/* CSS Değişkenleri - Koyu Tema Varsayılan */
:root {
    --background-color: #1A1A2E;
    /* Koyu, şık bir arka plan (Lacivertimsi) */
    --surface-color: #2C2C4A;
    /* Kartlar, navbar için daha yumuşak koyu ton (Koyu Menekşe) */
    --text-color: #E6E6FA;
    /* Açık metin (Lavanta mavisi) */
    --text-secondary-color: #B0C4DE;
    /* İkincil metin (Açık Çelik Mavisi) */
    --accent-color: #8A2BE2;
    /* Mor vurgu (Mavi Menekşe) */
    --accent-light: #9932CC;
    /* Açık mor vurgu (Koyu Orkide) */
    --card-background: rgba(44, 44, 74, 0.7);
    /* Hafif şeffaf kart arka planı */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --gradient-color: linear-gradient(135deg, #8A2BE2 0%, #4169E1 100%);
    /* Dinamik gradyan (Mavi Menekşe'den Kraliyet Mavisi'ne) */
    --project-overlay-bg: rgba(44, 44, 74, 0.9);
    /* Proje kartları overlay */
    --particle-color: rgba(255, 255, 255, 0.15);
    /* Yeni parçacık rengi */

    /* Tech Tag Renkleri - Koyu Tema */
    --tech-siemens-bg: rgba(138, 43, 226, 0.2);
    --tech-siemens-text: #B068F0;
    --tech-iot-bg: rgba(65, 105, 225, 0.2);
    --tech-iot-text: #6A9CF0;
    --tech-excel-bg: rgba(255, 140, 0, 0.2);
    --tech-excel-text: #FFBE6D;
    --tech-uzaktan-kontrol-bg: rgba(255, 69, 0, 0.2);
    --tech-uzaktan-kontrol-text: #FF6600;
    --tech-veri-analizi-bg: rgba(30, 144, 255, 0.2);
    --tech-veri-analizi-text: #1E90FF;
    --tech-python-bg: rgba(69, 140, 201, 0.2);
    --tech-python-text: #458CC9;
    --tech-arduino-bg: rgba(0, 150, 136, 0.2);
    --tech-arduino-text: #009688;
    --tech-canbus-bg: rgba(255, 99, 71, 0.2);
    --tech-canbus-text: #FF6347;
    --tech-html-css-bg: rgba(227, 79, 40, 0.2);
    --tech-html-css-text: #E34F26;
    --tech-php-bg: rgba(136, 147, 203, 0.2);
    --tech-php-text: #8893CB;
    --tech-scada-bg: rgba(138, 43, 226, 0.2);
    --tech-scada-text: #8A2BE2;
}

/* CSS Değişkenleri - Aydınlık Tema */
body.light-mode {
    --background-color: #F8F9FA;
    /* Çok daha açık arka plan (Hafif gri) */
    --surface-color: #FFFFFF;
    /* Beyaz kartlar ve navbar */
    --text-color: #343A40;
    /* Koyu metin (Koyu Gri) */
    --text-secondary-color: #6C757D;
    /* İkincil metin (Orta Gri) */
    --accent-color: #6A5ACD;
    /* Açık mor vurgu (Kayrak Mavi) */
    --accent-light: #8A7DDD;
    /* Açık mor vurgu (Açık Kayrak Mavi) */
    --card-background: rgba(255, 255, 255, 0.95);
    /* Şeffaf beyaz */
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-color: linear-gradient(135deg, #6A5ACD 0%, #4682B4 100%);
    /* Açık gradyan (Kayrak Mavi'den Çelik Mavi'ye) */
    --project-overlay-bg: rgba(255, 255, 255, 0.98);
    --particle-color: rgba(0, 0, 0, 0.08);
    /* Yeni parçacık rengi */

    /* Tech Tag Renkleri - Aydınlık Tema */
    --tech-siemens-bg: rgba(106, 90, 205, 0.1);
    --tech-siemens-text: #6A5ACD;
    --tech-iot-bg: rgba(70, 130, 180, 0.1);
    --tech-iot-text: #4682B4;
    --tech-excel-bg: rgba(255, 140, 0, 0.1);
    --tech-excel-text: #FF8C00;
    --tech-uzaktan-kontrol-bg: rgba(255, 69, 0, 0.1);
    --tech-uzaktan-kontrol-text: #E05200;
    --tech-veri-analizi-bg: rgba(30, 144, 255, 0.1);
    --tech-veri-analizi-text: #007BFF;
    --tech-python-bg: rgba(69, 140, 201, 0.1);
    --tech-python-text: #458CC9;
    --tech-arduino-bg: rgba(0, 150, 136, 0.1);
    --tech-arduino-text: #009688;
    --tech-canbus-bg: rgba(255, 99, 71, 0.1);
    --tech-canbus-text: #FF6347;
    --tech-html-css-bg: rgba(227, 79, 40, 0.1);
    --tech-html-css-text: #E34F26;
    --tech-php-bg: rgba(136, 147, 203, 0.1);
    --tech-php-text: #8893CB;
    --tech-scada-bg: rgba(138, 43, 226, 0.1);
    --tech-scada-text: #8A2BE2;
}

/* Temel Ayarlar - GPU Accelerated */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* GPU Accelerated Arka Plan */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image: radial-gradient(circle, var(--particle-color) 1px, transparent 1px);
    background-size: 30px 30px;
    will-change: transform;
    animation: background-move 80s linear infinite;
    transform: translateZ(0);
}

@keyframes background-move {
    from { background-position: 0 0; }
    to { background-position: 100% 100%; }
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Modern Butonlar - Ultra Professional */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #7f5af0 0%, #a855f7 100%);
    color: white;
    border-radius: 14px;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 8px 25px rgba(127, 90, 240, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
    text-decoration: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.6s ease;
    z-index: 2;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(127, 90, 240, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid #7f5af0;
    color: #7f5af0;
    box-shadow: none;
}

.btn-outline::before {
    display: none;
}

.btn-outline:hover {
    background: linear-gradient(135deg, #7f5af0 0%, #a855f7 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(127, 90, 240, 0.35);
}

body.light-mode .btn-outline {
    color: #7f5af0;
    border-color: #7f5af0;
}

body.light-mode .btn-outline:hover {
    color: white;
}

/* Bölümler */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}
body.light-mode .section:nth-child(even) {
    background: rgba(127, 90, 240, 0.03);
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 15px;
    text-align: center;
    position: relative;
    display: inline-block;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    width: 100%;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-color);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary-color);
    margin-bottom: 60px;
    margin-top: 30px;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Navbar - Premium Professional */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

body.light-mode nav {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(138, 43, 226, 0.1);
    box-shadow: 0 4px 30px rgba(138, 43, 226, 0.08);
}

nav.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

body.light-mode nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 40px rgba(138, 43, 226, 0.12);
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    cursor: pointer;
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary-color);
    padding: 10px 18px;
    border-radius: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-color);
    background: rgba(138, 43, 226, 0.1);
}

.nav-links a.active {
    color: var(--accent-color);
    background: rgba(138, 43, 226, 0.15);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 30%;
}

.theme-toggle-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    width: 45px;
    /* Kare buton için */
    height: 45px;
    /* Kare buton için */
    border-radius: 50%;
    /* Tam yuvarlak */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    margin-left: 30px;
    box-shadow: 0 2px 5px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.theme-toggle-btn i {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.theme-toggle-btn:hover {
    background-color: var(--accent-color);
    color: white;
    transform: scale(1.05);
    border-color: var(--accent-color);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 2rem;
    cursor: pointer;
}

