:root {
  --ink: #151c20;
  --ink-soft: #334047;
  --muted: #68777d;
  --paper: #f1f4f4;
  --paper-alt: #e7ecec;
  --white: #ffffff;
  --dark: #10171b;
  --dark-2: #151e23;
  --dark-3: #1b272d;
  --line: rgba(16, 24, 29, 0.13);
  --line-dark: rgba(255, 255, 255, 0.11);
  --accent: #9fbd78;
  --accent-deep: #5f8445;
  --cyan: #6fa9b9;
  --warn: #c49a57;
  --alarm: #b8645f;
  --mn-line: #6c7c82;
  --mn-active: #75a9b7;
  --mn-normal: #7f9f75;
  --mn-warning: #bd965c;
  --mn-alarm: #b8645f;
  --radius: 18px;
  --radius-sm: 11px;
  --shadow: 0 28px 80px rgba(13, 27, 34, 0.14);
  --max: 1220px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI Variable Text", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input { font: inherit; }
p, ul, ol { margin-top: 0; }
h1, h2, h3, h4 { margin-top: 0; font-family: "Segoe UI Variable Display", "Segoe UI", Arial, sans-serif; line-height: 1.08; }
h1 { margin-bottom: 24px; font-size: clamp(3.25rem, 6.1vw, 6rem); letter-spacing: -0.07em; }
h2 { margin-bottom: 20px; font-size: clamp(2.2rem, 4vw, 3.75rem); letter-spacing: -0.055em; }
h3 { margin-bottom: 12px; font-size: 1.28rem; letter-spacing: -0.025em; }
code, pre { font-family: "Cascadia Code", Consolas, monospace; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 9px 13px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--ink);
  font-weight: 800;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 10px max(24px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line-dark);
  background: rgba(11, 20, 25, 0.94);
  color: #f3f7f8;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  font-size: 21px;
  font-weight: 850;
  letter-spacing: -0.7px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 11px;
  background: var(--accent);
  box-shadow: inset 0 -3px 0 rgba(16, 24, 29, 0.1);
  color: var(--ink);
  font-size: 19px;
  font-weight: 900;
}

.main-nav { display: flex; justify-content: flex-end; gap: 3px; }
.main-nav > a, .nav-group > summary {
  display: block;
  padding: 10px 12px;
  border-radius: 9px;
  color: #aebdc3;
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
  list-style: none;
}
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary::after { margin-left: 6px; color: #667b84; content: "▾"; font-size: 10px; }
.main-nav > a:hover, .main-nav > a:focus-visible, .nav-group > summary:hover, .nav-group > summary:focus-visible { background: rgba(255,255,255,.07); color: var(--white); outline: none; }
.nav-group { position: relative; }
.nav-panel {
  position: absolute;
  top: calc(100% + 9px);
  left: 0;
  display: grid;
  width: 265px;
  gap: 3px;
  padding: 10px;
  border: 1px solid var(--line-dark);
  border-radius: 13px;
  background: #142129;
  box-shadow: 0 20px 45px rgba(0,0,0,.28);
}
.nav-panel a { padding: 10px 11px; border-radius: 8px; color: #b8c6cb; font-size: 13px; }
.nav-panel a:hover, .nav-panel a:focus-visible { background: rgba(255,255,255,.07); color: var(--accent); outline: none; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid rgba(16,24,29,.16);
  border-radius: 11px;
  background: var(--accent);
  box-shadow: inset 0 -3px 0 rgba(16,24,29,.1);
  color: #152000;
  cursor: pointer;
  font-weight: 850;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover, .button:focus-visible { background: #abc58b; box-shadow: inset 0 -2px 0 rgba(16,24,29,.1); outline: none; transform: translateY(-1px); }
.button--small { min-height: 42px; padding: 9px 15px; font-size: 14px; }
.button--secondary { border-color: var(--line); background: var(--white); color: var(--ink); }
.button--dark { border-color: var(--line-dark); background: #18262d; color: var(--white); }
.button--ghost { border-color: rgba(255,255,255,.16); background: transparent; color: var(--white); box-shadow: none; }
.menu-toggle { display: none; }

.home-hero {
  position: relative;
  overflow: hidden;
  padding: 86px max(24px, calc((100vw - var(--max)) / 2)) 96px;
  background:
    radial-gradient(circle at 88% 16%, rgba(75,220,255,.13), transparent 28%),
    radial-gradient(circle at 9% 75%, rgba(127,159,117,.09), transparent 24%),
    var(--dark);
  color: var(--white);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr); align-items: center; gap: 80px; max-width: var(--max); margin: 0 auto; }
.home-hero h1 { max-width: 760px; }
.hero-lead { max-width: 690px; color: #a7bac2; font-size: clamp(1.08rem, 1.6vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 31px 0 28px; }
.eyebrow, .kicker { color: var(--accent-deep); font-size: 12px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.home-hero .eyebrow { color: var(--accent); }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(127,159,117,.08); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 18px; color: #8399a3; font-size: 13px; }
.hero-facts span::before { margin-right: 7px; color: var(--accent); content: "✓"; font-weight: 900; }
.hero-links { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); border: 1px solid var(--line-dark); border-radius: 18px; background: rgba(255,255,255,.035); box-shadow: 0 32px 90px rgba(0,0,0,.25); }
.hero-link { position: relative; min-height: 118px; padding: 22px 22px 20px; border-bottom: 1px solid var(--line-dark); transition: background 160ms ease; }
.hero-link:nth-child(odd) { border-right: 1px solid var(--line-dark); }
.hero-link:nth-last-child(-n+2) { border-bottom: 0; }
.hero-link:hover { background: rgba(127,159,117,.07); }
.hero-link strong { display: block; margin-bottom: 5px; color: #eef5f6; font-size: 15px; }
.hero-link span { display: block; color: #718891; font-size: 12px; line-height: 1.45; }
.hero-link::after { position: absolute; top: 20px; right: 18px; color: #587079; content: "↗"; }

