:root {
  --bg: #050818;
  --bg-2: #0a0e2a;
  --bg-3: #070b22;
  --fg: #ffffff;
  --fg-muted: rgba(255,255,255,.65);
  --fg-dim: rgba(255,255,255,.45);
  --line: rgba(255,255,255,.08);
  --line-2: rgba(255,255,255,.12);
  --glow: #F2920A;
  --accent: #E9501E;
  --warm: #FFD9B5;
  --max: 1240px;
  --pad: 32px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg { display: block; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.18); border-radius: 4px; }
::-webkit-scrollbar-track { background: transparent; }

.accent { color: var(--glow); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); position: relative; }

/* === NAV === */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(5,8,24,.6);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav__logo { height: 72px; width: auto; }
.nav__links { display: flex; gap: 4px; }
.nav__item {
  position: relative;
  font-size: 13px; padding: 8px 14px;
  color: rgba(255,255,255,.6);
  transition: color .2s;
}
.nav__item:hover, .nav__item.is-active { color: #fff; }
.nav__item:hover::after, .nav__item.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: -2px;
  height: 1px; background: var(--glow);
}
.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; padding: 9px 16px; border-radius: 99px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
}
.nav__cta:hover { background: rgba(255,255,255,.08); }

/* === Arrow === */
.arrow { width: 13px; height: 13px; }
.arrow path { stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.arrow--dark path { stroke: var(--bg-2); }
.arrow--accent path { stroke: var(--glow); }

/* === Eyebrow === */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.7); font-weight: 500;
}
.eyebrow--center { justify-content: center; display: inline-flex; }
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 6px;
  background: var(--glow); box-shadow: 0 0 8px var(--glow);
}

/* === Hero === */
.hero {
  position: relative; padding: 80px var(--pad) 140px; overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(242,146,10,.13), transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(233,80,30,.10), transparent 60%),
    linear-gradient(180deg, #050818 0%, #0a0e2a 60%, #0f1438 100%);
}
.hero__stars { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero__horizon {
  position: absolute; bottom: -200px; left: 50%; transform: translateX(-50%);
  width: 1800px; height: 600px; pointer-events: none;
}
.hero__grid {
  position: relative; z-index: 1;
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center;
}
.hero__title {
  font-size: clamp(40px, 5.6vw, 76px); line-height: 1.04;
  font-weight: 500; letter-spacing: -0.025em; margin: 18px 0 22px;
}
.hero__body {
  font-size: 17px; line-height: 1.55; color: var(--fg-muted);
  max-width: 520px; margin: 0;
}
.hero__ctas { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero__meta {
  display: flex; align-items: center; gap: 16px; margin: 42px 0 0;
  font-size: 13px; color: rgba(255,255,255,.55);
  font-variant-numeric: tabular-nums;
}
.hero__meta div { display: inline-flex; align-items: baseline; gap: 6px; }
.hero__meta dt, .hero__meta dd { display: inline; margin: 0; }
.hero__meta-sep { width: 1px; height: 14px; background: rgba(255,255,255,.15); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px; border-radius: 99px; cursor: pointer;
  font-size: 14px; font-weight: 500; letter-spacing: -0.005em;
  transition: transform .2s, background .2s, box-shadow .2s;
}
.btn--primary {
  background: var(--glow); color: var(--bg-2);
  border: none; font-weight: 600;
}
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(242,146,10,.35); }
.btn--ghost {
  background: rgba(255,255,255,.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
}
.btn--ghost:hover { background: rgba(255,255,255,.10); }

/* hero vessel */
.hero__vessel { position: relative; aspect-ratio: 1 / 1; width: 100%; }
.hero__vessel-anim { position: absolute; inset: 0; animation: argoFloat 7s ease-in-out infinite; }
.vessel { width: 100%; height: 100%; overflow: visible; }
.orbit-tag {
  position: absolute; font-size: 10px; letter-spacing: .16em; color: rgba(255,255,255,.65);
  padding: 4px 8px; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12); border-radius: 99px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}

@keyframes argoFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes pulseGlow { 0%, 100% { opacity: .4; } 50% { opacity: 1; } }

/* === Sections === */
.section { padding: 120px var(--pad); position: relative; }
.section--tight-top { padding-top: 40px; }
.section--bottom { padding-bottom: 140px; }
.section__head { max-width: 780px; }
.section__head--center { text-align: center; margin: 0 auto 64px; }
.section__head--center .body-muted { margin-top: 18px; }

.h2 {
  font-size: clamp(32px, 3.6vw, 52px); line-height: 1.08;
  font-weight: 500; letter-spacing: -0.02em; margin: 14px 0 0;
}
.body-muted { font-size: 16px; line-height: 1.6; color: var(--fg-muted); margin: 0; }

