/* ===================================================
   BIG JOHN'S MOUNTAIN BOOK STORE
   Art Direction: Warm Appalachian — earthy greens,
   amber/gold, deep forest tones, classic serif type
   =================================================== */

/* ---- DESIGN TOKENS ---- */
:root,
[data-theme='light'] {
  /* Surfaces — warm parchment */
  --color-bg: #f5f2eb;
  --color-surface: #faf8f2;
  --color-surface-2: #fffffe;
  --color-surface-offset: #ede9de;
  --color-surface-dynamic: #e5e0d3;
  --color-divider: #d8d2c4;
  --color-border: #c9c3b4;

  /* Text */
  --color-text: #2a2318;
  --color-text-muted: #6b6254;
  --color-text-faint: #b0a898;
  --color-text-inverse: #faf8f2;

  /* Primary — forest green */
  --color-primary: #3d6b3a;
  --color-primary-hover: #2d5228;
  --color-primary-active: #1e3a1b;
  --color-primary-highlight: #ccd9c8;

  /* Amber accent */
  --color-amber: #b5730a;
  --color-amber-hover: #8f5a06;
  --color-amber-highlight: #f0e0c0;

  /* Amazon orange */
  --color-amazon: #ff9900;
  --color-amazon-hover: #e88900;
  --color-amazon-bg: #232f3e;
  --color-amazon-bg-hover: #37475a;

  /* Mountain art palette */
  --mountain-sky-top: #c8daf0;
  --mountain-sky-bottom: #e8d9c0;
  --mountain-sun: #f5c518;
  --mountain-far: #a8b8a0;
  --mountain-far-dark: #7a9070;
  --mountain-mid: #6b8c5e;
  --mountain-mid-dark: #4a6840;
  --mountain-near: #3d5c30;
  --mountain-near-dark: #2a4020;
  --mountain-trees: #2a3d1e;
  --mountain-stars: #ffffff;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(42, 35, 24, 0.08);
  --shadow-md: 0 4px 16px rgba(42, 35, 24, 0.10);
  --shadow-lg: 0 12px 40px rgba(42, 35, 24, 0.14);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Inter', system-ui, sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.28vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.8rem, 1rem + 6vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

[data-theme='dark'] {
  --color-bg: #151209;
  --color-surface: #1b1810;
  --color-surface-2: #201d14;
  --color-surface-offset: #1e1b12;
  --color-surface-dynamic: #28241a;
  --color-divider: #2e2a1f;
  --color-border: #3a3528;
  --color-text: #e8e2d6;
  --color-text-muted: #9a9282;
  --color-text-faint: #5a5448;
  --color-text-inverse: #1b1810;
  --color-primary: #6ea86a;
  --color-primary-hover: #58925a;
  --color-primary-active: #407848;
  --color-primary-highlight: #2c3c28;
  --color-amber: #e0a040;
  --color-amber-hover: #c8882e;
  --color-amber-highlight: #3a2e18;
  --mountain-sky-top: #1a2c40;
  --mountain-sky-bottom: #2e2010;
  --mountain-sun: #e8a010;
  --mountain-far: #3a4c38;
  --mountain-far-dark: #2a3828;
  --mountain-mid: #2e4a28;
  --mountain-mid-dark: #1e3418;
  --mountain-near: #1e3018;
  --mountain-near-dark: #101e0a;
  --mountain-trees: #0e1a08;
  --mountain-stars: #c8c0a8;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #151209;
    --color-surface: #1b1810;
    --color-surface-2: #201d14;
    --color-surface-offset: #1e1b12;
    --color-surface-dynamic: #28241a;
    --color-divider: #2e2a1f;
    --color-border: #3a3528;
    --color-text: #e8e2d6;
    --color-text-muted: #9a9282;
    --color-text-faint: #5a5448;
    --color-text-inverse: #1b1810;
    --color-primary: #6ea86a;
    --color-primary-hover: #58925a;
    --color-primary-active: #407848;
    --color-primary-highlight: #2c3c28;
    --color-amber: #e0a040;
    --color-amber-hover: #c8882e;
    --color-amber-highlight: #3a2e18;
    --mountain-sky-top: #1a2c40;
    --mountain-sky-bottom: #2e2010;
    --mountain-sun: #e8a010;
    --mountain-far: #3a4c38;
    --mountain-far-dark: #2a3828;
    --mountain-mid: #2e4a28;
    --mountain-mid-dark: #1e3418;
    --mountain-near: #1e3018;
    --mountain-near-dark: #101e0a;
    --mountain-trees: #0e1a08;
    --mountain-stars: #c8c0a8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
  }
}

