/* ==========================================================================
   Veritas AI International High School Hackathon — design system
   Source of truth: /DESIGN.md. Pages use only these tokens + components.
   Direction: sleek black, electric-blue hairlines, soft aura gradients, glass cards.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* raw palette */
  --c-black: #030409;
  --c-night-950: #05070f;
  --c-night-900: #080d1d;
  --c-night-800: #0c1430;
  --c-night-700: #122044;
  --c-ink-100: #eef2ff;
  --c-ink-300: #aab4d4;
  --c-ink-500: #7580a8;
  --c-blue-600: #2563ff;
  --c-blue-500: #3b7bff;
  --c-blue-300: #8fb6ff;
  --c-blue-200: #bcd3ff;
  --c-violet-400: #8b6cff;
  --c-pink-300: #ff9ad5;
  --c-peach-200: #ffd3b0;
  --c-gold-400: #f5c451;
  --c-silver-300: #cfd8ee;
  --c-bronze-400: #e39a62;

  /* semantic */
  --color-bg: var(--c-black);
  --color-bg-deep: var(--c-night-950);
  --color-surface: rgba(12, 20, 48, .62);
  --color-surface-solid: var(--c-night-900);
  --color-surface-2: rgba(18, 32, 68, .75);
  --color-line: rgba(59, 123, 255, .28);        /* electric-blue hairline */
  --color-line-strong: rgba(59, 123, 255, .6);
  --color-line-neutral: rgba(255, 255, 255, .1);
  --color-text: var(--c-ink-100);
  --color-text-muted: var(--c-ink-300);
  --color-text-subtle: var(--c-ink-500);
  --color-cta: var(--c-blue-600);
  --color-cta-hover: var(--c-blue-500);
  --color-cta-ink: #ffffff;
  --color-link: var(--c-blue-300);
  --color-link-hover: var(--c-blue-200);
  --color-accent: var(--c-blue-500);
  --color-highlight: var(--c-gold-400);
  --color-focus: var(--c-blue-300);
  --color-placeholder: var(--c-gold-400);

  --glow-sm: 0 0 12px rgba(37, 99, 255, .45);
  --glow-md: 0 0 0 1px rgba(59, 123, 255, .25), 0 0 32px rgba(37, 99, 255, .22);
  --aura:
    radial-gradient(40% 55% at 20% 20%, rgba(139, 108, 255, .95), transparent 70%),
    radial-gradient(34% 50% at 74% 18%, rgba(255, 154, 213, .7), transparent 70%),
    radial-gradient(60% 60% at 50% 95%, rgba(37, 99, 255, 1), transparent 72%),
    radial-gradient(30% 45% at 92% 62%, rgba(255, 211, 176, .55), transparent 70%),
    radial-gradient(32% 45% at 6% 78%, rgba(59, 123, 255, .8), transparent 70%),
    radial-gradient(40% 40% at 50% 45%, rgba(92, 70, 230, .45), transparent 70%);

  /* type */
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace; /* typing + labels */
  --font-display: "Chakra Petch", "Segoe UI", system-ui, sans-serif;                                /* headings + UI */
  --font-body: Georgia, "Gelasio", "Times New Roman", serif;                                       /* reading text */
  --font-quote: var(--font-body);                                                                  /* set italic */

  --fs-hero: clamp(2rem, 1rem + 4.2vw, 4.25rem);
  --fs-h1: clamp(1.875rem, 1.2rem + 2.6vw, 3.25rem);
  --fs-h2: clamp(1.5rem, 1.1rem + 1.6vw, 2.375rem);
  --fs-h3: 1.25rem;
  --fs-xs: 0.8125rem;   /* 13 */
  --fs-sm: 0.9375rem;   /* 15 */
  --fs-md: 1.0625rem;   /* 17 */
  --fs-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --fs-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);

  --lh-tight: 1.1;
  --lh-body: 1.7;
  --measure: 68ch;
  --tracking-display: -0.01em;
  --tracking-label: 0.1em;
  --tracking-code: 0.01em;

  /* space */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;
  --section-pad: clamp(56px, 8vw, 96px);

  --container: 1160px;
  --container-narrow: 760px;
  --gutter: clamp(16px, 4vw, 32px);

  /* shape + motion */
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --dur-fast: 140ms;
  --dur: 220ms;

  color-scheme: dark;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--color-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* blueprint frame: two glowing vertical rails at the content edges (wide screens) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--color-line), var(--color-line)) no-repeat calc(50% - 612px) 0 / 1px 100%,
    linear-gradient(var(--color-line), var(--color-line)) no-repeat calc(50% + 612px) 0 / 1px 100%,
    linear-gradient(90deg, transparent, rgba(37, 99, 255, .08), transparent) no-repeat calc(50% - 612px - 20px) 0 / 41px 100%,
    linear-gradient(90deg, transparent, rgba(37, 99, 255, .08), transparent) no-repeat calc(50% + 612px - 20px) 0 / 41px 100%;
}
@media (max-width: 1300px) { body::before { display: none; } }

body > * { position: relative; z-index: 1; }

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

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-link-hover); }

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}
/* card-level headings stay in the body face so small sizes read cleanly */
h3, h4 { font-weight: 600; letter-spacing: 0; }
p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }
strong { font-weight: 600; color: var(--color-text); }

