/* ============================================================
   MY CITY, OUR MUSIC — Cinematic Landing Page v2
   Oakland AI x Music Conference 2026
   Dark Mode / Glassmorphism / Anti-Gravity
   ============================================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    --midnight:        #060a18;
    --midnight-deep:   #030610;
    --midnight-light:  #0d1530;
    --midnight-medium: #0a0f25;

    --violet:          #8b5cf6;
    --violet-bright:   #a78bfa;
    --violet-deep:     #6d28d9;
    --violet-glow:     rgba(139, 92, 246, 0.4);

    --cyan:            #06fdd8;
    --cyan-bright:     #22ffe8;
    --cyan-deep:       #00c9a7;
    --cyan-glow:       rgba(6, 253, 216, 0.3);

    --electric-blue:   #3b82f6;
    --electric-glow:   rgba(59, 130, 246, 0.3);

    --gold:            #fbbf24;
    --gold-glow:       rgba(251, 191, 36, 0.3);

    --white:           #f8fafc;
    --white-soft:      #e2e8f0;
    --gray-300:        #cbd5e1;
    --gray-400:        #94a3b8;
    --gray-500:        #64748b;
    --gray-600:        #475569;
    --gray-700:        #334155;
    --gray-800:        #1e293b;
    --gray-900:        #0f172a;

    --glass-bg:        rgba(13, 21, 48, 0.65);
    --glass-border:    rgba(139, 92, 246, 0.15);
    --glass-glow:      rgba(6, 253, 216, 0.08);

    --font-display:    'Outfit', sans-serif;
    --font-body:       'Inter', sans-serif;
    --font-mono:       'Space Grotesk', monospace;

    --section-padding:  120px;
    --container-max:    1280px;
    --container-padding: 40px;

    --ease-out-expo:    cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart:   cubic-bezier(0.25, 1, 0.5, 1);
    --ease-spring:      cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background-color: var(--midnight);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== NAVIGATION ===== */
.nav-bar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 0 var(--container-padding);
    transition: all 0.5s var(--ease-out-expo);
    background: transparent;
}

.nav-bar.scrolled {
    background: rgba(6, 10, 24, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 80px;
}

.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; }
.logo-icon { font-size: 1.6rem; color: var(--cyan); filter: drop-shadow(0 0 8px var(--cyan-glow)); }
.logo-text { font-size: 1.3rem; letter-spacing: 3px; color: var(--white); }
.logo-accent { color: var(--cyan); }

.nav-links {
    display: flex; align-items: center; gap: 32px; list-style: none;
}

.nav-link {
    font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 2px; color: var(--gray-400);
    transition: color 0.3s ease; position: relative;
}

.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--cyan);
    transition: width 0.4s var(--ease-out-expo);
}

.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta {
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
    letter-spacing: 2px; color: var(--midnight);
    background: var(--cyan); padding: 10px 20px; border-radius: 4px;
    transition: all 0.3s var(--ease-out-expo);
    box-shadow: 0 0 20px var(--cyan-glow);
}
.nav-cta:hover {
    background: var(--cyan-bright); transform: translateY(-1px);
    box-shadow: 0 4px 30px var(--cyan-glow);
}

/* Hamburger */
.nav-hamburger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-hamburger span {
    display: block; width: 24px; height: 2px; background: var(--white);
    transition: all 0.3s ease; border-radius: 2px;
}
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

.hero-bg-img {
    width: 130%; height: 130%;
    object-fit: cover; object-position: center;
    position: absolute; top: -15%; left: -15%;
    animation: heroPan 30s ease-in-out infinite alternate;
    will-change: transform;
}

@keyframes heroPan {
    0%   { transform: scale(1.05) translate(0, 0); }
    25%  { transform: scale(1.08) translate(-2%, -1%); }
    50%  { transform: scale(1.06) translate(1%, -2%); }
    75%  { transform: scale(1.1) translate(-1%, 1%); }
    100% { transform: scale(1.05) translate(2%, -1%); }
}

