/* ============================================
   GECC Turkey Landing Page - Styles
   Modern, Premium, Performance-Optimized
   ============================================ */

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
    /* Primary Colors - GECC Red Theme */
    --primary-50: #fef2f2;
    --primary-100: #fee2e2;
    --primary-200: #fecaca;
    --primary-300: #fca5a5;
    --primary-400: #f87171;
    --primary-500: #ef4444;
    --primary-600: #dc2626;
    --primary-700: #b91c1c;
    --primary-800: #991b1b;
    --primary-900: #7f1d1d;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    --gradient-dark: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Poppins', var(--font-primary);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(220, 38, 38, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ============================================
   CSS Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--space-md);
}

strong {
    font-weight: 600;
}

/* ============================================
   Layout & Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    overflow-x: hidden;
    /* İçerik taşmasını engelle */
}

section {
    padding: var(--space-4xl) 0;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(220, 38, 38, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    border-color: var(--primary-600);
    color: var(--primary-600);
    background: var(--primary-50);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn svg {
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    min-height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    color: white;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.header.scrolled .logo {
    color: var(--gray-900);
}

.logo img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    transition: all var(--transition-base);
}

.header.scrolled .logo img {
    width: 60px;
    height: 60px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.9;
    transition: all var(--transition-base);
}

.header.scrolled .logo-text {
    font-size: 0.625rem;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-xl);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding: var(--space-xs) 0;
}

.header.scrolled .nav-links a {
    color: var(--gray-600);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-600);
    transition: width var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: none;
}

@media (min-width: 1024px) {
    .nav-cta {
        display: inline-flex;
    }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 6px;
    z-index: var(--z-modal);
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-base);
}

.header.scrolled .mobile-menu-btn span {
    background: var(--gray-700);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.mobile-nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.mobile-nav-links .btn {
    margin-top: var(--space-lg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(160px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 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='0.03'%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");
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease forwards;
}

.badge-icon {
    font-size: 1.25rem;
}

.hero-title {
    color: white;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-xs);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.hero-cta .btn-outline {
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.hero-cta .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: fadeInUp 0.6s ease 0.5s forwards;
    opacity: 0;
}

.trust-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.trust-logos {
    display: flex;
    gap: var(--space-md);
}

.trust-logo {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ============================================
   Video Section
   ============================================ */
.video-section {
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    padding: var(--space-4xl) 0;
}

.video-section .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.video-section .section-title {
    color: white;
}

.video-section .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.video-thumbnail {
    position: relative;
    display: block;
    width: 100%;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), 0 0 80px rgba(220, 38, 38, 0.2);
    transition: all var(--transition-base);
}

.video-thumbnail:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-2xl), 0 0 100px rgba(220, 38, 38, 0.3);
}

.video-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-base);
}

.video-thumbnail:hover .video-play-button {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-button svg {
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
}

.video-play-button .play-bg {
    transition: fill var(--transition-base);
}

.video-thumbnail:hover .video-play-button .play-bg {
    fill: #cc0000;
}

.video-duration {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    backdrop-filter: blur(4px);
}

.video-cta {
    text-align: center;
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.video-cta p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
}

.video-cta .btn-primary {
    display: inline-flex;
}

/* ============================================
   Problem & Solution Section
   ============================================ */
.problem-section {
    background: white;
    padding: var(--space-4xl) 0;
}

.problem-grid {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.problem-card,
.solution-card {
    padding: var(--space-2xl);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}

.problem-card {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
}

.solution-card {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: white;
}

.problem-icon,
.solution-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.problem-card h3,
.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.solution-card h3 {
    color: white;
}

.problem-list,
.solution-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.problem-list li,
.solution-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 1rem;
}

.list-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
}

.solution-card .list-icon {
    color: var(--accent-green);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-lg);
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   How It Works / Timeline
   ============================================ */
.how-it-works {
    background: var(--gray-50);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: var(--space-xl);
    position: relative;
}

.timeline-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
}

.timeline-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.timeline-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-md);
}

.timeline-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.timeline-features li {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.timeline-connector {
    position: absolute;
    left: 29px;
    top: 60px;
    width: 2px;
    height: calc(100% - 60px);
    background: var(--gray-200);
    z-index: 1;
}

.timeline-item:last-child .timeline-connector {
    display: none;
}

@media (max-width: 640px) {
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-connector {
        display: none;
    }
}

/* ============================================
   Advantages Section
   ============================================ */
.advantages {
    background: white;
}

.advantages-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.advantage-card {
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.advantage-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
}

.advantage-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ============================================
   Universities Section
   ============================================ */
.universities {
    background: var(--gradient-dark);
    color: white;
}

.universities .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.universities .section-title {
    color: white;
}

.universities .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.universities-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .universities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .universities-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.university-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.university-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.university-logo {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.university-initial {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.university-card h4 {
    color: white;
    font-size: 0.9375rem;
    margin-bottom: var(--space-xs);
}

.university-location {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Testimonial Section
   ============================================ */
.testimonial {
    background: var(--gray-50);
    padding: var(--space-4xl) 0;
}

.testimonial-card {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    text-align: center;
}

.testimonial-quote {
    font-family: Georgia, serif;
    font-size: 8rem;
    line-height: 1;
    color: var(--primary-100);
    position: absolute;
    top: 0;
    left: var(--space-xl);
}

blockquote {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-700);
    font-style: italic;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

.author-info {
    text-align: left;
}

.author-info strong {
    display: block;
    font-size: 1rem;
    color: var(--gray-900);
}

.author-info span {
    display: block;
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ============================================
   Programs Section
   ============================================ */
.programs {
    background: white;
}

.programs-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.program-card {
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-xl);
    position: relative;
    transition: all var(--transition-base);
}

.program-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-lg);
}

.program-card.featured {
    border-color: var(--primary-500);
    background: white;
}

.program-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-lg);
    background: var(--gradient-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.program-level {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.program-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.program-card>p {
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

.program-features {
    margin-bottom: var(--space-lg);
}

.program-features li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--gray-700);
}

.program-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

.program-careers {
    padding: var(--space-md);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
}

.program-careers span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
}

.program-careers p {
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: 0;
    margin-top: var(--space-xs);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background: var(--gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    width: 100%;
    padding: var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    cursor: pointer;
    list-style: none;
    transition: all var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    color: var(--primary-600);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

.faq-answer ul {
    margin-top: var(--space-sm);
    padding-left: var(--space-lg);
}

.faq-answer li {
    list-style: disc;
    margin-bottom: var(--space-xs);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: white;
}

.contact-grid {
    display: grid;
    gap: var(--space-3xl);
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        align-items: start;
    }
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.contact-info>p {
    color: var(--gray-600);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
    word-break: break-word;
    /* Uzun adreslerin kırılmasını sağlar */
}

.contact-item a {
    color: var(--primary-600);
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-row {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--gray-700);
}

input,
select,
textarea {
    padding: 0.875rem var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--transition-fast);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-400);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.form-checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.form-checkbox label {
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.form-checkbox a {
    color: var(--primary-600);
    text-decoration: underline;
}

.form-note {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: var(--space-sm);
}

.note-icon {
    font-size: 1rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr repeat(3, 1fr);
    }
}

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-logo img {
    width: 50px;
    height: 50px;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-600);
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

.footer-bottom p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin: 0;
}

.footer-accreditation {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-accreditation>span:first-child {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.accreditation-badge {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============================================
   WhatsApp Float Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: var(--space-lg);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--gray-900);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    background: var(--gray-800);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-600);
}

/* ============================================
   Utility Classes
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {

    .header,
    .whatsapp-float,
    .back-to-top,
    .mobile-menu,
    .hero-scroll {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }

    section {
        padding: var(--space-xl) 0;
    }

    .contact-form-wrapper {
        padding: var(--space-md);
        margin-left: -1rem;
        margin-right: -1rem;
        width: auto;
        /* Genişliği otomatize edelim */
        border-radius: 0;
    }

    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.5rem !important;
    }

    .section-header h2 {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Mobil düzeltmeler */
    .contact-grid {
        display: flex;
        flex-direction: column;
        gap: var(--space-xl);
    }

    input,
    select,
    textarea {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        /* Grid/Flex taşmasını önler */
        box-sizing: border-box !important;
    }
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--gray-900);
    color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-tooltip);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    font-size: 0.9375rem;
    font-weight: 500;
}

.toast-info {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.toast-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.toast-error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}