:root {
  color-scheme: dark;
  --bg: #07101e;
  --bg-deep: #030811;
  --surface: rgba(14, 27, 46, 0.78);
  --surface-solid: #0d1a2c;
  --surface-raised: #12233b;
  --surface-soft: #0a1627;
  --line: rgba(162, 190, 224, 0.16);
  --line-strong: rgba(162, 190, 224, 0.3);
  --text: #f5f8fc;
  --text-soft: #b7c5d8;
  --text-muted: #8292a9;
  --cyan: #5be7ff;
  --cyan-strong: #1bcff3;
  --violet: #9b8cff;
  --green: #63e6ad;
  --amber: #ffd166;
  --danger: #ff8f9c;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --max: 1180px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 15% -10%, rgba(51, 198, 235, 0.14), transparent 30rem),
    radial-gradient(circle at 90% 5%, rgba(129, 102, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 26rem, #081321 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 68%);
}

img, svg { max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  transform: translateY(-180%);
  background: var(--text);
  color: var(--bg);
  padding: .75rem 1rem;
  border-radius: 10px;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(3, 8, 17, 0.78);
  border-bottom: 1px solid rgba(162, 190, 224, 0.11);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; min-width: max-content; }
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  border: 1px solid rgba(91, 231, 255, .38);
  background: linear-gradient(145deg, rgba(91,231,255,.16), rgba(155,140,255,.13));
  box-shadow: inset 0 0 20px rgba(91,231,255,.07), 0 0 28px rgba(91,231,255,.08);
  color: var(--cyan);
  font-family: var(--mono);
  font-weight: 900;
  font-size: .9rem;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.08; }
.brand-copy strong { font-size: .92rem; letter-spacing: .01em; }
.brand-copy span { color: var(--text-muted); font-size: .69rem; letter-spacing: .12em; text-transform: uppercase; margin-top: .25rem; }

.site-nav { display: flex; align-items: center; gap: .25rem; }
.site-nav a {
  color: var(--text-soft);
  text-decoration: none;
  padding: .62rem .7rem;
  border-radius: 10px;
  font-size: .88rem;
  font-weight: 650;
  white-space: nowrap;
}
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current="page"] { color: var(--text); background: rgba(255,255,255,.055); }
.site-nav .nav-cta { color: #06111c; background: linear-gradient(135deg, var(--cyan), #80f0ff); margin-left: .35rem; padding-inline: .9rem; }
.site-nav .nav-cta:hover, .site-nav .nav-cta:focus-visible { color: #06111c; background: linear-gradient(135deg, #84efff, #b1f7ff); }
.nav-toggle { display: none; border: 1px solid var(--line); color: var(--text); background: var(--surface); border-radius: 10px; padding: .55rem .72rem; }

.hero { padding: clamp(5rem, 10vw, 8rem) 0 5rem; position: relative; overflow: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr); align-items: center; gap: clamp(2.5rem, 6vw, 5.5rem); }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; color: var(--cyan); font-family: var(--mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .13em; font-weight: 800; }
.eyebrow::before { content: ""; width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan)); }
.hero h1, .page-hero h1 {
  margin: 1.1rem 0 1.2rem;
  font-size: clamp(2.5rem, 5.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 700;
  max-width: 15ch;
  text-wrap: balance;
}
.hero h1 .gradient, .page-hero h1 .gradient { color: transparent; background: linear-gradient(100deg, #fff 12%, var(--cyan) 55%, var(--violet)); background-clip: text; -webkit-background-clip: text; }
.hero-lead, .page-lead { max-width: 650px; color: var(--text-soft); font-size: clamp(1.05rem, 2vw, 1.26rem); line-height: 1.72; }
.actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .45rem; min-height: 48px; padding: .72rem 1.05rem; border-radius: 12px; border: 1px solid var(--line); color: var(--text); text-decoration: none; font-weight: 800; font-size: .92rem; transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.button-primary { color: #06111c; border-color: transparent; background: linear-gradient(135deg, var(--cyan), #89efff); box-shadow: 0 16px 40px rgba(27, 207, 243, .13); }
.button-secondary { background: rgba(255,255,255,.035); }
.button-quiet { color: var(--cyan); border-color: transparent; padding-inline: .2rem; }
.trust-row { display: flex; flex-wrap: wrap; gap: .6rem 1.1rem; margin-top: 1.5rem; color: var(--text-muted); font-size: .78rem; font-family: var(--mono); }
.trust-row span::before { content: "•"; color: var(--green); margin-right: .45rem; }

