/* ============================================================
   SPACEBUS — visual layer, built on the Spacebus.ai design system
   (tokens synced from Claude Design: colors, typography, spacing, effects).
   Structure/content lives in the HTML; this file is styling only.
   Fonts loaded via <link> in HTML for faster mobile render.
   ============================================================ */
:root {
  /* ---- Surfaces ---- */
  --color-bg:        #060708;
  --color-bg-2:      #0b0d10;
  --color-panel:     #0e1115;
  --color-panel-2:   #11151a;

  /* ---- Ink ramp ---- */
  --color-ink:       #f4f6f8;
  --color-ink-2:     #aeb6bf;
  --color-ink-3:     #6b747e;
  --color-metal:     #dfe6ec;

  /* ---- Accents ---- */
  --color-signal:    #ff6a3d;
  --color-signal-2:  #ff8a5f;
  --color-ice:       #7fd4e6;

  /* ---- Hairlines & grid ---- */
  --hair:            rgba(255,255,255,.09);
  --hair-2:          rgba(255,255,255,.05);
  --grid:            rgba(127,212,230,.05);

  /* ---- Fonts ---- */
  --font-display: "Saira", "Helvetica Neue", sans-serif;
  --font-body:    "Saira", "Helvetica Neue", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

  /* ---- Type scale ---- */
  --text-hero:     clamp(40px, 7.4vw, 78px);
  --text-h2:       clamp(32px, 4.2vw, 64px);
  --text-subhead:  clamp(22px, 3.6vw, 46px);
  --text-section:  clamp(22px, 3vw, 34px);
  --text-figure:   clamp(50px, 6.6vw, 78px);
  --text-lede:     clamp(16px, 1.7vw, 20px);
  --text-xl:       clamp(30px, 3.4vw, 40px);
  --text-lg:       19px;
  --text-md:       18px;
  --text-body:     15px;
  --text-body-sm:  14.5px;
  --text-label:    11px;
  --text-label-lg: 12px;
  --text-micro:    10.5px;

  --track-kicker:   .32em;
  --track-label:    .22em;
  --track-brand:    .28em;
  --track-meta:     .2em;
  --track-tight:   -.02em;
  --track-tighter: -.03em;

  --leading-hero:    .98;
  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.5;
  --leading-body:    1.6;

  /* ---- Spacing / layout ---- */
  --space-1: 4px;  --space-2: 8px;   --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px;  --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;
  --maxw:    1180px;
  --gutter:  32px;
  --section-y: 74px;

  /* ---- Effects ---- */
  --seam:      1px;
  --grid-size: 44px;
  --transition-fast: .15s ease;
  --transition-base: .3s ease;
  --transition-slow: .5s ease;
  --glow-ice:    0 0 8px var(--color-ice);
  --glow-signal: 0 0 8px var(--color-signal);
  --shadow-panel: 0 24px 60px -20px rgba(0,0,0,.8);
  --wash-ice:    radial-gradient(120% 80% at 50% -10%, rgba(127,212,230,.06), transparent 55%);
  --wash-signal: radial-gradient(100% 70% at 80% 100%, rgba(255,106,61,.05), transparent 60%);

  /* ---- Legacy aliases (referenced inline in HTML) ---- */
  --muted: var(--color-ink-2);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* fixed blueprint grid + editorial washes, sit behind all content */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  mask-image: radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: var(--wash-ice), var(--wash-signal);
}

h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 300; margin: 0; }

p { margin: 0; }

a { color: var(--color-ice); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-signal); }

.wrap {
  position: relative; z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============================================================
   Nav / status bar
   ============================================================ */
header.site {
  position: sticky; top: 0; z-index: 20;
  background: rgba(6,7,8,.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hair);
  box-shadow: 0 20px 40px -24px rgba(0,0,0,.85);
}
header.site::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--meter-fill);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter);
}
.nav .logo,
footer .logo {
  --logo-h: calc(19px * 0.82);
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 0;
}
.nav .logo::after,
footer .logo::after {
  content: "";
  position: absolute;
  left: calc(3.22 / 103.4 * var(--logo-h));
  top: 50%;
  width: calc(96.95 / 103.4 * var(--logo-h));
  height: calc(96.95 / 103.4 * var(--logo-h));
  transform: translateY(-50%);
  box-shadow:
    0 0 2px rgba(127, 212, 230, 0.5),
    0 0 6px rgba(127, 212, 230, 0.45),
    0 0 14px rgba(127, 212, 230, 0.33),
    0 0 24px rgba(127, 212, 230, 0.18);
  pointer-events: none;
  z-index: 0;
}
.nav .logo img,
footer .logo img {
  position: relative;
  z-index: 1;
  display: block;
  height: var(--logo-h);
  width: auto;
}
.nav .logo:hover::after {
  box-shadow:
    0 0 2px rgba(127, 212, 230, 0.5),
    0 0 8px rgba(127, 212, 230, 0.48),
    0 0 18px rgba(127, 212, 230, 0.38),
    0 0 28px rgba(127, 212, 230, 0.2);
}
.nav ul {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-ink-2);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--track-meta);
  text-transform: uppercase;
}
.nav a:hover { color: var(--color-ice); }
.nav .cta {
  border: 1px solid var(--hair);
  padding: 9px 18px;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--track-meta);
  text-transform: uppercase;
}
.nav .cta:hover {
  border-color: var(--color-signal);
  color: var(--color-signal);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--hair);
  background: transparent;
  cursor: pointer;
  color: var(--color-ink);
  flex: none;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
}

