:root {
    --azul-oscuro: #004A86;
    --azul-claro: #69B3E7;
    --azul-palido: #C7D7EB;
    --gris-oscuro: #62666A;
    --gris-medio: #97999B;
    --gris-claro: #C8C8C6;
    --blanco: #FFFFFF;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background-color: #F4F7FA;
    color: var(--gris-oscuro);
}

/* header {
    background-color: var(--azul-oscuro);
    color: var(--blanco);
    padding: 2rem 1.5rem;
    text-align: center;
}

header h1 {
    margin: 0 0 0.4rem 0;
    font-size: 1.7rem;
    font-weight: 600;
}

header p {
    margin: 0;
    color: var(--azul-palido);
    font-size: 1rem;
} */

/* Encabezado */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--borde);
}

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 0;
}

.brand-main {
    width: min(500px, 70vw);
}

.brand-main img {
    max-height: 115px;
    object-fit: contain;
    object-position: left center;
}

.site-nav {
    background: var(--azul-oscuro);
}

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
}

.site-nav a {
    display: block;
    padding: 14px 18px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus {
    background: var(--azul-claro);
    outline: none;
}

/* ---- Encabezado ---- */
nav {
    background: var(--azul-oscuro);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.02em;
    font-size: 1.05rem;
}

.page-header {
    max-width: 1100px;
    margin: 3.2rem auto 0.5rem;
    text-align: center;
}

.page-header .eyebrow {
    display: inline-block;
    background: #fff;
    color: var(--azul-oscuro);
    border: 1px solid var(--borde);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 700;
    color: var(--texto);
}

.page-header p {
    color: var(--texto-suave);
    margin-top: 0.5rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem 1.5rem;
}

.filtro {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}

.filtro input {
    width: 100%;
    max-width: 320px;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--gris-claro);
    border-radius: 6px;
    font-size: 0.95rem;
    color: var(--gris-oscuro);
}

.filtro input:focus {
    outline: none;
    border-color: var(--azul-claro);
    box-shadow: 0 0 0 3px rgba(105, 179, 231, 0.3);
}

.grid-acuerdos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 992px) {
    .grid-acuerdos {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .grid-acuerdos {
        grid-template-columns: 1fr;
    }

    .filtro {
        justify-content: stretch;
    }

    .filtro input {
        max-width: none;
    }
}

.tarjeta {
    background-color: var(--blanco);
    border: 1px solid var(--gris-claro);
    border-top: 4px solid var(--azul-oscuro);
    border-radius: 8px;
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tarjeta:hover {
    box-shadow: 0 6px 16px rgba(0, 74, 134, 0.15);
    transform: translateY(-2px);
}

.tarjeta .clave {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--azul-oscuro);
    margin-bottom: 0.6rem;
    word-break: break-word;
}

.tarjeta .descripcion {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--gris-oscuro);
    flex-grow: 1;
    margin-bottom: 1.2rem;
}

.tarjeta .acciones {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.btn {
    flex: 1;
    text-align: center;
    padding: 0.55rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.btn-pdf {
    background-color: var(--azul-oscuro);
    color: var(--blanco);
}

.btn-pdf:hover {
    background-color: #003a68;
}

.btn-periodico {
    background-color: var(--blanco);
    color: var(--azul-oscuro);
    border-color: var(--azul-oscuro);
}

.btn-periodico:hover {
    background-color: var(--azul-palido);
}

.sin-resultados {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--gris-medio);
    padding: 2rem 0;
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--gris-medio);
    font-size: 0.85rem;
}

/* Pie */
.site-footer {
    background: var(--azul-oscuro);
    color: #fff;
    padding: 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
    align-items: start;
}



.site-footer h4 {
    margin-top: 0;
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.site-footer p {
    margin: 0.5rem 0;
    font-size: 1rem;
}

.site-footer a {
    color: #fff;
    text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
    text-decoration: underline;
}

.footer-logo {
    max-height: 90px;
    margin: 0 auto 15px;
}

.footer-center {
    text-align: center;
}

.social-links {
    display: grid;
    gap: 8px;
}

.copyright {
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .18);
    text-align: center;
    font-size: .9rem;
    opacity: .85;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .transparency-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .brand-row {
        justify-content: center;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 20px, 1180px);
    }

    .site-nav ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .site-nav a {
        text-align: center;
        padding: 12px 8px;
    }

    .hero-banner,
    .hero-banner img {
        min-height: 220px;
    }

    .transparency-section {
        padding: 20px 16px;
    }

    .transparency-links {
        grid-template-columns: 1fr;
    }
}