/* ═══════════════════════════════════════════
   10x Vibecode Hackathon — Black & White Theme
   ═══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── CUSTOM SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f5f5f5; }
::-webkit-scrollbar-thumb {
  background: #0a0a0a;
  border-radius: 100px;
}
::-webkit-scrollbar-thumb:hover { background: #333333; }
* { scrollbar-width: thin; scrollbar-color: #0a0a0a #f5f5f5; }

:root {
  --bg: #ffffff;
  --bg-elevated: #f5f5f5;
  --bg-card: #f9f9f9;
  --border: #e0e0e0;
  --border-light: #c0c0c0;
  --text: #0a0a0a;
  --text-muted: #555555;
  --text-dim: #999999;
  --accent-green: #0a0a0a;
  --accent-blue: #0a0a0a;
  --frame-green: #0a0a0a;
  --frame-yellow: #0a0a0a;
  --frame-red: #0a0a0a;
  --frame-purple: #0a0a0a;
  --radius: 16px;
  --radius-sm: 10px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 0 48px; height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}
nav.nav-hidden { transform: translateY(-100%); }
nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(255,255,255,0.97);
}

.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text);
}
.nav-logo-icon { flex-shrink: 0; display: flex; }
.nav-logo-text {
  display: flex; flex-direction: column;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  line-height: 1.25;
}
.nav-logo-text span:last-child { font-weight: 400; color: var(--text-muted); }

.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-social {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); text-decoration: none;
  transition: all 0.2s;
}
.nav-social:hover { color: var(--text); border-color: var(--border-light); background: var(--bg-card); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  padding: 72px 0 0;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.055) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, transparent 25%, black 75%);
  mask-image: radial-gradient(ellipse at 50% 50%, transparent 25%, black 75%);
  pointer-events: none; z-index: 0;
}
.hero-inner {
  position: relative;
  width: 100%; max-width: 1280px;
  min-height: calc(100vh - 72px);
  padding: 60px 48px 80px;
  display: flex; align-items: center; justify-content: center;
}

/* Floating People Cards */
.floating-card {
  position: absolute;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
.floating-card:nth-child(even) { animation-delay: -3s; }

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

.card-frame {
  width: 110px; height: 130px;
  border-radius: 14px;
  overflow: hidden;
  border: 3px solid;
  position: relative;
}
.card-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.frame-green  { border-color: var(--frame-green); }
.frame-yellow { border-color: var(--frame-yellow); }
.frame-red    { border-color: var(--frame-red); }
.frame-purple { border-color: var(--frame-purple); }

.card-badge {
  position: absolute;
  bottom: -8px; left: 50%; transform: translateX(-50%);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 9px; font-weight: 700; letter-spacing: 1.5px;
  padding: 3px 10px; border-radius: 4px;
  white-space: nowrap;
}
.badge-red    { background: var(--frame-red); color: white; }
.badge-green  { background: var(--frame-green); color: #0a0a0a; }
.badge-purple { background: var(--frame-purple); color: white; }

.card-arrow {
  position: absolute;
  top: -6px; right: -4px;
  width: 0; height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 8px solid;
}
.arrow-red    { border-bottom-color: var(--frame-red); }
.arrow-green  { border-bottom-color: var(--frame-green); }
.arrow-purple { border-bottom-color: var(--frame-purple); }

/* Card positions */
.card-1 { top: 12%; left: 8%; animation-duration: 7s; }
.card-2 { top: 35%; left: 3%; animation-duration: 5.5s; animation-delay: -1s; }
.card-3 { top: 60%; left: 10%; animation-duration: 6.5s; animation-delay: -2s; }
.card-4 { top: 8%; right: 10%; animation-duration: 6s; animation-delay: -1.5s; }
.card-5 { top: 30%; right: 3%; animation-duration: 5s; animation-delay: -3.5s; }
.card-6 { top: 55%; right: 12%; animation-duration: 7.5s; animation-delay: -0.5s; }
.card-7 { top: 72%; right: 5%; animation-duration: 6s; animation-delay: -4s; }

