/* ----------------------------------------------------------------------------
   SKYSENTINEL TECHNOLOGIES — design tokens
   Warm-neutral dark, no blue/green hue. Humanist sans + technical mono.
---------------------------------------------------------------------------- */

:root {
  /* palette: ink (default) — warm-neutral dark */
  --bg:        #0a0907;
  --bg-2:      #100e0c;
  --surface:   #15130f;
  --card:      #1c1a15;
  --hairline:  #25221d;
  --border:    #2f2c26;
  --fg:        #f1ede3;
  --fg-2:      #a09b8f;
  --fg-3:      #8a857b;
  --fg-4:      #423f3a;
  --accent:    #ffffff;
  --accent-dim:#e6e0d3;
  --warning:   #e8c477;
  --danger:    #d97757;

  /* type */
  --font-sans: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-display: "Manrope", ui-sans-serif, system-ui, sans-serif;

  /* density */
  --section-pad: 160px;
  --gutter: 48px;
  --maxw: 1440px;
}

/* alternate palettes */
[data-palette="onyx"] {
  --bg:        #060606;
  --bg-2:      #0c0c0c;
  --surface:   #121212;
  --card:      #1a1a1a;
  --hairline:  #232323;
  --border:    #2c2c2c;
  --fg:        #ededed;
  --fg-2:      #999999;
  --fg-3:      #858585;
  --fg-4:      #3d3d3d;
}
[data-palette="iron"] {
  --bg:        #0e0f10;
  --bg-2:      #15161a;
  --surface:   #1a1c1f;
  --card:      #22252a;
  --hairline:  #2d3035;
  --border:    #383c42;
  --fg:        #eaeaea;
  --fg-2:      #9a9da3;
  --fg-3:      #888d93;
  --fg-4:      #3f4247;
}

/* density variants */
[data-density="compact"] {
  --section-pad: 96px;
  --gutter: 32px;
}
[data-density="dense"] {
  --section-pad: 64px;
  --gutter: 24px;
}

/* typeface variants */
[data-typeface="jakarta"] {
  --font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}
[data-typeface="editorial"] {
  --font-sans: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --font-display: "Instrument Serif", "Manrope", serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--fg); }
body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-feature-settings: "ss01", "ss02", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  line-height: 1.5;
  letter-spacing: -0.005em;
  cursor: none;
}
body.no-crosshair { cursor: auto; }
body.no-crosshair * { cursor: inherit; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--fg); color: var(--bg); }

/* ---------- keyboard focus (accessibility) ---------- */
:where(a, button, input, select, textarea, [role="link"], [role="button"], [tabindex]):focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
  border-radius: 2px;
}
.nav__links a:focus-visible { outline-offset: 2px; }
.contact input:focus-visible,
.contact textarea:focus-visible,
.contact select:focus-visible { outline-offset: 0; }

/* ---------- brand: StrikeIris mark (R2-08) ---------- */
.si-root .si-skew,
.si-root .si-slit {
  transform-box: view-box;
  transform-origin: 50% 50%;
}
.si-root .si-skew {
  transform: skewX(-10deg);
  transition: transform 0.4s cubic-bezier(0.7, 0, 0.2, 1) 0.05s;
}
.si-root.on .si-skew {
  transform: skewX(0deg);
  transition: transform 0.35s cubic-bezier(0.7, 0, 0.2, 1);
}
.si-root .si-path {
  d: path("M 70 24 C 56.7 24 43.3 24 30 24 C 30 32.7 30 41.3 30 50 C 43.3 50 56.7 50 70 50 C 70 58.7 70 67.3 70 76 C 56.7 76 43.3 76 30 76");
  transition: d 0.42s cubic-bezier(0.7, 0, 0.2, 1) 0.05s;
}
.si-root.on .si-path {
  d: path("M 65 24.02 C 76.26 30.52 82.04 43.53 79.34 56.24 C 76.64 68.95 66.08 78.47 53.14 79.84 C 40.2 81.21 27.88 74.08 22.59 62.2 C 17.3 50.32 20.27 36.41 29.93 27.71 C 39.59 19.01 53.74 17.52 65 24.02");
  transition: d 0.46s cubic-bezier(0.65, 0, 0.2, 1) 0.04s;
}
.si-root .si-slit {
  opacity: 0;
  transform: scaleY(0.5);
  transition: transform 0.24s cubic-bezier(0.7, 0, 0.15, 1),
              opacity 0.1s ease 0.02s;
}
.si-root.on .si-slit {
  opacity: 1;
  transform: scaleY(1);
  transition: transform 0.28s cubic-bezier(0.7, 0, 0.15, 1) 0.3s,
              opacity 0.12s ease 0.32s;
}
@media (prefers-reduced-motion: reduce) {
  .si-root .si-skew, .si-root .si-path, .si-root .si-slit {
    transition-duration: 0.01s !important;
    transition-delay: 0s !important;
  }
}

/* paired wordmark — hard tracked caps */
.sw-word {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.34em;
  margin-right: -0.34em; /* optical: swallow trailing tracking */
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
}

/* ---------- type ---------- */
.mono { font-family: var(--font-mono); font-weight: 400; letter-spacing: 0; }
.label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  font-weight: 400;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 0.92;
}
[data-typeface="editorial"] .display { font-weight: 400; font-style: italic; letter-spacing: -0.02em; }

h1, h2, h3, h4 { font-weight: 400; letter-spacing: -0.02em; }

/* ---------- layout ---------- */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-pad) 0; position: relative; }
.section--top { padding-top: 0; }
.divider { height: 1px; background: var(--hairline); width: 100%; }
.divider-v { width: 1px; background: var(--hairline); }

