/* Shared shell for /guides/*. The landing page keeps its CSS inline for
   first-paint; these are secondary pages, so one cacheable stylesheet beats
   duplicating 100 lines into every article. */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --accent-from: #8b5cf6;
  --accent-to:   #d946ef;
  --ink-1: rgba(255,255,255,0.95);
  --ink-2: rgba(255,255,255,0.72);
  --ink-3: rgba(255,255,255,0.5);
  --ink-4: rgba(255,255,255,0.35);
  --edge:  rgba(255,255,255,0.08);
  --surface-2: rgba(255,255,255,0.04);
}
html, body {
  background: #08090d; color: var(--ink-1);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}
a { color: inherit; }
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 24px 96px; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 40px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
.mark { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
        background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
        box-shadow: 0 4px 14px rgba(139,92,246,0.35); }
.back { font-size: 14px; color: var(--ink-3); text-decoration: none; transition: color 200ms; }
.back:hover { color: var(--ink-1); }

.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--ink-4); margin-bottom: 12px; }
h1 { font-size: clamp(28px, 4.6vw, 40px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; }
h2 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; margin: 44px 0 12px; }
h3 { font-size: 16px; font-weight: 600; margin: 28px 0 8px; }
p  { color: var(--ink-2); margin-bottom: 16px; font-size: 16px; }
ul, ol { color: var(--ink-2); margin: 0 0 16px 22px; font-size: 16px; }
li { margin-bottom: 9px; }
strong { color: var(--ink-1); font-weight: 600; }
.lede { margin-top: 20px; font-size: 18px; color: var(--ink-2); }
.content a { color: #c4b5fd; text-decoration: underline; text-underline-offset: 3px; }
.content a:hover { color: #ddd6fe; }

table { width: 100%; border-collapse: collapse; margin: 8px 0 20px; font-size: 15px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--edge); color: var(--ink-2); }
th { color: var(--ink-1); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px;
       background: var(--surface-2); padding: 2px 6px; border-radius: 5px; color: var(--ink-1); }

.note { margin: 20px 0; padding: 16px 18px; border: 1px solid var(--edge);
        border-radius: 12px; background: var(--surface-2); }
.note p:last-child { margin-bottom: 0; }

.cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 30px;
       padding: 13px 24px; border-radius: 999px; font-weight: 600; text-decoration: none;
       color: #fff; background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
       box-shadow: 0 8px 28px rgba(139,92,246,0.35); }

.cards { display: grid; gap: 14px; margin-top: 28px; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card { display: block; padding: 20px; border: 1px solid var(--edge); border-radius: 14px;
        background: var(--surface-2); text-decoration: none; transition: border-color 200ms, transform 200ms; }
.card:hover { border-color: rgba(255,255,255,0.18); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; color: var(--ink-1); font-size: 16.5px; }
.card p { margin: 0; font-size: 14px; color: var(--ink-3); }

.more { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--edge); }
.more h2 { margin-top: 0; }

footer { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--edge);
         color: var(--ink-4); font-size: 13px; display: flex; flex-wrap: wrap; gap: 16px;
         align-items: center; justify-content: space-between; }
footer a { color: var(--ink-3); text-decoration: none; }
footer a:hover { color: var(--ink-1); }