/* ============================================================
   GuiKe · 贵客 — 官网设计系统  v2
   「精密礼宾」审美：暖墨黑底 + 鎏金 + 信号青绿
   衬线大标题 × 等宽数据标注 × 精密示意插画
   ============================================================ */

:root {
  /* 表面 */
  --bg: #0C0A06;
  --bg-2: #12100A;
  --bg-3: #18150D;
  --bg-4: #201B10;
  /* 文字 */
  --ink: #F2ECDC;
  --ink-soft: #B6AC96;
  --ink-faint: #7E7561;
  /* 品牌金 */
  --gold: #D6A94F;
  --gold-bright: #F0CE86;
  --gold-deep: #A67A28;
  --gold-dim: rgba(214, 169, 79, 0.12);
  --gold-glow: rgba(214, 169, 79, 0.22);
  /* 信号青（数据 / 路由 / 在线） */
  --signal: #4FB3A5;
  --signal-dim: rgba(79, 179, 165, 0.14);
  /* 线 */
  --line: #2A2315;
  --line-soft: #211C10;
  --line-gold: rgba(214, 169, 79, 0.28);
  /* 尺寸 */
  --radius: 18px;
  --radius-sm: 10px;
  --maxw: 1140px;
  /* 字体 */
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "Songti SC", "Noto Serif SC", "SimSun", Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, "Liberation Mono", "Noto Sans Mono", monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 560px at 50% -12%, rgba(214, 169, 79, 0.07), transparent 60%),
    radial-gradient(820px 480px at 100% -4%, rgba(79, 179, 165, 0.055), transparent 62%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 精密网格 + 颗粒纹理（全站氛围层） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 236, 220, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 236, 220, 0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(1200px 640px at 50% 0%, #000 0%, transparent 82%);
  mask-image: radial-gradient(1200px 640px at 50% 0%, #000 0%, transparent 82%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

header, main, footer { position: relative; z-index: 1; }

/* 顶部阅读进度发丝线 */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  background: linear-gradient(90deg, var(--gold), var(--signal));
  transform-origin: 0 50%;
  transform: scaleX(0);
  pointer-events: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.015em;
  margin: 0 0 0.55em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 6vw, 4.15rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.22rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

::selection { background: var(--gold-glow); color: var(--ink); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- 等宽标注 ---------- */
.eyebrow,
.tag,
.label,
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--gold);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
}
.eyebrow .idx { color: var(--ink-faint); }

.label {
  font-size: 0.68rem;
  color: var(--ink-faint);
}

/* 在线状态点 */
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 0 rgba(79, 179, 165, 0.55);
  animation: dotPulse 2.6s ease-out infinite;
}
.dot.gold { background: var(--gold); box-shadow: 0 0 0 0 rgba(214, 169, 79, 0.55); }
@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(79, 179, 165, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(79, 179, 165, 0); }
  100% { box-shadow: 0 0 0 0 rgba(79, 179, 165, 0); }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 10, 6, 0.72);
  backdrop-filter: saturate(150%) blur(16px);
  -webkit-backdrop-filter: saturate(150%) blur(16px);
  border-bottom: 1px solid var(--line-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.38rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand .logo-mark { height: 24px; width: 24px; flex: none; }
.brand .zh { font-size: 0.9rem; color: var(--ink-faint); font-family: var(--font-sans); font-weight: 400; letter-spacing: 0.02em; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  display: inline-block;
  padding: 8px 15px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
  position: relative;
}
.nav a:hover { background: var(--bg-3); text-decoration: none; color: var(--ink); }
.nav a[aria-current="page"] { color: var(--gold); }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 1px;
  background: var(--gold);
}

.lang {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: var(--bg-2);
}
.lang a {
  padding: 4px 13px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}
.lang a.active { background: var(--gold); color: #171204; }
.lang a:hover { text-decoration: none; color: var(--ink); }
.lang a.active:hover { color: #171204; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 11px;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding: 84px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero .container { position: relative; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.hero-copy { position: relative; }

