/* Advertisegames site styles (2026 redesign). Layout modelled on
   opquests.com/advertise, in a light theme with the Advertisegames blue.
   Used by index, contact and faq; the old theme files stay for 404.html. */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f7fc;
  --panel: #ffffff;
  --line: #e3e8f1;
  --text: #101b2d;
  --soft: #4a5568;
  --muted: #7a8599;
  --blue: #0c5adb;
  --blue-hover: #083fae;
  --blue-deep: #00138e;
  --blue-tint: #e8f0fd;
  --navy: #071634;
  --green: #16a34a;
  --shadow: 0 2px 12px rgba(16, 27, 45, .05);
  --shadow-md: 0 16px 36px rgba(16, 27, 45, .09);
  --radius-lg: 18px;
  --radius: 12px;
  --radius-sm: 8px;
  --wrap: 1200px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--blue); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--blue); color: #fff; font: inherit; font-weight: 700;
  text-decoration: none; padding: 14px 26px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--blue-hover); color: #fff; }
.btn.ghost { background: #fff; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { background: var(--bg-soft); color: var(--blue); }
.btn.small { padding: 10px 18px; font-size: 14px; }
.btn:disabled { opacity: .6; cursor: default; }
.btn:focus-visible, .nav a:focus-visible, .field input:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(160%) blur(10px); -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.logo img { height: 40px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--soft); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blue); }
.nav .btn, .nav .btn:hover { color: #fff; }
.menu-toggle { display: none; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); width: 44px; height: 44px; color: var(--text); cursor: pointer; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after { display: block; width: 20px; height: 2px; background: currentColor; margin: 0 auto; position: relative; content: ""; }
.menu-toggle span::before { position: absolute; top: -6px; }
.menu-toggle span::after { position: absolute; top: 6px; }

/* Shared section bits */
.eyebrow { color: var(--blue); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
section { padding: 56px 0; }
h2 { font-size: 34px; line-height: 1.15; font-weight: 800; margin-bottom: 12px; }
.sub { color: var(--muted); max-width: 660px; margin-bottom: 36px; font-size: 17px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* Hero */
.hero { padding: 72px 0 40px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 54px; line-height: 1.05; margin: 12px 0 18px; font-weight: 900; letter-spacing: -.02em; }
.hero h1 span { color: var(--blue); }
.lead { font-size: 19px; color: var(--soft); margin-bottom: 28px; }
.hero .btn { margin: 0 8px 8px 0; }
.proof { background: linear-gradient(150deg, var(--blue), var(--blue-deep)); color: #fff; border-radius: var(--radius-lg); padding: 30px; box-shadow: 0 24px 50px rgba(12, 90, 219, .25); }
.proof .big { font-size: 76px; font-weight: 900; line-height: 1; }
.proof p { color: rgba(255, 255, 255, .92); margin-top: 10px; }
.proof small { color: rgba(255, 255, 255, .72); display: block; margin-top: 12px; font-size: 13px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stats div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stats b { display: block; font-size: 32px; font-weight: 800; line-height: 1.2; }
.stats b em { font-style: normal; color: var(--blue); }
.stats span { color: var(--muted); font-size: 14px; }
.note { color: var(--muted); font-size: 13px; }

/* Platforms */
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.platform { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.platform .plate { background: var(--bg-soft); border-bottom: 1px solid var(--line); display: grid; place-items: center; height: 130px; }
.platform .plate img { height: 120px; width: auto; }
.platform .body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.platform h3 { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.platform .tag { color: var(--blue); font-size: 13px; font-weight: 700; margin-bottom: 10px; }
.platform p { color: var(--soft); font-size: 15px; margin-bottom: 18px; }
.platform a.more { margin-top: auto; font-weight: 700; text-decoration: none; }
.platform a.more:hover { text-decoration: underline; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: step; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.steps li::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 800; margin-bottom: 14px; }
.steps h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: 15px; }

/* Split + checks */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.checks li { padding: 14px 0 14px 34px; border-bottom: 1px solid var(--line); position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 13px; color: var(--blue); font-weight: 900; }
.checks b { display: block; }
.checks span { color: var(--muted); font-size: 15px; }

