/*
 * PLC3D LEARNING EXPERIENCE: APPROVED DESIGN.
 * Do not redesign, simplify or replace this layout without explicit approval.
 * Future changes must preserve its visual hierarchy, layout system and design tokens.
 * Scope: classes prefixed with lrn- (Learning section only)
 */

/* ─── tokens locales ─────────────────────────────────────── */
:root{
  --lrn-board-bg:  linear-gradient(180deg,#07111F 0%,#091525 100%);
  --lrn-board-bdr: rgba(103,145,200,0.20);
  --lrn-board-bdr-hi: rgba(44,122,220,0.38);
  --lrn-cyan-tech: #18D5E8;
  --lrn-green-op:  #32D889;
  --lrn-blue-p:    #287CFF;
  --lrn-blue-hl:   #59A5FF;
  --lrn-amber:     #E3A73B;
  --lrn-t1: 180ms;
  --lrn-t2: 280ms;
  --lrn-ease: cubic-bezier(.25,.46,.45,.94);
}

/* ─── shared section wrapper ──────────────────────────────── */
.lrn-sec{
  position:relative;
  padding:90px 0 80px;
  overflow:hidden;
}
.lrn-sec + .lrn-sec{
  border-top:1px solid var(--line);
}

/* ─── shared accents ──────────────────────────────────────── */
.lrn-accent{ color:var(--lrn-blue-p); }
.lrn-eyebrow{ display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--blue-2); }
.lrn-eyebrow::before{ content:"";width:22px;height:1px;background:var(--blue);box-shadow:0 0 8px var(--blue-glow); }

/* reveal animation */
.lrn-reveal{ opacity:0;transform:translateY(8px);transition:opacity var(--lrn-t2) var(--lrn-ease),transform var(--lrn-t2) var(--lrn-ease); }
.lrn-reveal.lrn-vis{ opacity:1;transform:translateY(0); }
@media(prefers-reduced-motion:reduce){ .lrn-reveal,.lrn-reveal.lrn-vis{ opacity:1;transform:none;transition:none; } }

/* ─── PIZARRÓN (board) ─────────────────────────────────────── */
.lrn-board{
  position:relative;
  background:var(--lrn-board-bg);
  border:1px solid var(--lrn-board-bdr);
  border-radius:var(--r-lg);
  box-shadow:
    0 0 0 1px rgba(24,213,232,0.05),
    0 2px 0 rgba(30,80,180,0.2),
    0 40px 80px -20px rgba(0,0,0,.85),
    inset 0 1px 0 rgba(255,255,255,.04);
  overflow:hidden;
}
/* animated top stripe */
.lrn-board::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;
  background:linear-gradient(90deg,transparent 0%,var(--lrn-cyan-tech) 25%,var(--lrn-blue-p) 50%,var(--lrn-cyan-tech) 75%,transparent 100%);
  background-size:200% 100%;
  animation:lrn-stripe 5s linear infinite;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
}
@keyframes lrn-stripe{ 0%{background-position:0 0}100%{background-position:200% 0} }

.lrn-board-hdr{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 18px 11px;
  background:rgba(4,10,22,.7);
  border-bottom:1px solid rgba(103,145,200,.12);
}
.lrn-board-hdr-title{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.lrn-board-dots{ display:flex;gap:5px;flex-shrink:0; }
.lrn-board-dots span{ width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.1); }
.lrn-board-dots span:nth-child(1){ background:rgba(255,92,108,.45); }
.lrn-board-dots span:nth-child(2){ background:rgba(245,181,68,.45); }
.lrn-board-dots span:nth-child(3){ background:rgba(47,210,122,.45); }

.lrn-board-inner{ padding:14px 16px 16px; }

/* ─── brand tabs (inside board) ──────────────────────────── */
.lrn-btabs{ display:flex;gap:6px;padding:10px 14px 0;flex-wrap:wrap; }
.lrn-btab{
  display:flex;align-items:center;gap:7px;padding:6px 13px;
  border-radius:9px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);cursor:pointer;
  font-family:var(--body);font-weight:600;font-size:13px;color:var(--muted);
  transition:all var(--lrn-t1) var(--lrn-ease);
}
.lrn-btab:hover{ border-color:var(--line-blue);color:var(--text); }
.lrn-btab.on{ background:rgba(46,123,255,.14);border-color:var(--line-blue);color:var(--text); }
.lrn-btab-logo{
  width:22px;height:22px;border-radius:5px;display:grid;place-items:center;
  font-family:var(--display);font-weight:800;font-size:9px;color:#fff;flex-shrink:0;
}
.lrn-btab-soon{
  font-family:var(--mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--warn);background:rgba(245,181,68,.10);border:1px solid rgba(245,181,68,.3);
  border-radius:5px;padding:2px 6px;
}

/* ─── brand header inside board ─────────────────────────── */
.lrn-brand-hdr{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px 8px;
  border-bottom:1px solid rgba(103,145,200,.10);
}
.lrn-brand-ico{
  width:28px;height:28px;border-radius:7px;display:grid;place-items:center;
  font-family:var(--display);font-weight:800;font-size:10px;color:#fff;
}
.lrn-brand-name{ font-family:var(--display);font-weight:700;font-size:15px;color:var(--text); }

/* ─── gen labels ─────────────────────────────────────────── */
.lrn-gen-labels{
  display:flex;justify-content:space-between;align-items:center;
  padding:7px 14px 4px;
}
.lrn-gen-label{
  font-family:var(--mono);font-size:10px;color:var(--faint);letter-spacing:.05em;
  display:flex;align-items:center;gap:6px;
}
.lrn-gen-label-line{ display:block;width:40px;height:1px;background:var(--faint);opacity:.4; }

/* ─── family timeline (scrollable row) ───────────────────── */
.lrn-fam-row{
  display:flex;align-items:flex-start;gap:0;
  padding:8px 14px 12px;
  overflow-x:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(46,123,255,.2) transparent;
}
.lrn-fam-row::-webkit-scrollbar{ height:3px; }
.lrn-fam-row::-webkit-scrollbar-thumb{ background:rgba(46,123,255,.2);border-radius:2px; }

