:root {
    --nbme-bg: #f5f7fb;
    --nbme-surface: #ffffff;
    --nbme-surface-muted: #eef3f8;
    --nbme-text: #152033;
    --nbme-muted: #5b677a;
    --nbme-border: #d9e2ec;
    --nbme-primary: #116466;
    --nbme-primary-dark: #0a4d4f;
    --nbme-primary-soft: #e3f3f2;
    --nbme-accent: #d17a22;
    --nbme-success: #16794c;
    --nbme-warning: #a15c00;
    --nbme-danger: #b42318;
    --nbme-shadow: 0 18px 45px rgba(21, 32, 51, 0.10);
    --nbme-radius: 8px;
}

body.nbme-home {
    background: var(--nbme-bg);
    color: var(--nbme-text);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.nbme-home main {
    background: var(--nbme-bg);
}

body.nbme-home a {
    color: inherit;
}

.nbme-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--nbme-border);
    backdrop-filter: blur(12px);
}

.nbme-nav {
    min-height: 72px;
}

.nbme-brand,
.nbme-footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--nbme-text);
    font-weight: 800;
    letter-spacing: 0;
}

.nbme-brand:hover {
    color: var(--nbme-primary);
}

.nbme-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: var(--nbme-radius);
    display: block;
    flex: 0 0 auto;
}

.nbme-nav .nav-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--nbme-muted);
    font-size: 0.94rem;
    font-weight: 600;
    border-radius: var(--nbme-radius);
    padding: 0.55rem 0.8rem;
}

.nbme-nav .nav-link:hover,
.nbme-nav .nav-link:focus {
    color: var(--nbme-primary);
    background: var(--nbme-primary-soft);
}

.nbme-language-switcher {
    flex: 0 0 auto;
}

.nbme-language-button {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
    color: var(--nbme-text);
    background: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.45rem 0.72rem;
}

.nbme-language-button:hover,
.nbme-language-button:focus {
    border-color: var(--nbme-primary);
    color: var(--nbme-primary);
    background: var(--nbme-primary-soft);
}

.nbme-language-button .fa-globe {
    color: var(--nbme-primary);
}

.nbme-nav .dropdown-menu {
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
    box-shadow: var(--nbme-shadow);
}

.nbme-nav .dropdown-item {
    color: var(--nbme-text);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 0.55rem 0.9rem;
}

.nbme-nav .dropdown-item:hover,
.nbme-nav .dropdown-item:focus {
    color: var(--nbme-primary);
    background: var(--nbme-primary-soft);
}

.nbme-toggler {
    border-color: var(--nbme-border);
}

.nbme-page {
    overflow: hidden;
}

.nbme-hero {
    padding: 72px 0 54px;
    background:
        linear-gradient(180deg, #ffffff 0%, #f5f7fb 78%),
        var(--nbme-bg);
}

.nbme-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 480px);
    gap: 40px;
    align-items: start;
}

.nbme-hero-copy {
    max-width: 700px;
    padding-top: 24px;
}

.nbme-eyebrow,
.nbme-kicker {
    color: var(--nbme-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.nbme-hero h1 {
    color: var(--nbme-text);
    font-size: clamp(2.25rem, 4.8vw, 4.4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: 0;
    margin: 0 0 1.25rem;
}

.nbme-lead {
    color: var(--nbme-muted);
    font-size: 1.12rem;
    line-height: 1.7;
    max-width: 680px;
    margin-bottom: 1.7rem;
}

.nbme-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.nbme-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--nbme-radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-weight: 800;
    padding: 0.78rem 1.08rem;
    text-decoration: none;
    transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

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

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

.nbme-button-primary:hover,
.nbme-button-primary:focus {
    background: var(--nbme-primary-dark);
    color: #fff;
}

.nbme-button-secondary {
    background: #fff;
    border-color: var(--nbme-border);
    color: var(--nbme-text);
}

.nbme-button-secondary:hover,
.nbme-button-secondary:focus {
    border-color: var(--nbme-primary);
    color: var(--nbme-primary);
}

.nbme-metric-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 680px;
    margin: 0;
}

.nbme-metric-row div {
    background: var(--nbme-surface);
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
    padding: 1rem;
}

.nbme-metric-row dt {
    color: var(--nbme-text);
    font-size: 1.25rem;
    font-weight: 800;
}

.nbme-metric-row dd {
    color: var(--nbme-muted);
    font-size: 0.88rem;
    margin: 0.2rem 0 0;
}

