:root {
  --bg: #040814;
  --bg-2: #0a1230;
  --panel: rgba(9, 16, 42, 0.78);
  --panel-2: rgba(12, 23, 56, 0.92);
  --line: rgba(99, 168, 255, 0.22);
  --line-strong: rgba(99, 168, 255, 0.42);
  --text: #f7faff;
  --muted: rgba(247,250,255,0.72);
  --blue: #2f7dff;
  --blue-2: #61b1ff;
  --blue-soft: #9ed0ff;
  --yellow: #ffd34d;
  --shadow: 0 28px 70px rgba(0,0,0,.38);
  --shell: min(1260px, calc(100vw - 30px));
}
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: clip;
}
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at top, rgba(44, 110, 255, .20), transparent 30%),
    linear-gradient(180deg, #081130 0%, #050913 44%, #05070e 100%);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -4;
  opacity: .18;
  background:
    linear-gradient(115deg, transparent 0 14%, rgba(255,211,77,.16) 14% 14.45%, transparent 14.45% 100%),
    linear-gradient(65deg, transparent 0 72%, rgba(255,211,77,.12) 72% 72.35%, transparent 72.35% 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.shell { width: var(--shell); margin: 0 auto; }
.page-glow {
  position: fixed;
  width: 420px; height: 420px;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: -2;
}
.page-glow-a { left: -100px; top: -60px; background: rgba(47,125,255,.25); }
.page-glow-b { right: -80px; top: 18%; background: rgba(20,80,255,.18); }
.grid-noise {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 100%);
  opacity: .32;
  pointer-events: none;
  z-index: -3;
}
.construction-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}
.site-stripe {
  position: absolute;
  height: 18px;
  border: 1px solid rgba(255,211,77,.22);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,211,77,.34) 0 12px,
      rgba(255,211,77,.34) 12px 20px,
      rgba(5,10,26,.15) 20px 32px,
      rgba(5,10,26,.15) 32px 40px
    );
  opacity: .22;
  box-shadow: 0 0 20px rgba(255,211,77,.08);
}
.stripe-a {
  width: 320px;
  left: 4vw;
  top: 24vh;
  transform: rotate(12deg);
}
.stripe-b {
  width: 260px;
  right: 2vw;
  bottom: 18vh;
  transform: rotate(-10deg);
}
.crane-mark {
  position: absolute;
  width: 180px;
  height: 130px;
  opacity: .14;
}
.crane-a {
  right: 7vw;
  top: 18vh;
}
.crane-b {
  left: 4vw;
  bottom: 18vh;
  transform: scaleX(-1);
}
.crane-mark span {
  position: absolute;
  display: block;
  background: rgba(158,208,255,.72);
  box-shadow: 0 0 16px rgba(97,177,255,.16);
}
.crane-mark span:first-child {
  left: 22px;
  bottom: 0;
  width: 10px;
  height: 112px;
}
.crane-mark span:nth-child(2) {
  left: 18px;
  top: 16px;
  width: 136px;
  height: 8px;
  transform: skewY(-10deg);
  transform-origin: left center;
}
.crane-mark span:nth-child(3) {
  right: 34px;
  top: 24px;
  width: 2px;
  height: 54px;
}
.crane-mark span:nth-child(3)::after {
  content: "";
  position: absolute;
  left: -7px;
  bottom: -14px;
  width: 16px;
  height: 14px;
  border: 2px solid rgba(158,208,255,.78);
  border-top: 0;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  width: min(1280px, calc(100vw - 16px));
  margin: 10px auto 0;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(5, 10, 26, .82);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.site-header::before {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -1px;
  height: 4px;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,211,77,.72) 0 10px,
      rgba(255,211,77,.72) 10px 18px,
      rgba(47,125,255,.2) 18px 28px,
      rgba(47,125,255,.2) 28px 36px
    );
  opacity: .34;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  overflow: hidden;
  border-radius: 50%;
  border: 2px solid var(--blue-soft);
  box-shadow: 0 0 22px rgba(97,177,255,.16);
  background: #0864ff;
}
.brand-mark img {
  width: 56px; height: 56px;
  object-fit: contain;
}
.brand span { display: grid; line-height: 1; }
.brand > span:last-child {
  min-width: 0;
}
.brand strong {
  font-family: 'Anton', sans-serif;
  font-size: 1rem;
  letter-spacing: .06em;
}
.brand small {
  margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .64rem;
  letter-spacing: .14em;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.nav {
  justify-self: center;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.nav a {
  padding: 10px 12px;
  border: 1px solid transparent;