/* Hero Bölümü - Ultra Professional */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #0a0a1a 0%, #1a1a2e 50%, #16213e 100%);
}

body.light-mode .hero {
    background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 50%, #eef1f8 100%);
}

/* Hero Background Animation */
.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(65, 105, 225, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 60% 80%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
    animation: bgPulse 8s ease-in-out infinite;
    z-index: 0;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}

/* Grid Overlay */
.hero-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(138, 43, 226, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(138, 43, 226, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}

/* Floating Shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #8A2BE2 0%, #4169E1 100%);
    top: -250px;
    left: -100px;
    animation: floatShape1 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #4169E1 0%, #00CED1 100%);
    bottom: -200px;
    right: -100px;
    animation: floatShape2 25s ease-in-out infinite;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #8A2BE2 0%, #FF6B6B 100%);
    top: 50%;
    left: 60%;
    animation: floatShape3 18s ease-in-out infinite;
}

@keyframes floatShape1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(50px, 30px) rotate(120deg); }
    66% { transform: translate(-30px, 50px) rotate(240deg); }
}

@keyframes floatShape2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-60px, -40px) rotate(180deg); }
}

@keyframes floatShape3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -50px) scale(1.1); }
}

.hero-content {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    padding: 0 20px;
}

/* Hero Badge - Professional */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(138, 43, 226, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(138, 43, 226, 0.2);
    padding: 12px 24px;
    border-radius: 100px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 35px;
    animation: slideDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #2cb67d;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-badge i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.hero-badge:hover i {
    transform: translateX(5px);
}

.animate-float {
    animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Hero Title - Premium Typography */
.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    animation: slideUp 0.8s ease-out 0.2s backwards;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, #8A2BE2 0%, #4169E1 50%, #00CED1 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.animated-gradient {
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Service Pills */
.hero-services {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
    animation: slideUp 0.8s ease-out 0.4s backwards;
}

.service-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary-color);
    transition: all 0.3s ease;
}

body.light-mode .service-pill {
    background: rgba(138, 43, 226, 0.05);
    border-color: rgba(138, 43, 226, 0.15);
}

.service-pill:hover {
    background: rgba(138, 43, 226, 0.15);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
}

.service-pill i {
    font-size: 0.85rem;
    color: var(--accent-color);
}

/* Hero Description */
.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary-color);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: slideUp 0.8s ease-out 0.5s backwards;
}

.highlight-text {
    color: var(--accent-color);
    font-weight: 600;
}

/* Hero Buttons - Premium */
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    animation: slideUp 0.8s ease-out 0.6s backwards;
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-glow:hover::before {
    left: 100%;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

.btn-magnetic {
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-magnetic:hover {
    transform: translateY(-5px) scale(1.02);
}

/* Trust Signals */
.trust-signals {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 50px;
    padding: 25px 40px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    animation: slideUp 0.8s ease-out 0.7s backwards;
}

body.light-mode .trust-signals {
    background: rgba(138, 43, 226, 0.03);
    border-color: rgba(138, 43, 226, 0.1);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.trust-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 8px 25px rgba(138, 43, 226, 0.3);
}

.trust-text {
    text-align: left;
}

.trust-text strong {
    display: block;
    font-size: 1rem;
    color: var(--text-color);
}

.trust-text span {
    font-size: 0.85rem;
    color: var(--text-secondary-color);
}

/* Hero Stats - Professional Cards */
.hero-stats-pro {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
    animation: slideUp 0.8s ease-out 0.8s backwards;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

body.light-mode .stat-card {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(138, 43, 226, 0.1);
    box-shadow: 0 10px 40px rgba(138, 43, 226, 0.08);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-color);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: rgba(138, 43, 226, 0.3);
    box-shadow: 0 20px 50px rgba(138, 43, 226, 0.2);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon-bg {
    width: 50px;
    height: 50px;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.3rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.stat-card:hover .stat-icon-bg {
    background: var(--gradient-color);
    color: white;
    transform: rotateY(180deg);
}

.stat-counter {
    font-size: 2.8rem;
    font-weight: 900;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1;
    display: inline-block;
    min-width: 50px;
    text-align: center;
}

.stat-value {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    margin-top: 8px;
    font-weight: 500;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 10;
    animation: fadeInUp 1s ease-out 1.2s backwards;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-secondary-color);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 4px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

.scroll-indicator span {
    font-size: 0.75rem;
    color: var(--text-secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Responsive Hero */
@media (max-width: 992px) {
    .hero-stats-pro {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-signals {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .trust-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-services {
        gap: 8px;
    }
    
    .service-pill {
        padding: 8px 15px;
        font-size: 0.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats-pro {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-counter {
        font-size: 2rem;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* Hakkımda Bölümü */
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: fadeIn 1s ease-out 0.5s backwards;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeIn 1s ease-out 0.7s backwards;
}

.btn-primary {
    background: var(--gradient-color);
    color: white;
    padding: 16px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(138, 43, 226, 0.5);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    animation: fadeIn 1s ease-out 0.9s backwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary-color);
    font-weight: 500;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes textGradientPulse {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(20deg);
    }
}

/* Hakkımda Bölümü */
.about-content {
    display: flex;
    /* Grid yerine flexbox ile daha esnek kontrol */
    flex-direction: column;
    /* Mobil için varsayılan sütun */
    gap: 40px;
    align-items: center;
    background: var(--card-background);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px var(--shadow-color);
    position: relative;
    opacity: 0;
    /* Animasyon için başlangıç durumu */
    transform: translateY(50px);
    /* Animasyon için başlangıç durumu */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.about-content.active {
    opacity: 1;
    transform: translateY(0);
}

.about-main {
    display: flex;
    align-items: center;
    gap: 60px;
    width: 100%;
}

.about-image {
    flex-shrink: 0;
    width: 280px;
    height: 280px;
    border-radius: 20px;
    overflow: hidden;
    border: 4px solid rgba(138, 43, 226, 0.3);
    box-shadow: 0 20px 50px rgba(138, 43, 226, 0.2);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(30px);
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.1), rgba(255, 107, 157, 0.1));
}

.about-content.active .about-image {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.1);
}

.about-text {
    flex-grow: 1;
    text-align: left;
    opacity: 0;
    /* İç eleman animasyonu */
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Animasyon geçişi */
}

.about-content.active .about-text {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
    /* Gecikme */
}


.about-text h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--accent-color);
    animation: textWave 2s infinite alternate;
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-secondary-color);
    font-size: 1.1rem;
    text-align: justify;
}

/* Yeni Hakkımda Animasyonları */
@keyframes pulseShadow {
    0% {
        box-shadow: 0 5px 15px var(--shadow-color);
    }

    100% {
        box-shadow: 0 5px 25px var(--accent-color);
    }
}

@keyframes textWave {

    0%,
    100% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(5px);
    }
}

/* Doğum Günü Animasyonu Kapsayıcısı */
.birthday-text {
    position: relative;
    display: inline-block;
    cursor: pointer;
    z-index: 5;
}

.birthday-animation-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: transparent;
    /* Ekran kararması kaldırıldı */
    backdrop-filter: none;
    /* Blur kaldırıldı */
    -webkit-backdrop-filter: none;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    z-index: 1150;
    overflow: hidden;
}