::selection { background: var(--color-cta); color: #fff; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-cta);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-2); }

[hidden] { display: none !important; }

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: calc(var(--container-narrow) + var(--gutter) * 2); }

.section { padding-block: var(--section-pad); }
.section--tight { padding-block: calc(var(--section-pad) * .6); }
.section--band {
  background: radial-gradient(60% 50% at 50% 50%, rgba(37, 99, 255, .07), transparent 70%);
}

.grid { display: grid; gap: var(--space-5); }
/* auto-fit with a column cap: never more than 2 / 3 / 4 columns */
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, max(320px, calc((100% - var(--space-5)) / 2))), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, max(260px, calc((100% - 2 * var(--space-5)) / 3))), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, max(220px, calc((100% - 3 * var(--space-5)) / 4))), 1fr)); }

.stack > * + * { margin-top: var(--space-4); }
.prose { max-width: var(--measure); }
.prose p, .prose li { color: var(--color-text-muted); }
.prose p strong, .prose li strong { color: var(--color-text); }
.prose ul { padding-left: 0; list-style: none; }
.prose ul li { position: relative; padding-left: var(--space-5); margin-bottom: var(--space-2); }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 2px; top: .62em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: var(--glow-sm);
}

.prose--lg p { font-size: var(--fs-lg); }
.card__title--lg { font-size: 1.5rem; font-weight: 700; }
.steps { list-style: none; counter-reset: step; display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.steps li {
  counter-increment: step;
  position: relative;
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 2.25rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(3, 4, 9, .35);
  color: var(--color-text-muted);
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: var(--space-4);
  top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-link);
}
.rule-list { list-style: none; display: grid; gap: var(--space-2); max-width: 860px; }
.rule-list li {
  position: relative;
  padding: var(--space-4) var(--space-5) var(--space-4) calc(var(--space-5) + 1.5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--fs-lg);
  color: var(--color-text);
}
.rule-list li::before {
  content: "//";
  position: absolute;
  left: var(--space-5);
  top: var(--space-4);
  font-family: var(--font-mono);
  color: var(--color-link);
}
.register-grid { align-items: start; }
.register-box { display: grid; justify-items: center; gap: var(--space-3); padding: clamp(32px, 5vw, 56px) var(--space-6); text-align: center; border-color: var(--color-line-strong); box-shadow: var(--glow-md); }
.register-box .btn { margin-top: var(--space-3); }
.card .eyebrow { color: var(--color-link); }

/* ---------- 4. Announcement bar ---------- */
.announce {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  font-size: var(--fs-sm);
  text-align: center;
}
.announce__text { margin: 0; padding: var(--space-2) var(--gutter); color: var(--color-text-muted); }
.announce a { color: var(--color-link); font-weight: 500; text-decoration: none; white-space: nowrap; }
.announce a:hover { color: var(--color-link-hover); text-decoration: underline; }

/* ---------- 5. Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(3, 4, 9, .8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-line);
}
.site-nav__inner { display: flex; align-items: center; gap: var(--space-5); min-height: 68px; }

.lockup {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  margin-right: auto;
}
.lockup:hover { color: var(--color-text); }
.lockup__mark {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 7px;
  background:
    radial-gradient(circle at 30% 28%, #d9e6ff 0 12%, transparent 40%),
    radial-gradient(circle at 60% 70%, var(--c-violet-400), transparent 70%),
    var(--c-blue-600);
  box-shadow: 0 0 14px rgba(37, 99, 255, .7), inset 0 0 0 1px rgba(255, 255, 255, .25);
}
.lockup__text { display: flex; flex-direction: column; gap: 2px; line-height: 1.15; }
.lockup__name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: .01em; }
.lockup__by { font-size: var(--fs-xs); color: var(--color-text-subtle); }
.lockup__by b { color: var(--color-link); font-weight: 500; }

