:root {
  /* Paleta exacta del logo: azul marino -> turquesa */
  --marino: #17375a;
  --marino-osc: #0f2742;
  --verde: #0d94a6;          /* color de acción primaria (turquesa del logo) */
  --verde-osc: #0a7686;
  --cian: #16c7db;           /* acento brillante (glow del logo) */
  --crema: #f3f7f9;          /* fondo suave azulado */
  --tinta: #16232b;
  --gris: #5c6b73;
  --gris-cl: #eef2f4;
  --linea: #dce4e8;
  --amarillo: #e8a600;
  --rojo: #c0392b;
  --wa: #25d366;
  --wa-osc: #1da851;
  --sombra: 0 6px 24px rgba(16, 40, 50, 0.08);
  --sombra-lg: 0 18px 50px rgba(23, 55, 90, 0.16);
  --radio: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--tinta);
  background: #fff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--verde-osc); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* Header */
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--linea);
  position: sticky; top: 0; background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); z-index: 40;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -.4px; color: var(--marino); text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 8px; }
.brand b { font-weight: 800; }
.brand span { color: var(--verde); }
.top nav { display: flex; align-items: center; gap: 18px; }
.top nav a { text-decoration: none; color: var(--gris); font-weight: 600; font-size: 15px; }
.top nav a:hover { color: var(--tinta); }
.top nav a.nav-cta {
  background: var(--marino); color: #fff; padding: 9px 16px; border-radius: 999px;
}
.top nav a.nav-cta:hover { background: var(--marino-osc); color: #fff; }

/* Hero */
.hero {
  padding: 32px 0 44px; text-align: center;
  background:
    radial-gradient(900px 420px at 50% 120%, #e6f5f8 0%, rgba(230,245,248,0) 60%),
    #ffffff;
}
.hero-logo {
  width: min(380px, 86%); height: auto; margin: 4px auto 24px; display: block;
}
.hero h1 { font-size: 34px; line-height: 1.12; margin: 0 auto 14px; letter-spacing: -.8px; max-width: 760px; }
.hero h1 em { font-style: normal; color: var(--verde-osc); }
.hero p.lead { font-size: 18px; color: var(--gris); max-width: 600px; margin: 0 auto 26px; }
.precio-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--linea); color: var(--marino);
  font-weight: 700; padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
  box-shadow: var(--sombra);
}
.precio-badge b { color: var(--verde-osc); }

/* Grupo de CTA del hero */
.cta-group { display: flex; flex-direction: column; gap: 12px; align-items: center; max-width: 420px; margin: 0 auto; }
.cta-group .btn { width: 100%; }
.cta-micro { font-size: 13px; color: var(--gris); margin: 10px 0 0; display: flex; gap: 6px; justify-content: center; align-items: center; flex-wrap: wrap; }
.cta-micro b { color: var(--marino); }

/* Barra de confianza */
.trust {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin: 8px auto 0; padding: 22px 0;
}
.trust .item { text-align: center; font-size: 13px; color: var(--gris); font-weight: 600; }
.trust .item .ic { font-size: 24px; display: block; margin-bottom: 4px; }
.trust .item b { display: block; color: var(--tinta); font-size: 14px; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border: none; cursor: pointer; font: inherit; text-align: center;
  font-weight: 700; padding: 14px 26px; border-radius: 999px; text-decoration: none;
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--verde) 0%, var(--marino) 100%);
  color: #fff; box-shadow: 0 8px 22px rgba(21, 154, 172, .35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(21, 154, 172, .45); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 8px 22px rgba(37, 211, 102, .35); }
.btn-wa:hover { background: var(--wa-osc); color: #fff; transform: translateY(-1px); }
.btn-ghost { background: var(--gris-cl); color: var(--tinta); }
.btn-ghost:hover { background: #e2e9ed; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-lg { font-size: 17px; padding: 17px 32px; }
.btn svg { flex: none; }

/* Secciones */
.seccion { padding: 44px 0; }
.seccion h2 { text-align: center; font-size: 27px; letter-spacing: -.5px; margin: 0 0 6px; }
.seccion .sub { text-align: center; color: var(--gris); max-width: 560px; margin: 0 auto 30px; }
.alt { background: var(--crema); }

/* Tarjetas de examen */
.opciones { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 8px 0 0; }
.card {
  border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px;
  text-align: left; box-shadow: var(--sombra); background: #fff;
  display: flex; flex-direction: column; position: relative;
}
.card .emoji { font-size: 30px; margin-bottom: 8px; }
.card h3 { margin: 0 0 6px; font-size: 20px; color: var(--marino); }
.card p { color: var(--gris); margin: 0 0 20px; flex: 1; }
.card .precio-linea { font-weight: 700; color: var(--verde-osc); margin: 0 0 16px; }

