/* ============================================================
   ADIA — Academia para el Desarrollo de la Inteligencia Artificial
   Sistema de diseño compartido · estética SENTINEL (dark + green)
   ============================================================ */

:root{
  --bg:        hsl(0 0% 8%);
  --bg-2:      hsl(0 0% 6%);
  --surface:   hsl(0 0% 11%);
  --surface-2: hsl(0 0% 10%);
  --border:    hsl(0 0% 16%);
  --border-2:  hsl(0 0% 14%);
  --text:      hsl(0 0% 96%);
  --muted:     hsl(0 0% 60%);
  --dim:       hsl(0 0% 54%); /* a11y: subido de 45% a 54% para pasar WCAG AA (>=4.5:1) */
  --green:     hsl(119 99% 46%);
  --green-ink: hsl(0 0% 4%);
  --maxw: 1180px;
  --radius: 14px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:"Sora",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  overflow-x:hidden;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }
h1,h2,h3,h4{ letter-spacing:-0.03em; line-height:1.08; margin:0; font-weight:700; }

/* ---------- Animations ---------- */
@keyframes fade-up{ 0%{opacity:0; transform:translateY(22px); filter:blur(4px);} 100%{opacity:1; transform:translateY(0); filter:blur(0);} }
@keyframes fade-in{ 0%{opacity:0;} 100%{opacity:1;} }
.reveal{ opacity:0; }
.reveal.in{ animation:fade-up .7s cubic-bezier(.16,1,.3,1) forwards; }

/* ---------- Layout ---------- */
.container{ max-width:var(--maxw); margin:0 auto; padding:0 32px; }
.section{ padding:90px 0; }
.section-sm{ padding:56px 0; }
.eyebrow{ color:var(--green); font-size:13px; text-transform:uppercase; letter-spacing:.22em; margin:0 0 18px; font-weight:600; }
.lead{ color:var(--muted); font-weight:300; font-size:clamp(1rem,2vw,1.25rem); }
.center{ text-align:center; }
.muted{ color:var(--muted); }
.green{ color:var(--green); }

/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:60;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:16px 32px;
  background:hsla(0,0%,6%,.78); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-2);
}
.brand{ font-size:21px; font-weight:700; letter-spacing:-0.02em; color:var(--text); display:inline-flex; align-items:center; gap:10px; }
.brand-logo{ height:38px; width:38px; border-radius:50%; object-fit:cover; display:block; }
.footer-brand .brand-logo{ height:44px; width:44px; }
.nav-links{ display:flex; gap:26px; align-items:center; flex-wrap:wrap; }
.nav-links a{
  font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.16em;
  transition:color .2s; white-space:nowrap;
}
.nav-links a:hover{ color:var(--text); }
.nav-links a.active{ color:var(--green); }
.nav-toggle{ display:none; background:none; border:none; color:var(--text); font-size:24px; cursor:pointer; }

/* ---------- Buttons ---------- */
.btn{ display:inline-block; border:none; cursor:pointer; font-family:inherit; font-weight:600;
  font-size:14px; padding:14px 26px; border-radius:8px; transition:all .2s; text-align:center; }
.btn-primary{ background:var(--green); color:var(--green-ink); font-weight:700; }
.btn-primary:hover{ filter:brightness(1.1); }
.btn-light{ background:#fff; color:hsl(0 0% 10%); font-weight:700; }
.btn-light:hover{ filter:brightness(.92); }
.btn-ghost{ background:hsl(0 0% 16%); color:var(--text); }
.btn-ghost:hover{ background:hsl(0 0% 22%); }
.btn-cta{ background:hsl(0 0% 16%); color:var(--text); border-radius:8px; text-transform:uppercase;
  font-size:11px; letter-spacing:.16em; padding:11px 20px; font-weight:600; transition:all .2s; white-space:nowrap; }
.btn-cta:hover{ background:var(--green); color:var(--green-ink); }
.btn-row{ display:flex; flex-wrap:wrap; gap:12px; }

