/* ============================================================
   NAHUAS.COM - Visual Enhancement Layer
   SVG Patterns, Illustrations, Galleries, Decorative Elements
   ============================================================ */

/* ---------- Mesoamerican Pattern Backgrounds ---------- */
.pattern-step-fret {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cpath d='M0 0h20v20h20v20H20v20H0V40h20V20H0V0zm40 0h20v20h20v20H60v20H40V40h20V20H40V0z' fill='%23d4a843' fill-opacity='0.06'/%3E%3C/svg%3E");
}

.pattern-serpent {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cpath d='M0 30c10 0 10-10 20-10s10 10 20 10 10-10 20-10' stroke='%232d6a4f' stroke-opacity='0.08' stroke-width='2' fill='none'/%3E%3Cpath d='M0 50c10 0 10-10 20-10s10 10 20 10 10-10 20-10' stroke='%23d4a843' stroke-opacity='0.06' stroke-width='2' fill='none'/%3E%3Cpath d='M0 10c10 0 10-10 20-10s10 10 20 10 10-10 20-10' stroke='%232a9d8f' stroke-opacity='0.06' stroke-width='2' fill='none'/%3E%3C/svg%3E");
}

.pattern-pyramid {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpolygon points='50,10 90,90 10,90' fill='none' stroke='%23d4a843' stroke-opacity='0.05' stroke-width='1.5'/%3E%3Cpolygon points='50,25 80,80 20,80' fill='none' stroke='%232d6a4f' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");
}

.pattern-codex {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Ccircle cx='60' cy='60' r='40' fill='none' stroke='%23d4a843' stroke-opacity='0.04' stroke-width='1'/%3E%3Ccircle cx='60' cy='60' r='25' fill='none' stroke='%232d6a4f' stroke-opacity='0.04' stroke-width='1'/%3E%3Ccircle cx='60' cy='60' r='10' fill='none' stroke='%23c1440e' stroke-opacity='0.04' stroke-width='1'/%3E%3Cline x1='60' y1='20' x2='60' y2='100' stroke='%23d4a843' stroke-opacity='0.03' stroke-width='0.5'/%3E%3Cline x1='20' y1='60' x2='100' y2='60' stroke='%23d4a843' stroke-opacity='0.03' stroke-width='0.5'/%3E%3Cline x1='31.72' y1='31.72' x2='88.28' y2='88.28' stroke='%23d4a843' stroke-opacity='0.03' stroke-width='0.5'/%3E%3Cline x1='88.28' y1='31.72' x2='31.72' y2='88.28' stroke='%23d4a843' stroke-opacity='0.03' stroke-width='0.5'/%3E%3C/svg%3E");
}

.pattern-diamond {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='48' viewBox='0 0 48 48'%3E%3Cpath d='M24 4L44 24L24 44L4 24Z' fill='none' stroke='%23d4a843' stroke-opacity='0.06' stroke-width='1'/%3E%3Cpath d='M24 12L36 24L24 36L12 24Z' fill='none' stroke='%232d6a4f' stroke-opacity='0.04' stroke-width='0.75'/%3E%3C/svg%3E");
}

.pattern-waves {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='30' viewBox='0 0 120 30'%3E%3Cpath d='M0 15c15-15 15-15 30 0s15 15 30 0 15-15 30 0 15 15 30 0' fill='none' stroke='%232a9d8f' stroke-opacity='0.07' stroke-width='1.5'/%3E%3C/svg%3E");
}

/* ---------- Mesoamerican Section Dividers ---------- */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg) 0;
  gap: var(--space-md);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-gold), transparent);
}

.divider__glyph {
  font-size: 1.5rem;
  color: var(--color-gold);
  line-height: 1;
}

.divider--ornate {
  padding: var(--space-xl) 0;
}

.divider--ornate::before,
.divider--ornate::after {
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-gold) 30%, var(--color-terracotta) 50%, var(--color-gold) 70%, transparent);
}

.divider--ornate .divider__glyph {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  font-size: 1.75rem;
  background: var(--color-bg);
  position: relative;
}

.divider--jade::before,
.divider--jade::after {
  background: linear-gradient(to right, transparent, var(--color-jade), transparent);
}

/* ---------- Visual Hero Enhancements ---------- */
.hero--visual {
  min-height: 100vh;
}

.hero--visual::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
  z-index: 1;
}

.hero__floating-glyphs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero__floating-glyphs span {
  position: absolute;
  font-size: 2rem;
  opacity: 0.06;
  animation: floatGlyph 20s infinite linear;
}

