:root {
  color-scheme: dark;
  --black: #050403;
  --ink: #fff8eb;
  --muted: #c4b59a;
  --green: #57b04d;
  --green-deep: #2d6b28;
  --green-glow: #79f2a6;
  --orange: #f7931a;
  --orange-hot: #ffb000;
  --orange-deep: #c86400;
  --teal: #2dd4bf;
  --lime: #a3e635;
  --yellow: #facc15;
  --line: rgba(255, 181, 64, 0.28);
  --panel: rgba(5, 4, 3, 0.82);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  --stroke: 3px;
  font-family: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  overflow-x: hidden;
}

.grain-filter {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}

/* Poster-style outlined headlines */
.poster-headline,
.poster-section-title {
  font-family: "Archivo Black", "Space Grotesk", sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
  color: #fff;
  text-shadow:
    var(--stroke) var(--stroke) 0 var(--orange-deep),
    calc(var(--stroke) * -1) var(--stroke) 0 var(--orange-deep),
    var(--stroke) calc(var(--stroke) * -1) 0 var(--orange-deep),
    calc(var(--stroke) * -1) calc(var(--stroke) * -1) 0 var(--orange-deep),
    0 var(--stroke) 0 var(--orange-deep),
    0 calc(var(--stroke) * -1) 0 var(--orange-deep),
    var(--stroke) 0 0 var(--orange-deep),
    calc(var(--stroke) * -1) 0 0 var(--orange-deep);
}

.poster-label {
  font-family: "Archivo Black", sans-serif;
  font-size: 0.95rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(5, 4, 3, 0.94), rgba(5, 4, 3, 0.55));
  border-bottom: 1px solid rgba(87, 176, 77, 0.25);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: min(200px, 42vw);
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  min-height: 40px;
  padding: 10px 14px;
  color: var(--green-glow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  border-radius: 4px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: rgba(247, 147, 26, 0.18);
  outline: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 100px clamp(18px, 5vw, 72px) 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 8% 18%, rgba(45, 212, 191, 0.55), transparent 55%),
    radial-gradient(ellipse 80% 60% at 72% 12%, rgba(163, 230, 53, 0.45), transparent 50%),
    radial-gradient(ellipse 70% 55% at 55% 78%, rgba(247, 147, 26, 0.5), transparent 52%),
    radial-gradient(ellipse 60% 50% at 20% 85%, rgba(250, 204, 21, 0.35), transparent 48%),
    linear-gradient(155deg, #0d3d38 0%, #1a4d20 28%, #3d5a12 52%, #8a4a08 78%, #1a1208 100%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  pointer-events: none;
  filter: url(#grain);
  mix-blend-mode: overlay;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.hero-logo-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 8px;
}

.hero-logo {
  width: min(640px, 94vw);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.35));
}

.hero-version {
  position: absolute;
  right: -4px;
  bottom: 8px;
  margin: 0;
  padding: 4px 10px;
  color: var(--black);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--orange-hot);
  border: 2px solid var(--orange-deep);
  transform: rotate(-4deg);
}

.presented-by {
  margin: 20px 0 10px;
  color: var(--green-deep);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.partners-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 4vw, 36px);
  width: min(920px, 96vw);
  margin: 0 auto 28px;
}

.partner-logo {
  display: block;
  width: auto;
  height: auto;
  max-height: clamp(52px, 10vw, 88px);
  background: transparent;
}

.partner-logo-gdl {
  max-height: clamp(56px, 11vw, 96px);
}

.partner-logo-bitdevs {
  max-height: clamp(44px, 8vw, 72px);
}

.partner-logo-pleblab {
  max-height: clamp(56px, 11vw, 96px);
}

.partners-row-panel {
  justify-content: flex-start;
  width: 100%;
  margin-top: 24px;
  margin-bottom: 0;
}

.partners-row-panel .partner-logo {
  max-height: 56px;
}

.hero .poster-headline {
  max-width: 820px;
  margin: 0 auto 20px;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
}

