:root{
    --bg: #0b0f19;
    --panel: rgba(255,255,255,0.06);
    --panel-strong: rgba(255,255,255,0.10);
    --text: rgba(255,255,255,0.92);
    --muted: rgba(255,255,255,0.70);
    --faint: rgba(255,255,255,0.55);
    --stroke: rgba(255,255,255,0.12);
    --accent: #7aa7ff;
    --accent2: #8af0c6;
  
    --shadow: 0 12px 28px rgba(0,0,0,0.35);
    --radius: 18px;
    --radius2: 26px;
  
    --max: 1100px;
  }
  
  [data-theme="light"]{
    --bg: #f6f7fb;
    --panel: rgba(10, 20, 40, 0.06);
    --panel-strong: rgba(10, 20, 40, 0.10);
    --text: rgba(10, 20, 40, 0.92);
    --muted: rgba(10, 20, 40, 0.70);
    --faint: rgba(10, 20, 40, 0.55);
    --stroke: rgba(10, 20, 40, 0.14);
    --accent: #2f6bff;
    --accent2: #0dbd8b;
    --shadow: 0 12px 28px rgba(10, 20, 40, 0.12);
  }
  
  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }
  body{
    margin:0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 20% 0%, rgba(122,167,255,0.20), transparent 60%),
                radial-gradient(900px 550px at 90% 10%, rgba(138,240,198,0.14), transparent 55%),
                var(--bg);
    color: var(--text);
  }
  
  a{ color: inherit; text-decoration: none; }
  a:hover{ opacity: 0.92; }
  
  .container{
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
  }
  
  .skip-link{
    position:absolute;
    left:-999px;
    top:auto;
    width:1px;
    height:1px;
    overflow:hidden;
  }
  .skip-link:focus{
    left: 20px;
    top: 20px;
    width:auto;
    height:auto;
    padding: 10px 12px;
    background: var(--panel-strong);
    border: 1px solid var(--stroke);
    border-radius: 10px;
    z-index: 10000;
  }
  
  .topbar{
    position: sticky;
    top: 0;
    z-index: 9999;
    backdrop-filter: blur(12px);
    background: linear-gradient(to bottom, rgba(0,0,0,0.25), rgba(0,0,0,0.05));
    border-bottom: 1px solid var(--stroke);
  }
  [data-theme="light"] .topbar{
    background: linear-gradient(to bottom, rgba(246,247,251,0.75), rgba(246,247,251,0.35));
  }
  
  .topbar__inner{
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0;
  }
  
  .brand{
    display:flex;
    align-items:center;
    gap: 10px;
    min-width: 190px;
  }
  .brand__mark{
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display:grid;
    place-items:center;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, rgba(122,167,255,0.35), rgba(138,240,198,0.25));
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow);
  }
  .brand__text{
    font-weight: 700;
    letter-spacing: -0.2px;
  }
  
  .nav{
    display:flex;
    gap: 16px;
    align-items:center;
  }
  .nav a{
    font-size: 14px;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: 10px;
  }
  .nav a:hover{
    color: var(--text);
    background: var(--panel);
    border: 1px solid transparent;
  }
  
  .topbar__actions{
    display:flex;
    gap: 10px;
    align-items:center;
  }
  
  .iconbtn{
    appearance:none;
    border: 1px solid var(--stroke);
    background: var(--panel);
    color: var(--text);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    display:grid;
    place-items:center;
    cursor:pointer;
  }
  .iconbtn:hover{
    background: var(--panel-strong);
  }
  .navbtn{ display:none; }
  
  .mobilemenu{
    border-top: 1px solid var(--stroke);
    background: rgba(0,0,0,0.18);
    backdrop-filter: blur(12px);
  }
  [data-theme="light"] .mobilemenu{
    background: rgba(246,247,251,0.55);
  }
  .mobilemenu__inner{
    display:grid;
    gap: 10px;
    padding: 14px 0 18px;
  }
  .mobilemenu a{
    padding: 12px 12px;
    border-radius: 14px;
    background: var(--panel);
    border: 1px solid var(--stroke);
    color: var(--text);
  }
  
  .hero{
    padding: 70px 0 40px;
  }
  .hero__grid{
    display:grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 26px;
    align-items: start;
  }
  .kicker{
    color: var(--muted);
    font-weight: 600;
    letter-spacing: 0.3px;
    margin: 0 0 10px;
  }
  .hero__title{
    margin: 0 0 12px;
    font-size: clamp(28px, 3.4vw, 44px);
    line-height: 1.05;
    letter-spacing: -0.8px;
  }
  .hero__subtitle{
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.6;
  }
  
  .hero__cta{
    display:flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }
  
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--stroke);
    font-weight: 650;
    font-size: 14px;
    cursor:pointer;
  }
  .btn--primary{
    background: linear-gradient(135deg, rgba(122,167,255,0.45), rgba(138,240,198,0.28));
    box-shadow: var(--shadow);
  }
  .btn--ghost{
    background: var(--panel);
  }
  .btn:hover{
    background: var(--panel-strong);
  }
  
