/* ==========================================================================
   THE SILENT CARAT - DESIGN SYSTEM & STYLESHEET
   Palette: Off-White (#FAF9F6), Surface White (#FFFFFF), Dark Charcoal (#1C1917),
            Muted Gold (#9E846B), Dark Accent (#141414)
   ========================================================================== */

:root {
  --bg-main: #FAF9F6;
  --bg-surface: #FFFFFF;
  --bg-dark: #141414;
  --text-main: #1C1917;
  --text-muted: #66615C;
  --text-light: #F5F5F4;
  --accent-gold: #9E846B;
  --accent-gold-hover: #866E57;
  --border-color: #E7E5E4;
  --border-dark: #27272A;
  
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.1);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Rules */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-padding {
  padding: 80px 0;
}

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

.text-center {
  text-align: center;
}

.text-success {
  color: #2E7D32;
}

.section-header {
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Announcement Bar */
.announcement-bar {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-size: 0.85rem;
  padding: 8px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-dark);
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Header & Nav */
.site-header {
  background-color: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-main);
}

.logo-sub {
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--accent-gold);
}

.main-nav ul {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 24px;
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--accent-gold);
}

.nav-cta {
  background-color: var(--bg-dark);
  color: var(--text-light) !important;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}

.nav-cta:hover {
  background-color: var(--accent-gold);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
}

.btn-secondary {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: #27272A;
}

.btn-outline {
  border-color: var(--text-main);
  color: var(--text-main);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--text-main);
  color: #FFFFFF;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
  padding: 100px 0 80px 0;
  text-align: center;
  background: linear-gradient(180deg, rgba(250, 249, 246, 1) 0%, rgba(240, 238, 233, 0.5) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-tag {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-gold);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: 3.8rem;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 36px auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
  padding-top: 36px;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Pairing Matrix */
.matrix-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}

.matrix-card {
  background: var(--bg-surface);
  border: 2px solid var(--border-color);
  padding: 28px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.matrix-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.matrix-card.active-card {
  border-color: var(--accent-gold);
  background-color: #FAF6F0;
}

.matrix-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.matrix-card h3 {
  font-size: 1.4rem;
}

.badge {
  background-color: #E2E8F0;
  color: #334155;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
}

.badge-accent {
  background-color: #FEF3C7;
  color: #92400E;
}

.matrix-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.recommendation-box {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin-top: 24px;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.rec-header-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.rec-header-meta h3 {
  color: var(--accent-gold);
  font-size: 2rem;
}

.rec-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.rec-meta-tag {
  background-color: #27272A;
  color: var(--accent-gold);
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid var(--border-dark);
}

.rec-meta-tag.tag-warning {
  color: #F59E0B;
}

.recommendation-content p {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #E4E4E7;
}

.rec-bullets h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.rec-bullets ul {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 20px;
}

.rec-bullets li {
  margin-bottom: 8px;
  color: #D4D4D8;
}

.bench-note {
  background-color: #1E1E22;
  border-left: 3px solid var(--accent-gold);
  padding: 14px 18px;
  margin: 20px 0;
  font-size: 0.9rem;
  color: #D4D4D8;
  font-style: italic;
}

.rec-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.text-light {
  color: var(--text-light) !important;
  border-color: var(--border-dark) !important;
}

.text-light:hover {
  background-color: var(--accent-gold) !important;
  border-color: var(--accent-gold) !important;
}

/* Benchmark Table */
.table-responsive {
  overflow-x: auto;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.benchmark-table th, .benchmark-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
}

.benchmark-table th {
  background-color: #F5F4F0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-highlight {
  color: var(--accent-gold);
  font-size: 1.1rem;
}

.savings-tag {
  background-color: #DCFCE7;
  color: #166534;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

.table-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}

/* Review Cards */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.review-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.review-image-wrapper {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.review-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.review-card:hover .review-img {
  transform: scale(1.03);
}

.review-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.review-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.review-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.rating {
  color: #D97706;
  font-weight: 600;
}

.price-range {
  font-weight: 600;
  color: var(--accent-gold);
}

.review-body h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.review-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  background: var(--bg-main);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
}

.spec-item {
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.spec-value {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Retailers Grid */
.retailer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.retailer-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.retailer-card.highlight-card {
  border: 2px solid var(--accent-gold);
  background-color: #FAF6F0;
}

.retailer-card h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.retailer-type {
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 16px;
}

.retailer-card ul {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.retailer-card li {
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border-color);
}

/* Calculator Section */
.calculator-container {
  max-width: 650px;
  margin: 0 auto;
  background: var(--bg-surface);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.calculator-header h2 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.calculator-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input, .form-group select, .form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  background-color: #FFFFFF;
  transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.calc-results {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.result-row.total-row {
  font-size: 1.3rem;
  color: var(--text-main);
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}

.total-row strong {
  color: var(--accent-gold);
}

/* Quote Section */
.quote-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.quote-text h2 {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.quote-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.quote-text ul {
  list-style: none;
}

.quote-text li {
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text-main);
}

.quote-form {
  background: var(--bg-surface);
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quote-form h3 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.form-feedback {
  font-size: 0.9rem;
  text-align: center;
  margin-top: 8px;
}

/* FAQ Accordion Styling */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
}

.faq-question:hover {
  color: var(--accent-gold);
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
  line-height: 1.6;
}

/* Active FAQ State */
.faq-item.open .faq-answer {
  display: block !important;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-gold);
}

.faq-icon {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  transition: var(--transition);
  display: inline-block;
  pointer-events: none;
}

/* Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 60px 0 30px 0;
  border-top: 1px solid var(--border-dark);
}

.footer-legal h4 {
  color: var(--accent-gold);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.footer-legal p {
  color: #A1A1AA;
  font-size: 0.85rem;
  line-height: 1.7;
  max-width: 900px;
  margin-bottom: 40px;
}

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: #71717A;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-content h1 {
    font-size: 2.8rem;
  }
  
  .matrix-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .retailer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .reviews-grid, .quote-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-main);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 16px;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .hero-actions {
    flex-direction: column;
  }

  .matrix-grid-6, .retailer-grid {
    grid-template-columns: 1fr;
  }
}