.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-lg);
  background: var(--color-white);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.navbar-logo {
  font-size: 1.5rem;
}

.navbar-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
}

.navbar-links {
  display: flex;
  gap: var(--sp-lg);
}

.nav-link {
  font-weight: 600;
  color: var(--color-text-soft);
  padding: var(--sp-xs) var(--sp-sm);
  border-radius: var(--r-btn);
  transition: all 0.2s;
}

.nav-link:hover {
  background: var(--color-page-bg);
  color: var(--color-text);
}

.hero-header {
  padding: 0;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: background 0.5s ease;
  background: linear-gradient(135deg, #1a365d 0%, #2c5282 50%, #3182ce 100%);
  padding-top: 50px;
  padding-bottom: 20px;
}

.hero-header[data-area="mat"] {
  background: linear-gradient(135deg, #1a3a5c 0%, #1a3a5c 100%);
}
.hero-header[data-area="lc"] {
  background: linear-gradient(135deg, #5b3fa0 0%, #5b3fa0 100%);
}
.hero-header[data-area="cn"] {
  background: linear-gradient(135deg, #1e8a4a 0%, #1e8a4a 100%);
}
.hero-header[data-area="cc"] {
  background: linear-gradient(135deg, #e8a020 0%, #e8a020 100%);
}
.hero-header[data-area="ing"] {
  background: linear-gradient(135deg, #c0392b 0%, #c0392b 100%);
}

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

.hero-bg-item {
  position: absolute;
  opacity: 0.08;
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  animation: float 20s ease-in-out infinite;
  user-select: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-top {
  text-align: center;
  padding: 0.5rem 20px;
  color: white;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.hero-center {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.2rem 20px;
  width: 100%;
  box-sizing: border-box;
}

.hero-image {
  max-width: 620px;
  width: 100%;
  height: auto;
  border-radius: var(--r-card);
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
}

.hero-bottom {
  text-align: center;
  padding: 0.5rem 20px 1rem;
  color: white;
  width: 100%;
  box-sizing: border-box;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--sp-lg) var(--sp-md);
}

.hero-image {
  max-width: 680px;
  width: 100%;
  height: auto;
  border-radius: var(--r-card);
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
  color: white;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-md);
  color: white;
}

.hero-subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--sp-md);
  line-height: 1.6;
  color: white;
}

.tips-carousel {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-card);
  padding: var(--sp-md) var(--sp-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: 0.95rem;
  color: white;
}

.tips-label {
  font-weight: 600;
  opacity: 0.8;
  color: white;
}

.tip-current {
  font-style: italic;
  transition: opacity 0.3s ease;
  color: white;
}

.areas-section {
  padding: var(--sp-lg) 0 var(--sp-xl);
  margin-top: -20px;
}

.areas-section .section-title {
  text-align: center;
  font-size: 1.75rem;
  color: var(--color-text);
  margin-bottom: var(--sp-xs);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-soft);
  max-width: 500px;
  margin: 0 auto var(--sp-lg);
}

.areas-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-md);
  max-width: 1100px;
  margin: 0 auto;
  padding-top: var(--sp-md);
}

.area-card {
  background: var(--color-white);
  border-radius: var(--r-card);
  padding: var(--sp-lg) var(--sp-md);
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: all 0.3s ease;
  border-top: 4px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.area-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.area-card[data-area="mat"]:hover { border-top-color: var(--mat-accent); }
.area-card[data-area="lc"]:hover { border-top-color: var(--lc-accent); }
.area-card[data-area="cn"]:hover { border-top-color: var(--cn-accent); }
.area-card[data-area="cc"]:hover { border-top-color: var(--cc-accent); }
.area-card[data-area="ing"]:hover { border-top-color: var(--ing-accent); }

.area-card[data-area="mat"] { border-top-color: var(--mat-primary); }
.area-card[data-area="lc"] { border-top-color: var(--lc-primary); }
.area-card[data-area="cn"] { border-top-color: var(--cn-primary); }
.area-card[data-area="cc"] { border-top-color: var(--cc-primary); }
.area-card[data-area="ing"] { border-top-color: var(--ing-primary); }

.area-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-sm);
}

.area-card__icon svg {
  width: 24px;
  height: 24px;
}

/* Iconos estandarizados = emoji del catálogo único (frontend/js/subjects.js, SUBJ_ICONS) */
.area-card__icon .area-emoji {
  font-size: 26px;
  line-height: 1;
}

.area-card[data-area="mat"] .area-card__icon { background: var(--mat-light); color: var(--mat-accent); }
.area-card[data-area="lc"] .area-card__icon { background: var(--lc-light); color: var(--lc-accent); }
.area-card[data-area="cn"] .area-card__icon { background: var(--cn-light); color: var(--cn-accent); }
.area-card[data-area="cc"] .area-card__icon { background: var(--cc-light); color: var(--cc-accent); }
.area-card[data-area="ing"] .area-card__icon { background: var(--ing-light); color: var(--ing-accent); }

.area-card__name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-xs);
}

.area-card__desc {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  margin-bottom: var(--sp-sm);
  line-height: 1.4;
}

.area-card__cta {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: auto;
}

.area-card[data-area="mat"] .area-card__cta { color: var(--mat-accent); }
.area-card[data-area="lc"] .area-card__cta { color: var(--lc-accent); }
.area-card[data-area="cn"] .area-card__cta { color: var(--cn-accent); }
.area-card[data-area="cc"] .area-card__cta { color: var(--cc-accent); }
.area-card[data-area="ing"] .area-card__cta { color: var(--ing-accent); }

.site-footer {
  background: var(--color-white);
  padding: var(--sp-lg) 0;
  text-align: center;
  color: var(--color-text-soft);
  margin-top: var(--sp-xl);
  border-top: 1px solid #e2e8f0;
}

@media (max-width: 900px) {
  .areas-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .area-card:nth-child(4),
  .area-card:nth-child(5) {
    grid-column: span 1;
  }
  .area-card:nth-child(4) { grid-column: 2; }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .areas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .area-card:nth-child(4) { grid-column: 1; }
  .hero-header {
    min-height: 300px;
  }
  .navbar-links {
    gap: var(--sp-sm);
  }
  .nav-link {
    font-size: 0.9rem;
  }
}