/* ============================================================
   JetStreams — design system
   Mission-control editorial. Void background, electric signal.
   ============================================================ */

/* Self-hosted Google Fonts (latin subset).
   Geist + Geist Mono © Vercel (OFL-1.1)
   Instrument Serif © Instrument (OFL-1.1) */
@font-face {
  font-family: 'Geist';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url(/assets/fonts/gyByhwUxId8gMEwcGFWNOITd.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Geist Mono';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(/assets/fonts/or3nQ6H-1_WfwkMZI_qYFrcdmhHkjko.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/jizBRFtNs2ka5fXjeivQ4LroWlx-6zUTjnTLgNs.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/jizHRFtNs2ka5fXjeivQ4LroWlx-6zAjjH7Motmp5g.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Color */
  --void:        #050609;
  --void-2:      #07090E;
  --surface:     #0B0E15;
  --surface-2:   #10141D;
  --surface-3:   #161B26;
  --line:        #1B2230;
  --line-2:      #232C3D;
  --line-strong: #2E3850;

  --ink:         #ECEEF3;
  --ink-2:       #C8CEDB;
  --ink-dim:     #8A93A4;
  --ink-mute:    #5C6577;
  --ink-faint:   #3A4255;

  --signal:      #7DF9E1;
  --signal-2:    #5BFFE2;
  --signal-soft: rgba(125, 249, 225, 0.12);
  --electric:    #3D7DFF;
  --electric-2: #6499FF;
  --electric-soft: rgba(61, 125, 255, 0.14);
  --live:        #FF3D7F;
  --live-soft:   rgba(255, 61, 127, 0.12);
  --warn:        #FFD23F;
  --good:        #5DFFC9;
  --plum:        #B485FF;

  /* Type */
  --font-display: 'Instrument Serif', 'Times New Roman', serif;
  --font-sans:    'Geist', system-ui, sans-serif;
  --font-mono:    'Geist Mono', ui-monospace, 'SFMono-Regular', monospace;

  /* Spacing rhythm */
  --pad: clamp(20px, 4vw, 56px);
  --rad: 14px;
  --rad-lg: 22px;
  --rad-sm: 8px;

  --shadow-lift: 0 24px 60px -30px rgba(125, 249, 225, 0.20), 0 1px 0 rgba(255,255,255,0.04) inset;

  /* Structural tokens (themable) */
  --on-accent:   #050609;          /* text on a signal-colored fill (buttons) */
  --bg-grad-top: #060810;
  --bg-grad-bot: #04060A;
  --grid-rgb:    140, 160, 200;    /* body grid overlay line color */
  --nav-bg:      rgba(11, 14, 21, 0.62);
  --btn-face:    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));

  /* Pipeline SVG tokens */
  --svg-grid:    #243049;
  --svg-edge:    rgba(125, 249, 225, 0.22);
}

/* ============================ LIGHT THEME ============================ */
/* Dark is the default (no attribute; the dark tokens live in :root above).
   Toggling sets data-theme="light" on <html>. Resets on reload (no
   persistence) by design. */
[data-theme="light"] {
  --void:        #FBFCFE;
  --void-2:      #EEF1F8;
  --surface:     #FFFFFF;
  --surface-2:   #F4F6FB;
  --surface-3:   #ECEFF6;
  --line:        #E2E7F0;
  --line-2:      #D5DCE8;
  --line-strong: #C2CCDD;

  --ink:         #10141B;
  --ink-2:       #2C3340;
  --ink-dim:     #4F5969;
  --ink-mute:    #5F6B7D;
  --ink-faint:   #AEB7C6;

  --signal:      #0A7D6B;          /* darker teal — passes WCAG AA as text on light */
  --signal-2:    #0A8F79;
  --signal-soft: rgba(10, 125, 107, 0.12);
  --electric:    #2C6BF0;
  --electric-2:  #1E5AD6;
  --electric-soft: rgba(44, 107, 240, 0.12);
  --live:        #D11760;
  --live-soft:   rgba(209, 23, 96, 0.12);
  --warn:        #9A6700;
  --good:        #0A8A66;
  --plum:        #7C4DD0;

  --shadow-lift: 0 24px 60px -30px rgba(20, 40, 80, 0.18), 0 1px 0 rgba(255,255,255,0.6) inset;

  --on-accent:   #06120F;          /* near-black stays dark on teal in light too */
  --bg-grad-top: #FBFCFE;
  --bg-grad-bot: #EEF1F8;
  --grid-rgb:    30, 50, 90;
  --nav-bg:      rgba(255, 255, 255, 0.72);
  --btn-face:    linear-gradient(180deg, rgba(20,40,80,0.03), rgba(20,40,80,0.01));

  --svg-grid:    #D5DCE8;
  --svg-edge:    rgba(10, 125, 107, 0.42);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(1200px 600px at 75% -10%, rgba(61, 125, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at 12% 8%, rgba(125, 249, 225, 0.06), transparent 60%),
    linear-gradient(180deg, var(--bg-grad-top) 0%, var(--bg-grad-bot) 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background grid overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(var(--grid-rgb), 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--grid-rgb), 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, black 50%, transparent 90%);
}

