/* KN Machine — Carbon Precision shared design tokens + shell chrome */

:root {
  --bg: #1a1a1d;
  --bg-2: #222226;
  --bg-3: #2b2b30;
  --fg: #f4f4f6;
  --fg-dim: #9a9aa2;
  --fg-dim-2: #66666c;
  --line: #2d2d33;
  --line-2: #3a3a42;
  --maroon: #a72f39;
  --maroon-dk: #7a1a22;
  --r-btn: 4px;
  --r-card: 6px;
  --r-input: 4px;
  --r-mark: 4px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: 'Inter', -apple-system, sans-serif; letter-spacing: -0.01em; }
a { color: inherit; }
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; letter-spacing: 0; }

.page { max-width: 1440px; margin: 0 auto; overflow: hidden; }

/* NAV */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(26,26,29,0.92); backdrop-filter: blur(10px);
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--fg); }
.brand-mark {
  width: 32px; height: 32px; background: var(--maroon);
  display: grid; place-items: center; font-weight: 900; font-size: 13px;
  letter-spacing: 0.02em; color: #fff;
  border-radius: var(--r-mark);
}
.brand-name { font-weight: 700; font-size: 14px; letter-spacing: 0.04em; }
.brand-name span { color: var(--fg-dim); font-weight: 400; }
.nav-links { display: flex; gap: 32px; font-size: 13px; color: var(--fg-dim); }
.nav-links a { color: inherit; text-decoration: none; transition: color 0.15s; }
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after { content: ''; display: block; height: 1px; background: var(--maroon); margin-top: 6px; }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-cta .phone { font-size: 12px; color: var(--fg-dim); font-family: 'JetBrains Mono', monospace; }

/* BUTTONS */
.btn {
  padding: 10px 18px; font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer;
  border: none; background: var(--maroon); color: #fff;
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  transition: background 0.15s;
  border-radius: var(--r-btn);
}
.btn:hover { background: var(--maroon-dk); }
.btn-ghost { background: transparent; border: 1px solid var(--line-2); color: var(--fg); }
.btn-ghost:hover { background: var(--bg-2); border-color: var(--fg-dim); }
.btn-arrow { font-family: 'JetBrains Mono', monospace; font-weight: 400; }
.btn-lg { padding: 14px 24px; font-size: 13px; }

/* PAGE HEADER (non-home) */
.page-header {
  padding: 96px 48px 64px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.page-header::before {
  content: ''; position: absolute; top: 0; left: 48px; width: 48px; height: 1px;
  background: var(--maroon);
}
.eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--fg-dim); letter-spacing: 0.12em; text-transform: uppercase;
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px; background: var(--maroon);
}
.page-title {
  font-size: 84px; line-height: 0.95; font-weight: 700; margin: 0 0 20px;
  letter-spacing: -0.035em;
}
.page-title em { font-style: normal; color: var(--maroon); }
.page-sub {
  font-size: 17px; color: var(--fg-dim); max-width: 640px;
  line-height: 1.5; font-weight: 300;
}

/* SECTION */
section.block {
  padding: 96px 48px;
  border-bottom: 1px solid var(--line);
}
.section-head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 48px;
}
.section-title {
  font-size: 14px; font-family: 'JetBrains Mono', monospace;
  color: var(--fg-dim); letter-spacing: 0.1em; text-transform: uppercase;
}
.section-title span { color: var(--maroon); margin-right: 12px; }
h2.section-h {
  font-size: 48px; line-height: 1; font-weight: 700; margin: 16px 0 0;
  letter-spacing: -0.03em; max-width: 720px;
}

/* CTA BAND */
.cta-band {
  padding: 112px 48px; background: var(--maroon); color: #fff;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
  border-bottom: 1px solid #000;
}
.cta-band h3 {
  font-size: 56px; line-height: 1; font-weight: 700; margin: 0;
  letter-spacing: -0.03em;
}
.cta-band-meta { font-family: 'JetBrains Mono', monospace; font-size: 12px; opacity: 0.8; letter-spacing: 0.08em; margin-bottom: 16px; }
.cta-band-right { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.cta-band .btn { background: #0a0a0a; }
.cta-band .btn:hover { background: #000; }
.cta-band .btn-ghost { border-color: rgba(255,255,255,0.35); background: transparent; color: #fff; }
.cta-band .btn-ghost:hover { background: rgba(0,0,0,0.15); }

/* FOOTER */
footer.site-footer {
  padding: 64px 48px 32px; color: var(--fg-dim); font-size: 12px;
}
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.foot-col-title { color: var(--fg); font-size: 11px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px; }
.foot-col a { display: block; color: var(--fg-dim); text-decoration: none; padding: 4px 0; transition: color 0.15s; }
.foot-col a:hover { color: var(--fg); }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.06em; }

/* FORM ELEMENTS */
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--fg-dim); letter-spacing: 0.12em; text-transform: uppercase;
}
.field label em { color: var(--maroon); font-style: normal; }
.field input, .field select, .field textarea {
  background: var(--bg-2); border: 1px solid var(--line-2);
  padding: 14px 16px; color: var(--fg); font-size: 14px;
  font-family: inherit; outline: none; transition: border 0.15s;
  border-radius: var(--r-input);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--maroon);
}
.field textarea { resize: vertical; min-height: 120px; }