/* Styles for /guides/ pages and the 404 page. The landing page keeps its own inline styles. */
:root {
  --blue: #1565FF; --blue-hi: #3B7DFF; --night: #0B1D3A; --deep: #071328; --spark: #4FD8FF;
  --cloud: #F3F6FB; --line: #DCE3EE; --ink: #0B1D3A; --muted: #5B6B86; --soft: #A9BCDB; --white: #FFFFFF;
  --head: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --body: "Source Sans 3", "Source Sans Pro", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--white); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--head); line-height: 1.05; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--spark); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.kicker { font-family: var(--mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); display: flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 22px; height: 2px; background: currentColor; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: 12px; font-family: var(--head); font-weight: 600; font-size: 19px; text-decoration: none; border: 1.5px solid transparent; transition: background .2s, border-color .2s, transform .2s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 10px 30px -12px rgba(21,101,255,.8); }
.btn-primary:hover { background: var(--blue-hi); }
.btn-quiet { color: var(--ink); border-color: var(--line); background: var(--white); }

/* Header */
.top { position: sticky; top: 0; z-index: 50; background: rgba(7,19,40,.94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.08); }
.top .wrap { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.top .logo img { height: 46px; margin-left: -7px; }
.top nav { display: flex; align-items: center; gap: 22px; }
.top nav a.nl { color: var(--soft); text-decoration: none; font-weight: 600; font-size: 15px; }
.top nav a.nl:hover, .top nav a.nl[aria-current] { color: var(--white); }
.top .btn { min-height: 42px; padding: 0 18px; font-size: 17px; }

/* Page hero */
.ghero { position: relative; background: var(--deep); color: var(--white); padding: 56px 0 64px; overflow: hidden; isolation: isolate; }
.ghero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(800px 420px at 85% 0%, rgba(21,101,255,.45), transparent 70%); }
.ghero::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(180deg, #000, transparent); }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--soft); margin-bottom: 28px; }
.crumbs a { color: var(--soft); text-decoration: none; }
.crumbs a:hover { color: var(--white); }
.crumbs span[aria-hidden] { opacity: .5; }
.ghero .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--spark); }
.ghero .meta span + span { color: var(--soft); }
.ghero h1 { font-size: clamp(40px, 5.4vw, 66px); font-weight: 700; letter-spacing: -.8px; margin: 18px 0 18px; max-width: 900px; }
.ghero .lede { font-size: 20px; color: #C9D6EE; max-width: 720px; }

/* Article */
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 72px; padding-top: 56px; padding-bottom: 88px; align-items: start; }
.prose { max-width: 720px; font-size: 18.5px; line-height: 1.72; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 34px; font-weight: 700; margin-top: 1.9em; scroll-margin-top: 90px; letter-spacing: -.3px; }
.prose h3 { font-size: 24px; font-weight: 600; margin-top: 1.5em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose li + li { margin-top: .45em; }
.prose li::marker { color: var(--blue); }
.prose strong { color: var(--ink); }
.prose blockquote { margin: 0 0 1.6em; padding: 22px 24px; border-radius: 16px; background: var(--cloud); border: 1px solid var(--line); border-left: 4px solid var(--blue); font-size: 18px; }
.prose blockquote p { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 16px; margin-top: 1.4em; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.prose thead { background: var(--night); color: var(--white); }
.prose th { font-family: var(--head); font-weight: 600; font-size: 17px; text-align: left; padding: 12px 16px; white-space: nowrap; }
.prose td { padding: 11px 16px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 14.5px; white-space: nowrap; }
.prose tbody tr:nth-child(even) { background: var(--cloud); }

.side { position: sticky; top: 96px; display: grid; gap: 18px; }
.toc { border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.toc .mono { color: var(--muted); }
.toc ol { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.toc a { color: var(--ink); text-decoration: none; font-size: 15.5px; line-height: 1.35; display: block; }
.toc a:hover { color: var(--blue); }
.cta-card { position: relative; border-radius: 20px; background: var(--deep); color: var(--white); padding: 26px; overflow: hidden; isolation: isolate; display: grid; gap: 12px; }
.cta-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(360px 240px at 100% 0%, rgba(21,101,255,.6), transparent 70%); }
.cta-card .mono { color: var(--spark); }
.cta-card h2 { font-size: 28px; font-weight: 700; }
.cta-card p { color: #C9D6EE; font-size: 15.5px; }
.cta-card .price { font-family: var(--head); font-weight: 700; font-size: 44px; line-height: 1; }
.cta-card .price small { font-size: 16px; color: var(--soft); font-weight: 600; margin-left: 6px; }

/* Cards (guide list and related) */
.gcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gcard { display: grid; gap: 12px; align-content: start; padding: 28px; border: 1px solid var(--line); border-radius: 20px; text-decoration: none; color: var(--ink); background: var(--white); transition: border-color .2s, transform .2s, box-shadow .2s; }
.gcard:hover { border-color: var(--blue); transform: translateY(-3px); box-shadow: 0 20px 50px -30px rgba(21,101,255,.6); }
.gcard .mono { color: var(--blue); font-size: 11.5px; }
.gcard h3 { font-size: 26px; font-weight: 600; line-height: 1.1; }
.gcard p { color: var(--muted); font-size: 16px; }
.gcard .more { font-family: var(--head); font-weight: 600; font-size: 17px; color: var(--blue); margin-top: 4px; }
.list { padding: 64px 0 96px; }
.related { background: var(--cloud); padding: 80px 0 96px; }
.related h2 { font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; margin: 14px 0 32px; }

/* Bottom booking band */
.band { background: var(--deep); color: var(--white); padding: 72px 0; position: relative; overflow: hidden; isolation: isolate; }
.band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(700px 360px at 80% 50%, rgba(21,101,255,.45), transparent 70%); }
.band .wrap { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: space-between; }
.band h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 700; max-width: 640px; }
.band p { color: #C9D6EE; margin-top: 10px; }

.foot { background: var(--deep); color: var(--soft); padding: 44px 0; font-size: 15px; border-top: 1px solid rgba(255,255,255,.08); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.foot img { height: 44px; margin-left: -6px; }
.foot a { color: var(--white); }

@media (max-width: 1020px) {
  .article-grid { grid-template-columns: 1fr; gap: 40px; }
  .side { position: static; }
  .toc { display: none; }
  .gcards { grid-template-columns: 1fr; }
  .top nav a.nl { display: none; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .top .wrap { height: 60px; }
  .top .logo img { height: 38px; }
  .top .btn { min-height: 40px; padding: 0 14px; font-size: 16px; }
  .ghero { padding: 36px 0 44px; }
  .prose { font-size: 17.5px; }
  .prose table { display: block; overflow-x: auto; }
  .prose h2 { font-size: 29px; }
  .article-grid { padding-top: 36px; padding-bottom: 64px; }
}