/* Building in Chaos — landing page styles */

:root {
  --ink: #0a0d1a;
  --ink-2: #11162a;
  --blue: #15225e;
  --blue-deep: #0e1a52;
  --blue-bright: #2a3da8;
  --bone: #ece6d8;
  --bone-2: #d8d2c4;
  --paper: #f3eee0;
  --rule: rgba(236, 230, 216, 0.18);
  --rule-strong: rgba(236, 230, 216, 0.4);
  --accent: #c9a96a;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serif: "Spectral", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  overflow-x: hidden;
}

/* Halftone / grain layer used across page */
.grain::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    radial-gradient(rgba(0,0,0,0.18) 1px, transparent 1px);
  background-size: 3px 3px, 5px 5px;
  background-position: 0 0, 1px 1px;
  mix-blend-mode: overlay;
  opacity: 0.6;
}

/* Halftone dot pattern (heavier) */
.halftone::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(0,0,0,0.55) 1.1px, transparent 1.4px);
  background-size: 4px 4px;
  mix-blend-mode: multiply;
  opacity: 0.45;
}

/* Common */
.mono { font-family: var(--mono); letter-spacing: 0.02em; }
.sans { font-family: var(--sans); }
.serif { font-family: var(--serif); }
.uppercase { text-transform: uppercase; }
.dim { color: rgba(236, 230, 216, 0.55); }
.dimmer { color: rgba(236, 230, 216, 0.35); }

/* =========== NAV =========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px 40px;
  background: linear-gradient(to bottom, rgba(10,13,26,0.85), rgba(10,13,26,0));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.nav-mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone);
  display: flex;
  gap: 14px;
  align-items: center;
}
.nav-mark .dot { width: 6px; height: 6px; background: var(--bone); border-radius: 0; }
.nav-mid {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.55);
}
.nav-right {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav-right a {
  color: rgba(236,230,216,0.65);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-right a:hover { color: var(--bone); }
.nav-cta {
  border: 1px solid var(--bone);
  padding: 8px 16px;
  color: var(--bone) !important;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--bone); color: var(--ink) !important; }

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(236,230,216,0.4);
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  position: relative;
  z-index: 60;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--bone);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* =========== LINE-NUMBER RAIL =========== */
.with-rail {
  position: relative;
  padding-left: 88px;
}
.rail {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 88px;
  border-right: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(236,230,216,0.32);
  padding: 100px 16px 40px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  text-transform: uppercase;
}
.rail span { white-space: nowrap; }

/* =========== HERO =========== */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--blue-deep);
  overflow: hidden;
  padding: 110px 40px 60px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: stretch;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1.4px),
    radial-gradient(rgba(0,0,0,0.45) 1.2px, transparent 1.4px);
  background-size: 3px 3px, 5px 5px;
  pointer-events: none;
  opacity: 0.7;
}

.hero-left {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-left: 48px;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.55);
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hero-meta .pill {
  border: 1px solid rgba(236,230,216,0.3);
  padding: 5px 11px;
  color: var(--bone);
}

.hero-title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(64px, 10vw, 168px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--bone);
  margin: 36px 0 28px;
  position: relative;
}
.hero-title .line { display: block; }
.hero-subtitle {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone-2);
  border-top: 1px solid var(--rule-strong);
  padding-top: 16px;
  max-width: 360px;
  line-height: 1.7;
}

.hero-bottom {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-top: 40px;
}
.hero-author {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone);
  line-height: 1.8;
}
.hero-author .by { color: rgba(236,230,216,0.45); display: block; margin-bottom: 6px; }

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 280px;
}
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bone);
  color: var(--ink);
  padding: 18px 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
  text-decoration: none;
}
.btn-primary:hover { background: var(--accent); transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn-primary .arrow { font-family: var(--mono); margin-left: 18px; }

.btn-ghost {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  color: var(--bone);
  padding: 12px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid rgba(236,230,216,0.3);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-ghost:hover { border-color: var(--bone); }

/* Hero right — cover */
.hero-right {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.cover-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
}
.cover-img {
  position: relative;
  flex: 1;
  background-size: cover;
  background-position: center;
  filter: contrast(1.05) saturate(0.92);
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,0.6),
    0 1px 0 rgba(255,255,255,0.04) inset;
}
.cover-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,0,0,0.18) 0.8px, transparent 1.2px);
  background-size: 3px 3px;
  mix-blend-mode: multiply;
  pointer-events: none;
}
.cover-caption {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.45);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
}