.lrn-fam-card{
  flex:0 0 106px;
  max-width:106px;
  min-width:0;
  overflow:hidden;
  border:1px solid rgba(103,145,200,.14);
  border-radius:12px;
  background:rgba(9,21,37,.9);
  padding:10px 10px 12px;
  cursor:pointer;
  transition:border-color var(--lrn-t1),transform var(--lrn-t1);
}
.lrn-fam-card:hover{ border-color:rgba(46,123,255,.4);transform:translateY(-3px); }
.lrn-fam-card.legacy{ border-color:rgba(103,145,200,.10); }

.lrn-fam-img{
  width:100%;height:70px;
  border-radius:8px;
  background:linear-gradient(180deg,#1A2640,#152035);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;margin-bottom:8px;
}
.lrn-fam-img img{ max-height:100%;max-width:100%;object-fit:contain;padding:4px; }
.lrn-fam-img-ph{
  width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-family:var(--mono);font-size:11px;font-weight:600;
}
.lrn-fam-name{ font-family:var(--display);font-weight:700;font-size:13px;color:var(--text);line-height:1.2; }
.lrn-fam-era{ font-family:var(--mono);font-size:9.5px;color:var(--dim);margin:2px 0 5px; }
.lrn-fam-desc{ font-size:11px;color:var(--muted);line-height:1.4;margin-bottom:7px; }
.lrn-fam-foot{ display:flex;align-items:center;justify-content:space-between;gap:4px; }
.lrn-fam-lessons{ font-family:var(--mono);font-size:10px;color:var(--dim); }

/* level badges */
.lrn-badge{ display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.04em;padding:3px 8px;border-radius:6px;font-weight:600; }
.lrn-badge-basic{ color:var(--ok);background:rgba(47,210,122,.1);border:1px solid rgba(47,210,122,.25); }
.lrn-badge-inter{ color:var(--blue-2);background:rgba(46,123,255,.1);border:1px solid var(--line-blue); }
.lrn-badge-adv{ color:#b098f0;background:rgba(155,127,224,.1);border:1px solid rgba(155,127,224,.25); }
.lrn-badge-princ{ color:var(--lrn-cyan-tech);background:rgba(24,213,232,.1);border:1px solid rgba(24,213,232,.25); }
.lrn-badge-exp{ color:var(--lrn-amber);background:rgba(227,167,59,.1);border:1px solid rgba(227,167,59,.25); }

/* family arrow */
.lrn-fam-arrow{
  flex:0 0 12px;height:2px;align-self:center;margin-top:-30px;
  background:linear-gradient(90deg,var(--lrn-cyan-tech),var(--lrn-blue-p));
  box-shadow:0 0 6px rgba(24,213,232,.35);
  position:relative;
}
.lrn-fam-arrow::after{
  content:"";position:absolute;right:-1px;top:-3.5px;
  border-top:4px solid transparent;border-bottom:4px solid transparent;
  border-left:6px solid var(--lrn-blue-p);
}

/* ─── board progress summary ─────────────────────────────── */
.lrn-board-progress{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding:11px 14px 13px;
  border-top:1px solid rgba(103,145,200,.10);
  background:rgba(4,10,22,.35);
}
.lrn-bp-main{ flex:1;min-width:200px; }
.lrn-bp-label{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text);margin-bottom:6px; }
.lrn-pbar{ height:5px;border-radius:3px;background:var(--line);overflow:hidden;margin-bottom:0; }
.lrn-pbar-fill{ display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--lrn-blue-p),var(--lrn-cyan-tech));transition:width .7s var(--lrn-ease); }
.lrn-bp-stat{ display:flex;flex-direction:column;align-items:center;gap:1px; }
.lrn-bp-stat-v{ font-family:var(--display);font-weight:700;font-size:18px;color:var(--lrn-blue-p); }
.lrn-bp-stat-k{ font-family:var(--mono);font-size:9.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--dim); }

/* board components row */
.lrn-comp-row{ display:flex;gap:6px;padding:10px 14px 12px;flex-wrap:wrap; }
.lrn-comp-chip{
  display:flex;align-items:center;gap:7px;padding:7px 12px;
  border:1px solid rgba(103,145,200,.14);border-radius:8px;
  background:rgba(9,21,37,.7);
  font-size:12px;color:var(--muted);
}
.lrn-comp-chip svg{ width:14px;height:14px;color:var(--blue-2);flex-shrink:0; }
.lrn-comp-chip span{ font-family:var(--body);font-weight:600;font-size:12px;color:var(--text); }
.lrn-comp-chip small{ font-family:var(--mono);font-size:10px;color:var(--dim); }

/* ─── ═══ SECTION 01: HERO ══════════════════════════════ ─── */
.lrn-s01{ padding:72px 0 0; }

.lrn-hero-grid{
  display:grid;
  grid-template-columns:22fr 56fr 22fr;
  gap:20px;
  align-items:start;
}
/* Loxi col se oculta solo en responsive ≤992px, ver sección responsive */

/* Badge compacto de Loxi en header del board */
.lrn-loxi-board-badge{
  display:flex;align-items:center;gap:7px;
  padding:4px 12px;
  background:rgba(24,213,232,.07);
  border:1px solid rgba(24,213,232,.18);
  border-radius:20px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--lrn-cyan-tech);flex-shrink:0;margin-left:auto;margin-right:6px;
  white-space:nowrap;
}
.lrn-loxi-board-badge img{ width:18px;height:18px;border-radius:4px;object-fit:cover; }

.lrn-hero-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.02;letter-spacing:-0.03em;
  margin:16px 0 14px;color:var(--text);
}
.lrn-hero-sub{ color:var(--muted);font-size:15px;line-height:1.6;max-width:38ch; }
.lrn-hero-sub a{ color:var(--lrn-cyan-tech);text-decoration:none;border-bottom:1px solid rgba(24,213,232,.3); }
.lrn-hero-sub a:hover{ border-color:var(--lrn-cyan-tech); }