/* section header — big display title with index rail above */
.s-head {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--hairline);
}
.s-head__rail {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.s-head__idx {
  color: var(--fg);
  background: rgba(241, 237, 227, 0.06);
  padding: 6px 10px;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  font-variant-numeric: tabular-nums;
}
.s-head__rule {
  flex: 0 0 64px;
  height: 1px;
  background: var(--fg-3);
}
.s-head__meta { color: var(--fg-3); margin-left: auto; }

.s-head__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 88px);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 0.98;
  color: var(--fg);
  margin: 0;
  max-width: 18ch;
  text-wrap: pretty;
}
.s-head__lead { display: inline; }
.s-head__sub {
  color: var(--fg-2);
  font-size: 0.5em;
  font-weight: 300;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.s-head__sub em {
  font-style: italic;
  color: var(--fg);
}

@media (max-width: 720px) {
  .s-head__sub { display: block; white-space: normal; font-size: 0.55em; margin-top: 6px; }
  .s-head__title { font-size: clamp(34px, 10vw, 56px); }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 13px;
  letter-spacing: 0.02em;
  background: transparent;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
  position: relative;
}
.btn:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--fg); transition: background .25s; }
.btn:hover .dot { background: var(--bg); }
.btn--primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn--primary:hover { background: transparent; color: var(--fg); }
.btn--ghost { border-color: transparent; padding-left: 0; }
.btn--ghost:hover { background: transparent; color: var(--fg); border-color: transparent; }
.btn--ghost:hover .arrow { transform: translateX(4px); }

/* Nav "Get in touch" — subtle outline that fits the dark chrome,
   rather than a stark white block */
.nav__cta-btn {
  background: transparent;
  color: var(--fg);
  border-color: var(--hairline);
  padding: 10px 16px;
  font-size: 12px;
  gap: 10px;
}
.nav__cta-btn:hover {
  background: rgba(241, 237, 227, 0.06);
  color: var(--fg);
  border-color: rgba(241, 237, 227, 0.35);
}
.nav__cta-btn:hover .arrow { transform: translateX(3px); }
.nav__cta-btn .arrow { color: var(--fg-3); }
.nav__cta-btn:hover .arrow { color: var(--fg); }
.arrow { display: inline-block; transition: transform .25s ease; }

/* ---------- crosshair cursor ---------- */
.crosshair {
  position: fixed;
  top: 0; left: 0;
  width: 24px; height: 24px;
  margin-left: -12px; margin-top: -12px;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  will-change: transform;
}
.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: #fff;
}
.crosshair::before { left: 11px; top: 0; width: 1px; height: 24px; }
.crosshair::after { top: 11px; left: 0; height: 1px; width: 24px; }
.crosshair .ring {
  position: absolute;
  inset: 5px;
  border: 1px solid #fff;
  border-radius: 50%;
  transition: transform .2s ease, inset .2s ease;
}
.crosshair.hover .ring { inset: 0; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  transition: background .3s ease, backdrop-filter .3s ease;
}
.nav.solid { background: rgba(10, 9, 7, 0.78); backdrop-filter: blur(14px); }
/* brand lockups must shrink the (longer) wordmark rather than overflow */
.hero__brand, .hsc__brand { max-width: 96vw; }
.hero__brand-mark, .hsc__brand-mark { flex-shrink: 0; }
.hero__brand-word, .hsc__brand-word { min-width: max-content; }
.hero__brand-word svg, .hsc__brand-word svg, .nav__brand-name svg { max-width: 100%; height: auto; }

.nav__brand { display: flex; align-items: center; gap: 12px; font-weight: 500; letter-spacing: -0.01em; cursor: pointer; width: max-content; }
.nav__brand-mark { display: inline-flex; color: var(--fg); transition: transform 0.5s cubic-bezier(.22,.61,.36,1); }
.nav__brand-name { display: inline-flex; align-items: center; color: var(--fg); transition: opacity 0.3s ease; }
.nav__brand-name .sw-word { margin-right: 0; } /* cancel optical -tracking so lockbox covers full name */
.nav__brand:hover .nav__brand-mark { transform: rotate(-8deg) scale(1.08); }
.nav__brand:hover .nav__brand-name { opacity: 0.85; }
.nav__brand-meta { color: var(--fg-3); font-size: 11px; margin-left: 4px; }
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.6); opacity: 0.5; }
}

.nav__links {
  display: flex;
  gap: 4px;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 4px;
  background: rgba(15, 13, 10, 0.6);
  backdrop-filter: blur(10px);
}
.nav__links a {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--fg-2);
  border-radius: 999px;
  transition: color .25s, background .25s;
  white-space: nowrap;
}
.nav__links a:hover { color: var(--fg); }
.nav__links a.active { color: var(--fg); background: var(--card); }
.nav__cta { justify-self: end; display: flex; gap: 12px; align-items: center; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px var(--gutter) 100px;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg) 80%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}
.hero__pill { align-self: center; }

/* ---------- hero brand lockup ---------- */
.hero__brand {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 18px 28px;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  color: var(--fg);
  position: relative;
  border-radius: 4px;
  transition: transform 0.5s cubic-bezier(.22,.61,.36,1),
              filter 0.4s ease;
  outline: none;
}
.hero__brand:hover { transform: translateY(-2px); }
.hero__brand:focus-visible {
  box-shadow: 0 0 0 1px var(--hairline), 0 0 0 4px rgba(241,237,227,0.06);
}
.hero__brand.is-hot { filter: drop-shadow(0 0 24px rgba(241,237,227,0.18)); }

