.watts-amps-calc__mode-zone {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.calc__radio-zone {
    display: flex;
    flex-direction: column;
}

.calc__radio-label {
    position: relative;
    display: flex;
    padding: 5px 10px;
    border-radius: 5px;
    border: 1px solid #e9e9e9;
    width: 100%;
    margin-bottom: 5px;
    line-height: 21px;
    font-weight: normal;
    cursor: pointer;
    --checkbox-height: 24px;
}

.calc__radio-label.active {
    background-color: whitesmoke;
    border-color: #161cba;
}

.calc__radio-label input[type="radio"] + .checkbox-indicator {
    position: relative;
    margin-right: 10px;
    width: 23px;
    height: 23px;
    background-color: transparent;
    border-radius: 50%;
    border: 1px solid gray;
    flex-shrink: 0;
}

.calc__radio-label input[type="radio"]:checked + .checkbox-indicator {
    border: 2px solid #161cba;
}

.calc__radio-label input[type="radio"]:checked + .checkbox-indicator::after {
    position: absolute;
    display: block;
    content: '';
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: #161cba;
    top: 50%;
    margin-top: -6px;
    left: 4px;
}

.watts-amps-calc__mode-zone .calc__radio-label {
    width: auto;
    flex: 1;
    min-width: 200px;
}

.watts-amps-calc__fields {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 30px;
}

.watts-amps-calc__extra-zone {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0 30px;
}

.watts-amps-calc__power-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.watts-amps-calc__power-row .input-power {
    width: 140px;
}

.calc__power-unit-select {
    min-width: 70px;
    border: 1px solid #3d8ecf;
    padding: 6px 8px;
    border-radius: 3px;
}

.watts-amps-calc .input {
    width: 205px;
    border: 1px solid #3d8ecf;
}

.watts-amps-calc .input-zone {
    margin-bottom: 30px;
}

.watts-amps-calc .calc__network-type-select {
    width: 100%;
    max-width: 320px;
    border: 1px solid #3d8ecf;
    padding: 6px 8px;
    border-radius: 3px;
}

.watts-amps-calc .rezult-zone__num {
    font-size: 28px;
    margin-right: 20px;
}

.watts-amps-calc .rezult-zone__formula {
    color: #888;
    font-size: 16px;
    margin-top: 10px;
}

.watts-amps-popular__group {
    margin-bottom: 30px;
}

.watts-amps-popular__group:last-child {
    margin-bottom: 0;
}

.watts-amps-popular__subtitle {
    margin-bottom: 15px;
    font-size: 18px;
}

.watts-amps-popular__links-slider-wrapper {
    margin: 20px 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
}

.watts-amps-popular__links-slider-wrapper::-webkit-scrollbar {
    height: 8px;
}

.watts-amps-popular__links-slider-wrapper::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.watts-amps-popular__links-slider-wrapper::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 10px;
}

.watts-amps-popular__links-slider-wrapper::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.watts-amps-popular__links-slider {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    min-width: max-content;
}

.watts-amps-popular__link {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    color: #333;
    background-color: #e7f3ff;
    border: 1px solid #0056b3;
    border-radius: 8px;
    white-space: nowrap;
    transition: all 0.3s ease;
    font-size: 16px;
    font-weight: 500;
}

.watts-amps-popular__link:hover {
    background-color: #b3d9ff;
    border-color: #004085;
    color: #002752;
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

@media (max-width: 600px) {
    .watts-amps-popular__link {
        padding: 8px 15px;
        font-size: 14px;
    }

    .watts-amps-popular__links-slider {
        gap: 8px;
    }
}

@media (max-width: 655px) {
    .watts-amps-calc .input-wrapper {
        flex-wrap: wrap;
    }

    .watts-amps-calc .input-zone {
        width: 100%;
    }

    .watts-amps-calc__mode-zone {
        flex-direction: column;
    }

    .watts-amps-calc__mode-zone .calc__radio-label {
        width: 100%;
    }
}

.watts-amps-info,
.watts-amps-faq {
    --wa-blue: #0f0fff;
    --wa-blue-dark: #050a99;
    --wa-cyan: #06bcfb;
    --wa-soft: #f5f9ff;
    --wa-border: #dbeafe;
    --wa-text: #243044;
    --wa-muted: #5f6f89;
    max-width: 1200px;
    margin: 0 auto 35px;
    color: var(--wa-text);
}

