/*
 * 沈馆长·蜀商茶局 — 展示网站样式系统
 * 高端商务 / 克制 / 响应式 / 无框架依赖
 */

:root {
  /* 色彩系统：藏茶青 + 宣纸白 + 墨黑 + 原木棕 + 琥珀金 */
  --color-tea: #2c3e36;
  --color-tea-dark: #1f2d27;
  --color-tea-light: #3d524a;
  --color-paper: #f7f5f0;
  --color-paper-dark: #efece4;
  --color-ink: #1a1a1a;
  --color-ink-soft: #333333;
  --color-wood: #8b6f4e;
  --color-wood-light: #a88b68;
  --color-gold: #c9a86c;
  --color-gold-light: #d9bd8d;
  --color-stone: #6b6b6b;
  --color-stone-light: #9a9a9a;
  --color-border: rgba(44, 62, 54, 0.12);
  --color-white: #ffffff;
  --color-error: #c45c4a;
  --color-success: #4a7c59;

  /* 字体 */
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SF Mono", monospace;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* 容器 */
  --container-max: 1200px;
  --container-narrow: 760px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 4px 16px rgba(26, 26, 26, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 26, 26, 0.12);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* 层级 */
  --z-header: 1000;
  --z-mobile-nav: 999;
  --z-scroll-indicator: 10;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

address {
  font-style: normal;
}

/* Utility */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
  padding: var(--space-sm) 0;
}

.site-header.is-scrolled {
  background: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  padding: var(--space-xs) 0;
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 700;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-tea);
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  border-radius: var(--radius-sm);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

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

.main-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

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

.main-nav a:hover::after {
  width: 100%;
}

.main-nav .nav-cta {
  background: var(--color-tea);
  color: var(--color-paper);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.main-nav .nav-cta::after {
  display: none;
}

.main-nav .nav-cta:hover {
  background: var(--color-tea-dark);
  color: var(--color-paper);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  border: 1px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-tea);
  color: var(--color-paper);
}

.btn-primary:hover {
  background: var(--color-tea-dark);
}

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

.btn-outline:hover {
  background: var(--color-tea);
  color: var(--color-paper);
}

.btn-lg {
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--space-3xl) + 60px) 0 var(--space-2xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(201, 168, 108, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(44, 62, 54, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, var(--color-paper) 0%, var(--color-paper-dark) 100%);
  z-index: -1;
}

.hero-bg::before {
  content: "";
  position: absolute;
  top: 10%;
  right: 5%;
  width: 320px;
  height: 320px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  opacity: 0.6;
}

.hero-bg::after {
  content: "";
  position: absolute;
  bottom: 15%;
  left: 8%;
  width: 200px;
  height: 200px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-wood);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  color: var(--color-tea);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-md);
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--color-stone);
  max-width: 680px;
  margin: 0 auto var(--space-lg);
  line-height: 1.9;
}

.hero-desc br {
  display: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.meta-item strong {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--color-tea);
}

.meta-item span {
  font-size: 0.8125rem;
  color: var(--color-stone);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1.5px solid var(--color-stone-light);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  z-index: var(--z-scroll-indicator);
}

.scroll-indicator span {
  width: 4px;
  height: 8px;
  background: var(--color-stone);
  border-radius: 2px;
  animation: scrollBounce 1.8s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* Sections */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-wood);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
}

/* Pain Points */
.section-pain {
  background: var(--color-white);
}

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

.pain-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.pain-icon {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.pain-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--color-ink);
}

.pain-card p {
  font-size: 0.9375rem;
  color: var(--color-stone);
  line-height: 1.7;
}

.pain-card-priority {
  border-color: var(--color-gold);
  border-top: 3px solid var(--color-gold);
}

.pain-card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.pain-card-tool {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-tea);
  font-weight: 500;
}

.pain-grid-12 {
  grid-template-columns: repeat(4, 1fr);
}

.section-desc {
  max-width: 640px;
  margin: var(--space-sm) auto 0;
  text-align: center;
  color: var(--color-stone);
  font-size: 1.0625rem;
}

/* L0 Tools */
.section-l0 {
  background: var(--color-paper-dark);
}

.l0-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.l0-tool-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.l0-tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.l0-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold);
  display: block;
  margin-bottom: var(--space-xs);
}

.l0-tool-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-ink);
}

.l0-tool-card p {
  font-size: 0.8125rem;
  color: var(--color-stone-light);
}

/* Tier ladder */
.section-tier {
  padding: var(--space-lg) 0;
  background: var(--color-tea-dark);
}

.tier-ladder {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-sm);
}

.tier-step {
  flex: 1 1 140px;
  max-width: 200px;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--color-paper);
}

.tier-step-featured {
  border-color: var(--color-gold);
  background: rgba(201, 168, 108, 0.12);
}