/* Case study */
.case { background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-md); }
.case .eyebrow { color: rgba(255, 255, 255, .8); }
.case-head { display: flex; gap: 24px; align-items: center; justify-content: space-between; }
.case-head h2, .case-head h3 { font-size: 24px; font-weight: 800; margin: 4px 0 6px; }
.case-head p { color: rgba(255, 255, 255, .9); }
.case-head img { width: 240px; aspect-ratio: 460 / 215; object-fit: cover; border-radius: 10px; flex-shrink: 0; box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }
.case .row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.case .row div { background: rgba(255, 255, 255, .14); border-radius: 10px; padding: 14px 16px; }
.case .row b { display: block; font-size: 28px; font-weight: 800; }
.case .row span { color: rgba(255, 255, 255, .85); font-size: 13px; }

/* Tasks */
.tasks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tasks li { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; font-weight: 600; box-shadow: var(--shadow); }
.tasks small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; }

/* Games shelf */
.shelf { position: relative; }
.games { display: grid; grid-auto-flow: column; grid-template-rows: repeat(3, auto); grid-auto-columns: 220px; gap: 12px; overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: 14px; scrollbar-width: thin; scrollbar-color: #c9d2e1 transparent; }
.tile { position: relative; scroll-snap-align: start; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 460 / 215; background: var(--bg-soft); margin: 0; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s; }
.tile:hover img { transform: scale(1.05); }
.tile .fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 10px; text-align: center; font-weight: 700; font-size: 14px; }
.tile .fallback[hidden] { display: none; }
.tile figcaption { position: absolute; left: 6px; bottom: 6px; background: rgba(0, 0, 0, .78); color: #fff; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.tile figcaption b { color: #7fb0ff; }
.shelf .arrow { position: absolute; top: calc(50% - 7px); transform: translateY(-50%); width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--text); font-size: 20px; line-height: 1; cursor: pointer; z-index: 2; box-shadow: var(--shadow-md); }
.shelf .arrow:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.shelf .prev { left: -12px; }
.shelf .next { right: -12px; }
.shelf::after { content: ""; position: absolute; top: 0; right: 0; bottom: 14px; width: 60px; background: linear-gradient(90deg, rgba(255, 255, 255, 0), #fff); pointer-events: none; }
@media (hover: none) { .shelf .arrow { display: none; } }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service { padding: 24px; }
.service .icon { width: 52px; height: 52px; border-radius: 12px; background: var(--blue-tint); display: grid; place-items: center; margin-bottom: 16px; }
.service .icon img { width: 34px; height: 34px; }
.service h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.service p { color: var(--muted); font-size: 15px; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about p { color: var(--soft); margin-bottom: 14px; }
.values { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.values li { padding: 18px; }
.values b { display: block; font-size: 17px; margin-bottom: 4px; }
.values span { color: var(--muted); font-size: 14px; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px; display: flex; flex-direction: column; box-shadow: var(--shadow); }
.plan.featured { border: 2px solid var(--blue); background: linear-gradient(160deg, var(--blue-tint), #fff 55%); box-shadow: var(--shadow-md); }
.plan .len { color: var(--blue); font-weight: 700; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.plan h3 { margin: 6px 0 10px; font-size: 26px; font-weight: 800; }
.plan p { color: var(--soft); margin-bottom: 18px; }
.plan ul { margin-bottom: 24px; color: var(--muted); font-size: 15px; }
.plan li { padding: 5px 0 5px 24px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 900; }
.plan .price { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.plan .price span { color: var(--muted); font-size: 14px; }

/* FAQ */
details { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; margin-bottom: 10px; box-shadow: var(--shadow); }
summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--blue); font-weight: 800; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--soft); margin-top: 10px; }
.faq-more { margin-top: 18px; }

