/* TracePort — marketing site
   Brand-matched to the app: ink #0f1117, signal blue #3b82f6 / #4da6ff,
   Space Grotesk (display) + DM Sans (body). */

:root{
  --ink:#0b0d14;          /* deepest background */
  --panel:#0f1117;        /* app sidebar tone */
  --panel-2:#141826;
  --line-dark:#1e2130;
  --accent:#3b82f6;
  --accent-bright:#4da6ff;
  --accent-hover:#2563eb;
  --accent-soft:rgba(59,130,246,.14);
  --success:#22c55e;
  --amber:#f59e0b;
  --surface:#f6f8fb;      /* light section bg */
  --card:#ffffff;
  --border:#e5e9f0;
  --ink-text:#111827;
  --muted:#6b7280;
  --muted-2:#9ca3af;
  --dark-text:#c7ccdc;
  --dark-muted:#7f879c;
  --radius:16px;
  --radius-sm:11px;
  --maxw:1180px;
  --shadow:0 18px 50px -22px rgba(15,23,42,.35);
  --shadow-blue:0 18px 60px -18px rgba(59,130,246,.55);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-body:'DM Sans',system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink-text);
  background:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.7rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-display);font-weight:600;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-bright)}
.muted{color:var(--muted)}
.center{text-align:center}
.grad-text{background:linear-gradient(100deg,#fff 0%,var(--accent-bright) 55%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.accent-text{color:var(--accent-bright)}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-display);font-weight:600;font-size:.95rem;
  padding:.85em 1.5em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .25s ease,background .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{border-color:var(--accent-bright);color:var(--accent-bright)}
.btn-dark{background:var(--ink-text);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-lg{padding:1.05em 1.9em;font-size:1.02rem}
.btn-sm{padding:.55em 1.05em;font-size:.85rem}

/* ── Top nav ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(11,13,20,.78);backdrop-filter:blur(14px);border-bottom-color:var(--line-dark)}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:700;font-size:1.22rem;color:#fff}
.brand .globe{width:26px;height:26px;color:var(--accent-bright)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-links a{color:var(--dark-text);font-size:.93rem;padding:.5em .8em;border-radius:9px;transition:color .15s,background .15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;margin-left:auto}

/* ── Hero ── */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;
  background:radial-gradient(1200px 700px at 70% -10%,rgba(59,130,246,.20),transparent 60%),var(--ink)}
#globe-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.hero-fallback{position:absolute;inset:0;z-index:0;background:
  radial-gradient(800px 500px at 75% 30%,rgba(77,166,255,.22),transparent 60%),
  radial-gradient(600px 600px at 20% 80%,rgba(59,130,246,.14),transparent 60%)}
.hero-inner{position:relative;z-index:3;padding:120px 0 80px;max-width:760px}
.hero h1{margin-bottom:.35em}
.hero-sub{font-size:clamp(1.05rem,1.8vw,1.32rem);color:var(--dark-text);max-width:620px;margin-bottom:1.8em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:.85rem;color:var(--dark-muted);margin-top:1.3em;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);border:1px solid rgba(77,166,255,.25);color:var(--accent-bright);
  font-family:var(--font-display);font-weight:600;font-size:.8rem;padding:.45em 1em;border-radius:999px;margin-bottom:1.4em}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:ping 1.8s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;color:var(--dark-muted);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-hint .mouse{width:22px;height:36px;border:2px solid var(--dark-muted);border-radius:12px;position:relative}
.scroll-hint .mouse::after{content:"";position:absolute;top:6px;left:50%;width:3px;height:7px;background:var(--accent-bright);border-radius:2px;transform:translateX(-50%);animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}

/* logos / trust strip */
.trust{background:var(--panel);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:26px 0;color:var(--dark-muted)}
.trust-row{display:flex;align-items:center;justify-content:center;gap:14px 40px;flex-wrap:wrap;font-family:var(--font-display);font-weight:600;font-size:.92rem}
.trust-row .ch{display:flex;align-items:center;gap:8px;opacity:.85}
.trust-row svg{width:18px;height:18px}

/* ── Section system ── */
.section{padding:96px 0;position:relative}
.section.dark{background:var(--panel);color:#fff}
.section.darker{background:var(--ink);color:#fff}
.section.light{background:var(--surface)}
.section.white{background:#fff}
.section.dark .muted,.section.darker .muted{color:var(--dark-muted)}
.sec-head{max-width:720px;margin:0 auto 56px;text-align:center}
.sec-head .eyebrow{display:block;margin-bottom:14px}
.sec-head p{font-size:1.08rem;color:var(--muted)}
.section.dark .sec-head p,.section.darker .sec-head p{color:var(--dark-text)}

