/* ============================================================
   CoutureBeef.com — Luxury Beef Intelligence Platform
   Master Stylesheet
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg: #0a0a0a;
  --color-bg-elevated: #141414;
  --color-bg-card: #1a1a1a;
  --color-bg-card-hover: #222;
  --color-gold: #c9a84c;
  --color-gold-light: #e4c76b;
  --color-gold-dark: #a68a3a;
  --color-cream: #f5f0e8;
  --color-cream-dim: #d4cfc7;
  --color-white: #ffffff;
  --color-text: #e8e4dc;
  --color-text-muted: #999;
  --color-text-dim: #666;
  --color-accent-red: #8b2500;
  --color-accent-warm: #c0392b;
  --color-border: #2a2a2a;
  --color-border-gold: rgba(201,168,76,.3);
  --color-overlay: rgba(10,10,10,.85);

  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.5);
  --shadow-gold: 0 0 30px rgba(201,168,76,.15);

  --transition-fast: .2s ease;
  --transition-base: .35s ease;
  --transition-slow: .6s ease;

  --max-width: 1280px;
  --max-width-wide: 1440px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-gold); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-gold-light); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-cream);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); letter-spacing: -.015em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

.gold-text { color: var(--color-gold); }
.cream-text { color: var(--color-cream); }
.muted-text { color: var(--color-text-muted); }

/* ---------- Layout Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

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

/* ---------- Decorative Elements ---------- */
.section-label {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
  display: block;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin: 20px 0 32px;
}

.gold-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 60px 0;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: .02em;
}

.nav-logo span {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: .03em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-cream);
  transition: var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10,10,10,.7) 0%,
    rgba(10,10,10,.5) 40%,
    rgba(10,10,10,.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 120px 24px 80px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  margin-bottom: 24px;
  text-shadow: 0 2px 40px rgba(0,0,0,.5);
}

.hero h1 em {
  font-style: normal;
  color: var(--color-gold);
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-cream-dim);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Page Hero (Inner Pages) ---------- */
.page-hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-bg), rgba(10,10,10,.4), var(--color-bg));
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  padding: 12px 0;
  font-size: .8rem;
  color: var(--color-text-dim);
}

.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-gold); }
.breadcrumbs span { margin: 0 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: all var(--transition-base);
}

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

.btn-primary:hover {
  background: var(--color-gold-light);
  color: var(--color-bg);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
}

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-cream);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-sm {
  padding: 10px 20px;
  font-size: .8rem;
}

/* ---------- Search Bar ---------- */
.search-bar {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.search-bar input {
  width: 100%;
  padding: 18px 60px 18px 24px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-cream);
  font-size: 1.05rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar input::placeholder {
  color: var(--color-text-dim);
}

.search-bar input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,.15);
}

.search-bar button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  font-size: 1.2rem;
  transition: background var(--transition-fast);
}

.search-bar button:hover {
  background: var(--color-gold-light);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

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

.card:hover .card-img img {
  transform: scale(1.05);
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.card-body p {
  font-size: .9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(201,168,76,.12);
  color: var(--color-gold);
  border-radius: var(--radius-sm);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 12px;
}

/* ---------- Feature Card (Horizontal) ---------- */
.feature-card {
  display: flex;
  gap: 32px;
  align-items: center;
  padding: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

.feature-card-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: rgba(201,168,76,.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.feature-card-content h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.feature-card-content p {
  color: var(--color-text-muted);
  font-size: .95rem;
}

/* ---------- Taste Chips / Tags ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.chip {
  padding: 10px 22px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-cream-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover,
.chip.active {
  background: rgba(201,168,76,.12);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ---------- Stat Counters ---------- */
.stats-row {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat-label {
  font-size: .8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-top: 6px;
}

/* ---------- Image Grid ---------- */
.img-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.img-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.img-grid img:hover {
  transform: scale(1.06);
}

/* ---------- Accordion / FAQ ---------- */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  width: 100%;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-cream);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-gold);
}

.accordion-trigger .icon {
  font-size: 1.3rem;
  transition: transform var(--transition-fast);
  color: var(--color-gold);
}

.accordion-trigger.active .icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-content-inner {
  padding: 0 0 24px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ---------- Tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-gold);
  border-bottom: 1px solid var(--color-border);
}

.data-table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
  color: var(--color-text-muted);
}

.data-table tr:hover td {
  background: var(--color-bg-elevated);
  color: var(--color-cream);
}

/* ---------- Meter / Progress Bar ---------- */
.meter {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold));
  border-radius: 3px;
  transition: width var(--transition-slow);
}

/* ---------- Temperature Doneness Scale ---------- */
.temp-scale {
  display: flex;
  gap: 2px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 16px 0;
}

.temp-scale div {
  flex: 1;
  padding: 12px 8px;
  text-align: center;
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.temp-scale div:hover { opacity: .85; }
.temp-rare { background: #8b2500; color: #fff; }
.temp-medium-rare { background: #a83220; color: #fff; }
.temp-medium { background: #c44d38; color: #fff; }
.temp-medium-well { background: #8a6340; color: #fff; }
.temp-well { background: #6b5b4f; color: #fff; }

/* ---------- City Card (Sourcing Atlas) ---------- */
.city-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

.city-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.city-card:hover img {
  transform: scale(1.08);
}

.city-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,10,.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

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

.city-card-overlay p {
  font-size: .85rem;
  color: var(--color-gold);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.footer-brand h3 span { color: var(--color-gold); }

