/* TRACER marketing site — shared tokens from the investor deck */
:root{
  --bg:#000; --surface:#0A0A0A; --surface-2:#151515;
  --border:#1A1A1A; --border-strong:#2A2A2A;
  --text:#F5F5F5; --text-body:#E8E8E8; --muted:#A0A0A0; --dim:#7A7A7A; --faint:#6A6A6A;
  --accent:#4ADE80; --accent-on-dark:#021208; --accent-dim:#2A4A30;
  --sans:'Inter',-apple-system,system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --max:1120px;
}

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

.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}

/* ===== header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(0,0,0,.82);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.site-header .inner{
  display:flex;align-items:center;justify-content:space-between;
  height:calc(56px + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);
  width:min(var(--max),calc(100% - 32px));margin-inline:auto;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:500;letter-spacing:-.02em}
.brand img{height:28px;width:auto}
.site-nav{display:flex;align-items:center;gap:28px}
.site-nav a{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);transition:color .15s}
.site-nav a:hover{color:var(--accent)}
.nav-cta{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--border-strong);border-radius:999px;padding:8px 14px;color:var(--text);
  transition:border-color .15s,background .15s;
}
.nav-cta:hover{border-color:var(--accent-dim);background:var(--surface-2)}
.menu-btn{
  display:none;appearance:none;border:0;background:transparent;color:var(--text);
  width:44px;height:44px;border-radius:8px;cursor:pointer;
}
.menu-btn svg{width:22px;height:22px}

/* ===== type ===== */
.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);margin-bottom:20px;
}
h1.hero-title{font-weight:300;font-size:clamp(42px,8vw,88px);letter-spacing:-.04em;line-height:1;color:var(--text)}
h2.section-title{font-weight:400;font-size:clamp(28px,5vw,48px);letter-spacing:-.03em;line-height:1.08;max-width:18ch;color:var(--text)}
h2.section-title.wide{max-width:none}
h2 .accent{color:var(--accent)}
.lede{font-size:clamp(18px,2.4vw,26px);font-weight:300;color:var(--text-body);letter-spacing:-.01em;line-height:1.35;max-width:42ch;margin-top:20px}
.body{font-size:18px;color:var(--text-body);line-height:1.55;max-width:52ch}
.body+.body{margin-top:14px}
.note{margin-top:16px;font-size:15px;color:var(--dim);max-width:56ch}
.note .accent{color:var(--accent)}

/* ===== sections ===== */
.site-main{padding-top:calc(56px + env(safe-area-inset-top))}
.section{padding:clamp(64px,10vw,120px) 0;border-top:1px solid var(--border)}
.section:first-child{border-top:0}
.section.alt{background:var(--surface)}

/* hero */
.hero{min-height:calc(100vh - 56px);min-height:calc(100dvh - 56px);display:flex;align-items:center;padding:48px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-copy .sub{font-size:16px;color:var(--muted);margin-top:18px;line-height:1.5}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  border-radius:999px;padding:14px 22px;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,border-color .2s,background .2s;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:var(--accent-on-dark);font-weight:500}
.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{border-color:var(--border-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent-dim);background:var(--surface-2)}
.hero-visual{
  aspect-ratio:3/4;border-radius:20px;overflow:hidden;border:1px solid var(--border);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.8);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}

/* grids / cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:28px}
.stat{background:var(--surface-2);border:1px solid var(--border);border-radius:16px;padding:24px 20px;display:flex;flex-direction:column;gap:10px;min-height:160px;transition:transform .25s ease,border-color .25s,box-shadow .25s}
.stat:hover{transform:translateY(-3px);border-color:var(--accent-dim);box-shadow:0 12px 28px -16px rgba(0,0,0,.8),0 0 20px -8px rgba(74,222,128,.15)}
.stat .v{font-size:clamp(28px,4vw,38px);font-weight:300;letter-spacing:-.03em;color:var(--accent);line-height:1}
.stat .v.sm{font-size:clamp(20px,3vw,26px)}
.stat .l{font-size:13px;color:var(--muted);line-height:1.45;margin-top:auto}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.pillar{background:var(--surface-2);border:1px solid var(--border);border-radius:16px;padding:28px;transition:transform .25s ease,border-color .25s}
.pillar:hover{transform:translateY(-3px);border-color:var(--accent-dim)}
.pillar .k{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.pillar .t{font-size:18px;color:var(--text);line-height:1.4}

ul.clean{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:14px}
ul.clean li{font-size:18px;color:var(--text-body);line-height:1.45;padding-left:22px;position:relative;max-width:60ch}
ul.clean li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;background:var(--accent);border-radius:2px}

.media-row{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;margin-top:28px}
.asset{border:1px dashed var(--border-strong);border-radius:16px;background:var(--surface-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--dim);text-align:center;padding:24px}
.asset.soon{border-style:solid;border-color:var(--border);background:var(--surface)}
.asset .badge{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.asset .spec{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.2em;text-transform:uppercase}
.asset.video{aspect-ratio:16/9}
.asset.frame{aspect-ratio:3/4}
.steps{margin-top:24px;font-family:var(--mono);font-size:14px;color:var(--muted);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.steps .arw{color:var(--accent)}
.steps .cap{color:var(--text)}

.second-act{margin-top:28px;border-left:2px solid var(--accent-dim);padding:6px 0 6px 20px;max-width:56ch}
.second-act .k{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.second-act .t{font-size:16px;color:var(--muted);line-height:1.5}

