:root{--c-blue:#003F88;--c-blue-deep:#001F4D;--c-purple:#7C3AED;--c-purple-soft:#A78BFA;--c-orange:#F79256;--c-orange-deep:#E07A3D;--c-bg-light:#F8FAFC;--c-bg-paper:#F2EFE8;--c-bg-dark:#0B0F1A;--c-bg-dark-2:#111827;--c-text:#1F2937;--c-text-soft:#4B5563;--c-text-muted:#9CA3AF;--c-line:#E5E7EB;--c-line-dark:#1F2937;--font-serif:'Fraunces','Times New Roman',serif;--font-sans:'Inter',system-ui,sans-serif;--font-mono:'JetBrains Mono',monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);color:var(--c-text);-webkit-font-smoothing:antialiased}.concept-frame{width:1440px;font-family:var(--font-sans);overflow:hidden;position:relative}.nav{display:flex;align-items:center;justify-content:space-between;padding:24px 64px;font-size:14px}.nav-links{display:flex;gap:32px}.nav-links a{color:inherit;text-decoration:none;opacity:0.75;transition:opacity .2s}.nav-links a:hover{opacity:1}.logo{font-family:var(--font-serif);font-size:22px;font-style:italic;font-weight:400;letter-spacing:-0.01em}.logo .dot{color:var(--c-orange)}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:4px;font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;border:none;font-family:var(--font-sans)}.btn-primary{background:var(--c-orange);color:#fff}.btn-primary:hover{background:var(--c-orange-deep)}.btn-ghost{background:transparent;color:inherit;border:1px solid currentColor}.eyebrow{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:0.18em;font-weight:500}