/**
 * Đồng Thuận — Page layout (hero, collection shell, order, footer)
 * Depends on: styles/tokens.css, styles/base.css, styles/components.css
 * Do not redefine core components here.
 */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--color-on-inverse);
}

/* TASK-932 — subtle top contrast belt for nav (does not crush hero depth) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 1;
  height: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 3.25rem);
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 70% 120% at 88% 0%,
      rgba(28, 20, 16, 0.32) 0%,
      transparent 68%
    ),
    linear-gradient(
      180deg,
      rgba(28, 20, 16, 0.46) 0%,
      rgba(28, 20, 16, 0.2) 48%,
      rgba(28, 20, 16, 0.06) 78%,
      transparent 100%
    );
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: var(--z-base);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
  transform: scale(1.06);
  animation: hero-drift 18s var(--ease-out) both;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background: var(--veil);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(38rem, 100%);
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + var(--space-8))
    max(var(--space-container-inline), env(safe-area-inset-right, 0px))
    clamp(3.5rem, 10vh, 6rem)
    max(var(--space-container-inline), env(safe-area-inset-left, 0px));
}

.hero-brand {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: var(--text-display-size);
  font-weight: var(--text-display-weight);
  line-height: var(--text-display-lh);
  letter-spacing: var(--text-display-tracking);
  opacity: 0;
  transform: translateY(var(--motion-translate));
  animation: rise 1s var(--ease-out) 0.15s forwards;
}

.hero-title {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: var(--text-h1-size);
  font-weight: var(--text-h1-weight);
  line-height: var(--text-h1-lh);
  color: color-mix(in srgb, var(--color-on-inverse) 92%, var(--color-brand));
  opacity: 0;
  transform: translateY(var(--motion-translate));
  animation: rise 1s var(--ease-out) 0.32s forwards;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: var(--text-body-lg-size);
  font-weight: 400;
  line-height: var(--text-body-lg-lh);
  color: color-mix(in srgb, var(--color-on-inverse) 82%, transparent);
  opacity: 0;
  transform: translateY(var(--motion-translate));
  animation: rise 1s var(--ease-out) 0.48s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  opacity: 0;
  transform: translateY(var(--motion-translate));
  animation: rise 1s var(--ease-out) 0.64s forwards;
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: var(--text-h2-size);
  font-weight: var(--text-h2-weight);
  line-height: var(--text-h2-lh);
  color: var(--color-text);
}

.section p {
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
  font-size: var(--text-body-lg-size);
}

.collection {
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, var(--color-accent-soft), transparent 55%),
    linear-gradient(180deg, var(--palette-cream-deep) 0%, var(--color-bg) 100%);
}

.collection--catalog {
  padding-block: var(--space-section);
}

.collection-shell {
  width: min(var(--width-wide), 100%);
  margin-inline: auto;
}

.collection-header {
  max-width: var(--width-readable);
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}

.collection-eyebrow {
  margin: 0 0 0.5rem;
  font-size: var(--text-label-size);
  font-weight: var(--text-label-weight);
  letter-spacing: var(--text-label-tracking);
  text-transform: uppercase;
  color: var(--color-accent);
}

.collection-header h2 {
  margin: 0 0 0.75rem;
}

.collection-lead,
.collection-count {
  margin: 0;
  color: var(--color-text-muted);
}

.collection-lead {
  margin-bottom: 0.75rem;
  font-size: var(--text-body-lg-size);
}

.collection-count {
  font-size: 0.92rem;
  font-weight: 500;
}

.collection-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
  margin-bottom: var(--space-6);
}

.order {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--palette-cream-deep) 100%);
}

/* Order CTA uses success/jade — secondary brand action, not flash sale */
.order .btn-primary {
  background: var(--color-success);
  color: var(--color-on-inverse);
}

.order .btn-primary:hover {
  background: color-mix(in srgb, var(--color-success) 88%, black);
}

.site-footer {
  padding: var(--space-6) var(--space-container-inline)
    calc(var(--space-8) + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--color-border);
  font-size: var(--text-caption-size);
  color: var(--color-text-muted);
}

.site-footer p {
  margin: 0;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-image,
  .hero-brand,
  .hero-title,
  .hero-lead,
  .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .hero-content {
    padding-bottom: calc(var(--space-12) + env(safe-area-inset-bottom, 0px));
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
    width: 100%;
    min-height: var(--touch-min);
  }

