:root { --tinta: #1d2733; --suave: #5b6878; --linea: #dfe4ea; --fondo: #f5f7fa; --marca: #0f766e; --marca-osc: #115e59; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, "Segoe UI", sans-serif; color: var(--tinta); background: var(--fondo); }
header { background: var(--marca); color: #fff; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; }
header strong { font-size: 18px; }
header span { opacity: .9; font-size: 14px; }
nav { background: #fff; border-bottom: 1px solid var(--linea); padding: 0 24px; display: flex; gap: 4px; flex-wrap: wrap; }
nav a { padding: 12px 14px; color: var(--suave); text-decoration: none; border-bottom: 3px solid transparent; }
nav a[aria-current="page"] { color: var(--marca-osc); border-bottom-color: var(--marca); font-weight: 600; }
main { max-width: 960px; margin: 24px auto; padding: 0 16px; }
.tarjeta { background: #fff; border: 1px solid var(--linea); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--linea); }
th { color: var(--suave); font-weight: 600; font-size: 13px; }
label { display: block; margin: 0 0 14px; font-weight: 600; font-size: 14px; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid #c4ccd6; border-radius: 6px; font: inherit; }
button, .boton { display: inline-block; background: var(--marca); color: #fff; border: 0; border-radius: 6px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.secundario { background: #fff; color: var(--marca-osc); border: 1px solid var(--marca); }
.aviso { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; padding: 12px 14px; border-radius: 6px; margin-bottom: 16px; }
.cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.cifras div { background: #fff; border: 1px solid var(--linea); border-radius: 8px; padding: 14px; }
.cifras b { display: block; font-size: 22px; }
.pasos { color: var(--suave); font-size: 14px; margin-bottom: 12px; }
dt { font-weight: 600; margin-top: 12px; }
dd { margin: 4px 0 0; color: var(--suave); }