.seniority-calculator {
    padding-top: 18px;
}

.seniority-header {
    max-width: 900px;
    margin: 36px 0 38px;
}

.seniority-kicker,
.seniority-feedback-label {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.seniority-header h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(50px, 7vw, 78px);
    font-weight: 400;
    line-height: 0.98;
    letter-spacing: -0.055em;
    text-wrap: balance;
}

.seniority-lead {
    max-width: 780px;
    margin: 20px 0 0;
    color: var(--muted);
    font-size: clamp(17px, 1.8vw, 20px);
    line-height: 1.6;
}

.seniority-scope {
    margin-bottom: 24px;
    padding: 18px 22px;
    border: 1px solid rgba(31, 95, 74, 0.18);
    border-radius: var(--radius-md);
    background: rgba(237, 247, 242, 0.78);
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    color: var(--muted);
    line-height: 1.6;
}

.seniority-scope strong {
    color: var(--accent-hover);
}

.seniority-form {
    margin: 0;
}

.seniority-panel,
.seniority-feedback {
    min-width: 0;
    padding: clamp(26px, 3.2vw, 40px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.84);
    box-shadow: var(--shadow-soft);
}

.seniority-panel {
    scroll-margin-top: 100px;
}

.seniority-panel-heading {
    margin-bottom: 28px;
}

.seniority-panel h2,
.seniority-feedback h2,
.seniority-feedback h3,
.seniority-feedback h4 {
    margin: 0;
}

.seniority-panel h2 {
    font-family: var(--font-display);
    font-size: clamp(30px, 3.2vw, 42px);
    font-weight: 400;
    line-height: 1.06;
    letter-spacing: -0.04em;
}

.seniority-panel-heading p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
}

.seniority-period-list {
    display: grid;
    gap: 14px;
}

.seniority-period {
    min-width: 0;
    margin: 0;
    padding: 20px;
    border: 1px solid rgba(31, 95, 74, 0.16);
    border-radius: var(--radius-md);
    background: rgba(248, 251, 249, 0.84);
}

.seniority-period legend {
    padding: 0 8px;
    color: var(--accent-hover);
    font-size: 13px;
    font-weight: 800;
}

.seniority-period-grid {
    display: grid;
    grid-template-columns: minmax(240px, 1.4fr) repeat(2, minmax(180px, 1fr));
    gap: 14px;
}

.seniority-period .form-group {
    min-width: 0;
    margin: 0;
}

.seniority-period .form-group label {
    font-size: 14px;
}

.seniority-period input {
    min-height: 52px;
    font-size: 16px;
}

.seniority-limit {
    margin: 14px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.seniority-period-actions {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.seniority-period-actions button {
    min-height: 44px;
}

.seniority-submit {
    width: 100%;
    min-height: 54px;
    margin-top: 20px;
    font-size: 15px;
}

.seniority-feedback {
    margin-top: 24px;
    scroll-margin-top: 100px;
}

.seniority-feedback:focus-visible {
    outline: 3px solid rgba(31, 95, 74, 0.24);
    outline-offset: 4px;
}

.seniority-error {
    border-color: var(--danger-border);
    background: var(--danger-bg);
}

.seniority-error .seniority-feedback-label,
.seniority-error h2,
.seniority-error > p:not(.seniority-feedback-label) {
    color: var(--danger-text);
}

.seniority-error h2,
.seniority-result > h2 {
    font-family: var(--font-display);
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 400;
    line-height: 1.04;
    letter-spacing: -0.045em;
    text-wrap: balance;
}

.seniority-error > p:last-child {
    margin: 18px 0 0;
    line-height: 1.7;
}

.seniority-result {
    background: linear-gradient(145deg, rgba(232, 243, 237, 0.94), rgba(248, 251, 249, 0.96));
}

.seniority-summary-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.seniority-summary-grid > div {
    min-width: 0;
    padding: 22px;
    border: 1px solid rgba(31, 95, 74, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.68);
}

.seniority-summary-grid span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.seniority-summary-grid strong {
    display: block;
    font-size: clamp(21px, 2.3vw, 28px);
    line-height: 1.25;
}

.seniority-threshold-note {
    margin-top: 14px;
    padding: 20px 22px;
    border: 1px solid rgba(31, 95, 74, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.58);
}

.seniority-threshold-note p {
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.65;
}

.seniority-periods-result {
    margin-top: 30px;
}

.seniority-periods-result > h3,
.seniority-download h3 {
    font-size: 18px;
}

.seniority-period-result-list {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.seniority-period-result {
    min-width: 0;
    padding: 22px;
    border: 1px solid rgba(31, 95, 74, 0.16);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.62);
}

.seniority-period-result h4 {
    overflow-wrap: anywhere;
    font-size: 17px;
    line-height: 1.4;
}

.seniority-period-result dl {
    margin: 18px 0 0;
}

.seniority-period-result dl > div {
    padding: 12px 0;
    border-top: 1px solid rgba(31, 95, 74, 0.12);
    display: grid;
    grid-template-columns: minmax(110px, 0.8fr) minmax(0, 1.2fr);
    gap: 16px;
}

.seniority-period-result dt {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.seniority-period-result dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.seniority-overlap-note {
    margin: 10px 0 0;
    padding: 12px 14px;
    border-left: 3px solid var(--danger-border);
    background: var(--danger-bg);
    color: var(--danger-text);
    font-size: 13px;
    line-height: 1.6;
}

.seniority-note {
    margin: 22px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.seniority-download {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(31, 95, 74, 0.16);
    display: flex;
    flex-wrap: wrap;
    gap: 14px 12px;
    align-items: center;
}

.seniority-download h3 {
    flex-basis: 100%;
}

.seniority-download .pdf-brand-option {
    width: fit-content;
    min-height: 42px;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid rgba(31, 95, 74, 0.16);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.68);
    gap: 10px;
    cursor: pointer;
}

.seniority-download .pdf-brand-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.seniority-calculator > .related-articles {
    margin-top: 34px;
}

@media (max-width: 900px) {
    .seniority-period-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .seniority-company-field {
        grid-column: 1 / -1;
    }
}

@media (max-width: 760px) {
    .seniority-calculator {
        padding-top: 0;
    }

    .seniority-header {
        margin: 28px 0 30px;
    }

    .seniority-header h1 {
        font-size: clamp(46px, 13vw, 62px);
    }

    .seniority-summary-grid,
    .seniority-period-result-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 540px) {
    .seniority-header h1 {
        font-size: clamp(41px, 12.5vw, 52px);
    }

    .seniority-panel,
    .seniority-feedback {
        padding: 24px 20px;
        border-radius: var(--radius-md);
    }

    .seniority-period {
        padding: 18px 16px;
    }

    .seniority-period-grid {
        grid-template-columns: 1fr;
    }

    .seniority-company-field {
        grid-column: auto;
    }

    .seniority-period-actions,
    .seniority-period-actions button,
    .seniority-download button,
    .seniority-download .pdf-brand-option {
        width: 100%;
    }

    .seniority-period-result dl > div {
        grid-template-columns: 1fr;
        gap: 5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .seniority-calculator *,
    .seniority-calculator *::before,
    .seniority-calculator *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}