/* DNSVault walled-garden — modern academic theme matching sim.dnsvault.io */

:root {
    --ink: #0F172A;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748B;
    --slate-400: #94A3B8;
    --slate-300: #CBD5E1;
    --slate-200: #E2E8F0;
    --slate-100: #F1F5F9;
    --slate-050: #F8FAFC;
    --indigo-700: #1E40AF;
    --indigo-600: #2563EB;
    --indigo-500: #3B82F6;
    --indigo-100: #DBEAFE;
    --indigo-050: #EFF6FF;
    --rose-600: #E11D48;
    --rose-050: #FFF1F2;
    --emerald-600: #059669;
    --amber-500: #F59E0B;
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--slate-700);
    background: var(--slate-050);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

.page {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

/* HEADER */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--slate-200);
    margin-bottom: 40px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo {
    width: 32px;
    height: 32px;
}
.brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.01em;
}
.badge {
    font-size: 12px;
    font-weight: 600;
    color: var(--indigo-600);
    background: var(--indigo-050);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--indigo-100);
}

/* HERO */
.hero {
    margin-bottom: 56px;
}
.status-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    background: var(--rose-600);
    border: 2px solid var(--rose-600);
    border-radius: 12px;
    font-size: 17px;
    font-weight: 800;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 32px;
    box-shadow: 0 4px 20px rgba(225, 29, 72, 0.25);
    max-width: 720px;
}
.status-dot {
    width: 14px;
    height: 14px;
    background: white;
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
    flex-shrink: 0;
}
.status-icon {
    font-size: 24px;
    line-height: 1;
    flex-shrink: 0;
}
.status-text {
    flex: 1;
}
@media (min-width: 640px) {
    .status-banner {
        font-size: 19px;
        padding: 20px 28px;
    }
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 16px;
}
.lede {
    font-size: 18px;
    color: var(--slate-600);
    max-width: 720px;
    margin-bottom: 32px;
}
.lede strong {
    color: var(--ink);
}

/* DOMAIN CARD */
.domain-card {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    max-width: 720px;
}
.domain-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.domain-value {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--ink);
    word-break: break-all;
    margin-bottom: 12px;
}
.domain-meta {
    font-size: 13px;
    color: var(--slate-500);
}
.domain-meta code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    background: var(--slate-100);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--indigo-700);
    font-size: 12px;
}

/* SECTIONS */
section {
    margin-bottom: 56px;
}
section h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

/* WHY */
.reasons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.reason {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
}
.reason-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--indigo-050);
    color: var(--indigo-600);
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 700;
}
.reason-body h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 4px;
}
.reason-body p {
    font-size: 14px;
    color: var(--slate-600);
}
.reason-body em {
    color: var(--rose-600);
    font-style: normal;
    font-weight: 600;
}

@media (min-width: 720px) {
    .reasons {
        grid-template-columns: repeat(3, 1fr);
    }
    .reason {
        flex-direction: column;
    }
}

/* METRICS */
.metric-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.metric {
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
}
.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--indigo-600);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.metric-label {
    font-size: 13px;
    color: var(--ink);
    font-weight: 600;
    margin-bottom: 4px;
}
.metric-source {
    font-size: 11px;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

@media (min-width: 720px) {
    .metric-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* LINKS */
.link-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.link-card {
    display: block;
    padding: 20px 24px;
    background: white;
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.15s;
}
.link-card:hover {
    border-color: var(--indigo-500);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(37,99,235,0.08);
}
.link-title {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 16px;
    font-weight: 600;
    color: var(--indigo-700);
    margin-bottom: 4px;
}
.link-desc {
    font-size: 13px;
    color: var(--slate-600);
}

@media (min-width: 720px) {
    .link-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* FOOTER */
.footer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--slate-200);
    font-size: 13px;
    color: var(--slate-500);
    line-height: 1.6;
}
.footer strong {
    color: var(--ink);
    font-weight: 600;
}
.footer em {
    color: var(--slate-700);
    font-style: italic;
}

@media (min-width: 720px) {
    .footer {
        grid-template-columns: 1fr 1fr;
    }
}