/* ============================================================
   Molio 墨流 — Ink & Paper 设计系统 v2
   墨 + 印章红 + 纸。去掉 emoji、模板感，建立编辑/文学视觉语言。
   ============================================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,400;1,9..144,700&family=Source+Serif+4:ital,wght@0,400;0,600;0,700;1,400;1,600;1,700&family=Noto+Serif+SC:wght@400;600;700;900&display=swap');

:root {
  /* 纸 */
  --paper: #F5F0E8;
  --paper-2: #EDE6D8;
  --paper-3: #E4DBCB;

  /* 墨 */
  --ink: #0D0D0D;
  --ink-80: #1A1A1A;
  --ink-60: #404040;
  --ink-40: #707070;
  --ink-20: #A0A0A0;
  --ink-10: #C8C4BC;

  /* 印章红 — 唯一强调色 */
  --seal: #C41E24;
  --seal-light: #D4303A;
  --seal-dark: #8B1519;

  /* 分隔 */
  --hair: #D8D0C2;
  --rule: #C8BFB0;

  /* 字体 */
  --font-display: 'Fraunces', Georgia, 'Noto Serif SC', serif;
  --font-zh: 'Noto Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Songti SC', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;

  /* 布局 */
  --max-w: 1200px;
  --nav-h: 64px;

  /* 动画 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

img, picture, video, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; }

/* ---------- Atmosphere: 墨渍 + 纸纤维 ---------- */
.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse 700px 500px at 10% 15%, rgba(13,13,13,0.03) 0%, transparent 70%),
    radial-gradient(ellipse 500px 600px at 90% 85%, rgba(196,30,36,0.01) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 50%, rgba(13,13,13,0.015) 0%, transparent 60%);
}

.atmosphere::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5;
  mix-blend-mode: multiply;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(42px, 7vw, 80px); }
h2 { font-size: clamp(32px, 5vw, 56px); }
h3 { font-size: clamp(24px, 3.5vw, 38px); }
h4 { font-size: 20px; }

p { margin-bottom: 0; }

/* ---------- Navigation ---------- */
.top-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 200;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo-icon-sm {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-display);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  padding: 4px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-40);
  transition: color 0.25s var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--seal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-link.active {
  color: var(--ink);
  font-weight: 600;
}
.nav-link.active::after { transform: scaleX(1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
  z-index: 0;
}

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

/* Primary: 墨底，hover 印章红涂抹 */
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--seal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
  z-index: -1;
  border-radius: inherit;
}

.btn-primary:hover::after { transform: scaleX(1); }
.btn-primary:hover { box-shadow: 0 8px 24px rgba(13,13,13,0.15); }

/* Secondary: 透明 + 边框 */
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}

.btn-secondary:hover {
  border-color: var(--ink);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

/* Light: 纸底，用于暗色背景 */
.btn-light {
  background: var(--paper);
  color: var(--ink);
}

.btn-light:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-sm { padding: 10px 22px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  padding-bottom: 80px;
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-text {
  position: relative;
}

/* Eyebrow — 刊首语风格 */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-40);
}

.hero-eyebrow-line {
  width: 28px;
  height: 1.5px;
  background: var(--seal);
  flex-shrink: 0;
}

/* H1 — 主标题：英文 italic + 中文正常 */
.hero-text h1 {
  font-size: clamp(36px, 5.2vw, 62px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
  font-weight: 700;
}

.hero-title-line {
  color: var(--seal);
  line-height: 1.15;
  font-size: 1em;
}

.hero-title-line em {
  font-style: italic;
  font-weight: 700;
  font-family: 'Source Serif 4', Georgia, serif;
  font-feature-settings: "liga" 1;
}

.hero-title-zh {
  font-style: normal;
  font-family: var(--font-zh);
  font-weight: 700;
}

.hero-title-sub {
  display: block;
  color: var(--ink);
  font-size: 0.52em;
  font-weight: 700;
  line-height: 1.4;
  margin-top: 0.2em;
  letter-spacing: 0;
  font-family: var(--font-zh);
}

/* Hero desc — 左侧细线点缀 */
.hero-text .hero-desc {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.85;
  max-width: 460px;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 1.5px solid var(--hair);
}

/* Hero checks — 纯本地卖点 */
.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-bottom: 32px;
  list-style: none;
  padding-left: 16px;
}

.hero-checks li {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-60);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-checks li::before {
  content: '✓';
  color: var(--seal);
  font-weight: 700;
  font-size: 12px;
}

