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

:root {
  --black: #050505;
  --black-soft: #0d0d0d;
  --panel: #121212;
  --panel-2: #181818;
  --gold: #c9a447;
  --gold-bright: #f0d37e;
  --white: #ffffff;
  --muted: #c7c2b6;
  --line: rgba(240, 211, 126, 0.22);
  --danger: #d7ad4d;
  --font-main: "Inter", Arial, sans-serif;
  --font-display: "Cinzel", Georgia, serif;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.48);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background: var(--black);
  font-family: var(--font-main);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 90px;
  padding: 16px clamp(18px, 5vw, 74px);
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.54), rgba(5, 5, 5, 0));
  transition: background 180ms ease, border-color 180ms ease, min-height 180ms ease;
}

.site-header.scrolled {
  min-height: 76px;
  border-bottom-color: var(--line);
  background: rgba(5, 5, 5, 0.94);
  backdrop-filter: blur(16px);
}

.brand img {
  width: clamp(62px, 7vw, 88px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav .nav-cta {
  padding: 12px 18px;
  border: 1px solid var(--gold);
  color: var(--black);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  overflow: hidden;
  padding: 136px clamp(20px, 6vw, 86px) 72px;
  background:
    radial-gradient(circle at 74% 18%, rgba(240, 211, 126, 0.18), transparent 28%),
    linear-gradient(135deg, #050505 0%, #11100d 56%, #050505 100%);
}

.hero-glow,
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  background:
    radial-gradient(circle at 22% 18%, rgba(201, 164, 71, 0.13), transparent 26%),
    radial-gradient(circle at 80% 64%, rgba(201, 164, 71, 0.08), transparent 24%);
}

.hero-grid {
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.78) 68%, transparent 100%);
}

.hero-content,
.hero-card {
  position: relative;
  z-index: 2;
}

.hero-content {
  width: min(100%, 1080px);
  text-align: center;
}

.hero-logo {
  width: clamp(118px, 16vw, 180px);
  margin: 0 auto 28px;
}

.event-banner {
  display: inline-flex;
  margin: 0 0 20px;
  padding: 12px 16px;
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  background: rgba(201, 164, 71, 0.12);
  font-size: 0.84rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1,
h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: 48px;
  line-height: 0.97;
}

h2 {
  margin-bottom: 20px;
  color: var(--gold-bright);
  font-size: clamp(2.2rem, 4.5vw, 4.8rem);
  line-height: 1;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
  line-height: 1.2;
}

h4 {
  margin-bottom: 16px;
  color: var(--gold-bright);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 820px;
  margin: 0 auto 34px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 15px 24px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button.primary {
  border-color: var(--gold);
  color: var(--black);
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
}

.button.giant {
  min-height: 68px;
  padding-inline: clamp(24px, 4vw, 42px);
  font-size: clamp(0.96rem, 1.4vw, 1.12rem);
}

.hero-card {
  width: min(100%, 980px);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.8);
  box-shadow: var(--shadow);
  text-align: center;
}

.hero-card span,
.eyebrow {
  color: var(--gold-bright);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-card strong {
  display: block;
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.hero-card p,
.method-copy p,
.pillar-list p,
.team-card p,
.arena-copy > p,
.partner-card p,
.partner-card span,
.sponsor-grid span,
.footer-copy p {
  color: var(--muted);
}

.method-section,
.team-section,
.arena-section,
.site-footer {
  padding-inline: clamp(20px, 6vw, 86px);
}

.method-section {
  padding-block: clamp(80px, 10vw, 130px);
  background: var(--black-soft);
}

.section-heading {
  max-width: 980px;
  margin-bottom: 42px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  margin-bottom: 14px;
}

.method-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(340px, 1fr);
  gap: clamp(28px, 5vw, 72px);
}

.method-copy {
  font-size: 1.12rem;
}

.pillar-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.pillar-list article {
  min-height: 280px;
  padding: 26px;
  background: var(--panel);
}

.pillar-list span,
.team-card span {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--gold-bright);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
}

.team-section {
  padding-block: clamp(80px, 10vw, 130px);
  background: #080808;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.team-card {
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.arena-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: center;
  padding-block: clamp(80px, 10vw, 132px);
  background:
    linear-gradient(135deg, rgba(201, 164, 71, 0.12), transparent 38%),
    var(--panel-2);
}

.arena-media {
  padding: 14px;
  border: 1px solid var(--line);
  background: #080808;
  box-shadow: var(--shadow);
}

.arena-media img {
  width: 100%;
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 30px 0 24px;
}

.event-grid article {
  min-height: 124px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(8, 8, 8, 0.84);
}

.event-grid strong,
.event-grid span {
  display: block;
}

.event-grid strong {
  margin-bottom: 8px;
  color: var(--gold-bright);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.event-grid span {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
}

.warning-box {
  margin-bottom: 28px;
  padding: 18px 20px;
  border: 1px solid var(--gold);
  color: var(--gold-bright);
  background: rgba(201, 164, 71, 0.12);
  font-size: 0.98rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-footer {
  display: grid;
  gap: 42px;
  padding-block: clamp(56px, 8vw, 86px);
  border-top: 1px solid var(--line);
  background: #050505;
}

.footer-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  align-items: center;
}

.footer-logo {
  width: clamp(90px, 12vw, 132px);
}

.footer-copy h2 {
  margin-bottom: 14px;
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.footer-copy p {
  margin-bottom: 6px;
}

.footer-copy a {
  color: var(--gold-bright);
  font-weight: 800;
}

.footer-columns {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1fr);
  gap: 28px;
}

.partner-card {
  display: grid;
  gap: 16px;
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.partner-card img {
  width: min(280px, 100%);
}

.partner-card p {
  margin-bottom: 0;
  color: var(--white);
  font-weight: 800;
}

.partner-card span {
  display: block;
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.sponsor-grid article {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.sponsor-grid img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
}

.sponsor-grid span {
  font-weight: 700;
}

@media (max-width: 1080px) {
  .method-layout,
  .arena-section {
    grid-template-columns: 1fr;
  }

  .pillar-list,
  .team-grid,
  .footer-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .site-header {
    display: none;
  }

  .menu-toggle {
    display: block;
    position: relative;
    z-index: 32;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 31;
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 32px;
    background: rgba(5, 5, 5, 0.98);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    font-size: 1.12rem;
  }

  .event-grid,
  .sponsor-grid,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  h1 {
    font-size: 38px;
  }

  body,
  .hero-content,
  .hero-card,
  .section-heading,
  .method-copy,
  .pillar-list article,
  .team-card,
  .arena-copy,
  .event-grid article,
  .footer-main,
  .footer-copy,
  .partner-card,
  .sponsor-grid article {
    text-align: center;
  }

  .footer-main {
    justify-items: center;
  }

  .footer-copy h2 {
    margin-inline: auto;
  }

  .partner-card img,
  .sponsor-grid img {
    margin-inline: auto;
  }

  .hero-logo {
    margin-inline: auto;
  }

  .event-banner {
    display: flex;
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .button.giant {
    width: 100%;
  }

  .pillar-list article,
  .team-card,
  .event-grid article {
    min-height: auto;
  }
}