/* ============================================================
   TraceOps Labs - design system
   Palette + type extracted from the original bundled site.
   ============================================================ */

:root {
  --bg:        #FAFAFB;
  --surface:   #FFFFFF;
  --ink:       #0F1A2E;   /* navy - headings, primary text */
  --ink-soft:  #24334d;
  --muted:     #6B7280;   /* secondary text */
  --line:      #E5E7EB;   /* hairlines */
  --line-2:    #D1D5DB;
  --accent:    #06B6D4;   /* cyan */
  --accent-ink:#0891A6;
  --accent-tint:#ECFEFF;
  --signal:    #E24A33;   /* report red - used only in the sample report */
  --report-bg:#FBF9F5;

  --radius:    16px;
  --radius-sm: 10px;
  --shadow:    0 12px 24px -12px rgba(15,26,46,.15);
  --shadow-lg: 0 20px 40px -20px rgba(15,26,46,.15), 0 4px 12px -4px rgba(15,26,46,.06);

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --maxw: 1140px;
}

/* ---------- reset / base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; font-weight: 700; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
section { padding: 96px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
h2.title { font-size: clamp(28px, 4vw, 40px); margin: 16px 0 14px; }
.lead { color: var(--muted); font-size: 17px; max-width: 60ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 14px; font-weight: 600;
  padding: 10px 18px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -20px rgba(15,26,46,.4); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* ============================================================
   header / nav
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,251,.82);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; font-size: 18px; }
.brand .logo { width: 30px; height: 30px; flex: none; border-radius: 7px; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14.5px; color: var(--ink-soft); transition: color .15s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-cta .btn { padding: 8px 16px; font-size: 13.5px; }
.nav-menu-cta { display: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; }

/* ============================================================
   hero
   ============================================================ */
.hero { position: relative; padding: 112px 0 80px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(circle at 72% 28%, rgba(6,182,212,.10), transparent 58%);
}
.hero-top { display: grid; grid-template-columns: 1.35fr .65fr; gap: 48px; align-items: center; }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: 100%; max-width: 340px; border-radius: 20px; border: 1px solid var(--line); box-shadow: var(--shadow-lg); }
.hero h1 { font-size: clamp(40px, 6.2vw, 68px); letter-spacing: -.035em; max-width: 14ch; }
.hero .lead { font-size: 19px; margin: 24px 0 8px; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-note { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: 18px; letter-spacing: .01em; }
.hero-motif { font-family: var(--mono); font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 22px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-motif span { opacity: .5; }

/* stat strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); }
.stat .n { font-size: 30px; font-weight: 700; letter-spacing: -.03em; }
.stat .l { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }

/* ============================================================
   how it works - steps
   ============================================================ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); position: relative;
}
.step .num { font-family: var(--mono); font-size: 13px; color: var(--accent-ink); font-weight: 600; }
.step h3 { font-size: 18px; margin: 14px 0 8px; }
.step p { font-size: 14.5px; color: var(--muted); }

/* ============================================================
   capabilities - cards
   ============================================================ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--line-2); }
.card .ico { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--accent-tint); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--muted); }

/* ============================================================
   chains & data sources
   ============================================================ */
.chains { background: var(--ink); color: #fff; border-radius: 24px; padding: 56px 48px; text-align: center; }
.chains .kicker { color: var(--accent); }
.chains h2 { color: #fff; }
.chains .lead { color: #aab6c9; margin-inline: auto; }
.chip-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; justify-content: center; }
.chip {
  font-family: var(--mono); font-size: 13px; letter-spacing: .01em;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16); color: #dfe6f0; background: rgba(255,255,255,.04);
}
.chip.solid { background: var(--accent); color: var(--ink); border-color: transparent; font-weight: 600; }

/* ============================================================
   report
   ============================================================ */
.report-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.sections-lead { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.sections-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sec-item { display: flex; align-items: center; gap: 10px; font-size: 14px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.sec-item .i { font-family: var(--mono); font-size: 11px; color: var(--accent-ink); }
.discipline { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); padding: 20px 22px; margin-top: 18px; }
.discipline p { font-size: 15px; color: var(--ink-soft); }
.discipline p + p { margin-top: 12px; }

/* sample report - matches the real report aesthetic (Georgia / red) */
.sample {
  font-family: Georgia, 'Times New Roman', serif; background: var(--report-bg);
  border: 1px solid #eadfce; border-radius: var(--radius); padding: 30px 30px 26px; box-shadow: var(--shadow); position: relative;
}
.sample .flag { position: absolute; top: 16px; right: 16px; font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: #b08968; background: #f3ead9; padding: 4px 8px; border-radius: 4px; }
.sample .kick { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--signal); }
.sample h4 { font-family: Georgia, serif; font-size: 22px; margin: 6px 0 4px; color: #1a1a1a; letter-spacing: -.01em; }
.sample .meta { font-family: var(--mono); font-size: 11.5px; color: #7a7266; margin-bottom: 16px; }
.sample hr { border: 0; border-top: 1px solid #eadfce; margin: 14px 0; }
.sample .h { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #9a8f7d; margin-bottom: 4px; }
.sample p { font-size: 15px; color: #2a2622; }
.sample .row { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12.5px; color: #3a352e; padding: 3px 0; }
.sample .row .v { color: var(--signal); }

/* ============================================================
   security
   ============================================================ */
.sec-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sec-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.sec-card h3 { font-size: 16px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.sec-card p { font-size: 14px; color: var(--muted); }

/* ============================================================
   contact / request access
   ============================================================ */
.cta {
  background: linear-gradient(160deg, #0F1A2E 0%, #16233c 100%); color: #fff;
  border-radius: 24px; padding: 64px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(6,182,212,.16), transparent 55%); }
.cta > * { position: relative; }
.cta h2 { color: #fff; font-size: clamp(28px, 4vw, 40px); }
.cta p { color: #aab6c9; max-width: 52ch; margin: 16px auto 0; }
.cta .hero-actions { justify-content: center; }
.cta .btn-primary { background: var(--accent); color: var(--ink); }
.cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,.3); }
.contact-line { font-family: var(--mono); font-size: 13px; color: #8494ab; margin-top: 22px; }
.contact-line .ph { color: var(--accent); }

/* ============================================================
   footer
   ============================================================ */
.footer { border-top: 1px solid var(--line); padding: 40px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer .brand { font-size: 16px; }
.footer .disc { font-size: 13px; color: var(--muted); max-width: 52ch; }
.footer .fine { font-family: var(--mono); font-size: 12px; color: var(--line-2); }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 24px 16px;
  }
  .nav-links.open a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-cta .btn { display: none; }
  .nav-links.open .nav-menu-cta {
    display: block; text-align: center; color: #fff; background: var(--ink);
    border-radius: 999px; margin-top: 14px; padding: 13px 28px; border-bottom: none;
  }
  .nav-toggle { display: block; }
  .steps, .cards, .sec-cards, .stats { grid-template-columns: repeat(2, 1fr); }
  .report-cols { grid-template-columns: 1fr; gap: 32px; }
  .chains, .cta { padding: 44px 28px; }
  .hero-top { grid-template-columns: 1fr; gap: 28px; }
  .hero-art { max-width: 340px; margin-inline: auto; }
}
@media (max-width: 560px) {
  section { padding: 68px 0; }
  .steps, .cards, .sec-cards, .sections-grid { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 56px; }
  .stat .n { font-size: 26px; }
}