/* Interactive SCADA route */
.scada-journey {
  position: relative;
  height: 520svh;
  min-height: 3400px;
  background: #071116;
  color: var(--white);
}

.journey-sticky {
  position: sticky;
  z-index: 1;
  top: 72px;
  height: calc(100svh - 72px);
  min-height: 620px;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 38%, rgba(58, 202, 231, .1), transparent 29%),
    radial-gradient(circle at 12% 74%, rgba(28, 122, 145, .1), transparent 24%),
    linear-gradient(145deg, #071116 0%, #09151b 58%, #0a171c 100%);
  isolation: isolate;
}

.journey-grid {
  position: absolute;
  z-index: -3;
  inset: 0;
  background-image:
    linear-gradient(rgba(116, 194, 209, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 194, 209, .04) 1px, transparent 1px),
    linear-gradient(rgba(116, 194, 209, .015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 194, 209, .015) 1px, transparent 1px);
  background-position: center;
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: linear-gradient(to bottom, transparent 0, #000 12%, #000 88%, transparent 100%);
}

.journey-glow {
  position: absolute;
  z-index: -2;
  top: 52%;
  left: 54%;
  width: 70vw;
  height: 180px;
  border-radius: 50%;
  background: rgba(54, 216, 245, .09);
  filter: blur(70px);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.journey-world {
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 4300px;
  height: 1700px;
  transform-origin: 0 0;
  will-change: transform;
}

.journey-schematic {
  display: block;
  width: 4300px;
  height: 1700px;
  overflow: visible;
}

.schematic-coordinates { fill: #59717a; opacity: .22; }
.schematic-coordinates path { fill: none; stroke: #5b7480; stroke-dasharray: 3 12; stroke-width: 1; }
.schematic-coordinates text { font-family: "Cascadia Code", Consolas, monospace; font-size: 11px; letter-spacing: .18em; }

.route-shadow,
.route-base,
.route-progress,
.route-signal {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route-shadow { stroke: rgba(63, 223, 250, .18); stroke-width: 24; filter: url(#routeGlow); }
.route-base { stroke: #1b3a44; stroke-width: 3; }
.route-progress { stroke: url(#routeGradient); stroke-dasharray: 1; stroke-dashoffset: .9; stroke-width: 4; filter: url(#softGlow); }
.route-signal { stroke: rgba(225, 250, 255, .7); stroke-dasharray: 1; stroke-dashoffset: .965; stroke-width: 2; animation: signalFlow 1.8s ease-in-out infinite; }

@keyframes signalFlow {
  0%, 100% { opacity: .38; stroke-width: 1.4; }
  50% { opacity: .82; stroke-width: 2.8; }
}

.origin-node { fill: #75a9b7; filter: url(#softGlow); }
.origin-ring { fill: none; stroke: rgba(88, 223, 247, .38); stroke-width: 1; animation: nodePulse 2.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.route-arrow path { fill: none; stroke: #75a9b7; stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; filter: url(#softGlow); }

@keyframes nodePulse {
  0% { opacity: .65; transform: scale(.65); }
  70%, 100% { opacity: 0; transform: scale(1.5); }
}

.pipe-system,
.power-system,
.downstream-system { opacity: 0; will-change: opacity; }

.pipe-shell { fill: none; stroke: url(#pipeGradient); stroke-linecap: round; stroke-width: 48; filter: url(#routeGlow); }
.pipe-core { fill: none; stroke: #0b222b; stroke-linecap: round; stroke-width: 27; }
.pipe-highlight { fill: none; stroke: rgba(175, 247, 255, .64); stroke-linecap: round; stroke-width: 2; }
.pipe-flange path { fill: none; stroke: #8ce9f7; stroke-width: 5; }
.pipe-flange circle { fill: #bd965c; }
.valve path { fill: #0b1b21; stroke: #69dff0; stroke-linejoin: round; stroke-width: 3; }
.valve circle { fill: #bd965c; stroke: #0b1b21; stroke-width: 3; }
.instrument path { fill: none; stroke: #68dbea; stroke-width: 2; }
.instrument circle { fill: #0a181e; stroke: #68dbea; stroke-width: 2; }
.instrument text { fill: #bdeef5; font-family: "Cascadia Code", Consolas, monospace; font-size: 11px; text-anchor: middle; }
.feature-tap path { fill: none; stroke: #456d78; stroke-dasharray: 4 7; stroke-width: 1.5; }
.feature-tap circle { fill: #bd965c; filter: url(#softGlow); }
.feature-tap text { fill: #8ba8b1; font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; font-weight: 700; letter-spacing: .08em; }

.power-conductor { fill: none; stroke: #60ddec; stroke-linecap: round; stroke-width: 2; filter: url(#softGlow); }
.power-conductor--top,
.power-conductor--low { stroke: rgba(95, 210, 225, .55); stroke-width: 1.4; }
.pylon path { fill: none; stroke: #78949d; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.pylon .insulator { stroke: #bd965c; stroke-dasharray: 3 4; }
.power-mark circle { fill: #0b1b21; stroke: #bd965c; stroke-width: 2; }
.power-mark path { fill: #bd965c; }
.power-caption { fill: #78939c; font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; font-weight: 700; letter-spacing: .16em; }