.footer-brand p {
  font-size: .9rem;
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: .88rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-cream);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  font-size: .8rem;
  color: var(--color-text-dim);
}

/* ---------- Scroll-to-top ---------- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  color: var(--color-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 900;
  box-shadow: var(--shadow-md);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-gold-light);
  transform: translateY(-3px);
  color: var(--color-bg);
}

/* ---------- Skip to content (Accessibility) ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--color-gold);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: 32px 24px;
    gap: 24px;
    animation: fadeIn .3s ease;
  }
  .nav-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .hero h1 { font-size: 2.4rem; }

  .hero-ctas { flex-direction: column; align-items: center; }

  .feature-card { flex-direction: column; text-align: center; padding: 24px; }

  .stats-row { gap: 24px; }

  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .section { padding: 60px 0; }

  .img-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .btn { padding: 12px 24px; font-size: .82rem; }
  .search-bar input { padding: 14px 56px 14px 18px; font-size: .95rem; }
  .img-grid { grid-template-columns: 1fr; }
}

/* ---------- Detail Page Hero ---------- */
.detail-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.detail-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.detail-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,.3) 0%, rgba(10,10,10,.6) 40%, rgba(10,10,10,.95) 100%);
  z-index: 1;
}

.detail-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 80px;
}

.detail-hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  margin-bottom: 16px;
  text-shadow: 0 2px 40px rgba(0,0,0,.5);
}

.detail-hero .tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-cream-dim);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.detail-hero .hero-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.detail-hero .hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-hero .hero-meta-label {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-gold);
}

.detail-hero .hero-meta-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-cream);
}

/* ---------- Detail Info Grid ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}

.info-sidebar {
  position: sticky;
  top: 96px;
}

.sidebar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.sidebar-card .stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
}

.sidebar-card .stat-row:last-child {
  border-bottom: none;
}

.sidebar-card .stat-row .label {
  color: var(--color-text-muted);
}

.sidebar-card .stat-row .value {
  color: var(--color-cream);
  font-weight: 600;
}

/* ---------- Detail Content Blocks ---------- */
.content-block {
  margin-bottom: 64px;
}

.content-block h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.content-block h3 {
  font-size: 1.2rem;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.content-block p {
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
  font-size: .95rem;
}

.content-block ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.content-block ul li {
  color: var(--color-text-muted);
  line-height: 1.8;
  font-size: .95rem;
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.content-block ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* ---------- Step Cards ---------- */
.step-cards {
  display: grid;
  gap: 24px;
  counter-reset: step;
}

.step-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  counter-increment: step;
}

.step-card:hover {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

.step-card-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(201,168,76,.1);
  border: 1px solid var(--color-border-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-gold);
}

.step-card-content h4 {
  font-size: 1.1rem;
  color: var(--color-cream);
  margin-bottom: 8px;
}

.step-card-content p {
  color: var(--color-text-muted);
  font-size: .9rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ---------- Tip Box ---------- */
.tip-box {
  padding: 28px 32px;
  background: linear-gradient(135deg, rgba(201,168,76,.08), rgba(201,168,76,.02));
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  margin: 32px 0;
}

.tip-box h4 {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.tip-box p {
  color: var(--color-cream-dim);
  font-size: .92rem;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ---------- Pairing Grid ---------- */
.pairing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pairing-item {
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
}

.pairing-item:hover {
  border-color: var(--color-border-gold);
  transform: translateY(-2px);
}

.pairing-item .pairing-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.pairing-item h4 {
  font-size: .95rem;
  color: var(--color-cream);
  margin-bottom: 6px;
}

.pairing-item p {
  font-size: .82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ---------- Related Cards Row ---------- */
.related-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

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

.related-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.related-card .related-card-body {
  padding: 16px;
}

.related-card .related-card-body h4 {
  font-size: 1rem;
  color: var(--color-cream);
  margin-bottom: 4px;
}

.related-card .related-card-body p {
  font-size: .8rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ---------- Science Block ---------- */
.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.science-card {
  padding: 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.science-card h4 {
  font-size: .95rem;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.science-card p {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-bg-card), var(--color-bg-elevated));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  margin: 80px 0;
}

.cta-banner h2 {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
}

.cta-banner .btn-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Detail Page Responsive ---------- */
@media (max-width: 1024px) {
  .info-grid { grid-template-columns: 1fr; gap: 40px; }
  .info-sidebar { position: static; }
  .related-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .detail-hero { min-height: 60vh; }
  .detail-hero-content { padding-bottom: 48px; }
  .detail-hero .hero-meta { gap: 20px; }
  .step-card { flex-direction: column; gap: 16px; padding: 24px; }
  .pairing-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .related-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 40px 24px; }
}

/* ---------- Card Link Styles ---------- */
a.card-img {
  display: block;
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

a.card {
  display: flex;
  flex-direction: column;
}

/* ---------- Contact Form ---------- */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-cream);
  font-size: .95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,.15);
}

.form-group textarea {
  min-height: 160px;
  resize: vertical;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23c9a84c' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--color-bg);
  color: var(--color-cream);
}

.contact-info-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.contact-info-card h3 {
  font-size: 1.1rem;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.contact-info-card p {
  color: var(--color-text-muted);
  font-size: .92rem;
  line-height: 1.8;
}

/* ---------- Print ---------- */
@media print {
  .nav, .footer, .scroll-top { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}