.hero-bg-overlay {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 30%, rgba(6, 253, 216, 0.08) 0%, transparent 50%),
        linear-gradient(180deg,
            rgba(6, 10, 24, 0.5) 0%,
            rgba(6, 10, 24, 0.3) 30%,
            rgba(6, 10, 24, 0.4) 60%,
            rgba(6, 10, 24, 0.95) 100%
        );
    z-index: 1;
}

.hero-bg-grain {
    position: absolute; inset: 0; z-index: 2; opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    background-size: 128px; pointer-events: none;
}

/* Anti-gravity floating */
.antigravity-layer { position: absolute; inset: 0; z-index: 3; pointer-events: none; overflow: hidden; }

.float-element {
    position: absolute; left: var(--x); top: var(--y);
    animation: floatUp var(--duration) var(--delay) linear infinite;
    color: var(--violet-bright); will-change: transform;
}
.float-element.note { font-size: 1.8rem; opacity: 0.2; color: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan-glow)); }
.float-element.circuit { color: var(--violet-bright); }
.float-element.artifact-icon { color: var(--gold); }

@keyframes floatUp {
    0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
    5%   { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(-120vh) rotate(360deg); opacity: 0; }
}

.particle-canvas { position: absolute; inset: 0; z-index: 4; pointer-events: none; }

/* Hero content */
.hero-content {
    position: relative; z-index: 10; text-align: center;
    max-width: 1000px; padding: 80px var(--container-padding) 120px var(--container-padding);
}

.hero-tag {
    display: flex; align-items: center; justify-content: center; gap: 16px;
    margin-bottom: 28px; opacity: 0;
    animation: fadeInUp 1s 0.3s var(--ease-out-expo) forwards;
}
.tag-line { width: 40px; height: 1px; background: var(--violet); }
.tag-text {
    font-family: var(--font-display); font-size: 0.95rem; font-weight: 700;
    letter-spacing: 6px; color: var(--violet-bright);
}

/* Title */
.hero-title {
    font-family: var(--font-display); font-weight: 900;
    line-height: 0.9; margin-bottom: 28px; letter-spacing: -2px;
}
.title-line { display: block; }
.title-line-1 { font-size: clamp(3.5rem, 10vw, 8rem); }
.title-line-2 { font-size: clamp(4rem, 12vw, 9.5rem); }

.title-word {
    display: inline-block; opacity: 0; transform: translateY(60px);
    animation: wordReveal 0.8s calc(0.5s + var(--i) * 0.12s) var(--ease-out-expo) forwards;
    margin-right: 16px;
}
.title-word.accent {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--violet-bright) 50%, var(--cyan) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: wordReveal 0.8s calc(0.5s + var(--i) * 0.12s) var(--ease-out-expo) forwards,
               gradientShift 6s ease-in-out infinite;
    filter: drop-shadow(0 0 30px var(--cyan-glow));
}

@keyframes wordReveal { to { opacity: 1; transform: translateY(0); } }
@keyframes gradientShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* Subtitle / headline */
.hero-subtitle-block {
    margin-bottom: 24px; opacity: 0;
    animation: fadeInUp 1s 1.2s var(--ease-out-expo) forwards;
}
.subtitle-divider { width: 60px; height: 2px; background: linear-gradient(90deg, var(--violet), var(--cyan)); margin: 0 auto 20px; }

.hero-headline {
    font-family: var(--font-display); font-size: clamp(1.2rem, 2.8vw, 1.9rem);
    font-weight: 500; line-height: 1.5; color: var(--gray-300);
}

.text-gradient {
    background: linear-gradient(135deg, var(--cyan), var(--violet-bright));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; font-weight: 700;
}
.text-gradient-warm {
    background: linear-gradient(135deg, var(--gold), #f97316);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; font-weight: 700;
}