.hero__floating-glyphs span:nth-child(1) { left: 5%; top: 20%; animation-delay: 0s; animation-duration: 25s; font-size: 2.5rem; }
.hero__floating-glyphs span:nth-child(2) { left: 15%; top: 60%; animation-delay: -4s; animation-duration: 22s; font-size: 1.8rem; }
.hero__floating-glyphs span:nth-child(3) { left: 25%; top: 30%; animation-delay: -8s; animation-duration: 28s; font-size: 3rem; }
.hero__floating-glyphs span:nth-child(4) { left: 40%; top: 70%; animation-delay: -2s; animation-duration: 20s; font-size: 2rem; }
.hero__floating-glyphs span:nth-child(5) { left: 55%; top: 15%; animation-delay: -6s; animation-duration: 24s; font-size: 2.2rem; }
.hero__floating-glyphs span:nth-child(6) { left: 65%; top: 50%; animation-delay: -10s; animation-duration: 26s; font-size: 1.5rem; }
.hero__floating-glyphs span:nth-child(7) { left: 75%; top: 25%; animation-delay: -3s; animation-duration: 23s; font-size: 2.8rem; }
.hero__floating-glyphs span:nth-child(8) { left: 85%; top: 65%; animation-delay: -7s; animation-duration: 21s; font-size: 2rem; }
.hero__floating-glyphs span:nth-child(9) { left: 92%; top: 40%; animation-delay: -12s; animation-duration: 27s; font-size: 1.6rem; }
.hero__floating-glyphs span:nth-child(10) { left: 50%; top: 80%; animation-delay: -15s; animation-duration: 30s; font-size: 3.2rem; }

@keyframes floatGlyph {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.04; }
  25% { opacity: 0.08; }
  50% { transform: translateY(-30px) rotate(10deg); opacity: 0.04; }
  75% { opacity: 0.07; }
  100% { transform: translateY(0) rotate(0deg); opacity: 0.04; }
}

/* ---------- Image Gallery / Visual Grid ---------- */
.visual-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.visual-gallery--3col {
  grid-template-columns: repeat(2, 1fr);
}

.visual-gallery__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-jade-dark), var(--color-obsidian));
  cursor: pointer;
}

.visual-gallery__item--wide {
  grid-column: span 2;
  aspect-ratio: 2/1;
}

.visual-gallery__item--tall {
  grid-row: span 2;
}

.visual-gallery__item .gallery-svg {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.visual-gallery__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--color-white);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.visual-gallery__item:hover .visual-gallery__caption {
  transform: translateY(0);
}

.visual-gallery__caption h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.visual-gallery__caption p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  margin: 0;
}

@media (min-width: 640px) {
  .visual-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
  .visual-gallery--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .visual-gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- SVG Illustration Cards ---------- */
.illustration-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.illustration-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.illustration-card__visual {
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.illustration-card__visual svg {
  width: 100%;
  height: 100%;
}

.illustration-card__body {
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
}

.illustration-card__tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-sand);
  color: var(--color-primary-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.illustration-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.illustration-card__desc {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.illustration-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
}

.illustration-card__link::after {
  content: '\2192';
  transition: transform var(--transition-fast);
}

.illustration-card:hover .illustration-card__link::after {
  transform: translateX(4px);
}

/* ---------- Deity Visual Panels ---------- */
.deity-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.deity-panel__visual {
  aspect-ratio: 1;
  max-height: 350px;
  overflow: hidden;
  position: relative;
}

.deity-panel__visual svg {
  width: 100%;
  height: 100%;
}

.deity-panel__content {
  padding: var(--space-xl);
}

.deity-panel__name {
  font-family: var(--font-primary);
  font-size: var(--text-3xl);
  margin-bottom: var(--space-xs);
}

.deity-panel__epithet {
  font-size: var(--text-lg);
  color: var(--color-gold-dark);
  font-style: italic;
  font-family: var(--font-primary);
  margin-bottom: var(--space-lg);
}

.deity-panel__attributes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.deity-panel__attr-tag {
  padding: 4px 12px;
  background: var(--color-sand);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-dark);
}

.deity-panel__desc {
  color: var(--color-text-secondary);
  line-height: 1.8;
  font-size: var(--text-base);
}

.deity-panel__symbolism {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.deity-panel__symbolism h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-sm);
}

.deity-panel__symbols {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.deity-panel__symbol-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.deity-panel__symbol-item .symbol-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .deity-panel {
    grid-template-columns: 300px 1fr;
  }
}