/* === Pillars === */
.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: rgba(255,255,255,.08);
  border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
}
.pillar { padding: 34px 30px 38px; background: var(--bg-3); }
.pillar__num { font-size: 11px; letter-spacing: .18em; font-weight: 600; color: var(--glow); }
.pillar__title { font-size: 20px; font-weight: 500; line-height: 1.25; letter-spacing: -0.01em; margin: 18px 0 12px; }
.pillar__body { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,.6); margin: 0; }

/* === Hub === */
.hub { position: relative; height: 620px; max-width: 1080px; margin: 0 auto; }
.hub__lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hub__center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); z-index: 2;
  width: min(420px, 42%);
}
.hub__center-inner {
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px; padding: 24px 26px;
  box-shadow: 0 0 0 1px rgba(242,146,10,.33), 0 0 60px rgba(242,146,10,.20), inset 0 0 40px rgba(242,146,10,.10);
}
.hub__ping { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.hub__pulse {
  width: 7px; height: 7px; border-radius: 7px;
  background: var(--glow); box-shadow: 0 0 8px var(--glow);
  animation: pulseGlow 1.8s infinite;
}
.hub__label { font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.6); }
.hub__brand { display: flex; align-items: center; gap: 14px; }
.hub__icon { width: 48px; height: 48px; flex-shrink: 0; }
.hub__title { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.hub__sub { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 2px; line-height: 1.4; }
.hub__chips { display: flex; gap: 8px; margin-top: 18px; flex-wrap: wrap; }

.chip {
  display: inline-block; padding: 4px 9px;
  font-size: 10px; letter-spacing: .14em;
  color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 99px; font-weight: 500;
}
.chip--sm { font-size: 9px; opacity: 0.7; }

.hub__sat {
  position: absolute; width: 30%; min-width: 240px;
  padding: 22px 22px 20px; border-radius: 14px;
  background: rgba(8,12,38,.85);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  transition: all .25s;
  color: rgba(255,255,255,.85);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  z-index: 1;
}
.hub__sat:hover, .hub__sat.is-active {
  border-color: var(--glow);
  box-shadow: 0 0 0 1px var(--glow), 0 18px 60px rgba(242,146,10,.13);
  transform: translateY(-4px);
  color: var(--glow);
  z-index: 3;
}
.hub__sat-row { display: flex; justify-content: space-between; align-items: flex-start; }
.hub__sat-icon { width: 42px; height: 42px; }
.hub__sat-icon svg { width: 100%; height: 100%; }
.hub__sat-name { font-size: 18px; font-weight: 600; margin-top: 14px; letter-spacing: -0.005em; color: #fff; }
.hub__sat-desc { font-size: 13px; line-height: 1.55; color: rgba(255,255,255,.6); margin: 8px 0 0; }
.hub__sat-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px; font-size: 12px; color: var(--glow); font-weight: 500;
}

/* === Audience accordion === */
.who-head { display: flex; align-items: baseline; gap: 24px; margin-bottom: 48px; flex-wrap: wrap; }
.who-head .h2 { margin: 0; }
.who-head .body-muted { max-width: 520px; margin: 0; }
.accordion { display: flex; flex-direction: column; gap: 8px; }
.acc-item {
  border-radius: 14px; padding: 4px 24px;
  border: 1px solid rgba(255,255,255,.08);
  cursor: pointer; transition: all .25s;
}
.acc-item.is-open {
  background: linear-gradient(180deg, rgba(242,146,10,.06), transparent);
  border-color: rgba(242,146,10,.33);
}
.acc-hd { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.acc-hd__row { display: flex; align-items: center; gap: 18px; flex: 1; }
.acc-tag {
  font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.45); font-weight: 500;
  min-width: 90px;
}
.acc-item.is-open .acc-tag { color: var(--glow); }
.acc-title { font-size: 19px; font-weight: 500; margin: 0; letter-spacing: -0.01em; transition: font-size .25s; }
.acc-item.is-open .acc-title { font-size: 22px; }
.acc-toggle { font-size: 18px; color: rgba(255,255,255,.4); transition: transform .25s, color .25s; }
.acc-item.is-open .acc-toggle { color: var(--glow); transform: rotate(45deg); }
.acc-body { overflow: hidden; max-height: 0; opacity: 0; transition: max-height .35s, opacity .35s; }
.acc-item.is-open .acc-body { max-height: 200px; opacity: 1; }
.acc-body p { font-size: 15px; line-height: 1.6; color: rgba(255,255,255,.7); margin: 8px 0 22px; max-width: 680px; padding-left: 108px; }