/* lockup v2: mark + name link home; "Veritas AI" links to veritasai.com */
.lockup { position: relative; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; padding-left: 34px; line-height: 1.15; }
.lockup .lockup__mark { position: absolute; left: 0; top: 50%; transform: translateY(-50%); }
.lockup__home { color: var(--color-text); text-decoration: none; }
.lockup__home:hover { color: #fff; }
.lockup__by a, .byline a, .quote__role a, .site-footer__brand p a {
  color: var(--color-link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(143, 182, 255, .4);
  text-underline-offset: 3px;
  transition: color var(--dur-fast), text-decoration-color var(--dur-fast);
}
.lockup__by a:hover, .byline a:hover, .quote__role a:hover, .site-footer__brand p a:hover { color: var(--color-link-hover); text-decoration-color: currentColor; }
.byline a { color: #fff; }
.nav-links { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur-fast), background-color var(--dur-fast);
}
.nav-links a:hover { color: var(--color-text); background: rgba(255, 255, 255, .05); }
.nav-links a[aria-current="page"] { color: var(--color-text); background: rgba(37, 99, 255, .16); box-shadow: inset 0 0 0 1px var(--color-line); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  padding: 0;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: currentColor;
  position: relative;
}
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
  .site-nav__inner { flex-wrap: wrap; gap: var(--space-3); padding-block: var(--space-2); }
  .js .nav-toggle { display: inline-flex; }
  .nav-links { order: 3; flex-basis: 100%; flex-wrap: wrap; padding-bottom: var(--space-2); }
  .js .nav-links { display: none; flex-direction: column; align-items: stretch; gap: 2px; }
  .js .site-nav.is-open /* lockup v2: mark + name link home; "Veritas AI" links to veritasai.com */
.lockup { position: relative; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; padding-left: 34px; line-height: 1.15; }
.lockup .lockup__mark { position: absolute; left: 0; top: 50%; transform: translateY(-50%); }
.lockup__home { color: var(--color-text); text-decoration: none; }
.lockup__home:hover { color: #fff; }
.lockup__by a, .byline a, .quote__role a, .site-footer__brand p a {
  color: var(--color-link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(143, 182, 255, .4);
  text-underline-offset: 3px;
  transition: color var(--dur-fast), text-decoration-color var(--dur-fast);
}
.lockup__by a:hover, .byline a:hover, .quote__role a:hover, .site-footer__brand p a:hover { color: var(--color-link-hover); text-decoration-color: currentColor; }
.byline a { color: #fff; }
.nav-links { display: flex; }
  .js .nav-links a { padding: var(--space-3); }
}
@media (max-width: 560px) {
  .lockup__long { display: none; }
  .lockup__name { font-size: .9375rem; }
}
@media (max-width: 420px) {
  .nav-cta__extra { display: none; }
  .site-nav__inner { gap: var(--space-2); }
  .lockup { padding-left: 28px; }
  .site-nav .lockup__name { font-size: .875rem; }
  .site-nav .lockup__by { font-size: 12px; }
  .site-nav .lockup__mark { width: 20px; height: 20px; }
  .site-nav .btn--sm { padding-inline: var(--space-3); }
}

/* ---------- 6. Buttons ---------- */
.btn {
  --btn-bg: rgba(255, 255, 255, .04);
  --btn-fg: var(--color-text);
  --btn-bd: var(--color-line-neutral);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast), color var(--dur-fast);
}
.btn:hover { color: var(--btn-fg); }

.btn--primary {
  --btn-bg: var(--color-cta);
  --btn-fg: var(--color-cta-ink);
  --btn-bd: rgba(143, 182, 255, .55);
  box-shadow: 0 0 0 1px rgba(37, 99, 255, .4), 0 8px 28px -8px rgba(37, 99, 255, .8);
}
.btn--primary:hover { --btn-bg: var(--color-cta-hover); box-shadow: 0 0 0 1px rgba(59, 123, 255, .6), 0 10px 36px -8px rgba(59, 123, 255, .95); }

.btn--ghost:hover { --btn-bd: var(--color-line-strong); --btn-bg: rgba(37, 99, 255, .1); }

.btn--placeholder {
  --btn-bg: rgba(245, 196, 81, .05);
  --btn-fg: var(--color-placeholder);
  --btn-bd: rgba(245, 196, 81, .5);
  border-style: dashed;
  cursor: not-allowed;
}

.btn--sm { min-height: 38px; padding: var(--space-2) var(--space-4); font-size: var(--fs-sm); border-radius: var(--radius-sm); }
.btn--lg { min-height: 54px; padding: var(--space-3) var(--space-6); }
.btn .arrow { line-height: 1; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.btn-row--center { justify-content: center; }

.link-arrow { font-weight: 500; font-size: var(--fs-sm); text-decoration: none; }
.link-arrow::after { content: " \2192"; }
.link-arrow:hover { text-decoration: underline; }

/* ---------- 7. Labels + section header ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-code);
  color: var(--color-link);
}
.section-title, .page-hero__title, .cta-band__title { font-weight: 700; }
/* type-in on scroll (JS wraps the text in .type and sets --n = character count) */
.eyebrow.is-typeable .type {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  vertical-align: bottom;
  width: 0;
}
.eyebrow.is-typed .type { animation: type-in calc(var(--n) * 42ms) steps(var(--n), end) forwards; }
.eyebrow.is-done .type { width: auto; animation: none; }
.eyebrow.is-typed:not(.is-done)::after {
  content: "";
  width: .55em; height: 1.1em;
  margin-left: -4px;
  background: var(--color-link);
  box-shadow: var(--glow-sm);
}
@keyframes type-in { to { width: calc(var(--n) * (1ch + var(--tracking-code))); } }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--color-link);
}
.breadcrumb a { color: var(--color-text-subtle); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb span { color: var(--color-text-subtle); opacity: .6; }

.section-head { margin-bottom: var(--space-7); max-width: var(--measure); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-title { font-size: var(--fs-h2); color: var(--color-text); }
.section-lede { margin-top: var(--space-4); font-size: var(--fs-lg); color: var(--color-text-muted); }
.section-foot { margin-top: var(--space-6); }

