/* ============================================================
   NAVIGATION BAR
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  background: rgba(14, 11, 8, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(14, 11, 8, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.nav__sigil {
  width: 36px; height: 36px;
  color: var(--color-sulphur-gold);
  flex-shrink: 0;
  object-fit: cover;
}

.nav__title {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  color: var(--color-vellum-cream);
  letter-spacing: 0.03em;
  line-height: 1;
}

.nav__title span {
  display: block;
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-sulphur-gold);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  padding: 0; margin: 0;
}

.nav__link {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-vellum-dark);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-sulphur-gold);
  background: rgba(201, 162, 39, 0.10);
}

/* ── Dropdown nav ── */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav__chevron {
  display: inline-block;
  font-style: normal;
  font-size: 0.7em;
  opacity: 0.6;
  transition: transform var(--transition-fast);
}

.nav__dropdown.is-open .nav__chevron {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(14, 11, 8, 0.97);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 6px;
  min-width: 190px;
  list-style: none;
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 901px) {
  .nav__dropdown:hover .nav__dropdown-menu,
  .nav__dropdown.is-open .nav__dropdown-menu {
    display: flex;
  }

  .nav__dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    right: 0;
    height: 6px;
  }
}

@media (max-width: 900px) {
  .nav__dropdown.is-open .nav__dropdown-menu {
    display: flex;
  }
}

.nav__dropdown-link {
  display: block;
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-vellum-dark);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav__dropdown-link:hover,
.nav__dropdown-link.active {
  color: var(--color-sulphur-gold);
  background: rgba(201, 162, 39, 0.10);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
}

.nav__hamburger-line {
  display: block;
  width: 100%; height: 2px;
  background: var(--color-vellum-cream);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] .nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 900px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(14, 11, 8, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-4);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    padding: var(--space-2) var(--space-2);
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
  }

  /* Dropdown toggle looks like a normal nav link on mobile */
  .nav__dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: var(--space-2) var(--space-2);
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
  }

  /* Sub-items inset slightly */
  .nav__dropdown-menu {
    position: static;
    transform: none;
    background: rgba(255, 255, 255, 0.03);
    border: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    min-width: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav__dropdown-link {
    padding: var(--space-1) calc(var(--space-2) + var(--space-2));
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: var(--text-sm);
  }

  .nav__dropdown-link:last-child {
    border-bottom: 1px solid var(--color-border);
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-8)) var(--space-4) var(--space-8);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201, 162, 39, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(139, 26, 26, 0.08) 0%, transparent 60%),
    var(--color-furnace-black);
  z-index: 0;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='400' height='400' viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding-bottom: var(--space-16);
}

.hero__emblem {
  width: 160px; height: 160px;
  margin: 0 auto var(--space-6);
  color: var(--color-sulphur-gold);
  opacity: 0.85;
}

.hero__eyebrow {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
  margin-bottom: var(--space-3);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  color: var(--color-vellum-cream);
  margin-bottom: var(--space-3);
  line-height: 1.1;
}

.hero__title em {
  font-style: italic;
  color: var(--color-sulphur-gold);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  animation: fadeInUp 1s ease 1.5s both;
}

.hero__scroll-arrow {
  width: 20px; height: 20px;
  border-right: 1px solid var(--color-text-muted);
  border-bottom: 1px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: riseAndFade 2s ease-in-out infinite;
}

/* ============================================================
   CONTENT CARDS
   ============================================================ */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-sulphur-gold);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  border-color: var(--color-border-strong);
}

.card--cinnabar {
  border-top-color: var(--color-cinnabar-red);
}

.card--vitriol {
  border-top-color: var(--color-vitriol-green);
}

.card--silver {
  border-top-color: var(--color-silver);
}

.card--azure {
  border-top-color: var(--color-azure-light);
}

.card__symbol {
  font-size: var(--text-2xl);
  color: var(--color-sulphur-gold);
  margin-bottom: var(--space-2);
  line-height: 1;
}

.card__label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
  margin-bottom: var(--space-1);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-vellum-cream);
  margin-bottom: var(--space-2);
}

.card__body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ============================================================
   TWO-COLUMN LAYOUT (Theological ↔ Alchemical)
   ============================================================ */

.two-col {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-4);
  align-items: start;
}

.two-col__left,
.two-col__right {
  padding: var(--space-4);
}

.two-col__divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: var(--space-6);
  gap: var(--space-2);
}

