/* ============================================================
   TRADIX — Design tokens
   Catalog / ledger aesthetic: ivory paper, deep ink, brass stamp,
   forest secondary. Fraunces for display, Inter for body,
   IBM Plex Mono for utility/catalog codes.
   ============================================================ */

:root {
  --paper: #F3EFE4;
  --paper-alt: #EAE2D0;
  --ink: #1D2420;
  --ink-soft: #52594F;
  --ink-faint: #8A8F82;
  --brass: #A8762E;
  --brass-dark: #7C5A22;
  --brass-light: #C79A52;
  --forest: #2F4A38;
  --forest-light: #E4E9DE;
  --line: #D9CFB8;
  --white: #FFFFFF;
  --red: #8C3B2E;

  --radius: 2px;
  --max-w: 1200px;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

p { margin: 0 0 1em; color: var(--ink-soft); }

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-mark { display: flex; align-items: center; gap: 12px; }
.logo-mark svg { width: 34px; height: 34px; }
.logo-word {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.logo-word .dot { color: var(--brass); }

.main-nav {
  display: flex;
  gap: 24px;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
}

.main-nav a {
  position: relative;
  padding: 4px 0;
  color: var(--ink-soft);
  transition: color .15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--brass);
}

.header-actions { display: flex; align-items: center; gap: 20px; }
.icon-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  transition: border-color .15s ease, background .15s ease;
}
.icon-btn:hover { border-color: var(--brass); background: var(--white); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 38px; height: 38px;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.hero h1 {
  font-size: 58px;
  line-height: 1.03;
  margin: 18px 0 22px;
}

.hero-lede {
  font-size: 17px;
  max-width: 46ch;
  margin-bottom: 30px;
}

.hero-actions { display: flex; gap: 16px; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--forest); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--brass); color: var(--brass-dark); }

.hero-plate {
  border: 1px solid var(--line);
  background: var(--paper-alt);
  padding: 28px;
  position: relative;
}
.hero-plate svg { width: 100%; height: auto; }
.hero-plate-caption {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

/* ---------- Category index (signature element) ---------- */

.cat-index { padding: 84px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  gap: 20px;
}
.section-head h2 { font-size: 34px; }
.section-head .eyebrow { margin-bottom: 14px; }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.cat-card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 26px;
  background: var(--paper);
  transition: background .18s ease;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cat-card:hover { background: var(--paper-alt); }

.cat-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cat-code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass-dark);
  letter-spacing: 0.08em;
}

.cat-icon { width: 40px; height: 40px; color: var(--ink); }

.cat-card h3 {
  font-size: 21px;
  margin-top: 22px;
}

.cat-card-meta {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-card-arrow {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-card-arrow svg { width: 14px; height: 14px; transition: transform .15s ease; }
.cat-card:hover .cat-card-arrow svg { transform: translateX(4px); }

/* ---------- Strip / trust bar ---------- */

.trust-strip {
  border-bottom: 1px solid var(--line);
  background: var(--forest);
}
.trust-strip .container {
  display: flex;
  justify-content: space-between;
  padding: 22px 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--forest-light);
  font-size: 13px;
  font-weight: 500;
}
.trust-item svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Product grid ---------- */

.product-section { padding: 70px 0 96px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.product-card {
  background: var(--paper);
  padding: 0 0 22px;
  display: flex;
  flex-direction: column;
}

.product-media {
  aspect-ratio: 1 / 1;
  background: var(--paper-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  border-bottom: 1px solid var(--line);
  position: relative;
  color: var(--ink);
}
.product-media svg { width: 100%; height: 100%; }

/* Subtle rotation through tints so repeated category icons don't look identical */
.product-card:nth-child(6n+2) .product-media { background: #E7DCC2; }
.product-card:nth-child(6n+3) .product-media { background: var(--forest-light); color: var(--forest); }
.product-card:nth-child(6n+4) .product-media { background: #EFE8DA; }
.product-card:nth-child(6n+5) .product-media { background: #E3DCC9; color: var(--brass-dark); }
.product-card:nth-child(6n+6) .product-media { background: var(--paper-alt); }

.product-sku {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--ink-faint);
  background: var(--paper);
  padding: 3px 7px;
  border: 1px solid var(--line);
}

.product-body { padding: 20px 22px 0; flex: 1; display: flex; flex-direction: column; }
.product-body h4 { font-size: 16px; font-weight: 600; font-family: var(--font-body); margin-bottom: 6px; }
.product-body .product-desc { font-size: 13px; margin-bottom: 14px; flex: 1; }

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.price { font-family: var(--font-mono); font-size: 16px; font-weight: 600; color: var(--ink); }
.add-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 9px 14px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.add-btn:hover { background: var(--ink); color: var(--paper); }
.add-btn.added { background: var(--forest); border-color: var(--forest); color: var(--white); }

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  padding: 22px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--line);
}
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--brass-dark); }

.cat-hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
}
.cat-hero .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
}
.cat-hero h1 { font-size: 44px; margin: 14px 0 10px; }
.cat-hero-icon { width: 62px; height: 62px; color: var(--brass-dark); }
.cat-hero-desc { max-width: 52ch; }

/* ---------- About / Contact ---------- */

.page-hero { padding: 78px 0 56px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: 46px; margin: 14px 0 16px; max-width: 16ch; }
.page-hero p { max-width: 60ch; font-size: 17px; }

.content-block { padding: 64px 0; border-bottom: 1px solid var(--line); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.content-block h2 { font-size: 28px; margin-bottom: 18px; }
.content-block .col p { font-size: 15px; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.info-cell {
  padding: 30px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.info-cell .eyebrow { margin-bottom: 12px; }
.info-cell p { font-size: 14.5px; margin: 0; }

.contact-form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}
.form-row { display: grid; gap: 8px; }
.form-row label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
}
.form-row input, .form-row textarea, .form-row select {
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  color: var(--ink);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: var(--paper-alt);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(243,239,228,0.14);
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--brass-light);
  margin-bottom: 16px;
}
.footer-col a, .footer-col p {
  display: block;
  font-size: 13.5px;
  color: #C9CBC2;
  margin-bottom: 10px;
}
.footer-col a:hover { color: var(--paper); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo svg { width: 28px; height: 28px; color: var(--paper-alt); }
.footer-logo span { font-family: var(--font-display); font-size: 19px; color: var(--paper); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 26px;
  font-size: 12px;
  color: #8B8F84;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Utility / focus ---------- */

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero .container { grid-template-columns: 1fr; }
  .hero-plate { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .main-nav, .header-actions .icon-btn:first-child { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 56px 0 48px; }
  .hero h1 { font-size: 38px; }
  .cat-grid, .product-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .site-header .container { height: 68px; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

/* ---------- Mobile nav drawer ---------- */

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--paper);
  z-index: 100;
  display: none;
  flex-direction: column;
  padding: 24px 32px;
}
.mobile-nav.open { display: flex; }
.mobile-nav-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.mobile-nav a { font-family: var(--font-display); font-size: 26px; padding: 14px 0; border-bottom: 1px solid var(--line); }