.portal-platform-panel {
    width: 100%;
    max-width: min(calc(100vw - 0.75rem), 780px);
    margin: 0 auto;
}

/* ── Custom stack carousel ── */
.portal-carousel {
    position: relative;
    width: 100%;
    padding-bottom: 7rem;
}

.portal-carousel__stage {
    position: relative;
    width: 100%;
    height: clamp(12.25rem, 42vw, 15rem);
    overflow: visible;
    touch-action: pan-y;
}

.portal-carousel__dots {
    position: absolute;
    left: 50%;
    bottom: 4rem;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    z-index: 2;
}

.portal-carousel__dot {
    width: 0.5rem;
    height: 0.5rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: var(--portal-accent);
    opacity: 0.35;
    cursor: pointer;
    transition: width 0.35s ease, opacity 0.35s ease;
}

.portal-carousel__dot.is-active {
    width: 1.375rem;
    opacity: 1;
}

.portal-carousel__nav {
    position: absolute;
    bottom: 0;
    z-index: 3;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background-color: var(--portal-accent);
    color: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    -webkit-appearance: none;
    appearance: none;
    isolation: isolate;
    touch-action: manipulation;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.22);
    transition:
        transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
        background-color 0.28s ease,
        box-shadow 0.28s ease;
}

.portal-carousel__nav:hover {
    background-color: var(--portal-accent-hover);
    transform: scale(1.06);
    box-shadow: 0 3px 10px rgba(37, 99, 235, 0.28);
}

.portal-carousel__nav:active {
    transform: scale(0.97);
}

.portal-carousel__nav--prev {
    left: calc(50% - 3rem);
    right: auto;
}

.portal-carousel__nav--next {
    right: calc(50% - 3rem);
    left: auto;
}

/* ── Platform cards ── */
.portal-platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: clamp(182px, 56vw, 220px);
    height: auto;
    padding: 1.45rem 1.1rem 2.1rem;
    text-align: center;
    text-decoration: none;
    color: var(--portal-text-secondary);
    border-radius: 1.25rem;
    background-color: #fff;
    box-shadow: 0 8px 16px hsla(265, 75%, 4%, 0.1);
}

.portal-carousel .portal-platform-card {
    position: absolute;
    left: 50%;
    top: 50%;
    margin: 0;
    transform: translate(-50%, -50%) translateX(0) scale(0.74);
    transform-origin: center center;
    opacity: 0;
    filter: blur(2px);
    z-index: 1;
    pointer-events: none;
    will-change: transform, opacity, filter;
    transition:
        transform 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.8s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.55s ease;
}

.portal-carousel .portal-platform-card[data-offset="0"] {
    transform: translate(-50%, -50%) translateX(0) scale(1.08);
    opacity: 1;
    filter: blur(0);
    z-index: 10;
    pointer-events: auto;
    border: 1px solid rgba(148, 163, 184, 0.3);
    box-shadow: 0 14px 28px hsla(265, 75%, 4%, 0.16);
}

.portal-platform-card--globe { --card-active-rgb: 234, 88, 12; }
.portal-platform-card--hr { --card-active-rgb: 22, 163, 74; }
.portal-platform-card--grid { --card-active-rgb: 124, 58, 237; }
.portal-platform-card--pin { --card-active-rgb: 37, 99, 235; }

.portal-carousel .portal-platform-card[data-offset="0"] {
    border-color: rgba(var(--card-active-rgb, 148, 163, 184), 0.5);
    box-shadow:
        0 14px 28px hsla(265, 75%, 4%, 0.16),
        0 0 0 1px rgba(var(--card-active-rgb, 148, 163, 184), 0.16),
        0 0 16px rgba(var(--card-active-rgb, 148, 163, 184), 0.16);
}

.portal-carousel .portal-platform-card[data-offset="-1"],
.portal-carousel .portal-platform-card[data-offset="1"] {
    opacity: 0.88;
    filter: blur(0);
    z-index: 6;
    pointer-events: auto;
}

html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="-1"] {
    transform: translate(-50%, -50%) translateX(-100%) scale(0.8);
}

html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="1"] {
    transform: translate(-50%, -50%) translateX(100%) scale(0.8);
}

html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="-1"] {
    transform: translate(-50%, -50%) translateX(100%) scale(0.8);
}

html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="1"] {
    transform: translate(-50%, -50%) translateX(-100%) scale(0.8);
}

.portal-carousel .portal-platform-card[data-offset="-2"],
.portal-carousel .portal-platform-card[data-offset="2"] {
    opacity: 0;
    pointer-events: none;
    filter: blur(0);
    z-index: 0;
}

html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="-2"],
html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="2"],
html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="-2"],
html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="2"] {
    transform: translate(-50%, -50%) translateX(0) scale(0.72);
}