.birthday-animation-container.active {
    opacity: 1;
    visibility: visible;
}

.birthday-animation-container .cake-emoji {
    font-size: 8em;
    position: absolute;
    /* Havai fişekler arkasında kalsın */
    animation: bounceIn 1.5s ease-out forwards;
    z-index: 1;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    cursor: pointer;
    /* Tıklanabilir olması için */
    pointer-events: all;
    /* Tıklama olaylarını yakalamak için */
}

/* Cake Snuffing CSS */
.cake-emoji.snuffed {
    animation: snuff-out 0.5s ease-out forwards;
    filter: blur(5px);
}

@keyframes snuff-out {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        filter: blur(0);
    }

    100% {
        transform: translate(-50%, -50%) scale(0.1);
        opacity: 0;
        filter: blur(5px);
    }
}

/* Firework parçacıklarını daha belirgin hale getir */
.firework-particle {
    position: absolute;
    width: 12px;
    /* Daha da büyük parçacıklar */
    height: 12px;
    border-radius: 50%;
    opacity: 0;
    animation: particle-burst 2s ease-out forwards, particle-fade 3s linear 1.2s forwards;
    /* Süreler uzatıldı */
    background-color: currentColor;
    /* Ana firework'un rengini alsın */
    transform-origin: center;
}

/* New Firework Launcher CSS */
.firework-launcher {
    position: absolute;
    bottom: 0;
    /* Starts from bottom of screen */
    width: 8px;
    /* Daha belirgin */
    height: 120px;
    /* Başlangıç yüksekliği */
    background: linear-gradient(to top, rgba(255, 255, 255, 0), white);
    opacity: 0;
    animation: launch-up 0.9s ease-out forwards;
    /* Daha yavaş fırlatma */
    transform-origin: bottom;
    pointer-events: none;
    z-index: 0;
}

@keyframes launch-up {
    0% {
        transform: translateY(0) scaleY(0.1);
        opacity: 0;
    }

    30% {
        transform: translateY(calc(-100vh + var(--targetY))) scaleY(1);
        opacity: 1;
    }

    /* Hedef Y'ye göre yukarı fırlat */
    100% {
        transform: translateY(calc(-100vh + var(--targetY) - 50px)) scaleY(0);
        opacity: 0;
    }

    /* Hedefin biraz üstünde kaybol */
}

/* Firework animasyonları */
@keyframes firework-trail {
    0% {
        transform: scale(0.1);
        opacity: 1;
    }

    50% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(0.1);
        opacity: 0;
    }
}

@keyframes firework-fade {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@keyframes particle-burst {
    0% {
        transform: translate(0, 0) scale(0.5);
        opacity: 1;
    }

    100% {
        transform: translate(var(--particleX), var(--particleY)) scale(0);
        opacity: 0;
    }
}

@keyframes particle-fade {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

/* Yetkinlikler Bölümü */
/* Skills Section - Professional */
.skills-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.skills-grid {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.skills-grid.active {
    opacity: 1;
    transform: translateY(0);
}

.skill-card {
    background: var(--card-bg-color, rgba(30, 30, 40, 0.8));
    border-radius: 24px;
    padding: 40px 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

body.light-mode .skill-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(127, 90, 240, 0.1);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-color);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    transform-origin: left;
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.03) 0%, rgba(0, 212, 255, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.skill-card:hover::after {
    opacity: 1;
}

.skill-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(127, 90, 240, 0.15);
    border-color: rgba(127, 90, 240, 0.3);
}

body.light-mode .skill-card:hover {
    box-shadow: 0 25px 50px rgba(127, 90, 240, 0.12);
}

.skill-card i {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.15) 0%, rgba(0, 212, 255, 0.15) 100%);
    border-radius: 20px;
    color: #7f5af0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-card:hover i {
    background: linear-gradient(135deg, #7f5af0 0%, #00d4ff 100%);
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 30px rgba(127, 90, 240, 0.3);
}

.skill-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.skill-card p {
    color: var(--text-secondary-color);
    font-size: 0.95rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Projeler Bölümü - Yeniden Tasarım */
.projects-grid-container {
    /* Proje kartları için yeni kapsayıcı */
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
    perspective: 1000px;
}

.projects-grid {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.projects-grid.active {
    opacity: 1;
    transform: translateY(0);
}

.project-card {
    background: var(--card-bg-color, rgba(30, 30, 40, 0.9));
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    position: relative;
}

body.light-mode .project-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(127, 90, 240, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-color);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    z-index: 10;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(127, 90, 240, 0.15);
    border-color: rgba(127, 90, 240, 0.2);
}

body.light-mode .project-card:hover {
    box-shadow: 0 25px 60px rgba(127, 90, 240, 0.12);
}

.project-image-container {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover .project-image-container img {
    transform: scale(1.08);
}

.project-info {
    padding: 28px;
    position: relative;
    z-index: 2;
    background: inherit;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
}

.project-description {
    color: var(--text-secondary-color);
    margin-bottom: 20px;
    height: 65px;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tech-tag {
    padding: 6px 12px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    /* Default visible border */
    background: rgba(255, 255, 255, 0.03);
    /* Default subtle background */
}

/* Proje Kartları İçin Özel Tech Tag Renkleri */
.tech-tag.siemens {
    background-color: var(--tech-siemens-bg);
    color: var(--tech-siemens-text);
    border-color: var(--tech-siemens-text);
}

.tech-tag.iot {
    background-color: var(--tech-iot-bg);
    color: var(--tech-iot-text);
    border-color: var(--tech-iot-text);
}

.tech-tag.excel {
    background-color: var(--tech-excel-bg);
    color: var(--tech-excel-text);
    border-color: var(--tech-excel-text);
}

.tech-tag.python {
    background-color: var(--tech-python-bg);
    color: var(--tech-python-text);
    border-color: var(--tech-python-text);
}

.tech-tag.arduino {
    background-color: var(--tech-arduino-bg);
    color: var(--tech-arduino-text);
    border-color: var(--tech-arduino-text);
}

.tech-tag.canbus {
    background-color: var(--tech-canbus-bg);
    color: var(--tech-canbus-text);
    border-color: var(--tech-canbus-text);
}

.tech-tag.html-css {
    background-color: var(--tech-html-css-bg);
    color: var(--tech-html-css-text);
    border-color: var(--tech-html-css-text);
}

.tech-tag.php {
    background-color: var(--tech-php-bg);
    color: var(--tech-php-text);
    border-color: var(--tech-php-text);
}

.tech-tag.scada {
    background-color: var(--tech-scada-bg);
    color: var(--tech-scada-text);
    border-color: var(--tech-scada-text);
}

/* Yeni Tech Tag Renkleri */
.tech-tag.uzaktan-kontrol {
    background-color: var(--tech-uzaktan-kontrol-bg);
    color: var(--tech-uzaktan-kontrol-text);
    border-color: var(--tech-uzaktan-kontrol-text);
}

.tech-tag.veri-analizi {
    background-color: var(--tech-veri-analizi-bg);
    color: var(--tech-veri-analizi-text);
    border-color: var(--tech-veri-analizi-text);
}

/* Missing Specific Tags */
.tech-tag.excel-vba {
    background-color: var(--tech-excel-bg);
    color: var(--tech-excel-text);
    border-color: var(--tech-excel-text);
}

.tech-tag.raporlama {
    background-color: rgba(44, 182, 125, 0.15);
    color: #2cb67d;
    border-color: #2cb67d;
}

