:root {
  --bg: #05070d;
  --bg-2: #0a1320;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f0f2f5;
  --text-dim: #8b95a5;
  --text-mute: #4b5366;
  --accent: #7ee8ff;
  --gold: #e8b678;
  --gold-soft: #f0c98e;
  --serif: "Cormorant Garamond", serif;
  --sans: "Inter Tight", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: var(--accent); color: #000; }

/* Hero video stage (scroll-scrubbed) */
#hero-video-stage {
  position: fixed; inset: 0;
  z-index: 0;
  background: #05070d url("/assets/hero-poster.jpg") center / cover no-repeat;
  opacity: var(--scrub-fade, 1);
}
#hero-video-stage.hero-has-poster {
  background-color: #05070d;
  background-image: url("/assets/hero-poster.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
#hero-video-stage.hero-video-failed,
#hero-video-stage.hero-reduced-motion {
  /* Keep poster; never leave a blank void if video fails or motion is reduced */
}
#ui-root[hidden] { display: none !important; }
#hero-video-stage video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.3s ease;
}
#hero-video-stage.is-ready video { opacity: 1; }
/* Legibility scrim so hero copy sits cleanly over the globe */
.hero-video-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(58% 46% at 50% 50%, rgba(5,7,13,0.62) 0%, rgba(5,7,13,0.28) 45%, transparent 74%),
    linear-gradient(to bottom, rgba(5,7,13,0.55) 0%, transparent 26%, transparent 70%, rgba(5,7,13,0.7) 100%);
}

/* Grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.8 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.045;
  mix-blend-mode: overlay;
}
.grain.off { display: none; }

/* Vignette */
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(0,0,0,0.6) 100%),
    linear-gradient(to bottom, rgba(5,7,13,0.4) 0%, transparent 15%, transparent 85%, rgba(5,7,13,0.8) 100%);
}

/* UI layer */
#ui-root { position: relative; z-index: 3; }

/* ---- Top bar ---- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 44px;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 22px; height: 22px; display: inline-flex; }
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-word {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  font-weight: 400;
}
.topbar-meta {
  display: flex; gap: 24px; align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.topbar-meta .sep { width: 16px; height: 1px; background: var(--line); }
.topbar-meta .dot { width: 5px; height: 5px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 8px var(--accent); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ---- Dive stage: scroll-driven globe→terrain transition ---- */
.dive-stage {
  position: relative;
  height: 320vh;
  z-index: 3;
}
.dive-stage--hero { height: 320vh; }
.hero-pinned--simple { display: block; }
.hero-pinned--simple .hero-pinned-center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(820px, 92vw); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 26px;
  will-change: opacity, transform;
}
.hero-eyebrow--center::before { display: none; }
.hero-eyebrow--center {
  justify-content: center; color: var(--gold);
  letter-spacing: 0.3em;
}
.hero-pinned--simple .hero-lead--center {
  border-left: none; background: none; backdrop-filter: none;
  padding: 0; max-width: 52ch; text-align: center;
  color: var(--text-dim); font-size: 16px; text-shadow: none;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  background: transparent; color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 4px;
  padding: 15px 26px; cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--text); }
.btn-ghost span { color: var(--gold); }
.dive-stage-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  pointer-events: none;
}
.dive-stage-sticky > * { pointer-events: auto; }

.hero-pinned {
  position: relative;
  width: 100%;
  height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 0 44px;
  pointer-events: none;
}
.hero-pinned > * { pointer-events: auto; }
.hero-pinned-left {
  position: absolute;
  left: 44px;
  bottom: 140px;
  display: flex; flex-direction: column; gap: 18px;
  max-width: 280px;
}
.hero-pinned-right {
  position: absolute;
  right: 44px;
  bottom: 140px;
  display: flex; flex-direction: column; gap: 14px;
  align-items: flex-end;
}
.hero-pinned-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  text-align: center;
  max-width: min(880px, 92vw);
  padding: 0 20px;
}

/* Altitude badge — top-right anchor */
.altitude-badge {
  position: absolute;
  top: 90px;
  right: 44px;
  text-align: right;
  font-family: var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 6;
  pointer-events: none;
}
.altitude-badge-label {
  font-size: 9px;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.altitude-badge-value {
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--text);
  font-weight: 300;
  font-feature-settings: "tnum" 1;
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}

