/* Theme D — gradient hero (magenta to violet), big rounded blocks, two-column guide grid */
:root {
  --bg: #ffffff;
  --soft: #f8f3ff;
  --line: #ece4f6;
  --text: #261f33;
  --muted: #776d88;
  --pink: #e6007e;
  --pink-2: #8a3ffc;
  --pink-dark: #b8006a;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.75 "Trebuchet MS", "Segoe UI", Verdana, sans-serif; }
a { color: var(--pink-dark); }
a:hover { color: var(--pink-2); }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; color: #1c1528; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }
.container.narrow { max-width: 820px; }

.topbar { background: var(--soft); color: var(--muted); text-align: center; font-size: 14px; padding: 7px 16px; }
.site-header { background: #fff; border-bottom: 3px solid; border-image: linear-gradient(90deg, var(--pink), var(--pink-2)) 1; }
.nav { display: flex; align-items: center; gap: 22px; height: 66px; }
.logo { font-weight: 800; font-size: 23px; text-decoration: none; background: linear-gradient(90deg, var(--pink), var(--pink-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.logo small { font-size: 13px; }
.nav-links { display: flex; gap: 6px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { display: block; color: var(--text); text-decoration: none; font-size: 15px; padding: 7px 14px; border-radius: 999px; }
.nav-links a:hover { background: var(--soft); }
.nav-links a.active { background: linear-gradient(90deg, var(--pink), var(--pink-2)); color: #fff; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 26px; color: var(--pink); cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; background: #fff; color: var(--pink-dark); font-weight: 700; font-size: 16px; padding: 12px 26px; border-radius: 999px; text-decoration: none; border: 0; white-space: nowrap; box-shadow: 0 8px 22px rgba(38, 31, 51, .18); }
.btn:hover { color: var(--pink-2); transform: translateY(-1px); }
.btn-lg { font-size: 17px; padding: 15px 32px; }
.btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); box-shadow: none; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.prose .btn, .cta-box .btn { background: linear-gradient(90deg, var(--pink), var(--pink-2)); color: #fff; }

.hero { background: linear-gradient(125deg, var(--pink), var(--pink-2)); color: #fff; padding: 70px 0 60px; border-radius: 0 0 40px 40px; }
.hero h1, .hero .lead { color: #fff; }
.hero h1 { font-size: 48px; letter-spacing: -1px; }
.hero h1 span { text-decoration: underline; text-decoration-thickness: 5px; text-underline-offset: 8px; text-decoration-color: rgba(255,255,255,.5); }
.hero-inner { max-width: 760px; }
.kicker { display: inline-block; background: rgba(255,255,255,.18); color: #fff; font-size: 13px; padding: 5px 14px; border-radius: 999px; margin-bottom: 16px; }
.lead { font-size: 19px; color: #4b4260; }
.hero .lead { opacity: .95; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.points { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; padding: 0; margin: 0; font-size: 15px; }
.points li::before { content: "✓ "; font-weight: 700; }
.hero-split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.quick { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35); border-radius: 24px; padding: 24px 26px; backdrop-filter: blur(4px); }
.quick h2 { color: #fff; font-size: 19px; }
.quick ul { margin: 0; padding-left: 1.1em; font-size: 15px; }
.quick li { margin-bottom: 7px; }

.section-title { font-size: 30px; text-align: center; margin-bottom: 28px; }
.guides { padding: 56px 0 20px; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card { display: block; background: var(--soft); border-radius: 24px; padding: 24px 26px; text-decoration: none; color: var(--text); transition: transform .15s; }
.card:hover { transform: translateY(-3px); color: var(--text); }
.card .tag { display: inline-block; background: #fff; color: var(--pink-dark); font-size: 12px; font-weight: 700; padding: 3px 12px; border-radius: 999px; }
.card h3 { font-size: 20px; margin: 10px 0 6px; }
.card p { font-size: 15px; color: var(--muted); margin: 0 0 10px; line-height: 1.6; }
.card .more { font-weight: 700; color: var(--pink-dark); font-size: 14px; }
.glist { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.glist a { display: flex; flex-direction: column; height: 100%; background: var(--soft); border-radius: 20px; padding: 18px 22px; text-decoration: none; color: var(--text); }
.glist .tag { font-size: 12px; color: var(--pink-dark); font-weight: 700; }
.glist strong { font-size: 18px; margin: 4px 0; }
.glist em { font-style: normal; color: var(--muted); font-size: 14px; }

