/* =========================================================
   Jesse Aldren — The Rot Beneath
   Shared Stylesheet
   Design inspired by the book cover:
     · Surface world: deep navy-black, cool slate, misty forest
     · Underground world: warm amber-gold bioluminescent glow
     · Typography: Cinzel (title) + Cormorant Garamond (italic/body)
   ========================================================= */

/* ── Google Fonts ──────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500;1,600&family=Lato:wght@300;400;700&display=swap');

/* ── CSS Custom Properties ─────────────────────────────── */
:root {
  /* Backgrounds — cool navy-black like the forest night sky */
  --color-bg:          #080c14;
  --color-bg-alt:      #0c1220;
  --color-bg-card:     #101828;
  --color-bg-hover:    #14203a;
  --color-surface:     #060910;

  /* Amber/Gold — the underground bioluminescent glow (primary accent) */
  --color-crimson:     #b06808;   /* core amber */
  --color-crimson-lt:  #d08c18;   /* lighter amber — highlights */
  --color-crimson-dk:  #784205;   /* dark amber */
  --color-crimson-glow:#c8a030;   /* golden glow */

  /* Text */
  --color-text:        #c4b89a;   /* warm cream body text */
  --color-text-muted:  #606278;   /* muted blue-gray mist */
  --color-text-faint:  #2a2c40;   /* very faint */
  --color-heading:     #e8d490;   /* warm cream-gold — matching cover title typography */
  --color-white:       #f0e6c8;   /* warm off-white */

  /* Borders */
  --color-border:      #161d30;
  --color-border-lt:   #222d48;

  /* Fonts */
  --font-heading:      'Cinzel', 'Trajan Pro', Georgia, serif;
  --font-subhead:      'Cormorant Garamond', Georgia, serif;
  --font-body:         'Lato', 'Helvetica Neue', Arial, sans-serif;

  --max-width:         1100px;
  --nav-height:        70px;
  --transition:        0.25s ease;
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-crimson-lt);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-white);
}

ul {
  list-style: none;
}

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.2;
  letter-spacing: 0.05em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 600; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p {
  margin-bottom: 1.2em;
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

/* ── Layout Utilities ──────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 80px 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-crimson-lt);
  margin-bottom: 0.6rem;
  display: block;
}

.section-title {
  margin-bottom: 0.5rem;
}

/* Amber gradient divider — like a sliver of underground light */
.section-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-crimson-lt), var(--color-crimson-glow), transparent);
  margin: 1.2rem 0 2.5rem;
}

.section-divider--center {
  margin-left: auto;
  margin-right: auto;
  background: linear-gradient(90deg, transparent, var(--color-crimson-glow), var(--color-crimson-lt), var(--color-crimson-glow), transparent);
  width: 120px;
}

.text-center { text-align: center; }
.text-muted  { color: var(--color-text-muted); }

/* ── Navigation ────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: rgba(6, 9, 16, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-heading);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.nav-logo span {
  color: var(--color-crimson-lt);
}

.nav-logo:hover {
  color: var(--color-white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.45rem 0.8rem;
  border-radius: 2px;
  transition: color var(--transition), background-color var(--transition);
}

.nav-links a:hover {
  color: var(--color-heading);
  background-color: var(--color-bg-hover);
}

.nav-links a.active {
  color: var(--color-crimson-lt);
}

/* "Order Now" pill — amber glow */
.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--color-crimson-dk), var(--color-crimson));
  color: var(--color-white);
  padding: 0.45rem 1.1rem;
  border-radius: 2px;
  margin-left: 0.6rem;
  border: 1px solid var(--color-crimson);
}

.nav-links .nav-cta:hover {
  background: linear-gradient(135deg, var(--color-crimson), var(--color-crimson-lt));
  color: var(--color-white);
  box-shadow: 0 0 16px rgba(208,140,24,0.3);
}

.nav-links .nav-cta.active {
  background: linear-gradient(135deg, var(--color-crimson), var(--color-crimson-lt));
  color: var(--color-white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-muted);
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Page offset for fixed nav */
main {
  flex: 1;
  padding-top: var(--nav-height);
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  border: none;
}

