:root {
  --verde: #1b4332;
  --verde-2: #2d6a4f;
  --verde-claro: #e8f1ec;
  --oro: #c9a227;
  --tinta: #1c2421;
  --gris: #5b6661;
  --borde: #d9e1dc;
  --fondo: #ffffff;
  --fondo-2: #f5f7f6;
  --rojo: #b42318;
  --amarillo: #b54708;
  --ok: #067647;
  --radio: 10px;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); font-size: 18px; line-height: 1.55; color: var(--tinta); background: var(--fondo); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--verde-2); }
.contenedor { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.angosto { max-width: 760px; }
.centro { text-align: center; }

/* Barra */
.barra { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--borde); backdrop-filter: blur(6px); }
.barra-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.marca { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--verde); text-decoration: none; font-size: 1.05rem; }
.marca-sello { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 8px; background: var(--verde); color: #fff; font-family: var(--serif); font-size: .85rem; letter-spacing: .04em; border-bottom: 3px solid var(--oro); }

/* Botones */
.btn { display: inline-block; background: var(--oro); color: #1c1a10; font-weight: 700; text-decoration: none; padding: 14px 22px; border-radius: var(--radio); border: 2px solid var(--oro); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,.15); }
.btn-borde { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-chico { padding: 9px 14px; font-size: .95rem; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* Héroe */
.heroe { background: linear-gradient(135deg, var(--verde) 0%, #12301f 100%); color: #fff; padding: 72px 0 80px; }
.heroe-in > * { max-width: 820px; }
.heroe .sub { font-size: 1.2rem; color: #d8e6dd; max-width: 640px; }
.ceja { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; color: var(--verde-2); margin-bottom: .6em; }
.ceja-clara { color: var(--oro); }

/* Secciones */
.seccion { padding: 64px 0; }
.seccion-gris { background: var(--fondo-2); }
.intro { color: var(--gris); max-width: 680px; }
.rejilla { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.rejilla-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.tarjeta { border: 1px solid var(--borde); border-radius: var(--radio); padding: 20px; background: #fff; border-top: 4px solid var(--verde-2); }
.tarjeta p { color: var(--gris); margin: 0; }
.tarjeta a { color: inherit; text-decoration: none; display: block; }
.rejilla-giros .tarjeta:hover { box-shadow: 0 8px 24px rgba(27,67,50,.12); }
.dos-col { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .dos-col { grid-template-columns: 1fr 1.4fr; align-items: start; } }
.lista-check { list-style: none; padding: 0; margin: 0; }
.lista-check li { position: relative; padding: 12px 0 12px 36px; border-bottom: 1px solid var(--borde); }
.lista-check li::before { content: ""; position: absolute; left: 4px; top: 18px; width: 16px; height: 9px; border-left: 3px solid var(--verde-2); border-bottom: 3px solid var(--verde-2); transform: rotate(-45deg); }

/* Banda */
.banda { background: var(--verde); color: #fff; }
.banda h2 { color: #fff; }
.dato { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radio); padding: 22px; }
.dato p { color: #d8e6dd; margin: 0; }
.dato .dato-num { font-family: var(--serif); font-size: 1.9rem; color: var(--oro); margin-bottom: .3em; }

/* Pasos */
.pasos { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: paso; }
.pasos li { counter-increment: paso; padding: 20px; border-radius: var(--radio); background: var(--verde-claro); }
.pasos li::before { content: counter(paso); display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--verde); color: #fff; font-weight: 700; margin-bottom: 10px; }
.pasos p { margin: 0; color: var(--gris); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--borde); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 1.4rem; color: var(--verde-2); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 10px 0 0; color: var(--gris); }

.cierre { background: var(--verde-claro); }

/* Diagnóstico */
.seccion-diag { background: var(--fondo-2); scroll-margin-top: 64px; }
.diag { margin-top: 24px; max-width: 720px; background: #fff; border: 1px solid var(--borde); border-radius: 14px; padding: 28px; box-shadow: 0 10px 30px rgba(27,67,50,.08); scroll-margin-top: 80px; }
.diag-barra { height: 6px; background: var(--borde); border-radius: 3px; overflow: hidden; margin-bottom: 20px; }
.diag-barra span { display: block; height: 100%; background: var(--verde-2); transition: width .25s; }
.diag-num { font-size: .85rem; color: var(--gris); margin-bottom: .3em; }
.diag-preg { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; margin-bottom: 18px; }
.diag-ops { display: flex; flex-wrap: wrap; gap: 10px; }
.diag-ops-giro { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.diag-op { font: inherit; font-weight: 600; padding: 12px 22px; border-radius: var(--radio); border: 2px solid var(--verde-2); background: #fff; color: var(--verde); cursor: pointer; min-width: 96px; text-align: left; }
.diag-op:hover, .diag-op:focus-visible { background: var(--verde); color: #fff; outline: none; }
.diag-atras { font: inherit; background: none; border: 0; color: var(--gris); margin-top: 18px; cursor: pointer; padding: 4px 0; text-decoration: underline; display: block; }
.semaforo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 1.5rem; font-weight: 700; }
.semaforo::before { content: ""; width: 18px; height: 18px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 18%, transparent); }
.semaforo.verde { color: var(--ok); }
.semaforo.amarillo { color: var(--amarillo); }
.semaforo.rojo { color: var(--rojo); }
.diag-faltas { list-style: none; padding: 0; margin: 0 0 16px; }
.diag-faltas li { border-left: 4px solid var(--oro); background: var(--fondo-2); padding: 12px 16px; border-radius: 0 8px 8px 0; margin-bottom: 10px; }
.diag-faltas p { margin: 4px 0 0; color: var(--gris); font-size: .97rem; }
.diag-faltas .diag-monto { color: var(--rojo); font-weight: 700; }
.diag-55 { background: var(--verde-claro); padding: 14px 16px; border-radius: 8px; }
.diag-nota { font-size: .85rem; color: var(--gris); }

/* Pie */
.pie { background: #10261b; color: #c6d3cb; padding: 40px 0 24px; font-size: .95rem; }
.pie a { color: #fff; }
.pie-in { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.pie p { margin: 0 0 .5em; }
.marca-pie { color: #fff; }
.pie-legal { font-size: .8rem; color: #8fa398; margin-top: 20px; }

/* Aviso de privacidad */
.texto-legal h2 { font-size: 1.25rem; margin-top: 1.4em; }
.pendiente { background: #fff4d6; border: 1px solid var(--oro); padding: 10px 14px; border-radius: 8px; }

/* WhatsApp flotante */
.wa-flotante { position: fixed; right: 16px; bottom: 16px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.25); z-index: 20; }
.wa-flotante svg { width: 32px; height: 32px; }

@media (max-width: 560px) {
  body { font-size: 17px; }
  .barra .btn-chico { display: none; }
  .heroe { padding: 48px 0 56px; }
  .seccion { padding: 48px 0; }
  .diag { padding: 20px; }
  .acciones .btn { width: 100%; text-align: center; }
}