.product-window { position: relative; min-height: 555px; }
.product-glow { position: absolute; inset: 10% 0; background: radial-gradient(circle, rgba(91,231,255,.13), transparent 62%); filter: blur(18px); }
.window {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: 1px solid rgba(148, 186, 226, .24);
  border-radius: 24px;
  background: linear-gradient(160deg, rgba(16, 32, 53, .96), rgba(5, 13, 24, .97));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.04);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}
.window-bar { height: 42px; display: flex; align-items: center; justify-content: space-between; padding: 0 .9rem; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.window-dots { display: flex; gap: .38rem; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.2); }
.window-title { color: var(--text-muted); font-size: .7rem; font-family: var(--mono); }
.canvas-grid { display: grid; grid-template-columns: 86px 1fr 190px; min-height: 460px; }
.canvas-nav { border-right: 1px solid var(--line); padding: 1rem .68rem; background: rgba(4,12,22,.58); }
.canvas-logo { color: var(--cyan); font-size: .68rem; font-family: var(--mono); font-weight: 900; margin-bottom: 1.15rem; }
.canvas-nav-item { height: 31px; border-radius: 8px; margin-bottom: .55rem; background: rgba(255,255,255,.035); position: relative; }
.canvas-nav-item.active { background: rgba(91,231,255,.11); border: 1px solid rgba(91,231,255,.19); }
.canvas-nav-item::before { content: ""; width: 8px; height: 8px; border-radius: 3px; background: var(--text-muted); position: absolute; left: .55rem; top: .68rem; }
.canvas-main { padding: 1.1rem; }
.canvas-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.canvas-heading strong { font-size: .9rem; }
.canvas-heading span { color: var(--green); font: .62rem var(--mono); }
.room-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.room-card { min-height: 102px; padding: .75rem; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.028); }
.room-card.wide { grid-column: 1 / -1; min-height: 128px; }
.room-card small { display: block; color: var(--text-muted); font-size: .58rem; text-transform: uppercase; letter-spacing: .08em; }
.room-card strong { display: block; font-size: .78rem; margin-top: .2rem; }
.device-line { display: flex; align-items: center; justify-content: space-between; margin-top: .65rem; font-size: .62rem; color: var(--text-soft); }
.toggle { width: 28px; height: 15px; border-radius: 999px; background: rgba(91,231,255,.24); border: 1px solid rgba(91,231,255,.38); position: relative; }
.toggle::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; right: 2px; top: 2px; background: var(--cyan); }
.climate { display: grid; grid-template-columns: 1fr auto; gap: .7rem; align-items: end; margin-top: .75rem; }
.temperature { font-size: 2.1rem; line-height: 1; letter-spacing: -.06em; }
.spark { height: 35px; width: 90px; border-bottom: 1px solid rgba(91,231,255,.3); position: relative; overflow: hidden; }
.spark::before { content: ""; position: absolute; inset: 4px -10px 3px; border: 2px solid var(--cyan); border-color: var(--cyan) transparent transparent transparent; border-radius: 50%; transform: rotate(-8deg); }
.helios-panel { border-left: 1px solid var(--line); padding: .9rem; background: rgba(6,14,25,.72); }
.helios-title { display: flex; align-items: center; justify-content: space-between; font-size: .72rem; font-weight: 800; }
.helios-title span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.chat-bubble { margin-top: .8rem; padding: .65rem; border-radius: 10px; font-size: .58rem; line-height: 1.5; color: var(--text-soft); background: rgba(255,255,255,.035); border: 1px solid var(--line); }
.chat-bubble.user { margin-left: 1rem; background: rgba(91,231,255,.08); color: #dcfaff; }
.proposal { margin-top: .75rem; padding: .65rem; border: 1px solid rgba(91,231,255,.22); border-radius: 10px; background: rgba(91,231,255,.055); }
.proposal strong { font-size: .61rem; }
.proposal p { margin: .35rem 0 .55rem; color: var(--text-muted); font-size: .54rem; line-height: 1.45; }
.proposal-actions { display: flex; gap: .35rem; }
.proposal-actions span { flex: 1; text-align: center; border-radius: 6px; padding: .3rem; font-size: .48rem; font-weight: 800; border: 1px solid var(--line); }
.proposal-actions .approve { background: var(--cyan); color: #05101a; border-color: transparent; }
.float-card { position: absolute; z-index: 4; right: -1.5rem; bottom: -1.5rem; width: 230px; padding: .9rem; border: 1px solid rgba(99,230,173,.26); border-radius: 16px; background: rgba(8, 23, 34, .94); box-shadow: 0 24px 60px rgba(0,0,0,.36); }
.float-card small { color: var(--green); font: .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.float-card strong { display: block; margin-top: .35rem; font-size: .82rem; }
.float-card p { margin: .35rem 0 0; color: var(--text-muted); font-size: .66rem; }

