/**
 * HOME.CSS — Homepage layout for DiscoveringDaVinci.com
 * =====================================================
 * Scrollable homepage with card-based explore grid.
 * Works alongside foundation.css and davinci-menu.css.
 */

/* ── Hero ─────────────────────────────────────────── */
.home-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--space-3xl) var(--space-xl) calc(var(--space-3xl) + 48px);
  background:
    radial-gradient(ellipse 80% 55% at 12% 90%, rgba(212, 175, 55, 0.12), transparent 65%),
    radial-gradient(ellipse 60% 40% at 88% 14%, rgba(100, 70, 25, 0.15), transparent 55%),
    linear-gradient(180deg, rgba(4, 4, 4, 0.96) 0%, rgba(8, 8, 8, 0.98) 100%),
    var(--color-background);
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
  position: relative;
  overflow: hidden;
}

/* Renaissance parchment texture shimmer */
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      92deg,
      transparent,
      transparent 120px,
      rgba(212, 175, 55, 0.015) 121px
    ),
    repeating-linear-gradient(
      2deg,
      transparent,
      transparent 180px,
      rgba(212, 175, 55, 0.01) 181px
    );
  pointer-events: none;
}

.home-hero-inner {
  max-width: 780px;
  position: relative;
  z-index: 1;
}

/* ── Hero Quote ───────────────────────────────────── */
.home-hero-quote {
  margin: 0 0 2.8rem;
  padding: 0 0 0 1.2rem;
  border-left: 2px solid rgba(212, 175, 55, 0.5);
}

.home-hero-quote blockquote {
  margin: 0;
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.7;
  color: rgba(212, 175, 55, 0.78);
  letter-spacing: 0.01em;
}

.home-hero-quote figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Scroll indicator ─────────────────────────────── */
.home-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-tertiary);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  animation: scrollBob 2.4s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

.home-scroll-hint__arrow {
  width: 18px;
  height: 18px;
  border-right: 1.5px solid rgba(212, 175, 55, 0.45);
  border-bottom: 1.5px solid rgba(212, 175, 55, 0.45);
  transform: rotate(45deg);
}

.home-title {
  font-family: var(--font-display);
  font-size: 3.75rem;
  font-weight: 700;
  line-height: 1.05;
  margin-bottom: var(--space-xl);
}

.home-title-main {
  display: block;
  color: var(--color-text-primary);
}

.home-title-accent {
  display: block;
  color: var(--color-accent-primary);
  margin-top: 0.1em;
}

.home-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
}

.home-hero-actions {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────── */
.home-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.7rem 1.6rem;
  border-radius: var(--border-radius);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: all var(--transition-medium);
}

.home-btn-primary {
  background: var(--color-accent-primary);
  color: var(--color-background);
}

.home-btn-primary:hover {
  background: var(--color-accent-secondary);
  transform: translateY(-1px);
}

.home-btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.home-btn-secondary:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
}

/* ── Sections ─────────────────────────────────────── */
.home-section {
  padding: var(--space-3xl) var(--space-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.home-section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent-primary);
  text-align: center;
  margin-bottom: var(--space-md);
}

.home-section-lead {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-2xl);
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.65;
}

/* ── Card Grids ───────────────────────────────────── */
.home-grid {
  display: grid;
  gap: var(--space-lg);
  max-width: 1100px;
  margin: 0 auto;
}

.home-grid-2 { grid-template-columns: repeat(2, 1fr); }
.home-grid-3 { grid-template-columns: repeat(3, 1fr); }
.home-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .home-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .home-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .home-grid-4,
  .home-grid-3,
  .home-grid-2 { grid-template-columns: 1fr; }
}

/* ── Cards ────────────────────────────────────────── */
.home-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: all var(--transition-medium);
}

.home-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
  background: var(--color-surface-elevated);
}

.home-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-primary);
  margin: 0;
}

.home-card:hover h3 {
  color: var(--color-accent-primary);
}

.home-card p {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--color-text-tertiary);
  margin: 0;
}

.home-card-kicker {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-tertiary);
}

.home-card-action {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  margin-top: auto;
  padding-top: 0.5rem;
}

/* Featured card — subtle gold left border */
.home-card.home-card-featured {
  border-left: 3px solid var(--color-accent-primary);
}

/* Gold card — for headline features */
.home-card.home-card-gold {
  background: linear-gradient(135deg, rgba(139, 105, 20, 0.06) 0%, rgba(158, 140, 108, 0.04) 100%);
  border: 1px solid rgba(139, 105, 20, 0.3);
}

.home-card.home-card-gold:hover {
  border-color: var(--color-accent-primary);
  background: linear-gradient(135deg, rgba(139, 105, 20, 0.1) 0%, rgba(158, 140, 108, 0.06) 100%);
}

[data-theme="dark"] .home-card.home-card-gold {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(139, 90, 43, 0.06) 100%);
  border-color: rgba(212, 175, 55, 0.35);
}

[data-theme="dark"] .home-card.home-card-gold:hover {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.18) 0%, rgba(139, 90, 43, 0.1) 100%);
  border-color: var(--color-accent-primary);
}

/* ── Book Block ───────────────────────────────────── */
.home-section-book {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
}

.home-book-block {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.home-book-text p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.home-book-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.home-stat {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius);
}

.home-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-primary);
}

.home-stat-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-tertiary);
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .home-hero { min-height: auto; padding: var(--space-2xl) var(--space-lg); }
  .home-title { font-size: 2.5rem; }
  .home-book-block { grid-template-columns: 1fr; }
  .home-section { padding: var(--space-2xl) var(--space-lg); }
}