/* tynkaa blog — e-book landing. Palette taken from the logo: letterpress ink on cream paper. */
:root {
  --paper: #f4f0e7;
  --paper-deep: #ebe5d8;
  --card: #fbf9f4;
  --ink: #2f2c28;
  --ink-soft: #5c5750;
  --line: #cfc7b7;
  --accent: #8a7a63;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --script: "Pinyon Script", "Brush Script MT", cursive;
  --sans: "Jost", "Helvetica Neue", Arial, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0 0 .5em; letter-spacing: .01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
h3 { font-size: 1.45rem; }
h1 em, h2 em { font-style: italic; font-weight: 400; }
p { margin: 0 0 1em; }
.center { text-align: center; }

.eyebrow {
  font-family: var(--serif);
  text-transform: uppercase;
  letter-spacing: .32em;
  font-size: .82rem;
  color: var(--accent);
  margin-bottom: 1.1em;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px max(16px, calc((100% - var(--max)) / 2));
  background: rgba(244, 240, 231, .92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 44px; height: 54px;
  border: 1px solid var(--ink); border-radius: 50%;
  outline: 1px solid var(--ink); outline-offset: 3px;
  font-family: var(--script); font-size: 1.35rem; line-height: 1;
}
.brand-name { font-family: var(--serif); font-size: 1.2rem; }
.site-header nav { display: flex; align-items: center; gap: 26px; font-size: .92rem; }
.site-header nav a { text-decoration: none; letter-spacing: .04em; }
.site-header nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.nav-cta { border: 1px solid var(--ink); padding: 7px 16px; border-radius: 999px; }
.nav-cta:hover { background: var(--ink); color: var(--paper); text-decoration: none !important; }

/* Buttons */
.btn {
  display: inline-block; text-decoration: none; text-align: center;
  font-family: var(--sans); font-weight: 400; letter-spacing: .1em; text-transform: uppercase; font-size: .82rem;
  padding: 15px 30px; border-radius: 999px; border: 1px solid var(--ink);
  transition: background .2s, color .2s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: #000; }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-wide { display: block; width: 100%; }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Hero */
.hero {
  max-width: var(--max); margin: 0 auto;
  padding: clamp(48px, 9vw, 110px) 16px clamp(40px, 7vw, 80px);
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 6vw, 80px); align-items: center;
}
.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 34px; }
.hero-facts { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 32px; font-size: .9rem; color: var(--ink-soft); }
.hero-facts strong { font-family: var(--serif); font-size: 1.3rem; font-weight: 600; color: var(--ink); margin-right: 4px; }

/* CSS book mock-up (placeholder until the real cover arrives) */
.hero-book { display: flex; justify-content: center; perspective: 1400px; }
.book { width: min(320px, 78vw); aspect-ratio: 3 / 4.2; transform: rotateY(-14deg); transform-style: preserve-3d; }
.book-cover {
  position: relative; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 3px 10px 10px 3px;
  box-shadow: inset 10px 0 18px -10px rgba(0,0,0,.25), 18px 26px 40px -16px rgba(47,44,40,.45);
  text-align: center; padding: 28px;
}
.book-cover::before {
  content: ""; position: absolute; inset: 16px;
  border: 1px solid var(--ink); border-radius: 50% / 40%;
  outline: 1px solid var(--ink); outline-offset: 5px;
}
.book-kicker { font-family: var(--serif); text-transform: uppercase; letter-spacing: .3em; font-size: .72rem; }
.book-mono { font-family: var(--script); font-size: 4.4rem; line-height: 1.1; }
.book-title { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; }
.book-sub { font-family: var(--serif); font-style: italic; color: var(--ink-soft); }
.book-author { font-family: var(--serif); font-style: italic; font-size: 1.05rem; margin-top: 14px; }
.book-ribbon { position: absolute; top: 0; right: 34px; width: 14px; height: 70px; background: var(--ink); clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%); }

/* Divider */
.divider { display: flex; align-items: center; gap: 18px; max-width: 420px; margin: 0 auto; color: var(--accent); }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* Sections */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(56px, 8vw, 100px) 16px; }
.section-lead { color: var(--ink-soft); max-width: 36em; margin: 0 auto 3em; }
.section-soft { max-width: none; background: var(--paper-deep); }
.section-soft > * { max-width: var(--max); margin: 0 auto; }

.chapters {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.chapters li { display: flex; gap: 18px; padding: 30px 28px; background: var(--paper); }
.chapters .num { font-family: var(--serif); font-style: italic; font-size: 1.8rem; color: var(--accent); min-width: 2.2em; line-height: 1.1; }
.chapters p { color: var(--ink-soft); margin: 0; font-size: .97rem; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(28px, 6vw, 80px); align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { position: relative; padding: 14px 0 14px 34px; border-bottom: 1px solid var(--line); }
.checklist li::before { content: "✓"; position: absolute; left: 4px; top: 13px; font-family: var(--serif); font-size: 1.15rem; color: var(--accent); }

.author { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 6vw, 80px); align-items: center; }
.author img { border: 1px solid var(--line); box-shadow: 0 20px 40px -24px rgba(47,44,40,.4); }
.author p { color: var(--ink-soft); }
.signature { font-family: var(--script); font-size: 2.6rem; color: var(--ink) !important; margin-top: .4em; }

/* Buy */
.buy { display: flex; justify-content: center; }
.buy-card {
  position: relative; width: 100%; max-width: 520px;
  background: var(--card); border: 1px solid var(--line);
  padding: clamp(36px, 6vw, 56px) clamp(22px, 5vw, 48px) clamp(30px, 5vw, 44px);
  box-shadow: 0 30px 60px -36px rgba(47,44,40,.5);
}
.buy-card::before { content: ""; position: absolute; inset: 10px; border: 1px solid var(--line); pointer-events: none; }
.buy-bow { display: block; text-align: center; font-size: 1.8rem; color: var(--accent); margin-bottom: 6px; }
.price { text-align: center; font-family: var(--serif); font-size: 1.4rem; margin: .2em 0 .8em; }
.price-value { font-size: 3.4rem; font-weight: 600; }
.buy-list { list-style: none; padding: 0; margin: 0 0 28px; text-align: center; color: var(--ink-soft); }
.buy-list li { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.buy-note { font-size: .84rem; color: var(--ink-soft); text-align: center; margin: 18px 0 0; }

/* FAQ */
.faq { max-width: 760px; margin: 2.4em auto 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; position: relative;
  padding: 20px 40px 20px 0; font-family: var(--serif); font-size: 1.3rem; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 16px; font-size: 1.6rem; font-weight: 300; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--ink-soft); padding-right: 40px; }

/* Footer */
.site-footer {
  text-align: center; padding: 56px 16px 64px;
  border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .9rem;
}
.site-footer .brand-mark { margin-bottom: 18px; color: var(--ink); }
.site-footer p { margin: 0 0 .3em; }
.footer-small { font-size: .8rem; }

/* Responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-text { order: 2; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-facts { justify-content: center; }
  .book { transform: none; width: min(260px, 70vw); }
  .split, .author { grid-template-columns: 1fr; }
  .author img { max-width: 320px; margin: 0 auto; }
  .site-header nav a:not(.nav-cta) { display: none; }
}
@media (max-width: 380px) {
  .chapters { grid-template-columns: 1fr; }
  .chapters li { padding: 24px 18px; }
  .brand-name { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}