/* ---------- Book banner (top strip) ---------- */
.book-strip{
  background:linear-gradient(90deg, hsl(0 0% 11%), hsl(0 0% 9%));
  border-bottom:1px solid var(--border-2);
  padding:12px 32px; display:flex; gap:14px; align-items:center; justify-content:center;
  flex-wrap:wrap; font-size:13.5px; color:var(--muted);
}
.book-strip strong{ color:var(--text); font-weight:600; }
.book-strip .tag{ color:var(--green); font-weight:600; text-transform:uppercase; letter-spacing:.14em; font-size:11px; }
.book-strip a{ color:var(--green); font-weight:600; white-space:nowrap; }

/* ---------- Hero ---------- */
.hero{ position:relative; min-height:92vh; display:flex; align-items:flex-end; overflow:hidden; background:var(--bg); }
.hero-bg{ position:absolute; inset:0; touch-action:pan-y;
  /* Fallback on-brand si el 3D de Spline no carga (file://, sin WebGL, conexion lenta).
     El spline-viewer, al renderizar, lo cubre; si falla, se ve este fondo en vez de negro. */
  background:
    radial-gradient(55% 75% at 85% 6%, hsla(119,99%,46%,.18), transparent 60%),
    radial-gradient(50% 60% at 0% 100%, hsla(119,70%,32%,.14), transparent 62%),
    linear-gradient(180deg, hsl(0 0% 10%), hsl(0 0% 8%)); }
.hero-bg spline-viewer,.hero-bg canvas{ width:100%; height:100%; display:block; }
.hero-overlay{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(0,0,0,.25), rgba(20,20,20,.55) 70%, var(--bg)); z-index:1; pointer-events:none; }
.hero-inner{ position:relative; z-index:10; max-width:820px; padding:120px 32px 64px; pointer-events:none; }
.hero-inner a,.hero-inner button{ pointer-events:auto; }
.hero h1{ font-size:clamp(2.6rem,7vw,5.2rem); margin:0 0 18px; text-transform:none; }
.hero .sub{ font-size:clamp(1.15rem,2.6vw,1.9rem); font-weight:300; color:rgba(245,245,245,.9); margin:0 0 16px; }
.hero p.desc{ color:var(--muted); font-weight:300; font-size:clamp(.95rem,1.6vw,1.15rem); max-width:640px; margin:0 0 28px; }
.hero .micro{ color:rgba(160,160,160,.7); font-size:12px; font-weight:300; margin-top:22px; }

/* ---------- Generic grids & cards ---------- */
.grid{ display:grid; gap:20px; }
.grid-2{ grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); }
.grid-3{ grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); }
.grid-4{ grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }
.card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px; transition:border-color .2s, transform .2s; }
.card:hover{ border-color:var(--green); transform:translateY(-3px); }
.card .kicker{ font-size:11px; color:var(--green); letter-spacing:.18em; text-transform:uppercase; margin-bottom:14px; font-weight:600; }
.card h3{ font-size:21px; margin:0 0 10px; }
.card p{ color:var(--muted); font-weight:300; font-size:15px; margin:0 0 16px; }
.card .meta{ color:var(--text); font-size:13px; font-weight:500; }
.card-icon{ font-size:26px; margin-bottom:14px; }

/* feature list with check marks */
.checklist{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:11px; }
.checklist li{ color:var(--muted); font-weight:300; font-size:14.5px; padding-left:26px; position:relative; }
.checklist li::before{ content:"✓"; color:var(--green); position:absolute; left:0; font-weight:700; }
.bullets{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.bullets li{ color:var(--muted); font-weight:300; font-size:14.5px; padding-left:18px; position:relative; }
.bullets li::before{ content:"·"; color:var(--green); position:absolute; left:0; font-weight:700; font-size:18px; line-height:1; }

/* ---------- Section header ---------- */
.shead{ max-width:760px; margin-bottom:42px; }
.shead.center{ margin-left:auto; margin-right:auto; }
.shead h2{ font-size:clamp(1.8rem,4vw,2.8rem); margin:0 0 14px; }
.shead p{ color:var(--muted); font-weight:300; font-size:clamp(1rem,2vw,1.15rem); margin:0; }