/* Fine grain noise overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.8 0 0 0 0 0.85 0 0 0 0 1 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.55;
  mix-blend-mode: overlay;
}

main, header, footer, section { position: relative; z-index: 2; }

::selection { background: var(--signal); color: var(--void); }

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

button { font-family: inherit; }

/* ============================================================
   Typography
   ============================================================ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft), 0 0 16px var(--signal-2);
  animation: blink 2.2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Display headlines now match the JetStreams logo wordmark: heavy italic sans. */
.h-display {
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.028em;
  color: var(--ink);
  margin: 0;
}
.h-display em {
  font-family: var(--font-sans);
  font-style: italic;
  color: var(--signal);
  font-weight: 700;
}

.h-section {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.024em;
  margin: 0 0 12px 0;
  color: var(--ink);
}
.h-section .roman { font-style: normal; }

.lead {
  font-size: clamp(1rem, 1.05vw, 1.125rem);
  line-height: 1.65;
  color: var(--ink-2);
  max-width: 60ch;
  margin: 0;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============================================================
   Layout
   ============================================================ */

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

section { padding: clamp(80px, 10vw, 140px) 0; }
.sep { border-top: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 80ch;
}

/* ============================================================
   Nav
   ============================================================ */

.nav {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 1160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 10px 18px;
  border-radius: 14px;
  background: var(--nav-bg);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid var(--line);
  z-index: 100;
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--btn-face);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease, color 200ms ease;
}
.theme-toggle:hover { border-color: var(--signal); color: var(--ink); background: var(--signal-soft); }
.theme-toggle .icon { width: 17px; height: 17px; display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
}
.nav-brand img {
  height: 72px;
  width: auto;
  display: block;
}
.nav-brand svg { color: var(--electric); width: 34px; height: auto; }
.nav-links {
  display: flex;
  gap: 26px;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.nav-links a {
  position: relative;
  transition: color 180ms ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

.btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--line-2);
  background: var(--btn-face);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn:hover { border-color: var(--signal); background: rgba(125, 249, 225, 0.06); }
.btn.primary {
  background: var(--signal);
  color: var(--on-accent);
  border-color: var(--signal);
  font-weight: 600;
}
.btn.primary:hover { background: var(--signal-2); color: var(--on-accent); }
.btn .arrow { transition: transform 200ms ease; }
.btn:hover .arrow { transform: translateX(3px); }

@media (max-width: 820px) {
  .nav-links { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  padding-top: clamp(140px, 18vw, 220px);
  padding-bottom: clamp(40px, 5vw, 80px);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
  margin-top: clamp(40px, 5vw, 72px);
}
.hero-copy { max-width: 980px; }
.hero .h-display {
  margin-top: 18px;
  max-width: 20ch;
  /* Match the JetStreams logo wordmark: heavy italic sans, not editorial serif. */
  font-family: var(--font-sans);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(2rem, 4.6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.028em;
}
.hero .h-display em {
  font-family: var(--font-sans);
  font-style: italic;
  font-weight: 700;
  color: var(--signal);
}
.hero .lead { margin-top: 22px; max-width: 60ch; }
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .hero .h-display { max-width: none; }
}

/* Live status card (right side of hero on wide screens) */
.hero-side { width: 100%; }
.status-card {
  position: sticky;
  top: 110px;
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  background:
    radial-gradient(420px 200px at 20% 0%, rgba(125, 249, 225, 0.10), transparent 70%),
    linear-gradient(180deg, var(--surface), var(--void-2));
  padding: 22px 22px 18px;
  box-shadow: var(--shadow-lift);
}
.status-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}
.status-id { display: flex; align-items: center; gap: 10px; color: var(--ink-2); }
.status-id .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px var(--live-soft), 0 0 14px var(--live);
  animation: blink 1.6s ease-in-out infinite;
}
.status-region {
  border: 1px solid var(--line-2);
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--ink-dim);
  font-size: 10.5px;
}

.status-list {
  list-style: none;
  margin: 0;
  padding: 6px 0 0;
}
.status-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.status-list li:last-child { border-bottom: none; }
.status-list .lbl {
  grid-column: 1; grid-row: 1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.status-list .num {
  grid-column: 2; grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.4rem, 2vw, 1.7rem);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  text-align: right;
}
.status-list .num .unit {
  font-size: 0.6em;
  color: var(--ink-dim);
  margin-left: 4px;
  font-weight: 400;
}
.status-list .trend {
  grid-column: 1; grid-row: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.status-list .trend .ok { color: var(--good); }

.status-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
}
.status-foot .kbd {
  border: 1px solid var(--line-2);
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.06em;
}
.status-foot .see-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--signal);
  transition: gap 200ms ease, color 200ms ease;
}
.status-foot .see-more:hover { gap: 10px; color: var(--signal-2); }

