:root {
  --ink: #eef2ff;
  --ink-2: rgba(238, 242, 255, .76);
  --ink-3: rgba(238, 242, 255, .52);
  --line: rgba(255, 255, 255, .14);
  --space: #03040c;
  --glass-1: rgba(13, 17, 38, .74);
  --glass-2: rgba(7, 9, 22, .6);

  --c-pbh: #ff9a52;
  --c-space: #5fd4ff;
  --c-sky: #8ec5ff;
  --c-mangrove: #3fdc8a;
  --c-peat: #e8bf4d;
  --c-coral: #ff6f91;
  --c-dlt: #ffd166;
  --c-winter: #8fd6ff;
  --c-echo: #5cf2c8;
  --c-fermi: #b9a7ff;
  --c-astro: #b996ff;
  --c-146: #ff9466;

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body: "Inter", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --gutter: clamp(16px, 5vw, 72px);
  --radius: 22px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--space);
  color: var(--ink);
  font: 400 16px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; letter-spacing: -.02em; margin: 0; }
p { margin: 0; }

/* ---------- fixed world ---------- */
#world { position: fixed; inset: 0; overflow: hidden; z-index: 0; background: var(--space); }
#world > * { position: absolute; }
#sky, #bigbang, #dust, #probe, #solar, #earth, #sats, #echo-scene, #terrain, #fx, #campus, #perm-scene, #whiteout { inset: 0; width: 100%; height: 100%; }
#galaxy {
  width: min(112vmin, 1180px); height: auto; aspect-ratio: 1;
  left: 30%; top: 30%;
  translate: -50% -50%;
  mix-blend-mode: screen;
  will-change: transform, opacity;
  pointer-events: none;
}
#bh-wrap {
  width: min(78vw, 1300px); aspect-ratio: 16 / 9;
  left: 66%; top: 47%;
  translate: -50% -50%;
  will-change: transform, opacity;
}
#bh { width: 100%; height: 100%; display: block; cursor: pointer; }
.bh-glow {
  position: absolute; inset: 12% 8%;
  background: radial-gradient(50% 42% at 50% 52%, rgba(255, 140, 70, .2), rgba(190, 70, 255, .08) 55%, transparent 75%);
  filter: blur(18px);
  pointer-events: none;
}
#earth, #sats, #echo-scene, #terrain, #fx, #campus, #perm-scene { opacity: 0; pointer-events: none; }
#echo-scene { visibility: hidden; }
#probe { pointer-events: none; visibility: hidden; }
#bigbang, #dust, #solar { pointer-events: none; }
#solar { visibility: hidden; }
#dust { visibility: hidden; }
#earth { transform-origin: 50% 50%; will-change: transform, filter; }
#perm-scene { visibility: hidden; }
#terrain, #fx { visibility: hidden; }
#campus svg { width: 100%; height: 100%; display: block; }
#whiteout { background: #f4f9ff; opacity: 0; pointer-events: none; }

.world-tag, .marker {
  position: absolute; left: 0; top: 0;
  display: flex; align-items: center; gap: 8px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .06em;
  color: #fff; text-decoration: none; white-space: nowrap;
  opacity: 0; pointer-events: none;
  will-change: transform, opacity;
}
.world-tag span, .marker span {
  padding: 6px 10px; border-radius: 999px;
  background: rgba(6, 10, 26, .62); border: 1px solid color-mix(in srgb, var(--accent) 60%, transparent);
  backdrop-filter: blur(6px);
}
.world-tag i, .marker i {
  width: 10px; height: 10px; border-radius: 50%; flex: none;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent), 0 0 18px var(--accent);
  animation: ping 2.4s ease-out infinite;
}
.marker { flex-direction: column; gap: 6px; }
.marker i { order: 2; }
@keyframes ping {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 70%, transparent), 0 0 18px var(--accent); }
  70% { box-shadow: 0 0 0 14px transparent, 0 0 18px var(--accent); }
  100% { box-shadow: 0 0 0 0 transparent, 0 0 18px var(--accent); }
}
.world-tag.is-on, .marker.is-on { pointer-events: auto; }

