/* ==========================================================================
   OCRFlow — docs site
   Brand: Pulse Violet #5B2EEF · Graphite #141225 · Hanken Grotesk / IBM Plex Mono
   ========================================================================== */

:root {
  /* Brand palette */
  --violet: #5B2EEF;
  --violet-bright: #7A54F5;
  --violet-soft: #EDE9FE;
  --graphite: #141225;
  --night: #15131F;
  --carbon: #211D30;
  --carbon-2: #262234;
  --slate: #9A95B5;
  --slate-dim: #6F6C84;
  --mist: #EDEBF2;
  --paper: #FFFFFF;

  /* Semantic (dark canvas theme) */
  --bg: #0E0C18;
  --bg-elev: #15131F;
  --surface: #1A1727;
  --surface-2: #211D30;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #F4F2FA;
  --text-muted: #A5A0BD;
  --text-dim: #6F6C84;

  --accent: var(--violet);
  --accent-glow: rgba(91, 46, 239, 0.45);

  --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;

  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ------------------------------------------------------------------ Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Atmospheric background: dot-grid canvas + violet glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
body::after {
  content: "";
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  z-index: -2;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  opacity: 0.35;
  filter: blur(30px);
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ---------------------------------------------------------------- Layout */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

section { position: relative; padding-block: 96px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.section-label::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
h2.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 18px;
}
.section-intro {
  color: var(--text-muted);
  font-size: 1.08rem;
  max-width: 620px;
}

/* --------------------------------------------------------------- Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px -6px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px var(--accent-glow), inset 0 1px 0 rgba(255,255,255,0.25); }
.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); border-color: var(--accent); transform: translateY(-2px); }

/* ------------------------------------------------------------------- Nav */
header.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(14, 12, 24, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
header.nav.scrolled { border-bottom-color: var(--border); background: rgba(14, 12, 24, 0.9); }
.nav-inner {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo img { height: 26px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a.navlink {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}
.nav-links a.navlink:hover { color: var(--text); }
.nav-links a.navlink::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}
.nav-links a.navlink:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; }

/* Theme toggle */
.theme-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--border-strong);
  background: rgba(128, 120, 160, 0.06);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.2s var(--ease);
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .ic-sun { display: none; }
.theme-toggle .ic-moon { display: block; }
:root[data-theme="light"] .theme-toggle .ic-sun { display: block; }
:root[data-theme="light"] .theme-toggle .ic-moon { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ------------------------------------------------------------------ Hero */
.hero { padding-top: 70px; padding-bottom: 90px; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 100px;
  margin-bottom: 26px;
}
.hero-badge b { color: var(--violet-soft); font-weight: 600; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 10px rgba(91,46,239,0); }
  100% { box-shadow: 0 0 0 0 rgba(91,46,239,0); }
}
.hero h1 {
  font-size: clamp(2.6rem, 6.2vw, 4.4rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--violet-bright), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px 30px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta span::before { content: "→"; color: var(--accent); }

/* Hero canvas card (node graph mock) */
.canvas-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(33,29,48,0.6), rgba(21,19,31,0.85));
  padding: 20px;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.7);
  overflow: hidden;
}
.canvas-card::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.6;
}
.canvas-toolbar {
  position: relative;
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 16px; margin-bottom: 6px;
}
.canvas-toolbar .dot { width: 11px; height: 11px; border-radius: 50%; background: var(--carbon-2); }
.canvas-toolbar .dot:nth-child(1) { background: #E0245E; opacity: .55;}
.canvas-toolbar .dot:nth-child(2) { background: #FF5A2C; opacity: .55;}
.canvas-toolbar .dot:nth-child(3) { background: #12A65B; opacity: .55;}
.canvas-toolbar .title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--text-dim); text-transform: uppercase;
}
.canvas-stage { position: relative; height: 340px; }
.canvas-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.node {
  position: absolute;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 11px 13px;
  width: 150px;
  box-shadow: 0 12px 30px -14px rgba(0,0,0,0.8);
  z-index: 2;
}
.node .node-head { display: flex; align-items: center; gap: 8px; margin-bottom: 7px; }
.node .node-ic { width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; background: rgba(91,46,239,0.16); color: var(--violet-bright); }
.node .node-ic svg { width: 12px; height: 12px; }
.node .node-name { font-size: 0.82rem; font-weight: 600; }
.node .node-tag { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 0.04em; }
.node.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 16px 40px -12px var(--accent-glow);
}
.node.active .node-ic { background: var(--accent); color: #fff; }
.node .port {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  background: var(--night); border: 2px solid var(--slate-dim);
  top: 50%; transform: translateY(-50%);
}
.node .port.in { left: -6px; }
.node .port.out { right: -6px; }
.node.active .port { border-color: var(--accent); background: var(--violet); }

