/* ============ Longquan Forge — Global Styles ============ */
:root {
  --bg-dark: #12100e;
  --bg-panel: #1c1815;
  --bg-card: #221d19;
  --gold: #c9a45c;
  --gold-light: #e3c88f;
  --text: #ece5da;
  --text-muted: #a89e8f;
  --line: rgba(201, 164, 92, 0.25);
  --serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --sans: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-light); text-decoration: none; }
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 600; letter-spacing: 0.02em; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- Top bar ---------- */
.topbar {
  background: #0c0a09;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-muted);
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 6px; padding-bottom: 6px;
}
.topbar a { color: var(--text-muted); margin-left: 18px; }
.topbar a:hover { color: var(--gold-light); }

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 100;
  background: rgba(18, 16, 14, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo .mark {
  width: 42px; height: 42px; border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 20px; color: var(--gold);
  transform: rotate(45deg);
}
.logo .mark span { transform: rotate(-45deg); }
.logo .name { font-family: var(--serif); font-size: 22px; color: var(--text); }
.logo .name em { display: block; font-style: normal; font-size: 11px; letter-spacing: 0.35em; color: var(--gold); text-transform: uppercase; }
nav.main ul { display: flex; gap: 34px; list-style: none; }
nav.main a { color: var(--text); font-size: 14px; letter-spacing: 0.12em; text-transform: uppercase; padding: 6px 0; border-bottom: 2px solid transparent; }
nav.main a:hover, nav.main a.active { color: var(--gold-light); border-bottom-color: var(--gold); }
.btn {
  display: inline-block; padding: 12px 30px;
  border: 1px solid var(--gold); color: var(--gold-light);
  font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase;
  transition: all 0.25s; background: transparent;
}
.btn:hover { background: var(--gold); color: #191510; }
.btn.solid { background: var(--gold); color: #191510; }
.btn.solid:hover { background: var(--gold-light); }

/* mobile menu */
.menu-toggle { display: none; background: none; border: 1px solid var(--gold); color: var(--gold); font-size: 20px; padding: 6px 12px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 78vh;
  display: flex; align-items: center;
  background: url("../images/hero-forge.png") center/cover no-repeat;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(10,8,7,0.92) 25%, rgba(10,8,7,0.55) 60%, rgba(10,8,7,0.25));
}
.hero .container { position: relative; }
.hero .kicker { color: var(--gold); letter-spacing: 0.4em; text-transform: uppercase; font-size: 13px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(40px, 6vw, 72px); line-height: 1.1; max-width: 640px; }
.hero h1 em { color: var(--gold); font-style: italic; }
.hero p.sub { max-width: 520px; margin: 22px 0 34px; color: var(--text-muted); font-size: 18px; }
.hero .actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Section base ---------- */
section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head .kicker { color: var(--gold); letter-spacing: 0.35em; text-transform: uppercase; font-size: 12px; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); margin: 12px 0 14px; }
.section-head p { color: var(--text-muted); }
.divider { width: 60px; height: 2px; background: var(--gold); margin: 20px auto 0; }

/* ---------- Feature strip ---------- */
.features { background: var(--bg-panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 64px 0; }
.features .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.feature { text-align: center; }
.feature .num { font-family: var(--serif); font-size: 44px; color: var(--gold); }
.feature h3 { font-size: 17px; margin: 8px 0 6px; }
.feature p { font-size: 14px; color: var(--text-muted); }

/* ---------- Product cards ---------- */
.products .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  transition: transform 0.3s, border-color 0.3s;
}
.card:hover { transform: translateY(-6px); border-color: var(--gold); }
.card .thumb { aspect-ratio: 1/1; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.card:hover .thumb img { transform: scale(1.06); }
.card .body { padding: 22px 24px 26px; }
.card .tag { font-size: 11px; letter-spacing: 0.25em; color: var(--gold); text-transform: uppercase; }
.card h3 { font-size: 22px; margin: 8px 0; }
.card p { font-size: 14px; color: var(--text-muted); }
.card .link { display: inline-block; margin-top: 14px; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-light); border-bottom: 1px solid var(--gold); padding-bottom: 2px; }
.center { text-align: center; margin-top: 48px; }

/* ---------- Craft section ---------- */
.craft-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.craft-split .img { border: 1px solid var(--line); }
.craft-split ul { list-style: none; margin-top: 24px; }
.craft-split li { padding: 14px 0 14px 30px; position: relative; border-bottom: 1px solid rgba(201,164,92,0.12); color: var(--text-muted); font-size: 15px; }
.craft-split li strong { color: var(--text); display: block; font-size: 16px; margin-bottom: 2px; }
.craft-split li::before { content: "◆"; position: absolute; left: 0; top: 16px; color: var(--gold); font-size: 11px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(rgba(15,12,10,0.88), rgba(15,12,10,0.88)), url("../images/damascus.png") center/cover; border-top: 1px solid var(--line); text-align: center; }
.cta-band h2 { font-size: clamp(30px, 4vw, 46px); }
.cta-band p { color: var(--text-muted); margin: 14px auto 30px; max-width: 560px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(rgba(12,10,9,0.75), rgba(12,10,9,0.75)), url("../images/damascus.png") center/cover;
  padding: 90px 0; text-align: center; border-bottom: 1px solid var(--line);
}
.page-hero .kicker { color: var(--gold); letter-spacing: 0.35em; text-transform: uppercase; font-size: 12px; }
.page-hero h1 { font-size: clamp(36px, 5vw, 58px); margin-top: 10px; }

/* ---------- Contact ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; }
.info-item { margin-bottom: 28px; }
.info-item .label { color: var(--gold); font-size: 12px; letter-spacing: 0.25em; text-transform: uppercase; }
.info-item .value { font-size: 17px; margin-top: 4px; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
form label { display: block; font-size: 12px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-muted); margin: 18px 0 8px; }
form input, form select, form textarea {
  width: 100%; background: var(--bg-card); border: 1px solid var(--line);
  color: var(--text); padding: 13px 14px; font-size: 15px; font-family: var(--sans);
}
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--gold); }
form textarea { min-height: 130px; resize: vertical; }
.notice { font-size: 13px; color: var(--text-muted); margin-top: 16px; }

/* ---------- Footer ---------- */
footer.site {
  background: #0c0a09; border-top: 1px solid var(--line);
  padding: 64px 0 30px; font-size: 14px; color: var(--text-muted);
}
footer .grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
footer h4 { color: var(--text); font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 16px; }
footer ul { list-style: none; }
footer li { margin-bottom: 10px; }
footer a:hover { color: var(--gold-light); }
footer .bottom { border-top: 1px solid rgba(201,164,92,0.12); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .features .grid { grid-template-columns: repeat(2, 1fr); }
  .products .grid { grid-template-columns: repeat(2, 1fr); }
  .craft-split, .contact-wrap { grid-template-columns: 1fr; }
  footer .grid { grid-template-columns: 1fr 1fr; }
  nav.main {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #14110f; border-bottom: 1px solid var(--line); padding: 20px 24px;
  }
  nav.main.open { display: block; }
  nav.main ul { flex-direction: column; gap: 14px; }
  .menu-toggle { display: block; }
  .nav .btn { display: none; }
}
@media (max-width: 560px) {
  .products .grid, .features .grid { grid-template-columns: 1fr; }
  form .row { grid-template-columns: 1fr; }
  .topbar .container span.hide-sm { display: none; }
}