.hero{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:200;overflow:hidden;cursor:default}.grid-floor{position:absolute;bottom:0;left:-50%;width:200%;height:50%;background:linear-gradient(90deg,var(--grid-line) 1px,transparent 1px),linear-gradient(0deg,var(--grid-line) 1px,transparent 1px);background-size:80px 80px;transform:perspective(500px) rotateX(60deg);transform-origin:bottom center;mask-image:linear-gradient(to top,var(--grid-mask-start),transparent 70%);-webkit-mask-image:linear-gradient(to top,var(--grid-mask-start),transparent 70%);animation:grid-drift 6s linear infinite}@keyframes grid-drift{0%{background-position:0 0}to{background-position:0 80px}}.hero-center{position:relative;z-index:5;text-align:center;padding:0 24px}.hero-name{font-size:clamp(2.5rem,7vw,5rem);font-weight:700;color:var(--text);letter-spacing:-1.5px;line-height:1.1;min-height:1.1em}.hero-sub{font-size:clamp(.78rem,1.3vw,.95rem);color:var(--text2);letter-spacing:1.5px;margin-top:16px;min-height:1.4em;opacity:0;transform:translateY(12px);transition:opacity .8s ease-out,transform .8s ease-out}.hero-sub--visible{opacity:1;transform:translateY(0)}.cursor{display:inline-block;color:var(--text3);font-weight:300;animation:blink .7s step-end infinite}@keyframes blink{50%{opacity:0}}.hero-enter{margin-top:56px;display:flex;justify-content:center;cursor:pointer;opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}.hero-enter--visible{opacity:1;transform:translateY(0)}.hero-arrow{color:var(--accent);animation:arrow-float 2s ease-in-out infinite}@keyframes arrow-float{0%,to{transform:translateY(0);opacity:.4}50%{transform:translateY(8px);opacity:.8}}.world{animation:world-in .6s ease-out}@keyframes world-in{0%{opacity:0}to{opacity:1}}.app{min-height:100vh;flex-direction:column}.app,.nav{display:flex}.nav{position:sticky;top:0;z-index:100;align-items:center;justify-content:space-between;padding:0 28px;height:52px;background:var(--bg-alpha);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background .3s,border-color .3s}.nav-tabs{display:flex;height:100%}.nav-tab{background:none;border:none;border-bottom:2px solid transparent;color:var(--text3);font-family:inherit;font-size:.82rem;letter-spacing:.5px;padding:0 18px;height:100%;cursor:pointer;transition:color .2s,border-color .2s}.nav-tab:hover{color:var(--text2)}.nav-tab--active{color:var(--accent-hover);border-bottom-color:var(--accent)}.nav-icons{display:flex;gap:14px;align-items:center}.nav-icons a{font-size:1.2rem;color:var(--text3);display:flex;transition:color .2s}.nav-icons a:hover{color:var(--accent-hover)}.theme-toggle{background:none;border:1px solid var(--border);border-radius:6px;color:var(--text3);font-size:1.1rem;display:flex;align-items:center;justify-content:center;width:30px;height:30px;cursor:pointer;transition:color .2s,border-color .2s,background .2s}.theme-toggle:hover{color:var(--accent);border-color:var(--accent);background:var(--hover-bg)}.content{flex:1;max-width:1000px;width:100%;margin:0 auto;padding:48px 24px 80px;animation:tab-enter .4s ease-out}@keyframes tab-enter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.site-footer{position:fixed;bottom:0;left:0;right:0;z-index:100;padding:12px 24px;text-align:center;border-top:1px solid var(--border);font-size:.7rem;letter-spacing:2px;color:var(--text3);text-transform:uppercase;background:var(--bg-alpha);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:border-color .3s,background .3s;display:flex;flex-direction:column;gap:4px;align-items:center}.footer-email{display:none;color:var(--text2);letter-spacing:1.5px;font-size:.72rem}.nav-email{font-size:.72rem;color:var(--text3);letter-spacing:.5px;padding-right:6px;border-right:1px solid var(--border);margin-right:2px;transition:color .2s,border-color .3s}.about{max-width:680px}.about-prose{gap:18px;font-size:.92rem;color:var(--text2);line-height:1.8}.about-prose,.about-skills{display:flex;flex-direction:column}.about-skills{margin-top:40px;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:border-color .3s}.skill-row{display:flex;padding:14px 20px;border-bottom:1px solid var(--border);transition:background .15s,border-color .3s}.skill-row:last-child{border-bottom:none}.skill-row:hover{background:var(--hover-bg)}.skill-label{width:110px;flex-shrink:0;font-size:.72rem;letter-spacing:1.5px;color:var(--accent);text-transform:uppercase;font-weight:600;padding-top:1px}.skill-items{font-size:.85rem;color:var(--text2)}.