.n1 { top: 18px; left: 8px; }
.n2 { top: 130px; left: 190px; }
.n3 { top: 40px; right: 8px; }
.n4 { bottom: 16px; left: 40px; }

.wire { fill: none; stroke: var(--slate-dim); stroke-width: 2; opacity: 0.5; }
.wire.live { stroke: var(--accent); opacity: 0.9; stroke-dasharray: 6 8; animation: flow 1.1s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -28; } }

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .canvas-card { order: 2; }
}

/* -------------------------------------------------------------- Marquee */
.trust {
  border-block: 1px solid var(--border);
  padding-block: 26px;
  background: rgba(255,255,255,0.015);
}
.trust-inner { display: flex; align-items: center; gap: 14px 40px; flex-wrap: wrap; justify-content: center; }
.trust-inner .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.trust-pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(255,255,255,0.02);
}

/* -------------------------------------------------------------- Features */
.features-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; flex-wrap: wrap; margin-bottom: 48px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  background: linear-gradient(180deg, rgba(33,29,48,0.35), rgba(21,19,31,0.35));
  transition: transform 0.35s var(--ease), border-color 0.3s, background 0.3s;
  overflow: hidden;
}
.feature::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(91,46,239,0.10), transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature:hover::after { opacity: 1; }
.feature .f-ic {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(91,46,239,0.14);
  color: var(--violet-bright);
  margin-bottom: 18px;
}
.feature .f-ic svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature p { font-size: 0.96rem; color: var(--text-muted); }
.feature .f-num {
  position: absolute; top: 20px; right: 22px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim);
}
.feature.wide { grid-column: span 3; display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.feature.wide .f-ic { margin-bottom: 0; }

@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } .feature.wide { grid-column: span 2; } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } .feature.wide { grid-column: span 1; grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Architecture */
.arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: stretch; }
.arch-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(33,29,48,0.4), rgba(21,19,31,0.5));
  padding: 28px;
}
.arch-panel .ap-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 6px;
}
.arch-panel h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.arch-panel p { color: var(--text-muted); font-size: 0.97rem; margin-bottom: 20px; }
.arch-layers { display: flex; flex-direction: column; gap: 10px; }
.layer {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  font-size: 0.9rem;
}
.layer .lk { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); min-width: 62px; letter-spacing: 0.04em; }
.layer .lv { color: var(--text); font-weight: 500; }
.arch-flow {
  grid-column: span 2;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  background: rgba(255,255,255,0.015);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.flow-node { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; flex: 1; min-width: 120px; }
.flow-node .fn-box {
  width: 100%; min-height: 66px;
  border: 1px solid var(--border-strong); border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  color: var(--violet-bright);
}
.flow-node .fn-box svg { width: 24px; height: 24px; }
.flow-node .fn-l { font-size: 0.82rem; font-weight: 600; }
.flow-node .fn-s { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 0.05em; }
.flow-arrow { color: var(--slate-dim); font-size: 1.4rem; flex: 0 0 auto; }

@media (max-width: 820px) {
  .arch-grid { grid-template-columns: 1fr; }
  .arch-panel:first-child, .arch-flow { grid-column: span 1; }
  .flow-arrow { transform: rotate(90deg); }
  .arch-flow { flex-direction: column; }
  .flow-node { width: 100%; }
}