@media (min-width: 1024px) {
  .deity-panel {
    grid-template-columns: 380px 1fr;
  }
}

/* ---------- Cosmology Diagram ---------- */
.cosmology-diagram {
  max-width: 700px;
  margin: var(--space-2xl) auto;
  text-align: center;
}

.cosmology-diagram svg {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 0 auto;
  display: block;
}

.cosmology-diagram__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-md);
  font-style: italic;
}

/* ---------- Five Suns Visual ---------- */
.five-suns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.sun-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.sun-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.sun-card__visual {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.sun-card__visual svg {
  width: 100%;
  height: 100%;
}

.sun-card__number {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: var(--text-lg);
  z-index: 2;
}

.sun-card__body {
  padding: var(--space-lg) var(--space-xl);
}

.sun-card__nahuatl {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--color-gold-dark);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.sun-card__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.sun-card__deity {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.sun-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.sun-card__destruction {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(193, 68, 14, 0.08);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-terracotta);
}

@media (min-width: 640px) {
  .five-suns-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .five-suns-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .five-suns-grid .sun-card:last-child {
    grid-column: span 1;
  }
}

/* ---------- Portrait Illustrations ---------- */
.portrait-frame {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  border: 4px solid var(--color-gold);
  box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.15), var(--shadow-lg);
}

.portrait-frame svg {
  width: 100%;
  height: 100%;
}

.portrait-frame--lg {
  width: 220px;
  height: 220px;
}

.portrait-frame--sm {
  width: 120px;
  height: 120px;
  border-width: 3px;
}

/* ---------- Visual Stat Cards ---------- */
.visual-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.visual-stat {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.visual-stat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.visual-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.visual-stat:nth-child(1)::before { background: var(--color-jade); }
.visual-stat:nth-child(2)::before { background: var(--color-gold); }
.visual-stat:nth-child(3)::before { background: var(--color-turquoise); }
.visual-stat:nth-child(4)::before { background: var(--color-terracotta); }

.visual-stat__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-md);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.visual-stat:nth-child(1) .visual-stat__icon { background: rgba(45, 106, 79, 0.1); }
.visual-stat:nth-child(2) .visual-stat__icon { background: rgba(212, 168, 67, 0.1); }
.visual-stat:nth-child(3) .visual-stat__icon { background: rgba(42, 157, 143, 0.1); }
.visual-stat:nth-child(4) .visual-stat__icon { background: rgba(193, 68, 14, 0.1); }

.visual-stat__number {
  font-family: var(--font-primary);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.visual-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

@media (min-width: 640px) {
  .visual-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Banner with Illustration ---------- */
.visual-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  margin: var(--space-2xl) 0;
}

.visual-banner__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.visual-banner__bg svg {
  width: 100%;
  height: 100%;
}

.visual-banner__content {
  position: relative;
  z-index: 2;
  padding: var(--space-2xl);
  max-width: 600px;
  color: var(--color-white);
}

.visual-banner__content h3 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.visual-banner__content p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
}

/* ---------- Calendar Visual Enhancements ---------- */
.calendar-visual {
  position: relative;
  max-width: 500px;
  margin: var(--space-2xl) auto;
}

.calendar-ring {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
}

.calendar-ring svg {
  width: 100%;
  height: 100%;
}

/* ---------- Day Sign Cards ---------- */
.day-signs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.day-sign {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.day-sign:hover {
  background: var(--color-sand-light);
  border-color: var(--color-gold);
}

.day-sign__glyph {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-sand), var(--color-cream));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 1px solid var(--color-gold);
}

.day-sign__info {
  min-width: 0;
}

.day-sign__nahuatl {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.day-sign__meaning {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

@media (min-width: 640px) {
  .day-signs-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .day-signs-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* ---------- Visual Timeline Enhancements ---------- */
.timeline--visual .timeline-item__dot {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border-width: 3px;
  left: -2px;
}

.timeline--visual .timeline-item {
  padding-left: 68px;
}

.timeline--visual .timeline-item__card {
  position: relative;
  overflow: hidden;
}

