/* Asfour Crystal concept — design system */
:root{
  --ink:#111014;
  --ink-soft:#3d3a40;
  --paper:#f6f3ec;
  --paper-2:#efeade;
  --white:#fffdf9;
  --night:#0b0a0d;
  --night-2:#151318;
  --gold:#c9a35c;
  --gold-deep:#a5813f;
  --line:rgba(17,16,20,.12);
  --line-light:rgba(246,243,236,.16);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',-apple-system,'Helvetica Neue',sans-serif;
  --ease:cubic-bezier(.22,.61,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,blockquote{font-family:var(--serif);font-weight:500;letter-spacing:.01em}
h1{font-size:clamp(3rem,7.2vw,6.4rem);line-height:.98}
h2{font-size:clamp(2.1rem,4.4vw,3.6rem);line-height:1.05}
h3{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.12}
.gold-dot{color:var(--gold)}
.eyebrow{font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.eyebrow.gold{color:var(--gold)}
.lede{font-size:clamp(1rem,1.4vw,1.2rem);line-height:1.65;color:var(--ink-soft);max-width:34rem}
.section-sub{font-size:1rem;line-height:1.65;color:var(--ink-soft);max-width:36rem}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.22s}.reveal.d3{transition-delay:.34s}
.reveal.in{opacity:1;transform:none}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;gap:2rem;
  padding:1rem clamp(1.2rem,4vw,3rem);transition:background .4s,box-shadow .4s,padding .4s}
.nav.scrolled{background:rgba(246,243,236,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 1px 0 var(--line);padding-block:.7rem}
.wordmark{font-family:var(--serif);font-size:1.28rem;letter-spacing:.24em;font-weight:600;line-height:1}
.wordmark span{display:block;font-size:.58rem;letter-spacing:.52em;color:var(--gold-deep);margin-top:.22rem}
.nav-links{display:flex;gap:1.8rem;margin-left:auto}
.nav-links a{font-size:.82rem;letter-spacing:.08em;color:var(--ink-soft);position:relative;padding:.3rem 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold-deep);transition:width .3s var(--ease)}
.nav-links a:hover::after{width:100%}
.nav-burger{display:none;flex-direction:column;gap:5px;margin-left:auto;padding:.4rem}
.nav-burger span{width:22px;height:1.5px;background:var(--ink);transition:.3s}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.9rem;border-radius:999px;font-size:.85rem;letter-spacing:.06em;font-weight:500;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s,color .3s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(17,16,20,.45)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#161309}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(165,129,63,.55)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--gold-deep);color:var(--gold-deep)}
.btn-nav{padding:.62rem 1.4rem;font-size:.78rem}
.link-arrow{font-size:.85rem;letter-spacing:.1em;color:var(--gold);font-weight:500;
  display:inline-flex;align-items:center;gap:.45rem}
.link-arrow::after{content:"→";transition:transform .3s var(--ease)}
.link-arrow:hover::after{transform:translateX(6px)}

/* hero */
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;
  gap:clamp(1rem,4vw,4rem);padding:clamp(6rem,12vh,8rem) clamp(1.2rem,4vw,3rem) 4rem;position:relative;
  background:
    radial-gradient(60% 50% at 78% 40%,rgba(201,163,92,.14),transparent 70%),
    linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.hero-copy{display:flex;flex-direction:column;gap:1.6rem;max-width:40rem}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:.4rem}
.hero-art{position:relative;display:flex;flex-direction:column;align-items:center;gap:.9rem}
.hero-halo{position:absolute;inset:8% 6%;border-radius:50%;
  background:radial-gradient(circle,rgba(201,163,92,.28),transparent 65%);filter:blur(10px)}
.hero-art img{position:relative;width:min(100%,34rem);mix-blend-mode:multiply;
  filter:drop-shadow(0 40px 60px rgba(17,16,20,.22));animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-cap{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft)}
.scroll-cue{position:absolute;left:50%;bottom:1.6rem;transform:translateX(-50%);width:1px;height:56px;background:var(--line)}
.scroll-cue span{position:absolute;left:-1.5px;top:0;width:4px;height:10px;border-radius:2px;
  background:var(--gold-deep);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(0);opacity:1}80%{transform:translateY(42px);opacity:0}100%{opacity:0}}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--night);color:var(--paper);
  padding:clamp(2.6rem,6vw,4.5rem) clamp(1.2rem,4vw,3rem);gap:2rem}
.stat{display:flex;flex-direction:column;gap:.45rem;border-left:1px solid var(--line-light);padding-left:1.4rem}
.stat b{font-family:var(--serif);font-size:clamp(2.2rem,4vw,3.4rem);font-weight:500;color:var(--gold)}
.stat b i{font-style:normal;font-size:.6em}
.stat span{font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(246,243,236,.6)}