/* ---------- Page header (interior pages) ---------- */
.page-head{ padding:96px 0 48px; }
.page-head h1{ font-size:clamp(2.3rem,5.5vw,4.2rem); margin:0 0 18px; }
.page-head p{ color:var(--muted); font-weight:300; font-size:clamp(1rem,2vw,1.25rem); max-width:680px; margin:0; }
.chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }
.chip{ font-size:12.5px; color:var(--text); background:var(--surface); border:1px solid var(--border); border-radius:999px; padding:8px 16px; font-weight:400; }

/* ---------- Directivos / people ---------- */
.person{ display:flex; gap:20px; align-items:flex-start; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:28px; }
.person .avatar{ width:64px; height:64px; border-radius:50%; flex:0 0 64px; background:linear-gradient(135deg,var(--green),hsl(160 90% 40%)); display:flex; align-items:center; justify-content:center; font-weight:700; color:var(--green-ink); font-size:22px; }
.person h3{ font-size:18px; margin:0 0 4px; }
.person .role{ color:var(--green); font-size:12.5px; text-transform:uppercase; letter-spacing:.1em; margin:0 0 10px; font-weight:600; }
.person p{ color:var(--muted); font-weight:300; font-size:14px; margin:0; }

/* ---------- Stats ---------- */
.stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.stat{ background:var(--surface-2); padding:36px 28px; }
.stat .num{ font-size:clamp(2rem,4vw,2.9rem); font-weight:700; color:var(--green); letter-spacing:-0.03em; }
.stat .label{ color:var(--muted); font-weight:300; margin-top:6px; font-size:14px; }

/* ---------- Pricing ---------- */
.pricing{ display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); gap:22px; }
.price-card{ background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:36px; display:flex; flex-direction:column; position:relative; }
.price-card.featured{ border-color:var(--green); }
.price-badge{ position:absolute; top:-12px; left:32px; background:var(--green); color:var(--green-ink); font-size:11px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; padding:6px 13px; border-radius:6px; }
.price-card .tier{ font-size:12px; color:var(--green); letter-spacing:.16em; text-transform:uppercase; margin-bottom:10px; font-weight:600; }
.price-card h3{ font-size:22px; margin:0 0 6px; }
.price{ display:flex; align-items:baseline; gap:7px; margin:14px 0 6px; }
.price .amount{ font-size:38px; font-weight:700; letter-spacing:-0.03em; }
.price .unit{ color:var(--muted); font-weight:300; font-size:14px; }
.price-card .note{ color:var(--dim); font-size:13px; margin:0 0 22px; }
.price-card .btn{ margin-top:auto; }

/* ---------- Tables ---------- */
.table-wrap{ overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius); }
table.adia{ width:100%; border-collapse:collapse; min-width:560px; font-size:14.5px; }
table.adia th,table.adia td{ padding:15px 18px; text-align:left; border-bottom:1px solid var(--border-2); }
table.adia thead th{ background:var(--surface-2); color:var(--text); font-weight:600; font-size:13px; text-transform:uppercase; letter-spacing:.04em; }
table.adia td{ color:var(--muted); font-weight:300; }
table.adia tr:last-child td{ border-bottom:none; }
table.adia .yes{ color:var(--green); font-weight:700; }
table.adia .no{ color:var(--dim); }
.table-note{ color:var(--dim); font-size:13px; margin-top:12px; font-weight:300; }

/* ---------- Temario (módulos) ---------- */
.temario{ display:flex; flex-direction:column; gap:14px; }
.modulo{ display:flex; gap:20px; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:22px 24px; transition:border-color .2s; }
.modulo:hover{ border-color:var(--green); }
.modulo .rn{ flex:0 0 auto; color:var(--green); font-weight:700; font-size:15px; min-width:34px; letter-spacing:.05em; }
.modulo h4{ font-size:16px; margin:0 0 6px; font-weight:600; }
.modulo p{ color:var(--muted); font-weight:300; font-size:14px; margin:0; }

