/* ============================================================
   AURUM — luxury jewellery. Deep charcoal, real gold, Marcellus
   serif, slow and opulent. The faceted gold gem is a fixed canvas
   behind; content stays readable if WebGL/Three fail (charcoal
   gradient + vignette remain). A different WORLD again.
   ============================================================ */
:root {
  --char: #0d0b08;
  --char-2: #14110c;
  --ink: #f2ebdc;
  --ink-soft: #9a9080;
  --gold: #d4af37;
  --gold-soft: #c9a86a;
  --gold-deep: #8a6d22;
  --line: rgba(212, 175, 55, 0.2);
  --serif: "Marcellus", Georgia, serif;
  --sans: "Mulish", system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body {
  background: radial-gradient(120% 110% at 65% 12%, #1a150d 0%, var(--char) 56%);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
}
body.ready, body.ready * { cursor: none; }
@media (hover: none) { body.ready, body.ready * { cursor: auto; } .cursor { display: none; } }
em { font-style: italic; color: var(--gold); }
a { color: inherit; text-decoration: none; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; pointer-events: none; }
.vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(120% 100% at 50% 45%, transparent 52%, rgba(0,0,0,0.55) 100%); }

.cursor {
  position: fixed; top: 0; left: 0; z-index: 90; width: 36px; height: 36px; margin: -18px 0 0 -18px;
  border: 1px solid var(--gold); border-radius: 50%; pointer-events: none;
  transition: width .4s var(--ease), height .4s var(--ease), background .4s, border-color .4s;
}
.cursor.hov { width: 66px; height: 66px; margin: -33px 0 0 -33px; background: rgba(212,175,55,0.12); border-color: transparent; }

#preloader { position: fixed; inset: 0; z-index: 100; background: var(--char); display: grid; place-items: center; }
.pre-mark { font-family: var(--serif); font-size: clamp(1.6rem, 6vw, 2.6rem); letter-spacing: 0.5em; color: var(--gold); padding-left: 0.5em; }

.nav, main, .foot { position: relative; z-index: 3; }
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 26px clamp(22px, 6vw, 84px); position: fixed; top: 0; left: 0; width: 100%; z-index: 40;
}
.brand { font-family: var(--serif); font-size: 1.6rem; letter-spacing: 0.34em; padding-left: 0.34em; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); }
.nav-links a { font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); transition: color .3s; }
.nav-links a:hover { color: var(--gold); }
.nav-cta { border: 1px solid var(--line); border-radius: 0; padding: 11px 22px !important; color: var(--gold) !important; transition: background .4s var(--ease), color .4s; }
.nav-cta:hover { background: var(--gold); color: var(--char) !important; }
@media (max-width: 700px){ .nav-links a:not(.nav-cta){ display:none; } }

/* hero */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 0 clamp(22px, 6vw, 84px); max-width: 980px; }
.eyebrow { font-size: 0.76rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 30px; }
.title { font-family: var(--serif); font-weight: 400; font-size: clamp(3.4rem, 14vw, 11rem); line-height: 0.92; letter-spacing: 0.01em; }
.ln { display: block; overflow: hidden; }
.ln > span { display: block; }
.sub { margin-top: clamp(26px, 4vw, 42px); max-width: 50ch; color: var(--ink-soft); font-size: clamp(1.02rem, 1.4vw, 1.2rem); }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: clamp(32px, 4vw, 46px); }

.btn { display: inline-block; font-family: var(--sans); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; padding: 16px 36px; transition: transform .4s var(--ease), background .4s, color .4s, border-color .4s; }
.btn-fill { background: var(--gold); color: var(--char); }
.btn-fill:hover { background: var(--ink); }
.btn-line { border: 1px solid var(--line); color: var(--gold); }
.btn-line:hover { border-color: var(--gold); }
.btn.big { padding: 19px 48px; }