.nbme-tool-card,
.nbme-info-panel,
.nbme-feature,
.nbme-faq-item,
.nbme-reference-link,
.nbme-related-card,
.nbme-disclaimer,
.nbme-table-wrap {
    background: var(--nbme-surface);
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
}

.nbme-tool-card {
    box-shadow: var(--nbme-shadow);
    padding: 1.3rem;
}

.nbme-tool-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.nbme-tool-header h2 {
    color: var(--nbme-text);
    font-size: 1.45rem;
    font-weight: 800;
    margin: 0;
}

.nbme-free-badge {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 999px;
    color: var(--nbme-warning);
    font-size: 0.78rem;
    font-weight: 800;
    padding: 0.35rem 0.65rem;
}

.nbme-tool-intro {
    color: var(--nbme-muted);
    margin-bottom: 1.15rem;
}

.nbme-form {
    display: grid;
    gap: 1rem;
}

.nbme-field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}

.nbme-field label,
.nbme-segmented legend {
    color: var(--nbme-text);
    display: block;
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 0.45rem;
}

.nbme-field select,
.nbme-field input {
    min-height: 48px;
    width: 100%;
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
    background: #fff;
    color: var(--nbme-text);
    font-size: 1rem;
    padding: 0.7rem 0.78rem;
}

.nbme-field select:focus,
.nbme-field input:focus,
.nbme-button:focus-visible,
.nbme-nav .nav-link:focus-visible {
    outline: 3px solid rgba(17, 100, 102, 0.22);
    outline-offset: 2px;
}

.nbme-help {
    color: var(--nbme-muted);
    font-size: 0.82rem;
    margin: 0.35rem 0 0;
}

.nbme-segmented {
    border: 0;
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
}

.nbme-segmented label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 44px;
    color: var(--nbme-muted);
    font-weight: 700;
    margin-right: 0.7rem;
}

.nbme-segmented input {
    width: 18px;
    height: 18px;
    accent-color: var(--nbme-primary);
}

.nbme-submit {
    width: 100%;
}

.nbme-error {
    background: #fef3f2;
    border: 1px solid #fecdca;
    border-radius: var(--nbme-radius);
    color: var(--nbme-danger);
    font-size: 0.9rem;
    margin: 0;
    padding: 0.7rem;
}

.nbme-result {
    background: #f8fbfb;
    border: 1px solid #b9d9d5;
    border-radius: var(--nbme-radius);
    margin-top: 1rem;
    padding: 1rem;
}

.nbme-result-label,
.nbme-result-grid span {
    color: var(--nbme-muted);
    display: block;
    font-size: 0.82rem;
    font-weight: 800;
    margin-bottom: 0.15rem;
    text-transform: uppercase;
}

.nbme-result-score {
    color: var(--nbme-primary);
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin: 0 0 0.9rem;
}

.nbme-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 0.9rem;
}

.nbme-result-grid div {
    background: #fff;
    border: 1px solid var(--nbme-border);
    border-radius: var(--nbme-radius);
    padding: 0.75rem;
}

.nbme-result-grid strong {
    color: var(--nbme-text);
}

.nbme-result-context,
.nbme-result-next {
    color: var(--nbme-muted);
    font-size: 0.92rem;
    margin: 0.65rem 0 0;
}

.nbme-result-next {
    color: var(--nbme-text);
    font-weight: 700;
}

.nbme-section {
    padding: 72px 0;
}

.nbme-muted-section {
    background: var(--nbme-surface-muted);
}

.nbme-section-heading {
    max-width: 820px;
    margin-bottom: 28px;
}

.nbme-section-heading h2,
.nbme-disclaimer h2 {
    color: var(--nbme-text);
    font-size: clamp(1.75rem, 3vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0;
    margin: 0 0 0.85rem;
}

.nbme-section-heading p,
.nbme-disclaimer p,
.nbme-info-panel p,
.nbme-feature p,
.nbme-faq-item p {
    color: var(--nbme-muted);
    line-height: 1.7;
}

.nbme-two-column {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.nbme-guide-grid,
.nbme-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.nbme-info-panel,
.nbme-feature,
.nbme-faq-item {
    padding: 1.35rem;
}

.nbme-info-panel h3,
.nbme-feature h3,
.nbme-faq-item h3 {
    color: var(--nbme-text);
    font-size: 1.1rem;
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 0.7rem;
}

