.gprc-calculator {
    --gprc-primary: #0e63b2;
    --gprc-accent: #0ea5a8;
    --gprc-deep: #073f73;
    --gprc-ink: #232b33;
    --gprc-muted: #52677a;
    --gprc-soft: #f4f9fc;
    --gprc-line: rgba(14, 99, 178, .18);
    --gprc-danger: #a52626;
    --gprc-success: #16764a;
    --gprc-shadow: 0 18px 48px rgba(6, 63, 115, .10);
    width: min(1180px, calc(100% - 32px));
    margin: 48px auto;
    color: var(--gprc-ink);
    font: inherit;
    line-height: 1.55;
}

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

.gprc-calculator button,
.gprc-calculator input,
.gprc-calculator select,
.gprc-calculator textarea {
    font: inherit;
}

.gprc-intro {
    max-width: 850px;
    margin: 0 0 28px;
}

.gprc-eyebrow,
.gprc-summary__eyebrow {
    margin: 0 0 8px;
    color: var(--gprc-primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.gprc-intro h2,
.gprc-faq h2 {
    margin: 0 0 14px;
    color: var(--gprc-deep);
    font-size: clamp(28px, 3.5vw, 44px);
    line-height: 1.12;
}

.gprc-intro p:last-child {
    margin: 0;
    color: var(--gprc-muted);
    font-size: 17px;
}

.gprc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    gap: 22px;
    align-items: start;
}

.gprc-main {
    display: grid;
    gap: 22px;
}

.gprc-card {
    margin: 0;
    padding: 28px;
    border: 1px solid var(--gprc-line);
    border-radius: 10px;
    background: #fff;
    box-shadow: var(--gprc-shadow);
}

.gprc-section-heading {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 0 0 22px;
}

.gprc-section-heading > span,
.gprc-request > summary > span {
    flex: 0 0 auto;
    color: var(--gprc-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.gprc-section-heading h3 {
    margin: 0;
    color: var(--gprc-ink);
    font-size: 23px;
    line-height: 1.25;
}

.gprc-fields {
    display: grid;
    gap: 16px;
}

.gprc-fields--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gprc-fields--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gprc-field {
    display: grid;
    gap: 7px;
    margin: 0;
}

.gprc-field--depth {
    margin-top: 18px;
}

.gprc-field > span {
    color: var(--gprc-ink);
    font-size: 14px;
    font-weight: 800;
}

.gprc-field small {
    color: var(--gprc-muted);
    font-size: 12px;
    font-weight: 500;
}

.gprc-calculator input:not([type="checkbox"]),
.gprc-calculator select,
.gprc-calculator textarea,
.gprc-output {
    width: 100%;
    min-height: 50px;
    margin: 0;
    padding: 11px 13px;
    border: 1px solid #b8c9d6;
    border-radius: 6px;
    background: #fff;
    color: var(--gprc-ink);
    font-size: 15px;
    line-height: 1.4;
    outline: 0;
}

.gprc-calculator textarea {
    min-height: 110px;
    resize: vertical;
}

.gprc-output {
    display: flex;
    align-items: center;
    background: var(--gprc-soft);
    color: var(--gprc-deep);
    font-weight: 800;
}

.gprc-calculator input:focus,
.gprc-calculator select:focus,
.gprc-calculator textarea:focus {
    border-color: var(--gprc-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--gprc-primary) 16%, transparent);
}

.gprc-tariffs__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.gprc-tariff {
    display: grid;
    min-height: 112px;
    align-content: center;
    gap: 4px;
    padding: 15px;
    border: 1px solid var(--gprc-line);
    border-radius: 8px;
    background: #fff;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.gprc-tariff strong {
    color: var(--gprc-deep);
    font-size: 14px;
}

.gprc-tariff span {
    color: var(--gprc-muted);
    font-size: 12px;
}

.gprc-tariff.is-active {
    transform: translateY(-2px);
    border-color: var(--gprc-primary);
    background: color-mix(in srgb, var(--gprc-primary) 7%, #fff);
    box-shadow: 0 8px 20px color-mix(in srgb, var(--gprc-primary) 14%, transparent);
}

.gprc-legal-note {
    margin: 14px 0 0;
    color: var(--gprc-muted);
    font-size: 12px;
}

.gprc-request {
    padding: 0;
    overflow: hidden;
}

.gprc-request > summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 23px 28px;
    color: var(--gprc-ink);
    cursor: pointer;
    list-style: none;
}

.gprc-request > summary::-webkit-details-marker {
    display: none;
}

.gprc-request > summary::after {
    margin-left: auto;
    color: var(--gprc-primary);
    content: "+";
    font-size: 24px;
    line-height: 1;
}