/* module cards (left col) */
.lrn-modules{ display:flex;flex-direction:column;gap:8px;margin-top:20px; }
.lrn-mod-card{
  display:flex;align-items:flex-start;gap:11px;
  padding:11px 13px 13px;
  border:1px solid var(--line-2);border-radius:13px;
  background:rgba(255,255,255,.02);
  transition:border-color var(--lrn-t1),background var(--lrn-t1);
  cursor:pointer;
}
.lrn-mod-card:hover{ border-color:var(--line-blue);background:rgba(46,123,255,.04); }
.lrn-mod-ico{
  flex:none;width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--blue-soft);border:1px solid var(--line-blue);
  color:var(--blue-2);
}
.lrn-mod-ico svg{ width:16px;height:16px; }
.lrn-mod-body{ flex:1;min-width:0; }
.lrn-mod-title{ font-family:var(--display);font-weight:600;font-size:13.5px;color:var(--text);line-height:1.3; }
.lrn-mod-desc{ font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.4; }
.lrn-mod-prog{ margin-top:7px; }
.lrn-mod-prog-row{ display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--dim);margin-bottom:4px; }
.lrn-mod-prog-row b{ color:var(--muted); }

/* Loxi panel */
.lrn-loxi-col{ display:flex;flex-direction:column;align-items:center;gap:0;position:relative; }
.lrn-loxi-dialog{
  width:100%;padding:13px 15px 14px;
  background:rgba(9,21,37,.95);
  border:1px solid var(--lrn-board-bdr);
  border-radius:14px;
  box-shadow:0 8px 32px -8px rgba(0,0,0,.6);
  z-index:2;position:relative;
  margin-bottom:-4px;
}
.lrn-loxi-badge{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lrn-cyan-tech);margin-bottom:9px;
}
.lrn-loxi-avatar{
  width:24px;height:24px;border-radius:6px;object-fit:cover;
  border:1px solid rgba(24,213,232,.3);
}
.lrn-loxi-msg p{ font-size:13px;line-height:1.6;color:var(--muted); }
.lrn-loxi-q{ color:var(--lrn-cyan-tech) !important;font-weight:500;margin-top:8px; }
.lrn-loxi-img{
  width:100%;max-width:220px;
  filter:drop-shadow(0 0 18px rgba(24,213,232,.22));
  animation:lrn-loxi-pulse 3.5s ease-in-out infinite;
}
@keyframes lrn-loxi-pulse{
  0%,100%{ filter:drop-shadow(0 0 14px rgba(24,213,232,.2)); }
  50%{ filter:drop-shadow(0 0 28px rgba(24,213,232,.45)); }
}

/* methodology flow (below hero grid) */
.lrn-method{
  margin-top:28px;
  padding:22px 24px 24px;
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(14,20,36,.7),rgba(9,14,28,.7));
}
.lrn-method-hdr{ display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px;flex-wrap:wrap; }
.lrn-method-hdr-title{ font-family:var(--display);font-weight:600;font-size:16px;color:var(--text); }
.lrn-method-hdr-sub{ font-size:13px;color:var(--muted);max-width:42ch; }
.lrn-method-steps{ display:flex;align-items:flex-start;gap:0;flex-wrap:nowrap;overflow-x:auto; }
.lrn-mstep{
  flex:1;min-width:0;
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  padding:0 12px;position:relative;
}
.lrn-mstep:not(:last-child)::after{
  content:"";position:absolute;top:18px;left:calc(50% + 22px);right:0;
  height:1px;background:linear-gradient(90deg,var(--line-blue),transparent);
}
.lrn-mstep-n{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;
  font-family:var(--display);font-weight:700;font-size:14px;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-mstep-title{ font-family:var(--display);font-weight:600;font-size:12.5px;color:var(--text); }
.lrn-mstep-desc{ font-size:11px;color:var(--muted);line-height:1.4; }
.lrn-mstep-dur{ font-family:var(--mono);font-size:10px;color:var(--dim); }
.lrn-method-ctas{ display:flex;gap:10px;margin-top:18px;justify-content:flex-end; }

/* stats bar */
.lrn-statsbar{
  display:flex;flex-wrap:wrap;align-items:stretch;
  border-top:1px solid var(--line);
  background:rgba(6,10,20,.8);
  margin-top:32px;
}
.lrn-statsbar-item{
  flex:1;min-width:160px;
  display:flex;align-items:center;gap:12px;
  padding:18px 20px;
  border-right:1px solid var(--line);
}
.lrn-statsbar-item:last-child{ border-right:0; }
.lrn-statsbar-ico{
  flex:none;width:40px;height:40px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-statsbar-ico svg{ width:20px;height:20px; }
.lrn-statsbar-v{ font-family:var(--display);font-weight:700;font-size:22px;color:var(--lrn-blue-p);line-height:1; }
.lrn-statsbar-l{ font-family:var(--body);font-weight:600;font-size:13px;color:var(--text);margin-top:1px; }
.lrn-statsbar-s{ font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.3; }

/* ─── ═══ SECTION 02: ROUTES ════════════════════════════ ─── */
.lrn-s02{ background:linear-gradient(180deg,rgba(9,14,30,.4),transparent); }

.lrn-s02-grid{
  display:grid;
  grid-template-columns:22fr 56fr 22fr;
  gap:20px;align-items:start;
  margin-top:20px;
}
.lrn-s02-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(26px,3.2vw,42px);
  line-height:1.04;letter-spacing:-0.03em;
  margin:14px 0 12px;
}
.lrn-s02-sub{ color:var(--muted);font-size:14.5px;line-height:1.6;max-width:34ch;margin-bottom:20px; }

.lrn-benefits{ display:flex;flex-direction:column;gap:12px;margin-top:4px; }
.lrn-benefit{
  display:flex;align-items:flex-start;gap:11px;
  padding:10px 12px 11px;
  border:1px solid var(--line-2);border-radius:12px;
  background:rgba(255,255,255,.018);
}
.lrn-benefit-ico{
  flex:none;width:30px;height:30px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-benefit-ico svg{ width:14px;height:14px; }
.lrn-benefit-title{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text); }
.lrn-benefit-desc{ font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.4; }

/* routes board: wider inner */
.lrn-routes-board .lrn-board-inner{ padding:0; }
.lrn-routes-board .lrn-fam-card{ flex:0 0 108px; max-width:108px; overflow:hidden; }
.lrn-routes-board .lrn-fam-img{ height:78px; }
.lrn-routes-board .lrn-fam-desc{ display:block; }

