/* ============================================================
   education.css — public EDUCATION page (/education).
   Teaches foundational construction-management concepts and how
   Project Telemetry addresses each. Reuses the app theme tokens
   (var(--bg) etc. from app.css) so it tracks light / blueprint,
   and mirrors the marketing tone of explore.css.
   ============================================================ */
.edu-body { background: var(--bg); color: var(--ink); font-family: 'Raleway', system-ui, sans-serif; }

/* ── Hero ───────────────────────────────────────────────────── */
.edu-hero { max-width: 940px; margin: 0 auto; padding: 72px 24px 34px; text-align: center; }
.edu-eyebrow { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  padding: 6px 14px; border-radius: 20px; }
.edu-h1 { font-size: clamp(32px, 6vw, 54px); font-weight: 800; line-height: 1.05; margin: 18px 0 16px; letter-spacing: -.02em; }
.edu-h1 span { color: var(--accent); }
.edu-lead { font-size: clamp(15px, 2.4vw, 19px); color: var(--ink-soft); max-width: 680px; margin: 0 auto 26px; line-height: 1.55; }
.edu-cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.edu-btn { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; padding: 12px 24px;
  border-radius: 10px; cursor: pointer; text-decoration: none; border: 1.5px solid transparent; transition: transform .1s, background .15s; }
.edu-btn:hover { transform: translateY(-1px); }
.edu-btn-primary { background: var(--accent); color: #fff; }
.edu-btn-ghost { background: transparent; color: var(--ink); border-color: var(--bd); }
.edu-note { font-size: 13px; color: var(--ink-faint); margin-top: 14px; }

/* Free-for-education badges under the hero */
.edu-badges { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }
.edu-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--ink-soft);
  background: var(--bg2); border: 1px solid var(--bd); border-radius: 999px; padding: 8px 16px; }
.edu-badge i { color: var(--accent); font-size: 16px; }

/* ── Section framing ────────────────────────────────────────── */
.edu-sec { max-width: 1120px; margin: 0 auto; padding: 40px 24px; }
.edu-sec-alt { background: var(--bg2); border-block: 1px solid var(--bd); }
.edu-sec-head { max-width: 720px; margin: 0 auto 30px; text-align: center; }
.edu-sec-kicker { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); }
.edu-sec-h { font-size: clamp(24px, 3.6vw, 34px); font-weight: 800; letter-spacing: -.015em; margin: 8px 0 10px; line-height: 1.12; }
.edu-sec-p { font-size: 16px; color: var(--ink-soft); line-height: 1.6; margin: 0; }

/* ── Concepts 101 grid ──────────────────────────────────────── */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.edu-card { background: var(--bg); border: 1px solid var(--bd); border-radius: 14px; padding: 20px 20px 18px;
  display: flex; flex-direction: column; transition: transform .12s, border-color .12s, box-shadow .12s; }
.edu-card:hover { transform: translateY(-2px); border-color: var(--accent);
  box-shadow: 0 18px 40px -28px rgba(0,0,0,.4); }
.edu-card-hd { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.edu-card-ico { width: 42px; height: 42px; flex-shrink: 0; display: grid; place-items: center; border-radius: 11px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-size: 22px; }
.edu-card-n { font-size: 11px; font-weight: 700; color: var(--ink-faint); letter-spacing: .04em; }
.edu-card-h { font-size: 17px; font-weight: 800; letter-spacing: -.01em; line-height: 1.15; margin: 1px 0 0; }
.edu-card-def { font-size: 14px; color: var(--ink-soft); line-height: 1.55; margin: 0 0 14px; }
.edu-tag { display: block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
  margin-bottom: 4px; }
.edu-tag-why { color: #B45309; }
.edu-tag-how { color: var(--accent); }
[data-theme="blueprint"] .edu-tag-why { color: #F59E0B; }
.edu-line { font-size: 13.5px; color: var(--ink); line-height: 1.5; margin: 0 0 12px; }
.edu-line:last-child { margin-bottom: 0; }
.edu-line b { font-weight: 700; }
.edu-card-tools { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.edu-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; color: var(--ink-soft);
  background: var(--bg2); border: 1px solid var(--bd); border-radius: 7px; padding: 4px 9px; }
.edu-chip i { color: var(--accent); font-size: 13px; }

/* Mini inline visuals inside concept cards */
.edu-viz { margin: 2px 0 14px; }
.edu-viz svg { width: 100%; height: auto; display: block; }