  font-family: 'JetBrains Mono', monospace;
  font-size: .74rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  transition: .18s ease;
}
.nav a:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(47,125,255,.09);
}
.header-cta, .btn, .copy-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  font-weight: 800;
  transition: .18s ease;
}
.header-cta:hover, .btn:hover, .copy-btn:hover { transform: translateY(-2px); }
.header-cta, .btn-primary, .copy-btn {
  background: linear-gradient(180deg, rgba(47,125,255,.28), rgba(20,72,200,.16));
  box-shadow: inset 0 0 18px rgba(97,177,255,.18), 0 0 20px rgba(47,125,255,.10);
}
.btn-secondary {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.12);
}
.menu-toggle {
  display: none;
  width: 46px; height: 46px;
  border: 1px solid var(--line-strong);
  background: rgba(47,125,255,.10);
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  margin: 4px auto;
  background: var(--text);
}
.hero {
  padding: 48px 0 26px;
  min-height: calc(100vh - 96px);
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(320px, 1fr);
  gap: 28px;
  align-items: center;
  position: relative;
}
.eyebrow, .kicker, .signal-strip span, .overlay-tag, .card-head, .ca-box span, .link-list, .system-list span, .hero-meta span, .about-card .index, .step-card span {
  font-family: 'JetBrains Mono', monospace;
}
.eyebrow, .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(47,125,255,.08);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 12px rgba(97,177,255,.9);
  flex: 0 0 auto;
}
.eyebrow-text {
  min-width: 0;
  flex: 1 1 0;
}
.hero h1 {
  margin: 16px 0 0;
  font-family: 'Anton', sans-serif;
  font-size: clamp(3.6rem, 7.2vw, 6.6rem);
  line-height: .98;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero h1 span { display: block; }
.hero h1 .hero-last-line {
  display: flex;
  gap: .12em;
  align-items: baseline;
  flex-wrap: nowrap;
}
.hero h1 .hero-last-line span {
  display: inline;
}
.hero h1 .big {
  color: var(--blue-soft);
  text-shadow: 0 0 26px rgba(97,177,255,.18), 4px 4px 0 rgba(47,125,255,.28);
}
.hero-lead {
  margin: 24px 0 0;
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1rem, 1.42vw, 1.14rem);
  line-height: 1.84;
}
.hero-actions, .links-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.btn,
.header-cta,
.copy-btn {
  text-align: center;
  white-space: nowrap;
}
.signal-strip {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.signal-strip span, .overlay-tag {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-meta {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}
.hero-meta article,
.about-card,
.system-panel,
.blueprint-card,
.build-card,
.step-card,
.links-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-meta article { padding: 16px; }
.hero-meta span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-meta strong {
  display: block;
  margin-top: 10px;
  font-family: 'Anton', sans-serif;
  font-size: 1.08rem;
  letter-spacing: .03em;
}
.hero-visual { min-width: 0; }
.hero-frame {
  position: relative;
  overflow: hidden;
  padding: clamp(10px, 1.8vw, 18px);
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 60px rgba(97,177,255,.12), 0 0 40px rgba(47,125,255,.08), var(--shadow);
  background:
    linear-gradient(180deg, rgba(47, 125, 255, .20), rgba(8, 20, 51, .95)),
    #081433;
}
.frame-rig {
  position: absolute;
  left: 18px;
  right: 18px;
  height: 9px;
  z-index: 2;
  opacity: .72;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,211,77,.78) 0 8px,
      rgba(255,211,77,.78) 8px 14px,
      rgba(4,8,20,.78) 14px 22px,
      rgba(4,8,20,.78) 22px 28px
    );
}
.frame-rig-top { top: 0; }
.frame-rig-bottom { bottom: 0; }
.hero-frame img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #0864ff;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.overlay-tag {
  position: absolute;
  backdrop-filter: blur(8px);
}
.top-left { top: 16px; left: 16px; }
.top-right { top: 16px; right: 16px; }
.bottom-left { bottom: 16px; left: 16px; }
.bottom-right { bottom: 16px; right: 16px; }
.about, .system, .blueprint, .build, .buy, .links {
  padding-top: 84px;
  position: relative;
}
.section-rail {
  position: absolute;
  top: 52px;
  left: 0;
  width: min(420px, 48vw);