/* timeline / ruta */
.ruta{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; }
.ruta .step{ background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:24px; }
.ruta .step .m{ color:var(--green); font-size:12px; text-transform:uppercase; letter-spacing:.12em; font-weight:600; margin-bottom:10px; }
.ruta .step h4{ font-size:16px; margin:0 0 8px; }
.ruta .step p{ color:var(--muted); font-weight:300; font-size:13.5px; margin:0; }

/* ---------- CTA band ---------- */
.cta-band{ background:linear-gradient(135deg,hsl(0 0% 12%),hsl(0 0% 9%)); border:1px solid var(--border); border-radius:20px; padding:52px; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:24px; }
.cta-band h2{ font-size:clamp(1.5rem,3vw,2.2rem); margin:0 0 10px; }
.cta-band p{ color:var(--muted); font-weight:300; margin:0; max-width:520px; }

/* online highlight band */
.online-band{ background:radial-gradient(120% 140% at 0% 0%, hsl(119 60% 12%), hsl(0 0% 9%) 55%); border:1px solid var(--border); border-radius:22px; padding:48px; }
.online-band .tag{ color:var(--green); font-weight:700; text-transform:uppercase; letter-spacing:.14em; font-size:12px; }

/* ---------- Contact / location ---------- */
.contact-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; }
.contact-item .k{ color:var(--dim); font-size:12px; text-transform:uppercase; letter-spacing:.14em; margin-bottom:6px; }
.contact-item .v{ font-size:16px; }
.map-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px; }

/* ---------- Partners ---------- */
.partners{ display:flex; flex-wrap:wrap; gap:18px 40px; align-items:center; justify-content:center; }
.partners .p{ color:var(--muted); font-weight:600; letter-spacing:.04em; opacity:.8; font-size:18px; }
.logos{ display:flex; flex-wrap:wrap; gap:14px 30px; align-items:center; }
.logos .logo{ color:var(--muted); font-weight:500; font-size:15px; opacity:.75; }

/* ---------- Forms ---------- */
.form{ background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:36px; display:flex; flex-direction:column; gap:18px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:13px; color:var(--muted); }
.field input,.field select,.field textarea{ background:var(--bg); border:1px solid hsl(0 0% 20%); border-radius:8px; padding:13px; color:var(--text); font-size:15px; outline:none; font-family:inherit; transition:border-color .2s; }
.field input:focus,.field select:focus,.field textarea:focus{ border-color:var(--green); }
.field textarea{ resize:vertical; }
::placeholder{ color:hsl(0 0% 42%); }

/* ---------- Book / feature split ---------- */
.split{ display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:40px; align-items:center; }
.book-cover{ aspect-ratio:3/4; border-radius:12px; background:linear-gradient(150deg,hsl(0 0% 16%),hsl(0 0% 10%)); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; text-align:center; padding:30px; color:var(--muted); font-weight:300; font-size:14px; overflow:hidden; }
.book-cover img{ width:100%; height:100%; object-fit:contain; border-radius:12px; display:block; }
.photo{ width:64px; height:64px; border-radius:50%; object-fit:cover; flex:0 0 64px; display:block; }
.person .photo{ width:96px; height:96px; flex:0 0 96px; object-position:center top; }
.photo-lg{ width:100%; border-radius:14px; border:1px solid var(--border); display:block; }
.logos img,.partners img{ height:30px; width:auto; object-fit:contain; filter:grayscale(1) brightness(1.7); opacity:.85; }

/* ---------- Lock / descargas ---------- */
.lock-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:30px; }
.lock-card .lh{ display:flex; align-items:center; gap:12px; margin-bottom:8px; }
.lock-card h3{ font-size:18px; }
.lock-card .small{ color:var(--dim); font-size:13px; }

