:root {
    --primary: #0A2463;
    --secondary: #FF6B35;
    --accent: #F4D35E;
    --light: #F7F9FC;
    --dark: #1E1E24;
    --green: #27AE60;
    --purple: #764BA2;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    --gradient-secondary: linear-gradient(45deg, var(--secondary), var(--accent));
    --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    height: 60px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.logo-text {
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--primary), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    opacity: 0.9;
    color: var(--accent);
}

.event-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Program Section */
.program-section {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.title-accent {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.title-description {
    display: block;
    font-size: 1.2rem;
    color: #666;
    font-weight: 400;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin: 4rem 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 3rem);
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 3rem);
    text-align: right;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    top: 2rem;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-medium);
    z-index: 2;
}

.timeline-content {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-medium);
    position: relative;
    border-left: 4px solid var(--secondary);
    transition: all 0.3s ease;
}

.timeline-item:nth-child(even) .timeline-content {
    border-left: none;
    border-right: 4px solid var(--accent);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 2rem;
    width: 0;
    height: 0;
    border: 15px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -15px;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -15px;
    border-right-color: white;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.timeline-title {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 700;
}

.timeline-duration {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
}

.timeline-description {
    color: #555;
    line-height: 1.8;
}

.timeline-features {
    list-style: none;
    margin: 1rem 0;
}

.timeline-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.timeline-features i {
    color: var(--secondary);
    width: 20px;
}

.timeline-tag {
    position: absolute;
    top: -10px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-tag.networking { background: var(--green); color: white; }
.timeline-tag.ceremonial { background: var(--purple); color: white; }
.timeline-tag.keynote { background: var(--primary); color: white; }
.timeline-tag.inspiration { background: var(--accent); color: var(--dark); }
.timeline-tag.preview { background: var(--secondary); color: white; }
.timeline-tag.business { background: var(--green); color: white; }
.timeline-tag.discussion { background: var(--purple); color: white; }
.timeline-tag.farewell { background: var(--dark); color: white; }

/* Featured Timeline Items */
.timeline-item.featured .timeline-content {
    background: linear-gradient(135deg, #f8f9ff 0%, #fff5f0 100%);
    border-width: 6px;
    transform: scale(1.02);
}

.timeline-item.featured .timeline-marker {
    width: 80px;
    height: 80px;
    font-size: 2rem;
    background: var(--gradient-primary);
}

/* Conference Content */
.conference-topic {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0;
    text-align: center;
}

.speakers-info h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.speakers-list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.speakers-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(10, 36, 99, 0.05);
    border-radius: 10px;
}

.format-badge {
    background: var(--accent);
    color: var(--dark);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

/* Pitch Sessions */
.pitch-sessions {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.pitch-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 107, 53, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--secondary);
}

.pitch-item i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.pitch-item small {
    margin-left: auto;
    background: var(--secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Teaser */
.teaser-text {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.teaser-highlight {
    background: var(--gradient-secondary);
    color: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
}

/* Networking Activities */
.networking-activities {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.activity {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(39, 174, 96, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--green);
}

.activity i {
    color: var(--green);
    font-size: 1.2rem;
}

/* Roundtable */
.roundtable-topic {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1rem 0;
    text-align: center;
}

.participants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.participant-type {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(118, 75, 162, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--purple);
}

.participant-type i {
    color: var(--purple);
    font-size: 1.2rem;
}

/* Closing Activities */
.closing-activities {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.closing-activities li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(30, 30, 36, 0.05);
    border-radius: 10px;
}

.closing-activities i {
    color: var(--dark);
    width: 20px;
}

/* Venue Section */
.venue-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.venue-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.venue-info {
    display: grid;
    gap: 2rem;
}

.venue-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
}

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

.venue-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
}

.venue-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.coming-soon {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 10px;
    color: var(--secondary);
    font-weight: 600;
}

.venue-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.feature {
    background: var(--accent);
    color: var(--dark);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.venue-placeholder {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.placeholder-content {
    text-align: center;
    color: #999;
}

.placeholder-content i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #ddd;
}

.placeholder-badge {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 70px 0 30px;
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 0;
    right: 0;
    height: 100px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" preserveAspectRatio="none"><path d="M0,0 Q500,100 1000,0 L1000,100 L0,100 Z" fill="%230A2463"></path></svg>');
    background-size: 100% 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    width: 200px;
    margin: 0 auto 2rem;
    display: block;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.footer-social {
    margin: 2rem 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: var(--secondary);
    transform: translateY(-5px);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--accent);
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .nav-links {
        gap: 1.2rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

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

    .subtitle {
        font-size: 1.2rem;
    }

    .countdown {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .countdown-item {
        min-width: 100px;
        padding: 1rem;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding: 0 1rem;
        padding-left: calc(50% + 1rem);
    }

    .timeline::before {
        left: 20px;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}