.hero-copy {
  max-width: 680px;
  margin: 0 auto 28px;
  color: rgba(255, 248, 235, 0.92);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.6;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.event-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  width: 100%;
  max-width: 860px;
  margin: 0 auto 28px;
  overflow: hidden;
  border: 3px solid var(--green-deep);
  box-shadow: var(--shadow);
}

.event-strip div {
  min-width: 0;
  padding: 18px 14px;
  text-align: left;
  background: rgba(5, 4, 3, 0.88);
}

.event-strip span,
.prize-card span,
.eyebrow,
.section-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--green-glow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-kicker {
  max-width: 1180px;
  margin: 0 auto 12px;
  padding: 0 clamp(18px, 5vw, 72px);
  color: var(--orange-hot);
}

.hero-actions,
.cta-card {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  font-family: "Archivo Black", sans-serif;
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  border: 3px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--black);
  background: linear-gradient(180deg, var(--yellow), var(--orange-hot));
  border-color: var(--orange-deep);
  box-shadow: 0 6px 0 var(--orange-deep), 0 12px 40px rgba(247, 147, 26, 0.35);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 4px 0 var(--orange-deep), 0 16px 48px rgba(255, 176, 0, 0.45);
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.button-secondary {
  color: var(--ink);
  background: rgba(5, 4, 3, 0.75);
  border-color: var(--green);
  box-shadow: 0 6px 0 var(--green-deep);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(87, 176, 77, 0.2);
  outline: none;
}

.status-note,
.small-note,
.center-copy {
  color: var(--muted);
}

.status-note {
  max-width: 640px;
  margin: 18px auto 0;
  font-size: 0.95rem;
  overflow-wrap: break-word;
}

.status-note a,
.contact-link,
.site-footer a {
  color: var(--orange-hot);
  font-weight: 700;
  overflow-wrap: anywhere;
}

/* Sections */
.section {
  padding: clamp(70px, 10vw, 120px) clamp(18px, 5vw, 72px);
}

.intro-section {
  background:
    radial-gradient(circle at 20% 30%, rgba(87, 176, 77, 0.12), transparent 40%),
    linear-gradient(180deg, var(--black), #0a1208);
  border-top: 1px solid var(--line);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1fr);
  gap: clamp(28px, 7vw, 80px);
  max-width: 1180px;
  margin: 0 auto;
  align-items: start;
}

.poster-section-title {
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  text-wrap: balance;
}

.panel-title {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
}

.large-copy {
  color: #ead8ba;
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.65;
}

h3 {
  margin: 0;
  font-family: "Archivo Black", sans-serif;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  font-weight: 400;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

p {
  margin-top: 0;
  line-height: 1.65;
}

/* Prize band — poster energy */
.prize-band {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 90% 20%, rgba(247, 147, 26, 0.25), transparent),
    radial-gradient(ellipse 60% 45% at 10% 80%, rgba(45, 212, 191, 0.2), transparent),
    linear-gradient(180deg, #0c140a, var(--black));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.prize-band::after {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  content: "";
  filter: url(#grain);
  mix-blend-mode: overlay;
}

.section-heading {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading p:not(.eyebrow) {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
  color: var(--muted);
  font-size: 1.1rem;
}

.prize-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 1180px;
  margin: 0 auto;
}

.prize-card {
  min-height: 160px;
  padding: 20px;
  background: var(--panel);
  border: 2px solid rgba(87, 176, 77, 0.35);
  box-shadow: 6px 6px 0 rgba(45, 107, 40, 0.5);
}

.prize-card h3 {
  color: #fff;
  text-shadow:
    2px 2px 0 var(--orange-deep),
    -2px 2px 0 var(--orange-deep),
    2px -2px 0 var(--orange-deep),
    -2px -2px 0 var(--orange-deep);
}

.prize-card.grand {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--orange), var(--orange-hot));
  border-color: var(--orange-deep);
  box-shadow: 8px 8px 0 var(--orange-deep);
}

.prize-card.grand span {
  color: rgba(5, 4, 3, 0.7);
}

.prize-card.grand h3 {
  color: var(--black);
  text-shadow: none;
}

/* Audience */
.audience-section {
  background: var(--black);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  max-width: 1120px;
  margin: 0 auto 28px;
}

