.ehcc-calculator {
    --ehcc-ink: #1a2232;
    --ehcc-muted: #586273;
    --ehcc-accent: #6b35eb;
    --ehcc-accent-dark: #5428bb;
    --ehcc-surface: #ffffff;
    --ehcc-surface-soft: #f7f3ff;
    --ehcc-border: rgba(26, 34, 50, 0.1);
    --ehcc-shadow: 0 18px 45px rgba(84, 40, 187, 0.12);
    color: var(--ehcc-ink);
    margin: 0;
}

.ehcc-calculator__header,
.ehcc-calculator__form,
.ehcc-calculator__result {
    padding: 28px;
    border-radius: 24px;
    background: var(--ehcc-surface);
    box-shadow: var(--ehcc-shadow);
}

.ehcc-calculator__header {
    background:
        radial-gradient(circle at top right, rgba(107, 53, 235, 0.12), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8f4ff 100%);
}

.ehcc-calculator__header h2 {
    margin: 0 0 12px;
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.1;
}

.ehcc-calculator__eyebrow {
    margin: 0 0 10px;
    color: var(--ehcc-accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ehcc-calculator__lead {
    margin: 0;
    color: var(--ehcc-muted);
    font-size: 18px;
    line-height: 1.65;
}

.ehcc-calculator__form {
    margin-top: 22px;
}

.ehcc-calculator__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
}

.ehcc-calculator__field,
.ehcc-calculator__check {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
}

.ehcc-calculator__field span {
    line-height: 1.4;
}

.ehcc-calculator__field input[type="text"],
.ehcc-calculator__field input[type="email"],
.ehcc-calculator__field input[type="tel"],
.ehcc-calculator__field input[type="url"],
.ehcc-calculator__field select {
    width: 100%;
    min-height: 52px;
    padding: 12px 14px;
    border: 1px solid var(--ehcc-border);
    border-radius: 16px;
    background: #fff;
    color: var(--ehcc-ink);
    font: inherit;
    box-sizing: border-box;
}

.ehcc-calculator__contact {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--ehcc-border);
}

.ehcc-calculator__contact-title {
    margin: 0 0 10px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.15;
}

.ehcc-calculator__contact-copy {
    margin: 0 0 18px;
    color: var(--ehcc-muted);
    font-size: 17px;
    line-height: 1.6;
}

.ehcc-calculator__check {
    flex-direction: row;
    align-items: center;
    grid-column: 1 / -1;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--ehcc-border);
    border-radius: 18px;
    background: var(--ehcc-surface-soft);
}

.ehcc-calculator__check input {
    flex: 0 0 auto;
    margin: 0;
}

.ehcc-calculator__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
}

.ehcc-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 12px 26px;
    border: 1px solid transparent;
    border-radius: 999px;
    max-width: 100%;
    font: 600 17px/1.2 "Open Sans", sans-serif;
    text-align: center;
    white-space: normal;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.ehcc-button:hover,
.ehcc-button:focus-visible {
    transform: translateY(-1px);
}

.ehcc-button[disabled] {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.ehcc-button--primary {
    background: linear-gradient(135deg, var(--ehcc-accent-dark) 0%, var(--ehcc-accent) 100%);
    color: #fff;
    box-shadow: 0 12px 24px rgba(84, 40, 187, 0.24);
}

.ehcc-button--ghost {
    background: #fff;
    color: var(--ehcc-accent-dark);
    border-color: rgba(107, 53, 235, 0.18);
    box-shadow: 0 10px 20px rgba(26, 34, 50, 0.08);
}

.ehcc-calculator__result {
    margin-top: 22px;
    border: 1px solid rgba(107, 53, 235, 0.12);
    background:
        radial-gradient(circle at top left, rgba(107, 53, 235, 0.1), transparent 28%),
        #fff;
}

.ehcc-calculator__result-label {
    margin: 0 0 10px;
    color: var(--ehcc-accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ehcc-calculator__result h3 {
    margin: 0 0 8px;
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.05;
}

.ehcc-calculator__plan,
.ehcc-calculator__summary,
.ehcc-calculator__note,
.ehcc-calculator__list li {
    color: var(--ehcc-muted);
    font-size: 17px;
    line-height: 1.65;
}

.ehcc-calculator__plan {
    margin: 0 0 10px;
    font-weight: 700;
    color: var(--ehcc-ink);
}

.ehcc-calculator__summary {
    margin: 0 0 16px;
}

.ehcc-calculator__list {
    margin: 0 0 16px;
    padding-left: 20px;
}

.ehcc-calculator__list li + li {
    margin-top: 8px;
}

.ehcc-calculator__note {
    margin: 0;
}

.ehcc-calculator__message {
    margin: 18px 0 0;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(107, 53, 235, 0.08);
    color: var(--ehcc-accent-dark);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
}

.ehcc-calculator__message.is-error {
    background: rgba(179, 54, 54, 0.1);
    color: #9b2f2f;
}

.ehcc-calculator__message.is-success {
    background: rgba(46, 125, 50, 0.12);
    color: #256f30;
}

.ehcc-calculator__field--honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

@media (max-width: 900px) {
    .ehcc-calculator__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .ehcc-calculator__header,
    .ehcc-calculator__form,
    .ehcc-calculator__result {
        padding: 22px;
        border-radius: 18px;
    }

    .ehcc-calculator__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .ehcc-button {
        width: 100%;
    }
}