:root{--bg:#ffffff;--bg-alt:#f5f5f7;--bg-elevated:#ffffff;--text:#1d1d1f;--text-2:#6e6e73;--text-3:#aeaeb2;--accent:#2563eb;--accent-soft:rgba(37, 99, 235, 0.08);--accent-glow:0 0 40px rgba(37, 99, 235, 0.15);--border:rgba(0, 0, 0, 0.09);--border-h:rgba(0, 0, 0, 0.18);--shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 4px 12px rgba(0,0,0,0.05);--shadow-md:0 4px 16px rgba(0,0,0,0.08),0 12px 40px rgba(0,0,0,0.06);--font-d:'Syne',sans-serif;--font-b:'DM Sans',sans-serif;--font-m:'JetBrains Mono',monospace;--font-serif:'Playfair Display',serif;--r-sm:6px;--r-md:12px;--r-lg:20px;--r-full:9999px;--nav-h:64px}.interaction-hint{display:inline-flex;align-items:center;width:fit-content;max-width:calc(100vw - 40px);margin:12px auto 0;padding:7px 12px;border:1px solid var(--border);border-radius:var(--r-full);background:rgba(255,255,255,.72);color:var(--text-2);font-family:var(--font-m);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;text-align:center}.interaction-hint::before{content:"";width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(37,99,235,.08)}.interaction-hint--contact{margin:0 0 18px}@media (hover:none),(pointer:coarse){.interaction-hint{font-size:.61rem;line-height:1.35}}.preloader{position:fixed;inset:0;z-index:99999;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity 1.2s ease-in-out,visibility 1.2s ease-in-out}.preloader.hidden{opacity:0;visibility:hidden;pointer-events:none}.preloader-content{display:flex;flex-direction:column;align-items:center;gap:20px}.preloader video{width:300px;max-width:80vw;height:auto;mix-blend-mode:multiply;opacity:.95;border:1px solid var(--border-h);padding:4px;border-radius:var(--r-sm);background-color:var(--bg)}.preloader-text{font-family:var(--font-m);font-size:.85rem;color:var(--text-2);letter-spacing:.08em;min-height:20px;text-transform:uppercase}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-b);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul{list-style:none}button{cursor:pointer;background:0 0;border:none}.container{max-width:1120px;margin:0 auto;padding:0 24px}.accent{color:var(--accent)}.section{padding:120px 0;position:relative}.section--alt{background:var(--bg-alt)}.section-tag{display:inline-block;font-family:var(--font-m);font-size:.72rem;color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin-bottom:20px}.section-tag--light{color:rgba(255,255,255,.5)}.section-title{font-family:var(--font-d);font-size:clamp(1.75rem, 6.5vw, 4rem);font-weight:800;line-height:1.05;letter-spacing:-.03em;color:var(--text);margin-bottom:24px}.section-sub{font-size:1.05rem;color:var(--text-2);max-width:540px;margin-bottom:64px}.sec-num{position:absolute;top:48px;right:24px;font-family:var(--font-m);font-size:.68rem;color:var(--text-3);letter-spacing:.1em}.navbar{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:100;transition:background .3s,box-shadow .3s}.navbar.scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 var(--border)}.nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;gap:32px}.nav-logo{font-family:var(--font-d);font-size:1.05rem;font-weight:800;color:var(--text);letter-spacing:-.03em;flex-shrink:0}.nav-links{display:flex;gap:28px;margin-left:auto}.nav-link{font-size:.875rem;color:var(--text-2);transition:color .2s}.nav-link.active,.nav-link:hover{color:var(--text)}.nav-cta{flex-shrink:0;font-size:.8rem;font-weight:500;padding:8px 20px;border:1px solid var(--border-h);border-radius:var(--r-full);color:var(--text);transition:border-color .2s,color .2s;margin-left:8px}.nav-cta:hover{border-color:var(--accent);color:var(--accent)}.hamburger{display:none;flex-direction:column;gap:5px;padding:4px;margin-left:auto}.hamburger span{display:block;width:22px;height:1.5px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}.hamburger.open span:first-child{transform:translateY(6.5px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}.mobile-menu{display:none;position:fixed;top:var(--nav-h);inset-inline:0;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);padding:16px 24px 24px;flex-direction:column;gap:4px;z-index:99}.mobile-menu.open{display:flex}.mobile-link{padding:12px 8px;font-size:1rem;color:var(--text-2);border-bottom:1px solid var(--border);transition:color .2s}.mobile-link:hover{color:var(--text)}.mobile-link--cta{border:none;color:var(--accent);font-weight:500;margin-top:8px}.