/* ── Metrics ── */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.metric{background:linear-gradient(160deg,var(--panel-2),#0c0f18);border:1px solid var(--line-dark);border-radius:var(--radius);padding:30px 24px;text-align:center}
.metric .num{font-family:var(--font-display);font-weight:700;font-size:clamp(2.1rem,4vw,3rem);background:linear-gradient(120deg,#fff,var(--accent-bright));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.metric .lbl{color:var(--dark-text);font-size:.92rem;margin-top:10px}

/* ── Feature grid ── */
.f-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.f-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.f-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfdaf2}
.section.dark .f-card,.section.darker .f-card{background:var(--panel-2);border-color:var(--line-dark)}
.f-ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-bright);margin-bottom:16px}
.f-ico svg{width:24px;height:24px}
.f-card h3{font-size:1.12rem;margin-bottom:.4em}
.f-card p{font-size:.95rem;color:var(--muted);margin:0}
.section.dark .f-card p,.section.darker .f-card p{color:var(--dark-text)}

/* split feature rows */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split.rev .split-media{order:2}
.split-media{background:linear-gradient(160deg,var(--panel-2),#0a0d15);border:1px solid var(--line-dark);border-radius:var(--radius);padding:8px;box-shadow:var(--shadow-blue);overflow:hidden}
.split ul.ticks li{display:flex;gap:11px;align-items:flex-start;margin-bottom:13px;color:var(--dark-text)}
.section.light .split ul.ticks li,.section.white .split ul.ticks li{color:var(--ink-text)}
.split ul.ticks svg{flex:0 0 auto;width:20px;height:20px;color:var(--success);margin-top:3px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding:30px;border:1px solid var(--border);border-radius:var(--radius);background:#fff}
.section.dark .step{background:var(--panel-2);border-color:var(--line-dark)}
.step .n{font-family:var(--font-display);font-weight:700;font-size:1rem;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;margin-bottom:16px}
.step h3{font-size:1.15rem}
.step p{color:var(--muted);margin:0;font-size:.95rem}
.section.dark .step p{color:var(--dark-text)}

/* ── AI showcase panel ── */
.ai-hero{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line-dark);
  background:radial-gradient(700px 360px at 80% 0%,rgba(59,130,246,.28),transparent 60%),linear-gradient(160deg,#10131d,#0a0c13);
  padding:54px;color:#fff}
.ai-feats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.ai-feat{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.03);border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:18px}
.ai-feat svg{flex:0 0 auto;width:22px;height:22px;color:var(--accent-bright);margin-top:2px}
.ai-feat b{font-family:var(--font-display);display:block;margin-bottom:3px;font-size:1rem}
.ai-feat span{color:var(--dark-text);font-size:.9rem}

/* ── Pricing ── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px 28px;position:relative;transition:transform .25s,box-shadow .25s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan.feature{border:1.5px solid var(--accent);box-shadow:var(--shadow-blue)}
.plan .tag{position:absolute;top:-13px;left:28px;background:var(--accent);color:#fff;font-family:var(--font-display);font-weight:600;font-size:.74rem;letter-spacing:.05em;padding:.4em 1em;border-radius:999px}
.plan h3{font-size:1.3rem;margin-bottom:.2em}
.plan .price{font-family:var(--font-display);font-weight:700;font-size:2.1rem;color:var(--ink-text);line-height:1;margin:.3em 0}
.plan .price small{font-size:.95rem;font-weight:500;color:var(--muted)}
.plan .desc{color:var(--muted);font-size:.92rem;min-height:42px}
.plan ul{margin:20px 0 26px}
.plan ul li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;margin-bottom:11px}
.plan ul li svg{flex:0 0 auto;width:18px;height:18px;color:var(--success);margin-top:3px}
.plan .btn{width:100%;justify-content:center}

/* ── FAQ ── */
.faq{max-width:780px;margin:0 auto}
.qa{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff;overflow:hidden}
.section.dark .qa,.section.darker .qa{background:var(--panel-2);border-color:var(--line-dark)}
.qa summary{cursor:pointer;list-style:none;padding:20px 22px;font-family:var(--font-display);font-weight:600;font-size:1.04rem;display:flex;justify-content:space-between;align-items:center;gap:14px}
.qa summary::-webkit-details-marker{display:none}
.qa summary .chev{transition:transform .25s;flex:0 0 auto}
.qa[open] summary .chev{transform:rotate(180deg)}
.qa .a{padding:0 22px 20px;color:var(--muted)}
.section.dark .qa .a,.section.darker .qa .a{color:var(--dark-text)}

