/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-navy: #0F172A;
    --primary-green: #10B981;
    --primary-blue: #0EA5E9;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Source Code Pro', 'Monaco', 'Cascadia Code', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

.lead {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--gray-600);
}

.text-small {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-content {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.nav {
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
}

.nav-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-navy);
    font-family: var(--font-mono);
}

.nav-subtitle {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-green);
    background-color: var(--gray-50);
}

.nav-link.active {
    color: var(--primary-green);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 2px;
    background-color: var(--primary-green);
    border-radius: 1px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    border-radius: 1px;
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
    line-height: 1;
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.btn-primary:hover {
    background-color: #059669;
    border-color: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-navy);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-50);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-navy);
    border-color: var(--white);
}

.btn-white:hover {
    background-color: var(--gray-50);
    transform: translateY(-1px);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--primary-navy);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--gray-800) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.9) 0%, 
        rgba(30, 41, 59, 0.8) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-xl);
}

.hero-badge {
    display: inline-block;
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary-green);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-mono);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--primary-green);
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats Section */
.stats-section {
    background-color: var(--gray-50);
    padding: var(--spacing-3xl) 0;
    margin-top: -1px;
}

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

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-sm);
}

/* Sections */
.highlights-section,
.updates-section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2.25rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

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

.section-line {
    width: 60px;
    height: 3px;
    background: var(--primary-green);
    margin: 0 auto var(--spacing-xl);
    border-radius: 2px;
}

/* Highlights Grid */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.highlight-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    text-align: center;
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    color: var(--primary-green);
    transition: all 0.3s ease;
}

.highlight-card:hover .highlight-icon {
    background: var(--primary-green);
    color: var(--white);
}

.highlight-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.highlight-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.highlight-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.highlight-link:hover {
    color: var(--primary-blue);
}

.highlight-link span {
    transition: transform 0.2s ease;
}

.highlight-link:hover span {
    transform: translateX(4px);
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--gray-800) 100%);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.25rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Updates Grid */
.updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.update-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.update-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.update-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.update-type {
    background: var(--primary-green);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.update-date {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.update-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.update-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.update-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.update-link:hover {
    color: var(--primary-blue);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--gray-800) 100%);
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.pexels.com/photos/3184292/pexels-photo-3184292.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.page-header-content {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--gray-300);
}

/* Content Sections */
.content-grid {
    max-width: 900px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: var(--spacing-3xl);
}

.content-text {
    font-size: 1rem;
    line-height: 1.8;
}

/* Mission & Vision */
.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.mission-card,
.vision-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-green);
    text-align: center;
}

.mission-card .card-icon,
.vision-card .card-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-lg);
    color: var(--primary-green);
}

/* Timeline */
.timeline {
    position: relative;
    margin-top: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gray-300);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-2xl);
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--white);
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    z-index: 2;
}

.timeline-marker.active {
    border-color: var(--primary-green);
    background: var(--primary-green);
}

.timeline-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

/* Impact Grid */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.impact-item {
    text-align: center;
    padding: var(--spacing-xl);
}

.impact-item h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

/* Organizer Info */
.organizer-info {
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.organizer-links {
    margin-top: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Agenda Styles */
.day-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--white);
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.agenda-day {
    margin-bottom: var(--spacing-3xl);
}

.day-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.day-title {
    font-size: 1.75rem;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.day-subtitle {
    color: var(--gray-600);
    font-size: 1rem;
}

.agenda-table {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.agenda-row {
    display: grid;
    grid-template-columns: 120px 1fr 200px 120px;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    align-items: start;
    transition: background-color 0.2s ease;
}

.agenda-row:hover {
    background-color: var(--gray-50);
}

.agenda-row.agenda-header {
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
}

.agenda-row.keynote {
    background: rgba(16, 185, 129, 0.05);
    border-left: 4px solid var(--primary-green);
}

.agenda-time {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.875rem;
}

.agenda-activity h3 {
    color: var(--primary-navy);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.agenda-activity p {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.agenda-speaker {
    font-weight: 500;
    color: var(--gray-700);
}

.agenda-room {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: right;
}

/* Speakers Grid */
.speakers-featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.speaker-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.speaker-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.keynote-card {
    border-left: 4px solid var(--primary-green);
}

.speaker-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.speaker-card:hover .speaker-image img {
    transform: scale(1.05);
}

.speaker-info {
    padding: var(--spacing-xl);
}

.speaker-name {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.speaker-title {
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.speaker-bio {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.speaker-links {
    display: flex;
    gap: var(--spacing-md);
}