/* ---------- 8. Heroes ---------- */
.hero { padding-block: var(--space-6) var(--space-7); }
.hero__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--c-night-950);
  box-shadow: var(--glow-md);
}
.hero__panel::before {
  content: "";
  position: absolute;
  inset: -12%;
  z-index: -2;
  background: var(--aura);
  filter: blur(40px);
}
.hero__panel::after {  /* legibility veil */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(70% 55% at 50% 45%, rgba(3, 4, 9, .55), rgba(3, 4, 9, .2) 75%), linear-gradient(180deg, rgba(3, 4, 9, 0) 60%, rgba(3, 4, 9, .55));
}
.hero__inner {
  padding: clamp(56px, 9vw, 112px) clamp(20px, 5vw, 64px) clamp(48px, 7vw, 88px);
  text-align: center;
}
.hero__kicker {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin: 0 0 var(--space-6);
  padding: var(--space-1) var(--space-4);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--radius-pill);
  background: rgba(3, 4, 9, .45);
  backdrop-filter: blur(6px);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text);
}
@media (max-width: 480px) {
  .hero__kicker { font-size: var(--fs-xs); padding-inline: var(--space-3); border-radius: var(--radius); }
}
.hero__title {
  font-size: var(--fs-hero);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.015em;
  max-width: 18ch;
  margin-inline: auto;
  background: linear-gradient(180deg, #ffffff 30%, var(--c-blue-200));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.byline { margin: var(--space-5) 0 0; font-size: var(--fs-lg); color: var(--color-text-muted); }
.byline b { color: var(--color-text); font-weight: 600; }
.hero__date {
  margin: var(--space-3) 0 0;
  font-size: var(--fs-xl);
  font-weight: 500;
  color: var(--color-link-hover);
}
.hero__sub { max-width: 52ch; margin: var(--space-5) auto 0; font-size: var(--fs-lg); line-height: 1.5; color: var(--color-text); }

/* typing line (used in the hero kicker) */
.typer__line { display: inline; }
.typer__prompt { color: var(--color-link); margin-right: .6em; }
.typer__caret {
  display: inline-block;
  width: .55em; height: 1.1em;
  margin-left: .15em;
  vertical-align: -0.2em;
  background: var(--color-link);
  box-shadow: 0 0 10px rgba(59, 123, 255, .9);
}
.typer.is-typing .typer__caret { animation: caret-blink 1s steps(1) infinite; }
.typer.is-typing:not(.is-paused) .typer__caret { animation: none; }
@keyframes caret-blink { 50% { opacity: 0; } }

.hero__body { max-width: 60ch; margin: var(--space-4) auto 0; color: var(--color-text-muted); font-size: var(--fs-md); }
.hero__sub strong { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xl); line-height: 1.35; }
.hero .btn-row { justify-content: center; margin-top: var(--space-6); }

.page-hero { padding-block: var(--space-6) 0; }
.page-hero__row > div {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 48px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(45% 80% at 100% 0%, rgba(139, 108, 255, .28), transparent 70%),
    radial-gradient(50% 90% at 85% 100%, rgba(37, 99, 255, .32), transparent 70%),
    var(--c-night-950);
}
.page-hero__title { font-size: var(--fs-h1); max-width: 20ch; }
.page-hero__title .h1-sub {
  display: block;
  margin-top: var(--space-3);
  font-size: .5em;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text-muted);
}
.page-hero__lede { max-width: var(--measure); margin-top: var(--space-5); font-size: var(--fs-lg); color: var(--color-text-muted); }

/* ---------- 9. Stat strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 var(--space-4) var(--space-4);
  list-style: none;
  border: 1px solid rgba(143, 182, 255, .35);
  border-radius: var(--radius);
  background: rgba(3, 4, 9, .5);
  backdrop-filter: blur(8px);
}
.stats li { display: flex; flex-direction: column; gap: 2px; padding: var(--space-4) var(--space-5); text-align: left; }
.stats li + li { border-left: 1px solid var(--color-line); }
.stats b { font-family: var(--font-display); font-size: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem); font-weight: 700; letter-spacing: 0; line-height: 1.1; color: var(--color-text); }
.stats span { font-size: var(--fs-sm); color: var(--color-text-muted); }
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats li:nth-child(3) { border-left: 0; }
  .stats li:nth-child(n+3) { border-top: 1px solid var(--color-line); }
}
.stats--stack { grid-template-columns: 1fr; margin: 0; align-self: start; background: var(--color-surface); }
.stats--hero { margin: var(--space-6) 0 0; max-width: 820px; background: rgba(3, 4, 9, .45); }
.page-hero__lede .stats--hero b { color: var(--color-text); }
.stats--stack li + li { border-left: 0; border-top: 1px solid var(--color-line); }
.stats--stack li:nth-child(3) { border-top: 1px solid var(--color-line); }

/* ---------- 10. Key–value rows (signature component) ---------- */
/* .glance: event summary; each row is a bordered hairline box, label left, value right */
.glance {
  margin: 0;
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, max(360px, calc((100% - var(--space-3)) / 2))), 1fr));
}
.glance__row {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.glance dt { font-size: var(--fs-sm); color: var(--color-text-subtle); }
.glance dd { margin: 0; color: var(--color-text); }
.glance--single { grid-template-columns: 1fr; gap: var(--space-2); align-content: start; }
.intern-grid { align-items: center; }
.glance--single .glance__row { grid-template-columns: 11rem 1fr; }
.glance__row--feature { border-color: var(--color-line-strong); background: linear-gradient(90deg, rgba(37, 99, 255, .2), var(--color-surface) 60%); box-shadow: var(--glow-md); }
.glance__row--feature dt, .glance__row--feature dd { color: var(--color-text); font-weight: 500; }
.card .glance { margin-top: var(--space-4); }
@media (max-width: 480px) { .glance__row, .glance--single .glance__row { grid-template-columns: 1fr; gap: var(--space-1); } }