/* ============================================================
   Hero / page-header
   ============================================================ */
.hero { padding: var(--space-20) 0 var(--space-12); border-bottom: 1px solid var(--hair); }
.page-header { padding: var(--space-16) 0 var(--space-10); border-bottom: 1px solid var(--hair); }

.hero .eyebrow,
.page-header .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-label-lg);
  letter-spacing: var(--track-kicker);
  text-transform: uppercase;
  color: var(--color-ice);
  display: flex; align-items: center; gap: 14px;
  margin-bottom: var(--space-6);
}
.hero .eyebrow::before,
.page-header .eyebrow::before {
  content: ""; width: 30px; height: 1px; background: var(--color-ice); opacity: .6;
}

.hero h1 {
  font-weight: 200;
  letter-spacing: var(--track-tight);
  line-height: var(--leading-hero);
  font-size: var(--text-hero);
  max-width: 900px;
  margin-bottom: var(--space-5);
  color: var(--color-ink);
}
.page-header h1 {
  font-weight: 200;
  letter-spacing: var(--track-tight);
  line-height: var(--leading-tight);
  font-size: var(--text-h2);
  max-width: 780px;
  margin-bottom: var(--space-4);
  color: var(--color-ink);
}
.hero p.lede,
.page-header p.lede {
  font-weight: 300;
  font-size: var(--text-lede);
  color: var(--color-ink-2);
  max-width: 680px;
  line-height: 1.62;
}
.hero-ctas { display: flex; gap: 16px; margin-top: var(--space-8); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  padding: 13px 26px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  border-radius: var(--radius-none, 0);
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.btn-primary { background: var(--color-signal); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-signal-2); color: var(--color-bg); box-shadow: 0 0 24px -4px rgba(255,106,61,.6); }
.btn-secondary { border: 1px solid var(--hair); color: var(--color-ink); }
.btn-secondary:hover { border-color: var(--color-ice); color: var(--color-ice); box-shadow: 0 0 18px -6px rgba(127,212,230,.45); }

/* ============================================================
   Sections
   ============================================================ */
body { counter-reset: secnum; }
section { padding: var(--section-y) 0; border-bottom: 1px solid var(--hair); position: relative; }
section:last-of-type { border-bottom: none; }
section:not(.hero) { counter-increment: secnum; }

section h2 {
  font-weight: 300;
  letter-spacing: var(--track-tight);
  font-size: var(--text-section);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  margin: 0 0 var(--space-3) 3em;
  position: relative;
}
section h2::before {
  content: counter(secnum, decimal-leading-zero);
  position: absolute;
  left: -3em;
  top: .1em;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  font-weight: 400;
  letter-spacing: var(--track-label);
  color: var(--color-signal);
  text-shadow: var(--glow-signal);
}
section .section-lede {
  color: var(--color-ink-2);
  max-width: 680px;
  margin: 0 0 var(--space-10) 3em;
  font-size: var(--text-body);
  font-weight: 300;
  line-height: 1.6;
}
@media (max-width: 640px) {
  section h2, section .section-lede { margin-left: 0; }
  section h2::before { position: static; display: block; margin-bottom: var(--space-2); }
}

/* ============================================================
   Grids / cards
   ============================================================ */
.grid {
  display: grid;
  gap: var(--seam);
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  background: var(--hair);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
}
.card {
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}
.card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--meter-fill);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow) var(--reveal-ease);
}
.card:hover { background: var(--color-panel); box-shadow: inset 0 0 60px -32px rgba(127,212,230,.35); }
.card:hover::before { transform: scaleX(1); }
.card h3 {
  margin: 0 0 var(--space-2);
  font-weight: 500;
  font-size: var(--text-md);
  letter-spacing: -.01em;
  color: var(--color-ink);
}
.card p { margin: 0; color: var(--color-ink-2); font-size: var(--text-body-sm); font-weight: 300; line-height: 1.6; }