.logo-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.018); }
.logo-strip-inner { min-height: 82px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 1rem 2.3rem; color: var(--text-muted); }
.logo-strip-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; color: var(--text-soft); }
.protocol { font: .76rem var(--mono); }
.protocol::before { content: "◆"; color: var(--cyan); margin-right: .45rem; font-size: .55rem; }

section { padding: clamp(4.7rem, 9vw, 7.2rem) 0; }
.section-head { max-width: 760px; margin-bottom: 2.3rem; }
.section-head.center { text-align: center; margin-inline: auto; }
.kicker { color: var(--cyan); font: 800 .72rem var(--mono); letter-spacing: .13em; text-transform: uppercase; }
h2 { margin: .65rem 0 1rem; font-size: clamp(1.85rem, 3.4vw, 2.85rem); line-height: 1.12; letter-spacing: -.028em; font-weight: 700; text-wrap: balance; }
h3 { margin: 0 0 .65rem; font-size: 1.18rem; letter-spacing: -.015em; font-weight: 650; text-wrap: balance; }
p { margin: 0 0 1rem; }
.section-head p, .section-copy { color: var(--text-soft); font-size: 1.05rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.45rem; background: linear-gradient(160deg, rgba(18,35,59,.72), rgba(8,18,31,.72)); box-shadow: inset 0 1px rgba(255,255,255,.025); }
.card:hover { border-color: rgba(91,231,255,.25); }
.card-number { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 10px; color: var(--cyan); background: rgba(91,231,255,.08); border: 1px solid rgba(91,231,255,.16); font: 800 .7rem var(--mono); margin-bottom: 1.1rem; }
.card p { color: var(--text-muted); margin-bottom: 0; }
.card .tag { display: inline-flex; margin-top: 1rem; color: var(--text-soft); font: .68rem var(--mono); }
.card .tag::before { content: "→"; color: var(--cyan); margin-right: .45rem; }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.sticky-copy { position: sticky; top: 110px; }
.feature-stack { display: grid; gap: 1rem; }
.feature { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.022); }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: rgba(91,231,255,.07); color: var(--cyan); font: 900 .78rem var(--mono); border: 1px solid rgba(91,231,255,.15); }
.feature p { color: var(--text-muted); margin: 0; }

.workflow { counter-reset: workflow; display: grid; grid-template-columns: repeat(6, 1fr); gap: .7rem; }
.workflow-step { counter-increment: workflow; min-height: 190px; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.022); }
.workflow-step::before { content: "0" counter(workflow); display: block; color: var(--cyan); font: 800 .68rem var(--mono); margin-bottom: 2.8rem; }
.workflow-step strong { display: block; font-size: .9rem; margin-bottom: .45rem; }
.workflow-step p { color: var(--text-muted); font-size: .78rem; margin: 0; }