/* ---------- Footer ---------- */
.footer{ border-top:1px solid var(--border-2); padding:56px 0 32px; background:var(--bg-2); }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:36px; }
.footer-brand p{ color:var(--muted); font-weight:300; font-size:14px; max-width:320px; }
.footer-contact{ color:var(--dim) !important; font-size:13px !important; }
.footer h4{ font-size:13px; text-transform:uppercase; letter-spacing:.12em; color:var(--text); margin:0 0 16px; }
.footer-grid a{ display:block; color:var(--muted); font-weight:300; font-size:14px; margin-bottom:10px; transition:color .2s; }
.footer-grid a:hover{ color:var(--green); }
.footer-social{ display:flex; gap:14px; margin-top:14px; }
.footer-social a{ color:var(--muted); font-size:13px; text-transform:uppercase; letter-spacing:.1em; }
.footer-bottom{ border-top:1px solid var(--border-2); margin-top:40px; padding-top:24px; color:var(--dim); font-size:13px; font-weight:300; text-align:center; }

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-toggle{ display:block; }
  .nav-links{ display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; gap:0;
    background:hsla(0,0%,6%,.98); border-bottom:1px solid var(--border); padding:8px 0; }
  .nav.open .nav-links{ display:flex; }
  .nav-links a{ padding:14px 32px; width:100%; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .section{ padding:64px 0; }
  .cta-band,.online-band,.online-band{ padding:32px; }
}
@media (max-width:520px){
  .container{ padding:0 20px; }
  .nav{ padding:14px 20px; }
  .book-strip{ padding:10px 20px; font-size:12.5px; }
  .footer-grid{ grid-template-columns:1fr; }
  .card,.price-card,.form{ padding:24px; }
}

/* ============================================================
   v2 — Páginas interiores con presencia visual
   ============================================================ */

/* Hero interior: malla + glow + (opcional) imagen */
.phero{ position:relative; overflow:hidden; padding:116px 0 76px;
  background:
    radial-gradient(55% 75% at 88% 8%, hsla(119,99%,46%,.12), transparent 60%),
    radial-gradient(50% 60% at -5% 105%, hsla(119,70%,32%,.12), transparent 60%),
    linear-gradient(180deg, hsl(0 0% 9.5%), hsl(0 0% 8%));
  border-bottom:1px solid var(--border-2); }
.phero::before{ content:""; position:absolute; inset:0; pointer-events:none; opacity:.55;
  background-image:linear-gradient(hsla(0,0%,100%,.028) 1px,transparent 1px),linear-gradient(90deg,hsla(0,0%,100%,.028) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(85% 75% at 50% 0%, #000, transparent 78%);
  mask-image:radial-gradient(85% 75% at 50% 0%, #000, transparent 78%); }
.phero .container{ position:relative; z-index:2; }
.phero-grid{ display:grid; grid-template-columns:1.3fr .85fr; gap:52px; align-items:center; }
.phero h1{ font-size:clamp(2.4rem,5.5vw,4rem); margin:0 0 16px; }
.phero .sub{ color:rgba(245,245,245,.85); font-size:clamp(1.1rem,2.2vw,1.5rem); font-weight:300; margin:0 0 18px; }
.phero .lead{ max-width:600px; }
.phero-media{ position:relative; }
.phero-media img{ width:100%; border-radius:18px; border:1px solid var(--border); box-shadow:var(--shadow); display:block; }
.phero-media .glow{ position:absolute; inset:-14% -10% auto auto; width:65%; height:65%; background:radial-gradient(circle,hsla(119,99%,46%,.30),transparent 70%); filter:blur(34px); z-index:-1; }

/* Módulos en tarjetas (temario escaneable) */
.temario-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(330px,1fr)); gap:14px; }
.mod2{ position:relative; background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:24px 24px 24px 66px; transition:border-color .2s, transform .2s; }
.mod2:hover{ border-color:var(--green); transform:translateY(-2px); }
.mod2 .n{ position:absolute; left:22px; top:22px; font-size:21px; font-weight:700; color:var(--green); letter-spacing:-.02em; line-height:1; min-width:30px; }
.mod2 h4{ font-size:16px; margin:0 0 6px; }
.mod2 p{ color:var(--muted); font-weight:300; font-size:14px; margin:0; }

