/* =============================================================
   HomeKitchen Picks — 暖木家居 Design System
   =============================================================
   Based on Tachyons CSS functional classes.
   This file adds brand personality on top of Tachyons.
   ============================================================= */

/* --- CSS Custom Properties --- */
:root {
  /* Brand colors */
  --color-primary: #C16A3D;
  --color-primary-hover: #A85732;
  --color-primary-light: #F0DED6;
  --color-secondary: #7A8B5C;
  --color-secondary-hover: #657349;
  --color-accent: #E8A75D;

  /* Backgrounds & surfaces */
  --color-bg: #FCF8F3;
  --color-surface: #FFFFFF;
  --color-footer-bg: #2C2420;
  --color-footer-text: #C4C0BA;

  /* Text */
  --color-text: #2C2420;
  --color-text-muted: #8C857B;
  --color-text-light: #B0AAA2;

  /* Borders */
  --color-border: #E8E0D8;
  --color-border-light: #F2ECE6;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.06);
  --shadow-md: 0 4px 12px rgba(44, 36, 32, 0.08);
  --shadow-lg: 0 8px 24px rgba(44, 36, 32, 0.10);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-base: 180ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Styles --- */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6,
.f1, .f2, .f3 {
  font-family: Georgia, 'Times New Roman', Times, serif;
  color: var(--color-text);
  line-height: 1.3;
}

body, .f4, .f5, .f6 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* --- Links --- */
a {
  color: var(--color-primary);
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
}

a.link {
  color: var(--color-primary);
  transition: color var(--transition-base);
}

a.link:hover {
  color: var(--color-primary-hover);
}

/* Override Ananke's blue link class */
.link.blue {
  color: var(--color-primary) !important;
}

.link.blue:hover {
  color: var(--color-primary-hover) !important;
}

.link.dark-blue {
  color: var(--color-text) !important;
}

.link.dark-blue:hover {
  color: var(--color-primary) !important;
}

/* --- Brand Header --- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.site-header .site-title {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.35rem;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-header .site-title:hover {
  color: var(--color-primary-hover);
}

.site-header .nav-link {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
  padding-bottom: 2px;
}

.site-header .nav-link:hover {
  color: var(--color-primary);
}

.site-header .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-smooth);
}

.site-header .nav-link:hover::after {
  width: 100%;
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--color-bg) 0%, #F5EDE4 100%);
  border-bottom: 1px solid var(--color-border-light);
  padding: 3rem 1rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.hero p {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

/* --- Category Pills --- */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border-radius: 50px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-base);
  text-decoration: none;
}

.category-pill:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* --- Card Styles --- */
.card-warm {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

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

/* --- Review / Article Cards --- */
.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.review-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border-light);
}

.review-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.review-card-title {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.1rem;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}

.review-card-title a {
  color: var(--color-text);
  text-decoration: none;
}

.review-card-title a:hover {
  color: var(--color-primary);
}

.review-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-light);
}

.review-card-summary {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  flex: 1;
}

/* --- Read More Link --- */
.read-more {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: gap var(--transition-base);
  gap: 4px;
}

.read-more:hover {
  color: var(--color-primary-hover);
  gap: 6px;
}

.read-more::after {
  content: '\2192';
  transition: transform var(--transition-base);
}

.read-more:hover::after {
  transform: translateX(2px);
}

/* --- Review Single Page --- */
.review-hero-image {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.review-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 0.75rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.review-content {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text);
}

.review-content p {
  margin-bottom: 1.25rem;
}

/* --- Content Typography --- */
.nested-copy-line-height {
  line-height: 1.75 !important;
}

.serif.f4 {
  font-family: Georgia, 'Times New Roman', Times, serif;
}

/* Pros/Cons callout blocks */
.review-content ul:not(.list) {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.review-content li {
  margin-bottom: 0.4rem;
  line-height: 1.6;
}

/* --- Callout Boxes --- */
.callout {
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-left: 4px solid;
}

.callout-tip {
  background: #F0F7E8;
  border-left-color: var(--color-secondary);
}

.callout-important {
  background: #FFF5E8;
  border-left-color: var(--color-accent);
}

.callout-warning {
  background: #FFF0EC;
  border-left-color: var(--color-primary);
}

/* --- Affiliate Disclosure Badge --- */
.affiliate-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 0.3rem 0.75rem;
  margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-base), transform var(--transition-base);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: white;
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 1.5rem;
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.site-footer a {
  color: var(--color-footer-text);
}

.site-footer a:hover {
  color: white;
}

/* --- Section titles --- */
.section-title {
  font-family: Georgia, 'Times New Roman', Times, serif;
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background: var(--color-primary);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: -0.75rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

/* --- Pagination --- */
.pagination a {
  color: var(--color-primary);
}

/* --- Horizontal Rule --- */
hr, .bb.b--light-gray {
  border-color: var(--color-border) !important;
}

/* --- Image Treatments --- */
img.br2 {
  border-radius: var(--radius-md);
}

/* --- List Pages --- */
article .bb {
  border-color: var(--color-border-light) !important;
}

/* --- Mobile Nav Toggle --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

@media (max-width: 48em) {
  .site-header .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    flex-direction: column;
  }

  .site-header .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 2rem 1rem;
  }

  .category-pills {
    gap: 0.4rem;
  }

  .category-pill {
    font-size: 0.8rem;
    padding: 0.35rem 0.8rem;
  }

  .review-card img {
    height: 160px;
  }
}

/* --- Print Styles --- */
@media print {
  .site-header { position: static; backdrop-filter: none; }
  .hero { padding: 1rem; }
  .review-card:hover { transform: none; box-shadow: none; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}