  .hero__meta{
    display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin: 10px 0 16px;
  }
  .meta{
    padding: 12px 12px;
    border-radius: 16px;
    background: var(--panel);
    border: 1px solid var(--stroke);
  }
  .meta__label{
    display:block;
    font-size: 12px;
    color: var(--faint);
    margin-bottom: 6px;
  }
  .meta__value{
    font-size: 14px;
    font-weight: 650;
    color: var(--text);
  }
  
  .hero__links{
    display:flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .chip{
    padding: 8px 10px;
    border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--stroke);
    font-size: 13px;
    color: var(--muted);
  }
  .chip:hover{ color: var(--text); background: var(--panel-strong); }
  
  .card{
    border-radius: var(--radius2);
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .glass{
    background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  }
  [data-theme="light"] .glass{
    background: linear-gradient(180deg, rgba(10,20,40,0.08), rgba(10,20,40,0.03));
  }
  .card__header{
    padding: 18px 18px 8px;
  }
  .card__title{
    margin: 0 0 4px;
    font-weight: 750;
    letter-spacing: -0.2px;
  }
  .card__hint{
    margin: 0;
    color: var(--muted);
    font-size: 13px;
  }
  .card__body{
    padding: 12px 18px 18px;
  }
  
  .bullets{
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
  }
  .bullets li{
    margin: 8px 0;
    line-height: 1.55;
  }
  
  .divider{
    height: 1px;
    background: var(--stroke);
    margin: 14px 0 14px;
  }
  
  .stack{
    display:flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .tag{
    font-size: 12px;
    font-weight: 650;
    padding: 8px 10px;
    border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--stroke);
    color: var(--muted);
  }
  
  .note{
    margin-top: 12px;
    display:flex;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 16px;
    background: var(--panel);
    border: 1px solid var(--stroke);
  }
  .note__dot{
    width: 10px;
    height: 10px;
    border-radius: 99px;
    margin-top: 6px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
  }
  .note__text{
    margin:0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
  }
  
  .section{
    padding: 52px 0;
  }
  .section__head{
    margin-bottom: 18px;
  }
  .section__head h2{
    margin: 0 0 10px;
    font-size: 22px;
    letter-spacing: -0.3px;
  }
  .section__head p{
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    max-width: 900px;
  }
  
  .grid3{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  .grid2{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  
  .panel{
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--stroke);
    padding: 16px 16px;
  }
  .panel h3{
    margin: 0 0 8px;
    letter-spacing: -0.2px;
    font-size: 16px;
  }
  .panel p{
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
  }
  
  .panel--wide{
    padding: 18px 18px;
  }
  .panel__row{
    display:flex;
    justify-content: space-between;
    gap: 16px;
    align-items: start;
    margin-bottom: 10px;
  }
  .pill{
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid var(--stroke);
    background: var(--panel-strong);
    color: var(--muted);
    font-weight: 650;
    font-size: 12px;
    white-space: nowrap;
  }
  .muted{ color: var(--muted); }
  
  .metric{
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(122,167,255,0.10), rgba(138,240,198,0.07));
    border: 1px solid var(--stroke);
    padding: 16px 16px;
  }
  .metric__value{
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.4px;
    margin-bottom: 6px;
  }
  .metric__label{
    font-weight: 650;
    color: var(--text);
    margin-bottom: 6px;
  }
  .metric__desc{
    color: var(--muted);
    line-height: 1.6;
    font-size: 13px;
  }
  
  .timeline{
    display:grid;
    gap: 14px;
  }
  .tl-item{
    display:grid;
    grid-template-columns: 0.95fr 1.35fr;
    gap: 16px;
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--stroke);
    padding: 16px 16px;
  }
  .tl-date{
    color: var(--faint);
    font-weight: 650;
    font-size: 12px;
    margin-bottom: 8px;
  }
  .tl-org{
    font-weight: 800;
    letter-spacing: -0.3px;
    margin-bottom: 6px;
  }
  .tl-role{
    color: var(--muted);
    font-weight: 650;
    line-height: 1.45;
    margin-bottom: 6px;
  }
  .tl-loc{
    color: var(--faint);
    font-size: 13px;
  }
  
  .contactlist{
    display:grid;
    gap: 10px;
    margin-top: 10px;
  }
  .contactrow{
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 12px;
    border-radius: 14px;
    border: 1px solid var(--stroke);
    background: var(--panel-strong);
  }
  .contactrow__k{
    color: var(--muted);
    font-weight: 650;
  }
  .contactrow__v{
    color: var(--text);
    font-weight: 650;
  }
  
  .footer{
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--stroke);
    display:flex;
    justify-content: space-between;
    align-items:center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .backtotop{
    color: var(--muted);
    font-weight: 650;
  }
  .backtotop:hover{ color: var(--text); }
  
  @media (max-width: 980px){
    .hero__grid{ grid-template-columns: 1fr; }
    .hero__meta{ grid-template-columns: 1fr; }
    .grid3{ grid-template-columns: 1fr; }
    .grid2{ grid-template-columns: 1fr; }
    .tl-item{ grid-template-columns: 1fr; }
    .nav{ display:none; }
    .navbtn{ display:grid; }
  }