.timeline--visual .timeline-item__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.timeline--visual .timeline-item[data-era="migration"] .timeline-item__dot { border-color: var(--color-jade); background: rgba(45, 106, 79, 0.1); }
.timeline--visual .timeline-item[data-era="migration"] .timeline-item__card::before { background: var(--color-jade); }
.timeline--visual .timeline-item[data-era="triple"] .timeline-item__dot { border-color: var(--color-gold); background: rgba(212, 168, 67, 0.1); }
.timeline--visual .timeline-item[data-era="triple"] .timeline-item__card::before { background: var(--color-gold); }
.timeline--visual .timeline-item[data-era="colonial"] .timeline-item__dot { border-color: var(--color-terracotta); background: rgba(193, 68, 14, 0.1); }
.timeline--visual .timeline-item[data-era="colonial"] .timeline-item__card::before { background: var(--color-terracotta); }
.timeline--visual .timeline-item[data-era="modern"] .timeline-item__dot { border-color: var(--color-turquoise); background: rgba(42, 157, 143, 0.1); }
.timeline--visual .timeline-item[data-era="modern"] .timeline-item__card::before { background: var(--color-turquoise); }

@media (min-width: 1024px) {
  .timeline--visual .timeline-item__dot {
    left: auto;
  }
  .timeline--visual .timeline-item:nth-child(odd) .timeline-item__dot {
    right: -22px;
  }
  .timeline--visual .timeline-item:nth-child(even) .timeline-item__dot {
    left: -22px;
  }
  .timeline--visual .timeline-item:nth-child(odd) {
    padding-right: 68px;
    padding-left: 0;
  }
  .timeline--visual .timeline-item:nth-child(even) {
    padding-left: 68px;
  }
}

/* ---------- Illustrated Feature Sections ---------- */
.feature-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin: var(--space-3xl) 0;
}

.feature-split--reverse .feature-split__visual {
  order: -1;
}

.feature-split__visual {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.feature-split__visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.feature-split__content h3 {
  margin-bottom: var(--space-md);
}

.feature-split__content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.feature-split__list {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.feature-split__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.feature-split__list li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  flex-shrink: 0;
  margin-top: 6px;
}

@media (min-width: 768px) {
  .feature-split {
    grid-template-columns: 1fr 1fr;
  }
  .feature-split--reverse .feature-split__visual {
    order: 1;
  }
}

/* ---------- Glowing Accent Elements ---------- */
.glow-jade {
  box-shadow: 0 0 30px rgba(45, 106, 79, 0.15);
}

.glow-gold {
  box-shadow: 0 0 30px rgba(212, 168, 67, 0.2);
}

.glow-turquoise {
  box-shadow: 0 0 30px rgba(42, 157, 143, 0.15);
}

/* ---------- Animated Counters ---------- */
.counter-animated {
  font-variant-numeric: tabular-nums;
}

/* ---------- Visual Quote Block ---------- */
.visual-quote {
  position: relative;
  padding: var(--space-2xl) var(--space-xl);
  background: linear-gradient(135deg, var(--color-sand-light), var(--color-cream));
  border-radius: var(--radius-xl);
  margin: var(--space-2xl) 0;
  border: 1px solid var(--color-gold);
  overflow: hidden;
}

.visual-quote::before {
  content: '\201C';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 8rem;
  font-family: var(--font-primary);
  color: var(--color-gold);
  opacity: 0.2;
  line-height: 1;
}

.visual-quote__text {
  font-family: var(--font-primary);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-primary-dark);
  line-height: 1.6;
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
}

.visual-quote__text--nahuatl {
  font-size: var(--text-lg);
  color: var(--color-gold-dark);
  margin-bottom: var(--space-lg);
}

.visual-quote__attribution {
  font-family: var(--font-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  position: relative;
  z-index: 1;
}

/* ---------- Process / Steps Visual ---------- */
.visual-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  position: relative;
}

.visual-step {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.visual-step__marker {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
}

.visual-step:nth-child(1) .visual-step__marker { background: rgba(45, 106, 79, 0.1); border: 2px solid var(--color-jade); }
.visual-step:nth-child(2) .visual-step__marker { background: rgba(212, 168, 67, 0.1); border: 2px solid var(--color-gold); }
.visual-step:nth-child(3) .visual-step__marker { background: rgba(42, 157, 143, 0.1); border: 2px solid var(--color-turquoise); }
.visual-step:nth-child(4) .visual-step__marker { background: rgba(193, 68, 14, 0.1); border: 2px solid var(--color-terracotta); }

.visual-step__content h4 {
  margin-bottom: var(--space-xs);
}

.visual-step__content p {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .visual-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .visual-steps {
    grid-template-columns: repeat(4, 1fr);
  }
  .visual-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-sticky);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ---------- Codex Page Visual ---------- */
.codex-viewer {
  background: var(--color-sand);
  border: 3px solid var(--color-gold);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin: var(--space-xl) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.codex-viewer__scroll {
  display: flex;
  gap: var(--space-md);
  min-width: max-content;
}

