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

:root {
  --bg-primary: #f5f5f0;
  --bg-card: #ffffff;
  --bg-card-hover: #fafaf8;
  --border: #e5e5e0;
  --border-hover: #d5d5d0;
  --text-primary: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-muted: #9a9a9a;
  --accent: #1a1a1a;
  --accent-hover: #333;
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 245, 240, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 640px) { .nav-inner { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .nav-inner { padding: 0 2rem; } }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.125rem;
}

.logo-icon { font-size: 22px; }

.nav-links {
  display: none;
  gap: 24px;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 57px;
  left: 0;
  right: 0;
  background: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(12px);
  padding: 16px 1rem;
  z-index: 999;
  border-bottom: 1px solid var(--border);
  flex-direction: column;
  gap: 12px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  padding: 6px 0;
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 1rem 60px;
  text-align: center;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 2.5rem;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

@media (min-width: 640px) {
  .hero-title { font-size: 3.5rem; }
}
@media (min-width: 1024px) {
  .hero-title { font-size: 4.5rem; }
}

.title-line {
  display: block;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(to right, var(--accent), #7c3aed, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .hero-desc { font-size: 1.125rem; }
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-bottom: 36px;
}

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

.stat-number {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 4px;
}

@media (min-width: 640px) {
  .stat-number { font-size: 3rem; }
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.hero-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  color: #fff;
}

/* ===== Section Base ===== */
.section {
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

@media (min-width: 640px) {
  .section { padding: 96px 0; }
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

@media (min-width: 640px) {
  .section-title { font-size: 2rem; }
}

.section-title em {
  font-style: normal;
  background: linear-gradient(to right, var(--accent), #7c3aed, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Origin Cards ===== */
.origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .origin-grid { grid-template-columns: repeat(2, 1fr); }
}

.origin-card {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  overflow: hidden;
}

.origin-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(to right, rgba(26,26,26,0.1), rgba(124,58,237,0.1), rgba(245,158,11,0.1));
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}

.origin-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.origin-card:hover::before {
  opacity: 1;
}

.card-flag {
  font-size: 28px;
  margin-bottom: 12px;
}

.origin-card h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  transition: color 0.15s;
}

.group:hover h3 {
  color: var(--accent);
}

.card-meta {
  display: flex;
  gap: 6px;
  align-items: baseline;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

.card-meta span {
  color: var(--text-muted);
}

.card-meta strong {
  color: var(--text-primary);
  font-weight: 500;
}

.origin-card > p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-primary);
}

/* ===== Brew Cards ===== */
.brew-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .brew-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .brew-grid { grid-template-columns: repeat(4, 1fr); }
}

.brew-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.brew-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.brew-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: linear-gradient(to bottom right, var(--accent), #7c3aed);
  color: #fff;
}

.brew-icon svg {
  width: 22px;
  height: 22px;
}

.brew-badges {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  padding: 1px 6px;
  border-radius: var(--radius);
  font-size: 0.6875rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.badge-accent {
  background: linear-gradient(to right, var(--accent), #7c3aed);
  color: #fff;
  border: none;
  font-weight: 600;
}

.brew-card h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.brew-params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.param {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.param span {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.param strong {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.brew-card > p {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Beans Section ===== */
.beans-content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.bean-comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .bean-comparison { grid-template-columns: repeat(2, 1fr); }
}

.bean-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.bean-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.bean-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.bean-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.bean-badge {
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 0.6875rem;
  background: var(--accent);
  color: #fff;
  font-weight: 500;
}

.bean-badge-alt {
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.bean-stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.bean-stat {
  display: grid;
  grid-template-columns: 80px 1fr 64px;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
}

.bean-stat span {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.bean-stat strong {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent), #7c3aed);
  border-radius: 2px;
  transition: width 1s ease;
}

.bar-fill.alt {
  background: linear-gradient(to right, #6b7280, #9ca3af);
}

.bean-flavors p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 20px;
}

.bean-varieties h4 {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.variety-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.variety-item {
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.variety-item:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ===== Processing Section ===== */
.processing-title {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 36px;
}

.process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .process-timeline { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .process-timeline { grid-template-columns: repeat(4, 1fr); }
}

.process-item {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.process-item:hover {
  border-color: var(--border-hover);
}

.process-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.process-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-content p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== Flavor Wheel ===== */
.flavor-wheel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .flavor-wheel { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .flavor-wheel { grid-template-columns: repeat(3, 1fr); }
}

.flavor-category {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.flavor-category:hover {
  border-color: var(--border-hover);
}

.flavor-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.flavor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.flavor-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.flavor-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.flavor-tag {
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.flavor-tag:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ===== Roast Slider ===== */
.roast-slider {
  max-width: 640px;
  margin: 0 auto;
}

.roast-track {
  margin-bottom: 32px;
}

.roast-gradient {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #C4A265, #9B7B4A, #6B4226, #3C1E0E);
  margin-bottom: 16px;
}

