:root {
  --bg: #f4f3ef;
  --surface: #ffffff;
  --surface-2: #ebe9e2;
  --obsidian: #111315;
  --graphite: #1c1f24;
  --text: #181a1d;
  --muted: #5c626b;
  --line: #dcdad3;
  --copper: #c2591b;
  --copper-bright: #e06d29;
  --copper-tint: #fdf1e8;
  --wa: #0f9d58;
  --wa-dark: #0b7d45;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.18;
}

a { color: var(--copper); text-decoration: none; transition: all .18s ease; }
a:hover { color: var(--copper-bright); }
img { max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 1. Live Metal Ticker Bar */
.ticker-bar {
  background: var(--obsidian);
  color: #e2e4e8;
  border-bottom: 1px solid #262a30;
  font-size: 12.5px;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 24px;
  max-width: 1280px;
  margin: 0 auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.ticker-inner::-webkit-scrollbar { display: none; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  flex-shrink: 0;
}
.ticker-item .t-name { color: #9ca3af; font-family: var(--font-sans); font-weight: 600; }
.ticker-item .t-val { color: #fff; font-weight: 700; }
.ticker-item .t-up { color: #34d399; font-size: 11px; }
.ticker-badge {
  background: rgba(224, 109, 41, 0.18);
  color: #f59e0b;
  border: 1px solid rgba(224, 109, 41, 0.35);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 2. Architectural Header */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 90;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--obsidian);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.03em;
}
.brand span small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--copper);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text);
  font-weight: 600;
  font-size: 14.5px;
  padding: 8px 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--copper);
  transform: scaleX(0);
  transition: transform .2s;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--copper); }

.nav-cta { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .18s ease;
  white-space: nowrap;
}
.btn-copper { background: var(--copper); color: #fff; }
.btn-copper:hover { background: var(--copper-bright); color: #fff; transform: translateY(-1px); }
.btn-dark { background: var(--obsidian); color: #fff; }
.btn-dark:hover { background: var(--graphite); color: #fff; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: var(--wa-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--line); color: var(--obsidian); }
.btn-outline:hover { border-color: var(--obsidian); background: var(--surface); }
.btn-lg { padding: 14px 26px; font-size: 15px; }

.mobile-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
}

/* 3. Swiss-Industrial Hero */
.hero-architectural {
  background: var(--obsidian);
  color: #fff;
  border-bottom: 1px solid #262a30;
  position: relative;
  overflow: hidden;
}
.hero-architectural::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 0;
  position: relative;
  z-index: 2;
}
.hero-main {
  padding: 64px 48px 64px 0;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #f59e0b;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.hero-kicker span.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 4px rgba(52,211,153,0.2);
}
.hero-main h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  font-weight: 700;
  margin: 0 0 20px;
  color: #fff;
}
.hero-main h1 em {
  font-style: normal;
  color: var(--copper-bright);
}
.hero-lead {
  font-size: 16.5px;
  color: #b8bec8;
  max-width: 620px;
  margin: 0 0 30px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  gap: 16px;
}
.metric-box strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  color: #fff;
}
.metric-box span { font-size: 12.5px; color: #9ca3af; }

.hero-side {
  padding: 48px 0 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.exchange-card {
  background: var(--graphite);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  overflow: hidden;
}
.exchange-head {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.exchange-head h2 { margin: 0; font-size: 15px; color: #fff; text-transform: uppercase; letter-spacing: 0.04em; }
.exchange-head span { font-family: var(--font-mono); font-size: 11px; color: #34d399; }
.exchange-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 14px;
}
.exchange-row:last-child { border-bottom: none; }
.exchange-row .ex-price { font-family: var(--font-mono); font-weight: 700; color: #fbbf24; }
.exchange-foot {
  padding: 14px 20px;
  background: rgba(0,0,0,0.25);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* 4. Sections & Architectural Bento Grids */
.section { padding: 68px 0; }
.section-white { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.section-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}
.section-header h2 { margin: 0; font-size: clamp(24px, 3vw, 34px); color: var(--obsidian); }
.section-header p { margin: 0; color: var(--muted); max-width: 460px; font-size: 14.5px; }

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--surface);
}
.bento-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background .2s;
  position: relative;
}
.bento-cell:hover { background: var(--copper-tint); }
.bento-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bento-num span.sym {
  font-weight: 700;
  color: var(--copper);
  background: var(--copper-tint);
  border: 1px solid rgba(194,89,27,0.25);
  padding: 2px 8px;
  border-radius: 4px;
}
.bento-cell h3 { margin: 0 0 10px; font-size: 18px; color: var(--obsidian); }
.bento-cell p { margin: 0; font-size: 14px; color: var(--muted); }

/* Process Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px 22px;
}
.step-idx {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 12px;
}
.step-card h3 { margin: 0 0 8px; font-size: 17px; }
.step-card p { margin: 0; font-size: 14px; color: var(--muted); }

/* Tabs & Pills */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.tab-btn {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--obsidian);
  border-color: var(--obsidian);
  color: #fff;
}

.pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: 10px;
}
.loc-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--obsidian);
}
.loc-pill .plate {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
}
.loc-pill:hover {
  border-color: var(--copper);
  background: var(--copper-tint);
  color: var(--copper);
}

/* Tables */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
}
table.price-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.price-table th, table.price-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
table.price-table th {
  background: var(--obsidian);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
table.price-table td.mono { font-family: var(--font-mono); font-weight: 700; }
table.price-table tr:hover td { background: var(--bg); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
}
.badge-up { background: #dcfce7; color: #166534; }
.badge-down { background: #fee2e2; color: #991b1b; }
.badge-stable { background: #e5e7eb; color: #374151; }
.badge-copper { background: var(--copper-tint); color: var(--copper); border: 1px solid rgba(194,89,27,0.2); }

/* Cards & Grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--copper); transform: translateY(-2px); }
.card h3 { margin: 0 0 10px; font-size: 18px; color: var(--obsidian); }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Inner Page Hero & Article Layout */
.page-hero {
  background: var(--obsidian);
  color: #fff;
  padding: 46px 0;
  border-bottom: 1px solid #262a30;
}
.breadcrumb { font-family: var(--font-mono); font-size: 12px; color: #9ca3af; margin-bottom: 12px; }
.breadcrumb a { color: #f59e0b; }
.page-hero h1 { margin: 0 0 12px; font-size: clamp(26px, 3.6vw, 40px); }
.meta-pills { display: flex; flex-wrap: wrap; gap: 14px; font-family: var(--font-mono); font-size: 12.5px; color: #cbd5e1; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  padding: 44px 0 70px;
  align-items: start;
}
.article-body {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px 40px;
}
.article-body h2 {
  font-size: 23px;
  color: var(--obsidian);
  margin: 30px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.article-body h2:first-of-type { border-top: none; padding-top: 0; margin-top: 18px; }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin-bottom: 8px; }

.toc-box {
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: 6px;
  padding: 18px 20px;
  margin: 18px 0 26px;
}
.toc-box strong { display: block; font-family: var(--font-display); margin-bottom: 8px; color: var(--obsidian); }
.toc-box ul { margin: 0; padding-left: 18px; }
.toc-box li { margin-bottom: 4px; font-size: 14px; }

.sidebar-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-box.sticky-cta { position: sticky; top: 96px; }
.sidebar-box h3 { margin: 0 0 10px; font-size: 18px; color: var(--obsidian); }

/* FAQ */
.faq-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 10px;
  background: var(--surface);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: var(--bg);
  border: none;
  padding: 15px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--obsidian);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-a { padding: 14px 18px; font-size: 14.5px; color: var(--muted); display: none; border-top: 1px solid var(--line); }
.faq-item.open .faq-a { display: block; }

.search-bar { display: flex; gap: 10px; margin-bottom: 24px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
}
.form-control:focus { outline: none; border-color: var(--copper); }

/* Footer */
.site-footer {
  background: var(--obsidian);
  color: #cbd5e1;
  padding: 64px 0 28px;
  border-top: 3px solid var(--copper);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1.15fr;
  gap: 32px;
  margin-bottom: 40px;
}
.site-footer h4 { color: #fff; margin: 0 0 14px; font-size: 15px; text-transform: uppercase; letter-spacing: 0.04em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; font-size: 14px; }
.site-footer a { color: #9ca3af; }
.site-footer a:hover { color: #fbbf24; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #9ca3af;
}
.medeni-credit a { color: #f59e0b; font-weight: 700; }

/* Floating Dock */
.floating-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: flex;
  gap: 8px;
  z-index: 95;
  background: rgba(17, 19, 21, 0.9);
  padding: 8px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}
.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  border-radius: 6px;
  color: #fff;
  font-weight: 700;
  font-size: 13.5px;
}
.float-btn.phone { background: var(--copper); }
.float-btn.wa { background: var(--wa); }
.mobile-bottom-bar { display: none; }

.ticker-mobile {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  font-size: 12.5px;
  font-weight: 600;
  color: #e2e4e8;
}

@media (max-width: 1024px) {
  .ticker-desktop { display: none; }
  .ticker-mobile { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-main { padding: 48px 0 32px; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .hero-side { padding: 32px 0 48px; }
  .bento-grid, .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; padding: 20px; border-bottom: 1px solid var(--line);
  }
  .mobile-toggle { display: inline-block; }
}

@media (max-width: 640px) {
  .bento-grid, .steps-grid, .grid-3, .grid-2, .footer-grid, .hero-metrics { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .article-body { padding: 22px; }
  .floating-cta { display: none; }
  body { padding-bottom: 64px; }
  .mobile-bottom-bar {
    display: grid; grid-template-columns: 1fr 1fr;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 99;
    background: var(--obsidian);
  }
  .mobile-bottom-bar a {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 15px 10px; color: #fff; font-weight: 700; font-size: 14.5px;
  }
  .mobile-bottom-bar a.m-call { background: var(--copper); }
  .mobile-bottom-bar a.m-wa { background: var(--wa); }
}