.header{position:sticky;top:0;width:100%;z-index:1000;background-color:transparent;transition:background .3s ease,box-shadow .3s ease;display:flex;justify-content:center;align-items:center;height:60px}.header.scrolled{background-color:#fff;box-shadow:0 2px 4px rgba(0,0,0,.1)}.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;display:flex;justify-content:space-between;align-items:center}.nav{display:flex;gap:20px}.getunderline{position:relative;font-size:1rem;color:#444;text-decoration:none;background-color:#999}.getunderline:after{content:"";position:absolute;width:0;height:2px;bottom:0;left:0;background-color:#999;transition:width .4s ease}.getunderline:hover:after{width:100%}.menu-toggle{background:transparent;border:none;color:inherit;display:none}.menu-toggle:focus{outline:2px solid rgba(59,130,246,.6);outline-offset:2px;border-radius:6px}@media (max-width:1024px){.container{max-width:960px;padding:0 16px}.nav{gap:12px}.header{height:56px}}@media (max-width:768px){.container{padding:0 12px}.menu-toggle{display:block;font-size:1.1rem;padding:6px;cursor:pointer;background:transparent}.nav{display:none;position:absolute;top:100%;right:12px;width:220px;max-width:calc(100% - 24px);flex-direction:column;gap:0;background-color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.12);border-radius:8px;overflow:hidden;z-index:1200}.nav.open{display:flex}.nav .getunderline,.nav a{padding:12px 16px;width:100%;box-sizing:border-box}.getunderline{background-color:transparent}.getunderline:after{background-color:currentColor}.header.scrolled{background-color:hsla(0,0%,100%,.98)}}@media (max-width:420px){.nav{width:180px;right:8px}.nav .getunderline,.nav a{padding:10px 12px;font-size:.95rem}}:root{--bg:#fff;--muted:#6b7280;--accent:#0f766e;--line:#e6eef0;--card-bg:#fafdff;--radius:12px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}body,html{background:var(--bg);color:#111827}.wrap{max-width:980px;margin:48px auto;padding:0 20px}h1{font-size:28px;margin-bottom:18px}.timeline{position:relative;padding:30px 0}.timeline:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:4px;transform:translateX(-50%);background:var(--line);border-radius:2px}.item{position:relative;width:50%;padding:18px 36px;box-sizing:border-box;opacity:0;transform:translateY(12px);transition:all .36s cubic-bezier(.2,.9,.2,1)}.item.visible{opacity:1;transform:none}.item.left{left:0;text-align:right}.item.right{left:50%;text-align:left}.card{display:inline-block;background:var(--card-bg);padding:14px 18px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(8,15,20,.04);max-width:420px}.node{position:absolute;top:28px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:4px solid var(--accent);box-sizing:content-box;z-index:2;display:flex;align-items:center;justify-content:center}.left .node{right:-10px}.right .node{left:-10px}h3{margin:0;font-size:18px}.org{font-size:14px;margin-top:4px}.dates,.org{color:var(--muted)}.dates{font-size:13px;margin-top:6px}.summary{margin:8px 0 0;font-size:15px;color:#111827}.bullets{margin:10px 0 0;padding-left:1rem}.tech{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}.tag{font-size:12px;padding:4px 8px;border-radius:999px;background:#eef2f7;color:#0f172a}.links{margin-top:10px}.links a{margin-right:8px;color:var(--accent);text-decoration:none}.links a:hover{text-decoration:underline}@media (max-width:840px){.timeline:before{left:18px}.item{width:100%;padding-left:56px;padding-right:18px;margin-bottom:18px;text-align:left!important}.node{left:18px;right:auto;top:20px}.card{max-width:calc(100% - 72px)}}