/* Static guide + tool pages (/guides, /tools). Plain HTML on purpose: search
   engines read it instantly, no app needed. Colors mirror src/styles.css. */
:root {
  --bg: #070b12;
  --panel: #111a2b;
  --panel-2: #162034;
  --border: #223049;
  --text: #eaf0fa;
  --dim: #c2cde0;
  --muted: #8c9bb5;
  --faint: #64748b;
  --accent: #3b82f6;
  --accent-bright: #60a5fa;
  --up: #22c55e;
  --down: #ef4444;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--dim);
  font: 400 17px/1.7 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent-bright); }
.g-wrap { max-width: 760px; margin: 0 auto; padding: 0 18px; }
.g-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 1080px; margin: 0 auto; padding: 16px 18px;
}
.g-head img { height: 30px; display: block; }
.g-head nav a {
  margin-left: 14px; color: var(--muted); text-decoration: none; font-size: 14.5px; font-weight: 600;
}
.g-head nav a:hover { color: #fff; }
.g-crumb { margin: 18px 0 6px; font-size: 13.5px; color: var(--faint); }
.g-crumb a { color: var(--faint); }
h1, h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; color: #fff; line-height: 1.2; }
h1 { font-size: clamp(30px, 6vw, 44px); margin: 6px 0 14px; text-wrap: balance; }
h2 { font-size: 24px; margin: 38px 0 10px; }
h3 { font-size: 19px; margin: 26px 0 6px; }
.g-lead { font-size: 19px; color: var(--text); }
.g-meta { color: var(--faint); font-size: 14px; margin-bottom: 26px; }
strong { color: var(--text); }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
figure { margin: 26px 0; }
figure img { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--border); display: block; }
figcaption { margin-top: 8px; font-size: 14px; color: var(--muted); }
.g-box {
  margin: 26px 0; padding: 18px 20px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--border);
}
.g-box p:first-child { margin-top: 0; }
.g-box p:last-child { margin-bottom: 0; }
.g-tip { border-left: 4px solid var(--accent); }
.g-cta {
  margin: 44px 0 30px; padding: 26px 22px; border-radius: 18px; text-align: center;
  background: linear-gradient(168deg, rgba(59, 130, 246, 0.16), var(--panel));
  border: 1px solid rgba(59, 130, 246, 0.45);
}
.g-cta h2 { margin-top: 0; }
.g-btn {
  display: inline-block; margin: 8px 6px 0; padding: 13px 22px; border-radius: 12px;
  font-weight: 700; text-decoration: none; font-size: 16px;
}
.g-btn-primary { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; }
.g-btn-ghost { border: 1px solid var(--border); color: var(--text); }
.g-cta small { display: block; margin-top: 12px; color: var(--muted); font-size: 13.5px; }
.g-related { margin: 30px 0; }
.g-related a { display: block; padding: 12px 0; border-top: 1px solid var(--border); text-decoration: none; font-weight: 600; }
.g-cards { list-style: none; padding: 0; display: grid; gap: 12px; }
.g-cards a {
  display: block; padding: 18px; border-radius: 14px; background: var(--panel);
  border: 1px solid var(--border); text-decoration: none; color: var(--dim);
}
.g-cards a strong { display: block; color: #fff; font-size: 18px; margin-bottom: 4px; }
.g-foot {
  margin-top: 40px; padding: 26px 0 40px; border-top: 1px solid var(--border);
  font-size: 13px; line-height: 1.6; color: var(--faint);
}
.g-foot a { color: var(--muted); }
/* calculator */
.calc { display: grid; gap: 14px; }
.calc label { display: block; font-weight: 600; color: var(--text); font-size: 15px; margin-bottom: 4px; }
.calc small { color: var(--faint); font-weight: 400; }
.calc input {
  width: 100%; padding: 13px 14px; border-radius: 11px; border: 1px solid var(--border);
  background: #0c1220; color: #fff; font: 600 18px Inter, sans-serif;
}