/* Marquee strip */
.marquee {
  background: var(--ink-2);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
  white-space: nowrap;
  padding: 18px 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.7);
}
.marquee-track {
  display: inline-block;
  animation: marquee 40s linear infinite;
}
.marquee span { padding: 0 36px; }
.marquee .sep { color: rgba(236,230,216,0.3); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =========== SECTIONS =========== */
section { position: relative; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 52px;
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.45);
}
.section-title {
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 56px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
}
.section-aside {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.4);
  max-width: 200px;
  text-align: right;
  line-height: 1.7;
}

/* Excerpt section */
.excerpt {
  background: var(--ink);
  padding: 110px 40px 110px;
  position: relative;
}
.excerpt-wrap { max-width: 1280px; margin: 0 auto; }
.excerpt-body {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
  align-items: start;
}
.excerpt-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.5);
  line-height: 1.9;
  position: sticky;
  top: 100px;
}
.excerpt-meta .label { color: rgba(236,230,216,0.3); display: block; margin-top: 22px; margin-bottom: 4px; font-size: 10px; }
.excerpt-meta .val { color: var(--bone); }

.excerpt-text {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.65;
  color: var(--bone);
  max-width: 640px;
  text-wrap: pretty;
}
.excerpt-text p { margin-bottom: 1.2em; }
.excerpt-text p:first-child::first-letter {
  font-family: var(--mono);
  font-size: 4em;
  float: left;
  line-height: 0.85;
  margin: 0.06em 0.12em 0 -0.04em;
  color: var(--accent);
  font-weight: 500;
}
.excerpt-text em { font-style: italic; color: var(--bone-2); }
.excerpt-page-no {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.35);
  text-align: center;
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

/* Audio player */
.audio-player {
  margin: 30px 0 50px;
  border: 1px solid var(--rule-strong);
  background: rgba(255,255,255,0.02);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.audio-play {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bone);
  color: var(--ink);
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: background 0.2s;
}
.audio-play:hover { background: var(--accent); }
.audio-info { flex: 1; min-width: 0; }
.audio-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone);
  margin-bottom: 8px;
}
.audio-bar {
  height: 2px;
  background: var(--rule);
  position: relative;
  margin-bottom: 6px;
  cursor: pointer;
}
.audio-progress {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--bone);
  width: 0%;
  transition: width 0.2s linear;
}
.audio-time {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(236,230,216,0.45);
  display: flex;
  justify-content: space-between;
}

/* =========== AUTHOR =========== */
.author {
  background: var(--blue-deep);
  padding: 130px 40px;
  position: relative;
  overflow: hidden;
}
.author::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,0,0,0.4) 1px, transparent 1.3px);
  background-size: 4px 4px;
  pointer-events: none;
  opacity: 0.5;
}
.author-wrap { max-width: 1280px; margin: 0 auto; position: relative; z-index: 2; }
.author-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: start;
}
.author-portrait {
  aspect-ratio: 3/4;
  background: var(--blue);
  background-image: url('assets/portrait.webp');
  background-size: cover;
  background-position: center 20%;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
}
.author-portrait::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(236,230,216,0.04) 0 1px, transparent 1px 8px);
  pointer-events: none;
}
.author-portrait::after {
  content: "";
  display: none;
}
.author-text h2 {
  font-family: var(--mono);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
  margin-bottom: 28px;
}
.author-text h2 .accent { color: var(--accent); }
.author-text p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.65;
  color: var(--bone-2);
  margin-bottom: 1em;
  text-wrap: pretty;
}
.author-creds {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  border-top: 1px solid var(--rule);
  padding-top: 24px;
}
.author-cred .num {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
  color: var(--bone);
  letter-spacing: -0.01em;
  display: block;
}
.author-cred .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.5);
  margin-top: 4px;
  display: block;
}

/* =========== INSIDE / CHAPTERS =========== */
.inside {
  background: var(--ink-2);
  padding: 130px 40px;
}
.inside-wrap { max-width: 1280px; margin: 0 auto; }
.chapter-list {
  border-top: 1px solid var(--rule);
}
.chapter-row {
  display: grid;
  grid-template-columns: 80px 1fr 1.2fr 100px;
  gap: 30px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background 0.2s, padding 0.2s;
  position: relative;
}
.chapter-row:hover { background: rgba(236,230,216,0.03); padding-left: 12px; padding-right: 12px; }
.chapter-row .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(236,230,216,0.4);
}
.chapter-row .title {
  font-family: var(--mono);
  font-size: 20px;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
  line-height: 1.15;
}
.chapter-row .desc {
  font-family: var(--serif);
  font-size: 16px;
  color: rgba(236,230,216,0.65);
  font-style: italic;
}
.chapter-row .pages {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(236,230,216,0.4);
  text-align: right;
  text-transform: uppercase;
}