/* Bottom row: brand previews + filter */
.lrn-s02-bottom{
  display:grid;
  grid-template-columns:1fr 1fr auto;
  gap:14px;align-items:start;
  margin-top:16px;
}
.lrn-brand-preview{
  border:1px solid var(--line-2);border-radius:14px;
  padding:14px 16px 16px;
  background:rgba(9,21,37,.7);
}
.lrn-brand-preview-hdr{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;
}
.lrn-brand-preview-name{
  font-family:var(--display);font-weight:700;font-size:15px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.lrn-brand-preview-link{
  font-family:var(--mono);font-size:11px;color:var(--blue-2);
  background:var(--blue-soft);border:1px solid var(--line-blue);
  border-radius:7px;padding:4px 10px;cursor:pointer;
  transition:all var(--lrn-t1);
}
.lrn-brand-preview-link:hover{ background:rgba(46,123,255,.2); }
.lrn-preview-row{
  display:flex;align-items:center;gap:0;overflow-x:auto;
  scrollbar-width:none;padding-bottom:2px;
}
.lrn-preview-card{
  flex:0 0 100px;text-align:center;
  border:1px solid rgba(103,145,200,.12);border-radius:8px;
  padding:8px 6px 9px;background:rgba(9,21,37,.9);
}
.lrn-preview-img{
  width:100%;height:52px;border-radius:5px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#1A2640,#152035);
  margin-bottom:5px;overflow:hidden;
}
.lrn-preview-img img{ max-height:100%;max-width:100%;object-fit:contain;padding:3px; }
.lrn-preview-name{ font-family:var(--display);font-weight:600;font-size:11px;color:var(--text); }
.lrn-preview-era{ font-family:var(--mono);font-size:9px;color:var(--dim);margin-top:1px; }
.lrn-preview-arrow{ flex:0 0 18px;height:1px;background:linear-gradient(90deg,var(--lrn-cyan-tech),var(--lrn-blue-p));align-self:center;margin-top:-14px;position:relative;box-shadow:0 0 4px rgba(24,213,232,.3); }
.lrn-preview-arrow::after{ content:"";position:absolute;right:-1px;top:-2.5px;border-top:3px solid transparent;border-bottom:3px solid transparent;border-left:5px solid var(--lrn-blue-p); }

/* filter panel */
.lrn-filter-panel{
  width:240px;
  border:1px solid var(--line-2);border-radius:14px;
  padding:16px;background:rgba(9,21,37,.7);
}
.lrn-filter-title{ font-family:var(--display);font-weight:600;font-size:14px;color:var(--text);margin-bottom:12px; }
.lrn-filter-row{ display:flex;flex-direction:column;gap:4px;margin-bottom:10px; }
.lrn-filter-row label{ font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim); }
.lrn-select{
  appearance:none;width:100%;padding:7px 10px;
  background:rgba(9,21,37,.9);
  border:1px solid var(--line-2);border-radius:8px;
  color:var(--muted);font-family:var(--body);font-size:13px;
  cursor:pointer;
}
.lrn-select:focus{ outline:none;border-color:var(--line-blue);color:var(--text); }
.lrn-btn-full{ width:100%;margin-top:6px;justify-content:center; }

/* routes stats bar */
.lrn-routes-stats{
  display:flex;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--line);
  background:rgba(6,10,20,.7);
  margin-top:28px;
}
.lrn-rstat{
  flex:1;min-width:120px;
  display:flex;align-items:center;gap:10px;
  padding:14px 18px;
  border-right:1px solid var(--line);
}
.lrn-rstat:last-child{ border-right:0; }
.lrn-rstat-ico{ flex:none;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2); }
.lrn-rstat-ico svg{ width:15px;height:15px; }
.lrn-rstat-v{ font-family:var(--display);font-weight:700;font-size:17px;color:var(--lrn-blue-p); }
.lrn-rstat-l{ font-family:var(--body);font-weight:600;font-size:12px;color:var(--text); }
.lrn-rstat-s{ font-size:11px;color:var(--muted); }

/* ─── ═══ SECTION 03: LESSON ════════════════════════════ ─── */
.lrn-s03{ background:linear-gradient(180deg,rgba(6,10,20,.5),transparent); }

.lrn-s03-grid{
  display:grid;
  grid-template-columns:22fr 56fr 22fr;
  gap:20px;align-items:start;
}

.lrn-lesson-struct-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(24px,3vw,38px);
  line-height:1.06;letter-spacing:-0.03em;
  margin:14px 0 10px;
}
.lrn-lesson-struct-sub{ font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:20px; }

.lrn-steps-panel{
  border:1px solid var(--line-2);border-radius:14px;
  background:rgba(9,21,37,.6);padding:14px;
}
.lrn-steps-panel-title{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text);margin-bottom:11px; }
.lrn-lsteps{ display:flex;flex-direction:column;gap:6px; }
.lrn-lstep{
  display:flex;align-items:flex-start;gap:10px;
  padding:9px 11px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.01);
  cursor:pointer;transition:all var(--lrn-t1);
}
.lrn-lstep:hover{ border-color:var(--line-blue); }
.lrn-lstep.on{ background:rgba(46,123,255,.1);border-color:var(--line-blue); }
.lrn-lstep.done .lrn-lstep-n{ background:var(--ok);border-color:var(--ok);color:#06210c; }
.lrn-lstep-n{
  flex:none;width:26px;height:26px;border-radius:7px;
  display:grid;place-items:center;
  font-family:var(--mono);font-weight:700;font-size:11px;
  background:rgba(46,123,255,.08);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-lstep-t{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text); }
.lrn-lstep-d{ font-size:11px;color:var(--muted);margin-top:1px;line-height:1.35; }
.lrn-lstep-dur{ font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:3px; }
.lrn-lesson-progress-wrap{ margin-top:14px;padding-top:13px;border-top:1px solid var(--line); }
.lrn-lp-row{ display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:6px; }
.lrn-lp-pct{ color:var(--lrn-cyan-tech);font-family:var(--mono);font-weight:600; }
.lrn-lp-sub{ font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:4px; }