/* Contact / quote */
.quote { background: radial-gradient(120% 140% at 0% 0%, var(--blue-tint), transparent 60%), var(--bg-soft); border: 1px solid var(--line); border-radius: 22px; padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; margin: 40px 0 72px; }
.quote h2 { font-size: 36px; }
.quote .intro p { color: var(--soft); margin-bottom: 18px; }
.contact-lines li { display: flex; gap: 10px; padding: 6px 0; color: var(--soft); }
.contact-lines b { color: var(--muted); font-weight: 600; min-width: 64px; }
.contact-lines a { color: var(--blue); }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-md); }
.form-card + .form-card { margin-top: 16px; }
.form-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.form-card > p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--soft); }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--text); background: #fff;
  border: 1px solid #d5dce8; border-radius: var(--radius-sm); padding: 12px 14px;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #9aa4b5; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(12, 90, 219, .15); }
.form-actions { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.form-status { font-size: 14px; color: var(--muted); }
.form-status.ok { color: var(--green); }
.form-status.err { color: #dc2626; }

/* Inner page header (contact, faq) */
.page-head { padding: 64px 0 24px; }
.page-head h1 { font-size: 46px; line-height: 1.08; font-weight: 900; letter-spacing: -.02em; margin: 10px 0 14px; }
.page-head p { color: var(--soft); font-size: 18px; max-width: 660px; }
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: start; padding-bottom: 72px; }
.info-card { padding: 24px; }
.info-card + .info-card { margin-top: 16px; }
.info-card h3 { font-size: 17px; margin-bottom: 10px; }
.info-card p { color: var(--soft); font-size: 15px; }

/* Footer (dark navy, as on the previous design) */
.site-footer { background: var(--navy); padding: 48px 0 28px; color: #a9b4c8; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.foot-title { color: #fff; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 12px; }
.footer-grid li { padding: 4px 0; }
.footer-grid a { color: #a9b4c8; text-decoration: none; }
.footer-grid a:hover { color: #fff; }
.footer-grid .logo img { margin-bottom: 14px; }
.social { display: flex; gap: 10px; margin-top: 16px; }
.social a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .18); display: grid; place-items: center; color: #d6deeb; }
.social a:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.social svg { width: 16px; height: 16px; fill: currentColor; }
.copyright { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 36px; padding-top: 20px; font-size: 14px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 960px) {
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); padding: 8px 24px 20px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 14px; border-bottom: 0; }
  .menu-toggle { display: block; }
  .hero, .split, .about, .quote, .contact-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  h2 { font-size: 28px; }
  .stats, .steps, .tasks, .services, .platforms, .plans, .case .row, .footer-grid { grid-template-columns: 1fr 1fr; }
  .quote { padding: 32px 24px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .hero { padding-top: 40px; }
  .hero h1, .page-head h1 { font-size: 34px; }
  .proof .big { font-size: 60px; }
  .stats, .steps, .tasks, .services, .platforms, .plans, .case .row, .values, .fields, .footer-grid { grid-template-columns: 1fr; }
  .case { padding: 24px; }
  .case-head { flex-direction: column-reverse; align-items: flex-start; }
  .case-head img { width: 100%; }
  .shelf .prev { left: 0; }
  .shelf .next { right: 0; }
  .quote { padding: 24px 16px; }
  .quote h2 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tile img { transition: none; }
}

/* Starting prices */
.plan .price .from { color: var(--muted); font-size: 14px; }
.plan .price .from b { color: var(--text); font-size: 24px; font-weight: 800; margin-left: 4px; }

/* "What publishers ask us first" */
.qa-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.qa-cards .panel { padding: 24px; }
.qa-cards h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.qa-cards p { color: var(--soft); font-size: 15px; }
@media (max-width: 960px) { .qa-cards { grid-template-columns: 1fr; } }

/* Analytics consent: a small card in the corner, never blocks the page */
.consent {
  position: fixed; left: 16px; bottom: 16px; z-index: 60; max-width: 340px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(16, 27, 45, .16); padding: 16px 18px; font-size: 14px; color: var(--soft);
}
.consent p { margin-bottom: 12px; }
.consent-actions { display: flex; gap: 8px; }
.consent .btn.small { padding: 8px 14px; }
@media (max-width: 560px) { .consent { left: 12px; right: 12px; bottom: 12px; max-width: none; } }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: underline; }
.link-btn:hover { color: #fff; }