/* ---- BASE RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
}
img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }
::selection { background: var(--color-primary-highlight); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6em 1.4em;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(61,107,58,0.25);
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 4px 16px rgba(61,107,58,0.35); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-inverse);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.9); }
/* Why Read It button — on parchment/light backgrounds */
.btn-why {
  background: transparent;
  color: var(--color-primary, #3d6b3a);
  border: 2px solid var(--color-primary, #3d6b3a);
  font-size: 0.82rem;
  padding: 0.4em 0.9em;
}
.btn-why:hover { background: var(--color-primary, #3d6b3a); color: #fff; }
.btn-amazon {
  background: var(--color-amazon-bg);
  color: var(--color-amazon);
  border: 1px solid rgba(255,153,0,0.3);
}
.btn-amazon:hover { background: var(--color-amazon-bg-hover); }
.btn-sm { padding: 0.45em 1.1em; font-size: var(--text-xs); }

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.2;
  flex-shrink: 0;
}
.logo em { font-style: italic; color: var(--color-primary); display: block; font-size: 0.85em; }
.logo--footer { font-size: 0.95rem; }
/* .main-nav — see full nav bar CSS at bottom of file */
.main-nav a { transition: color var(--transition); }
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--color-primary); background: var(--color-surface-offset); }
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  color: var(--color-text);
  margin-left: var(--space-2);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 var(--space-6) var(--space-4);
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
}
.mobile-nav.open { display: flex; }
.mobile-link {
  padding: var(--space-3) 0;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-link:hover { color: var(--color-primary); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-align: center;
  padding: var(--space-24) var(--space-6);
  background: linear-gradient(160deg, #1a3020 0%, #2d4a1e 35%, #5a3a10 70%, #3d2808 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
/* Layered mountain silhouette with CSS */
.mountain-silhouette {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55%;
  background:
    /* Near ridge */
    linear-gradient(to bottom, transparent 0%, #1a2e10 100%);
  clip-path: polygon(
    0% 100%, 0% 60%, 8% 45%, 16% 55%, 24% 35%, 32% 50%, 40% 30%, 48% 48%, 55% 25%, 62% 42%, 70% 28%, 78% 45%, 86% 35%, 93% 48%, 100% 40%, 100% 100%
  );
}
.hero-bg::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 45%;
  background: linear-gradient(to bottom, transparent 0%, #0e1e08 100%);
  clip-path: polygon(
    0% 100%, 0% 70%, 10% 55%, 20% 65%, 30% 45%, 40% 58%, 50% 38%, 58% 55%, 66% 42%, 76% 56%, 85% 44%, 92% 55%, 100% 50%, 100% 100%
  );
}
/* Stars */
.hero-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 50%;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 8%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 45% 20%, rgba(255,255,255,0.7) 0%, transparent 100%),
    radial-gradient(1px 1px at 65% 10%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 80% 18%, rgba(255,255,255,0.8) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 25%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 55% 5%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 35% 30%, rgba(255,220,100,0.4) 0%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,210,100,0.85);
  margin-bottom: var(--space-4);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  color: #f5f0e8;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}
.hero-title em {
  font-style: italic;
  color: #c8e890;
  display: block;
}
.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: rgba(240,235,220,0.82);
  margin-bottom: var(--space-10);
  line-height: 1.6;
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-dot { animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce {
  0%, 100% { cy: 8; opacity: 1; }
  50% { cy: 14; opacity: 0.4; }
}

/* ---- SECTIONS COMMON ---- */
.section-container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}
.section-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---- BOOKS SECTION ---- */
.books-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-bg);
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}
.filter-btn {
  padding: 0.4em 1.2em;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border: 1.5px solid var(--color-border);
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-highlight); }
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Books grid */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-8);
}
.book-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.book-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.book-card[hidden] { display: none; }

.book-cover-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  max-height: 360px;
}
.book-cover {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  display: block;
  transition: transform 0.4s ease;
}
.book-card:hover .book-cover { transform: scale(1.03); }
.book-cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-text-faint);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--color-surface-offset) 0%, var(--color-surface-dynamic) 100%);
}

.book-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.2em 0.7em;
  border-radius: var(--radius-full);
}
.book-badge--mystery { background: #6b2d2d; }
.book-badge--story { background: var(--color-amber); color: #1a0a00; }

.book-info {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.book-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0;
}
.book-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
}
.book-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-2);
  flex: 1;
}
.book-price {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-3);
}
.price-format {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-faint);
  margin-left: var(--space-1);
}
.book-actions {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ---- ORDER SECTION ---- */
.order-section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.order-cards {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-6);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}
.order-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.order-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
}
.order-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 28ch;
  text-align: center;
}
.order-icon { color: var(--color-text-faint); }
.order-icon--amazon { color: var(--color-amazon); }
.order-icon--booksby { color: var(--color-primary); }
.order-divider-label {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-faint);
  text-align: center;
}

