/* ============================================================
   Fuego — "Controlled Fire" design system
   Tokens are the single source of truth. Style through them.
   ============================================================ */

:root{
  /* Foundation — warm/crimson-biased neutrals, chosen to sit under the brand red */
  --ink:#0C0A0B; --graphite:#171416; --graphite-2:#1D191C; --line:#2B2528;
  --muted:#948C8E; --text:#F5F3F2; --text-dim:#BCB4B5;
  /* Accent — Brand crimson from the logo (#ae2025). Use ~5% coverage.
     --ember      = core brand (buttons, focus, active)
     --ember-deep = hover / pressed
     --ember-glow = luminous variant for canvas + shadows (reads better lit) */
  --ember:#AE2025; --ember-deep:#86171B; --ember-glow:#E2353B;

  /* Semantic tokens (dark default) */
  --bg:var(--ink); --surface:var(--graphite); --surface-2:var(--graphite-2);
  --border:var(--line); --fg:var(--text); --fg-mut:var(--muted); --fg-dim:var(--text-dim);
  --grain:.035;

  /* Type */
  --sans:"Helvetica Neue",Arial,"Inter",system-ui,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,monospace;

  /* Motion */
  --e-out:cubic-bezier(.16,1,.3,1);

  /* Layout */
  --maxw:1240px;
}

@media (prefers-color-scheme: light){
  :root{--bg:#FAF7F5;--surface:#FFFFFF;--surface-2:#F3EEEB;--border:#E7E0DC;
    --fg:#140F10;--fg-mut:#726A6B;--fg-dim:#3B3435;--grain:.02;}
}
:root[data-theme="dark"]{--bg:var(--ink);--surface:var(--graphite);--surface-2:var(--graphite-2);
  --border:var(--line);--fg:var(--text);--fg-mut:var(--muted);--fg-dim:var(--text-dim);--grain:.035;}
:root[data-theme="light"]{--bg:#FAF7F5;--surface:#FFFFFF;--surface-2:#F3EEEB;--border:#E7E0DC;
  --fg:#140F10;--fg-mut:#726A6B;--fg-dim:#3B3435;--grain:.02;}

/* ---- base ---- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;
  line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.01em;
  transition:background .5s var(--e-out),color .5s var(--e-out)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:var(--grain);
  mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-mut)}
.ember{color:var(--ember)}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px}

/* ---- nav ---- */
.bar{position:sticky;top:0;z-index:100;backdrop-filter:blur(14px);
  background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--border)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:10px;color:var(--fg)}
.logo-mark{height:52px;width:auto;display:block}
.logo-ai{font-weight:700;font-size:38px;letter-spacing:-.03em;color:var(--ember);line-height:1}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}
.nav{display:flex;gap:30px;align-items:center}
.nav a{font-size:14px;color:var(--fg-dim);transition:color .3s var(--e-out)}
.nav a:hover{color:var(--fg)}
.nav-right{display:flex;gap:14px;align-items:center}
.toggle{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;background:transparent;
  color:var(--fg-mut);border:1px solid var(--border);padding:8px 12px;border-radius:999px;cursor:pointer;transition:.3s var(--e-out)}
.toggle:hover{color:var(--fg);border-color:var(--fg-mut)}
.btn{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;padding:14px 22px;
  border-radius:2px;border:1px solid var(--border);cursor:pointer;background:transparent;color:var(--fg);
  transition:.35s var(--e-out);display:inline-block}
.btn.primary{background:var(--ember);border-color:var(--ember);color:#fff}
.btn.primary:hover{background:var(--ember-deep);border-color:var(--ember-deep);box-shadow:0 10px 40px -8px var(--ember-glow)}
.btn.ghost:hover{border-color:var(--fg-mut)}
.btn.sm{padding:10px 16px}
@media (max-width:900px){.nav{display:none}}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
#heat{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
/* legibility scrim over the full-bleed hero image (theme-aware via --bg) */
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb,var(--bg) 62%,transparent) 40%, transparent 72%),
    radial-gradient(130% 100% at 100% 50%, transparent 45%, color-mix(in srgb,var(--bg) 65%,transparent) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 22%)}
.hero .wrap{position:relative;z-index:2;padding-top:130px;padding-bottom:120px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:30px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ember)}
h1{font-size:clamp(46px,7.4vw,98px);line-height:.98;letter-spacing:-.035em;font-weight:600;margin:0;max-width:16ch;text-wrap:balance}
h1 em{font-style:normal;color:var(--ember)}
.lede{margin:34px 0 0;font-size:clamp(18px,2.1vw,22px);color:var(--fg-dim);max-width:56ch;line-height:1.5;letter-spacing:-.015em}
.cta-row{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}

