:root{
    --blue:#004aad;
    --blue-dark:#00337a;
    --white:#ffffff;
    --ink:#0f1720;
    --ink-soft:#4b5768;
    --line:#e2e7f0;
    --panel:#f5f7fc;
    --mono: 'IBM Plex Mono', monospace;
    --display: 'Space Grotesk', sans-serif;
    --body: 'Inter', sans-serif;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--body);
    color:var(--ink);
    background:var(--white);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1080px; margin:0 auto; padding:0 32px;}

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important; transition:none !important;}
  }

  /* ---------- NAV ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(255,255,255,0.9);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  nav.wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:72px;
  }
  .logo{
    width: 80px;
    height: auto;
  }
  .nav-links{display:flex; gap:32px; list-style:none;}
  .nav-links a{
    font-size:0.88rem; font-weight:500; color:var(--ink-soft);
    position:relative; padding:4px 0;
  }
  .nav-links a:hover{color:var(--blue);}
  .nav-links a::after{
    content:''; position:absolute; left:0; bottom:0; height:2px; width:0;
    background:var(--blue); transition:width .25s ease;
  }
  .nav-links a:hover::after{width:100%;}
  .nav-links a:focus-visible, a:focus-visible{outline:2px solid var(--blue); outline-offset:3px; border-radius:2px;}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    padding:96px 0 72px;
    overflow:hidden;
    background:
      linear-gradient(180deg, var(--white) 0%, var(--panel) 100%);
  }
  .hero::before{
    content:'';
    position:absolute; inset:0;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:48px 48px;
    mask-image:radial-gradient(ellipse 70% 60% at 70% 20%, black 10%, transparent 70%);
    -webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 20%, black 10%, transparent 70%);
    opacity:0.6;
  }
  .hero-grid{
    position:relative;
    display:grid;
    grid-template-columns:1.3fr 0.8fr;
    gap:56px;
    align-items:center;
  }
  .hero-description{
    font-size: 1.5rem;
    font-family: var(--display);
    font-weight: 600;
  }
  h1{
    font-family:var(--display);
    font-weight:700;
    font-size:clamp(2.4rem, 5vw, 3.6rem);
    line-height:1.05;
    letter-spacing:-0.02em;
    color:var(--ink);
  }
  h1 span{color:var(--blue);}
  .hero-sub{
    margin-top:20px;
    font-size:1.08rem;
    color:var(--ink-soft);
    max-width:46ch;
  }
  .hero-links{
    margin-top:32px;
    display:flex; flex-wrap:wrap; gap:14px;
  }
  .btn{
    font-family:var(--body);
    font-weight:600;
    font-size:0.9rem;
    padding:12px 22px;
    border-radius:6px;
    border:1.5px solid var(--blue);
    transition:transform .15s ease, background .15s ease, color .15s ease;
    display:inline-flex; align-items:center; gap:8px;
  }
  .btn-primary{background:var(--blue); color:var(--white);}
  .btn-primary:hover{background:var(--blue-dark); transform:translateY(-1px);}
  .btn-ghost{color:var(--blue); background:transparent;}
  .btn-ghost:hover{background:rgba(0,74,173,0.06); transform:translateY(-1px);}
  .btn:focus-visible{outline:2px solid var(--blue); outline-offset:2px;}

  .hero-photo{
    position:relative;
    justify-self:center;
  }
  .hero-photo .frame{
    width:280px; height:280px;
    border-radius:16px;
    overflow:hidden;
    border:3px solid var(--white);
    box-shadow:0 20px 50px -12px rgba(0,74,173,0.35), 0 0 0 1px var(--line);
    position:relative;
    z-index:2;
  }
  .hero-photo .frame img{width:100%; height:100%; object-fit:cover;}
  .hero-photo .tag{
    position:absolute; bottom:-16px; left:-16px;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:8px;
    padding:10px 14px;
    font-family:var(--mono);
    font-size:0.72rem;
    color:var(--blue);
    box-shadow:0 8px 24px -8px rgba(0,0,0,0.15);
    z-index:3;
  }

  /* ---------- SECTION SHARED ---------- */
  section{padding:80px 0;}
  .section-head{margin-bottom:44px;}
  .section-num{
    font-family:var(--mono);
    font-size:1.25rem;
    font-weight: bold;
    color:var(--blue);
    letter-spacing:0.08em;
    text-transform:uppercase;
    margin-bottom:10px;
    display:block;
  }
  