.hero__brand-mark {
  display: inline-flex;
  transition: transform 0.6s cubic-bezier(.22,.61,.36,1);
}
.hero__brand.is-hot .hero__brand-mark { transform: rotate(-4deg) scale(1.04); }

.hero__brand-word {
  display: inline-flex;
  position: relative;
}
.hero__brand-word::after {
  content: "";
  position: absolute;
  left: 0; right: 12%;
  bottom: -8px;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s cubic-bezier(.22,.61,.36,1);
}
.hero__brand:hover .hero__brand-word::after { transform: scaleX(1); }

.hero__brand-hint {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  opacity: 0;
  transition: opacity 0.25s ease;
  white-space: nowrap;
  pointer-events: none;
}
.hero__brand:hover .hero__brand-hint { opacity: 1; }

/* Responsive sizing for the lockup */
@media (max-width: 900px) {
  .hero__brand { flex-direction: column; gap: 18px; }
}

.hero__corner {
  position: absolute;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}
.hero__corner--tl { top: 96px; left: var(--gutter); }
.hero__corner--tr { top: 96px; right: var(--gutter); text-align: right; }
.hero__corner--bl { bottom: 80px; left: var(--gutter); }
.hero__corner--br { bottom: 80px; right: var(--gutter); text-align: right; }

/* ---------- tagline (small, supporting) ---------- */
.hero__caption {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 36px;
}
.hero__caption-rule {
  display: inline-block;
  width: clamp(40px, 10vw, 120px);
  height: 1px;
  background: var(--hairline);
}
.hero__tag {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 300;
  letter-spacing: -0.005em;
  line-height: 1.2;
  color: var(--fg-2);
  position: relative;
  margin: 0;
}
.hero__tag .em { font-style: italic; font-weight: 400; color: var(--fg); }
[data-typeface="editorial"] .hero__tag { font-style: italic; font-weight: 400; letter-spacing: 0; }
.hero__sub {
  margin-top: 4px;
  max-width: 560px;
  color: var(--fg-2);
  font-size: 17px;
  line-height: 1.55;
  text-align: center;
}
.hero__meta-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 32px;
  margin-top: 40px;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  width: 100%;
  max-width: 1080px;
  text-align: left;
}
.hero__meta-cell .k { color: var(--fg-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 6px; }
.hero__meta-cell .v { color: var(--fg); font-size: 14px; letter-spacing: -0.01em; }

@media (max-width: 720px) {
  .hero__meta-row { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- marquee strip ---------- */
.strip {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 24px 0;
  overflow: hidden;
  position: relative;
}
.strip__track {
  display: flex;
  gap: 80px;
  animation: scroll 50s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.strip__item {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 80px;
}
.strip__item .dot { width: 8px; height: 8px; background: var(--fg-3); border-radius: 50%; }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- capabilities ---------- */
.caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline);
}
.cap {
  padding: 40px 32px 48px;
  border-right: 1px solid var(--hairline);
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  transition: background .35s ease;
  cursor: none;
}
.cap:last-child { border-right: none; }
.cap:hover { background: var(--bg-2); }
.cap .num { color: var(--fg-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; margin-bottom: 32px; }
.cap .viz {
  width: 100%; height: 120px;
  margin-bottom: 32px;
  position: relative;
}
.cap h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  line-height: 1.15;
}
.cap p { color: var(--fg-2); font-size: 14px; line-height: 1.55; flex: 1; }
.cap .more {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
}
.cap:hover .more { color: var(--fg); }

/* ---------- product showcase (Sanjay / Asimov) ---------- */
.product {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.product__meta { position: sticky; top: 120px; padding-top: 8px; }
.product__id {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.product__id::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--fg);
  border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}
.product__name {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 104px);
  font-weight: 200;
  letter-spacing: -0.045em;
  line-height: 0.9;
  margin-bottom: 32px;
}
.product__name .em { font-style: italic; }
.product__lead {
  color: var(--fg-2);
  font-size: 17px;
  line-height: 1.6;
  max-width: 460px;
  margin-bottom: 40px;
}
.product__bullets {
  list-style: none;
  border-top: 1px solid var(--hairline);
}
.product__bullets li {
  padding: 20px 0;
  border-bottom: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 16px;
  align-items: start;
}
.product__bullets .b-num { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.08em; padding-top: 4px; }
.product__bullets .b-body strong { font-weight: 500; color: var(--fg); display: block; margin-bottom: 4px; font-size: 15px; }
.product__bullets .b-body span { color: var(--fg-2); font-size: 14px; line-height: 1.5; }

.product__viz {
  background: var(--bg-2);
  border: 1px solid var(--hairline);
  height: 640px;
  position: relative;
  overflow: hidden;
}
.product__viz-chrome {
  position: absolute; inset: 0;
  pointer-events: none;
  z-index: 3;
}
.product__viz-chrome .chrome-tl,
.product__viz-chrome .chrome-tr,
.product__viz-chrome .chrome-bl,
.product__viz-chrome .chrome-br {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 14px 16px;
}
.product__viz-chrome .chrome-tl { top: 0; left: 0; }
.product__viz-chrome .chrome-tr { top: 0; right: 0; text-align: right; }
.product__viz-chrome .chrome-bl { bottom: 56px; left: 0; }
.product__viz-chrome .chrome-br { bottom: 56px; right: 0; text-align: right; }
.product__viz-controls {
  position: absolute;
  bottom: 14px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px;
  z-index: 4;
}
.product__viz-controls button {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  background: rgba(10, 9, 7, 0.6);
  backdrop-filter: blur(8px);
  transition: color .2s, border-color .2s, background .2s;
}
.product__viz-controls button:hover,
.product__viz-controls button.active {
  color: var(--fg);
  border-color: var(--fg);
  background: var(--bg);
}