/* sections */
.section{padding:clamp(4.5rem,10vw,8rem) clamp(1.2rem,4vw,3rem)}
.section-head{display:flex;flex-direction:column;gap:1rem;margin-bottom:clamp(2.4rem,5vw,4rem);max-width:60rem}
.section-head.light{color:var(--paper)}

/* collections */
.collection-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.1rem}
.collection{position:relative;background:var(--white);border:1px solid var(--line);border-radius:1.2rem;
  padding:1.6rem 1.2rem 1.3rem;display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center;
  cursor:pointer;transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.collection:hover{transform:translateY(-8px);box-shadow:0 30px 50px -30px rgba(17,16,20,.35)}
.collection img{height:11rem;object-fit:contain;mix-blend-mode:multiply;transition:transform .6s var(--ease)}
.collection:hover img{transform:scale(1.06)}
.collection h3{font-size:1.3rem}
.collection p{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}

/* signature */
.signature{background:var(--night);color:var(--paper);padding:clamp(4.5rem,10vw,8rem) clamp(1.2rem,4vw,3rem)}
.signature .eyebrow{color:var(--gold)}
.sig-list{display:flex;flex-direction:column;gap:clamp(3.5rem,7vw,6rem);max-width:76rem;margin:0 auto}
.sig{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.sig.flip .sig-art{order:2}
.sig-art{background:linear-gradient(160deg,#fff,#f1ece1);border-radius:1.4rem;padding:clamp(1.4rem,3vw,2.6rem);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.8)}
.sig-art img{width:100%;height:clamp(16rem,30vw,24rem);object-fit:contain;mix-blend-mode:multiply}
.sig-copy{display:flex;flex-direction:column;gap:1.1rem;align-items:flex-start}
.sig-copy p{color:rgba(246,243,236,.72);line-height:1.7;font-size:.98rem;max-width:26rem}
.sig-index{font-size:.72rem!important;letter-spacing:.3em;text-transform:uppercase;color:var(--gold)!important}

/* catalogue */
.cat-controls{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.4rem}
#catSearch{width:min(100%,34rem);padding:1rem 1.4rem;border-radius:999px;border:1px solid var(--line);
  background:var(--white);font:inherit;font-size:.95rem;outline:none;transition:border-color .3s,box-shadow .3s}
#catSearch:focus{border-color:var(--gold-deep);box-shadow:0 0 0 4px rgba(201,163,92,.18)}
.chips{display:flex;gap:.5rem;flex-wrap:wrap}
.chip{padding:.55rem 1.15rem;border-radius:999px;border:1px solid var(--line);font-size:.78rem;
  letter-spacing:.06em;color:var(--ink-soft);transition:all .25s}
.chip:hover{border-color:var(--gold-deep);color:var(--gold-deep)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chips-sub .chip.on{background:var(--gold-deep);border-color:var(--gold-deep);color:#161309}
.cat-count{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:1.6rem}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));gap:1.2rem}
.card{background:var(--white);border:1px solid var(--line);border-radius:1.1rem;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 44px -28px rgba(17,16,20,.35)}
.card-img{background:#fff;padding:1.2rem;display:flex;align-items:center;justify-content:center;height:13rem}
.card-img img{max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.card-body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.45rem;flex:1}
.card-title{font-family:var(--serif);font-size:1.14rem;font-weight:600;line-height:1.25}
.card-meta{font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em}
.card-code{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}
.card-actions{margin-top:auto;display:flex;align-items:center;gap:.9rem;padding-top:.7rem}
.card-actions .link-arrow{font-size:.78rem}
.card-store{font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em}
.card-store:hover{color:var(--gold-deep)}
.card-store::after{content:" ↗"}