  .nav a:not(.nav-cta) {
    display: none;
  }

  .nav a.nav-cta {
    min-height: var(--touch-min);
  }

  .hero-veil {
    background: linear-gradient(
      180deg,
      rgba(28, 20, 16, 0.35) 0%,
      rgba(28, 20, 16, 0.45) 40%,
      rgba(28, 20, 16, 0.88) 100%
    );
  }

  /* Softer mobile belt — mobile veil already darkens top */
  .hero::before {
    height: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 2.25rem);
    background: linear-gradient(
      180deg,
      rgba(28, 20, 16, 0.28) 0%,
      rgba(28, 20, 16, 0.1) 60%,
      transparent 100%
    );
  }

  .hero-image {
    object-position: 70% center;
  }

  .section {
    padding-block: clamp(2.75rem, 8vw, 4.25rem);
  }

  .order .btn-primary {
    width: 100%;
    min-height: var(--touch-min);
  }

  .gift-card__cta {
    min-height: var(--touch-min);
    display: inline-flex;
    align-items: center;
  }

  [data-collection-tools] {
    row-gap: 0.75rem;
  }

  .chip-row {
    padding-block: 0.15rem 0.35rem;
  }
}

/* —— Homepage storytelling (TASK-929) —— */
.story-shell {
  width: min(var(--width-wide), 100%);
  margin-inline: auto;
}

.story-eyebrow,
.corporate-teaser__eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--text-label-size);
  font-weight: var(--text-label-weight);
  letter-spacing: var(--text-label-tracking);
  text-transform: uppercase;
  color: var(--color-accent);
}

.story-header {
  max-width: var(--width-readable);
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.story-header--compact {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.story-header h2,
.story-bridge__heading {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-h2-size);
  font-weight: var(--text-h2-weight);
  line-height: var(--text-h2-lh);
  color: var(--color-text);
}

.story-lead,
.story-bridge__body {
  margin: 0;
  max-width: 38rem;
  color: var(--color-text-muted);
  font-size: var(--text-body-lg-size);
  line-height: var(--text-body-lg-lh);
}

.story-bridge {
  padding-block: var(--space-section-compact);
  background: var(--color-bg-soft);
}

.story-bridge__inner {
  max-width: 34rem;
}

.story-bridge__rule {
  margin-top: var(--space-6);
  width: 3.5rem;
  height: 2px;
  background: color-mix(in srgb, var(--color-accent) 55%, transparent);
}

.gift-guide {
  background:
    linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 40%);
}

.gift-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

.gift-card {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: none;
}

.gift-card .editorial-card__media {
  margin: 0;
  border-radius: 0;
  aspect-ratio: 3 / 2;
}

.gift-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-5) var(--space-6);
}

.gift-card__hint {
  margin: 0 0 var(--space-2);
  font-size: var(--text-caption-size);
  color: var(--color-text-soft);
}

.gift-card__cta {
  align-self: flex-start;
  margin-top: var(--space-2);
}

.corporate-teaser {
  margin-top: var(--space-8);
  padding: var(--space-5) 0 0;
  border-top: 1px solid var(--color-border);
  max-width: 36rem;
}

.corporate-teaser__text {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-body-sm-size);
  line-height: var(--text-body-sm-lh);
}

.craft-strip {
  background:
    linear-gradient(180deg, var(--color-bg) 0%, var(--palette-cream-deep) 100%);
  padding-block: var(--space-section);
}

.craft-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-5);
}

.craft-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  align-items: start;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.craft-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.craft-step__number {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent);
  min-width: 2.25rem;
}

.craft-step__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-h3-size);
  font-weight: var(--text-h3-weight);
  line-height: var(--text-h3-lh);
}

.craft-step__desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-body-sm-size);
  line-height: var(--text-body-sm-lh);
}

.craft-motif {
  margin-top: var(--space-8);
  max-width: 28rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-media-fallback);
}

.craft-motif img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.92;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(0.75rem);
  transition:
    opacity var(--duration-slow) var(--ease-entrance),
    transform var(--duration-slow) var(--ease-entrance);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 720px) {
  .gift-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .gift-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: stretch;
  }

  .gift-card--featured .gift-card__media {
    height: 100%;
    aspect-ratio: auto;
    min-height: 14rem;
  }

  .gift-card--featured .gift-card__media img {
    height: 100%;
  }

  .craft-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--space-8);
  }

  .craft-step {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

@media (min-width: 1100px) {
  .gift-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .gift-card--featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .gift-card--featured .gift-card__media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

  .craft-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .craft-motif {
    max-width: 32rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}