/* ---------- specs marquee ---------- */
.specs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.spec {
  padding: 56px 24px;
  border-right: 1px solid var(--hairline);
  position: relative;
  text-align: left;
}
.spec:last-child { border-right: none; }
.spec .val {
  font-family: var(--font-display);
  font-size: clamp(56px, 6vw, 88px);
  font-weight: 200;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  color: var(--fg);
}
.spec .val .em { font-style: italic; }
.spec .k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 6px;
}
.spec .d { color: var(--fg-3); font-size: 13px; line-height: 1.4; }

/* ---------- partners ---------- */
.partners {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--hairline);
}
.partner {
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  aspect-ratio: 3/2;
  display: grid;
  place-items: center;
  position: relative;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 16px;
  transition: color .25s, background .25s;
}
.partner:hover { color: var(--fg); background: var(--bg-2); }
.partner .ph-mark {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 9px;
  color: var(--fg-4);
}

/* ---------- manifesto ---------- */
.manifesto {
  padding: var(--section-pad) 0;
  position: relative;
}
.manifesto__quote {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 1100px;
  margin: 0 auto;
}
.manifesto__quote .em { font-style: italic; }
.manifesto__quote .dim { color: var(--fg-3); }
.manifesto__attr {
  margin-top: 56px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-3);
}

/* ---------- contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact__lead {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 200;
  letter-spacing: -0.035em;
  line-height: 0.95;
}
.contact__lead .em { font-style: italic; }
.contact form { display: flex; flex-direction: column; gap: 20px; }
.contact .field {
  display: flex; flex-direction: column; gap: 6px;
}
.contact label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.contact input, .contact textarea, .contact select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  padding: 12px 0;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--fg);
  outline: none;
  transition: border-color .25s;
}
.contact input:focus, .contact textarea:focus, .contact select:focus { border-color: var(--fg); }
.contact textarea { resize: vertical; min-height: 80px; }
.contact .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact .submit { margin-top: 16px; align-self: flex-start; }

/* ---------- footer ---------- */
footer.foot {
  border-top: 1px solid var(--hairline);
  padding: 80px var(--gutter) 32px;
}
.foot__lockup {
  margin: 80px 0 64px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.foot__lockup-mark { display: flex; color: var(--fg); }
.foot__lockup-wordmark {
  display: flex;
  align-items: center;
  color: var(--fg);
  min-width: 0;
  flex: 1;
  overflow: hidden;
  /* size the wordmark against this column, not the viewport */
  container-type: inline-size;
}
.foot__lockup-wordmark .sw-word {
  /* SKYSENTINEL at 0.34em tracking measures ≈10.2× its font-size */
  font-size: clamp(16px, 9.2cqw, 64px);
}
.foot__lockup-wordmark svg { width: 100%; height: auto; max-height: 180px; }
.foot__lockup-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}
@media (max-width: 880px) {
  .foot__lockup {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 24px;
  }
  .foot__lockup-meta { text-align: left; }
}
.foot__cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--hairline);
}
.foot__col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 20px;
  font-weight: 400;
}
.foot__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.foot__col a { color: var(--fg); font-size: 15px; transition: color .2s; }
.foot__col a:hover { color: var(--fg-2); }
.foot__col p { color: var(--fg-2); font-size: 14px; line-height: 1.5; }
.foot__bottom {
  padding-top: 32px;
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-3); letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---------- scrollytelling hero (HeroScrolly) ---------- */
.hsc {
  position: relative;
  width: 100%;
  height: 500vh;
  background: var(--bg);
}
.hsc__pin {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  color: var(--fg);
}
.hsc__bg { position: absolute; inset: 0; z-index: 0; }
.hsc__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.28;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
}
.hsc__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg) 80%);
  pointer-events: none;
}
.hsc__brand {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  width: max-content;
  color: var(--fg);
  z-index: 6;
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  appearance: none;
  background: transparent;
  border: 0;
  padding: 18px 28px;
  margin: 0;
  cursor: pointer;
  border-radius: 4px;
  transition: filter 0.4s ease;
  outline: none;
}
.hsc__brand:focus-visible {
  box-shadow: 0 0 0 1px var(--hairline), 0 0 0 4px rgba(241,237,227,0.06);
}
.hsc__brand.is-hot { filter: drop-shadow(0 0 24px rgba(241,237,227,0.18)); }
.hsc__brand-mark {
  display: inline-flex;
  transition: transform 0.6s cubic-bezier(.22,.61,.36,1);
}
.hsc__brand.is-hot .hsc__brand-mark { transform: rotate(-4deg) scale(1.04); }
.hsc__brand-word {
  display: inline-flex;
  position: relative;
}
.hsc__brand-word::after {
  content: "";
  position: absolute;
  left: 0; right: 12%;
  bottom: -8px;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s cubic-bezier(.22,.61,.36,1);
}
.hsc__brand:hover .hsc__brand-word::after { transform: scaleX(1); }
@media (max-width: 900px) {
  .hsc__brand { flex-direction: column; gap: 18px; }
}
.hsc__caption {
  position: absolute;
  left: 50%;
  top: calc(50% + 130px);
  transform: translate(-50%, 0);
  display: flex;
  align-items: center;
  gap: 18px;
  z-index: 6;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 300;
  color: var(--fg-2);
  letter-spacing: -0.005em;
  will-change: transform, opacity;
  pointer-events: none;
  white-space: nowrap;
}
.hsc__caption-rule {
  display: inline-block;
  width: clamp(40px, 8vw, 100px);
  height: 1px;
  background: var(--hairline);
}
.hsc__caption-text em { font-style: italic; color: var(--fg); font-weight: 400; }
.hsc__drones {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  color: var(--fg);
  pointer-events: none;
}
.hsc__panel {
  position: absolute;
  top: 62%;
  width: clamp(220px, 24vw, 320px);
  transform: translate(-50%, -50%);
  z-index: 7;
  text-align: center;
  pointer-events: none;
  will-change: transform, opacity;
}
.hsc__panel--L { left: 22%; }
.hsc__panel--R { left: 78%; }
.hsc__panel-eyebrow {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 10px;
}
.hsc__panel-name {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 12px;
}
[data-typeface="editorial"] .hsc__panel-name { font-style: italic; font-weight: 400; }
.hsc__panel-desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 32ch;
  margin: 0 auto;
}
.hsc__outro {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 8;
  pointer-events: none;
  will-change: transform, opacity;
  max-width: min(90vw, 760px);
}
.hsc__outro-tag {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: block;
  margin-bottom: 18px;
}
.hsc__outro-line {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 64px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin: 0;
}
[data-typeface="editorial"] .hsc__outro-line { font-style: italic; font-weight: 400; }
.hsc__hint {
  position: absolute;
  left: 50%;
  bottom: 5vh;
  transform: translateX(-50%);
  z-index: 8;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-3);
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.hsc__hint-arrow {
  font-size: 16px;
  animation: hsc-bob 1.6s ease-in-out infinite;
}
@keyframes hsc-bob {
  0%, 100% { transform: translateY(0); opacity: 0.5; }
  50%      { transform: translateY(4px); opacity: 1; }
}
.hsc__act-marker {
  position: absolute;
  top: 96px;
  right: var(--gutter);
  z-index: 8;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-3);
  pointer-events: none;
}
.hsc__act-bar {
  display: inline-block;
  width: 120px;
  height: 1px;
  background: var(--hairline);
  position: relative;
  overflow: hidden;
}
.hsc__act-bar > span {
  position: absolute;
  inset: 0;
  background: var(--fg);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.15s ease-out;
}
@media (max-width: 720px) {
  .hsc__panel--L { left: 18%; }
  .hsc__panel--R { left: 82%; }
  .hsc__caption-text { font-size: 14px; }
  .hsc__act-marker { display: none; }
}

