@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-parchment: #0f0c0b;
  --card-dark: #191413;
  --clay-terracotta: #a84e32;
  --clay-warm: #d46b4b;
  --text-light: #f5f1eb;
  --text-muted: #9c9086;
  --border-tannin: rgba(168, 78, 50, 0.28);
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Inter', sans-serif;
  --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-parchment); color: var(--text-light); font-family: var(--font-sans); line-height: 1.65; overflow-x: hidden; padding-bottom: 70px; }

.simple-switcher { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 9999; background: rgba(15, 12, 11, 0.96); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 9999px; padding: 6px 12px; display: flex; align-items: center; gap: 6px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6); max-width: 94vw; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.simple-switcher::-webkit-scrollbar { display: none; }
.simple-switcher span { font-size: 0.7rem; color: #999; text-transform: uppercase; letter-spacing: 0.08em; padding: 0 4px; font-weight: 700; white-space: nowrap; }
.simple-switcher a { font-size: 0.75rem; color: #bbb; text-decoration: none; padding: 5px 10px; border-radius: 9999px; transition: var(--transition); white-space: nowrap; }
.simple-switcher a:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
.simple-switcher a.active { background: var(--clay-terracotta); color: #fff; font-weight: 700; }

.hanzo-nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 6vw; border-bottom: 1px solid var(--border-tannin); position: sticky; top: 0; background: rgba(15, 12, 11, 0.92); backdrop-filter: blur(12px); z-index: 100; }
.hanzo-logo { font-family: var(--font-serif); font-size: clamp(1.15rem, 3vw, 1.4rem); letter-spacing: 0.16em; color: #fff; text-decoration: none; font-weight: 700; }
.hanzo-menu { display: flex; gap: 30px; list-style: none; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; }
.hanzo-menu a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.hanzo-menu a:hover { color: var(--clay-warm); }

.btn-hanzo-clay { background: var(--clay-terracotta); color: #fff; font-size: 0.84rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; padding: 12px 24px; border-radius: 3px; text-decoration: none; display: inline-block; border: none; cursor: pointer; transition: var(--transition); text-align: center; }
.btn-hanzo-clay:hover { background: var(--clay-warm); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(168, 78, 50, 0.35); }
.btn-patina-explore { color: var(--text-light); font-size: 0.84rem; text-decoration: none; padding: 12px 20px; border: 1px solid var(--border-tannin); border-radius: 3px; }

.hanzo-hero { max-width: 1360px; margin: 0 auto; padding: 60px 6vw 80px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; align-items: center; }
.tannery-tag { font-size: 0.78rem; letter-spacing: 0.2em; color: var(--clay-warm); text-transform: uppercase; display: block; margin-bottom: 16px; font-weight: 600; }
.hero-desc-col h1 { font-family: var(--font-serif); font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.18; margin-bottom: 20px; font-weight: 600; }
.hero-desc-col h1 em { font-style: italic; color: var(--clay-warm); }
.hero-desc-col p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 30px; max-width: 520px; }
.hanzo-cta-row { display: flex; gap: 16px; align-items: center; }
.photo-matting { border-radius: 6px; overflow: hidden; border: 1px solid var(--border-tannin); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6); }
.photo-matting img { width: 100%; height: auto; display: block; }

.patina-timeline-section { border-top: 1px solid var(--border-tannin); border-bottom: 1px solid var(--border-tannin); background: #14100e; padding: 80px 6vw; }
.patina-intro { text-align: center; max-width: 700px; margin: 0 auto 50px; }
.patina-intro span { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--clay-warm); }
.patina-intro h2 { font-family: var(--font-serif); font-size: 2.3rem; margin: 8px 0 14px; font-weight: 600; }
.patina-intro p { color: var(--text-muted); font-size: 0.95rem; }

.timeline-cards-row { max-width: 1360px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.timeline-step { background: var(--card-dark); border: 1px solid var(--border-tannin); border-radius: 6px; padding: 28px 20px; position: relative; }
.step-num { font-family: var(--font-serif); font-size: 0.8rem; letter-spacing: 0.16em; color: var(--clay-warm); margin-bottom: 10px; font-weight: 700; }
.timeline-step h4 { font-family: var(--font-serif); font-size: 1.2rem; color: #fff; margin-bottom: 10px; }
.timeline-step p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; }

.monogram-studio-section { padding: 90px 6vw; max-width: 1200px; margin: 0 auto; }
.monogram-studio-card { background: var(--card-dark); border: 1px solid var(--border-tannin); border-radius: 8px; padding: 48px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.monogram-preview-panel { text-align: center; }
.preview-tag { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 16px; }
.leather-swatch-box { background-color: #3d141d; height: 220px; border-radius: 6px; border: 2px solid #571e2b; display: flex; align-items: center; justify-content: center; box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8); transition: var(--transition); }
.stamped-text { font-family: var(--font-serif); font-size: 2.8rem; letter-spacing: 0.25em; color: #c5a059; font-weight: 700; text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8); }
.swatch-caption { font-size: 0.8rem; color: var(--text-muted); margin-top: 14px; }

.monogram-controls-panel h2 { font-family: var(--font-serif); font-size: 2rem; margin: 6px 0 24px; }
.input-block label { font-size: 0.82rem; font-weight: 600; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 8px; }
.input-block input { width: 100%; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-tannin); color: #fff; padding: 12px 16px; border-radius: 3px; font-size: 1rem; outline: none; }
.input-block input:focus { border-color: var(--clay-warm); }
.foil-options { display: flex; gap: 10px; flex-wrap: wrap; }
.foil-btn { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border-tannin); color: var(--text-light); padding: 8px 16px; border-radius: 3px; font-size: 0.82rem; cursor: pointer; transition: var(--transition); }
.foil-btn:hover { border-color: var(--clay-warm); }
.foil-btn.active { background: var(--clay-terracotta); color: #fff; font-weight: 600; border-color: var(--clay-terracotta); }
.btn-wide { width: 100%; padding: 14px; margin-top: 26px; }

.hanzo-footer { border-top: 1px solid var(--border-tannin); padding: 50px 6vw; text-align: center; font-size: 0.8rem; color: var(--text-muted); }
.hanzo-footer-title { font-family: var(--font-serif); font-size: 1.15rem; letter-spacing: 0.16em; color: var(--clay-warm); margin-bottom: 8px; }

@media (max-width: 900px) {
  .hanzo-menu { display: none; }
  .hanzo-hero { grid-template-columns: 1fr; }
  .timeline-cards-row { grid-template-columns: 1fr 1fr; }
  .monogram-studio-card { grid-template-columns: 1fr; padding: 30px 20px; }
}