/* PyrolTech+ design system: slate-navy / coolant cyan / thermal amber
   Fonts: Archivo (variable, wdth+wght) + IBM Plex Mono. Single committed dark theme. */

:root{
  --bg:#0A111C;
  --bg-2:#0D1624;
  --panel:#111D2E;
  --panel-2:#152438;
  --line:rgba(148,178,209,.13);
  --line-2:rgba(148,178,209,.30);
  --text:#E9F0F7;
  --mut:#9AAABB;
  --dim:#64788E;
  --cool:#4FD6EC;
  --cool-deep:#1898B4;
  --cool-dim:rgba(79,214,236,.14);
  --heat:#F0A63C;
  --heat-dim:rgba(240,166,60,.14);
  --ok:#39D98A;
  --danger:#FF6B57;
  --max:1140px;
  --font:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;height:auto;display:block;}
a{color:var(--cool);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
a:focus-visible,button:focus-visible{outline:2px solid var(--cool);outline-offset:3px;border-radius:2px;}
::selection{background:var(--cool-deep);color:#fff;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- type scale ---------- */
h1,h2,h3{font-weight:600;letter-spacing:-.02em;line-height:1.08;text-wrap:balance;}
h1{font-size:clamp(2.5rem,6vw,4.4rem);font-stretch:112%;}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-stretch:108%;}
h3{font-size:1.18rem;line-height:1.3;}
.lede{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--mut);line-height:1.55;max-width:56ch;}
p{max-width:65ch;}
.mut{color:var(--mut);}
strong{color:var(--text);font-weight:600;}

.eyebrow{
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--cool);
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.code{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--dim);
  text-transform:uppercase;
}
.code b{color:var(--cool);font-weight:500;}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(10,17,28,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-in{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:28px;height:64px;
}
.nav a{color:var(--text);text-decoration:none;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;font-size:1.05rem;margin-right:auto;}
.brand svg{width:30px;height:30px;flex:none;}
.brand .plus{color:var(--cool);}
.nav-links{display:flex;gap:22px;font-size:.92rem;color:var(--mut);}
.nav-links a{color:var(--mut);}
.nav-links a:hover{color:var(--text);text-decoration:none;}
.nav-phone{font-family:var(--mono);font-size:.8rem;color:var(--mut);white-space:nowrap;}
.nav-phone b{color:var(--heat);font-weight:500;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--cool);color:#04222B !important;
  font-weight:600;font-size:.92rem;letter-spacing:0;
  padding:10px 18px;border-radius:6px;border:none;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease;
  text-decoration:none !important;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 24px -6px rgba(79,214,236,.45);}
.btn.ghost{background:transparent;color:var(--text) !important;border:1px solid var(--line-2);}
.btn.ghost:hover{border-color:var(--cool);box-shadow:none;}
@media (max-width:920px){.nav-links{display:none;}.nav-phone{display:none;}}

/* ---------- sections & the visible grid ---------- */
main{padding-top:64px;}
section{position:relative;padding:96px 0;border-top:1px solid var(--line);}
section.no-rule{border-top:none;}
.crosshair{position:relative;}
.crosshair::before,.crosshair::after{
  content:"+";position:absolute;top:-11px;color:var(--line-2);
  font-family:var(--mono);font-size:14px;line-height:1;
}
.crosshair::before{left:14px;}
.crosshair::after{right:14px;}

/* ---------- hero ---------- */
.hero{padding:110px 0 80px;border-top:none;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;}}
.hero h1 .accent{color:var(--cool);}
.hero .lede{margin:22px 0 30px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero-meta{margin-top:34px;display:flex;gap:26px;flex-wrap:wrap;}
.hero-meta .code{font-size:10.5px;}

/* ---------- stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden;}
.stat{background:var(--bg-2);padding:26px 24px;}
.stat .n{
  font-family:var(--mono);font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:600;
  color:var(--text);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1;
}
.stat .n em{font-style:normal;color:var(--cool);}
.stat .l{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-top:10px;}

/* ---------- cards ---------- */
.cards{display:grid;gap:18px;}
.cards.c2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.cards.c3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:26px;transition:transform .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-2);}
.card h3{margin:14px 0 10px;}
.card p{font-size:.94rem;color:var(--mut);}
.card .code{display:block;margin-bottom:2px;}
.card .more{display:inline-block;margin-top:14px;font-size:.88rem;font-family:var(--mono);}

/* fork cards (dual audience) */
.fork{border-left:3px solid var(--cool);}
.fork.partner{border-left-color:var(--heat);}
.fork h3{font-size:1.3rem;}