/* ------------------------------------------------------------- Quickstart */
.qs-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start; }
.qs-steps { display: flex; flex-direction: column; gap: 4px; }
.qs-step {
  display: flex; gap: 16px; padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.qs-step:last-child { border-bottom: none; }
.qs-step .qn {
  flex: 0 0 auto;
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600;
  background: rgba(91,46,239,0.14); color: var(--violet-bright);
  border: 1px solid var(--border);
}
.qs-step h4 { font-size: 1.02rem; font-weight: 600; margin-bottom: 3px; }
.qs-step p { font-size: 0.92rem; color: var(--text-muted); }
.qs-step code { font-family: var(--font-mono); font-size: 0.85em; color: var(--violet-soft); background: rgba(91,46,239,0.1); padding: 1px 6px; border-radius: 5px; }

.code-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0B0A14;
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.8);
}
.code-tabs { display: flex; gap: 2px; padding: 8px 8px 0; border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.code-tab {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--text-dim);
  padding: 10px 16px; border: none; background: none; cursor: pointer;
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.code-tab:hover { color: var(--text-muted); }
.code-tab.active { color: var(--text); border-bottom-color: var(--accent); background: rgba(91,46,239,0.06); }
.code-body { position: relative; }
.code-copy {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  padding: 5px 10px; border-radius: 7px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  z-index: 3;
}
.code-copy:hover { color: var(--text); border-color: var(--accent); }
.code-pane { display: none; }
.code-pane.active { display: block; }
pre {
  margin: 0; padding: 22px 22px 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.75;
  color: #D7D3E8;
  tab-size: 2;
}
pre .c { color: #5F5B78; }        /* comment */
pre .k { color: var(--violet-bright); }  /* command / keyword */
pre .s { color: #7FD6A0; }        /* string / path */
pre .p { color: #E8A56B; }        /* prompt sign */

@media (max-width: 820px) { .qs-grid { grid-template-columns: 1fr; gap: 28px; } }

/* --------------------------------------------------------------- Roadmap */
.timeline { position: relative; margin-top: 40px; }
.timeline::before {
  content: ""; position: absolute; left: 15px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(var(--accent), var(--border));
}
.tl-item { position: relative; padding-left: 52px; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: 6px; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--border-strong); background: var(--bg);
  display: grid; place-items: center;
}
.tl-item.done .tl-dot { border-color: var(--accent); background: var(--accent); }
.tl-item.done .tl-dot::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #fff; }
.tl-item.active .tl-dot { border-color: var(--accent); }
.tl-item.active .tl-dot::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.tl-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.tl-head h4 { font-size: 1.08rem; font-weight: 700; }
.tl-badge { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; padding: 3px 9px; border-radius: 100px; }
.tl-badge.b-done { color: #7FD6A0; background: rgba(18,166,91,0.12); }
.tl-badge.b-now { color: var(--violet-soft); background: rgba(91,46,239,0.18); }
.tl-badge.b-next { color: var(--text-dim); background: rgba(255,255,255,0.05); }
.tl-item p { color: var(--text-muted); font-size: 0.96rem; }

/* --------------------------------------------------------------------- CTA */
.cta-band {
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(600px circle at 50% -20%, rgba(91,46,239,0.28), transparent 60%),
    linear-gradient(180deg, rgba(33,29,48,0.5), rgba(21,19,31,0.6));
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse 60% 100% at 50% 0%, #000, transparent 75%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.cta-band p { color: var(--text-muted); max-width: 500px; margin: 0 auto 30px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ------------------------------------------------------------------ Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding-block: 54px 40px;
  margin-top: 40px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.foot-brand img { height: 26px; margin-bottom: 16px; }
.foot-brand p { color: var(--text-muted); font-size: 0.94rem; max-width: 280px; }
.foot-col h5 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px; }
.foot-col a { display: block; color: var(--text-muted); font-size: 0.94rem; padding: 5px 0; transition: color 0.2s; }
.foot-col a:hover { color: var(--text); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding-top: 26px; border-top: 1px solid var(--border); }
.foot-bottom p { font-size: 0.86rem; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.02em; }
.foot-bottom .accent-line { color: var(--violet-soft); }