/* Description */
.hero-description-block {
    max-width: 820px; margin: 0 auto 24px; opacity: 0;
    animation: fadeInUp 1s 1.5s var(--ease-out-expo) forwards;
}
.hero-description {
    font-size: 1.25rem; line-height: 1.4; color: var(--white);
    font-weight: 500; text-shadow: 0 4px 12px rgba(0, 0, 0, 0.8), 0 0 20px rgba(139, 92, 246, 0.5);
}

/* CTA buttons — identical style, side by side */
.hero-btns {
    display: flex; align-items: center; justify-content: center;
    gap: 20px; margin-bottom: 56px; flex-wrap: wrap;
    opacity: 0; animation: fadeInUp 1s 1.8s var(--ease-out-expo) forwards;
}

.cta-primary {
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
    letter-spacing: 2px; color: var(--midnight);
    background: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-bright) 100%);
    padding: 16px 32px; border-radius: 4px;
    transition: all 0.4s var(--ease-out-expo);
    box-shadow: 0 0 30px var(--cyan-glow), 0 4px 20px rgba(0,0,0,0.3);
    position: relative; overflow: hidden;
}
.cta-primary::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
    transform: translateX(-100%); transition: transform 0.6s var(--ease-out-expo);
}
.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 50px var(--cyan-glow), 0 8px 30px rgba(0,0,0,0.4);
}
.cta-primary:hover::before { transform: translateX(100%); }

.cta-large { padding: 20px 48px; font-size: 0.85rem; }

/* Stats */
.hero-stats {
    display: flex; align-items: center; justify-content: center;
    gap: 40px; opacity: 0;
    animation: fadeInUp 1s 2.1s var(--ease-out-expo) forwards;
}
.stat { text-align: center; }
.stat-number {
    font-family: var(--font-display); font-size: 2.5rem; font-weight: 800;
    color: var(--cyan); line-height: 1; display: inline;
}
.stat-suffix { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--cyan); }
.stat-label {
    display: block; font-family: var(--font-mono); font-size: 0.6rem;
    font-weight: 500; letter-spacing: 3px; color: var(--gray-500); margin-top: 6px;
}
.stat-divider { width: 1px; height: 40px; background: linear-gradient(180deg, transparent, var(--gray-700), transparent); }

/* Scroll indicator */
.scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 8px;
    opacity: 0; animation: fadeInUp 1s 2.5s var(--ease-out-expo) forwards;
}
.scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(180deg, var(--violet), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%, 100% { opacity: 0.3; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }
.scroll-text { font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 4px; color: var(--gray-500); }

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

/* ===== ARCHITECTS SECTION ===== */
.architects-section {
    padding: var(--section-padding) 0; background: var(--midnight-deep);
    position: relative; overflow: hidden;
}
.architects-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}
.architects-section::after {
    content: ''; position: absolute; top: 20%; right: -10%;
    width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, var(--violet-glow) 0%, transparent 70%);
    pointer-events: none; animation: glowPulse 8s ease-in-out infinite alternate;
}
@keyframes glowPulse { 0% { opacity: 0.3; transform: scale(1); } 100% { opacity: 0.6; transform: scale(1.2); } }

.architects-inner {
    max-width: var(--container-max); margin: 0 auto;
    padding: 0 var(--container-padding); position: relative; z-index: 1;
}

.section-header { text-align: center; margin-bottom: 80px; }
.section-tag {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
    letter-spacing: 4px; color: var(--violet-bright); margin-bottom: 24px;
}
.tag-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan-glow);
}
.section-title {
    font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900; line-height: 1; letter-spacing: -1px; color: var(--white); margin-bottom: 20px;
}
.title-accent {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--violet-bright) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { font-size: 1rem; line-height: 1.7; color: var(--gray-400); max-width: 600px; margin: 0 auto; }

.architects-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.architect-card {
    position: relative; border-radius: 16px; overflow: hidden;
    transform: translateY(60px); opacity: 0;
    transition: transform 0.8s var(--ease-out-expo), opacity 0.8s var(--ease-out-expo);
}
.architect-card.visible { transform: translateY(0); opacity: 1; }

