/* About section — #om-os. Layout structure (bordered quote box, 3-col
   advantage grid, icon-box hover bg swap) transcribed from export CSS;
   3 intro paragraphs + quote replace the mockup's lorem-ipsum. */

.about {
    padding-block: var(--section-pad);
}

.about__intro {
    display: flex;
    flex-direction: column;
    gap: var(--space-16);
    max-width: 760px;
    margin-top: var(--space-32);
}

.about__intro p {
    margin: 0;
    color: var(--secondary);
    line-height: 1.6;
}

.about__quote {
    margin: var(--space-40) 0 0;
    padding: var(--space-56) var(--space-24);
    border: 1px solid var(--neutral-800);
    border-radius: var(--radius-lg);
    background-image: var(--quote-icon-url);
    background-repeat: no-repeat;
    background-position: 16px 16px;
    background-size: 32px 32px;
}

.about__quote p {
    margin: 0;
    color: var(--primary);
    font-size: var(--text-h4);
    font-style: italic;
    line-height: 1.6;
    text-align: center;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    margin-top: var(--space-40);
}

@media (min-width: 560px) {
    .about__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .about__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-32);
    }
}

/* Card values measured off the rendered export (owner note 2026-07-18 —
   the first pass invented its own proportions):
     card    transparent, 1.5px neutral-800 border, radius 16, no padding
     header  neutral-200 (→ neutral-400 on hover), radius 8, margin 8px 8px 0,
             80px tall, text at 28px from the left, icon 48px at the right
     text    24px 36px 36px margins, 18px/28 secondary */
.advantage-card {
    display: flex;
    flex-direction: column;
    border: 1.5px solid var(--neutral-800);
    border-radius: var(--radius-lg);
}

.advantage-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-16);
    height: 80px;
    margin: var(--space-8) var(--space-8) 0;
    padding: 0 var(--space-16) 0 var(--space-20);
    border-radius: var(--radius-sm);
    background: var(--neutral-200);
    transition: background-color var(--motion-micro);
}

@media (min-width: 768px) {
    .advantage-card__header {
        padding-left: var(--space-28);
    }
}

.advantage-card:hover .advantage-card__header {
    background: var(--neutral-400);
}

.advantage-card__title {
    min-width: 0;
    margin: 0;
    color: var(--primary);
    font-size: var(--text-h4);
    font-weight: 600;
    line-height: 1.1;
}

.advantage-card__icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-card__icon {
    width: 40px;
    height: 40px;
}

@media (min-width: 768px) {
    .advantage-card__icon {
        width: 48px;
        height: 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .advantage-card__header {
        transition: none;
    }
}

.advantage-card__text {
    margin: var(--space-24) var(--space-20) var(--space-24);
    color: var(--secondary);
    font-size: var(--text-base);
    line-height: 28px;
}

@media (min-width: 768px) {
    .advantage-card__text {
        margin: var(--space-24) var(--space-36) var(--space-36);
    }
}