/* Dive readouts: global (top-left) and local (bottom-left of patch area) */
.dive-readout {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(255,255,255,0.85);
  background: rgba(8,10,14,0.55);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(6px);
  padding: 10px 14px;
  min-width: 180px;
  transition: opacity 0.5s ease;
  z-index: 5;
  letter-spacing: 0.04em;
}
.dive-readout-head {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.dive-readout-row {
  display: flex; justify-content: space-between; gap: 18px;
  padding: 3px 0;
}
.dive-readout-row span:first-child {
  color: rgba(255,255,255,0.45);
  font-style: italic;
}
.dive-readout--global {
  top: 90px;
  left: 44px;
}
.dive-readout--local {
  top: 90px;
  left: 44px;
}

.field-readout-pin {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  white-space: nowrap;
  background: rgba(8,10,14,0.65);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 6px 10px;
  transition: opacity 0.3s;
  will-change: transform;
}

/* HUD progress bar (replaces scene pill toggles) */
.hud-progress {
  height: 1px;
  background: var(--line);
  position: relative;
  width: 100%;
  max-width: 600px;
}
.hud-progress-bar {
  position: absolute;
  top: -1px;
  left: 0;
  height: 3px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transition: width 0.1s linear;
}
.hud-arrow {
  margin: 0 12px;
  color: var(--text-mute);
}

/* (legacy) ---- Hero stage ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 0 44px;
}

/* Huge type that wraps around the 3D form. Three columns of information. */
.hero-core {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "center";
  align-items: end;
  justify-items: center;
  padding: 0 0 140px 0;
  gap: 40px;
  min-height: 100vh;
  pointer-events: none;
  position: relative;
}
.hero-core > * { pointer-events: auto; }
.hero-left { position: absolute; left: 0; bottom: 140px; }
.hero-right { position: absolute; right: 0; bottom: 140px; }
.hero-core > * { pointer-events: auto; }

.hero-left {
  display: flex; flex-direction: column; gap: 18px;
  max-width: 260px;
}
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex; align-items: center; gap: 10px;
}
.hero-eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}
.hero-lead {
  font-size: 13px;
  line-height: 1.55;
  color: #e8ecf2;
  max-width: 240px;
  margin: 0;
  padding: 12px 16px;
  background: rgba(5, 7, 13, 0.7);
  backdrop-filter: blur(10px);
  border-left: 2px solid var(--accent);
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
}
.hero-lead-sub {
  font-size: 11.5px;
  line-height: 1.5;
  color: #a8b2c0;
  font-style: italic;
  max-width: 240px;
  margin: 8px 0 0 16px;
  letter-spacing: 0.01em;
}

/* Geomagnetic Reference spec card under hero-lead */
.hero-spec-card {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(5, 7, 13, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  font-family: var(--mono, ui-monospace, Menlo, monospace);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  max-width: 240px;
  color: #c8d0db;
}
.hero-spec-card-head {
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #98a3b3;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hero-spec-row {
  display: flex; justify-content: space-between;
  padding: 3px 0;
  color: #d8dde6;
}
.hero-spec-row span:last-child { color: var(--accent); }

/* Concept callouts (Global / Local / Navigation) */
.concept-callouts {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 400ms ease;
  z-index: 8;
}
.concept-callout {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono, ui-monospace, Menlo, monospace);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c8d0db;
  cursor: default;
  pointer-events: auto;
}
.concept-callout .concept-leader {
  display: block;
  width: 56px; height: 1px;
  background: rgba(200,210,225,0.45);
}
.concept-callout .concept-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(126,232,255,0.15);
}
.concept-callout.hovered .concept-dot {
  box-shadow: 0 0 0 5px rgba(126,232,255,0.25);
}
.concept-pop {
  position: absolute;
  top: 22px; left: 60px;
  width: 220px;
  padding: 10px 12px;
  background: rgba(8,11,18,0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
}
.concept-callout.hovered .concept-pop { opacity: 1; transform: translateY(0); }
.concept-pop-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
  color: #e8ecf2;
  margin-bottom: 4px;
}
.concept-pop-body {
  font-family: var(--sans, system-ui);
  font-size: 11.5px;
  line-height: 1.5;
  letter-spacing: 0.005em;
  text-transform: none;
  color: #a8b2c0;
}
.concept-c-global { top: 24%; left: 18%; }
.concept-c-local  { top: 46%; left: 14%; }
.concept-c-nav    { top: 68%; left: 20%; }