/* Primary — amber glow, like the underground light */
.btn-primary {
  background: linear-gradient(135deg, var(--color-crimson-dk) 0%, var(--color-crimson) 100%);
  color: var(--color-white);
  border: 1px solid var(--color-crimson);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-crimson) 0%, var(--color-crimson-lt) 100%);
  color: var(--color-white);
  box-shadow: 0 0 24px rgba(208,140,24,0.35), 0 0 60px rgba(180,100,8,0.15);
}

/* Outline — slate, forest surface feel */
.btn-outline {
  background-color: transparent;
  color: var(--color-heading);
  border: 1px solid var(--color-border-lt);
}

.btn-outline:hover {
  background-color: var(--color-bg-card);
  color: var(--color-white);
  border-color: var(--color-text-muted);
}

.btn-lg {
  font-size: 0.82rem;
  padding: 1.1rem 2.8rem;
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  /* Base gradient: dark forest sky (top) → subtle underground amber (bottom)
     This directly mirrors the cover's two-world duality */
  background:
    linear-gradient(180deg,
      #050810 0%,
      #080c18 30%,
      #0c1220 60%,
      #0f1018 100%
    );
}

/* Amber underground glow rising from below — the portal/tunnel */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 105%, rgba(185,105,8,0.28) 0%, rgba(130,70,5,0.12) 30%, transparent 60%),
    radial-gradient(ellipse at 15% 70%, rgba(20,30,60,0.4) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 30%, rgba(15,20,50,0.3) 0%, transparent 40%);
  pointer-events: none;
}

/* Subtle misty forest atmospheric overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(10,14,28,0.5) 0%,
      transparent 40%,
      transparent 70%,
      rgba(8,10,16,0.6) 100%
    );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 4rem;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-crimson-lt);
  margin-bottom: 1.2rem;
}

/* Cinzel gives us the same stately roman serif as the cover title */
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6.5vw, 5.2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-heading);
  margin-bottom: 0.5rem;
  text-shadow:
    0 2px 40px rgba(0,0,0,0.9),
    0 0 80px rgba(185,105,8,0.12);
  line-height: 1.05;
  text-transform: uppercase;
}

.hero-book-one {
  font-family: var(--font-subhead);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-style: italic;
  font-weight: 400;
  color: var(--color-crimson-glow);
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.hero-author {
  font-family: var(--font-subhead);
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  margin-bottom: 1.8rem;
}

/* Quote — amber left-border like a sliver of underground light */
.hero-tagline {
  font-family: var(--font-subhead);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-style: italic;
  color: var(--color-text);
  border-left: 2px solid var(--color-crimson-lt);
  padding-left: 1.2rem;
  margin-bottom: 2.8rem;
  line-height: 1.6;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Book Cover ────────────────────────────────────────── */
/* Designed to evoke the cover's two-world structure:
   dark forest sky above, amber underground glow below,
   with a circular portal motif at the center */
.book-cover-placeholder {
  position: relative;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  overflow: hidden;
  /* Two-world gradient: dark navy top → warm amber bottom */
  background:
    linear-gradient(180deg,
      #07091a 0%,
      #0e1428 30%,
      #141008 60%,
      #1c1005 80%,
      #120c04 100%
    );
  box-shadow:
    -5px 8px 0 #040508,
    -10px 2px 20px rgba(0,0,0,0.7),
    0 20px 60px rgba(0,0,0,0.8),
    inset 0 -40px 60px rgba(185,105,8,0.08);
  min-height: 320px;
  border: 1px solid rgba(100,65,10,0.3);
}

/* Book spine effect */
.book-cover-placeholder::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  background: linear-gradient(180deg,
    rgba(10,14,28,0.9),
    rgba(40,25,5,0.8),
    rgba(10,14,28,0.9)
  );
  border-radius: 0 0 0 4px;
}

/* Circular amber portal — the underground chamber opening */
.book-cover-placeholder::after {
  content: '';
  position: absolute;
  bottom: 22%;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 70px;
  border-radius: 50%;
  background: radial-gradient(ellipse,
    rgba(210,150,20,0.5) 0%,
    rgba(180,100,8,0.25) 40%,
    transparent 70%
  );
  box-shadow:
    0 0 30px rgba(210,150,20,0.35),
    0 0 70px rgba(185,105,8,0.2);
  pointer-events: none;
}

