/* Shared styles for /guides/ — same design language as the homepage and support page. */

:root {
  --bg: #0A1628;
  --surface: #132038;
  --surface-2: #182742;
  --cyan: #00B4D8;
  --teal: #00E5C7;
  --amber: #F4A940;
  --purple: #8B5CF6;
  --text: #FFFFFF;
  --text-soft: rgba(255,255,255,.74);
  --text-faint: rgba(255,255,255,.48);
  --rule: rgba(255,255,255,.10);
  --radius: 16px;
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Figtree', sans-serif;
  --max-w: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 740px; margin: 0 auto; padding: 0 24px; }

/* ---- Header ---- */
header.site { border-bottom: 1px solid var(--rule); padding: 20px 0; position: sticky; top: 0; background: rgba(10,22,40,.86); backdrop-filter: blur(12px); z-index: 20; }
header.site .wrap { max-width: var(--max-w); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; color: var(--text); text-decoration: none; border-bottom: none; }
.brand span { color: var(--cyan); }
.head-links { display: flex; gap: 22px; align-items: center; }
.head-links a { font-size: .92rem; color: var(--text-soft); text-decoration: none; border-bottom: none; transition: color .2s; }
.head-links a:hover { color: var(--teal); }
.head-cta { font-family: var(--font-display); font-weight: 700; color: #04121F !important; background: linear-gradient(135deg, var(--cyan), var(--teal)); padding: 9px 18px; border-radius: 999px; }
@media (max-width: 640px) { .head-links a.hide-sm { display: none; } }

/* ---- Breadcrumb ---- */
.crumb { font-size: .86rem; color: var(--text-faint); padding: 26px 0 0; }
.crumb a { color: var(--text-faint); text-decoration: none; border-bottom: none; }
.crumb a:hover { color: var(--teal); }

/* ---- Article ---- */
main { padding: 8px 0 96px; }
h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -.03em;
  margin: 18px 0 16px; text-wrap: balance;
}
.lede { color: var(--text-soft); font-size: 1.15rem; margin-bottom: 14px; text-wrap: pretty; }
.meta { color: var(--text-faint); font-size: .88rem; border-bottom: 1px solid var(--rule); padding-bottom: 26px; margin-bottom: 38px; }

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.6vw, 1.85rem); font-weight: 700; letter-spacing: -.025em;
  margin: 52px 0 14px; text-wrap: balance; scroll-margin-top: 90px;
}
h3 {
  font-family: var(--font-display);
  font-size: 1.16rem; font-weight: 700; letter-spacing: -.015em;
  margin: 32px 0 8px; text-wrap: balance;
}
p { color: var(--text-soft); margin-bottom: 18px; text-wrap: pretty; }
ul, ol { margin: 0 0 20px 0; padding-left: 22px; }
li { color: var(--text-soft); margin-bottom: 9px; }
li::marker { color: var(--cyan); }
a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0,180,216,.35); transition: color .2s, border-color .2s; }
a:hover { color: var(--teal); border-color: var(--teal); }
strong { color: var(--text); font-weight: 600; }

/* First paragraph after an h2 carries the direct answer — give it weight. */
.answer { color: var(--text); font-size: 1.06rem; }

/* ---- Table of contents ---- */
.toc { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 44px; }
.toc .label { font-family: var(--font-display); font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin-bottom: 6px; font-size: .96rem; }
.toc a { border-bottom: none; color: var(--text-soft); }
.toc a:hover { color: var(--teal); }

/* ---- Callouts ---- */
.note, .keypoint {
  border-left: 3px solid var(--amber);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 22px;
  margin: 26px 0;
}
.keypoint { border-left-color: var(--teal); }
.note p:last-child, .keypoint p:last-child { margin-bottom: 0; }
.note .label, .keypoint .label {
  font-family: var(--font-display); font-size: .72rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--amber);
  margin-bottom: 6px; display: block;
}
.keypoint .label { color: var(--teal); }

/* ---- Tables ---- */
.table-scroll { overflow-x: auto; margin: 26px 0; border: 1px solid var(--rule); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .94rem; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-family: var(--font-display); font-weight: 700; font-size: .82rem; letter-spacing: .04em; text-transform: uppercase; color: var(--teal); background: var(--surface); }
td { color: var(--text-soft); }
tr:last-child td { border-bottom: none; }
td strong { color: var(--text); }

