/**
 * CleanMyBed Homepage - Section Styles
 *
 * Homepage-specific section styling.
 * Uses tokens from tokens.css - NO raw hex values.
 *
 * Reference: docs/reference-guides-sops-faqs/CSS-ARCHITECTURE.md
 */

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

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-dark) 100%);
  transition: background var(--transition-base);
}

.site-nav.scrolled {
  background: var(--color-brand-primary-dark);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  max-width: var(--container-wide);
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-primary);
}

.nav-logo img {
  height: 48px;
  width: auto;
}

@media (max-width: 639px) {
  .nav-logo img {
    height: 40px;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-inverse-muted);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-inverse);
}

.nav-cta {
  margin-left: var(--space-4);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-inverse);
  margin: 5px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 96px;
    left: 0;
    right: 0;
    background: var(--color-brand-primary-dark);
    padding: var(--space-6);
    gap: var(--space-4);
    box-shadow: var(--shadow-lg);
  }

  .nav-cta {
    margin-left: 0;
    width: 100%;
  }
}


/* ===========================================
   HERO SECTION
   Uses global .split layout
   =========================================== */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 96px; /* Account for fixed nav */
  background: linear-gradient(135deg, var(--surface-1) 0%, var(--surface-0) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, var(--color-brand-primary) 0%, transparent 70%);
  opacity: 0.03;
  pointer-events: none;
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 1;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero-text {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: calc(96px + var(--space-8));
    padding-bottom: var(--space-10);
  }

  .hero-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
  }

  .hero-chips {
    margin-bottom: var(--space-6);
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--space-3);
  }

  .hero-cta .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
  }

  .hero-stat-value {
    font-size: var(--font-size-2xl);
  }
}


/* ===========================================
   BENEFITS SECTION
   Uses global .grid--3 layout
   =========================================== */

.benefit-card {
  text-align: center;
  padding: var(--space-8);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.benefit-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.benefit-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

.benefit-text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}


/* ===========================================
   EXPLAINER SECTION
   Uses global .split layout
   =========================================== */

.explainer {
  background-color: var(--surface-1);
}

.explainer-content h2 {
  margin-bottom: var(--space-6);
}


/* ===========================================
   FEATURED ARTICLES
   =========================================== */

.featured-articles {
  background-color: var(--surface-0);
}

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

.article-card {
  background-color: var(--surface-0);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.article-image {
  width: 100%;
  aspect-ratio: 16/10;
  background-color: var(--surface-2);
  object-fit: cover;
}

.article-image-placeholder {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--border-strong) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-3xl);
}

.article-body {
  padding: var(--space-6);
}

.article-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brand-primary);
  margin-bottom: var(--space-2);
}

.article-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
}

.article-excerpt {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}


/* ===========================================
   ENDORSEMENT QUOTE
   =========================================== */

.endorsement {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-dark) 100%);
  color: var(--text-inverse);
  text-align: center;
}

.endorsement blockquote {
  max-width: 900px;
  margin: 0 auto;
}

.endorsement-quote {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-light);
  font-style: italic;
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-8);
}

.endorsement-quote::before {
  content: '"';
  font-size: 3rem;
  display: block;
  opacity: 0.3;
  margin-bottom: var(--space-2);
}

.endorsement-author {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

.endorsement-title {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}


/* ===========================================
   WHY SECTION
   Uses global .grid--2 layout
   =========================================== */

.why-section {
  background-color: var(--surface-1);
}

/* Card content padding when using global .card */
.why-section .card {
  padding: var(--space-10);
}

.why-section .card h3 {
  margin-bottom: var(--space-4);
}

.why-section .card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}


/* ===========================================
   TESTIMONIALS
   Uses global .grid--4 and .review-card
   =========================================== */

.testimonials {
  background-color: var(--surface-0);
}


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

.site-footer {
  background-color: var(--surface-dark);
  color: var(--text-muted);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 280px;
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-inverse);
  margin-bottom: var(--space-4);
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-inverse);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--text-secondary);
  border-radius: var(--radius-full);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-brand-primary);
  color: var(--text-inverse);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
  }
}


/* Section headers now use global .section__header from layouts.css */