/* GPS-Denied status card (right side) */
.status-card {
  position: absolute;
  top: 28%;
  right: 44px;
  width: 240px;
  padding: 14px 16px;
  background: rgba(8,11,18,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.09);
  font-family: var(--mono, ui-monospace, Menlo, monospace);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: #d8dde6;
  transition: opacity 400ms ease;
  z-index: 8;
}
.status-card-head {
  display: flex; align-items: center; gap: 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ff9a6b;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.status-pip {
  width: 7px; height: 7px; border-radius: 50%;
  background: #ff9a6b;
  box-shadow: 0 0 8px rgba(255,154,107,0.6);
  animation: status-pulse 1.4s ease-in-out infinite;
}
@keyframes status-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}
.status-card-row {
  display: flex; justify-content: space-between;
  padding: 4px 0;
}
.status-val { color: #c8d0db; }
.status-val-bad { color: #ff9a6b; }
.status-val-ok { color: #8eecb8; }
.status-card-bar {
  margin-top: 10px;
  height: 2px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}
.status-card-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #8eecb8, #7ee8ff);
  transition: width 200ms ease;
}

/* Sensor sampling waveform (bottom-right during local phase) */
.sensor-panel {
  position: absolute;
  right: 44px;
  bottom: 18%;
  width: 256px;
  padding: 12px 14px;
  background: rgba(8,11,18,0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.09);
  font-family: var(--mono, ui-monospace, Menlo, monospace);
  transition: opacity 400ms ease;
  z-index: 8;
}
.sensor-panel-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.sensor-panel-tag {
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #ff9a6b;
}
.sensor-panel-coord {
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: #98a3b3;
}
.sensor-panel-wave {
  width: 100%; height: 56px;
  display: block;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 4px;
}
.sensor-panel-foot {
  display: flex; justify-content: space-between;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #c8d0db;
  margin-top: 8px;
}
.sensor-panel-foot em {
  font-style: normal;
  color: #98a3b3;
  margin-right: 4px;
}
.sensor-panel-match { color: #8eecb8; }

.hero-center {
  text-align: center;
  max-width: min(880px, 92vw);
  margin: 0 auto;
  padding: 0 20px;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
  white-space: nowrap;
}
.hero-title .line { display: block; white-space: nowrap; }
@media (max-width: 640px) {
  .hero-title { white-space: normal; }
  .hero-title .line { white-space: normal; }
}
.hero-title em { font-style: italic; color: var(--accent); opacity: 0.92; }

.hero-right {
  text-align: right;
  display: flex; flex-direction: column; gap: 14px; align-items: flex-end;
}
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  background: rgba(5, 7, 13, 0.4);
  backdrop-filter: blur(8px);
  color: var(--text);
  border-radius: 999px;
}
.chip .d {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
}
.chip-accent {
  border-color: rgba(126, 232, 255, 0.4);
  color: var(--accent);
}

/* ---- Field overlay (WMM annotations) ---- */
.field-overlay {
  position: absolute; inset: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
  z-index: 4;
}
.field-overlay-svg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  transition: opacity 0.4s;
}
.field-tag {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
  white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
  transition: opacity 0.3s;
  will-change: transform;
}
.field-tag-rule {
  display: inline-block;
  width: 18px; height: 1px;
  background: rgba(255,255,255,0.55);
}
.field-tag-rule.mn {
  background: var(--accent, #ff6b55);
}
.mn-tag { color: rgba(255,140,120,0.88); }

.field-readout {
  position: absolute;
  top: 0; left: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.85);
  background: rgba(8,10,14,0.55);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(6px);
  padding: 8px 11px;
  min-width: 130px;
  transition: opacity 0.3s;
  will-change: transform;
}
.field-readout-head {
  font-size: 8.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  padding-bottom: 6px;
  margin-bottom: 6px;
}
.field-readout-row {
  display: flex; justify-content: space-between; gap: 18px;
  padding: 2px 0;
}
.field-readout-row span:first-child {
  color: rgba(255,255,255,0.45);
  font-style: italic;
}