/* Hero Center Content */
.hero-center {
  position: relative; z-index: 3;
  text-align: center;
  max-width: 1040px;
  width: 100%;
}
.hero-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ── MARQUEE ── */
.marquee-strip {
  background: #0a0a0a;
  padding: 15px 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 32s linear infinite;
}
.marquee-content {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 14px;
  white-space: nowrap;
}
.marquee-content span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 3px;
  color: rgba(255,255,255,0.85);
}
.marquee-content .msep {
  color: rgba(255,255,255,0.25);
  font-size: 7px; letter-spacing: 0;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marquee-scroll-reverse {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}
.marquee-strip--info {
  background: #ffffff;
  border-top: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
}
.marquee-strip--info .marquee-content span {
  color: rgba(10,10,10,0.75);
}
.marquee-strip--info .marquee-content .msep {
  color: rgba(10,10,10,0.2);
}
.marquee-track--reverse {
  animation: marquee-scroll-reverse 38s linear infinite;
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  display: flex; flex-direction: column;
  line-height: 0.95;
  letter-spacing: -2px;
}
.hero-title span:nth-child(1) {
  font-size: clamp(72px, 10.5vw, 140px);
}
.hero-title span:nth-child(2) {
  font-size: clamp(72px, 10.5vw, 140px);
}
.hero-title span:nth-child(3) {
  font-size: clamp(72px, 10.5vw, 140px);
}

.hero-date-row {
  display: flex; justify-content: center;
  margin-top: 32px;
}
.hero-date-badge {
  display: inline-flex; align-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px; font-weight: 500; letter-spacing: 2px;
  color: var(--text-muted);
  padding: 10px 32px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.hero-cta-row {
  display: flex; align-items: center; gap: 28px;
  margin-top: 36px; justify-content: center;
  flex-wrap: wrap;
}

.btn-register {
  display: inline-flex; align-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 600; letter-spacing: 1.5px;
  color: #ffffff; background: #0a0a0a;
  padding: 16px 36px; border-radius: var(--radius-sm);
  text-decoration: none; white-space: nowrap;
  transition: all 0.2s;
}
.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}
.btn-register-lg {
  padding: 18px 44px;
  font-size: 14px;
}

.hero-desc {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.7; text-align: left;
}

/* ── INFO SECTION ── */
#info {
  background: #0a0a0a;
  border-top: none;
  padding: 64px 48px;
}
.info-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.info-col { text-align: center; }
.info-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px; font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
  color: #ffffff;
}
.info-text {
  font-size: 14px; color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

/* ── SECTION COMMONS ── */
.section-inner { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
#about, #tracks, #team, #schedule, #prizes, #faq, #cta {
  padding: 100px 0;
}
#about { background: var(--bg); }
#tracks { background: var(--bg-card); }
#team { background: var(--bg); }
#schedule { background: #0a0a0a; }
#prizes { background: var(--bg); }
#faq { background: var(--bg-card); }
#cta { background: var(--bg); padding: 80px 0 120px; }
#cta .section-inner { padding: 0; }

.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 3px; color: var(--text-muted);
  margin-bottom: 16px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: #0a0a0a;
  border-radius: 50%;
  flex-shrink: 0;
}
.section-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700; line-height: 1.05;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 20px;
}
.accent-text {
  color: var(--accent-green);
}
.section-body {
  font-size: 15px; color: var(--text-muted);
  max-width: 480px; line-height: 1.75;
}
.section-body.center { text-align: center; margin: 0 auto; }

/* ── ABOUT ── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start;
}
.about-body {
  font-size: 15px; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 16px;
}
.about-body strong { color: var(--text); font-weight: 600; }

.rule-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-bottom: 20px;
  position: relative; overflow: hidden;
}
.rule-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-green);
}
.rule-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 2px;
  color: var(--accent-green); margin-bottom: 12px;
}
.rule-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 600;
  color: var(--text); line-height: 1.4;
}

.stat-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  transition: all 0.2s;
}
.stat-tile:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 56px; font-weight: 700;
  color: var(--accent-green);
  line-height: 1; margin-bottom: 4px;
}
.stat-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 2px;
  color: var(--text-muted);
}

