/* Shared mockup-presentation frame for business card concepts.
   Card faces themselves stay self-contained per concept file. */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --gold: #c9a227;
  --gold-bright: #f0cf6b;
  --gold-soft: #e3c265;
  --gold-grad: linear-gradient(135deg, #f5d980 0%, #d9ac3b 45%, #a9791e 100%);
  --ink: #f3ede0;
  --ink-dim: #b9b2a2;
  --ink-faint: #7d7666;
  --card-black: #0a0908;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #e7e4de;
  background-image: radial-gradient(circle at 50% 0%, #f2f0eb, #dedad2 80%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #2a2620;
  padding: 48px 24px 80px;
}

.page-head {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}
.page-head .eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 10px;
}
.page-head h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 10px;
  color: #1a1710;
}
.page-head p {
  max-width: 520px;
  margin: 0 auto;
  color: #5a5344;
  font-size: 0.95rem;
  line-height: 1.6;
}

.pair-wrap {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.face-block { text-align: center; }
.face-label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a8272;
  font-weight: 600;
  margin-bottom: 10px;
}

.card {
  width: 3.5in;
  height: 2in;
  position: relative;
  overflow: hidden;
  background: var(--card-black);
  box-shadow: 0 18px 40px -14px rgba(20, 16, 8, 0.45), 0 2px 6px rgba(20, 16, 8, 0.2);
  color: var(--ink);
}

.back-to-index {
  display: block;
  max-width: 900px;
  margin: 56px auto 0;
  text-align: center;
}
.back-to-index a {
  color: #8a7c4a;
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px dotted #8a7c4a;
}
.back-to-index a:hover { color: #5a4f28; }

@media (max-width: 760px) {
  .pair-wrap { gap: 28px; }
  .card { width: min(3.5in, 88vw); height: calc(min(3.5in, 88vw) * (2/3.5)); }
}