/* ==========================================================================
   Astraea Beyond — shared stylesheet
   All colour and typography values live in :root as custom properties.
   No hex codes or font-family names appear anywhere outside this block,
   so the whole site can be re-themed by editing the variables below.
   ========================================================================== */

:root {
  /* ---- Colour tokens ---- */
  --color-bg: #f7f5ef;
  --color-surface: #ffffff;
  --color-surface-alt: #eceae2;
  --color-ink: #0a1426;
  --color-ink-soft: #3a423e;
  --color-muted: #68716d;
  --color-line: #dcd9cf;
  --color-accent: #c8a45a;
  --color-accent-ink: #0a1426;
  --color-on-ink: #f7f5ef;
  --color-success-bg: #e7f0e6;
  --color-success-ink: #2b4a2c;
  --color-error-bg: #fbe9e7;
  --color-error-ink: #7a2b20;

  /* ---- Typography tokens ---- */
  --font-display: 'Astraea Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Astraea Body', -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --tracking-wide: 0.14em;
  --tracking-wider: 0.24em;

  /* ---- Scale ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --container-max: 1180px;
  --focus-ring: 0 0 0 3px rgba(200, 164, 90, 0.55);
  --shadow-card: 0 1px 2px rgba(10, 20, 38, 0.06), 0 8px 24px rgba(10, 20, 38, 0.06);
}

/* Local font faces, served from /assets so the two custom typefaces load
   without depending on a third-party font CDN. */
@font-face {
  font-family: 'Astraea Display';
  src: url('/assets/BodoniModa-Regular.ttf') format('truetype');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Astraea Display';
  src: url('/assets/BodoniModa-Medium.ttf') format('truetype');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Astraea Display';
  src: url('/assets/BodoniModa-Bold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; margin: 0 0 var(--space-3); }
p { margin: 0 0 var(--space-4); color: var(--color-ink-soft); }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25em; color: var(--color-ink-soft); }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-5); }

/* ---- Accessibility helpers ---- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--color-ink); color: var(--color-on-ink);
  padding: var(--space-3) var(--space-5); border-radius: 0 0 var(--radius-md) 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  padding: 14px 26px; border-radius: var(--radius-pill); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; line-height: 1;
}
.btn-primary { background: var(--color-accent); color: var(--color-accent-ink); }
.btn-primary:hover { filter: brightness(0.94); }
.btn-secondary { background: transparent; color: var(--color-ink); border-color: var(--color-line); }
.btn-secondary:hover { border-color: var(--color-ink); }
.btn-onink { background: var(--color-on-ink); color: var(--color-ink); }
.btn-ghost-onink { background: transparent; color: var(--color-on-ink); border-color: rgba(247,245,239,0.4); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-block { width: 100%; }

/* ---- Header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 200; background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) 0;
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand img { width: 40px; height: 40px; border-radius: var(--radius-sm); }
.brand .word { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: var(--tracking-wide); color: var(--color-ink); }
.brand .word small { display: block; font-family: var(--font-body); font-size: 0.55rem; letter-spacing: var(--tracking-wider); color: var(--color-accent); font-weight: 700; margin-top: 2px; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; font-size: 0.95rem; font-weight: 500; color: var(--color-ink-soft); }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--color-ink); }
.nav-actions { display: flex; align-items: center; gap: var(--space-4); }
.cart-btn { position: relative; background: none; border: none; cursor: pointer; padding: var(--space-2); }
.cart-count {
  position: absolute; top: -4px; right: -6px; background: var(--color-accent); color: var(--color-accent-ink);
  font-size: 0.68rem; font-weight: 700; min-width: 18px; height: 18px; border-radius: var(--radius-pill);
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}
.menu-toggle { display: none; background: none; border: 1px solid var(--color-line); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 1.1rem; cursor: pointer; }

@media (max-width: 860px) {
  .nav-links { position: fixed; inset: 68px 0 0 0; background: var(--color-bg); flex-direction: column; align-items: flex-start;
    padding: var(--space-6) var(--space-5); gap: var(--space-5); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: 0.18s ease; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .menu-toggle { display: inline-flex; }
}

/* ---- Hero / sections ---- */
.section { padding: var(--space-9) 0; }
.section-tight { padding: var(--space-7) 0; }
.section-alt { background: var(--color-surface-alt); }
.section-ink { background: var(--color-ink); color: var(--color-on-ink); }
.section-ink p { color: rgba(247,245,239,0.78); }
.eyebrow { font-size: 0.78rem; letter-spacing: var(--tracking-wider); font-weight: 700; color: var(--color-accent); margin-bottom: var(--space-3); text-transform: uppercase; }
.lede { font-size: 1.1rem; max-width: 640px; }

.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-8); align-items: center; }
.hero h1 { font-size: clamp(2.1rem, 4vw, 3.1rem); }
.hero-actions { display: flex; gap: var(--space-4); margin-top: var(--space-5); flex-wrap: wrap; }
.hero-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.card {
  background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg);
  padding: var(--space-6); box-shadow: var(--shadow-card);
}
.card-media { border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--space-5); background: var(--color-surface-alt); }
.card h3 { font-size: 1.4rem; }
.tag {
  display: inline-block; background: var(--color-ink); color: var(--color-on-ink);
  font-size: 0.72rem; letter-spacing: var(--tracking-wide); font-weight: 700; text-transform: uppercase;
  padding: 6px 12px; border-radius: var(--radius-sm); margin-bottom: var(--space-3);
}
.tag-alt { background: var(--color-surface-alt); color: var(--color-ink); border: 1px solid var(--color-line); }

.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li { display: flex; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-line); }
.feature-list li:last-child { border-bottom: 0; }
.feature-list .n {
  flex: none; width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--color-accent);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; font-size: 0.8rem;
}

/* ---- Product / system PDP ---- */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: start; }
.gallery-main { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-line); margin-bottom: var(--space-3); }
.gallery-thumbs { display: flex; gap: var(--space-3); }
.gallery-thumbs button { padding: 0; border: 2px solid var(--color-line); border-radius: var(--radius-md); overflow: hidden; background: none; cursor: pointer; width: 84px; height: 84px; }
.gallery-thumbs button[aria-current="true"] { border-color: var(--color-accent); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.price-row { display: flex; align-items: baseline; gap: var(--space-3); margin: var(--space-4) 0; }
.price-now { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.price-mrp { text-decoration: line-through; color: var(--color-muted); font-size: 1.05rem; }
.price-discount { color: var(--color-success-ink); background: var(--color-success-bg); padding: 3px 10px; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 700; }
.tax-note { font-size: 0.85rem; color: var(--color-muted); margin-bottom: var(--space-5); }

.qty-control { display: inline-flex; align-items: center; border: 1px solid var(--color-line); border-radius: var(--radius-pill); overflow: hidden; }
.qty-control button { width: 40px; height: 40px; border: none; background: var(--color-surface); font-size: 1.1rem; cursor: pointer; }
.qty-control input { width: 44px; text-align: center; border: none; font-size: 1rem; -moz-appearance: textfield; }
.pdp-actions { display: flex; align-items: center; gap: var(--space-4); margin: var(--space-5) 0; flex-wrap: wrap; }

table.spec-table { width: 100%; border-collapse: collapse; margin: var(--space-4) 0 var(--space-6); }
table.spec-table th, table.spec-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-line); font-size: 0.94rem; }
table.spec-table th { width: 42%; color: var(--color-muted); font-weight: 500; }
table.spec-table td { font-weight: 600; }

details.pdp-accordion { border-top: 1px solid var(--color-line); padding: var(--space-4) 0; }
details.pdp-accordion summary { cursor: pointer; font-weight: 600; font-family: var(--font-display); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; }
details.pdp-accordion summary::-webkit-details-marker { display: none; }
details.pdp-accordion summary::after { content: '+'; font-size: 1.3rem; }
details.pdp-accordion[open] summary::after { content: '\2212'; }

.metrology-box { background: var(--color-surface-alt); border-radius: var(--radius-md); padding: var(--space-5); margin: var(--space-6) 0; }
.metrology-box dl { display: grid; grid-template-columns: 180px 1fr; row-gap: var(--space-2); column-gap: var(--space-4); margin: 0; }
.metrology-box dt { color: var(--color-muted); font-size: 0.85rem; }
.metrology-box dd { margin: 0; font-weight: 600; font-size: 0.92rem; }

.claim-note { border-left: 3px solid var(--color-accent); padding: var(--space-3) var(--space-4); background: var(--color-surface-alt); font-size: 0.88rem; color: var(--color-ink-soft); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* ---- RFQ form ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.form-field.full { grid-column: 1 / -1; }
label { font-size: 0.86rem; font-weight: 600; }
label .req { color: var(--color-accent); }
input, select, textarea {
  font: inherit; padding: 12px 14px; border: 1px solid var(--color-line); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-ink);
}
textarea { resize: vertical; min-height: 96px; }
.hint { font-size: 0.8rem; color: var(--color-muted); }
.checkbox-row { display: flex; gap: var(--space-3); align-items: flex-start; margin: var(--space-4) 0; }
.checkbox-row input { margin-top: 4px; width: 18px; height: 18px; }
.checkbox-row label { font-weight: 400; font-size: 0.88rem; color: var(--color-ink-soft); }
.form-msg { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: 0.9rem; margin-bottom: var(--space-4); display: none; }
.form-msg.success { display: block; background: var(--color-success-bg); color: var(--color-success-ink); }
.form-msg.error { display: block; background: var(--color-error-bg); color: var(--color-error-ink); }
[aria-invalid="true"] { border-color: var(--color-error-ink); }
.field-error { color: var(--color-error-ink); font-size: 0.8rem; display: none; }
[aria-invalid="true"] ~ .field-error, .form-field:has([aria-invalid="true"]) .field-error { display: block; }