.watts-amps-info *,
.watts-amps-faq * {
    box-sizing: border-box;
}

.watts-amps-info__hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 24px;
    align-items: stretch;
    padding: 30px;
    border-radius: 28px;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
    box-shadow: 0 11px 34px -26px rgba(0, 0, 0, 0.75);
    color: #fff;
    overflow: hidden;
    position: relative;
}

.watts-amps-info__hero::before {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    right: -90px;
    top: -110px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
}

.watts-amps-info__hero::after {
    content: "";
    position: absolute;
    width: 170px;
    height: 170px;
    left: 42%;
    bottom: -95px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
}

.watts-amps-info__hero-content,
.watts-amps-info__hero-card {
    position: relative;
    z-index: 1;
}

.watts-amps-info__eyebrow,
.watts-amps-info__tag {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .02em;
}

.watts-amps-info__eyebrow {
    margin-bottom: 14px;
    color: #fff;
    background: rgba(255, 255, 255, 0.17);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.watts-amps-info__tag {
    margin-bottom: 12px;
    color: var(--wa-blue);
    background: #eef6ff;
    border: 1px solid var(--wa-border);
}

.watts-amps-info__title {
    margin: 0 0 16px;
    font-size: 36px;
    line-height: 1.12;
    color: #fff;
}

.watts-amps-info__lead {
    max-width: 720px;
    margin: 0;
    font-size: 22px;
    line-height: 1.45;
    color: rgba(255, 255, 255, .92);
}

.watts-amps-info__hero-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 230px;
    padding: 24px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.26);
    backdrop-filter: blur(10px);
}

.watts-amps-info__formula-big {
    font-size: 42px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -.03em;
}

.watts-amps-info__formula-caption {
    margin-top: 10px;
    color: rgba(255, 255, 255, .86);
    font-size: 16px;
}

.watts-amps-info__mini-result {
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .94);
    color: var(--wa-text);
    font-size: 18px;
}

.watts-amps-info__grid {
    display: grid;
    gap: 18px;
}

.watts-amps-info__grid--intro {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
}

.watts-amps-info__card,
.watts-amps-info__formula-card,
.watts-amps-info__reverse-card {
    background: #fff;
    border: 1px solid var(--wa-border);
    border-radius: 22px;
    box-shadow: 0 11px 34px -30px rgba(0, 0, 0, 0.75);
}

.watts-amps-info__card {
    padding: 22px;
}

.watts-amps-info__card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 16px;
    border-radius: 16px;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}

.watts-amps-info__card h3,
.watts-amps-info__formula-card h3 {
    margin: 0 0 10px;
    font-size: 22px;
    line-height: 1.25;
}

.watts-amps-info__card p,
.watts-amps-info__formula-card p,
.watts-amps-info__explain-text p,
.watts-amps-info__reverse-card p,
.watts-amps-info__section-head p,
.watts-amps-faq__answer p {
    margin: 0;
    font-size: 18px;
    line-height: 1.55;
    color: #4b5870;
}

.watts-amps-info__card p + p,
.watts-amps-info__explain-text p + p {
    margin-top: 12px;
}

.watts-amps-info__section {
    margin-top: 28px;
    padding: 26px;
    border-radius: 28px;
    background: var(--wa-soft);
    border: 1px solid var(--wa-border);
}

.watts-amps-info__section-head {
    margin-bottom: 18px;
}

.watts-amps-info__section-head h2,
.watts-amps-faq__head h2 {
    margin: 0;
    font-size: 30px;
    line-height: 1.2;
    color: var(--wa-text);
}

.watts-amps-info__section-head p {
    max-width: 880px;
    margin-top: 10px;
}

.watts-amps-info__explain {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 20px;
    align-items: center;
}

.watts-amps-info__explain-text {
    padding: 22px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--wa-border);
}

