/* Endpaper — Marketing landing page styles
   Brand: warm, literary, indie-bookstore. Paper, ink, ember. */

:root {
  --paper: #F5EFE2;
  --paper-deep: #ECE3D0;
  --paper-light: #FBF7EB;
  --paper-bright: #FFFCF3;
  --ink: #1A1410;
  --ink-soft: #4A3F35;
  --ink-faint: #6F6354;
  --ember: #C2410C;
  --ember-deep: #A8370A;
  --ember-soft: #E97E55;
  --ember-bg: rgba(194, 65, 12, 0.08);
  --wisp: #4D7A5C;
  --line: #D9CFB8;
  --shadow-sm: 0 1px 0 #E8DFCB;
  --shadow-md: 0 1px 0 #E8DFCB, 0 8px 24px -10px rgba(26, 20, 16, 0.18);
  --shadow-lg: 0 1px 0 #E8DFCB, 0 24px 48px -16px rgba(26, 20, 16, 0.25);
  --radius: 6px;
  --radius-lg: 10px;
  --serif: "Charter", "Iowan Old Style", "Apple Garamond", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 10;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 20px; letter-spacing: -0.02em;
  color: var(--ink);
}
.brand-mark { width: 28px; height: 28px; border-radius: 4px; }
.topnav { display: flex; align-items: center; gap: 22px; }
.topnav a {
  color: var(--ink-soft); font-family: var(--sans); font-size: 14px;
}
.topnav a:hover { color: var(--ember); }
.topnav .nav-cta {
  color: var(--ember); font-weight: 600;
}

/* HERO */
.hero {
  display: grid; gap: 48px;
  grid-template-columns: 1fr;
  padding: 80px 32px;
  max-width: 1200px; margin: 0 auto;
  align-items: center;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.2fr 1fr; padding: 100px 32px; }
}
.hero-inner { max-width: 600px; }
.kicker {
  display: inline-block; font-family: var(--sans); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ember); background: var(--ember-bg);
  padding: 6px 12px; border-radius: 999px; font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.04; letter-spacing: -0.025em;
  margin: 0 0 20px; font-weight: 700;
}
.hero h1 em { color: var(--ember); font-style: italic; }
.hero .lede {
  font-size: 19px; color: var(--ink-soft);
  max-width: 560px; margin: 0 0 28px;
}
.cta-row {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px;
}
.hero-fineprint {
  font-family: var(--sans); font-size: 13px; color: var(--ink-faint);
  margin: 12px 0 0;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-size: 15px; font-weight: 600;
  padding: 13px 22px; border-radius: var(--radius); border: 1px solid transparent;
  cursor: pointer; transition: all 120ms ease;
  letter-spacing: 0.01em;
}
.btn.big { padding: 16px 28px; font-size: 16px; }
.btn.primary { background: var(--ember); color: var(--paper-bright); }
.btn.primary:hover { background: var(--ember-deep); }
.btn.secondary {
  background: transparent; color: var(--ink); border-color: var(--ink);
}
.btn.secondary:hover { background: var(--ink); color: var(--paper-bright); }

/* Hero visual: shelf-talker mockup */
.hero-visual { display: flex; justify-content: center; }
.shelf-talker {
  background: var(--paper-bright);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 24px;
  width: 100%; max-width: 320px;
  box-shadow: var(--shadow-lg);
  transform: rotate(-2deg);
  position: relative;
}
.shelf-talker::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, transparent, transparent 6px, rgba(26, 20, 16, 0.02) 6px, rgba(26, 20, 16, 0.02) 7px);
  pointer-events: none; border-radius: 4px;
}
.st-cover {
  height: 60px; background: linear-gradient(135deg, var(--ink) 0%, #2D2520 100%);
  border-radius: 2px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--paper);
  font-family: var(--serif); font-style: italic;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
}
.st-cover::before { content: "Pick of the Week"; }
.st-eyebrow {
  font-family: var(--sans); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--ember); margin: 0 0 8px; font-weight: 700;
}
.st-hook {
  font-size: 18px; line-height: 1.25; font-style: italic;
  color: var(--ink); margin: 0 0 12px;
}
.st-meta {
  font-family: var(--sans); font-size: 12px; color: var(--ink-soft);
  margin: 0 0 18px;
}
.st-qr {
  display: flex; justify-content: center; padding: 12px 0;
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
  margin-bottom: 10px;
}
.st-qr svg { width: 90px; height: 90px; }
.st-action {
  text-align: center; font-family: var(--sans); font-size: 11px;
  color: var(--ink-soft); margin: 0; letter-spacing: 0.04em;
}

/* SECTION base */
.section {
  max-width: 1100px; margin: 0 auto; padding: 80px 32px;
}
.section h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.015em; line-height: 1.15;
  margin: 0 0 32px;
}
.section h2 em { color: var(--ember); font-style: italic; }
.section-lede {
  font-size: 17px; color: var(--ink-soft); margin: -16px 0 36px;
  max-width: 720px;
}