.tech-tag.siemens-s7 {
    background-color: var(--tech-siemens-bg);
    color: var(--tech-siemens-text);
    border-color: var(--tech-siemens-text);
}

.tech-tag.plc {
    background-color: rgba(255, 140, 0, 0.15);
    color: #ff8c00;
    border-color: #ff8c00;
}

.tech-tag.scada-sistemleri {
    background-color: var(--tech-scada-bg);
    color: var(--tech-scada-text);
    border-color: var(--tech-scada-text);
}

/* Yeni Eklenen Tech Tag Renkleri */
.tech-tag.mysql {
    background-color: rgba(0, 117, 143, 0.15);
    color: #00758F;
    border-color: #00758F;
}

.tech-tag.html5 {
    background-color: rgba(227, 79, 40, 0.15);
    color: #E34F26;
    border-color: #E34F26;
}

.tech-tag.css3 {
    background-color: rgba(38, 77, 228, 0.15);
    color: #264DE4;
    border-color: #264DE4;
}

.tech-tag.javascript {
    background-color: rgba(247, 223, 30, 0.2);
    color: #C9A800;
    border-color: #F7DF1E;
}

.tech-tag.vba {
    background-color: rgba(134, 82, 127, 0.15);
    color: #86527F;
    border-color: #86527F;
}

.tech-tag.power-query {
    background-color: rgba(55, 140, 79, 0.15);
    color: #378C4F;
    border-color: #378C4F;
}

.tech-tag.sql-server {
    background-color: rgba(204, 41, 54, 0.15);
    color: #CC2936;
    border-color: #CC2936;
}

.tech-tag.siemens-tia-portal,
.tech-tag.tia-portal {
    background-color: rgba(0, 156, 149, 0.15);
    color: #009C95;
    border-color: #009C95;
}

.tech-tag.wincc {
    background-color: rgba(0, 156, 149, 0.15);
    color: #009C95;
    border-color: #009C95;
}

.tech-tag.s7-1200 {
    background-color: rgba(0, 156, 149, 0.15);
    color: #009C95;
    border-color: #009C95;
}

.tech-tag.profinet {
    background-color: rgba(0, 119, 182, 0.15);
    color: #0077B6;
    border-color: #0077B6;
}

.tech-tag.sql {
    background-color: rgba(0, 117, 143, 0.15);
    color: #00758F;
    border-color: #00758F;
}

.tech-tag.api {
    background-color: rgba(255, 87, 51, 0.15);
    color: #FF5733;
    border-color: #FF5733;
}

.tech-tag.json {
    background-color: rgba(41, 128, 185, 0.15);
    color: #2980B9;
    border-color: #2980B9;
}

.tech-tag.rest-api {
    background-color: rgba(46, 204, 113, 0.15);
    color: #27AE60;
    border-color: #27AE60;
}

.project-links {
    display: flex;
    justify-content: center;
    /* Butonu ortala */
    gap: 15px;
    margin-top: 20px;
}

/* İletişim Bölümü */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--card-background);
    border-radius: 12px;
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px var(--shadow-color);
    opacity: 0;
    /* Animasyon için başlangıç durumu */
    transform: translateY(50px);
    /* Animasyon için başlangıç durumu */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.contact-content.active {
    opacity: 1;
    transform: translateY(0);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    opacity: 0;
    /* Animasyon için başlangıç durumu */
    transform: translateX(-30px);
    /* Soldan sağa animasyon */
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition-delay: var(--delay);
    /* Gecikme değişkeni */
}

.contact-content.active .contact-info-item {
    opacity: 1;
    transform: translateX(0);
}

.contact-info-item i {
    font-size: 2rem;
    color: var(--accent-color);
}

.contact-info-item p,
.contact-info-item a {
    color: var(--text-color);
    font-size: 1.1rem;
}

.contact-info-item a:hover {
    color: var(--accent-light);
}

.contact-form {
    opacity: 0;
    /* Animasyon için başlangıç durumu */
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition-delay: 0.4s;
    /* Gecikme */
}

.contact-content.active .contact-form {
    opacity: 1;
    transform: translateY(0);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 15px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-secondary-color);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(127, 90, 240, 0.2);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer - Professional */
.footer-pro {
    background: linear-gradient(180deg, var(--surface-color) 0%, rgba(20, 20, 30, 1) 100%);
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(127, 90, 240, 0.1);
}

body.light-mode .footer-pro {
    background: linear-gradient(180deg, #f8f9fa 0%, #eef0f5 100%);
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200px;
    background: radial-gradient(ellipse, rgba(127, 90, 240, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.light-mode .footer-content {
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 15px;
}

.footer-tagline {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.footer-desc {
    color: var(--text-secondary-color);
    font-size: 0.82rem;
    line-height: 1.6;
    margin-top: 6px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4,
.footer-social h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    color: var(--text-secondary-color);
    font-size: 0.95rem;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-col a:hover {
    color: #7f5af0;
    transform: translateX(5px);
}

.footer-social .social-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 0;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-icons a {
    color: var(--text-secondary-color);
    font-size: 1.3rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(127, 90, 240, 0.08);
    border: 1px solid rgba(127, 90, 240, 0.15);
}

body.light-mode .social-icons a {
    background: rgba(127, 90, 240, 0.08);
    border: 1px solid rgba(127, 90, 240, 0.15);
}

.social-icons a:hover {
    color: white;
    transform: translateY(-5px);
    border-color: transparent;
}

.social-icons a[aria-label="GitHub"]:hover {
    background: #181717;
    box-shadow: 0 10px 25px rgba(24, 23, 23, 0.35);
}

.social-icons a[aria-label="LinkedIn"]:hover {
    background: #0A66C2;
    box-shadow: 0 10px 25px rgba(10, 102, 194, 0.35);
}

.social-icons a[aria-label="Twitter/X"]:hover {
    background: #000000;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.social-icons a[aria-label="Instagram"]:hover {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
    box-shadow: 0 10px 25px rgba(214, 36, 159, 0.35);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    color: var(--text-secondary-color);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-legal a {
    color: var(--text-secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #7f5af0;
}

.footer-legal span {
    opacity: 0.5;
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-links {
        justify-content: center;
        gap: 60px;
    }
    
    .footer-social .social-icons {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Mesaj Kutusu */
.message-box-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease, bottom 0.5s ease;
}

.message-box-container.show {
    opacity: 1;
    visibility: visible;
    bottom: 50px;
}

.message-box {
    background-color: #28a745;
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.message-box .icon {
    font-size: 1.2rem;
}

/* Yeni Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes textGradientPulse {
    0% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.2);
    }

    100% {
        filter: brightness(1);
    }
}

@keyframes iconPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* On-Scroll Animasyonlar */
/* Bu kısım artık about-content ve contact-content için daha spesifik olarak ele alındı */
/* .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .animate-on-scroll.active {
            opacity: 1;
            transform: translateY(0);
        } */

/* Scroll-to-Top Butonu - Professional */
#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 95px;
    right: 35px;
    z-index: 99;
    border: none;
    outline: none;
    background: linear-gradient(135deg, #7f5af0 0%, #a855f7 100%);
    color: white;
    cursor: pointer;
    padding: 16px;
    border-radius: 16px;
    font-size: 1.1rem;
    box-shadow: 0 8px 25px rgba(127, 90, 240, 0.35);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.9;
}

