/* ═══════════════════════════════════════════════════════════════════
   STEAM4TEACHERS · LANDING — rueda metodológica, currículo y stack
   Extiende los tokens de index.html. La rueda reproduce el gráfico
   "Innovative Education" del modelo de STEAM Robotics Academy.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Rueda de las seis metodologías ──────────────────────────────── */
.wheel-layout{
  display:grid;grid-template-columns:1fr auto 1fr;gap:34px;align-items:center;margin-top:44px
}
.wheel-side{display:flex;flex-direction:column;gap:18px}
.wheel-side.left{text-align:right}
.wheel-item{
  background:none;border:0;padding:0;cursor:pointer;font-family:inherit;color:inherit;
  display:block;width:100%;transition:transform .2s
}
.wheel-side.left .wheel-item{text-align:right}
.wheel-item:hover{transform:translateY(-2px)}
.wheel-item .wi-head{display:flex;align-items:center;gap:9px;margin-bottom:5px}
.wheel-side.left .wi-head{flex-direction:row-reverse}
.wheel-item .wi-dot{
  width:14px;height:14px;border-radius:50%;flex-shrink:0;
  border:3px solid var(--pc);background:transparent;transition:background .2s
}
.wheel-item.on .wi-dot,.wheel-item:hover .wi-dot{background:var(--pc)}
.wheel-item h3{
  font-family:'Sora',sans-serif;font-size:1.02rem;font-weight:700;letter-spacing:-.03em;
  line-height:1.2;color:var(--white)
}
.wheel-item.on h3{color:var(--pc)}
.wheel-item p{font-size:.8rem;color:var(--muted);line-height:1.65}
.wheel-canvas{position:relative;width:420px;max-width:100%}
.wheel-canvas svg{width:100%;height:auto;display:block;overflow:visible}
.wheel-seg{cursor:pointer;transition:opacity .25s,transform .25s;transform-origin:50% 50%}
.wheel-seg:hover{opacity:1}
.wheel-seg.dim{opacity:.66}
.wheel-center-t{
  font-family:'Sora',sans-serif;font-weight:800;letter-spacing:-.02em;fill:var(--white)
}
.wheel-center-s{font-family:'JetBrains Mono',monospace;letter-spacing:.16em;fill:var(--teal2)}
.wheel-ic{font-size:26px;pointer-events:none}
.wheel-detail{
  margin-top:26px;padding:22px 26px;border-radius:18px;background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.08);border-left:3px solid var(--pc);text-align:left
}
.wheel-detail .wd-kicker{
  font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--pc);margin-bottom:7px
}
.wheel-detail h3{font-family:'Sora',sans-serif;font-size:1.15rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.wheel-detail p{font-size:.92rem;color:var(--text);line-height:1.75}
.wheel-detail .wd-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:.75rem;color:var(--muted)
}
.wheel-detail .wd-meta span{
  padding:5px 11px;border-radius:100px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)
}
@media(max-width:1000px){
  .wheel-layout{grid-template-columns:1fr;justify-items:center}
  .wheel-side{width:100%}
  .wheel-side.left{text-align:left}
  .wheel-side.left .wheel-item{text-align:left}
  .wheel-side.left .wi-head{flex-direction:row}
  .wheel-canvas{width:min(420px,86vw);order:-1}
}