.card-glow {
    position: absolute; inset: -1px; border-radius: 16px;
    background: linear-gradient(135deg, var(--violet) 0%, transparent 40%, transparent 60%, var(--cyan) 100%);
    opacity: 0; transition: opacity 0.5s ease; z-index: 0;
}
.architect-card:hover .card-glow { opacity: 1; }

.card-inner {
    position: relative; z-index: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border); border-radius: 16px; overflow: hidden;
    transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s ease;
}
.architect-card:hover .card-inner {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px var(--glass-glow);
}

.card-image-wrapper { position: relative; width: 100%; aspect-ratio: 4 / 5; overflow: hidden; background: var(--midnight-deep); }
.image-fallback {
    position: absolute; inset: 0; z-index: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(6, 253, 216, 0.02));
    border: 1px dashed rgba(139, 92, 246, 0.2);
    border-radius: 4px; margin: 10px;
}
.fallback-icon {
    width: 60px; height: 60px; color: var(--violet); opacity: 0.4; margin-bottom: 12px;
}
.fallback-name {
    font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
    letter-spacing: 2px; color: var(--gray-500); text-align: center;
}
.card-image { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out-expo), opacity 0.3s ease; }
.architect-card:hover .card-image { transform: scale(1.05); }
.card-image-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, var(--midnight-deep) 100%); }

.card-badge {
    position: absolute; top: 16px; left: 16px;
    display: flex; align-items: center; gap: 6px;
    font-family: var(--font-mono); font-size: 0.55rem; font-weight: 600;
    letter-spacing: 2px; color: var(--gold);
    background: rgba(6, 10, 24, 0.8); backdrop-filter: blur(10px);
    padding: 6px 12px; border-radius: 4px; border: 1px solid rgba(251, 191, 36, 0.2);
}
.card-badge.badge-ai { color: var(--cyan); border-color: rgba(6, 253, 216, 0.2); }
.card-badge.badge-civic { color: var(--violet-bright); border-color: rgba(139, 92, 246, 0.2); }

.card-content { padding: 28px; }
.card-name {
    font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
    letter-spacing: 1px; color: var(--white); margin-bottom: 8px;
}
.card-title-row { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.card-role { font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500; letter-spacing: 1px; color: var(--gray-400); }
.card-divider { color: var(--gray-600); font-size: 0.7rem; }
.card-bio { font-size: 0.88rem; line-height: 1.7; color: var(--gray-400); margin-bottom: 20px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.card-tag {
    font-family: var(--font-mono); font-size: 0.58rem; font-weight: 500;
    letter-spacing: 1px; color: var(--violet-bright);
    background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.15);
    padding: 4px 10px; border-radius: 3px;
}

/* ===== AGENDA / SCHEDULE SECTION ===== */
.agenda-section {
    padding: var(--section-padding) 0; background: var(--midnight); position: relative;
}
.agenda-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}
.agenda-inner { max-width: 1200px; margin: 0 auto; padding: 0 var(--container-padding); }

/* ===== DUAL-STAGE SCHEDULE LAYOUT ===== */
.stage-headers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 32px;
    padding-left: 100px;
}
.stage-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    padding: 14px 20px;
    border-radius: 8px;
    text-align: center;
    justify-content: center;
}
.stage-header-arena {
    color: var(--cyan);
    background: rgba(6, 253, 216, 0.06);
    border: 1px solid rgba(6, 253, 216, 0.2);
}
.stage-header-ballroom {
    color: var(--gold);
    background: rgba(251, 191, 36, 0.06);
    border: 1px solid rgba(251, 191, 36, 0.2);
}
.stage-icon { font-size: 1.1rem; }

.dual-stage-timeline {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.timeslot-row {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 20px;
    align-items: stretch;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--ease-out-expo);
}
.timeslot-row.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeslot-time {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--cyan);
    padding-top: 18px;
    text-align: right;
    white-space: nowrap;
}