.feature-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--c-night-950);
  box-shadow: var(--glow-md);
}
.feature-card::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto 40%;
  height: 120%;
  z-index: -1;
  background:
    radial-gradient(45% 45% at 60% 40%, rgba(139, 108, 255, .45), transparent 70%),
    radial-gradient(40% 40% at 80% 70%, rgba(37, 99, 255, .5), transparent 70%);
  filter: blur(40px);
}
.feature-card .section-lede { max-width: var(--measure); }

/* ---------- 11. Countdown ---------- */
.countdown {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4) var(--space-6);
  margin-top: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
}
.countdown__label { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); }
.countdown__label b { display: block; margin-top: 2px; color: var(--color-text-subtle); font-weight: 400; font-size: var(--fs-xs); }
.countdown__label { color: var(--color-text); font-weight: 500; }
.countdown__units { display: flex; gap: var(--space-2); }
.countdown__unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 76px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(3, 4, 9, .5);
}
.countdown__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.countdown__unit--sec .countdown__num { color: var(--color-link); }
.countdown__cap { font-size: 11px; text-transform: uppercase; letter-spacing: var(--tracking-label); color: var(--color-text-subtle); }
@media (max-width: 560px) {
  .countdown { justify-content: center; text-align: center; }
  .countdown__unit { min-width: 0; flex: 1; padding-inline: var(--space-2); }
  .countdown__units { width: 100%; }
}

/* ---------- 12. Cards ---------- */
.card {
  position: relative;
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(14, 24, 54, .72), rgba(6, 10, 24, .72));
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}
.card__title { font-size: var(--fs-h3); color: var(--color-text); margin-bottom: var(--space-3); }
.card p { color: var(--color-text-muted); }
.card--link { transition: border-color var(--dur), box-shadow var(--dur), background-color var(--dur); }
.card--link:hover { border-color: var(--color-line-strong); box-shadow: var(--glow-md); }

/* explore cards */
.explore-card { display: flex; flex-direction: column; gap: var(--space-3); color: inherit; text-decoration: none; height: 100%; }
.explore-card:hover { color: inherit; }
.explore-card__num { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--color-link); }
.explore-card__go { margin-top: auto; font-weight: 500; font-size: var(--fs-sm); color: var(--color-link); }

/* numbered steps */
.step-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 28px;
  margin-bottom: var(--space-4);
  padding-inline: var(--space-2);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-link);
}

/* list rows inside cards: bordered hairline boxes */
.perks { list-style: none; display: grid; gap: var(--space-2); }
.perks li {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(3, 4, 9, .35);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* prize cards */
.prize-card {
  --tier: var(--color-accent);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow: hidden;
}
.prize-card::before {  /* tier glow along the top edge */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tier), transparent);
  box-shadow: 0 0 18px var(--tier);
}
.prize-card--gold { --tier: var(--c-gold-400); }
.prize-card--silver { --tier: var(--c-silver-300); }
.prize-card--bronze { --tier: var(--c-bronze-400); }
.prize-card--category { --tier: var(--c-blue-500); }
.prize-card--merit { --tier: var(--c-violet-400); }
.prize-card--all { --tier: var(--c-ink-300); }
.prize-card__head > div { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); width: 100%; }
.prize-card__tier { display: inline-flex; align-items: center; gap: var(--space-2); font-size: 1.125rem; color: var(--color-text); }
.prize-card__tier::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--tier); box-shadow: 0 0 10px var(--tier); }
.prize-card__count { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--color-text-subtle); white-space: nowrap; }
.card .prize-card__cash { font-family: var(--font-display); font-weight: 700; font-size: 2.25rem; letter-spacing: 0; color: var(--color-text); line-height: 1.05; margin: 0; }
.card .prize-card__cash small { display: block; margin-top: var(--space-2); font-size: var(--fs-sm); font-weight: 400; letter-spacing: 0; color: var(--color-text-subtle); }
.prize-card--featured { border-color: rgba(245, 196, 81, .45); box-shadow: 0 0 40px -10px rgba(245, 196, 81, .35); }

/* judge cards: outlined placeholder boxes */
.judge-card { display: flex; flex-direction: column; gap: var(--space-3); }
.judge-card__avatar {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(60% 70% at 50% 100%, rgba(37, 99, 255, .18), transparent 70%),
    rgba(3, 4, 9, .5);
}
.silhouette { width: 42%; height: auto; fill: rgba(143, 182, 255, .28); filter: drop-shadow(0 0 12px rgba(37, 99, 255, .35)); }
.judge-card--soon .judge-card__name { font-size: var(--fs-md); font-weight: 500; color: var(--color-text-muted); text-align: center; }
.judge-card__name { font-size: 1.0625rem; color: var(--color-text); }
.judge-card__meta { margin: 0; font-size: var(--fs-sm); color: var(--color-text-subtle); }
.judge-card__bio { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); }
/* confirmed judges: round photo, centered */
.judge-card--person { align-items: center; text-align: center; padding-top: var(--space-6); }
.judge-card__photo {
  width: 120px; height: 120px;
  margin-bottom: var(--space-2);
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-line-strong);
  box-shadow: 0 0 0 6px rgba(37, 99, 255, .08), 0 0 32px rgba(37, 99, 255, .3);
  background: var(--c-night-900);
}
.judge-card--person .judge-card__name { font-size: var(--fs-lg); }
.judge-card--person .tags { justify-content: center; margin-top: var(--space-2); }
.judge-card--soon { align-items: center; justify-content: center; text-align: center; padding-top: var(--space-6); }
.judge-card--soon .judge-card__avatar { width: 120px; height: 120px; aspect-ratio: 1; border-radius: 50%; }
.judge-card--soon .silhouette { width: 56%; }
.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; }
.tags li { padding: 2px var(--space-3); border: 1px solid var(--color-line); border-radius: var(--radius-pill); font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--color-link); }
@media (max-width: 560px) {
  .judge-card--person { display: flex; }
  .judge-card--soon { display: flex !important; }
  .judge-card__bio, .judge-card .tags { grid-column: 1 / -1; }
  .judge-card { display: grid; grid-template-columns: 88px 1fr; column-gap: var(--space-4); row-gap: var(--space-1); align-items: center; }
  .judge-card__avatar { grid-row: span 2; aspect-ratio: 1; }
  .judge-card__name { align-self: end; }
  .judge-card__meta { align-self: start; }
}