/* =========== FORMATS =========== */
.formats {
  background: var(--ink);
  padding: 130px 40px;
}
.formats-wrap { max-width: 1280px; margin: 0 auto; }
.format-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--rule-strong);
}
.format-card {
  padding: 40px 32px 32px;
  border-right: 1px solid var(--rule-strong);
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(255,255,255,0.01);
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
  text-decoration: none;
  color: inherit;
}
.format-card:last-child { border-right: none; }
.format-card:hover { background: rgba(236,230,216,0.04); }
.format-card.featured { background: var(--blue-deep); }
.format-card.featured::before {
  content: "RECOMMENDED";
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--accent);
}
.format-icon {
  width: 56px; height: 80px;
  border: 1px solid var(--rule-strong);
  position: relative;
  margin-bottom: 12px;
}
.format-icon.audio {
  border-radius: 50%;
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
}
.format-icon.audio::before {
  content: "";
  width: 0; height: 0;
  border-left: 12px solid var(--bone);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 4px;
}
.format-icon.ebook {
  background: linear-gradient(135deg, transparent 50%, rgba(236,230,216,0.18) 50%);
}
.format-icon.hard {
  background: var(--blue);
  border-left: 5px solid var(--bone);
}
.format-name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
}
.format-desc {
  font-family: var(--serif);
  font-size: 15px;
  font-style: italic;
  color: rgba(236,230,216,0.6);
  line-height: 1.5;
  flex: 1;
}
.format-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.45);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.format-price {
  font-family: var(--mono);
  font-size: 28px;
  color: var(--bone);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-top: 8px;
}
.format-price .currency { font-size: 14px; opacity: 0.6; margin-right: 4px; }
.format-cta {
  margin-top: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =========== ENDORSEMENTS =========== */
.endorse {
  background: var(--ink-2);
  padding: 130px 40px;
}
.endorse-wrap { max-width: 1280px; margin: 0 auto; }
.endorse-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.blurb {
  background: var(--ink-2);
  padding: 44px 38px;
}
.blurb-quote {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.45;
  color: var(--bone);
  font-style: italic;
  margin-bottom: 28px;
  text-wrap: pretty;
}
.blurb-quote::before {
  content: "“";
  font-family: var(--serif);
  font-size: 56px;
  line-height: 0;
  color: var(--accent);
  display: block;
  margin-bottom: 18px;
  font-style: normal;
}
.blurb-attr {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone);
  border-top: 1px solid var(--rule);
  padding-top: 16px;
}
.blurb-attr .role {
  display: block;
  color: rgba(236,230,216,0.45);
  margin-top: 5px;
  font-size: 10px;
}

/* =========== PREORDER CTA =========== */
.preorder-cta {
  background: var(--blue-deep);
  padding: 140px 40px;
  position: relative;
  overflow: hidden;
}
.preorder-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1.4px),
    radial-gradient(rgba(0,0,0,0.4) 1.2px, transparent 1.4px);
  background-size: 3px 3px, 5px 5px;
  pointer-events: none;
  opacity: 0.7;
}
.preorder-cta-wrap {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}
.preorder-cta h2 {
  font-family: var(--mono);
  font-size: clamp(48px, 7vw, 112px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
  margin-bottom: 36px;
}
.preorder-cta .tagline {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.5);
  margin-bottom: 24px;
}
.preorder-cta .body {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.55;
  color: var(--bone-2);
  max-width: 620px;
  margin: 0 auto 48px;
  font-style: italic;
}
.preorder-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =========== FAQ =========== */
.faq {
  background: var(--ink);
  padding: 130px 40px;
}
.faq-wrap { max-width: 980px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 26px 0;
  cursor: pointer;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}
.faq-q .text {
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
}
.faq-q .toggle {
  font-family: var(--mono);
  font-size: 18px;
  color: rgba(236,230,216,0.55);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item.open .toggle { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.6;
  color: rgba(236,230,216,0.7);
  transition: max-height 0.3s, padding 0.3s;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-top: 18px;
}