/* ---------- inner page heros ---------- */
.page-hero {
  padding: 180px var(--gutter) 80px;
  border-bottom: 1px solid var(--hairline);
}
.page-hero .eyebrow { margin-bottom: 32px; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(72px, 10vw, 168px);
  font-weight: 200;
  letter-spacing: -0.045em;
  line-height: 0.88;
  margin-bottom: 32px;
}
.page-hero h1 .em { font-style: italic; }
.page-hero .sub {
  max-width: 640px;
  font-size: 18px;
  color: var(--fg-2);
  line-height: 1.55;
}

/* ---------- about / origin ---------- */
.origin {
  padding: 64px 0 var(--section-pad);
  position: relative;
}
.origin__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
  align-items: start;
}
.origin__map {
  background: var(--bg-2);
  border: 1px solid var(--hairline);
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
}
.origin__body h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 32px;
}
.origin__body h2 .em { font-style: italic; }
.origin__body p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 640px;
  margin-bottom: 20px;
}

/* responsive */
@media (max-width: 1100px) {
  :root { --section-pad: 96px; --gutter: 32px; }
  .caps { grid-template-columns: repeat(2, 1fr); }
  .cap:nth-child(2) { border-right: none; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .spec:nth-child(2) { border-right: none; }
  .partners { grid-template-columns: repeat(3, 1fr); }
  .product { grid-template-columns: 1fr; gap: 48px; }
  .product__meta { position: static; }
  .product__viz { height: 480px; }
  .contact { grid-template-columns: 1fr; gap: 48px; }
  .foot__cols { grid-template-columns: 1fr 1fr; }
  .origin__grid { grid-template-columns: 1fr; }
  .hero__meta-row { grid-template-columns: repeat(2, 1fr); }
  /* Hide decorative hero corner annotations — they collide with the hero pill / sub at narrower widths */
  .hero__corner { display: none; }
  /* Nav: drop the inline mono captions and force the CTA + brand to one line */
  .nav { grid-template-columns: auto 1fr auto; gap: 16px; }
  .nav__brand { white-space: nowrap; }
  .nav__brand .mono,
  .nav__cta .mono { display: none; }
  .nav__cta .btn { padding: 12px 16px; font-size: 12px; white-space: nowrap; }
  .foot__cols { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 880px) {
  .nav__links { display: none; }
}
@media (max-width: 640px) {
  :root { --section-pad: 64px; --gutter: 20px; }
  .caps { grid-template-columns: 1fr; }
  .cap { border-right: none; border-bottom: 1px solid var(--hairline); }
  .specs { grid-template-columns: 1fr; }
  .spec { border-right: none; border-bottom: 1px solid var(--hairline); }
  .partners { grid-template-columns: repeat(2, 1fr); }
  .foot__cols { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__brand span:not(.mark) { font-size: 14px; }
  body { cursor: auto; }
  body * { cursor: auto !important; }
  .crosshair { display: none; }
}

