:root {
    --primario: #1c2433;
    --rojo: #ED1B24;
    --suave: #5b6779;
    --borde: #e3e8f0;
    --fondo: #f4f6fb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Segoe UI", Roboto, Arial, sans-serif; background: var(--fondo); color: var(--primario); }

a { color: inherit; }

.public-nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 32px; background: #fff; border-bottom: 1px solid var(--borde); position: sticky; top: 0; z-index: 20; }
.public-nav .marca { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 18px; }
.public-nav .logo { width: 30px; height: 30px; background: var(--rojo); border-radius: 6px; position: relative; }
.public-nav .logo::before, .public-nav .logo::after { content: ""; position: absolute; background: #fff; border-radius: 2px; }
.public-nav .logo::before { width: 7px; height: 20px; left: 11px; top: 5px; }
.public-nav .logo::after { width: 20px; height: 7px; left: 5px; top: 11px; }
.public-nav .acciones { display: flex; align-items: center; gap: 10px; }

.locale { display: flex; gap: 4px; }
.locale a { padding: 6px 10px; border-radius: 6px; font-size: 13px; font-weight: 700; text-decoration: none; color: var(--suave); border: 1px solid var(--borde); }
.locale a.activo { background: var(--primario); color: #fff; border-color: var(--primario); }

.btn { display: inline-block; border: none; border-radius: 10px; padding: 12px 20px; font-size: 15px; font-weight: 700; cursor: pointer; text-decoration: none; background: #e8ecf2; color: var(--primario); transition: filter .12s; }
.btn:hover { filter: brightness(.95); }
.btn-rojo { background: var(--rojo); color: #fff; }
.btn-primario { background: var(--primario); color: #fff; }

.hero { max-width: 1080px; margin: 0 auto; padding: 70px 24px 40px; text-align: center; }
.hero h1 { font-size: 44px; line-height: 1.1; margin-bottom: 16px; }
.hero p { font-size: 19px; color: var(--suave); max-width: 680px; margin: 0 auto 28px; }
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.features { max-width: 1080px; margin: 20px auto 40px; padding: 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } }
.feature { background: #fff; border-radius: 16px; padding: 22px; box-shadow: 0 3px 14px rgba(28,36,51,.06); }
.feature h3 { font-size: 16px; margin-bottom: 8px; }
.feature p { color: var(--suave); font-size: 14px; line-height: 1.5; }

.pasos { max-width: 1080px; margin: 10px auto 60px; padding: 0 24px; }
.pasos h2 { text-align: center; font-size: 28px; margin-bottom: 26px; }
.pasos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .pasos-grid { grid-template-columns: 1fr; } }
.paso { background: #fff; border-radius: 16px; padding: 24px; text-align: center; box-shadow: 0 3px 14px rgba(28,36,51,.06); }
.paso .num { width: 44px; height: 44px; border-radius: 50%; background: var(--rojo); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; margin: 0 auto 14px; }

.pie { text-align: center; color: var(--suave); padding: 30px; font-size: 13px; }

.centrado { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-caja { width: 100%; max-width: 420px; background: #fff; border-radius: 18px; padding: 34px; box-shadow: 0 12px 46px rgba(28,36,51,.12); }
.login-caja .marca { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; justify-content: center; margin-bottom: 8px; }
.login-caja h1 { font-size: 20px; margin-bottom: 22px; text-align: center; color: var(--suave); font-weight: 600; }
.campo { margin-bottom: 14px; }
.campo label { font-weight: 600; font-size: 13px; color: var(--suave); display: block; margin-bottom: 6px; }
.campo input { width: 100%; font: inherit; border: 1px solid var(--borde); border-radius: 10px; padding: 12px 14px; }
.campo input:focus { outline: 2px solid rgba(28,36,51,.25); border-color: var(--primario); }
.login-caja .btn { width: 100%; margin-top: 6px; }
.recordar { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--suave); margin-bottom: 10px; }
.recordar input { width: auto; }
.errores { background: #fdecea; color: #B71C1C; border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; font-weight: 600; font-size: 14px; }