/* ── Tokens de marca (Manual de identidad EDFA) ───────────── */
  :root {
    --navy: #183861;      /* Azul marino – principal */
    --steel: #3E6993;     /* Azul acero – secundario */
    --gray: #8F9396;      /* Gris – apoyo */
    --steel-60: #8BA5BE;
    --steel-20: #D8E1E9;
    --steel-10: #ECF0F4;
    --navy-deep: #0F2643;
    --ink: #1B2430;
    --muted: #5B6470;
    --paper: #FFFFFF;
    --line: #DCE2E8;
    /* Acento de conversión (extensión de paleta: solo para CTAs) */
    --accent: #F2A93B;
    --accent-ink: #3A2600;
    --wa: #25D366;

    --f-head: "Zilla Slab", Georgia, serif;
    --f-body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
    --radius: 6px;
    --wrap: 1120px;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: 18px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
  img, svg { display: block; max-width: 100%; }
  a { color: var(--steel); }
  h1, h2, h3 { font-family: var(--f-head); line-height: 1.12; margin: 0 0 .5em; color: var(--navy); letter-spacing: -.01em; }
  h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); }
  h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
  h3 { font-size: 1.3rem; }
  p { margin: 0 0 1em; }
  .wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
  .narrow { max-width: 760px; }
  section { padding: 80px 0; }
  .eyebrow { font-family: var(--f-body); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); margin-bottom: 14px; display: inline-block; }
  .center { text-align: center; margin-left: auto; margin-right: auto; }
  mark { background: linear-gradient(transparent 58%, rgba(242,169,59,.45) 58%); color: inherit; padding: 0 2px; }
  .ph { background: #FFF4D6; border: 1px dashed #D9A43A; border-radius: 3px; padding: 0 4px; font-style: normal; white-space: nowrap; color: #7A5200; }
  .hero-grid > * { min-width: 0; }

  /* ── Botones ───────────────────────────────────────────── */
  .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--f-body); font-weight: 700; font-size: 1.05rem; text-decoration: none; border: 0; border-radius: var(--radius); padding: 16px 26px; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
  .btn:hover { transform: translateY(-1px); }
  .btn:focus-visible { outline: 3px solid var(--steel-60); outline-offset: 3px; }
  .btn-accent { background: var(--accent); color: var(--accent-ink); box-shadow: 0 6px 0 -2px #C9832080; }
  .btn-accent:hover { background: #F5B652; }
  .btn-ghost { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.4); }
  .btn-ghost:hover { border-color: #fff; }
  .btn-navy { background: var(--navy); color: #fff; }
  .btn-navy:hover { background: var(--navy-deep); }
  .btn svg { width: 22px; height: 22px; flex: none; }

  /* ── Header ───────────────────────────────────────────── */
  .topbar { background: var(--navy-deep); color: #C9D5E2; font-size: .85rem; text-align: center; padding: 8px 20px; }
  .topbar strong { color: #fff; }
  header.site { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
  header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 72px; }
  .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
  .logo svg { height: 46px; width: auto; }
  .logo-text { display: flex; flex-direction: column; line-height: 1; }
  .logo-text b { font-family: var(--f-head); font-weight: 700; font-size: 1.75rem; color: var(--navy); letter-spacing: .02em; }
  .logo-text span { font-family: var(--f-head); font-weight: 700; font-size: .62rem; color: var(--gray); letter-spacing: .12em; margin-top: 2px; }
  .head-cta { display: flex; align-items: center; gap: 18px; }
  .head-phone { font-weight: 700; color: var(--navy); text-decoration: none; font-size: 1rem; }
  .head-cta .btn { padding: 11px 18px; font-size: .95rem; }

  /* ── Hero ───────────────────────────────────────────── */
  .hero { background: radial-gradient(1200px 500px at 85% -10%, #2B5683 0%, transparent 60%), linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color: #DCE5EE; padding: 64px 0 80px; position: relative; overflow: hidden; }
  .hero::after { content: ""; position: absolute; right: -120px; bottom: -160px; width: 420px; height: 420px; border: 60px solid rgba(255,255,255,.035); transform: rotate(45deg); pointer-events: none; }
  .hero-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: 56px; align-items: start; position: relative; z-index: 1; }
  .hero .eyebrow { color: var(--accent); }
  .hero h1 { color: #fff; }
  .hero h1 em { font-style: normal; color: var(--accent); }
  .hero .lead { font-size: 1.2rem; color: #C9D5E2; max-width: 600px; }
  .checks { list-style: none; padding: 0; margin: 24px 0 30px; display: grid; gap: 10px; }
  .checks li { display: flex; gap: 12px; align-items: flex-start; }
  .checks li::before { content: ""; flex: none; width: 22px; height: 22px; margin-top: 3px; border-radius: 50%; background: var(--steel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat; }
  .hero .checks li { color: #fff; }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
  .micro { font-size: .9rem; color: #9FB3C8; margin-top: 14px; }

