/* ============================================
   BIDGY BOOKS: Shared Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Palette */
  --ink:        #16233D;
  --ink-deep:   #0E1830;
  --paper:      #F3EFE4;
  --paper-dim:  #D7D1C0;
  --brass:      #D9A65C;
  --brass-soft: #B4874A;
  --brass-light:#E8BE85;
  --slate:      #9FB2D9;
  --slate-soft: #5A6E96;

  /* Type */
  --display: 'Fraunces', Georgia, serif;
  --body: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --rule: rgba(243, 239, 228, 0.16);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

a {
  color: var(--paper);
  text-decoration: none;
}

a:visited { color: var(--paper); }

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

/* ---------- Layout shell ---------- */

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(14, 20, 32, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.wordmark {
  font-family: var(--display);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wordmark .mark { color: var(--brass); }

.wordmark .mark-logo {
  display: block;
  width: 60px;
  height: 69px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: 36px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--paper-dim);
  transition: color 0.2s ease;
  position: relative;
}

.site-nav a:hover, .site-nav a:focus-visible {
  color: var(--paper);
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--brass);
  transition: width 0.25s ease;
}

.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }

@media (max-width: 720px) {
  .site-nav { display: none; }
}

/* ---------- Buttons / links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 24px;
  border: 1px solid var(--brass-soft);
  border-radius: 2px;
  color: var(--paper);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover, .btn:focus-visible {
  background: var(--brass);
  border-color: var(--brass);
  color: var(--ink-deep);
}

.btn.ghost {
  border-color: var(--rule);
  color: var(--paper-dim);
}

.btn.ghost:hover { border-color: var(--paper-dim); background: transparent; color: var(--paper); }

.btn.kindle {
  border-color: #FF9900;
  color: #FF9900;
}
.btn.kindle:hover, .btn.kindle:focus-visible {
  background: #FF9900;
  border-color: #FF9900;
  color: var(--ink-deep);
}

.btn.soon {
  border-color: var(--rule);
  color: var(--paper-dim);
  cursor: default;
  pointer-events: none;
}

.plate-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0;
}

/* ---------- Glyph mark (signature element) ---------- */

.glyph { display: block; }
.glyph line, .glyph circle { vector-effect: non-scaling-stroke; }

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

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 56px 0 40px;
  color: var(--slate);
  font-size: 13.5px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links a { color: var(--slate); transition: color 0.2s ease; }
.footer-links a:hover { color: var(--paper-dim); }

/* ---------- Eyebrow / labels ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-light);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}