/* =========== FOOTER =========== */
footer {
  background: var(--ink-2);
  padding: 70px 40px 40px;
  border-top: 1px solid var(--rule);
}
.footer-wrap {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.footer-brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
}
.footer-brand p {
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
  color: rgba(236,230,216,0.55);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  margin-top: 18px;
  line-height: 1.6;
}
.footer-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.45);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bone);
  text-decoration: none;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1280px;
  margin: 60px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.4);
}

/* =========== PREORDER MODAL =========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5,7,15,0.85);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--ink);
  border: 1px solid var(--rule-strong);
  width: min(820px, 100%);
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal-head {
  padding: 30px 40px 24px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.modal-head h3 {
  font-family: var(--mono);
  font-size: 22px;
  text-transform: uppercase;
  color: var(--bone);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.modal-head p {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.5);
  margin-top: 8px;
}
.modal-close {
  background: transparent;
  border: 1px solid var(--rule-strong);
  width: 36px; height: 36px;
  color: var(--bone);
  cursor: pointer;
  font-size: 18px;
  flex-shrink: 0;
  transition: all 0.2s;
}
.modal-close:hover { border-color: var(--bone); }
.modal-body { padding: 32px 40px; }

.steps {
  display: flex;
  gap: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.4);
  margin-bottom: 32px;
}
.steps .step {
  flex: 1;
  padding: 12px 0;
  border-top: 2px solid var(--rule);
  position: relative;
}
.steps .step.active {
  color: var(--bone);
  border-top-color: var(--accent);
}
.steps .step.done { color: rgba(236,230,216,0.6); border-top-color: rgba(236,230,216,0.4); }

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
}
.field label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.55);
}
.field input, .field select {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--bone);
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus, .field select:focus { border-color: var(--bone); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.format-pick {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.format-opt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border: 1px solid var(--rule-strong);
  cursor: pointer;
  transition: all 0.2s;
}
.format-opt:hover { border-color: rgba(236,230,216,0.5); }
.format-opt.selected { border-color: var(--accent); background: rgba(201,169,106,0.06); }
.format-opt-name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone);
}
.format-opt-meta {
  font-family: var(--serif);
  font-size: 13px;
  font-style: italic;
  color: rgba(236,230,216,0.55);
  margin-top: 4px;
}
.format-opt-price {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--bone);
}

.summary {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--rule);
  padding: 22px 24px;
  margin: 24px 0 28px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.7);
}
.summary-row.total {
  border-top: 1px solid var(--rule);
  margin-top: 10px;
  padding-top: 16px;
  color: var(--bone);
  font-size: 15px;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-top: 12px;
}
.modal-back {
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--bone);
  padding: 14px 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.modal-back:hover { border-color: var(--bone); }
.modal-next {
  background: var(--bone);
  border: none;
  color: var(--ink);
  padding: 14px 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.modal-next:hover { background: var(--accent); }
.modal-next:disabled { opacity: 0.4; cursor: not-allowed; }

.success {
  text-align: center;
  padding: 30px 0 10px;
}
.success .check {
  font-family: var(--mono);
  width: 64px; height: 64px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 24px;
}
.success h4 {
  font-family: var(--mono);
  font-size: 22px;
  text-transform: uppercase;
  color: var(--bone);
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.success p {
  font-family: var(--serif);
  font-size: 17px;
  color: rgba(236,230,216,0.7);
  font-style: italic;
  max-width: 460px;
  margin: 0 auto 28px;
  line-height: 1.55;
}
.success .order-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(236,230,216,0.5);
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-top: 24px;
}

/* =========== ANIMATIONS =========== */
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero entrance — runs on load */
.hero .cover-img,
.hero-title .line,
.hero-subtitle,
.hero-bottom {
  animation: rise 0.85s cubic-bezier(.2,.7,.2,1) both;
}
.hero .cover-img { animation-delay: 0.05s; }
.hero-title .line:nth-child(1) { animation-delay: 0.18s; }
.hero-title .line:nth-child(2) { animation-delay: 0.28s; }
.hero-subtitle { animation-delay: 0.42s; }
.hero-bottom { animation-delay: 0.5s; }

