/* Casa en San Diego */
:root {
  --navy: #12324a;
  --navy-claro: #24506f;
  --arena: #fbf6ee;
  --arena-oscura: #f1e7d6;
  --oro: #e8a33d;
  --oro-oscuro: #b8781c;
  --texto: #1b2733;
  --gris: #5a6672;
  --borde: #e4d9c6;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--arena); color: var(--texto); font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif; font-size: 18px; line-height: 1.65; }
h1, h2, h3 { font-family: "DM Serif Display", Georgia, serif; font-weight: 400; color: var(--navy); line-height: 1.15; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); margin: 0 0 .5em; }
h2 { font-size: 1.85rem; margin: 1.8em 0 .5em; }
h3 { font-size: 1.3rem; margin: 1.4em 0 .4em; }
a { color: var(--navy-claro); }
p { margin: 0 0 1em; }
.contenedor { max-width: 1120px; margin: 0 auto; padding: 0 22px; }
.angosto { max-width: 760px; margin: 0 auto; padding: 0 22px; }

/* Barra superior */
.barra { background: var(--navy); color: var(--arena); }
.barra .contenedor { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; color: #fff; text-decoration: none; font-family: "DM Serif Display", Georgia, serif; font-size: 1.35rem; white-space: pre; }
.logo img { width: 34px; height: 34px; margin-right: 10px; border-radius: 8px; }
.menu a { color: var(--arena); text-decoration: none; margin-left: 18px; font-size: .95rem; opacity: .9; }
.menu a:hover { opacity: 1; text-decoration: underline; }

/* Héroe */
.heroe { padding: 56px 0 40px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; }
.heroe .entrada { font-size: 1.2rem; color: var(--gris); }
.foto { width: 100%; height: auto; display: block; border-radius: 18px; box-shadow: 0 10px 30px rgba(18,50,74,.12); }

/* Herramientas */
.herramientas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin: 18px 0 30px; }
.herramienta { background: #fff; border: 1px solid var(--borde); border-radius: 16px; padding: 24px; display: flex; flex-direction: column; }
.herramienta h3 { margin-top: 0; }
.herramienta p { color: var(--gris); flex: 1; }
.herramienta .etiqueta { color: var(--oro-oscuro); font-weight: 700; font-size: .85rem; letter-spacing: .02em; }

.boton { display: inline-block; background: var(--oro); color: var(--navy); font-weight: 700; text-decoration: none; padding: 13px 24px; border-radius: 999px; border: 0; cursor: pointer; font-family: inherit; font-size: 1rem; }
.boton:hover { background: #f0b456; }
.boton:disabled { opacity: .6; cursor: wait; }
.boton-sec { background: transparent; color: var(--navy); border: 2px solid var(--navy); }

/* Formularios */
.tarjeta { background: #fff; border: 1px solid var(--borde); border-radius: 16px; padding: 26px; margin: 22px 0; }
.campo { margin-bottom: 18px; }
.campo label, .campo legend { display: block; font-weight: 600; margin-bottom: 6px; }
.campo .ayuda { display: block; font-size: .9rem; color: var(--gris); margin: -2px 0 8px; }
.campo input[type=text], .campo input[type=email], .campo input[type=tel], .campo input[type=number], .campo select, .campo textarea {
  width: 100%; font: inherit; font-size: 1rem; padding: 11px 12px; border: 1px solid var(--borde); border-radius: 10px; background: #fff; color: var(--texto); }
.campo fieldset { border: 0; margin: 0; padding: 0; }
.opciones label { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-bottom: 8px; }
.opciones input { margin-top: 6px; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.aviso { display: none; color: #9b2c1c; font-weight: 600; margin: 10px 0; }
.trampa { position: absolute; left: -9999px; }
.resultado { background: var(--arena-oscura); border-radius: 14px; padding: 22px; margin: 20px 0; display: none; }
.resultado.visible { display: block; }
.cifra { font-family: "DM Serif Display", Georgia, serif; font-size: 2.4rem; color: var(--navy); line-height: 1.1; }
.nota { font-size: .9rem; color: var(--gris); }
.oculto { display: none; }

/* Lecturas */
.lectura { padding: 40px 0; }
.lectura .resumen { font-size: 1.15rem; color: var(--gris); }
.lectura img { width: 100%; height: auto; border-radius: 14px; margin: 8px 0 20px; }
.lista-lecturas { list-style: none; padding: 0; }
.lista-lecturas li { border-bottom: 1px solid var(--borde); padding: 14px 0; }
.lista-lecturas a { font-weight: 700; text-decoration: none; }
.lista-lecturas span { display: block; color: var(--gris); font-size: .95rem; }
.recuadro { background: #fff; border-left: 5px solid var(--oro); border-radius: 10px; padding: 18px 22px; margin: 24px 0; }

/* Pie */
.pie { background: var(--navy); color: #d9e2ea; margin-top: 60px; padding: 34px 0 40px; font-size: .9rem; }
.pie a { color: #fff; margin-right: 14px; }
.pie .legal { margin-top: 14px; line-height: 1.55; }
.eho { display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; font-weight: 600; color: #fff; }
.eho svg { width: 26px; height: 26px; }

@media (max-width: 860px) {
  .heroe, .herramientas, .dos { grid-template-columns: 1fr; }
  .menu a { margin-left: 0; margin-right: 14px; }
}