/* heritage */
.heritage{background:
  radial-gradient(70% 90% at 50% 0%,rgba(201,163,92,.12),transparent 60%),var(--night-2);
  color:var(--paper);padding:clamp(5rem,11vw,9rem) clamp(1.2rem,4vw,3rem);text-align:center}
.heritage-inner{max-width:52rem;margin:0 auto;display:flex;flex-direction:column;gap:1.8rem;align-items:center}
.heritage blockquote{font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.35;font-style:italic;font-weight:400}
.heritage-sig{font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:rgba(246,243,236,.5)}
.heritage-facts p{font-size:.95rem;line-height:1.75;color:rgba(246,243,236,.66);max-width:44rem}

/* visit */
.visit{background:linear-gradient(180deg,var(--paper-2),var(--paper));padding:clamp(5rem,11vw,9rem) clamp(1.2rem,4vw,3rem)}
.visit-inner{max-width:44rem;margin:0 auto;text-align:center;display:flex;flex-direction:column;gap:1.4rem;align-items:center}
.visit .hero-cta{justify-content:center}

/* footer */
.footer{background:var(--night);color:rgba(246,243,236,.72);padding:clamp(3rem,6vw,4.5rem) clamp(1.2rem,4vw,3rem)}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  padding-bottom:1.8rem;border-bottom:1px solid var(--line-light);margin-bottom:1.6rem}
.footer .wordmark{color:var(--paper)}
.footer .wordmark span{color:var(--gold)}
.footer-store{font-size:.82rem;letter-spacing:.1em;color:var(--gold)}
.footer-note{font-size:.78rem;line-height:1.7;max-width:52rem;color:rgba(246,243,236,.5)}
.footer-note a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}
.footer-note b{color:rgba(246,243,236,.8)}

/* modal */
.modal{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;
  background:rgba(11,10,13,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  opacity:0;pointer-events:none;transition:opacity .35s}
.modal.open{opacity:1;pointer-events:auto}
.modal-card{position:relative;background:var(--paper);border-radius:1.4rem;padding:2.6rem 2.4rem;
  width:min(92vw,30rem);display:flex;flex-direction:column;gap:1rem;text-align:center;align-items:center;
  transform:translateY(18px) scale(.97);transition:transform .4s var(--ease);box-shadow:0 40px 90px -30px rgba(0,0,0,.5)}
.modal.open .modal-card{transform:none}
.modal-card h3{font-size:1.7rem}
.modal-card p{font-size:.92rem;line-height:1.65;color:var(--ink-soft)}
.modal-actions{display:flex;gap:.7rem;flex-wrap:wrap;justify-content:center;margin-top:.4rem}
.modal-close{position:absolute;top:.9rem;right:1.1rem;font-size:1.5rem;color:var(--ink-soft);line-height:1}

/* responsive */
@media (max-width:1020px){
  .collection-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:840px){
  .nav-links{position:fixed;inset:0;background:rgba(246,243,236,.97);backdrop-filter:blur(20px);
    flex-direction:column;align-items:center;justify-content:center;gap:2rem;
    opacity:0;pointer-events:none;transition:opacity .35s}
  .nav-links a{font-size:1.3rem;font-family:var(--serif)}
  .nav-links.open{opacity:1;pointer-events:auto}
  .nav-burger{display:flex;z-index:60}
  .nav.menu-open .nav-burger span:nth-child(1){transform:translateY(3.2px) rotate(45deg)}
  .nav.menu-open .nav-burger span:nth-child(2){transform:translateY(-3.2px) rotate(-45deg)}
  .btn-nav{display:none}
  .hero{grid-template-columns:1fr;text-align:center;padding-top:7rem;gap:2.6rem}
  .hero-copy{align-items:center}
  .hero-cta{justify-content:center}
  .hero-art img{width:min(88vw,26rem)}
  .scroll-cue{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:2.2rem 1rem}
  .collection-grid{grid-template-columns:repeat(2,1fr)}
  .sig,.sig.flip{grid-template-columns:1fr}
  .sig.flip .sig-art{order:0}
  .sig-copy{align-items:center;text-align:center}
}
@media (max-width:480px){
  .collection-grid{grid-template-columns:1fr 1fr;gap:.8rem}
  .collection img{height:8.5rem}
  .collection h3{font-size:1.05rem}
  .cat-grid{grid-template-columns:repeat(auto-fill,minmax(10.5rem,1fr));gap:.8rem}
  .card-img{height:10rem}
  .btn{padding:.85rem 1.4rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}