/* ── TOOLS MARQUEE ── */
#tools {
  background: #0d0d12;
  padding: 64px 0 56px;
  overflow: hidden;
  text-align: center;
}
.tools-header {
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
  margin-bottom: 36px;
}
.tools-header .section-tag {
  color: rgba(255,255,255,0.3);
  margin-bottom: 0;
}
.tools-header .section-tag::before {
  background: rgba(255,255,255,0.3);
}
.tools-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 4px;
  color: rgba(255,255,255,0.5);
}
.tools-marquee {
  overflow: hidden;
  position: relative;
  width: 100%;
}
.tools-marquee::before,
.tools-marquee::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 120px; z-index: 2;
  pointer-events: none;
}
.tools-marquee::before {
  left: 0;
  background: linear-gradient(90deg, #0d0d12, transparent);
}
.tools-marquee::after {
  right: 0;
  background: linear-gradient(-90deg, #0d0d12, transparent);
}
.tools-track {
  display: flex;
  width: max-content;
  animation: tools-scroll 28s linear infinite;
  will-change: transform;
  transform: translateZ(0);
}
.tools-track:hover { animation-play-state: paused; }
.tools-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 6px;
}
.tool-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px;
  color: rgba(255,255,255,0.55);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 9px 18px;
  white-space: nowrap;
  transition: all 0.2s;
  cursor: default;
}
.tool-pill:hover {
  color: #ffffff;
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.05);
}
.tool-pill svg { opacity: 0.6; flex-shrink: 0; transition: opacity 0.2s; }
.tool-pill:hover svg { opacity: 1; }
@keyframes tools-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── TRACKS ── */
.tracks-header {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: end;
  margin-bottom: 48px;
}
.track-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.track-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.25s;
}
.track-card:hover {
  background: #0a0a0a;
  border-color: #0a0a0a;
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}
.track-card:hover .track-num,
.track-card:hover .track-desc {
  color: rgba(255,255,255,0.5);
}
.track-card:hover .track-name {
  color: #ffffff;
}
.track-card:hover .track-for {
  color: rgba(255,255,255,0.4);
}
.track-card:hover .track-icon {
  filter: grayscale(0) brightness(1.2);
}
.track-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.track-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 2px;
  color: var(--text-dim); margin-bottom: 8px;
}
.track-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px; font-weight: 700;
  color: var(--text); margin-bottom: 6px;
}
.track-for {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  color: var(--accent-green); margin-bottom: 14px;
}
.track-desc {
  font-size: 14px; color: var(--text-muted); line-height: 1.7;
}

/* ── TEAM ── */
.team-header { text-align: center; margin-bottom: 52px; }
.team-cards {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.25s;
}
.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}
.team-card-img {
  width: 100%; aspect-ratio: 1;
  overflow: hidden;
  border-bottom: 2px solid var(--border);
}
.team-avatar {
  display: flex; align-items: center; justify-content: center;
  background: #0a0a0a;
}
.team-avatar span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px; font-weight: 700;
  color: #ffffff; letter-spacing: 2px;
  user-select: none;
}
.team-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.team-card:hover .team-card-img img { transform: scale(1.05); }
.team-card-info {
  padding: 18px 20px;
}
.team-card-info h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 700;
  margin-bottom: 4px;
}
.team-card-info p {
  font-size: 12px; color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ── SCHEDULE ── */
#schedule { background: #0a0a0a; }
#schedule .section-tag { color: rgba(255,255,255,0.3); }
#schedule .section-tag::before { background: rgba(255,255,255,0.3); }
#schedule .section-heading { color: #ffffff; }
#schedule .accent-text { color: rgba(255,255,255,0.4); }
#schedule .section-body { color: rgba(255,255,255,0.35); }

.schedule-head {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: end;
  margin-bottom: 72px;
}

.timeline {
  position: relative;
  display: flex; flex-direction: column;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 108px;
  top: 6px; bottom: 6px; width: 1px;
  background: rgba(255,255,255,0.08);
}

.tl-item {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding-bottom: 36px;
  position: relative;
}
.tl-item:last-child { padding-bottom: 0; }

.tl-time {
  width: 96px;
  flex-shrink: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  color: rgba(255,255,255,0.25);
  text-align: right;
  padding-right: 0;
  padding-top: 2px;
  line-height: 1.4;
}
.tl-item.tl-key .tl-time { color: rgba(255,255,255,0.55); }

.tl-node {
  width: 24px; flex-shrink: 0;
  display: flex; justify-content: center;
  padding-top: 5px;
  position: relative; z-index: 1;
}
.tl-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.tl-item.tl-key .tl-dot {
  width: 10px; height: 10px;
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 0 16px rgba(255,255,255,0.35);
  margin-top: -1px;
}

.tl-card {
  flex: 1;
  padding-left: 28px;
}
.tl-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 9px; font-weight: 700; letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  display: inline-block;
  padding: 3px 8px;
  margin-bottom: 8px;
}
.tl-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px; font-weight: 700;
  color: rgba(255,255,255,0.3);
  margin-bottom: 5px; line-height: 1.25;
}
.tl-item.tl-key .tl-name { color: #ffffff; }
.tl-desc {
  font-size: 13px; color: rgba(255,255,255,0.25);
  line-height: 1.65;
}
.tl-item.tl-key .tl-desc { color: rgba(255,255,255,0.5); }

.tl-featured .tl-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 18px 22px;
  margin-top: -4px;
}

