/* Reset and Base */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@600;700;800&display=swap');

:root {
    --bg-deep: #0c1a36;
    --bg-darker: #081428;
    --text-primary: #ffffff;
    --text-secondary: #a8b8cc;
    --accent-silver: #f1f5f9;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.12);
    --accent-blue: #3b82f6;
    --font-main: 'Inter', sans-serif;
    --font-display: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    overscroll-behavior-y: none; /* Disable pull-to-refresh effect */
}

html {
    scroll-behavior: smooth;
    overscroll-behavior-y: none; /* Disable pull-to-refresh effect */
}

h1, h2, h3 {
    font-family: var(--font-display);
    letter-spacing: -0.01em;
}

/* =============================================
   TOP LOGOS BAR
   ============================================= */
.top-logos {
    background: transparent;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.logo-strip {
    width: 90%;
    max-width: 1200px;
    height: auto;
    max-height: 65px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0;
    animation: fadeIn 1s ease-out 0.1s both;
}

/* =============================================
   LANGUAGE SWITCHER
   ============================================= */
.lang-switcher {
    margin: 0.75rem 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 5px;
    border-radius: 100px;
    display: flex;
    gap: 3px;
    width: fit-content;
    align-self: center;
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.5);
    padding: 0.5rem 1.1rem;
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 0.75rem;
    cursor: pointer;
    border-radius: 100px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.lang-btn:hover {
    color: rgba(255,255,255,0.85);
    background: rgba(255, 255, 255, 0.06);
}

.lang-btn.active {
    background: #fff;
    color: var(--bg-deep);
}

/* =============================================
   HERO SECTION — FULLSCREEN
   ============================================= */
.hero {
    height: 100dvh;
    height: 100vh; /* fallback */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 5.5rem 2rem 2rem;
    background: url('../img/hero-background.webp?v=2.0.0') center/cover no-repeat;
    background-color: var(--bg-deep);
    overflow: hidden;
}

@supports (height: 100dvh) {
    .hero {
        height: 100dvh;
    }
}

/* Accessibility Focus States */
button:focus-visible, 
a:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 4px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(10, 31, 68, 0.25) 0%, rgba(5, 15, 36, 0.82) 100%);
    z-index: 1;
}

/* Infinity Symbol */
.hero-symbol {
    width: clamp(180px, 28vw, 340px);
    margin-bottom: 1rem;
    z-index: 10;
    filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.4));
    background: radial-gradient(circle, rgba(6, 18, 44, 0.95) 0%, transparent 70%);
    padding: 2rem;
    border-radius: 50%;
    /* Staggered entrance */
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Float is applied after entrance completes */
.hero-symbol.animated {
    animation: fadeInUp 1s ease-out 0.2s both, float 6s ease-in-out 1.4s infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(25px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-title {
    font-size: clamp(2.8rem, 10vw, 6rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
    z-index: 10;
    text-align: center;
    line-height: 0.95;
    /* Staggered entrance */
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.35s both;
}

.hero-info {
    z-index: 10;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}

.hero-subtitle {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #fff;
    /* Staggered entrance */
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.5s both;
}

.hero-location {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    /* Staggered entrance */
    opacity: 0;
    animation: fadeInUp 0.9s ease-out 0.6s both;
}

/* Language switcher entrance */
.lang-switcher {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.7s both;
}

/* =============================================
   GLASS BUTTON (CTA)
   ============================================= */
.btn-glass {
    padding: 1rem 2.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border-radius: 100px;
    font-size: 0.8rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    /* Staggered entrance */
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.25),
                0 0 60px rgba(59, 130, 246, 0.08);
}

.btn-glass:active {
    transform: translateY(0);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.15);
}

.hero-instagram-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(220, 39, 67, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1s both;
}

.hero-instagram-badge:hover {
    background: linear-gradient(45deg, #f09433 10%, #e6683c 35%, #dc2743 60%, #cc2366 85%, #bc1888 100%);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(220, 39, 67, 0.4);
    transform: translateY(-2px);
}

/* =============================================
   SCROLL INDICATOR
   ============================================= */
.scroll-indicator {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: opacity 0.5s ease;
    /* Staggered entrance */
    opacity: 0;
    animation: fadeIn 1s ease-out 1.2s both;
}

