*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --teal: #1a9e96;
    --teal-dark: #147a74;
    --orange: #f07830;
    --text: #1a1a1a;
    --text-muted: #5c5c5c;
    --text-light: #8a8a8a;
    --border: rgba(0,0,0,0.06);
    --card-bg: #ffffff;
    --page-bg: #fafaf9;
    --warn-bg: #fff8ee;
    --warn-border: #f0e6d6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--page-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--teal-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.site-nav .brand {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text);
    text-decoration: none;
}

.site-nav .brand:hover { color: var(--teal); text-decoration: none; }

.site-nav-links {
    display: flex;
    gap: 20px;
    font-size: 0.875rem;
}

.site-nav-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.site-nav-links a:hover,
.site-nav-links a.active {
    color: var(--teal);
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px 80px;
}

.page-header {
    text-align: center;
    padding: 24px 0 48px;
}

.page-header .label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 12px;
}

.page-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 1.0625rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.55;
}

.disclaimer-box {
    background: var(--warn-bg);
    border: 1px solid var(--warn-border);
    border-left: 4px solid var(--orange);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 40px;
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.disclaimer-box strong {
    display: block;
    color: var(--text);
    margin-bottom: 8px;
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.disclaimer-box ul {
    margin: 12px 0 0 20px;
}

.disclaimer-box li { margin-bottom: 6px; }

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

.resource-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s, border-color 0.2s;
}

.resource-card:hover {
    border-color: rgba(26,158,150,0.25);
    box-shadow: 0 6px 24px rgba(26,158,150,0.08);
}

.resource-card.available { border-color: rgba(26,158,150,0.2); }

.resource-card .badge {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.resource-card .badge.live { color: var(--teal); }
.resource-card .badge.soon { color: var(--text-light); }

.resource-card h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.resource-card p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 16px;
    line-height: 1.5;
}

.resource-card .card-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--teal);
    text-decoration: none;
}

.resource-card .card-link:hover { text-decoration: underline; }

.resource-card.soon-card { opacity: 0.75; }
.resource-card.soon-card .card-link { color: var(--text-light); cursor: default; }

.cta-banner {
    background: linear-gradient(135deg, #fff8ee 0%, #fff 100%);
    border: 1px solid var(--warn-border);
    border-radius: 16px;
    padding: 32px 28px;
    text-align: center;
    margin-bottom: 48px;
}

.cta-banner h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.cta-banner p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 10px;
    text-decoration: none;
    transition: background 0.2s;
}

.btn-primary {
    background: var(--teal);
    color: #fff;
}

.btn-primary:hover {
    background: var(--teal-dark);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid #ddd;
    margin-left: 8px;
}

.btn-outline:hover {
    border-color: var(--teal);
    color: var(--teal);
    text-decoration: none;
}

.site-footer {
    text-align: center;
    padding: 32px 24px 48px;
    font-size: 0.8125rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    max-width: 800px;
    margin: 0 auto;
}

.site-footer a { color: var(--text-muted); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .sep { margin: 0 8px; color: #ddd; }

@media (max-width: 600px) {
    .btn-outline { margin-left: 0; margin-top: 8px; }
    .cta-banner .btn { display: block; width: 100%; }
    .cta-banner .btn-outline { margin-top: 8px; }
}

/* ── ASRS screener ── */
.asrs-intro {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 28px;
    line-height: 1.6;
}

.asrs-form { margin-bottom: 40px; }

.asrs-question {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 12px;
}

.asrs-question legend {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 14px;
    line-height: 1.5;
    padding: 0;
}

.asrs-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.asrs-option {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 8px;
    transition: background 0.15s;
}

.asrs-option:hover { background: #f5f5f4; }

.asrs-option input {
    accent-color: var(--teal);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.submit-row {
    margin-top: 28px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.results-panel {
    display: none;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 24px;
    margin-bottom: 40px;
}

.results-panel.visible { display: block; }

.results-panel h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.result-block {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.9375rem;
    line-height: 1.55;
}

.result-block.positive {
    background: #fff8ee;
    border: 1px solid var(--warn-border);
}

.result-block.negative {
    background: #f0faf9;
    border: 1px solid rgba(26,158,150,0.2);
}

.result-block.neutral {
    background: #f5f5f4;
    border: 1px solid var(--border);
}

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

.results-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.attribution {
    font-size: 0.8125rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.content-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 32px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.content-section p,
.content-section li {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    line-height: 1.6;
}

.content-section ul { margin-left: 20px; margin-bottom: 16px; }

.back-link {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-decoration: none;
}

.back-link:hover { color: var(--teal); text-decoration: underline; }

/* ── Challenge articles ── */
.article-body h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--text);
}

.article-body p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.65;
}

.article-body ul {
    margin: 0 0 16px 20px;
    font-size: 0.9375rem;
    color: var(--text-muted);
}

.article-body li { margin-bottom: 8px; line-height: 1.55; }

.ref-list {
    list-style: none;
    margin: 12px 0 0 0;
    padding: 0;
}

.ref-list li {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.55;
    padding-left: 0;
}

.ref-list a { word-break: break-word; }

.challenge-nav {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    margin: 32px 0 40px;
}

.challenge-nav a {
    font-size: 0.8125rem;
    padding: 10px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
}

.challenge-nav a:hover {
    border-color: rgba(26,158,150,0.3);
    color: var(--teal);
}

.challenge-nav a.current {
    border-color: rgba(26,158,150,0.35);
    color: var(--teal);
    font-weight: 500;
}

.article-disclaimer {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    line-height: 1.55;
}