.timeslot-stages {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.timeslot-full .timeslot-stages {
    grid-template-columns: 1fr;
}

.stage-card {
    padding: 22px 24px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
}
.stage-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.stage-arena {
    border-left: 3px solid var(--cyan);
}
.stage-arena:hover {
    border-color: var(--cyan-bright);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(6, 253, 216, 0.1);
}

.stage-ballroom {
    border-left: 3px solid var(--gold);
}
.stage-ballroom:hover {
    border-color: var(--gold);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px rgba(251, 191, 36, 0.1);
}

.stage-both {
    border-left: 3px solid var(--violet-bright);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(6, 253, 216, 0.05));
    text-align: center;
}
.stage-both:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), 0 0 20px var(--violet-glow);
}

.stage-empty {
    border-left: 3px solid rgba(255, 255, 255, 0.08);
    opacity: 0.4;
}

.stage-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 10px;
}
.label-arena {
    color: var(--cyan);
    background: rgba(6, 253, 216, 0.1);
    border: 1px solid rgba(6, 253, 216, 0.2);
}
.label-ballroom {
    color: var(--gold);
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.2);
}
.label-both {
    color: var(--violet-bright);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.stage-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.3;
}
.stage-desc {
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--gray-500);
    margin: 0;
}
.stage-desc-empty {
    color: var(--gray-700);
    font-size: 1.2rem;
    text-align: center;
    padding: 12px 0;
}

/* Responsive: dual-stage */
@media (max-width: 900px) {
    .stage-headers {
        padding-left: 0;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .timeslot-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .timeslot-time {
        text-align: left;
        padding-top: 0;
        padding-bottom: 4px;
        border-bottom: 1px solid rgba(6, 253, 216, 0.15);
        margin-bottom: 4px;
    }
    .timeslot-stages {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .stage-header { font-size: 0.65rem; padding: 10px 14px; }
}

.agenda-timeline { position: relative; padding-left: 40px; }
.agenda-timeline::before {
    content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
    width: 1px; background: linear-gradient(180deg, var(--violet), var(--cyan), var(--violet));
}

.timeline-item {
    position: relative; padding-bottom: 48px;
    opacity: 0; transform: translateX(-30px);
    transition: all 0.6s var(--ease-out-expo);
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
    position: absolute; left: -40px; top: 4px;
    width: 15px; height: 15px; border-radius: 50%;
    background: var(--midnight); border: 2px solid var(--violet);
    box-shadow: 0 0 12px var(--violet-glow); transition: all 0.3s ease;
}
.timeline-item:hover .timeline-marker {
    background: var(--violet); box-shadow: 0 0 20px var(--violet-glow); transform: scale(1.3);
}

.timeline-content {
    padding: 20px 28px;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    border-radius: 12px; backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-out-expo);
}
.timeline-item:hover .timeline-content {
    border-color: var(--violet); transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.timeline-time {
    font-family: var(--font-mono); font-size: 0.65rem; font-weight: 600;
    letter-spacing: 2px; color: var(--cyan); display: block; margin-bottom: 8px;
}
.timeline-title {
    font-family: var(--font-display); font-size: 1rem; font-weight: 700;
    letter-spacing: 1px; color: var(--white); margin-bottom: 8px;
}
.timeline-desc { font-size: 0.85rem; line-height: 1.6; color: var(--gray-500); }

/* ===== SPONSORSHIPS SECTION ===== */
.sponsorships-section {
    padding: var(--section-padding) 0; background: var(--midnight-deep);
    position: relative; overflow: hidden;
}
.sponsorships-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}
.sponsorships-section::after {
    content: ''; position: absolute; bottom: 10%; left: -8%;
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(6, 253, 216, 0.12) 0%, transparent 70%);
    pointer-events: none; animation: glowPulse 10s ease-in-out infinite alternate;
}
.sponsorships-inner {
    max-width: var(--container-max); margin: 0 auto;
    padding: 0 var(--container-padding); position: relative; z-index: 1;
}