/* Tree silhouette layer — dark forest texture at the top */
.book-cover-portal {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 45%;
  background:
    linear-gradient(180deg,
      rgba(5,8,20,0.8) 0%,
      transparent 100%
    );
  pointer-events: none;
}

.book-cover-placeholder .cover-ornament {
  font-size: 1.8rem;
  color: var(--color-crimson-dk);
  margin-bottom: 1rem;
  opacity: 0.7;
  position: relative;
  z-index: 1;
}

.book-cover-placeholder .cover-book-one {
  font-family: var(--font-subhead);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-crimson-glow);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.book-cover-placeholder .cover-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-heading);
  line-height: 1.15;
  margin-bottom: 1rem;
  text-shadow: 0 0 30px rgba(210,160,30,0.2);
  position: relative;
  z-index: 1;
}

.book-cover-placeholder .cover-divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-crimson-lt), transparent);
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
}

.book-cover-placeholder .cover-author {
  font-family: var(--font-subhead);
  font-style: italic;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

/* Cover image — used when the actual cover image is placed */
.book-cover-img {
  border-radius: 4px;
  box-shadow:
    -5px 8px 0 #040508,
    -10px 2px 20px rgba(0,0,0,0.7),
    0 20px 60px rgba(0,0,0,0.8);
  display: block;
  width: 100%;
  max-width: 320px;
}

/* Sizes */
.book-cover-placeholder--sm {
  min-height: 200px;
  padding: 1.5rem 1rem 2rem;
}

.book-cover-placeholder--sm .cover-title { font-size: 1.1rem; }
.book-cover-placeholder--sm .cover-ornament { font-size: 1.3rem; }
.book-cover-placeholder--sm::after {
  width: 60px;
  height: 45px;
  bottom: 18%;
}

/* ── Page Hero (inner pages) ───────────────────────────── */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 3.5rem;
  border-bottom: 1px solid var(--color-border);
  /* Forest-at-dusk atmosphere */
  background:
    linear-gradient(180deg, #050810 0%, #080c18 60%, #0c1020 100%);
}

/* Amber light rising from the underground — subtle on inner pages */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 100%, rgba(185,105,8,0.14) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 0%, rgba(20,30,55,0.4) 0%, transparent 40%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-crimson-lt);
  margin-bottom: 0.75rem;
}

.page-hero-title {
  margin-bottom: 0.75rem;
}

.page-hero-subtitle {
  font-family: var(--font-subhead);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* ── News / Update Cards ───────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.news-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  /* Amber top accent — like a sliver of underground light escaping */
  border-top: 2px solid var(--color-crimson-dk);
  padding: 1.8rem;
  border-radius: 2px;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

/* Subtle amber radial glow in card corner */
.news-card::before {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(185,105,8,0.07) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity var(--transition);
}

.news-card:hover {
  border-top-color: var(--color-crimson-lt);
  box-shadow: 0 4px 40px rgba(0,0,0,0.5), 0 0 30px rgba(185,105,8,0.06);
}

.news-card:hover::before {
  opacity: 2;
}

.news-card-date {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-crimson-lt);
  margin-bottom: 0.6rem;
}

.news-card-title {
  font-size: 1.05rem;
  margin-bottom: 0.7rem;
  letter-spacing: 0.04em;
}

.news-card-excerpt {
  font-family: var(--font-subhead);
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ── Details / Key Info ────────────────────────────────── */
dl.details-list {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
}

.details-list dt,
.details-list dd {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.details-list dt {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.details-list dd {
  font-family: var(--font-subhead);
  font-size: 1rem;
  color: var(--color-text);
}

/* ── Two-Column Layout ─────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.two-col--cover {
  grid-template-columns: 300px 1fr;
  gap: 3.5rem;
}

/* ── Author Photo Placeholder ──────────────────────────── */
.author-photo-placeholder {
  background: linear-gradient(160deg, #0d1220 0%, #080c18 100%);
  border: 1px solid var(--color-border-lt);
  border-radius: 3px;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 3/4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--color-text-faint);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
}

.author-photo-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.2;
}

/* ── Contact Form ──────────────────────────────────────── */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-lt);
  border-radius: 2px;
  color: var(--color-text);
  font-family: var(--font-subhead);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-crimson);
  box-shadow: 0 0 0 3px rgba(185,105,8,0.15);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-note {
  font-family: var(--font-subhead);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ── Social Links ──────────────────────────────────────── */
.social-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0.55rem 1rem;
  border: 1px solid var(--color-border-lt);
  border-radius: 2px;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.social-link:hover {
  color: var(--color-heading);
  border-color: var(--color-crimson-dk);
  background-color: var(--color-bg-card);
}

