/* YottaMatrix — brand tokens + layout
   navy #0f172a · cyan #22d3ee · mono accents  */

:root {
  --navy:      #0f172a;
  --navy-2:    #1e293b;
  --navy-3:    #0b1120;
  --ink:       #0f172a;
  --cyan:      #22d3ee;
  --cyan-dim:  rgba(34, 211, 238, 0.12);
  --cyan-line: rgba(34, 211, 238, 0.35);
  --paper:     #f6f8fb;
  --white:     #ffffff;
  --muted:     #5b6a7d;
  --muted-2:   #94a3b8;
  --line:      #e3e8ef;
  --line-dark: #243247;
  --danger:    #ef4444;
  --sans: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--cyan); color: var(--navy); }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- top accent rule ---------- */
.toprule { height: 4px; background: linear-gradient(90deg, var(--cyan) 0 40%, var(--navy) 40% 52%, var(--cyan) 52% 68%, transparent 68% 100%); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.wordmark { display: inline-flex; align-items: center; gap: 10px; }
.wordmark svg { flex: none; }
.wordmark-text {
  font-family: var(--mono);
  font-weight: 700; font-size: 15px; letter-spacing: 0.06em;
  color: var(--ink);
}
.wm-cyan { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--muted);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--ink); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-weight: 600; font-size: 14px;
  padding: 11px 20px; border-radius: 8px; cursor: pointer;
  transition: transform .1s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--dark { background: var(--navy); color: var(--white); }
.btn--dark:hover { background: var(--navy-2); }
.btn--cyan { background: var(--cyan); color: var(--navy); }
.btn--cyan:hover { background: #35d9f2; }
.btn--ghost { background: transparent; color: var(--navy); border: 1px solid var(--line); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- hero ---------- */
.hero { background: var(--paper); border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px;
  padding: 88px 28px 96px;
  max-width: var(--maxw); margin: 0 auto;
  align-items: center;
}
.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.18em; color: var(--cyan);
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(40px, 6.2vw, 64px);
  line-height: 1.02; font-weight: 700; letter-spacing: -0.02em;
  margin: 18px 0 20px;
}
.hero h1 .accent { color: var(--cyan); }
.hero-sub {
  font-size: 19px; color: var(--muted); max-width: 480px; margin-bottom: 30px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { font-family: var(--mono); font-size: 12px; color: var(--muted-2); margin-top: 18px; }

/* terminal panel */
.term {
  background: var(--navy-3);
  border: 1px solid var(--line-dark);
  border-radius: 12px;
  box-shadow: 0 24px 48px -20px rgba(15,23,42,0.45);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line-dark);
  background: var(--navy);
}
.term-dot { width: 10px; height: 10px; border-radius: 50%; }
.term-dot--r { background: #f87171; }
.term-dot--y { background: #fbbf24; }
.term-dot--g { background: #34d399; }
.term-title { font-family: var(--mono); font-size: 11px; color: var(--muted-2); letter-spacing: 0.08em; flex: 1; text-align: center; }
.term-body { padding: 20px 22px; font-family: var(--mono); font-size: 13px; line-height: 1.9; }
.prompt { color: var(--cyan); }
.tk-label { color: var(--muted-2); }
.tk-dim { color: #3e4c63; }
.tk-bright { color: #e2e8f0; }
.term-sep { border: none; border-top: 1px dashed var(--line-dark); margin: 14px 0; }
.term-sample { display: inline-block; font-size: 10px; letter-spacing: 0.14em; color: var(--muted-2); border: 1px solid var(--line-dark); border-radius: 4px; padding: 2px 8px; margin-bottom: 12px; }

/* ---------- generic section ---------- */
section { padding: 96px 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-h { max-width: 640px; margin-bottom: 48px; }
.sec-h h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; margin: 14px 0 14px; }
.sec-h p { font-size: 17px; color: var(--muted); }

/* numbered editorial list (intelligence) */
.idx-list { border-top: 1px solid var(--line); }
.idx-item {
  display: grid; grid-template-columns: 96px 1fr; gap: 24px;
  padding: 30px 0; border-bottom: 1px solid var(--line);
  align-items: start;
}
.idx-num { font-family: var(--mono); font-size: 13px; color: var(--cyan); font-weight: 500; padding-top: 6px; }
.idx-item h3 { font-size: 21px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.idx-item p { color: var(--muted); font-size: 16px; max-width: 680px; }
.idx-tag {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--navy); background: var(--cyan-dim); border: 1px solid var(--cyan-line);
  border-radius: 4px; padding: 3px 8px; margin-top: 12px; text-transform: uppercase;
}
.disclaim {
  font-family: var(--mono); font-size: 12px; color: var(--muted-2);
  border-left: 2px solid var(--cyan); padding-left: 14px; margin-top: 24px;
}

