:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#ffffff0a;--text-primary:#fff;--text-secondary:#9494a8;--accent:#6366f1;--accent-hover:#818cf8;--accent-glow:#6366f140;--border:#ffffff14;--glass-bg:#ffffff0a;--glass-border:#ffffff14;--shadow:0 8px 32px #0006;--shadow-sm:0 4px 16px #0000004d;--radius:16px;--radius-sm:12px;--radius-lg:24px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--max-width:480px;--toast-success:#22c55e;--toast-error:#ef4444}[data-theme=light]{--bg-primary:#f5f5f7;--bg-secondary:#fff;--bg-card:#00000008;--text-primary:#1d1d1f;--text-secondary:#6b6b7b;--accent:#6366f1;--accent-hover:#4f46e5;--accent-glow:#6366f126;--border:#00000014;--glass-bg:#fff9;--glass-border:#ffffff4d;--shadow:0 8px 32px #0000001a;--shadow-sm:0 4px 16px #00000014}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6;transition:background .4s,color .4s;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.loading-screen{z-index:9999;background:var(--bg-primary);justify-content:center;align-items:center;transition:opacity .6s,visibility .6s;display:flex;position:fixed;inset:0}.loading-screen.hidden{opacity:0;visibility:hidden}.loading-spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:48px;height:48px;animation:.8s linear infinite spin}@keyframes 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var(--glass-border);width:128px;height:128px;box-shadow:0 0 40px var(--accent-glow);border-radius:50%;transition:transform .3s,box-shadow .3s}.avatar:hover{box-shadow:0 0 60px var(--accent-glow);transform:scale(1.05)}.avatar-ring{background:linear-gradient(135deg, var(--accent), transparent, var(--accent)) border-box;-webkit-mask-composite:xor;border:2px solid #0000;border-radius:50%;animation:4s linear infinite ring-spin;position:absolute;inset:-6px;-webkit-mask-image:linear-gradient(#fff 0 0),linear-gradient(#fff 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:padding-box,border-box;-webkit-mask-origin:padding-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}@keyframes ring-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hero-name{letter-spacing:-.03em;background:linear-gradient(135deg, var(--text-primary), var(--accent-hover));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:1.75rem;font-weight:800}.hero-title{color:var(--accent-hover);letter-spacing:.02em;margin-bottom:12px;font-size:1rem;font-weight:600}.hero-description{color:var(--text-secondary);max-width:360px;font-size:.9rem;line-height:1.7}.contact-grid{flex-direction:column;gap:12px;display:flex}.contact-btn{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius);width:100%;color:var(--text-primary);box-shadow:var(--shadow-sm);cursor:pointer;text-align:left;align-items:center;gap:16px;padding:16px 20px;font-size:.95rem;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.contact-btn:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)scale(1.01)}.contact-btn:active{transform:translateY(0)scale(.99)}.contact-btn-icon{border-radius:var(--radius-sm);background:var(--accent-glow);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;transition:background .3s;display:flex}.contact-btn:hover .contact-btn-icon{background:#6366f159}.contact-btn-label{flex:1}.contact-btn-sub{color:var(--text-secondary);margin-top:2px;font-size:.75rem}.contact-btn-action{color:var(--accent);opacity:0;font-size:.8rem;transition:all .3s;transform:translate(-10px)}.contact-btn:hover .contact-btn-action{opacity:1;transform:translate(0)}.ripple{pointer-events:none;background:#ffffff26;border-radius:50%;animation:.6s ease-out ripple-effect;position:absolute;transform:scale(0)}@keyframes ripple-effect{to{opacity:0;transform:scale(4)}}.about-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius);color:var(--text-secondary);box-shadow:var(--shadow-sm);padding:24px;font-size:.9rem;line-height:1.8}.skills-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;display:grid}.skill-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);text-align:center;cursor:default;box-shadow:var(--shadow-sm);flex-direction:column;align-items:center;gap:10px;padding:20px 16px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.skill-card:hover{border-color:var(--accent);box-shadow:0 12px 40px var(--accent-glow);transform:translateY(-4px)}.skill-card-icon{color:var(--accent-hover);font-size:2rem;transition:transform .3s}.skill-card:hover .skill-card-icon{transform:scale(1.15)}.skill-card-name{color:var(--text-secondary);font-size:.85rem;font-weight:600}.skill-card:first-child{transition-delay:0s}.skill-card:nth-child(2){transition-delay:50ms}.skill-card:nth-child(3){transition-delay:.1s}.skill-card:nth-child(4){transition-delay:.15s}.skill-card:nth-child(5){transition-delay:.2s}.skill-card:nth-child(6){transition-delay:.25s}.skill-card:nth-child(7){transition-delay:.3s}.skill-card:nth-child(8){transition-delay:.35s}.skill-card:nth-child(9){transition-delay:.4s}.qr-container{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;flex-direction:column;align-items:center;gap:16px;padding:32px;display:flex}.qr-label{color:#1d1d1f;font-size:.85rem;font-weight:600}.qr-hint{color:#6b6b7b;font-size:.8rem}.action-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius);width:100%;color:var(--text-primary);box-shadow:var(--shadow-sm);cursor:pointer;text-align:left;align-items:center;gap:16px;padding:18px 20px;font-size:.95rem;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.action-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.action-card-icon{border-radius:var(--radius-sm);background:var(--accent-glow);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;display:flex}.footer{text-align:center;color:var(--text-secondary);border-top:1px solid var(--border);margin-top:8px;padding:32px 0 24px;font-size:.8rem}.footer a{color:var(--accent-hover)}.back-to-top{z-index:50;background:var(--accent);color:#fff;width:48px;height:48px;box-shadow:0 4px 20px var(--accent-glow);cursor:pointer;opacity:0;pointer-events:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;bottom:24px;right:24px;transform:translateY(20px)}.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.back-to-top:hover{box-shadow:0 8px 30px var(--accent-glow);transform:translateY(-3px)scale(1.1)}.theme-toggle{z-index:50;background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);width:44px;height:44px;color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;transition:all .3s;display:flex;position:fixed;top:16px;right:16px}.theme-toggle:hover{border-color:var(--accent);transform:scale(1.1)}.toast-container{z-index:1000;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:80px;left:50%;transform:translate(-50%)}.toast{border-radius:var(--radius-sm);background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow);pointer-events:auto;-webkit-backdrop-filter:blur(16px);padding:12px 24px;font-size:.85rem;font-weight:500;animation:.3s toast-in,.3s 2.7s toast-out}.toast-success{border-color:var(--toast-success)}.toast-error{border-color:var(--toast-error)}@keyframes toast-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(20px)}}@media (width>=640px){.app{padding:40px 24px 0}.hero{padding:60px 0 40px}.avatar{width:150px;height:150px}.hero-name{font-size:2rem}.skills-grid{grid-template-columns:repeat(3,1fr)}.back-to-top{bottom:32px;right:32px}.theme-toggle{top:24px;right:24px}}@media (width<=380px){.skills-grid{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}