/* ═══════════════════════════════════════════════════
   Literature — /literature
   Hero (lit-hero) + downloadable-document library (lit-library).
   On-brand: dark photo hero + cream filterable card grid.
   ═══════════════════════════════════════════════════ */

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

.lit-hero__bg {
  position: absolute;
  inset: 0;
}

.lit-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.35;
}

.lit-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 17, 17, 0.4) 0%, rgba(17, 17, 17, 0.85) 100%);
}

.lit-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;
}

.lit-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;
}

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

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

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

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

.lit-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;
}

.lit-hero__title-accent {
  display: block;
  color: var(--color-primary);
}

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

/* ── Library section ── */
.lit-library {
  position: relative;
  background: var(--color-cream);
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(4rem, 8vw, 6rem);
  border-radius: var(--border-radius);
}

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

.lit-library__header {
  margin-bottom: 2.5rem;
}

.lit-library__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

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

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

.lit-library__title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #111;
  margin-bottom: 1rem;
}

.lit-library__subtitle {
  max-width: 640px;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.7;
  color: #555;
}

/* ── Filters ── */
.lit-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.lit-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  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;
}

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

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

.lit-filter-btn__count {
  font-size: 0.6875rem;
  opacity: 0.6;
}

/* ── Card grid ── */
.lit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.lit-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.lit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.1);
}

.lit-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #ececea 0%, #e2e1de 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lit-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lit-card__doc-icon {
  color: rgba(17, 17, 17, 0.28);
}

.lit-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.3rem 0.7rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--color-primary);
  border-radius: calc(var(--border-radius) / 1.5);
}

.lit-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.5rem;
}

.lit-card__title {
  font-size: 1.125rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #111;
  margin-bottom: 0.6rem;
}

.lit-card__desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #555;
  margin-bottom: 1.25rem;
}

.lit-card__download {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: auto;
  align-self: flex-start;
  padding: 0.6rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border-radius: var(--border-radius);
  transition: background var(--duration-normal) var(--ease-smooth);
}

.lit-card__download:hover {
  background: var(--color-primary-hover);
}

.lit-card__download-meta {
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0.75;
}

.lit-card__unavailable {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #999;
}

/* ── Empty state ── */
.lit-empty {
  padding: 3rem 0;
  text-align: center;
  font-size: 1.0625rem;
  color: #777;
}