.turn-node,
.down-node circle { fill: #bd965c; filter: url(#softGlow); }
.turn-ring { fill: none; stroke: rgba(255, 211, 107, .5); stroke-width: 1.5; animation: nodePulse 2.6s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.down-node path,
.terminal-bracket { fill: none; stroke: #62808a; stroke-width: 1.5; }
.down-node text { fill: #8ea6ae; font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; font-weight: 700; letter-spacing: .1em; }

.journey-copy-stack {
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
}

.journey-copy {
  position: absolute;
  top: clamp(58px, 11vh, 110px);
  left: max(24px, calc((100vw - var(--max)) / 2));
  width: min(640px, calc(100vw - 48px));
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  will-change: opacity, transform;
}

.journey-copy > * { pointer-events: auto; }
.journey-copy--hero { top: clamp(50px, 9vh, 92px); width: min(830px, calc(100vw - 48px)); }
.journey-copy--final { top: clamp(62px, 12vh, 118px); }
.journey-copy h1 { max-width: none; margin-bottom: 14px; color: #f5fafb; font-size: clamp(5.5rem, 11vw, 11rem); line-height: .82; letter-spacing: -.085em; }
.journey-copy h2 { max-width: 690px; margin-bottom: 18px; color: #f4f9fa; font-size: clamp(3rem, 5.6vw, 5.8rem); line-height: .94; }
.journey-copy p:not(.journey-overline, .journey-index) { max-width: 610px; color: #94aab2; font-size: clamp(1rem, 1.35vw, 1.18rem); }
.journey-copy--hero > p:not(.journey-overline) { max-width: 690px; }
.journey-overline,
.journey-index { margin-bottom: 18px; color: #75e8f7; font-family: "Cascadia Code", Consolas, monospace; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.journey-overline span { display: inline-block; width: 28px; height: 1px; margin: 0 10px 3px 0; background: #bd965c; }
.journey-copy .hero-actions { margin: 30px 0 0; }

.journey-status {
  position: absolute;
  z-index: 5;
  right: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 13px;
  color: #698089;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .1em;
}

.journey-status__steps { display: flex; gap: 5px; }
.journey-status__steps i { width: 26px; height: 2px; background: #29424b; transition: background 180ms ease, box-shadow 180ms ease; }
.journey-status__steps i.is-active { background: #75a9b7; }

.journey-scroll-cue {
  position: absolute;
  z-index: 5;
  bottom: 29px;
  left: max(24px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  gap: 11px;
  color: #68808a;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: opacity 200ms ease;
}

.journey-scroll-cue i { position: relative; display: block; width: 42px; height: 1px; overflow: hidden; background: #29434d; }
.journey-scroll-cue i::after { position: absolute; inset: 0; background: #75a9b7; content: ""; animation: scrollCue 1.8s ease-in-out infinite; transform: translateX(-100%); }
@keyframes scrollCue { 55%, 100% { transform: translateX(100%); } }

.journey-followup { position: relative; overflow: hidden; padding-top: 155px; }
.journey-followup::before { position: absolute; top: 0; left: 55%; width: 2px; height: 92px; background: linear-gradient(#75a9b7, rgba(117,169,183,.08)); content: ""; }
.journey-followup::after { position: absolute; top: 86px; left: calc(55% - 5px); width: 12px; height: 12px; border: 2px solid #75a9b7; border-radius: 50%; background: var(--paper); content: ""; }

/* Calm industrial treatment for the opening route */
.journey-sticky { background: #10171b; }
.journey-glow,
.route-shadow { display: none; }
.journey-grid { opacity: .48; }
.route-progress,
.route-arrow path,
.origin-node,
.turn-node,
.down-node circle,
.feature-tap circle { filter: none; }
.route-signal { animation-duration: 2.8s; }
.pipe-shell { stroke: #536f77; filter: none; }
.pipe-highlight { stroke: rgba(180, 204, 210, .52); }
.power-conductor { stroke: #709da8; filter: none; }
.origin-ring,
.turn-ring { animation-iteration-count: 1; }

/* Reusable mnemonic system */
.mnemonic-section,
.mnemonic-final,
.page-hero { position: relative; isolation: isolate; overflow: hidden; }
.mnemonic-section > :not(.mnemonic-canvas),
.mnemonic-final > :not(.mnemonic-canvas),
.page-hero > :not(.mnemonic-canvas) { position: relative; z-index: 2; }

.mnemonic-canvas {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  color: var(--ink);
  opacity: .42;
  pointer-events: none;
}
.mnemonic-canvas::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--section-bg, var(--paper)) 0%, color-mix(in srgb, var(--section-bg, var(--paper)) 92%, transparent) 36%, color-mix(in srgb, var(--section-bg, var(--paper)) 48%, transparent) 75%, transparent 100%);
  content: "";
}
.mnemonic-canvas svg { position: absolute; top: 50%; right: max(-80px, calc((100vw - var(--max)) / 2 - 110px)); width: min(74vw, 1180px); height: auto; transform: translateY(-50%); }
.mnemonic-canvas--hero { inset: 0; opacity: .34; }
.mnemonic-canvas--hero::after { background: linear-gradient(90deg, var(--dark) 2%, rgba(16,23,27,.94) 44%, rgba(16,23,27,.35) 100%); }
.mnemonic-canvas--hero svg { right: -4vw; width: min(73vw, 1120px); }
.mnemonic-section--dark { --section-bg: var(--dark); background: var(--dark); color: var(--white); }
.mnemonic-section--alt { --section-bg: var(--paper-alt); background: var(--paper-alt); }
.mnemonic-section--light { --section-bg: var(--paper); background: var(--paper); }
.mnemonic-section--dark .mnemonic-canvas { color: #b9c5c8; opacity: .34; }
.mnemonic-section--dark .section-head p:last-child,
.mnemonic-section--dark p { color: #9aa9ae; }
.mnemonic-section--dark .kicker { color: #9fbd78; }