  height: 22px;
  pointer-events: none;
  opacity: .5;
  border: 1px solid rgba(255,211,77,.28);
  background:
    linear-gradient(90deg, rgba(255,211,77,.18), transparent),
    repeating-linear-gradient(
      135deg,
      rgba(255,211,77,.52) 0 10px,
      rgba(255,211,77,.52) 10px 18px,
      rgba(8,20,51,.48) 18px 28px,
      rgba(8,20,51,.48) 28px 36px
    );
}
.section-rail-right {
  left: auto;
  right: 0;
}
.section-heading { max-width: 880px; }
.section-heading h2,
.system-copy h2,
.links-copy h2 {
  margin: 14px 0 0;
  font-family: 'Anton', sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: .93;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.about-grid, .build-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}
.steps {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}
.about-card, .build-card, .step-card { padding: 22px; }
.about-card,
.build-card,
.step-card,
.blueprint-card,
.system-panel,
.links-panel,
.footer-panel {
  position: relative;
}
.about-card::after,
.build-card::after,
.step-card::after,
.blueprint-card::after,
.links-panel::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 18px;
  opacity: .28;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  border: 2px solid var(--yellow);
  border-bottom: 4px solid var(--yellow);
  background: rgba(255,211,77,.14);
}
.about-card .index {
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid var(--line);
  color: var(--blue-soft);
  background: rgba(47,125,255,.08);
  font-size: .76rem;
}
.about-card h3, .build-card h3, .step-card h3 {
  margin: 16px 0 10px;
  font-size: 1.2rem;
}
.about-card p, .build-card p, .system-copy p, .step-card p, .links-copy p:last-child {
  color: var(--muted);
  line-height: 1.8;
}
.system-panel {
  margin-top: 26px;
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(300px, .8fr);
  gap: 28px;
  overflow: hidden;
}
.system-panel::before,
.blueprint-card-main::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .2;
  background:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 28px 28px;
}
.panel-crane {
  position: absolute;
  right: 24px;
  top: 20px;
  width: 150px;
  height: 100px;
  opacity: .18;
  pointer-events: none;
}
.panel-crane span {
  position: absolute;
  display: block;
  background: rgba(255,211,77,.72);
}
.panel-crane span:first-child {
  left: 14px;
  bottom: 0;
  width: 9px;
  height: 88px;
}
.panel-crane span:nth-child(2) {
  left: 10px;
  top: 12px;
  width: 122px;
  height: 7px;
  transform: skewY(-9deg);
}
.panel-crane span:nth-child(3) {
  right: 28px;
  top: 20px;
  width: 2px;
  height: 42px;
}
.system-copy h2 { font-size: clamp(2.6rem, 5vw, 5rem); }
.system-list {
  display: grid;
  gap: 12px;
}
.system-list div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(47,125,255,.06);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.system-list span {
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.system-list strong {
  font-family: 'Anton', sans-serif;
  font-size: 1rem;
  letter-spacing: .03em;
}
.blueprint-layout {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 16px;
}
.blueprint-card {
  overflow: hidden;
  background: var(--panel-2);
}
.blueprint-card-main { grid-row: span 2; }
.card-head {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: rgba(47,125,255,.08);
}
.identity-wrap {
  padding: 24px 24px 12px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: center;
}
.identity-wrap img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 22px;
  border: 2px solid var(--line-strong);
  background: #0864ff;
}
.identity-copy strong {
  display: block;
  font-family: 'Anton', sans-serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  letter-spacing: .04em;
}
.identity-copy small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
}
.spec-grid {
  padding: 10px 24px 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 12px;
}
.spec-grid div, .ca-box {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.spec-grid div { padding: 14px; }
.spec-grid span, .ca-box span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.spec-grid strong {
  display: block;
  margin-top: 8px;
  font-family: 'Anton', sans-serif;
  font-size: 1rem;
  letter-spacing: .03em;
}
.ca-box {
