/* Root Variables - UALS Theme */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --accent: #f093fb;
    --accent-2: #4facfe;
    --dark: #1a1a2e;
    --dark-2: #16213e;
    --dark-3: #0f3460;
    --light: #ffffff;
    --text: #333333;
    --text-light: #666666;
    --success: #4ade80;
    --warning: #fbbf24;
    --error: #f87171;

    --gradient-1: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-2: linear-gradient(135deg, var(--accent), var(--accent-2));
    --gradient-3: linear-gradient(135deg, var(--dark), var(--dark-2), var(--dark-3));

    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: var(--gradient-3);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* Particle Background */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 46, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
}

.logo-icon {
    font-size: 32px;
    animation: pulse 2s ease-in-out infinite;
}

.logo-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-2);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    padding-top: 80px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.1;
}

.title-number {
    display: block;
    font-size: 120px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: scaleIn 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.title-text {
    display: block;
    animation: fadeInRight 1s ease 0.3s both;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    transition: var(--transition);
    animation: fadeInUp 1s ease both;
}

.stat-card:nth-child(1) { animation-delay: 0.6s; }
.stat-card:nth-child(2) { animation-delay: 0.7s; }
.stat-card:nth-child(3) { animation-delay: 0.8s; }
.stat-card:nth-child(4) { animation-delay: 0.9s; }

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.cta-button {
    background: var(--gradient-1);
    color: var(--light);
    border: none;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 1s ease 1s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.button-icon {
    font-size: 24px;
    transition: var(--transition);
}

.cta-button:hover .button-icon {
    transform: translateX(5px);
}

.hero-visualization {
    flex: 1;
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 20px;
}

#hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    opacity: 0.9;
    transition: var(--transition);
}

#hero-video:hover {
    opacity: 1;
    transform: scale(1.02);
}

/* Section Titles */
.section-title {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Evolution Timeline */
.evolution-timeline {
    display: flex;
    justify-content: space-around;
    margin: 60px 0;
    position: relative;
}

.evolution-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.2s; }
.timeline-item:nth-child(2) { animation-delay: 0.4s; }
.timeline-item:nth-child(3) { animation-delay: 0.6s; }

.timeline-icon {
    font-size: 48px;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.timeline-item.active .timeline-icon {
    background: var(--gradient-1);
    border-color: var(--primary);
    transform: scale(1.2);
    box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 15px;
}

.timeline-bar {
    height: 8px;
    background: var(--gradient-1);
    border-radius: 4px;
    margin: 0 auto;
    max-width: 200px;
    transition: width 1s ease;
}

/* Architecture Breakdown */
.architecture-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.arch-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.arch-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.arch-card:hover::before {
    opacity: 0.1;
}

.arch-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.arch-card.production {
    border-color: var(--primary);
}

.arch-card.extended {
    border-color: var(--accent);
}

.arch-card.monitoring {
    border-color: var(--accent-2);
}

.arch-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.arch-number {
    font-size: 72px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.arch-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.arch-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Learning Sciences Perspective Section */
.section.learning-sciences {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ls-perspective-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.ls-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.ls-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

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

.ls-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.ls-card > * {
    position: relative;
    z-index: 1;
}

.ls-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.ls-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--light);
}

.ls-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-size: 16px;
}

/* Agent Grid */
.category-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--light);
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
    background: var(--gradient-1);
    border-color: var(--primary);
}

.agent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.agent-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 25px;
    transition: var(--transition);
    cursor: pointer;
    opacity: 0;
    animation: fadeInScale 0.5s ease forwards;
}

.agent-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.agent-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.agent-icon {
    font-size: 32px;
}

.agent-number {
    font-size: 12px;
    background: var(--gradient-1);
    color: var(--light);
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 700;
}

.agent-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.agent-category {
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.agent-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* Workflows */
.scenario-selector {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.scenario-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--light);
    padding: 15px 30px;
    border-radius: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.scenario-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.scenario-btn.active {
    background: var(--gradient-1);
    border-color: var(--primary);
}

.workflow-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

.workflow-canvas {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.workflow-sidebar {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.workflow-sidebar h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--accent);
}

