/* The Reality Manual — shared design system
   Warm near-black, gold accent, literary-luxury. No frameworks, no build step. */

:root {
  --ivory: #16140f;
  --ivory-dim: #1e1b14;
  --ink: #f2ede1;
  --ink-soft: #a89c85;
  --ink-faint: #6f6552;
  --border: #332c20;
  --accent: #c9a24d;
  --accent-2: #e3c37a;
  --accent-3: #a97f34;
  --accent-soft: rgba(201, 162, 77, 0.14);
  --accent-ink: #16140f;
  --error: #e2685f;
  --max-width: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--ink);
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.9rem);
  line-height: 1.08;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

p {
  margin: 0 0 1.2em;
}

a {
  color: var(--accent);
}

::selection {
  background: var(--accent-soft);
  color: var(--ink);
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wordmark {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.4rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-narrow {
  max-width: var(--max-width);
  margin: 0 auto;
}

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2.5rem 1.5rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* Buttons */

.btn {
  display: inline-block;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 45%, var(--accent-3) 100%);
  color: var(--accent-ink);
  border: 1px solid var(--accent-3);
  padding: 0.95rem 2.3rem;
  font-family: 'Archivo', sans-serif;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 28px -10px rgba(201, 162, 77, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 14px 34px -10px rgba(201, 162, 77, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.btn:hover::before {
  left: 120%;
}

.btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  filter: none;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

.price {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  margin: 1.25rem 0;
}

section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

/* Landing page */

.hero {
  padding: 4.5rem 0 6rem;
  border-top: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-copy {
  order: 2;
  max-width: 46ch;
}

.hero-gallery {
  order: 1;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 1.15rem;
}

.lede {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 1rem;
}

.hero-body {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 42ch;
  margin-bottom: 1.9rem;
}

.secure-note {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.secure-note svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  opacity: 0.75;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1.1rem;
}

.trust-row span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-row span::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

/* Product gallery */

.hero-gallery {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stage {
  position: relative;
  aspect-ratio: 3 / 4;
  width: 100%;
  max-width: 420px;
  background:
    radial-gradient(ellipse at 50% 38%, var(--accent-soft), transparent 60%),
    var(--ivory-dim);
  border: 1px solid var(--border);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow: hidden;
}

.stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.stage-caption {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0.9rem 0 0;
  width: 100%;
  max-width: 420px;
}

.thumbs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.55rem;
  width: 100%;
  max-width: 420px;
  margin: 0.9rem 0 0;
}

.thumb {
  aspect-ratio: 3 / 4;
  padding: 0.35rem;
  border: 1px solid var(--border);
  background: var(--ivory-dim);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.15s ease, border-color 0.15s ease;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.thumb:hover {
  opacity: 0.85;
}

.thumb.is-active {
  opacity: 1;
  border-color: var(--accent);
}

.thumb:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 5rem;
  }

  .hero-copy, .hero-gallery {
    order: 0;
  }

  .stage, .thumbs, .stage-caption {
    max-width: 440px;
  }
}

/* Why this book */

.why {
  padding: 5.5rem 0;
}

.why-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.why-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.why h2 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  margin-bottom: 0.75em;
}

.why p {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 56ch;
  margin: 0 auto 1.2rem;
}

.why p:last-of-type {
  margin-bottom: 0;
}

/* Closing CTA */

.closing-cta {
  padding: 4.5rem 0 5rem;
  text-align: center;
}

.closing-cta .kicker {
  justify-content: center;
}

.closing-cta h2 {
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  margin-bottom: 1.5rem;
}

.closing-cta .secure-note {
  justify-content: center;
}

/* Book object frame (reused for supporting product imagery) */

.book-frame {
  border: 1px solid var(--border);
  background: var(--ivory-dim);
  aspect-ratio: 3 / 4;
  max-width: 320px;
  margin: 2.5rem auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.mobile-cta-bar {
  display: none;
}

@media (max-width: 700px) {
  .mobile-cta-bar {
    display: flex;
    justify-content: center;
    position: sticky;
    bottom: 0;
    background: var(--ivory-dim);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1rem;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
    z-index: 10;
  }

  .mobile-cta-bar .btn {
    flex: 1;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .thumb {
    transition: none;
  }

  .btn::before {
    display: none;
  }
}

/* Checkout */

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 2.5rem 0 4rem;
}

@media (min-width: 800px) {
  .checkout-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

.order-summary {
  border: 1px solid var(--border);
  background: var(--ivory-dim);
  padding: 1.75rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
}

.summary-row.total {
  border-top: 1px solid var(--border);
  margin-top: 0.6rem;
  padding-top: 0.8rem;
  font-family: 'Fraunces', serif;
  font-size: 1.3rem;
}

.field {
  margin-bottom: 1.1rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.field input,
.field select {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--ivory-dim);
  color: var(--ink);
}

.field input::placeholder {
  color: var(--ink-faint);
  opacity: 1;
}

.field input:focus,
.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 0.3rem;
  display: none;
}

.field.has-error input,
.field.has-error select {
  border-color: var(--error);
}

.field.has-error .field-error {
  display: block;
}

#payment-element {
  margin: 1.25rem 0;
}

.form-error-banner {
  display: none;
  background: rgba(226, 104, 95, 0.12);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.form-error-banner.visible {
  display: block;
}

/* Confirmation */

.confirmation-box {
  text-align: center;
  max-width: var(--max-width);
  margin: 4rem auto;
  padding: 3rem 2rem;
  border: 1px solid var(--border);
}

.spinner {
  width: 34px;
  height: 34px;
  margin: 0 auto 1.5rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.order-meta {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

@media (max-width: 480px) {
  body { font-size: 17px; }
  .field-row { grid-template-columns: 1fr; }
  .hero { padding: 3rem 0 3.5rem; }
}