  margin: 20px;
  padding: 18px;
}
.ca-box strong {
  display: block;
  margin-top: 10px;
  font-size: .96rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.copy-btn { margin-top: 14px; width: 100%; }
.link-list {
  margin: 0;
  padding: 18px 20px 22px 36px;
}
.link-list li + li { margin-top: 12px; }
.link-list a {
  color: var(--blue-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.step-card span {
  display: inline-flex;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  background: rgba(47,125,255,.12);
  font-size: .84rem;
  font-weight: 700;
}
.links-panel {
  margin-top: 26px;
  padding: 28px;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 24px;
  align-items: center;
}
.site-footer {
  padding: 88px 0 34px;
}
.footer-panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(47,125,255,.10), rgba(255,255,255,.025)),
    rgba(5, 10, 26, .86);
  box-shadow: var(--shadow);
}
.footer-brand,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand {
  padding: 24px;
  border-bottom: 1px solid var(--line);
}
.footer-mark {
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  overflow: hidden;
  border-radius: 50%;
  border: 2px solid var(--blue-soft);
  background: #0864ff;
  box-shadow: 0 0 24px rgba(97,177,255,.18);
}
.footer-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.footer-brand {
  justify-content: flex-start;
}
.footer-brand strong {
  display: block;
  font-family: 'Anton', sans-serif;
  font-size: 1.45rem;
  letter-spacing: .04em;
}
.footer-brand p,
.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.75;
}
.footer-brand p {
  max-width: 620px;
  margin-top: 4px;
}
.footer-columns {
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr minmax(280px, 1.25fr);
  gap: 18px;
}
.footer-group {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.025);
}
.footer-group span {
  display: block;
  margin-bottom: 14px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--blue-soft);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.footer-group a,
.footer-ca strong {
  display: block;
  color: var(--text);
  font-size: .92rem;
  font-weight: 800;
}
.footer-group a + a {
  margin-top: 10px;
}
.footer-group a {
  color: rgba(247,250,255,.82);
  transition: color .18s ease, transform .18s ease;
}
.footer-group a:hover {
  color: var(--blue-soft);
  transform: translateX(3px);
}
.footer-ca strong {
  font-family: 'JetBrains Mono', monospace;
  color: rgba(247,250,255,.86);
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.footer-bottom {
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.16);
}
.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 800;
}
.footer-credit svg { width: 20px; height: 20px; fill: currentColor; }
.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  z-index: 50;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: rgba(5, 10, 26, .96);
  font-family: 'JetBrains Mono', monospace;
  font-size: .74rem;
  letter-spacing: .08em;
  transition: .2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .08s; }
.delay-2 { transition-delay: .16s; }
.delay-3 { transition-delay: .24s; }
@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .header-cta { display: none; }
  .menu-toggle { display: block; justify-self: end; }
  .nav {
    position: absolute;
    left: 0; right: 0; top: calc(100% + 10px);
    margin: 0 10px;
    padding: 12px;
    display: none;
    flex-direction: column;
    border: 1px solid var(--line);
    background: rgba(6, 10, 25, .98);
  }
  .site-header.nav-open .nav { display: flex; }
  .nav a { text-align: center; }
  .hero, .system-panel, .links-panel { grid-template-columns: 1fr; }
  .hero {
    align-items: start;
  }
  .hero-copy {
    max-width: 720px;
  }
  .hero-visual {
    max-width: 720px;
    width: 100%;
    justify-self: center;
  }
  .about-grid, .build-grid, .hero-meta, .blueprint-layout { grid-template-columns: 1fr 1fr; }
  .blueprint-card-main { grid-row: auto; grid-column: span 2; }
  .footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-ca {
    grid-column: span 2;
  }
}
@media (max-width: 760px) {
  :root { --shell: min(100vw - 32px, 1260px); }
  .construction-layer {
    opacity: .55;
  }
  .crane-mark {
    display: none;
  }
  .site-stripe {