/* lesson board */
.lrn-lesson-board .lrn-board-hdr{ flex-wrap:wrap;gap:8px; }
.lrn-board-hdr-nav{
  display:flex;align-items:center;gap:5px;flex-shrink:0;
}
.lrn-step-pip{
  width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:10px;font-weight:600;
  border:1px solid var(--line-2);color:var(--dim);
  background:rgba(255,255,255,.02);
}
.lrn-step-pip.done{ background:var(--blue-soft);border-color:var(--line-blue);color:var(--blue-2); }
.lrn-step-pip.active{ background:var(--lrn-blue-p);border-color:var(--lrn-blue-p);color:#fff; }
.lrn-step-conn{ width:12px;height:1px;background:var(--line-2); }
.lrn-step-label{ font-family:var(--mono);font-size:10px;color:var(--blue-2);margin-left:4px; }

/* ladder section inside board */
.lrn-ladder-section{ padding:12px 14px 10px; }
.lrn-ladder-title{ font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);margin-bottom:10px; }
.lrn-ld-svg{ width:100%;display:block; }

/* explain + notes */
.lrn-explain-row{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
  padding:12px 14px 14px;
  border-top:1px solid rgba(103,145,200,.10);
}
.lrn-explain-title{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text);margin-bottom:7px; }
.lrn-explain-text{ font-size:12.5px;color:var(--muted);line-height:1.6; }
.lrn-notes-title{
  font-family:var(--display);font-weight:600;font-size:13px;color:var(--text);margin-bottom:7px;
  display:flex;align-items:center;gap:7px;
}
.lrn-notes-title::before{ content:"";width:3px;height:14px;border-radius:2px;background:var(--lrn-cyan-tech);display:block; }
.lrn-notes-list{ list-style:none;display:flex;flex-direction:column;gap:5px; }
.lrn-notes-list li{
  display:flex;align-items:flex-start;gap:7px;
  font-size:12px;color:var(--muted);line-height:1.4;
}
.lrn-notes-list li::before{
  content:"";flex-shrink:0;
  width:6px;height:6px;border-radius:50%;
  background:var(--lrn-cyan-tech);margin-top:4px;
}

/* lesson meta bar */
.lrn-lesson-meta{
  display:flex;align-items:center;gap:0;
  border-top:1px solid rgba(103,145,200,.10);
  background:rgba(4,10,22,.4);
}
.lrn-meta-item{
  flex:1;display:flex;align-items:center;gap:11px;
  padding:13px 16px;
}
.lrn-meta-sep{ width:1px;height:40px;background:rgba(103,145,200,.12);flex-shrink:0; }
.lrn-meta-ico{ flex:none;color:var(--blue-2); }
.lrn-meta-ico svg{ width:20px;height:20px; }
.lrn-meta-label{ font-family:var(--mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--dim);margin-bottom:3px; }
.lrn-meta-v{ font-family:var(--display);font-weight:700;font-size:19px;color:var(--lrn-cyan-tech); }
.lrn-meta-v-ok{ font-family:var(--display);font-weight:700;font-size:16px;color:var(--ok); }
.lrn-meta-s{ font-size:11px;color:var(--muted);margin-top:1px; }
.lrn-meta-txt{ font-size:12.5px;color:var(--text);line-height:1.5;max-width:26ch; }
.lrn-meta-arrow{ padding:0 6px;color:var(--dim); }

/* practice flow */
.lrn-practice{
  margin-top:22px;padding:22px 24px 24px;
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(14,20,36,.7),rgba(9,14,28,.7));
}
.lrn-practice-top{ display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;margin-bottom:18px; }
.lrn-practice-title{ font-family:var(--display);font-weight:700;font-size:20px;color:var(--text);margin-bottom:6px; }
.lrn-practice-sub{ font-size:13.5px;color:var(--muted);line-height:1.6; }
.lrn-practice-ctas{ display:flex;flex-direction:column;gap:8px;align-items:flex-end; }
.lrn-pflow{ display:grid;grid-template-columns:repeat(5,1fr);gap:12px; }
.lrn-pflow-item{
  border:1px solid var(--line-2);border-radius:12px;overflow:hidden;
  cursor:pointer;transition:border-color var(--lrn-t1);
}
.lrn-pflow-item:hover{ border-color:var(--line-blue); }
.lrn-pflow-img{ height:80px;background:rgba(9,21,37,.9);overflow:hidden;display:grid;place-items:center; }
.lrn-pflow-img img{ width:100%;height:100%;object-fit:cover; }
.lrn-pflow-ph{ width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--dim); }
.lrn-pflow-body{ padding:9px 10px 10px; }
.lrn-pflow-title{ font-family:var(--display);font-weight:600;font-size:12px;color:var(--text);display:flex;align-items:center;justify-content:space-between; }
.lrn-pflow-title svg{ width:12px;height:12px;color:var(--blue-2); }
.lrn-pflow-desc{ font-size:10.5px;color:var(--muted);margin-top:4px;line-height:1.4; }

/* legend */
.lrn-ld-legend{
  display:flex;flex-direction:column;gap:5px;
  padding:10px 13px;
  border:1px solid rgba(103,145,200,.12);border-radius:10px;
  background:rgba(9,21,37,.7);
  min-width:180px;
}
.lrn-ld-legend-title{ font-family:var(--display);font-weight:600;font-size:12px;color:var(--text);margin-bottom:5px; }
.lrn-ld-legend-item{ display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted); }

/* ─── ═══ SECTION 04: PROGRAMMING ══════════════════════ ─── */
.lrn-s04-grid{
  display:grid;
  grid-template-columns:22fr 28fr 28fr 22fr;
  gap:14px;align-items:start;
}

.lrn-s04-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(24px,3vw,40px);
  line-height:1.04;letter-spacing:-0.03em;
  margin:14px 0 10px;
}
.lrn-s04-sub{ font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:18px; }
.lrn-s04-modules{ display:flex;flex-direction:column;gap:8px; }