  .form-card { background: #fff; color: var(--ink); border-radius: 10px; padding: 30px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.45); border-top: 6px solid var(--accent); }
  .form-card h2 { font-size: 1.55rem; margin-bottom: .3em; }
  .form-card p.sub { color: var(--muted); font-size: .95rem; }
  .field { margin-bottom: 14px; }
  .field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--navy); }
  .field input, .field select { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink); }
  .field input:focus, .field select:focus { outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px var(--steel-20); }
  .chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .chips input { position: absolute; opacity: 0; pointer-events: none; }
  .chips label { margin: 0; text-align: center; padding: 10px 0; border: 1.5px solid var(--line); border-radius: var(--radius); cursor: pointer; font-weight: 700; color: var(--navy); }
  .chips input:checked + label { background: var(--navy); border-color: var(--navy); color: #fff; }
  .chips input:focus-visible + label { box-shadow: 0 0 0 3px var(--steel-20); }
  .form-card .btn { width: 100%; margin-top: 6px; }
  .form-note { font-size: .82rem; color: var(--muted); text-align: center; margin: 12px 0 0; }

  /* ── Franja de confianza ─────────────────────────────── */
  .trust { background: var(--steel-10); border-bottom: 1px solid var(--line); padding: 22px 0; }
  .trust .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
  .trust-item { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--navy); font-size: .95rem; }
  .trust-item svg { width: 26px; height: 26px; color: var(--steel); flex: none; }

  /* ── Síntomas ─────────────────────────────────────────── */
  .symptoms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
  .symptom { border: 1px solid var(--line); border-radius: 8px; padding: 24px; background: #fff; position: relative; }
  .symptom .n { font-family: var(--f-head); font-weight: 700; color: var(--steel-60); font-size: 2rem; line-height: 1; margin-bottom: 10px; }
  .symptom h3 { font-size: 1.15rem; }
  .symptom p { color: var(--muted); font-size: .98rem; margin: 0; }

  /* ── Historia / agitación ──────────────────────────────── */
  .story { background: var(--steel-10); }
  .story p { font-size: 1.12rem; }
  .pull { border-left: 5px solid var(--accent); background: #fff; padding: 22px 26px; margin: 30px 0; font-size: 1.1rem; border-radius: 0 8px 8px 0; }
  .pull small { display: block; color: var(--muted); font-size: .82rem; margin-top: 8px; }

  /* ── Comparativa de costos ──────────────────────────────── */
  .costs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 44px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
  .cost { padding: 32px 28px; background: #fff; border-right: 1px solid var(--line); }
  .cost:last-child { border-right: 0; }
  .cost.win { background: var(--navy); color: #DCE5EE; }
  .cost.win h3, .cost.win .price { color: #fff; }
  .cost .tag { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; background: var(--steel-10); color: var(--steel); margin-bottom: 16px; }
  .cost.win .tag { background: var(--accent); color: var(--accent-ink); }
  .cost .price { font-family: var(--f-head); font-weight: 700; font-size: 1.7rem; color: var(--navy); margin: 6px 0 12px; }
  .cost p { font-size: .98rem; margin: 0; }
  .cost.bad .price { color: #9A3B2E; }

  /* ── 14 puntos ─────────────────────────────────────────── */
  .points-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 44px; }
  .points-group h3 { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 2px solid var(--navy); }
  .points-group h3 span { font-family: var(--f-body); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gray); font-weight: 700; margin-left: auto; }
  .points { list-style: none; padding: 0; margin: 0; counter-reset: p var(--start); }
  .points li { counter-increment: p; padding: 14px 0 14px 46px; border-bottom: 1px solid var(--line); position: relative; }
  .points li::before { content: counter(p, decimal-leading-zero); position: absolute; left: 0; top: 14px; font-family: var(--f-head); font-weight: 700; color: var(--steel); font-size: 1.1rem; }
  .points b { display: block; color: var(--navy); font-size: 1rem; }
  .points small { display: block; color: var(--muted); font-size: .92rem; line-height: 1.45; margin-top: 2px; }

  /* ── Proceso ─────────────────────────────────────────── */
  .process { background: var(--navy); color: #C9D5E2; }
  .process h2 { color: #fff; }
  .process .eyebrow { color: var(--accent); }
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 44px; counter-reset: s; }
  .step { counter-increment: s; border-top: 2px solid rgba(255,255,255,.18); padding-top: 22px; }
  .step::before { content: counter(s); display: grid; place-items: center; width: 44px; height: 44px; transform: rotate(45deg); background: var(--steel); color: #fff; font-family: var(--f-head); font-weight: 700; font-size: 1.2rem; margin: 6px 0 22px 6px; }
  .step h3 { color: #fff; font-size: 1.15rem; }
  .step p { font-size: .98rem; margin: 0; }