/* ── Explorador de currículo ─────────────────────────────────────── */
.curr-wrap{display:flex;flex-direction:column;gap:12px;margin-top:48px}
.curr-tier{
  border-radius:18px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);
  border-left:3px solid var(--tc);overflow:hidden
}
.curr-tier summary{
  display:flex;align-items:center;gap:16px;padding:20px 24px;cursor:pointer;list-style:none;flex-wrap:wrap
}
.curr-tier summary::-webkit-details-marker{display:none}
.curr-ic{font-size:1.3rem}
.curr-step{font-family:'JetBrains Mono',monospace;font-size:.66rem;letter-spacing:.14em;color:var(--tc)}
.curr-name{font-family:'Sora',sans-serif;font-size:1.08rem;font-weight:800;letter-spacing:-.03em;display:block}
.curr-who{font-size:.78rem;color:var(--muted);display:block;margin-top:2px}
.curr-meta{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;font-size:.72rem}
.curr-meta b{
  font-family:'JetBrains Mono',monospace;font-weight:600;padding:5px 11px;border-radius:100px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);color:var(--text)
}
.curr-chev{color:var(--muted);transition:transform .2s}
.curr-tier[open] .curr-chev{transform:rotate(180deg)}
.curr-promise{
  padding:0 24px 16px;font-size:.87rem;color:var(--text);line-height:1.75;max-width:70ch
}
.lesson-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;padding:0 24px 22px}
.lesson-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:start;
  padding:13px 15px;border-radius:13px;background:rgba(255,255,255,.028);
  border:1px solid rgba(255,255,255,.06)
}
.lesson-item .li-ic{font-size:.95rem;line-height:1.4}
.lesson-item b{display:block;font-size:.86rem;font-weight:700;letter-spacing:-.02em;line-height:1.35}
.lesson-item small{display:block;font-size:.76rem;color:var(--muted);line-height:1.6;margin-top:4px}
.lesson-item .li-h{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--muted);white-space:nowrap}
.lesson-item .li-tools{display:flex;flex-wrap:wrap;gap:4px;margin-top:7px}
.lesson-item .li-tools span{
  font-size:.65rem;padding:3px 8px;border-radius:100px;background:rgba(20,184,166,.1);
  border:1px solid rgba(45,212,191,.22);color:var(--teal2)
}
.lesson-item .li-tools span.sw{background:rgba(139,92,246,.1);border-color:rgba(167,139,250,.24);color:var(--violet2)}
@media(max-width:860px){.lesson-grid{grid-template-columns:1fr}}

/* ── Stack de hardware y software ────────────────────────────────── */
.stack-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:48px}
.stack-col{
  padding:26px 28px;border-radius:20px;background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08)
}
.stack-col h3{
  font-family:'Sora',sans-serif;font-size:1.05rem;font-weight:800;letter-spacing:-.03em;margin-bottom:6px
}
.stack-col > p{font-size:.83rem;color:var(--muted);line-height:1.7;margin-bottom:18px}
.stack-items{display:flex;flex-wrap:wrap;gap:8px}
.stack-item{
  display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:600;
  padding:8px 14px;border-radius:100px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);color:var(--text);transition:all .2s
}
.stack-item:hover{transform:translateY(-2px);border-color:var(--sc)}
.stack-hw .stack-item:hover{border-color:rgba(45,212,191,.5)}
.stack-sw .stack-item:hover{border-color:rgba(167,139,250,.5)}
.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:20px}
.tech-card{
  padding:18px 18px;border-radius:15px;background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);transition:all .2s
}
.tech-card:hover{transform:translateY(-4px);border-color:rgba(251,191,36,.35)}
.tech-tag{
  font-family:'JetBrains Mono',monospace;font-size:.7rem;font-weight:600;letter-spacing:.08em;
  color:var(--gold2);display:block;margin-bottom:7px
}
.tech-card h4{font-family:'Sora',sans-serif;font-size:.85rem;font-weight:700;letter-spacing:-.025em;line-height:1.3;margin-bottom:6px}
.tech-card p{font-size:.75rem;color:var(--muted);line-height:1.6}
@media(max-width:1000px){.stack-grid{grid-template-columns:1fr}.tech-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.tech-grid{grid-template-columns:repeat(2,1fr)}}

/* ── Ruta: tarjetas de tier alineadas ────────────────────────────── */
.tier-card{display:flex;flex-direction:column}
.tier-card .t-desc{min-height:auto}
.tier-card .t-foot{margin-top:auto}

/* ── Accesibilidad ───────────────────────────────────────────────── */
.wheel-item:focus-visible,.wheel-seg:focus-visible,.curr-tier summary:focus-visible{
  outline:2px solid var(--teal2);outline-offset:3px
}
@media(prefers-reduced-motion:reduce){
  .wheel-seg,.wheel-item,.stack-item,.tech-card{transition:none}
  .wheel-item:hover,.stack-item:hover,.tech-card:hover{transform:none}
}