/* ═══════════════════════════════════════════════════
   Adminbooks Escuelas — Landing Page
   Conexia Web & Apps
   ═══════════════════════════════════════════════════ */

/* ── Tokens ───────────────────────────────────────── */
:root{
  --bg:          #070c18;
  --bg-2:        #0f172a;
  --bg-3:        #131f3a;
  --surface:     rgba(255,255,255,.045);
  --surface-2:   rgba(255,255,255,.07);
  --line:        rgba(148,163,184,.16);
  --line-strong: rgba(148,163,184,.28);

  --brand:   #0a4d80;   /* azul del logotipo */
  --brand-2: #0e6fb0;
  --sky:     #38bdf8;
  --cyan:    #22d3ee;
  --emerald: #10b981;
  --red:     #ef3b2d;   /* punto del logotipo */
  --amber:   #fbbf24;

  --text:  #e8eefb;
  --muted: #9aa8bf;
  --dim:   #6f7f99;

  --radius:   16px;
  --radius-lg:22px;
  --shadow:   0 20px 45px -20px rgba(0,0,0,.75);
  --shadow-lg:0 40px 80px -30px rgba(0,0,0,.85);

  --grad:      linear-gradient(135deg,#0e6fb0 0%,#22a7e8 45%,#38bdf8 100%);
  --grad-text: linear-gradient(100deg,#38bdf8 0%,#22d3ee 55%,#7dd3fc 100%);

  --maxw: 1180px;
  --topbar-h: 44px;
  --nav-h: 68px;
}

/* ── Reset ────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 18px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{background:rgba(56,189,248,.3)}

.only-mobile{display:none}
@media (max-width:680px){
  .only-desktop{display:none}
  .only-mobile{display:inline}
}

/* ── Layout ───────────────────────────────────────── */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px}
.container--narrow{max-width:820px}

.section{padding:86px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:
  radial-gradient(90% 60% at 50% 0%,rgba(14,111,176,.12),transparent 70%),
  var(--bg-2);
  border-block:1px solid var(--line)}

.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

/* ── Tipografía ───────────────────────────────────── */
h1,h2,h3{line-height:1.14;letter-spacing:-.022em;font-weight:800}
h1{font-size:clamp(2.05rem,4.4vw,3.35rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.16rem;letter-spacing:-.015em}

.hl{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}

.eyebrow{
  display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sky);margin-bottom:12px;
}
.sechead{margin-bottom:46px}
.sechead--center{text-align:center;max-width:760px;margin-inline:auto}
.sechead__sub{color:var(--muted);margin-top:14px;font-size:1.03rem}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.32);
  color:#bae6fd;font-size:.8rem;font-weight:700;letter-spacing:.01em;
}
.badge--light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}

/* ── Botones ──────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  font-weight:800;font-size:.95rem;letter-spacing:.01em;
  cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--grad);color:#04121f;box-shadow:0 12px 30px -12px rgba(56,189,248,.75)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px -14px rgba(56,189,248,.9)}
.btn--glow{position:relative;animation:pulseGlow 2.8s ease-in-out infinite}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 12px 30px -12px rgba(56,189,248,.6)}
  50%    {box-shadow:0 12px 40px -8px rgba(56,189,248,1)}
}
.btn--ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--wa{background:#25d366;color:#042313}
.btn--wa:hover{background:#1fbe5a;transform:translateY(-2px)}
.btn--block{display:flex;width:100%}
.btn--sm{padding:10px 18px;font-size:.86rem;border-radius:10px}
.btn--lg{padding:17px 34px;font-size:1.02rem}
@media (prefers-reduced-motion:reduce){
  .btn,.btn--glow{transition:none;animation:none}
  .btn:hover{transform:none}
}

/* ── Top bar ──────────────────────────────────────── */
.topbar{
  position:relative;z-index:60;
  background:linear-gradient(90deg,#0a4d80 0%,#0e6fb0 40%,#22a7e8 100%);
  color:#fff;font-size:.87rem;
}
.topbar__inner{
  max-width:var(--maxw);margin-inline:auto;padding:9px 22px;
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;text-align:center;
}
.topbar p{margin:0}
.topbar__price{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:6px;white-space:nowrap}
.topbar__bolt{animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.45}}
.topbar__link{
  font-weight:800;border-bottom:1px solid rgba(255,255,255,.55);white-space:nowrap;
}
.topbar__link:hover{border-color:#fff}