#scrollToTopBtn:hover {
    opacity: 1;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(127, 90, 240, 0.45);
}

/* Proje Detay Pop-up */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--surface-color);
    color: var(--text-color);
    padding: 30px;
    border-radius: 12px;
    max-width: 800px;
    width: 90%;
    box-shadow: 0 10px 30px var(--shadow-color);
    position: relative;
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-height: 90vh;
    /* Ekran yüksekliğinin %90'ı */
    overflow-y: auto;
    /* İçerik taşarsa kaydırma çubuğu */
}

/* Scrollbar styles for modal-content */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--surface-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-light);
}


.modal-overlay.active .modal-content {
    transform: scale(1);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-secondary-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.modal-description {
    font-size: 1rem;
    color: var(--text-secondary-color);
    margin-bottom: 20px;
}

.modal-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.modal-links .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .navbar-content {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: 15px;
        padding-top: 20px;
        background: var(--surface-color);
        position: absolute;
        top: 100%;
        left: 0;
        border-top: 1px solid var(--border-color);
        box-shadow: 0 10px 20px var(--shadow-color);
    }

    .nav-links.active {
        display: flex;
    }

    /* Mobil menü içinde tema butonu */
    .nav-links li:last-child {
        /* Son liste öğesini hedefle (tema butonu) */
        width: 100%;
        display: flex;
        justify-content: center;
        padding-top: 10px;
    }

    .theme-toggle-btn {
        margin-left: 0;
        width: 45px;
        /* Mobil menüde de kare kalacak */
        height: 45px;
        padding: 0;
        /* İç dolguyu sıfırla */
        font-size: 1.2rem;
        /* Boyutu koru */
    }

    .theme-toggle-btn span {
        display: none;
        /* Mobil menüde metni gizle */
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 3.8rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        padding: 30px;
        flex-direction: column;
        /* Mobil cihazlarda sütun düzeni */
    }

    .about-main {
        flex-direction: column;
        /* Mobil cihazlarda sütun düzeni */
        gap: 30px;
    }

    .about-image {
        margin-bottom: 20px;
    }

    .about-text {
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .about-image img {
        max-width: 200px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.8rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        /* Mobil cihazlarda daha geniş */
        padding: 20px;
    }

    .modal-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    .skill-card {
        padding: 20px;
    }

    .project-info {
        padding: 20px;
    }

    #scrollToTopBtn {
        padding: 12px;
        font-size: 1rem;
        bottom: 20px;
        right: 20px;
    }
}

/* =========================================
       Premium Services / Pricing Styles - Ultra Pro
       ========================================= */
.services-page .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.services-page .section-header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 20px;
}

.services-page .section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Why Choose Us Section */
.why-choose-us {
    margin-bottom: 80px;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
    border-radius: 30px;
    border: 1px solid rgba(127, 90, 240, 0.1);
}

body.light-mode .why-choose-us {
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.08) 0%, rgba(0, 212, 255, 0.08) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--card-bg-color, rgba(30, 30, 40, 0.6));
    padding: 35px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

body.light-mode .feature-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(127, 90, 240, 0.1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-color);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(127, 90, 240, 0.15);
    border-color: rgba(127, 90, 240, 0.3);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.15) 0%, rgba(0, 212, 255, 0.15) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #7f5af0;
    transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #7f5af0 0%, #00d4ff 100%);
    color: white;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-secondary-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.pricing-card {
    background: var(--card-bg-color, rgba(30, 30, 40, 0.95));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
    padding: 50px 35px 40px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: visible;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.03) 0%, rgba(0, 212, 255, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(127, 90, 240, 0.2);
    border-color: rgba(127, 90, 240, 0.3);
}

/* Light Mode Force */
body.light-mode .pricing-card {
    background: #ffffff !important;
    border: 1px solid rgba(127, 90, 240, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06) !important;
}

body.light-mode .pricing-card:hover {
    box-shadow: 0 30px 60px rgba(127, 90, 240, 0.15) !important;
}

.pricing-card.popular {
    border: 2px solid #7f5af0 !important;
    transform: scale(1.03);
    z-index: 10;
    background: linear-gradient(180deg, rgba(127, 90, 240, 0.08) 0%, transparent 30%), var(--card-bg-color, rgba(30, 30, 40, 0.95)) !important;
}

body.light-mode .pricing-card.popular {
    background: linear-gradient(180deg, rgba(127, 90, 240, 0.1) 0%, transparent 30%), #ffffff !important;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

/* THE BADGE - Premium Style */
.popular-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #7f5af0 0%, #a855f7 100%) !important;
    color: #ffffff !important;
    padding: 10px 35px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
    box-shadow: 0 8px 25px rgba(127, 90, 240, 0.5);
    z-index: 100;
    border: none !important;
    animation: badge-glow 2s ease-in-out infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 8px 25px rgba(127, 90, 240, 0.5); }
    50% { box-shadow: 0 8px 35px rgba(127, 90, 240, 0.7); }
}

.pricing-icon-wrapper {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.15) 0%, rgba(0, 212, 255, 0.15) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #7f5af0;
    font-size: 2.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.pricing-card:hover .pricing-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #7f5af0 0%, #00d4ff 100%);
    color: white;
    box-shadow: 0 15px 30px rgba(127, 90, 240, 0.3);
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-color);
}

.pricing-price {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 8px;
    line-height: 1;
}

.pricing-price .currency {
    font-size: 1.8rem;
    color: #7f5af0;
    margin-right: 4px;
    vertical-align: top;
    line-height: 1.5;
}

.pricing-desc {
    color: var(--text-secondary-color);
    margin-bottom: 25px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(127, 90, 240, 0.3) 50%, transparent 100%);
    width: 100%;
    margin-bottom: 25px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 14px;
    color: var(--text-color);
    display: flex;
    align-items: flex-start;
    font-size: 0.95rem;
    line-height: 1.5;
}

.pricing-features li i {
    color: #2cb67d;
    margin-right: 12px;
    margin-top: 4px;
    font-size: 0.85rem;
}

/* Button Styles - Premium */
a.btn-pricing {
    display: block;
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #7f5af0 0%, #a855f7 100%) !important;
    color: #ffffff !important;
    text-align: center;
    border-radius: 14px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(127, 90, 240, 0.25);
    margin-bottom: 12px;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

a.btn-pricing::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

a.btn-pricing:hover::before {
    left: 100%;
}

a.btn-pricing:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(127, 90, 240, 0.4);
}

a.btn-pricing.outline {
    background: transparent !important;
    border: 2px solid #7f5af0 !important;
    color: #7f5af0 !important;
    box-shadow: none;
}

a.btn-pricing.outline::before {
    display: none;
}

/* Force Light Mode Compatibility */
body.light-mode a.btn-pricing.outline {
    color: #7f5af0 !important;
    background-color: transparent !important;
}

a.btn-pricing.outline:hover {
    background-color: #7f5af0 !important;
    color: #ffffff !important;
    border-color: #7f5af0 !important;
}

.btn-whatsapp {
    display: block;
    width: 100%;
    padding: 12px;
    text-align: center;
    color: #25D366 !important;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid rgba(37, 211, 102, 0.3);
    background: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    z-index: 10;
}

.btn-whatsapp:hover {
    background: #25D366 !important;
    color: #ffffff !important;
    border-color: #25D366;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

@media (max-width: 768px) {
    .pricing-card.popular {
        transform: scale(1);
    }
}

