.solution-calc {
    padding: 1.6rem 0 4.8rem;
}

.solution-calc__card {
    padding: 2.4rem;
    border: .1rem solid #ece7d8;
    border-radius: 2.4rem;
    background: #fff;
    box-shadow: 0 1.2rem 4rem rgba(20, 20, 20, .05);
}

.solution-calc__tabs {
    display: flex;
    gap: .8rem;
    margin-bottom: 2.4rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.solution-calc__tabs::-webkit-scrollbar {
    display: none;
}

.solution-calc__tab {
    flex: none;
    min-height: 4.4rem;
    padding: 0 1.6rem;
    border: .1rem solid #eee;
    border-radius: 999px;
    background: #fff;
    color: #141414;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.solution-calc__tab.is-active {
    border-color: #ffe14a;
    background: #ffe14a;
}

.solution-calc__top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 28rem);
    gap: 2.4rem;
    align-items: center;
    margin-bottom: 2.4rem;
}

.solution-calc__title {
    margin: 0 0 1rem;
    font-family: Sora, system-ui, sans-serif;
    font-size: 3.2rem;
    line-height: 1.15;
}

.solution-calc__text {
    max-width: 68rem;
    margin: 0;
    color: #3a3a3a;
}

.solution-calc__features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.solution-calc__features li {
    display: flex;
    align-items: center;
    gap: .8rem;
    font-weight: 700;
}

.solution-calc__features li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: #ffe14a;
    font-size: 1.2rem;
    flex: none;
}

.solution-calc__controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
}

.solution-calc__field {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    min-width: 0;
    color: #6d6d6d;
    font-size: 1.4rem;
}

.solution-calc__field[hidden] {
    display: none !important;
}

.solution-calc__field select,
.solution-calc__unit {
    width: 100%;
    min-height: 5.2rem;
    padding: .8rem 1.4rem;
    border: .1rem solid #ececec;
    border-radius: 1.4rem;
    background: #fff;
    color: #141414;
    font: inherit;
    font-size: 1.6rem;
    font-weight: 700;
}

.solution-calc__unit {
    justify-content: center;
    background: #fafafa;
}

.solution-calc__unit strong {
    font-size: 2rem;
}

.solution-calc__slider,
.solution-calc__marks {
    min-width: 0;
    max-width: 100%;
}

.solution-calc__slider {
    margin-top: 1.6rem;
}

.solution-calc__slider input[type="range"] {
    width: 100%;
    margin: 0;
    accent-color: #f5b400;
    cursor: pointer;
}

.solution-calc__marks {
    display: flex;
    justify-content: space-between;
    gap: .8rem;
    margin-top: .6rem;
    overflow-x: auto;
}

.solution-calc__marks button,
.solution-calc__chips button {
    flex: none;
    border: 0;
    background: transparent;
    color: #8a8a8a;
    font: inherit;
    font-size: 1.3rem;
    cursor: pointer;
}

.solution-calc__marks button.is-active {
    color: #141414;
    font-weight: 700;
}

.solution-calc__chips {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    min-height: 3.6rem;
    margin-top: 1.6rem;
}

.solution-calc__chips button {
    min-height: 3.6rem;
    padding: 0 1.2rem;
    border: .1rem solid #eee;
    border-radius: 999px;
    background: #fff;
    color: #141414;
    font-weight: 700;
}

.solution-calc__chips button.is-active {
    border-color: #ffe14a;
    background: #ffe14a;
}

.solution-calc__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: .1rem solid #f3f3f3;
}

.solution-calc__discount {
    margin: 0 0 .4rem;
    color: #8a6200;
    font-weight: 700;
}

.solution-calc__total {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: .8rem 1.2rem;
    margin: 0;
}

.solution-calc__total span {
    color: #3a3a3a;
}

.solution-calc__total strong {
    font-family: Sora, system-ui, sans-serif;
    font-size: 3.2rem;
    line-height: 1;
}

.solution-calc__total s {
    color: #9a9a9a;
    font-size: 1.8rem;
}

.solution-calc__buy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .8rem;
    min-height: 5.2rem;
    padding: 0 2.2rem;
    border-radius: 999px;
    background: #ffe14a;
    color: #141414;
    font-weight: 700;
    text-decoration: none;
    flex: none;
}

.solution-calc__buy:hover {
    background: #ffd61d;
}

@media (max-width: 900px) {
    .solution-calc__top,
    .solution-calc__controls,
    .solution-calc__footer {
        grid-template-columns: 1fr;
        display: grid;
    }

    .solution-calc__footer {
        align-items: stretch;
    }

    .solution-calc__title,
    .solution-calc__total strong {
        font-size: 2.6rem;
    }
}

@media (max-width: 600px) {
    .solution-calc__card {
        padding: 1.6rem;
        border-radius: 1.8rem;
    }

    .solution-calc__marks button {
        font-size: 1.1rem;
    }
}