/* Perimeter marketing site — tokens from security-monitor/docs/brand.md (dark only) */

:root {
  --ink: #05060a;
  --fg: #e2e8f0;
  --nav: #cbd5e1;
  --muted: #94a3b8;
  --link: #67e8f9;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --blue-400: #60a5fa;
  --violet: #8b5cf6;
  --violet-400: #a78bfa;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --input: rgba(255, 255, 255, 0.05);
  --btn-fg: #06101f;
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --code-bg: #0a0d16;
  --grade-a: #15803d;
  --grade-b: #0e7490;
  --grade-c: #b45309;
  --grade-d: #c2410c;
  --grade-f: #b91c1c;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 16px;
  --max: 1080px;
  --gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(60rem 30rem at 15% -10%, rgba(59, 130, 246, 0.18), transparent),
    radial-gradient(50rem 25rem at 100% 0, rgba(139, 92, 246, 0.14), transparent);
  background-repeat: no-repeat;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { filter: brightness(1.15); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5.5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.125rem; letter-spacing: -0.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.25rem; }
code, kbd, pre { font-family: var(--mono); font-size: 0.9em; }
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1em 0.4em;
  color: var(--fg);
  word-break: break-word;
}
pre {
  margin: 0;
  padding: 14px 16px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow-x: auto;
  color: var(--nav);
  line-height: 1.5;
}
pre code { background: none; border: 0; padding: 0; }
svg { flex-shrink: 0; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--cyan);
  color: var(--btn-fg);
  border-radius: 999px;
  font-weight: 700;
}
.skip-link:focus { top: 12px; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.narrow { max-width: 760px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(103, 232, 249, 0.9);
}

.gradient-text {
  background: linear-gradient(to right, var(--cyan), var(--blue-400), var(--violet-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(to right, var(--cyan), var(--blue));
  color: var(--btn-fg);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-secondary {
  background: var(--input);
  border-color: rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  font-weight: 600;
}
.btn-secondary:hover { background: var(--surface-2); filter: none; }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn-block { width: 100%; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 6, 10, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
}
.brand:hover { filter: none; }
.brand-name { font-family: var(--mono); font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.brand-by { font-size: 12px; color: var(--muted); font-weight: 500; }
.brand-by b { font-family: var(--mono); font-weight: 700; color: var(--nav); }
.brand-by .three { color: var(--cyan); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--fg);
  cursor: pointer;
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { font-size: 14px; font-weight: 500; color: var(--nav); text-decoration: none; }
.site-nav a:hover { color: #fff; filter: none; }
.site-nav a.nav-login { font-weight: 600; color: var(--link); }
.site-nav .btn { height: 38px; padding: 0 16px; font-size: 14px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px var(--gutter) 20px;
    background: rgba(5, 6, 10, 0.97);
    border-bottom: 1px solid var(--border);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px 6px; font-size: 16px; }
  .site-nav .btn { margin-top: 8px; height: 44px; font-size: 15px; }
}

/* Sections */
main { display: block; }
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-head { display: flex; flex-direction: column; gap: 12px; max-width: 680px; margin-bottom: 36px; }
.section-head p { color: var(--muted); font-size: 17px; }
@media (max-width: 640px) { .section { padding: 52px 0; } }

/* Hero */
.hero { padding: 72px 0 64px; }
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 20px; }
.hero-copy p.lead { font-size: 18px; color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.hero-note { font-size: 13px; color: var(--muted); }
.hero-note code { font-size: 12px; }
@media (max-width: 860px) {
  .hero { padding: 48px 0 40px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 480px) {
  .hero-actions .btn { width: 100%; }
}

/* Example scorecard in hero */
.scorecard {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.scorecard-top { display: flex; align-items: center; gap: 16px; }
.grade-tile {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  flex: 0 0 72px;
}
.scorecard-domain { font-family: var(--mono); font-size: 16px; font-weight: 700; word-break: break-all; }
.scorecard-score { font-size: 22px; font-weight: 700; }
.scorecard-score small { font-size: 13px; color: var(--muted); font-weight: 500; }
.scorecard-meta { font-size: 12px; color: var(--muted); }
.cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.cat-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; font-size: 13px; }
.cat-row .bar { grid-column: 1 / -1; height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.cat-row .bar span { display: block; height: 100%; }
.cat-row .chip {
  display: inline-flex;
  width: 24px;
  height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
}
.cat-row .cat-sub { grid-column: 1 / -1; font-size: 12px; color: var(--muted); }
.scorecard-fix {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  font-size: 13px;
}
.scorecard-fix strong { display: block; font-size: 13px; }
.scorecard-fix span.sev { white-space: nowrap; }
.sev {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.sev-high { background: rgba(251, 146, 60, 0.16); color: #fdba74; }
.sev-medium { background: rgba(251, 191, 36, 0.16); color: #fcd34d; }