.nbme-disclaimer-section {
    padding: 22px 0 54px;
}

.nbme-disclaimer {
    display: grid;
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
    gap: 24px;
    padding: 1.5rem;
}

.nbme-disclaimer h2 {
    font-size: 1.35rem;
}

.nbme-disclaimer p {
    margin: 0;
}

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

.nbme-table {
    border-collapse: collapse;
    min-width: 720px;
    width: 100%;
}

.nbme-table th,
.nbme-table td {
    border-bottom: 1px solid var(--nbme-border);
    color: var(--nbme-muted);
    padding: 1rem;
    text-align: left;
    vertical-align: top;
}

.nbme-table thead th,
.nbme-table tbody th {
    color: var(--nbme-text);
    font-weight: 800;
}

.nbme-table tbody tr:last-child th,
.nbme-table tbody tr:last-child td {
    border-bottom: 0;
}

.nbme-feature-index {
    display: inline-flex;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    background: var(--nbme-primary-soft);
    border-radius: var(--nbme-radius);
    color: var(--nbme-primary);
    font-weight: 800;
    margin-bottom: 1rem;
}

.nbme-faq-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.nbme-reference-section {
    background: #fff;
}

.nbme-reference-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.nbme-reference-link {
    display: grid;
    gap: 0.45rem;
    min-height: 150px;
    padding: 1.2rem;
    text-decoration: none;
}

.nbme-reference-link:hover,
.nbme-reference-link:focus {
    border-color: var(--nbme-primary);
    box-shadow: 0 10px 24px rgba(21, 32, 51, 0.08);
}

.nbme-reference-link span {
    color: var(--nbme-primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nbme-reference-link strong {
    color: var(--nbme-text);
    font-size: 1rem;
    line-height: 1.35;
}

.nbme-reference-link small {
    color: var(--nbme-muted);
    font-size: 0.86rem;
    line-height: 1.55;
}

.nbme-related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.nbme-related-card {
    display: grid;
    gap: 0.45rem;
    padding: 1.2rem;
    text-decoration: none;
}

.nbme-related-card:hover,
.nbme-related-card:focus {
    border-color: var(--nbme-primary);
    box-shadow: 0 10px 24px rgba(21, 32, 51, 0.08);
}

.nbme-related-card span {
    color: var(--nbme-accent);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nbme-related-card strong {
    color: var(--nbme-text);
    font-size: 1rem;
}

.nbme-related-card small {
    color: var(--nbme-muted);
    line-height: 1.55;
}

.nbme-footer {
    background: #111827;
    color: #e5e7eb;
    padding: 56px 0 24px;
}

.nbme-footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(160px, 0.5fr));
    gap: 36px;
}

.nbme-footer p,
.nbme-footer a {
    color: #b7c0ce;
}

.nbme-footer a {
    text-decoration: none;
}

.nbme-footer a:hover,
.nbme-footer a:focus {
    color: #fff;
}

.nbme-footer-brand {
    color: #fff;
    margin-bottom: 1rem;
}

.nbme-footer-heading {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.nbme-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nbme-footer li {
    margin-bottom: 0.65rem;
}

.nbme-footer-note {
    font-size: 0.86rem;
    max-width: 680px;
}

.nbme-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 32px;
    padding-top: 18px;
}

.nbme-footer-bottom p {
    font-size: 0.85rem;
    margin: 0;
}

@media (max-width: 1024px) {
    .nbme-hero-grid,
    .nbme-two-column,
    .nbme-guide-grid,
    .nbme-feature-grid,
    .nbme-reference-grid,
    .nbme-related-grid,
    .nbme-disclaimer,
    .nbme-footer-grid {
        grid-template-columns: 1fr;
    }

    .nbme-tool-card {
        max-width: 680px;
    }
}

@media (max-width: 720px) {
    .nbme-hero {
        padding: 42px 0 40px;
    }

    .nbme-section {
        padding: 52px 0;
    }

    .nbme-disclaimer-section {
        padding: 12px 0 40px;
    }

    .nbme-field-grid,
    .nbme-metric-row,
    .nbme-result-grid,
    .nbme-faq-list {
        grid-template-columns: 1fr;
    }

    .nbme-tool-card {
        padding: 1rem;
    }

    .nbme-hero-actions {
        flex-direction: column;
    }

    .nbme-button {
        width: 100%;
    }

    .nbme-footer {
        padding-top: 42px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}