/* ---- Bottom HUD strip ---- */
.hud {
  position: absolute;
  bottom: 0;
  left: 44px;
  right: 44px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  padding: 18px 0 26px;
  border-top: 1px solid var(--line);
  gap: 48px;
}
.hud-progress-track {
  position: relative;
  height: 32px;
  width: 100%;
}
.hud-progress-track::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  height: 1px;
  background: var(--line-strong);
}
.hud-progress-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--text);
  transition: width 0.08s linear;
}
.hud-progress-cursor {
  position: absolute;
  bottom: -3px;
  width: 1px;
  height: 7px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  transform: translateX(-50%);
  transition: left 0.08s linear;
}
.hud-progress-tick {
  position: absolute;
  bottom: 6px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hud-progress-tick::before {
  content: "";
  position: absolute;
  bottom: -10px;
  height: 4px;
  width: 1px;
  background: var(--text-mute);
}
.hud-tick-start { left: 0; }
.hud-tick-start::before { left: 0; }
.hud-tick-end { right: 0; text-align: right; align-items: flex-end; }
.hud-tick-end::before { right: 0; }
.hud-tick-label {
  color: var(--text);
}
.hud-tick-sub {
  color: var(--text-mute);
  font-feature-settings: "tnum" 1;
}

.hud-cta {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text);
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
}
.hud-cta::after {
  content: "";
  width: 30px; height: 1px; background: var(--accent);
  transition: width 0.3s;
}
.hud-cta:hover::after { width: 48px; }

/* ---- Sub reveal: one quiet capability band ---- */
.band {
  position: relative;
  padding: 160px 44px;
  z-index: 3;
}
.band-inner { max-width: 1320px; margin: 0 auto; }
.band-top {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
  margin-bottom: 80px;
}
.band-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.band-tag em { color: var(--accent); font-style: normal; }
.band-title {
  font-family: var(--serif);
  font-size: clamp(36px, 4.6vw, 64px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.018em;
  margin: 0;
  max-width: 900px;
  text-wrap: balance;
}
.band-title em { font-style: italic; color: var(--accent); }

.band-words {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.word-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--text-mute);
  margin-bottom: 16px;
  display: block;
}
.word-label {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  font-style: italic;
  margin-bottom: 10px;
  color: var(--text);
}
.word-body {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0;
  max-width: 340px;
}

/* ---- Partner band ---- */
.partner {
  position: relative;
  padding: 160px 44px 120px;
  z-index: 3;
  border-top: 1px solid var(--line);
}
.partner-inner { max-width: 900px; margin: 0 auto; text-align: center; position: relative; }
.partner-mark {
  width: 180px; height: 180px;
  display: block;
  margin: 0 auto 36px;
  opacity: 0.9;
}
.partner-mark svg { width: 100%; height: 100%; display: block; }
.partner-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 32px;
  display: inline-block;
}
.partner-title {
  font-family: var(--serif);
  font-size: clamp(44px, 5.5vw, 80px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.partner-title em { font-style: italic; color: var(--accent); }
.partner-sub {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 540px;
  margin: 0 auto 48px;
  line-height: 1.55;
}

.email-capture {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  border: 1px solid var(--line-strong);
  background: rgba(10, 19, 32, 0.5);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s;
}
.email-capture:focus-within { border-color: var(--accent); }
.email-capture input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 18px 22px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  outline: none;
}
.email-capture input::placeholder { color: var(--text-mute); }
.email-capture button {
  padding: 0 24px;
  background: var(--accent);
  border: none;
  color: #000;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex; align-items: center; gap: 10px;
  transition: all 0.25s;
}
.email-capture button:hover { background: #fff; }

.partner-note {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.partner-note em { color: var(--accent); font-style: normal; }

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(5, 7, 13, 0.8);
  backdrop-filter: blur(12px);
  z-index: 100;
  display: grid; place-items: center;
  padding: 24px;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 560px;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  padding: 44px;
  position: relative;
  animation: rise 0.4s cubic-bezier(.22,1,.36,1);
}
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 20px; right: 20px;
  background: transparent; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 16px; width: 28px; height: 28px;
  display: grid; place-items: center;
}
.modal-close:hover { color: var(--text); }
.modal h3 {
  font-family: var(--serif);
  font-size: 32px; font-weight: 300; margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.modal h3 em { font-style: italic; color: var(--accent); }
.modal-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.modal-grid { display: grid; gap: 18px; }
.modal-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f { display: flex; flex-direction: column; gap: 6px; }
.f label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.f input, .f select, .f textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 8px 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.f input:focus, .f select:focus, .f textarea:focus { border-bottom-color: var(--accent); }
.f textarea { resize: vertical; min-height: 56px; }
.f select { appearance: none; cursor: pointer; }
.f select option { background: var(--bg-2); }
.modal-submit {
  width: 100%;
  margin-top: 10px;
  padding: 16px;
  background: var(--accent);
  border: none;
  color: #000;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.25s;
}
.modal-submit:hover { background: #fff; }
.modal-success { padding: 20px 0; text-align: center; }
.modal-success svg { color: var(--accent); margin-bottom: 16px; }
.modal-success h4 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 0 0 8px; }
.modal-success p { color: var(--text-dim); font-size: 13px; }