.sponsor-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

.sponsor-tier {
    position: relative; border-radius: 16px; overflow: hidden;
    transform: translateY(50px); opacity: 0;
    transition: transform 0.8s var(--ease-out-expo), opacity 0.8s var(--ease-out-expo);
}
.sponsor-tier.visible { transform: translateY(0); opacity: 1; }

.tier-glow {
    position: absolute; inset: -1px; border-radius: 16px;
    opacity: 0; transition: opacity 0.5s ease; z-index: 0;
}
.tier-platinum .tier-glow { background: linear-gradient(135deg, var(--cyan), rgba(255,255,255,0.3), var(--cyan)); }
.tier-gold .tier-glow { background: linear-gradient(135deg, var(--gold), rgba(255,255,255,0.2), var(--gold)); }
.tier-silver .tier-glow { background: linear-gradient(135deg, var(--gray-400), rgba(255,255,255,0.15), var(--gray-400)); }
.sponsor-tier:hover .tier-glow { opacity: 1; }

.tier-inner {
    position: relative; z-index: 1; padding: 40px 32px; text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border); border-radius: 16px;
    transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s ease;
}
.sponsor-tier:hover .tier-inner {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px var(--glass-glow);
}

.tier-badge {
    font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700;
    letter-spacing: 3px; margin-bottom: 16px;
}
.tier-platinum .tier-badge { color: var(--cyan); }
.tier-gold .tier-badge { color: var(--gold); }
.tier-silver .tier-badge { color: var(--gray-400); }

.tier-name {
    font-family: var(--font-display); font-size: 1.3rem; font-weight: 800;
    letter-spacing: 2px; color: var(--white); margin-bottom: 12px;
}
.tier-price {
    font-family: var(--font-display); font-size: 2.2rem; font-weight: 900;
    color: var(--white); margin-bottom: 28px;
    background: linear-gradient(135deg, var(--white), var(--gray-300));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.tier-perks {
    list-style: none; margin-bottom: 32px; text-align: left;
}
.tier-perks li {
    font-size: 0.85rem; color: var(--gray-400); padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    padding-left: 20px; position: relative;
}
.tier-perks li::before {
    content: '✓'; position: absolute; left: 0;
    color: var(--cyan); font-weight: 700; font-size: 0.75rem;
}

.tier-cta {
    display: inline-block;
    font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
    letter-spacing: 2px; color: var(--midnight);
    background: linear-gradient(135deg, var(--cyan), var(--cyan-bright));
    padding: 12px 28px; border-radius: 4px;
    transition: all 0.3s var(--ease-out-expo);
    box-shadow: 0 0 20px var(--cyan-glow);
}
.tier-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 30px var(--cyan-glow);
}

/* ===== VENUE SECTION ===== */
.venue-section {
    padding: var(--section-padding) 0; background: var(--midnight);
    position: relative; overflow: hidden;
}
.venue-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}
.venue-inner {
    max-width: var(--container-max); margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.venue-title {
    font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900; line-height: 1; letter-spacing: -1px;
    color: var(--white); margin-bottom: 24px;
}
.venue-desc { font-size: 1rem; line-height: 1.8; color: var(--gray-400); margin-bottom: 36px; }
.venue-details { display: flex; flex-direction: column; gap: 20px; }
.venue-detail { display: flex; flex-direction: column; gap: 4px; padding-left: 16px; border-left: 2px solid var(--violet); }
.detail-label { font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600; letter-spacing: 3px; color: var(--violet-bright); }
.detail-value { font-size: 0.9rem; color: var(--gray-300); }

.venue-visual { position: relative; }
.venue-image-frame { position: relative; border-radius: 16px; overflow: hidden; }
.venue-image { width: 100%; height: 400px; object-fit: cover; border-radius: 16px; transition: transform 0.8s var(--ease-out-expo); }
.venue-image-frame:hover .venue-image { transform: scale(1.03); }
.venue-image-border { position: absolute; inset: 0; border-radius: 16px; border: 1px solid var(--glass-border); pointer-events: none; }