/* workshop cards */
.workshop-card { display: flex; flex-direction: column; gap: var(--space-4); }
.workshop-card__when {
  align-self: flex-start;
  padding: 4px var(--space-3);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-link);
}
.workshop-card__title { font-size: 1.375rem; font-weight: 700; }

/* org cards */
.org-card__name { font-size: 1.25rem; color: var(--color-text); margin-bottom: var(--space-4); }

/* ---------- 13. Callout + placeholder ---------- */
.callout {
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(37, 99, 255, .12), rgba(12, 20, 48, .4) 40%);
  box-shadow: inset 3px 0 0 var(--color-accent);
}
.callout--gold { border-color: rgba(245, 196, 81, .35); background: linear-gradient(90deg, rgba(245, 196, 81, .1), rgba(12, 20, 48, .4) 40%); box-shadow: inset 3px 0 0 var(--color-highlight); }
.callout__title { font-size: var(--fs-h3); margin-bottom: var(--space-3); }
.callout p { color: var(--color-text-muted); }

.tbd {
  font-family: var(--font-mono);
  font-size: .85em;
  color: var(--color-placeholder);
  border-bottom: 1px dashed var(--color-placeholder);
}
.placeholder-box {
  display: grid;
  place-items: center;
  gap: var(--space-3);
  min-height: 220px;
  padding: var(--space-6);
  border: 1px dashed rgba(245, 196, 81, .5);
  border-radius: var(--radius);
  background: rgba(245, 196, 81, .03);
  text-align: center;
}

.fineprint { margin-top: var(--space-5); font-size: var(--fs-sm); color: var(--color-text-subtle); max-width: var(--measure); }

/* ---------- 14. Timeline ---------- */
.timeline { list-style: none; display: grid; gap: var(--space-2); }
.tl-row {
  display: grid;
  grid-template-columns: 150px 1fr 160px;
  gap: var(--space-5);
  align-items: start;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: border-color var(--dur);
}
.tl-date { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--color-link); line-height: 1.5; }
.tl-date small { display: block; margin-top: 2px; font-size: var(--fs-xs); color: var(--color-text-subtle); }
.tl-title { font-size: var(--fs-lg); line-height: 1.3; margin-bottom: var(--space-1); }
.tl-body p { color: var(--color-text-muted); font-size: var(--fs-md); }
.tl-meter { display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); padding-top: 6px; }
.tl-bar {
  --fill: 0;
  position: relative;
  width: 100%;
  max-width: 140px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: rgba(59, 123, 255, .15);
  overflow: hidden;
}
.tl-bar::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--fill) * 1%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-blue-600), var(--c-blue-300));
  box-shadow: 0 0 10px rgba(59, 123, 255, .8);
}
.tl-status { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--color-text-subtle); min-height: 1.2em; }
.tl-row.is-done .tl-title { color: var(--color-text-muted); }
.tl-row.is-done .tl-status { color: var(--color-link); }
.tl-row.is-live, .tl-row.is-next { border-color: var(--color-line-strong); box-shadow: var(--glow-md); }
.tl-row.is-live .tl-status, .tl-row.is-next .tl-status { color: var(--color-link-hover); }
.tl-row--key .tl-title { color: var(--color-text); }
.tl-row--key .tl-date { color: var(--color-link-hover); }

/* compact variant for half-width columns */
.timeline--compact .tl-row { grid-template-columns: 96px 1fr auto; gap: var(--space-4); padding-block: var(--space-3); }
.timeline--compact .tl-title { font-size: var(--fs-md); margin: 0; }
.timeline--compact .tl-bar { width: 80px; }

@media (max-width: 720px) {
  .tl-row { grid-template-columns: 1fr auto; gap: var(--space-2) var(--space-4); padding-inline: var(--space-4); }
  .tl-date { grid-column: 1; grid-row: 1; }
  .tl-meter { grid-column: 2; grid-row: 1; }
  .tl-body { grid-column: 1 / -1; grid-row: 2; }
  .tl-bar { width: 72px; }
}