/* ---- Footer ---- */
.footer {
  position: relative; z-index: 3;
  padding: 36px 44px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.footer a { transition: color 0.2s; }
.footer a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 28px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.end-logo {
  position: relative; z-index: 3; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; gap: 22px;
  padding: 120px 44px 40px; border-top: 1px solid var(--line);
}
.end-logo-mark { width: 120px; height: 120px; display: inline-flex; opacity: 0.95; }
.end-logo-mark svg { width: 100%; height: 100%; display: block; }
.end-logo-word {
  font-family: var(--serif); font-size: 15px; letter-spacing: 0.38em;
  text-transform: uppercase; color: var(--text-dim);
  display: flex; flex-direction: column; align-items: center; gap: 4px; line-height: 1.1;
}
.footer-mark { width: 26px; height: 26px; display: inline-flex; }
.footer-mark svg { width: 100%; height: 100%; display: block; }

/* ---- Tweaks panel ---- */
.tweaks {
  position: fixed; bottom: 24px; right: 24px; z-index: 50;
  width: 260px;
  background: rgba(10, 19, 32, 0.92);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(14px);
  padding: 18px 20px;
  font-size: 12px;
}
.tweaks-h {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between;
}
.tw-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.tw-row label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.tw-sw { display: flex; gap: 6px; }
.tw-sw .s {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: transform 0.15s;
}
.tw-sw .s.active { box-shadow: 0 0 0 1px #fff; transform: scale(1.15); }
.tw-row input[type=range] { width: 100%; }
.tw-pills { display: flex; gap: 4px; flex-wrap: wrap; }
.tw-pill {
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}
.tw-pill.active { border-color: var(--accent); color: var(--accent); }

/* ---- Reveal ---- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 1.1s ease, transform 1.1s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }

/* Small screens */
@media (max-width: 860px) {
  .topbar { padding: 18px 20px; }
  .topbar-meta { display: none; }
  .hero { padding: 0 20px; }
  .hero-core { grid-template-columns: 1fr; gap: 24px; padding-bottom: 40px; }
  .hero-left, .hero-right { align-self: start; text-align: left; align-items: flex-start; }
  .hero-right { order: 3; }
  .hero-center { order: 1; padding: 140px 0 20px; }
  .hud { grid-template-columns: 1fr; gap: 16px; }
  .band, .partner { padding: 80px 20px; }
  .band-top, .band-words { grid-template-columns: 1fr; gap: 24px; }
  .footer { flex-direction: column; gap: 16px; padding: 24px 20px; }
  .tweaks { left: 16px; right: 16px; bottom: 16px; width: auto; }
}

/* ============ Top nav ============ */
.topnav { display: flex; align-items: center; gap: 34px; }
.topnav a {
  font-family: var(--sans); font-size: 14px; color: var(--text-dim);
  letter-spacing: 0.01em; transition: color 0.2s;
}
.topnav a:hover { color: var(--text); }
.topnav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  color: var(--text); background: transparent;
  border: 1px solid var(--line-strong); border-radius: 4px;
  padding: 9px 16px; cursor: pointer; transition: all 0.2s;
}
.topnav-cta:hover { border-color: var(--gold); color: var(--gold); }
.topnav-cta span { color: var(--gold); }

/* ============ Generic section shell ============ */
.sec { position: relative; z-index: 3; background: var(--bg); padding: 130px 44px; border-top: 1px solid var(--line); }
.sec-inner { max-width: 1200px; margin: 0 auto; }
.sec-head { margin-bottom: 64px; }
.sec-tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--text-mute); margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}
.sec-tag::before { content: ""; width: 40px; height: 1px; background: var(--line-strong); }
.sec-tag em { font-style: normal; color: var(--text-dim); }
.sec-title {
  font-family: var(--sans); font-weight: 500;
  font-size: clamp(32px, 4.2vw, 54px); line-height: 1.12;
  letter-spacing: -0.025em; margin: 0; color: var(--text); max-width: 18ch;
  text-wrap: balance;
}
.sec-title em {
  font-family: var(--serif); font-style: italic; font-weight: 400;
  font-size: 1.12em; letter-spacing: 0.005em; color: var(--text);
}
.sec-lead {
  font-family: var(--sans); font-size: 19px; line-height: 1.6;
  color: var(--text-dim); max-width: 60ch; margin: 0 0 56px;
}

