:root {
    color-scheme: dark;
    --brand-cyan: #21d9ed;
    --brand-blue: #12a9f6;
    --brand-text: #f0f5fa;
    --brand-muted: #a9b8c8;
    --brand-border: #283647;
}
.quorra-site {
    margin: 0;
    background: #070a0f;
    color: var(--brand-text);
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    line-height: 1.65;
}
.quorra-site *, .portal-brand { box-sizing: border-box; }
.quorra-site a, .portal-brand a { color: var(--brand-cyan); }
.quorra-site a:focus-visible, .quorra-site summary:focus-visible,
.portal-brand a:focus-visible {
    outline: 3px solid var(--brand-cyan);
    outline-offset: 5px;
}
.skip-link {
    position: absolute;
    left: 16px;
    top: -100px;
    padding: 12px;
    background: #131e2b;
    z-index: 1;
}
.skip-link:focus { top: 16px; }
.site-header, .site-section, .site-footer {
    max-width: 1160px;
    margin-inline: auto;
    padding: 28px;
}
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    border-bottom: 1px solid var(--brand-border);
}
.brand-name {
    color: var(--brand-text) !important;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: .04em;
    text-decoration: none;
    white-space: nowrap;
}
.brand-name span { color: var(--brand-cyan); }
.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.site-header nav a { text-decoration: none; }
.quorra-site .button {
    display: inline-block;
    padding: 12px 22px;
    border: 1px solid var(--brand-cyan);
    border-radius: 10px;
    background: var(--brand-cyan);
    color: #041019;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
}
.quorra-site .button-outline { background: transparent; color: var(--brand-text); }
.quorra-site .button:hover { background: #9af4ff; color: #041019; }
.hero { max-width: 960px; margin: auto; padding: 52px 28px 36px; text-align: center; }
.eyebrow { color: var(--brand-cyan); font-weight: 650; letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; }
.hero-logo { display: block; width: min(100%, 740px); height: auto; margin: 0 auto; border-radius: 20px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.18; letter-spacing: -.035em; margin: 28px 0; }
.hero h1 span { color: var(--brand-cyan); }
.hero-description { max-width: 650px; margin: 0 auto 28px; color: var(--brand-muted); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.preview-notice { margin-top: 30px; padding: 16px; border: 1px solid #62522d; border-radius: 12px; color: #edcf87; font-size: .9rem; }
.site-section { padding-top: 48px; padding-bottom: 48px; }
.site-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); line-height: 1.3; margin-top: 8px; }
.section-description { max-width: 780px; color: var(--brand-muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.feature-card { background: #101721; border: 1px solid var(--brand-border); border-radius: 18px; padding: 28px; }
.feature-card h3 { font-size: 1.25rem; line-height: 1.4; }
.feature-card p { color: var(--brand-muted); }
.card-number { color: var(--brand-cyan); font-size: 1.6rem; font-weight: 750; }
.featured { border-color: var(--brand-blue); }
.status-label { display: inline-block; padding: 4px 10px; background: #1c2a3a; color: #b6d7ef; border-radius: 6px; font-size: .8rem; }
.faq details { border-bottom: 1px solid var(--brand-border); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq details p { color: var(--brand-muted); max-width: 850px; }
.site-footer { border-top: 1px solid var(--brand-border); color: var(--brand-muted); font-size: .9rem; padding-bottom: 40px; }
.portal-brand { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--brand-border); }
.portal-brand img { display: block; width: min(100%, 420px); height: auto; margin-bottom: 12px; }
@media (max-width: 760px) {
    .site-header { flex-direction: column; align-items: flex-start; }
    .site-header nav { gap: 16px; }
    .site-header, .site-section, .site-footer, .hero { padding-inline: 20px; }
    .feature-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 28px; }
}