@media (max-width: 1080px) {
  .status-card { position: static; }
}
.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Pipeline visualization */
.pipeline {
  position: relative;
  width: 100%;
  margin-top: 36px;
  border: 1px solid var(--line);
  background:
    radial-gradient(800px 280px at 50% 0%, rgba(61, 125, 255, 0.10), transparent 70%),
    linear-gradient(180deg, var(--surface), var(--void-2));
  border-radius: var(--rad-lg);
  padding: 26px clamp(14px, 2vw, 28px) 32px;
  box-shadow: var(--shadow-lift);
  overflow: hidden;
}
.pipeline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}
.pipeline-head .left { display: flex; align-items: center; gap: 12px; }
.pipeline-head .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px var(--live-soft), 0 0 14px var(--live);
  animation: blink 1.6s ease-in-out infinite;
}
.pipeline-head .badge {
  font-family: var(--font-mono);
  border: 1px solid var(--line-2);
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--ink-dim);
  font-size: 10.5px;
}
.pipeline-svg {
  width: 100%;
  height: auto;
  display: block;
}
.pipeline-svg .node-bg { fill: var(--surface-2); stroke: var(--line-2); }
.pipeline-svg .node-bg.core { fill: var(--surface-3); stroke: var(--signal); }
.pipeline-svg text { font-family: var(--font-mono); font-size: 10.5px; fill: var(--ink-2); letter-spacing: 0.04em; }
.pipeline-svg text.core-label { font-family: var(--font-display); font-style: italic; font-size: 14px; fill: var(--signal); letter-spacing: -0.01em; }
.pipeline-svg .edge { fill: none; stroke: var(--line-2); stroke-width: 1; }
.pipeline-svg .edge.hot { stroke: var(--svg-edge); }
.pipeline-svg .packet { fill: var(--signal); filter: drop-shadow(0 0 6px var(--signal)); }
.pipeline-svg text.node-sub { fill: var(--ink-mute); font-size: 8px; letter-spacing: 0.02em; }
/* themable SVG bits (were hardcoded inline) */
.pipeline-svg .grid-line { stroke: var(--svg-grid); }
.pipeline-svg .col-label { fill: var(--ink-mute); }
.pipeline-svg .core-disk { fill: var(--surface); }
.pipeline-svg .core-ring { stroke: var(--signal); }
.pipeline-svg .core-sub  { fill: var(--signal); }
.pipeline-svg .g-signal   { stop-color: var(--signal); }
.pipeline-svg .g-electric { stop-color: var(--electric); }

/* Illustrative diagram SVGs (scope-analyzer, deployment patterns, ops board).
   These keep their original inline hex attrs; these rules re-map each hex to a
   theme token. In dark mode the tokens equal the original hex, so dark is
   unchanged; in light mode they recolor. CSS beats SVG presentation attributes. */
.diagram-svg [fill="#10141D"]   { fill: var(--surface-2); }
.diagram-svg [fill="#0B0E15"]   { fill: var(--surface); }
.diagram-svg [fill="#C8CEDB"]   { fill: var(--ink-2); }
.diagram-svg [fill="#7C8499"]   { fill: var(--ink-mute); }
.diagram-svg [fill="#ECEEF3"]   { fill: var(--ink); }
.diagram-svg [fill="#7DF9E1"]   { fill: var(--signal); }
.diagram-svg [fill="#05080B"]   { fill: var(--on-accent); }
.diagram-svg [stroke="#232C3D"] { stroke: var(--line-2); }
.diagram-svg [stroke="#7DF9E1"] { stroke: var(--signal); }
.diagram-svg [stroke="#243049"] { stroke: var(--svg-grid); }
.diagram-svg [stop-color="#3D7DFF"] { stop-color: var(--electric); }
.diagram-svg [stop-color="#7DF9E1"] { stop-color: var(--signal); }

/* ---- Interactive hero (hover-to-trace + parallax + core pulse) ---- */
.pipeline-svg .node-int { cursor: pointer; transition: opacity .28s ease, transform .25s ease; outline: none; }
.pipeline-svg.tracing .node-int.dim { opacity: .18; }
.pipeline-svg .node-int.active rect.node-bg,
.pipeline-svg .node-int.hi rect.node-bg { stroke: var(--signal); }
.pipeline-svg .node-int.active rect.node-bg { stroke-width: 1.6; filter: drop-shadow(0 0 9px var(--signal)); }
.pipeline-svg .node-int:focus-visible rect.node-bg { stroke: var(--signal); stroke-width: 1.6; }
.pipeline-svg .edge.lit { stroke: var(--signal); stroke-width: 2.2; filter: drop-shadow(0 0 7px var(--signal)); transition: stroke .2s ease; }
.pipeline-svg .edge.lit-soft { stroke: var(--signal); opacity: .5; }
/* differential parallax for depth (driven by --px/--py set in app.js) */
.pipeline-svg .src-layer { transform: translate(calc(var(--px, 0) * 1px), calc(var(--py, 0) * 1px)); }
.pipeline-svg .tgt-layer { transform: translate(calc(var(--px, 0) * -1px), calc(var(--py, 0) * -1px)); }
@keyframes heroCorePulse { 0% { transform: scale(1); opacity: .65; } 45% { transform: scale(1.22); opacity: 1; } 100% { transform: scale(1); opacity: .65; } }
.pipeline-svg circle.pulse { transform-box: fill-box; transform-origin: center; animation: heroCorePulse 1s ease; }
@media (prefers-reduced-motion: reduce) {
  .pipeline-svg circle.pulse { animation: none; }
  .pipeline-svg .src-layer, .pipeline-svg .tgt-layer { transform: none; }
}

