/* Reset ve Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --background: #ffffff;
    --foreground: #1e3a8a;
    --card: #f8fafc;
    --card-foreground: #1e3a8a;
    --primary: #1e3a8a;
    --primary-foreground: #ffffff;
    --secondary: #3b82f6;
    --secondary-foreground: #ffffff;
    --muted: #f1f5f9;
    --muted-foreground: #64748b;
    --accent: #3b82f6;
    --accent-foreground: #ffffff;
    --neon: #60a5fa;
    --neon-soft: #93c5fd;
    --navy-1: #1e3a8a;
    --navy-2: #1e40af;
    --purple-deep: #1e3a8a;
    --border: #e2e8f0;
    --input: #e2e8f0;
    --ring: #3b82f6;
    --radius: 1.25rem;
    --gradient-card: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 50%, #e2e8f0 100%);
    --gradient-card-hover: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 50%, #cbd5e1 100%);
    --gradient-hero: radial-gradient(ellipse at top, #f8fafc 0%, #ffffff 60%);
    --shadow-card: 0 30px 60px -20px rgba(30, 58, 138, 0.1), 0 0 0 1px rgba(30, 58, 138, 0.05) inset;
    --shadow-glow: 0 0 40px rgba(30, 58, 138, 0.15);
    --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.8), rgba(248, 250, 252, 0.7));
    --glass-border: rgba(30, 58, 138, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    background-image: radial-gradient(circle at 20% 10%, rgba(30, 58, 138, 0.05) 0%, transparent 40%),
                      radial-gradient(circle at 80% 60%, rgba(59, 130, 246, 0.05) 0%, transparent 45%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigasyon */
.navbar {
    background-color: var(--glass-bg);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    text-decoration: none;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

.btn-nav {
    background-color: var(--primary);
    color: var(--primary-foreground) !important;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(30, 58, 138, 0.2);
}

.btn-nav:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--foreground);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    color: var(--foreground);
    padding: 200px 0 120px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(30, 58, 138, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    box-shadow: 0 4px 14px rgba(30, 58, 138, 0.2);
}

.btn-primary:hover {
    background-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--foreground);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 14px rgba(30, 58, 138, 0.1);
}

.btn-secondary:hover {
    background-color: rgba(30, 58, 138, 0.05);
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.15);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.hero-info {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(30, 58, 138, 0.05);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.info-icon {
    font-size: 2rem;
}

.info-text strong {
    display: block;
    font-size: 0.875rem;
    opacity: 0.8;
}

.info-text span {
    font-size: 1rem;
    font-weight: 600;
}

/* İstatistikler */
.stats {
    background-color: var(--background);
    padding: 4rem 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
}

.stat-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    border-top: 4px solid var(--primary);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--muted-foreground);
    font-weight: 500;
}

/* Section */
.section {
    padding: 6rem 0;
}

.section-alt {
    background-color: var(--muted);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--primary);
    border-radius: 0 12px 12px 0;
    box-shadow: var(--shadow-card);
}

.timeline-time {
    font-weight: 700;
    color: var(--primary);
    min-width: 80px;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--foreground);
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.timeline-content p {
    color: var(--muted-foreground);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.feature-card p {
    color: var(--muted-foreground);
}

/* Commissions Grid */
.commissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.commission-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

.commission-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.commission-card h3 {
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.commission-card p {
    color: var(--muted-foreground);
}

/* CTA Section */
.cta {
    background: var(--gradient-card);
    color: var(--foreground);
    padding: 5rem 0;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta .btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}

/* Page Header */
.page-header {
    background: var(--gradient-hero);
    color: var(--foreground);
    padding: 150px 0 80px;
    margin-top: 70px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* About Content */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.about-text h2:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--muted-foreground);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.placeholder-content {
    text-align: center;
    color: white;
}

.placeholder-content span {
    font-size: 5rem;
    display: block;
    margin-bottom: 1rem;
}

.placeholder-content p {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.value-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.value-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.value-card p {
    color: var(--muted-foreground);
}

/* Goals List */
.goals-list {
    max-width: 800px;
    margin: 0 auto;
}

.goal-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
    align-items: flex-start;
}

.goal-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    min-width: 80px;
}

.goal-content h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.goal-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Coordinator Section */
.coordinator-section {
    max-width: 900px;
    margin: 0 auto;
}

.coordinator-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    align-items: center;
}