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-b);font-size:.9rem;font-weight:500;border-radius:var(--r-full);padding:13px 28px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--accent-glow)}.btn--secondary{border:1px solid var(--border-h);color:var(--text)}.btn--secondary:hover{background:var(--bg-alt)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.nav-cta:focus-visible,.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.status-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid var(--border);border-radius:var(--r-full);font-family:var(--font-m);font-size:.75rem;color:var(--text-2);margin-bottom:40px;background:var(--bg-alt)}.status-dot{width:7px;height:7px;border-radius:50%;background:#34c759;animation:pulse 2s infinite}@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}.hero{min-height:100vh;background:radial-gradient(circle at 50% 42%,rgba(37,99,235,.1),transparent 34%),radial-gradient(circle at 50% 78%,rgba(88,86,214,.07),transparent 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1.45rem);color:var(--text-2);font-weight:400;letter-spacing:-.02em;margin-bottom:-6px}.hero__name{display:block;width:min(80vw,720px);height:clamp(118px,18vw,168px);margin:-4px auto clamp(4px,1.4vh,12px);transform:rotateX(18deg) translateY(6px) translateZ(-34px);transform-origin:center bottom;filter:drop-shadow(0 18px 18px rgba(37,99,235,.13))}.hero__name-svg{display:block;width:100%;height:100%;overflow:visible}.hero__name-text{font-family:var(--font-d);font-size:68px;font-weight:800;letter-spacing:-.04em;fill:url(#heroNameGradient)}.hero__name-underline{display:none}.hero-cube-scene{--cube-size:clamp(128px, 13vw, 176px);position:relative;width:var(--cube-size);height:var(--cube-size);margin:-22px auto clamp(22px,3.2vh,34px);perspective:1100px}.hero-cube-scene::after,.hero-cube-scene::before{content:"";position:absolute;inset:-18%;border-radius:50%;pointer-events:none}.hero-cube-scene::before{border:1px solid rgba(37,99,235,.13);transform:rotateX(68deg)}.hero-cube-scene::after{background:radial-gradient(circle,rgba(37,99,235,.14),transparent 64%);filter:blur(18px);transform:translateY(18%)}.hero-cube{position:relative;z-index:1;width:100%;height:100%;transform-style:preserve-3d;transform:rotateX(-14deg) rotateY(0);transition:transform .9s cubic-bezier(.22, 1, .36, 1)}.hero-cube[data-face="0"]{transform:rotateX(-14deg) rotateY(0)}.hero-cube[data-face="1"]{transform:rotateX(-14deg) rotateY(-90deg)}.hero-cube[data-face="2"]{transform:rotateX(-14deg) rotateY(-180deg)}.hero-cube[data-face="3"]{transform:rotateX(-14deg) rotateY(-270deg)}.hero-cube[data-face="4"]{transform:rotateX(-104deg) rotateY(0)}.hero-cube[data-face="5"]{transform:rotateX(76deg) rotateY(0)}.hero-cube__face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(14px,1.7vw,20px);background:linear-gradient(var(--bg-elevated),var(--bg-elevated)) 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1.08rem);letter-spacing:-.055em;line-height:1.1}.hero-cube__face--right{transform:rotateY(90deg) translateZ(calc(var(--cube-size)/ 2))}.hero-cube__face--back{transform:rotateY(180deg) translateZ(calc(var(--cube-size)/ 2))}.hero-cube__face--left{transform:rotateY(-90deg) translateZ(calc(var(--cube-size)/ 