/* ============================================================
   J. CALDWELL & SONS — COLLECTION.CSS
   Collection Page Specific Styles (collection.html)
   ============================================================ */

/* ============================================================
   PAGE HEADER
   ============================================================ */
.collection-page-header {
  padding: 140px 40px 60px;
  text-align: center;
  border-bottom: 1px solid var(--color-rule);
}

.collection-page-header .divider-a-top {
  border: none;
  border-top: 3px solid var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  height: 6px;
  margin: 0 auto 40px;
  max-width: 800px;
}

.collection-vol-label {
  font-family: var(--font-nav);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-faded);
  margin-bottom: 20px;
}

.collection-page-header h1 {
  font-family: var(--font-headline);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.collection-page-header .subtitle {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  color: var(--color-ink-light);
  line-height: 1.4;
}

.collection-page-header .divider-a-bottom {
  border: none;
  border-top: 1px solid var(--color-ink);
  border-bottom: 3px solid var(--color-ink);
  height: 6px;
  margin: 40px auto 0;
  max-width: 800px;
}


/* ============================================================
   FEATURED ITEM [G] EDITORIAL SPREAD
   ============================================================ */
.featured-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 80px 60px;
  align-items: center;
}

.featured-image {
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: sepia(0.1) contrast(1.03);
  transition: transform 0.5s ease;
}

.featured-image:hover img {
  transform: scale(1.06);
}

.featured-text {
  position: relative;
}

.product-number-label {
  font-family: var(--font-nav);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-ink-faded);
  display: block;
  margin-bottom: 12px;
}

.featured-text h2 {
  font-family: var(--font-headline);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 28px;
}

.featured-desc {
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-ink-light);
  margin-bottom: 28px;
}

.featured-desc p {
  margin-bottom: 16px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.spec-table td {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-rule);
  font-size: 14px;
  vertical-align: top;
}

.spec-table td:first-child {
  font-family: var(--font-nav);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-faded);
  width: 35%;
}

.featured-price {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 700;
  margin-top: 24px;
}

.featured-bg-illustration {
  position: absolute;
  right: -20px;
  bottom: -40px;
  width: 200px;
  opacity: 0.06;
  pointer-events: none;
  z-index: -1;
}

.featured-bg-illustration img {
  width: 100%;
  height: auto;
}


/* ============================================================
   PRODUCT GRID [F] IRREGULAR
   ============================================================ */
.product-grid-section {
  padding: 80px 40px;
  background: var(--color-bg-primary);
}

.product-grid-section .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.product-grid-section .section-num {
  font-family: var(--font-headline);
  font-size: 48px;
  color: var(--color-ink-faded);
  line-height: 1;
  margin-bottom: 8px;
}

.product-grid-section .section-title {
  font-family: var(--font-headline);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
}

.product-grid {
  display: grid;
  grid-template-areas:
    "a a b c"
    "a a d d"
    "e f d d"
    "g g h h";
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 280px 280px 280px 240px;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.product-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.5s ease;
}

.product-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.8);
}

.product-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: var(--color-cream);
  transform: translateY(100%);
  transition: transform 0.4s ease;
  background: linear-gradient(transparent, rgba(26, 26, 24, 0.75));
}

.product-item:hover .product-overlay {
  transform: translateY(0);
}

.product-overlay-number {
  font-family: var(--font-nav);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0 0 4px;
  opacity: 0.85;
}

.product-overlay-name {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
}

.product-overlay-price {
  font-family: var(--font-headline);
  font-size: 18px;
}

.product-item--a { grid-area: a; }
.product-item--b { grid-area: b; }
.product-item--c { grid-area: c; }
.product-item--d { grid-area: d; }
.product-item--e { grid-area: e; }
.product-item--f { grid-area: f; }
.product-item--g { grid-area: g; }
.product-item--h { grid-area: h; }


/* ============================================================
   PRODUCT DETAILS [G] EDITORIAL — ALTERNATING
   ============================================================ */
.product-details-section {
  padding: 40px 0;
  background: var(--color-bg-secondary);
}

.product-detail {
  padding: 0 60px;
}

.product-detail-inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 60px;
  padding: 60px 0;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.product-detail--reverse .product-detail-inner {
  direction: rtl;
}

