/* ═══════════════════════════════════════════════════
   REFERENCES — PAGE-SPECIFIC STYLES
   Ported from the static references page. Only change vs. static:
   the hero background image uses a theme-relative path (../images/).
   (The static's unused .ref-hero__stat-* rules are omitted — no stat-row markup.)
   ═══════════════════════════════════════════════════ */

/* ── Hero ── */
.ref-hero {
  position: relative;
  padding: clamp(10rem, 18vw, 14rem) 0 clamp(4rem, 8vw, 6rem);
  background: #111;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.ref-hero__bg-image {
  position: absolute;
  inset: 0;
  background: url('../images/references-hero.jpg') center center / cover no-repeat;
  opacity: 0.35;
}

.ref-hero__dot-bg {
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: radial-gradient(circle at 1px 1px, white 1px, transparent 1px);
  background-size: 32px 32px;
}

.ref-hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 9999px;
  filter: blur(140px);
  background: radial-gradient(ellipse at center, rgba(206, 68, 5, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.ref-hero__content {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 2rem);
}

.ref-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.ref-hero__eyebrow-line {
  width: 48px;
  height: 2px;
  background: var(--color-primary);
}

.ref-hero__eyebrow-text {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--color-primary);
}

.ref-hero__title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: #fff;
  margin-bottom: 2rem;
}

.ref-hero__title-stroke {
  display: block;
  color: var(--color-primary);
}

.ref-hero__body {
  max-width: 640px;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

/* ── Filter + Table Section ── */
.ref-section {
  position: relative;
  background: var(--color-cream);
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(4rem, 8vw, 6rem);
  border-radius: var(--border-radius);
}

.ref-section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 2rem);
}

/* ── Filters ── */
.ref-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.ref-filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  background: transparent;
  color: #3a3a3a;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-smooth);
  white-space: nowrap;
}

.ref-filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(206, 68, 5, 0.04);
}

.ref-filter-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ── Search + count bar ── */
.ref-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ref-search {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  position: relative;
}

.ref-search__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(0, 0, 0, 0.3);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

.ref-search__input {
  width: 100%;
  padding: 0.625rem 1rem 0.625rem 2.75rem;
  font-size: 0.875rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  background: #fff;
  color: #1a1a1a;
  outline: none;
  transition: border-color var(--duration-normal);
  font-family: inherit;
}

.ref-search__input::placeholder {
  color: rgba(0, 0, 0, 0.35);
}

.ref-search__input:focus {
  border-color: var(--color-primary);
}

.ref-count {
  font-size: 0.8125rem;
  color: rgba(0, 0, 0, 0.4);
  font-weight: 500;
  margin-left: auto;
}

.ref-count strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ── Table ── */
.ref-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #fff;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 700px;
}

.ref-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.ref-table th {
  padding: 0.875rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(0, 0, 0, 0.5);
  background: #f9f8f6;
  border-bottom: 2px solid rgba(0, 0, 0, 0.06);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--duration-normal);
}

.ref-table th:hover {
  color: var(--color-primary);
}

.ref-table th .sort-icon {
  display: inline-block;
  margin-left: 0.35rem;
  opacity: 0.3;
  transition: opacity var(--duration-normal);
  font-size: 0.625rem;
  vertical-align: middle;
}

.ref-table th.is-sorted .sort-icon {
  opacity: 1;
  color: var(--color-primary);
}

.ref-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  color: #3a3a3a;
  vertical-align: middle;
}

.ref-table tbody tr {
  transition: background var(--duration-fast);
}

.ref-table tbody tr:hover {
  background: rgba(206, 68, 5, 0.03);
}

.ref-table .ref-category-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 3px;
  background: rgba(206, 68, 5, 0.08);
  color: var(--color-primary);
  white-space: nowrap;
}

.ref-table .ref-output {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: #1a1a1a;
}

.ref-table .ref-serial {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.35);
  font-size: 0.8125rem;
}

/* ── No results ── */
.ref-no-results {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  color: rgba(0, 0, 0, 0.4);
  font-size: 1rem;
}

.ref-no-results.is-visible {
  display: block;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .ref-filters {
    gap: 0.375rem;
  }
  .ref-filter-btn {
    padding: 0.4rem 0.875rem;
    font-size: 0.75rem;
  }
  .ref-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .ref-search {
    max-width: none;
  }
  .ref-count {
    margin-left: 0;
  }
}