/* knoxdefender.com public site. Same tokens as the console (design-references/DESIGN.md). */
:root {
  --bg: #f8fafc; --bg-2: #f1f5f9; --surface: #fff; --line: #e2e8f0; --line-strong: #cbd5e1;
  --ink: #0f172a; --ink-2: #475569; --ink-3: #64748b;
  --accent: #059669; --accent-hover: #10b981; --accent-ink: #047857; --mint: #ecfdf5; --mint-line: #a7f3d0;
  --warn: #d97706; --warn-bg: #fef3c7; --bad: #dc2626; --bad-bg: #fee2e2; --info: #2563eb; --info-bg: #eff6ff;
  --radius: 10px; --shadow: 0 1px 2px rgba(15,23,42,.04); --shadow-2: 0 12px 32px -12px rgba(15,23,42,.18);
  --font: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --head: "Plus Jakarta Sans", Inter, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--ink); background: var(--surface); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-ink); }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .6rem; }
h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 700; }
h3 { font-size: 19px; font-weight: 700; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
p { margin: 0 0 1rem; }
.muted { color: var(--ink-2); }
.small { font-size: 14px; }
.center { text-align: center; }
.wrap { width: min(1180px, 100% - 2.5rem); margin: 0 auto; }
.narrow-text { max-width: 780px; }
.narrow-form { max-width: 720px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #fff; padding: .5rem 1rem; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: 2px; }
.icon { width: 22px; height: 22px; flex: none; }
.icon-sm { width: 17px; height: 17px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: saturate(1.2) blur(8px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.brand { display: flex; align-items: center; gap: .55rem; font-family: var(--head); font-weight: 800; font-size: 19px; color: var(--ink); text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.site-nav { display: flex; gap: 1.4rem; margin-left: auto; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: 15px; }
.site-nav a:hover, .site-nav a.is-current { color: var(--ink); }
.header-cta { display: flex; gap: .5rem; }
.mobile-nav { display: none; position: relative; margin-left: auto; }
.mobile-nav summary { list-style: none; font-size: 26px; cursor: pointer; padding: .25rem .5rem; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; right: 0; top: 46px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-2); padding: .5rem; display: flex; flex-direction: column; min-width: 200px; }
.mobile-nav nav a { padding: .6rem .8rem; text-decoration: none; color: var(--ink); border-radius: 6px; }
.mobile-nav nav a:hover { background: var(--bg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 8px; padding: .55rem 1.05rem; font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--line-strong); background: var(--bg); }
.btn.light { background: #fff; color: var(--accent-ink); border-color: #fff; }
.btn-lg { padding: .8rem 1.4rem; font-size: 16px; }
.btn-block { width: 100%; }
.link-arrow { font-weight: 600; text-decoration: none; }
.badge { display: inline-flex; align-items: center; gap: .3rem; font-family: var(--font); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: .15rem .5rem; border-radius: 4px; border: 1px solid transparent; white-space: nowrap; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-ok { background: var(--mint); color: var(--accent); border-color: var(--mint-line); }
.badge-info { background: var(--info-bg); color: var(--info); border-color: #bfdbfe; }
.badge-warn { background: var(--warn-bg); color: var(--warn); border-color: #fde68a; }
.badge-neutral { background: var(--bg-2); color: var(--ink-2); border-color: var(--line); }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 85% -10%, #d1fae5 0%, transparent 60%), var(--bg); padding: 5rem 0 4.5rem; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: .8rem; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 640px; }
.center .lead { margin-left: auto; margin-right: auto; }
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.5rem 0; }
.trust-row { list-style: none; padding: 0; margin: 0; display: flex; gap: 1.25rem; flex-wrap: wrap; color: var(--ink-2); font-size: 14px; }
.trust-row li { display: flex; align-items: center; gap: .4rem; }
.trust-row .icon { color: var(--accent); }
.mock { padding: 1rem; box-shadow: var(--shadow-2); }
.mock-head { display: flex; align-items: center; gap: .5rem; padding-bottom: .7rem; border-bottom: 1px solid var(--line); margin-bottom: .4rem; }
.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--mint); }
.mock-tag { margin-left: auto; font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); border-radius: 4px; padding: 0 .4rem; }
.mock-row { display: flex; align-items: center; gap: .7rem; padding: .65rem .2rem; border-bottom: 1px solid var(--bg-2); font-size: 15px; }
.mock-row span:nth-child(2) { flex: 1; }
.mock-avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--bg-2); }
.mock-foot { font-size: 13px; color: var(--ink-3); padding-top: .7rem; }

