.nph-calculator-form,
.nph-calculator-form .nph-calculator__total {
    --nph-black: #000000;
    --nph-white: #ffffff;
    --nph-red: #ee3a3a;
    --nph-red-hover: #ff5050;
    --nph-gray: #c8c8c2;
    --nph-hover: #181f49;
    font-family: "Europe", sans-serif;
    color: var(--nph-white);
}

.nph-calculator-form {
    position: relative;
    box-sizing: border-box;
    max-width: 720px;
    margin: 0 auto 1.5rem;
    padding: 2.25rem 1.25rem 6.75rem;
    border: 0;
    border-radius: 0;
    background: var(--nph-black);
    box-shadow: none;
    color: var(--nph-white);
}

.nph-calculator-form *,
.nph-calculator-form *::before,
.nph-calculator-form *::after {
    box-sizing: border-box;
}

.nph-calculator-form .nph-calculator__title,
.nph-calculator-form .nph-calculator__legend,
.nph-calculator-form .nph-calculator__field > label {
    margin: 0 0 1.25rem;
    color: var(--nph-white);
    font-family: "Europe", sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    font-style: normal;
    letter-spacing: 0.04em;
    line-height: 1.3;
    text-transform: uppercase;
}

.nph-calculator-form .nph-calculator__title {
    margin: 0 0 2rem;
    text-align: center;
}

.nph-calculator-form .nph-calculator__legend,
.nph-calculator-form .nph-calculator__field > label {
    display: block;
    float: none;
    width: auto;
    padding: 0;
}

.nph-calculator-form .nph-calculator__field,
.nph-calculator-form .nph-calculator__group,
.nph-calculator-form .nph-calculator__terms {
    margin: 0 0 1.75rem;
}

.nph-calculator-form .nph-calculator__field input[type="text"],
.nph-calculator-form .nph-calculator__field input[type="email"],
.nph-calculator-form .nph-calculator__field input[type="tel"],
.nph-calculator-form .nph-calculator__field input[type="number"] {
    width: 100%;
    padding: 1rem 0.25rem;
    border: 0;
    border-bottom: 1px solid var(--nph-red);
    border-radius: 0;
    background: transparent;
    color: var(--nph-white);
    font-family: "Europe", sans-serif;
    font-size: 1rem;
    font-weight: normal;
    outline: none;
}

.nph-calculator-form .nph-calculator__field input::placeholder {
    color: var(--nph-gray);
}

.nph-calculator-form .nph-calculator__field input:focus {
    border-bottom-color: var(--nph-white);
    box-shadow: none;
}

.nph-calculator-form .nph-calculator__group {
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.nph-calculator-form .nph-calculator__options,
.nph-calculator-form .nph-calculator__options--radio {
    display: flex;
    flex-direction: column;
    gap: 0;
    width: 100%;
}

.nph-calculator-form .nph-calculator__option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.9rem;
    width: 100%;
    margin: 0;
    padding: 1.1rem 0.5rem;
    border: 0;
    border-bottom: 1px solid var(--nph-red);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--nph-white);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.nph-calculator-form .nph-calculator__option:hover,
.nph-calculator-form .nph-calculator__option:has(input:checked) {
    background: var(--nph-hover);
}

.nph-calculator-form .nph-calculator__option input {
    position: static;
    width: 1.1rem;
    height: 1.1rem;
    margin: 0;
    padding: 0;
    flex: 0 0 auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
    appearance: auto;
    accent-color: var(--nph-red);
    cursor: pointer;
}

.nph-calculator-form .nph-calculator__option-label {
    flex: 1 1 auto;
    color: var(--nph-white);
    font-family: "Europe", sans-serif;
    font-size: 1rem;
    font-weight: normal;
    line-height: 1.45;
}

.nph-calculator-form .nph-calculator__option-meta {
    flex: 0 0 auto;
    color: var(--nph-gray);
    font-family: "Europe", sans-serif;
    font-size: 0.9rem;
    font-weight: normal;
    white-space: nowrap;
}

.nph-calculator-form .nph-summary-container {
    margin: 0 0 1.5rem;
}

.nph-calculator-form .nph-summary-empty {
    margin: 0;
    padding: 1.25rem 0.5rem;
    border-bottom: 1px solid var(--nph-red);
    color: var(--nph-gray);
    font-size: 0.95rem;
    font-weight: normal;
    line-height: 1.5;
}

.nph-calculator-form .nph-summary-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nph-calculator-form .nph-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    width: 100%;
    margin: 0;
    padding: 1rem 0.35rem;
    border-bottom: 1px solid var(--nph-red);
}

.nph-calculator-form .nph-summary-item__label {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--nph-white);
    font-size: 1rem;
    font-weight: normal;
    line-height: 1.4;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.nph-calculator-form .nph-summary-item__actions {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 15px;
}

.nph-calculator-form .nph-summary-item__price {
    flex: 0 0 auto;
    color: var(--nph-gray);
    font-size: 0.95rem;
    font-weight: normal;
    white-space: nowrap;
}

.nph-calculator-form .nph-summary-remove {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid var(--nph-red);
    border-radius: 50%;
    background: transparent;
    color: var(--nph-red);
    font-family: "Europe", sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
}

.nph-calculator-form .nph-summary-remove:hover {
    background: var(--nph-red);
    color: var(--nph-white);
}

.nph-calculator-form .nph-summary-item--info .nph-summary-item__label {
    color: var(--nph-gray);
}

.nph-calculator-form .nph-calculator__terms label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 0;
    color: var(--nph-white);
    font-family: "Europe", sans-serif;
    font-size: 0.95rem;
    font-weight: normal;
    line-height: 1.5;
    cursor: pointer;
}