.page-head { background: linear-gradient(125deg, var(--pink), var(--pink-2)); color: #fff; padding: 46px 0 38px; border-radius: 0 0 32px 32px; }
.page-head h1, .page-head .lead { color: #fff; }
.page-head h1 { font-size: 38px; }
.page-head .lead { opacity: .95; }
.page-head .lead a { color: #fff; }
.crumbs { font-size: 13px; margin-bottom: 10px; opacity: .85; }
.crumbs a { color: #fff; }
.meta { font-size: 14px; opacity: .85; }

.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 46px; padding-top: 44px; padding-bottom: 56px; }
.article-wrap.single { grid-template-columns: minmax(0, 780px); justify-content: center; }
.prose { min-width: 0; }
.prose h2 { font-size: 28px; margin-top: 1.7em; scroll-margin-top: 20px; }
.prose h2::before { content: ""; display: block; width: 42px; height: 5px; border-radius: 3px; background: linear-gradient(90deg, var(--pink), var(--pink-2)); margin-bottom: 12px; }
.prose h3 { font-size: 20px; margin-top: 1.4em; color: var(--pink-dark); }
.prose p, .prose li { color: #3a3248; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .45em; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.3em 0; font-size: 15px; display: block; overflow-x: auto; border-radius: 16px; }
.prose th, .prose td { padding: 11px 14px; text-align: left; vertical-align: top; }
.prose th { background: linear-gradient(90deg, var(--pink), var(--pink-2)); color: #fff; }
.prose tr:nth-child(even) td { background: var(--soft); }
.prose blockquote { margin: 1.4em 0; padding: 18px 22px; background: var(--soft); border-radius: 18px; color: #4b4260; }
.note { background: var(--soft); border-radius: 16px; padding: 14px 18px; font-size: 15px; }

.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 2.2em 0; padding: 24px 28px; border-radius: 24px; background: var(--soft); border: 2px dashed #d9c6f2; }
.cta-box strong { font-size: 19px; color: #1c1528; }
.cta-box p { margin: 4px 0 0; font-size: 15px; color: var(--muted); }

.toc { background: var(--soft); border-radius: 20px; padding: 18px 22px; font-size: 14px; margin-bottom: 26px; }
.sidebar .toc { position: sticky; top: 20px; }
.toc h4 { font-size: 13px; color: var(--pink-dark); text-transform: uppercase; letter-spacing: .6px; }
.toc ol { margin: 0; padding-left: 1.2em; }
.toc li { margin-bottom: 6px; }
.toc a { color: #4b4260; text-decoration: none; }

.faq details { background: var(--soft); border-radius: 16px; margin-bottom: 10px; }
.faq summary { cursor: pointer; list-style: none; padding: 15px 20px; font-weight: 700; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "⌄"; float: right; color: var(--pink-dark); }
.faq details > div { padding: 0 20px 16px; color: #4b4260; }

.related { background: var(--soft); padding: 48px 0; border-radius: 40px 40px 0 0; }
.related h2 { font-size: 26px; text-align: center; margin-bottom: 22px; }
.related .card { background: #fff; }

.site-footer { background: #1c1528; color: #b8adc8; padding: 48px 0 22px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; }
.site-footer h4 { color: #fff; font-size: 15px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b8adc8; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.disclaimer-mini { font-size: 12px; border-top: 1px solid #352a45; margin-top: 28px; padding-top: 16px; }
.copyright { font-size: 12px; text-align: center; margin-top: 10px; }

@media (max-width: 920px) {
  .article-wrap { grid-template-columns: 1fr; }
  .sidebar .toc { position: static; }
  .hero-split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 10px 16px 16px; box-shadow: 0 12px 20px rgba(0,0,0,.08); }
  .nav-links.open { display: flex; }
  .hero { padding: 42px 0 38px; border-radius: 0 0 24px 24px; }
  .hero h1 { font-size: 32px; }
  .page-head h1 { font-size: 28px; }
  .cards, .glist { grid-template-columns: 1fr; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-lg { width: 100%; }
}