/* Tighter inner page hero on small viewports so the huge display headlines don't overrun */
@media (max-width: 880px) {
  .page-hero { padding-top: 140px; }
  .product__viz { height: 420px; }
  .partners { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- utilities ---------- */
.fadein { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.fadein.in { opacity: 1; transform: none; }

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.tag-pill .dot { width: 5px; height: 5px; background: var(--fg); border-radius: 50%; animation: pulse 2.8s ease-in-out infinite; }

.live-bar {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-2);
}
.live-bar::before {
  content: ""; width: 6px; height: 6px;
  background: var(--fg); border-radius: 50%;
  animation: pulse 1.4s ease-in-out infinite;
}

/* ---------- TechScrolly (Heimdall-style pinned product page) ---------- */
.tsc {
  position: relative;
  width: 100%;
  height: 600vh;
  background: var(--bg);
}
.tsc__pin {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  color: var(--fg);
}
.tsc__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.tsc__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.22;
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
}
.tsc__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, var(--bg) 80%);
}
.tsc__orbit {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  color: var(--fg);
}

/* Central mark — pinned at viewport center, rotates with scroll */
.tsc__mark {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  appearance: none;
  background: transparent;
  border: 0;
  padding: 32px;
  cursor: pointer;
  border-radius: 50%;
  color: var(--fg);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  transition: filter 0.4s ease;
  outline: none;
}
.tsc__mark.is-hot { filter: drop-shadow(0 0 32px rgba(241,237,227,0.22)); }
.tsc__mark:focus-visible {
  box-shadow: 0 0 0 1px var(--hairline), 0 0 0 4px rgba(241,237,227,0.06);
}

/* Drone host — positioned at center like the mark */
.tsc__drone-host {
  position: absolute;
  left: 50%; top: 50%;
  z-index: 5;
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  transition: opacity 0.35s ease;
  animation: drone-bob 4.5s ease-in-out infinite;
}
@keyframes drone-bob {
  0%, 100% { margin-top: 0; }
  50%      { margin-top: -7px; }
}

/* Rotor / propeller spin */
.drone__prop {
  transform-origin: center;
  transform-box: fill-box;
  animation: drone-prop-spin 0.5s linear infinite;
  opacity: 1;
}
.drone__prop.is-boosted {
  animation-duration: 0.15s;
}
@keyframes drone-prop-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Scan-line sweep across the drone HUD */
.drone__scan {
  animation: drone-scan 4s linear infinite;
}
@keyframes drone-scan {
  0%   { transform: translateY(-200px); opacity: 0;   }
  10%  { opacity: 0.4; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(200px); opacity: 0;   }
}

/* HUD elements settle smoothly */
.drone__hud-back, .drone__hud-fore {
  transition: opacity 0.6s ease;
}

.drone.is-dragging { cursor: grabbing !important; }

/* Drone hover halo */
.drone {
  filter: drop-shadow(0 0 28px rgba(241, 237, 227, 0.10));
  transition: filter 0.4s ease;
}
.drone:hover { filter: drop-shadow(0 0 42px rgba(241, 237, 227, 0.20)); }
.drone.is-boosted { filter: drop-shadow(0 0 56px rgba(241, 237, 227, 0.32)); }

/* ===== Act 0 — Hero ===== */
.tsc__hero {
  position: absolute;
  inset: 0;
  z-index: 7;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 14vh var(--gutter) 14vh;
  pointer-events: none;
  text-align: center;
  will-change: opacity, transform;
}
.tsc__hero-top, .tsc__hero-bottom {
  max-width: 760px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.tsc__eyebrow {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-3);
  display: inline-block;
}
.tsc__hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 300;
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--fg);
  margin: 0;
  max-width: 14ch;
}
.tsc__hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--fg);
}
.tsc__hero-sub {
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-2);
  max-width: 56ch;
  margin: 0;
}
.tsc__rotate-hint {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-3);
}
.tsc__rotate-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--fg);
  animation: pulse 1.6s ease-in-out infinite;
}

/* ===== Act title (shared across acts 1-3) ===== */
.tsc__act-title {
  position: absolute;
  top: 8vh;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.tsc__act-title--up { top: 6vh; }
.tsc__act-title h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 48px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin: 0;
}
.tsc__act-title h2 em {
  font-style: italic;
  font-weight: 400;
}

/* ===== Drone hint badge (sits below the drone) ===== */
.tsc__drone-hint {
  position: absolute;
  left: 50%;
  bottom: -36px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0.75;
}
.tsc__drone-hint svg {
  color: var(--fg-3);
  opacity: 0.75;
}

/* ===== Act 1 — Spec band (Heimdall-clean typography) ===== */
.tsc__specs {
  position: absolute;
  inset: 0;
  z-index: 6;
  will-change: opacity;
  /* Text-only overlay — never block drone drag. Individual specs are static. */
  pointer-events: none !important;
}
.tsc__spec-lines {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  color: var(--fg-3);
  pointer-events: none;
}
.tsc__spec {
  position: absolute;
  width: clamp(170px, 16vw, 240px);
  color: var(--fg-2);
  will-change: opacity, transform;
}
.tsc__spec--left  { text-align: right; }
.tsc__spec--right { text-align: left;  }
.tsc__spec--center { text-align: center; }
.tsc__spec-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 12px;
}
.tsc__spec-value {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--fg);
  line-height: 0.95;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
[data-typeface="editorial"] .tsc__spec-value { font-style: italic; font-weight: 400; }
.tsc__spec-unit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-3);
  line-height: 1.45;
}

