/* ==========================================================================
   BCC About Us — Growth System
   ========================================================================== */

.bcc-about-system {
    position: relative;
    overflow: hidden;
    padding: clamp(5rem, 9vw, 8.5rem) 1.5rem;
    background: var(--bcc-color-background, #F5F1F7);
    color: var(--bcc-color-primary, #0D2230);
}

.bcc-about-system *,
.bcc-about-system *::before,
.bcc-about-system *::after {
    box-sizing: border-box;
}

.bcc-about-system__inner {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
}

/* Section heading */

.bcc-about-system__header {
    max-width: 850px;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.bcc-about-system__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0 0 1.5rem;
    color: rgb(13 34 48 / 70%);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    line-height: 1.4;
    text-transform: uppercase;
}

.bcc-about-system__eyebrow::before {
    width: 1.75rem;
    height: 2px;
    flex-shrink: 0;
    background: var(--bcc-color-accent, #F4D738);
    content: "";
}

.bcc-about-system__heading {
    max-width: 800px;
    margin: 0 0 1.5rem;
    color: var(--bcc-color-primary, #0D2230);
    font-size: clamp(2.75rem, 5.5vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.065em;
    line-height: 1;
    text-wrap: balance;
}

.bcc-about-system__heading span {
    display: block;
    margin-top: 0.16em;
    color: rgb(13 34 48 / 58%);
}

.bcc-about-system__description {
    max-width: 580px;
    margin: 0;
    color: rgb(13 34 48 / 72%);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    line-height: 1.8;
}

/* Cards */

.bcc-about-system__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.bcc-about-system-card {
    display: flex;
    min-width: 0;
    min-height: 310px;
    flex-direction: column;
    align-items: flex-start;
    padding: clamp(1.5rem, 2.5vw, 2.25rem);
    border: 1px solid rgb(13 34 48 / 14%);
    background: var(--bcc-color-surface, #F6F7F5);
    transition:
        border-color 220ms ease,
        background-color 220ms ease;
}

.bcc-about-system-card:hover {
    border-color: rgb(13 34 48 / 30%);
}

.bcc-about-system-card__top {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    margin-bottom: auto;
    padding-bottom: 3.5rem;
}

.bcc-about-system-card__number {
    color: rgb(13 34 48 / 55%);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    font-variant-numeric: tabular-nums;
}

.bcc-about-system-card__marker {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    place-items: center;
    border: 1px solid rgb(13 34 48 / 20%);
    border-radius: 50%;
    color: var(--bcc-color-primary, #0D2230);
    font-size: 1.25rem;
    line-height: 1;
    transition:
        color 220ms ease,
        background-color 220ms ease,
        border-color 220ms ease;
}

.bcc-about-system-card:hover .bcc-about-system-card__marker {
    border-color: var(--bcc-color-primary, #0D2230);
    color: var(--bcc-color-background, #F5F1F7);
    background: var(--bcc-color-primary, #0D2230);
}

.bcc-about-system-card__title {
    margin: 0 0 1rem;
    color: var(--bcc-color-primary, #0D2230);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.045em;
    line-height: 1.15;
    text-wrap: balance;
}

.bcc-about-system-card__description {
    max-width: 360px;
    margin: 0;
    color: rgb(13 34 48 / 72%);
    font-size: 0.9375rem;
    line-height: 1.8;
}

/* Tablet */

@media (max-width: 900px) {
    .bcc-about-system {
        padding-inline: 1.25rem;
    }

    .bcc-about-system__heading {
        font-size: clamp(2.75rem, 7vw, 4.5rem);
    }

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

    .bcc-about-system-card {
        min-height: 290px;
    }

    .bcc-about-system-card:last-child {
        grid-column: 1 / -1;
        min-height: 250px;
    }
}

/* Mobile */

@media (max-width: 560px) {
    .bcc-about-system {
        padding: 4.5rem 1.125rem;
    }

    .bcc-about-system__eyebrow {
        margin-bottom: 1.125rem;
        font-size: 0.6875rem;
    }

    .bcc-about-system__header {
        margin-bottom: 2.25rem;
    }

    .bcc-about-system__heading {
        margin-bottom: 1.25rem;
        font-size: clamp(2.35rem, 10vw, 3.5rem);
        line-height: 1.03;
    }

    .bcc-about-system__description {
        font-size: 0.975rem;
        line-height: 1.7;
    }

    .bcc-about-system__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.875rem;
    }

    .bcc-about-system-card,
    .bcc-about-system-card:last-child {
        grid-column: auto;
        min-height: 250px;
        padding: 1.5rem;
    }

    .bcc-about-system-card__top {
        padding-bottom: 2.75rem;
    }

    .bcc-about-system-card__title {
        margin-bottom: 0.875rem;
        font-size: 1.75rem;
    }

    .bcc-about-system-card__description {
        font-size: 0.9375rem;
    }
}

/* Reduced Motion */

@media (prefers-reduced-motion: reduce) {
    .bcc-about-system-card,
    .bcc-about-system-card__marker {
        transition: none;
    }
}