/* CamForge — marketing site. Committed dark "arc-in-the-shop" identity:
   steel blue-black grounds, plasma-cyan primary, hot-ember CTA. Machine-code
   monospace as the voice (labels/nav/data), heavy tight sans for display. */

:root {
  --steel-950: #090c11;
  --steel-900: #0b0e13;   /* page */
  --steel-850: #10151d;
  --steel-800: #141b24;   /* card */
  --steel-750: #19222d;
  --steel-700: #1e2836;   /* raised */
  --line: #26333f;        /* hairline (cyan-biased) */
  --line-soft: #1a232e;
  --text: #e9eff5;
  --muted: #90a3b6;       /* cyan-grey */
  --faint: #647688;
  --cyan: #3cc9de;        /* plasma arc core / primary */
  --cyan-deep: #1c8394;
  --ember: #f5822a;       /* hot cut / CTA */
  --ember-2: #ff9d3f;
  --good: #46c98b;

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

  --maxw: 1120px;
  --pad: clamp(20px, 5vw, 48px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 78% -8%, rgba(60,201,222,.10), transparent 60%),
    radial-gradient(900px 500px at 8% 6%, rgba(245,130,42,.06), transparent 55%),
    var(--steel-900);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #7fe3f2; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

/* ---- machine-code utility voice ---- */
.eyebrow, .nav a, .btn, .foot-nav a, .tier-badge, .spec-k {
  font-family: var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eyebrow {
  font-size: 12px; color: var(--cyan);
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--cyan); opacity: .7; }

/* ---- header ---- */
header.site {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--steel-900) 82%, transparent);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.01em; }
.brand .spark { width: 12px; height: 12px; border-radius: 3px;
  background: radial-gradient(circle at 50% 40%, #fff, var(--cyan) 45%, var(--cyan-deep) 100%);
  box-shadow: 0 0 14px 1px rgba(60,201,222,.7); }
.brand small { font-family: var(--mono); font-weight: 500; font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .12em; }
.nav .grow { flex: 1; }
.nav a { font-size: 12.5px; color: var(--muted); }
.nav a:hover { color: var(--text); }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600;
  padding: 11px 20px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--steel-750); color: var(--text);
  cursor: pointer; transition: transform .12s ease, border-color .2s, background .2s;
}
.btn:hover { transform: translateY(-1px); border-color: #33465a; color: var(--text); }
.btn.primary {
  border: none; color: #241100;
  background: linear-gradient(135deg, var(--ember-2), var(--ember));
  box-shadow: 0 6px 24px -8px var(--ember);
}
.btn.primary:hover { color: #241100; box-shadow: 0 10px 30px -8px var(--ember); }
.btn.ghost { background: transparent; }

/* ---- hero ---- */
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center;
  padding: clamp(48px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); line-height: 1.02; letter-spacing: -.025em;
  font-weight: 800; margin: 0 0 20px; text-wrap: balance; }
.hero h1 .hl { color: var(--cyan); }
.hero p.lead { font-size: clamp(16px, 1.7vw, 19px); color: var(--muted); margin: 0 0 30px; max-width: 34em; }
.hero .cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero .cta .note { font-family: var(--mono); font-size: 11.5px; color: var(--faint); }

/* hero visual: tube + wrapped cut + gcode card */
.viz { position: relative; }
.viz .panel { border: 1px solid var(--line); background:
    linear-gradient(180deg, var(--steel-800), var(--steel-850));
  border-radius: 16px; padding: 22px; box-shadow: 0 30px 60px -30px #000; }
.viz svg { display: block; width: 100%; height: auto; }
.gcode {
  font-family: var(--mono); font-size: 12px; line-height: 1.7; color: #b9c9d6;
  background: var(--steel-950); border: 1px solid var(--line-soft); border-radius: 12px;
  padding: 14px 16px; margin-top: 16px; overflow-x: auto;
}
.gcode .c { color: var(--faint); }
.gcode .a { color: var(--cyan); }
.gcode .m { color: var(--ember-2); }

/* ---- section scaffolding ---- */
section { padding: clamp(44px, 7vw, 84px) 0; border-top: 1px solid var(--line-soft); }
.sec-head { max-width: 40em; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(24px, 3.4vw, 36px); letter-spacing: -.02em; margin: 0 0 12px; text-wrap: balance; }
.sec-head p { color: var(--muted); margin: 0; }

/* problem / forum quote */
.quote { border-left: 2px solid var(--ember); padding: 4px 0 4px 22px; margin: 0;
  font-size: clamp(18px, 2.2vw, 23px); line-height: 1.45; letter-spacing: -.01em; }
.quote cite { display: block; margin-top: 14px; font-style: normal;
  font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