.coordinator-image {
    display: flex;
    justify-content: center;
}

.image-placeholder-circle {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder-circle span {
    font-size: 5rem;
    color: white;
}

.coordinator-info h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.coordinator-info .role {
    color: var(--neon);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.coordinator-info .message {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 1rem;
}

.coordinator-info p {
    color: var(--muted-foreground);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* Department Section */
.department-section {
    margin-bottom: 4rem;
}

.department-section h3 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary);
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.team-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--neon) 100%);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-avatar span {
    font-size: 3rem;
    color: white;
}

.team-card h4 {
    color: var(--foreground);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--neon);
    font-weight: 500;
    font-size: 0.95rem;
}

/* Program Tabs */
.program-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--card);
    border: 2px solid var(--primary);
    color: var(--foreground);
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary);
    color: var(--primary-foreground);
}

.program-day {
    display: none;
}

.program-day.active {
    display: block;
}

.day-header {
    text-align: center;
    margin-bottom: 3rem;
}

.day-header h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.day-header p {
    color: var(--muted-foreground);
    font-size: 1.1rem;
}

.program-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.program-item {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-card);
    align-items: flex-start;
    border-left: 4px solid var(--primary);
}

.program-time {
    font-weight: 700;
    color: var(--primary);
    min-width: 150px;
    font-size: 1rem;
}

.program-content h3 {
    color: var(--foreground);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.program-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Keynote Section */
.keynote-section {
    max-width: 1000px;
    margin: 0 auto;
}

.keynote-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    align-items: center;
}

.keynote-image {
    display: flex;
    justify-content: center;
}

.image-placeholder-circle-large {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--neon) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder-circle-large span {
    font-size: 6rem;
    color: white;
}

.keynote-photo {
    width: 250px;
    height: 250px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--primary);
    box-shadow: 0 8px 24px rgba(30, 58, 138, 0.2);
}

.keynote-info .keynote-badge {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.keynote-info h2 {
    color: var(--primary);
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
    letter-spacing: -0.025em;
}

.keynote-title {
    color: var(--neon);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.keynote-bio {
    color: var(--muted-foreground);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.keynote-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.keynote-topics strong {
    color: var(--foreground);
    margin-right: 0.5rem;
}

.keynote-topics span {
    background: var(--muted);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Speakers Grid */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.speaker-card {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.speaker-avatar {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--neon) 100%);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.speaker-avatar span {
    font-size: 4rem;
    color: white;
}

.speaker-photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary);
    box-shadow: 0 4px 16px rgba(30, 58, 138, 0.15);
}

.speaker-photo[src*="emircanturan"] {
    object-position: center 30%;
}

.speaker-photo[src*="halenurkutuk"] {
    object-position: center 30%;
}

.speaker-card h3 {
    color: var(--foreground);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.speaker-title {
    color: var(--neon);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.speaker-bio {
    color: var(--muted-foreground);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Form Container */
.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-section {
    background: var(--gradient-card);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-card);
}

.form-section h2 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.form-description {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--foreground);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--card);
    color: var(--foreground);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

.form-group label input[type="checkbox"] {
    display: inline-block;
    width: auto;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: var(--primary-foreground);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3.5rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-family: 'Cormorant Garamond', Georgia, serif;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--primary-foreground);
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--neon);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid hsl(var(--border) / .5);
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-card);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
    }

    .timeline-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .coordinator-card {
        grid-template-columns: 1fr;
    }

    .keynote-card {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .program-item {
        flex-direction: column;
    }

    .program-time {
        min-width: auto;
    }
}

/* Modal Stilleri */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--card);
    margin: 15% auto;
    padding: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    box-shadow: var(--shadow-card);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--muted-foreground);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover,
.close:focus {
    color: var(--foreground);
}

.modal-content h2 {
    color: var(--foreground);
    margin-bottom: 0.5rem;
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
}

.modal-content #modalRole {
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.modal-content #modalMessage {
    color: var(--foreground);
    line-height: 1.8;
    white-space: pre-line;
}

/* Countdown Section */
.countdown-section {
    padding: 3rem 0;
    background: var(--gradient-card);
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--card);
    padding: 1.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    min-width: 120px;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.countdown-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Cormorant Garamond', Georgia, serif;
    line-height: 1;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--muted-foreground);
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Team Card Tıklanabilirlik */
.team-card {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}