/* trackk — Direction A "Night Instrument" design system (website-spec.md) */
:root{
  --ink:#070809; --panel:#0c0e10; --panel2:#101316;
  --line:rgba(255,255,255,.1); --line2:rgba(255,255,255,.18);
  --text:#eef2ee; --muted:#b1bac2; --lime:#c6ff3d; --limedim:rgba(198,255,61,.35);
  --mono:"Space Mono",monospace; --sans:"Sora",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--ink);color:var(--text);font-family:var(--sans);overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:16px 4vw;background:rgba(7,8,9,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wm img{height:19px}
.nav .links{display:flex;gap:26px;align-items:center;font:400 11.5px var(--mono);letter-spacing:.14em;
  color:var(--muted);text-transform:uppercase}
.nav .links a:hover{color:var(--text)}
.nav .links a.on{color:var(--text);border-bottom:1px solid var(--lime);padding-bottom:2px}
.nav .apply{background:var(--lime);color:var(--ink);font:700 12px var(--sans);letter-spacing:.02em;
  padding:10px 18px;border-radius:7px;text-transform:none}
@media(max-width:760px){.nav .links a:not(.apply){display:none}}

/* buttons */
.btn{display:inline-block;background:var(--lime);color:var(--ink);font:700 15px var(--sans);
  padding:15px 26px;border-radius:8px;cursor:pointer;border:0}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line2);font-weight:600}
.btn.ghost:hover{border-color:var(--text)}

/* type helpers */
.eyebrow{font:700 11px var(--mono);letter-spacing:.3em;text-transform:uppercase;color:var(--lime)}
.h-xl{font-size:clamp(38px,6vw,68px);font-weight:800;letter-spacing:-.03em;line-height:1.02}
.h-lg{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.025em;line-height:1.06}
.h-lg b,.h-xl b{color:var(--lime)}
.lede{font:400 13.5px/1.75 var(--mono);color:var(--muted)}
.plain{font:300 16px/1.7 var(--sans);color:#c7cdc7}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;overflow:hidden}
.hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hero .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,9,.25),rgba(7,8,9,.95) 90%)}
.hero .inner{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 4vw 62px;
  display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.hero .ctas{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}

/* HUD card */
.hud{background:rgba(7,8,9,.82);border:1px solid var(--limedim);border-radius:12px;padding:16px 20px;font-family:var(--mono)}
.hud .v{color:var(--lime);font-size:34px;font-weight:700;line-height:1}
.hud .l{color:var(--muted);font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;margin-top:5px}

/* fact strip */
.strip{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip>div{flex:1 1 200px;background:var(--ink);padding:18px 4vw 18px 4vw;font:400 10.5px var(--mono);
  letter-spacing:.16em;color:var(--muted);text-transform:uppercase}
.strip b{display:block;color:var(--text);font:600 15px var(--sans);letter-spacing:0;text-transform:none;margin-top:5px}

/* sections */
.sec{max-width:1200px;margin:0 auto;padding:90px 4vw 30px}
.sec .head{max-width:640px;margin-bottom:44px}
.sec .head p{margin-top:14px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card .media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card .media img,.card .media video{width:100%;height:100%;object-fit:cover}
.card .body{padding:20px 22px 24px}
.card .body h4{font-size:19px;font-weight:800;letter-spacing:-.01em}
.card .body h4 b{color:var(--lime)}
.card .body p{margin-top:8px;font:300 13.5px/1.65 var(--sans);color:#b9c0b9}
.badge{display:inline-block;font:700 10px var(--mono);letter-spacing:.18em;color:var(--lime);
  border:1px solid var(--limedim);border-radius:6px;padding:5px 9px;text-transform:uppercase;margin-bottom:12px}
.badge.est{color:#ffb84d;border-color:rgba(255,184,77,.4)}

/* program banner */
.progBanner{margin:90px auto 0;max-width:1200px;padding:0 4vw}
.progBanner .in{background:linear-gradient(120deg,#10150a,#0c0e10 60%);border:1px solid var(--limedim);
  border-radius:16px;padding:34px 36px;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap}
.progBanner h3{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.02em}
.progBanner h3 b{color:var(--lime)}
.progBanner p{margin-top:8px}

/* footer */
footer{margin-top:110px;border-top:1px solid var(--line)}
footer .in{max-width:1200px;margin:0 auto;padding:44px 4vw;display:flex;justify-content:space-between;
  gap:26px;flex-wrap:wrap;align-items:center}
footer img{height:16px;opacity:.9}
footer .cols{display:flex;gap:28px;font:400 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
footer .cols a:hover{color:var(--text)}
footer .fine{font:400 10.5px var(--mono);color:#5c625c;letter-spacing:.08em}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .full{grid-column:1/-1}
.form label{display:block;font:700 10px var(--mono);letter-spacing:.22em;text-transform:uppercase;color:#c6ced4;margin-bottom:7px}
.form input,.form select,.form textarea{width:100%;background:var(--panel2);border:1px solid var(--line2);
  border-radius:8px;color:var(--text);font:400 14px var(--sans);padding:13px 14px;outline:none}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--lime)}
.form textarea{min-height:90px;resize:vertical}
.tierPick{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tierPick label{display:block;border:1px solid var(--line2);border-radius:10px;padding:16px;cursor:pointer;
  font:600 13.5px var(--sans);letter-spacing:0;text-transform:none;color:var(--text)}
.tierPick label small{display:block;font:400 11.5px var(--mono);color:var(--muted);margin-top:6px;letter-spacing:.04em}
.tierPick input{display:none}
.tierPick label.on{border-color:var(--lime);background:rgba(198,255,61,.06)}
@media(max-width:700px){.form{grid-template-columns:1fr}.tierPick{grid-template-columns:1fr}}
.formNote{font:400 11px var(--mono);color:var(--muted);letter-spacing:.06em;margin-top:12px;line-height:1.7}
.okMsg{display:none;border:1px solid var(--limedim);border-radius:10px;padding:18px;font:400 13px var(--mono);color:var(--lime)}

/* ---------- accessibility + integration (web handoff requirements) ---------- */
/* visible keyboard focus on every interactive element */
a:focus-visible,button:focus-visible,input:focus-visible,
select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}
/* skip link for keyboard + screen-reader users */
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--lime);color:var(--ink);
  padding:12px 18px;font:700 14px var(--sans);border-radius:0 0 8px 0}
.skip:focus{left:0}
/* secondary nav CTA (Log in → dash.trackk.ai) */
.nav .login{color:var(--text);border:1px solid var(--line2);border-radius:7px;
  padding:9px 15px;font:600 12px var(--sans);letter-spacing:.02em;text-transform:none}
.nav .login:hover{border-color:var(--lime);color:var(--lime)}
@media(max-width:760px){.nav .links a.login{display:inline-block}}
/* reduced motion: keep the page static and let the hero use its first frame */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
}