.scroll-indicator svg {
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator:hover {
    color: rgba(255, 255, 255, 0.8);
}

.scroll-indicator.hidden {
    opacity: 0 !important;
    pointer-events: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(8px); }
    60% { transform: translateY(4px); }
}

/* =============================================
   TIMELINE SECTION
   ============================================= */
.timeline-section {
    padding: 8rem 2rem 6rem;
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    text-align: center;
    margin-bottom: 1.25rem;
    color: #fff;
    background: linear-gradient(135deg, #fff 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-date {
    text-align: center;
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    margin-bottom: 5rem;
    font-family: var(--font-display);
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

/* Timeline structure */
.timeline {
    position: relative;
    padding-left: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 124px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,0.08) 5%, rgba(255,255,255,0.08) 95%, transparent 100%);
}

/* Timeline items */
.timeline-item {
    display: flex;
    gap: 4rem;
    position: relative;
    padding-bottom: 1.75rem;
    opacity: 0;
    transform: translateX(15px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Time column */
.event-time-col {
    width: 100px;
    flex-shrink: 0;
    text-align: right;
    padding-top: 1.5rem;
}

.time-start {
    font-weight: 700;
    color: #fff;
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
}

.time-end {
    color: var(--text-secondary);
    font-size: 0.8rem;
    display: block;
    margin-top: 3px;
    font-variant-numeric: tabular-nums;
}

/* Timeline dot */
.timeline-dot {
    position: absolute;
    left: 124px;
    top: 1.85rem;
    width: 10px;
    height: 10px;
    background: var(--accent-blue);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 10px var(--accent-blue);
    z-index: 2;
    transition: transform 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: translateX(-50%) scale(1.3);
}

.timeline-dot--break {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: none;
    width: 8px;
    height: 8px;
}

.timeline-dot--ceremony {
    background: #f59e0b;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
    width: 12px;
    height: 12px;
}

/* =============================================
   TALK CARDS — Rich layout
   ============================================= */
.timeline-content--talk {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-content--talk:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25),
                0 0 0 1px var(--card-accent, rgba(59, 130, 246, 0.1));
}

/* Colored accent strip on the left of talk cards */
.timeline-content--talk .card-accent-strip {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--card-accent, var(--accent-blue));
    border-radius: 4px 0 0 4px;
}

/* Card body */
.card-body {
    padding: 1.5rem 2rem 1.5rem 2.25rem;
    width: 100%;
}

/* Category badge */
.card-header {
    margin-bottom: 0.75rem;
}

.card-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--card-accent, var(--accent-blue));
    background: var(--card-bg, rgba(59, 130, 246, 0.08));
    border: 1px solid rgba(59, 130, 246, 0.2); /* fallback for Firefox < 113 */
    border: 1px solid color-mix(in srgb, var(--card-accent, var(--accent-blue)) 20%, transparent);
}

.card-category-badge i {
    width: 13px;
    height: 13px;
}

/* Card title */
.card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 0;
}

/* =============================================
   SPEAKER CHIPS — Individual speaker cards
   ============================================= */
.card-speakers-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.speakers-section-label {
    display: block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--card-accent, var(--accent-blue));
    opacity: 0.7;
    margin-bottom: 0.6rem;
}

.speakers-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.speaker-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.75rem 0.45rem 0.45rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    transition: all 0.25s ease;
    min-width: 0;
}

.speaker-chip:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

.speaker-chip-avatar {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--card-bg, rgba(59, 130, 246, 0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--card-accent, var(--accent-blue));
    flex-shrink: 0;
}

.speaker-chip-avatar i {
    width: 15px;
    height: 15px;
}

.speaker-chip-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.speaker-chip-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.2;
}

.speaker-chip-role {
    font-size: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* =============================================
   TIMELINE DIVIDERS — Full-width break separators
   ============================================= */
.timeline-divider {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 0;
    margin: 0.5rem 0;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-divider.visible {
    opacity: 1;
    transform: translateY(0);
}

.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.divider-pill {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.5rem 0.65rem 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    white-space: nowrap;
    transition: all 0.3s ease;
}

