/* ──────────────────────────────
   Landing Page
   ────────────────────────────── */

/* ── Nav ── */
.landing-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}

[data-theme="dark"] .landing-header {
  background: rgba(26, 36, 33, 0.92);
}

.landing-nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.landing-nav .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.landing-nav-links {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}

.landing-nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.landing-nav-links a:hover {
  color: var(--text-primary);
}

.landing-nav-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-left: auto;
}

.landing-nav-links + .landing-nav-actions {
  margin-left: 0;
}

.btn-outline-nav {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn-outline-nav:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1rem;
}

.btn-ghost-cta {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 0.85rem 1.25rem;
  font-size: 1rem;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-ghost-cta:hover {
  color: var(--text-primary);
}

/* ── Shared ── */
.lp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.lp-section {
  padding: 5rem 0;
}

.lp-section h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.02em;
}

.lp-section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 3rem 0;
  max-width: 540px;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(160deg, #FAF5EE 0%, #FDF8F2 55%, #F7EDE2 100%);
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  padding: 0;
}

[data-theme="dark"] .hero {
  background: linear-gradient(160deg, #1F2A27 0%, #222E2A 55%, #1A2421 100%);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--text-primary);
  margin: 0 0 1.25rem 0;
  letter-spacing: -0.03em;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin: 0 0 2.25rem 0;
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.hero-proof {
  margin-top: 2rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ── Book Stack Visual ── */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-stack {
  position: relative;
  width: 280px;
  height: 320px;
}

.bk {
  position: absolute;
  border-radius: 3px 8px 8px 3px;
  box-shadow:
    -3px 0 6px rgba(0,0,0,0.12),
    5px 8px 28px rgba(0,0,0,0.18);
}

.bk::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 10px;
  background: rgba(0,0,0,0.12);
  border-radius: 3px 0 0 3px;
}

.bk-1 {
  width: 160px; height: 200px;
  background: linear-gradient(145deg, #F6BD60 0%, #E8A84A 100%);
  top: 20px; left: 30px;
  transform: rotate(-4deg);
  z-index: 3;
}

.bk-2 {
  width: 152px; height: 192px;
  background: linear-gradient(145deg, #F5CAC3 0%, #E8A898 100%);
  top: 52px; left: 78px;
  transform: rotate(3deg);
  z-index: 2;
}

.bk-3 {
  width: 148px; height: 188px;
  background: linear-gradient(145deg, #84A59D 0%, #6B8F86 100%);
  top: 72px; left: 122px;
  transform: rotate(10deg);
  z-index: 1;
}

/* Photo strips on the book covers */
.bk-1::after, .bk-2::after, .bk-3::after {
  content: '';
  position: absolute;
  border-radius: 2px;
  opacity: 0.18;
  background: rgba(0,0,0,0.4);
}

.bk-1::after {
  inset: 18px 16px 18px 20px;
  background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(0,0,0,0.1) 100%);
  border-radius: 3px;
  opacity: 1;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);
}

/* ── How It Works ── */
.section-how {
  background: var(--bg-elevated);
}

.section-how .lp-container {
  text-align: center;
}

.section-how h2 {
  margin-bottom: 3.5rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.steps-connector {
  position: absolute;
  top: 27px;
  left: calc(16.66% + 27px);
  right: calc(16.66% + 27px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary-muted), var(--color-primary-muted));
  pointer-events: none;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.75rem;
  position: relative;
}

.step-number {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 14px rgba(132, 165, 157, 0.35);
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* ── Book Formats ── */
.section-formats {
  background: var(--bg-secondary);
}

.formats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 1.25rem;
}

.format-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  cursor: default;
}

.format-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

.format-mock-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 120px;
  margin-bottom: 1.25rem;
}

.format-mock {
  border-radius: 2px 6px 6px 2px;
  background: linear-gradient(145deg, var(--bg-tertiary) 0%, var(--bg-inset) 100%);
  box-shadow: -2px 0 4px rgba(0,0,0,0.08), 3px 4px 14px rgba(0,0,0,0.13);
  position: relative;
  flex-shrink: 0;
}

.format-mock::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: rgba(0,0,0,0.09);
  border-radius: 2px 0 0 2px;
}

.format-mock--square       { width: 90px;  height: 90px;  }
.format-mock--portrait     { width: 76px;  height: 96px;  }
.format-mock--landscape    { width: 112px; height: 80px;  }
.format-mock--large-square { width: 106px; height: 106px; }

.format-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.35rem 0;
}

.format-card p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 0 0.75rem 0;
}

.format-price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ── Features ── */
.section-features {
  background: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.4rem 0;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* ── Pricing ── */
.section-pricing {
  background: var(--bg-secondary);
  text-align: center;
}

.section-pricing .lp-section-sub {
  margin-left: auto;
  margin-right: auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.pricing-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem 0.75rem;
  transition: border-color var(--transition-fast);
}

.pricing-card:hover {
  border-color: var(--color-primary);
}

.pricing-size {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.pricing-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.35rem;
  letter-spacing: -0.03em;
}

.pricing-per {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.pricing-footer-note {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ── FAQ ── */
.section-faq {
  background: var(--bg-elevated);
}

.faq-list {
  max-width: 680px;
  margin-top: 2.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--border-default);
}

.faq-item:first-child {
  border-top: 1px solid var(--border-default);
}

.faq-item summary {
  padding: 1.1rem 0;
  font-size: 0.975rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-toggle {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 400;
  flex-shrink: 0;
  line-height: 1;
  transition: background var(--transition-fast);
}

.faq-item[open] .faq-toggle {
  background: var(--color-primary);
  color: #fff;
}

.faq-body {
  padding: 0 0 1.1rem;
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.925rem;
}

/* ── Final CTA ── */
.section-cta {
  background: linear-gradient(150deg, #F7EDE2 0%, #FAF0DC 50%, #F6EAD8 100%);
  text-align: center;
  padding: 6rem 0;
}

[data-theme="dark"] .section-cta {
  background: linear-gradient(150deg, #252E2A 0%, #2A3028 50%, #222A26 100%);
}

.section-cta h2 {
  margin-bottom: 0.75rem;
}

.section-cta .lp-section-sub {
  margin: 0 auto 2rem;
}

.cta-note {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.cta-note a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ── Footer ── */
.landing-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-default);
  padding: 2rem 0;
}

.landing-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.landing-footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

.landing-footer-links {
  display: flex;
  gap: 1.5rem;
}

.landing-footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.landing-footer-links a:hover {
  color: var(--text-secondary);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .landing-nav-links {
    display: none;
  }

  .landing-nav-actions {
    margin-left: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    padding: 3.5rem 1.5rem;
    min-height: auto;
  }

  .hero {
    min-height: auto;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .hero-visual {
    order: -1;
  }

  .book-stack {
    width: 220px;
    height: 240px;
    transform: scale(0.85);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .steps-connector {
    display: none;
  }

  .lp-section {
    padding: 3.5rem 0;
  }

  .formats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-cta {
    padding: 4rem 0;
  }

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

@media (max-width: 480px) {
  .formats-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}