/* Feature tiles con icono */
.feat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:16px; }
.feat{ background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:26px; transition:border-color .2s,transform .2s; }
.feat:hover{ border-color:var(--green); transform:translateY(-2px); }
.feat .ico{ font-size:26px; margin-bottom:12px; display:block; }
.feat h4{ font-size:16px; margin:0 0 8px; }
.feat p{ color:var(--muted); font-weight:300; font-size:14px; margin:0; }

/* Franja de precio destacada */
.pricerow{ display:flex; flex-wrap:wrap; align-items:center; gap:14px 28px; background:linear-gradient(120deg,hsla(119,60%,15%,.55),hsl(0 0% 10%)); border:1px solid var(--border); border-radius:16px; padding:24px 30px; }
.pricerow .big{ font-size:34px; font-weight:700; letter-spacing:-.03em; }
.pricerow .big .unit{ font-size:15px; color:var(--muted); font-weight:300; margin-left:6px; }
.pricerow .meta-s{ color:var(--muted); font-weight:300; }
.pricerow .sep{ color:var(--dim); }

/* Chip para logos con fondo claro (ADIA/ANIA) */
.logo-chip{ background:#fff; padding:9px 14px; border-radius:10px; display:inline-flex; align-items:center; }
.logo-chip img{ height:40px; width:auto; display:block; }

/* Cita / bloque destacado */
.pull{ border-left:3px solid var(--green); padding:6px 0 6px 22px; color:hsl(0 0% 82%); font-weight:300; font-size:clamp(1.05rem,2vw,1.3rem); line-height:1.6; }

@media (max-width:860px){
  .phero{ padding:88px 0 58px; }
  .phero-grid{ grid-template-columns:1fr; gap:30px; }
  .phero-media{ order:-1; max-width:440px; }
}

/* ============================================================
   v3 — Efectos: red neuronal + micro-interacciones
   ============================================================ */
.phero{ overflow:hidden; }
.phero-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:1; pointer-events:none; }

/* Spotlight verde que sigue el cursor en tarjetas */
.card, .feat, .mod2, .price-card{ position:relative; isolation:isolate; }
.card::after, .feat::after, .mod2::after, .price-card::after{
  content:""; position:absolute; inset:0; border-radius:inherit; pointer-events:none; z-index:-1;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), hsla(119,99%,46%,.16), transparent 60%);
  opacity:0; transition:opacity .3s;
}
.card:hover::after, .feat:hover::after, .mod2:hover::after, .price-card:hover::after{ opacity:1; }

/* Shimmer en botones primarios */
.btn-primary{ position:relative; overflow:hidden; }
.btn-primary::after{
  content:""; position:absolute; top:0; left:-160%; width:55%; height:100%;
  background:linear-gradient(120deg, transparent, hsla(0,0%,100%,.35), transparent);
  transform:skewX(-20deg); transition:left .6s ease; pointer-events:none;
}
.btn-primary:hover::after{ left:170%; }

/* Reveal escalonado (cascada) — opt-in por JS */
.js-stagger > *{ opacity:0; transform:translateY(18px); transition:opacity .55s cubic-bezier(.16,1,.3,1), transform .55s cubic-bezier(.16,1,.3,1); }
.js-stagger.revealed > *{ opacity:1; transform:none; }
.js-stagger.revealed > *:nth-child(1){ transition-delay:.04s }
.js-stagger.revealed > *:nth-child(2){ transition-delay:.09s }
.js-stagger.revealed > *:nth-child(3){ transition-delay:.14s }
.js-stagger.revealed > *:nth-child(4){ transition-delay:.19s }
.js-stagger.revealed > *:nth-child(5){ transition-delay:.24s }
.js-stagger.revealed > *:nth-child(6){ transition-delay:.29s }
.js-stagger.revealed > *:nth-child(7){ transition-delay:.34s }
.js-stagger.revealed > *:nth-child(8){ transition-delay:.39s }
.js-stagger.revealed > *:nth-child(n+9){ transition-delay:.44s }