.two-col__divider-line {
  width: 1px;
  flex: 1;
  min-height: 40px;
  background: var(--color-border);
}

.two-col__divider-glyph {
  font-size: var(--text-lg);
  color: var(--color-sulphur-gold);
  opacity: 0.7;
  writing-mode: horizontal-tb;
}

.two-col__label {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-2);
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
  }
  .two-col__divider {
    flex-direction: row;
    padding-top: 0;
    padding-block: var(--space-2);
  }
  .two-col__divider-line {
    height: 1px;
    width: auto;
    flex: 1;
    min-height: unset;
  }
}

/* ============================================================
   EPIGRAPH / PULL QUOTE
   ============================================================ */

.epigraph {
  text-align: center;
  max-width: 680px;
  margin: var(--space-8) auto;
  padding: var(--space-6) var(--space-4);
  position: relative;
}

.epigraph::before,
.epigraph::after {
  content: '';
  display: block;
  width: 60px; height: 1px;
  background: var(--color-border-strong);
  margin: 0 auto var(--space-4);
}

.epigraph::after {
  margin: var(--space-4) auto 0;
}

.epigraph__text {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-3);
}

.epigraph__source {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
  opacity: 0.80;
}

/* ============================================================
   GLOSSARY ITEM
   ============================================================ */

.glossary-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.glossary-item:last-child {
  border-bottom: none;
}

.glossary-item__symbol {
  font-size: var(--text-xl);
  color: var(--color-sulphur-gold);
  text-align: center;
  padding-top: 2px;
  line-height: 1;
}

.glossary-item__content {}

.glossary-item__latin {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-vellum-cream);
  margin-bottom: 2px;
}

.glossary-item__english {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
  margin-bottom: var(--space-1);
}

.glossary-item__theological {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ============================================================
   STAGE PROGRESS INDICATOR
   ============================================================ */

.stage-indicator {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-4) 0;
}

.stage-indicator__stage {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  text-align: center;
  border-right: 1px solid var(--color-border);
  position: relative;
  transition: background var(--transition-fast);
}

.stage-indicator__stage:last-child {
  border-right: none;
}

.stage-indicator__stage.active {
  background: rgba(201, 162, 39, 0.12);
}

.stage-indicator__stage.complete {
  background: rgba(201, 162, 39, 0.06);
}

.stage-indicator__glyph {
  font-size: var(--text-lg);
  display: block;
  margin-bottom: 2px;
}

.stage-indicator__img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  object-position: center center;
  display: block;
  margin-bottom: 4px;
  filter: saturate(0.2) brightness(0.6);
  transition: filter var(--transition-base);
}

.stage-indicator__stage.active .stage-indicator__img {
  filter: none;
}

.stage-indicator__stage.completed .stage-indicator__img {
  filter: saturate(0.35) brightness(0.7);
}

.stage-indicator__name {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.stage-indicator__stage.active .stage-indicator__name {
  color: var(--color-sulphur-gold);
}

@media (max-width: 600px) {
  .stage-indicator {
    flex-direction: column;
  }
  .stage-indicator__stage {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }
  .stage-indicator__stage:last-child {
    border-bottom: none;
  }
  .stage-indicator__glyph {
    margin-bottom: 0;
  }
  .stage-indicator__img {
    width: 72px;
    height: 56px;
    flex-shrink: 0;
    margin-bottom: 0;
  }
}

/* ============================================================
   FOOTNOTES / ENDNOTES
   ============================================================ */

sup.footnote-ref {
  font-family: var(--font-label);
  font-size: 0.65em;
  vertical-align: super;
  color: var(--color-sulphur-gold);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--transition-fast);
}

sup.footnote-ref:hover {
  color: var(--color-sulphur-light);
}

.footnotes {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.footnotes__title {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.footnote {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.footnote__number {
  font-family: var(--font-label);
  color: var(--color-sulphur-gold);
  font-size: 0.7em;
  padding-top: 3px;
}

/* ============================================================
   EMBLEM FIGURE
   ============================================================ */

.emblem-figure {
  text-align: center;
  margin: var(--space-6) auto;
}

.emblem-figure__image {
  display: block;
  margin: 0 auto var(--space-3);
  max-width: 100%;
}

.emblem-figure figcaption,
.emblem-figure__caption {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ============================================================
   TRANSITION PANEL (between stage pages)
   ============================================================ */

