/* ==========================================================================
   AutoTrackPro — shared design system
   Palette: near-black workshop ink + redline-amber signature + diagnostic cyan
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (data & labels)
   ========================================================================== */

:root{
  --ink:        #0B0E11;
  --surface:    #14181D;
  --surface-2:  #1B2027;
  --surface-3:  #20262E;
  --line:       #262C34;
  --line-soft:  #1E242B;
  --text:       #F3F1EC;
  --text-dim:   #9BA3AE;
  --text-faint: #6B7480;
  --accent:     #FF5A1F;
  --accent-2:   #E14A15;
  --cyan:       #2BD9C9;
  --success:    #33C481;
  --radius-s:   8px;
  --radius-m:   14px;
  --radius-l:   22px;
  --max:        1180px;
  --shadow:     0 20px 60px -20px rgba(0,0,0,.55);
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@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;}
}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em;}
h1{font-size:clamp(2.4rem,4.6vw,4.1rem);font-weight:700;}
h2{font-size:clamp(1.9rem,3.2vw,2.7rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;color:var(--text-dim);}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--font-mono);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--accent);display:inline-block;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:100px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--accent);color:#150800;box-shadow:0 10px 30px -8px rgba(255,90,31,.55);}
.btn-primary:hover{background:#ff6c38;}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--text-dim);}
.btn-cyan{background:var(--cyan);color:#04211d;}
.btn-sm{padding:10px 18px;font-size:.85rem;}
.btn-block{width:100%;}

/* ---------- top bar ---------- */
.topbar{
  background:var(--surface);
  border-bottom:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:.72rem;color:var(--text-faint);
  letter-spacing:.03em;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:6px;}
.topbar a{color:var(--text-dim);transition:color .15s;}
.topbar a:hover{color:var(--accent);}
.topbar .credit{color:var(--text-faint);}
.topbar .credit a{color:var(--cyan);}

/* ---------- header / nav ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(11,14,17,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft);}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.15rem;}
.brand img{height:34px;width:auto;}
.brand small{display:block;font-family:var(--font-mono);font-weight:400;font-size:.6rem;letter-spacing:.08em;color:var(--text-faint);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;}
.nav-links > li{position:relative;}
.nav-links > li > a, .nav-links > li > button.nav-toggle{
  display:flex;align-items:center;gap:6px;padding:10px 16px;border-radius:100px;font-size:.92rem;font-weight:500;
  color:var(--text-dim);background:none;border:none;font-family:var(--font-body);cursor:pointer;transition:background .15s,color .15s;
}
.nav-links > li > a:hover, .nav-links > li > button.nav-toggle:hover, .nav-links > li.open > button.nav-toggle{color:var(--text);background:var(--surface-2);}
.nav-links > li > a[aria-current="page"]{color:var(--accent);}
.nav-toggle svg{width:13px;height:13px;transition:transform .2s;}
.nav-links > li.open .nav-toggle svg{transform:rotate(180deg);}
.nav-cta{display:flex;align-items:center;gap:10px;}

.subnav{
  position:absolute;top:calc(100% + 10px);left:0;min-width:260px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:8px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-links > li.open .subnav{opacity:1;visibility:visible;transform:translateY(0);}
.subnav a{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-radius:var(--radius-s);color:var(--text);font-size:.9rem;font-weight:600;}
.subnav a span{font-family:var(--font-body);font-weight:400;font-size:.78rem;color:var(--text-faint);}
.subnav a:hover{background:var(--surface-3);}
.subnav a:hover span{color:var(--text-dim);}

.nav-burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:9px;color:var(--text);}
@media (max-width: 980px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(88vw,360px);height:100vh;background:var(--surface);
    flex-direction:column;align-items:stretch;padding:90px 20px 30px;gap:4px;transform:translateX(100%);
    transition:transform .3s ease;overflow-y:auto;border-left:1px solid var(--line);}
  .nav-links.mobile-open{transform:translateX(0);}
  .nav-links > li > a, .nav-links > li > button.nav-toggle{width:100%;justify-content:space-between;padding:14px 12px;font-size:1rem;}
  .subnav{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;max-height:0;overflow:hidden;padding:0;border:none;transition:max-height .25s ease, padding .25s ease;}
  .nav-links > li.open .subnav{max-height:400px;padding:6px 0 10px 10px;}
  .nav-cta .btn-ghost{display:none;}
  .nav-burger{display:flex;}
}

/* ---------- hero / motion ---------- */
.hero{position:relative;overflow:hidden;padding:74px 0 90px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr;}}
.hero-media{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;transform:scale(1.03);animation:kenburns 18s ease-in-out infinite alternate;}
@keyframes kenburns{from{transform:scale(1.03) translate(0,0);}to{transform:scale(1.1) translate(-1.5%,-1.5%);}}
.hero-media .tag{position:absolute;left:18px;bottom:18px;background:rgba(11,14,17,.72);backdrop-filter:blur(8px);border:1px solid var(--line);
  padding:8px 14px;border-radius:100px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em;display:flex;align-items:center;gap:8px;}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 0 rgba(51,196,129,.7);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(51,196,129,.55);}70%{box-shadow:0 0 0 9px rgba(51,196,129,0);}100%{box-shadow:0 0 0 0 rgba(51,196,129,0);}}