/* ---------- 15. Data table (rubrics) ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--color-line); border-radius: var(--radius); background: var(--color-surface); }
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-md); }
.data-table th, .data-table td { padding: var(--space-4) var(--space-5); text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-line); }
.data-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--color-text-subtle);
  background: rgba(3, 4, 9, .4);
}
.data-table tbody th { font-weight: 400; color: var(--color-text); }
.data-table td, .data-table thead th:last-child { text-align: right; white-space: nowrap; }
.data-table td { font-family: var(--font-mono); color: var(--color-link-hover); }
.data-table tr.total th, .data-table tr.total td { border-bottom: 0; font-weight: 600; color: var(--color-text); background: rgba(37, 99, 255, .08); }
@media (max-width: 560px) { .data-table th, .data-table td { padding: var(--space-3) var(--space-4); font-size: var(--fs-sm); } }

/* ---------- 16. FAQ ---------- */
.faq { display: grid; gap: var(--space-2); }
.faq__group-title { font-size: 1.5rem; margin: var(--space-7) 0 var(--space-4); }
.faq__group-title:first-child { margin-top: 0; }
.faq__item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: border-color var(--dur);
}
.faq__item[open] { border-color: var(--color-line-strong); }
.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  font-weight: 500;
  font-size: var(--fs-md);
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 26px; height: 26px;
  border: 1px solid var(--color-line-strong);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--color-link);
}
.faq__item[open] summary::after { content: "\2212"; background: rgba(37, 99, 255, .2); }
.faq__item summary:hover { color: var(--color-link-hover); }
.faq__answer { padding: 0 var(--space-5) var(--space-5); max-width: var(--measure); }
.faq__answer p, .faq__answer li { color: var(--color-text-muted); }

/* ---------- 17. CTA band ---------- */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) var(--space-5);
  text-align: center;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--c-night-950);
  box-shadow: var(--glow-md);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 20% -10% -40%;
  z-index: -1;
  background:
    radial-gradient(40% 60% at 30% 70%, rgba(139, 108, 255, .45), transparent 70%),
    radial-gradient(50% 70% at 65% 80%, rgba(37, 99, 255, .6), transparent 70%);
  filter: blur(40px);
}
.cta-band__title { font-size: var(--fs-h2); }
.cta-band p { max-width: 52ch; margin: var(--space-5) auto 0; color: var(--color-text-muted); font-size: var(--fs-lg); }
.cta-band .eyebrow { margin: 0 0 var(--space-4); }
.cta-band .btn-row { justify-content: center; margin-top: var(--space-6); }

/* ---------- 18. Quote ---------- */
.quote {
  position: relative;
  margin: 0;
  padding: clamp(24px, 4vw, 40px) clamp(24px, 4vw, 48px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(139, 108, 255, .12), var(--color-surface) 45%);
}
.quote blockquote { margin: 0; }
.quote p { font-family: var(--font-quote); font-style: italic; font-size: var(--fs-xl); line-height: 1.6; color: var(--color-text); }
.quote { display: flex; flex-direction: column; }

.quote figcaption { margin-top: auto; padding-top: var(--space-5); font-size: var(--fs-sm); color: var(--color-text-subtle); }
.quote figcaption b { display: block; font-family: var(--font-display); font-size: var(--fs-md); color: var(--color-text); font-weight: 600; }
.quote__by { display: flex; align-items: center; gap: var(--space-4); }
/* founder quotes: stacked, full width of the narrow container */
/* founder quotes: one row per person, photo + name on the left, quote on the right, no card */
.quotes { display: grid; }
.quotes .quote {
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  align-items: center;
  gap: var(--space-6) clamp(32px, 5vw, 72px);
  padding: clamp(32px, 5vw, 56px) 0;
  border: 0;
  border-radius: 0;
  background: none;
}
.quotes .quote + .quote { border-top: 1px solid var(--color-line); }
.quotes .quote figcaption { grid-column: 1; grid-row: 1; margin: 0; padding: 0; }
.quotes .quote blockquote { grid-column: 2; grid-row: 1; }
.quotes .quote p { font-size: clamp(1.25rem, 1.05rem + 0.75vw, 1.625rem); line-height: 1.6; }
.quotes .quote__by { flex-direction: column; align-items: center; gap: var(--space-2); text-align: center; }
.quotes .quote__by > span:last-child { display: flex; flex-direction: column; gap: 2px; }
.quotes .quote__by b { font-size: var(--fs-lg); }
.quotes .quote__role { font-family: var(--font-body); font-size: var(--fs-sm); color: var(--color-text-muted); max-width: 26ch; }
.quotes .avatar {
  width: 160px; height: 160px;
  margin-bottom: var(--space-3);
  border: 2px solid var(--color-line-strong);
  background: var(--c-night-900);
  box-shadow: 0 0 0 6px rgba(37, 99, 255, .08), 0 0 36px rgba(37, 99, 255, .35);
}
.quotes .avatar img { display: block; }
@media (max-width: 720px) {
  .quotes .quote { grid-template-columns: 1fr; text-align: center; }
  .quotes .quote figcaption, .quotes .quote blockquote { grid-column: 1; grid-row: auto; }
  .quotes .quote figcaption { order: -1; }
  .quotes .avatar { width: 128px; height: 128px; }
}
.quote__role { display: block; font-size: var(--fs-xs); line-height: 1.5; }
.avatar {
  flex: none;
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid var(--color-line-strong);
  background: radial-gradient(circle at 30% 30%, rgba(139, 108, 255, .5), rgba(37, 99, 255, .35) 60%, var(--c-night-900));
  box-shadow: 0 0 16px rgba(37, 99, 255, .35);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 19. Footer ---------- */
.site-footer {
  margin-top: var(--space-9);
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--color-line);
  background: linear-gradient(180deg, rgba(8, 13, 29, .6), var(--color-bg));
  font-size: var(--fs-sm);
}
.site-footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: var(--space-6); }
.site-footer__brand .lockup { margin-bottom: var(--space-4); }
.site-footer__brand p { color: var(--color-text-subtle); max-width: 36ch; margin-bottom: var(--space-2); }
.site-footer__col h2 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.site-footer__col ul { list-style: none; display: grid; gap: var(--space-2); }
.site-footer__col a { color: var(--color-text-muted); text-decoration: none; }
.site-footer__col a:hover { color: var(--color-link); }
.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  font-size: var(--fs-xs);
  color: var(--color-text-subtle);
}
@media (max-width: 860px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