  /* ── Razones ─────────────────────────────────────────── */
  .reasons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px 40px; margin-top: 40px; }
  .reason { display: flex; gap: 18px; }
  .reason .ico { flex: none; width: 52px; height: 52px; display: grid; place-items: center; background: var(--steel-10); border-radius: 8px; color: var(--navy); }
  .reason .ico svg { width: 26px; height: 26px; }
  .reason h3 { font-size: 1.15rem; margin-bottom: .3em; }
  .reason p { color: var(--muted); margin: 0; font-size: 1rem; }

  /* ── Testimonios ─────────────────────────────────────── */
  .testis { background: var(--steel-10); }
  .t-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
  .t-card { background: #fff; border-radius: 8px; padding: 28px; border: 1px dashed #D9A43A; }
  .t-card .stars { color: var(--accent); letter-spacing: 2px; font-size: 1.1rem; margin-bottom: 10px; }
  .t-card p { font-size: 1rem; }
  .t-card footer { font-weight: 700; color: var(--navy); font-size: .95rem; }
  .t-card footer span { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }
  .t-note { text-align: center; color: #9A6B10; font-size: .85rem; margin-top: 18px; }

  /* ── Garantía ─────────────────────────────────────────── */
  .guarantee { display: grid; grid-template-columns: 180px 1fr; gap: 40px; align-items: center; border: 2px solid var(--navy); border-radius: 12px; padding: 44px; background: #fff; }
  .seal { width: 170px; height: 170px; display: grid; place-items: center; }
  .seal svg { width: 100%; height: 100%; }

  /* ── Precios ─────────────────────────────────────────── */
  .plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; align-items: stretch; }
  .plan { border: 1px solid var(--line); border-radius: 10px; padding: 30px; display: flex; flex-direction: column; background: #fff; }
  .plan.pop { border: 2px solid var(--navy); box-shadow: 0 20px 40px -24px rgba(24,56,97,.5); position: relative; }
  .plan.pop::before { content: "El más elegido"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; padding: 4px 12px; border-radius: 99px; white-space: nowrap; }
  .plan h3 { margin-bottom: 4px; }
  .plan .who { color: var(--muted); font-size: .95rem; }
  .plan .amt { font-family: var(--f-head); font-weight: 700; font-size: 2.1rem; color: var(--navy); margin: 14px 0 4px; }
  .plan .per { color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
  .plan ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
  .plan li { padding: 7px 0 7px 26px; position: relative; font-size: .98rem; border-bottom: 1px solid var(--steel-10); }
  .plan li::before { content: "✓"; position: absolute; left: 0; color: var(--steel); font-weight: 700; }
  .plan .btn { width: 100%; }

  /* ── FAQ ─────────────────────────────────────────── */
  .faq { margin-top: 36px; }
  .faq details { border-bottom: 1px solid var(--line); }
  .faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; font-weight: 700; color: var(--navy); font-size: 1.08rem; position: relative; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.6rem; color: var(--steel); transition: transform .2s; }
  .faq details[open] summary::after { transform: rotate(45deg); }
  .faq details p { color: var(--muted); padding-bottom: 18px; margin: 0; }

  /* ── CTA final ─────────────────────────────────────── */
  .final { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color: #C9D5E2; text-align: center; }
  .final h2 { color: #fff; }
  .final .lead { font-size: 1.15rem; max-width: 680px; margin: 0 auto 30px; }
  .final .hero-ctas { justify-content: center; }
  .ps { max-width: 680px; margin: 44px auto 0; text-align: left; border-top: 1px solid rgba(255,255,255,.15); padding-top: 26px; font-size: 1.02rem; }
  .ps p { margin-bottom: .8em; }
  .ps b { color: #fff; }

  footer.site { background: #0B1D33; color: #8FA3B8; padding: 44px 0 100px; font-size: .92rem; }
  footer.site .wrap { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
  footer.site h4 { color: #fff; font-family: var(--f-body); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 12px; }
  footer.site ul { list-style: none; padding: 0; margin: 0; }
  footer.site li { margin-bottom: 6px; }
  footer.site a { color: #B9C8D8; text-decoration: none; }
  footer.site a:hover { color: #fff; }
  footer.site .logo-text b { color: #fff; }

  /* ── Barra móvil fija ─────────────────────────────── */
  .mobile-bar { display: none; }