/* ---- Scope Analyzer: flowing packets + hover-to-trace (parity with hero) ---- */
.diagram-svg .flow-src text, .diagram-svg .flow-tgt text { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-2); }
.diagram-svg .flow-src text.node-sub, .diagram-svg .flow-tgt text.node-sub { font-size: 6.5px; fill: var(--ink-mute); letter-spacing: 0.01em; }
.diagram-svg .packet { fill: var(--signal); filter: drop-shadow(0 0 5px var(--signal)); }
.diagram-svg .flow-src, .diagram-svg .flow-tgt { cursor: pointer; transition: opacity .28s ease; }
.diagram-svg.tracing .flow-src.dim, .diagram-svg.tracing .flow-tgt.dim { opacity: .2; }
.diagram-svg .flow-src.active rect, .diagram-svg .flow-tgt.hi rect { stroke: var(--signal); }
.diagram-svg .flow-src.active rect { stroke-width: 1.6; filter: drop-shadow(0 0 8px var(--signal)); }
.diagram-svg .flow-edge.lit { stroke: var(--signal); stroke-width: 2; filter: drop-shadow(0 0 6px var(--signal)); }
.diagram-svg .flow-edge.lit-soft { stroke: var(--signal); opacity: .5; }
@keyframes analyzerCoreGlow { 0%, 100% { filter: drop-shadow(0 0 2px rgba(125,249,225,0.15)); } 50% { filter: drop-shadow(0 0 9px rgba(125,249,225,0.5)); } }
.diagram-svg .ana-core { animation: analyzerCoreGlow 3.2s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .pipeline-svg .packet, .diagram-svg .packet { display: none; }
  .diagram-svg .ana-core { animation: none; }
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  overflow: hidden;
  margin-top: 28px;
}
.metric {
  background: var(--surface);
  padding: 18px 20px;
}
.metric .label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex;
  align-items: center;
  gap: 8px;
}
.metric .label .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
  animation: blink 1.8s ease-in-out infinite;
}
.metric .value {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.metric .unit {
  font-size: 0.55em;
  color: var(--ink-dim);
  margin-left: 6px;
  font-weight: 400;
}
.metric .sub {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-dim);
  font-family: var(--font-mono);
}
.metric .sub .good { color: var(--good); }

@media (max-width: 820px) {
  .metrics-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   API-first section
   ============================================================ */

.split-2 {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}
@media (max-width: 980px) {
  .split-2 { grid-template-columns: 1fr; }
}

.terminal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--rad);
  overflow: hidden;
  font-family: var(--font-mono);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.7), 0 1px 0 rgba(255,255,255,0.04) inset;
}
.terminal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.terminal-head .dots { display: flex; gap: 6px; }
.terminal-head .dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-strong);
}
.terminal-head .title {
  font-size: 11.5px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
.terminal-body {
  padding: 18px 20px 22px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
  font-variant-ligatures: none;
}
.terminal .prompt { color: var(--signal); }
.terminal .cmd { color: var(--ink); }
.terminal .flag { color: var(--electric-2); }
.terminal .str { color: var(--warn); }
.terminal .ok { color: var(--good); }
.terminal .dim { color: var(--ink-mute); }
.terminal .live { color: var(--live); }
.terminal .row { white-space: pre-wrap; }
.terminal .row + .row { margin-top: 4px; }
.terminal .caret {
  display: inline-block;
  width: 8px; height: 14px;
  background: var(--signal);
  vertical-align: -2px;
  margin-left: 2px;
  animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

.api-arch {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--rad);
  padding: clamp(18px, 2vw, 26px);
}
.api-arch h4 {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.api-arch .clients {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.api-arch .client {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 12px 12px;
  font-size: 12.5px;
  color: var(--ink-2);
  background: var(--surface-2);
  text-align: center;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  transition: border-color 200ms ease, transform 200ms ease;
}
.api-arch .client:hover { border-color: var(--signal); transform: translateY(-2px); }
.api-arch .arr {
  text-align: center;
  color: var(--line-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  margin: 6px 0;
}
.api-arch .layer {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(61, 125, 255, 0.10), rgba(61, 125, 255, 0.02));
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
}
.api-arch .layer.api {
  border-color: var(--electric);
  background: linear-gradient(180deg, rgba(61, 125, 255, 0.20), rgba(61, 125, 255, 0.04));
}
.api-arch .layer.api .tag {
  font-size: 10.5px;
  color: var(--electric-2);
  border: 1px solid rgba(61, 125, 255, 0.4);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(61, 125, 255, 0.10);
}
.api-arch .layer.meta { margin-top: 10px; background: var(--surface-2); }
.api-arch .layer.engine {
  margin-top: 10px;
  border-color: var(--signal);
  background: linear-gradient(180deg, rgba(125, 249, 225, 0.10), rgba(125, 249, 225, 0.02));
}
.api-arch .layer.engine .tag {
  color: var(--signal);
  border-color: rgba(125, 249, 225, 0.4);
  background: var(--signal-soft);
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 6px;
}
@media (max-width: 600px) {
  .api-arch .clients { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Five-step execution
   ============================================================ */

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.steps::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 7%;
  right: 7%;
  height: 1px;
  background: linear-gradient(90deg, var(--line), var(--signal) 50%, var(--electric) 100%);
  opacity: 0.65;
}
.step {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 8px;
}
.step .badge {
  width: 46px; height: 46px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  position: relative;
  transition: border-color 250ms ease, color 250ms ease, box-shadow 250ms ease;
}
.step:hover .badge {
  border-color: var(--signal);
  color: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-soft), 0 0 20px rgba(125, 249, 225, 0.35);
}
.step h4 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.012em;
}
.step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}
@media (max-width: 820px) {
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .steps::before { display: none; }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
}

