:root{--dn-font-title:"Open Sans",-apple-system,BlinkMacSystemFont,sans-serif;--dn-font-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--dn-ink:#0f172a;--dn-ink-soft:#1f2937;--dn-paper:#fff;--dn-accent:#a78bfa;--dn-accent-strong:#7c3aed;--dn-muted:#94a3b8;--dn-border:rgba(15,23,42,.12);--dn-surface-elevated:#fff;--dn-icon-hover-bg:rgba(15,23,42,.06);--dn-ink-on-dark:#fff;--dn-ink-soft-on-dark:#e5e7eb;--dn-muted-on-dark:#cbd5e1;--dn-border-on-dark:hsla(0,0%,100%,.2);--dn-space-xs:4px;--dn-space-sm:8px;--dn-space-md:12px;--dn-space-lg:16px;--dn-space-xl:24px;--dn-radius-sm:4px;--dn-radius-md:8px;--dn-radius-lg:12px}.dn-container{width:min(72rem,100%);margin-inline:auto;padding-inline:var(--dn-space-lg)}.dn-stack{display:flex;flex-direction:column;gap:var(--dn-space-lg)}.dn-section{padding-block:4rem}:root[data-theme=dark]{--dn-ink:#e5e7eb;--dn-ink-soft:#cbd5f5;--dn-paper:#020617;--dn-accent:#a78bfa;--dn-accent-strong:#c4b5fd;--dn-muted:#9ca3af;--dn-border:rgba(148,163,184,.4);--dn-surface-elevated:#111827;--dn-icon-hover-bg:hsla(0,0%,100%,.08)}.dn-title{font-family:var(--dn-font-title);font-size:clamp(2rem,3vw,2.8rem);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:var(--dn-ink)}.dn-subtitle{max-width:720px;font-size:1.05rem;line-height:1.6;color:var(--dn-ink)}.dn-label{gap:6px;letter-spacing:.01em;background:var(--dn-icon-hover-bg);color:var(--dn-ink-soft)}.dn-label,.dn-label-accent{display:inline-flex;align-items:center;padding:7px 10px;border-radius:9999px;font-size:.8rem;font-weight:600;line-height:1.2;white-space:nowrap}.dn-label-accent{align-self:flex-start;letter-spacing:.03em;color:#5b21b6;background:#efe7ff}.dn-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 16px;border-radius:8px;border:none;font-weight:700;font-size:1rem;letter-spacing:.01em;cursor:pointer;transition:transform .15s ease,background .15s ease,color .15s ease,border-color .15s ease;text-decoration:none}.dn-button:hover{transform:translateY(-1px)}.dn-button:focus-visible{outline:3px solid rgba(124,58,237,.25);outline-offset:3px}.dn-button-primary{background:#1a1a1a;color:#fff}.dn-button-primary:hover{background:#0f0f0f}.dn-button-secondary{background:#f3f4f6;color:#6b7280}.dn-button-secondary:hover{background:#e5e7eb;color:var(--dn-ink-soft)}.dn-surface-card{background:var(--dn-surface-elevated);border:1px solid var(--dn-border);border-radius:16px}.dn-surface-card-hover{background:var(--dn-paper);border:1px solid var(--dn-border);border-radius:12px;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.dn-surface-card-hover:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.08)}.dn-content-card{padding:1.5rem;background:var(--dn-icon-hover-bg);border-radius:12px}.dn-content-card-accent{padding:1.5rem;background:rgba(124,58,237,.08);border-left:4px solid var(--dn-accent-strong);border-radius:8px}.dn-content-card-outline{padding:1.5rem;background:var(--dn-icon-hover-bg);border:1px solid var(--dn-border);border-radius:12px}.dn-text-title{letter-spacing:-.02em}.dn-text-section-title,.dn-text-title{font-family:var(--dn-font-title);font-weight:800;color:var(--dn-ink)}.dn-text-section-title{font-size:1.4rem;letter-spacing:-.01em}.dn-text-body{color:var(--dn-ink);line-height:1.7}.dn-text-muted{color:var(--dn-ink-soft)}.dn-surface-hero{width:min(1100px,100%);margin:0 auto;background:var(--dn-surface-elevated);border:1px solid var(--dn-border);border-radius:24px;padding:48px 52px}@media (max-width:640px){.dn-surface-hero{padding:32px 28px}}