.hero-text .hero-desc br { display: none; }

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

/* Staggered reveal for hero children */
.hero .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  transition-delay: calc(var(--delay, 0) * 0.12s);
}

.hero .reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero-image-frame {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.04),
    0 4px 8px rgba(0,0,0,0.04),
    0 20px 40px rgba(0,0,0,0.08);
  transform: rotate(0.8deg);
  transition: transform 0.5s var(--ease);
}

.hero-image-frame:hover {
  transform: rotate(0deg) translateY(-4px);
}

.hero-image-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Section base ---------- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-inset { background: var(--paper-2); }

.section-dark {
  background: var(--ink);
  color: var(--paper);
}

.section-dark h2, .section-dark h3 { color: var(--paper); }
.section-dark p { color: rgba(245,240,232,0.6); }

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

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Manifesto section (暗色宣言) ---------- */
.section-manifesto { padding: 140px 0; }

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.section-label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-label.dark { color: rgba(245,240,232,0.35); }
.section-label.light { color: var(--ink-20); }
.section-label.seal { color: var(--seal); }

.manifesto-inner h2 {
  font-size: clamp(36px, 5.5vw, 64px);
  line-height: 1.1;
  margin-bottom: 28px;
}

.manifesto-inner p {
  font-size: 18px;
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto;
}

/* ---------- Feature sections ---------- */
.feature-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.feature-inner.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.feature-inner.reverse .feature-text { order: 2; }
.feature-inner.reverse .feature-visual { order: 1; }

.feature-num {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ink-20);
  margin-bottom: 6px;
}

.feature-label {
  display: block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  font-style: italic;
  color: var(--seal);
  margin-bottom: 20px;
}

.feature-text h3 {
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.15;
  margin-bottom: 20px;
}

.feature-text h3 em {
  font-style: italic;
  color: var(--seal);
}

.feature-text > p {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  color: var(--ink-60);
  line-height: 1.7;
  margin-bottom: 12px;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 1.5px;
  background: var(--seal);
}

.feature-visual img {
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.feature-visual:hover img {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

/* Deposit section: 居中引文 */
.deposit-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.deposit-quote {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.8vw, 44px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.35;
  color: var(--ink);
  margin: 32px 0 56px;
  position: relative;
}

.deposit-quote::before {
  content: '\201C';
  display: block;
  font-size: 72px;
  color: var(--seal);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: -10px;
}

.deposit-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.deposit-feature {
  font-size: 15px;
  color: var(--ink-60);
  line-height: 1.6;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}

.deposit-feature strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

/* Connect section: 暗色大图 */
.section-connect .feature-num { color: rgba(245,240,232,0.3); }
.section-connect .feature-label { color: var(--seal-light); }
.section-connect .feature-text > p { color: rgba(245,240,232,0.55); }

.connect-visual img {
  width: 100%;
  height: auto;
  border-radius: 2px;
  opacity: 0.85;
  transition: opacity 0.4s var(--ease);
}

.connect-visual:hover img { opacity: 1; }

/* Publish section: 双图 */
.publish-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.publish-inner h3 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}

.publish-inner > p {
  font-size: 17px;
  color: var(--ink-40);
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.publish-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.publish-images img {
  width: 100%;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.publish-caption {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-20);
  font-style: italic;
}

/* ---------- Closure ring ---------- */
.section-closure { padding: 120px 0; }

.closure-inner {
  max-width: 500px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.closure-inner h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 72px;
}

.closure-ring {
  position: relative;
  width: 320px;
  height: 320px;
  margin: 0 auto;
}

.closure-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px dashed var(--hair);
  border-radius: 50%;
}

.closure-ring::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--ink);
  display: grid;
  place-items: center;
}

/* 中心 logo */
.closure-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  z-index: 2;
}

.closure-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-140px) rotate(calc(-1 * var(--angle)));
  text-align: center;
}

.node-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  margin: 0 auto 8px;
  transition: transform 0.3s var(--ease-spring), background 0.3s var(--ease);
}

.closure-node:hover .node-dot {
  transform: scale(1.2);
  background: var(--seal);
}

.node-label {
  font-size: 13px;
  color: var(--ink-60);
  line-height: 1.4;
  white-space: nowrap;
}

.node-label small {
  display: block;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-20);
  margin-top: 1px;
}

/* ---------- Updates / blog grid ---------- */
.section-updates { padding: 120px 0; }

.updates-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

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

.updates-header h2 {
  font-size: clamp(32px, 4.5vw, 52px);
  margin-bottom: 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.blog-grid .blog-card {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.blog-grid .blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}