/* programming panel */
.lrn-prog-panel{
  border:1px solid var(--line-2);border-radius:14px;
  background:rgba(9,21,37,.6);overflow:hidden;
}
.lrn-prog-panel-hdr{
  padding:13px 14px;border-bottom:1px solid var(--line);
  font-family:var(--display);font-weight:600;font-size:14px;color:var(--text);
}
.lrn-ptabs{ display:flex;gap:0;border-bottom:1px solid var(--line); }
.lrn-ptab{
  flex:1;padding:9px 0;text-align:center;
  font-family:var(--body);font-weight:500;font-size:12.5px;color:var(--muted);
  cursor:pointer;border-bottom:2px solid transparent;
  transition:all var(--lrn-t1);
}
.lrn-ptab:hover{ color:var(--text); }
.lrn-ptab.on{ color:var(--lrn-blue-p);border-bottom-color:var(--lrn-blue-p); }
.lrn-prog-cats{ display:flex;flex-direction:column;gap:4px;padding:10px 12px 6px; }
.lrn-prog-cat{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px;border-radius:8px;border:1px solid var(--line);
  cursor:pointer;transition:all var(--lrn-t1);
  font-size:13px;color:var(--muted);
}
.lrn-prog-cat:hover{ border-color:var(--line-blue);color:var(--text); }
.lrn-prog-cat.on{ background:rgba(46,123,255,.1);border-color:var(--line-blue);color:var(--text); }
.lrn-prog-cat-name{ font-family:var(--display);font-weight:600;font-size:13px; }
.lrn-prog-cat-desc{ font-family:var(--mono);font-size:10px;color:var(--dim);margin-top:1px; }
.lrn-prog-example{
  margin:6px 12px 12px;border-radius:10px;
  border:1px solid rgba(103,145,200,.14);overflow:hidden;
  background:rgba(6,12,24,.9);
}
.lrn-prog-ex-hdr{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;border-bottom:1px solid rgba(103,145,200,.10);
}
.lrn-prog-ex-title{ font-family:var(--mono);font-size:11px;color:var(--muted); }
.lrn-prog-ex-tag{ font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--lrn-blue-p);background:rgba(46,123,255,.12);border:1px solid var(--line-blue);border-radius:5px;padding:2px 7px; }
.lrn-prog-ex-body{ padding:10px 12px 12px; }
.lrn-prog-ex-desc{ font-size:12px;color:var(--muted);line-height:1.55;margin-top:8px; }
.lrn-prog-ex-link{
  display:inline-flex;align-items:center;gap:5px;
  font-family:var(--mono);font-size:11px;color:var(--lrn-cyan-tech);margin-top:8px;
  cursor:pointer;
}
.lrn-prog-ex-link svg{ width:12px;height:12px; }

/* exercise list */
.lrn-exer-panel{
  border:1px solid var(--line-2);border-radius:14px;
  background:rgba(9,21,37,.6);overflow:hidden;
}
.lrn-exer-tabs{ display:flex;border-bottom:1px solid var(--line); }
.lrn-exer-tab{
  flex:1;padding:11px 0;text-align:center;
  font-family:var(--body);font-weight:500;font-size:12.5px;color:var(--muted);
  cursor:pointer;border-bottom:2px solid transparent;
  transition:all var(--lrn-t1);
}
.lrn-exer-tab.on{ color:var(--lrn-blue-p);border-bottom-color:var(--lrn-blue-p); }
.lrn-exer-filters{ display:flex;gap:5px;padding:8px 11px;border-bottom:1px solid var(--line);flex-wrap:wrap; }
.lrn-exer-filter{
  padding:4px 10px;border-radius:7px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.02);
  font-family:var(--body);font-size:12px;color:var(--muted);cursor:pointer;
  transition:all var(--lrn-t1);
}
.lrn-exer-filter.on{ background:rgba(46,123,255,.12);border-color:var(--line-blue);color:var(--text); }
.lrn-exer-cards{ display:flex;flex-direction:column;gap:0; }
.lrn-exer-card{
  display:flex;align-items:center;gap:11px;
  padding:11px 12px;
  border-bottom:1px solid var(--line);
  cursor:pointer;transition:background var(--lrn-t1);
}
.lrn-exer-card:last-child{ border-bottom:0; }
.lrn-exer-card:hover{ background:rgba(46,123,255,.04); }
.lrn-exer-card.active{ background:rgba(47,210,122,.04); }
.lrn-exer-card-ico{
  flex:none;width:36px;height:36px;border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--muted);
  background:rgba(255,255,255,.02);
}
.lrn-exer-card-ico svg{ width:16px;height:16px; }
.lrn-exer-card-body{ flex:1;min-width:0; }
.lrn-exer-card-title{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text);display:flex;align-items:center;gap:7px;flex-wrap:wrap; }
.lrn-exer-card-desc{ font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.3; }
.lrn-exer-card-prog{ margin-top:5px; }
.lrn-exer-card-prog-row{ display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:var(--dim);margin-bottom:3px; }
.lrn-exer-card-link{ display:none;color:var(--dim); }

/* simulator preview */
.lrn-sim-panel{
  border:1px solid var(--line-2);border-radius:14px;
  overflow:hidden;background:rgba(9,21,37,.6);
}
.lrn-sim-hdr{
  padding:10px 13px;border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;
}
.lrn-sim-img{ height:160px;overflow:hidden;display:grid;place-items:center;background:rgba(6,12,24,.8); }
.lrn-sim-img img{ width:100%;height:100%;object-fit:cover; }
.lrn-sim-controls{
  display:flex;align-items:center;gap:6px;padding:7px 11px;
  border-top:1px solid var(--line);background:rgba(4,10,22,.4);
}
.lrn-sim-status{ display:flex;align-items:center;gap:5px;font-family:var(--mono);font-size:10px;color:var(--ok); }
.lrn-sim-status::before{ content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);display:block; }
.lrn-sim-ctrl-btn{ background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:6px;padding:3px 7px;font-family:var(--mono);font-size:10px;color:var(--dim);cursor:pointer; }
.lrn-sim-ctrl-btn:hover{ border-color:var(--line-blue);color:var(--muted); }
.lrn-io-panel{ padding:10px 13px 12px; }
.lrn-io-title{ font-family:var(--mono);font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:var(--dim);margin-bottom:8px; }
.lrn-io-sub{ font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:5px;margin-top:8px; }
.lrn-io-row{ display:flex;align-items:center;justify-content:space-between;padding:4px 0;border-bottom:1px solid rgba(255,255,255,.04); }
.lrn-io-row:last-child{ border-bottom:0; }
.lrn-io-addr{ font-family:var(--mono);font-size:11px;font-weight:600;color:var(--lrn-cyan-tech);min-width:32px; }
.lrn-io-label{ font-size:12px;color:var(--muted);flex:1;padding:0 8px; }
.lrn-io-state{ font-family:var(--mono);font-size:10px;font-weight:600;padding:2px 7px;border-radius:5px; }
.lrn-io-state.on{ color:var(--ok);background:rgba(47,210,122,.1);border:1px solid rgba(47,210,122,.25); }
.lrn-io-state.off{ color:var(--dim);background:rgba(255,255,255,.03);border:1px solid var(--line); }
.lrn-sim-help{
  margin:8px;border-radius:9px;padding:9px 11px;
  background:rgba(9,21,37,.9);border:1px solid rgba(24,213,232,.18);
}
.lrn-sim-help-badge{ font-family:var(--mono);font-size:10px;color:var(--lrn-cyan-tech);margin-bottom:5px;letter-spacing:.06em;text-transform:uppercase; }
.lrn-sim-help-text{ font-size:12px;color:var(--muted);line-height:1.5; }
.lrn-sim-help-link{ font-family:var(--mono);font-size:10.5px;color:var(--blue-2);margin-top:6px;display:inline-flex;align-items:center;gap:5px;cursor:pointer; }

