:root{
  --bg:#081020;
  --glow:#193760;
  --ink:#eef4f8;
  --muted:#b1c0cd;
  --faint:#8698a8;
  --teal:#1e6e82;
  --cyan:#54d6c4;
  --aqua:#6fe0d2;
  --line:rgba(120,160,180,.16);
  --maxw:1120px;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Inter",system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* centered shell keeps everything anchored on ultrawide screens */
.shell{max-width:var(--maxw);margin:0 auto;padding:0 clamp(22px,4vw,40px)}

/* ---------- ambient background ---------- */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none}
.bg-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(70% 60% at 16% 4%, var(--glow) 0%, transparent 50%),
    radial-gradient(60% 55% at 88% 96%, rgba(30,110,130,.24) 0%, transparent 55%),
    linear-gradient(165deg,#0c1a32 0%,var(--bg) 52%,#060c17 100%);
}
.bg-grain{
  position:absolute;inset:0;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- nav ---------- */
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0 22px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:30px;height:auto;filter:drop-shadow(0 2px 10px rgba(84,214,196,.18))}
.brand-word{font-family:var(--serif);font-size:1.42rem;font-weight:600;letter-spacing:.005em}
.brand-fi{color:var(--cyan)}
.nav-right{display:flex;align-items:center;gap:18px}
.social{
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--faint);transition:color .2s ease,transform .2s ease;
}
.social:hover{color:var(--aqua);transform:translateY(-1px)}
.social svg{display:block}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:.94rem;font-weight:500;line-height:1;
  padding:.8em 1.4em;border-radius:10px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;cursor:pointer;
}
.btn-ghost{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:rgba(111,224,210,.45);color:#fff}
/* Active primary style — swap the disabled Launch App button for this when the app is live */
.btn-primary{
  color:#04121a;border:none;
  background:linear-gradient(120deg,var(--teal) 0%,var(--cyan) 60%,var(--aqua) 100%);
  box-shadow:0 6px 22px -8px rgba(84,214,196,.5);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 28px -8px rgba(111,224,210,.6)}
.btn-disabled{
  color:var(--faint);background:rgba(122,150,166,.10);border-color:var(--line);
  cursor:not-allowed;box-shadow:none;
}
.btn-disabled:hover{transform:none;box-shadow:none}
.btn:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}
a:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:6px}

/* ---------- hero ---------- */
.hero{
  display:grid;grid-template-columns:1.02fr .98fr;align-items:center;
  gap:clamp(28px,4vw,56px);
  min-height:clamp(520px,74vh,720px);
  padding:clamp(28px,4vw,56px) 0 clamp(28px,4vw,52px);
}
.eyebrow{
  font-family:var(--mono);font-size:.82rem;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--aqua);
  margin:0 0 22px;
}
.headline{
  font-family:var(--serif);font-weight:500;
  font-size:clamp(2.7rem,5vw,4.4rem);line-height:1.04;letter-spacing:-.012em;
  margin:0 0 24px;color:var(--ink);
}
.swash{position:relative;font-style:italic;color:#fff;white-space:nowrap}
.swash::after{
  content:"";position:absolute;left:.02em;right:-4%;bottom:-.14em;height:.07em;
  background:linear-gradient(90deg,var(--teal),var(--cyan) 48%,var(--aqua) 72%,transparent 100%);
  border-radius:2px;transform-origin:left;
  animation:draw 1s cubic-bezier(.2,.7,.2,1) .45s both;
}
@keyframes draw{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.sub{
  font-size:clamp(1.04rem,1.25vw,1.2rem);color:var(--muted);line-height:1.6;
  max-width:42ch;margin:0 0 32px;
}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}

/* hero visual */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center}
.visual-glow{
  position:absolute;width:64%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(84,214,196,.24) 0%,rgba(30,110,130,.10) 44%,transparent 70%);
  filter:blur(28px);animation:breathe 18s ease-in-out infinite;will-change:opacity,transform;
}
.loop{
  position:relative;width:min(100%,500px);height:auto;
  mix-blend-mode:screen;
  -webkit-mask-image:radial-gradient(62% 60% at 50% 52%,#000 42%,rgba(0,0,0,.55) 68%,transparent 84%);
  mask-image:radial-gradient(62% 60% at 50% 52%,#000 42%,rgba(0,0,0,.55) 68%,transparent 84%);
  filter:drop-shadow(0 16px 46px rgba(84,214,196,.18));
  animation:drift 26s ease-in-out infinite;will-change:transform;
}
@keyframes drift{
  0%   {transform:translateY(-6px) rotate(-0.5deg)}
  50%  {transform:translateY(6px)  rotate(0.5deg)}
  100% {transform:translateY(-6px) rotate(-0.5deg)}
}
@keyframes breathe{
  0%   {opacity:.72;transform:scale(.99)}
  50%  {opacity:.96;transform:scale(1.02)}
  100% {opacity:.72;transform:scale(.99)}
}

/* ---------- overview ---------- */
.overview{
  padding:clamp(44px,5vw,68px) 0 clamp(52px,5vw,76px);
  border-top:1px solid var(--line);
}
.section-kicker{
  font-family:var(--mono);font-size:.82rem;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--faint);
  margin:0 0 34px;
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,3.5vw,52px)}
.pillar-label{
  font-family:var(--serif);font-weight:500;font-size:1.36rem;line-height:1.2;
  margin:0 0 12px;color:var(--ink);
}
.pillar-text{font-size:1.03rem;color:var(--muted);line-height:1.6;margin:0;max-width:32ch}
.note{
  font-family:var(--mono);font-size:.86rem;letter-spacing:.02em;color:var(--faint);
  margin:clamp(38px,5vw,56px) 0 0;
}

/* ---------- footer ---------- */
.foot{
  padding:26px 0 40px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.brand-word.small{font-size:1.16rem;font-weight:600}
.foot-right{display:flex;align-items:center;gap:18px}
.foot-meta{font-family:var(--mono);font-size:.84rem;letter-spacing:.03em;color:var(--faint)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1240px){:root{--maxw:1080px}}

@media (max-width:900px){
  .hero{
    grid-template-columns:1fr;min-height:auto;
    padding:8px 0 8px;gap:22px;text-align:left;
  }
  .hero-visual{order:-1}
  .loop{width:min(88%,420px)}
  .sub{max-width:54ch}
  .grid{grid-template-columns:1fr 1fr;gap:30px 34px}
}

@media (max-width:600px){
  .grid{grid-template-columns:1fr;gap:28px}
  .headline{font-size:clamp(2.4rem,9vw,3rem)}
  .sub{max-width:none}
  .nav{padding:20px 0}
  .loop{width:min(92%,360px)}
  .cta-row .btn{flex:1 1 auto}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .swash::after{transform:none}
}