/* ---- ABOUT SECTION ---- */
.about-section {
  position: relative;
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  overflow: hidden;
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.about-text p { color: var(--color-text-muted); line-height: 1.75; max-width: 56ch; }
.about-text strong { color: var(--color-text); font-weight: 600; }
.about-quote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  line-height: 1.5;
  max-width: 50ch;
}
.mountain-art {
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* ---- NEWSLETTER ---- */
.newsletter-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a1e 100%);
  padding: clamp(var(--space-12), 6vw, var(--space-24)) 0;
}
.newsletter-inner {
  display: flex;
  gap: var(--space-12);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.newsletter-text { flex: 1; min-width: 280px; }
.newsletter-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #f5f2e8;
  margin-bottom: var(--space-3);
}
.newsletter-text p { color: rgba(245,242,232,0.8); max-width: 44ch; }
.newsletter-form { flex: 1; min-width: 280px; }
.newsletter-fields {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.newsletter-fields input {
  flex: 1;
  min-width: 200px;
  padding: 0.65em 1.1em;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: var(--text-sm);
  transition: border-color var(--transition), background var(--transition);
}
.newsletter-fields input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-fields input:focus { outline: none; border-color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.18); }
.newsletter-fields .btn-primary {
  background: #f5f2e8;
  color: var(--color-primary-active);
  box-shadow: none;
}
.newsletter-fields .btn-primary:hover { background: #fff; }
.newsletter-note {
  font-size: var(--text-xs);
  color: rgba(245,242,232,0.55);
  margin-top: var(--space-3);
}
.newsletter-success {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  color: #f5f2e8;
  font-size: var(--text-sm);
  font-family: var(--font-ui);
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0 0;
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-12);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-4); }
.footer-brand .logo { color: rgba(250,248,242,0.9); }
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  color: rgba(250,248,242,0.5);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.footer-col { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col h4 {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250,248,242,0.45);
  margin-bottom: var(--space-1);
}
.footer-col a {
  font-size: var(--text-sm);
  color: rgba(250,248,242,0.7);
  transition: color var(--transition);
}
.footer-col a:hover { color: #c8e890; }
.footer-bottom {
  border-top: 1px solid rgba(250,248,242,0.1);
  padding: var(--space-5) var(--space-6);
  text-align: center;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(250,248,242,0.35);
  max-width: var(--content-wide);
  margin: 0 auto;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-mountain { display: none; }
  .order-cards { grid-template-columns: 1fr; max-width: 420px; }
  .order-divider-label { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-links { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 700px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero-cta-group { flex-direction: column; align-items: center; }
  .books-grid { grid-template-columns: 1fr; }
  .newsletter-inner { flex-direction: column; gap: var(--space-8); }
  .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .header-inner { padding: var(--space-3) var(--space-4); }
  .footer-links { grid-template-columns: 1fr; }
}

/* ---- HERO WITH PHOTO ---- */
.hero--with-photo {
  text-align: left;
  align-items: center;
}
.hero-inner-grid {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-12);
  align-items: center;
}
.hero--with-photo .hero-content { text-align: left; }
.hero--with-photo .hero-subtitle { margin-left: 0; margin-right: 0; }
.hero--with-photo .hero-cta-group { justify-content: flex-start; }
.hero-portrait {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 100%;
}
.hero-portrait-img {
  width: 100%;
  max-width: 400px;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  border: 3px solid rgba(255,255,255,0.12);
  object-fit: cover;
  aspect-ratio: 3/4;
}

/* ---- ORDER BUTTON STYLES ---- */
.btn-order {
  width: 100%;
  justify-content: center;
  padding: 0.65em 1.2em;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---- BOOK PRICE ROW ---- */
.book-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}
.book-price-kindle {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  background: var(--color-surface-offset);
  padding: 0.1em 0.5em;
  border-radius: var(--radius-sm);
}

/* ---- FEATURED BOOK CARD ---- */
.book-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-highlight), var(--shadow-md);
}

/* ---- BOOK BADGE RATING ---- */
.book-badge-rating {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  padding: 0.25em 0.6em;
  border-radius: var(--radius-full);
  text-align: center;
  backdrop-filter: blur(4px);
}

/* ---- EBOOK ICON ---- */
.ebook-icon { font-size: 3rem; margin-bottom: var(--space-2); }

/* ---- RESPONSIVE HERO ---- */
@media (max-width: 860px) {
  .hero-inner-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero--with-photo { text-align: center; }
  .hero--with-photo .hero-content { text-align: center; }
  .hero--with-photo .hero-cta-group { justify-content: center; }
  .hero--with-photo .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-portrait { justify-content: center; }
  .hero-portrait-img { max-width: 280px; aspect-ratio: 1/1; }
}

/* ===================================================
   FULL NAV BAR — scrollable, dropdown, Order CTA
   =================================================== */