/* ---- Problem ---- */
.problem-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.problem-lead { font-size: 18px; line-height: 1.65; color: var(--text-dim); margin: 0; }
.problem-stats { display: flex; flex-direction: column; gap: 28px; }
.problem-stat { border-top: 1px solid var(--line); padding-top: 18px; }
.problem-stat-num {
  display: block; font-family: var(--serif); font-style: italic;
  font-size: 34px; color: var(--gold-soft); margin-bottom: 8px;
}
.problem-stat-label { font-size: 14px; line-height: 1.55; color: var(--text-dim); }

/* ---- Solution ---- */
.solution-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; border-top: 1px solid var(--line); padding-top: 44px; }
.solution-viz { margin-top: 72px; display: grid; place-items: center; position: relative; z-index: 0; }
.solution-viz img { width: 100%; max-width: 720px; height: auto; display: block; position: relative; z-index: 1; will-change: transform; animation: floatY 8s ease-in-out infinite; }

@keyframes floatY {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(0,-12px,0); }
}
@keyframes floatY2 {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(0,-9px,0); }
}
@media (prefers-reduced-motion: reduce) {
  .solution-viz img, .hardware-img { animation: none; }
}
.sol-num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em; color: var(--text-mute); margin-bottom: 16px; }
.sol-label { font-family: var(--serif); font-style: italic; font-size: 26px; color: var(--text); margin-bottom: 12px; }
.sol-body { font-size: 15px; line-height: 1.6; color: var(--text-dim); margin: 0; max-width: 34ch; }

/* ---- Hardware ---- */
.hardware-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center; }
.hardware-viz {
  position: relative; display: grid; place-items: center; overflow: visible;
}
.hardware-img { width: 100%; height: auto; display: block; position: relative; z-index: 1; will-change: transform; animation: floatY2 9s ease-in-out infinite; }
.hardware-viz::after {
  content: ""; position: absolute; left: 50%; top: 48%;
  width: 66%; aspect-ratio: 1; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(126,232,255,0.20), transparent 68%);
  filter: blur(34px); z-index: 0; pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite;
}
.solution-viz::after {
  content: ""; position: absolute; left: 50%; top: 54%;
  width: 50%; aspect-ratio: 1; transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,140,90,0.18), transparent 66%);
  filter: blur(40px); z-index: 0; pointer-events: none;
  animation: pulseGlow 5.5s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.95; }
}
}
.hw-callout { position: absolute; display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); z-index: 2; }
.hw-dot { width: 5px; height: 5px; border-radius: 50%; border: 1px solid var(--gold); }
.hw-line { width: 34px; height: 1px; background: var(--line-strong); }
.hw-c1 { top: 26%; left: 6%; }
.hw-c2 { top: 16%; right: 6%; flex-direction: row-reverse; }
.hw-c3 { bottom: 16%; left: 30%; }
.hardware-body { font-size: 18px; line-height: 1.6; color: var(--text-dim); margin: 0 0 36px; }
.spec-table { border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.spec-k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); padding-top: 2px; }
.spec-v { font-size: 15px; color: var(--text); }

/* ---- Founder's Edition ---- */
.founder-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.founder-body { font-size: 18px; line-height: 1.65; color: var(--text-dim); margin: 28px 0 40px; max-width: 46ch; }
.founder-includes-head, .sov-list-head { font-family: var(--mono); font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-mute); margin-bottom: 24px; }
.founder-list, .sov-list { list-style: none; margin: 0; padding: 0; }
.founder-list li, .sov-list li { display: flex; gap: 16px; align-items: flex-start; font-size: 16px; line-height: 1.5; color: var(--text); padding: 18px 0; border-top: 1px solid var(--line); }
.fl-dot { width: 5px; height: 5px; border-radius: 50%; border: 1px solid var(--gold); margin-top: 8px; flex-shrink: 0; }