.speaker-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    text-decoration: none;
}

.speaker-link:hover {
    background: var(--primary-green);
    color: var(--white);
}

/* Community Grid */
.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.community-card {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.community-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

/* Documents Styles */
.document-filter,
.gallery-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.document-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.document-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.document-icon {
    width: 60px;
    height: 60px;
    background: var(--gray-50);
    color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
    border-radius: var(--radius-md);
}

.document-info {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    flex-grow: 1;
}

.document-title {
    color: var(--primary-navy);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.document-description {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.document-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.document-type,
.document-size {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.document-type {
    background: var(--primary-blue);
    color: var(--white);
}

.document-size {
    background: var(--gray-200);
    color: var(--gray-700);
}

.document-author {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-style: italic;
}

.document-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--primary-green);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    margin: 0 var(--spacing-xl) var(--spacing-xl);
}

.document-download:hover {
    background: #059669;
    transform: translateY(-1px);
}

.download-notice {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.notice-content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

.notice-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notice-text h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.notice-text p {
    color: var(--gray-600);
    margin: 0;
}

/* Gallery Styles */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.03);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    color: var(--white);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-info h3 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.gallery-info p {
    font-size: 0.875rem;
    color: var(--gray-300);
    margin: 0;
}

.video-thumbnail {
    position: relative;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-navy);
    transition: all 0.3s ease;
}

.video-thumbnail:hover .video-play-button {
    background: var(--primary-green);
    color: var(--white);
    transform: translate(-50%, -50%) scale(1.1);
}

.load-more-section {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    background: rgba(0, 0, 0, 0.5);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.modal-image-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-900);
}

.modal-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.modal-info {
    padding: var(--spacing-lg);
    background: var(--white);
}

.modal-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.modal-description {
    color: var(--gray-600);
    margin: 0;
}

.modal-nav {
    position: absolute;
    top: 50%;
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.modal-nav-btn {
    background: rgba(0, 0, 0, 0.5);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    pointer-events: all;
}

.modal-nav-btn:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-3xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
}

.contact-info {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    height: fit-content;
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gray-50);
    color: var(--primary-green);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.contact-details p {
    color: var(--gray-600);
    margin: 0;
}

.contact-details a {
    color: var(--primary-green);
    text-decoration: none;
}

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

.contact-social {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.contact-social h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.social-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-card:hover {
    background: var(--primary-green);
    color: var(--white);
}

.social-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}

.social-info h4 {
    color: inherit;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.social-info p {
    font-size: 0.75rem;
    opacity: 0.7;
    margin: 0;
}

.additional-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.info-card {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.info-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.info-card p {
    color: var(--gray-600);
    margin: 0;
    line-height: 1.6;
}

/* Success Message */
.success-message {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.success-message.active {
    display: flex;
}

.success-content {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 400px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.success-content h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.success-content p {
    color: var(--gray-600);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--spacing-3xl) 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    width: 60px;
    height: 60px;
}

.footer-description {
    color: var(--gray-300);
    margin: 0;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.footer-column-title {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-menu a:hover {
    color: var(--primary-green);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-300);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright,
.footer-license {
    font-size: 0.875rem;
    color: var(--gray-400);
    margin: 0;
}

.footer-license a {
    color: var(--primary-green);
    text-decoration: none;
}

.footer-license a:hover {
    text-decoration: underline;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .agenda-row {
        grid-template-columns: 100px 1fr 150px 100px;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .speakers-feature-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .agenda-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: left;
    }
    
    .agenda-time {
        font-size: 0.75rem;
        color: var(--primary-blue);
        font-weight: 700;
    }
    
    .agenda-speaker,
    .agenda-room {
        font-size: 0.75rem;
        text-align: left;
    }
    
    .speakers-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .day-filter,
    .document-filter,
    .gallery-filter {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .social-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .modal-nav {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .modal-nav-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .updates-grid {
        grid-template-columns: 1fr;
    }
    
    .additional-info {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn,
    .nav-toggle,
    .modal {
        display: none !important;
    }
    
    .main-content {
        padding-top: 0;
    }
    
    .page-header {
        padding-top: var(--spacing-xl);
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .agenda-table {
        page-break-inside: avoid;
    }
    
    .speaker-card,
    .document-card {
        page-break-inside: avoid;
        margin-bottom: var(--spacing-lg);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-link:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --gray-600: #000000;
        --gray-700: #000000;
    }
    
    .btn {
        border-width: 2px;
    }
}