/* ============================================================
   Scope analyzer + diagnostic cards
   ============================================================ */

.analyzer {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
.analyzer-viz {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  padding: clamp(18px, 2.5vw, 32px);
  position: relative;
  overflow: hidden;
}
.analyzer-viz svg { width: 100%; height: auto; display: block; }
.analyzer-viz .label-mono {
  position: absolute;
  top: 16px; left: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.diagnostics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.diag-card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--rad);
  padding: 22px 22px 20px;
  transition: border-color 250ms ease, transform 250ms ease, background 250ms ease;
  cursor: default;
}
.diag-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.diag-card .icon {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  color: var(--signal);
  margin-bottom: 14px;
}
.diag-card:nth-child(2) .icon { color: var(--electric-2); }
.diag-card:nth-child(3) .icon { color: var(--warn); }
.diag-card:nth-child(4) .icon { color: var(--live); }
.diag-card h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.45rem;
  font-weight: 400;
  margin: 0 0 8px;
  letter-spacing: -0.012em;
}
.diag-card p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--ink-dim); }
@media (max-width: 720px) {
  .diagnostics { grid-template-columns: 1fr; }
}

/* ============================================================
   Source -> Target Matrix
   ============================================================ */

.matrix {
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  background: var(--surface);
  overflow: hidden;
}
.matrix table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.matrix th {
  text-align: left;
  padding: 16px 24px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.matrix td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  transition: background 220ms ease, color 220ms ease;
}
.matrix tr:last-child td { border-bottom: none; }
.matrix tr:hover td { background: rgba(125, 249, 225, 0.04); color: var(--ink); }
.matrix .src-logo, .matrix .tgt-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.matrix .arrow-cell { color: var(--ink-faint); }
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  border: 1px solid;
}
.status .ind {
  width: 6px; height: 6px; border-radius: 50%;
}
.status.available {
  color: var(--good);
  border-color: rgba(93, 255, 201, 0.35);
  background: rgba(93, 255, 201, 0.08);
}
.status.available .ind { background: var(--good); box-shadow: 0 0 8px var(--good); }
.status.soon {
  color: var(--warn);
  border-color: rgba(255, 210, 63, 0.35);
  background: rgba(255, 210, 63, 0.06);
}
.status.soon .ind { background: var(--warn); box-shadow: 0 0 8px var(--warn); }

.db-mark {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface-2);
  letter-spacing: 0;
}
.db-mark.oracle { color: #F50000; border-color: rgba(245, 0, 0, 0.35); }
.db-mark.postgres { color: #6DAFE0; border-color: rgba(109, 175, 224, 0.4); }
.db-mark.mysql { color: #00758F; border-color: rgba(0, 117, 143, 0.5); }
.db-mark.snowflake { color: #29B5E8; border-color: rgba(41, 181, 232, 0.45); }
.db-mark.databricks { color: #FF3621; border-color: rgba(255, 54, 33, 0.45); }
.db-mark.sqlserver { color: #CC2927; border-color: rgba(204, 41, 39, 0.4); }
.db-mark.cloud { color: #5B9BD5; border-color: rgba(91, 155, 213, 0.45); }
.pair-sub { font-size: 11px; color: var(--ink-mute); margin-top: 4px; margin-left: 32px; font-family: var(--font-mono); letter-spacing: 0.01em; }

@media (max-width: 720px) {
  .matrix th, .matrix td { padding: 12px 14px; font-size: 12.5px; }
}

/* ============================================================
   Deployment patterns
   ============================================================ */

.patterns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pattern {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--rad-lg);
  padding: 26px;
  transition: border-color 250ms ease, transform 250ms ease;
}
.pattern:hover { border-color: var(--signal); transform: translateY(-3px); }
.pattern .kicker { margin-bottom: 6px; }
.pattern h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.7rem;
  margin: 0 0 10px;
  letter-spacing: -0.012em;
}
.pattern p { color: var(--ink-dim); font-size: 13.5px; line-height: 1.6; margin: 0 0 22px; }
.pattern .diagram {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
}
.pattern .diagram svg { width: 100%; height: auto; max-width: 280px; }
@media (max-width: 920px) {
  .patterns { grid-template-columns: 1fr; }
}

/* ============================================================
   Operations dashboard mock
   ============================================================ */