2))}.hero-cube__face--top{transform:rotateX(90deg) translateZ(calc(var(--cube-size)/ 2))}.hero-cube__face--bottom{transform:rotateX(-90deg) translateZ(calc(var(--cube-size)/ 2))}.hero__sub{font-size:clamp(.88rem, 1.05vw, .98rem);color:var(--text-2);max-width:540px;line-height:1.58;margin:clamp(18px,3vh,32px) auto 22px}.hero__sub strong{color:var(--text);font-weight:500}.hero__actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.scroll-hint{position:absolute;bottom:40px;left:24px;display:flex;flex-direction:column;align-items:center;gap:8px}.scroll-hint 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.dot{width:12px;height:12px;border-radius:50%}.dot.close{background:#ff5f56}.dot.min{background:#ffbd2e}.dot.max{background:#27c93f}.terminal-title{font-family:var(--font-m);font-size:.8rem;color:var(--text-2);letter-spacing:.05em}.terminal-body{padding:32px;display:flex;flex-direction:column;gap:24px}.terminal-typing-line{font-family:var(--font-m);font-size:1rem;color:var(--text);display:flex;align-items:center;gap:8px;min-height:24px}.terminal-prompt{color:var(--accent);font-weight:700}.terminal-typing-text{letter-spacing:-.02em}.terminal-cursor{display:inline-block;width:8px;height:16px;background:var(--text);animation:blink 1s step-end infinite}@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}.terminal-tabs{display:flex;gap:16px;border-bottom:1px solid var(--border);padding-bottom:8px;opacity:1;transition:opacity .4s ease-in-out}.terminal-tabs.hidden{opacity:0;pointer-events:none}.terminal-tab{font-family:var(--font-m);font-size:.85rem;color:var(--text-3);padding:4px 8px;border-radius:4px;transition:color .2s,background .2s}.terminal-tab:hover{color:var(--text);background:var(--bg-alt)}.terminal-tab.active{color:var(--accent);font-weight:600;background:var(--accent-soft)}.terminal-content-area{font-family:var(--font-b);font-size:1.05rem;line-height:1.8;color:var(--text-2);transition:opacity .3s ease-in-out,transform .3s ease-in-out;opacity:1;transform:translateY(0);max-height:340px;overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.terminal-content-area::-webkit-scrollbar{width:4px}.terminal-content-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.terminal-content-area.hidden{opacity:0;transform:translateY(10px)}.terminal-content-area p{margin-bottom:16px}.terminal-content-area p:last-child{margin-bottom:0}.terminal-content-area strong{color:var(--text);font-weight:600}.terminal-content-area ul{margin:0 0 16px 0;padding-left:20px;display:flex;flex-direction:column;gap:4px}.terminal-content-area ul li{color:var(--text-2)}.timeline-container{position:relative;margin-top:40px;margin-bottom:40px;display:flex;justify-content:space-between;padding-top:20px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding-bottom:40px;gap:28px}.timeline-container::-webkit-scrollbar{height:6px}.timeline-container::-webkit-scrollbar-thumb{background:var(--border-h);border-radius:3px}.timeline-line{position:absolute;top:25px;left:0;right:auto;width:max(100%,calc((250px * 7) + (28px * 6)));height:2px;background:linear-gradient(90deg,transparent 0,var(--border) 4%,var(--border) 96%,transparent 100%);z-index:1;pointer-events:none}.timeline-item{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;flex:1;min-width:250px;scroll-snap-align:start}.timeline-dot{width:12px;height:12px;background:var(--bg-alt);border:2px solid var(--accent);border-radius:50%;margin-bottom:24px}.timeline-icon{width:60px;height:60px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text);box-shadow:var(--shadow-sm);margin-bottom:20px;transition:transform .2s,box-shadow .2s,border-color .2s,color .2s}.timeline-item:hover .timeline-icon{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent);color:var(--accent)}.timeline-content{text-align:center;width:100%;min-height:250px;padding:24px 