/* steps 01/02/03 (a real sequence) */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { border: 1px solid var(--line); background: var(--steel-800); border-radius: 14px; padding: 24px; }
.step .n { font-family: var(--mono); font-size: 13px; color: var(--cyan); letter-spacing: .1em; }
.step h3 { margin: 12px 0 8px; font-size: 18px; letter-spacing: -.01em; }
.step p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* features grid */
.feat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { border: 1px solid var(--line); background: var(--steel-800); border-radius: 14px; padding: 22px;
  transition: border-color .2s, transform .12s; }
.card:hover { border-color: #33465a; transform: translateY(-2px); }
.card .ic { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--cyan) 16%, var(--steel-700)); color: var(--cyan);
  font-family: var(--mono); font-weight: 700; margin-bottom: 14px; }
.card h3 { margin: 0 0 7px; font-size: 16px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

/* download */
.dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 820px; }
.dl-card { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; padding: 26px; }
.dl-card .ic { font-size: 20px; background: color-mix(in srgb, var(--cyan) 12%, var(--steel-700)); }
.dl-card p { flex: 1 0 auto; }
.dl-card .btn { margin-top: 4px; }
.dl-card .note { flex: none; margin: 0; font-family: var(--mono); font-size: 11.5px; color: var(--faint); }
.dl-card .note a { color: var(--muted); }
.dl-card code { font-family: var(--mono); font-size: .9em; color: var(--cyan); }

/* comparison table */
.cmp-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--steel-800); }
.cmp { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 560px; }
.cmp th, .cmp td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.cmp thead th { font-family: var(--mono); text-transform: uppercase; letter-spacing: .06em; font-size: 11.5px; color: var(--muted); }
.cmp thead th.me { color: var(--cyan); }
.cmp tbody td { color: var(--muted); }
.cmp tbody td:first-child { color: var(--text); font-weight: 500; }
.cmp tbody td:first-child span { display: block; font-family: var(--mono); font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: .05em; margin-top: 3px; }
.cmp td.me { color: #cdd9e3; background: color-mix(in srgb, var(--cyan) 6%, transparent); border-left: 1px solid color-mix(in srgb, var(--cyan) 22%, var(--line)); }
.cmp td.y { color: var(--good); }
.cmp td.n { color: var(--faint); }
.cmp td.price { color: var(--ember-2); font-weight: 700; font-size: 16px; }
.cmp tr.hi td { background: color-mix(in srgb, var(--ember) 5%, transparent); }
.cmp tr.hi td.me { background: color-mix(in srgb, var(--cyan) 10%, transparent); }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp-note { color: var(--faint); font-size: 12.5px; max-width: 52em; margin: 16px auto 0; text-align: center; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; align-items: start; max-width: 820px; }
.tier { border: 1px solid var(--line); background: var(--steel-800); border-radius: 18px; padding: 30px; position: relative; }
.tier.pro { border-color: color-mix(in srgb, var(--ember) 55%, var(--line));
  background: linear-gradient(180deg, color-mix(in srgb, var(--ember) 7%, var(--steel-800)), var(--steel-850)); }
.tier-badge { position: absolute; top: -11px; right: 22px; font-size: 10.5px; color: #241100;
  background: linear-gradient(135deg, var(--ember-2), var(--ember)); padding: 5px 11px; border-radius: 999px; }
.tier h3 { margin: 0 0 4px; font-size: 20px; }
.tier .price { display: flex; align-items: baseline; gap: 8px; margin: 10px 0 4px; }
.tier .price b { font-size: 40px; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.tier .price span { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.tier .sub { color: var(--muted); font-size: 13.5px; margin: 0 0 20px; }
.tier ul { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.tier li { font-size: 14px; color: #cdd9e3; display: flex; gap: 11px; align-items: flex-start; }
.tier li::before { content: "▸"; color: var(--cyan); flex: none; }
.tier.pro li::before { color: var(--ember-2); }
.tier .btn { width: 100%; justify-content: center; }
.pay-note { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-top: 12px; text-align: center; }

/* toggle */
.billing { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px;
  margin-bottom: 26px; font-family: var(--mono); font-size: 12px; }
.billing button { border: none; background: transparent; color: var(--muted); padding: 7px 16px; border-radius: 999px; cursor: pointer;
  text-transform: uppercase; letter-spacing: .06em; font-family: var(--mono); font-size: 12px; }
.billing button.on { background: var(--steel-700); color: var(--text); }

/* footer */
footer.site { border-top: 1px solid var(--line-soft); padding: 40px 0 60px; color: var(--muted); }
.foot { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.foot .grow { flex: 1; }
.foot-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-nav a { color: var(--muted); font-size: 12px; }
.foot small { font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 34px; }
  .steps, .feat, .dl { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; }
  .nav .hide-sm { display: none; }
}