/* ============================================================
   STRIATE — marketing site
   Mirrors the locked in-app Design Language v1 (2026-07-12).
   Volt #B8E430 on OLED black · Archivo Expanded / Hanken / Space Mono
   · hairlines not boxes · segmented (countable) striation bars.
   ============================================================ */

/* ---- Tokens (from Design/STRIATE-DESIGN-LANGUAGE.md) ---- */
:root {
  --bg:#000000;
  --surface-in:#10141C;
  --surface-rs:#14181F;
  --hair:#12161E;
  --hair-2:#1D232E;
  --txt:#F3F5F9;
  --txt-2:#AAB3C2;
  --mut:#727C8D;
  --ink:#000000;

  --acc:#B8E430;              /* VOLT — action, PR, hit, brand */
  --acc-deep:#93BA20;
  --acc-ghost:rgba(184,228,48,.12);
  --warn:#FF9D4D;
  --rest:#A78BFA;            /* violet — rest only */
  --danger:#FF3B46;

  --maxw:1080px;
  --pad:20px;

  --f-display:'Archivo', system-ui, sans-serif;
  --f-body:'Hanken Grotesk', system-ui, sans-serif;
  --f-mono:'Space Mono', ui-monospace, monospace;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--txt-2);
  font-family:var(--f-body);
  font-weight:500;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--acc);text-decoration:none}
a:hover{color:var(--acc-deep)}
::selection{background:var(--acc);color:var(--ink)}

/* ---- Typography helpers ---- */
.display{
  font-family:var(--f-display);
  font-weight:900;
  font-stretch:125%;                       /* Expanded */
  font-variation-settings:'wght' 900,'wdth' 125;
  color:var(--txt);
  line-height:1.02;
  letter-spacing:.01em;
}
.eyebrow{
  font-family:var(--f-mono);
  font-weight:700;
  font-size:11px;
  letter-spacing:1.8px;
  text-transform:uppercase;
  color:var(--mut);
}
.eyebrow.volt{color:var(--acc)}
.lede{font-size:1.15rem;color:var(--txt-2);max-width:56ch}
.tabnum{font-variant-numeric:tabular-nums}

/* ---- Layout ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
section{padding:76px 0}
.hair{border:0;border-top:1px solid var(--hair-2)}
.center{text-align:center}

/* ---- Wordmark ---- */
.wordmark{
  font-family:var(--f-display);
  font-weight:900;font-stretch:125%;
  font-variation-settings:'wght' 900,'wdth' 125;
  letter-spacing:.06em;
  color:var(--txt);
  font-size:20px;
  display:inline-flex;align-items:center;gap:9px;
}
.wordmark .ate{color:var(--acc)}
.wordmark img{width:26px;height:26px}

/* ---- Header ---- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(0,0,0,.72);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--hair-2);
}
header.site .bar{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;
}
header.site nav{display:flex;align-items:center;gap:26px}
header.site nav a.navlink{
  font-family:var(--f-mono);font-weight:400;font-size:12px;
  letter-spacing:1.2px;text-transform:uppercase;color:var(--txt-2);
}
header.site nav a.navlink:hover{color:var(--txt)}
@media(max-width:720px){
  header.site nav a.navlink{display:none}
}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--f-display);font-weight:900;font-stretch:110%;
  font-variation-settings:'wght' 900,'wdth' 112;
  letter-spacing:.02em;
  font-size:14px;
  padding:0 22px;height:48px;border-radius:10px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .06s ease, background .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--acc);color:var(--ink)}
.btn-primary:hover{background:var(--acc-deep);color:var(--ink)}
.btn-quiet{background:var(--surface-in);color:var(--txt);border-color:var(--hair-2)}
.btn-quiet:hover{color:var(--txt);border-color:var(--mut)}
.btn-sm{height:40px;font-size:13px;padding:0 16px}

/* ---- Hero ---- */
.hero{padding:88px 0 64px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{font-size:clamp(2.6rem,6vw,4.2rem);margin:16px 0 18px}
.hero .lede{margin-bottom:28px;font-size:1.2rem}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-note{font-family:var(--f-mono);font-size:11px;letter-spacing:.5px;color:var(--mut);margin-top:16px}

/* faint striation backdrop on the right of hero */
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,transparent 0 38px,var(--hair) 38px 39px);
  opacity:.5;mask-image:linear-gradient(90deg,transparent 55%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 55%,#000 100%);
}
.hero-grid{position:relative;z-index:1}

/* ---- Instrument-panel mock (stands in for screenshots) ---- */
.panel{
  background:var(--bg);
  border:1px solid var(--hair-2);
  border-radius:16px;
  padding:20px;
  box-shadow:0 0 0 1px rgba(0,0,0,.4);
}
.panel .cluster{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-bottom:1px solid var(--hair-2);padding-bottom:16px;margin-bottom:16px;
}
.panel .cluster .col{padding:0 12px;text-align:center}
.panel .cluster .col + .col{border-left:1px solid var(--hair-2)}
.panel .cluster .num{
  font-family:var(--f-display);font-weight:900;font-stretch:118%;
  font-variation-settings:'wght' 900,'wdth' 118;
  font-size:24px;color:var(--txt);font-variant-numeric:tabular-nums;line-height:1.1;
}
.panel .cluster .num.volt{color:var(--acc)}
.panel .cluster .lab{font-family:var(--f-mono);font-size:9.5px;letter-spacing:1.4px;text-transform:uppercase;color:var(--mut);margin-top:4px}

.vrow{display:flex;align-items:center;gap:12px;padding:9px 0}
.vrow .name{flex:0 0 92px;font-weight:700;color:var(--txt);font-size:13.5px}
.vrow .count{flex:0 0 40px;text-align:right;font-family:var(--f-mono);font-size:11px;color:var(--txt-2);font-variant-numeric:tabular-nums}
/* striation bar — the brand element: segmented, countable */
.stri{flex:1;display:flex;gap:4px;align-items:center}
.seg{height:14px;flex:1;border-radius:2px;background:var(--hair)}
.seg.on{background:var(--acc)}
.seg.warn{background:var(--warn)}

.coachcard{
  margin-top:16px;border-left:3px solid var(--acc);
  background:var(--acc-ghost);border-radius:0 8px 8px 0;
  padding:12px 14px;
}
.coachcard .h{font-family:var(--f-mono);font-size:9.5px;letter-spacing:1.4px;text-transform:uppercase;color:var(--acc);margin-bottom:5px}
.coachcard .b{font-size:13.5px;color:var(--txt-2)}
.coachcard .b b{color:var(--txt)}

/* ---- Feature grid ---- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hair-2);border:1px solid var(--hair-2);border-radius:14px;overflow:hidden}
@media(max-width:880px){.features{grid-template-columns:1fr}}
.feat{background:var(--bg);padding:26px 22px}
.feat .k{font-family:var(--f-mono);font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--acc);margin-bottom:10px}
.feat h3{font-family:var(--f-display);font-weight:800;font-stretch:112%;font-variation-settings:'wght' 800,'wdth' 112;color:var(--txt);font-size:1.15rem;margin-bottom:8px;line-height:1.15}
.feat p{font-size:.96rem;color:var(--txt-2)}

/* ---- Section heading ---- */
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.6rem);margin:12px 0 10px}

/* ---- Trust band (what you won't find) ---- */
.wont{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.4px;
  color:var(--txt);background:var(--surface-in);
  border:1px solid var(--hair-2);border-radius:999px;padding:8px 15px;
}
.chip .x{color:var(--danger);margin-right:7px;font-weight:700}

/* ---- CTA band ---- */
.ctaband{
  border:1px solid var(--hair-2);border-radius:16px;
  padding:44px 36px;text-align:center;
  background:
    radial-gradient(120% 140% at 50% -20%, var(--acc-ghost), transparent 60%);
}
.ctaband h2{font-size:clamp(1.8rem,4vw,2.4rem);margin-bottom:12px}
.ctaband p{max-width:52ch;margin:0 auto 24px}

/* ---- Footer ---- */
footer.site{border-top:1px solid var(--hair-2);padding:40px 0 56px;margin-top:20px}
footer.site .row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-start}
footer.site .flinks{display:flex;gap:22px;flex-wrap:wrap}
footer.site a.fl{font-family:var(--f-mono);font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--txt-2)}
footer.site a.fl:hover{color:var(--txt)}
footer.site .fine{font-family:var(--f-mono);font-size:11px;color:var(--mut);letter-spacing:.4px;margin-top:18px;line-height:1.7}

/* ============================================================
   Legal / document pages
   ============================================================ */
.doc{max-width:760px;margin:0 auto;padding:56px var(--pad) 40px}
.doc .eyebrow{margin-bottom:12px}
.doc h1{font-size:clamp(2rem,5vw,2.8rem);margin-bottom:8px}
.doc .meta{font-family:var(--f-mono);font-size:12px;color:var(--mut);letter-spacing:.4px;margin-bottom:8px;line-height:1.9}
.doc h2{font-family:var(--f-display);font-weight:800;font-stretch:112%;font-variation-settings:'wght' 800,'wdth' 112;color:var(--txt);font-size:1.35rem;margin:34px 0 12px;padding-top:22px;border-top:1px solid var(--hair)}
.doc h2:first-of-type{border-top:0;padding-top:0}
.doc h3{color:var(--txt);font-size:1.05rem;font-weight:700;margin:22px 0 8px}
.doc p{margin:0 0 14px;color:var(--txt-2)}
.doc ul{margin:0 0 16px;padding-left:22px}
.doc li{margin:0 0 9px;color:var(--txt-2)}
.doc strong,.doc b{color:var(--txt);font-weight:700}
.doc .callout{
  background:var(--surface-in);border:1px solid var(--hair-2);
  border-left:3px solid var(--acc);border-radius:0 10px 10px 0;
  padding:14px 16px;margin:0 0 26px;font-size:.95rem;color:var(--txt-2);
}
.doc table{width:100%;border-collapse:collapse;margin:6px 0 22px;font-size:.92rem}
.doc th,.doc td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--hair-2);vertical-align:top}
.doc th{font-family:var(--f-mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--mut);font-weight:700}
.doc td{color:var(--txt-2)}
.backlink{display:inline-flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--mut);margin-bottom:26px}
.backlink:hover{color:var(--txt)}

/* FAQ */
.faq details{border-bottom:1px solid var(--hair-2);padding:16px 0}
.faq summary{cursor:pointer;list-style:none;color:var(--txt);font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--acc);font-family:var(--f-mono);font-size:1.2rem}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px}