/* ============================================================
   Trivie — Base (v2): reset, type roles, layout, buttons, reveal.
   Fraunces broadsheet + Inter Tight grotesque. No cards/shadows;
   hairline ink rules and one continuous light do the work.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-text);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: var(--navy-950);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;            /* clip (not hidden) — hidden creates a scroll container that BREAKS position:sticky */
}
/* anchor targets clear the fixed header */
main [id] { scroll-margin-top: clamp(64px, 8vh, 88px); }
::selection { background: var(--sun); color: var(--accent-ink); }

img, svg, canvas, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul { list-style: none; }
:focus-visible { outline: var(--focus); outline-offset: 3px; border-radius: var(--r-xs); }

/* film grain over the whole substrate */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  /* GPU-generated film grain — zero file weight (was a 196KB PNG) */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  opacity: 0.06; mix-blend-mode: overlay;
}
@media (prefers-reduced-motion: reduce) { .grain { display: none; } }

/* ---- Type roles ---- */
.display, .h1, .h2, .h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.015em;
  text-wrap: balance;
  font-optical-sizing: auto;
}
.h1 { font-size: var(--ms-5); }
.h2 { font-size: clamp(2.369rem, 1.6rem + 3vw, 3.157rem); line-height: 1.06; }
.h3 { font-size: var(--ms-2); }

.subhead { font-family: var(--font-text); font-size: var(--ms-1); font-weight: 400; line-height: 1.4; color: var(--ink-muted); text-wrap: pretty; }
.lead { font-size: var(--ms-1); line-height: 1.5; color: var(--ink); text-wrap: pretty; }
.body { font-size: var(--ms-0); line-height: 1.62; color: var(--ink-muted); }
.measure { max-width: var(--measure); }

.eyebrow {
  font-family: var(--font-text); font-size: var(--ms-dn1); font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--sun-deep);
  display: inline-flex; align-items: center; gap: var(--space-3);
}
.eyebrow::before { content: ""; width: var(--space-6); height: 1px; background: currentColor; opacity: .6; }
.eyebrow.center { justify-content: center; }

.caption { font-size: var(--ms-dn1); letter-spacing: 0.01em; color: var(--ink-muted); }

/* soil variants — text on the navy lower half */
.soil.eyebrow, .eyebrow.soil { color: var(--sun); }
.h2.soil, .soil .h2 { color: var(--ink-on-soil); }
.lead.soil { color: var(--ink-on-soil); }
.body.soil { color: var(--ink-on-soil-muted); }

/* numerals always tabular where they line up */
.tabnum, .stat-num { font-variant-numeric: tabular-nums lining-nums; }

/* ---- Layout primitives ---- */
.shell { width: var(--shell); margin-inline: auto; padding-inline: var(--edge); }
.shell-wide { width: var(--shell-wide); margin-inline: auto; padding-inline: var(--edge); }
.shell-narrow { width: var(--shell-narrow); margin-inline: auto; padding-inline: var(--edge); }
.section-head { text-align: center; max-width: 40rem; margin-inline: auto; margin-bottom: var(--space-8); }
.section-head .eyebrow { margin-bottom: var(--space-4); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 54px; padding: var(--space-3) var(--space-6); border-radius: var(--r-pill);
  font-family: var(--font-text); font-weight: 600; font-size: var(--ms-0); letter-spacing: 0.01em; line-height: 1;
  transition: transform var(--dur-element) var(--ease-standard), box-shadow var(--dur-element), background var(--dur-element), color var(--dur-element);
  will-change: transform;
}
.btn-primary { background: var(--sun); color: var(--accent-ink); }
.btn-primary:hover { background: var(--marigold); transform: translateY(-2px); }
.btn-ink { background: var(--navy-800); color: var(--cream); min-height: 46px; padding: var(--space-2) var(--space-5); font-size: var(--ms-dn1); }
.btn-ink:hover { background: var(--navy-700); transform: translateY(-2px); }
.btn .arrow { transition: transform var(--dur-element) var(--ease-standard); }
.btn:hover .arrow { transform: translateX(4px); }
.magnetic { display: inline-block; }

/* ghost CTA — hairline outline in ink (sky) */
.cta-ghost {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-text); font-weight: 600; font-size: var(--ms-dn1); letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink); padding-bottom: var(--space-2);
  border-bottom: 1.5px solid var(--ink); transition: gap var(--dur-element) var(--ease-standard), color var(--dur-element);
}
.cta-ghost:hover { gap: var(--space-4); }
.cta-ghost .arrow { transition: transform var(--dur-element) var(--ease-standard); }
.cta-ghost:hover .arrow { transform: translateY(3px); }

/* ---- The one reveal verb: rise (gated behind .js so content is visible without JS) ---- */
.js .reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity var(--dur-cinematic) var(--ease-expressive), transform var(--dur-cinematic) var(--ease-expressive);
}
.js [data-stagger] > * { opacity: 0; transform: translateY(22px); }
[data-stagger].is-in > * { opacity: 1; transform: none; transition: opacity var(--dur-cinematic) var(--ease-expressive), transform var(--dur-cinematic) var(--ease-expressive); }
[data-stagger].is-in > *:nth-child(2) { transition-delay: 90ms; }
[data-stagger].is-in > *:nth-child(3) { transition-delay: 180ms; }
[data-stagger].is-in > *:nth-child(4) { transition-delay: 270ms; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js [data-stagger] > * { opacity: 1 !important; transform: none !important; }
}

/* ---- scroll progress + skip ---- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--sun); z-index: 200; transition: width 80ms linear; }
.skip-link { position: absolute; left: 50%; transform: translateX(-50%) translateY(-160%); top: var(--space-3); background: var(--navy-800); color: var(--cream); padding: var(--space-2) var(--space-4); border-radius: var(--r-sm); z-index: 300; transition: transform var(--dur-element); }
.skip-link:focus { transform: translateX(-50%) translateY(0); }