/* ---------- chrome ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  pointer-events: none;
}
.topbar a { pointer-events: auto; text-decoration: none; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 40px; height: 40px; display: block; filter: drop-shadow(0 2px 10px rgba(0,0,0,.55)); transition: transform .3s; }
.brand:hover .brand-logo { transform: rotate(-6deg) scale(1.06); }
.footer-mark { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.footer-mark canvas { width: 66px; height: 66px; }
.footer-mark p { font: 500 11px/1.4 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.footer-mark b { color: #fff; font-weight: 600; }
.brand-mark {
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 11px;
  font: 700 14px/1 var(--f-display); letter-spacing: .02em;
  background: conic-gradient(from 210deg, var(--c-pbh), var(--c-coral), var(--c-space), var(--c-mangrove), var(--c-peat), var(--c-pbh));
  color: #06081a;
}
.brand-name { font: 600 15px/1 var(--f-display); letter-spacing: .01em; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
}
.topnav { display: flex; gap: 6px; align-items: center; }
.topnav a {
  font: 500 13px/1 var(--f-body); color: var(--ink-2);
  padding: 9px 13px; border-radius: 999px;
  background: rgba(6, 9, 24, .38); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.08);
  transition: color .2s, background .2s;
}
.topnav a:hover { color: #fff; background: rgba(6, 9, 24, .65); }
.topnav .topnav-cta { color: #1a1300; background: var(--c-dlt); border-color: transparent; font-weight: 600; }
.topnav .topnav-cta:hover { background: #ffe08f; color: #1a1300; }
.topnav .topnav-cta--echo { background: var(--c-echo); color: #032019; }
.topnav .topnav-cta--echo:hover { background: #93f7dc; color: #032019; }
.topnav .topnav-cta--pbh { background: var(--c-pbh); color: #2a1200; }
.topnav .topnav-cta--pbh:hover { background: #ffb57f; color: #2a1200; }

.hud {
  position: fixed; right: var(--gutter); top: 50%; z-index: 15;
  translate: 0 -50%;
  display: flex; flex-direction: column; align-items: flex-end; gap: 18px;
  font-family: var(--f-mono);
}
.hud-read { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; text-shadow: 0 1px 10px rgba(0,0,0,.6); }
.hud-label { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.hud-value { font-size: 15px; font-weight: 500; color: #fff; font-variant-numeric: tabular-nums; }
.hud-track { list-style: none; margin: 0; padding: 0 0 0 0; display: flex; flex-direction: column; gap: 22px; position: relative; }
.hud-track::before { content: ""; position: absolute; right: 4px; top: 4px; bottom: 4px; width: 1px; background: rgba(255,255,255,.22); }
.hud-track a { display: flex; align-items: center; justify-content: flex-end; gap: 10px; text-decoration: none; color: var(--ink-3); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; transition: color .25s; }
.hud-track a span { opacity: 0; translate: 6px 0; transition: opacity .25s, translate .25s; }
.hud:hover .hud-track a span, .hud-track a.is-active span { opacity: 1; translate: 0 0; }
.hud-track a.is-active { color: #fff; }
.hud-track b { order: 2; width: 9px; height: 9px; border-radius: 50%; border: 1px solid rgba(255,255,255,.55); background: rgba(3,4,12,.6); transition: background .25s, border-color .25s; }
.hud-track a.is-active b { background: #fff; border-color: #fff; box-shadow: 0 0 12px rgba(255,255,255,.8); }
.hud-needle { display: none; }

/* ---------- content flow ---------- */
#content { position: relative; z-index: 10; pointer-events: none; }
#content a, #content .card, #content .footer { pointer-events: auto; }
.chapter { position: relative; }
.beat {
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: 96px var(--gutter);
}
.beat--left { justify-content: flex-start; }
.beat--right { justify-content: flex-end; padding-right: calc(var(--gutter) + 120px); }
.beat--center { justify-content: center; flex-direction: column; text-align: center; }
.beat--spacer { min-height: 90vh; }
.beat--short { min-height: 55vh; }
.beat--clouds { min-height: 150vh; }
.beat--dive { min-height: 120vh; }
.beat--solar { min-height: 140vh; }
.overline--left { text-align: left; max-width: 26rem; }
.overline--left h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); }

