:root {
    --page-bg: #f4f6f8;
    --panel: #ffffff;
    --ink: #18212b;
    --muted: #607081;
    --accent: #b11f2a;
    --border: #d7dee6;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(177, 31, 42, 0.08), transparent 26%),
        linear-gradient(180deg, #fbfcfd 0%, var(--page-bg) 100%);
}

body {
    min-height: 100vh;
}

.site-shell {
    box-sizing: border-box;
    width: 80vw;
    max-width: 1360px;
    margin: 0 auto;
}

main.site-shell {
    margin-top: 16px;
    padding-bottom: 24px;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: inline-block;
    padding: 12px 0;
    text-decoration: none;
}

.brand__logo {
    display: block;
    width: auto;
    height: 42px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-nav__link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 14px;
    border: 1px solid #e4b4b8;
    border-radius: 10px;
    background: #fff8f9;
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
}

.site-nav__link:hover,
.site-nav__link:focus {
    border-color: var(--accent);
}

.hero {
    margin: 56px 0;
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--panel);
    box-shadow: 0 12px 40px rgba(28, 26, 23, 0.06);
}

.eyebrow {
    margin: 0 0 12px;
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}

h1 {
    margin: 0;
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.05;
}

.lead {
    max-width: 640px;
    margin: 20px 0 0;
    font-size: 20px;
    line-height: 1.6;
}

.meta {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 15px;
}

.page-intro {
    margin: 40px 0 24px;
}

.page-title {
    margin-bottom: 12px;
}

.page-subtitle {
    max-width: 840px;
    margin: 0;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.6;
}

.panel {
    box-sizing: border-box;
    margin: 0 0 16px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--panel);
    box-shadow: 0 18px 42px rgba(24, 33, 43, 0.06);
}

.top-panels {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: stretch;
    width: 100%;
    max-width: none;
    margin: 0 auto 10px;
}

.panel--half {
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
}

.panel--result {
    width: 100%;
    margin: 16px auto 0;
}

.panel-heading {
    margin-bottom: 12px;
}

.panel-heading h2 {
    margin: 0 0 4px;
    font-size: 22px;
}

.panel-heading p {
    margin: 0;
    color: var(--muted);
    line-height: 1.35;
    font-size: 13px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.form-grid--company {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    flex: 1;
    grid-template-rows: repeat(3, auto) minmax(88px, 1fr);
    align-content: stretch;
}

.form-grid--compact {
    gap: 16px 12px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.field--full {
    grid-column: 1 / -1;
}

.form-grid--company .field--full {
    height: 100%;
}

.field--secondary {
    opacity: 0.82;
}

.field label,
.question-card label {
    font-size: 14px;
    font-weight: 700;
}

.input {
    width: 100%;
    box-sizing: border-box;
    min-height: 43px;
    padding: 10px 12px;
    border: 1px solid #ccd5df;
    border-radius: 10px;
    background: #fbfcfe;
    color: var(--ink);
    font: inherit;
    font-size: 14px;
    line-height: 1.35;
}

.scoring-select {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.scoring-select--0 {
    background: #fbfcfe;
    border-color: #ccd5df;
    color: var(--ink);
}

.scoring-select--1 {
    background: #fff1f1;
    border-color: #df9a9a;
    color: #18212b;
}

.scoring-select--2 {
    background: #ffe2bf;
    border-color: #e09a52;
    color: #18212b;
}

.scoring-select--3 {
    background: #fff6cc;
    border-color: #d9be54;
    color: #18212b;
}

.scoring-select--4 {
    background: #edf8ef;
    border-color: #8cc293;
    color: #18212b;
}

.form-grid--company .input:not(.input--textarea) {
    min-height: 48px;
    padding-top: 12px;
    padding-bottom: 12px;
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(177, 31, 42, 0.12);
}

.input--textarea {
    resize: vertical;
    min-height: 40px;
    height: auto;
    padding-top: 11px;
}

.form-grid--company .field--full .input--textarea {
    height: 100%;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.question-card {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
}

.question-card__top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.score-chip {
    min-width: 34px;
    padding: 4px 8px;
    border-radius: 999px;
    background: #fdecef;
    color: var(--accent);
    text-align: center;
    font-size: 12px;
    font-weight: 700;
}

.question-result {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.question-result--standalone {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.question-result__heading {
    margin-bottom: 10px;
}

.question-result__heading h3 {
    margin: 0;
    font-size: 20px;
}

.question-result__heading p {
    margin: 0;
    color: var(--muted);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fbfcfe;
    font-size: 12px;
    line-height: 1.25;
}

.legend-item strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    color: #fff;
    font-size: 14px;
}