.nph-calculator-form .nph-calculator__terms input {
    margin-top: 0.2rem;
    width: 1.1rem;
    height: 1.1rem;
    flex: 0 0 auto;
    accent-color: var(--nph-red);
}

.nph-calculator-form .nph-calculator__progress {
    margin: 0 0 1.5rem;
    color: var(--nph-gray);
    font-family: "Europe", sans-serif;
    font-size: 0.8rem;
    font-weight: normal;
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
}

.nph-calculator-form .nph-calculator__stage {
    min-height: 340px;
}

.nph-calculator-form .nph-step {
    display: none;
}

.nph-calculator-form .nph-step.active {
    display: block;
    animation: nph-step-fade 0.4s ease;
}

@keyframes nph-step-fade {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

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

.nph-calculator-form .nph-calculator__skip-hint {
    margin: 2rem 0 0.5rem;
    color: var(--nph-gray);
    font-family: "Europe", sans-serif;
    font-size: 0.82rem;
    font-weight: normal;
    line-height: 1.45;
    text-align: center;
}

.nph-calculator-form .nph-step-skip {
    display: block;
    width: 100%;
    margin: 0 0 1.25rem;
    padding: 0.4rem 0;
    border: 0;
    background: transparent;
    color: var(--nph-gray);
    font-family: "Europe", sans-serif;
    font-size: 0.85rem;
    font-weight: normal;
    letter-spacing: 0.02em;
    text-align: center;
    text-decoration: none;
    text-transform: none;
    cursor: pointer;
}

.nph-calculator-form .nph-step-skip:hover {
    color: var(--nph-white);
    background: transparent;
}

.nph-calculator-form .nph-calculator__nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.25rem 1.75rem;
    margin: 2rem 0 0;
}

.nph-calculator-form .nph-calculator__skip-hint + .nph-step-skip + .nph-calculator__nav,
.nph-calculator-form .nph-step-skip + .nph-calculator__nav {
    margin-top: 0.35rem;
}

.nph-calculator-form .nph-calculator__nav button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0.95rem 1.85rem;
    border: 0;
    border-radius: 0;
    font-family: "Europe", sans-serif;
    font-size: 0.95rem;
    font-weight: 900;
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.nph-calculator-form .nph-step-prev {
    flex: 0 0 auto;
    min-height: auto;
    padding: 0.4rem 0;
    border-bottom: 2px solid var(--nph-red);
    background: transparent;
    color: var(--nph-white);
    font-size: 0.9rem;
    font-weight: normal;
    letter-spacing: 0.06em;
    text-decoration: none;
    transform: none;
}

.nph-calculator-form .nph-step-prev:hover {
    color: var(--nph-gray);
    background: transparent;
    border-bottom-color: var(--nph-red);
}

.nph-calculator-form .nph-step-prev span {
    display: inline-block;
    transform: none;
}

.nph-calculator-form .nph-step-next,
.nph-calculator-form .nph-calculator__nav button[type="submit"] {
    flex: 0 1 auto;
    min-width: 200px;
    background: var(--nph-red);
    color: var(--nph-white);
    transform: skewX(-15deg);
}

.nph-calculator-form .nph-step-next:hover,
.nph-calculator-form .nph-calculator__nav button[type="submit"]:hover {
    background: var(--nph-red-hover);
}

.nph-calculator-form .nph-step-next span,
.nph-calculator-form .nph-calculator__nav button[type="submit"] span {
    display: inline-block;
    transform: skewX(15deg);
}

.nph-calculator-form .nph-calculator__nav button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.nph-calculator-form .nph-calculator__message {
    margin: 1.25rem 0 0;
    padding: 0.9rem 1rem;
    border: 1px solid var(--nph-gray);
    border-radius: 0;
    font-family: "Europe", sans-serif;
    font-weight: normal;
}

.nph-calculator-form .nph-calculator__message:empty,
.nph-calculator-form .nph-calculator__message[hidden] {
    display: none;
}

.nph-calculator-form .nph-calculator__message--success {
    border-color: var(--nph-red);
    background: #181f49;
    color: var(--nph-white);
}

.nph-calculator-form .nph-calculator__message--error {
    border-color: var(--nph-red);
    background: #1a0808;
    color: var(--nph-white);
}

.nph-calculator-form .nph-calculator__total {
    position: fixed;
    left: 50%;
    bottom: 16px;
    z-index: 40;
    width: calc(100% - 32px);
    max-width: 720px;
    margin: 0;
    padding: 1.1rem 1.35rem;
    border-radius: 0;
    background: var(--nph-red);
    box-shadow: 0 12px 30px rgba(238, 58, 58, 0.35);
    color: var(--nph-white);
    font-family: "Europe", sans-serif;
    font-size: 1.05rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
    transform: translateX(-50%);
}

@media (min-width: 640px) {
    .nph-calculator-form {
        padding: 2.75rem 2rem 7rem;
    }
}

@media (max-width: 639px) {
    .nph-calculator-form {
        padding: 1.5rem 1rem 6.75rem;
    }

    .nph-calculator-form .nph-calculator__title,
    .nph-calculator-form .nph-calculator__legend,
    .nph-calculator-form .nph-calculator__field > label {
        font-size: 1.25rem;
    }

    .nph-calculator-form .nph-calculator__nav {
        flex-direction: column;
    }

    .nph-calculator-form .nph-step-next,
    .nph-calculator-form .nph-calculator__nav button[type="submit"] {
        width: 100%;
    }

    .nph-calculator-form .nph-calculator__option {
        min-height: 52px;
        padding: 1rem 0.4rem;
    }

    .nph-calculator-form .nph-summary-item {
        align-items: flex-start;
    }

    .nph-calculator-form .nph-summary-item__actions {
        flex-shrink: 0;
        padding-top: 0.1rem;
    }
}