.watts-amps-info__compare {
    display: grid;
    gap: 12px;
}

.watts-amps-info__compare-item {
    padding: 18px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--wa-border);
    box-shadow: 0 11px 34px -30px rgba(0, 0, 0, 0.75);
}

.watts-amps-info__compare-item span {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
    color: var(--wa-muted);
}

.watts-amps-info__compare-item strong {
    font-size: 30px;
    color: var(--wa-blue);
}

.watts-amps-info__compare-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin: 0 auto;
    border-radius: 50%;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    transform: rotate(90deg);
}

.watts-amps-info__formula-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.watts-amps-info__formula-card {
    padding: 22px;
}

.watts-amps-info__formula {
    margin: 14px 0;
    padding: 14px 16px;
    border-radius: 16px;
    background: #eef6ff;
    border: 1px solid var(--wa-border);
    color: var(--wa-blue);
    font-size: 22px;
    line-height: 1.25;
    font-weight: 800;
}

.watts-amps-info__use-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.watts-amps-info__use-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 14px;
    align-items: center;
    padding: 18px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--wa-border);
}

.watts-amps-info__use-item strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border-radius: 16px;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
    color: #fff;
    font-size: 20px;
}

.watts-amps-info__use-item span {
    color: #4b5870;
    font-size: 17px;
    line-height: 1.45;
}

.watts-amps-info__table-wrap {
    overflow-x: auto;
    border-radius: 22px;
    background: #fff;
    border: 1px solid var(--wa-border);
    box-shadow: 0 11px 34px -30px rgba(0, 0, 0, 0.75);
}

.watts-amps-info__table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.watts-amps-info__table th,
.watts-amps-info__table td {
    padding: 15px 16px;
    text-align: left;
    border-bottom: 1px solid #edf4ff;
    font-size: 17px;
}

.watts-amps-info__table th {
    background: #eef6ff;
    color: var(--wa-text);
    font-weight: 800;
}

.watts-amps-info__table td:first-child {
    font-weight: 800;
    color: var(--wa-blue);
}

.watts-amps-info__table tr:last-child td {
    border-bottom: none;
}

.watts-amps-info__note {
    margin-top: 16px;
    padding: 18px 20px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--wa-border);
    font-size: 17px;
    line-height: 1.5;
    color: #4b5870;
}

.watts-amps-info__note strong {
    color: var(--wa-blue);
}

.watts-amps-info__reverse {
    display: grid;
    grid-template-columns: minmax(0, 420px) 1fr;
    gap: 18px;
    align-items: stretch;
}

.watts-amps-info__reverse-card {
    padding: 24px;
}

.watts-amps-info__reverse-card .watts-amps-info__formula-big {
    margin-bottom: 16px;
    color: var(--wa-blue);
}

.watts-amps-info__steps {
    display: grid;
    gap: 12px;
}

.watts-amps-info__step {
    display: flex;
    gap: 14px;
    align-items: center;
    min-height: 76px;
    padding: 16px 18px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--wa-border);
}

.watts-amps-info__step span {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
    color: #fff;
    font-weight: 800;
}

.watts-amps-info__step p {
    margin: 0;
    font-size: 18px;
    line-height: 1.35;
    color: #4b5870;
}

.watts-amps-faq {
    padding: 28px;
    border-radius: 28px;
    background: #fff;
    border: 1px solid var(--wa-border);
    box-shadow: 0 11px 34px -30px rgba(0, 0, 0, 0.75);
}

.watts-amps-faq__head {
    margin-bottom: 18px;
}

.watts-amps-faq__list {
    display: grid;
    gap: 12px;
}

.watts-amps-faq__item {
    border: 1px solid var(--wa-border);
    border-radius: 20px;
    background: var(--wa-soft);
    overflow: hidden;
}

.watts-amps-faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
}

.watts-amps-faq__question::-webkit-details-marker {
    display: none;
}

.watts-amps-faq__question-text {
    font-size: 19px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--wa-text);
}

.watts-amps-faq__icon {
    position: relative;
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(315deg, #06bcfb 0%, #4884ee 74%);
}