/* =========================================
       Why Choose Us / Features Section
       ========================================= */
.why-choose-us {
    margin: 60px 0 80px;
    padding: 60px 40px;
    background: var(--card-background);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--surface-color);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.3);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 700;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary-color);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .why-choose-us {
        padding: 40px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* =========================================
       About Page - Premium Styles
       ========================================= */
.about-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--background-color) 0%, var(--surface-color) 100%);
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.08) 0%, transparent 70%);
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.about-hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-hero-content {
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.about-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(138, 43, 226, 0.15);
    border: 1px solid rgba(138, 43, 226, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
}

.about-hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 15px;
    line-height: 1.1;
}

.about-hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary-color);
    margin-bottom: 40px;
}

.about-hero-stats {
    display: flex;
    gap: 40px;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-color);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary-color);
    display: block;
    margin-top: 5px;
}

.about-hero-image {
    position: relative;
    animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.about-hero-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(138, 43, 226, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    z-index: 1;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

/* Story Timeline */
.story-section {
    background: var(--surface-color);
}

.story-timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto 0;
    padding-left: 50px;
}

.story-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-color);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

.timeline-icon {
    position: absolute;
    left: -50px;
    width: 44px;
    height: 44px;
    background: var(--gradient-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(138, 43, 226, 0.4);
}

.timeline-content {
    background: var(--card-background);
    padding: 25px 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.timeline-date {
    display: inline-block;
    background: rgba(138, 43, 226, 0.15);
    color: var(--accent-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.timeline-content p {
    color: var(--text-secondary-color);
    line-height: 1.7;
}

/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.expertise-card {
    background: var(--card-background);
    padding: 35px 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.expertise-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 50px var(--shadow-color);
    border-color: var(--accent-color);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-color);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 25px rgba(138, 43, 226, 0.3);
    transition: transform 0.3s ease;
}

.expertise-card:hover .expertise-icon {
    transform: rotateY(180deg);
}

.expertise-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.expertise-card p {
    color: var(--text-secondary-color);
    margin-bottom: 20px;
    line-height: 1.7;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.expertise-tags span {
    background: rgba(138, 43, 226, 0.15);
    color: var(--accent-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Values Section */
.values-section {
    background: var(--surface-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.value-card {
    background: var(--card-background);
    padding: 35px 25px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.value-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.value-card p {
    color: var(--text-secondary-color);
    font-size: 0.95rem;
}

/* About CTA */
.about-cta {
    padding: 100px 0;
    text-align: center;
    background: var(--gradient-color);
    position: relative;
    overflow: hidden;
}

.about-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.about-cta h2 {
    font-size: 3rem;
    color: white;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.about-cta p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    position: relative;
    z-index: 2;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.about-cta .btn-primary {
    background: white;
    color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-cta .btn-outline {
    border: 2px solid white !important;
    color: white !important;
    background: rgba(255,255,255,0.15) !important;
}

.about-cta .btn-outline:hover {
    background: white !important;
    color: #7F5AF0 !important;
    border-color: white !important;
}

.about-cta h2 .gradient-text {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    color: rgba(255,255,255,0.92);
    font-style: italic;
}

/* Responsive About Page */
@media (max-width: 992px) {
    .about-hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-hero-stats {
        justify-content: center;
    }
    
    .about-hero-image {
        order: -1;
    }
    
    .about-hero-image img {
        max-width: 300px;
    }
    
    .about-hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 2.5rem;
    }
    
    .about-hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .story-timeline {
        padding-left: 40px;
    }
    
    .timeline-icon {
        left: -40px;
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-cta h2 {
        font-size: 2rem;
    }
}

/* =========================================
       Index Page - About Intro Section (Pro)
       ========================================= */
.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: center;
}

.about-intro-image {
    position: relative;
}

.about-intro-image img {
    width: 100%;
    max-width: 420px;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(127, 90, 240, 0.15);
    position: relative;
    z-index: 2;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-intro-image:hover img {
    transform: scale(1.02) rotate(1deg);
    box-shadow: 0 40px 80px rgba(127, 90, 240, 0.2);
}

.image-decoration {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 100%;
    height: 100%;
    max-width: 420px;
    background: var(--gradient-color);
    border-radius: 24px;
    z-index: 1;
    opacity: 0.3;
    transition: all 0.5s ease;
}

.about-intro-image:hover .image-decoration {
    transform: translate(-5px, -5px);
    opacity: 0.5;
}

.about-intro-content {
    padding: 20px 0;
}

.intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.12) 0%, rgba(0, 212, 255, 0.12) 100%);
    border: 1px solid rgba(127, 90, 240, 0.25);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #7f5af0;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.intro-badge:hover {
    background: linear-gradient(135deg, rgba(127, 90, 240, 0.2) 0%, rgba(0, 212, 255, 0.2) 100%);
    transform: translateY(-2px);
}

.about-intro-content h2 {
    font-size: 2.8rem;
    margin-bottom: 25px;
    line-height: 1.2;
    font-weight: 800;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--text-secondary-color);
    line-height: 1.9;
    margin-bottom: 35px;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 35px;
}

.intro-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-color);
    font-weight: 500;
    padding: 12px 16px;
    background: rgba(127, 90, 240, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.intro-feature:hover {
    background: rgba(127, 90, 240, 0.1);
    border-color: rgba(127, 90, 240, 0.2);
    transform: translateX(5px);
}

.intro-feature i {
    color: #2cb67d;
    font-size: 1.1rem;
}

body.light-mode .intro-feature {
    background: rgba(127, 90, 240, 0.06);
}

body.light-mode .intro-feature:hover {
    background: rgba(127, 90, 240, 0.12);
}

@media (max-width: 992px) {
    .about-intro-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-intro-image {
        display: flex;
        justify-content: center;
    }
    
    .about-intro-image img {
        max-width: 300px;
    }
    
    .image-decoration {
        max-width: 300px;
    }
    
    .intro-features {
        justify-content: center;
    }
    
    .about-intro-content h2 {
        font-size: 2.2rem;
    }
}

/* =========================================
       Contact Page - Premium Styles
       ========================================= */
.contact-hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--background-color) 0%, var(--surface-color) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(138, 43, 226, 0.1) 0%, transparent 50%);
}

.contact-hero-content {
    position: relative;
    z-index: 2;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(138, 43, 226, 0.15);
    border: 1px solid rgba(138, 43, 226, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.contact-hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 15px;
}

.contact-hero p {
    font-size: 1.2rem;
    color: var(--text-secondary-color);
    max-width: 600px;
    margin: 0 auto;
}

.contact-section {
    padding: 80px 0 100px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact-info-box,
.contact-form-box {
    background: var(--card-background);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px var(--shadow-color);
}

.contact-info-box h3,
.contact-form-box h3 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.contact-info-box > p,
.contact-form-box > p {
    color: var(--text-secondary-color);
    margin-bottom: 30px;
}

.contact-cards {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 20px;
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateX(8px);
    border-color: var(--accent-color);
    box-shadow: 0 5px 20px var(--shadow-color);
}

.contact-card-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-card-content h4 {
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    margin-bottom: 4px;
    font-weight: 500;
}

.contact-card-content a,
.contact-card-content span {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
}

.contact-card-content a:hover {
    color: var(--accent-color);
}

.contact-social h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
}

/* Modern Contact Form */
.modern-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.modern-contact-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.modern-contact-form .form-group.full-width {
    grid-column: 1 / -1;
}

