.homepage-calculator--engineering {
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 22px;
    border: 1px solid #dfe3e7;
    border-radius: 14px;
    background-color: #f8f9fb;
    box-shadow: 0 18px 42px -34px rgba(28, 37, 46, .55);
}

.homepage-calculator--engineering *,
.homepage-calculator--engineering *::before,
.homepage-calculator--engineering *::after {
    box-sizing: border-box;
}

.homepage-calculator--engineering .calculator-form {
    width: 100%;
}

.homepage-calculator--engineering .calculator-toolbar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 12px;
}

.homepage-calculator--engineering .calculator-mode-switch {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
}

.homepage-calculator--engineering .calculator-mode-button {
    height: 36px;
    padding: 0 14px;
    border: 1px solid #dfe3e7;
    border-radius: 999px;
    background-color: #fff;
    color: #667482;
    font-family: inherit;
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.homepage-calculator--engineering .calculator-mode-button:hover {
    border-color: rgba(255, 72, 91, .42);
    background-color: rgba(255, 72, 91, .08);
    color: var(--color-accent, #ff485b);
}

.homepage-calculator--engineering .calculator-mode-button:focus {
    outline: none;
}

.homepage-calculator--engineering .calculator-mode-button:focus-visible {
    border-color: var(--color-accent, #ff485b);
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .14);
}

.homepage-calculator--engineering .calculator-mode-button.is-active {
    border-color: var(--color-accent, #ff485b);
    background-color: var(--color-accent, #ff485b);
    color: #fff;
}

.homepage-calculator--engineering .calculator-display-wrap {
    position: relative;
    margin-bottom: 14px;
}

.homepage-calculator--engineering .calculator-memory-indicator {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 7px;
    border-radius: 999px;
    background-color: rgba(255, 72, 91, .1);
    color: var(--color-accent, #ff485b);
    font-size: 11px;
    font-weight: 900;
    line-height: 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
    pointer-events: none;
}

.homepage-calculator--engineering .calculator-memory-indicator.is-visible {
    opacity: 1;
    visibility: visible;
}

.homepage-calculator--engineering .calculator-display {
    display: block;
    width: 100%;
    height: 72px;
    padding: 10px 18px 10px 48px;
    border: 1px solid #d9dee3;
    border-radius: 9px;
    background-color: #fff;
    color: #222c38;
    font-family: inherit;
    font-size: 32px;
    font-weight: 900;
    line-height: 48px;
    letter-spacing: 0.01rem;
    text-align: right;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.homepage-calculator--engineering .calculator-display::placeholder {
    color: #a2a8ae;
}

.homepage-calculator--engineering .calculator-display:focus,
.homepage-calculator--engineering .calculator-display:active {
    border-color: rgba(255, 72, 91, .5);
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .12);
}

.homepage-calculator--engineering .engineering-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 10px;
}

.homepage-calculator--engineering .calculator-key {
    min-width: 0;
    min-height: 50px;
    height: 50px;
    padding: 0 9px;
    border: 1px solid #dfe3e7;
    border-radius: 8px;
    background-color: #fff;
    color: #273340;
    font-family: inherit;
    font-size: 14px;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
    text-align: center;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .15s ease, box-shadow .2s ease;
}

.homepage-calculator--engineering .calculator-key:hover {
    border-color: rgba(255, 72, 91, .42);
    color: var(--color-accent, #ff485b);
    box-shadow: 0 10px 22px -18px rgba(28, 37, 46, .45);
}

.homepage-calculator--engineering .calculator-key:active {
    transform: translateY(1px);
    box-shadow: none;
}

.homepage-calculator--engineering .calculator-key:focus {
    outline: none;
}

.homepage-calculator--engineering .calculator-key:focus-visible {
    border-color: var(--color-accent, #ff485b);
    box-shadow: 0 0 0 3px rgba(255, 72, 91, .14);
}

.homepage-calculator--engineering .calculator-key--memory,
.homepage-calculator--engineering .calculator-key--function {
    border-color: #dfe3e7;
    background-color: #f4f5f7;
    color: #667482;
}

.homepage-calculator--engineering .calculator-key--memory:hover,
.homepage-calculator--engineering .calculator-key--function:hover {
    border-color: rgba(255, 72, 91, .42);
    background-color: rgba(255, 72, 91, .08);
    color: var(--color-accent, #ff485b);
}

.homepage-calculator--engineering .calculator-key--operator {
    border-color: #434850;
    background-color: #434850;
    color: #fff;
}

.homepage-calculator--engineering .calculator-key--operator:hover {
    border-color: var(--color-accent, #ff485b);
    background-color: var(--color-accent, #ff485b);
    color: #fff;
}

.homepage-calculator--engineering .calculator-key--equal {
    border-color: var(--color-accent, #ff485b);
    background-color: var(--color-accent, #ff485b);
    color: #fff;
}

.homepage-calculator--engineering .calculator-key--equal:hover {
    border-color: var(--color-accent-dark, #e73b50);
    background-color: var(--color-accent-dark, #e73b50);
    color: #fff;
}

.homepage-calculator--engineering .calculator-key--danger {
    border-color: rgba(255, 72, 91, .35);
    background-color: rgba(255, 72, 91, .08);
    color: var(--color-accent, #ff485b);
}

.homepage-calculator--engineering .calculator-key--danger:hover {
    border-color: var(--color-accent, #ff485b);
    background-color: var(--color-accent, #ff485b);
    color: #fff;
}

@media (max-width: 767px) {
    .homepage-calculator--engineering {
        max-width: 100%;
        padding: 16px;
        border-radius: 12px;
    }