/* ── Navbar ───────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(7,12,24,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.nav.is-stuck{border-bottom-color:var(--line);background:rgba(7,12,24,.92)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.nav__logo{display:flex;align-items:center;gap:9px}
.nav__logo img{width:150px;height:auto}
.nav__sub{
  font-size:.66rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;
  color:var(--sky);padding:3px 8px;border:1px solid rgba(56,189,248,.35);border-radius:6px;
}
.nav__links{display:flex;align-items:center;gap:26px}
.nav__links a:not(.btn){font-size:.92rem;font-weight:600;color:var(--muted);transition:color .2s}
.nav__links a:not(.btn):hover{color:#fff}

.nav__burger{
  display:none;background:none;border:0;cursor:pointer;padding:8px;
  flex-direction:column;gap:5px;
}
.nav__burger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Hero ─────────────────────────────────────────── */
.hero{position:relative;padding:64px 0 74px;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,24,.86) 0%,rgba(7,12,24,.93) 45%,var(--bg) 100%),
    url("../img/hero-classroom.jpg") center/cover no-repeat;
}
.hero__glow{
  position:absolute;top:-220px;right:-160px;width:720px;height:720px;pointer-events:none;
  background:radial-gradient(circle,rgba(34,167,232,.28) 0%,transparent 62%);
  filter:blur(20px);
}
.hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;
  column-gap:52px;row-gap:26px;align-items:start;
}
.hero__copy   {grid-column:1;grid-row:1}
.hero__bullets{grid-column:1;grid-row:2}
.hero__form   {grid-column:2;grid-row:1 / span 2}
.hero__copy h1{margin:18px 0 18px}
.hero__sub{color:#c3cfe2;font-size:1.06rem;max-width:56ch}
.hero__sub strong{color:#fff;font-weight:700}

.checks{margin:0 0 26px;display:grid;gap:13px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem;color:#cdd8ea}
.checks strong{color:#fff}
.check{
  flex:none;width:22px;height:22px;padding:4px;border-radius:7px;
  background:rgba(16,185,129,.16);border:1px solid rgba(16,185,129,.4);
  stroke:var(--emerald);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;
}

.proof{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.proof p{font-size:.9rem;color:var(--muted);margin:0}
.proof strong{color:#dce6f5}
.proof__avatars{display:flex}
.proof__avatars span{
  width:38px;height:38px;border-radius:50%;margin-right:-11px;
  display:grid;place-items:center;font-size:.73rem;font-weight:800;letter-spacing:.02em;
  color:#eaf6ff;border:2px solid var(--bg);
  background:linear-gradient(140deg,#0a4d80,#1c86c6);
}
.proof__avatars span:nth-child(2){background:linear-gradient(140deg,#0e6fb0,#38bdf8)}
.proof__avatars span:nth-child(3){background:linear-gradient(140deg,#155e75,#22d3ee)}
.proof__avatars span:nth-child(4){background:linear-gradient(140deg,#1e3a5f,#64748b)}

/* ── Formulario ───────────────────────────────────── */
.formcard{
  position:relative;
  background:linear-gradient(165deg,rgba(20,32,58,.96),rgba(10,17,33,.98));
  border:1px solid rgba(56,189,248,.24);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-lg);
}
.formcard::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;
  background:linear-gradient(140deg,rgba(56,189,248,.55),transparent 45%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.formcard__head{margin-bottom:20px}
.formcard__head h2{font-size:1.42rem}
.formcard__head p{color:var(--muted);font-size:.92rem;margin-top:7px}

.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:700;color:#c8d4e6;margin-bottom:6px}
.field input,.field select{
  width:100%;padding:13px 14px;border-radius:11px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  color:var(--text);font-size:.95rem;
  transition:border-color .18s,box-shadow .18s,background .18s;
  appearance:none;-webkit-appearance:none;
}
.field input::placeholder{color:var(--dim)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--sky);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.field select{cursor:pointer}
.field select option{background:#0f172a;color:var(--text)}

.select-wrap{position:relative}
.select-wrap svg{
  position:absolute;right:13px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--muted);stroke-width:2;fill:none;
  stroke-linecap:round;stroke-linejoin:round;pointer-events:none;
}