.hero h1 { max-width: 15ch; margin-bottom: 0.5em; }
.hero h1 .em {
  color: var(--gold);
  font-style: italic;
}
.hero .subtitle {
  font-size: 1.12rem;
  color: var(--ink-soft);
  max-width: 47ch;
  margin-bottom: 34px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.97rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.14s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary,
.btn-gold {
  background: var(--gold);
  color: #171204;
  box-shadow: 0 6px 24px -8px rgba(214, 169, 79, 0.5);
}
.btn-primary:hover, .btn-gold:hover { background: var(--gold-bright); box-shadow: 0 10px 30px -8px rgba(214, 169, 79, 0.55); }
.btn-outline { border-color: var(--line); color: var(--ink); background: rgba(18, 16, 10, 0.5); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn .arr { font-family: var(--font-mono); transition: transform 0.18s ease; }
.btn:hover .arr { transform: translateX(3px); }

/* 状态读数条 */
.statusbar {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  border-top: 1px solid var(--line-soft);
  padding-top: 22px;
}
.statusbar .stat { display: inline-flex; align-items: center; gap: 8px; }
.statusbar .k { color: var(--ink-faint); text-transform: uppercase; }
.statusbar .v { color: var(--ink-soft); }

/* 取景框四角 */
.corners { position: absolute; inset: 0; pointer-events: none; }
.corners i {
  position: absolute;
  width: 15px;
  height: 15px;
  border: 1px solid var(--gold);
  opacity: 0.5;
}
.corners i:nth-child(1) { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.corners i:nth-child(2) { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.corners i:nth-child(3) { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.corners i:nth-child(4) { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* 示意插画容器 */
.schema { width: 100%; height: auto; display: block; }
.schema text { font-family: var(--font-mono); letter-spacing: 0.08em; }
.schema .wire { fill: none; stroke: var(--line); stroke-width: 1.2; }
.schema .wire-gold { fill: none; stroke: var(--line-gold); stroke-width: 1.2; }
.schema .wire-signal { fill: none; stroke: rgba(79, 179, 165, 0.5); stroke-width: 1.2; }
.schema .node { fill: var(--bg-3); stroke: var(--gold); stroke-width: 1.4; }
.schema .node-fill { fill: var(--gold); stroke: none; }
.schema .node-signal { fill: var(--signal); stroke: none; }
.schema .lbl { fill: var(--ink-faint); }
.schema .lbl-ink { fill: var(--ink-soft); }
.schema .lbl-gold { fill: var(--gold); }
.schema .flow { stroke-dasharray: 5 9; animation: dash 22s linear infinite; }
.schema .flow-slow { stroke-dasharray: 4 12; animation: dash 30s linear infinite reverse; }
@keyframes dash { to { stroke-dashoffset: -140; } }
.schema .pulse { animation: nodePulse 2.8s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
.schema .pulse2 { animation: nodePulse 2.8s ease-in-out infinite 1.4s; transform-origin: center; transform-box: fill-box; }
@keyframes nodePulse { 0%, 100% { opacity: 0.45; } 50% { opacity: 1; } }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section-head { max-width: 660px; margin-bottom: 48px; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { margin-bottom: 0.35em; }
.lede { font-size: 1.05rem; color: var(--ink-soft); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.card:hover {
  border-color: var(--line-gold);
  transform: translateY(-3px);
  background: var(--bg-4);
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 0.98rem; margin-bottom: 0; }
.card .num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}
.card .num::after { content: ""; display: block; width: 30px; height: 1px; background: var(--line-gold); margin-top: 10px; }

/* 卡片右上角取景刻度 */
.card::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 12px;
  height: 12px;
  border-top: 1px solid var(--line-gold);
  border-right: 1px solid var(--line-gold);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.card:hover::after { opacity: 1; }

/* 卡片内小字形图标 */
.glyph { width: 34px; height: 34px; margin-bottom: 18px; display: block; color: var(--gold); }
.glyph path, .glyph circle, .glyph line, .glyph rect, .glyph polyline { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* 产品卡片 + 插画 */
.product-card { display: flex; flex-direction: column; height: 100%; }
.product-card .fig {
  margin: 2px 0 22px;
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: var(--bg-2);
  overflow: hidden;
}
.product-card .fig .schema { width: 100%; height: auto; }
.more {
  margin-top: auto;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.more .arr { display: inline-block; transition: transform 0.18s ease; }
.product-card:hover .more .arr { transform: translateX(4px); }

/* 数据键值读条 */
.data-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.data-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.data-list .k { color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.data-list .v { color: var(--ink-soft); text-align: right; }
.data-list .v.gold { color: var(--gold); }
.data-list .v.signal { color: var(--signal); }

