/* ShelveScan marketing — warm library palette, serif headers, no AI-slop spectrum */
:root {
  --paper: #f6f1e7;
  --paper-deep: #efe7d7;
  --ink: #3a332c;
  --ink-soft: #6b6357;
  --accent: #2f5d50;       /* library green */
  --accent-warm: #7a4a2e;  /* leather brown */
  --board: #bcae95;
  --line: #d9cfba;
  --serif: 'Lora', Georgia, serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.65;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* header */
header { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 10; }
header .wrap { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 600; font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
nav { display: flex; gap: 22px; align-items: center; }
nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: var(--ink); }
nav a.cta { color: var(--paper); background: var(--accent); padding: 8px 16px; border-radius: 6px; }
nav a.cta:hover { background: #244839; }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; padding-top: 72px; padding-bottom: 84px; align-items: center; }
.kicker { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-warm); margin: 0 0 14px; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); line-height: 1.12; margin: 0 0 20px; font-weight: 500; letter-spacing: -0.015em; }
h1 em { font-style: italic; color: var(--accent); }
.lede { font-size: 1.15rem; color: var(--ink-soft); margin: 0 0 28px; max-width: 34em; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.button { display: inline-block; text-decoration: none; padding: 12px 22px; border-radius: 8px; font-family: var(--serif); font-size: 1rem; }
.button.primary { background: var(--accent); color: var(--paper); }
.button.primary:hover { background: #244839; }
.button.ghost { border: 1px solid var(--ink); color: var(--ink); }
.button.ghost:hover { background: var(--paper-deep); }
.proof { list-style: none; padding: 0; margin: 0; display: flex; gap: 24px; flex-wrap: wrap; }
.proof li { font-size: 0.92rem; color: var(--ink-soft); }
.proof strong { color: var(--ink); }

/* the shelf demo — actual book spines */
.hero-shelf { text-align: center; }
.shelf-demo {
  display: flex; align-items: flex-end; justify-content: center; gap: 5px;
  padding: 26px 18px 0; border-bottom: 14px solid var(--board);
  border-radius: 3px 3px 0 0; min-height: 210px;
  box-shadow: 0 18px 30px -18px rgba(58, 51, 44, 0.35);
  background: linear-gradient(180deg, transparent 0%, rgba(188, 174, 149, 0.08) 100%);
}
.spine {
  width: clamp(20px, 3.2vw, 34px);
  height: var(--h);
  background: var(--c);
  border-radius: 2px 2px 0 0;
  position: relative;
}
.spine::after {
  content: var(--t);
  position: absolute; top: 14px; left: 50%;
  transform: translateX(-50%) rotate(90deg); transform-origin: left top;
  white-space: nowrap;
  color: rgba(246, 241, 231, 0.85);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}
.shelf-caption { font-size: 0.9rem; color: var(--ink-soft); margin-top: 16px; }
.mono { font-family: var(--mono); color: var(--accent); }

/* sections */
section { padding: 56px 0; }
h2 { font-size: 1.9rem; font-weight: 500; margin: 0 0 32px; letter-spacing: -0.01em; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps h3 { font-size: 1.1rem; margin: 0 0 10px; color: var(--accent); font-weight: 600; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

/* pricing */
#pricing { background: var(--paper-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 26px 24px; display: flex; flex-direction: column; gap: 10px; }
.card.featured { border-color: var(--accent); box-shadow: 0 12px 28px -14px rgba(47, 93, 80, 0.4); }
.card h3 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.card .price { margin: 0; font-size: 1.9rem; font-weight: 500; }
.card .price span { font-size: 0.9rem; color: var(--ink-soft); font-weight: 400; }
.card p:not(.price) { margin: 0 0 8px; color: var(--ink-soft); font-size: 0.95rem; flex-grow: 1; }
.card .button { text-align: center; }

/* manifesto */
.manifesto { max-width: 720px; }
.manifesto p { color: var(--ink-soft); font-size: 1.08rem; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 26px 0; }
footer .wrap { display: flex; gap: 18px; align-items: baseline; flex-wrap: wrap; }
footer .tag { color: var(--ink-soft); font-size: 0.85rem; font-family: var(--mono); }
footer a { color: var(--accent); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 48px; }
  .steps, .cards { grid-template-columns: 1fr; }
  nav a:not(.cta) { display: none; }
}