:root {
    /* Alias que apuntan a la paleta global de base.css: una sola
       fuente de verdad para el color de marca (consistencia E4). */
    --qs-primario: var(--color-primario);
    --qs-primario-claro: var(--color-primario-claro);
    --qs-acento: var(--color-acento);
    --qs-texto: #1f2933;
    --qs-texto-suave: #4b5563;
    --qs-borde: #d8e0e2;
    --qs-fondo: #f7fbfc;
}

.qs-hero {
    padding: 3rem 1.25rem 2rem;
    background:
        linear-gradient(135deg, rgba(5, 65, 80, 0.96), rgba(10, 106, 130, 0.92)),
        url('/assets/img/CJS-CNSE_bg.png') center/cover;
    color: #ffffff;
}

.qs-hero__content {
    max-width: 72rem;
    margin: 0 auto;
    padding: 2rem 0;
}

.qs-hero__eyebrow,
.qs-section__eyebrow {
    display: inline-block;
    margin: 0 0 0.8rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.qs-hero h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 4vw, 3rem);
    color: #ffffff;
    line-height: 1.15;
}

.qs-hero__intro {
    max-width: 48rem;
    margin: 0 0 1.5rem;
    font-size: 1.08rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.94);
}

.qs-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.qs-hero__actions .boton {
    min-height: 46px;
}

.qs-section {
    padding: 3rem 1.25rem;
}

.qs-section--cards,
.qs-section--values,
.qs-section--partners {
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.qs-section__content,
.qs-section__heading,
.qs-grid,
.qs-partners {
    max-width: 72rem;
    margin: 0 auto;
}

.qs-section--intro {
    background: #ffffff;
}

.qs-section__content {
    display: grid;
    gap: 1.5rem;
    align-items: start;
}

.qs-copy h2,
.qs-section__heading h2 {
    margin: 0 0 1rem;
    color: var(--qs-primario);
    font-size: clamp(1.45rem, 2.3vw, 2rem);
}

.qs-copy p,
.qs-card p,
.qs-value p,
.qs-section__lead,
.qs-callout p,
.qs-callout li {
    color: var(--qs-texto-suave);
    line-height: 1.75;
}

.qs-callout {
    padding: 1.4rem;
    border: 1px solid var(--qs-borde);
    border-radius: 1rem;
    background: linear-gradient(135deg, #f8fbfc, #f1f6f8);
}

.qs-callout h3,
.qs-card h3,
.qs-value h3 {
    margin-top: 0;
    color: var(--qs-primario);
}

.qs-callout ul {
    padding-left: 1.1rem;
    margin: 0.8rem 0 0;
}

.qs-section__lead {
    max-width: 72rem;
    margin: 0 auto 1.25rem;
    color: var(--qs-texto-suave);
    line-height: 1.75;
}

.qs-section--cards,
.qs-section--values,
.qs-section--partners {
    background: var(--qs-fondo);
}

.qs-grid {
    display: grid;
    gap: 1.2rem;
}

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

.qs-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.qs-card,
.qs-value {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.4rem;
    border: 1px solid var(--qs-borde);
    border-radius: 1rem;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(5, 65, 80, 0.06);
}

.qs-card__icon,
.qs-value__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.8rem;
    height: 2.8rem;
    margin-bottom: 0.9rem;
    border-radius: 50%;
    background: rgba(248, 149, 42, 0.18);
    color: var(--qs-primario);
    font-size: 1.1rem;
}

.qs-card h3,
.qs-value h3 {
    margin: 0 0 0.55rem;
}

.qs-card p,
.qs-value p {
    margin: 0;
    font-size: 0.98rem;
}

.qs-partners {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    padding: 0;
    margin: 1rem auto 0;
    list-style: none;
}

.qs-partners li {
    display: flex;
}

.qs-partners a {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-height: 8.5rem;
    padding: 1rem 1.1rem;
    border: 1px solid var(--qs-borde);
    border-radius: 1rem;
    background: linear-gradient(135deg, #ffffff, #f7fbfc);
    color: var(--qs-primario);
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(5, 65, 80, 0.06);
    gap: 1rem;
}

.qs-partner__logo {
    display: block;
    max-width: 100px;
    width: auto;
    height: auto;
    border-radius: 0.75rem;
    object-fit: contain;
    background: #fff;
    padding: 0.5rem;
}

.qs-partner__content {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 100%;
    align-items: center;
    text-align: center;
}

.qs-partner__content strong {
    color: var(--qs-primario);
    font-size: 1rem;
}

.qs-partner__url {
    color: var(--qs-texto-suave);
    font-size: 0.92rem;
    line-height: 1.55;
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.qs-partner__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    width: fit-content;
    margin-top: 0.25rem;
    margin-left: auto;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: #eef2f4;
    color: var(--qs-primario);
    font-size: 0.82rem;
    font-weight: 700;
}

.qs-partners a:hover,
.qs-partners a:focus-visible,
.qs-hero__actions a:hover,
.qs-hero__actions a:focus-visible {
    outline: 3px solid var(--qs-acento);
    outline-offset: 3px;
}

@media (max-width: 900px) {
    .qs-grid--2,
    .qs-grid--4 {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 600px) {
    .qs-hero {
        padding: 2.2rem 0.9rem 1.5rem;
    }

    .qs-section {
        padding: 2.2rem 0.9rem;
    }

    .qs-grid--2,
    .qs-grid--4 {
        grid-template-columns: 1fr;
    }

    .qs-hero__actions {
        flex-direction: column;
    }

    .qs-hero__actions .boton {
        width: 100%;
    }

    .qs-partners {
        grid-template-columns: 1fr;
    }
}