.cue { display: inline-flex; align-items: center; gap: 12px; margin-top: 54px; font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); }
.cue i { width: 50px; height: 1px; background: var(--gold); transform-origin: left; animation: cue 2.6s var(--ease) infinite; }
@keyframes cue { 0%,100%{transform:scaleX(.3);opacity:.5} 50%{transform:scaleX(1);opacity:1} }

/* shared */
.sec-tag { font-family: var(--serif); font-size: 0.86rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 26px; }
.sec-tag.light { color: rgba(212,175,55,0.7); }
.sec-head { margin-bottom: clamp(40px, 6vw, 70px); }
.sec-title { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.04; }

.manifesto { padding: clamp(90px, 14vw, 180px) clamp(22px, 6vw, 84px); max-width: 1040px; }
.stmt { font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 4.4vw, 3.7rem); line-height: 1.24; }

/* collections */
.collections { padding: clamp(40px, 6vw, 80px) clamp(22px, 6vw, 84px) clamp(90px, 12vw, 150px); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: rgba(13,11,8,0.6); backdrop-filter: blur(3px); padding: clamp(32px, 3vw, 50px); min-height: 300px; display: flex; flex-direction: column; transition: background .5s var(--ease); }
.card:hover { background: rgba(26,21,13,0.85); }
.card-no { font-family: var(--serif); color: var(--gold-soft); letter-spacing: 0.12em; }
.card h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 2.6vw, 2.2rem); margin-top: 24px; }
.card p { color: var(--ink-soft); margin-top: 16px; flex-grow: 1; font-size: 0.98rem; }
.explore { margin-top: 26px; font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); }

/* atelier */
.atelier { padding: clamp(60px, 9vw, 120px) clamp(22px, 6vw, 84px); border-top: 1px solid var(--line); }
.atelier-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(34px, 4vw, 60px); margin-top: 14px; }
.rn { font-family: var(--serif); color: var(--gold-soft); font-size: 1.1rem; }
.atelier-item h4 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.4rem, 2vw, 1.9rem); margin: 14px 0 12px; }
.atelier-item p { color: var(--ink-soft); font-size: 0.96rem; max-width: 32ch; }

/* provenance quote */
.provenance { padding: clamp(70px, 11vw, 150px) clamp(22px, 6vw, 84px); max-width: 1020px; }
.quote { margin-top: clamp(30px, 5vw, 56px); }
.quote blockquote { font-family: var(--serif); font-weight: 400; font-style: italic; font-size: clamp(1.5rem, 3.6vw, 2.9rem); line-height: 1.3; }
.quote figcaption { margin-top: 20px; font-size: 0.74rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); }

/* visit band */
.visit { background: linear-gradient(180deg, #14110c, #0a0805); border-top: 1px solid var(--line); margin-top: clamp(40px, 6vw, 70px); }
.visit-inner { padding: clamp(80px, 13vw, 170px) clamp(22px, 6vw, 84px); max-width: 900px; }
.visit-title { font-family: var(--serif); font-weight: 400; font-size: clamp(2.4rem, 7vw, 5.4rem); line-height: 1; }
.visit-sub { margin: 28px 0 40px; max-width: 46ch; color: var(--ink-soft); font-size: clamp(1rem, 1.4vw, 1.16rem); }
.visit-meta { display: flex; gap: clamp(20px, 4vw, 50px); flex-wrap: wrap; margin-top: 56px; padding-top: 30px; border-top: 1px solid var(--line); font-size: 0.82rem; letter-spacing: 0.1em; color: var(--ink-soft); }

.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 36px clamp(22px, 6vw, 84px); }
.foot-brand { font-family: var(--serif); font-size: 1.2rem; letter-spacing: 0.3em; padding-left: 0.3em; color: var(--gold-soft); }
.foot-note { font-size: 0.74rem; color: var(--ink-soft); letter-spacing: 0.03em; align-self: center; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; scroll-behavior: auto; } }