.materials-section {
    padding: 5rem 8%;
}

.material-slider-card {
    position: relative;
    max-width: 980px;
    min-height: 420px;
    margin: 0 auto;
    padding: 3rem 3.25rem;

    display: grid;
    grid-template-columns: 1.35fr 1fr;
    grid-template-rows: auto auto 1fr;
    column-gap: 3.5rem;
    row-gap: 1.25rem;
    align-items: start;

    overflow: hidden;

    background:
        radial-gradient(circle at top left, rgba(0, 166, 255, 0.16), transparent 34%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)), rgba(6, 18, 32, 0.91);

    border: 1px solid rgba(0, 166, 255, 0.22);
    border-radius: 1.2rem;

    box-shadow:
        0 18px 50px rgba(0, 0, 0, 0.3),
        0 0 24px rgba(0, 166, 255, 0.08),
        inset 0 0 26px rgba(255, 255, 255, 0.025);

    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.material-slider-card:hover {
    border-color: rgba(0, 166, 255, 0.42);

    box-shadow:
        0 22px 60px rgba(0, 0, 0, 0.34),
        0 0 38px rgba(0, 166, 255, 0.13),
        inset 0 0 28px rgba(255, 255, 255, 0.035);
}

.material-slider-top {
    grid-column: 1;
    grid-row: 1;

    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.6rem;
}

.material-label {
    color: #00a6ff;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    font-size: 0.76rem;
    font-weight: 900;
}

.material-slider-top strong {
    color: #ffffff;
    font-size: clamp(4rem, 7vw, 5.6rem);
    line-height: 0.9;
    font-weight: 900;
    letter-spacing: -0.06em;
    text-shadow: 0 0 24px rgba(0, 166, 255, 0.16);
}

#sliderMaterialDescription {
    grid-column: 1;
    grid-row: 2;

    margin: 0;
    max-width: 480px;

    color: #d4deeb;
    font-size: 1.15rem;
    line-height: 1.65;
}

.material-use {
    grid-column: 1;
    grid-row: 3;

    align-self: end;

    margin: 0;
    padding: 0;

    background: none;
    border: none;

    color: #b8c7d8;
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1.55;
}

.material-use strong,
.material-use b {
    display: block;

    margin-bottom: 0.65rem;

    color: #00a6ff;

    font-size: 0.85rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.material-chip-area {
    grid-column: 2;
    grid-row: 1 / span 3;

    height: 100%;
    padding-left: 3.5rem;

    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3rem;

    border-left: 1px solid rgba(255, 255, 255, 0.09);
}

.material-chip-group {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.material-chip-title {
    color: #00a6ff;
    font-size: 0.9rem;
    font-weight: 900;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.material-chip-list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
}

.material-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;

    padding: 0.7rem 1.15rem;

    border-radius: 999px;

    color: #e4ecf7;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.1;

    white-space: nowrap;
}

.material-chip-good {
    background: rgba(0, 166, 255, 0.09);
    border: 1px solid rgba(0, 166, 255, 0.35);
}

.material-chip-bad {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(170, 195, 220, 0.22);
    color: #c9d5e4;
}

.material-slider-card.is-changing .material-slider-top,
.material-slider-card.is-changing #sliderMaterialDescription,
.material-slider-card.is-changing .material-chip-area,
.material-slider-card.is-changing .material-use {
    opacity: 0;
    transform: translateY(8px);
}

.material-slider-top,
#sliderMaterialDescription,
.material-chip-area,
.material-use {
    transition:
        opacity 0.35s ease,
        transform 0.35s ease;
}

/* Tablet */
@media (max-width: 900px) {
    .materials-section {
        padding: 4.5rem 6%;
    }

    .material-slider-card {
        max-width: 100%;
        min-height: 380px;
        padding: 2.25rem;
        grid-template-columns: 1.2fr 1fr;
        column-gap: 2rem;
    }

    .material-chip-area {
        padding-left: 2rem;
    }

    .material-slider-top strong {
        font-size: clamp(3.2rem, 8vw, 4.5rem);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .materials-section {
        padding: 4rem 6%;
    }

    .material-slider-card {
        min-height: auto;
        padding: 1.35rem;

        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1rem;

        border-radius: 0.95rem;
    }

    .material-slider-top,
    #sliderMaterialDescription,
    .material-use,
    .material-chip-area {
        grid-column: auto;
        grid-row: auto;
    }

    .material-slider-top {
        gap: 0.7rem;
    }

    .material-slider-top strong {
        font-size: 2.7rem;
    }

    #sliderMaterialDescription {
        max-width: 100%;
        font-size: 0.98rem;
        line-height: 1.5;
    }

    .material-chip-area {
        height: auto;
        padding-left: 0;
        padding-top: 0.9rem;

        justify-content: flex-start;
        gap: 1rem;

        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .material-chip-group {
        gap: 0.55rem;
    }

    .material-chip-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.45rem;
    }

    .material-chip {
        white-space: normal;
        font-size: 0.82rem;
        padding: 0.42rem 0.62rem;
        gap: 0.35rem;
    }

    .material-use {
        padding-top: 0.8rem;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 0.9rem;
    }

    .material-use strong,
    .material-use b {
        margin-bottom: 0.35rem;
        font-size: 0.72rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .materials-section {
        padding: 3.5rem 5%;
    }

    .material-slider-card {
        padding: 1.1rem;
        gap: 0.85rem;
    }

    .material-label,
    .material-chip-title {
        font-size: 0.64rem;
        letter-spacing: 0.15em;
    }

    .material-slider-top strong {
        font-size: 2.25rem;
    }

    #sliderMaterialDescription {
        font-size: 0.92rem;
    }

    .material-chip {
        font-size: 0.76rem;
        padding: 0.38rem 0.55rem;
    }

    .material-use {
        font-size: 0.85rem;
    }
}