/* ---- Workout / set blocks ---- */
.workout { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 22px 26px; margin: 24px 0; }
.workout h3 { margin-top: 0; }
.workout ul { list-style: none; padding-left: 0; margin-bottom: 0; }
.workout li { padding: 8px 0; border-bottom: 1px solid var(--rule); font-variant-numeric: tabular-nums; margin-bottom: 0; }
.workout li:last-child { border-bottom: none; }
.workout li span.part { color: var(--text-faint); font-size: .84rem; text-transform: uppercase; letter-spacing: .06em; font-family: var(--font-display); display: block; }

/* ---- FAQ ---- */
.faq details { border-top: 1px solid var(--rule); padding: 16px 0; }
.faq details summary {
  font-family: var(--font-display); font-size: 1.02rem; font-weight: 600; color: var(--text);
  cursor: pointer; list-style: none; display: flex; align-items: flex-start; gap: 12px; text-wrap: balance;
}
.faq details summary::-webkit-details-marker { display: none; }
.faq details summary::before { content: "+"; color: var(--cyan); font-weight: 700; font-size: 1.2rem; line-height: 1.35; flex-shrink: 0; }
.faq details[open] summary::before { content: "\2212"; }
.faq details .answer-body { padding: 10px 0 2px 26px; }
.faq details p { margin-bottom: 12px; }
.faq details p:last-child { margin-bottom: 0; }

/* ---- CTA ---- */
.cta {
  background: linear-gradient(135deg, rgba(0,180,216,.14), rgba(0,229,199,.08));
  border: 1px solid rgba(0,229,199,.22);
  border-radius: var(--radius);
  padding: 30px 32px; margin: 56px 0 8px; text-align: center;
}
.cta h2 { margin: 0 0 10px; font-size: 1.4rem; }
.cta p { margin-bottom: 20px; }
.btn {
  display: inline-block; font-family: var(--font-display); font-weight: 700; font-size: .96rem;
  padding: 13px 28px; border-radius: 999px; text-decoration: none; border: none;
  background: linear-gradient(135deg, var(--cyan), var(--teal)); color: #04121F;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,180,216,.28); color: #04121F; }

/* ---- Related guides ---- */
.related { margin-top: 56px; border-top: 1px solid var(--rule); padding-top: 34px; }
.related h2 { margin-top: 0; font-size: 1.25rem; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.related-card {
  display: block; background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 18px 20px; text-decoration: none; border-bottom: 1px solid var(--rule);
  transition: border-color .2s, transform .2s;
}
.related-card:hover { border-color: rgba(0,229,199,.4); transform: translateY(-2px); }
.related-card .t { font-family: var(--font-display); font-weight: 700; color: var(--text); font-size: 1rem; margin-bottom: 4px; display: block; }
.related-card .d { color: var(--text-faint); font-size: .88rem; line-height: 1.55; }
@media (max-width: 620px) { .related-grid { grid-template-columns: 1fr; } }

/* ---- Guides index ---- */
.guide-list { display: grid; gap: 16px; margin-top: 36px; }
.guide-item {
  display: block; background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 24px 26px; text-decoration: none;
  transition: border-color .2s, transform .2s;
}
.guide-item:hover { border-color: rgba(0,229,199,.4); transform: translateY(-2px); }
.guide-item .t { font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; color: var(--text); letter-spacing: -.015em; margin-bottom: 6px; display: block; }
.guide-item .d { color: var(--text-soft); font-size: .96rem; line-height: 1.6; }
.guide-group { font-family: var(--font-display); font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin: 40px 0 -4px; }

/* ---- Footer ---- */
footer.site { border-top: 1px solid var(--rule); padding: 34px 0 52px; color: var(--text-faint); font-size: .9rem; text-align: center; }
footer.site a { color: var(--text-faint); border-bottom: none; }
footer.site a:hover { color: var(--teal); }
footer.site .foot-nav { margin-bottom: 12px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  main { padding-bottom: 72px; }
  .toc, .workout, .cta { padding: 20px; }
}