@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .foot-grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ Scroll reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
.reveal.d5 { transition-delay: 0.40s; }

/* ==========================================================================
   LIGHT THEME
   Paper base · Graphite ink · Pulse Violet holds the accent
   ========================================================================== */
:root[data-theme="light"] {
  --bg: #F6F5FB;
  --bg-elev: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F1EFF8;
  --border: rgba(20, 18, 37, 0.10);
  --border-strong: rgba(20, 18, 37, 0.16);
  --text: #141225;
  --text-muted: #56526E;
  --text-dim: #8B86A4;
  --accent-glow: rgba(91, 46, 239, 0.24);
}

/* Background canvas: dark dots on paper, softer glow */
:root[data-theme="light"] body::before {
  background-image: radial-gradient(rgba(20, 18, 37, 0.06) 1px, transparent 1px);
}
:root[data-theme="light"] body::after { opacity: 0.22; }

/* Nav */
:root[data-theme="light"] header.nav { background: rgba(246, 245, 251, 0.72); }
:root[data-theme="light"] header.nav.scrolled { background: rgba(246, 245, 251, 0.92); }
:root[data-theme="light"] .theme-toggle { background: rgba(20, 18, 37, 0.03); }

/* Hero badge / meta / pills */
:root[data-theme="light"] .hero-badge { background: #fff; }
:root[data-theme="light"] .hero-badge b { color: var(--violet); }
:root[data-theme="light"] .hero h1 .accent { background: linear-gradient(120deg, var(--violet), #4A22C8); -webkit-background-clip: text; background-clip: text; }

/* Surfaces that used dark translucency → light paper cards */
:root[data-theme="light"] .canvas-card,
:root[data-theme="light"] .feature,
:root[data-theme="light"] .arch-panel {
  background: linear-gradient(180deg, #FFFFFF, #FAF9FE);
  box-shadow: 0 24px 60px -34px rgba(20, 18, 37, 0.28);
}
:root[data-theme="light"] .canvas-card::before,
:root[data-theme="light"] .cta-band::before {
  background-image: radial-gradient(rgba(20, 18, 37, 0.05) 1px, transparent 1px);
}
:root[data-theme="light"] .node {
  background: linear-gradient(180deg, #FFFFFF, #F5F3FB);
  box-shadow: 0 12px 28px -16px rgba(20, 18, 37, 0.35);
}
:root[data-theme="light"] .node .port { background: #FFFFFF; }
:root[data-theme="light"] .node .node-ic { background: rgba(91, 46, 239, 0.12); }

/* Strips & translucent fills */
:root[data-theme="light"] .trust { background: rgba(20, 18, 37, 0.015); }
:root[data-theme="light"] .trust-pill,
:root[data-theme="light"] .layer,
:root[data-theme="light"] .btn-ghost { background: #fff; }
:root[data-theme="light"] .btn-ghost:hover { background: #FAF9FE; }
:root[data-theme="light"] .flow-node .fn-box { background: linear-gradient(180deg, #FFFFFF, #F3F1FA); }
:root[data-theme="light"] .arch-flow { background: rgba(20, 18, 37, 0.015); }
:root[data-theme="light"] .qs-step code,
:root[data-theme="light"] .feature .f-ic { background: rgba(91, 46, 239, 0.10); }
:root[data-theme="light"] .qs-step code { color: var(--violet); }

/* CTA band */
:root[data-theme="light"] .cta-band {
  background:
    radial-gradient(600px circle at 50% -20%, rgba(91, 46, 239, 0.18), transparent 60%),
    linear-gradient(180deg, #FFFFFF, #FAF9FE);
  box-shadow: 0 30px 70px -40px rgba(20, 18, 37, 0.3);
}

/* Roadmap badges + timeline dots read on paper */
:root[data-theme="light"] .tl-dot { background: var(--bg); }
:root[data-theme="light"] .tl-badge.b-next { background: rgba(20, 18, 37, 0.06); color: var(--text-dim); }
:root[data-theme="light"] .tl-badge.b-done { color: #0F8A4B; }

/* The terminal card stays dark in both themes for contrast — no override needed. */