.tier-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.tier-step h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.tier-step p {
  font-size: 0.8125rem;
  color: rgba(247, 245, 240, 0.75);
  line-height: 1.5;
}

.tier-arrow {
  align-self: center;
  color: var(--color-gold);
  font-size: 1.25rem;
  opacity: 0.6;
}

/* Pain detail page */
.page-header-dark {
  background: var(--color-tea);
  color: var(--color-paper);
}

.page-header-dark .section-label {
  color: var(--color-gold-light);
}

.page-header-dark .section-title {
  color: var(--color-paper);
}

.page-header-dark .page-desc {
  color: rgba(247, 245, 240, 0.85);
}

.cluster-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.cluster-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.cluster-card:hover {
  box-shadow: var(--shadow-md);
}

.cluster-priority {
  border-left: 4px solid var(--color-gold);
}

.cluster-alt {
  border-left: 4px solid var(--color-wood);
  background: var(--color-paper);
}

.cluster-head {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.cluster-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 500;
}

.cluster-head h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: var(--space-xs) 0;
}

.cluster-hook {
  font-size: 1rem;
  color: var(--color-stone);
  font-style: italic;
}

.cluster-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
}

.cluster-col h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-stone-light);
  margin-bottom: var(--space-xs);
}

.cluster-col ul {
  list-style: disc;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-stone);
  line-height: 1.75;
}

.cluster-col-solution p {
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-xs);
  line-height: 1.65;
}

.cluster-cta {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-paper-dark);
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-tea);
  border-top: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.cluster-cta:hover {
  background: var(--color-tea);
  color: var(--color-paper);
}

/* SKU table */
.sku-table-wrap {
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

.sku-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.sku-table th,
.sku-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.sku-table th {
  font-family: var(--font-serif);
  background: var(--color-tea);
  color: var(--color-paper);
  font-weight: 500;
}

.sku-table tr:hover td {
  background: var(--color-paper-dark);
}

.sku-table .sku-id {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-gold);
  font-weight: 600;
}

.cta-sub {
  color: rgba(247, 245, 240, 0.85);
  margin-bottom: var(--space-md);
  font-size: 1.0625rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.process-step {
  text-align: center;
  padding: var(--space-md);
}

.process-step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-tea);
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.process-step h4 {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xs);
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-stone);
  line-height: 1.6;
}

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

.content-link-card {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: box-shadow var(--transition-base);
}

.content-link-card:hover {
  box-shadow: var(--shadow-md);
}

.content-link-tag {
  font-size: 0.6875rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.content-link-card h4 {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  margin: var(--space-xs) 0;
}

.content-link-card p {
  font-size: 0.875rem;
  color: var(--color-stone);
  line-height: 1.6;
}

/* Solution */
.section-solution {
  background: var(--color-tea);
  color: var(--color-paper);
}

.section-solution .section-title {
  color: var(--color-paper);
}

.section-solution .section-label {
  color: var(--color-gold-light);
}

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

.solution-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: background var(--transition-base), transform var(--transition-base);
}

.solution-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.solution-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.solution-card h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  margin-bottom: var(--space-xs);
}

.solution-what {
  font-size: 0.9375rem;
  color: var(--color-gold-light);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.solution-card p:last-child {
  font-size: 0.9375rem;
  color: rgba(247, 245, 240, 0.8);
  line-height: 1.75;
}

.solution-footnote {
  text-align: center;
  margin-top: var(--space-xl);
  font-size: 1.0625rem;
  color: rgba(247, 245, 240, 0.7);
  font-style: italic;
}

/* Membership */
.section-membership {
  background: var(--color-paper-dark);
}

.membership-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: center;
}

.membership-info .section-title {
  margin-bottom: var(--space-md);
}

.membership-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: var(--space-xs);
  color: var(--color-tea);
}

.price-currency {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 500;
}

.price-value {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1;
}

.price-unit {
  font-size: 1.25rem;
  color: var(--color-stone);
}

.membership-note {
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
}

.benefit-list {
  display: grid;
  gap: var(--space-sm);
}

.benefit-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
}

.benefit-list strong {
  font-size: 1rem;
  color: var(--color-ink);
}

.benefit-list span {
  font-size: 0.875rem;
  color: var(--color-stone);
}

/* Events */
.section-events {
  background: var(--color-white);
}

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

.event-card {
  position: relative;
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base);
}

.event-card:hover {
  box-shadow: var(--shadow-md);
}

.event-tag {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-wood);
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 100px;
}

.event-card h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  margin-bottom: var(--space-xs);
  padding-right: 60px;
}

.event-audience {
  font-size: 0.8125rem;
  color: var(--color-wood);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.event-card p:last-child {
  font-size: 0.9375rem;
  color: var(--color-stone);
  line-height: 1.7;
}

