/* ============================================
   Sub-Page (Feature Detail) Styles
   ============================================ */

/* Page Hero */
.page-hero {
  padding-top: var(--nav-height);
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 40%, #1E3A5F 100%);
  text-align: center;
  color: var(--color-text-white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

/* Breadcrumb inside page-hero (dark background) */
.page-hero .breadcrumb {
  padding: var(--space-6) 0 var(--space-4);
  color: var(--color-text-light);
  text-align: left;
  font-size: var(--text-sm);
}

.page-hero .breadcrumb a {
  color: var(--color-accent);
}

.page-hero .breadcrumb a:hover {
  color: var(--color-text-white);
}

.page-hero .breadcrumb__separator {
  color: rgba(255, 255, 255, 0.3);
}

.page-hero__icon {
  width: 80px;
  height: 80px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto var(--space-6);
}

.page-hero h1 {
  color: var(--color-text-white);
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: var(--color-text-light);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature List */
.feature-list {
  padding: var(--space-24) 0;
}

.feature-list__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-10);
}

.feature-list__item {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
  padding: var(--space-6);
  border-radius: var(--border-radius-md);
  background: var(--color-text-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.feature-list__item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-list__item-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-light);
}

.feature-list__item-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.feature-list__item-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Page Highlights */
.page-highlights {
  padding: var(--space-24) 0;
  background: var(--color-bg-dark);
}

.page-highlights__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.page-highlight {
  text-align: center;
  padding: var(--space-8);
}

.page-highlight__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--space-4);
}

.page-highlight__title {
  color: var(--color-text-white);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.page-highlight__desc {
  color: var(--color-text-light);
  font-size: var(--text-sm);
}

/* Page Bottom CTA */
.page-bottom-cta {
  padding: var(--space-16) 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}