/* ═══════════════════════════════════════════════════════════════
   STRIÉ — base.css
   Design tokens · reset · typography · shared primitives
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* — Strict brand palette — */
  --alabaster:      #F4F1EA;
  --alabaster-deep: #ECE7DB;
  --onyx:           #1C1B19;
  --onyx-soft:      #262420;
  --onyx-veil:      rgba(28, 27, 25, 0.42);

  /* — Warm secondary neutrals — */
  --taupe:          #A29481;
  --taupe-deep:     #7E7261;
  --skin:           #C9B6A1;
  --sand:           #D8C5A9;
  --linen:          #E3DCCB;

  /* — Fragrance accents (muted, warm) — */
  --acc-sand:       #C7AC83;
  --acc-forest:     #5A6350;
  --acc-petal:      #B4959B;

  /* — Type — */
  --serif: "Cormorant Garamond", "EB Garamond", Garamond, "Times New Roman", serif;
  --sans:  "Manrope", "Helvetica Neue", Arial, sans-serif;

  /* — Rhythm — */
  --gutter: clamp(1.5rem, 5.5vw, 7rem);
  --section-pad: clamp(6rem, 13vh, 11rem);

  /* — Motion: liquid, never bouncy — */
  --ease-silk:  cubic-bezier(0.22, 1, 0.36, 1);
  --ease-glaze: cubic-bezier(0.65, 0.05, 0, 1);
  --dur-slow:   1.4s;
  --dur-med:    0.9s;
}

/* — Reset — */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--alabaster);
  color: var(--onyx);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.015em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

body.is-locked { overflow: hidden; }

/* Smooth-scroll mode: content is fixed & transformed */
body.has-smooth #scroll-content {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  will-change: transform;
}

::selection {
  background: var(--onyx);
  color: var(--alabaster);
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

em { font-style: italic; }

/* Custom cursor takes over on fine pointers */
@media (pointer: fine) {
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button,
  body.has-cursor input,
  body.has-cursor label { cursor: none; }
}

/* ── Typographic primitives ─────────────────────────────────── */

.label {
  font-family: var(--sans);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--taupe-deep);
}

.section-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.1rem, 4.6vw, 4.1rem);
  line-height: 1.16;
  letter-spacing: 0.035em;
  max-width: 22ch;
}

.section-head {
  padding: 0 var(--gutter);
  margin-bottom: clamp(4rem, 9vh, 8rem);
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.section-head--dark .section-title { color: var(--alabaster); }
.section-head--dark .label { color: var(--taupe); }

.section-sub {
  max-width: 46ch;
  color: var(--onyx);
  font-size: 14.5px;
  font-weight: 400;
}

/* Underline link — draws a liquid hairline */
.link-line {
  position: relative;
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--onyx);
  padding-bottom: 0.55em;
}

.link-line::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--onyx);
  transform: scaleX(0.35);
  transform-origin: left;
  transition: transform 0.8s var(--ease-silk);
}

a:hover .link-line::after,
.frag:hover .link-line::after,
.link-line:hover::after { transform: scaleX(1); }

/* ── Buttons ────────────────────────────────────────────────── */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8em;
  padding: 1.15em 2.6em;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  overflow: hidden;
  transition: color 0.6s var(--ease-silk), border-color 0.6s var(--ease-silk),
              transform 0.6s var(--ease-silk), opacity 0.4s ease;
}

.btn span, .btn em { position: relative; z-index: 1; font-style: normal; }

.btn::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  transform: translateY(102%);
  transition: transform 0.7s var(--ease-silk);
}

.btn:hover::before { transform: translateY(0); }
.btn:active { transform: scale(0.985); }

.btn--solid {
  background: var(--onyx);
  color: var(--alabaster);
}
.btn--solid::before { background: var(--taupe-deep); }

.btn--ghost {
  border: 1px solid rgba(28, 27, 25, 0.28);
  color: var(--onyx);
}
.btn--ghost::before { background: var(--onyx); }
.btn--ghost:hover { color: var(--alabaster); border-color: var(--onyx); }

.btn--text {
  padding: 0.9em 0;
  letter-spacing: 0.26em;
  color: var(--taupe-deep);
}
.btn--text:hover { color: var(--onyx); }

.btn[disabled] { opacity: 0.45; pointer-events: none; }

/* ── Reveal system ──────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(46px);
  transition: opacity 1.3s var(--ease-silk), transform 1.3s var(--ease-silk);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-inview { opacity: 1; transform: translateY(0); }

/* Word-split headings */
.split-w {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: 0.08em;   /* protect descenders */
  margin-bottom: -0.08em;
}

.split-w > span {
  display: inline-block;
  transform: translateY(115%) rotate(2deg);
  transition: transform 1.25s var(--ease-silk);
  transition-delay: calc(var(--i) * 70ms);
}

.is-inview .split-w > span { transform: translateY(0) rotate(0deg); }

/* ── Accessibility / motion preferences ─────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .split-w > span { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 1px solid var(--taupe-deep);
  outline-offset: 4px;
  border-radius: 2px;
}