/* Shared styles for /guides/ pages. Same palette as the homepage. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #fbfbfa; --surface: #ffffff; --surface-2: #f4f5f7; --tint: #eef2f8;
  --border: #e7e9ee; --border-strong: #d6dae2;
  --ink: #0b1b33; --navy: #13294b; --navy-2: #1d3b6e; --steel: #6b8fd1;
  --text: #1d2939; --dim: #556070; --muted: #8a94a3;
  --shadow-sm: 0 1px 2px rgba(15, 30, 60, 0.05);
  --shadow: 0 1px 2px rgba(15, 30, 60, 0.04), 0 8px 24px rgba(15, 30, 60, 0.06);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
}
html { -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 17px; line-height: 1.75; font-feature-settings: 'cv11' 1; }
a { color: var(--navy-2); text-decoration: underline; text-decoration-color: rgba(29, 59, 110, 0.3); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--navy-2); }
::selection { background: rgba(29, 59, 110, 0.15); }

.g-nav { position: sticky; top: 0; z-index: 10; background: rgba(251, 251, 250, 0.8); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px); border-bottom: 1px solid rgba(15, 30, 60, 0.06); }
.g-nav a { text-decoration: none; }
.g-nav-in { max-width: 1120px; margin: 0 auto; padding: 0 24px; height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.g-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; color: var(--ink); letter-spacing: -0.01em; font-size: 16px; }
.g-nav-links { display: flex; gap: 28px; font-size: 14px; align-items: center; }
.g-nav-links a { color: var(--dim); }
.g-nav-links a:hover { color: var(--ink); }
.g-nav-links a.g-cta { color: #fff; background: var(--navy); padding: 8px 16px; border-radius: 999px; font-weight: 550; }
.g-nav-links a.g-cta:hover { background: var(--navy-2); }
@media (max-width: 640px) { .g-nav-links a:not(.g-cta) { display: none; } }

.g-wrap { max-width: 720px; margin: 0 auto; padding: 64px 24px 96px; }
.g-crumb { font-size: 13px; font-weight: 600; color: var(--steel); margin-bottom: 18px; }
.g-crumb a { color: var(--steel); text-decoration: none; }
h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.1; letter-spacing: -0.035em; font-weight: 700; color: var(--ink); margin-bottom: 20px; }
.g-lede { font-size: 20px; line-height: 1.55; color: var(--dim); margin-bottom: 24px; }
.g-meta { font-size: 13px; color: var(--muted); margin-bottom: 40px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }

.g-answer { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px 26px; margin: 0 0 48px; box-shadow: var(--shadow-sm); position: relative; }
.g-answer::before { content: ''; position: absolute; left: 0; top: 24px; bottom: 24px; width: 3px; border-radius: 0 3px 3px 0; background: var(--navy-2); }
.g-answer strong.lbl { display: block; font-size: 13px; font-weight: 600; color: var(--steel); margin-bottom: 8px; }

h2 { font-size: 28px; line-height: 1.25; letter-spacing: -0.025em; font-weight: 650; color: var(--ink); margin: 56px 0 16px; }
h3 { font-size: 19px; font-weight: 650; color: var(--ink); letter-spacing: -0.01em; margin: 32px 0 8px; }
p { margin-bottom: 18px; }
ul, ol { margin: 0 0 20px 22px; }
li { margin-bottom: 8px; padding-left: 4px; }
li::marker { color: var(--muted); }
strong { color: var(--ink); font-weight: 600; }
code { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 0.86em; background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; }

.g-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; margin: 8px 0 28px; box-shadow: var(--shadow-sm); }
.g-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.g-table th, .g-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.g-table tr:last-child td { border-bottom: none; }
.g-table th { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); background: #fcfcfd; }

.g-callout { background: var(--tint); border-radius: 14px; padding: 20px 22px; margin: 32px 0; }
.g-callout p:last-child { margin-bottom: 0; }

.g-demo { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; margin: 40px 0; color: var(--text); text-decoration: none; box-shadow: var(--shadow-sm); transition: box-shadow .2s, transform .2s; }
.g-demo:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.g-demo .k { font-size: 13px; font-weight: 600; color: var(--steel); }
.g-demo .t { font-size: 20px; font-weight: 650; color: var(--ink); letter-spacing: -0.01em; margin: 4px 0 4px; }
.g-demo .d { color: var(--dim); font-size: 15px; line-height: 1.55; }

.g-faq { margin-top: 12px; }
.g-faq details { border-bottom: 1px solid var(--border); padding: 18px 0; }
.g-faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.g-faq summary::-webkit-details-marker { display: none; }
.g-faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 22px; line-height: 1; }
.g-faq details[open] summary::after { content: '−'; }
.g-faq details p { margin: 10px 0 0; color: var(--dim); }

.g-kit { margin: 64px 0 0; background: linear-gradient(160deg, #13294b 0%, #1d3b6e 100%); color: #dbe4f3; border-radius: 20px; padding: 36px; }
.g-kit h2 { margin-top: 0; color: #fff; }
.g-kit p { color: #c3cfe4; }
.g-btn { display: inline-block; background: #fff; color: var(--navy); font-weight: 600; padding: 12px 22px; border-radius: 999px; margin-top: 8px; text-decoration: none; }
.g-btn:hover { background: #eef2f8; }

.g-related { margin-top: 56px; }
.g-related ul { list-style: none; margin: 0; }
.g-related li { border-bottom: 1px solid var(--border); padding: 14px 0; margin: 0; }
.g-related a { text-decoration: none; font-weight: 550; }

.g-foot { border-top: 1px solid var(--border); background: var(--surface); padding: 32px 24px; text-align: center; font-size: 14px; color: var(--muted); }
.g-foot a { color: var(--dim); margin: 0 10px; text-decoration: none; }

/* Guide index */
.g-list { list-style: none; margin: 40px 0 0; display: grid; gap: 12px; }
.g-list li { margin: 0; padding: 0; }
.g-list a { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 22px 24px; color: var(--text); text-decoration: none; box-shadow: var(--shadow-sm); transition: box-shadow .2s, transform .2s; }
.g-list a:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.g-list .t { font-weight: 650; font-size: 18px; color: var(--ink); letter-spacing: -0.01em; }
.g-list .d { color: var(--dim); font-size: 15px; line-height: 1.55; margin-top: 4px; }