/* ===== Act 2 — Capability orbit ===== */
.tsc__caps {
  position: absolute;
  inset: 0;
  z-index: 6;
  will-change: opacity;
  pointer-events: none !important;
}
.tsc__cap {
  position: absolute;
  width: clamp(160px, 18vw, 220px);
  color: var(--fg-2);
  padding: 0 12px;
  will-change: opacity, transform;
}
.tsc__cap-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 6px;
  line-height: 1.2;
}
.tsc__cap-body {
  font-size: 12px;
  line-height: 1.45;
  color: var(--fg-2);
}

/* ===== Act 3 — Stack split ===== */
.tsc__stack {
  position: absolute;
  inset: 0;
  z-index: 6;
  will-change: opacity;
  pointer-events: none;
}
.tsc__stack-card {
  pointer-events: auto;
}
.tsc__stack-card {
  position: absolute;
  top: 50%;
  width: clamp(260px, 26vw, 340px);
  padding: 24px 28px;
  background: var(--bg-2);
  border: 1px solid var(--hairline);
  will-change: transform;
}
.tsc__stack-card--L { left: 8vw; }
.tsc__stack-card--R { right: 8vw; }
.tsc__stack-card-tag {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.tsc__stack-card-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 12px;
}
[data-typeface="editorial"] .tsc__stack-card-name { font-style: italic; font-weight: 400; }
.tsc__stack-card-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--fg-2);
  margin: 0 0 18px;
}
.tsc__stack-card-link {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 4px;
  text-decoration: none;
  transition: border-color 0.2s ease;
}
.tsc__stack-card-link:hover { border-color: var(--fg); }

/* ===== Act 4 — Outro ===== */
.tsc__outro {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 8;
  text-align: center;
  max-width: min(90vw, 760px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  will-change: opacity, transform;
  pointer-events: none;
}
.tsc__outro-line {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 60px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fg);
  margin: 0;
}
.tsc__outro-line em { font-style: italic; font-weight: 400; }
.tsc__outro-hint {
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-3);
  margin-top: 8px;
}

/* Scroll hint */
.tsc__scroll-hint {
  position: absolute;
  left: 50%; bottom: 4vh;
  transform: translateX(-50%);
  z-index: 9;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--fg-3);
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.tsc__scroll-arrow {
  font-size: 16px;
  animation: hsc-bob 1.6s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 900px) {
  .tsc__hero-title { font-size: 32px; }
  .tsc__spec { width: 130px; }
  .tsc__spec-value { font-size: 20px; }
  .tsc__cap { width: 140px; }
  .tsc__cap-title { font-size: 14px; }
  .tsc__cap-body { font-size: 11px; }
  .tsc__stack-card--L { left: 4vw; }
  .tsc__stack-card--R { right: 4vw; }
  .tsc__stack-card { width: 42vw; padding: 16px 18px; }
  .tsc__stack-card-name { font-size: 20px; }
}

/* ----------------------------------------------------------------------------
   PHASE 2 FX — target-lock cursor, grain, telemetry ticker, manifesto reveal
---------------------------------------------------------------------------- */

/* ---------- film grain ---------- */
.grain {
  position: fixed;
  inset: -60%;
  z-index: 9990;
  pointer-events: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 240px 240px;
  opacity: 0.045;
  animation: grain-shift 0.8s steps(6) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  17%  { transform: translate(-2%, 1%); }
  33%  { transform: translate(1%, -2%); }
  50%  { transform: translate(-1%, 2%); }
  67%  { transform: translate(2%, 1%); }
  83%  { transform: translate(-2%, -1%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
}

/* ---------- target-lock brackets ---------- */
.lockbox {
  position: fixed;
  top: 0; left: 0;
  width: 0; height: 0;
  z-index: 9998;
  pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity 0.18s ease;
  will-change: transform, width, height;
}
.lockbox.on { opacity: 1; }
.lockbox .c { position: absolute; width: 9px; height: 9px; }
.lockbox .c--tl { top: 0; left: 0; border-top: 1px solid #fff; border-left: 1px solid #fff; }
.lockbox .c--tr { top: 0; right: 0; border-top: 1px solid #fff; border-right: 1px solid #fff; }
.lockbox .c--bl { bottom: 0; left: 0; border-bottom: 1px solid #fff; border-left: 1px solid #fff; }
.lockbox .c--br { bottom: 0; right: 0; border-bottom: 1px solid #fff; border-right: 1px solid #fff; }
.lockbox__tag {
  position: absolute;
  top: -17px;
  right: 0;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: #fff;
  white-space: nowrap;
}
.crosshair .ring { transition: transform .2s ease, inset .2s ease, opacity .2s ease; }
.crosshair.locked .ring { opacity: 0; }
@media (max-width: 640px) {
  .lockbox { display: none; }
}

/* ---------- telemetry ticker ---------- */
.ticker {
  border-top: 1px solid var(--hairline);
  overflow: hidden;
  padding: 14px 0;
  position: relative;
}
.ticker__track {
  display: flex;
  width: max-content;
  animation: scroll 38s linear infinite;
}
.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker__item::after {
  content: "";
  width: 4px; height: 4px;
  background: var(--fg-4);
  transform: rotate(45deg);
  margin: 0 34px;
}
.ticker__k { color: var(--fg-4); }
.ticker__v { color: var(--fg-2); font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none; }
}

/* ---------- footer legal row ---------- */
.foot__legal { display: flex; gap: 24px; }
.foot__legal a { color: var(--fg-3); transition: color .2s; }
.foot__legal a:hover { color: var(--fg); }
@media (max-width: 760px) {
  .foot__bottom { flex-direction: column; gap: 14px; align-items: flex-start; }
}