.portal-platform-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.7rem;
    height: 3.7rem;
    margin: 0 auto 0.5rem;
    border-radius: 50%;
    border: 4px solid var(--portal-accent);
    flex-shrink: 0;
    background: var(--portal-accent-soft);
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.portal-carousel .portal-platform-card.is-active .portal-platform-card__icon {
    transform: scale(1.06);
}

.portal-platform-card__icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.portal-platform-card__icon--gis {
    color: #ea580c;
    border-color: #ea580c;
    background: rgba(234, 88, 12, 0.12);
}

.portal-platform-card__icon--hr {
    color: #16a34a;
    border-color: #16a34a;
    background: rgba(22, 163, 74, 0.12);
}

.portal-platform-card__icon--projects {
    color: #7c3aed;
    border-color: #7c3aed;
    background: rgba(124, 58, 237, 0.12);
}

.portal-platform-card__icon--esri {
    color: #2563eb;
    border-color: #2563eb;
    background: rgba(37, 99, 235, 0.12);
}

.portal-platform-card__body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    width: 100%;
}

.portal-platform-card__name {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--portal-text);
    width: 100%;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.45s ease;
}

.portal-carousel .portal-platform-card.is-active .portal-platform-card__name {
    color: rgba(var(--card-active-rgb, 37, 99, 235), 1);
}

.portal-platform-card__subtitle {
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--portal-text-muted);
    width: 100%;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Dark mode ── */
[data-theme="dark"] .portal-platform-card {
    background: rgba(28, 28, 38, 0.94);
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.28),
        0 0 22px rgba(59, 130, 246, 0.12);
}

[data-theme="dark"] .portal-carousel .portal-platform-card.is-active {
    box-shadow:
        0 14px 28px rgba(0, 0, 0, 0.35),
        0 0 32px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .portal-carousel__nav {
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.28);
}

body.kc-portal .portal-topbar__start {
    flex: 1;
    justify-content: flex-start;
    flex-wrap: wrap;
}

@media screen and (max-width: 300px) {
    .portal-platform-card {
        width: 178px;
        padding-inline: 0.8rem;
    }

    .portal-carousel .portal-platform-card[data-offset="0"] {
        transform: translate(-50%, -50%) translateX(0) scale(1.05);
    }

    html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="-1"] {
        transform: translate(-50%, -50%) translateX(-86%) scale(0.79);
    }

    html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="1"] {
        transform: translate(-50%, -50%) translateX(86%) scale(0.79);
    }

    html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="-1"] {
        transform: translate(-50%, -50%) translateX(86%) scale(0.79);
    }

    html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="1"] {
        transform: translate(-50%, -50%) translateX(-86%) scale(0.79);
    }
}

@media screen and (max-width: 640px) {
    .portal-carousel {
        padding-bottom: 6.25rem;
    }

    .portal-carousel__stage {
        height: clamp(10.75rem, 54vw, 12.5rem);
        overflow: visible;
    }

    .portal-platform-card {
        width: clamp(158px, 47vw, 186px);
        padding: 1.1rem 0.78rem 1.45rem;
        border-radius: 1rem;
    }

    .portal-platform-card__name {
        font-size: 0.82rem;
        line-height: 1.3;
    }

    .portal-platform-card__subtitle {
        font-size: 0.68rem;
        line-height: 1.25;
    }

    .portal-carousel .portal-platform-card[data-offset="0"] {
        transform: translate(-50%, -50%) translateX(0) scale(1.06);
    }

    html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="-1"] {
        transform: translate(-50%, -50%) translateX(-96%) scale(0.78);
    }

    html[dir="ltr"] .portal-carousel .portal-platform-card[data-offset="1"] {
        transform: translate(-50%, -50%) translateX(96%) scale(0.78);
    }

    html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="-1"] {
        transform: translate(-50%, -50%) translateX(96%) scale(0.78);
    }

    html[dir="rtl"] .portal-carousel .portal-platform-card[data-offset="1"] {
        transform: translate(-50%, -50%) translateX(-96%) scale(0.78);
    }

    .portal-carousel__nav {
        width: 2.35rem;
        height: 2.35rem;
    }

    .portal-carousel__nav--prev {
        left: calc(50% - 2.8rem);
    }

    .portal-carousel__nav--next {
        right: calc(50% - 2.8rem);
    }

    .portal-carousel__dots {
        bottom: 3.85rem;
    }
}

@media screen and (min-width: 640px) {
    .portal-platform-panel {
        max-width: 640px;
    }
}

@media screen and (min-width: 1150px) {
    .portal-platform-panel {
        max-width: 780px;
    }

    .portal-platform-card {
        width: 250px;
        padding: 1.8rem 1.35rem 2.35rem;
        border-radius: 1.5rem;
    }

    .portal-platform-card__subtitle {
        font-size: 0.82rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .portal-carousel .portal-platform-card,
    .portal-carousel .portal-platform-card__icon,
    .portal-carousel__nav {
        transition-duration: 0.01ms;
    }
}