:root {
    --bg-primary: #fff;
    --bg-secondary: #f5f6f8;
    --bg-card: #fff;
    --bg-card-hover: #f8f9fb;
    --bg-glass: #fff;
    --bg-glass-border: #e2e5ea;
    --bg-input: #f5f6f8;
    --bg-input-focus: #fff;
    --text-primary: #3a4455;
    --text-secondary: #5a6577;
    --text-muted: #646e7d;
    --text-heading: #11213a;
    --accent-blue: #1a3c5e;
    --accent-blue-hover: #245070;
    --accent-warm: #8c6a1e;
    --accent-gradient: linear-gradient(135deg, #1a3c5e 0, #245070 100%);
    --accent-gradient-text: linear-gradient(135deg, #8c6a1e, #a67d28);
    --severity-critical: #c42b2b;
    --severity-critical-bg: rgba(196, 43, 43, 0.08);
    --severity-major: #a84e0a;
    --severity-major-bg: rgba(168, 78, 10, 0.08);
    --severity-minor: #7d6806;
    --severity-minor-bg: rgba(125, 104, 6, 0.08);
    --severity-good: #1a7a3a;
    --severity-good-bg: rgba(26, 122, 58, 0.08);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(17, 33, 58, 0.06);
    --shadow-md: 0 4px 16px rgba(17, 33, 58, 0.08);
    --shadow-lg: 0 8px 32px rgba(17, 33, 58, 0.10);
    --font-stack: 'Georgia', 'Times New Roman', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
    --container-max: 1120px;
    --container-narrow: 720px;
    --transition-fast: .15s ease;
    --transition-normal: .25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--container-narrow); }

h1, h2, h3, h4 {
    color: var(--text-heading);
    font-family: var(--font-stack);
    font-weight: 700;
    line-height: 1.2;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
a { color: var(--accent-blue); text-decoration: underline; text-underline-offset: 2px; transition: color var(--transition-fast); }
a:hover { color: var(--accent-blue-hover); }

.text-gradient {
    background: var(--accent-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-critical { color: var(--severity-critical); font-weight: 600; }
.text-major { color: var(--severity-major); font-weight: 600; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bg-glass-border);
    box-shadow: 0 1px 4px rgba(17,33,58,0.04);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 24px; }
.nav__logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 1.25rem; font-weight: 800; color: var(--text-heading);
    text-decoration: none; letter-spacing: -.02em;
}
.nav__logo:hover { color: var(--text-heading); }
.nav__logo-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; background: var(--accent-gradient);
    border-radius: var(--radius-sm);
}
.nav__links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav__links a { color: var(--text-secondary); text-decoration: none; font-size: .9rem; font-weight: 500; }
.nav__links a:hover { color: var(--text-heading); }
.nav__cta { flex-shrink: 0; }
.nav__toggle { display: none; background: 0; border: 0; cursor: pointer; padding: 6px; color: var(--text-primary); }
.nav__toggle-bar { display: block; width: 24px; height: 2px; background: currentColor; margin: 5px 0; border-radius: 2px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; border: 0; border-radius: var(--radius-md);
    font-family: var(--font-stack); font-size: 1rem; font-weight: 600;
    cursor: pointer; text-decoration: none; transition: all var(--transition-normal);
    white-space: nowrap; line-height: 1.4;
}
.btn--primary { background: var(--accent-gradient); color: #fff; box-shadow: var(--shadow-md); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,60,94,0.2); color: #fff; }
.btn--secondary { background: var(--bg-glass); color: var(--text-primary); border: 1px solid var(--bg-glass-border); }
.btn--secondary:hover { background: var(--bg-card-hover); color: var(--text-heading); }
.btn--outline { background: transparent; color: var(--accent-blue); border: 2px solid var(--accent-blue); }
.btn--outline:hover { background: rgba(26,60,94,0.06); }
.btn--lg { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--radius-lg); }
.btn--sm { padding: 8px 18px; font-size: .875rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Cards */
.card {
    background: var(--bg-card); border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.card--interactive:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.card--featured {
    border-color: var(--accent-blue); box-shadow: var(--shadow-md); position: relative;
}
.card--featured::before {
    content: 'Most Popular'; position: absolute; top: -13px; left: 50%;
    transform: translateX(-50%); background: var(--accent-gradient); color: #fff;
    font-size: .75rem; font-weight: 700; padding: 4px 16px; border-radius: 20px;
    letter-spacing: .04em; text-transform: uppercase;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); font-size: .9rem; }
.form-input {
    width: 100%; padding: 14px 18px; background: var(--bg-input);
    border: 1px solid var(--bg-glass-border); border-radius: var(--radius-md);
    color: var(--text-primary); font-family: var(--font-stack); font-size: 1rem;
    transition: all var(--transition-fast);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus { border-color: var(--accent-blue); background: var(--bg-input-focus); box-shadow: 0 0 0 3px rgba(26,60,94,0.12); outline: 2px solid var(--accent-blue); outline-offset: 1px; }
.form-input--sm { padding: 10px 14px; font-size: .9rem; }