.gprc-request[open] > summary::after {
    content: "−";
}

.gprc-request[open] > summary {
    border-bottom: 1px solid var(--gprc-line);
}

.gprc-request__form {
    display: grid;
    gap: 18px;
    padding: 28px;
}

.gprc-honeypot {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

.gprc-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--gprc-muted);
    font-size: 13px;
}

.gprc-consent input {
    flex: 0 0 auto;
    margin-top: 4px;
}

.gprc-summary {
    position: sticky;
    top: 22px;
    padding: 30px 27px;
    overflow: hidden;
    border-radius: 10px;
    background: linear-gradient(145deg, var(--gprc-deep), var(--gprc-primary));
    color: #fff;
    box-shadow: 0 22px 50px color-mix(in srgb, var(--gprc-primary) 25%, transparent);
}

.gprc-summary::before {
    position: absolute;
    top: -100px;
    right: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--gprc-accent) 35%, transparent);
    content: "";
}

.gprc-summary > * {
    position: relative;
}

.gprc-summary__eyebrow {
    color: rgba(255, 255, 255, .72);
}

.gprc-summary > strong {
    display: block;
    color: #fff;
    font-size: clamp(34px, 4vw, 44px);
    line-height: 1.08;
}

.gprc-summary > strong.gprc-summary__bgn {
    margin-top: 3px;
    font-size: clamp(25px, 3vw, 34px);
}

.gprc-summary dl {
    margin: 25px 0 0;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.gprc-summary dl div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .14);
}

.gprc-summary dt {
    color: rgba(255, 255, 255, .68);
    font-weight: 600;
}

.gprc-summary dd {
    margin: 0;
    color: #fff;
    font-weight: 800;
    text-align: right;
}

.gprc-formula {
    margin: 22px 0 0;
    padding: 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .09);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
}

.gprc-summary__note {
    margin: 14px 0;
    color: rgba(255, 255, 255, .74);
    font-size: 12px;
}

.gprc-button {
    display: inline-flex;
    width: 100%;
    min-height: 47px;
    align-items: center;
    justify-content: center;
    padding: 11px 18px;
    border: 0;
    border-radius: 6px;
    background: var(--gprc-accent);
    color: #fff;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
}

.gprc-button:hover {
    filter: brightness(1.08);
}

.gprc-button:disabled {
    opacity: .65;
    cursor: wait;
}

.gprc-button--submit {
    width: auto;
    min-width: 210px;
    justify-self: start;
    background: var(--gprc-primary);
}

.gprc-contacts {
    display: grid;
    gap: 7px;
    margin-top: 17px;
    padding-top: 17px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.gprc-contacts a {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.gprc-contacts a:hover {
    color: color-mix(in srgb, var(--gprc-accent) 70%, #fff);
}

.gprc-form-result {
    padding: 13px 15px;
    border-radius: 6px;
    background: #e8f7ef;
    color: var(--gprc-success);
    font-weight: 700;
}

.gprc-form-result.is-error {
    background: #fff0f0;
    color: var(--gprc-danger);
}

.gprc-faq {
    margin-top: 48px;
}

.gprc-faq h2 {
    font-size: clamp(25px, 3vw, 34px);
}

.gprc-faq__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.gprc-faq details {
    padding: 18px;
    border: 1px solid var(--gprc-line);
    border-radius: 8px;
    background: #fff;
}

.gprc-faq summary {
    color: var(--gprc-deep);
    font-weight: 800;
    line-height: 1.35;
    cursor: pointer;
}

.gprc-faq p {
    margin: 12px 0 0;
    color: var(--gprc-muted);
    font-size: 14px;
}

@media (max-width: 1000px) {
    .gprc-layout {
        grid-template-columns: 1fr;
    }

    .gprc-summary {
        position: relative;
        top: auto;
        grid-row: 1;
    }

    .gprc-tariffs__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .gprc-fields--three,
    .gprc-fields--two,
    .gprc-faq__grid {
        grid-template-columns: 1fr;
    }

    .gprc-tariffs__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .gprc-calculator {
        width: min(100% - 20px, 1180px);
        margin: 32px auto;
    }

    .gprc-card,
    .gprc-request__form {
        padding: 20px;
    }

    .gprc-request > summary {
        padding: 20px;
    }

    .gprc-section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .gprc-tariffs__grid {
        grid-template-columns: 1fr;
    }

    .gprc-tariff {
        min-height: 0;
    }

    .gprc-button--submit {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gprc-calculator *,
    .gprc-calculator *::before,
    .gprc-calculator *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}