/* Beneficios */
.beneficios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.beneficio { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 22px; box-shadow: var(--sombra); }
.beneficio .ic { font-size: 26px; }
.beneficio h3 { margin: 8px 0 4px; font-size: 17px; color: var(--marino); }
.beneficio p { margin: 0; color: var(--gris); font-size: 15px; }

/* FAQ */
.faq { max-width: 720px; margin: 0 auto; }
.faq details { border: 1px solid var(--linea); border-radius: 12px; padding: 4px 18px; margin-bottom: 12px; background: #fff; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; color: var(--marino); position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 12px; font-size: 22px; color: var(--verde); font-weight: 400; }
.faq details[open] summary::after { content: '\2013'; }
.faq details p { margin: 0 0 16px; color: var(--gris); }

/* CTA final */
.cta-final { text-align: center; background: linear-gradient(135deg, var(--marino) 0%, var(--verde-osc) 100%); color: #fff; border-radius: 22px; padding: 44px 24px; margin: 0 20px; }
.cta-final h2 { color: #fff; }
.cta-final .sub { color: rgba(255,255,255,.85); }
.cta-final .btn-ghost { background: rgba(255,255,255,.15); color: #fff; }
.cta-final .btn-ghost:hover { background: rgba(255,255,255,.25); }

/* Pasos */
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 8px 0 0; }
.paso { text-align: center; }
.paso .num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--verde) 0%, var(--marino) 100%); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 19px;
  margin: 0 auto 12px; box-shadow: 0 6px 16px rgba(21,154,172,.3);
}
.paso h3 { color: var(--marino); margin: 0 0 4px; }

/* Aviso legal */
.aviso {
  background: #fff8e6; border: 1px solid #f0dca0; border-radius: var(--radio);
  padding: 18px 22px; margin: 30px 0; font-size: 14px; color: #6b5600;
}

/* Formulario */
form fieldset { border: 1px solid var(--linea); border-radius: var(--radio); padding: 22px; margin: 0 0 22px; }
form legend { font-weight: 800; padding: 0 8px; color: var(--verde-osc); }
label { display: block; font-weight: 600; margin: 14px 0 6px; font-size: 14px; }
input[type=text], input[type=number], input[type=email], input[type=tel], input[type=date],
input[type=password], textarea, select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--linea); border-radius: 10px;
  font: inherit; background: #fff;
}
textarea { min-height: 78px; resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check { display: flex; align-items: flex-start; gap: 10px; margin: 8px 0; font-weight: 500; }
.check input { margin-top: 4px; }
.hint { font-size: 13px; color: var(--gris); font-weight: 400; }
.err { color: var(--rojo); font-size: 13px; margin-top: 6px; }

/* Panel */
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.indicado { background: #e2f6ee; color: var(--verde-osc); }
.pill.derivar { background: #fdf0d5; color: #8a6400; }
.pill.no_indicado { background: var(--gris-cl); color: var(--gris); }
.pill.estado { background: #eaf1f6; color: #35505f; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--linea); font-size: 14px; }
th { color: var(--gris); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
tr.row:hover { background: var(--gris-cl); cursor: pointer; }

.bandera { background: #fdeeee; border-left: 3px solid var(--rojo); padding: 8px 12px; margin: 6px 0; border-radius: 6px; font-size: 14px; }
.motivo { background: #eef8f3; border-left: 3px solid var(--verde); padding: 8px 12px; margin: 6px 0; border-radius: 6px; font-size: 14px; }

.footer { border-top: 1px solid var(--linea); color: var(--gris); font-size: 13px; padding: 30px 0; margin-top: 50px; text-align: center; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--tinta); color: #fff; padding: 12px 20px; border-radius: 10px;
  box-shadow: var(--sombra); opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50;
}
.toast.show { opacity: 1; }

/* Botón flotante de WhatsApp */
.wa-float {
  position: fixed; bottom: 22px; right: 22px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra); text-decoration: none;
  transition: transform .08s ease;
}
.wa-float:hover { transform: translateY(-2px) scale(1.05); }

/* Barra CTA fija (móvil) */
.sticky-cta {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-top: 1px solid var(--linea); padding: 10px 14px;
  gap: 10px; box-shadow: 0 -6px 20px rgba(20,48,76,.08);
}
.sticky-cta .btn { flex: 1; padding: 13px 10px; font-size: 15px; }
.sticky-cta .btn-wa { flex: 0 0 54px; }

@media (max-width: 860px) {
  .beneficios { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .pasos, .grid2, .trust { grid-template-columns: 1fr 1fr; }
  .trust { gap: 18px 10px; }
  .hero h1 { font-size: 27px; }
  .hero p.lead { font-size: 16px; }
  .seccion h2 { font-size: 23px; }
  .top nav a:not(.nav-cta) { display: none; }
  .sticky-cta { display: flex; }
  .wa-float { display: none; }
  main { padding-bottom: 74px; }
}

@media (max-width: 560px) {
  .opciones { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .trust { grid-template-columns: 1fr 1fr; }
}