.watts-amps-faq__icon::before,
.watts-amps-faq__icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 15px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transform: translate(-50%, -50%);
}

.watts-amps-faq__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.watts-amps-faq__item[open] .watts-amps-faq__icon::after {
    opacity: 0;
}

.watts-amps-faq__answer {
    padding: 0 20px 20px;
}

.watts-amps-faq__answer > div {
    padding: 18px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid #edf4ff;
}

@media (max-width: 900px) {
    .watts-amps-info__hero,
    .watts-amps-info__explain,
    .watts-amps-info__reverse {
        grid-template-columns: 1fr;
    }

    .watts-amps-info__grid--intro,
    .watts-amps-info__formula-grid {
        grid-template-columns: 1fr;
    }

    .watts-amps-info__use-grid {
        grid-template-columns: 1fr;
    }

    .watts-amps-info__compare-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 540px) {
    .watts-amps-info,
    .watts-amps-faq {
        margin-bottom: 24px;
    }

    .watts-amps-info__hero,
    .watts-amps-info__section,
    .watts-amps-faq {
        padding: 20px 16px;
        border-radius: 22px;
    }

    .watts-amps-info__title {
        font-size: 28px;
    }

    .watts-amps-info__lead {
        font-size: 18px;
    }

    .watts-amps-info__formula-big {
        font-size: 34px;
    }

    .watts-amps-info__section-head h2,
    .watts-amps-faq__head h2 {
        font-size: 25px;
    }

    .watts-amps-info__card p,
    .watts-amps-info__formula-card p,
    .watts-amps-info__explain-text p,
    .watts-amps-info__reverse-card p,
    .watts-amps-info__section-head p,
    .watts-amps-faq__answer p {
        font-size: 16px;
    }

    .watts-amps-info__use-item {
        grid-template-columns: 1fr;
    }

    .watts-amps-faq__question-text {
        font-size: 18px;
    }

    .watts-amps-faq__question {
        padding: 16px;
    }

    .watts-amps-faq__icon {
        flex-basis: 30px;
        width: 30px;
        height: 30px;
    }
}

.calc-static-description {
    max-width: 1200px;
    margin: 0 auto 35px;
    color: #243044;
}

.calc-static-description h2 {
    margin: 0 0 20px;
    font-size: 30px;
    line-height: 1.2;
}

.calc-static-description h3 {
    margin: 28px 0 14px;
    font-size: 22px;
    line-height: 1.25;
}

.calc-static-description p {
    margin: 0 0 16px;
    font-size: 18px;
    line-height: 1.55;
    color: #4b5870;
}

.calc-static-description ul {
    margin: 0 0 16px;
    padding-left: 24px;
}

.calc-static-description li {
    margin-bottom: 12px;
    font-size: 18px;
    line-height: 1.55;
    color: #4b5870;
}

.calc-static-description__note {
    margin: 20px 0;
    padding: 18px 20px;
    border-radius: 20px;
    background: #f5f9ff;
    border: 1px solid #dbeafe;
    font-size: 17px;
    line-height: 1.5;
    color: #4b5870;
}

.calc-static-description__note strong {
    color: #0f0fff;
}

.calc-static-description__table-wrap {
    overflow-x: auto;
    border-radius: 22px;
    background: #fff;
    border: 1px solid #dbeafe;
    box-shadow: 0 11px 34px -30px rgba(0, 0, 0, 0.75);
}

.calc-static-description__table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
}

.calc-static-description__table th,
.calc-static-description__table td {
    padding: 15px 16px;
    text-align: left;
    border-bottom: 1px solid #edf4ff;
    font-size: 17px;
}

.calc-static-description__table th {
    background: #eef6ff;
    color: #243044;
    font-weight: 800;
}

.calc-static-description__table td:first-child {
    font-weight: 800;
    color: #0f0fff;
}

.calc-static-description__table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 540px) {
    .calc-static-description h2 {
        font-size: 25px;
    }

    .calc-static-description h3 {
        font-size: 20px;
    }

    .calc-static-description p,
    .calc-static-description li {
        font-size: 16px;
    }
}