/* tiny budget bars */
.edu-mini-row { display: flex; align-items: center; gap: 8px; font-size: 11px; margin-bottom: 6px; }
.edu-mini-lbl { width: 68px; color: var(--ink-soft); flex-shrink: 0; font-weight: 600; }
.edu-mini-track { position: relative; flex: 1; height: 7px; border-radius: 5px; background: var(--bd); overflow: hidden; }
.edu-mini-track span { position: absolute; inset: 0 auto 0 0; border-radius: 5px; background: var(--accent); }
.edu-mini-track span.warn { background: #D97706; }
.edu-mini-pct { width: 34px; text-align: right; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

/* mini gantt */
.edu-grow { display: grid; grid-template-columns: 74px 1fr; gap: 8px; align-items: center; margin-bottom: 6px; }
.edu-glbl { font-size: 10.5px; font-weight: 600; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.edu-gtrack { position: relative; height: 13px; background: var(--bg2); border-radius: 4px; border: 1px solid var(--bd); }
.edu-gbar { position: absolute; top: 2px; bottom: 2px; border-radius: 3px; background: var(--accent); }
.edu-gbar.crit { background: #ec6a5e; }

/* three-phase stepper */
.edu-phase { display: flex; align-items: stretch; gap: 0; margin: 2px 0 14px; }
.edu-phase-step { flex: 1; text-align: center; padding: 8px 4px; font-size: 10.5px; font-weight: 700;
  background: var(--bg2); border: 1px solid var(--bd); position: relative; }
.edu-phase-step:first-child { border-radius: 8px 0 0 8px; }
.edu-phase-step:last-child { border-radius: 0 8px 8px 0; }
.edu-phase-step i { display: block; font-size: 16px; color: var(--accent); margin-bottom: 3px; }
.edu-phase-step small { display: block; font-weight: 500; color: var(--ink-faint); font-size: 9.5px; }

/* ── Educators split ────────────────────────────────────────── */
.edu-split { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
.edu-tier { background: var(--bg); border: 1px solid var(--bd); border-radius: 14px; padding: 22px; }
.edu-tier-top { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.edu-tier-ico { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-size: 20px; }
.edu-tier-name { font-size: 18px; font-weight: 800; }
.edu-tier-price { font-size: 13px; font-weight: 700; color: #16A34A; margin-left: auto; }
.edu-tier ul { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.edu-tier li { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--ink); line-height: 1.45; }
.edu-tier li i { color: var(--accent); margin-top: 2px; flex-shrink: 0; }

/* verification steps */
.edu-steps { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 26px; }
.edu-step { background: var(--bg); border: 1px solid var(--bd); border-radius: 12px; padding: 18px; position: relative; }
.edu-step::before { counter-increment: step; content: counter(step); position: absolute; top: 16px; right: 16px;
  font-size: 30px; font-weight: 800; color: var(--bd); line-height: 1; }
.edu-step-ico { font-size: 22px; color: var(--accent); }
.edu-step h4 { font-size: 15px; font-weight: 700; margin: 9px 0 5px; }
.edu-step p { font-size: 13px; color: var(--ink-soft); line-height: 1.5; margin: 0; }
.edu-step code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11.5px;
  background: var(--bg2); border: 1px solid var(--bd); border-radius: 5px; padding: 1px 5px; }

/* ── Learning path ──────────────────────────────────────────── */
.edu-path { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.edu-stage { background: var(--bg); border: 1px solid var(--bd); border-radius: 14px; padding: 20px; border-top: 3px solid var(--accent); }
.edu-stage-lvl { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); }
.edu-stage-h { font-size: 17px; font-weight: 800; margin: 4px 0 12px; }
.edu-stage ol { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 7px; }
.edu-stage li { font-size: 13.5px; color: var(--ink-soft); line-height: 1.45; }
.edu-stage li b { color: var(--ink); font-weight: 700; }

/* ── Closing CTA ────────────────────────────────────────────── */
.edu-close { text-align: center; padding: 64px 24px; background: var(--bg2); border-top: 1px solid var(--bd); }
.edu-close h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -.02em; margin: 0 0 12px; }
.edu-close p { color: var(--ink-soft); font-size: 17px; margin: 0 0 22px; max-width: 560px; margin-inline: auto; }

@media (max-width: 780px) {
  .edu-split { grid-template-columns: 1fr; gap: 18px; }
  .edu-sec { padding: 32px 20px; }
}