/* ---- section scaffold ---- */
section.block{padding:120px 0;border-bottom:1px solid var(--border)}
.sec-head{display:flex;align-items:baseline;gap:20px;margin-bottom:60px;flex-wrap:wrap}
.sec-num{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--ember)}
.sec-title{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.03em;font-weight:600;margin:0;line-height:1.04;max-width:18ch;text-wrap:balance}
.sec-desc{color:var(--fg-mut);max-width:44ch;margin-left:auto;font-size:15px;line-height:1.55}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--e-out),transform .8s var(--e-out)}
.reveal.in{opacity:1;transform:none}

/* ---- capabilities ---- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.cap{background:var(--surface);padding:44px;transition:background .4s var(--e-out);position:relative}
.cap:hover{background:var(--surface-2)}
.cap .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ember);text-transform:uppercase}
.cap h3{font-size:24px;letter-spacing:-.025em;margin:20px 0 12px;font-weight:600}
.cap p{margin:0;color:var(--fg-mut);font-size:15px;line-height:1.6;max-width:42ch}
.cap svg{width:26px;height:26px;stroke:var(--fg-dim);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-bottom:4px;transition:stroke .4s var(--e-out)}
.cap:hover svg{stroke:var(--ember)}
@media (max-width:720px){.cap-grid{grid-template-columns:1fr}}

/* ---- platform ---- */
.plat{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.plat h2{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.03em;font-weight:600;margin:0 0 24px;line-height:1.04;text-wrap:balance}
.plat p{color:var(--fg-dim);font-size:17px;line-height:1.6;max-width:48ch}
.plat ul{list-style:none;padding:0;margin:32px 0 0;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border)}
.plat li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--border);align-items:baseline}
.plat li .n{font-family:var(--mono);font-size:11px;color:var(--ember);letter-spacing:.1em;min-width:28px}
.plat li strong{font-weight:600;font-size:16px;letter-spacing:-.015em}
.plat li em{font-style:normal;color:var(--fg-mut);font-size:14px;display:block;margin-top:3px}
.plat-vis{border:1px solid var(--border);border-radius:4px;background:var(--surface);overflow:hidden;aspect-ratio:1/1.02}
#lattice{width:100%;height:100%;display:block}
@media (max-width:840px){.plat{grid-template-columns:1fr;gap:40px}}

/* ---- industries ---- */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.ind{background:var(--surface);display:flex;flex-direction:column;transition:background .4s var(--e-out);cursor:default}
.ind:hover{background:var(--surface-2)}
.ind-art{position:relative;aspect-ratio:16/11;border-bottom:1px solid var(--border);overflow:hidden;
  background:radial-gradient(120% 150% at 50% 0%,color-mix(in srgb,var(--ember) 9%,transparent),transparent 62%)}
.ind-art svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.ind-art .stroke{stroke:var(--fg-dim);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:.5;transition:opacity .4s var(--e-out)}
.ind:hover .ind-art .stroke{opacity:.85}
.ind-art .acc{stroke:var(--ember);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.ind-body{padding:20px 22px 26px;display:flex;flex-direction:column;gap:6px}
.ind-body h4{margin:0;font-size:17px;letter-spacing:-.02em;font-weight:600}
.ind-body p{margin:0;font-size:13px;color:var(--fg-mut);line-height:1.5}
@media (max-width:960px){.ind-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.ind-grid{grid-template-columns:1fr}}

/* reusable image placeholder frame — drop a real <img> inside to replace */
.img-ph{position:relative;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;
  overflow:hidden;display:flex;align-items:center;justify-content:center;margin:0;min-height:180px}
.img-ph::before{content:"";position:absolute;inset:0;opacity:.6;
  background-image:repeating-linear-gradient(135deg,transparent 0 15px,color-mix(in srgb,var(--fg) 5%,transparent) 15px 16px)}
.img-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.img-ph figcaption{position:relative;z-index:1;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--fg-mut);text-align:center;padding:26px;display:flex;flex-direction:column;
  align-items:center;gap:11px;line-height:1.6}
.img-ph figcaption svg{width:26px;height:26px;stroke:var(--fg-mut);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.img-ph figcaption b{color:var(--fg-dim);font-weight:600;letter-spacing:.02em}