.opsboard {
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  background: var(--surface);
  overflow: hidden;
  box-shadow: 0 40px 100px -50px rgba(125, 249, 225, 0.20);
}
.opsboard-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-dim);
}
.opsboard-bar .crumbs { display: flex; gap: 18px; align-items: center; }
.opsboard-bar .crumb { color: var(--ink-mute); }
.opsboard-bar .crumb.active { color: var(--ink); }
.opsboard-bar .crumb + .crumb::before { content: '·'; margin-right: 18px; color: var(--ink-faint); }
.opsboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}
.opsboard-grid .cell {
  background: var(--surface);
  padding: 22px;
}
.opsboard-grid .cell .lbl {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.opsboard-grid .cell .v {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  margin-top: 6px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.opsboard-grid .cell .sub {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-dim);
}
.opsboard-grid .cell .sub .ok { color: var(--good); }
.opsboard-grid .cell .sub .warn { color: var(--warn); }
.opsboard-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}
.opsboard-body .panel {
  background: var(--surface);
  padding: 22px;
}
.opsboard-body .panel h5 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spark { width: 100%; height: 80px; display: block; }
.readout-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  align-items: center;
}
.readout-row:first-of-type { border-top: none; }
.readout-row .pair { color: var(--ink); }
.readout-row .v { color: var(--signal); }
.readout-row .lag { color: var(--warn); }
@media (max-width: 920px) {
  .opsboard-grid { grid-template-columns: repeat(2, 1fr); }
  .opsboard-body { grid-template-columns: 1fr; }
}

/* ============================================================
   Security
   ============================================================ */

.security {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.security-viz {
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  background:
    radial-gradient(500px 200px at 30% 20%, rgba(125, 249, 225, 0.06), transparent 70%),
    var(--surface);
  padding: 30px;
}
.security-viz .modes {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 18px;
}
.security-viz .mode {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  background: var(--surface-2);
}
.security-viz .mode .pdb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  background: linear-gradient(180deg, rgba(125, 249, 225, 0.10), transparent);
  display: inline-block;
  margin: 4px;
}
.security-viz .mode .container {
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 16px;
  background: var(--surface);
}
.security-viz .mode h6 {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 12px;
}
.security-viz .mode .pdb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
@media (max-width: 920px) {
  .security { grid-template-columns: 1fr; }
}

/* ============================================================
   Roadmap
   ============================================================ */

.roadmap {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.roadmap::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: linear-gradient(90deg,
    var(--signal) 0%,
    var(--signal) 25%,
    var(--line) 25%,
    var(--line) 100%);
}
.road-stage {
  position: relative;
  padding-top: 50px;
}
.road-stage::before {
  content: '';
  position: absolute;
  top: 10px; left: 50%;
  transform: translateX(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
}
.road-stage.done::before {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-soft), 0 0 18px var(--signal);
}
.road-stage.next::before {
  background: var(--surface);
  border-color: var(--signal);
}
.road-stage .when {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.road-stage h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0 0 8px;
  letter-spacing: -0.012em;
  color: var(--ink);
}
.road-stage p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-dim);
}
@media (max-width: 820px) {
  .roadmap { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .roadmap::before { display: none; }
}
@media (max-width: 480px) {
  .roadmap { grid-template-columns: 1fr; }
  .road-stage { padding-top: 30px; }
}

/* ============================================================
   CTA + footer
   ============================================================ */

.cta {
  text-align: center;
  padding: clamp(80px, 12vw, 160px) 0;
}
.cta .h-display { margin: 18px auto 28px; max-width: 22ch; }
.cta-actions { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  font-size: 13px;
  color: var(--ink-mute);
}
footer .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
footer a { color: var(--ink-2); }
footer a:hover { color: var(--signal); }
footer .mark { display: flex; align-items: center; gap: 10px; color: var(--ink-2); }
footer .mark svg { color: var(--electric); width: 26px; height: auto; }
footer .legal { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; }

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   Contact modal + form
   ============================================================ */

.modal {
  margin: auto;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink);
  max-width: 720px;
  width: calc(100% - 32px);
  max-height: calc(100vh - 64px);
}
.modal::backdrop {
  background: radial-gradient(800px 600px at 60% 30%, rgba(61,125,255,0.16), rgba(0,0,0,0.7) 60%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.modal-card {
  background:
    radial-gradient(500px 200px at 30% 0%, rgba(125, 249, 225, 0.08), transparent 70%),
    linear-gradient(180deg, var(--surface), var(--void-2));
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  padding: 28px;
  box-shadow: 0 50px 100px -30px rgba(0,0,0,0.7), 0 1px 0 rgba(255,255,255,0.04) inset;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  display: grid;
  gap: 18px;
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.modal-head h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 400;
  letter-spacing: -0.014em;
  margin: 8px 0 0;
}
.modal-close {
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.modal-close:hover { color: var(--ink); border-color: var(--signal); background: var(--signal-soft); }
.modal-sub {
  margin: 0;
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.55;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field { display: grid; gap: 6px; }
.field.span-1 { grid-column: span 1; }
.field.span-2 { grid-column: span 2; }
.field > span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field > span .hint {
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  font-size: 10.5px;
}
.field input, .field select, .field textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 11px 13px;
  outline: none;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.55; font-family: var(--font-sans); }
.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A93A4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--signal);
  box-shadow: 0 0 0 4px var(--signal-soft);
  background: var(--surface);
}
.field input:user-invalid, .field input[aria-invalid="true"] {
  border-color: var(--live);
  box-shadow: 0 0 0 4px var(--live-soft);
}

/* honeypot — visually hidden but reachable for form parsers */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 4px;
}
.form-msg {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  min-height: 18px;
}
.form-msg.error { color: var(--live); }
.form-msg.ok    { color: var(--good); }