.error{display:none;color:#fca5a5;font-size:.78rem;margin-top:5px}
.field.is-invalid input,.field.is-invalid select{border-color:#f87171;box-shadow:0 0 0 3px rgba(248,113,113,.14)}
.field.is-invalid .error{display:block}

.privacy{
  display:flex;align-items:flex-start;gap:8px;justify-content:center;
  margin-top:14px;font-size:.78rem;color:var(--dim);text-align:left;
}
.privacy svg{width:15px;height:15px;flex:none;margin-top:2px;stroke:var(--emerald);stroke-width:2;fill:none;stroke-linejoin:round}

.formcard__done{text-align:center;padding:16px 4px}
.formcard__doneicon{
  width:62px;height:62px;margin:0 auto 16px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(16,185,129,.14);border:1px solid rgba(16,185,129,.45);
}
.formcard__doneicon svg{width:30px;height:30px;stroke:var(--emerald);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}
.formcard__done h3{font-size:1.3rem;margin-bottom:9px}
.formcard__done p{color:var(--muted);font-size:.93rem;margin-bottom:18px}

/* ── Trust bar ────────────────────────────────────── */
.trustbar{
  position:relative;z-index:2;
  margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.trustbar li{
  background:rgba(15,23,42,.85);padding:18px 20px;
  font-size:.88rem;color:var(--muted);text-align:center;
}
.trustbar strong{display:block;color:#fff;font-size:1rem;margin-bottom:2px}

/* ── Dolores ──────────────────────────────────────── */
.pain{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:transform .25s ease,border-color .25s ease;
}
.pain:hover{transform:translateY(-4px);border-color:rgba(239,59,45,.4)}
.pain__icon{font-size:1.6rem;margin-bottom:12px}
.pain h3{font-size:1.02rem;margin-bottom:8px}
.pain p{color:var(--muted);font-size:.9rem}

/* ── Pilares ──────────────────────────────────────── */
.pillar{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.pillar:hover{transform:translateY(-6px);border-color:rgba(56,189,248,.42);box-shadow:var(--shadow)}
.pillar--accent{border-color:rgba(56,189,248,.34);box-shadow:0 0 0 1px rgba(56,189,248,.1),var(--shadow)}
.pillar__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.pillar__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.pillar:hover .pillar__media img{transform:scale(1.06)}
.pillar__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.15),rgba(15,23,42,.92));
}
.pillar__tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  padding:6px 13px;border-radius:999px;font-size:.76rem;font-weight:800;
  background:rgba(7,12,24,.75);border:1px solid rgba(56,189,248,.4);color:#bae6fd;
  backdrop-filter:blur(6px);
}
.pillar__body{padding:22px}
.pillar__body h3{margin-bottom:16px;font-size:1.18rem}

.ticks{display:grid;gap:11px}
.ticks li{
  position:relative;padding-left:26px;font-size:.91rem;color:var(--muted);line-height:1.55;
}
.ticks li::before{
  content:"";position:absolute;left:0;top:.42em;width:15px;height:15px;border-radius:5px;
  background:rgba(56,189,248,.14);
  border:1px solid rgba(56,189,248,.4);
}
.ticks li::after{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:3px;
  border-left:2px solid var(--sky);border-bottom:2px solid var(--sky);
  transform:rotate(-45deg);
}
.ticks strong{color:#e6eefb;font-weight:700}
.ticks--inline{margin-top:16px;gap:8px}

/* ── Add-ons ──────────────────────────────────────── */
.addon{
  display:grid;grid-template-columns:190px 1fr;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:border-color .25s ease,transform .25s ease;
}
.addon:hover{border-color:rgba(56,189,248,.4);transform:translateY(-4px)}
.addon__media{position:relative}
.addon__media img{width:100%;height:100%;object-fit:cover;min-height:210px}
.addon__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,77,128,.4),rgba(15,23,42,.9));
}
.addon__body{padding:24px}
.addon__pill{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.05em;
  color:#7dd3fc;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);
  padding:4px 11px;border-radius:999px;margin-bottom:11px;
}
.addon__body h3{font-size:1.2rem;margin-bottom:12px}
.addon__body p{color:var(--muted);font-size:.93rem}
.addon__body strong{color:#e6eefb}