  .divider{
    border:none; height:1px; background:var(--line);
  }

  /* ---------- ABOUT ---------- */
 
  .about-body p{color:var(--ink-soft); font-size:1.02rem; margin-bottom:16px;}

  /* ---------- EXPERIENCE ---------- */
  .job{
    display:grid;
    grid-template-columns:200px 1fr;
    gap:32px;
    padding:32px 0;
    border-top:1px solid var(--line);
  }
  .job:last-child{border-bottom:1px solid var(--line);}
  .job-meta .role{font-weight:600; font-size:1.05rem; color:var(--ink);}
  .job-meta .dates{
    font-family:var(--mono);
    font-size:0.78rem;
    color:var(--ink-soft);
  }
  .org{
    width:40%;
    height:auto;
  }
  .org-1{
    padding:5px;
    width:40%;
    height:auto;
  }
  .job-meta .badge{
    display:inline-block;
    margin-top:10px;
    font-family:var(--mono);
    font-size:0.68rem;
    letter-spacing:0.06em;
    text-transform:uppercase;
    background:rgba(0,74,173,0.08);
    color:var(--blue);
    padding:4px 9px;
    border-radius:20px;
  }
  .job-desc ul{padding-left:18px; color:var(--ink-soft); font-size:0.95rem;}
  .job-desc li{margin-bottom:8px;}
  .job-desc p.lead{color:var(--ink-soft); font-size:0.95rem; margin-bottom:12px;}

  /* ---------- PROJECTS ---------- */
  .projects-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:24px;
  }
  .card{
    border:1px solid var(--line);
    border-radius:12px;
    padding:32px;
    background:var(--white);
    transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .card:hover{
    border-color:var(--blue);
    transform:translateY(-3px);
    box-shadow:0 16px 32px -18px rgba(0,74,173,0.35);
  }
  .card-top{
    display:flex; justify-content:space-between; align-items:flex-start;
    gap:16px; flex-wrap:wrap;
  }
  .card h3{font-family:var(--display); font-size:1.2rem; margin-bottom:4px;}
  .card .card-role{color:var(--blue); font-weight:600; font-size:0.88rem;}
  .card .card-date{font-family:var(--mono); font-size:0.72rem; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.06em; white-space:nowrap;}
  .card p.lead{color:var(--ink-soft); font-size:0.92rem; margin:14px 0 10px;}
  .card ul{padding-left:18px; color:var(--ink-soft); font-size:0.92rem; margin-top:6px;}
  .card ul li{margin-bottom:8px;}
  .stack{display:flex; flex-wrap:wrap; gap:8px; margin-top:18px;}
  .stack span{
    font-family:var(--mono);
    font-size:0.7rem;
    background:var(--panel);
    border:1px solid var(--line);
    color:var(--ink-soft);
    padding:4px 9px;
    border-radius:5px;
  }
  .card-link{
    display:inline-flex; align-items:center; gap:6px;
    margin-top:20px;
    font-weight:600; font-size:0.85rem;
    color:var(--blue);
    border-bottom:1.5px solid var(--blue);
    padding-bottom:2px;
  }
  .card-link:hover{color:var(--blue-dark); border-color:var(--blue-dark);}

  /* ---------- SKILLS ---------- */
  .skills-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:28px;
  }
  .skill-group h4{
    font-family:var(--mono);
    font-size:0.75rem;
    text-transform:uppercase;
    letter-spacing:0.06em;
    color:var(--blue);
    margin-bottom:14px;
  }
  .skill-group ul{list-style:none;}
  .skill-group li{
    font-size:0.92rem;
    color:var(--ink-soft);
    padding:6px 0;
    border-bottom:1px dashed var(--line);
  }

  /* ---------- EDUCATION / LEADERSHIP / ACCOLADES ---------- */
  .honors{display:grid; gap:0;}
  .honor{
    display:grid; grid-template-columns:110px 1fr; gap:24px;
    padding:20px 0; border-top:1px solid var(--line);
  }
  .honors .honor:last-child{border-bottom:1px solid var(--line);}
  .honor .yr{font-family:var(--mono); color:var(--blue); font-size:0.85rem;}
  .honor h4{font-weight:600; margin-bottom:4px;}
  .honor p{color:var(--ink-soft); font-size:0.9rem;}
  .honor ul{margin-top:10px; padding-left:18px; color:var(--ink-soft); font-size:0.88rem;}
  .honor ul li{margin-bottom:6px;}