/* build carousel — hero-scale execution story */
.section-build{
  padding-bottom:clamp(48px,8vw,80px);
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(74,222,128,.06), transparent 60%),
    var(--bg);
  border-top:1px solid var(--border);
}
.build-header{margin-bottom:36px}
.build-carousel{margin-top:8px}
.build-carousel-viewport{
  overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.build-carousel-viewport::-webkit-scrollbar{display:none}
.build-track{display:flex}
.build-slide{
  flex:0 0 100%;scroll-snap-align:start;scroll-snap-stop:always;
  padding:0 clamp(16px,4vw,32px) 32px;
}
.build-slide-inner{
  display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:clamp(28px,5vw,56px);
  align-items:center;max-width:var(--max);margin-inline:auto;
  background:var(--surface);border:1px solid var(--border);border-radius:24px;
  padding:clamp(24px,4vw,40px);
  box-shadow:0 32px 80px -32px rgba(0,0,0,.75);
}
.build-visual .tl-frame{aspect-ratio:3/4;border-radius:16px}
.build-visual .tl-frame{max-height:min(520px,62vh)}
.build-visual .tl-frame img{object-fit:cover}
.build-meta{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.build-date{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--accent)}
.build-ver{font-size:clamp(32px,5vw,48px);font-weight:300;letter-spacing:-.03em;line-height:1;color:var(--text)}
.build-text{font-size:clamp(15px,2vw,18px);line-height:1.55;color:var(--muted);max-width:48ch}
.build-text b{color:var(--text-body);font-weight:500}

.build-controls{
  display:flex;align-items:center;justify-content:center;gap:12px;margin-top:28px;
}
.build-arrow{
  flex:none;width:48px;height:48px;border-radius:50%;border:1px solid var(--border-strong);
  background:var(--surface-2);color:var(--text);font-size:28px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .2s,background .2s,transform .15s;-webkit-tap-highlight-color:transparent;
}
.build-arrow:hover{border-color:var(--accent-dim);background:var(--surface)}
.build-arrow:active{transform:scale(.94)}
.build-progress{
  display:flex;gap:6px;flex-wrap:wrap;justify-content:center;
  max-width:min(720px,100%);
}
.build-pill{
  appearance:none;border:1px solid var(--border);background:var(--surface);
  border-radius:12px;padding:10px 14px;cursor:pointer;text-align:left;
  display:flex;flex-direction:column;gap:2px;min-width:72px;
  transition:border-color .2s,background .2s,transform .15s;-webkit-tap-highlight-color:transparent;
}
.build-pill:hover{border-color:var(--accent-dim);background:var(--surface-2)}
.build-pill.on{border-color:var(--accent);background:rgba(74,222,128,.08)}
.build-pill .pill-ver{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text)}
.build-pill.on .pill-ver{color:var(--accent)}
.build-pill .pill-date{font-family:var(--mono);font-size:10px;color:var(--dim);letter-spacing:.04em}
.build-counter{
  margin-top:16px;text-align:center;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--dim);
}
.build-counter b{color:var(--accent);font-weight:500}

/* shared tl-media (carousel + any legacy) */
.tl-media{width:100%}
.tl-frame{position:relative;width:100%;aspect-ratio:3/4;border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.tl-view{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .3s ease}
.tl-view img{width:100%;height:100%;object-fit:cover;display:block}
.tl-media[data-view="closed"] .tl-closed{opacity:1;visibility:visible}
.tl-media[data-view="internal"] .tl-internal{opacity:1;visibility:visible}
.tl-toggle{display:inline-flex;margin-top:12px;border:1px solid var(--border-strong);border-radius:999px;overflow:hidden;background:var(--surface-2)}
.tl-toggle button{appearance:none;border:0;background:transparent;cursor:pointer;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);
  padding:8px 16px;line-height:1;transition:color .18s,background .18s;-webkit-tap-highlight-color:transparent}
.tl-toggle button.on{background:var(--accent);color:var(--accent-on-dark);font-weight:500}
.tl-toggle.tl-single{background:transparent;border-color:transparent}
.tl-toggle.tl-single button{cursor:default;color:var(--dim);background:transparent;padding-left:0}
.foot-note{margin-top:32px;font-size:13px;color:var(--dim);font-family:var(--mono);letter-spacing:.02em;line-height:1.5}

/* contact / footer */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-top:12px}
.contact-card{background:var(--surface-2);border:1px solid var(--border);border-radius:16px;padding:28px}
.contact-card dt{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:8px}
.contact-card dd{font-size:17px;color:var(--text-body)}
.contact-card dd a{color:var(--accent)}
.site-footer{border-top:1px solid var(--border);padding:28px 0 calc(28px + env(safe-area-inset-bottom));color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.footer-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:var(--dim);transition:color .15s}
.footer-links a:hover{color:var(--accent)}

/* mobile nav drawer */
.nav-drawer{
  display:none;position:fixed;inset:0;z-index:49;background:rgba(0,0,0,.92);
  padding:calc(72px + env(safe-area-inset-top)) 24px 24px;flex-direction:column;gap:18px;
}
.nav-drawer.open{display:flex}
.nav-drawer a{font-family:var(--mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--text);padding:8px 0;border-bottom:1px solid var(--border)}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{max-width:360px}
  .stats{grid-template-columns:1fr 1fr}
  .pillars{grid-template-columns:1fr}
  .media-row{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .site-nav{display:none}
  .menu-btn{display:flex;align-items:center;justify-content:center}
  .build-slide-inner{grid-template-columns:1fr;gap:24px}
  .build-visual{max-width:340px;margin-inline:auto}
  .build-copy{text-align:left}
  .build-ver{font-size:28px}
  .build-arrow{width:44px;height:44px;font-size:24px}
  .build-progress{gap:4px}
  .build-pill{min-width:64px;padding:8px 10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .stat,.pillar,.btn{transition:none}
  .stat:hover,.pillar:hover{transform:none}
}