/* =====================================================================
   Layout — page regions (header, hero, reviews, footer)
   ===================================================================== */

/* ---- Site header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: rgba(11, 11, 13, 0.6);
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block: var(--space-md);
}

/* ---- Hero ---- */
.hero {
    padding-block: var(--space-3xl) var(--space-md);
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
}

.hero__content {
    max-width: 34rem;
}

.hero__visual {
    display: flex;
    justify-content: center;
}

/* ---- Reviews section ---- */
.reviews {
    padding-block: var(--space-md) var(--space-3xl);
}

.reviews__header {
    text-align: center;
    max-width: 40rem;
    margin-inline: auto;
    margin-bottom: var(--space-xl);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* ---- Footer ---- */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-xl);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--fs-200);
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.site-footer__links a:hover {
    color: var(--color-text);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .hero__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        margin-inline: auto;
    }

    .hero__visual {
        order: -1;
    }

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

@media (max-width: 520px) {
    .hero {
        padding-block: var(--space-xl) var(--space-md);
    }

    .site-header__inner {
        gap: var(--space-sm);
    }

    .reviews__grid {
        grid-template-columns: 1fr;
    }
}