:root {
  --bg: #0a0a0a;
  --bg2: #111111;
  --bg3: #181818;
  --orange: #f97316;
  --amber: #fbbf24;
  --orange-dim: rgba(249, 115, 22, 0.12);
  --white: #f5f5f0;
  --muted: #888;
  --border: rgba(255, 255, 255, 0.07);
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--orange);
  border-radius: 2px;
}

/* ── NAV ── */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.logo img {
  height: 120px;
  width: auto;
}

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

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--orange);
}

.nav-cta {
  background: var(--orange);
  color: #000;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 20px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: var(--amber);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: url("hero-bg.png") center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.92) 0%,
    rgba(10, 10, 10, 0.75) 50%,
    rgba(249, 115, 22, 0.08) 100%
  );
}

/* animated grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(249, 115, 22, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249, 115, 22, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  to {
    background-position: 60px 60px;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 20px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--orange);
  text-transform: uppercase;
  border: 1px solid rgba(249, 115, 22, 0.4);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 160px);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--white);
  animation: fadeUp 0.7s 0.1s ease both;
}

h1 span {
  color: var(--orange);
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 20px;
  animation: fadeUp 0.7s 0.2s ease both;
}

.prize-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  color: #000;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.05em;
  padding: 12px 32px;
  border-radius: 6px;
  margin-top: 36px;
  animation: fadeUp 0.7s 0.3s ease both;
  box-shadow: 0 0 40px rgba(249, 115, 22, 0.4);
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 32px;
  animation: fadeUp 0.7s 0.4s ease both;
}

.btn-primary {
  background: var(--orange);
  color: #000;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: var(--amber);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
}

.btn-ghost {
  color: var(--white);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.hero-meta {
  margin-top: 60px;
  display: flex;
  gap: 48px;
  justify-content: center;
  animation: fadeUp 0.7s 0.5s ease both;
}

.meta-item {
  text-align: center;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.meta-val {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--white);
  letter-spacing: 0.05em;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── TICKER ── */
.ticker {
  background: var(--orange);
  color: #000;
  overflow: hidden;
  padding: 10px 0;
}

.ticker-inner {
  display: flex;
  gap: 80px;
  white-space: nowrap;
  animation: ticker 18s linear infinite;
}

.ticker-inner span {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.ticker-dot {
  color: rgba(0, 0, 0, 0.4);
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* ── SECTION COMMONS ── */
section {
  padding: 100px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--white);
}

.section-title em {
  color: var(--orange);
  font-style: normal;
}

/* ── ABOUT ── */
#about {
  background: var(--bg2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
  margin-top: 24px;
}

.about-img-wrap {
  position: relative;
}

.about-img-wrap img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
}

.about-img-fallback {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 60px;
  color: var(--orange-dim);
}

.about-img-wrap::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(249, 115, 22, 0.25);
  border-radius: 8px;
  pointer-events: none;
  transform: translate(8px, 8px);
  z-index: -1;
}

.stats-row {
  display: flex;
  gap: 32px;
  margin-top: 36px;
}

.stat {
  flex: 1;
  border-left: 2px solid var(--orange);
  padding-left: 16px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--white);
}

.stat-desc {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── EVENTS ── */
#events {
  background: var(--bg);
}

.events-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 60px;
}

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

.event-card {
  background: var(--bg2);
  padding: 40px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.event-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.event-card:hover::before {
  transform: scaleX(1);
}

.event-card:hover {
  background: var(--bg3);
  transform: translateY(-2px);
}

.card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: 20px;
}

.card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.event-card h3 {
  font-family: var(--font-display);
  font-size: 32px;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 12px;
}

.event-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag {
  background: var(--orange-dim);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.fee-display {
  display: flex;
  flex-direction: column;
}

.fee-lbl {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.fee-amount {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--amber);
  letter-spacing: 0.03em;
}

.card-reg-btn {
  background: transparent;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-reg-btn:hover {
  background: var(--orange);
  color: #000;
}

/* ── SUB-EVENTS ACCORDION ── */
.sub-events {
  margin-top: 16px;
}

.sub-event {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 4px;
  overflow: hidden;
}

.sub-event-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
  transition: color 0.2s;
}

.sub-event-header:hover {
  color: var(--orange);
}

.sub-event-body {
  padding: 0 16px 12px;
  color: var(--muted);
  font-size: 13px;
  display: none;
}

.sub-event.open .sub-event-body {
  display: block;
}

.chevron {
  transition: transform 0.2s;
}

.sub-event.open .chevron {
  transform: rotate(180deg);
}

/* ── EXPERIENCES ── */
#experiences {
  background: var(--bg2);
}

.exp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 60px;
}

.exp-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

.exp-card::after {
  content: attr(data-label);
  position: absolute;
  bottom: 24px;
  right: 24px;
  font-family: var(--font-display);
  font-size: 80px;
  color: rgba(249, 115, 22, 0.04);
  pointer-events: none;
  line-height: 1;
}

.exp-icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--orange-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.exp-card h3 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--white);
  margin-bottom: 12px;
}

.exp-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ── REGISTRATION ── */
#registration {
  background: var(--bg);
}

.reg-container {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.reg-header {
  background: linear-gradient(135deg, var(--orange), #ea580c);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.reg-header h3 {
  font-family: var(--font-display);
  font-size: 48px;
  color: #000;
  line-height: 1;
}

.reg-header .deadline {
  text-align: right;
}

.deadline-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(0, 0, 0, 0.5);
  text-transform: uppercase;
}

.deadline-date {
  font-family: var(--font-display);
  font-size: 28px;
  color: #000;
}

.reg-body {
  padding: 48px;
}

.fee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.fee-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fee-card-name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.fee-card-price {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--amber);
  line-height: 1;
}

.fee-card-events {
  font-size: 13px;
  color: var(--muted);
}

.reg-btns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.reg-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 16px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.2s;
}

.reg-btn:hover {
  border-color: var(--orange);
  background: var(--orange-dim);
  transform: translateY(-2px);
}

.reg-btn-name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}

.reg-btn-price {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--orange);
}

.reg-btn-arrow {
  font-size: 18px;
  color: var(--orange);
  margin-top: 4px;
}

.reg-note {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--orange-dim);
  border-left: 3px solid var(--orange);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── PRIZES ── */
#prizes {
  background: var(--bg2);
}

.prizes-hero {
  text-align: center;
  padding: 60px 0;
  position: relative;
}

.prize-main-amt {
  font-family: var(--font-display);
  font-size: clamp(80px, 14vw, 140px);
  line-height: 1;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.prize-main-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 8px;
}

.prizes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.prize-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
}

.prize-card:hover {
  background: var(--bg3);
}

.prize-card.highlight {
  border-color: var(--orange);
  background: var(--orange-dim);
}

.prize-emoji {
  font-size: 40px;
  margin-bottom: 16px;
}

.prize-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.prize-card p {
  color: var(--muted);
  font-size: 13px;
}

/* ── PARTNERS ── */
#partners {
  background: var(--bg);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.partner-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 36px 28px;
}

.partner-year {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.partner-card h4 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.partner-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

footer .logo img {
  height: 36px;
  margin-bottom: 16px;
}

footer p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

footer a {
  color: var(--orange);
  text-decoration: none;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--orange);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: var(--white);
}

.contact-item {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  header {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .container {
    padding: 0 20px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .reg-btns {
    grid-template-columns: 1fr 1fr;
  }

  .reg-header {
    flex-direction: column;
    gap: 16px;
  }

  .hero-meta {
    gap: 24px;
    flex-wrap: wrap;
  }

  .events-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}