:root{--gold:#f0c040;--gold-bright:#ffd966;--gold-dim:#a07820;--gold-glow:rgba(240,192,64,.15);--gold-glow-strong:rgba(240,192,64,.35);--bg:#080808;--bg-surface:#111;--bg-elevated:#1a1a1a;--bg-overlay:rgba(8,8,8,.85);--text:#f0ede6;--text-muted:#888880;--text-faint:#444440;--grade-bronze:#cd7f32;--grade-silver:silver;--grade-gold:#f0c040;--grade-platinum:#e5e4e2;--grade-diamond:#b9f2ff;--grade-master:#ff6fd8;--border:rgba(240,192,64,.12);--border-hover:rgba(240,192,64,.35);--radius-sm:6px;--radius:12px;--radius-lg:20px;--radius-full:9999px;--font-base:"Pretendard Variable","Pretendard",-apple-system,sans-serif;--ease:cubic-bezier(.16,1,.3,1);--duration:.3s;--header-height:60px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--bg);color:var(--text);font-family:var(--font-base);line-height:1.6;min-height:100dvh;overflow-x:hidden}a{color:inherit;text-decoration:none}button{background:none;border:none;cursor:pointer;font-family:var(--font-base);outline:none}img{display:block;max-width:100%}.container{margin:0 auto;max-width:640px;padding:0 20px;width:100%}.container--wide{max-width:960px}.section{padding:80px 0}.display{font-size:clamp(2.5rem,8vw,5rem);font-weight:800;letter-spacing:-.03em;line-height:1.05}.heading-1{font-size:clamp(1.75rem,5vw,2.75rem);font-weight:700;letter-spacing:-.02em;line-height:1.15}.heading-2{font-size:clamp(1.25rem,3vw,1.75rem);font-weight:600;letter-spacing:-.01em;line-height:1.25}.body-lg{font-size:1.1rem;line-height:1.7}.body{font-size:1rem;line-height:1.65}.caption{color:var(--text-muted);font-size:.9rem;line-height:1.5}.gold-text{color:var(--gold)}.btn{align-items:center;border-radius:var(--radius-full);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:600;gap:8px;justify-content:center;letter-spacing:-.01em;padding:14px 28px;transition:all var(--duration) var(--ease);white-space:nowrap}.btn--primary{background:var(--gold);box-shadow:0 0 0 0 var(--gold-glow-strong);color:#080808}.btn--primary:hover{background:var(--gold-bright);box-shadow:0 0 32px 0 var(--gold-glow-strong);transform:translateY(-1px)}.btn--primary:active{transform:translateY(0)}.btn--outline{background:transparent;border:1px solid var(--border-hover);color:var(--text)}.btn--outline:hover{background:var(--gold-glow);border-color:var(--gold);color:var(--gold)}.btn--ghost{background:transparent;color:var(--text-muted)}.btn--ghost:hover{color:var(--text)}.btn--lg{font-size:1.125rem;padding:18px 40px}.btn--sm{font-size:.875rem;padding:10px 20px}.btn--full{width:100%}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:border-color var(--duration) var(--ease)}.card--glow,.card:hover{border-color:var(--border-hover)}.card--glow{box-shadow:0 0 40px var(--gold-glow)}.grade-badge{align-items:center;border-radius:var(--radius-full);display:inline-flex;font-size:.8125rem;font-weight:700;gap:6px;letter-spacing:.05em;padding:6px 14px;text-transform:uppercase}.grade-badge--bronze{background:#cd7f3226;border:1px solid rgba(205,127,50,.3);color:var(--grade-bronze)}.grade-badge--silver{background:#c0c0c01a;border:1px solid hsla(0,0%,75.3%,.25);color:var(--grade-silver)}.grade-badge--gold{background:#f0c04026;border:1px solid rgba(240,192,64,.35);color:var(--grade-gold)}.grade-badge--platinum{background:#e5e4e21a;border:1px solid rgba(229,228,226,.25);color:var(--grade-platinum)}.grade-badge--diamond{background:#b9f2ff1a;border:1px solid rgba(185,242,255,.3);color:var(--grade-diamond)}.grade-badge--master{background:#ff6fd81a;border:1px solid rgba(255,111,216,.3);color:var(--grade-master)}.progress-track{background:var(--bg-elevated);height:4px;overflow:hidden;width:100%}.progress-fill,.progress-track{border-radius:var(--radius-full)}.progress-fill{background:var(--gold);box-shadow:0 0 8px var(--gold-glow-strong);height:100%;transition:width .4s var(--ease)}.step-indicator{align-items:center;display:flex;gap:8px}.step-dot{background:var(--text-faint);border-radius:50%;height:8px;transition:all var(--duration) var(--ease);width:8px}.step-dot.active{background:var(--gold);border-radius:var(--radius-full);box-shadow:0 0 8px var(--gold-glow-strong);width:24px}.step-dot.done{background:var(--gold-dim)}.input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-base);font-size:1rem;outline:none;padding:14px 16px;transition:border-color var(--duration) var(--ease);width:100%}.input:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-glow)}.input::-moz-placeholder{color:var(--text-faint)}.input::placeholder{color:var(--text-faint)}.checkbox-wrap{align-items:flex-start;cursor:pointer;display:flex;gap:10px}.checkbox-wrap input[type=checkbox]{accent-color:var(--gold);cursor:pointer;flex-shrink:0;height:18px;margin-top:2px;width:18px}.divider{background:var(--border);height:1px;width:100%}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse-gold{0%,to{box-shadow:0 0 0 0 var(--gold-glow-strong)}50%{box-shadow:0 0 24px 4px var(--gold-glow-strong)}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes soundWave{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}.animate-fade-up{animation:fadeUp .6s var(--ease) both}.animate-fade-up-delay-1{animation-delay:.1s}.animate-fade-up-delay-2{animation-delay:.2s}.animate-fade-up-delay-3{animation-delay:.3s}.animate-fade-up-delay-4{animation-delay:.4s}.animate-pulse-gold{animation:pulse-gold 2s ease-in-out infinite}.sound-wave{align-items:center;display:flex;gap:4px;height:40px}.sound-wave__bar{background:var(--gold);border-radius:var(--radius-full);transform-origin:bottom;width:4px}.sound-wave__bar:first-child{animation:soundWave .8s ease-in-out 0s infinite;height:60%}.sound-wave__bar:nth-child(2){animation:soundWave .8s ease-in-out .1s infinite;height:100%}.sound-wave__bar:nth-child(3){animation:soundWave .8s ease-in-out .2s infinite;height:70%}.sound-wave__bar:nth-child(4){animation:soundWave .8s ease-in-out .1s infinite;height:90%}.sound-wave__bar:nth-child(5){animation:soundWave .8s ease-in-out 0s infinite;height:50%}.sound-wave--paused .sound-wave__bar{animation-play-state:paused;transform:scaleY(.3)}.header{align-items:center;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;display:flex;height:var(--header-height);justify-content:space-between;left:0;padding:0 20px;position:sticky;right:0;top:0;transition:border-color var(--duration) var(--ease);z-index:100}.header.scrolled{background:var(--bg-overlay);border-bottom-color:var(--border)}.logo{color:var(--gold);font-size:1.125rem;font-weight:800;letter-spacing:-.02em}.disclaimer{color:var(--text-faint);font-size:.85rem;line-height:1.6;padding:20px 0;text-align:center}@media(max-width:480px){.container{padding:0 16px}.card{padding:20px}.btn--lg{font-size:1rem;padding:16px 28px}}