.role-grid span {
  display: flex;
  min-height: 72px;
  align-items: center;
  padding: 14px 16px;
  color: var(--ink);
  font-weight: 600;
  background: rgba(87, 176, 77, 0.08);
  border: 2px solid rgba(87, 176, 77, 0.3);
  border-left: 4px solid var(--orange);
}

.center-copy {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

/* Split panels */
.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 14px;
  padding-left: clamp(18px, 5vw, 72px);
  padding-right: clamp(18px, 5vw, 72px);
  background: var(--black);
}

.panel {
  min-height: 380px;
  padding: clamp(24px, 5vw, 48px);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.panel p:not(.eyebrow) {
  max-width: 720px;
  color: #e8d5b6;
  font-size: 1.08rem;
}

.panel-hot {
  background:
    linear-gradient(135deg, rgba(247, 147, 26, 0.35), rgba(5, 4, 3, 0.95)),
    var(--black);
  border-color: rgba(247, 147, 26, 0.4);
  box-shadow: 8px 8px 0 rgba(200, 100, 0, 0.35);
}

.panel-cool {
  background:
    linear-gradient(150deg, rgba(45, 212, 191, 0.22), rgba(5, 4, 3, 0.96)),
    var(--black);
  border-color: rgba(87, 176, 77, 0.4);
  box-shadow: 8px 8px 0 rgba(45, 107, 40, 0.35);
}

/* partner logos in panel use .partners-row-panel */

/* Sponsors */
.sponsor-section {
  background:
    radial-gradient(circle at 50% 0%, rgba(247, 147, 26, 0.12), transparent 45%),
    linear-gradient(180deg, #0a0c08, var(--black));
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 1180px;
  margin: 0 auto;
}

.sponsor-grid article {
  min-height: 180px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(87, 176, 77, 0.25);
  border-top: 4px solid var(--orange);
}

.sponsor-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Final CTA */
.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 400px);
  gap: clamp(24px, 6vw, 64px);
  align-items: center;
  padding: clamp(70px, 10vw, 120px) clamp(18px, 5vw, 72px);
  background:
    radial-gradient(ellipse 80% 60% at 30% 40%, rgba(163, 230, 53, 0.2), transparent),
    radial-gradient(ellipse 70% 50% at 80% 60%, rgba(247, 147, 26, 0.28), transparent),
    var(--black);
  border-top: 3px solid var(--green-deep);
}

.cta-logo {
  width: min(280px, 70vw);
  margin-bottom: 16px;
}

.date-banner {
  margin-top: 12px;
  color: var(--green-glow);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cta-card {
  flex-direction: column;
  padding: 24px;
  background: rgba(5, 4, 3, 0.9);
  border: 3px solid var(--green-deep);
  box-shadow: 10px 10px 0 rgba(45, 107, 40, 0.45);
}

.cta-card .button {
  width: 100%;
}

.contact-link {
  width: 100%;
  text-align: center;
  text-decoration: none;
  font-size: 0.92rem;
}

/* Footer */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  background: var(--black);
  border-top: 1px solid rgba(87, 176, 77, 0.2);
}

.footer-logo {
  width: 140px;
  opacity: 0.95;
}

.site-footer p {
  margin: 0;
  flex: 1;
  min-width: 200px;
  font-size: 0.92rem;
}

/* Responsive */
@media (max-width: 980px) {
  .event-strip,
  .two-column,
  .split-section,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .prize-grid,
  .role-grid,
  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel {
    min-height: auto;
  }

  .final-cta-copy {
    text-align: center;
  }

  .cta-logo {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: absolute;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 88px;
  }

  .hero-version {
    right: 4%;
    bottom: 4%;
  }

  .event-strip,
  .prize-grid,
  .role-grid,
  .sponsor-grid {
    grid-template-columns: 1fr;
  }

  .prize-card.grand {
    grid-column: auto;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    text-align: center;
  }

  .footer-logo {
    margin: 0 auto;
  }

  :root {
    --stroke: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button:hover {
    transform: none;
  }
}