/* ---------- chapter rows ---------- */
.chapter{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.chapter.flip > .ch-visual{order:-1;}
@media (max-width:920px){.chapter{grid-template-columns:1fr;}.chapter.flip > .ch-visual{order:0;}}
.ch-visual{
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  padding:28px;min-height:240px;display:flex;align-items:center;justify-content:center;
}
.checks{list-style:none;margin-top:18px;display:grid;gap:10px;}
.checks li{padding-left:26px;position:relative;color:var(--mut);font-size:.95rem;}
.checks li::before{content:"+";position:absolute;left:0;color:var(--cool);font-family:var(--mono);}

/* ---------- process strip ---------- */
.steps3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;counter-reset:st;}
.step3{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:26px;counter-increment:st;position:relative;}
.step3::before{
  content:"0" counter(st);font-family:var(--mono);font-size:.8rem;color:var(--cool);
  letter-spacing:.15em;display:block;margin-bottom:12px;
}
.step3 p{font-size:.93rem;color:var(--mut);}

/* ---------- tables ---------- */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:8px;}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.92rem;}
th{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim);text-align:left;padding:12px 16px;background:var(--bg-2);border-bottom:1px solid var(--line);}
td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--mut);vertical-align:top;}
td:first-child{color:var(--text);font-weight:500;}
tbody tr:last-child td{border-bottom:none;}

/* ---------- founders ---------- */
.founder{display:flex;gap:18px;align-items:flex-start;}
.avatar{
  flex:none;width:56px;height:56px;border-radius:50%;
  background:var(--cool-dim);border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:600;color:var(--cool);font-size:1rem;
}
.founder h3{font-size:1.05rem;}
.founder .role{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin:3px 0 8px;}
.founder p{font-size:.92rem;color:var(--mut);}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--panel) 0%, #12283A 100%);
  border:1px solid var(--line-2);border-radius:14px;
  padding:56px 48px;text-align:center;
}
.cta-band h2{margin-bottom:14px;}
.cta-band p{margin:0 auto 28px;color:var(--mut);}
@media (max-width:640px){.cta-band{padding:40px 24px;}}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:56px 0 40px;background:var(--bg-2);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr;}}
footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--dim);margin-bottom:14px;font-weight:500;}
footer ul{list-style:none;display:grid;gap:9px;font-size:.9rem;}
footer a{color:var(--mut);}
footer a:hover{color:var(--text);}
.foot-legal{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;color:var(--dim);}

/* ---------- page hero (subpages) ---------- */
.page-hero{padding:84px 0 56px;border-top:none;}
.page-hero .lede{margin-top:18px;}
.breadcrumb{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--dim);margin-bottom:22px;text-transform:uppercase;}
.breadcrumb a{color:var(--dim);}

/* ---------- prose (articles) ---------- */
.prose{max-width:70ch;}
.prose h2{font-size:1.5rem;margin:42px 0 14px;}
.prose h3{margin:30px 0 10px;}
.prose p{margin-bottom:16px;color:var(--mut);}
.prose p:first-of-type{color:var(--text);font-size:1.08rem;}
.prose ul,.prose ol{margin:0 0 16px 22px;color:var(--mut);}
.prose li{margin-bottom:6px;}
.byline{display:flex;gap:14px;align-items:center;margin:26px 0 8px;font-size:.85rem;color:var(--dim);font-family:var(--mono);}

/* ---------- reveal animation ---------- */
.rv{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.rv.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none;}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;}
}

/* ---------- hero schematic animation ---------- */
.flow-dash{stroke-dasharray:6 8;animation:flow 1.6s linear infinite;}
.flow-dash.slow{animation-duration:2.6s;}
@keyframes flow{to{stroke-dashoffset:-14;}}
.pulse{animation:pulse 2.2s ease-in-out infinite;transform-origin:center;transform-box:fill-box;}
@keyframes pulse{0%,100%{opacity:.35;}50%{opacity:1;}}
.blink{animation:blink 1.4s steps(2,start) infinite;}
@keyframes blink{50%{opacity:.15;}}

/* ---------- contact form ---------- */
.form{display:grid;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:30px;max-width:640px;}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:640px){.form .row2{grid-template-columns:1fr;}}
.form label{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--dim);display:block;margin-bottom:6px;}
.form input,.form select,.form textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:6px;
  color:var(--text);font-family:var(--font);font-size:.95rem;padding:11px 13px;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--cool);outline-offset:1px;border-color:transparent;}
.form textarea{min-height:120px;resize:vertical;}
.form .hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden;}
.form-note{font-family:var(--mono);font-size:11px;color:var(--dim);}
.form-ok{display:none;background:var(--cool-dim);border:1px solid var(--cool);border-radius:8px;padding:16px 18px;color:var(--text);font-size:.95rem;}