/* ── Order / CTA Section ───────────────────────────────── */
.order-hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(180deg, #060810 0%, #0a0e1c 40%, #0e1020 100%);
}

/* Strong amber portal glow for the order CTA */
.order-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 70%, rgba(185,105,8,0.22) 0%, rgba(130,70,5,0.1) 35%, transparent 65%),
    radial-gradient(ellipse at 50% 110%, rgba(210,150,20,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.order-hero .container {
  position: relative;
  z-index: 1;
}

/* Amazon Kindle button — warm amber glow */
.kindle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: linear-gradient(135deg, var(--color-crimson-dk) 0%, var(--color-crimson) 50%, var(--color-crimson-lt) 100%);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 1.1rem 2.8rem;
  border-radius: 2px;
  border: 1px solid var(--color-crimson-lt);
  transition: box-shadow var(--transition), filter var(--transition);
}

.kindle-btn:hover {
  color: var(--color-white);
  box-shadow:
    0 0 30px rgba(210,150,20,0.4),
    0 0 80px rgba(185,105,8,0.2);
  filter: brightness(1.1);
}

.kindle-steps {
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  margin-top: 1.5rem;
}

.kindle-steps li {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  counter-increment: steps;
}

/* Amber numbered circles */
.kindle-steps li::before {
  content: counter(steps);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border: 1px solid var(--color-crimson-dk);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-crimson-lt);
  background: rgba(185,105,8,0.06);
}

.kindle-steps li p {
  margin-bottom: 0;
  padding-top: 0.25rem;
  font-family: var(--font-subhead);
  font-size: 1rem;
}

/* ── Footer ────────────────────────────────────────────── */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
  position: relative;
}

/* Subtle amber horizon at the footer top — like underground light below the surface */
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(185,105,8,0.3), rgba(210,150,20,0.4), rgba(185,105,8,0.3), transparent);
  pointer-events: none;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-heading);
}

.footer-logo span {
  color: var(--color-crimson-lt);
}

.footer-copy {
  font-size: 0.76rem;
  color: var(--color-text-faint);
  margin-bottom: 0;
  letter-spacing: 0.06em;
}

.footer-nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.footer-nav a:hover {
  color: var(--color-crimson-lt);
}

/* ── Info Box ──────────────────────────────────────────── */
.info-box {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-crimson);
  padding: 1.4rem 1.6rem;
  border-radius: 2px;
  font-size: 0.9rem;
}

.info-box p {
  margin-bottom: 0;
  font-family: var(--font-subhead);
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* ── Ornamental Divider ────────────────────────────────── */
.ornament {
  text-align: center;
  color: var(--color-crimson-dk);
  font-size: 1rem;
  letter-spacing: 0.6em;
  margin: 2rem 0;
  user-select: none;
  opacity: 0.6;
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-tagline {
    border-left: none;
    border-top: 2px solid var(--color-crimson-lt);
    padding-left: 0;
    padding-top: 1rem;
    margin-left: auto;
    margin-right: auto;
    max-width: 500px;
  }

  .hero-actions {
    justify-content: center;
  }

  .book-cover-placeholder {
    max-width: 280px;
    margin: 0 auto;
    min-height: 260px;
  }

  .two-col,
  .two-col--cover {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .two-col--cover .book-cover-placeholder {
    max-width: 240px;
  }

  dl.details-list {
    grid-template-columns: 120px 1fr;
  }
}

@media (max-width: 700px) {
  .section { padding: 55px 0; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: rgba(6,9,16,0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem 1.5rem;
    gap: 0.25rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.65rem 0.5rem;
    font-size: 0.82rem;
  }

  .nav-links .nav-cta {
    margin-left: 0;
    text-align: center;
    margin-top: 0.5rem;
  }

  .nav-toggle {
    display: flex;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .hero-inner {
    padding: 3rem 1.5rem;
  }

  .order-hero {
    min-height: auto;
    padding: 4rem 0;
  }

  .kindle-btn {
    padding: 1rem 1.8rem;
    font-size: 0.75rem;
  }
}