#contact-submit[disabled] {
  opacity: 0.55;
  cursor: progress;
}

.modal-success {
  display: grid;
  place-items: center;
  gap: 14px;
  text-align: center;
  padding: 28px 0 14px;
}
.modal-success .check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--signal);
  background: var(--signal-soft);
  display: grid;
  place-items: center;
  color: var(--signal);
}
.modal-success h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.8rem;
  margin: 0;
  color: var(--ink);
}
.modal-success p { margin: 0; color: var(--ink-dim); font-size: 14px; }

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr; }
  .field.span-1, .field.span-2 { grid-column: span 1; }
  .modal-card { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   Cinematic upscale — foundations (Task 1)
   ============================================================ */
.h-display, .h-section { text-wrap: balance; }
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 300;
  background: linear-gradient(90deg, var(--electric), var(--signal));
  transform: scaleX(0); transform-origin: 0 50%; pointer-events: none; }
@supports (animation-timeline: scroll()) {
  .scroll-progress { animation: sp-grow linear both; animation-timeline: scroll(root); }
}
@keyframes sp-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.nav { transition: padding 250ms ease, box-shadow 250ms ease; }
.nav .nav-brand img { transition: height 250ms ease; }
.nav.compact { padding-top: 6px; padding-bottom: 6px; box-shadow: 0 10px 32px -18px rgba(0,0,0,0.55); }
.nav.compact .nav-brand img { height: 54px; }
@media (prefers-reduced-motion: reduce) { .scroll-progress { display: none; } }

/* ---- Scroll-driven reveals (modern browsers); IO .in remains the fallback (Task 2) ---- */
@supports (animation-timeline: view()) {
  .reveal, .reveal.in { opacity: 1; transform: none; transition: none; }
  .reveal { animation: reveal-rise both; animation-timeline: view(); animation-range: entry 0% entry 55%; }
  .steps .step:nth-child(2),  .diagnostics .diag-card:nth-child(2), .patterns .pattern:nth-child(2), .roadmap .road-stage:nth-child(2) { animation-range: entry 8% entry 63%; }
  .steps .step:nth-child(3),  .diagnostics .diag-card:nth-child(3), .patterns .pattern:nth-child(3), .roadmap .road-stage:nth-child(3) { animation-range: entry 16% entry 71%; }
  .steps .step:nth-child(4),  .diagnostics .diag-card:nth-child(4), .roadmap .road-stage:nth-child(4) { animation-range: entry 24% entry 79%; }
  .steps .step:nth-child(5) { animation-range: entry 32% entry 87%; }
}
@keyframes reveal-rise { from { opacity: 0; translate: 0 26px; } to { opacity: 1; translate: 0 0; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none !important; opacity: 1 !important; transform: none !important; translate: none !important; }
}

/* ---- Hero particle field (Task 3) ---- */
.hero { position: relative; }
.hero-fx { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0.5; }
[data-theme="light"] .hero-fx { opacity: 0.3; }
.hero > *:not(.hero-fx) { position: relative; z-index: 1; }
@media (max-width: 767px), (prefers-reduced-motion: reduce) { .hero-fx { display: none; } }

/* ---- Kinetic headline (Task 4) ---- */
.kinetic .w { display: inline-block; opacity: 0; filter: blur(6px); transform: translateY(0.35em);
  animation: word-in 600ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards; }
.kinetic > .w:nth-child(1) { animation-delay: 0.05s; }
.kinetic > .w:nth-child(2) { animation-delay: 0.13s; }
.kinetic > .w:nth-child(3) { animation-delay: 0.21s; }
.kinetic > .w:nth-child(4) { animation-delay: 0.29s; }
.kinetic > .w:nth-child(5) { animation-delay: 0.37s; }
.kinetic em .w:nth-child(1) { animation-delay: 0.62s; }
.kinetic em .w:nth-child(2) { animation-delay: 0.74s; }
.kinetic em .w:nth-child(3) { animation-delay: 0.86s; }
@keyframes word-in { to { opacity: 1; filter: none; transform: none; } }
.kinetic em { position: relative; }
.kinetic em::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0.02em; height: 0.07em;
  background: linear-gradient(90deg, var(--signal), transparent); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; animation: em-sweep 500ms ease-out 1.15s forwards; }
@keyframes em-sweep { to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) {
  .kinetic .w { opacity: 1; filter: none; transform: none; animation: none; }
  .kinetic em::after { animation: none; transform: scaleX(1); }
}

/* ---- Theme wipe (View Transitions, Task 5) ---- */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) { animation: none; }
  ::view-transition-new(root) { animation: vt-wipe 500ms ease-out;
    clip-path: circle(0 at var(--vt-x, 90%) var(--vt-y, 5%)); }
}
@keyframes vt-wipe { to { clip-path: circle(160vmax at var(--vt-x, 90%) var(--vt-y, 5%)); } }

/* ---- Surface cinematics: spotlight, tilt, borders, sheen (Task 6) ---- */
@media (hover: hover) {
  .spot { position: relative; transition: opacity 700ms ease, transform 180ms ease; }
  .spot::after { content: ''; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
    transition: opacity 250ms ease; pointer-events: none;
    background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--signal-soft), transparent 70%); }
  .spot:hover::after { opacity: 1; }
}
@property --angle { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.status-card, .modal-card { --angle: 0deg; border: 1px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box,
    conic-gradient(from var(--angle), var(--line-2) 0%, var(--signal) 10%, var(--line-2) 24%,
      var(--line-2) 58%, var(--electric) 72%, var(--line-2) 86%, var(--line-2) 100%) border-box; }
@media (prefers-reduced-motion: no-preference) {
  .status-card, .modal-card { animation: border-spin 7s linear infinite; }
}
@keyframes border-spin { to { --angle: 360deg; } }
.btn.primary { position: relative; overflow: hidden; }
.btn.primary::before { content: ''; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-18deg); transition: left 500ms ease; pointer-events: none; }
.btn.primary:hover::before { left: 120%; }