/* Diferenciador destacado dentro de una tarjeta de add-on */
.addon__highlight{
  display:flex;align-items:flex-start;gap:11px;
  margin-bottom:14px;padding:12px 14px;border-radius:12px;
  background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.3);
  font-size:.89rem;line-height:1.5;color:#cfe3f5;
}
.addon__highlight strong{color:#fff}
.addon__highlight-ico{flex:none;font-size:1.05rem;line-height:1.3}

/* ── Precios ──────────────────────────────────────── */
.prices{align-items:stretch}
.price{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;position:relative;
}
.price h3{font-size:1.05rem;color:var(--muted);font-weight:700;letter-spacing:0}
.price__amount{
  font-size:2.65rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;margin:12px 0 4px;
  color:#fff;
}
.price__cur{font-size:1.4rem;vertical-align:.42em;color:var(--sky);font-weight:700}
.price__to{font-size:1.1rem;color:var(--muted);font-weight:600;margin-inline:2px}
.price__unit{font-size:1rem;color:var(--muted);font-weight:700}
.price__note{color:var(--muted);font-size:.88rem;margin-bottom:20px}
.price .ticks{margin-bottom:18px}
.price__rule{
  font-size:.85rem;color:#a9b8ce;background:rgba(255,255,255,.04);
  border-left:3px solid var(--sky);padding:10px 13px;border-radius:0 9px 9px 0;margin-bottom:18px;
}
.price__promo{
  margin-top:auto;display:inline-block;font-size:.8rem;font-weight:800;
  color:#fde68a;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.32);
  padding:7px 13px;border-radius:9px;text-align:center;
}
.price .btn{margin-top:auto}

.price--featured{
  background:linear-gradient(170deg,rgba(14,111,176,.24),rgba(15,23,42,.85));
  border-color:rgba(56,189,248,.5);
  box-shadow:0 0 0 1px rgba(56,189,248,.14),0 30px 60px -30px rgba(56,189,248,.5);
  transform:scale(1.028);
}
.price__ribbon{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#04121f;font-size:.74rem;font-weight:900;
  letter-spacing:.08em;text-transform:uppercase;padding:6px 16px;border-radius:999px;
  white-space:nowrap;box-shadow:0 8px 20px -8px rgba(56,189,248,.8);
}
.price--guarantee{border-color:rgba(16,185,129,.34)}
.price--guarantee .price__cur{color:var(--emerald)}
.price--guarantee .price__rule{border-left-color:var(--emerald)}

/* ── Banda de precio ──────────────────────────────── */
.priceband{
  display:flex;align-items:center;justify-content:space-between;gap:38px;
  padding:32px 38px;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(14,111,176,.24),rgba(15,23,42,.9));
  border:1px solid rgba(56,189,248,.34);
  box-shadow:0 0 0 1px rgba(56,189,248,.1),var(--shadow);
}
.priceband__copy{flex:1;min-width:0}
.priceband .eyebrow{margin-bottom:8px}
.priceband__amount{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;
  font-size:1.15rem;font-weight:700;color:#cfdcee;letter-spacing:-.01em;
}
.priceband__cur{font-size:1.5rem;color:var(--sky);font-weight:700;margin-left:4px}
.priceband__num{
  font-size:3rem;font-weight:800;letter-spacing:-.035em;line-height:1;
  color:#fff;font-variant-numeric:tabular-nums;
}
.priceband__unit{font-size:1rem;font-weight:600;color:var(--muted)}
.priceband__unit sup,.priceband__note sup{color:var(--sky);font-weight:800}
.priceband__note{
  margin-top:14px;max-width:62ch;
  font-size:.83rem;line-height:1.55;color:var(--dim);
}
.priceband__action{
  flex:none;display:flex;flex-direction:column;align-items:stretch;gap:9px;text-align:center;
}
.priceband__mini{font-size:.78rem;color:var(--dim)}