/* Alert */
.alert { padding: 14px 18px; border-radius: var(--radius-md); margin-bottom: 20px; font-size: .9rem; }
.alert--error { background: var(--severity-critical-bg); color: var(--severity-critical); border: 1px solid rgba(239,68,68,0.3); }
.alert--success { background: var(--severity-good-bg); color: var(--severity-good); border: 1px solid rgba(34,197,94,0.3); }

/* Badges */
.badge {
    display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px;
    border-radius: 20px; font-size: .7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em;
}
.badge--critical { background: var(--severity-critical-bg); color: var(--severity-critical); border: 1px solid rgba(239,68,68,0.3); }
.badge--major { background: var(--severity-major-bg); color: var(--severity-major); border: 1px solid rgba(249,115,22,0.3); }
.badge--minor { background: var(--severity-minor-bg); color: var(--severity-minor); border: 1px solid rgba(234,179,8,0.3); }
.badge--success { background: var(--severity-good-bg); color: var(--severity-good); border: 1px solid rgba(34,197,94,0.3); }

/* Section helpers */
.section { padding: 80px 0; }
.section--alt { background: var(--bg-secondary); border-top: 1px solid var(--bg-glass-border); border-bottom: 1px solid var(--bg-glass-border); }
.section__header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section__header h2 { margin-bottom: 12px; }
.section__header p { color: var(--text-secondary); font-size: 1.1rem; }
.section-label { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-warm); margin-bottom: .75rem; }

/* Hero */
.hero { padding: 80px 0 60px; text-align: center; }
.hero__badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px;
    border-radius: 20px; background: rgba(26,60,94,0.06); border: 1px solid rgba(26,60,94,0.15);
    font-size: .8rem; font-weight: 600; color: var(--accent-blue); margin-bottom: 24px;
}
.hero__title { font-size: clamp(2rem,5vw,3.25rem); font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -.03em; }
.hero__subtitle { font-size: clamp(1rem,2.5vw,1.25rem); color: var(--text-secondary); max-width: 640px; margin: 0 auto 36px; line-height: 1.6; }
.hero__actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 24px; }
.hero__trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; color: var(--text-muted); font-size: .85rem; }
.hero__trust-item { display: inline-flex; align-items: center; gap: 6px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step { text-align: center; }
.step__number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 50%; background: var(--accent-gradient);
    color: #fff; font-size: 1.5rem; font-weight: 800; margin-bottom: 20px; box-shadow: var(--shadow-md);
}
.step__title { font-size: 1.25rem; margin-bottom: 10px; }
.step__text { color: var(--text-secondary); font-size: .95rem; line-height: 1.6; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing__card { padding: 32px 28px; }
.pricing__tier { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-warm); margin-bottom: 8px; }
.pricing__price { font-size: 2.75rem; font-weight: 800; color: var(--text-heading); line-height: 1; margin-bottom: 4px; }
.pricing__price-sub { font-size: .9rem; color: var(--text-muted); margin-bottom: 24px; }
.pricing__features { list-style: none; padding: 0; margin-bottom: 28px; }
.pricing__features li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: .9rem; color: var(--text-secondary); }
.pricing__features li svg { flex-shrink: 0; margin-top: 3px; }

/* Leads grid (landing page cards) */
.leads-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.lead-card { text-decoration: none; display: block; }
.lead-card__domain { font-size: 1.1rem; font-weight: 700; color: var(--text-heading); margin-bottom: 8px; word-break: break-all; }
.lead-card__meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.lead-card__date { font-size: .8rem; color: var(--text-muted); }

/* Leads table */
.leads-table-wrap { overflow-x: auto; }
.leads-table { width: 100%; border-collapse: collapse; }
.leads-table th {
    text-align: left; padding: 12px 16px; font-size: .8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted);
    border-bottom: 2px solid var(--bg-glass-border); background: var(--bg-secondary);
}
.leads-table td {
    padding: 12px 16px; border-bottom: 1px solid var(--bg-glass-border);
    font-size: .9rem; vertical-align: middle;
}
.leads-table tbody tr:hover { background: var(--bg-card-hover); }
.domain-link { font-weight: 600; color: var(--accent-blue); text-decoration: none; }
.domain-link:hover { text-decoration: underline; }
.domain-title { font-size: .8rem; color: var(--text-muted); margin-top: 2px; }
.tld-badge {
    display: inline-block; padding: 2px 8px; background: var(--bg-secondary);
    border-radius: 10px; font-size: .8rem; font-weight: 600; color: var(--text-secondary);
}