.blog-card .tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 14px;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
}

.blog-card h3 a { color: var(--ink); }
.blog-card h3 a:hover { color: var(--seal); }

.blog-card p {
  font-size: 15px;
  color: var(--ink-40);
  line-height: 1.7;
  margin-bottom: 18px;
}

.blog-card .meta {
  font-size: 13px;
  color: var(--ink-20);
}

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

/* ---------- CTA section ---------- */
.section-cta {
  padding: 140px 0;
  text-align: center;
}

.cta-inner h2 {
  font-size: clamp(36px, 5.5vw, 64px);
  margin-bottom: 40px;
  color: var(--paper);
}

.cta-inner .btn {
  font-size: 16px;
  padding: 18px 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-80);
  color: rgba(245,240,232,0.5);
  padding: 72px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 48px;
  border-bottom: 1px solid rgba(245,240,232,0.08);
}

.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}

.footer-links h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  padding: 5px 0;
  color: rgba(245,240,232,0.5);
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 24px 0;
  font-size: 13px;
}

/* ---------- Page-specific (download/help/faq/privacy/blog) ---------- */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 64px) 24px 96px;
  min-height: 100vh;
}

.page-title {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 18px;
  color: var(--ink-40);
  margin-bottom: 48px;
}

/* Download */
.download-section-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin: 48px 0 24px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.download-card {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.download-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}

.download-card .icon { font-size: 40px; margin-bottom: 12px; }

.download-card .name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.download-card .desc {
  font-size: 14px;
  color: var(--ink-40);
  margin-bottom: 8px;
}

.download-card .meta {
  font-size: 12px;
  color: var(--ink-20);
  font-family: var(--font-mono);
  margin-bottom: 16px;
}

.download-btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s var(--ease);
  border: 1px solid transparent;
  cursor: pointer;
}

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

.download-btn.primary:hover {
  background: var(--seal-dark);
  transform: translateY(-2px);
}

.download-btn.secondary {
  background: transparent;
  color: var(--ink-60);
  border-color: var(--rule);
  margin-left: 8px;
}

.download-btn.secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.ai-tools-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 15px;
}

.ai-tools-table th, .ai-tools-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--hair);
}

.ai-tools-table th {
  font-weight: 700;
  background: var(--paper-2);
}

.ai-tools-table td a {
  color: var(--seal-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Help steps */
.step-card {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px;
  margin-bottom: 24px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.step-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.step-card .step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

/* FAQ */
.faq-content { max-width: 800px; }

.faq-toc {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 28px 32px;
  margin-bottom: 36px;
}

.faq-toc h2 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 16px;
  padding: 0;
  border: none;
}

.faq-toc li {
  padding: 10px 0;
  border-bottom: 1px solid var(--hair);
}

.faq-toc li:last-child { border: none; }

.faq-toc a {
  color: var(--ink-60);
  font-size: 15px;
  transition: color 0.2s;
}

.faq-toc a:hover { color: var(--seal); }

.faq-item {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px;
  margin-bottom: 24px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
}

.faq-question {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 14px;
}

.faq-answer p {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 12px;
}

.faq-answer ul, .faq-answer ol {
  padding-left: 22px;
  margin-bottom: 12px;
}

.faq-answer li {
  font-size: 15px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 8px;
}

/* Privacy */
.privacy-section {
  margin-bottom: 32px;
}

.privacy-section h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.privacy-section p {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 12px;
}

.privacy-section ul {
  padding-left: 22px;
  margin-bottom: 12px;
}

.privacy-section li {
  font-size: 15px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 8px;
}

.privacy-section a {
  color: var(--seal-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Tip box */
.tip-box {
  background: var(--paper-2);
  border-left: 3px solid var(--seal);
  border-radius: 0 2px 2px 0;
  padding: 18px 22px;
  margin: 20px 0 32px;
  font-size: 15px;
  color: var(--ink-60);
  line-height: 1.7;
}

.tip-box strong { color: var(--ink); }

/* Blog index */
.blog-index-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.blog-index-grid .blog-card {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.blog-index-grid .blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
}

/* Article body */
.article-body {
  max-width: 720px;
}

.article-meta {
  font-size: 14px;
  color: var(--ink-20);
  margin-bottom: 32px;
}

.article-body h2 {
  font-size: 24px;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