.product-detail--reverse .product-detail-inner > * {
  direction: ltr;
}

.product-detail-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: sepia(0.08) contrast(1.02);
  transition: transform 0.5s ease;
}

.product-detail-image:hover img {
  transform: scale(1.03);
}

.product-detail-image {
  overflow: hidden;
}

.product-detail-text h3 {
  font-family: var(--font-headline);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.15;
  margin: 8px 0 20px;
}

.product-detail-text p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-ink-light);
  margin-bottom: 20px;
}

.product-detail-price {
  font-family: var(--font-headline);
  font-size: 24px;
  font-weight: 700;
  margin-top: 8px;
}

.detail-divider {
  text-align: center;
  padding: 8px 0;
  color: var(--color-ink-faded);
  font-size: 14px;
  letter-spacing: 0.3em;
}


/* ============================================================
   CTA BAND
   ============================================================ */
.collection-cta {
  padding: 80px 40px;
  text-align: center;
  background: var(--color-cream);
}

.collection-cta-rule {
  height: 2px;
  background: var(--color-ink);
  max-width: 600px;
  margin: 0 auto 40px;
}

.collection-cta-rule:last-child {
  margin: 40px auto 0;
}

.collection-cta h2 {
  font-family: var(--font-nav);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 28px;
}


/* ============================================================
   RESPONSIVE — TABLET (769–1024px)
   ============================================================ */
@media (min-width: 769px) and (max-width: 1024px) {

  .featured-item {
    gap: 40px;
    padding: 60px 40px;
  }

  .featured-text h2 {
    font-size: 30px;
  }

  .product-grid {
    grid-template-rows: 220px 220px 220px 200px;
  }

  .product-detail {
    padding: 0 40px;
  }

  .product-detail-inner {
    gap: 40px;
  }

  .product-detail-text h3 {
    font-size: 24px;
  }
}


/* ============================================================
   RESPONSIVE — SP (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {

  /* Page Header */
  .collection-page-header {
    padding: 120px 20px 40px;
  }

  .collection-page-header h1 {
    font-size: clamp(28px, 6vw, 36px);
  }

  .collection-page-header .subtitle {
    font-size: 17px;
  }

  /* Featured Item */
  .featured-item {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 60px 20px;
  }

  .featured-text h2 {
    font-size: 28px;
  }

  .featured-price {
    font-size: 24px;
  }

  .featured-bg-illustration {
    display: none;
  }

  /* Product Grid */
  .product-grid-section {
    padding: 60px 16px;
  }

  .product-grid {
    grid-template-areas: none;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    gap: 6px;
  }

  .product-item--a,
  .product-item--b,
  .product-item--c,
  .product-item--d,
  .product-item--e,
  .product-item--f,
  .product-item--g,
  .product-item--h {
    grid-area: auto;
  }

  .product-item--a {
    grid-column: 1 / -1;
  }

  .product-item img {
    aspect-ratio: 1 / 1;
  }

  .product-item--a img {
    aspect-ratio: 16 / 9;
  }

  .product-overlay {
    transform: translateY(0);
    padding: 16px;
    background: linear-gradient(transparent 30%, rgba(26, 26, 24, 0.7));
  }

  .product-overlay-name {
    font-size: 16px;
  }

  .product-overlay-price {
    font-size: 15px;
  }

  /* Product Details */
  .product-details-section {
    padding: 20px 0;
  }

  .product-detail {
    padding: 0 20px;
  }

  .product-detail-inner,
  .product-detail--reverse .product-detail-inner {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 24px;
    padding: 40px 0;
  }

  .product-detail-text h3 {
    font-size: 22px;
  }

  .product-detail-price {
    font-size: 20px;
  }

  /* CTA */
  .collection-cta {
    padding: 60px 20px;
  }

  .collection-cta h2 {
    font-size: 15px;
  }
}


/* ============================================================
   RESPONSIVE — LARGE (1440px+)
   ============================================================ */
@media (min-width: 1440px) {

  .featured-item {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 80px;
  }

  .product-grid-section {
    max-width: 1400px;
    margin: 0 auto;
  }

  .product-grid {
    grid-template-rows: 320px 320px 320px 280px;
  }

  .product-detail {
    padding: 0 80px;
  }
}