.modern-contact-form label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modern-contact-form label i {
    color: var(--accent-color);
    font-size: 0.85rem;
}

.modern-contact-form input,
.modern-contact-form textarea {
    padding: 14px 18px;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-color);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.modern-contact-form input:focus,
.modern-contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(138, 43, 226, 0.1);
}

.modern-contact-form input::placeholder,
.modern-contact-form textarea::placeholder {
    color: var(--text-secondary-color);
    opacity: 0.7;
}

.btn-submit {
    margin-top: 10px;
    padding: 16px 30px;
    font-size: 1.05rem;
    width: 100%;
    justify-content: center;
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-info-box,
    .contact-form-box {
        padding: 25px;
    }
}

/* =====================================================
   DİL SEÇİCİ (Language Switcher)
   ===================================================== */

/* Navbar içindeki dil öğesi */
.lang-nav-item {
    position: relative;
}

/* Dil Dropdown */
.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid rgba(138, 43, 226, 0.3);
    border-radius: 10px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-dropdown-toggle:hover {
    background: rgba(138, 43, 226, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.lang-dropdown-toggle .flag {
    font-size: 1.2rem;
    line-height: 1;
}

.lang-dropdown-toggle .name {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.lang-dropdown-toggle i {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.lang-dropdown:hover .lang-dropdown-toggle i {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 150px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.lang-dropdown:hover .lang-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown-menu li {
    padding: 0;
}

.lang-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.lang-dropdown-menu a:hover {
    background: rgba(138, 43, 226, 0.15);
    color: var(--accent-light);
}

.lang-dropdown-menu a .flag {
    font-size: 1.3rem;
}

.lang-dropdown-menu a .name {
    font-weight: 500;
}

/* Dil Seçici - Basit versiyon */
.lang-selector {
    display: flex;
    gap: 5px;
    align-items: center;
}

.lang-selector .lang-option {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--text-secondary-color);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-selector .lang-option:hover {
    background: rgba(138, 43, 226, 0.1);
    color: var(--text-color);
}

.lang-selector .lang-option.active {
    background: var(--accent-color);
    color: #fff;
}

.lang-selector .lang-option .flag {
    font-size: 1.1rem;
}

/* Mobil için dil seçici */
@media (max-width: 992px) {
    .lang-dropdown-toggle {
        padding: 10px 16px;
        width: 100%;
        justify-content: center;
    }
    
    .lang-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(138, 43, 226, 0.05);
        margin-top: 8px;
        border-radius: 10px;
    }
    
    .lang-nav-item {
        width: 100%;
        text-align: center;
        margin: 10px 0;
    }
}

/* =====================================================
   GELIŞMIŞ RESPONSIVE TASARIM
   ===================================================== */

/* Extra Large Screens (1400px+) */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* Large Tablets & Small Desktops (992px - 1199px) */
@media (max-width: 1199px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablets (768px - 991px) */
@media (max-width: 991px) {
    html {
        font-size: 15px;
    }
    
    .navbar {
        padding: 15px 0;
    }
    
    .navbar-collapse {
        background: var(--surface-color);
        padding: 20px;
        border-radius: 15px;
        margin-top: 15px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    }
    
    .nav-link {
        padding: 12px 15px !important;
        text-align: center;
        border-radius: 10px;
        margin: 5px 0;
    }
    
    .nav-link:hover {
        background: rgba(138, 43, 226, 0.1);
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.8rem;
        line-height: 1.2;
    }
    
    .hero-stats-pro {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

/* Mobile Devices (576px - 767px) */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .hero-services {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }
    
    .service-pill {
        padding: 8px 14px;
        font-size: 0.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 0 20px;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 14px 25px;
        font-size: 1rem;
    }
    
    .hero-stats-pro {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 10px;
    }
    
    .stat-card {
        padding: 20px 12px;
        border-radius: 15px;
    }
    
    .stat-counter {
        font-size: 1.8rem;
    }
    
    .stat-plus {
        font-size: 1.1rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .stat-icon-bg {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .trust-signals {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card,
    .project-card {
        padding: 25px 20px;
    }
    
    .about-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .about-image {
        max-width: 280px;
        margin: 0 auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-icon {
        left: 0;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-links,
    .footer-social {
        justify-content: center;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* Small Mobile Devices (max-width: 575px) */
@media (max-width: 575px) {
    html {
        font-size: 13px;
    }
    
    .hero-title {
        font-size: 1.9rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-stats-pro {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .stat-card {
        padding: 15px 10px;
    }
    
    .stat-counter {
        font-size: 1.6rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .form-control {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
}

/* Extra Small Devices (max-width: 400px) */
@media (max-width: 400px) {
    .hero-title {
        font-size: 1.7rem;
    }
    
    .hero-stats-pro {
        grid-template-columns: 1fr;
        max-width: 200px;
        margin: 0 auto;
    }
    
    .stat-card {
        padding: 20px 15px;
    }
    
    .stat-counter {
        font-size: 2rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
}

/* Landscape Mode for Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 80px 0 40px;
    }
    
    .hero-stats-pro {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
    }
    
    .stat-card {
        padding: 15px 10px;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-indicator,
    .hero-buttons,
    .footer {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section {
        padding: 20px 0;
        page-break-inside: avoid;
    }
}

/* =====================================================
   FLOATING WHATSAPP BUTTON
   ===================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 35px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
    z-index: 98;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.9;
}

.whatsapp-float:hover {
    opacity: 1;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.45);
    color: white;
}

.whatsapp-float:active {
    transform: scale(0.95);
}

.whatsapp-float i {
    transition: transform 0.3s ease;
}

.whatsapp-float:hover i {
    transform: scale(1.1);
}

.whatsapp-tooltip {
    position: absolute;
    right: 65px;
    background: #333;
    color: white;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #333;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 70px;
}

/* Mobile */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        border-radius: 14px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}
/* ============================================
   YES Studio — Yeni Eklemeler
   ============================================ */

/* Hero WhatsApp Butonu */
.btn-whatsapp-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: #25D366;
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s;
    border: 2px solid transparent;
}
.btn-whatsapp-hero:hover {
    background: transparent;
    border-color: #25D366;
    color: #25D366;
    transform: translateY(-2px);
}

/* Hazır Ürünler Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (max-width: 768px) {
    .products-grid { grid-template-columns: 1fr; }
}

.product-card {
    background: var(--card-bg-color, rgba(30, 30, 40, 0.95));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 32px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(127, 90, 240, 0.4);
    box-shadow: 0 24px 60px rgba(127, 90, 240, 0.22);
}
body.light-mode .product-card {
    background: #ffffff !important;
    border: 1px solid rgba(127, 90, 240, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06) !important;
}
body.light-mode .product-card:hover {
    box-shadow: 0 24px 60px rgba(127, 90, 240, 0.15) !important;
    border-color: rgba(127, 90, 240, 0.3) !important;
}
.product-card-featured {
    border: 2px solid rgba(127, 90, 240, 0.5) !important;
    background: linear-gradient(160deg, rgba(127,90,240,0.1) 0%, rgba(30,30,40,0.95) 40%) !important;
}
body.light-mode .product-card-featured {
    background: linear-gradient(160deg, rgba(127,90,240,0.07) 0%, #ffffff 40%) !important;
}
.product-hot {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #FFD700, #FF8C00);
    color: #1a1a2e;
    padding: 4px 12px;
    border-radius: 20px;
}
.product-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #7F5AF0, #4169E1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 14px;
}
.product-tag {
    font-size: 0.7rem;
    color: #7F5AF0;
    background: rgba(127,90,240,0.12);
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.product-card h3 {
    font-size: 1.15rem;
    color: var(--text-color);
    margin-bottom: 10px;
    font-weight: 700;
}
.product-card p {
    color: var(--text-secondary-color);
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 16px;
    flex: 1;
}
.product-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}
.product-features li {
    font-size: 0.85rem;
    color: var(--text-secondary-color);
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
.product-features li i {
    color: #2CB67D;
    font-size: 0.75rem;
}
.btn-product {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #7F5AF0;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: 1.5px solid #7F5AF0;
    padding: 8px 18px;
    border-radius: 30px;
    transition: all 0.3s;
}
.btn-product:hover {
    background: #7F5AF0;
    color: #fff;
    transform: translateX(3px);
}

