:root {
  --ink: #12181c;
  --ink-2: #182129;
  --paper: #e7edf0;
  --paper-dim: #93a3ab;
  --steel: #3c5b6b;
  --steel-bright: #6c93a3;
  --rain: #cfe0e6;
  --f-display: 'Bebas Neue', sans-serif;
  --f-body: 'Source Serif 4', Georgia, serif;
  --f-label: 'IBM Plex Sans', sans-serif;
  --maxw: 1160px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--ink); color: var(--paper); font-family: var(--f-body); line-height: 1.7; }
a { color: inherit; text-decoration: none; }

.btn { display: inline-block; font-family: var(--f-label); font-weight: 500; letter-spacing: 0.03em; text-transform: uppercase; font-size: 0.85rem; padding: 0.9rem 1.9rem; background: var(--steel); color: var(--paper); border: 1px solid var(--steel-bright); }
.btn:hover { background: var(--steel-bright); }
.btn--ghost { background: transparent; color: var(--paper); border-color: rgba(231,237,240,0.3); }
.btn--ghost:hover { background: rgba(231,237,240,0.06); border-color: var(--rain); }
.btn--nav { font-size: 0.78rem; padding: 0.6rem 1.3rem; }

.nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1rem clamp(1.2rem, 4vw, 3rem); background: rgba(18,24,28,0.9); border-bottom: 1px solid rgba(231,237,240,0.08); backdrop-filter: blur(6px); }
.nav__brand img { height: 48px; display: block; }
.nav__links { display: flex; gap: clamp(1rem, 2vw, 2rem); font-family: var(--f-label); font-size: 0.85rem; }
.nav__links a { color: var(--paper-dim); }
.nav__links a:hover { color: var(--rain); }
@media (max-width: 720px) { .nav__links { display: none; } }

.hero__bg { display: block; width: 100%; height: auto; }
.hero__inner { padding: clamp(2rem, 5vw, 3rem) clamp(1.2rem, 4vw, 3rem) clamp(3rem, 6vw, 5rem); max-width: var(--maxw); margin: 0 auto; }
.hero__kicker { font-family: var(--f-label); letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel-bright); font-size: 0.82rem; margin-bottom: 1rem; }
.hero__tagline { font-family: var(--f-display); font-size: clamp(1.6rem, 3.2vw, 2.3rem); letter-spacing: 0.01em; color: var(--rain); margin: 0 0 2rem; max-width: 30ch; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.eyebrow { font-family: var(--f-label); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-bright); margin-bottom: 0.8rem; }
.section-title { font-family: var(--f-display); font-size: clamp(1.9rem, 3.6vw, 2.8rem); max-width: 24ch; letter-spacing: 0.01em; }

.about, .rules, .awards, .event { padding: clamp(3.4rem, 7vw, 6rem) clamp(1.2rem, 4vw, 3rem); max-width: var(--maxw); margin: 0 auto; }
.about__grid { margin-top: 1.8rem; display: grid; gap: 1.4rem; max-width: 74ch; }
.about__grid p { color: var(--paper-dim); }

.rules { border-top: 1px solid rgba(231,237,240,0.08); background: var(--ink-2); }
.rules__notes { margin-top: 2rem; display: grid; gap: 1.6rem; max-width: 74ch; }
.note { display: flex; gap: 1.2rem; }
.note__mark { font-family: var(--f-display); font-size: 1.6rem; color: var(--steel-bright); flex-shrink: 0; }
.note p { color: var(--paper-dim); }

.awards__list { margin-top: 2rem; border-top: 1px solid rgba(231,237,240,0.1); }
.awards__list .award { display: grid; grid-template-columns: 220px 1fr; gap: 2rem; padding: 1.3rem 0; border-bottom: 1px solid rgba(231,237,240,0.1); align-items: baseline; }
@media (max-width: 640px) { .awards__list .award { grid-template-columns: 1fr; gap: 0.3rem; } }
.awards__list h3 { font-family: var(--f-display); font-size: 1.3rem; letter-spacing: 0.02em; color: var(--rain); }
.awards__list p { color: var(--paper-dim); font-size: 0.96rem; }

.event { border-top: 1px solid rgba(231,237,240,0.08); }
.event__card { background: linear-gradient(135deg, rgba(60,91,107,0.16), rgba(18,24,28,0.2)); border: 1px solid rgba(231,237,240,0.1); padding: clamp(1.8rem, 4vw, 3rem); }
.event__details { display: flex; flex-wrap: wrap; gap: 2.5rem; margin: 1.8rem 0; }
.event__label { display: block; font-family: var(--f-label); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-bright); margin-bottom: 0.4rem; }
.event__value { font-size: 1.02rem; }
.event__copy { color: var(--paper-dim); max-width: 70ch; margin-bottom: 0.9rem; }
.event__copy:last-of-type { margin-bottom: 1rem; }
.event__note { color: var(--paper-dim); font-size: 0.85rem; font-style: italic; margin-top: 1rem; }
.event__note a { color: var(--steel-bright); text-decoration: underline; text-underline-offset: 2px; }

.footer { border-top: 1px solid rgba(231,237,240,0.1); padding: 2.2rem clamp(1.2rem, 4vw, 3rem); }
.footer__inner { max-width: var(--maxw); margin: 0 auto; display: flex; flex-wrap: wrap; gap: 0.6rem 2rem; align-items: baseline; justify-content: space-between; }
.footer__brand { font-family: var(--f-display); font-size: 1.3rem; letter-spacing: 0.02em; }
.footer__mail { font-family: var(--f-label); font-size: 0.85rem; color: var(--paper-dim); }
.footer__mail:hover { color: var(--rain); }
.footer__copy { width: 100%; color: var(--paper-dim); font-size: 0.85rem; margin-top: 0.4rem; }