    height: 12px;
  }
  .stripe-a {
    width: 170px;
    left: -36px;
    top: 28vh;
  }
  .stripe-b {
    width: 160px;
    right: -42px;
    bottom: 14vh;
  }
  .site-header {
    width: calc(100vw - 12px);
    margin-top: 6px;
    padding: 10px 12px;
    gap: 10px;
  }
  .brand {
    gap: 10px;
  }
  .brand-mark {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }
  .brand-mark img {
    width: 52px;
    height: 52px;
  }
  .brand strong {
    font-size: .95rem;
  }
  .brand small {
    font-size: .58rem;
    letter-spacing: .1em;
  }
  .menu-toggle {
    width: 44px;
    height: 44px;
  }
  .hero {
    padding-top: 28px;
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 24px;
  }
  .eyebrow {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    width: 100%;
    max-width: 100%;
    align-items: flex-start;
    font-size: .56rem;
    letter-spacing: .06em;
    line-height: 1.55;
  }
  .eyebrow-text {
    display: block;
    overflow-wrap: anywhere;
  }
  .hero-copy {
    width: min(100%, 310px);
    max-width: 310px;
    min-width: 0;
    padding-right: 0;
  }
  .hero-visual {
    max-width: 100%;
    overflow-x: hidden;
  }
  .hero h1 {
    font-size: clamp(2.45rem, 12.2vw, 3.45rem);
    line-height: .95;
  }
  .hero h1 .hero-last-line {
    display: block;
  }
  .hero h1 .hero-last-line span {
    display: block;
  }
  .hero-lead {
    max-width: 100%;
    font-size: .95rem;
    line-height: 1.72;
  }
  .hero-actions,
  .links-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    width: 100%;
  }
  .hero-actions .btn,
  .links-actions .btn {
    width: 100%;
    min-width: 0;
    padding-inline: 14px;
  }
  .signal-strip {
    display: grid;
    grid-template-columns: 1fr;
  }
  .signal-strip span {
    min-width: 0;
    text-align: center;
  }
  .hero-meta, .about-grid, .build-grid, .steps, .blueprint-layout, .spec-grid {
    grid-template-columns: 1fr;
  }
  .identity-wrap {
    grid-template-columns: 1fr;
  }
  .identity-wrap img {
    width: min(100%, 320px);
  }
  .blueprint-card-main { grid-column: auto; }
  .links-panel { grid-template-columns: 1fr; }
  .links-actions {
    width: 100%;
  }
  .section-rail {
    width: min(260px, 72vw);
    height: 16px;
    top: 58px;
  }
  .panel-crane {
    display: none;
  }
  .about-card::after,
  .build-card::after,
  .step-card::after,
  .blueprint-card::after,
  .links-panel::after {
    width: 28px;
    height: 15px;
    top: 12px;
    right: 12px;
  }
  .site-footer {
    padding-top: 64px;
  }
  .footer-brand,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
  .footer-columns {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .footer-brand,
  .footer-bottom {
    padding: 18px;
  }
  .footer-group {
    padding: 16px;
  }
  .overlay-tag {
    max-width: calc(50% - 22px);
    padding: 8px 9px;
    font-size: .56rem;
    letter-spacing: .08em;
    line-height: 1.35;
  }
  .top-right,
  .bottom-right {
    display: none;
  }
  .hero-frame img { aspect-ratio: 1 / 1.05; }
}
@media (max-width: 420px) {
  :root { --shell: min(100vw - 28px, 1260px); }
  .hero h1 {
    font-size: clamp(2.25rem, 11.6vw, 3rem);
  }
  .hero-lead {
    font-size: .94rem;
  }
  .section-heading h2,
  .system-copy h2,
  .links-copy h2 {
    font-size: clamp(2rem, 12vw, 3rem);
    line-height: .98;
  }
}
@media (max-width: 360px) {
  :root { --shell: min(100vw - 24px, 1260px); }
  .site-header {
    padding: 9px;
  }
  .brand-mark {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
  }
  .brand-mark img {
    width: 46px;
    height: 46px;
  }
  .brand strong {
    font-size: .82rem;
  }
  .brand small {
    font-size: .5rem;
    letter-spacing: .08em;
  }
  .menu-toggle {
    width: 40px;
    height: 40px;
  }
  .eyebrow {
    font-size: .5rem;
    padding: 7px 9px;
  }
  .hero-copy {
    width: min(100%, 276px);
    max-width: 276px;
  }
  .hero h1 {
    font-size: clamp(2rem, 11.4vw, 2.55rem);
  }
  .hero-lead {
    font-size: .9rem;
  }
  .hero-meta article,
  .about-card,
  .build-card,
  .step-card,
  .system-panel,
  .links-panel {
    padding: 16px;
  }
  .ca-box {
    margin: 14px;
    padding: 14px;
  }
  .footer-columns {
    padding: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
}