/* ============================================================================
   BASE — reset, typography, layout primitives, utilities.
   ============================================================================ */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: var(--tracking-mid);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Headings ────────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.005em;
  color: var(--c-ink);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 600; }

p { color: var(--c-ink-soft); }

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

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol { list-style: none; padding: 0; }

button, input, textarea, select { font: inherit; color: inherit; }

/* ── Selection & scrollbar ─────────────────────────────────────────────────*/
::selection { background: var(--c-gold); color: var(--c-bg); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb {
  background: var(--c-gold-deep);
  border-radius: 20px;
  border: 3px solid var(--c-bg);
}
html { scrollbar-color: var(--c-gold-deep) var(--c-bg); scrollbar-width: thin; }

/* ── Focus (accessibility) ─────────────────────────────────────────────────*/
:focus-visible {
  outline: 2px solid var(--c-gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Layout primitives ─────────────────────────────────────────────────────*/
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 880px; }

.section { padding-block: var(--space-xl); }
.section--tight { padding-block: var(--space-lg); }

main { display: block; }

/* ── Eyebrow / small-caps label ───────────────────────────────────────────*/
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-gold);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.6;
}
.eyebrow--center::after {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.6;
}

/* ── Section heading block ─────────────────────────────────────────────────*/
.section-head { max-width: var(--maxw-text); margin-bottom: var(--space-lg); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head p { margin-top: var(--space-sm); font-size: var(--fs-lead); }

/* ── Thin gold rule ────────────────────────────────────────────────────────*/
.rule { height: 1px; background: var(--c-line); border: 0; }

/* ── Text helpers ─────────────────────────────────────────────────────────*/
.text-gold   { color: var(--c-gold); }
.text-mute   { color: var(--c-ink-mute); }
.text-center { text-align: center; }
.serif       { font-family: var(--font-display); }

/* Accessible visually-hidden (for skip link, labels) */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 50%; top: 0;
  transform: translate(-50%, -120%);
  background: var(--c-gold); color: var(--c-bg);
  padding: 0.6rem 1.2rem; border-radius: 0 0 var(--radius) var(--radius);
  font-size: var(--fs-small); font-weight: 500; z-index: 1000;
  transition: transform var(--dur-fast) var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ── Scroll-reveal animation base (JS adds .is-visible) ────────────────────*/
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}