/* ---------- Feature list ---------- */
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 15px; }
.feature-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  color: var(--ink-soft);
}
.feature-list li::before {
  content: "";
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border-radius: 6px;
  background: var(--gold-dim);
  border: 1px solid var(--line-gold);
  position: relative;
}
.feature-list li::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  margin-left: -14px;
  margin-top: 10px;
  background: var(--gold);
  clip-path: polygon(100% 50%, 0 0, 0 100%);
}
.feature-list li { position: relative; }

/* ---------- Product blocks ---------- */
.product {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 52px;
  align-items: center;
}
.product + .product { margin-top: 76px; padding-top: 72px; border-top: 1px solid var(--line); }

.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 18px;
}

/* 插画面板 */
.panel {
  position: relative;
  background:
    radial-gradient(340px 240px at 50% 40%, var(--gold-dim), transparent 72%),
    var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.panel .cap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Quote / pull ---------- */
.pull {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.42;
  color: var(--ink);
  font-style: italic;
  margin: 40px 0;
  padding-left: 28px;
  border-left: 2px solid var(--line-gold);
}
.pull::before {
  content: "“";
  color: var(--gold);
  font-size: 1.35em;
  line-height: 1;
  vertical-align: -0.22em;
  margin-right: 4px;
  font-style: normal;
}

/* ---------- Blog ---------- */
.post-list { display: grid; gap: 20px; }
.post-item {
  display: block;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  color: var(--ink);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.post-item:hover { border-color: var(--line-gold); transform: translateY(-2px); background: var(--bg-4); text-decoration: none; }
.post-item .date { font-size: 0.78rem; font-family: var(--font-mono); letter-spacing: 0.06em; color: var(--gold); }
.post-item h3 { margin: 10px 0 8px; }

.prose { max-width: 720px; }
.prose h1 { font-size: clamp(2rem, 4.6vw, 3rem); }
.prose h2 { margin-top: 2.2em; }
.prose p, .prose li { color: var(--ink-soft); }
.prose strong, .prose b { color: var(--ink); font-weight: 600; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose blockquote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  border-left: 2px solid var(--gold);
  padding-left: 22px;
  color: var(--ink);
  margin: 32px 0;
  font-style: italic;
}
.post-meta {
  color: var(--ink-faint);
  font-size: 0.86rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  margin-bottom: 30px;
}

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  transition: border-color 0.2s ease;
}
.faq details:hover { border-color: var(--line-gold); }
.faq details[open] { border-color: var(--line-gold); background: var(--bg-4); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 1.2rem;
  margin-left: 16px;
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 14px 0 0; color: var(--ink-soft); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: start; }
.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.contact-method .k {
  font-weight: 600;
  min-width: 96px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  text-transform: uppercase;
}
.contact-method .v { color: var(--ink-soft); word-break: break-all; }
.contact-method .v a { color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 72px 0 44px;
  margin-top: 60px;
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; }
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  margin-bottom: 16px;
  font-weight: 500;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 11px; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--gold); }
.footer-bottom {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--ink-faint);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}
.footer-bottom .sig { color: var(--ink-faint); }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: 2; }
  .product { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 18px;
  }
  .nav.open { display: flex; }
  .nav a { border-radius: 10px; padding: 12px 15px; }
  .nav-toggle { display: inline-block; }
  .lang.desktop { display: none; }
  .lang.mobile { display: flex; margin-top: 6px; }
}
@media (min-width: 861px) {
  .lang.mobile { display: none; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
}

/* ---------- Motion (respect reduced motion) ----------
   仅在 JS 可用（<html> 带 .js 类）时才隐藏待显元素；
   无 JS / SEO 抓取时内容保持可见。 */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(2px);
    transition: opacity 0.7s ease var(--d, 0s), transform 0.7s ease var(--d, 0s), filter 0.7s ease var(--d, 0s);
  }
  .js .reveal.in { opacity: 1; transform: none; filter: none; }
  .hero-visual { animation: float 9s ease-in-out infinite; }
  @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
}

@media (prefers-reduced-motion: reduce) {
  .schema .flow, .schema .flow-slow, .schema .pulse, .schema .pulse2, .dot, .hero-visual {
    animation: none !important;
  }
}