/* Cards and grids */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card p { color: var(--muted); font-size: 14px; }
.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--cyan);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card.is-soon { border-style: dashed; }
.card.is-soon .card-icon { background: var(--surface-2); border-color: var(--border); color: var(--muted); }
.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-now { background: rgba(74, 222, 128, 0.14); color: var(--ok); }
.badge-soon { background: rgba(251, 191, 36, 0.14); color: #fcd34d; }
.badge-accent { background: rgba(103, 232, 249, 0.12); color: var(--link); }
.check-list { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.check-list li { padding-left: 18px; position: relative; }
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--blue);
}

/* Steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.step { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 22px; border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); }
.step-num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--link);
  letter-spacing: 0.15em;
}
.step p { color: var(--muted); font-size: 14px; }
.step code { font-size: 12px; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.plan { border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); padding: 22px 20px; display: flex; flex-direction: column; gap: 14px; }
.plan.is-featured { border-color: rgba(34, 211, 238, 0.45); background: rgba(34, 211, 238, 0.05); }
.plan-name { font-size: 15px; font-weight: 700; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.plan-price { font-size: 32px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.plan-price small { font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan-price.is-custom { font-size: 24px; }
.plan-summary { font-size: 13px; color: var(--muted); min-height: 2.6em; }
.plan ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; font-size: 14px; flex: 1; }
.plan li { display: flex; gap: 8px; align-items: flex-start; }
.plan li svg { margin-top: 4px; color: var(--cyan); }
.plan li.is-off { color: var(--muted); }
.plan li.is-off svg { color: var(--muted); }
.pricing-note { margin-top: 20px; font-size: 13px; color: var(--muted); max-width: 760px; }
@media (max-width: 1100px) { .pricing { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .pricing { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .pricing { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 10px; max-width: 800px; }
.faq details { border: 1px solid var(--border); background: var(--surface); border-radius: 12px; padding: 0 18px; }
.faq summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 0; font-weight: 600; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { color: var(--muted); transition: transform 0.2s ease; }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq .faq-body { padding: 0 0 18px; color: var(--muted); font-size: 15px; display: flex; flex-direction: column; gap: 10px; }

/* CTA band */
.cta-band { border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); padding: 32px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.cta-band p { color: var(--muted); max-width: 540px; }
.cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 36px 0 44px; font-size: 13px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 32px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--nav); text-decoration: none; }
.footer-links a:hover { color: #fff; filter: none; }
.footer-brand { display: flex; flex-direction: column; gap: 6px; }
.footer-brand a { color: var(--nav); }

/* Long-form pages (scanner, terms, privacy) */
.doc { padding: 56px 0 80px; }
.doc-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.doc-head p { color: var(--muted); font-size: 17px; }
.doc-meta { font-size: 13px; color: var(--muted); }
.notice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.10);
  color: #fcd34d;
  font-size: 13px;
  margin-bottom: 24px;
}
.notice svg { margin-top: 2px; }
.prose { display: flex; flex-direction: column; gap: 14px; }
.prose h2 { font-size: 1.5rem; margin-top: 28px; }
.prose h3 { font-size: 1.125rem; margin-top: 12px; }
.prose p, .prose li { color: var(--nav); font-size: 16px; }
.prose ul, .prose ol { display: flex; flex-direction: column; gap: 6px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 6px 0; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.prose th { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 700; }
.prose .table-wrap { overflow-x: auto; }
.prose .panel { border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius); padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.prose .panel h3 { margin-top: 0; }
.do-dont { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 8px 0; }
.do-dont .panel ul { padding-left: 1.1rem; }
.do-dont .panel.is-do h3 { color: var(--ok); }
.do-dont .panel.is-dont h3 { color: var(--bad); }
@media (max-width: 700px) { .do-dont { grid-template-columns: 1fr; } }
.toc { border: 1px solid var(--border); background: var(--surface); border-radius: 12px; padding: 14px 18px; font-size: 14px; }
.toc ol { margin: 6px 0 0; padding-left: 1.25rem; display: grid; gap: 4px; }
.toc a { text-decoration: none; }

/* 404 */
.error-page { min-height: 60vh; display: flex; align-items: center; }
.error-page .wrap { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.error-code { font-family: var(--mono); font-size: 13px; color: var(--link); letter-spacing: 0.2em; }