/* ---- Cart drawer ---- */
.drawer-overlay { position: fixed; inset: 0; background: rgba(10,20,38,0.45); z-index: 400; opacity: 0; pointer-events: none; transition: 0.2s ease; }
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100vw); background: var(--color-surface);
  z-index: 401; transform: translateX(100%); transition: 0.24s ease; display: flex; flex-direction: column;
  box-shadow: -8px 0 30px rgba(10,20,38,0.18);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-head { display: flex; justify-content: space-between; align-items: center; padding: var(--space-5); border-bottom: 1px solid var(--color-line); }
.cart-drawer-body { flex: 1; overflow-y: auto; padding: var(--space-5); }
.cart-line { display: grid; grid-template-columns: 64px 1fr auto; gap: var(--space-3); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-line); align-items: center; }
.cart-line img { width: 64px; height: 64px; object-fit: cover; border-radius: var(--radius-sm); }
.cart-line .name { font-weight: 600; font-size: 0.92rem; }
.cart-line .remove { background: none; border: none; color: var(--color-muted); font-size: 0.78rem; cursor: pointer; padding: 0; text-decoration: underline; }
.cart-drawer-foot { padding: var(--space-5); border-top: 1px solid var(--color-line); }
.cart-subtotal-row { display: flex; justify-content: space-between; margin-bottom: var(--space-4); font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; }
.cart-empty { text-align: center; color: var(--color-muted); padding: var(--space-8) 0; }
.icon-btn { background: none; border: none; cursor: pointer; font-size: 1.3rem; line-height: 1; padding: var(--space-2); }

/* ---- Checkout ---- */
.checkout-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-8); align-items: start; }
.order-summary { background: var(--color-surface); border: 1px solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-6); position: sticky; top: 100px; }
.summary-row { display: flex; justify-content: space-between; padding: var(--space-2) 0; font-size: 0.92rem; }
.summary-row.total { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; border-top: 1px solid var(--color-line); margin-top: var(--space-3); padding-top: var(--space-4); }
.payment-methods { display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-4) 0; }
.payment-method { border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: var(--space-4); display: flex; align-items: center; gap: var(--space-3); cursor: pointer; }
.payment-method input { width: 18px; height: 18px; }
.payment-method.selected { border-color: var(--color-accent); background: var(--color-surface-alt); }
.dev-note { border: 1px dashed var(--color-line); border-radius: var(--radius-md); padding: var(--space-4); font-size: 0.85rem; color: var(--color-muted); margin-top: var(--space-5); }

/* ---- Cookie consent ---- */
.cookie-banner {
  position: fixed; left: var(--space-5); right: var(--space-5); bottom: var(--space-5); z-index: 500;
  max-width: 560px; margin: 0 auto; background: var(--color-surface); border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent); border-radius: var(--radius-md); padding: var(--space-5);
  box-shadow: var(--shadow-card);
}
.cookie-banner h2 { font-size: 1rem; margin-bottom: var(--space-2); }
.cookie-banner p { font-size: 0.86rem; margin-bottom: var(--space-4); }
.cookie-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.cookie-actions .btn { padding: 10px 18px; font-size: 0.86rem; }
.cookie-detail { margin-top: var(--space-4); }
.cookie-detail summary { cursor: pointer; font-size: 0.82rem; font-weight: 600; }
.cookie-cat { display: flex; justify-content: space-between; align-items: center; padding: var(--space-2) 0; font-size: 0.84rem; }

/* ---- Footer ---- */
.site-footer { background: var(--color-ink); color: var(--color-on-ink); padding: var(--space-8) 0 var(--space-6); margin-top: var(--space-9); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); }
.site-footer h4 { color: var(--color-on-ink); font-size: 0.85rem; letter-spacing: var(--tracking-wide); text-transform: uppercase; font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-4); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: var(--space-2); }
.site-footer a { color: rgba(247,245,239,0.78); text-decoration: none; font-size: 0.9rem; }
.site-footer a:hover { color: var(--color-on-ink); }
.footer-legal { border-top: 1px solid rgba(247,245,239,0.14); margin-top: var(--space-7); padding-top: var(--space-5); font-size: 0.78rem; color: rgba(247,245,239,0.6); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }

/* ---- Policy pages ---- */
.policy-doc { max-width: 800px; }
.policy-doc h2 { margin-top: var(--space-7); font-size: 1.5rem; }
.policy-doc .updated { color: var(--color-muted); font-size: 0.88rem; margin-bottom: var(--space-6); }
.policy-toc { background: var(--color-surface-alt); border-radius: var(--radius-md); padding: var(--space-5); margin-bottom: var(--space-7); }
.policy-toc a { display: block; padding: 4px 0; font-size: 0.9rem; text-decoration: none; color: var(--color-ink-soft); }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: var(--space-6); left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--color-ink); color: var(--color-on-ink); padding: 12px 22px; border-radius: var(--radius-pill);
  font-size: 0.88rem; z-index: 600; opacity: 0; pointer-events: none; transition: 0.2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .hero, .split-grid, .pdp, .checkout-grid, .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .order-summary { position: static; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .metrology-box dl { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cart-drawer, .drawer-overlay, .toast, .nav-links { transition: none; }
}