/* ── Calculadora ──────────────────────────────────── */
.calc{
  margin-top:46px;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(20,32,58,.9),rgba(10,17,33,.95));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.calc__head{padding:26px 30px 0;text-align:center}
.calc__head h3{font-size:1.35rem}
.calc__head p{color:var(--muted);font-size:.92rem;margin-top:7px}
.calc__body{
  display:grid;grid-template-columns:1.1fr .9fr;gap:34px;
  padding:26px 30px 8px;align-items:start;
}
.calc__control label{display:block;font-size:.95rem;font-weight:700;margin-bottom:14px}
.calc__scale{display:flex;justify-content:space-between;margin-top:10px;font-size:.74rem;color:var(--dim)}

/* Campo numérico con botones − / + */
.stepper{
  display:flex;align-items:center;gap:10px;margin-bottom:22px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  border-radius:13px;padding:7px 9px;max-width:330px;
  transition:border-color .18s,box-shadow .18s;
}
.stepper:focus-within{border-color:var(--sky);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.stepper__btn{
  flex:none;width:36px;height:36px;border-radius:9px;cursor:pointer;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.32);
  color:var(--sky);font-size:1.25rem;font-weight:700;line-height:1;
  display:grid;place-items:center;transition:background .18s,transform .12s;
}
.stepper__btn:hover{background:rgba(56,189,248,.24)}
.stepper__btn:active{transform:scale(.93)}
.stepper input{
  flex:1;min-width:0;width:100%;border:0;background:transparent;padding:0;
  font-size:1.5rem;font-weight:800;letter-spacing:-.02em;text-align:center;
  color:#fff;font-variant-numeric:tabular-nums;
}
.stepper input:focus{outline:none}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.stepper input[type=number]{-moz-appearance:textfield;appearance:textfield}
.stepper__unit{flex:none;font-size:.82rem;color:var(--muted);font-weight:600}

/* Tabla de escalones */
.tiers{width:100%;border-collapse:collapse;margin-top:24px;font-size:.85rem}
.tiers caption{
  text-align:left;font-size:.72rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sky);padding-bottom:10px;
}
.tiers th{
  text-align:left;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;
  color:var(--dim);font-weight:700;padding:0 12px 8px 0;
}
.tiers th:last-child,.tiers td:last-child{text-align:right;padding-right:0}
.tiers td{
  padding:8px 12px 8px 0;color:var(--muted);border-top:1px solid var(--line);
  font-variant-numeric:tabular-nums;transition:color .2s;
}
.tiers tr.is-active td{color:#fff;font-weight:800}
.tiers tr.is-active td:first-child{position:relative;padding-left:14px}
.tiers tr.is-active td:first-child::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:16px;border-radius:2px;background:var(--sky);
}
.tiers tr.is-active td:last-child{color:var(--sky)}

/* Desglose del resultado */
.calc__breakdown{display:grid;gap:1px;margin:16px 0 18px;text-align:left}
.calc__breakdown > div{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:9px 0;border-top:1px solid rgba(148,163,184,.14);
}
.calc__breakdown dt{font-size:.85rem;color:var(--muted)}
.calc__breakdown dt span{color:var(--dim);font-size:.78rem}
.calc__breakdown dd{
  margin:0;font-size:.92rem;font-weight:700;color:#dfeaf9;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.calc__breakdown .is-strong dt{color:#dfeaf9;font-weight:700}
.calc__breakdown .is-strong dd{color:var(--sky);font-size:1.02rem;font-weight:800}

input[type=range]{
  width:100%;appearance:none;-webkit-appearance:none;background:transparent;cursor:pointer;
}
input[type=range]::-webkit-slider-runnable-track{
  height:8px;border-radius:99px;
  background:linear-gradient(90deg,var(--sky) var(--pct,20%),rgba(148,163,184,.2) var(--pct,20%));
}
input[type=range]::-moz-range-track{height:8px;border-radius:99px;background:rgba(148,163,184,.2)}
input[type=range]::-moz-range-progress{height:8px;border-radius:99px;background:var(--sky)}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:24px;height:24px;margin-top:-8px;border-radius:50%;
  background:#fff;border:4px solid var(--sky);box-shadow:0 4px 14px rgba(56,189,248,.6);
}
input[type=range]::-moz-range-thumb{
  width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--sky);
}
input[type=range]:focus-visible{outline:2px solid var(--sky);outline-offset:6px;border-radius:99px}