.hero {
  align-self: flex-end;
  max-width: 40rem;
  padding-bottom: 4vh;
}
.beat--hero { position: relative; align-items: flex-end; }
.eyebrow, .tag {
  font: 500 11px/1.2 var(--f-mono); letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent, var(--c-pbh));
}
.eyebrow { color: var(--ink-3); margin-bottom: 18px; }
.hero h1 {
  font-size: clamp(3.2rem, 9vw, 7.6rem); line-height: .92; font-weight: 700; letter-spacing: -.045em;
  background: linear-gradient(100deg, #fff 30%, #ffd9b8 55%, #c9b6ff 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 4px 30px rgba(0,0,0,.45));
}
.hero-lede { margin-top: 22px; font: 500 clamp(1.15rem, 2.2vw, 1.6rem)/1.3 var(--f-display); color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,.6); }
.hero-roles span { white-space: nowrap; }
.hero-roles { margin-top: 14px; color: var(--ink-2); font-size: .95rem; text-shadow: 0 1px 10px rgba(0,0,0,.7); }
.scroll-cue {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 38px;
  font: 500 11px/1 var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-2); text-decoration: none;
}
.scroll-cue i { width: 22px; height: 36px; border-radius: 12px; border: 1.5px solid rgba(255,255,255,.55); position: relative; }
.scroll-cue i::after { content: ""; position: absolute; left: 50%; top: 8px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: #fff; animation: wheel 1.8s ease-in-out infinite; }
@keyframes wheel { 0% { opacity: 0; translate: 0 -3px; } 30% { opacity: 1; } 100% { opacity: 0; translate: 0 10px; } }

.bh-label {
  position: absolute; right: calc(var(--gutter) + 120px); top: 76vh;
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  color: #ffe2c8; padding: 10px 14px; border-radius: 999px;
  background: rgba(10, 6, 20, .5); border: 1px solid rgba(255, 154, 82, .45); backdrop-filter: blur(8px);
  transition: background .2s, border-color .2s;
}
.bh-label:hover { background: rgba(40, 18, 30, .7); border-color: var(--c-pbh); }
.bh-label i { width: 8px; height: 8px; border-radius: 50%; background: var(--c-pbh); box-shadow: 0 0 12px var(--c-pbh); }

/* ---------- cards ---------- */
.card {
  position: relative;
  width: min(100%, 31rem);
  padding: 30px 30px 28px;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--glass-1), var(--glass-2));
  border: 1px solid var(--line);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .75), inset 0 1px 0 rgba(255,255,255,.08);
  text-align: left;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 20%, transparent));
}
.card::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 28%, transparent), transparent 70%);
  pointer-events: none;
}
.card .tag { margin-bottom: 14px; }
.card h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); line-height: 1.08; margin-bottom: 12px; }
.card-head { font: 500 1.08rem/1.35 var(--f-display); color: var(--accent); margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: .97rem; }
.card .fine { margin-top: 12px; font-size: .8rem; color: var(--ink-3); }
.facts { list-style: none; padding: 0; margin: 20px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 8px; }
.facts li { padding: 10px 12px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.07); font-size: .78rem; color: var(--ink-3); line-height: 1.35; }
.facts b { display: block; font: 600 1rem/1.2 var(--f-display); color: #fff; margin-bottom: 2px; }
.cta {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 22px;
  padding: 12px 18px; border-radius: 999px;
  background: var(--accent); color: #07091a; text-decoration: none;
  font: 600 .95rem/1 var(--f-display); letter-spacing: .01em;
  box-shadow: 0 10px 30px -10px var(--accent);
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.cta:hover { transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 16px 36px -10px var(--accent); }
.cta span { transition: transform .2s; }
.cta:hover span { transform: translate(2px, -2px); }
a:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

.card--mission { width: min(100%, 44rem); text-align: center; }
.card--mission blockquote { margin: 0; font: 500 clamp(1.2rem, 2.3vw, 1.6rem)/1.4 var(--f-display); color: #fff; letter-spacing: -.01em; }
.chips { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.chips li { font-size: .8rem; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); color: var(--ink-2); }
.karman {
  width: 100%; display: flex; align-items: center; gap: 16px; margin-bottom: 40px;
  font: 500 11px/1 var(--f-mono); letter-spacing: .24em; text-transform: uppercase; color: rgba(190, 225, 255, .9);
}
.karman::before, .karman::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(150, 210, 255, .7), transparent); }

