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ease}.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn--primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn--ghost{background:var(--bg-elevated);color:var(--text);border:1px solid var(--border)}.btn--ghost:hover{border-color:var(--primary);color:var(--primary)}.about__grid{display:grid;grid-template-columns:1fr 1.4fr;gap:3rem;align-items:start}@media (max-width: 768px){.about__grid{grid-template-columns:1fr;gap:2rem}}.about__avatar{width:100%;aspect-ratio:1;max-width:280px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--accent),var(--primary));display:flex;align-items:center;justify-content:center;font-size:5rem;color:#fff;font-weight:800;box-shadow:var(--shadow-lg)}.about__text p{margin-bottom:1rem;color:var(--text-muted);line-height:1.75}.about__skills{margin-top:2rem}.about__skills h3{font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.75rem;font-weight:600}.skill-chips{display:flex;flex-wrap:wrap;gap:.5rem}.skill-chip{padding:.4rem .9rem;background:var(--bg-subtle);border:1px solid var(--border);border-radius:999px;font-size:.85rem;font-weight:500;color:var(--text-muted)}.projects__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem}.project-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s ease;display:flex;flex-direction:column}.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent)}.project-card__cover{aspect-ratio:16 / 9;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:3.5rem}.project-card__body{padding:1.5rem;flex:1;display:flex;flex-direction:column}.project-card__title{font-size:1.35rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.01em}.project-card__desc{color:var(--text-muted);font-size:.95rem;line-height:1.6;margin-bottom:1rem;flex:1}.project-card__tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem}.project-card__tag{padding:.25rem .65rem;background:var(--bg-subtle);border-radius:4px;font-size:.75rem;color:var(--text-muted);font-weight:500}.project-card__links{display:flex;gap:.75rem}.project-card__link{font-size:.9rem;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:.3rem;transition:color .2s ease}.project-card__link:hover{color:var(--primary-hover)}.contact{background:var(--bg-subtle)}.contact__inner{max-width:600px;margin:0 auto}.form{display:flex;flex-direction:column;gap:1.25rem}.form__field{display:flex;flex-direction:column;gap:.4rem}.form__field label{font-size:.85rem;font-weight:600;color:var(--text);letter-spacing:.01em}.form__field input,.form__field textarea{padding:.85rem 1rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.95rem;font-family:inherit;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease}.form__field input:focus,.form__field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0284c71f}.form__field textarea{resize:vertical;min-height:140px}.form__submit{align-self:flex-start}.form__status{padding:.85rem 1rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:500}.form__status--success{background:#10b9811a;color:#059669;border:1px solid rgba(16,185,129,.25)}.form__status--error{background:#ef44441a;color:#dc2626;border:1px solid rgba(239,68,68,.25)}.form__notice{font-size:.82rem;color:var(--text-dim);padding:.75rem;background:var(--bg-elevated);border:1px dashed var(--border);border-radius:var(--radius-sm)}.footer{border-top:1px solid var(--border);padding:2.5rem 1.5rem;background:var(--bg-elevated)}.footer__inner{max-width:var(--container);margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}.footer__copy{font-size:.85rem;color:var(--text-dim)}.footer__links{display:flex;gap:1.25rem}.footer__links a{font-size:.9rem;color:var(--text-muted);transition:color .2s ease}.footer__links a:hover{color:var(--primary)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,Noto Sans KR,system-ui,-apple-system,sans-serif;font-weight:400;line-height:1.6;color:var(--text);background:var(--bg);min-height:100vh}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer;border:none;background:none}:root{--bg: #f8fafc;--bg-elevated: #ffffff;--bg-subtle: #f1f5f9;--text: #0f172a;--text-muted: #475569;--text-dim: #94a3b8;--border: #e2e8f0;--primary: #0284c7;--primary-hover: #0369a1;--accent: #38bdf8;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--container: 1100px}@media (prefers-color-scheme: dark){:root{--bg: #0f172a;--bg-elevated: #1e293b;--bg-subtle: #1a2438;--text: #f1f5f9;--text-muted: #cbd5e1;--text-dim: #64748b;--border: #334155}}