/* services */
.svc-pitch { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-bottom: 56px; }
.svc-pitch p { color: var(--muted); font-size: 17px; }
.draft {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; color: #b45309;
  background: #fef3c7; border: 1px solid #fde68a; border-radius: 4px;
  padding: 3px 9px; text-transform: uppercase; vertical-align: 2px;
}
.svc-callout {
  background: var(--white); border: 1px solid var(--line); border-radius: 12px;
  padding: 26px 28px;
}
.svc-callout h4 { font-size: 16px; margin-bottom: 10px; }
.svc-callout p { color: var(--muted); font-size: 15px; }

/* process timeline (horizontal mono) */
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 8px; }
.step { border-top: 2px solid var(--navy); padding-top: 18px; }
.step-idx { font-family: var(--mono); font-size: 12px; color: var(--cyan); letter-spacing: 0.08em; }
.step h3 { font-size: 18px; margin: 8px 0 8px; }
.step p { color: var(--muted); font-size: 15px; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-grid p { color: var(--muted); font-size: 17px; margin-bottom: 16px; }
.principles { list-style: none; margin-top: 8px; }
.principles li {
  display: flex; gap: 12px; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 16px;
}
.principles li .mark { color: var(--cyan); font-family: var(--mono); flex: none; }

/* contact / cta */
.cta { background: var(--navy); color: var(--white); text-align: left; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cta h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.05; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.cta h2 .accent { color: var(--cyan); }
.cta p { color: #b6c2d6; font-size: 17px; margin-bottom: 26px; max-width: 440px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta .btn--cyan { font-weight: 700; }
.contact-line { font-family: var(--mono); font-size: 14px; color: #b6c2d6; margin-top: 22px; }
.contact-line a { color: var(--cyan); border-bottom: 1px solid var(--cyan-line); }
.contact-line a:hover { color: #fff; border-color: #fff; }
.cta-card {
  background: var(--navy-2); border: 1px solid var(--line-dark); border-radius: 14px;
  padding: 30px 32px; text-align: left;
}
.cta-card h3 { font-size: 20px; margin-bottom: 10px; }
.cta-card p { font-size: 15px; color: #b6c2d6; margin-bottom: 22px; }
.cta-card .meta { font-family: var(--mono); font-size: 12px; color: var(--muted-2); letter-spacing: 0.06em; }

/* footer */
.footer { border-top: 1px solid var(--line-dark); background: var(--navy); color: #b6c2d6; }
.footer-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 40px 28px; max-width: var(--maxw); margin: 0 auto;
}
.footer .wordmark-text { color: var(--white); }
.footer-links { display: flex; gap: 26px; font-size: 14px; }
.footer-links a { color: #b6c2d6; }
.footer-links a:hover { color: var(--cyan); }
.footer-copy { font-family: var(--mono); font-size: 12px; color: var(--muted-2); }

/* ---------- legal pages ---------- */
.legal { padding: 72px 0 96px; }
.legal .wrap { max-width: 800px; }
.legal h1 { font-size: 38px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.legal .updated { font-family: var(--mono); font-size: 12px; color: var(--muted-2); margin-bottom: 36px; }
.legal h2 { font-size: 20px; margin: 34px 0 12px; }
.legal p, .legal li { color: var(--muted); font-size: 16px; }
.legal ul { padding-left: 22px; margin: 10px 0; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--cyan); }
.draft-banner {
  background: #fef3c7; border: 1px solid #fde68a; border-radius: 8px;
  padding: 14px 18px; color: #92400e; font-size: 14px; margin-bottom: 28px;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; padding: 60px 28px 72px; gap: 44px; }
  .svc-pitch, .about-grid, .cta-grid { grid-template-columns: 1fr; gap: 32px; }
  .process { grid-template-columns: 1fr; gap: 24px; }
  .nav-links { display: none; }  /* mobile: wordmark only; can add a menu later */
}
@media (max-width: 560px) {
  .hero h1 { font-size: 38px; }
  .btn { width: 100%; justify-content: center; }
  .footer-row { flex-direction: column; text-align: center; gap: 18px; }
  .idx-item { grid-template-columns: 1fr; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}