.mn-grid { opacity: .28; }
.mn-grid path { fill: none; stroke: currentColor; stroke-width: .65; }
.mn-line { fill: none; stroke: var(--mn-line); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.mn-line--subtle { stroke-dasharray: 5 9; opacity: .55; }
.mn-line--active { stroke: var(--mn-active); stroke-width: 2.1; }
.mn-line--flow { stroke-dasharray: .12 .06; stroke-dashoffset: 1; }
.is-active .mn-line--flow { animation: mnemonicFlow 2.6s ease-out both; }
@keyframes mnemonicFlow { to { stroke-dashoffset: 0; } }
.mn-node rect { fill: color-mix(in srgb, var(--section-bg, var(--paper)) 88%, transparent); stroke: var(--mn-line); stroke-width: 1.2; }
.mn-node__state { fill: var(--mn-normal); }
.mn-node--active rect { stroke: var(--mn-active); stroke-width: 1.8; }
.mn-node--active .mn-node__state { fill: var(--mn-active); }
.mn-node--warning rect { stroke: var(--mn-warning); }
.mn-node--warning .mn-node__state { fill: var(--mn-warning); }
.mn-node--alarm rect { stroke: var(--mn-alarm); }
.mn-node--alarm .mn-node__state { fill: var(--mn-alarm); }
.mn-node__title,
.mn-node__meta,
.mn-label,
.mn-caption,
.mn-step,
.mn-screen__title { fill: currentColor; font-family: "Cascadia Code", Consolas, monospace; }
.mn-node__title { font-size: 13px; font-weight: 700; letter-spacing: .06em; }
.mn-node__meta { font-size: 9px; letter-spacing: .12em; opacity: .58; }
.mn-caption { font-size: 10px; letter-spacing: .16em; opacity: .58; }
.mn-step { font-size: 10px; letter-spacing: .1em; opacity: .72; }
.mn-junction circle:first-child { fill: color-mix(in srgb, var(--section-bg, var(--paper)) 84%, transparent); stroke: var(--mn-active); stroke-width: 1.4; }
.mn-junction__core { fill: var(--mn-active); }
.mn-junction--normal circle:first-child { stroke: var(--mn-normal); }
.mn-junction--normal .mn-junction__core { fill: var(--mn-normal); }
.mn-junction--warning circle:first-child { stroke: var(--mn-warning); }
.mn-junction--warning .mn-junction__core { fill: var(--mn-warning); }
.mn-junction--alarm circle:first-child { stroke: var(--mn-alarm); }
.mn-junction--alarm .mn-junction__core { fill: var(--mn-alarm); }
.mn-screen rect { fill: color-mix(in srgb, var(--section-bg, var(--dark)) 82%, transparent); stroke: var(--mn-line); stroke-width: 1.4; }
.mn-screen path { fill: none; stroke: var(--mn-line); stroke-width: 1; }
.mn-screen .mn-screen__layout { stroke-dasharray: 5 5; opacity: .75; }
.mn-screen__process { fill: none; stroke: var(--mn-active); stroke-width: 2; }
.mn-screen__title { font-size: 10px; letter-spacing: .1em; }
.is-active .mn-node,
.is-active .mn-screen,
.is-active .mn-junction { animation: mnemonicNodeIn 720ms cubic-bezier(.22,1,.36,1) both; }
.is-active .mn-node:nth-of-type(2n),
.is-active .mn-screen:nth-of-type(2n) { animation-delay: 120ms; }
@keyframes mnemonicNodeIn { from { opacity: 0; transform: translateY(8px); } }
.is-settled .mn-line--flow { animation: none; stroke-dashoffset: 0; }

.section-layout--split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: end; gap: 76px; }
.section-layout--split .section-head { margin-bottom: 0; }
.system-readout,
.telemetry-list { display: grid; border-top: 1px solid var(--line-dark); background: color-mix(in srgb, var(--section-bg, var(--dark)) 84%, transparent); }
.system-readout span,
.telemetry-list > div { display: grid; grid-template-columns: 50px 1fr auto; align-items: center; gap: 12px; min-height: 62px; padding: 12px 16px; border-bottom: 1px solid var(--line-dark); color: #bec9cc; font-size: 13px; }
.system-readout span { grid-template-columns: 42px 1fr; }
.system-readout b,
.telemetry-list span { color: var(--mn-active); font-family: "Cascadia Code", Consolas, monospace; font-size: 10px; letter-spacing: .1em; }
.state { padding: 4px 7px; border: 1px solid currentColor; border-radius: 2px; font-family: "Cascadia Code", Consolas, monospace; font-size: 9px; font-style: normal; letter-spacing: .08em; text-transform: uppercase; }
.state--normal { color: var(--mn-normal); }
.state--warning { color: var(--mn-warning); }

.node-register { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 230px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); background: rgba(241,244,244,.74); }
.node-register article { min-height: 205px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.node-register span { display: inline-block; margin-bottom: 48px; color: var(--mn-active); font-family: "Cascadia Code", Consolas, monospace; font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.node-register p { color: var(--muted); font-size: 14px; }