.transition-panel {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-sulphur-gold);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-8) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.transition-panel__text {
  font-family: var(--font-body);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

.transition-panel__arrow {
  font-size: var(--text-xl);
  color: var(--color-sulphur-gold);
  flex-shrink: 0;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.transition-panel__arrow:hover {
  transform: translateX(4px);
  color: var(--color-sulphur-light);
}

/* ============================================================
   SITE FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-bg-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-4) var(--space-6);
  text-align: center;
}

.site-footer__sigil {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-4);
  color: var(--color-sulphur-gold);
  opacity: 0.5;
  object-fit: cover;
}

.site-footer__latin {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.site-footer__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  list-style: none;
  padding: 0;
}

.site-footer__link {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.site-footer__link:hover {
  color: var(--color-sulphur-gold);
}

.site-footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* ============================================================
   SCROLL TO TOP BUTTON
   ============================================================ */

.scroll-to-top {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-overlay);
  width: 44px; height: 44px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--text-md);
  color: var(--color-sulphur-gold);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    background var(--transition-fast);
}

.scroll-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: rgba(201, 162, 39, 0.15);
  box-shadow: var(--shadow-gold);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn--primary {
  background: var(--color-sulphur-gold);
  color: var(--color-furnace-black);
  border-color: var(--color-sulphur-gold);
}

.btn--primary:hover {
  background: var(--color-sulphur-light);
  border-color: var(--color-sulphur-light);
  color: var(--color-furnace-black);
  box-shadow: var(--shadow-gold);
}

.btn--outline {
  background: transparent;
  color: var(--color-sulphur-gold);
  border-color: var(--color-border-strong);
}

.btn--outline:hover {
  background: rgba(201, 162, 39, 0.10);
  border-color: var(--color-sulphur-gold);
  color: var(--color-sulphur-light);
}

/* ============================================================
   MODULE HUB CARDS (home page navigation grid)
   ============================================================ */

.module-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  text-decoration: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.module-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  border-color: var(--color-border-strong);
}

.module-card__phase {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-sulphur-gold);
}

.module-card--nigredo    .module-card__phase { background: #1a1a1a; border-top: 1px solid var(--color-border); }
.module-card--albedo     .module-card__phase { background: var(--color-silver); }
.module-card--citrinitas .module-card__phase { background: #c9a227; }
.module-card--rubedo     .module-card__phase { background: var(--color-cinnabar-red); }
.module-card--index      .module-card__phase { background: linear-gradient(90deg, #4a3a8a 0%, #7a6abf 100%); }
.module-card--index { border-color: rgba(122, 106, 191, 0.30); flex-direction: row; align-items: center; gap: var(--space-4); }
.module-card--index .module-card__glyph { font-size: 3rem; flex-shrink: 0; }
.module-card--index .module-card__desc { margin-top: 0; }

.module-card__glyph {
  font-size: 2.5rem;
  line-height: 1;
}

.module-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-vellum-cream);
}

.module-card__sub {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-sulphur-gold);
}

.module-card__desc {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-top: auto;
}

/* ============================================================
   LAZY IMAGE LOADING — shimmer placeholders
   ============================================================ */

/* Module cards: gold-on-dark shimmer while background image is fetching.
   The [data-bg] attribute is set in HTML; JS applies the real background
   once the image has loaded and adds .is-bg-loaded to stop the shimmer. */
.module-card[data-bg]:not(.is-bg-loaded) {
  background: linear-gradient(
    110deg,
    rgba(14, 11, 8, 1) 0%,
    rgba(38, 29, 9, 1) 30%,
    rgba(58, 44, 8, 0.95) 50%,
    rgba(38, 29, 9, 1) 70%,
    rgba(14, 11, 8, 1) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s ease-in-out infinite;
}

/* <img> elements: shimmer shows through while the image is downloading
   (browsers render CSS background-color/background on img elements during load).
   JS adds .img-lazy via initImageFade(), then .is-loaded on the load event. */
img.img-lazy {
  background: linear-gradient(
    110deg,
    rgba(20, 16, 10, 1) 0%,
    rgba(42, 32, 9, 0.85) 35%,
    rgba(60, 46, 8, 0.75) 50%,
    rgba(42, 32, 9, 0.85) 65%,
    rgba(20, 16, 10, 1) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
}

img.img-lazy.is-loaded {
  animation: none;
  background: transparent;
}