/* === Knowledge === */
.knowledge__head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 40px; flex-wrap: wrap; gap: 16px;
}
.knowledge__head .h2 { margin-top: 10px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 500; color: var(--glow); }
.knowledge__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post {
  display: block; padding: 18px;
  border-radius: 14px;
  background: rgba(255,255,255,.02);
  border: 1px solid rgba(255,255,255,.1);
  transition: all .25s;
  color: inherit;
}
.post:hover { border-color: rgba(242,146,10,.4); transform: translateY(-3px); }
.post__media {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(242,146,10,.10), rgba(233,80,30,.15));
  margin-bottom: 18px;
}
.post__kicker {
  position: absolute; top: 10px; left: 10px;
  font-size: 10px; letter-spacing: .16em; color: var(--glow); font-weight: 600;
  padding: 4px 8px; background: rgba(0,0,0,.35); border-radius: 4px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  z-index: 2;
}
.post__title { font-size: 18px; font-weight: 500; margin: 0; letter-spacing: -0.01em; line-height: 1.3; }
.post__meta { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 10px; }

/* === Join CTA === */
.join {
  position: relative; overflow: hidden;
  padding: 80px 60px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(242,146,10,.06), rgba(233,80,30,.04));
  border: 1px solid rgba(255,255,255,.1);
}
.join__stars { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .25; pointer-events: none; }
.join__cluster {
  position: absolute; right: -60px; top: -60px;
  width: 280px; height: 280px; opacity: .4;
  background: radial-gradient(circle at 50% 50%, rgba(242,146,10,.6), transparent 60%);
  filter: blur(2px);
}
.join__copy { position: relative; z-index: 1; max-width: 680px; }
.join__copy .body-muted { margin-top: 18px; max-width: 540px; }
.join__copy .hero__ctas { margin-top: 26px; }

/* === Footer === */
.footer {
  padding: 80px var(--pad) 40px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: #04061a;
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__logo { height: 84px; width: auto; }
.footer__about {
  font-size: 13px; line-height: 1.6; color: rgba(255,255,255,.5);
  max-width: 340px; margin-top: 18px;
}
.footer__hd {
  font-size: 11px; letter-spacing: .18em;
  color: rgba(255,255,255,.55); margin-bottom: 14px;
}
.footer__grid a {
  display: block; font-size: 13px; color: rgba(255,255,255,.75);
  padding: 5px 0;
}
.footer__grid a:hover { color: var(--glow); }
.footer__legal {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0 8px; font-size: 12px; color: rgba(255,255,255,.4);
  flex-wrap: wrap; gap: 10px;
}
.footer__legal-links { display: flex; gap: 18px; }

/* === Modal === */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s;
}
.modal[hidden] { display: none; }
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal__backdrop {
  position: absolute; inset: 0;
  background: rgba(2,4,14,.72);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.modal__panel {
  position: relative;
  width: 100%; max-width: 520px;
  background: linear-gradient(180deg, #0a0e2a 0%, #060920 100%);
  border: 1px solid rgba(242,146,10,.22);
  border-radius: 18px;
  padding: 40px 40px 36px;
  box-shadow: 0 0 0 1px rgba(242,146,10,.10), 0 30px 80px rgba(0,0,0,.55), inset 0 0 60px rgba(242,146,10,.05);
  transform: translateY(12px) scale(.98);
  transition: transform .35s cubic-bezier(.2,.7,.3,1);
}
.modal.is-open .modal__panel { transform: translateY(0) scale(1); }
.modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer;
  color: rgba(255,255,255,.55);
  border-radius: 99px;
  transition: color .2s, background .2s;
}
.modal__close:hover { color: var(--glow); background: rgba(255,255,255,.05); }
.modal__close svg { width: 18px; height: 18px; }
.modal__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: .18em; color: rgba(255,255,255,.7); font-weight: 500;
  margin-bottom: 16px;
}
.modal__title {
  font-size: clamp(26px, 3.2vw, 34px);
  line-height: 1.12; font-weight: 500; letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.modal__body { font-size: 15px; line-height: 1.6; color: var(--fg-muted); margin: 0 0 26px; }
.modal__ctas { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 480px) {
  .modal__panel { padding: 32px 24px 28px; }
}

/* === Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--d, 0ms) cubic-bezier(.2,.7,.3,1),
              transform .7s var(--d, 0ms) cubic-bezier(.2,.7,.3,1);
}
.reveal.is-shown { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__vessel-anim, .hub__pulse { animation: none; }
}

/* === Responsive === */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; gap: 60px; }
  .hero__vessel { max-width: 480px; margin: 0 auto; }
  .pillars { grid-template-columns: 1fr; }
  .knowledge__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .nav__links { display: none; }
  .hub { height: auto; min-height: 0; display: flex; flex-direction: column; gap: 16px; }
  .hub__lines { display: none; }
  .hub__center { position: relative; top: auto; left: auto; transform: none; width: 100%; }
  .hub__sat { position: relative; top: auto !important; left: auto !important; width: 100%; }
  .acc-body p { padding-left: 0; }
  .section { padding: 80px var(--pad); }
  .join { padding: 60px 32px; }
}

@media (max-width: 640px) {
  .hero { padding: 60px var(--pad) 100px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .nav__cta span { display: none; }
}