/* ============================================================
   olympiaweekend.app — marketing site
   Fight-poster / pay-per-view aesthetic.
   Palette matches lib/design_tokens.dart OlympiaColors.dark.
   Vanilla CSS. No Tailwind, no framework, no build step.
   ============================================================ */

:root {
  --charcoal:      #0E0E0E;
  --charcoal-2:    #141414;
  --charcoal-3:    #1B1B1B;
  --charcoal-4:    #232323;
  --line:          #2A2A2A;
  --ivory:         #EFE6D2;
  --text:          #F0F0EE;
  --text-mute:     #9A9A96;
  --text-dim:      #6B6B68;
  --accent:        #E10600;
  --accent-2:      #FF2E22;
  --accent-deep:   #7A0300;

  --font-display:  'Barlow Condensed', 'Barlow', 'Arial Narrow', sans-serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--charcoal);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ---------- utilities ---------- */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px)  { .container { padding: 0 40px; } }
@media (min-width: 1280px) { .container { padding: 0 64px; } }

.display {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 0.9;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.eyebrow--accent { color: var(--accent-2); }

/* ---------- skip link (a11y) ---------- */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  font-weight: 600;
  z-index: 999;
}
.skip:focus { left: 12px; top: 12px; }

/* ============================================================
   NAV — translucent, fades in AFTER scrolling past hero
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 12px 0;
  background: rgba(14,14,14,0.85);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
          backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 250ms ease, transform 250ms ease, border-color 250ms ease;
}
.nav.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
  border-bottom-color: var(--line);
}
.nav__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--charcoal-2);
  border: 1px solid var(--line);
}
.brand-mark__icon img { width: 100%; height: 100%; object-fit: cover; }
.brand-mark__omega {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--text);
  text-transform: uppercase;
}
@media (max-width: 640px) { .brand-mark__omega { display: none; } }

.btn-red {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  transition: background 150ms ease, transform 120ms ease;
}
.btn-red:hover { background: var(--accent-2); }
.btn-red:active { transform: translateY(1px); }

/* ============================================================
   HERO — FIGHT POSTER
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 24px 0 64px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
}
@media (min-width: 1024px) {
  .hero { padding: 32px 0 80px; }
}

/* Layered backdrop: charcoal base + red radial spotlight peaking on the silhouette */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(45% 55% at 78% 55%, rgba(225,6,0,0.55) 0%, rgba(225,6,0,0.18) 40%, transparent 72%),
    linear-gradient(180deg, #0A0A0A 0%, #0E0E0E 40%, #060606 100%);
}
.hero__silhouette {
  position: absolute;
  right: -12%;
  bottom: -6%;
  width: 90%;
  max-width: 720px;
  height: auto;
  z-index: -2;
  opacity: 0.55;
  mix-blend-mode: screen;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.8));
  pointer-events: none;
}
@media (min-width: 768px) {
  .hero__silhouette {
    right: -4%;
    bottom: 50%;
    transform: translateY(50%);
    width: 65%;
    max-width: 780px;
    opacity: 0.7;
  }
}
@media (min-width: 1280px) {
  .hero__silhouette {
    right: 4%;
    width: 52%;
    max-width: 860px;
    opacity: 0.78;
  }
}
.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(14,14,14,0.9) 0%, rgba(14,14,14,0.55) 45%, rgba(14,14,14,0.05) 100%),
    linear-gradient(180deg, transparent 55%, rgba(6,6,6,0.85) 100%);
  pointer-events: none;
}
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.9 0 0 0 0 0.9 0 0 0 0.4 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Live-now chip, now part of hero__inner so it reads as one unit with the headline */
.chip {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  /* Parent hero__inner has gap: 28px which visually spaces chip from headline;
     tighten with a negative margin so chip + headline read as one block, then
     let the parent gap take over. */
  margin-bottom: -4px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: rgba(14,14,14,0.85);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
}
.chip__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 rgba(255,46,34,0.7);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,46,34,0.7); }
  70%  { box-shadow: 0 0 0 12px rgba(255,46,34,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,46,34,0); }
}
.chip[hidden] { display: none; }

/* Hero content — vertically centered block so headline reads as one unit with the LIVE chip */
.hero__inner {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 24px;
  padding-bottom: 32px;
  gap: 28px;
}
@media (min-width: 1024px) {
  .hero__inner { padding-top: 32px; padding-bottom: 48px; gap: 36px; }
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 10vw, 128px);
  line-height: 0.88;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  max-width: 12ch;
  color: var(--text);
}
.hero__headline .accent { color: var(--accent-2); }
.hero__headline .stroke {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--text);
}

.hero__subhead {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.5;
  color: var(--text-mute);
  max-width: 52ch;
}
.hero__subhead strong { color: var(--text); font-weight: 600; }

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.badge-link {
  display: inline-block;
  transition: transform 150ms ease, filter 150ms ease;
}
.badge-link:hover { transform: translateY(-2px); filter: brightness(1.08); }
.badge-link img { height: 54px; width: auto; }
.badge-link--play img { height: 78px; } /* Play badge has more built-in padding */

/* "Use in browser" button — third option next to the store badges, same height. */
.btn-browser {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 54px;
  padding: 0 22px;
  background: var(--charcoal-2);
  color: var(--text);
  border: 1px solid rgba(239, 230, 210, 0.55);
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 150ms ease, border-color 150ms ease, transform 120ms ease, color 150ms ease;
}
.btn-browser:hover {
  background: var(--charcoal-3);
  border-color: var(--ivory);
  color: var(--ivory);
  transform: translateY(-2px);
}
.btn-browser:active { transform: translateY(0); }
.btn-browser__arrow {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1;
  transition: transform 150ms ease;
}
.btn-browser:hover .btn-browser__arrow { transform: translateX(3px); }
/* Larger variant to match the taller CTA badges (58px matching iOS badge) */
.btn-browser--lg { height: 58px; padding: 0 24px; font-size: 17px; }