.legend-item--class1 strong {
    background: #d45353;
}

.legend-item--class2 strong {
    background: #d58435;
}

.legend-item--class3 strong {
    background: #c8a12a;
}

.legend-item--class4 strong {
    background: #4e9a54;
}

.lead-result {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #f8fafc;
}

.lead-result--neutral {
    border-color: var(--border);
}

.lead-result--class1 {
    border-color: #d45353;
    background: #fff0f0;
}

.lead-result--class2 {
    border-color: #d58435;
    background: #fff5ea;
}

.lead-result--class3 {
    border-color: #c8a12a;
    background: #fffbe9;
}

.lead-result--class4 {
    border-color: #4e9a54;
    background: #eef9ef;
}

.result-metric {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.result-metric--wide {
    grid-column: 1 / -1;
}

.result-metric__label {
    color: var(--muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.result-metric strong {
    font-size: 24px;
    line-height: 1.2;
}

.result-metric--wide strong {
    font-size: 17px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.lead-form {
    padding-bottom: 8px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.button--primary {
    background: var(--accent);
    color: #fff;
}

.button--primary:hover,
.button--primary:focus {
    background: #8e1821;
}

.button--secondary {
    border-color: #e4b4b8;
    background: #fff8f9;
    color: var(--accent);
}

.button--secondary:hover,
.button--secondary:focus {
    border-color: #b11f2a;
    color: var(--accent);
}

.validation-summary {
    margin: 0 0 10px;
    padding: 10px 12px;
    border: 1px solid #d45353;
    border-radius: 10px;
    background: #fff2f2;
    color: #922f2f;
    font-size: 13px;
}

.save-feedback {
    margin: 0 0 10px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
}

.save-feedback--success {
    border: 1px solid #72b37e;
    background: #edf8ef;
    color: #2f6a38;
}

.save-feedback--info {
    border: 1px solid #bfd0e1;
    background: #f3f7fb;
    color: #31506b;
}

.validation-summary ul {
    margin: 8px 0 0 18px;
    padding: 0;
}

.field-validation {
    color: #922f2f;
    font-size: 12px;
}

.summary-panel {
    margin-top: 4px;
}

.summary-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    margin: 0 0 16px;
}

.summary-filters__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 200px;
}

.summary-filters__group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
}

.summary-filters__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.summary-table-wrap {
    overflow-x: auto;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: #fff;
}

.summary-table th,
.summary-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.summary-table th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #f8fafc;
}

.summary-sort-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: inherit;
    text-decoration: none;
}

.summary-sort-link__arrow {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
}

.summary-sort-link__arrow--up {
    border-bottom: 7px solid var(--accent);
}

.summary-sort-link__arrow--down {
    border-top: 7px solid var(--accent);
}

.summary-table tbody tr:hover {
    background: #fbfcfe;
}

.summary-empty {
    padding: 18px;
    border: 1px dashed var(--border);
    border-radius: 12px;
    background: #fbfcfe;
    color: var(--muted);
}

.summary-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 8px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
}

.summary-badge--class1 {
    background: #d45353;
}

.summary-badge--class2 {
    background: #d58435;
}

.summary-badge--class3 {
    background: #c8a12a;
}

.summary-badge--class4 {
    background: #4e9a54;
}

.summary-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.summary-actions__form {
    margin: 0;
}

.button--small {
    min-height: 34px;
    padding: 7px 12px;
    font-size: 13px;
}

.button--danger {
    background: #fff1f1;
    border-color: #df9a9a;
    color: #8c2323;
}

.button--danger:hover,
.button--danger:focus {
    background: #ffe6e6;
    border-color: #c96f6f;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 640px) {
    .site-header__inner {
        flex-direction: column;
        align-items: center;
        padding: 14px 0;
    }

    .site-nav {
        width: 100%;
        justify-content: center;
    }

    .brand {
        padding: 0;
    }

    .brand__logo {
        height: 38px;
    }

    .hero {
        margin: 32px 0;
        padding: 24px;
        border-radius: 16px;
    }

    main.site-shell {
        margin-top: 18px;
    }

    .lead {
        font-size: 18px;
    }

    .page-intro {
        margin-top: 32px;
    }

    .panel {
        padding: 16px;
    }

    .form-grid,
    .form-grid--company,
    .question-grid,
    .legend-grid,
    .lead-result {
        grid-template-columns: 1fr;
    }

    .top-panels {
        grid-template-columns: 1fr;
    }

    .summary-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .summary-filters__group {
        min-width: 0;
    }

    .question-card__top {
        flex-direction: column;
        align-items: flex-start;
    }

    .result-metric strong {
        font-size: 22px;
    }
}