/* Site pages around the question player. Colors and fonts come from the tokens in lab.css.
   Layout: one centered column (max 1120px), header nav, sections separated by space, not boxes. */
.site-head {
  border-bottom: 1px solid var(--line); background: var(--panel);
}
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; padding-block: 12px; }
.site-head .brand { text-decoration: none; color: var(--ink); }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; margin-left: auto; font-size: 14px; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"] { font-weight: 600; }
.site-nav .btn { color: var(--accent-ink); }
a.btn { display: inline-flex; align-items: center; text-decoration: none; color: inherit; }
a.btn.primary { color: var(--accent-ink); }

.preview-bar { background: var(--accent-soft); font-size: 13px; }
.preview-bar .wrap { padding-block: 8px; }

main.site { display: flex; flex-direction: column; gap: 56px; padding-block: 36px 24px; }
@media (max-width: 620px) { main.site { gap: 40px; padding-block: 24px 16px; } }
.site h1 { font-size: clamp(28px, 4.4vw, 42px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 14px; text-wrap: balance; }
.site h2 { font-size: 22px; line-height: 1.25; margin: 0 0 6px; text-wrap: balance; }
.site h3 { font-size: 16px; margin: 0 0 4px; }
.lede { font-size: 17px; color: var(--muted); max-width: 60ch; margin: 0 0 22px; }
.section-intro { color: var(--muted); max-width: 64ch; margin: 0 0 18px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.small { font-size: 13px; color: var(--muted); }

/* Home hero: copy on the left, a rule table like the one learners fill in on the right */
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 36px; align-items: center; }
@media (max-width: 860px) { .hero { grid-template-columns: minmax(0, 1fr); } }
.hero-demo { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; min-width: 0; }
.hero-demo .scroll { margin: 0; }
.demo-table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12.5px; min-width: 380px; }
.demo-table th { text-align: left; font-weight: 500; color: var(--muted); padding: 6px; border-bottom: 1px solid var(--line); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }
.demo-table td { padding: 7px 6px; border-bottom: 1px solid var(--line); }
.demo-table tr.hit td { background: var(--ok-soft); }
.demo-table tr.deny td { color: var(--muted); }
.demo-test { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 12px; margin-top: 12px; font-family: var(--mono); font-size: 12.5px; }
.demo-test b { color: var(--ok); font-weight: 600; }
.demo-cap { margin: 10px 0 0; font-size: 13px; color: var(--muted); }

/* Six task types */
.types { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 0; }
@media (max-width: 860px) { .types { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .types { grid-template-columns: minmax(0, 1fr); } }
.types li { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: var(--panel); }
.types p { margin: 0; font-size: 14px; color: var(--muted); }
.types .tag { font-family: var(--mono); font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 6px; }

/* Objective sample */
.obj-sample { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; max-width: 64ch; font-size: 14px; }
.obj-sample p { margin: 0; }
.obj-sample p + p { margin-top: 4px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 36px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }
.facts { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.facts b { font-weight: 600; }

/* Security+ hub */
.domain-block { display: flex; flex-direction: column; gap: 8px; }
.domain-block + .domain-block { margin-top: 28px; }
.domain-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.domain-head .num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.domain-head .count { font-size: 13px; color: var(--muted); margin-left: auto; }
.q-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.q-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); color: inherit; text-decoration: none; }
a.q-item:hover { border-color: var(--accent); }
.q-item .q-title { font-weight: 500; }
.q-item .q-meta { font-size: 13px; color: var(--muted); grid-column: 1; }
.q-item .q-meta .mono { font-family: var(--mono); font-size: 12px; }
.badge { grid-column: 2; grid-row: 1 / span 2; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.badge.free { background: var(--ok-soft); color: var(--ok); }
.badge.paid { background: var(--code-bg); color: var(--muted); }
.q-item.locked { background: none; }
@media (max-width: 520px) { .q-item { grid-template-columns: minmax(0, 1fr); } .badge { grid-column: 1; grid-row: auto; justify-self: start; } }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 860px) { .plans { grid-template-columns: minmax(0, 1fr); max-width: 480px; } }
.plan { border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--panel); display: flex; flex-direction: column; gap: 12px; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan .price { font-size: 32px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.plan .price small { font-size: 14px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.plan ul { margin: 0; padding-left: 18px; font-size: 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.plan .btn { justify-content: center; }
.plan .btn[disabled] { opacity: 0.6; cursor: not-allowed; }
.faq { display: flex; flex-direction: column; gap: 14px; max-width: 68ch; }
.faq h3 { margin-bottom: 2px; }
.faq p { margin: 0; color: var(--muted); font-size: 14px; }

/* Unlock */
.unlock-form { display: flex; flex-direction: column; gap: 8px; max-width: 460px; }
.unlock-form label { font-weight: 500; font-size: 14px; }
.unlock-row { display: flex; flex-wrap: wrap; gap: 8px; }
.unlock-row input { flex: 1 1 220px; min-width: 0; font-family: var(--mono); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; }
.unlock-status { font-size: 14px; min-height: 1.5em; margin: 0; }
.unlock-status.bad { color: var(--bad); }

/* Player page: the rail and panel sit under the site header */
.play-wrap { padding-block: 20px 8px; }

.site-foot { border-top: 1px solid var(--line); margin-top: 24px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding-block: 18px 28px; font-size: 12px; color: var(--muted); }
.site-foot p { margin: 0; max-width: 80ch; }
.site-foot a { color: var(--muted); }

/* Return from Stripe checkout: shows the new license key */
.claim { max-width: 460px; border: 1px solid var(--line); background: var(--panel); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.claim.bad { border-color: var(--bad); }
.claim p { margin: 0; }
.claim .key { font-family: var(--mono); font-size: 15px; letter-spacing: 0.04em; overflow-wrap: anywhere; user-select: all; }