/* ============================================================
   Stat band (home hero readout)
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--seam);
  background: var(--hair);
  border: 1px solid var(--hair);
  border-top: none;
  box-shadow: var(--shadow-panel);
  position: relative;
  z-index: 1;
}
.stat {
  background: var(--color-bg);
  padding: var(--space-6) var(--space-6) var(--space-8);
  transition: background var(--transition-slow);
}
.stat:hover { background: var(--color-panel); }
.stat::before {
  content: "";
  display: block;
  width: 26px; height: 2px;
  background: var(--meter-fill);
  opacity: .85;
  margin-bottom: var(--space-4);
}
.stat .num {
  font-weight: 200;
  font-size: var(--text-xl);
  letter-spacing: var(--track-tight);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
  margin-bottom: var(--space-2);
}
.stat:nth-child(2) .num { color: var(--color-ice); }
.stat:last-child .num { color: var(--color-signal); }
.stat .label {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--color-ink);
}

/* ============================================================
   Two column (split)
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--seam);
  align-items: stretch;
  background: var(--hair);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
}
.split > div { background: var(--color-bg); padding: var(--space-10) var(--space-8); }
.split h3 { font-weight: 500; font-size: var(--text-md); letter-spacing: -.01em; color: var(--color-ink); margin: 0 0 var(--space-2); }
.split p { color: var(--color-ink-2); font-size: var(--text-body); font-weight: 300; line-height: 1.6; }
.split p + p { margin-top: var(--space-4); }
@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(34px, 9vw, 56px); }
  .nav ul { gap: 16px; }
}

/* ============================================================
   Lists
   ============================================================ */
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  padding: var(--space-3) 0 var(--space-3) 28px;
  position: relative;
  border-bottom: 1px solid var(--hair-2);
  color: var(--color-ink-2);
  font-size: var(--text-body-sm);
  font-weight: 300;
  line-height: 1.55;
}
.check-list li:last-child { border-bottom: none; }
.check-list li:before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--color-signal);
  font-family: var(--font-mono);
  text-shadow: var(--glow-signal);
}

/* ============================================================
   Table
   ============================================================ */
table { width: 100%; border-collapse: collapse; border: 1px solid var(--hair); background: var(--color-bg); box-shadow: var(--shadow-panel); }
table th, table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hair);
  font-size: var(--text-body-sm);
  font-weight: 300;
  color: var(--color-ink-2);
  transition: background var(--transition-base);
}
table th {
  color: var(--color-ink-3);
  font-weight: 500;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: var(--text-micro);
  letter-spacing: var(--track-label);
  background: var(--color-bg-2);
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--color-panel); }

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-panel);
}
.table-scroll table {
  margin: 0;
  border: none;
  box-shadow: none;
}

/* ============================================================
   Timeline
   ============================================================ */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  counter-reset: stepnum;
  border: 1px solid var(--hair);
  background: var(--color-bg);
  box-shadow: var(--shadow-panel);
}
.timeline .step {
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-left: 1px solid var(--hair);
  position: relative;
  transition: background var(--transition-slow);
}
.timeline .step:first-child { border-left: none; }
.timeline .step:hover { background: var(--color-panel); }
.timeline .step::before {
  counter-increment: stepnum;
  content: counter(stepnum, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--track-label);
  color: var(--color-ice);
  text-shadow: var(--glow-ice);
  margin-bottom: var(--space-4);
}
.timeline .step:last-child::before { color: var(--color-signal); text-shadow: var(--glow-signal); }
.timeline .step h4 {
  margin: 0 0 var(--space-2);
  font-weight: 500;
  font-size: var(--text-md);
  color: var(--color-ink);
  letter-spacing: -.01em;
}
.timeline .step p { margin: 0; color: var(--color-ink-2); font-size: var(--text-body-sm); font-weight: 300; line-height: 1.6; }
@media (max-width: 760px) {
  .timeline { grid-template-columns: 1fr; }
  .timeline .step { border-left: none; border-top: 1px solid var(--hair); }
  .timeline .step:first-child { border-top: none; }
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  position: relative;
  background: var(--color-bg-2);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: var(--space-16) 0;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(90% 140% at 50% 120%, rgba(255,106,61,.12), transparent 60%);
}
.cta-band .wrap { position: relative; z-index: 1; }
.cta-band h2 {
  color: var(--color-ink);
  font-weight: 200;
  font-size: var(--text-h2);
  letter-spacing: var(--track-tight);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}
.cta-band p { color: var(--color-ink-2); max-width: 560px; margin: 0 auto var(--space-8); font-size: var(--text-body); font-weight: 300; }
.cta-band .btn-primary { background: var(--color-signal); color: var(--color-bg); }