.calc input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-out { margin-top: 18px; padding: 18px 20px; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--border); }
.calc-out .big { font: 700 30px "Space Grotesk", sans-serif; color: #fff; }
.calc-out p { margin: 6px 0; }
.calc-err { color: #fca5a5; }
@media (max-width: 520px) { .calc-row { grid-template-columns: 1fr; } .g-head nav a.hide-sm { display: none; } }
/* content network (build.py) */
.calc select {
  width: 100%; padding: 13px 14px; border-radius: 11px; border: 1px solid var(--border);
  background: #0c1220; color: #fff; font: 600 17px Inter, sans-serif;
}
.g-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; }
.g-table th, .g-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.g-table th { color: var(--text); font-weight: 700; font-size: 13.5px; }
.g-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.g-open { color: var(--up); font-weight: 700; }
.g-closed { color: var(--faint); }
.g-jump { display: flex; flex-wrap: wrap; gap: 6px; margin: 18px 0; }
.g-jump a {
  min-width: 36px; padding: 6px 0; text-align: center; border-radius: 9px; text-decoration: none;
  background: var(--panel); border: 1px solid var(--border); font-weight: 700;
}
.g-terms { list-style: none; padding: 0; }
.g-terms li { margin: 0; border-top: 1px solid var(--border); }
.g-terms a { display: block; padding: 12px 0; text-decoration: none; color: var(--dim); }
.g-terms a strong { color: #fff; }
.faq-item { border-top: 1px solid var(--border); padding: 4px 0; }
.faq-item summary { cursor: pointer; padding: 12px 0; font-weight: 600; color: var(--text); }
.faq-item p { margin: 0 0 14px; }
.g-def { font-size: 19px; color: var(--text); padding: 16px 18px; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--border); }
/* funnel: course card, follow box, socials */
.g-head nav a.g-nav-course { color: #fff; background: linear-gradient(135deg, #3b82f6, #2563eb); padding: 7px 12px; border-radius: 9px; }
.g-course {
  margin: 34px 0; padding: 20px; border-radius: 16px;
  background: linear-gradient(160deg, rgba(234, 179, 8, 0.10), var(--panel) 60%);
  border: 1px solid rgba(234, 179, 8, 0.40);
}
.g-course p { margin: 6px 0; }
.g-course-eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #facc15; }
.g-course-head { font: 700 21px/1.25 "Space Grotesk", Inter, sans-serif; color: #fff; }
.g-course .g-btn { margin: 10px 0 0; }
.g-follow { margin: 0 0 30px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border); text-align: center; }
.g-follow p { margin: 4px 0; }
.g-social { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }
.g-social a {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 10px;
  border: 1px solid var(--border); color: var(--text); text-decoration: none; font-weight: 600; font-size: 15px;
}
.g-social a:hover { border-color: var(--accent); }
.g-social-foot { justify-content: flex-start; }
.g-social-foot a { padding: 6px 10px; font-size: 13px; color: var(--muted); }
@media (max-width: 520px) { .g-head nav a { margin-left: 10px; } }
.g-code { margin: 18px 0; padding: 14px 16px; border-radius: 12px; background: #0c1220; border: 1px solid var(--border); overflow-x: auto; }
.g-code code { font: 500 14px/1.6 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #e2e8f0; white-space: pre; }
.g-head nav { display: flex; align-items: center; white-space: nowrap; }
.g-head nav a { white-space: nowrap; }
@media (max-width: 520px) {
  .g-head { padding: 14px 16px; }
  .g-head img { height: 24px; width: auto; }
  .g-head nav a { font-size: 14px; }
}
.g-faint { color: var(--faint); font-size: 14px; }
p code, li code, td code { font: 500 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: #0c1220; border: 1px solid var(--border); border-radius: 6px; padding: 1px 5px; color: #e2e8f0; }