/* ============================================================
   SECTION SCAFFOLDING
   ============================================================ */
section { position: relative; }
.section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 1024px) { .section { padding: 128px 0; } }

.section__head {
  display: grid;
  gap: 14px;
  max-width: 820px;
  margin-bottom: 56px;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 0.92;
  letter-spacing: -0.005em;
  text-transform: uppercase;
}
.section__title .accent { color: var(--accent-2); }
.section__lede {
  color: var(--text-mute);
  font-size: clamp(16px, 1.2vw, 18px);
  max-width: 60ch;
  line-height: 1.55;
}

/* ============================================================
   WHAT'S INSIDE — feature grid with floating raw screenshots
   ============================================================ */
.inside__grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}
@media (min-width: 768px)  { .inside__grid { grid-template-columns: repeat(3, 1fr); gap: 32px; } }
@media (min-width: 1280px) { .inside__grid { gap: 48px; } }

.feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.feature__shot {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 24px 8px 8px;
}
.feature__shot img {
  width: 100%;
  max-width: 260px;
  height: auto;
  border-radius: 24px;
  box-shadow:
    0 20px 60px rgba(226, 6, 0, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.4);
}
.feature__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.2vw, 30px);
  line-height: 1.05;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--text);
}
.feature__desc {
  color: var(--text-mute);
  font-size: 15px;
  line-height: 1.55;
}

/* ============================================================
   ATHLETES — 3-col photo grid of top 6 champs
   ============================================================ */
.athletes {
  background:
    radial-gradient(50% 35% at 20% 20%, rgba(225,6,0,0.10), transparent 60%),
    linear-gradient(180deg, #060606 0%, #0E0E0E 100%);
  padding: 96px 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
@media (min-width: 1024px) { .athletes { padding: 128px 0; } }

.athletes__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .athletes__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
@media (min-width: 1024px) { .athletes__grid { grid-template-columns: repeat(3, 1fr); gap: 40px; } }

.champ {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.champ__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--charcoal-3);
}
.champ__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(8%) contrast(1.03);
  transition: transform 500ms ease, filter 300ms ease;
}
.champ:hover .champ__photo img { transform: scale(1.04); filter: grayscale(0%) contrast(1.08); }
.champ__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--text);
  letter-spacing: 0.005em;
}
.champ__desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.4;
}

/* ============================================================
   EXPO & VENUES — image + copy side-by-side
   ============================================================ */
.expo__grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .expo__grid { grid-template-columns: 1.1fr 0.9fr; gap: 72px; }
}
.expo__map {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 9;
  background: #efe6d2;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.9);
}
.expo__map img { width: 100%; height: 100%; object-fit: cover; }
.expo__map__caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  padding: 6px 10px;
  background: rgba(20,20,20,0.85);
  color: var(--text);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 6px;
  -webkit-backdrop-filter: blur(4px);
          backdrop-filter: blur(4px);
}
.expo__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.stat__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1;
  color: var(--text);
}
.stat__num .accent { color: var(--accent-2); }
.stat__label {
  color: var(--text-mute);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 6px;
}

/* Venues */
.venues__grid {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .venues__grid { grid-template-columns: 0.9fr 1.1fr; gap: 72px; }
}
.venues__list {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}
.venues__list li {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.venues__list .name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.venues__list .drive {
  color: var(--text-mute);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.venues__shot {
  display: flex;
  justify-content: center;
}
.venues__shot img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 24px;
  box-shadow:
    0 20px 60px rgba(226, 6, 0, 0.15),
    0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta {
  position: relative;
  padding: 120px 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}
.cta__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 60% at 50% 40%, rgba(225,6,0,0.30) 0%, rgba(225,6,0,0.02) 55%, transparent 72%),
    linear-gradient(180deg, #0E0E0E 0%, #060606 100%);
}
.cta__silhouette {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  pointer-events: none;
  overflow: hidden;
}
.cta__silhouette img {
  height: 110%;
  max-width: none;
  opacity: 0.06;
  transform: translate(18%, 12%);
  mix-blend-mode: screen;
  filter: blur(0.3px);
}
@media (min-width: 1024px) {
  .cta__silhouette img {
    height: 120%;
    opacity: 0.07;
    transform: translate(22%, 14%);
  }
}
.cta__inner {
  display: grid;
  gap: 28px;
  justify-items: center;
}
.cta__display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 10vw, 128px);
  line-height: 0.88;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  max-width: 14ch;
}
.cta__display .accent { color: var(--accent-2); }
.cta__sub {
  color: var(--text-mute);
  max-width: 44ch;
  font-size: clamp(15px, 1.2vw, 18px);
}
.cta__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 8px;
}
.cta__badges .badge-link img { height: 58px; }
.cta__badges .badge-link--play img { height: 82px; }

.cta__promise {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-top: 8px;
}
.cta__promise .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #060606;
  padding: 56px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 13px;
}
.footer__grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
}
.footer__brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.footer__disclaimer {
  margin-top: 14px;
  max-width: 46ch;
  line-height: 1.6;
}
.footer__col h4 {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 14px;
  font-weight: 600;
}
.footer__col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer__col a {
  color: var(--text);
  font-weight: 500;
}
.footer__col a:hover { color: var(--accent-2); }
.footer__bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .chip__dot { animation: none; }
  html { scroll-behavior: auto; }
}