.roast-markers {
  display: flex;
  justify-content: space-between;
}

.roast-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.marker-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}

.roast-marker.active .marker-dot,
.roast-marker:hover .marker-dot {
  border-color: var(--accent);
  background: var(--accent);
}

.roast-marker span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.roast-marker.active span {
  color: var(--text-primary);
}

.roast-details {
  position: relative;
  min-height: 220px;
}

.roast-detail {
  display: none;
  gap: 24px;
  align-items: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  animation: fadeIn 0.3s ease;
}

.roast-detail.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.roast-bean-color {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.roast-info { flex: 1; }

.roast-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.roast-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.75;
  margin-bottom: 16px;
}

.roast-attributes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.attr {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
}

.attr span {
  width: 40px;
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 0.75rem;
}

.attr-bar {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.attr-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent), #7c3aed);
  border-radius: 2px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-item.active {
  border-color: var(--border-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}

.faq-question h3 {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
}

.faq-toggle {
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--bg-primary);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding: 0 20px 16px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.8;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0 24px;
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 700;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ===== Estates Section ===== */
.estate-subtitle {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.estate-subtitle:first-of-type {
  margin-top: 0;
}

.estate-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .estate-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .estate-grid { grid-template-columns: repeat(3, 1fr); }
}

.estate-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.estate-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.estate-card.featured {
  border-color: var(--border-hover);
}

.estate-card.china {
  background: linear-gradient(to right, rgba(26,26,26,0.01), rgba(124,58,237,0.01), rgba(245,158,11,0.02));
}

.estate-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.estate-head h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.estate-badges {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.estate-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.estate-meta span {
  padding: 1px 8px;
  border-radius: 9999px;
  font-size: 0.6875rem;
  background: var(--bg-primary);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.estate-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ===== Merchants Section ===== */
.merchant-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .merchant-grid { grid-template-columns: repeat(2, 1fr); }
}

.merchant-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.merchant-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.merchant-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.merchant-logo {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: linear-gradient(to bottom right, var(--accent), #7c3aed);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.merchant-head h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.merchant-loc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.merchant-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 10px;
}

/* ===== Champions Section ===== */
.champ-subtitle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.champ-subtitle:first-of-type {
  margin-top: 0;
}

.champ-icon {
  font-size: 1.25rem;
}

.champ-subtitle h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.125rem;
  font-weight: 600;
}

.champ-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .champ-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .champ-grid { grid-template-columns: repeat(3, 1fr); }
  .champ-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.champ-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.champ-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.champ-card.highlight {
  border-color: var(--border);
  position: relative;
}

.champ-card.highlight::after {
  content: 'CHINA';
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 1px 6px;
  border-radius: var(--radius);
  font-size: 0.625rem;
  font-family: var(--font-mono);
  font-weight: 600;
  background: linear-gradient(to right, var(--accent), #7c3aed);
  color: #fff;
  letter-spacing: 0.05em;
}

.champ-card.legend {
  border-color: var(--border);
  background: linear-gradient(to right, rgba(26,26,26,0.02), rgba(124,58,237,0.02), rgba(245,158,11,0.02));
}

.champ-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.champ-name {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.champ-country {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.champ-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 10px;
}

/* ===== Podcasts Section ===== */
.podcast-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.podcast-subtitle:first-of-type {
  margin-top: 0;
}

.podcast-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .podcast-grid { grid-template-columns: repeat(2, 1fr); }
}

.podcast-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.podcast-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.podcast-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.podcast-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: linear-gradient(to bottom right, var(--accent), #7c3aed);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.podcast-card h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}

.podcast-host {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.podcast-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 10px;
}

/* ===== Community / Brand Section ===== */
.brand-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand-logo {
  flex-shrink: 0;
}

.brand-logo-inner {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: linear-gradient(to bottom right, var(--accent), #7c3aed);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
}

.brand-info h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.brand-tagline {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.brand-badges {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.brand-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .brand-body { grid-template-columns: 280px 1fr; }
}

.brand-founders {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.founder {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
}

.founder-avatar {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.founder-info {
  margin-bottom: 8px;
}

.founder-info strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.founder-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.founder .card-tags {
  margin-top: 8px;
}

.brand-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-block h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.detail-block p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-item {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 12px;
  border-left: 2px solid var(--border);
}

.detail-item span {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.8125rem;
  margin-bottom: 2px;
}

.brands-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
}

.brand-mini-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.brand-mini-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.brand-mini-card h4 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.brand-mini-card p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 10px;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .hero { padding: 100px 1rem 40px; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.875rem; }
  .origin-card, .brew-card, .bean-card, .flavor-category, .process-item { padding: 16px; }
  .roast-detail { flex-direction: column; text-align: center; }
  .roast-bean-color { width: 64px; height: 64px; }
  .roast-attributes { grid-template-columns: 1fr; }
}

/* ===== Scroll Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}