.calc__result{
  background:rgba(56,189,248,.06);border:1px solid rgba(56,189,248,.24);
  border-radius:var(--radius);padding:22px;text-align:center;
}
.calc__label{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--sky);font-weight:800}
.calc__total{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;line-height:1.15;margin:6px 0 2px}
.calc__total span:first-child{font-size:1.3rem;vertical-align:.44em;color:var(--sky)}
.calc__total small{font-size:.85rem;color:var(--muted);font-weight:600;letter-spacing:0}
.calc__per{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.calc__per strong{color:#fff}
.calc__cap{
  font-size:.82rem;color:#6ee7b7;background:rgba(16,185,129,.1);
  border:1px solid rgba(16,185,129,.32);padding:8px 12px;border-radius:10px;margin-bottom:14px;
}
.calc__disclaimer{
  padding:0 30px 24px;text-align:center;font-size:.78rem;color:var(--dim);
}

/* ── Comparativa ──────────────────────────────────── */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg)}
.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:.92rem}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare thead th{
  background:rgba(15,23,42,.9);font-size:.8rem;text-transform:uppercase;
  letter-spacing:.08em;color:var(--muted);font-weight:800;
}
.compare thead th.is-us{color:#bae6fd;background:rgba(14,111,176,.28)}
.compare tbody th{font-weight:600;color:#dbe5f4}
.compare td{color:var(--muted)}
.compare td.is-us{background:rgba(56,189,248,.07);color:#e6f6ff;font-weight:600}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.yes,.no,.mid{display:inline-block;width:20px;font-weight:900;margin-right:5px}
.yes{color:var(--emerald)}
.no{color:#f87171}
.mid{color:var(--amber)}

/* ── FAQ ──────────────────────────────────────────── */
.faq{display:grid;gap:12px}
.faq details{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:rgba(56,189,248,.36);background:rgba(56,189,248,.05)}
.faq summary{
  cursor:pointer;list-style:none;padding:17px 52px 17px 20px;position:relative;
  font-weight:700;font-size:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq__ico{position:absolute;right:20px;top:50%;transform:translateY(-50%);width:16px;height:16px}
.faq__ico::before,.faq__ico::after{
  content:"";position:absolute;background:var(--sky);border-radius:2px;transition:transform .25s ease;
}
.faq__ico::before{left:0;top:7px;width:16px;height:2px}
.faq__ico::after{left:7px;top:0;width:2px;height:16px}
.faq details[open] .faq__ico::after{transform:rotate(90deg);opacity:0}
.faq__a{padding:0 20px 18px;color:var(--muted);font-size:.94rem}

/* ── CTA final ────────────────────────────────────── */
.finalcta{position:relative;padding:92px 0;overflow:hidden;text-align:center}
.finalcta__bg{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(10,77,128,.9),rgba(7,12,24,.95)),
    url("../img/cta-alumnos.jpg") center 30%/cover no-repeat;
}
.finalcta__inner{position:relative;z-index:2;max-width:760px}
.finalcta h2{margin:18px 0 16px}
.finalcta p{color:#c9d6e8;font-size:1.05rem}
.finalcta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.finalcta__mini{margin-top:18px;font-size:.85rem;color:var(--dim)}

/* ── Footer ───────────────────────────────────────── */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:52px 0 0}
.footer__inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:38px;
}
.footer__brand img{width:150px;margin-bottom:14px}
.footer__brand p{color:var(--muted);font-size:.9rem;max-width:34ch}
.footer h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:14px}
.footer__nav{display:flex;flex-direction:column;gap:9px}
.footer__nav a{color:var(--muted);font-size:.9rem;transition:color .2s}
.footer__nav a:hover{color:var(--sky)}
.footer__contact p{color:var(--dim);font-size:.85rem;margin-top:14px}
.footer__legal{
  border-top:1px solid var(--line);padding-block:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.82rem;color:var(--dim);
}
.footer__legal strong{color:var(--muted)}

/* ── Flotantes ────────────────────────────────────── */
.wafloat{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:#25d366;box-shadow:0 12px 28px -8px rgba(37,211,102,.7);
  transition:transform .22s ease;
}
.wafloat:hover{transform:scale(1.08)}
.wafloat svg{width:31px;height:31px;fill:#042313}