/* s04 flow bottom */
.lrn-s04-flow{
  display:flex;align-items:center;justify-content:center;gap:0;
  margin-top:24px;padding:18px 0;
  border-top:1px solid var(--line);
}
.lrn-flow-item{ display:flex;flex-direction:column;align-items:center;gap:6px;padding:0 22px;text-align:center; }
.lrn-flow-ico{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-flow-ico svg{ width:18px;height:18px; }
.lrn-flow-title{ font-family:var(--display);font-weight:600;font-size:13px;color:var(--text); }
.lrn-flow-desc{ font-size:11.5px;color:var(--muted);max-width:16ch;line-height:1.4; }
.lrn-flow-arrow{ color:var(--dim);font-size:18px;align-self:center;margin-top:-18px;padding:0 4px; }
.lrn-s04-ctas{ display:flex;gap:10px;justify-content:center;margin-top:18px; }

/* ─── ═══ SECTION 05: COMPLETE ROUTE ══════════════════ ─── */
.lrn-s05{ background:linear-gradient(180deg,rgba(9,14,30,.4),transparent); }

.lrn-s05-top{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start;margin-bottom:32px;
}
.lrn-s05-title{
  font-family:var(--display);font-weight:800;
  font-size:clamp(28px,3.5vw,50px);
  line-height:1.0;letter-spacing:-0.035em;
  margin-top:12px;
}
.lrn-s05-sub{ font-size:16px;color:var(--muted);line-height:1.6;max-width:56ch;margin-top:12px; }

/* Loxi guide panel */
.lrn-guide-panel{
  width:270px;flex-shrink:0;
  border:1px solid var(--lrn-board-bdr);border-radius:14px;
  background:rgba(9,21,37,.95);padding:16px;
  box-shadow:0 20px 50px -10px rgba(0,0,0,.6);
}
.lrn-guide-panel-title{ font-family:var(--display);font-weight:700;font-size:15px;color:var(--text);margin-bottom:10px; }
.lrn-guide-msg{ font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:14px; }
.lrn-guide-loxi{ display:flex;justify-content:center;margin-bottom:12px; }
.lrn-guide-loxi img{ width:110px;filter:drop-shadow(0 4px 16px rgba(24,213,232,.3)); }

/* roadmap cards */
.lrn-roadmap{
  position:relative;
  display:grid;grid-template-columns:repeat(6,1fr);gap:0;
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;
}
.lrn-route-card{
  display:flex;flex-direction:column;padding:22px 18px 20px;
  border-right:1px solid var(--line);
  background:rgba(9,21,37,.6);
  transition:background var(--lrn-t2);
  position:relative;
}
.lrn-route-card:last-child{ border-right:0; }
.lrn-route-card:hover{ background:rgba(46,123,255,.05); }
.lrn-route-n{
  font-family:var(--mono);font-weight:700;font-size:22px;
  color:rgba(46,123,255,.3);line-height:1;margin-bottom:12px;
}
.lrn-route-ico{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:14px;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-route-ico svg{ width:22px;height:22px; }
.lrn-route-title{ font-family:var(--display);font-weight:700;font-size:15px;color:var(--text);line-height:1.25;margin-bottom:8px; }
.lrn-route-desc{ font-size:12.5px;color:var(--muted);line-height:1.5;flex:1; }
.lrn-route-lvl{ margin-top:16px; }

/* connector arrow between cards */
.lrn-route-arrow{
  position:absolute;right:-12px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;z-index:2;
  background:var(--bg);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-route-arrow svg{ width:12px;height:12px; }

/* timeline connector below cards */
.lrn-roadmap-timeline{
  display:flex;align-items:center;
  padding:12px 24px;
  border-top:1px solid var(--line);
  background:rgba(4,10,22,.4);
}
.lrn-rt-line{ flex:1;height:2px;background:linear-gradient(90deg,rgba(46,123,255,.4),rgba(24,213,232,.6));box-shadow:0 0 6px rgba(24,213,232,.2); }
.lrn-rt-dot{ width:10px;height:10px;border-radius:50%;background:var(--lrn-blue-p);border:2px solid rgba(46,123,255,.4);flex-shrink:0; }
.lrn-rt-label{ font-family:var(--mono);font-size:10px;color:var(--dim);padding:0 12px; }

/* complete route stats + CTA */
.lrn-s05-bottom{
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
  margin-top:24px;padding-top:24px;border-top:1px solid var(--line);
  flex-wrap:wrap;
}
.lrn-s05-stats{ display:flex;gap:28px;flex-wrap:wrap; }
.lrn-s05-stat{ display:flex;align-items:center;gap:12px; }
.lrn-s05-stat-ico{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--blue-soft);border:1px solid var(--line-blue);color:var(--blue-2);
}
.lrn-s05-stat-ico svg{ width:22px;height:22px; }
.lrn-s05-stat-v{ font-family:var(--display);font-weight:700;font-size:26px;color:var(--lrn-blue-p);line-height:1; }
.lrn-s05-stat-l{ font-family:var(--body);font-weight:600;font-size:13px;color:var(--text); }
.lrn-s05-stat-s{ font-size:12px;color:var(--muted);margin-top:2px; }
.lrn-s05-ctas{ display:flex;flex-direction:column;gap:8px;align-items:flex-end; }
.lrn-s05-ctas .btn{ min-width:180px;justify-content:space-between; }