.divider-pill:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.18);
}

.divider-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    flex-shrink: 0;
}

.divider-icon i {
    width: 15px;
    height: 15px;
    color: rgba(255, 255, 255, 0.6);
}

.divider-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.divider-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.02em;
}

.divider-time {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.35);
    font-variant-numeric: tabular-nums;
}

/* =============================================
   CEREMONY CARDS — Golden cards inside timeline
   ============================================= */
.timeline-content--ceremony {
    flex-grow: 1;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, rgba(245, 158, 11, 0.02) 100%);
    border: 1px solid rgba(245, 158, 11, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-content--ceremony:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.04) 100%);
    border-color: rgba(245, 158, 11, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(245, 158, 11, 0.1);
}

.timeline-content--ceremony .card-accent-strip {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #f59e0b, #d97706);
    border-radius: 4px 0 0 4px;
}

.timeline-content--ceremony .card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fbbf24;
    letter-spacing: 0.01em;
}

/* Ceremony badge override */
.card-category-badge--ceremony {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
}

/* Ceremony speaker chips */
.timeline-content--ceremony .card-speakers-section {
    border-top-color: rgba(245, 158, 11, 0.12);
}

.timeline-content--ceremony .speakers-section-label {
    color: #f59e0b;
}

.timeline-content--ceremony .speaker-chip-avatar {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

/* =============================================
   FOOTER
   ============================================= */
.main-footer {
    padding: 3rem 2rem;
    text-align: center;
    background: var(--bg-darker);
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo-strip {
    width: 90%;
    max-width: 1000px;
    height: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.footer-logo-strip:hover {
    opacity: 0.85;
}

.footer-logo-strip.top-strip {
    margin-bottom: 0.5rem;
}

.footer-logo-strip.bottom-strip {
    margin-top: 0.5rem;
}

.footer-logos-divider {
    width: 90%;
    max-width: 1000px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    margin: 2rem 0;
}

.footer-legal-blocks {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

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

.footer-social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.footer-legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer-legal-links a:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.footer-institution-text {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.75rem;
    line-height: 1.6;
}

.footer-credits-text {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.65rem;
    line-height: 1.5;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* =============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================= */
@media (max-width: 1024px) {
    .hero-symbol {
        width: clamp(160px, 25vw, 280px);
        padding: 1.5rem;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 9vw, 4.5rem);
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
    
    .timeline-section {
        padding: 6rem 1.5rem 4rem;
    }
}

/* =============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================= */
@media (max-width: 768px) {
    .top-logos { 
        padding: 0.75rem 1rem; 
    }
    
    .logo-strip { 
        width: 95%; 
        max-height: 40px; 
    }
    
    .hero { 
        height: 100dvh;
        height: 100vh;
        min-height: unset;
        max-height: 100dvh;
        padding: 4.5rem 1.5rem 1.5rem;
        justify-content: center;
    }

    @supports (height: 100dvh) {
        .hero {
            height: 100dvh;
            max-height: 100dvh;
        }
    }
    
    .hero-symbol { 
        width: clamp(140px, 38vw, 220px); 
        padding: 1rem; 
        margin-bottom: 0.75rem; 
    }
    
    .hero-title {
        font-size: clamp(2.4rem, 13vw, 3.5rem);
        margin-bottom: 0.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-location {
        font-size: 0.65rem;
        letter-spacing: 0.2em;
        margin-bottom: 0.25rem;
    }
    
    .lang-switcher {
        margin: 0.4rem 0;
    }
    
    .lang-btn {
        padding: 0.4rem 0.9rem;
        font-size: 0.7rem;
    }
    
    .btn-glass {
        padding: 0.85rem 2rem;
        font-size: 0.72rem;
    }
    
    .scroll-indicator {
        bottom: 1rem;
    }
    
    /* Timeline mobile */
    .timeline-section {
        padding: 5rem 1rem 3rem;
    }
    
    .timeline::before { left: 72px; }
    .timeline-dot,
    .timeline-dot--break,
    .timeline-dot--ceremony { left: 72px; }
    .timeline-item { gap: 1.5rem; padding-bottom: 1.25rem; }
    