/* ============================================================
   v4 — Glow del hero (home) + sistema de iconos
   ============================================================ */
.cursor-glow{ position:fixed; left:0; top:0; width:460px; height:460px; margin:-230px 0 0 -230px; border-radius:50%;
  pointer-events:none; z-index:9999; mix-blend-mode:screen; opacity:0; transition:opacity .4s ease; will-change:transform;
  background:radial-gradient(circle, hsla(119,99%,46%,.16), hsla(119,99%,46%,.05) 38%, transparent 62%); }
.cursor-glow.on{ opacity:1; }

/* Iconos en chip (tiles .feat / .card) */
.ico{ width:54px; height:54px; border-radius:14px; display:inline-flex; align-items:center; justify-content:center;
  background:hsla(119,99%,46%,.12); border:1px solid hsla(119,99%,46%,.28); color:var(--green); margin-bottom:16px; }
.feat .ico{ width:54px; height:54px; font-size:0; display:inline-flex; margin-bottom:16px; }
.ico svg{ width:27px; height:27px; stroke:var(--green); stroke-width:1.9; fill:none; }
/* Icono en línea (etiquetas: ubicación, pagos, ruta, contacto) */
.ico-inline{ display:inline-flex; align-items:center; justify-content:center; vertical-align:-4px; color:var(--green); margin-right:9px; }
.ico-inline svg{ width:19px; height:19px; stroke:var(--green); stroke-width:1.9; fill:none; }
/* chip de paso/ruta más fuerte */
.ruta .step .m{ display:inline-flex; align-items:center; gap:8px; }

/* ============================================================
   v5 — Accesibilidad (WCAG 2.1 AA): skip-link + foco de teclado
   ============================================================ */
/* Salto al contenido: oculto salvo al recibir foco con teclado */
.skip-link{
  position:absolute; top:0; left:0; z-index:200;
  transform:translateY(-120%);
  background:var(--green); color:var(--green-ink);
  font-family:inherit; font-weight:700; font-size:14px;
  padding:12px 18px; border-radius:0 0 8px 0;
  text-decoration:none; transition:transform .18s ease;
}
.skip-link:focus{ transform:translateY(0); outline:3px solid hsl(0 0% 100% / .9); outline-offset:2px; }

/* Foco visible solo para navegación por teclado (no altera el look del ratón) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid hsl(119 90% 62%);
  outline-offset:2px;
  border-radius:4px;
}

/* ============================================================
   v6 — Botón flotante de WhatsApp (CTA de conversión)
   z-index 990: por debajo del cursor-glow (9999) y del nav,
   pero por encima del contenido. El glow es pointer-events:none,
   así que no tapa el clic del FAB.
   ============================================================ */
.wa-fab{
  position:fixed; right:22px; bottom:22px; z-index:990;
  width:56px; height:56px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  background:var(--green); color:var(--green-ink);
  box-shadow:0 10px 28px -6px rgba(0,0,0,.55), 0 0 0 1px hsla(119,99%,46%,.35);
  transition:transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.wa-fab svg{ width:30px; height:30px; display:block; fill:currentColor; }
.wa-fab:hover{ transform:scale(1.08); filter:brightness(1.06); }
.wa-fab:active{ transform:scale(1.0); }
@media (max-width:520px){
  .wa-fab{ right:16px; bottom:16px; width:52px; height:52px; }
  .wa-fab svg{ width:28px; height:28px; }
}
@media (prefers-reduced-motion:reduce){
  .wa-fab{ transition:none; }
  .wa-fab:hover{ transform:none; }
}
@media print{ .wa-fab{ display:none !important; } }

/* ============================================================
   v4.1 round 2 — breadcrumbs · FAQ · prueba social · ROI · captura de leads
   ============================================================ */