/* bottom strip */
.lrn-bottom-strip{
  display:flex;align-items:center;justify-content:center;gap:0;
  flex-wrap:wrap;
  background:rgba(4,10,22,.8);
  border-top:1px solid var(--line);
  padding:14px 0;margin-top:40px;
}
.lrn-strip-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 20px;
  font-size:13px;color:var(--muted);
  border-right:1px solid var(--line);
}
.lrn-strip-item:last-child{ border-right:0; }
.lrn-strip-item svg{ width:16px;height:16px;color:var(--blue-2); }

/* ─── SVG Ladder styles (referenced from inline SVG) ────── */
.ld-rail{ stroke:#28E0C8;stroke-width:2.5;fill:none; }
.ld-wire{ stroke:#28E0C8;stroke-width:2;fill:none; }
.ld-cnt{ stroke:#59A5FF;stroke-width:2;fill:none; }
.ld-cnt-nc{ stroke:#59A5FF;stroke-width:2;fill:none; }
.ld-cnt-seal{ stroke:#32D889;stroke-width:2;fill:none; }
.ld-coil{ stroke:#32D889;stroke-width:2.5;fill:none; }
.ld-coil-dim{ stroke:rgba(50,216,137,.2);stroke-width:1.5;fill:none; }
.ld-junc{ fill:#28E0C8; }

/* TON block */
.ld-ton-rect{ fill:rgba(9,21,37,.96);stroke:#2E7BFF;stroke-width:1.5; }
.ld-ton-hdr{ fill:rgba(6,14,28,.9); }
.ld-ton-line{ stroke:rgba(46,123,255,.25);stroke-width:1; }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media(max-width:1200px){
  .lrn-hero-grid{ grid-template-columns:22fr 56fr 22fr; }
  .lrn-s02-grid{ grid-template-columns:22fr 56fr 22fr; }
  .lrn-s03-grid{ grid-template-columns:22fr 56fr 22fr; }
  .lrn-s04-grid{ grid-template-columns:22fr 27fr 27fr 24fr; }
  .lrn-roadmap{ grid-template-columns:repeat(3,1fr); }
  .lrn-route-card:nth-child(3){ border-right:0; }
  .lrn-route-card:nth-child(4){ border-right:1px solid var(--line); }
}

@media(max-width:992px){
  /* Ocultar Loxi col en tablet, pasa a 2 columnas */
  .lrn-hero-grid .lrn-loxi-col,
  .lrn-s02-grid .lrn-loxi-col,
  .lrn-s03-grid .lrn-loxi-col{ display:none; }
  .lrn-hero-grid{ grid-template-columns:26fr 74fr; }
  .lrn-s02-grid{ grid-template-columns:26fr 74fr; }
  .lrn-s03-grid{ grid-template-columns:24fr 76fr; }
  .lrn-s04-grid{ grid-template-columns:1fr 1fr; }
  .lrn-s04-grid > *:nth-child(n+3){ grid-column:1 / -1; }
  .lrn-pflow{ grid-template-columns:repeat(3,1fr); }
  .lrn-roadmap{ grid-template-columns:repeat(2,1fr); }
  .lrn-s02-bottom{ grid-template-columns:1fr 1fr; }
  .lrn-filter-panel{ grid-column:1 / -1; }
}

@media(max-width:768px){
  .lrn-sec{ padding:60px 0 56px; }
  .lrn-hero-grid{ grid-template-columns:1fr; }
  .lrn-hero-grid .lrn-loxi-col{ display:none; }
  .lrn-s02-grid{ grid-template-columns:1fr; }
  .lrn-s03-grid{ grid-template-columns:1fr; }
  .lrn-s04-grid{ grid-template-columns:1fr; }
  .lrn-pflow{ grid-template-columns:1fr 1fr; }
  .lrn-roadmap{ grid-template-columns:1fr 1fr; }
  .lrn-route-card:nth-child(odd){ border-right:1px solid var(--line); }
  .lrn-route-card:nth-child(even){ border-right:0; }
  .lrn-method-steps{ gap:0;flex-direction:column; }
  .lrn-mstep:not(:last-child)::after{ display:none; }
  .lrn-statsbar{ flex-direction:column; }
  .lrn-statsbar-item{ border-right:0;border-bottom:1px solid var(--line); }
  .lrn-s05-bottom{ grid-template-columns:1fr; }
  .lrn-s05-stats{ gap:16px; }
  .lrn-s05-ctas{ align-items:stretch; }
  .lrn-s04-flow{ flex-wrap:wrap; }
  .lrn-flow-arrow{ display:none; }
  .lrn-practice-top{ grid-template-columns:1fr; }
  .lrn-explain-row{ grid-template-columns:1fr; }
  .lrn-lesson-meta{ flex-direction:column; }
  .lrn-meta-sep{ display:none; }
  .lrn-s02-bottom{ grid-template-columns:1fr; }
  .lrn-filter-panel{ width:100%; }
}

@media(max-width:480px){
  .lrn-roadmap{ grid-template-columns:1fr; }
  .lrn-route-card{ border-right:0 !important;border-bottom:1px solid var(--line); }
  .lrn-pflow{ grid-template-columns:1fr; }
  .lrn-s05-stats{ flex-direction:column; }
  .lrn-bottom-strip{ flex-direction:column;align-items:flex-start;padding:10px 20px; }
  .lrn-strip-item{ border-right:0;padding:6px 0; }
}

/* Override inline grid on method section for mobile/tablet */
@media(max-width:992px){
  .lrn-method[style]{ grid-template-columns:1fr !important; }
}
@media(max-width:768px){
  .lrn-method[style]{ display:block !important; }
  .lrn-method[style] > *:first-child{ margin-bottom:18px; }
}