/* Stat cards */
.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; }
.stat-card { text-align: center; padding: 20px 16px; }
.stat-card__number { font-size: 2.25rem; font-weight: 800; line-height: 1; margin-bottom: 6px; }
.stat-card__label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.stat-card--critical .stat-card__number { color: var(--severity-critical); }
.stat-card--major .stat-card__number { color: var(--severity-major); }
.stat-card--info .stat-card__number { color: var(--accent-blue); }

/* Site detail */
.site-header-card { padding: 32px; }
.site-domain { font-size: 2rem; word-break: break-all; }
.site-title { font-size: 1.1rem; margin-top: 4px; }
.site-meta { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 16px; font-size: .9rem; color: var(--text-secondary); }
.site-meta__item strong { color: var(--text-primary); }

/* Issue items */
.issue-item { padding: 16px 0; border-bottom: 1px solid var(--bg-glass-border); }
.issue-item:last-child { border-bottom: 0; }
.issue-item__header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.issue-item__title { font-weight: 600; color: var(--text-heading); font-size: 1rem; }
.issue-item__desc { color: var(--text-secondary); font-size: .9rem; }

/* Blurred preview */
.blurred-preview { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.blurred-preview__content {
    filter: blur(6px); opacity: .5; pointer-events: none; user-select: none;
    padding: 24px; background: var(--bg-glass); border: 1px solid var(--bg-glass-border);
    border-radius: var(--radius-lg);
}
.blurred-preview__overlay {
    position: absolute; inset: 0; display: flex; flex-direction: column;
    align-items: center; justify-content: center; background: rgba(255,255,255,0.6);
    border-radius: var(--radius-lg);
}
.blurred-preview__overlay p { font-weight: 600; color: var(--text-heading); margin-bottom: 12px; font-size: 1.1rem; }

/* Breadcrumb */
.breadcrumb { padding: 12px 0; margin-bottom: 8px; }
.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 0; list-style: none; font-size: .85rem; }
.breadcrumb__item { display: flex; align-items: center; color: var(--text-muted); }
.breadcrumb__item + .breadcrumb__item::before { content: '/'; margin: 0 10px; color: var(--text-muted); opacity: .5; }
.breadcrumb__item a { color: var(--text-muted); text-decoration: none; }
.breadcrumb__item a:hover { color: var(--accent-blue); }

/* Filters */
.browse-filters { margin-bottom: 24px; }
.filter-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.filter-form select { min-width: 140px; }

/* Search form */
.search-form .filter-row { margin-top: 12px; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 32px; }
.pagination__info { font-size: .9rem; color: var(--text-muted); }

/* CTA */
.cta-section {
    padding: 80px 0; text-align: center;
    background: linear-gradient(180deg, rgba(26,60,94,0.04) 0, transparent 100%);
    border-top: 1px solid var(--bg-glass-border);
}
.cta-section h2 { font-size: clamp(1.75rem,4vw,2.5rem); margin-bottom: 12px; }
.cta-section p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 32px; }

/* Footer */
.site-footer { border-top: 1px solid var(--bg-glass-border); padding: 32px 0; margin-top: 40px; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__copy { color: var(--text-muted); font-size: .85rem; }
.footer__links { display: flex; gap: 20px; list-style: none; }
.footer__links a { color: var(--text-muted); text-decoration: none; font-size: .85rem; }
.footer__links a:hover { color: var(--text-primary); }

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    .hero { padding: 60px 0 40px; }
    .hero__actions { flex-direction: column; align-items: center; }
    .section { padding: 60px 0; }
    .steps { grid-template-columns: 1fr; gap: 24px; }
    .pricing { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .leads-grid { grid-template-columns: 1fr; }
    .filter-row { flex-direction: column; }
    .nav__links {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        flex-direction: column; background: rgba(255,255,255,0.97);
        backdrop-filter: blur(12px); border-bottom: 1px solid var(--bg-glass-border);
        padding: 20px 24px; gap: 16px; z-index: 999;
    }
    .nav__links.is-open { display: flex; }
    .nav__toggle { display: block; }
    .nav__cta { display: none; }
    .footer__inner { flex-direction: column; text-align: center; }
    .site-meta { flex-direction: column; gap: 8px; }
}

@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .results-grid { grid-template-columns: 1fr 1fr; }
}