/* track line signature motif */
.track-divider{position:relative;height:64px;overflow:hidden;}
.track-divider svg{position:absolute;left:50%;top:0;transform:translateX(-50%);width:100%;max-width:var(--max);height:100%;}
.track-line{fill:none;stroke:var(--line);stroke-width:2;stroke-dasharray:2 10;stroke-linecap:round;}
.track-line.animate{stroke:var(--accent);stroke-dasharray:6 14;animation:dash 3.5s linear infinite;opacity:.85;}
@keyframes dash{to{stroke-dashoffset:-200;}}
.track-pin{offset-rotate:0deg;animation:travel 7s linear infinite;}
@keyframes travel{0%{offset-distance:0%;}100%{offset-distance:100%;}}

.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:.85rem;color:var(--text-dim);}
.trust-row span{display:flex;align-items:center;gap:8px;}
.trust-row svg{width:15px;height:15px;color:var(--accent);flex:none;}

/* ---------- sections ---------- */
section{padding:88px 0;border-top:1px solid var(--line-soft);}
section.no-border{border-top:none;}
section.tight{padding:64px 0;}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .eyebrow{margin-bottom:14px;}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:28px;transition:border-color .2s,transform .2s,background .2s;}
.card:hover{border-color:#3a4048;transform:translateY(-3px);background:var(--surface-2);}
.card .num{font-family:var(--font-mono);color:var(--accent);font-size:.78rem;letter-spacing:.08em;margin-bottom:14px;display:block;}
.icon-badge{width:44px;height:44px;border-radius:12px;background:rgba(255,90,31,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.icon-badge svg{width:22px;height:22px;}

.stat{text-align:center;}
.stat .n{font-family:var(--font-mono);font-size:2.2rem;font-weight:600;color:var(--accent);display:block;}
.stat .l{font-size:.82rem;color:var(--text-faint);letter-spacing:.02em;}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- timeline (how it works) ---------- */
.timeline{position:relative;padding-left:36px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--line) 85%);}
.tl-step{position:relative;padding-bottom:44px;}
.tl-step:last-child{padding-bottom:0;}
.tl-step::before{content:"";position:absolute;left:-36px;top:2px;width:20px;height:20px;border-radius:50%;background:var(--ink);border:2px solid var(--accent);}
.tl-step .num{font-family:var(--font-mono);color:var(--accent);font-size:.78rem;letter-spacing:.1em;}

/* ---------- media captions / images with motion ---------- */
.figure{border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);position:relative;}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.figure:hover img{transform:scale(1.05);}
.figure .cap{position:absolute;left:14px;bottom:14px;background:rgba(11,14,17,.72);backdrop-filter:blur(6px);padding:6px 12px;border-radius:100px;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.04em;}

/* ---------- quote / testimonial ---------- */
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);padding:26px;}
.quote .stars{color:var(--accent);letter-spacing:2px;margin-bottom:10px;font-size:.85rem;}
.quote footer{margin-top:14px;font-size:.82rem;color:var(--text-faint);}

/* ---------- comparison table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:.92rem;}
table.compare th{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-faint);background:var(--surface);}
table.compare td.yes{color:var(--success);font-weight:600;}
table.compare td.brand{font-family:var(--font-display);font-weight:600;color:var(--accent);}
table.compare tr:last-child td{border-bottom:none;}

/* ---------- forms ---------- */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);padding:34px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.82rem;color:var(--text-dim);margin-bottom:7px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:var(--surface-3);color:var(--text);font-family:var(--font-body);font-size:.95rem;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:560px){.field-row{grid-template-columns:1fr;}}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--surface) 0%, var(--surface-2) 100%);border:1px solid var(--line);border-radius:var(--radius-l);padding:56px;text-align:center;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 0%, rgba(255,90,31,.16), transparent 55%);pointer-events:none;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px;}

/* ---------- badges/pills ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pill{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.03em;padding:6px 12px;border:1px solid var(--line);border-radius:100px;color:var(--text-dim);}

/* ---------- footer ---------- */
footer.site{background:var(--surface);border-top:1px solid var(--line-soft);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px;}
@media (max-width:900px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);margin-bottom:16px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:var(--text-dim);font-size:.92rem;transition:color .15s;}
.footer-grid a:hover{color:var(--accent);}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin-bottom:14px;}
.footer-brand img{height:30px;}
.built-by{margin-top:20px;padding:14px 16px;border:1px dashed var(--line);border-radius:var(--radius-s);font-size:.82rem;color:var(--text-faint);}
.built-by a{color:var(--cyan);font-weight:600;}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--text-faint);}

/* ---------- utility ---------- */
.center{text-align:center;}
.text-dim{color:var(--text-dim);}
.mt-0{margin-top:0;}
.flex{display:flex;}
.gap-12{gap:12px;}
.wrap{flex-wrap:wrap;}