    .event-time-col { 
        width: 60px; 
        padding-top: 1.2rem;
        text-align: right;
    }
    
    .time-start { font-size: 0.8rem; }
    .time-end { font-size: 0.7rem; }
    
    /* Talk cards mobile */
    .card-body {
        padding: 1.1rem 1.25rem 1.1rem 1.5rem;
    }
    
    .card-title { font-size: 0.95rem; }
    
    .card-category-badge {
        font-size: 0.6rem;
        padding: 0.2rem 0.6rem;
    }
    
    .card-category-badge i {
        width: 11px;
        height: 11px;
    }
    
    /* Speaker chips mobile */
    .card-speakers-section {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }
    
    .speakers-grid {
        gap: 0.4rem;
    }
    
    .speaker-chip {
        padding: 0.35rem 0.6rem 0.35rem 0.35rem;
        gap: 0.5rem;
    }
    
    .speaker-chip-avatar {
        width: 26px;
        height: 26px;
        border-radius: 6px;
    }
    
    .speaker-chip-avatar i {
        width: 13px;
        height: 13px;
    }
    
    .speaker-chip-name { font-size: 0.75rem; }
    .speaker-chip-role { font-size: 0.62rem; }
    .speakers-section-label { font-size: 0.55rem; }
    
    /* Dividers mobile */
    .timeline-divider {
        gap: 0.75rem;
        padding: 1rem 0;
    }
    
    .divider-pill {
        padding: 0.5rem 1rem 0.5rem 0.5rem;
        gap: 0.5rem;
    }
    
    .divider-icon {
        width: 28px;
        height: 28px;
    }
    
    .divider-icon i {
        width: 13px;
        height: 13px;
    }
    
    .divider-label { font-size: 0.72rem; }
    .divider-time { font-size: 0.6rem; }
    
    /* Ceremony mobile */
    .timeline-content--ceremony .card-title {
        font-size: 0.95rem;
    }
    
    .section-date {
        font-size: 0.8rem;
        margin-bottom: 3rem;
    }
}

/* =============================================
   RESPONSIVE — SMALL MOBILE (≤380px)
   ============================================= */
@media (max-width: 380px) {
    .hero-symbol {
        width: 130px;
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-location {
        font-size: 0.6rem;
    }
}

/* =============================================
   RESPONSIVE — SHORT SCREENS (landscape phones)
   ============================================= */
@media (max-height: 700px) {
    .hero-symbol {
        width: clamp(100px, 18vw, 180px);
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-title {
        font-size: clamp(2rem, 6vw, 3rem);
        margin-bottom: 0.4rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-location {
        margin-bottom: 0.2rem;
    }
    
    .btn-glass {
        padding: 0.7rem 1.8rem;
    }
    
    .scroll-indicator {
        bottom: 0.5rem;
    }
}

/* =============================================
   HUB INTRO — Marketing section before cards
   ============================================= */
.hub-intro {
    padding: 5rem 2rem 3rem;
    text-align: center;
}

.hub-intro-inner {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

/* Badge pill */
.hub-intro-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.1rem;
    border-radius: 100px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--accent-blue);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hub-intro-badge i {
    width: 14px;
    height: 14px;
}

/* Main headline */
.hub-intro-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-bottom: 0.1em;
    margin: 0;
}

/* Lead paragraph */
.hub-intro-lead {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 640px;
}

/* Stats row */
.hub-intro-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0.5rem 0;
}

.hub-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.hub-stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
    background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hub-stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    font-weight: 600;
}

.hub-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Tagline sub-text */
.hub-intro-sub {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
}

/* =============================================
   LOCALIZACIÓN SECTION — Immersive redesign
   ============================================= */
.localizacion-section {
    padding: 5rem 2rem 4rem;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
}

/* Ambient blue glow behind the section */
.loc-ambient-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.localizacion-section::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
}

.localizacion-inner {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    max-width: 960px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.localizacion-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.localizacion-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #fff;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.localizacion-subtitle {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.35);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
    margin: 0;
}

/* ---- Map Showcase ---- */
.loc-map-showcase {
    position: relative;
}

.localizacion-map-wrap {
    position: relative;
    width: 100%;
    height: 380px;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

