:root{
  --ink:#0a0a0a; --paper:#ffffff; --panel:#f1f1ef; --line:#d9d9d6; --hair:#eaeae7;
  --mute:#686963; --faint:#9a9a95; --night:#050505; --snow:#fafafa; --go:#16a34a;
  --maxw:1360px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,sans-serif;letter-spacing:-0.035em;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

@keyframes drop{from{opacity:0;transform:translateY(-26px)}to{opacity:1;transform:translateY(0)}}
@keyframes pop{from{opacity:0;transform:scale(.01)}to{opacity:1;transform:scale(1)}}
@keyframes twinkle{0%,100%{opacity:1}50%{opacity:.85}}
@keyframes reveal{from{opacity:0;transform:translateY(-24px)}to{opacity:1;transform:translateY(0)}}
.drop{animation:drop 1.1s cubic-bezier(.34,1.25,.64,1) both}
.pop{animation:pop 1s cubic-bezier(.34,1.4,.64,1) both}
.d1{animation-delay:.1s}.d2{animation-delay:.22s}.d3{animation-delay:.34s}
.d4{animation-delay:.46s}.d5{animation-delay:.58s}.d6{animation-delay:.7s}
.reveal{animation:reveal .9s cubic-bezier(.34,1.2,.64,1) both}
@supports (animation-timeline: view()){
  .reveal{animation:reveal linear both;animation-timeline:view();animation-range:entry 0% entry 38%}
}

/* dark starfield sections */
.night{position:relative;overflow:hidden;background:var(--night);color:var(--snow)}
@keyframes pan{from{transform:scale(1.08) translate3d(0,0,0)}to{transform:scale(1.08) translate3d(-20px,-12px,0)}}
.sky{position:absolute;inset:0;background-image:url(space.jpg);background-size:cover;
  background-position:center 42%;animation:pan 44s ease-in-out infinite alternate,twinkle 7s ease-in-out infinite}
.veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,5,5,.3) 0%,rgba(5,5,5,.05) 45%,rgba(5,5,5,.55) 100%)}
.night .wrap{position:relative;z-index:2}

/* glass */
.glass{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10)}

/* type */
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-0.05em;line-height:.98}
h1{font-size:clamp(46px,6.4vw,84px)}
h2{font-size:clamp(38px,5vw,66px)}
h3{font-size:26px;letter-spacing:-0.045em}
p{margin:0;line-height:1.45}
.lede{font-size:17px;font-weight:500;color:var(--mute);max-width:520px}
.night .lede{color:rgba(255,255,255,.72)}
.kicker{font-size:12px;font-weight:600;color:var(--mute)}
.night .kicker{color:rgba(255,255,255,.6)}
.sub{font-size:15px;font-weight:500;color:var(--mute)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 22px;
  border:0;border-radius:999px;background:var(--ink);color:#fff;font:inherit;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:transform .35s cubic-bezier(.89,.11,.4,1.01),background .3s,border-color .3s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn.light{background:rgba(255,255,255,.94);color:var(--ink)}
.btn.line{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.night .btn.line{border-color:rgba(255,255,255,.25);color:var(--snow)}
.btn.sm{min-height:40px;padding:0 16px;font-size:13px}
.dots{display:flex;gap:3px}
.dots i{width:4px;height:4px;border-radius:50%;background:currentColor;display:block}
.dots i:first-child{opacity:.4}

/* nav */
.nav{display:flex;justify-content:space-between;align-items:center;padding:22px 0;gap:16px;flex-wrap:wrap}
.mark{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.navlinks{display:flex;gap:22px;font-size:13px;font-weight:500}
.night .navlinks a{color:rgba(255,255,255,.7)}
.night .navlinks a:hover{color:#fff}

/* rows */
.row{display:grid;grid-template-columns:1.1fr 1.6fr 0.8fr 52px;gap:24px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--line);transition:background .3s}
.row:hover{background:#f7f7f5}
.plus{justify-self:end;width:36px;height:36px;border-radius:50%;border:1px solid var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;
  transition:transform .55s cubic-bezier(.89,.11,.4,1.01)}
details[open] .plus{transform:rotate(45deg);background:var(--ink);color:#fff}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}

/* cards */
.card{border:1px solid var(--line);border-radius:24px;padding:26px;display:flex;
  flex-direction:column;gap:18px;transition:transform .45s cubic-bezier(.34,1.2,.64,1),border-color .3s}
.card:hover{transform:translateY(-3px);border-color:#c4c4bf}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px}
.big{font-size:52px;font-weight:600;letter-spacing:-0.05em;line-height:1}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* forms */
label{font-size:12px;font-weight:600;color:var(--mute)}
.night label{color:rgba(255,255,255,.6)}
input,textarea,select{width:100%;min-height:50px;padding:0 16px;border-radius:16px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;
  letter-spacing:-0.02em;font-size:15px;transition:border-color .25s}
textarea{padding:12px 16px;min-height:90px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--ink)}
.night input,.night textarea{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff}
.night input:focus{border-color:rgba(255,255,255,.45)}
.night input::placeholder{color:rgba(255,255,255,.4)}
.field{display:flex;flex-direction:column;gap:6px}

/* badge */
.new{display:inline-flex;align-items:center;gap:5px;padding:3px 9px 3px 7px;border-radius:999px;
  background:#e8f7ec;color:#0b7a33;font-size:11px;font-weight:700;letter-spacing:0}
.new i{width:6px;height:6px;border-radius:50%;background:var(--go);display:block}

.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12px;font-weight:500;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;margin-top:44px}
.wordmark{font-size:clamp(56px,11vw,160px);font-weight:600;letter-spacing:-0.05em;line-height:.9}

.hide{display:none!important}
.err{font-size:13px;font-weight:500;color:#b3261e}
.night .err{color:#ffb3a3}

@media(max-width:860px){
  .wrap{padding:0 20px}
  .grid3,.grid2{grid-template-columns:1fr}
  .row{grid-template-columns:1fr auto;gap:12px}
  .row .sub{grid-column:1/-1}
  .navlinks{display:none}
}