/* Kaarna */
:root {
  --bg: #FAF7F2;
  --bg-alt: #F2EDE4;
  --ink: #1C2420;
  --ink-soft: #4A544E;
  --primary: #234A38;
  --primary-deep: #163326;
  --sage: #5F7A64;
  --accent: #8A6B52;
  --line: #E3DCD0;
  --code-bg: #1E2B25;
  --code-ink: #D8E4DC;
  --max: 1080px;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .display { font-family: "Source Serif 4", Georgia, serif; font-weight: 550; letter-spacing: -0.01em; font-variant-ligatures: none; font-feature-settings: "liga" 0, "dlig" 0; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); line-height: 1.08; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.2; }
h3 { font-size: 1.15rem; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Nav */
nav { border-bottom: 1px solid var(--line); background: rgba(250,247,242,0.92); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: "Source Serif 4", Georgia, serif; font-size: 1.35rem; font-weight: 600; color: var(--ink); letter-spacing: 0.01em; }
.logo .dot { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; font-size: 0.95rem; }
.nav-links a { color: var(--ink-soft); }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.btn {
  display: inline-block; background: var(--primary); color: #fff !important;
  padding: 10px 22px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  transition: background .15s ease;
}
.btn:hover { background: var(--primary-deep); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--primary) !important; border: 1.5px solid var(--primary); }
.btn.ghost:hover { background: var(--primary); color: #fff !important; }

/* Hero */
.hero { padding: 96px 0 72px; }
.hero .kicker { color: var(--accent); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 18px; }
.hero p.lede { font-size: 1.25rem; color: var(--ink-soft); max-width: 620px; margin: 24px 0 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--bg-alt); }
.section-kicker { color: var(--sage); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 12px; }
.section-lede { color: var(--ink-soft); max-width: 640px; margin-top: 14px; }

/* Pillar grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 44px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px;
}
.card .icon { font-size: 1.4rem; margin-bottom: 12px; display: block; }
.card h3 { margin-bottom: 8px; color: var(--primary); }
.card p { font-size: 0.95rem; color: var(--ink-soft); }

/* Code block */
pre {
  background: var(--code-bg); color: var(--code-ink); border-radius: var(--radius);
  padding: 24px 26px; overflow-x: auto; font-size: 0.86rem; line-height: 1.6;
  font-family: "SF Mono", ui-monospace, Menlo, monospace; margin-top: 32px;
}
pre .c { color: #7E9486; } /* comment */
pre .k { color: #A8C7B2; font-weight: 600; } /* key */
pre .s { color: #E0CDA9; } /* string */

/* Two-col feature rows */
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 48px; }
.row p { color: var(--ink-soft); margin-top: 12px; }
@media (max-width: 800px) { .row { grid-template-columns: 1fr; } }

/* Lists */
ul.checks { list-style: none; margin-top: 18px; }
ul.checks li { padding-left: 28px; position: relative; margin-bottom: 10px; color: var(--ink-soft); }
ul.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--sage); font-weight: 700; }

/* CTA band */
.cta-band { background: var(--primary); color: #fff; text-align: center; padding: 80px 24px; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #CFDDD4; max-width: 540px; margin: 16px auto 32px; }
.cta-band .btn { background: #fff; color: var(--primary) !important; }
.cta-band .btn:hover { background: var(--bg); }

/* Footer */
footer { padding: 48px 0; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--ink-soft); }
.foot-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: var(--ink-soft); }

/* Page hero (subpages) */
.page-hero { padding: 80px 0 56px; }
.page-hero p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 640px; margin-top: 20px; }

/* Trust diagram */
.flow { display: flex; align-items: stretch; gap: 0; margin-top: 44px; flex-wrap: wrap; }
.flow .step { flex: 1; min-width: 150px; background: #fff; border: 1px solid var(--line); padding: 20px 16px; text-align: center; position: relative; }
.flow .step:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.flow .step:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.flow .step + .step { border-left: none; }
.flow .step b { display: block; color: var(--primary); font-size: 0.95rem; margin-bottom: 6px; }
.flow .step span { font-size: 0.82rem; color: var(--ink-soft); }
.flow .step.gate { background: var(--bg-alt); border-top: 3px solid var(--accent); }

@media (max-width: 720px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
  .hero { padding: 64px 0 48px; }
}