.article-body h3 {
  font-size: 20px;
  margin: 28px 0 12px;
}

.article-body p {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.article-body li {
  font-size: 15px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-body a {
  color: var(--seal-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover { color: var(--seal); }

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-body th, .article-body td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--hair);
}

.article-body th {
  background: var(--paper-2);
  font-weight: 700;
}

.article-body code {
  background: var(--paper-2);
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
}

.cta-box {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px;
  margin: 40px 0;
  text-align: center;
}

.cta-box p {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 14px;
  color: var(--ink-20);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--ink-60);
  transition: color 0.2s;
}

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

.breadcrumb .sep {
  margin: 0 8px;
  color: var(--ink-10);
}

/* Related links */
.related-links {
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  padding: 32px;
  margin-top: 48px;
}

.related-links h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 16px;
  padding: 0;
  border: none;
}

.related-links li {
  padding: 10px 0;
  border-bottom: 1px solid var(--hair);
}

.related-links li:last-child { border: none; }

.related-links a {
  color: var(--seal-dark);
  font-weight: 500;
}

.related-links a:hover { color: var(--seal); }

/* Content text (generic) */
.content-text h2, .content-text h3 {
  font-family: var(--font-display);
}

.content-text p {
  font-size: 16px;
  color: var(--ink-40);
  line-height: 1.8;
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin: 48px 0 24px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
}

/* ---------- Nav GitHub icon ---------- */
.nav-gh {
  display: inline-flex;
  align-items: center;
  padding: 4px 0;
  transition: opacity 0.25s var(--ease);
  opacity: 0.5;
  margin-left: 4px;
}

.nav-gh:hover { opacity: 1; }

.nav-gh svg {
  width: 20px;
  height: 20px;
  fill: var(--ink);
}

/* ---------- Floaters ---------- */
.float-qr-wrap {
  position: fixed;
  bottom: 80px;
  right: 28px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 3px;
  padding: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform 0.25s var(--ease);
}

.float-qr-wrap:hover { transform: translateY(-3px); }

.float-qr-img {
  width: 86px;
  height: 86px;
}

.float-qr-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.float-qr-caption {
  font-size: 11px;
  color: var(--ink-40);
  font-weight: 600;
  text-align: center;
}

/* ---------- Anchor nav ---------- */
.anchor-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.anchor-nav a {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-10);
  transition: all 0.3s var(--ease);
  text-decoration: none;
  display: block;
}

.anchor-nav a:hover,
.anchor-nav a.active {
  background: var(--seal);
  width: 24px;
  border-radius: 4px;
}

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

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(3px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), filter 0.7s var(--ease);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero { min-height: auto; padding-bottom: 60px; }
  .feature-inner { grid-template-columns: 1fr; gap: 40px; }
  .feature-inner.reverse .feature-text { order: 1; }
  .feature-inner.reverse .feature-visual { order: 2; }
  .section-connect .connect-inner,
  .connect-inner { grid-template-columns: 1fr; }
  .publish-images { grid-template-columns: 1fr; }
  .deposit-features { grid-template-columns: 1fr; gap: 20px; }
  .blog-grid, .blog-index-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .closure-ring { width: 260px; height: 260px; }
  .closure-node {
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-110px) rotate(calc(-1 * var(--angle)));
  }
  .closure-center { width: 48px; height: 48px; font-size: 17px; }
  .manifesto-inner h2 { font-size: clamp(28px, 6vw, 44px); }
  .section-cta, .section-manifesto { padding: 100px 0; }
}

@media (max-width: 600px) {
  :root { --nav-h: 56px; }
  .section { padding: 64px 0; }
  .nav-links { gap: 16px; }
  .nav-link { font-size: 13px; }
  .hero-text h1 { font-size: 32px; line-height: 1.18; }
  .hero-eyebrow { font-size: 14px; gap: 10px; margin-bottom: 20px; }
  .hero-text .hero-desc { padding-left: 14px; font-size: 15px; }
  .hero-checks { gap: 4px 16px; margin-bottom: 24px; }
  .hero-checks li { font-size: 12px; }
  .hero-actions .btn { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .float-qr-wrap { display: none; }
  .nav-gh { display: none; }
  .closure-ring { width: 220px; height: 220px; }
  .closure-node {
    transform: translate(-50%, -50%) rotate(var(--angle)) translateY(-90px) rotate(calc(-1 * var(--angle)));
  }
  .node-dot { width: 34px; height: 34px; font-size: 11px; }
  .node-label { font-size: 11px; }
  .download-grid { grid-template-columns: 1fr; }
}