.overline { max-width: 42rem; text-shadow: 0 2px 24px rgba(0, 20, 40, .6); }
.overline .tag { margin-bottom: 14px; }
.overline h2 { font-size: clamp(2rem, 5vw, 3.6rem); line-height: 1.02; color: #fff; }
.overline-sub { margin-top: 16px; font-size: 1.05rem; color: var(--ink); text-shadow: 0 1px 14px rgba(0, 8, 28, .95), 0 0 2px rgba(0, 8, 28, .8); }
.beat--sky { justify-content: flex-start; padding-top: 20vh; }

.beat--trio { justify-content: center; padding-right: calc(var(--gutter) + 110px); }
.beat--trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-content: center; }
.card--compact { width: auto; padding: 26px 24px 24px; display: flex; flex-direction: column; }
.card--compact h2 { font-size: clamp(1.35rem, 2vw, 1.6rem); }
.card--compact p:not(.tag) { font-size: .93rem; }
.card--compact .cta { margin-top: auto; align-self: flex-start; }
.card--compact p:not(.tag) + .cta { margin-top: 22px; }

/* ---------- footer ---------- */
.beat--footer { align-items: flex-end; padding-bottom: 48px; }
.footer {
  width: 100%; max-width: 1100px; margin: 0 auto; padding: 36px clamp(20px, 4vw, 44px) 26px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(8, 12, 30, .78), rgba(5, 8, 22, .7)); border: 1px solid var(--line);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.footer-lede { font: 600 clamp(1.6rem, 4vw, 2.8rem)/1.1 var(--f-display); letter-spacing: -.02em; margin-bottom: 44px; text-shadow: 0 2px 20px rgba(0,0,0,.5); }
.footer-contact { display: flex; flex-wrap: wrap; gap: 10px; margin: -22px 0 30px; }
.contact-btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 11px 16px; border-radius: 999px;
  font: 500 .95rem/1 var(--f-body); color: #fff; text-decoration: none;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16);
  transition: background .2s, border-color .2s, transform .2s;
}
.contact-btn:hover { background: rgba(255, 255, 255, .14); border-color: rgba(255, 255, 255, .35); transform: translateY(-1px); }
.contact-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
.contact-btn .in { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 4px; background: #fff; color: #0b1020; font: 700 11px/1 var(--f-body); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.footer-grid h3 { font: 500 11px/1 var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.footer-grid a { display: block; text-decoration: none; color: var(--ink); padding: 4px 0; font-size: .97rem; }
.footer-grid a:hover { color: var(--c-dlt); }
.footer-meta { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: space-between; padding-top: 20px; font-size: .82rem; color: var(--ink-3); }
.footer-meta a { text-decoration: none; color: var(--ink-2); }
.footer-meta a:hover { color: #fff; }

/* ---------- loading ---------- */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 50; background: var(--space);
  pointer-events: none; transition: opacity 1.2s ease;
}
body:not(.is-loading)::after { opacity: 0; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .topnav a:not(.topnav-cta) { display: none; }
  .beat--right { padding-right: var(--gutter); }
  .bh-label { right: var(--gutter); }
  .beat--trio { grid-template-columns: 1fr; padding-right: var(--gutter); max-width: 34rem; margin: 0 auto; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hud { top: auto; bottom: 16px; right: auto; left: var(--gutter); translate: none; align-items: flex-start; }
  .hud-read { align-items: flex-start; flex-direction: row; gap: 10px; align-items: baseline; padding: 8px 12px; border-radius: 999px; background: rgba(3, 5, 16, .55); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,.1); }
  .hud-value { font-size: 12px; }
  .hud-track { display: none; }
}
@media (max-width: 760px) {
  #galaxy { width: 120vw; left: 50%; top: 20%; }
  #bh-wrap { width: 175vw; left: 50%; top: 35%; }
  .beat { padding: 80px var(--gutter); }
  .beat--hero { padding-bottom: 72px; }
  .beat--sky { padding-top: 14vh; }
  .bh-label { display: none; }
  .topnav a.topnav-cta { padding: 9px 11px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .card { padding: 24px 20px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .beat--left, .beat--right { justify-content: center; }
}

@media (max-width: 420px) {
  .brand-name { display: none; }
}