/* PROBLEM */
.problem { background: var(--paper-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); max-width: none; }
.problem > h2, .problem > .problem-grid {
  max-width: 1100px; margin-left: auto; margin-right: auto;
}
.problem-grid {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) { .problem-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .problem-grid { grid-template-columns: repeat(4, 1fr); } }
.problem-card {
  background: var(--paper-bright); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm);
}
.problem-card .num {
  display: block; font-size: 36px; font-weight: 700;
  color: var(--ember); letter-spacing: -0.02em;
  margin-bottom: 8px; line-height: 1;
}
.problem-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* HOW */
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
  counter-reset: step;
}
@media (min-width: 600px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step {
  background: var(--paper-light); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; position: relative;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 999px;
  background: var(--ember); color: var(--paper-bright);
  font-family: var(--sans); font-weight: 700; font-size: 14px;
  margin-bottom: 14px;
}
.step h3 {
  font-size: 17px; margin: 0 0 6px; letter-spacing: -0.01em;
  font-weight: 700;
}
.step p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.5; }
.step p em { color: var(--ember); font-style: italic; }

/* DEMO CALLOUT */
.demo-callout { padding-top: 0; padding-bottom: 0; }
.demo-card {
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid; gap: 28px;
  grid-template-columns: 1fr;
  align-items: center;
  box-shadow: var(--shadow-lg);
}
@media (min-width: 800px) { .demo-card { grid-template-columns: 1.4fr 1fr; padding: 56px; } }
.demo-card .kicker {
  background: rgba(233, 126, 85, 0.16); color: var(--ember-soft);
}
.demo-card h2 { color: var(--paper); font-size: 32px; margin: 0 0 12px; line-height: 1.2; }
.demo-card p { color: #C9BFA9; margin: 0 0 0; font-size: 16px; }

/* PRICING */
.pricing { text-align: center; }
.pricing > h2, .pricing > .section-lede { text-align: center; margin-left: auto; margin-right: auto; }
.tier-grid {
  display: grid; gap: 20px;
  grid-template-columns: 1fr;
  text-align: left;
  margin-top: 16px;
}
@media (min-width: 800px) { .tier-grid { grid-template-columns: repeat(3, 1fr); } }
.tier {
  background: var(--paper-light); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column;
  position: relative;
}
.tier.featured {
  border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.1), var(--shadow-md);
  transform: translateY(-4px);
}
.tier .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--ember); color: var(--paper-bright);
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px; white-space: nowrap;
}
.tier h3 {
  font-size: 24px; margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.tier .price {
  font-size: 48px; font-weight: 700; line-height: 1;
  color: var(--ink); letter-spacing: -0.025em;
  margin: 0 0 8px;
}
.tier .price .dollar {
  font-size: 24px; vertical-align: super; margin-right: 2px;
  font-weight: 600; color: var(--ink-soft);
}
.tier .price .per {
  font-size: 16px; font-weight: 400;
  color: var(--ink-soft); margin-left: 2px;
}
.tier-desc {
  font-family: var(--sans); font-size: 13px;
  color: var(--ink-soft); margin: 0 0 18px;
}
.tier ul {
  list-style: none; padding: 0; margin: 0 0 22px;
  flex: 1;
}
.tier ul li {
  font-family: var(--sans); font-size: 14px;
  padding: 7px 0; padding-left: 22px; position: relative;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.tier ul li:last-child { border-bottom: none; }
.tier ul li::before {
  content: "✓"; position: absolute; left: 0; top: 7px;
  color: var(--wisp); font-weight: 700;
}

/* FAQ */
.faq {
  max-width: 820px;
}
.faq-grid { display: flex; flex-direction: column; gap: 12px; }
.faq details {
  background: var(--paper-light); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.faq details[open] { border-color: var(--ember); }
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 700;
  font-size: 16px; color: var(--ink); list-style: none;
  position: relative; padding-right: 48px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px; color: var(--ember);
  transition: transform 200ms ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p {
  margin: 0; padding: 0 22px 20px;
  color: var(--ink-soft); font-size: 15px;
}
.faq details em { color: var(--ember); font-style: italic; }

/* WAITLIST */
.waitlist {
  text-align: center;
}
.waitlist-card {
  background: var(--ink); color: var(--paper);
  padding: 56px 48px; border-radius: var(--radius-lg);
  max-width: 720px; margin: 0 auto;
  box-shadow: var(--shadow-lg);
}
.waitlist-card h2 { color: var(--paper); font-size: 32px; margin: 0 0 12px; }
.waitlist-card p { color: #C9BFA9; margin: 0 0 24px; font-size: 16px; }
.waitlist-form {
  display: flex; flex-direction: column; gap: 10px;
  max-width: 540px; margin: 0 auto;
}
@media (min-width: 600px) { .waitlist-form { flex-direction: row; flex-wrap: wrap; } }
.waitlist-form input {
  flex: 1 1 200px; padding: 13px 16px;
  background: #2A1F19; color: var(--paper);
  border: 1px solid #3F302A; border-radius: var(--radius);
  font-family: var(--sans); font-size: 14px;
}
.waitlist-form input::placeholder { color: #8A7F70; }
.waitlist-form input:focus {
  outline: none; border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.16);
}
.waitlist-form button { flex: 0 0 auto; }
.waitlist-status {
  margin-top: 16px; font-family: var(--sans); font-size: 14px;
  color: var(--ember-soft); min-height: 18px;
}

/* FOOTER */
.foot {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  padding: 32px;
  font-family: var(--sans); font-size: 13px;
  color: var(--ink-soft);
}
.foot-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.foot a { color: var(--ember); }
.foot a:hover { text-decoration: underline; }
.foot p { margin: 0; }