/* Keyword guide library: long-form SEO/AEO pages and discovery hub. */
.keyword-hero {
  background: linear-gradient(125deg, #eef0ff 0%, #f8f4ff 55%, #fff 100%);
  padding: 64px 0 54px;
}
.keyword-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  align-items: center;
  gap: 48px;
}
.keyword-hero h1 {
  max-width: 820px;
  font-size: clamp(38px, 5vw, 62px);
  overflow-wrap: anywhere;
}
.keyword-hero .lead { max-width: 760px; }
.keyword-hero-visual {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
}
.keyword-hero-visual::before {
  content: "";
  position: absolute;
  width: min(350px, 85%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(145deg, #cbd3ff, #eadffc);
}
.keyword-hero-visual > img {
  position: relative;
  z-index: 1;
  width: min(390px, 100%);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(45, 56, 115, .18));
}
.keyword-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  gap: 46px;
  padding: 58px 0 82px;
}
.keyword-article { min-width: 0; }
.keyword-article > :first-child { margin-top: 0; }
.keyword-article h2 {
  margin-top: 50px;
  font-size: clamp(28px, 3.4vw, 40px);
}
.keyword-article h3 { margin-top: 30px; }
.keyword-article p,
.keyword-article li { color: #20243b; line-height: 1.82; }
.keyword-article a:not(.btn) {
  color: #3448c5;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.quick-answer,
.keyword-note,
.keyword-official,
.keyword-cta {
  border: 1px solid #daddf2;
  border-radius: 14px;
  padding: 24px;
  background: linear-gradient(125deg, #f6f7ff, #fbf8ff);
}
.quick-answer { border-left: 5px solid #5265ed; }
.quick-answer h2,
.keyword-note h2,
.keyword-official h2,
.keyword-cta h2 { margin-top: 0; }
.keyword-steps {
  padding: 0;
  list-style: none;
  counter-reset: guide-step;
  display: grid;
  gap: 13px;
}
.keyword-steps li {
  counter-increment: guide-step;
  position: relative;
  padding: 18px 18px 18px 64px;
  border: 1px solid #e1e3f0;
  border-radius: 12px;
  background: #fff;
}
.keyword-steps li::before {
  content: counter(guide-step);
  position: absolute;
  left: 18px;
  top: 17px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: #e9edff;
  color: #2538ac;
  font-weight: 800;
}
.keyword-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}
.keyword-checks li {
  padding: 15px 16px 15px 44px;
  border: 1px solid #e1e3f0;
  border-radius: 10px;
  background: #fff;
  position: relative;
}
.keyword-checks li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  color: #286e58;
  font-weight: 800;
}
.keyword-figure {
  margin: 42px 0;
  padding: 22px;
  border: 1px solid #dfe2f0;
  border-radius: 18px;
  background: #f8f8fd;
}
.keyword-figure img {
  display: block;
  width: min(660px, 100%);
  height: auto;
  margin: auto;
  object-fit: contain;
}
.keyword-figure figcaption {
  margin-top: 14px;
  color: #5d6378;
  text-align: center;
  font-size: 13px;
}
.keyword-faq details { background: #fff; }
.keyword-faq summary { font-size: 17px; }
.keyword-faq details p { padding-right: 24px; }
.keyword-aside {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 18px;
}
.keyword-aside .sidebox { margin: 0; }
.keyword-aside .brand-stamp {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.keyword-aside .brand-stamp img {
  width: 44px;
  height: 55px;
  object-fit: contain;
}
.keyword-aside .brand-stamp strong { font-size: 18px; }
.keyword-related a,
.official-links a { display: block; margin: 10px 0; }
.keyword-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}
.keyword-chips li {
  padding: 7px 11px;
  border: 1px solid #dcdff2;
  border-radius: 999px;
  font-size: 12px;
  background: #fff;
}
.keyword-guide-footer { background: #11172c; color: #fff; padding: 50px 0 24px; }
.keyword-guide-footer * { color: #fff; }
.keyword-footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 44px;
}
.keyword-guide-footer h2 { font-size: 24px; }
.keyword-guide-footer h3 { font-size: 15px; }
.keyword-guide-footer a { display: block; margin: 9px 0; font-size: 13px; }
.keyword-footer-note { border-top: 1px solid #ffffff22; padding-top: 20px; margin-top: 30px; font-size: 12px; }

.keyword-hub { padding: 70px 0 90px; }
.keyword-hub-intro { max-width: 820px; }
.keyword-searchbar {
  margin: 30px 0 42px;
  padding: 20px;
  border: 1px solid #dfe2f0;
  border-radius: 14px;
  background: #f7f8ff;
}
.keyword-searchbar input {
  width: 100%;
  min-height: 50px;
  padding: 12px 16px;
  border: 1px solid #cdd1e8;
  border-radius: 9px;
  font: inherit;
}
.keyword-group { margin-top: 52px; }
.keyword-group h2 { margin-bottom: 22px; }
.keyword-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}
.keyword-card {
  display: block;
  padding: 20px;
  border: 1px solid #dfe2ef;
  border-radius: 12px;
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
}
.keyword-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(42, 52, 110, .1); }
.keyword-card small { color: #626a82; }
.keyword-card strong { display: block; margin-top: 7px; line-height: 1.45; }
.keyword-hub-feature {
  margin: 0 0 32px;
  padding: 22px;
  border: 1px solid #d7daf0;
  border-radius: 14px;
  background: linear-gradient(125deg, #f0f3ff, #f8efff);
}

html[data-theme="dark"] .keyword-hero { background: linear-gradient(125deg, #13182e, #241d36); }
html[data-theme="dark"] .keyword-hero-visual::before { background: linear-gradient(145deg, #26356b, #493559); }
html[data-theme="dark"] :is(.quick-answer,.keyword-note,.keyword-official,.keyword-cta,.keyword-figure,.keyword-searchbar,.keyword-hub-feature) { background: #171b2e; border-color: #343a57; }
html[data-theme="dark"] :is(.keyword-steps li,.keyword-checks li,.keyword-faq details,.keyword-chips li,.keyword-card) { background: #151a2c; border-color: #343a57; }
html[data-theme="dark"] :is(.keyword-article p,.keyword-article li,.keyword-figure figcaption,.keyword-card small) { color: #c1c6d9; }
html[data-theme="dark"] .keyword-article a:not(.btn) { color: #c5ceff; }
html[data-theme="dark"] .keyword-searchbar input { background: #101427; color: #f5f3ff; border-color: #3b4261; }

@media (max-width: 940px) {
  .keyword-hero-grid { grid-template-columns: 1fr minmax(240px, 320px); gap: 24px; }
  .keyword-content { grid-template-columns: minmax(0, 1fr); }
  .keyword-aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .keyword-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .keyword-hero { padding: 40px 0; }
  .keyword-hero-grid { grid-template-columns: 1fr; }
  .keyword-hero-visual { min-height: 260px; }
  .keyword-content { padding-top: 38px; }
  .keyword-aside,
  .keyword-footer-grid,
  .keyword-grid,
  .keyword-checks { grid-template-columns: minmax(0, 1fr); }
}