/* section-companies-alphabetic — Directorio A-Z */

.section-companies-alphabetic {
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    overflow-x: clip;
}

/* ---- Page Header ---- */
.companies-alpha-header {
    background: var(--skin-bg-page);
    padding: 80px;
}

.companies-alpha-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 40px;
}

.companies-alpha-breadcrumb {
    display: flex;
    align-items: center;
    font-family: var(--skin-font-primary);
    font-size: 14px;
    font-weight: 400;
    line-height: 17px;
    color: var(--skin-text-muted);
}

.companies-alpha-breadcrumb__item {
    color: var(--skin-text-muted);
    text-decoration: none;
}

.companies-alpha-breadcrumb__item:hover {
    text-decoration: underline;
}

.companies-alpha-breadcrumb__item--current {
    font-weight: 600;
    color: var(--skin-dark-900);
}

.companies-alpha-breadcrumb__sep {
    margin: 0 8px;
    color: var(--skin-text-muted);
}

.companies-alpha-header__title {
    font-family: var(--skin-font-display);
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    color: var(--skin-dark-900);
    max-width: 1152px;
    margin: 0;
}

.companies-alpha-header__subtitle {
    font-family: var(--skin-font-display);
    font-size: 20px;
    font-weight: 500;
    line-height: 29px;
    color: var(--skin-text-muted);
    max-width: 1152px;
    margin: 0;
}

/* ---- Main Content ---- */
.companies-alpha-main {
    background: var(--skin-bg-page);
    padding: 80px;
}

.companies-alpha-main__inner {
    max-width: 1280px;
    margin: 0 auto;
}

.companies-alpha-card {
    background: var(--skin-bg-surface);
    border-radius: 16px;
    box-shadow: 0px 1px 4px 1px rgba(10, 13, 18, 0.1), 0px 1px 7px 0px rgba(10, 13, 18, 0.1);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.companies-alpha-card__title {
    font-family: var(--skin-font-display);
    font-size: 28px;
    font-weight: 600;
    line-height: 34px;
    color: var(--skin-dark-900);
    margin: 0;
}

.companies-alpha-card__subtitle {
    font-family: var(--skin-font-primary);
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    color: var(--skin-text-muted);
    margin: 0;
}

/* ---- Letter Grid ---- */
.companies-alpha-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 12px;
}

.companies-alpha-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    background: var(--skin-bg-surface);
    border: 1px solid var(--skin-border-subtle);
    border-radius: 12px;
    box-shadow: 0px 1px 2px 0px rgba(10, 13, 18, 0.05);
    text-decoration: none;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.companies-alpha-tile:hover {
    background: var(--skin-brand-navy-light);
    border-color: var(--skin-brand-navy);
    box-shadow: 0px 2px 6px 0px rgba(30, 44, 124, 0.15);
}

.companies-alpha-tile__letter {
    font-family: var(--skin-font-display);
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
    color: var(--skin-brand-navy);
}

/* ---- Footer text ---- */
.companies-alpha-card__footer-text {
    font-family: var(--skin-font-primary);
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    color: var(--skin-text-muted);
    margin: 0;
    padding-top: 8px;
    border-top: 1px solid var(--skin-border-subtle);
}

.companies-alpha-card__footer-link {
    color: var(--skin-brand-navy);
    text-decoration: none;
}

.companies-alpha-card__footer-link:hover {
    text-decoration: underline;
}

.companies-alpha-empty {
    font-family: var(--skin-font-primary);
    font-size: 16px;
    color: var(--skin-text-muted);
    text-align: center;
    padding: 32px 0;
    margin: 0;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .companies-alpha-header,
    .companies-alpha-main {
        padding: 60px 40px;
    }
}

@media (max-width: 768px) {
    .companies-alpha-header,
    .companies-alpha-main {
        padding: 40px 16px;
    }

    .companies-alpha-header__title {
        font-size: 28px;
        line-height: 36px;
    }

    .companies-alpha-header__subtitle {
        font-size: 16px;
        line-height: 24px;
    }

    .companies-alpha-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
        gap: 8px;
    }

    .companies-alpha-tile__letter {
        font-size: 20px;
    }
}