/* ── PRIZES ── */
.prizes-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-bottom: 16px;
}
.prize-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative; overflow: hidden;
  transition: all 0.25s;
}
.prize-card:hover { transform: translateY(-4px); border-color: var(--border-light); }
.prize-top {
  border-color: rgba(0,0,0,0.25);
  background: linear-gradient(145deg, rgba(0,0,0,0.04), var(--bg-card));
}
.prize-top::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-green);
}
.prize-ribbon {
  position: absolute; top: 18px; right: -2px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  color: #ffffff; background: #0a0a0a;
  padding: 4px 14px 4px 10px;
  border-radius: 4px 0 0 4px;
}
.prize-medal {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.prize-place {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px; font-weight: 700;
  color: var(--text); margin-bottom: 4px;
}
.prize-sub {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px; font-weight: 600; letter-spacing: 2px;
  color: var(--text-muted); margin-bottom: 20px;
}
.prize-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.prize-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-muted); line-height: 1.5;
}
.prize-list li::before {
  content: '✓'; color: var(--accent-green); font-weight: 700;
  font-size: 12px; flex-shrink: 0;
}

.special-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.special-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  display: flex; align-items: center; gap: 16px;
  transition: all 0.2s;
}
.special-card:hover { border-color: var(--border-light); transform: translateY(-2px); }
.special-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(0,0,0,0.07);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.special-card h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px; font-weight: 700;
  margin-bottom: 2px;
}
.special-card p { font-size: 13px; color: var(--text-muted); }

/* ── FAQ ── */
.faq-layout {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 80px; align-items: start;
}
.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden; transition: all 0.2s;
}
.faq-item:hover { border-color: var(--border-light); }
.faq-q {
  padding: 18px 22px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  user-select: none;
}
.faq-q-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px; font-weight: 600; color: var(--text);
}
.faq-arrow {
  font-size: 20px; color: var(--text-muted);
  transition: all 0.25s; flex-shrink: 0; line-height: 1;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); color: #0a0a0a; }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s;
  font-size: 14px; color: var(--text-muted);
  line-height: 1.75; padding: 0 22px;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 22px 18px; }
.faq-item.open { border-color: rgba(0,0,0,0.25); }

/* ── CTA ── */
.cta-band {
  background: #0a0a0a;
  border-radius: var(--radius);
  padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; top: -80px; right: -80px;
  width: 280px; height: 280px; border-radius: 50%;
  background: rgba(0,0,0,0.06); pointer-events: none;
}
.cta-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px; font-weight: 700;
  color: #ffffff; margin-bottom: 8px; line-height: 1.1;
}
.cta-content p { font-size: 15px; color: rgba(255,255,255,0.65); line-height: 1.6; }
.cta-band .btn-register {
  background: #ffffff; color: #0a0a0a;
}
.cta-band .btn-register:hover {
  box-shadow: 0 8px 28px rgba(255,255,255,0.25);
}

/* ── FOOTER ── */
footer {
  background: var(--bg);
  padding: 0;
}
.footer-inner { width: 100%; padding: 0 48px; }
.footer-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 32px; flex-wrap: wrap; gap: 24px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px; font-weight: 700; color: var(--text);
}
.footer-tagline { font-size: 12px; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; color: var(--text-muted);
  text-decoration: none; transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-dim);
  flex-wrap: wrap; gap: 12px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  color: var(--text-dim); transition: color 0.2s;
}
.footer-social a:hover { color: var(--text); }

/* ── REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner { padding: 40px 24px 60px; }
  .info-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .tracks-header { grid-template-columns: 1fr; gap: 20px; }
  .track-cards { grid-template-columns: 1fr; }
  .team-cards { grid-template-columns: repeat(3, 1fr); }
  .schedule-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 48px; }
  .timeline::before { left: 80px; }
  .tl-time { width: 68px; font-size: 9px; }
  .prizes-grid { grid-template-columns: 1fr; }
  .special-row { grid-template-columns: 1fr; }
  .faq-layout { grid-template-columns: 1fr; gap: 40px; }
  .cta-band { flex-direction: column; text-align: center; align-items: center; }
  .section-inner { padding: 0 24px; }
  nav { padding: 0 24px; }
  #info { padding: 48px 24px; }
  footer { padding: 0; }
  .footer-inner { padding: 0 24px; }
}

@media (max-width: 640px) {
  .hero-title span {
    font-size: clamp(32px, 10vw, 56px) !important;
  }
  .hero-cta-row { flex-direction: column; align-items: center; }
  .hero-desc { text-align: center; }
  .team-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-links { flex-wrap: wrap; gap: 16px; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}