.codex-viewer__page {
  width: 220px;
  height: 300px;
  flex-shrink: 0;
  background: var(--color-cream);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.codex-viewer__page svg {
  width: 100%;
  height: 100%;
}

/* ---------- Image Comparison Slider ---------- */
.comparison-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.comparison-slider__before,
.comparison-slider__after {
  width: 100%;
  display: block;
}

.comparison-slider__after {
  position: absolute;
  top: 0;
  left: 0;
  clip-path: inset(0 50% 0 0);
}

/* ---------- Scroll Reveal Enhancements ---------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Glyph Showcase Grid ---------- */
.glyph-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin: var(--space-xl) 0;
}

.glyph-showcase__item {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
}

.glyph-showcase__item:hover {
  background: var(--color-sand-light);
  border-color: var(--color-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.glyph-showcase__symbol {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.glyph-showcase__name {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-dark);
}

.glyph-showcase__desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

@media (min-width: 640px) {
  .glyph-showcase {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 1024px) {
  .glyph-showcase {
    grid-template-columns: repeat(10, 1fr);
  }
}

/* ---------- Masonry-Style Gallery ---------- */
.masonry-gallery {
  columns: 2;
  column-gap: var(--space-md);
}

.masonry-gallery__item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.masonry-gallery__item:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.masonry-gallery__visual {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.masonry-gallery__visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.masonry-gallery__body {
  padding: var(--space-md) var(--space-lg);
}

.masonry-gallery__title {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.masonry-gallery__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .masonry-gallery {
    columns: 3;
  }
}

/* ---------- Horizontal Scroll Section ---------- */
.hscroll-section {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-md) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gold) transparent;
}

.hscroll-section::-webkit-scrollbar {
  height: 6px;
}

.hscroll-section::-webkit-scrollbar-thumb {
  background: var(--color-gold);
  border-radius: 3px;
}

.hscroll-section__track {
  display: flex;
  gap: var(--space-lg);
  min-width: max-content;
  padding: var(--space-xs);
}

.hscroll-card {
  width: 300px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.hscroll-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.hscroll-card__visual {
  height: 180px;
  overflow: hidden;
  position: relative;
}

.hscroll-card__visual svg {
  width: 100%;
  height: 100%;
}

.hscroll-card__body {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.hscroll-card__title {
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.hscroll-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---------- Before/After Toggle ---------- */
.era-toggle {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.era-toggle__btn {
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  font-family: var(--font-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.era-toggle__btn:hover {
  border-color: var(--color-gold);
  color: var(--color-primary-dark);
}

.era-toggle__btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ---------- Knowledge Path Visual ---------- */
.knowledge-path {
  position: relative;
  padding: var(--space-2xl) 0;
}

.knowledge-path::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
  transform: translateX(-50%);
}

.knowledge-path__node {
  position: relative;
  max-width: 500px;
  margin: var(--space-xl) auto;
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  text-align: center;
}

.knowledge-path__node::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid var(--color-bg);
  transform: translateX(-50%);
  box-shadow: var(--shadow-sm);
}

.knowledge-path__node h4 {
  margin-bottom: var(--space-xs);
}

.knowledge-path__node p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ---------- Animated Border ---------- */
@keyframes borderGlow {
  0%, 100% { border-color: var(--color-gold); box-shadow: 0 0 8px rgba(212, 168, 67, 0.2); }
  50% { border-color: var(--color-jade); box-shadow: 0 0 8px rgba(45, 106, 79, 0.2); }
}

.animate-border {
  animation: borderGlow 4s ease-in-out infinite;
}

/* ---------- Responsive Visual Adjustments ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero__floating-glyphs span {
    animation: none !important;
    opacity: 0.04;
  }
}

@media (prefers-color-scheme: dark) {
  .sun-card,
  .illustration-card,
  .deity-panel,
  .day-sign,
  .visual-stat {
    background: var(--color-surface);
    border-color: var(--color-border);
  }

  .visual-quote {
    background: linear-gradient(135deg, rgba(212, 168, 67, 0.05), rgba(45, 106, 79, 0.05));
    border-color: rgba(212, 168, 67, 0.3);
  }

  .day-sign__glyph {
    background: linear-gradient(135deg, rgba(212, 168, 67, 0.1), rgba(245, 240, 232, 0.05));
    border-color: rgba(212, 168, 67, 0.3);
  }
}