/* Make nav scrollable on small screens */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  white-space: nowrap;
  padding-right: var(--space-2);
}
.main-nav::-webkit-scrollbar { display: none; }

.main-nav > a,
.main-nav > .nav-item > a {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.main-nav > a:hover,
.main-nav > .nav-item > a:hover { color: var(--color-primary); background: var(--color-surface-offset); }
.main-nav .nav-active { color: var(--color-primary) !important; font-weight: 600; }

/* Order Books CTA button in nav */
.nav-order-btn {
  display: inline-flex !important;
  align-items: center;
  padding: var(--space-2) var(--space-4) !important;
  background: var(--color-primary) !important;
  color: var(--color-text-inverse) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  margin-left: var(--space-2);
  transition: background var(--transition) !important;
  flex-shrink: 0;
}
.nav-order-btn:hover { background: var(--color-primary-hover) !important; color: var(--color-text-inverse) !important; }

/* Dropdown container */
.nav-item { position: relative; display: inline-flex; align-items: center; }
.nav-has-dropdown { }
.nav-chevron { transition: transform var(--transition); flex-shrink: 0; }
.nav-has-dropdown:hover .nav-chevron,
.nav-has-dropdown.open .nav-chevron { transform: rotate(180deg); }

/* Dropdown panel */
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 190px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  z-index: 200;
  flex-direction: column;
}
.nav-has-dropdown:hover .nav-dropdown,
.nav-has-dropdown.open .nav-dropdown { display: flex; }

.nav-dropdown a {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
  border-radius: 0;
}
.nav-dropdown a:hover { color: var(--color-primary); background: var(--color-surface-offset); }
.nav-dropdown a:first-child { border-bottom: 1px solid var(--color-divider); font-weight: 600; color: var(--color-text); }

/* Mobile nav enhancements */
.mobile-sub {
  padding-left: var(--space-8) !important;
  font-size: var(--text-sm) !important;
  color: var(--color-text-faint) !important;
}
.mobile-order {
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  border-radius: var(--radius-md);
  margin: var(--space-2) var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  text-align: center;
  border-bottom: none !important;
}
.mobile-order:hover { background: var(--color-primary-hover); }

/* ---- nav-active style for regular links ---- */
.main-nav > a.nav-active { color: var(--color-primary); font-weight: 600; }

/* ── Home page card buy grid ── */
.card-buy-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
}
.card-buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38em 0.7em;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.76rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  white-space: nowrap;
  line-height: 1;
}
.card-buy-btn:hover { transform: translateY(-1px); box-shadow: 0 3px 10px rgba(0,0,0,0.12); }
.card-buy-price {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.85;
  margin-left: 0.1em;
}

/* Retailer colour tokens */
.card-buy--amazon  { background: #fff8ee; color: #c45500; border-color: rgba(196,85,0,0.3); }
.card-buy--amazon:hover  { background: #ffecd4; }
.card-buy--bn      { background: #f0f5ff; color: #1a4a8a; border-color: rgba(26,74,138,0.3); }
.card-buy--bn:hover      { background: #dce8ff; }
.card-buy--walmart { background: #f0f8ff; color: #0071ce; border-color: rgba(0,113,206,0.3); }
.card-buy--walmart:hover { background: #d6eeff; }
.card-buy--pub     { background: #f0faf0; color: #2d6a2d; border-color: rgba(45,106,45,0.3); }
.card-buy--pub:hover     { background: #d8f0d8; }
.card-buy--kindle  { background: #fefaf0; color: #8a6200; border-color: rgba(138,98,0,0.3); }
.card-buy--kindle:hover  { background: #fdf0cc; }
.card-buy--booksby { background: var(--color-surface-alt, #f5f2eb); color: var(--color-primary, #3d6b3a); border-color: rgba(61,107,58,0.3); }
.card-buy--booksby:hover { background: #e0edd0; }

[data-theme="dark"] .card-buy--amazon  { background: rgba(196,85,0,0.15); color: #f4a460; border-color: rgba(196,85,0,0.4); }
[data-theme="dark"] .card-buy--bn      { background: rgba(26,74,138,0.2); color: #90b4f0; border-color: rgba(90,140,220,0.4); }
[data-theme="dark"] .card-buy--walmart { background: rgba(0,113,206,0.15); color: #70b8f8; border-color: rgba(0,113,206,0.4); }
[data-theme="dark"] .card-buy--pub     { background: rgba(45,106,45,0.2); color: #90c890; border-color: rgba(45,106,45,0.4); }
[data-theme="dark"] .card-buy--kindle  { background: rgba(138,98,0,0.2); color: #d4aa50; border-color: rgba(138,98,0,0.4); }
[data-theme="dark"] .card-buy--booksby { background: rgba(61,107,58,0.2); color: #90c890; border-color: rgba(61,107,58,0.4); }