/* ---- Primary button ---- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--sans); font-size: 14px; font-weight: 500;
  background: var(--gold); color: #1a1206; border: none; border-radius: 4px;
  padding: 15px 26px; cursor: pointer; transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--gold-soft); transform: translateY(-1px); }

/* ---- Who should apply ---- */
.who-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); }
.who-card { background: var(--bg); padding: 34px 26px 40px; position: relative; min-height: 220px; transition: background 0.25s; }
.who-card::before { content: ""; position: absolute; top: 0; left: 0; width: 30px; height: 2px; background: var(--gold); opacity: 0; transition: opacity 0.25s; }
.who-card:hover { background: var(--bg-2); }
.who-card:hover::before { opacity: 1; }
.who-card-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; color: var(--text-mute); margin-bottom: 40px; }
.who-card-title { font-size: 20px; font-weight: 500; line-height: 1.2; color: var(--text); margin-bottom: 14px; }
.who-card-body { font-size: 14px; line-height: 1.55; color: var(--text-dim); margin: 0; }

/* ---- Sovereignty ---- */
.sovereignty-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

/* ---- Application ---- */
.apply-form { display: flex; flex-direction: column; gap: 26px; max-width: 960px; }
.apply-row { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.af { display: flex; flex-direction: column; gap: 10px; }
.af-full { max-width: 960px; }
.af label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-mute); }
.af input, .af select, .af textarea {
  background: transparent; border: none; border-bottom: 1px solid var(--line-strong);
  padding: 10px 0; color: var(--text); font-family: var(--sans); font-size: 16px; outline: none; transition: border-color 0.2s;
}
.af input::placeholder, .af textarea::placeholder { color: var(--text-mute); }
.af input:focus, .af select:focus, .af textarea:focus { border-color: var(--gold); }
.af select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M3 5l3 3 3-3' stroke='%238b95a5' fill='none' stroke-width='1.2'/></svg>"); background-repeat: no-repeat; background-position: right 4px center; }
.af select option { background: var(--bg-2); color: var(--text); }
.af textarea { resize: vertical; min-height: 70px; }
.apply-actions { display: flex; align-items: center; gap: 28px; margin-top: 8px; }
.apply-note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-mute); }
.apply-error {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #d27a7a;
  margin-top: -8px;
}
.apply-sensitivity {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-dim);
  margin: 0 0 8px;
  max-width: 64ch;
}
.apply-sensitivity a { color: var(--accent, #c4a574); }
.hp-field {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}
.btn-primary:disabled { opacity: 0.55; cursor: wait; transform: none; }
.apply-success { text-align: center; padding: 60px 0; color: var(--text, #e8eef6); }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  .hardware-img, .solution-viz img { animation: none !important; }
}
.apply-success svg { color: var(--gold); margin-bottom: 20px; }
.apply-success h3 { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 32px; margin: 0 0 10px; }
.apply-success p { color: var(--text-dim); font-size: 16px; margin: 0; }

/* ---- Responsive for new sections ---- */
@media (max-width: 900px) {
  .topnav { display: none; }
  .sec { padding: 72px 20px; }
  .problem-grid, .hardware-grid, .founder-grid, .sovereignty-grid { grid-template-columns: 1fr; gap: 40px; }
  .solution-cols { grid-template-columns: 1fr; gap: 32px; }
  .who-grid { grid-template-columns: 1fr 1fr; }
  .apply-row { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 560px) {
  .who-grid { grid-template-columns: 1fr; }
}

/* ---- Mobile hero / dive stage ---- */
@media (max-width: 860px) {
  .dive-stage { height: 220vh; }
  .hero-pinned { padding: 0 20px; }
  .hero-pinned-left {
    position: absolute; left: 20px; right: 20px; bottom: auto; top: 96px;
    max-width: none;
  }
  .hero-pinned-right { display: none; }
  .hero-pinned-center { top: 62%; padding: 0; }
  .hero-title { font-size: clamp(32px, 9vw, 52px); }
  .hero-spec-card { display: none; }
  .hero-lead { font-size: 15px; max-width: none; }
  .hero-lead-sub { font-size: 13px; }
  .status-card, .sensor-panel, .concept-callouts, .field-overlay { display: none; }
  .altitude-badge { top: 74px; right: 20px; }
  .dive-readout { transform: scale(0.82); transform-origin: top left; }
}
@media (max-width: 560px) {
  .hero-eyebrow { font-size: 10px; }
  .sec-title { font-size: clamp(26px, 8vw, 38px); }
}