.pipeline-register { display: grid; grid-template-columns: repeat(6, 1fr); margin: 230px 0 0; padding: 0; border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); list-style: none; }
.pipeline-register li { position: relative; min-height: 175px; padding: 20px; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.pipeline-register li:not(:last-child)::after { position: absolute; z-index: 1; top: 38px; right: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--mn-active); content: ""; }
.pipeline-register small { display: block; margin-bottom: 34px; color: var(--mn-active); font-family: "Cascadia Code", Consolas, monospace; }
.pipeline-register strong { display: block; color: #edf2f3; font-size: 14px; }
.pipeline-register span { display: block; margin-top: 8px; color: #83959b; font-size: 12px; }

.signal-register { display: grid; grid-template-columns: repeat(6, 1fr); margin: 245px 0 0; padding: 0; border: 1px solid var(--line-dark); list-style: none; }
.signal-register li { min-height: 90px; padding: 18px; border-right: 1px solid var(--line-dark); }
.signal-register li:last-child { border-right: 0; }
.signal-register b { display: block; margin-bottom: 12px; color: var(--mn-active); font-family: "Cascadia Code", Consolas, monospace; font-size: 10px; }
.signal-register span { color: #c4ced1; font-size: 12px; }

.mnemonic-final { --section-bg: var(--dark); min-height: 520px; display: grid; place-items: center; }
.mnemonic-final .mnemonic-canvas { opacity: .4; }
.mnemonic-final .mnemonic-canvas::after { background: radial-gradient(circle at 50% 50%, rgba(16,23,27,.25), rgba(16,23,27,.94) 64%); }
.mnemonic-final .mnemonic-canvas svg { right: 50%; width: min(1000px, 90vw); transform: translate(50%, -50%); }
.mnemonic-final .hero-actions { justify-content: center; }

.mnemonic-section .product-cards,
.mnemonic-section .feature-grid,
.mnemonic-section .support-band,
.mnemonic-section .detail-grid,
.mnemonic-section .step-grid,
.mnemonic-section .release-grid { position: relative; z-index: 2; margin-top: 210px; gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.mnemonic-section .product-card,
.mnemonic-section .feature-card,
.mnemonic-section .support-card,
.mnemonic-section .detail-card,
.mnemonic-section .step-card,
.mnemonic-section .release-card { border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; background: color-mix(in srgb, var(--section-bg, var(--paper)) 90%, transparent); box-shadow: none; }
.mnemonic-section--dark .product-card,
.mnemonic-section--dark .feature-card,
.mnemonic-section--dark .support-card,
.mnemonic-section--dark .detail-card,
.mnemonic-section--dark .step-card,
.mnemonic-section--dark .release-card { border-color: var(--line-dark); background: rgba(21,30,35,.86); color: var(--white); }
.mnemonic-section .product-card--accent,
.mnemonic-section .support-card--dark { background: color-mix(in srgb, var(--section-bg, var(--dark)) 82%, var(--mn-active) 5%); }
.mnemonic-section .feature-code,
.mnemonic-section .product-index,
.mnemonic-section .release-label { border: 1px solid var(--mn-line); border-radius: 3px; background: transparent; color: var(--mn-active); box-shadow: none; }
.mnemonic-section .status-card { margin-top: 190px; border: 1px solid var(--line); border-radius: 0; background: color-mix(in srgb, var(--section-bg, var(--paper)) 90%, transparent); box-shadow: none; }
.mnemonic-section--dark .status-card { border-color: var(--line-dark); background: rgba(21,30,35,.88); color: var(--white); }
.mnemonic-section--dark .status-card p { color: #9aa9ae; }
.mnemonic-section .architecture-flow { position: relative; z-index: 2; margin-top: 220px; }
.mnemonic-section .scenario { position: relative; z-index: 2; background: color-mix(in srgb, var(--section-bg, var(--paper)) 88%, transparent); }
.mnemonic-section .section-head { position: relative; z-index: 3; }

.section, .section-dark, .page-hero, .guide-shell { padding-right: max(24px, calc((100vw - var(--max)) / 2)); padding-left: max(24px, calc((100vw - var(--max)) / 2)); }
.section { padding-top: 108px; padding-bottom: 108px; }
.section--compact { padding-top: 78px; padding-bottom: 78px; }
.section--alt { background: var(--paper-alt); }
.section-dark { padding-top: 108px; padding-bottom: 108px; background: var(--dark); color: var(--white); }
.section-head { max-width: 850px; margin-bottom: 48px; }
.section-head p:last-child { max-width: 740px; color: var(--muted); font-size: 1.1rem; }
.section-dark .section-head p:last-child { color: #93a8b1; }
.section-dark .kicker, .page-hero .kicker { color: var(--accent); }

.product-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.product-card { display: flex; min-height: 365px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.product-card--accent { background: var(--dark-2); color: var(--white); }
.product-index { display: grid; width: 50px; height: 50px; place-items: center; margin-bottom: 56px; border-radius: 12px; background: var(--ink); color: var(--accent); font-weight: 900; }
.product-card--accent .product-index { background: var(--accent); color: var(--ink); }
.product-card p { color: var(--muted); }
.product-card--accent p { color: #94aab3; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: var(--accent-deep); font-weight: 800; }
.product-card--accent .text-link { color: var(--accent); }
.text-link::after { content: "→"; transition: transform 160ms ease; }
.text-link:hover::after { transform: translateX(4px); }

.feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.feature-card { min-height: 245px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.72); }
.feature-code { display: inline-grid; min-width: 52px; height: 52px; place-items: center; margin-bottom: 42px; padding: 0 11px; border-radius: 12px; background: var(--ink); color: var(--accent); font-size: 12px; font-weight: 900; }
.feature-card p { margin-bottom: 0; color: var(--muted); }