.localizacion-map-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    filter: grayscale(80%) invert(92%) hue-rotate(180deg) brightness(0.65) contrast(1.2) saturate(0.7);
    transition: filter 0.5s ease;
}

.localizacion-map-wrap:hover iframe {
    filter: grayscale(50%) invert(92%) hue-rotate(180deg) brightness(0.78) contrast(1.1) saturate(0.85);
}

.map-dark-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 30%,
        rgba(6, 18, 44, 0.55) 100%
    );
    z-index: 2;
    pointer-events: none;
    border-radius: 20px;
}

/* ---- Floating Venue Card (overlaid on map) ---- */
.loc-venue-card {
    position: absolute;
    bottom: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(10, 18, 38, 0.75);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.loc-venue-card:hover {
    background: rgba(10, 18, 38, 0.85);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.loc-venue-pin {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.15));
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.loc-venue-pin i {
    width: 20px;
    height: 20px;
    color: var(--accent-blue);
}

.loc-venue-details {
    flex: 1;
    min-width: 0;
}

.loc-venue-details h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.loc-venue-details p {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.loc-venue-go {
    width: 44px;
    height: 44px;
    background: var(--accent-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.loc-venue-go:hover {
    background: #2563eb;
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
}

.loc-venue-go i {
    width: 18px;
    height: 18px;
}

/* ---- Transport Info Strip ---- */
.loc-transport-strip {
    display: flex;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    overflow: hidden;
}

.loc-transport-item {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1.15rem 1.25rem;
    transition: background 0.3s ease;
}

.loc-transport-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.loc-transport-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.07);
    align-self: stretch;
    flex-shrink: 0;
}

.loc-transport-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.loc-transport-icon i {
    width: 18px;
    height: 18px;
}

.loc-transport-icon--bus {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.loc-transport-icon--parking {
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.loc-transport-icon--web {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.loc-transport-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.loc-transport-text strong {
    font-size: 0.82rem;
    font-weight: 650;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.01em;
}

.loc-transport-text span {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.4;
}

.loc-transport-link {
    font-size: 0.75rem;
    color: var(--accent-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: color 0.2s ease;
}

.loc-transport-link:hover {
    color: #60a5fa;
}

.loc-transport-link i {
    width: 12px;
    height: 12px;
}

/* =============================================
   RESPONSIVE — HUB INTRO & LOCALIZACIÓN MOBILE
   ============================================= */
@media (max-width: 768px) {
    .hub-intro {
        padding: 3.5rem 1.25rem 2rem;
    }

    .hub-intro-stats {
        gap: 1.25rem;
    }

    .hub-stat-num {
        font-size: 1.8rem;
    }

    .localizacion-section {
        padding: 2.5rem 1rem 3rem;
    }

    .localizacion-map-wrap {
        height: 280px;
        border-radius: 16px;
    }

    .map-dark-overlay {
        border-radius: 16px;
    }

    .loc-venue-card {
        bottom: 0.75rem;
        left: 0.75rem;
        right: 0.75rem;
        gap: 0.75rem;
        padding: 0.85rem 1rem;
        border-radius: 14px;
    }

    .loc-venue-pin {
        width: 38px;
        height: 38px;
    }

    .loc-venue-pin i {
        width: 16px;
        height: 16px;
    }

    .loc-venue-details h3 {
        font-size: 0.85rem;
    }

    .loc-venue-details p {
        font-size: 0.72rem;
    }

    .loc-venue-go {
        width: 38px;
        height: 38px;
    }

    .loc-venue-go i {
        width: 16px;
        height: 16px;
    }

    /* Transport strip → vertical stack on mobile */
    .loc-transport-strip {
        flex-direction: column;
        border-radius: 14px;
    }

    .loc-transport-divider {
        width: auto;
        height: 1px;
        align-self: auto;
    }

    .loc-transport-item {
        padding: 1rem 1.15rem;
    }
}

@media (max-width: 480px) {
    .hub-intro-stats {
        gap: 0.75rem;
    }

    .hub-stat-num {
        font-size: 1.5rem;
    }

    .hub-stat-label {
        font-size: 0.65rem;
    }

    .hub-stat-divider {
        height: 30px;
    }
}