/* ============================================================
   Footer
   ============================================================ */
footer.site {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--hair);
  background: var(--color-bg);
}
footer.site .foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-6);
}
footer.site h5 {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  text-transform: uppercase;
  letter-spacing: var(--track-label);
  color: var(--color-ink-3);
  margin: 0 0 var(--space-4);
  font-weight: 500;
}
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li { margin-bottom: var(--space-2); }
footer.site a { color: var(--color-ink-2); font-size: var(--text-body-sm); }
footer.site a:hover { color: var(--color-ice); }
footer.site .fine {
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid var(--hair-2);
  color: var(--color-ink-3);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: .04em;
}
@media (max-width: 760px) {
  footer.site .foot-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   Contact form
   ============================================================ */
form.contact { max-width: 560px; }
form.contact label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--color-ink-3);
  margin: var(--space-5) 0 var(--space-2);
}
form.contact input, form.contact select, form.contact textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--hair);
  border-radius: 0;
  background: var(--color-panel);
  color: var(--color-ink);
  font-size: var(--text-body);
  font-family: var(--font-body);
}
form.contact input:focus, form.contact select:focus, form.contact textarea:focus {
  outline: none;
  border-color: var(--color-ice);
  box-shadow: 0 0 0 3px rgba(127,212,230,.15);
}
form.contact ::placeholder { color: var(--color-ink-3); }
form.contact button { margin-top: var(--space-6); border: none; cursor: pointer; }
form.contact button:disabled { opacity: 0.6; cursor: not-allowed; }
form.contact .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status {
  margin-top: var(--space-4);
  font-size: var(--text-body);
  color: var(--color-ink-2);
}
.form-status--success { color: var(--color-ice); }
.form-status--error { color: var(--color-signal); }

/* ============================================================
   Diagram frame — technical-drawing surround for schematic SVGs
   ============================================================ */
.diagram-frame {
  position: relative;
  margin: var(--space-10) 0 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: var(--space-8) 0 var(--space-6);
}
.diagram-frame .lbl-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--text-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--color-ink-3);
  margin-bottom: var(--space-4);
}
.diagram-frame .corner {
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--color-ink-3);
  opacity: .5;
}
.diagram-frame .corner.tl { top: -1px; left: -1px; border-top: 1px solid; border-left: 1px solid; }
.diagram-frame .corner.tr { top: -1px; right: -1px; border-top: 1px solid; border-right: 1px solid; }
.diagram-frame .corner.bl { bottom: -1px; left: -1px; border-bottom: 1px solid; border-left: 1px solid; }
.diagram-frame .corner.br { bottom: -1px; right: -1px; border-bottom: 1px solid; border-right: 1px solid; }
.diagram-frame .system-map {
  display: block;
  width: 100%;
  height: auto;
  max-height: 640px;
}
.diagram-frame .lbl-row-footer {
  margin-top: var(--space-3);
  margin-bottom: 0;
}
.diagram-frame .flow {
  stroke-dasharray: 5 7;
  animation: system-map-flow 1.6s linear infinite;
}
@keyframes system-map-flow {
  to { stroke-dashoffset: -24; }
}
@media (prefers-reduced-motion: reduce) {
  .diagram-frame .flow { animation: none; }
}

/* ============================================================
   Mobile
   ============================================================ */
@media (max-width: 900px) {
  .nav {
    flex-wrap: wrap;
    position: relative;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    order: 3;
    padding: 8px 0 4px;
    border-top: 1px solid var(--hair);
    margin-top: 12px;
  }
  .nav ul li { border-bottom: 1px solid var(--hair-2); }
  .nav ul li:last-child { border-bottom: none; }
  .nav ul a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 0;
  }
  .nav .cta {
    display: none;
    order: 4;
    width: 100%;
    text-align: center;
    justify-content: center;
    min-height: 44px;
    margin: 8px 0 4px;
  }
  .nav.is-open ul,
  .nav.is-open .cta { display: flex; }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 640px) {
  :root {
    --gutter: 20px;
    --section-y: 48px;
  }
  .hero { padding: 48px 0 32px; }
  .page-header { padding: 40px 0 28px; }
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn {
    text-align: center;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav .cta,
  .btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .split--contact > div:first-child { order: -1; }
  .split > div { padding: var(--space-8) var(--space-6); }
  footer.site .foot-grid { grid-template-columns: 1fr; }
  .table-scroll table { min-width: 520px; }
  .diagram-frame .lbl-row {
    flex-direction: column;
    gap: 4px;
  }
}