.support-band { display: grid; grid-template-columns: .9fr 1.1fr; gap: 14px; }
.support-card { min-height: 390px; padding: 38px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.support-card--dark { background: var(--dark-2); color: var(--white); }
.support-card p { color: var(--muted); }
.support-card--dark p { color: #94aab3; }
.chapter-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; margin: 30px 0 0; padding: 0; list-style: none; }
.chapter-list a { display: block; padding: 14px; border: 1px solid var(--line-dark); border-radius: 10px; background: rgba(255,255,255,.035); color: #d6e1e5; font-size: 13px; font-weight: 700; }
.chapter-list a:hover { border-color: rgba(127,159,117,.45); color: var(--accent); }

.status-card { display: grid; grid-template-columns: 1.1fr .9fr; gap: 55px; padding: 45px; border: 1px solid var(--line); border-radius: 22px; background: var(--white); box-shadow: var(--shadow); }
.status-card p { color: var(--muted); }
.status-list { align-self: center; border-top: 1px solid var(--line); }
.status-list div { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; font-weight: 700; }
.badge { display: inline-flex; align-items: center; width: max-content; padding: 5px 9px; border-radius: 999px; background: rgba(114,167,0,.12); color: #557d00; font-size: 10px; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.badge--warn { background: rgba(220,145,0,.13); color: #8b5c00; }
.notice { display: flex; align-items: flex-start; gap: 14px; margin-top: 18px; padding: 19px 21px; border: 1px solid rgba(176,116,0,.18); border-radius: 13px; background: #fff7de; color: #69592f; }
.notice strong { display: block; color: #3e351f; }
.notice-icon { display: grid; flex: 0 0 auto; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: var(--warn); color: #443400; font-weight: 900; }
.notice--info { border-color: rgba(40,126,160,.18); background: #eaf8fc; color: #3f6574; }
.notice--info .notice-icon { background: var(--cyan); }

.page-hero { padding-top: 84px; padding-bottom: 82px; background: var(--dark); color: var(--white); }
.page-hero__inner { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(320px,.8fr); align-items: end; gap: 70px; max-width: var(--max); margin: 0 auto; }
.page-hero h1 { max-width: 860px; font-size: clamp(3rem,5.5vw,5.25rem); }
.page-hero__lead { max-width: 720px; color: #a6b9c1; font-size: 1.18rem; }
.download-hero .hero-actions { margin-bottom: 0; }
.hero-meta { display: grid; gap: 9px; padding: 22px; border: 1px solid var(--line-dark); border-radius: 14px; background: rgba(255,255,255,.035); color: #8298a1; font-size: 13px; }
.hero-meta strong { color: #e5edef; }

.architecture-flow { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 0; padding: 0; list-style: none; }
.architecture-flow li { position: relative; min-height: 285px; padding: 28px; border: 1px solid var(--line-dark); background: rgba(255,255,255,.025); }
.architecture-flow li:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.architecture-flow li:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.architecture-flow li:not(:last-child)::after { position: absolute; z-index: 1; top: 68px; right: -13px; display: grid; width: 26px; height: 26px; place-items: center; border: 1px solid var(--line-dark); border-radius: 50%; background: var(--dark); color: var(--accent); content: "→"; }
.architecture-flow small { display: block; margin-bottom: 36px; color: #607984; font-weight: 900; }
.architecture-flow p { color: #90a5ae; font-size: 14px; }

.detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.detail-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.detail-card ul { padding-left: 20px; color: var(--muted); }
.detail-card li + li { margin-top: 7px; }

.step-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; counter-reset: steps; }
.step-card { min-height: 280px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); counter-increment: steps; }
.step-card::before { display: block; margin-bottom: 42px; color: var(--accent-deep); content: "0" counter(steps); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.step-card p { color: var(--muted); }

.scenario { display: grid; grid-template-columns: 260px 1fr; gap: 42px; padding: 34px 0; border-top: 1px solid var(--line); }
.scenario:last-child { border-bottom: 1px solid var(--line); }
.scenario > div > p { color: var(--muted); }
.scenario ol { margin-bottom: 0; padding-left: 21px; }
.scenario li + li { margin-top: 9px; }

.guide-tools { padding: 26px max(24px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: var(--paper-alt); }
.guide-search { display: grid; max-width: var(--max); grid-template-columns: 1fr auto; align-items: center; gap: 14px; margin: 0 auto; }
.guide-search label { font-weight: 800; }
.guide-search input { width: 560px; max-width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); color: var(--ink); outline: none; }
.guide-search input:focus { border-color: var(--accent-deep); box-shadow: 0 0 0 3px rgba(114,167,0,.1); }
.guide-shell { display: grid; grid-template-columns: 265px minmax(0,1fr); align-items: start; gap: 56px; padding-top: 52px; padding-bottom: 110px; }
.guide-toc { position: sticky; top: 94px; max-height: calc(100vh - 118px); overflow: auto; }
.guide-toc strong { display: block; margin-bottom: 10px; font-size: 13px; }
.guide-toc nav { display: grid; gap: 3px; }
.guide-toc a { padding: 8px 10px; border-left: 2px solid transparent; color: var(--muted); font-size: 13px; }
.guide-toc a:hover, .guide-toc a.is-active { border-color: var(--accent-deep); background: rgba(114,167,0,.07); color: var(--ink); }
.guide-content { min-width: 0; max-width: 850px; }
.guide-section { padding: 0 0 66px; }
.guide-section + .guide-section { padding-top: 8px; border-top: 1px solid var(--line); }
.guide-section h2 { padding-top: 50px; font-size: clamp(2rem,3vw,3rem); }
.guide-section h3 { margin-top: 32px; }
.guide-section p, .guide-section li { color: #43545c; }
.guide-section li + li { margin-top: 7px; }
.guide-section ol, .guide-section ul { padding-left: 22px; }
.chapter-number { display: inline-grid; min-width: 44px; height: 29px; place-items: center; margin-bottom: 16px; padding: 0 9px; border-radius: 999px; background: var(--ink); color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.term-table { width: 100%; margin: 24px 0; border-collapse: collapse; background: var(--white); font-size: 14px; }
.term-table th, .term-table td { padding: 13px 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.term-table th { background: var(--paper-alt); color: var(--ink); }
.term-table td { color: #43545c; }
.code-block { position: relative; margin: 20px 0; overflow: hidden; border: 1px solid var(--line-dark); border-radius: 13px; background: var(--dark); color: #c8d5da; }
.code-block pre { margin: 0; padding: 24px 88px 24px 24px; overflow: auto; font-size: 13px; line-height: 1.75; white-space: pre-wrap; }
.copy-button { position: absolute; top: 11px; right: 11px; padding: 7px 9px; border: 1px solid var(--line-dark); border-radius: 7px; background: #192930; color: #b7c7cd; cursor: pointer; font-size: 11px; font-weight: 750; }
.search-empty { margin-top: 40px; padding: 30px; border: 1px dashed var(--line); border-radius: var(--radius); text-align: center; }
.callout { margin: 24px 0; padding: 19px 21px; border-left: 4px solid var(--accent-deep); border-radius: 0 10px 10px 0; background: #edf5dc; color: #41531c; }
.callout strong { color: #24300d; }
.callout--danger { border-color: #d59b00; background: #fff5d7; color: #6b5929; }