/* ---------- capability cards: keyboard focus ---------- */
.cap:focus-visible {
  background: var(--bg-2);
  outline: 1px solid var(--fg-3);
  outline-offset: -1px;
}

/* ---------- generic doc / list pages (careers · responsibility · privacy) ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
}
.grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-card {
  padding: 40px 32px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.grid-cards.cols-3 .grid-card:nth-child(3n) { border-right: none; }
.grid-cards.cols-2 .grid-card:nth-child(2n) { border-right: none; }
.grid-card__k { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.08em; margin-bottom: 20px; }
.grid-card__t {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 300; letter-spacing: -0.02em;
  line-height: 1.1; margin-bottom: 14px; color: var(--fg);
}
[data-typeface="editorial"] .grid-card__t { font-style: italic; font-weight: 400; }
.grid-card__d { color: var(--fg-2); font-size: 14px; line-height: 1.6; }

/* roles list */
.role {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 32px;
  align-items: baseline;
  padding: 32px 0;
  border-top: 1px solid var(--hairline);
}
.role:last-of-type { border-bottom: 1px solid var(--hairline); }
.role__k { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.08em; }
.role__t { font-family: var(--font-display); font-size: clamp(24px, 3vw, 34px); font-weight: 300; letter-spacing: -0.02em; line-height: 1.05; margin-bottom: 10px; }
[data-typeface="editorial"] .role__t { font-style: italic; font-weight: 400; }
.role__d { color: var(--fg-2); font-size: 15px; line-height: 1.55; max-width: 60ch; }
.role__tags { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }
@media (max-width: 760px) {
  .grid-cards, .grid-cards.cols-2 { grid-template-columns: 1fr; }
  .grid-card { border-right: none; }
  .role { grid-template-columns: 40px 1fr; }
  .role__tags { grid-column: 2; margin-top: 8px; }
}

/* prose document (privacy) */
.doc { max-width: 760px; }
.doc__block { padding: 28px 0; border-top: 1px solid var(--hairline); display: grid; grid-template-columns: 200px 1fr; gap: 32px; }
.doc__block:last-child { border-bottom: 1px solid var(--hairline); }
.doc__k { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.1em; text-transform: uppercase; }
.doc__v { color: var(--fg-2); font-size: 15px; line-height: 1.65; }
.doc__v a { color: var(--fg); border-bottom: 1px solid var(--hairline); }
.doc__note {
  margin-top: 40px;
  padding: 24px;
  border: 1px dashed var(--border);
  background: var(--bg-2);
  font-size: 14px; line-height: 1.6; color: var(--fg-2);
}
.doc__note .mono { color: var(--warning); display: block; margin-bottom: 8px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
@media (max-width: 640px) {
  .doc__block { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- manifesto scroll reveal ---------- */
.manifesto__quote--reveal .w {
  color: var(--fg-4);
  transition: color 0.45s ease;
}
.manifesto__quote--reveal .w.on { color: var(--fg); }
.manifesto__quote--reveal .w.em { font-style: italic; }
.manifesto__quote--reveal .w.dim.on { color: var(--fg-3); }

/* ----------------------------------------------------------------------------
   RESPONSIVE FIXES for inline-styled grids (About / Solutions / Technology)
---------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .grid-3-resp { grid-template-columns: repeat(2, 1fr) !important; }
  .grid-4-resp { grid-template-columns: repeat(2, 1fr) !important; }
  .arch-grid   { grid-template-columns: 1fr !important; }
  .sol-row     { grid-template-columns: 1fr !important; gap: 28px !important; }
  .sol-row .sol-row__idx { padding-top: 0 !important; }
}
@media (max-width: 560px) {
  .grid-3-resp { grid-template-columns: 1fr !important; }
  .grid-4-resp { grid-template-columns: 1fr 1fr !important; }
}

/* ----------------------------------------------------------------------------
   FIELD IMAGERY band — drop-in image slots
---------------------------------------------------------------------------- */
.field {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.field__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1px;
  background: var(--hairline);
}
.field__cell { position: relative; background: var(--bg); overflow: hidden; }
.field__cell image-slot { display: block; width: 100%; height: 100%; }
.field__cell image-slot::part(frame) {
  background:
    repeating-linear-gradient(45deg, var(--bg-2) 0 2px, transparent 2px 13px),
    var(--bg);
}
.field__cell image-slot::part(empty) { color: var(--fg-2); }
.field__cell--lg { min-height: 560px; }
.field__cell--sm { min-height: 280px; }
.field__stack { display: grid; grid-template-rows: 1fr 1fr; gap: 1px; background: var(--hairline); }
.field__cap {
  position: absolute;
  left: 18px; bottom: 16px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
  pointer-events: none;
  text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}
.field__cap .mark { color: var(--fg-3); }
@media (max-width: 860px) {
  .field__grid { grid-template-columns: 1fr; }
  .field__cell--lg { min-height: 420px; }
  .field__cell--sm { min-height: 240px; }
}

/* ----------------------------------------------------------------------------
   404 / unknown route
---------------------------------------------------------------------------- */
.notfound {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.notfound__code {
  font-family: var(--font-display);
  font-size: clamp(96px, 18vw, 280px);
  font-weight: 200;
  letter-spacing: -0.05em;
  line-height: 0.82;
  color: var(--fg);
}
[data-typeface="editorial"] .notfound__code { font-style: italic; }
.notfound__msg { color: var(--fg-2); font-size: 18px; line-height: 1.55; max-width: 48ch; margin: 28px 0 36px; }