.events-note {
  text-align: center;
  margin-top: var(--space-xl);
  color: var(--color-stone);
  font-style: italic;
}

/* Space */
.section-space {
  background: var(--color-paper);
}

.space-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.space-image-placeholder {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-tea) 0%, var(--color-tea-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  text-align: center;
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
}

.space-content .section-title {
  margin-bottom: var(--space-md);
}

.space-content > p {
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.space-meta {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.space-meta li {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
}

.space-meta strong {
  width: 48px;
  flex-shrink: 0;
  color: var(--color-tea);
}

.space-meta a {
  color: var(--color-tea);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.space-meta a:hover {
  color: var(--color-tea-dark);
}

/* Trust */
.section-trust {
  background: var(--color-white);
}

.trust-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-xl);
  align-items: center;
}

.portrait-placeholder {
  aspect-ratio: 3 / 4;
  max-width: 360px;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--color-paper-dark) 0%, var(--color-paper) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-stone-light);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  box-shadow: var(--shadow-md);
}

.trust-content h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: 2px;
}

.trust-role {
  color: var(--color-wood);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
}

.trust-bio {
  display: grid;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.trust-bio li {
  position: relative;
  padding-left: var(--space-md);
  color: var(--color-ink-soft);
}

.trust-bio li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

.trust-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.trust-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trust-stats strong {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-tea);
}

.trust-stats span {
  font-size: 0.8125rem;
  color: var(--color-stone);
}

/* Compliance */
.section-compliance {
  background: var(--color-paper-dark);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  max-width: 880px;
  margin: 0 auto var(--space-md);
}

.compliance-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.compliance-item.wide {
  grid-column: 1 / -1;
}

.compliance-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-error);
  color: var(--color-white);
  font-size: 0.75rem;
  border-radius: 50%;
  margin-top: 2px;
}

.compliance-item p {
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.compliance-summary {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-tea);
  font-style: italic;
}

/* CTA */
.section-cta {
  background: var(--color-tea);
  color: var(--color-paper);
  padding: var(--space-2xl) 0;
}

.cta-inner {
  text-align: center;
  max-width: var(--container-narrow);
}

.cta-inner .section-title {
  color: var(--color-paper);
  margin-bottom: var(--space-lg);
}

.cta-steps {
  display: grid;
  gap: var(--space-md);
  text-align: left;
  margin-bottom: var(--space-xl);
  counter-reset: cta;
}

.cta-steps li {
  position: relative;
  padding-left: var(--space-xl);
  font-size: 1.0625rem;
  color: rgba(247, 245, 240, 0.85);
}

.cta-steps li::before {
  counter-increment: cta;
  content: counter(cta);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  color: var(--color-tea-dark);
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: 50%;
}

.cta-steps strong {
  display: block;
  color: var(--color-paper);
  margin-bottom: 2px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.cta-actions .btn-primary {
  background: var(--color-gold);
  color: var(--color-tea-dark);
}

.cta-actions .btn-primary:hover {
  background: var(--color-gold-light);
}

.cta-actions .btn-outline {
  border-color: var(--color-paper);
  color: var(--color-paper);
}

.cta-actions .btn-outline:hover {
  background: var(--color-paper);
  color: var(--color-tea);
}

/* Footer */
.site-footer {
  background: var(--color-tea-dark);
  color: rgba(247, 245, 240, 0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-lg);
}

.footer-brand .logo {
  margin-bottom: var(--space-sm);
}

.footer-brand .logo-mark {
  background: var(--color-gold);
  color: var(--color-tea-dark);
}

.footer-brand .logo-text {
  color: var(--color-paper);
}

.footer-brand p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
}

.footer-brand address {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: var(--space-xs);
}

.footer-brand a {
  color: var(--color-gold-light);
}

.footer-brand a:hover {
  color: var(--color-paper);
}

.footer-nav h4,
.footer-contact h4,
.footer-legal h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-paper);
  margin-bottom: var(--space-sm);
}

.footer-nav a,
.footer-legal a {
  display: block;
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-nav a:hover,
.footer-legal a:hover {
  color: var(--color-paper);
}

.footer-contact p {
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.qrcode-placeholder {
  width: 100px;
  height: 100px;
  background: var(--color-paper);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-stone);
  font-size: 0.75rem;
  text-align: center;
  margin-top: var(--space-sm);
}

.copyright {
  font-size: 0.75rem;
  color: rgba(247, 245, 240, 0.5);
  margin-top: var(--space-md);
  line-height: 1.6;
}

/* Page Header (for subpages) */
.page-header {
  padding: calc(var(--space-3xl) + 80px) 0 var(--space-xl);
  background: var(--color-paper-dark);
  text-align: center;
}

