/* itAtlas marketing site — dark "architect's atlas" system.
   Self-contained: system fonts only, no external requests. */
:root {
  --bg: #0a111c;
  --bg-2: #0e1826;
  --bg-3: #12202f;
  --line: #1d2c40;
  --line-2: #2a3d57;
  --ink: #e9eef6;
  --ink-2: #a6b4c8;
  --ink-3: #6b7d97;
  --teal: #0d9488;
  --teal-br: #2dd4bf;
  --amber: #e0a53a;
  --blue: #4f8ff0;
  --rose: #e0669a;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --maxw: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  line-height: 1.6; -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1100px 500px at 78% -8%, rgba(13,148,136,0.14), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 46px 46px, 46px 46px;
  background-position: 0 0, 0 0, 0 0;
}
body::before { /* fade the grid */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(120% 90% at 50% 0%, transparent 30%, var(--bg) 78%);
}
a { color: var(--teal-br); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.small { font-size: 13px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-br); margin: 0 0 14px; }

h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(38px, 6vw, 66px); font-weight: 800; }
h2 { font-size: clamp(27px, 3.6vw, 40px); font-weight: 750; }
h3 { font-size: 19px; font-weight: 700; }
p { color: var(--ink-2); }
.accent { color: var(--teal-br); }
.amber { color: var(--amber); }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 10px; font-weight: 650; font-size: 15px; border: 1px solid var(--line-2); color: var(--ink); cursor: pointer; transition: transform .08s ease, background .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(180deg, #12a99a, #0d9488); border-color: #0d9488; color: #04120f; }
.btn-primary:hover { background: linear-gradient(180deg, #16bdac, #10a394); }
.btn-ghost { background: transparent; }
.btn-lg { padding: 14px 26px; font-size: 16px; }

/* header */
.site-head { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px); background: rgba(10,17,28,0.72); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.logo:hover { text-decoration: none; }
.logo svg { width: 26px; height: 26px; border-radius: 6px; }
.site-head nav { display: flex; gap: 22px; margin-left: 12px; }
.site-head nav a { color: var(--ink-2); font-size: 15px; font-weight: 550; }
.site-head nav a:hover { color: var(--ink); text-decoration: none; }
.site-head .spacer { flex: 1; }

/* sections */
section { padding: 84px 0; }
.hero { padding: 72px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero p.lede { font-size: 19px; color: var(--ink-2); max-width: 34ch; margin: 22px 0 30px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); margin-top: 18px; }
.hero-note b { color: var(--teal-br); font-weight: 600; }

.panel { border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.graph-panel { padding: 8px; box-shadow: 0 30px 80px -40px rgba(0,0,0,0.8); }
.graph-panel .cap { font-family: var(--mono); font-size: 11px; color: var(--ink-3); padding: 8px 12px 2px; display: flex; justify-content: space-between; }

/* trust bar */
.trust { padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust .wrap { display: flex; gap: 34px; flex-wrap: wrap; justify-content: center; align-items: center; }
.trust span { font-family: var(--mono); font-size: 12.5px; color: var(--ink-3); letter-spacing: .04em; }
.trust b { color: var(--ink); }

/* feature grid */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 24px; background: var(--bg-2); transition: border-color .15s, transform .1s; }
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card .ic { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; background: rgba(13,148,136,0.14); margin-bottom: 14px; color: var(--teal-br); }
.card h3 { margin-bottom: 7px; }
.card p { margin: 0; font-size: 15px; }

/* sovereignty band */
.band { background: linear-gradient(180deg, var(--bg-3), var(--bg-2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 11px; color: var(--ink-2); font-size: 15.5px; }
.checks svg { flex: none; color: var(--teal-br); margin-top: 3px; }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step { border: 1px solid var(--line); border-radius: 14px; padding: 24px; background: var(--bg-2); position: relative; }
.step .n { font-family: var(--mono); font-size: 12px; color: var(--teal-br); letter-spacing: .1em; }
.step h3 { margin: 8px 0 6px; }
.step p { margin: 0; font-size: 15px; }

/* pricing */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: stretch; }
.tier { border: 1px solid var(--line); border-radius: 15px; padding: 24px 22px; background: var(--bg-2); display: flex; flex-direction: column; }
.tier.pop { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal) inset, 0 24px 60px -40px rgba(13,148,136,0.7); }
.tier .badge { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-br); }
.tier .price { font-size: 34px; font-weight: 800; letter-spacing: -0.03em; margin: 12px 0 2px; }
.tier .price small { font-size: 14px; font-weight: 500; color: var(--ink-3); }
.tier .cap { color: var(--ink-2); font-size: 14px; margin: 0 0 16px; }
.tier ul { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 9px; font-size: 14px; color: var(--ink-2); }
.tier ul li::before { content: "→ "; color: var(--teal-br); }
.tier .btn { margin-top: auto; justify-content: center; }
.enterprise { margin-top: 16px; border: 1px dashed var(--line-2); border-radius: 15px; padding: 24px; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--bg-2); }

/* generic content pages */
.page-head { padding: 66px 0 30px; border-bottom: 1px solid var(--line); }
.prose { padding: 44px 0 80px; }
.prose .wrap { max-width: 760px; }
.prose h2 { font-size: 24px; margin: 38px 0 12px; }
.prose h3 { margin: 26px 0 8px; }
.prose p, .prose li { color: var(--ink-2); font-size: 16px; }
.prose ul { padding-left: 20px; display: grid; gap: 8px; }
.prose .muted { color: var(--ink-3); font-size: 14px; }
.faq-item { border-top: 1px solid var(--line); padding: 22px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin-bottom: 8px; }
.faq-item p { margin: 0; }
.kv { font-family: var(--mono); font-size: 13.5px; color: var(--ink-2); }
.kv b { color: var(--ink); }

/* CTA strip */
.cta { text-align: center; }
.cta .panel { padding: 54px 28px; }
.cta h2 { margin-bottom: 10px; }
.cta p { max-width: 46ch; margin: 0 auto 24px; }

/* footer */
.site-foot { border-top: 1px solid var(--line); background: var(--bg-2); padding: 54px 0 30px; margin-top: 30px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.foot-grid h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; }
.foot-grid a { display: block; color: var(--ink-2); font-size: 14.5px; padding: 4px 0; }
.foot-grid a:hover { color: var(--ink); text-decoration: none; }
.foot-grid p { font-size: 14px; margin: 10px 0; max-width: 32ch; }
.foot-base { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 36px; padding-top: 22px; color: var(--ink-3); font-size: 13.5px; }

@media (max-width: 900px) {
  .hero-grid, .band .wrap { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .site-head nav { display: none; }
  section { padding: 60px 0; }
}
@media (max-width: 560px) { .tiers { grid-template-columns: 1fr; } }