  @media (max-width: 960px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .symptoms, .t-grid, .plans, .points-wrap { grid-template-columns: 1fr 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .costs { grid-template-columns: 1fr; }
    .cost { border-right: 0; border-bottom: 1px solid var(--line); }
    footer.site .wrap { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    body { font-size: 17px; }
    section { padding: 60px 0; }
    .wrap { padding: 0 16px; }
    .head-phone { display: none; }
    .head-cta .btn span { display: none; }
    .symptoms, .t-grid, .plans, .points-wrap, .steps, .reasons { grid-template-columns: 1fr; }
    .guarantee { grid-template-columns: 1fr; padding: 28px; text-align: center; }
    .seal { margin: 0 auto; width: 140px; height: 140px; }
    .form-card { padding: 22px; }
    .trust .wrap { justify-content: flex-start; }
    footer.site .wrap { grid-template-columns: 1fr; }
    .mobile-bar { display: grid; grid-template-columns: 1fr 1.6fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: #fff; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); box-shadow: 0 -6px 20px rgba(0,0,0,.12); }
    .mobile-bar .btn { padding: 13px 10px; font-size: .95rem; }
  }
  @media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ── Componentes compartidos adicionales ─────────────────── */
.segments { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 28px; }
.segments span { border: 1.5px solid var(--line); border-radius: 99px; padding: 8px 16px; font-weight: 600; color: var(--navy); font-size: .95rem; background: #fff; }

/* Calculadora: entradas a la izquierda, resultado en azul a la derecha */
.calc { display: grid; grid-template-columns: 1fr 1fr; margin-top: 40px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.calc-in { padding: 34px; }
.calc-in .field input, .calc-in .field select { font-size: 1.1rem; font-weight: 700; color: var(--navy); }
.calc-in .hint { font-size: .85rem; color: var(--muted); margin-top: 4px; }
.calc-out { background: var(--navy); color: #C9D5E2; padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.calc-out .lbl { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--accent); }
.calc-out .big { font-family: var(--f-head); font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.2rem); color: #fff; line-height: 1.05; margin: 8px 0 6px; }
.calc-out .year { font-size: 1.05rem; margin-bottom: 18px; }
.calc-out .year b { color: #fff; }
.calc-out p.note { font-size: .92rem; margin: 0 0 18px; border-top: 1px solid rgba(255,255,255,.15); padding-top: 16px; }

/* Selector de equipos (casillas con potencia) */
.loads { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.loads .load { display: flex; margin: 0; align-items: center; gap: 10px; border: 1.5px solid var(--line); border-radius: var(--radius); padding: 10px 12px; cursor: pointer; font-weight: 600; color: var(--navy); font-size: .95rem; }
.loads .load input { accent-color: var(--navy); width: 18px; height: 18px; flex: none; }
.loads .load small { padding-left: 8px; margin-left: auto; color: var(--gray); font-weight: 600; font-size: .78rem; white-space: nowrap; }
.loads .load:has(input:checked) { border-color: var(--navy); background: var(--steel-10); }

/* Tarjetas de opción (tipo de instalación) */
.options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.option { border: 1.5px solid var(--line); border-radius: 10px; padding: 24px; background: #fff; text-decoration: none; color: var(--ink); transition: border-color .15s, transform .15s; display: flex; flex-direction: column; }
.option:hover { border-color: var(--steel); transform: translateY(-2px); }
.option .ico { width: 48px; height: 48px; display: grid; place-items: center; background: var(--steel-10); border-radius: 8px; color: var(--navy); margin-bottom: 16px; }
.option .ico svg { width: 24px; height: 24px; }
.option h3 { font-size: 1.15rem; margin-bottom: .3em; }
.option p { color: var(--muted); font-size: .95rem; margin: 0 0 14px; flex: 1; }
.option span.go { font-weight: 700; color: var(--steel); font-size: .95rem; }

/* Tabla comparativa */
.compare { width: 100%; border-collapse: collapse; margin-top: 40px; background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); font-size: .98rem; }
.compare th, .compare td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--steel-10); vertical-align: top; }
.compare thead th { background: var(--navy); color: #fff; font-family: var(--f-head); font-size: 1.05rem; }
.compare thead th.hl { background: var(--steel); }
.compare tbody th { color: var(--navy); font-weight: 700; width: 26%; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare-wrap { overflow-x: auto; }

@media (max-width: 960px) {
  .calc { grid-template-columns: 1fr; }
  .options { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .calc-in, .calc-out { padding: 24px; }
  .loads, .options { grid-template-columns: 1fr; }
  .compare { font-size: .9rem; min-width: 560px; }
}

/* Llamar solo donde el visitante puede marcar desde su propio teléfono (celulares).
   En computadoras el número se muestra como texto y la acción es WhatsApp. */
@media (hover: hover) and (pointer: fine) {
  .tel-only, .mobile-bar .js-tel { display: none !important; }
  .mobile-bar { grid-template-columns: 1fr !important; }
  .head-phone, footer .js-tel { pointer-events: none; cursor: default; }
}