/* ---- Sparklines (Task 7) ---- */
.spark { width: 100%; height: 26px; margin-top: 8px; display: block; }
.spark polyline { fill: none; stroke: var(--signal); stroke-width: 1.5; opacity: 0.85; }
@media (prefers-reduced-motion: reduce) { .spark { display: none; } }

/* ---- Terminal typing (Task 8) ---- */
.terminal-body.will-type .row { opacity: 0; }
.terminal-body.typing .row { animation: row-in 50ms ease forwards; animation-delay: calc(var(--i) * 280ms); }
.terminal-body.typing .row:first-child { animation: row-type 900ms steps(28, end) forwards; }
@keyframes row-in { to { opacity: 1; } }
@keyframes row-type { from { opacity: 1; clip-path: inset(0 100% 0 0); } to { opacity: 1; clip-path: inset(0 0 0 0); } }

/* ---- Engine marquee (Task 9) ---- */
.marquee { overflow: hidden; padding: 22px 0 6px; position: relative; z-index: 2;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee-x 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em;
  color: var(--ink-dim); border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 14px;
  margin-right: 14px; white-space: nowrap; background: var(--surface-2); }
@keyframes marquee-x { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---- Static diagrams in motion (Task 10) ---- */
.diagram-svg .dash-flow { animation: dash-move 1.1s linear infinite; }
@keyframes dash-move { to { stroke-dashoffset: -12; } }
.diagram-svg rect[fill="#7DF9E1"] { animation: node-glow 2.6s ease-in-out infinite; }
@keyframes node-glow { 0%, 100% { filter: drop-shadow(0 0 0 rgba(0,0,0,0)); } 50% { filter: drop-shadow(0 0 7px var(--signal)); } }
.diagram-svg .ops-core { animation: analyzerCoreGlow 3.2s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
  .diagram-svg .dash-flow, .diagram-svg rect[fill="#7DF9E1"], .diagram-svg .ops-core { animation: none; }
}

/* ---- Reference architecture breath (Task 11) ---- */
@media (prefers-reduced-motion: no-preference) {
  .api-arch .layer.api { animation: api-breath 3.6s ease-in-out infinite; }
  .api-arch .arr { animation: arr-drop 1.8s ease-in-out infinite; display: inline-block; }
}
@keyframes api-breath { 0%, 100% { box-shadow: 0 0 0 0 transparent; } 50% { box-shadow: 0 0 22px -6px var(--electric); } }
@keyframes arr-drop { 0%, 100% { transform: translateY(-2px); opacity: 0.5; } 50% { transform: translateY(2px); opacity: 1; } }
.api-arch .client { transition: transform 200ms ease, border-color 200ms ease; }
.api-arch .client:hover { transform: translateY(-2px); border-color: var(--signal); }

/* ---- Roadmap progress line (Task 11) ---- */
.roadmap { position: relative; padding-top: 18px; }
.roadmap::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--signal), var(--electric)); transform: scaleX(0); transform-origin: left; }
@supports (animation-timeline: view()) {
  .roadmap::before { animation: line-draw both linear; animation-timeline: view(); animation-range: entry 0% cover 45%; }
}
@keyframes line-draw { to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .roadmap::before { animation: none; transform: scaleX(1); } }

/* ---- Steps badge pop (Task 11) ---- */
.step .badge { transition: transform 250ms ease; }
.step:hover .badge { transform: scale(1.12); }

/* ---- Icon draw-ins: IO .in still fires from the existing observer (Task 11) ---- */
.diag-card .icon :is(path, circle) { stroke-dasharray: 1; stroke-dashoffset: 1; }
.diag-card.in .icon :is(path, circle) { animation: icon-draw 900ms ease 150ms forwards; }
@keyframes icon-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .diag-card .icon :is(path, circle) { stroke-dasharray: none; stroke-dashoffset: 0; animation: none; }
}

/* ---- Matrix chips + security PDB chips (Task 11) ---- */
.db-mark { transition: transform 180ms ease; }
tr:hover .db-mark { transform: translateY(-1px) scale(1.1); }
.pdb { transition: transform 200ms ease, border-color 200ms ease; }
.mode:hover .pdb { border-color: var(--signal); }

/* ---- Modal entrance (Task 11) ---- */
@media (prefers-reduced-motion: no-preference) {
  dialog.modal[open] { animation: modal-in 280ms cubic-bezier(0.2, 0.8, 0.2, 1); }
}
@keyframes modal-in { from { opacity: 0; transform: translateY(10px) scale(0.97); } to { opacity: 1; transform: none; } }
dialog.modal::backdrop { background: rgba(4, 6, 10, 0.55); backdrop-filter: blur(6px); }
[data-theme="light"] dialog.modal::backdrop { background: rgba(240, 243, 250, 0.55); }
