:root{--color-primary: #4541ff;--color-primary-dark: #3633db;--color-primary-light: #6562ff;--color-secondary: #0f172a;--color-accent: #06b6d4;--color-bg: #ffffff;--color-bg-alt: #f8fafc;--color-bg-muted: #f1f5f9;--color-text: #0f172a;--color-text-muted: #64748b;--color-text-light: #94a3b8;--color-border: #e2e8f0;--font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--max-width: 1200px;--header-height: 64px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}[data-theme=dark]{--color-bg: #0f172a;--color-bg-alt: #1e293b;--color-bg-muted: #334155;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-text-light: #64748b;--color-border: #334155;--color-secondary: #f1f5f9}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-6)}.section{padding:var(--space-20) 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:.9375rem;font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-base);white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-outline{border:1.5px solid var(--color-border);color:var(--color-text);background:transparent}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-lg{padding:var(--space-4) var(--space-8);font-size:1.0625rem;border-radius:var(--radius-lg)}.section-label{display:inline-block;font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-primary);margin-bottom:var(--space-3)}.section-title{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;line-height:1.2;color:var(--color-secondary);margin-bottom:var(--space-4)}.section-desc{font-size:1.0625rem;color:var(--color-text-muted);max-width:800px;line-height:1.7}@media (max-width: 768px){.section{padding:var(--space-12) 0}.container{padding:0 var(--space-4)}.section-desc{font-size:1rem}.btn-lg{padding:var(--space-3) var(--space-6);font-size:1rem}}@media (max-width: 480px){.container{padding:0 var(--space-3)}}.reveal{opacity:0;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1);will-change:opacity,transform}.reveal-up{transform:translateY(32px)}.reveal-down{transform:translateY(-32px)}.reveal-left{transform:translate(-32px)}.reveal-right{transform:translate(32px)}.reveal-scale{transform:scale(.95)}.revealed{opacity:1;transform:translateY(0) translate(0) scale(1)}@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}