/* Breadcrumbs visibles (espejo del BreadcrumbList del JSON-LD) */
.breadcrumb{ position:relative; z-index:2; }
.breadcrumb ol{ list-style:none; margin:0 0 20px; padding:0; display:flex; flex-wrap:wrap; align-items:center; gap:9px; font-size:13px; }
.breadcrumb li{ display:inline-flex; align-items:center; gap:9px; color:var(--muted); font-weight:300; }
.breadcrumb li+li::before{ content:"›"; color:var(--dim); }
.breadcrumb a{ color:var(--muted); transition:color .2s; }
.breadcrumb a:hover{ color:var(--green); }
.breadcrumb [aria-current="page"]{ color:var(--text); }

/* FAQ — acordeón accesible <details> (contenido = JSON-LD FAQPage) */
.faq{ display:flex; flex-direction:column; gap:12px; max-width:840px; }
.faq details{ background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:2px 24px; transition:border-color .2s; }
.faq details[open]{ border-color:var(--green); }
.faq summary{ list-style:none; cursor:pointer; padding:20px 0; font-weight:600; font-size:16px; color:var(--text); display:flex; align-items:center; justify-content:space-between; gap:18px; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; flex:0 0 auto; color:var(--green); font-size:26px; font-weight:300; line-height:.8; transition:transform .25s ease; }
.faq details[open] summary::after{ transform:rotate(45deg); }
.faq .faq-a{ margin:0; padding:0 0 22px; color:var(--muted); font-weight:300; font-size:15px; line-height:1.65; }

/* Prueba social — testimonios (estructura lista; rellenar con citas reales) */
.testi-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); gap:18px; }
.testi{ margin:0; background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:26px; }
.testi blockquote{ margin:0 0 16px; font-size:15.5px; font-weight:300; line-height:1.6; color:hsl(0 0% 85%); }
.testi figcaption{ display:flex; flex-direction:column; gap:2px; }
.testi .t-name{ font-weight:600; font-size:14px; color:var(--text); }
.testi .t-role{ color:var(--dim); font-size:13px; font-weight:300; }

/* ROI / deducibilidad — badges visibles en precios presenciales */
.roi-badges{ display:flex; flex-wrap:wrap; gap:12px; margin:0 0 24px; }
.roi-badge{ display:inline-flex; align-items:center; gap:9px; background:hsla(119,99%,46%,.10); border:1px solid hsla(119,99%,46%,.30); color:var(--text); border-radius:999px; padding:10px 18px; font-size:14px; font-weight:500; }
.roi-badge strong{ color:var(--green); font-weight:700; }
.roi-badge .ico-inline{ margin-right:0; }

/* Captura de email — lead magnet / avisos (progressive enhancement) */
.lead-form{ display:flex; flex-wrap:wrap; gap:14px; align-items:flex-end; }
.lead-form .field{ flex:1 1 220px; }
.lead-form .btn{ flex:0 0 auto; }
.lead-msg{ flex:1 1 100%; margin:6px 0 0; font-size:13px; color:var(--dim); }
.lead-msg.ok{ color:var(--green); }
.notify-strip{ background:radial-gradient(120% 140% at 0% 0%, hsla(119,60%,12%,.7), hsla(0,0%,10%,.7) 60%); border:1px solid var(--border); border-radius:18px; padding:32px; }
.notify-strip h3{ font-size:clamp(1.2rem,2.4vw,1.5rem); margin:0 0 8px; }
.notify-strip p{ color:var(--muted); font-weight:300; margin:0 0 18px; font-size:14.5px; max-width:560px; }

/* Mini-portada del libro en la franja superior (book-strip) */
.book-strip .book-thumb{ display:inline-flex; flex:0 0 auto; line-height:0; transition:transform .2s ease; }
.book-strip .book-thumb:hover{ transform:translateY(-1px); }
.book-strip .book-thumb img{ height:38px; width:auto; border-radius:3px; border:1px solid var(--border-2); box-shadow:0 2px 8px rgba(0,0,0,.45); display:block; }
@media (max-width:520px){ .book-strip .book-thumb img{ height:32px; } }