:root{--sd-primary:#0f766e;--sd-primary-hover:#115e59;--sd-primary-50:#f0fdfa;--sd-primary-100:#ccfbf1;--sd-primary-200:#99f6e4;--sd-primary-teal:#5eead4;--sd-dark:#0f172a;--sd-slate-700:#334155;--sd-slate-600:#475569;--sd-slate-500:#64748b;--sd-slate-400:#94a3b8;--sd-slate-300:#cbd5e1;--sd-border:#e2e8f0;--sd-border-soft:#f1f5f9;--sd-white:#fff;--sd-base:#f8fafc;--sd-cta:#f59e0b;--sd-cta-hover:#d97706;--sd-cta-50:#fffbeb;--sd-cta-100:#fde68a;--sd-cta-800:#92400e;--sd-maxw:1080px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--sd-white)}body{font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--sd-dark);-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:break-word}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}a{color:inherit}img{max-width:100%}.sd-container{max-width:var(--sd-maxw);margin:0 auto;padding-left:24px;padding-right:24px}.sd-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center;font-weight:700;border-radius:12px;transition:background .18s,border-color .18s,color .18s;cursor:pointer}.sd-btn-amber{background:var(--sd-cta);color:#fff;box-shadow:0 4px 14px rgba(245,158,11,.35);border:none}.sd-btn-amber:hover{background:var(--sd-cta-hover)}.sd-btn-outline{background:#fff;color:var(--sd-primary);border:1.5px solid var(--sd-primary-200)}.sd-btn-outline:hover{border-color:var(--sd-primary);background:var(--sd-primary-50)}.sd-btn-teal{background:var(--sd-primary);color:#fff;border:none}.sd-btn-teal:hover{background:var(--sd-primary-hover)}.sd-nav-link{text-decoration:none;color:var(--sd-slate-700);font-size:14.5px;font-weight:600;padding:8px 12px;border-radius:8px;transition:background .15s,color .15s}.sd-nav-link:hover{background:var(--sd-border-soft);color:var(--sd-primary)}.sd-nav-link[data-active=true]{color:var(--sd-primary);font-weight:700;background:var(--sd-primary-50)}.sd-card-lift{transition:box-shadow .2s,border-color .2s}.sd-card-lift:hover{box-shadow:0 12px 32px rgba(15,23,42,.08);border-color:var(--sd-primary-200)}.sd-card-soft:hover{border-color:var(--sd-primary-200);background:var(--sd-primary-50)}.sd-link-teal{color:var(--sd-primary);text-decoration:none;font-weight:700}.sd-link-teal:hover{text-decoration:underline}.sd-footer-link{color:var(--sd-slate-400);text-decoration:none;transition:color .15s}.sd-footer-link:hover{color:var(--sd-primary-teal)}@keyframes sdFloatA{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes sdFloatB{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}@keyframes sdPopIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){*{animation:none!important}}.sd-desktop-nav{display:flex}.sd-mobile-nav-btn{display:none}.sd-mobile-drawer{display:flex}@media (max-width:860px){.sd-desktop-nav{display:none}.sd-mobile-nav-btn{display:flex}}.sd-prose{font-size:16px;line-height:1.8;color:var(--sd-slate-700)}.sd-prose h2{font-size:24px;margin:40px 0 16px;letter-spacing:-.02em}.sd-prose h2,.sd-prose h3{font-weight:800;color:var(--sd-dark)}.sd-prose h3{font-size:19px;margin:32px 0 12px}.sd-prose p{margin:0 0 18px}.sd-prose ol,.sd-prose ul{margin:0 0 18px;padding-left:22px}.sd-prose li{margin:6px 0}.sd-prose a{color:var(--sd-primary);font-weight:600}.sd-prose img{border-radius:12px;margin:20px 0}.sd-prose blockquote{margin:20px 0;padding:12px 20px;border-left:3px solid var(--sd-primary-200);background:var(--sd-primary-50);border-radius:0 10px 10px 0;color:var(--sd-slate-600)}.sd-prose code{background:var(--sd-border-soft);padding:2px 6px;border-radius:6px;font-size:.9em}