/* Case studies: three compact cards */
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.case-card { background: linear-gradient(150deg, var(--blue), var(--blue-deep)); color: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); display: flex; flex-direction: column; }
.case-card img { width: 100%; aspect-ratio: 460 / 215; object-fit: cover; }
.case-body { padding: 22px 24px 24px; }
.case-body .eyebrow { color: rgba(255, 255, 255, .8); }
.case-body h3 { font-size: 21px; font-weight: 800; margin: 4px 0 4px; }
.case-body > p { color: rgba(255, 255, 255, .85); font-size: 14px; margin-bottom: 16px; }
.case-body li { display: flex; align-items: baseline; gap: 10px; padding: 10px 14px; background: rgba(255, 255, 255, .12); border-radius: 10px; }
.case-body li + li { margin-top: 8px; }
.case-body li b { font-size: 24px; font-weight: 800; min-width: 92px; }
.case-body li span { color: rgba(255, 255, 255, .85); font-size: 14px; }
@media (max-width: 960px) { .cases { grid-template-columns: 1fr; max-width: 520px; } }

/* Guide article */
.crumbs { padding-top: 28px; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--blue); }
.guide { max-width: 780px; padding-bottom: 72px; }
.guide-head { padding-top: 28px; }
.guide h2 { font-size: 28px; margin: 48px 0 14px; scroll-margin-top: 90px; }
.guide p { color: var(--soft); font-size: 17px; line-height: 1.7; margin-bottom: 16px; }
.guide p b { color: var(--text); }
.guide ul, .guide ol.timeline { margin: 0 0 18px; }
.guide ul li, .guide ol.timeline li { position: relative; padding: 6px 0 6px 26px; color: var(--soft); font-size: 17px; line-height: 1.6; }
.guide ul li::before { content: ""; position: absolute; left: 6px; top: 17px; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.guide ul li b, .guide ol.timeline li b { color: var(--text); }
.guide ol.timeline { counter-reset: tl; }
.guide ol.timeline li { padding-left: 40px; }
.guide ol.timeline li::before { counter-increment: tl; content: counter(tl); position: absolute; left: 0; top: 7px; width: 26px; height: 26px; border-radius: 50%; background: var(--blue-tint); color: var(--blue); font-weight: 800; font-size: 14px; display: grid; place-items: center; }
.toc { padding: 20px 24px; margin: 8px 0 8px; }
.toc-title { font-weight: 700; color: var(--text) !important; font-size: 15px !important; margin-bottom: 8px !important; }
.toc ul { columns: 2; column-gap: 32px; }
.toc li { padding: 3px 0; break-inside: avoid; }
.toc a { text-decoration: none; font-size: 15px; }
.toc a:hover { text-decoration: underline; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; border: 1px solid var(--line); border-radius: var(--radius); }
.guide table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 560px; }
.guide th, .guide td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.guide th { background: var(--bg-soft); font-weight: 700; }
.guide tr:last-child td { border-bottom: 0; }
.guide td { color: var(--soft); }
.guide-cta { margin-top: 48px; padding: 32px; border-radius: var(--radius-lg); background: linear-gradient(150deg, var(--blue), var(--blue-deep)); color: #fff; }
.guide-cta h2 { margin: 0 0 10px; color: #fff; }
.guide-cta p { color: rgba(255, 255, 255, .88); }
.guide-cta .btn { background: #fff; color: var(--blue); margin: 4px 8px 0 0; }
.guide-cta .btn:hover { background: var(--blue-tint); color: var(--blue-hover); }
.guide-cta .btn.ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.guide-cta .btn.ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }
@media (max-width: 560px) { .toc ul { columns: 1; } .guide h2 { font-size: 24px; } .guide-cta { padding: 24px 18px; } }
@media (max-width: 1120px) and (min-width: 961px) { .nav { gap: 18px; } .nav a { font-size: 14px; } }