/* ── CTA band ── */
.cta-band{position:relative;border-radius:24px;overflow:hidden;text-align:center;padding:70px 30px;color:#fff;
  background:radial-gradient(600px 320px at 50% 0%,rgba(77,166,255,.3),transparent 65%),linear-gradient(160deg,#11141f,#0a0c13);border:1px solid var(--line-dark)}
.cta-band h2{margin-bottom:.3em}
.cta-band p{color:var(--dark-text);max-width:560px;margin:0 auto 1.8em}

/* ── Footer ── */
.footer{background:var(--ink);color:var(--dark-text);border-top:1px solid var(--line-dark);padding:64px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.footer h4{color:#fff;font-size:.95rem;letter-spacing:.04em;margin-bottom:16px}
.footer a{color:var(--dark-text);font-size:.92rem;display:block;padding:5px 0;transition:color .15s}
.footer a:hover{color:var(--accent-bright)}
.foot-about p{font-size:.92rem;max-width:320px}
.foot-bottom{border-top:1px solid var(--line-dark);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem;color:var(--dark-muted)}

/* ── Blog ── */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post-card .thumb{aspect-ratio:16/9;background:linear-gradient(140deg,#0f1117,#1b2540);display:grid;place-items:center;color:var(--accent-bright)}
.post-card .thumb svg{width:48px;height:48px;opacity:.85}
.post-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.post-card .body span{font-size:.78rem;color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.post-card .body h3{font-size:1.12rem;margin:.5em 0 .4em}
.post-card .body p{font-size:.92rem;color:var(--muted);margin:0 0 14px}
.post-card .body a{margin-top:auto;font-weight:600;color:var(--accent);font-family:var(--font-display);font-size:.9rem}
.article{max-width:760px;margin:0 auto;padding:118px 24px 80px}
.article h1{margin-bottom:.3em}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:34px}
.article h2{font-size:1.6rem;margin:1.7em 0 .5em}
.article h3{margin:1.4em 0 .4em}
.article p,.article li{font-size:1.05rem;color:#1f2937}
.article ul{list-style:disc;padding-left:1.3em;margin:0 0 1.2em}
.article ul li{margin-bottom:.5em}
.article .lead{font-size:1.18rem;color:#374151}
.article blockquote{border-left:3px solid var(--accent);padding:.4em 0 .4em 1.1em;margin:1.4em 0;color:#374151;font-style:italic}

/* breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--accent)}

/* page hero (inner pages) */
.page-hero{position:relative;color:#fff;padding:140px 0 70px;background:radial-gradient(900px 500px at 75% -10%,rgba(59,130,246,.22),transparent 60%),var(--ink);overflow:hidden}
.page-hero .eyebrow{margin-bottom:14px;display:block}
.page-hero p{color:var(--dark-text);max-width:620px;font-size:1.1rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--font-display);font-weight:600;font-size:.88rem;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:11px;font-family:var(--font-body);font-size:.96rem;background:#fff;color:var(--ink-text)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.info-row .ico{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:0 0 auto}
.info-row b{font-family:var(--font-display)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* custom cursor */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:9999;mix-blend-mode:difference}
.cursor-dot{width:7px;height:7px;background:#fff;transform:translate(-50%,-50%)}
.cursor-ring{width:34px;height:34px;border:1.5px solid rgba(255,255,255,.6);transform:translate(-50%,-50%);transition:width .18s,height .18s,border-color .18s,background .18s}
.cursor-ring.hot{width:52px;height:52px;border-color:var(--accent-bright);background:rgba(77,166,255,.12)}

/* ── Responsive ── */
@media (max-width:980px){
  .metrics{grid-template-columns:repeat(2,1fr)}
  .f-grid,.steps,.plans,.post-grid,.ai-feats{grid-template-columns:1fr 1fr}
  .split,.contact-grid{grid-template-columns:1fr;gap:30px}
  .split.rev .split-media{order:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-links,.scroll-hint{display:none}
  .nav-toggle{display:block}
  .nav-cta .btn-ghost{display:none}
  .nav.open .nav-links{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:rgba(11,13,20,.97);backdrop-filter:blur(14px);padding:14px 24px;border-bottom:1px solid var(--line-dark)}
  .nav.open .nav-links a{padding:12px 6px}
  .section{padding:70px 0}
  .f-grid,.steps,.plans,.post-grid,.metrics,.ai-feats,.foot-grid{grid-template-columns:1fr}
  .ai-hero{padding:32px 22px}
  .cursor-dot,.cursor-ring{display:none}
  .hero-inner{padding-top:100px}
}

/* ── Accessibility ── */
:focus-visible{outline:2px solid var(--accent-bright);outline-offset:3px}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none;transition:none}
  #globe-canvas{display:none}
  .hero-fallback{z-index:1}
}