:root{--accent:#6bdcca;--surface:#101c2d;--paper:#080f1b;--ink:#edf3fa;--muted:#a5b6c8;--line:#293b51;} .seo-panel,.contact-card,.site-header{background:var(--surface)} .seo-button{color:#10212d} .container{max-width:1200px;margin:auto;padding-left:24px;padding-right:24px}