/* Sections */
.section { padding: 4.5rem 0; }
.section.alt { background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-lead { max-width: 620px; margin: 0 auto 2.5rem; }
.page-hero { padding: 4rem 0 2.5rem; background: var(--bg); border-bottom: 1px solid var(--line); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.feature { padding: 1.4rem; }
.feature p { color: var(--ink-2); margin: 0; }
.feature-icon { width: 44px; height: 44px; border-radius: 10px; background: var(--mint); color: var(--accent); display: grid; place-items: center; margin-bottom: .9rem; }
.steps-3 { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.steps-3 li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.steps-3 p { color: var(--ink-2); margin: 0; }
.step-n, .flow-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: .8rem; }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; align-items: center; }
.flow { padding: 1.25rem; display: grid; gap: .6rem; }
.flow-step { display: flex; align-items: center; gap: .8rem; padding: .7rem .8rem; background: var(--bg); border-radius: 8px; font-weight: 600; }
.flow-n { width: 28px; height: 28px; margin: 0; font-size: 14px; }
.band { background: linear-gradient(135deg, #047857, #059669); color: #fff; }
.band p { color: #d1fae5; margin: 0; }
.band h2 { color: #fff; }
.band-row { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.faq { border-bottom: 1px solid var(--line); padding: 1rem 0; }
.faq summary { font-weight: 600; cursor: pointer; font-size: 17px; }
.faq p { color: var(--ink-2); margin: .6rem 0 0; }
.cta-final { background: var(--bg); border-top: 1px solid var(--line); }

/* Pricing */
.plan-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.plan { padding: 1.75rem; position: relative; }
.plan.featured { border: 2px solid var(--accent); box-shadow: var(--shadow-2); }
.plan-flag { position: absolute; top: -12px; left: 1.5rem; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: .15rem .6rem; border-radius: 999px; }
.price { margin: 1rem 0; }
.price strong { font-family: var(--head); font-size: 38px; }
.price span { color: var(--ink-3); font-size: 14px; }
.checks { list-style: none; padding: 0; margin: 0 0 1.4rem; display: grid; gap: .5rem; }
.checks li { display: flex; gap: .5rem; align-items: flex-start; font-size: 15px; }
.checks .icon { color: var(--accent); margin-top: 3px; }
.checks li.off { color: var(--ink-3); }
.checks li.off .icon { color: var(--line-strong); }
.calc { margin-top: 2rem; padding: 1.5rem; }
.calc-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.calc-out { font-family: var(--head); font-size: 28px; font-weight: 700; margin: 1rem 0 0; }
.calc-out small { font-family: var(--font); font-size: 14px; font-weight: 400; color: var(--ink-3); }
.feature-grid.three { grid-template-columns: repeat(3, 1fr); }
.plain { color: var(--ink-2); }
.feature-list-long { display: grid; gap: 1.25rem; }
.feature-long { display: grid; grid-template-columns: 56px 1fr; gap: 1.25rem; padding: 1.6rem; }
.feature-long .feature-icon { margin: 0; }
.scope-note { padding: 1.6rem; background: var(--bg); }
.legal h2 { font-size: 22px; margin-top: 1.8rem; }

/* Forms */
.form-card { padding: 1.75rem; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: flex; flex-direction: column; gap: .35rem; font-size: 14px; font-weight: 600; }
label.check { flex-direction: row; align-items: center; gap: .5rem; font-weight: 500; }
input, select, textarea { font: inherit; font-weight: 400; padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); width: 100%; }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--accent); }
input:focus, select:focus, textarea:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(5,150,105,.15); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.alert { border-radius: 8px; padding: .8rem 1rem; }
.alert.error { background: var(--bad-bg); color: #991b1b; }
.alert.warn { background: var(--warn-bg); color: #92400e; margin-bottom: 1.5rem; }

/* Footer */
.site-footer { background: #0f172a; color: #cbd5e1; padding: 3.5rem 0 1.5rem; }
.site-footer .brand { color: #fff; }
.site-footer p { color: #94a3b8; font-size: 14px; margin-top: .8rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid h3 { font-family: var(--font); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: #fff; }
.footer-grid a:not(.brand) { display: block; color: #cbd5e1; text-decoration: none; padding: .2rem 0; font-size: 15px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid #1e293b; margin-top: 2.5rem; padding-top: 1.25rem; font-size: 13px; color: #94a3b8; }

@media (max-width: 960px) {
  .site-nav, .header-cta { display: none; }
  .mobile-nav { display: block; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .feature-grid, .feature-grid.three, .plan-cards, .steps-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 3rem 0; }
  .section { padding: 3rem 0; }
}
@media (max-width: 560px) {
  .row2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .feature-long { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }