/* Cardiene — styles.css
   Premium editorial layout inspired by auction houses (Christie's / Sotheby's).
*/

:root{
  --bg:#ffffff;
  --ink:#141414;
  --muted:#6e6e6e;
  --line:#e9e9e9;
  --soft:#f7f7f7;
  --panel:#ffffff;
  --accent:#0f2a3a; /* deep navy for overlays */
  --shadow: 0 10px 30px rgba(0,0,0,.06);
  --radius: 14px;
  --radiusSm: 10px;
  --max: 1160px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  line-height:1.35;
}

a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
.hidden{display:none !important}

.container{max-width:var(--max); margin:0 auto; padding:28px 22px}

h1,h2,h3{
  margin:0 0 12px 0;
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-weight:700;
  letter-spacing:-.01em;
}
h1{font-size:42px; line-height:1.05}
h2{font-size:28px}
h3{font-size:18px}

.small{font-size:13px;color:var(--muted)}
.kbd{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:12px; padding:.12rem .35rem; border:1px solid var(--line); border-bottom-width:2px; border-radius:6px; background:#fff}

/* Top navigation */
.topnav{
  position:sticky; top:0; z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.topnav-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:14px 22px;
  display:flex; align-items:center; gap:18px;
}
.brand{display:flex; align-items:center; gap:10px; min-width:220px}
.brand-img{height:40px; width:auto; display:block}
.nav{display:flex; align-items:center; gap:16px; flex:1}
.nav-link,.nav-btn{
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink);
  padding:10px 10px;
  border-radius:10px;
}
.nav-link:hover,.nav-btn:hover{background:var(--soft); text-decoration:none}
.nav-btn{
  background:transparent;
  border:1px solid transparent;
  cursor:pointer;
  font-family:inherit;
  display:flex; align-items:center; gap:8px;
}
.nav-btn[aria-expanded="true"]{background:var(--soft); border-color:var(--line)}
.chev{font-size:12px; opacity:.8}

.topnav-right{display:flex; align-items:center; gap:12px}
.search{position:relative; width:320px; max-width:42vw}
.search input{
  width:100%;
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px;
  font-size:13px;
  outline:none;
  background:#fff;
}
.search input:focus{border-color:#cfcfcf; box-shadow:0 0 0 4px rgba(15,42,58,.08)}
.search-results{
  position:absolute; left:0; right:0;
  top:44px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.search-results .sr-item{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  cursor:pointer;
}
.search-results .sr-item:last-child{border-bottom:none}
.search-results .sr-item:hover{background:var(--soft)}
.search-results .sr-top{display:flex;justify-content:space-between;gap:10px}
.search-results .sr-title{font-weight:600; font-size:13px}
.search-results .sr-type{font-size:12px;color:var(--muted); text-transform:uppercase; letter-spacing:.08em}
.search-results .sr-sub{font-size:12px;color:var(--muted); margin-top:3px}

.icon-btn,.icon-link{
  width:38px; height:38px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-size:16px;
  line-height:1;
  text-decoration:none;
}
.icon-btn:hover,.icon-link:hover{background:var(--soft); text-decoration:none}
.mobile-only{display:none}

/* Mega menu */
.mega{
  border-bottom:1px solid var(--line);
  background:#fff;
}
.mega-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:18px 22px 22px;
  display:grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap:28px;
}
.mega-title{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:10px;
}
.mega-link{
  display:block;
  padding:8px 0;
  font-size:15px;
}
.mega-note{font-size:13px;color:var(--muted);line-height:1.5}

/* View wrapper */
.view{min-height:calc(100vh - 140px); background:#fff}
.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow)}
.card-body{padding:18px}

/* Hero (home) */
.hero{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(120deg, #e9ecef, #f8f8f8);
  box-shadow:var(--shadow);
}
.hero-slide{
  display:grid;
  grid-template-columns: 1.35fr .85fr;
  min-height:390px;
}
.hero-media{
  position:relative;
  background:
    radial-gradient(700px 360px at 20% 35%, rgba(15,42,58,.12), transparent 60%),
    radial-gradient(540px 300px at 70% 65%, rgba(0,0,0,.06), transparent 60%),
    linear-gradient(135deg, #f1f1f1, #ffffff);
}
.hero-media .hero-img{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size:42px; color:rgba(20,20,20,.65);
  letter-spacing:.02em;
}
.hero-panel{
  position:relative;
  padding:26px 26px 22px;
  background:#fff;
  display:flex; flex-direction:column; justify-content:flex-end;
}
.hero-kicker{
  font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--muted);
  margin-bottom:10px;
}
.hero-title{font-size:30px; margin:0 0 10px}
.hero-desc{font-size:13px;color:var(--muted); line-height:1.55; margin:0 0 16px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:999px;
  border:1px solid var(--ink);
  padding:10px 14px;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:#fff;
  cursor:pointer;
}
.btn:hover{background:var(--ink); color:#fff; text-decoration:none}
.btn.primary{
  border-color:transparent;
  background:var(--accent);
  color:#fff;
}
.btn.primary:hover{filter:brightness(1.06)}

.hero-dots{
  position:absolute; left:22px; bottom:16px;
  display:flex; gap:8px;
}
.dot{
  width:8px; height:8px; border-radius:999px;
  border:1px solid rgba(0,0,0,.35);
  background:rgba(255,255,255,.85);
}
.dot.active{background:rgba(0,0,0,.65); border-color:transparent}

/* Circles categories */
.circle-grid{
  margin-top:24px;
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap:18px;
}
.circle{
  display:flex; flex-direction:column; align-items:center; gap:10px;
  padding:12px 10px;
  border-radius:16px;
}
.circle:hover{background:var(--soft); text-decoration:none}
.circle .thumb{
  width:104px; height:104px;
  border-radius:999px;
  border:1px solid var(--line);
  background:
    radial-gradient(28px 28px at 30% 30%, rgba(15,42,58,.16), transparent 60%),
    linear-gradient(135deg, #ffffff, #f1f1f1);
  display:flex; align-items:center; justify-content:center;
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size:18px;
  color:rgba(20,20,20,.7);
}
.circle .label{
  font-size:13px;
  text-align:center;
}

/* Explore page layout */
.split{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap:22px;
  align-items:start;
}
.filters{
  position:sticky;
  top:86px;
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  background:#fff;
}
.filter-title{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--muted);
  margin-bottom:10px;
}
.field{margin:0 0 12px}
.field label{display:block; font-size:12px; color:var(--muted); margin:0 0 6px}
.field input,.field select{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 10px;
  font-size:13px;
  background:#fff;
  outline:none;
}
.field input:focus,.field select:focus{border-color:#cfcfcf; box-shadow:0 0 0 4px rgba(15,42,58,.08)}
.pills{display:flex; flex-wrap:wrap; gap:8px}
.pill{
  font-size:12px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 10px;
  background:#fff;
}
.pill:hover{background:var(--soft); text-decoration:none}

/* Grid cards */
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
}
.item-card{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 12px 28px rgba(0,0,0,.05);
  transition:transform .15s ease, box-shadow .15s ease;
}
.item-card:hover{transform:translateY(-2px); box-shadow:0 18px 36px rgba(0,0,0,.07); text-decoration:none}
.item-thumb{
  height:160px;
  background:linear-gradient(135deg, #f1f1f1, #ffffff);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  color:rgba(20,20,20,.55);
}
.item-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.item-body{padding:14px}
.item-top{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px}
.item-type{
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
.item-title{font-weight:650; font-size:14px; margin:0}
.item-sub{font-size:12px;color:var(--muted); margin-top:4px; min-height:30px}
.badges{display:flex; flex-wrap:wrap; gap:6px; margin-top:10px}
.badge{
  font-size:11px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 8px;
  color:var(--muted);
}

/* Item detail */
.detail{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
}
.detail-media{
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  background:linear-gradient(135deg, #f1f1f1, #ffffff);
  min-height:420px;
}
.detail-media img{width:100%;height:100%;object-fit:cover;display:block}
.detail-panel{border:1px solid var(--line); border-radius:18px; padding:18px; background:#fff}
.meta{
  width:100%;
  border-collapse:collapse;
  margin-top:10px;
}
.meta td{
  padding:10px 0;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.meta td:first-child{width:40%; color:var(--muted); font-size:12px}
.meta td:last-child{font-size:13px}
.price{
  font-size:18px;
  font-weight:700;
  margin-top:12px;
}
.sep{height:1px;background:var(--line); margin:16px 0}

/* Footer */
.footer{border-top:1px solid var(--line); background:#fff}
.footer-inner{
  max-width:var(--max);
  margin:0 auto;
  padding:18px 22px;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  color:var(--muted);
  font-size:13px;
}
.footer-right{display:flex; gap:14px}
.footer-right a{color:var(--muted)}
.footer-right a:hover{color:var(--ink); text-decoration:none}

/* Toast */
.toast{
  position:fixed;
  right:18px;
  bottom:18px;
  max-width:360px;
  background:#141414;
  color:#fff;
  padding:12px 14px;
  border-radius:14px;
  box-shadow:0 18px 50px rgba(0,0,0,.2);
  z-index:90;
  font-size:13px;
}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.22);display:flex;align-items:center;justify-content:center;z-index:100}
.modal-card{width:min(680px, calc(100% - 28px)); background:#fff; border-radius:18px; border:1px solid var(--line); box-shadow:var(--shadow); overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.modal-title{font-weight:700}
.modal-body{padding:16px}
.modal-foot{padding:14px 16px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* Responsive */
@media (max-width: 980px){
  h1{font-size:36px}
  .grid{grid-template-columns: repeat(2, 1fr)}
  .detail{grid-template-columns:1fr}
  .search{width:260px}
  .circle-grid{grid-template-columns: repeat(3, 1fr)}
  .hero-slide{grid-template-columns: 1fr}
  .hero-panel{border-top:1px solid var(--line)}
  .hero-media{min-height:250px}
}

@media (max-width: 720px){
  .nav{display:none}
  .mobile-only{display:inline-flex}
  .search{display:none}
  .topnav-right{gap:10px}
  .container{padding:20px 16px}
  .split{grid-template-columns: 1fr}
  .filters{position:static}
  .grid{grid-template-columns:1fr}
  .circle-grid{grid-template-columns: repeat(2, 1fr)}
}