.page-header .section-label {
  margin-bottom: var(--space-xs);
}

.page-header .section-title {
  margin-bottom: var(--space-sm);
}

.page-desc {
  color: var(--color-stone);
  max-width: 640px;
  margin: 0 auto;
}

/* Subpage content */
.page-section {
  padding: var(--space-2xl) 0;
}

.page-section-alt {
  background: var(--color-white);
}

/* Membership page */
.membership-detail {
  background: var(--color-white);
}

.membership-intro {
  max-width: var(--container-narrow);
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.membership-intro p {
  color: var(--color-stone);
  font-size: 1.0625rem;
}

.membership-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto var(--space-xl);
}

.membership-feature {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-paper-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  color: var(--color-tea);
  font-weight: 700;
}

.membership-feature h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: 2px;
}

.membership-feature p {
  font-size: 0.875rem;
  color: var(--color-stone);
}

.membership-faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  color: var(--color-ink);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-tea);
  transition: transform var(--transition-fast);
}

.faq-item.is-open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
  padding-bottom: var(--space-md);
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--color-stone);
  line-height: 1.7;
}

.membership-cta {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-tea);
  color: var(--color-paper);
  border-radius: var(--radius-md);
  margin-top: var(--space-xl);
}

.membership-cta h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.membership-cta p {
  color: rgba(247, 245, 240, 0.8);
  margin-bottom: var(--space-md);
}

/* Space page */
.space-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.gallery-item {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-tea) 0%, var(--color-tea-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-paper);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  box-shadow: var(--shadow-sm);
}

.gallery-item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 21 / 9;
}

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

.space-info-card {
  padding: var(--space-md);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.space-info-card h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.space-info-card p,
.space-info-card li {
  font-size: 0.9375rem;
  color: var(--color-stone);
}

.space-info-card li {
  padding: 2px 0;
}

/* Appointment page */
.appointment-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-xl);
  align-items: start;
}

.appointment-info h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: var(--space-sm);
}

.appointment-info > p {
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
}

.appointment-steps {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.appointment-step {
  display: flex;
  gap: var(--space-sm);
}

.step-number {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-tea);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: 50%;
}

.appointment-step h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.appointment-step p {
  font-size: 0.875rem;
  color: var(--color-stone);
}

.contact-card {
  padding: var(--space-md);
  background: var(--color-paper-dark);
  border-radius: var(--radius-md);
}

.contact-card h4 {
  font-family: var(--font-serif);
  margin-bottom: var(--space-xs);
}

.contact-card p {
  font-size: 0.9375rem;
  color: var(--color-stone);
}

.contact-card a {
  color: var(--color-tea);
  font-weight: 500;
}

/* Forms */
.form-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.form-group label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-tea);
  box-shadow: 0 0 0 3px rgba(44, 62, 54, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-stone-light);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--color-stone);
  margin-top: 4px;
}

.form-error {
  color: var(--color-error);
  font-size: 0.8125rem;
  margin-top: 4px;
  display: none;
}

.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-error);
}

.form-group.has-error .form-error {
  display: block;
}

.form-submit {
  width: 100%;
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.form-success.is-visible {
  display: block;
}

.form-success h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-tea);
  margin-bottom: var(--space-sm);
}

.form-success p {
  color: var(--color-stone);
}

/* Mobile Navigation Overlay */
@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 80vw);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 80px var(--space-lg) var(--space-lg);
    background: var(--color-paper);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: var(--z-mobile-nav);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .main-nav a {
    display: block;
    width: 100%;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav .nav-cta {
    margin-top: var(--space-md);
    text-align: center;
  }

  .mobile-menu-toggle {
    display: flex;
    z-index: calc(var(--z-mobile-nav) + 1);
  }

  .pain-grid,
  .pain-grid-12,
  .l0-tools-grid,
  .content-links-grid,
  .process-steps,
  .solution-cards,
  .events-grid {
    grid-template-columns: 1fr;
  }

  .membership-layout,
  .space-layout,
  .trust-layout,
  .appointment-layout {
    grid-template-columns: 1fr;
  }

  .space-layout .space-visual {
    order: -1;
  }

  .trust-layout .trust-portrait {
    order: -1;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
  }

  .membership-features {
    grid-template-columns: 1fr;
  }

  .space-gallery {
    grid-template-columns: 1fr;
  }

  .space-info-grid {
    grid-template-columns: 1fr;
  }

  .cluster-body {
    grid-template-columns: 1fr;
  }

  .tier-arrow {
    display: none;
  }

  .tier-step {
    max-width: none;
    flex: 1 1 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-desc br {
    display: block;
  }
}

@media (max-width: 640px) {
  :root {
    --space-2xl: 4rem;
    --space-3xl: 5rem;
  }

  .hero {
    padding-top: calc(var(--space-2xl) + 60px);
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .section {
    padding: var(--space-2xl) 0;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}