/* Scroll-triggered reveal — applied to elements with [data-reveal] */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(.2,.7,.2,1), transform 0.75s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* CTA arrow glide on hover */
.btn-primary .arrow {
  transition: transform 0.25s cubic-bezier(.2,.7,.2,1);
}
.btn-primary:hover .arrow { transform: translateX(5px); }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero .cover-img,
  .hero-title .line,
  .hero-subtitle,
  .hero-bottom,
  [data-reveal] {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =========== RESPONSIVE =========== */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding: 90px 24px 40px; gap: 44px; }
  .hero-left { padding-left: 0; }
  /* Cover takes center stage above the fold */
  .hero-right { order: -1; align-items: center; }
  .cover-frame { max-width: 360px; margin: 0 auto; align-self: center; }
  .cover-img {
    aspect-ratio: 2 / 3;
    width: 100%;
    flex: none;
    box-shadow: 0 40px 80px -24px rgba(0,0,0,0.7), 0 1px 0 rgba(255,255,255,0.04) inset;
  }
  .excerpt-body { grid-template-columns: 1fr; gap: 40px; }
  .author-grid { grid-template-columns: 1fr; gap: 40px; }
  .format-grid { grid-template-columns: 1fr; }
  .format-card { border-right: none; border-bottom: 1px solid var(--rule-strong); }
  .endorse-grid { grid-template-columns: 1fr; }
  .footer-wrap { grid-template-columns: 1fr 1fr; }
  .nav { padding: 14px 20px; }
  .nav-mid { display: none; }
  .chapter-row { grid-template-columns: 50px 1fr; }
  .chapter-row .desc, .chapter-row .pages { display: none; }
}

@media (max-width: 600px) {
  /* Nav — hamburger + full-screen overlay menu */
  .nav { display: flex; justify-content: space-between; align-items: center; }
  .nav-mid { display: none; }
  .nav-toggle { display: flex; }
  .nav-right {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--ink);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    font-size: 15px;
    letter-spacing: 0.24em;
    transform: translateY(-100%);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0s linear 0.3s;
    z-index: 49;
    padding: 80px 24px 40px;
  }
  body.nav-open { overflow: hidden; }
  body.nav-open .nav-right {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0s;
  }
  .nav-right a { color: var(--bone); }
  .nav-right .nav-cta { padding: 14px 32px; margin-top: 12px; }

  /* Section padding — tighten horizontal, ease vertical */
  .excerpt { padding: 72px 20px; }
  .author { padding: 80px 20px; }
  .inside { padding: 80px 20px; }
  .formats { padding: 80px 20px; }
  .endorse { padding: 80px 20px; }
  .preorder-cta { padding: 90px 20px; }
  .faq { padding: 80px 20px; }
  footer { padding: 56px 20px 32px; }
  .nav { padding: 12px 16px; }

  /* Hero — cover stays prominent, CTA fluid */
  .hero { padding: 72px 20px 36px; gap: 36px; }
  .cover-frame { max-width: 280px; }
  .hero-cta { min-width: 0; width: 100%; }
  .btn-primary { padding: 16px 18px; font-size: 11px; }
  .btn-ghost { padding: 11px 18px; font-size: 10px; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 28px; margin-top: 32px; }
  .hero-cta { align-self: stretch; }
  .hero-subtitle { letter-spacing: 0.24em; }
  .hero-meta { gap: 12px; }

  /* Section heads — stack and tighten */
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; padding-bottom: 24px; margin-bottom: 36px; }
  .section-aside { text-align: left; max-width: none; }

  /* Author */
  .author-creds { grid-template-columns: 1fr; gap: 14px; }
  .author-text p { font-size: 17px; }

  /* Excerpt / synopsis */
  .excerpt-text { font-size: 18px; }
  .excerpt-text p:first-child::first-letter { font-size: 3.2em; }

  /* Themes / chapters */
  .chapter-row { padding: 20px 0; gap: 16px; }
  .chapter-row .title { font-size: 17px; }
  .chapter-row:hover { padding-left: 0; padding-right: 0; }

  /* Editions / format cards */
  .format-card { padding: 28px 20px 24px; }
  .format-price { font-size: 24px; }

  /* Endorsements */
  .blurb { padding: 32px 22px; }
  .blurb-quote { font-size: 18px; margin-bottom: 22px; }
  .blurb-quote::before { font-size: 44px; margin-bottom: 12px; }

  /* Preorder CTA */
  .preorder-cta .body { font-size: 17px; margin-bottom: 36px; }
  .preorder-cta-actions .btn-primary { width: 100%; }

  /* Footer — single column on phones */
  .footer-wrap { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}