/* Logo YES Studio */
.logo-yes {
    background: linear-gradient(135deg, #7F5AF0, #2CB67D);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
}
.logo-studio {
    font-weight: 400;
    font-size: 1rem;
    color: var(--text-secondary-color, #B0C4DE);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================
   Kod İllüstrasyonu (fotoğraf yerine)
   ============================================ */
.code-illustration {
    position: relative;
    max-width: 420px;
    z-index: 2;
}
.ci-window {
    background: #1e1e2e;
    border-radius: 16px;
    box-shadow: 0 30px 60px rgba(127, 90, 240, 0.25);
    overflow: hidden;
    border: 1px solid rgba(127, 90, 240, 0.3);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.code-illustration:hover .ci-window {
    transform: translateY(-6px);
    box-shadow: 0 40px 80px rgba(127, 90, 240, 0.35);
}
.ci-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: #181825;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.ci-dot { width: 12px; height: 12px; border-radius: 50%; }
.ci-red { background: #ff5f57; }
.ci-yellow { background: #febc2e; }
.ci-green { background: #28c840; }
.ci-file {
    margin-left: auto;
    font-size: 0.8rem;
    color: #6c7086;
    font-family: 'Courier New', monospace;
}
.ci-body {
    padding: 26px 24px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 2;
}
.ci-line { color: #cdd6f4; white-space: nowrap; }
.ci-indent { padding-left: 28px; }
.ci-kw { color: #cba6f7; }
.ci-fn { color: #89b4fa; }
.ci-prop { color: #94e2d5; }
.ci-str { color: #a6e3a1; }
.ci-num { color: #fab387; }
.ci-cursor {
    color: #7F5AF0;
    font-weight: bold;
    animation: ciBlink 1s steps(2) infinite;
}
@keyframes ciBlink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
.ci-badge {
    position: absolute;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 5;
}
.ci-badge-1 { top: -22px; right: 30px; background: linear-gradient(135deg, #7F5AF0, #4169E1); animation: ciFloat 4s ease-in-out infinite; }
.ci-badge-2 { bottom: 40px; right: -22px; background: linear-gradient(135deg, #2CB67D, #1e9e6a); animation: ciFloat 4s ease-in-out infinite 1.3s; }
.ci-badge-3 { bottom: -22px; left: 40px; background: linear-gradient(135deg, #FF8C00, #FFB347); animation: ciFloat 4s ease-in-out infinite 2.6s; }
@keyframes ciFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
body.light-mode .ci-window { box-shadow: 0 30px 60px rgba(127, 90, 240, 0.18); }

/* Hazır Sistemler — alt not */
.products-note {
    text-align: center;
    color: var(--text-secondary-color);
    margin-top: 32px;
    font-size: 0.92rem;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    padding: 16px 24px;
    background: rgba(127, 90, 240, 0.06);
    border: 1px solid rgba(127, 90, 240, 0.12);
    border-radius: 14px;
}
.products-note i { color: #7F5AF0; margin-right: 6px; }

/* product-tag tam genişlik sorununu düzelt */
.product-tag {
    width: auto;
    align-self: flex-start;
}

@media (max-width: 768px) {
    .code-illustration { margin: 0 auto 40px; }
    .ci-body { font-size: 0.8rem; padding: 20px 16px; }
    .ci-badge { width: 44px; height: 44px; font-size: 1.1rem; }
}

/* ===================== QUOTE MODAL INPUT FIX ===================== */
.quote-modal-content .contact-form input,
.quote-modal-content .contact-form textarea,
.quote-modal-content .contact-form select {
    background-color: var(--background-color);
    border: 1.5px solid rgba(127,90,240,0.35);
    color: var(--text-color);
}
.quote-modal-content .contact-form input:focus,
.quote-modal-content .contact-form textarea:focus,
.quote-modal-content .contact-form select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(127,90,240,0.18);
    outline: none;
}
.quote-modal-content .contact-form input::placeholder,
.quote-modal-content .contact-form textarea::placeholder {
    color: var(--text-secondary-color);
    opacity: 0.8;
}
/* Light mode: modal arka planı beyaz olduğu için input farkı belirgin olmalı */
body.light-mode .quote-modal-content .contact-form input,
body.light-mode .quote-modal-content .contact-form textarea,
body.light-mode .quote-modal-content .contact-form select {
    background-color: #F0EEF8 !important;
    border: 1.5px solid rgba(127,90,240,0.45) !important;
    color: #343A40 !important;
}

/* ===================== SCROLL ANIMATIONS ===================== */
[data-animate] {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}
[data-animate="fade-up"]   { transform: translateY(32px); }
[data-animate="fade-left"] { transform: translateX(-32px); }
[data-animate="fade-right"]{ transform: translateX(32px); }
[data-animate="scale-up"]  { transform: scale(0.92); }

[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* ===================== ENHANCED ANIMATIONS ===================== */

/* Daha güçlü scroll reveal */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}
[data-animate="fade-left"]  { transform: translateX(-40px); }
[data-animate="fade-right"] { transform: translateX(40px); }
[data-animate="scale-up"]   { transform: scale(0.88); opacity: 0; }
[data-animate="fade-up"]    { transform: translateY(40px); }

[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* Proje kart hover — yukarı kalk + glow */
.home-project-card {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s ease;
}
.home-project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(127,90,240,0.18);
}

/* Servis kart hover */
.pricing-card {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s ease !important;
}
.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(127,90,240,0.15) !important;
}

/* Expertise & value kart hover */
.expertise-card, .value-card {
    transition: transform 0.3s cubic-bezier(0.16,1,0.3,1),
                box-shadow 0.3s ease;
}
.expertise-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(127,90,240,0.15);
}
.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(127,90,240,0.12);
}

/* Timeline icon pulse */
.timeline-icon {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.timeline-item.is-visible .timeline-icon {
    animation: iconPop 0.5s cubic-bezier(0.16,1,0.3,1) both;
    animation-delay: 0.3s;
}
@keyframes iconPop {
    0%   { transform: scale(0.5); opacity: 0; }
    60%  { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

/* Section title — alt çizgi animasyonu */
.section-title {
    position: relative;
}
.section-title.is-visible::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #7F5AF0, #2CB67D);
    border-radius: 2px;
    animation: titleLine 0.6s ease 0.4s forwards;
}
@keyframes titleLine {
    to { width: 60px; }
}

/* Stat sayaç animasyonu */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-stat-number {
    animation: countUp 0.6s ease both;
}