20px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s}.timeline-item:hover .timeline-content{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-h)}.timeline-logo-group{display:flex;justify-content:center;align-items:center;margin:0 auto 14px}.timeline-logo-group .timeline-logo{margin:0 -8px 0 0;position:relative;transition:transform .3s,z-index 0s}.timeline-logo-group .timeline-logo:hover{transform:scale(1.1);z-index:10}.timeline-logo-group .timeline-logo:last-child{margin-right:0}.timeline-logo{width:54px;height:54px;object-fit:contain;display:block;margin:0 auto 14px;padding:7px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-sm)}.timeline-logo--round{border-radius:50%}.timeline-logo--rect{width:auto;min-width:54px;max-width:120px;border-radius:8px}.timeline-period{font-family:var(--font-m);font-size:.7rem;color:var(--accent);letter-spacing:.05em;display:block;margin-bottom:8px;text-transform:uppercase}.timeline-title{font-family:var(--font-d);font-size:1.1rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:6px}.timeline-issuer{font-size:.85rem;color:var(--text-2);margin-bottom:12px}.timeline-description{font-size:.86rem;line-height:1.55;color:var(--text-3);margin:0}.physics-wrapper{position:relative;width:100%;margin-top:40px}.physics-container{width:100%;height:400px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--r-lg);position:relative;overflow:hidden;box-shadow:inset var(--shadow-sm);cursor:crosshair}.physics-ball{position:absolute;width:var(--ball-size,120px);height:var(--ball-size,120px);border-radius:50%;cursor:pointer;user-select:none;will-change:transform;z-index:5}.physics-ball-inner{width:100%;height:100%;border-radius:50%;background:var(--bg-elevated);border:2px solid var(--accent);display:flex;align-items:center;justify-content:center;text-align:center;font-family:var(--font-d);font-size:var(--ball-font, .9rem);font-weight:700;color:var(--text);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.physics-ball:hover{z-index:10}.physics-ball:hover .physics-ball-inner{box-shadow:var(--shadow-md),0 0 15px rgba(37,99,235,.3);transform:scale(1.08)}.physics-ball span{padding:0 10px;line-height:1.2}.tools-modal{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}.tools-modal.active{opacity:1;pointer-events:all}.tools-modal__backdrop{position:absolute;inset:0;background:rgba(255,255,255,.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.tools-modal__box{position:relative;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--r-lg);padding:40px;width:90%;max-width:500px;max-height:90%;overflow-y:auto;box-shadow:var(--shadow-md);transform:translateY(20px);transition:transform .3s}.tools-modal.active .tools-modal__box{transform:translateY(0)}.tools-modal__close{position:absolute;top:16px;right:16px;font-size:1.5rem;color:var(--text-2);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-alt);transition:color .2s,background .2s}.tools-modal__close:hover{color:var(--text);background:var(--border)}.tools-modal__title{font-family:var(--font-d);font-size:1.4rem;font-weight:800;margin-bottom:8px;color:var(--text)}.tools-modal__desc{font-size:.9rem;color:var(--text-2);margin-bottom:24px}.modal-list{display:flex;flex-direction:column;gap:16px}.modal-item{display:flex;flex-direction:column;gap:4px;padding-bottom:16px;border-bottom:1px solid var(--border)}.modal-item:last-child{border-bottom:none;padding-bottom:0}.modal-item__name{font-weight:600;font-size:1rem;color:var(--accent)}.modal-item__use{font-size:.85rem;color:var(--text-2);line-height:1.5}.skills-extra{margin-top:60px;padding-top:44px;border-top:1px solid var(--border)}.skills-extra__title{font-family:var(--font-d);font-size:clamp(1.35rem, 2.6vw, 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