/* ===========================================================
   HONG KONG COMPASS BIOTECHNOLOGY CO., LIMITED
   COMPASS MERIDIAN — Luxury Skincare Showcase
   =========================================================== */

:root{
  --ivory:#faf7f1;
  --ivory-2:#f3ede2;
  --paper:#fffdf9;
  --ink:#1b1a16;
  --ink-soft:#4a463c;
  --gold:#b3926a;
  --gold-deep:#8f7148;
  --rose:#b76e79;
  --line:#e6ddcd;
  --serif:"Playfair Display", Georgia, "Times New Roman", serif;
  --sans:"Inter", "Segoe UI", Helvetica, Arial, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivory);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}

.container{width:min(1180px,92%);margin:0 auto;}
.section{padding:96px 0;}
.section-alt{background:var(--ivory-2);}

/* ---------- Typography ---------- */
.serif{font-family:var(--serif);}
.eyebrow{
  font-size:.78rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold-deep);font-weight:600;margin-bottom:14px;
}
h1,h2,h3,.h-display{font-family:var(--serif);font-weight:500;line-height:1.15;}
h1{font-size:clamp(2.4rem,5vw,4rem);}
h2{font-size:clamp(2rem,3.6vw,2.9rem);margin-bottom:18px;}
h3{font-size:1.35rem;}
.lead{font-size:1.1rem;color:var(--ink-soft);max-width:640px;}
.center{text-align:center;}
.center .lead{margin:0 auto;}
.muted{color:var(--ink-soft);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-size:.85rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  padding:16px 34px;border:1px solid var(--ink);cursor:pointer;
  background:transparent;color:var(--ink);transition:.3s;
}
.btn:hover{background:var(--ink);color:var(--ivory);}
.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--paper);}
.btn-gold:hover{background:var(--gold-deep);border-color:var(--gold-deep);color:#fff;}
.btn-light{border-color:var(--paper);color:var(--paper);}
.btn-light:hover{background:var(--paper);color:var(--ink);}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:.35s;
}
.header.scrolled{background:rgba(250,247,241,.94);backdrop-filter:blur(12px);border-color:var(--line);}
.header.scrolled .nav-link,.header.scrolled .brand-name,.header.scrolled .brand-top{color:var(--ink);}
.header.scrolled .hamburger span{background:var(--ink);}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;max-width:1280px;margin:0 auto;padding:0 4%;
}
.brand{display:flex;flex-direction:column;line-height:1.1;}
.brand-top{font-size:.62rem;letter-spacing:.38em;color:rgba(255,255,255,.85);text-transform:uppercase;transition:.3s;}
.brand-name{font-family:var(--serif);font-size:1.5rem;color:#fff;letter-spacing:.04em;transition:.3s;}
.nav-links{display:flex;gap:38px;}
.nav-link{
  font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(255,255,255,.9);padding:6px 0;position:relative;transition:.3s;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:.3s;
}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.hamburger{display:none;background:none;border:0;cursor:pointer;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(18,17,14,.72) 10%,rgba(18,17,14,.25) 60%,rgba(18,17,14,.1));
}
.hero-inner{max-width:620px;padding-top:60px;}
.hero-inner .eyebrow{color:#e6cfae;}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.6rem);margin:14px 0 22px;}
.hero p{font-size:1.12rem;color:rgba(255,255,255,.88);margin-bottom:36px;}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Marquee strip ---------- */
.strip{
  background:var(--ink);color:var(--ivory);padding:16px 0;overflow:hidden;
}
.strip-track{display:flex;gap:60px;white-space:nowrap;animation:scroll 28s linear infinite;}
.strip span{font-size:.8rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);}
@keyframes scroll{to{transform:translateX(-50%);}}

/* ---------- Feature cards ---------- */
.grid{display:grid;gap:28px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.card-feature{background:var(--paper);border:1px solid var(--line);padding:38px 34px;transition:.3s;}
.card-feature:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(27,26,22,.08);}
.card-feature .icon{font-size:1.9rem;margin-bottom:18px;}
.card-feature h3{margin-bottom:10px;}
.card-feature p{color:var(--ink-soft);font-size:.96rem;}

/* ---------- Split / About ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.media{border-radius:2px;overflow:hidden;position:relative;}
.media img{width:100%;height:100%;object-fit:cover;}
.media.portrait{aspect-ratio:3/4;}
.stat{display:flex;gap:40px;margin-top:40px;flex-wrap:wrap;}
.stat-item .num{font-family:var(--serif);font-size:2.6rem;color:var(--gold-deep);}
.stat-item .lbl{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);}

/* ---------- Quote ---------- */
.quote{background:var(--ink);color:var(--ivory);text-align:center;padding:110px 0;}
.quote blockquote{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.2rem);max-width:780px;margin:0 auto;font-style:italic;}
.quote cite{display:block;margin-top:28px;font-style:normal;font-size:.85rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);}