.band { border-block: 1px solid var(--line); background: linear-gradient(90deg, rgba(91,231,255,.04), rgba(155,140,255,.04)); }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.audience-card { padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: var(--radius-lg); min-height: 360px; display: flex; flex-direction: column; background: radial-gradient(circle at 85% 15%, rgba(91,231,255,.08), transparent 15rem), var(--surface-soft); }
.audience-card:nth-child(2) { background: radial-gradient(circle at 85% 15%, rgba(155,140,255,.09), transparent 15rem), var(--surface-soft); }
.audience-card h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); max-width: 16ch; }
.audience-card p { color: var(--text-soft); max-width: 52ch; }
.audience-card .button { margin-top: auto; align-self: flex-start; }

.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.trust-card { min-height: 145px; padding: 1rem; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.02); }
.trust-card strong { display: block; margin-bottom: .42rem; font-size: .88rem; }
.trust-card span { color: var(--text-muted); font-size: .76rem; }
.trust-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 11px rgba(99,230,173,.75); margin-bottom: 1.3rem; }

.status-board { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; }
.status-panel { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.022); }
.status-list { display: grid; gap: .75rem; margin-top: 1.2rem; }
.status-item { display: grid; grid-template-columns: 92px 1fr; gap: .8rem; align-items: start; border-top: 1px solid var(--line); padding-top: .75rem; }
.status-pill { display: inline-flex; justify-content: center; border-radius: 999px; padding: .25rem .5rem; font: 800 .58rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.status-pill.live { color: var(--green); background: rgba(99,230,173,.09); border: 1px solid rgba(99,230,173,.19); }
.status-pill.partial { color: var(--amber); background: rgba(255,209,102,.08); border: 1px solid rgba(255,209,102,.18); }
.status-pill.roadmap { color: var(--violet); background: rgba(155,140,255,.08); border: 1px solid rgba(155,140,255,.18); }
.status-item p { margin: 0; color: var(--text-muted); font-size: .82rem; }

.cta { padding: 0 0 clamp(5rem, 9vw, 8rem); }
.cta-box { position: relative; overflow: hidden; text-align: center; border: 1px solid rgba(91,231,255,.22); border-radius: 32px; padding: clamp(3rem, 8vw, 6rem) 1.5rem; background: radial-gradient(circle at 50% 120%, rgba(91,231,255,.18), transparent 25rem), linear-gradient(145deg, rgba(18,35,59,.9), rgba(5,14,26,.9)); }
.cta-box h2 { max-width: 22ch; margin-inline: auto; }
.cta-box p { color: var(--text-soft); max-width: 680px; margin-inline: auto; }
.cta-box .actions { justify-content: center; }

.page-hero { padding: clamp(5rem, 10vw, 8rem) 0 4.5rem; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 14ch; }
.page-hero .hero-grid { align-items: end; }
.page-aside { border-left: 1px solid var(--line); padding-left: 1.5rem; color: var(--text-muted); }
.page-aside strong { color: var(--text); display: block; margin-bottom: .5rem; }

.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; margin-top: -2rem; position: relative; z-index: 3; }
.metric { min-height: 120px; padding: 1rem; border: 1px solid var(--line); border-radius: 15px; background: rgba(10,22,39,.95); box-shadow: 0 16px 40px rgba(0,0,0,.16); }
.metric strong { display: block; font-size: 1.45rem; letter-spacing: -.04em; }
.metric span { color: var(--text-muted); font-size: .76rem; }

.callout { border-left: 3px solid var(--cyan); padding: 1.2rem 1.3rem; background: rgba(91,231,255,.045); border-radius: 0 14px 14px 0; color: var(--text-soft); }
.callout strong { color: var(--text); }

.check-list { display: grid; gap: .7rem; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 20px 1fr; gap: .65rem; color: var(--text-soft); }
.check-list li::before { content: "✓"; color: var(--green); font-weight: 900; }

.timeline { border-left: 1px solid var(--line-strong); margin-left: .55rem; padding-left: 2rem; display: grid; gap: 1.3rem; }
.timeline-item { position: relative; }
.timeline-item::before { content: ""; position: absolute; left: -2.38rem; top: .45rem; width: 10px; height: 10px; border-radius: 50%; background: var(--surface-solid); border: 2px solid var(--cyan); }
.timeline-item small { color: var(--cyan); font: .68rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.timeline-item p { color: var(--text-muted); }