/* ---------- 20. 404 ---------- */
.error-screen { padding-block: clamp(64px, 12vw, 140px); text-align: center; }
.error-screen__code {
  font-size: clamp(72px, 16vw, 160px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  background: linear-gradient(180deg, #fff, var(--c-blue-300) 60%, var(--c-blue-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 30px rgba(37, 99, 255, .45));
}
.error-screen h1 { font-size: var(--fs-h2); margin-top: var(--space-5); }
.error-screen__text { margin-top: var(--space-4); font-size: var(--fs-lg); color: var(--color-text-muted); }

/* ---------- 20a. Guidebook popup ---------- */
.link-btn { padding: 0; border: 0; background: none; font: inherit; font-family: var(--font-display); color: var(--color-text-muted); cursor: pointer; text-align: left; }
.link-btn:hover { color: var(--color-link); }
.gb-open, .gb-open body { overflow: hidden; }
.gb-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: var(--gutter); }
.gb-modal[hidden] { display: none !important; }
.gb-modal__backdrop { position: absolute; inset: 0; background: rgba(3, 4, 9, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.gb-modal__panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: min(100%, 520px);
  max-height: calc(100vh - 2 * var(--gutter));
  overflow-y: auto;
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background: var(--c-night-950);
  box-shadow: var(--glow-md), 0 30px 80px -20px rgba(0, 0, 0, .8);
  animation: gb-in var(--dur) ease-out;
}
.gb-modal__panel::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto 30%;
  height: 90%;
  z-index: -1;
  background:
    radial-gradient(45% 50% at 40% 50%, rgba(139, 108, 255, .4), transparent 70%),
    radial-gradient(40% 45% at 75% 60%, rgba(37, 99, 255, .45), transparent 70%);
  filter: blur(40px);
}
@keyframes gb-in { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
.gb-modal__close {
  position: absolute; top: var(--space-4); right: var(--space-4);
  display: grid; place-items: center;
  width: 36px; height: 36px; padding: 0;
  border: 1px solid var(--color-line); border-radius: 50%;
  background: rgba(3, 4, 9, .5); color: var(--color-text-muted);
  font-size: 22px; line-height: 1; cursor: pointer;
}
.gb-modal__close:hover { color: var(--color-text); border-color: var(--color-line-strong); }
.gb-modal__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); padding-right: var(--space-7); }
.gb-modal__text { margin-top: var(--space-4); color: var(--color-text-muted); }
/* Tally renders its form for light backgrounds, so it sits on a light panel */
.gb-modal__form { margin-top: var(--space-5); padding: var(--space-4) var(--space-4) 0; border: 1px solid rgba(143, 182, 255, .5); border-radius: var(--radius); background: #f3f6ff; box-shadow: 0 0 0 4px rgba(37, 99, 255, .12); }
.gb-modal__form:has(.gb-modal__pending) { padding: 0; border: 0; background: none; box-shadow: none; }
.gb-modal__form iframe { display: block; border: 0; }
.gb-modal__done { display: grid; justify-items: start; gap: var(--space-4); margin-top: var(--space-5); }
.gb-modal__done[hidden] { display: none; }
.gb-modal__done-title { margin: 0; font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--color-text); }
.gb-modal__pending { padding: var(--space-5); border: 1px dashed rgba(245, 196, 81, .5); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--color-placeholder); }
/* ---------- 20b. Type roles ---------- */
.nav-links a, .announce a, .link-arrow, .explore-card__go, .faq__item summary,
.prize-card__tier, .countdown__label, .judge-card__name, .tl-title, .data-table tbody th,
.glance dd strong, .site-footer__col a { font-family: var(--font-display); }
.nav-links a { font-size: var(--fs-md); font-weight: 500; }
.faq__item summary { font-size: var(--fs-lg); font-weight: 600; }
.glance dt, .countdown__cap, .quote__role, .site-footer__base, .fineprint .tbd { font-family: var(--font-mono); }
.glance dt { font-size: var(--fs-xs); padding-top: 3px; }
.avatar { font-family: var(--font-display); }
.tbd { font-family: var(--font-mono); }

/* ---------- 21. Utilities (last, so they win over component defaults) ---------- */
.text-muted { color: var(--color-text-muted); }
.text-subtle { color: var(--color-text-subtle); }
.text-center { text-align: center; }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.mt-auto { margin-top: auto; }

/* ---------- 22. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}