.mobilebar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:65;
  padding:11px 16px;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(10,17,33,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
}
.mobilebar__copy{display:flex;flex-direction:column;line-height:1.25}
.mobilebar__copy strong{font-size:.9rem}
.mobilebar__copy span{font-size:.76rem;color:var(--muted)}

/* ── Reveal on scroll ─────────────────────────────── */
.reveal{opacity:0;transform:translateY(22px)}
.reveal.is-visible{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
}

/* ═══ Responsive ═══════════════════════════════════ */
@media (max-width:1024px){
  /* Una sola columna: copy → formulario → beneficios.
     El formulario sube para quedar a un scroll del titular. */
  .hero__grid{display:flex;flex-direction:column;gap:34px}
  .hero__copy{order:1}
  .hero__form{order:2;max-width:520px;width:100%}
  .hero__bullets{order:3}
  .grid--3{grid-template-columns:1fr 1fr}
  .grid--4{grid-template-columns:1fr 1fr}
  .price--featured{transform:none}
  .prices{grid-template-columns:1fr 1fr}
  .calc__body{grid-template-columns:1fr;gap:26px}
  .footer__inner{grid-template-columns:1fr 1fr}
}

@media (max-width:860px){
  .nav__burger{display:flex}
  .nav__links{
    position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;padding:16px 22px 22px;
    background:rgba(7,12,24,.98);border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    display:none;
  }
  .nav__links.is-open{display:flex}
  .nav__links a:not(.btn){padding:11px 4px;border-bottom:1px solid var(--line)}
  .nav__links .btn{margin-top:10px}
  .trustbar{grid-template-columns:1fr 1fr}
  .priceband{flex-direction:column;align-items:stretch;gap:24px;text-align:left}
  .priceband__action{align-items:stretch}
  .addon{grid-template-columns:1fr}
  .addon__media{height:175px}
  .addon__media img{min-height:0;height:100%}
  .mobilebar{display:flex}
  body{padding-bottom:66px}
  .wafloat{bottom:80px}
}

@media (max-width:680px){
  .section{padding:62px 0}
  .section--tight{padding:48px 0}
  .grid--3,.grid--4,.grid--2,.prices{grid-template-columns:1fr}
  .topbar{font-size:.77rem}
  .topbar__inner{padding:8px 16px;gap:6px}
  .hero{padding:44px 0 56px}
  .formcard{padding:22px 18px}
  .sechead{margin-bottom:34px}
  .trustbar{grid-template-columns:1fr}
  .price__amount{font-size:2.3rem}

  /* La comparativa se apila en tarjetas: en móvil la columna
     de Adminbooks nunca debe quedar fuera de pantalla. */
  .table-wrap{border:0;overflow:visible}
  .compare{min-width:0;display:block;font-size:.9rem}
  .compare thead{display:none}
  .compare tbody,.compare tr,.compare th,.compare td{display:block}
  .compare tr{
    border:1px solid var(--line);border-radius:14px;
    padding:16px;margin-bottom:12px;background:var(--surface);
  }
  .compare tbody th{padding:0 0 12px;font-size:1rem;font-weight:800;color:#fff;border:0}
  .compare td{
    border:0;padding:7px 0;display:flex;align-items:baseline;
    justify-content:flex-end;gap:2px;text-align:right;
  }
  .compare td::before{
    content:attr(data-label);text-align:left;flex:none;margin-right:auto;
    padding-right:12px;font-size:.78rem;color:var(--dim);font-weight:700;
  }
  .compare .yes,.compare .no,.compare .mid{width:auto;margin-right:7px}
  .compare td.is-us{
    margin-top:8px;padding:10px 12px;border-radius:10px;
    background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);
  }
  .compare td.is-us::before{color:#7dd3fc}
  .priceband{padding:26px 22px}
  .priceband__num{font-size:2.5rem}
  .calc__head,.calc__body{padding-inline:20px}
  .calc__disclaimer{padding-inline:20px}
  .footer__inner{grid-template-columns:1fr;gap:28px}
  .footer__legal{justify-content:center;text-align:center}
  .finalcta{padding:70px 0}
  .btn--lg{width:100%}
}

@media (max-width:480px){
  /* En pantallas chicas la barra promocional cede espacio al hero:
     el mensaje se queda, el enlace sobra porque el CTA está abajo. */
  .topbar__link{display:none}
}