/* ---------- Product cards ---------- */
.prod-card{background:var(--paper);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:.3s;}
.prod-card:hover{box-shadow:0 22px 46px rgba(27,26,22,.1);}
.prod-media{aspect-ratio:1/1;overflow:hidden;position:relative;cursor:pointer;}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:.6s;}
.prod-card:hover .prod-media img{transform:scale(1.06);}
.prod-cat{
  position:absolute;top:14px;left:14px;background:rgba(250,247,241,.92);
  font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;
  padding:6px 12px;color:var(--ink);
}
.prod-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.prod-body h3{font-size:1.12rem;line-height:1.3;}
.prod-body .desc{font-size:.86rem;color:var(--ink-soft);margin:8px 0 16px;}
.prod-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;}
.price{font-family:var(--serif);font-size:1.25rem;color:var(--gold-deep);}
.tag{font-size:.7rem;letter-spacing:.16em;color:var(--rose);text-transform:uppercase;}
.btn-add{
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  border:1px solid var(--line);background:transparent;color:var(--ink);
  padding:9px 16px;cursor:pointer;transition:.25s;
}
.btn-add:hover{background:var(--ink);color:var(--ivory);border-color:var(--ink);}

/* ---------- Filter tabs ---------- */
.filters{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:48px;}
.filter-btn{
  font-family:var(--sans);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  padding:10px 22px;border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--ink-soft);transition:.25s;
}
.filter-btn:hover{border-color:var(--gold);color:var(--gold-deep);}
.filter-btn.active{background:var(--ink);border-color:var(--ink);color:var(--ivory);}

.prod-count{text-align:center;color:var(--ink-soft);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:40px;}

/* ---------- Category showcase ---------- */
.cat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cat-tile{position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:2px;cursor:pointer;}
.cat-tile img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.cat-tile:hover img{transform:scale(1.07);}
.cat-tile .ovl{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;background:linear-gradient(transparent,rgba(0,0,0,.55));color:#fff;
}
.cat-tile h3{font-size:1.5rem;}
.cat-tile .mt{font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.85);}

/* ---------- Testimonials ---------- */
.quote-mini{background:var(--paper);border:1px solid var(--line);padding:34px 30px;display:flex;flex-direction:column;}
.quote-mini p{font-family:var(--serif);font-size:1.06rem;font-style:italic;flex:1;}
.quote-mini .stars{color:var(--gold);letter-spacing:3px;margin-bottom:14px;font-size:1rem;}
.quote-mini figcaption{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin-top:20px;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px;color:var(--ink-soft);}
.field input,.field select,.field textarea{
  width:100%;padding:15px 16px;font-family:var(--sans);font-size:.95rem;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);transition:.25s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);}
.field textarea{min-height:140px;resize:vertical;}
.info-card{background:var(--paper);border:1px solid var(--line);padding:34px;margin-bottom:22px;}
.info-card h4{font-family:var(--serif);font-size:1.15rem;margin-bottom:10px;}
.info-card p{color:var(--ink-soft);font-size:.95rem;line-height:1.8;}
.info-card .lab{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:4px;}

/* map-ish office block */
.office{background:var(--ink);color:var(--ivory);padding:60px;border-radius:2px;}
.office h3{font-family:var(--serif);font-size:1.4rem;margin-bottom:14px;}
.office p{color:rgba(255,255,255,.8);line-height:1.9;margin-bottom:8px;}
.office .tag2{color:var(--gold);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;}

/* ---------- Values / steps ---------- */
.step-item{position:relative;padding-left:64px;}
.step-num{
  position:absolute;left:0;top:0;font-family:var(--serif);font-size:2.2rem;color:var(--gold-deep);
}
.step-item h3{margin-bottom:8px;}

/* ---------- Small hero (inner pages) ---------- */
.page-hero{
  padding:200px 0 90px;color:#fff;position:relative;overflow:hidden;text-align:center;
}
.page-hero .bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(20,18,14,.58);}
.page-hero h1{margin-bottom:12px;}
.page-hero p{color:rgba(255,255,255,.86);max-width:560px;margin:0 auto;}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#cfc9bc;padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;}
.footer h4{font-family:var(--serif);color:#fff;font-size:1.1rem;margin-bottom:18px;}
.footer p{font-size:.92rem;color:#a9a294;line-height:1.8;}
.footer a{font-size:.92rem;color:#a9a294;transition:.2s;}
.footer a:hover{color:var(--gold);}
.footer li{margin-bottom:10px;}
.footer .f-brand .brand-name{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:#8a8477;flex-wrap:wrap;gap:10px;}

/* ---------- Cart toast ---------- */
#toast{
  position:fixed;bottom:28px;left:50%;transform:translate(-50%,140%);z-index:200;
  background:var(--ink);color:var(--ivory);padding:16px 26px;font-size:.85rem;
  letter-spacing:.06em;transition:.4s;box-shadow:0 18px 40px rgba(0,0,0,.3);max-width:90%;
}
#toast.show{transform:translate(-50%,0);}
#toast b{color:var(--gold);}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:.7s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .nav-links{
    position:fixed;inset:0;background:rgba(250,247,241,.98);flex-direction:column;
    justify-content:center;align-items:center;gap:34px;transform:translateX(100%);transition:.4s;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-link{color:var(--ink)!important;font-size:1rem;}
  .hamburger{display:flex;flex-direction:column;gap:5px;z-index:120;position:relative;}
  .hamburger span{width:26px;height:2px;background:#fff;transition:.3s;}
  .grid-3,.grid-4,.cat-row{grid-template-columns:repeat(2,1fr);}
  .split,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  .grid-3,.grid-4,.cat-row,.footer-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
}