.legal { padding: 5rem 0 7rem; }
.legal h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); letter-spacing: -.05em; line-height: 1; }
.legal h2 { font-size: 1.5rem; margin-top: 2.5rem; letter-spacing: -.02em; }
.legal p, .legal li { color: var(--text-soft); }
.legal .updated { color: var(--text-muted); font: .75rem var(--mono); }

.interest-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.interest-card { display: flex; flex-direction: column; min-height: 245px; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.022); }
.interest-card p { color: var(--text-muted); }
.interest-card .button { margin-top: auto; align-self: flex-start; }

.site-footer { border-top: 1px solid var(--line); background: rgba(2,7,14,.62); padding: 3.4rem 0 1.4rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 2rem; }
.footer-brand p { color: var(--text-muted); max-width: 470px; font-size: .86rem; margin-top: 1rem; }
.footer-title { font-size: .73rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-soft); font-weight: 800; margin-bottom: .9rem; }
.footer-links { display: grid; gap: .55rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: .84rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.25rem; color: var(--text-muted); font-size: .72rem; }

@media (max-width: 1060px) {
  .site-nav a:not(.nav-cta) { padding-inline: .48rem; font-size: .82rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .product-window { width: min(100%, 760px); margin-inline: auto; min-height: 520px; }
  .workflow { grid-template-columns: repeat(3,1fr); }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 850px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; display: none; flex-direction: column; align-items: stretch; right: 1rem; left: 1rem; top: 66px; padding: .75rem; border: 1px solid var(--line); border-radius: 15px; background: rgba(5,13,24,.98); box-shadow: var(--shadow); }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav .nav-cta { margin-left: 0; text-align: center; }
  .grid-3, .grid-2, .audience-grid, .status-board, .split, .footer-grid, .interest-grid { grid-template-columns: 1fr; }
  .sticky-copy { position: static; }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  .page-aside { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 1.25rem; }
}

@media (max-width: 640px) {
  .container, .narrow { width: min(calc(100% - 1.25rem), var(--max)); }
  .brand-copy span { display: none; }
  .hero { padding-top: 4.2rem; }
  .hero h1, .page-hero h1 { font-size: clamp(2.55rem, 14vw, 4rem); }
  .canvas-grid { grid-template-columns: 55px 1fr; }
  .helios-panel { position: absolute; right: .6rem; bottom: .6rem; width: 175px; border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 15px 40px rgba(0,0,0,.32); }
  .canvas-nav { padding-inline: .4rem; }
  .canvas-main { padding: .7rem; }
  .window { transform: none; }
  .float-card { display: none; }
  .product-window { min-height: 475px; }
  .room-cards { grid-template-columns: 1fr; }
  .room-card.wide { grid-column: auto; }
  .workflow { grid-template-columns: 1fr 1fr; }
  .workflow-step { min-height: 155px; }
  .workflow-step::before { margin-bottom: 1.4rem; }
  .trust-grid, .metric-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
  .logo-strip-inner { justify-content: flex-start; padding-block: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.check-list.brand-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: .55rem 2rem; }
.status-pill { align-self: flex-start; }

.helix-lockup { display: block; width: auto; height: clamp(56px, 7vw, 84px); max-width: 100%; margin: 0 0 1.4rem -0.2rem; }
.helix-mark { width: auto; height: 1.15em; vertical-align: -0.25em; margin-right: .45rem; }

.article .narrow { max-width: 720px; }
.article a.eyebrow { text-decoration: none; }
.article h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -.035em; line-height: 1.08; text-wrap: balance; }
.article p, .article li { font-size: 1.06rem; line-height: 1.75; }
.article ul { padding-left: 1.2rem; }
.article .related, .article .notes-list { list-style: none; padding: 0; display: grid; gap: .9rem; }
.article .notes-list li { padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft); }
.article a { color: var(--cyan); }
.article-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.5rem; }
.article-cta .button { color: inherit; }
.article-cta .button-primary { color: #04121d; }