/* company / about band */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.about h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.03em;font-weight:600;margin:18px 0 22px;line-height:1.05;text-wrap:balance}
.about p{color:var(--fg-dim);font-size:17px;line-height:1.6;max-width:46ch;margin:0}
.about .about-stats{display:flex;gap:40px;margin-top:34px;flex-wrap:wrap}
.about .about-stats div{display:flex;flex-direction:column;gap:4px}
.about .about-stats .v{font-size:30px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.about .about-stats .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mut)}
.about .img-ph{aspect-ratio:4/5}
@media (max-width:840px){.about{grid-template-columns:1fr;gap:36px}}

/* ---- proof ---- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;border:1px solid var(--border);border-radius:4px;overflow:hidden;margin-bottom:2px}
.metric{background:var(--surface);padding:38px 32px}
.metric .v{font-size:48px;letter-spacing:-.04em;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.metric .v .u{color:var(--ember)}
.metric .k{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-mut);margin-top:14px}
.case{border:1px solid var(--border);border-radius:4px;background:var(--surface);padding:40px;display:grid;grid-template-columns:.62fr 2fr;gap:48px;align-items:center;margin-top:2px}
.case .img-ph{aspect-ratio:3/4;height:100%;min-height:220px}
.case .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ember);text-transform:uppercase}
.case blockquote{margin:18px 0 0;font-size:clamp(20px,2.4vw,28px);letter-spacing:-.025em;line-height:1.3;font-weight:600;text-wrap:balance}
.case .who{margin-top:22px;font-size:14px;color:var(--fg-mut)}
@media (max-width:840px){.metrics{grid-template-columns:repeat(2,1fr)}.case{grid-template-columns:1fr;gap:28px;padding:32px}.case .img-ph{aspect-ratio:16/9;min-height:200px}}

/* ---- approach ---- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.step{background:var(--surface);padding:38px 30px;min-height:200px;display:flex;flex-direction:column}
.step .n{font-family:var(--mono);font-size:12px;color:var(--ember);letter-spacing:.14em}
.step h4{margin:24px 0 10px;font-size:19px;letter-spacing:-.02em;font-weight:600}
.step p{margin:0;font-size:14px;color:var(--fg-mut);line-height:1.55}
.step .bar{margin-top:auto;height:2px;background:var(--border);position:relative;overflow:hidden}
.step .bar i{position:absolute;inset:0;background:var(--ember);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--e-out)}
.step.in .bar i{transform:scaleX(1)}
@media (max-width:840px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:460px){.steps{grid-template-columns:1fr}}

/* ---- cta band ---- */
.cta-band{position:relative;overflow:hidden}
.cta-band .wrap{padding:120px 32px;text-align:center;position:relative;z-index:2}
.cta-band h2{font-size:clamp(32px,5vw,64px);letter-spacing:-.035em;font-weight:600;margin:0 auto;max-width:16ch;line-height:1;text-wrap:balance}
.cta-band p{color:var(--fg-dim);max-width:48ch;margin:26px auto 0;font-size:18px}
.cta-band .cta-row{justify-content:center}
#band-heat{position:absolute;inset:0;width:100%;height:100%}

/* ---- footer ---- */
footer{background:var(--surface);border-top:1px solid var(--border)}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:72px 32px 48px;max-width:var(--maxw);margin:0 auto}
.foot-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-mut);margin:0 0 18px}
.foot-col a{display:block;color:var(--fg-dim);font-size:14px;padding:6px 0;transition:color .3s var(--e-out)}
.foot-col a:hover{color:var(--ember)}
.foot-brand p{color:var(--fg-mut);font-size:14px;max-width:34ch;margin:18px 0 0;line-height:1.6}
.foot-bot{border-top:1px solid var(--border);padding:24px 32px;max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}
.foot-bot .mono{color:var(--fg-mut);font-size:11px}
@media (max-width:760px){.foot-top{grid-template-columns:1fr 1fr}}

@media (max-width:720px){.wrap{padding:0 20px}.sec-head{flex-direction:column;gap:10px}.sec-desc{margin-left:0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.step .bar i{transform:scaleX(1)}}