.release-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.release-card { display: flex; min-height: 390px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.release-card p, .release-card li { color: var(--muted); }
.release-card ul { padding-left: 20px; }
.release-card .button { margin-top: auto; }
.release-label { display: inline-flex; width: max-content; margin-bottom: 43px; padding: 6px 9px; border-radius: 999px; background: var(--ink); color: var(--accent); font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }

.final-cta { padding: 90px max(24px, calc((100vw - var(--max)) / 2)); background: var(--dark); color: var(--white); text-align: center; }
.final-cta > div { max-width: 900px; margin: 0 auto; }
.final-cta .kicker { color: var(--accent); }
.final-cta .button { margin-top: 16px; }

.site-footer { padding: 52px max(24px, calc((100vw - var(--max)) / 2)); background: #101a20; color: #8fa2aa; }
.footer-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 50px; max-width: var(--max); margin: 0 auto; }
.site-footer .brand { color: var(--white); }
.footer-copy { max-width: 440px; margin-top: 18px; font-size: 13px; }
.footer-links { display: grid; gap: 7px; }
.footer-links strong { margin-bottom: 6px; color: #d8e2e5; font-size: 13px; }
.footer-links a { width: max-content; font-size: 13px; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; max-width: var(--max); margin: 38px auto 0; padding-top: 20px; border-top: 1px solid var(--line-dark); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 620ms ease, transform 620ms cubic-bezier(.22,1,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .hero-grid, .page-hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-links { max-width: 820px; }
  .product-cards, .release-grid { grid-template-columns: 1fr; }
  .product-card, .release-card { min-height: auto; }
  .product-index, .release-label { margin-bottom: 30px; }
  .architecture-flow { grid-template-columns: repeat(2,1fr); }
  .architecture-flow li:first-child { border-radius: var(--radius) 0 0 0; }
  .architecture-flow li:nth-child(2) { border-radius: 0 var(--radius) 0 0; }
  .architecture-flow li:nth-child(3) { border-radius: 0 0 0 var(--radius); }
  .architecture-flow li:last-child { border-radius: 0 0 var(--radius) 0; }
  .architecture-flow li:nth-child(2)::after { display: none; }
  .section-layout--split { grid-template-columns: 1fr; gap: 42px; }
  .node-register { grid-template-columns: repeat(2, 1fr); }
  .pipeline-register,
  .signal-register { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .site-header { grid-template-columns: auto auto; justify-content: space-between; }
  .header-cta { display: none; }
  .menu-toggle { display: inline-flex; min-height: 42px; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid var(--line-dark); border-radius: 9px; background: rgba(255,255,255,.06); color: var(--white); font-size: 13px; font-weight: 800; }
  .menu-toggle__icon, .menu-toggle__icon::before, .menu-toggle__icon::after { display: block; width: 16px; height: 2px; border-radius: 2px; background: currentColor; content: ""; transition: transform 180ms ease; }
  .menu-toggle__icon::before { transform: translateY(-5px); }
  .menu-toggle__icon::after { transform: translateY(3px); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon { background: transparent; }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { transform: translateY(0) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { transform: translateY(-2px) rotate(-45deg); }
  .main-nav { position: fixed; top: 72px; right: 0; left: 0; display: grid; gap: 4px; max-height: calc(100vh - 72px); padding: 14px 24px 22px; overflow: auto; border-bottom: 1px solid var(--line-dark); background: rgba(11,20,25,.99); box-shadow: 0 24px 40px rgba(0,0,0,.25); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity 180ms ease, transform 180ms ease; }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .main-nav > a, .nav-group > summary { padding: 13px 14px; background: rgba(255,255,255,.04); }
  .nav-panel { position: static; width: auto; margin: 4px 0 8px; box-shadow: none; }
  .feature-grid, .step-grid { grid-template-columns: repeat(2,1fr); }
  .support-band, .status-card { grid-template-columns: 1fr; }
  .guide-shell { grid-template-columns: 1fr; }
  .guide-toc { position: static; max-height: none; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
  .guide-toc nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .journey-copy { top: 8vh; }
  .journey-copy h2 { font-size: clamp(2.8rem, 9vw, 4.7rem); }
  .journey-status__label { display: none; }
  .mnemonic-canvas svg { right: -280px; width: 980px; }
  .mnemonic-canvas--hero svg { right: -360px; width: 980px; }
  .mnemonic-section .product-cards,
  .mnemonic-section .feature-grid,
