/* ==========================================================================
   About the center — sections + cards (shares diamond identity with Tusi page)
   ========================================================================== */

.about-center__wrapper {
    margin-top: 95px;
    padding-top: 40px;
    padding-bottom: 80px;
}

/* --- Section --- */
.about-section {
    max-width: 900px;
    margin: 0 auto 72px;
}

.about-section:last-child {
    margin-bottom: 0;
}

/* --- Header: diamond + heading, right-aligned --- */
.about-section__header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-direction: row;
}

.about-section__diamond {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    display: inline-flex;
}

.about-section__diamond svg {
    width: 100%;
    height: 100%;
    display: block;
}

.about-section__heading {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: var(--weight-bold);
    color: var(--color-shades-primary);
    margin: 0;
    line-height: 1.3;
}

/* subtle underline accent under the heading row */
.about-section__header::after {
    content: "";
    flex: 1;
    height: 1px;
    background-color: var(--color-shades-quad);
    margin-inline-start: 8px;
}

/* --- Body text --- */
.about-section__body {
    text-align: right;
}

.about-section__body p {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: var(--weight-regular);
    color: var(--color-shades-primary);
    line-height: 1.95;
    margin: 0 0 16px;
}

.about-section__body p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.about-cards {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
}

/* Stack variant (priorities / goals) — full-width rows */
.about-cards--stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Grid variant (departments) — responsive cards */
.about-cards--grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.about-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background-color: var(--color-primary-variant);
    border-right: 3px solid var(--color-primary);
    border-radius: 8px;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.about-card:hover {
    transform: translateY(-3px);
    background-color: var(--color-secondary-variant);
}

.about-card__index {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: var(--weight-bold);
    border-radius: 50%;
}

.about-card__text {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: var(--weight-medium);
    color: var(--color-shades-primary);
    line-height: 1.5;
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

.about-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.about-section.is-visible .about-section__diamond {
    animation: diamond-pop 0.6s ease;
}

@keyframes diamond-pop {
    0% {
        transform: scale(0.4) rotate(-8deg);
        opacity: 0;
    }

    60% {
        transform: scale(1.12) rotate(0deg);
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

/* stagger cards inside a revealed section */
.about-section.is-visible .about-card {
    animation: card-rise 0.5s ease both;
}

.about-section.is-visible .about-card:nth-child(2) {
    animation-delay: 0.05s;
}

.about-section.is-visible .about-card:nth-child(3) {
    animation-delay: 0.10s;
}

.about-section.is-visible .about-card:nth-child(4) {
    animation-delay: 0.15s;
}

.about-section.is-visible .about-card:nth-child(5) {
    animation-delay: 0.20s;
}

.about-section.is-visible .about-card:nth-child(6) {
    animation-delay: 0.25s;
}

.about-section.is-visible .about-card:nth-child(7) {
    animation-delay: 0.30s;
}

.about-section.is-visible .about-card:nth-child(8) {
    animation-delay: 0.35s;
}

@keyframes card-rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {

    .about-section,
    .about-card {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 600px) {
    .about-section__heading {
        font-size: 22px;
    }

    .about-section__diamond {
        width: 38px;
        height: 38px;
    }

    .about-cards--grid {
        grid-template-columns: 1fr;
    }
}