    .homepage-calculator--engineering .calculator-toolbar {
        margin-bottom: 10px;
    }

    .homepage-calculator--engineering .calculator-mode-switch {
        gap: 7px;
    }

    .homepage-calculator--engineering .calculator-mode-button {
        height: 34px;
        padding: 0 12px;
        font-size: 12px;
    }

    .homepage-calculator--engineering .calculator-display-wrap {
        margin-bottom: 12px;
    }

    .homepage-calculator--engineering .calculator-display {
        height: 62px;
        padding-left: 44px;
        font-size: 26px;
        line-height: 42px;
    }

    .homepage-calculator--engineering .calculator-memory-indicator {
        left: 14px;
        min-width: 20px;
        height: 20px;
        font-size: 10px;
    }

    .homepage-calculator--engineering .engineering-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        grid-template-areas:
            "abs x2 sqrt e"
            "percent lpar rpar mplus"
            "xpow yroot ln lg"
            "logy mr mc back"
            "ctg atg acos asin"
            "pi tg cos sin"
            "seven eight nine divide"
            "four five six multiply"
            "one two three minus"
            "zero doublezero dot plus"
            "clear clear equals equals";
        gap: 8px;
    }

    .homepage-calculator--engineering .calculator-key {
        min-height: 46px;
        height: 46px;
        border-radius: 7px;
        font-size: 13px;
        padding: 0 7px;
    }

    .homepage-calculator--engineering .eng-cell--abs { grid-area: abs; }
    .homepage-calculator--engineering .eng-cell--x2 { grid-area: x2; }
    .homepage-calculator--engineering .eng-cell--sqrt { grid-area: sqrt; }
    .homepage-calculator--engineering .eng-cell--e { grid-area: e; }

    .homepage-calculator--engineering .eng-cell--percent { grid-area: percent; }
    .homepage-calculator--engineering .eng-cell--lpar { grid-area: lpar; }
    .homepage-calculator--engineering .eng-cell--rpar { grid-area: rpar; }
    .homepage-calculator--engineering .eng-cell--mplus { grid-area: mplus; }

    .homepage-calculator--engineering .eng-cell--xpow { grid-area: xpow; }
    .homepage-calculator--engineering .eng-cell--yroot { grid-area: yroot; }
    .homepage-calculator--engineering .eng-cell--ln { grid-area: ln; }
    .homepage-calculator--engineering .eng-cell--lg { grid-area: lg; }

    .homepage-calculator--engineering .eng-cell--logy { grid-area: logy; }
    .homepage-calculator--engineering .eng-cell--mr { grid-area: mr; }
    .homepage-calculator--engineering .eng-cell--mc { grid-area: mc; }
    .homepage-calculator--engineering .eng-cell--back { grid-area: back; }

    .homepage-calculator--engineering .eng-cell--ctg { grid-area: ctg; }
    .homepage-calculator--engineering .eng-cell--atg { grid-area: atg; }
    .homepage-calculator--engineering .eng-cell--acos { grid-area: acos; }
    .homepage-calculator--engineering .eng-cell--asin { grid-area: asin; }

    .homepage-calculator--engineering .eng-cell--pi { grid-area: pi; }
    .homepage-calculator--engineering .eng-cell--tg { grid-area: tg; }
    .homepage-calculator--engineering .eng-cell--cos { grid-area: cos; }
    .homepage-calculator--engineering .eng-cell--sin { grid-area: sin; }

    .homepage-calculator--engineering .eng-cell--seven { grid-area: seven; }
    .homepage-calculator--engineering .eng-cell--eight { grid-area: eight; }
    .homepage-calculator--engineering .eng-cell--nine { grid-area: nine; }
    .homepage-calculator--engineering .eng-cell--divide { grid-area: divide; }

    .homepage-calculator--engineering .eng-cell--four { grid-area: four; }
    .homepage-calculator--engineering .eng-cell--five { grid-area: five; }
    .homepage-calculator--engineering .eng-cell--six { grid-area: six; }
    .homepage-calculator--engineering .eng-cell--multiply { grid-area: multiply; }

    .homepage-calculator--engineering .eng-cell--one { grid-area: one; }
    .homepage-calculator--engineering .eng-cell--two { grid-area: two; }
    .homepage-calculator--engineering .eng-cell--three { grid-area: three; }
    .homepage-calculator--engineering .eng-cell--minus { grid-area: minus; }

    .homepage-calculator--engineering .eng-cell--zero { grid-area: zero; }
    .homepage-calculator--engineering .eng-cell--doublezero { grid-area: doublezero; }
    .homepage-calculator--engineering .eng-cell--dot { grid-area: dot; }
    .homepage-calculator--engineering .eng-cell--plus { grid-area: plus; }

    .homepage-calculator--engineering .eng-cell--clear { grid-area: clear; }
    .homepage-calculator--engineering .eng-cell--equals { grid-area: equals; }
}

@media (max-width: 420px) {
    .homepage-calculator--engineering {
        padding: 14px;
        border-radius: 11px;
    }

    .homepage-calculator--engineering .engineering-grid {
        gap: 7px;
    }

    .homepage-calculator--engineering .calculator-key {
        min-height: 43px;
        height: 43px;
        font-size: 12px;
        padding: 0 5px;
    }

    .homepage-calculator--engineering .calculator-display {
        height: 58px;
        font-size: 22px;
        line-height: 38px;
    }

    .homepage-calculator--engineering .calculator-mode-button {
        height: 32px;
        font-size: 11px;
        padding: 0 10px;
    }
}