  .mnemonic-section .support-band,
  .mnemonic-section .detail-grid,
  .mnemonic-section .step-grid,
  .mnemonic-section .release-grid,
  .mnemonic-section .status-card,
  .mnemonic-section .architecture-flow { margin-top: 170px; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(2.75rem,13vw,4.4rem); }
  h2 { font-size: 2.15rem; }
  .home-hero { padding-top: 58px; padding-bottom: 68px; }
  .hero-grid { gap: 38px; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .hero-links { grid-template-columns: 1fr; }
  .hero-link, .hero-link:nth-child(odd), .hero-link:nth-last-child(-n+2) { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .hero-link:last-child { border-bottom: 0; }
  .section, .section-dark { padding-top: 76px; padding-bottom: 76px; }
  .section--compact { padding-top: 60px; padding-bottom: 60px; }
  .feature-grid, .step-grid, .detail-grid { grid-template-columns: 1fr; }
  .chapter-list { grid-template-columns: 1fr; }
  .architecture-flow { grid-template-columns: 1fr; }
  .architecture-flow li, .architecture-flow li:first-child, .architecture-flow li:nth-child(2), .architecture-flow li:nth-child(3), .architecture-flow li:last-child { min-height: auto; border-radius: 0; }
  .architecture-flow li:first-child { border-radius: var(--radius) var(--radius) 0 0; }
  .architecture-flow li:last-child { border-radius: 0 0 var(--radius) var(--radius); }
  .architecture-flow li::after { display: none !important; }
  .status-card, .support-card { padding: 27px 22px; }
  .page-hero { padding-top: 60px; padding-bottom: 60px; }
  .page-hero h1 { font-size: clamp(2.7rem,12vw,4rem); }
  .guide-search { grid-template-columns: 1fr; }
  .guide-search input { width: 100%; }
  .guide-toc nav { grid-template-columns: 1fr; }
  .guide-shell { gap: 30px; padding-bottom: 75px; }
  .guide-section { padding-bottom: 44px; }
  .guide-section h2 { padding-top: 36px; }
  .term-table { display: block; overflow-x: auto; }
  .code-block pre { padding: 60px 18px 20px; font-size: 11px; }
  .scenario { grid-template-columns: 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .scada-journey { height: 480svh; min-height: 3000px; }
  .journey-sticky { min-height: 520px; }
  .journey-grid { background-size: 90px 90px, 90px 90px, 18px 18px, 18px 18px; }
  .journey-copy,
  .journey-copy--hero,
  .journey-copy--final { top: 7vh; left: 24px; width: calc(100vw - 48px); }
  .journey-copy h1 { font-size: clamp(4.25rem, 21vw, 6.4rem); line-height: .86; }
  .journey-copy h2 { font-size: clamp(2.55rem, 12vw, 3.65rem); }
  .journey-copy p:not(.journey-overline, .journey-index) { font-size: .96rem; line-height: 1.55; }
  .journey-overline,
  .journey-index { font-size: 9px; line-height: 1.5; }
  .journey-copy .hero-actions,
  .journey-copy .hero-actions .button { width: 100%; }
  .journey-copy .hero-actions { display: grid; margin-top: 22px; }
  .journey-status { right: 24px; bottom: 22px; }
  .journey-status__steps i { width: 18px; }
  .journey-scroll-cue { bottom: 22px; left: 24px; }
  .journey-scroll-cue span { display: none; }
  .journey-followup::before { left: 55%; }
  .journey-followup::after { left: calc(55% - 5px); }
  .mnemonic-canvas { opacity: .22; }
  .mnemonic-canvas::after { background: linear-gradient(180deg, var(--section-bg, var(--paper)) 0%, color-mix(in srgb, var(--section-bg, var(--paper)) 88%, transparent) 45%, transparent 100%); }
  .mnemonic-canvas svg,
  .mnemonic-canvas--hero svg { top: 52%; right: 50%; width: 790px; transform: translate(50%, -50%); }
  .page-hero .mnemonic-canvas svg { right: -470px; transform: translateY(-50%); }
  .node-register,
  .pipeline-register,
  .signal-register { grid-template-columns: 1fr; margin-top: 150px; }
  .node-register article { min-height: auto; }
  .pipeline-register li,
  .signal-register li { min-height: auto; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
  .pipeline-register li:not(:last-child)::after { top: auto; right: 20px; bottom: -5px; }
  .mnemonic-section .product-cards,
  .mnemonic-section .feature-grid,
  .mnemonic-section .support-band,
  .mnemonic-section .detail-grid,
  .mnemonic-section .step-grid,
  .mnemonic-section .release-grid,
  .mnemonic-section .status-card,
  .mnemonic-section .architecture-flow { margin-top: 140px; }
  .system-readout span,
  .telemetry-list > div { grid-template-columns: 42px 1fr; }
  .telemetry-list .state { grid-column: 2; width: max-content; }
  .mnemonic-final { min-height: 580px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
  .scada-journey { height: calc(100svh - 72px); min-height: 620px; }
  .journey-sticky { position: relative; top: 0; }
  .route-signal,
  .origin-ring,
  .turn-ring,
  .journey-scroll-cue i::after { animation: none; }
  .mn-line--flow,
  .mn-node,
  .mn-screen,
  .mn-junction { animation: none !important; }
}