/* ===== REGISTER SECTION ===== */
.register-section {
    padding: var(--section-padding) 0; background: var(--midnight-deep);
    position: relative; overflow: hidden; text-align: center;
}
.register-section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 1px; background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}
.register-inner { max-width: 700px; margin: 0 auto; padding: 0 var(--container-padding); position: relative; }
.register-bg-text {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-family: var(--font-display); font-size: clamp(6rem, 20vw, 16rem);
    font-weight: 900; letter-spacing: -4px; color: var(--midnight-light);
    pointer-events: none; user-select: none; opacity: 0.3;
}
.register-title {
    font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900; line-height: 1; letter-spacing: -1px;
    color: var(--white); margin-bottom: 20px; position: relative;
}
.register-desc { font-size: 1.05rem; line-height: 1.7; color: var(--gray-400); margin-bottom: 40px; position: relative; }
.register-btns { position: relative; }

/* ===== GLOBAL EXPANSION ===== */
.expansion-section {
    padding: 100px 0;
    position: relative;
    text-align: center;
    background: linear-gradient(180deg, var(--midnight) 0%, rgba(20, 15, 30, 0.95) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.expansion-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(6, 253, 216, 0.3), transparent);
    position: absolute;
    top: 0; left: 0;
}
.expansion-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}
.expansion-title {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}
.expansion-word {
    display: inline-block;
    color: var(--white);
}
.expansion-word.accent {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--violet-bright) 50%, var(--cyan) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease-in-out infinite, sectionPulse 4s ease-in-out infinite;
    filter: drop-shadow(0 0 30px var(--cyan-glow));
}
.expansion-subtitle {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--cyan);
    animation: sectionPulse 4s ease-in-out infinite;
}

@keyframes sectionPulse {
    0%, 100% { opacity: 0.8; filter: drop-shadow(0 0 15px rgba(6, 253, 216, 0.2)); }
    50% { opacity: 1; filter: drop-shadow(0 0 40px rgba(6, 253, 216, 0.8)); }
}

/* ===== FOOTER ===== */
.site-footer { padding: 60px 0; background: var(--midnight-deep); border-top: 1px solid var(--glass-border); }
.footer-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.footer-top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-tagline { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 3px; color: var(--gray-500); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; }
.footer-copy, .footer-credits { font-size: 0.78rem; color: var(--gray-600); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .architects-grid { grid-template-columns: repeat(2, 1fr); }
    .architect-card:last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
    .venue-inner { grid-template-columns: 1fr; gap: 48px; }
    .sponsor-tiers { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

@media (max-width: 768px) {
    :root { --section-padding: 80px; --container-padding: 24px; }
    .nav-links { display: none; }
    .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: 80px; left: 0; right: 0;
        background: rgba(6, 10, 24, 0.95);
        backdrop-filter: blur(20px); padding: 24px;
        border-bottom: 1px solid var(--glass-border); gap: 20px;
    }
    .nav-hamburger { display: flex; }
    .nav-inner { height: 64px; }
    .hero-content { padding-top: 64px; }
    .hero-headline { font-size: 1rem; }
    .hero-btns { flex-direction: column; }
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 1.8rem; }
    .architects-grid { grid-template-columns: 1fr; }
    .architect-card:last-child { max-width: none; }
    .footer-top, .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
    .title-line-1 { font-size: 3rem; }
    .title-line-2 { font-size: 3.5rem; }
    .title-word { margin-right: 8px; }
    .tag-line { width: 20px; }
    .tag-text { font-size: 0.75rem; letter-spacing: 3px; }
}

/* ===== SCANLINE EFFECT ===== */
body::after {
    content: ''; position: fixed; inset: 0; z-index: 9999; pointer-events: none;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.015) 2px, rgba(0,0,0,0.015) 4px);
}