  .accolades-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
  }
  .accolade{
    background:var(--white);
    padding:20px 24px;
    display:flex; flex-direction:column; gap:6px;
  }
  .accolade .yr{font-family:var(--mono); font-size:0.72rem; color:var(--blue); letter-spacing:0.04em;}
  .accolade .title{font-size:0.92rem; font-weight:500; color:var(--ink);}

  /* ---------- CONTACT / FOOTER ---------- */
  footer{
    background:var(--blue);
    color:var(--white);
    padding:72px 0 40px;
  }
  footer h2{color:var(--white);}
  footer .section-num{color:#bcd2f2;}
  .contact-sub{color:#cfe0f7; max-width:48ch; margin-top:14px; font-size:1rem;}
  .contact-links{
    margin-top:36px;
    display:flex; flex-wrap:wrap; gap:16px;
  }
  .contact-links a{
    border:1.5px solid rgba(255,255,255,0.35);
    padding:12px 22px;
    border-radius:6px;
    font-weight:600;
    font-size:0.9rem;
    transition:background .15s ease, border-color .15s ease;
  }
  .contact-links a:hover{background:rgba(255,255,255,0.12); border-color:var(--white);}
  .contact-links a:focus-visible{outline:2px solid var(--white); outline-offset:2px;}
  .foot-bottom{
    margin-top:56px; padding-top:24px;
    border-top:1px solid rgba(255,255,255,0.2);
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
    font-size:0.8rem; color:#bcd2f2;
    font-family:var(--mono);
  }

  /* ---------- CONTACT FORM ---------- */
  .contact-layout{
    margin-top:44px;
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:56px;
    align-items:start;
  }
  .contact-form{
    display:grid; gap:16px;
  }
  .field{display:flex; flex-direction:column; gap:6px;}
  .field label{
    font-family:var(--mono);
    font-size:0.72rem;
    letter-spacing:0.05em;
    text-transform:uppercase;
    color:#cfe0f7;
  }
  .field input, .field textarea{
    background:rgba(255,255,255,0.08);
    border:1.5px solid rgba(255,255,255,0.3);
    border-radius:6px;
    padding:12px 14px;
    color:var(--white);
    font-family:var(--body);
    font-size:0.95rem;
  }
  .field input::placeholder, .field textarea::placeholder{color:rgba(255,255,255,0.45);}
  .field input:focus, .field textarea:focus{
    outline:none; border-color:var(--white);
    background:rgba(255,255,255,0.13);
  }
  .field textarea{resize:vertical; min-height:120px; font-family:var(--body);}
  .form-submit{
    justify-self:start;
    background:var(--white);
    color:var(--blue);
    border:none;
    font-weight:700;
    font-size:0.9rem;
    padding:13px 26px;
    border-radius:6px;
    cursor:pointer;
    transition:transform .15s ease, background .15s ease;
  }
  .form-submit:hover{background:#e8f0fc; transform:translateY(-1px);}
  .form-submit:focus-visible{outline:2px solid var(--white); outline-offset:3px;}
  .form-note{font-size:0.78rem; color:#a9c3ea;}
  /* honeypot field, hidden from real users */
  .hp{position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:820px){
    .hero-grid{grid-template-columns:1fr; text-align:left;}
    .hero-photo{justify-self:start;}
    .about-body{grid-template-columns:1fr;}
    .projects-grid{grid-template-columns:1fr;}
    .skills-grid{grid-template-columns:1fr 1fr;}
    .job{grid-template-columns:1fr; gap:12px;}
    .honor{grid-template-columns:1fr; gap:6px;}
    .accolades-grid{grid-template-columns:1fr;}
    .contact-layout{grid-template-columns:1fr; gap:36px;}
    .nav-links{gap:18px;}
  }
  @media (max-width:560px){
    .wrap{padding:0 20px;}
    .skills-grid{grid-template-columns:1fr;}
    .nav-links{display:none;}
  }