/* ============================================================
   STACKINDEX AI — design tokens
   Metaphor: a library/card-catalog index of tools for solo founders.
   Palette avoids cliché cream+terracotta by pairing warm parchment
   with an ochre (not terracotta) accent and geometric-sans display type.
   ============================================================ */

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

:root {
  --paper: #F6F2E7;
  --paper-deep: #EFE9D8;
  --card: #FFFDF8;
  --ink: #16233E;
  --ink-soft: #45526E;
  --ochre: #C98A2C;
  --ochre-deep: #A56F1E;
  --sage: #62795C;
  --line: #DCD3BC;
  --line-strong: #C7BA9B;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(22,35,62,0.06), 0 8px 20px -12px rgba(22,35,62,0.18);
  --shadow-card-hover: 0 4px 10px rgba(22,35,62,0.08), 0 16px 32px -14px rgba(22,35,62,0.28);
}

* { 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: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Type ---------- */
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ochre-deep);
  font-weight: 500;
}
.mono { font-family: var(--font-mono); }

/* ---------- Header ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246,242,231,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.wordmark {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
}
.wordmark .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--white);
  background: var(--ink);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  transform: translateY(-4px);
}
nav.links {
  display: flex;
  gap: 32px;
  font-size: 14.5px;
  font-weight: 500;
}
nav.links a { text-decoration: none; color: var(--ink-soft); }
nav.links a:hover { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn:hover { background: #0F1930; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn.ghost:hover { border-color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: 46px;
  line-height: 1.08;
  margin: 14px 0 20px;
}
.hero h1 em {
  font-style: normal;
  color: var(--ochre-deep);
}
.hero p.lead {
  font-size: 17.5px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Stack of overlapping index cards — the signature element */
.card-stack {
  position: relative;
  height: 360px;
}
.stack-card {
  position: absolute;
  width: 78%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px 22px;
  transition: transform 0.35s ease;
}
.stack-card .callno {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ochre-deep);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: block;
}
.stack-card h4 { font-family: var(--font-display); font-size: 17px; margin: 0 0 6px; }
.stack-card p { font-size: 13px; color: var(--ink-soft); margin: 0; }
.stack-card.c1 { top: 0; left: 0; transform: rotate(-5deg); z-index: 1; }
.stack-card.c2 { top: 60px; left: 14%; transform: rotate(3deg); z-index: 2; }
.stack-card.c3 { top: 130px; left: 4%; transform: rotate(-2deg); z-index: 3; }
.card-stack:hover .stack-card { transform: rotate(0deg) translateY(-4px); }
.card-stack:hover .c2 { left: 14%; }

.stamp {
  position: absolute;
  right: 18px;
  top: -10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--sage);
  border: 1.5px solid var(--sage);
  border-radius: 999px;
  padding: 4px 10px;
  transform: rotate(8deg);
  background: rgba(255,253,248,0.9);
}

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { font-size: 30px; margin-top: 10px; }
.section-head p { color: var(--ink-soft); font-size: 15.5px; margin-top: 10px; }

.divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* Category grid */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cat-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.cat-card .n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
}
.cat-card h3 { font-size: 17px; font-family: var(--font-display); }
.cat-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.cat-card .count {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ochre-deep);
}

/* Picks list */
.picks {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}
.pick-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  text-decoration: none;
  color: var(--ink);
}
.pick-row + .pick-row { border-top: 1px solid var(--line); }
.pick-row:hover { background: var(--paper-deep); }
.pick-row .callno { font-family: var(--font-mono); font-size: 12.5px; color: var(--ochre-deep); }
.pick-row h4 { font-family: var(--font-display); font-size: 16.5px; margin: 0 0 4px; }
.pick-row p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.pick-row .go { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }

/* Capture */
.capture {
  background: var(--ink);
  border-radius: 16px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}
.capture h2 { color: var(--paper); font-size: 26px; }
.capture p { color: #B9C2D6; font-size: 14.5px; margin-top: 10px; }
.capture form { display: flex; gap: 10px; }
.capture input[type=email] {
  flex: 1;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #2A3A5C;
  background: #101C34;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 14.5px;
}
.capture input::placeholder { color: #7C8AAC; }
.capture .btn.ochre { background: var(--ochre); color: #1B1200; }
.capture .btn.ochre:hover { background: var(--ochre-deep); }
.capture .note { font-size: 12px; color: #7C8AAC; margin-top: 10px; }

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  padding: 44px 0 32px;
}
.foot-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-links { display: flex; gap: 24px; font-size: 13.5px; color: var(--ink-soft); flex-wrap: wrap; }
.foot-links a { text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.disclosure {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink-soft);
  max-width: 78ch;
  line-height: 1.7;
}

/* ---------- Comparison page ---------- */
.page-hero {
  padding: 44px 0 36px;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.breadcrumb a { text-decoration: none; color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--ink); }
.page-hero h1 { font-size: 34px; line-height: 1.15; margin: 8px 0 14px; }
.page-hero .updated {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sage);
}
.verdict-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 40px 0;
}
.verdict-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.verdict-card .role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ochre-deep);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.verdict-card h3 { font-size: 19px; margin: 8px 0 8px; }
.verdict-card p { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 14px; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.spec-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  font-weight: 500;
}
.spec-table td.price { font-family: var(--font-mono); font-weight: 600; }
.spec-table tr:last-child td { border-bottom: none; }

.prose { max-width: 72ch; font-size: 15.5px; }
.prose h2 { font-size: 23px; margin: 40px 0 14px; }
.prose p { margin: 0 0 16px; color: var(--ink-soft); }
.prose ul { padding-left: 20px; color: var(--ink-soft); }
.prose li { margin-bottom: 8px; }

.cta-box {
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 20px 0;
}
.cta-box .name { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.cta-box .price { font-family: var(--font-mono); font-size: 13px; color: var(--sage); margin-top: 4px; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 620px;
  margin: 0 auto;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  z-index: 100;
  font-size: 13px;
}
.cookie-banner.hidden { display: none; }
.cookie-banner p { margin: 0; color: #C7D0E4; }
.cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }
.cookie-actions button {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}
.cookie-actions .accept { background: var(--ochre); color: #1B1200; }
.cookie-actions .decline { background: transparent; color: var(--paper); border: 1px solid #3A4A6C; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .card-stack { height: 300px; margin-top: 20px; }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .capture { grid-template-columns: 1fr; padding: 32px 24px; }
  .verdict-box { grid-template-columns: 1fr; }
  nav.links { display: none; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 32px; }
  .cat-grid { grid-template-columns: 1fr; }
  .pick-row { grid-template-columns: 1fr; gap: 6px; }
}