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.proj-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;cursor:pointer;transition:border-color .25s,box-shadow .25s,transform .25s,background .3s;animation:stagger-in .4s ease-out both;display:flex;flex-direction:column;gap:10px}@keyframes stagger-in{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.proj-card:not(.proj-card--open):hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:0 4px 24px rgba(0,0,0,.15)}.proj-card--open{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 4px 24px rgba(0,0,0,.1)}.proj-card-top{display:flex;justify-content:space-between;align-items:center}.proj-cat{font-size:.62rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;padding:3px 8px;border-radius:4px}.proj-cat--ai{background:rgba(124,158,184,.15);color:var(--accent)}.proj-cat--app{background:rgba(100,160,100,.12);color:#5a9a5a}.proj-cat--data{background:rgba(184,168,142,.15);color:#9a8a6a}.proj-cat--hardware{background:rgba(180,130,130,.12);color:#a07a7a}.proj-cat--fullstack{background:rgba(140,130,180,.12);color:#8a7aaa}.proj-cat--algorithms{background:rgba(150,150,150,.12);color:var(--text2)}[data-theme=light] .proj-cat--ai{background:rgba(74,122,150,.12)}[data-theme=light] .proj-cat--app{background:rgba(60,120,60,.1);color:#3a7a3a}[data-theme=light] .proj-cat--data{background:rgba(140,120,80,.1);color:#7a6a4a}[data-theme=light] .proj-cat--hardware{background:rgba(150,90,90,.1);color:#8a5a5a}[data-theme=light] .proj-cat--fullstack{background:rgba(100,90,150,.1);color:#6a5a9a}[data-theme=light] .proj-cat--algorithms{background:rgba(120,120,120,.1)}.proj-gh{font-size:1.1rem;color:var(--text3);transition:color .2s;display:flex}.proj-gh:hover{color:var(--accent-hover)}.proj-name{font-size:1rem;font-weight:600;color:var(--text);margin:0}.proj-summary{font-size:.82rem;color:var(--text2);line-height:1.6;margin:0}.proj-detail{display:flex;flex-direction:column;gap:12px;padding-top:8px;border-top:1px solid var(--border);animation:detail-in .3s ease-out}@keyframes detail-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.proj-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:.65rem;padding:2px 7px;border-radius:3px;border:1px solid var(--border);color:var(--text3);letter-spacing:.3px;transition:border-color .3s}.proj-view{font-size:.78rem;color:var(--accent);font-weight:500;transition:color .2s}.proj-view:hover{color:var(--accent-hover)}.timeline{max-width:680px;display:flex;flex-direction:column}.tl-row{display:flex;gap:20px;animation:stagger-in .4s ease-out both}.tl-left{display:flex;flex-direction:column;align-items:center;width:16px;flex-shrink:0}.tl-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:8px}.tl-stem{width:1px;flex:1;background:var(--border);transition:background .3s}.tl-card{flex:1;padding-bottom:28px}.tl-row:last-child .tl-card{padding-bottom:0}.tl-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}.tl-company{font-size:1rem;font-weight:600;color:var(--text);margin:0}.tl-role{font-size:.82rem;color:var(--text3);margin:2px 0 0}.tl-info{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex-shrink:0}.tl-year{font-size:.72rem;padding:2px 8px;border-radius:4px;border:1px solid var(--accent);color:var(--accent);font-weight:600;letter-spacing:.5px;transition:border-color .3s,color .3s}.tl-loc{font-size:.72rem;color:var(--text3)}.tl-desc{font-size:.84rem;color:var(--text2);line-height:1.6;margin:0}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:999;animation:fade-in .25s ease-out}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal-box{width:min(680px,92%);height:88vh;background:#fff;border-radius:10px;overflow:hidden;display:flex;flex-direction:column}.modal-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#f5f5f5;border-bottom:1px solid #e0e0e0}.modal-btn{padding:5px 12px;border-radius:5px;font-size:.78rem;font-weight:600;font-family:inherit;color:#fff;background:#333;border:none;cursor:pointer;transition:background .15s}.modal-btn:hover{background:#555}.modal-x{margin-left:auto;background:none;border:none;font-size:1.3rem;cursor:pointer;color:#888;padding:2px 8px;border-radius:4px;line-height:1}.modal-x:hover{background:#eee;color:#333}.modal-body{flex:1;overflow:auto;display:flex;justify-content:center}@media (max-width:768px){.nav{height:auto;flex-direction:column;gap:0;padding:0 16px}.nav-tabs{width:100%;justify-content:center;padding-top:6px}.nav-tab{padding:12px 14px;font-size:.78rem}.nav-icons{padding:10px 0;gap:18px}.nav-email{display:none}.footer-email{display:block}.content{padding:32px 16px 60px}.hero-name{font-size:clamp(2rem,9vw,3.5rem)}.proj-grid{grid-template-columns:1fr}.tl-top{flex-direction:column}.tl-info{align-items:flex-start;flex-direction:row;gap:8px}}@media (max-width:480px){.nav-tab{padding:10px;font-size:.72rem}.nav-icons a{font-size:1.1rem}.skill-row{flex-direction:column;gap:4px}.skill-label{width:auto}.proj-card{padding:16px}}