#scenario-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    line-height: 1.6;
}

.agent-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInRight 0.3s ease;
}

.agent-item .icon {
    font-size: 20px;
}

.recommendation-item {
    background: rgba(102, 126, 234, 0.2);
    border-left: 3px solid var(--primary);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 13px;
    animation: slideInRight 0.3s ease;
}

/* Synthesis Section */
.synthesis-section {
    background: rgba(0, 0, 0, 0.2);
}

.synthesis-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.synthesis-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.synthesis-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.core-icon {
    font-size: 80px;
    animation: pulse 2s ease-in-out infinite;
}

.core-label {
    font-size: 18px;
    font-weight: 700;
    margin-top: 10px;
    color: var(--light);
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
}

.pulse-ring.delay-1 {
    animation-delay: 0.5s;
}

.pulse-ring.delay-2 {
    animation-delay: 1s;
}

#synthesis-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.synthesis-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.info-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.feature-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    background: var(--gradient-1);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.fingerprint-dimensions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.dimension {
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
}

.insight-examples {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.insight {
    background: rgba(249, 115, 22, 0.2);
    border-left: 3px solid #f97316;
    padding: 10px;
    border-radius: 8px;
    font-size: 13px;
}

/* Performance Grid */
.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.perf-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.perf-metric {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

.metric-value {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.perf-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.perf-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--gradient-1);
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.perf-bar.animated::after {
    width: var(--width);
}

/* Network Graph */
.network-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.network-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--light);
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.network-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.network-graph {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    height: 700px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-1);
}

.cta-content {
    text-align: center;
    padding: 60px 0;
}

.cta-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--light);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin: 5px 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================================
   AGENT MODAL
   ============================================================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    margin: auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: scaleIn 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-header {
    background: var(--gradient-1);
    color: white;
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
}

.modal-title-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.modal-agent-icon {
    font-size: 48px;
    animation: pulse 2s ease-in-out infinite;
}

.modal-agent-name {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
}

.modal-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.language-selector {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.language-selector:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-selector option {
    background: #764ba2;
    color: white;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 36px;
    font-weight: 300;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
    overflow-y: auto;
    flex: 1;
    position: relative;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    gap: 20px;
}

.loading-spinner.hidden {
    display: none;
}

.video-container {
    width: 100%;
    max-width: 500px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
    background: rgba(102, 126, 234, 0.05);
}

#waiting-video {
    width: 100%;
    height: auto;
    display: block;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(102, 126, 234, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: #666;
    font-size: 18px;
    font-weight: 600;
    margin-top: 10px;
    animation: pulse 2s ease-in-out infinite;
}

.agent-description-content {
    display: none;
    line-height: 1.8;
    color: #333;
}

.agent-description-content.visible {
    display: block;
    animation: fadeIn 0.5s ease;
}

.agent-description-content h3 {
    color: var(--primary);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 22px;
}

.agent-description-content h4 {
    color: var(--secondary);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 18px;
}

.agent-description-content p {
    margin-bottom: 15px;
    font-size: 16px;
}

.agent-description-content ul, .agent-description-content ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.agent-description-content li {
    margin-bottom: 8px;
}

.agent-description-content strong {
    color: var(--primary);
    font-weight: 600;
}

.agent-description-content em {
    color: var(--secondary);
    font-style: italic;
}

.agent-description-content code {
    background: rgba(102, 126, 234, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    color: var(--primary);
}

.agent-description-content blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    margin: 20px 0;
    color: #666;
    font-style: italic;
}

.modal-footer {
    background: rgba(102, 126, 234, 0.05);
    padding: 20px 40px;
    border-top: 1px solid rgba(102, 126, 234, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
}

.ai-icon {
    font-size: 20px;
    animation: pulse 2s ease-in-out infinite;
}

.agent-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.agent-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.3);
}

.agent-card:active {
    transform: translateY(-4px) scale(1.01);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

/* Responsive */
@media (max-width: 1200px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .synthesis-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }

    .title-number {
        font-size: 80px;
    }

    .architecture-breakdown {
        grid-template-columns: 1fr;
    }

    .ls-perspective-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .workflow-container {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }
}