:root{
    --bg: #0a0a0d;
    --bg-raised: #101014;
    --surface: #131318;
    --surface-2: #17171d;
    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.14);
    --text: #f2f2f5;
    --text-dim: #b6b6c2;
    --text-faint: #8d8d99;
    --violet: #7c6cff;
    --violet-soft: rgba(124,108,255,0.14);
    --cyan: #45e8d8;
    --yellow: #f5c84b;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --maxw: 1180px;
    --font-head: 'Sora', system-ui, sans-serif;
    --font-body: 'IBM Plex Sans', system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  }

  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  ul{list-style:none;}
  section{position:relative;}
  ::selection{ background: var(--violet-soft); color:#fff; }

  :focus-visible{
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 4px;
  }

  .wrap{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
  }

  h1,h2,h3,h4{ font-family: var(--font-head); font-weight: 700; letter-spacing: -0.01em; }

  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap: 24px;
    margin-bottom: 36px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 18px;
  }
  .section-head h2{
    font-size: clamp(1.7rem, 3vw, 2.3rem);
  }
  .section-index{
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-faint);
    white-space: nowrap;
  }

  .section-pad{ padding: 84px 0; }

  @media (max-width: 720px){
    .section-pad{ padding: 76px 0; }
    .wrap{ padding: 0 20px; }
  }

  /* ---------- NAVBAR ---------- */
  header.nav{
    position: fixed;
    top: 0; left:0; right:0;
    z-index: 100;
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    background: rgba(10,10,13,0.55);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, background .3s ease;
  }
  header.nav.scrolled{
    border-bottom: 1px solid var(--border);
    background: rgba(10,10,13,0.82);
  }
  .nav-inner{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 14px 32px;
    display:flex;
    align-items:center;
    justify-content:space-between;
  }
  .nav-mark{
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.05rem;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .nav-mark .dot{
    width:8px; height:8px; border-radius:50%;
    background: var(--violet);
    box-shadow: 0 0 0 4px var(--violet-soft);
  }
  .nav-links{
    display:flex;
    gap: 6px;
  }
  .nav-links a{
    font-size: 0.92rem;
    color: var(--text-dim);
    padding: 8px 14px;
    border-radius: 20px;
    position:relative;
    transition: color .2s ease;
  }
  .nav-links a:hover{ color: var(--text); }
  .nav-links a.active{ color: #fff; background: var(--violet-soft); box-shadow: inset 0 0 0 1px rgba(124,108,255,0.35); }

  .nav-toggle{
    display:none;
    flex-direction:column;
    gap:5px;
    background:none;
    border:none;
    cursor:pointer;
    padding: 6px;
  }
  .nav-toggle span{ width:22px; height:2px; background: var(--text); display:block; transition: transform .25s ease, opacity .25s ease; }

  .mobile-menu{
    display:none;
    position:fixed;
    inset: 56px 0 0 0;
    background: rgba(10,10,13,0.98);
    z-index: 99;
    padding: 24px 28px;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-menu.open{ display:flex; }
  .mobile-menu a{
    padding: 16px 4px;
    border-bottom: 1px solid var(--border);
    font-size: 1.05rem;
    color: var(--text-dim);
  }
  .mobile-menu a.active{ color: var(--text); }

  @media (max-width: 860px){
    .nav-links{ display:none; }
    .nav-toggle{ display:flex; }
  }

  /* ---------- HERO ---------- */
  .hero{
    min-height: 88svh;
    display:flex;
    align-items:center;
    padding: 92px 0 36px;
    position: relative;
    overflow: hidden;
  }
  #hero-canvas{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    z-index:0;
    opacity: 0.5;
    mask-image: linear-gradient(to bottom, black 60%, transparent 98%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 98%);
  }
  .hero-inner{
    position:relative;
    z-index:1;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
    width:100%;
    display:grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items:center;
  }
  .hero-kicker{
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: .08em;
    color: var(--cyan);
    margin-bottom: 18px;
    display:flex;
    align-items:center;
    gap: 10px;
  }
  .hero-kicker::before{
    content:"";
    width: 7px; height: 7px; border-radius:50%;
    background: var(--yellow);
    box-shadow: 0 0 0 4px rgba(245,200,75,0.14);
  }
  .hero h1{
    font-size: clamp(2.4rem, 4.6vw, 4rem);
    line-height: 1.06;
    max-width: 15ch;
    background: linear-gradient(180deg, #fff, #d4d4e6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero p.lede{
    margin-top: 20px;
    max-width: 52ch;
    font-size: 1.06rem;
    color: var(--text-dim);
  }
  .hero-ctas{
    display:flex;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
  }
  .btn{
    display:inline-flex;
    align-items:center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor:pointer;
    border: 1px solid transparent;
    transition: transform .18s ease, background .2s ease, border-color .2s ease;
    font-family: var(--font-body);
  }
  .btn:hover{ transform: translateY(-2px); }
  .btn-primary{
    background: var(--violet);
    color: #fff;
    box-shadow: 0 6px 22px -8px rgba(124,108,255,0.7);
  }
  .btn-primary:hover{ background: #8c7dff; }
  .btn-ghost{
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text);
  }
  .btn-ghost:hover{ border-color: var(--cyan); }

  .hero-stack{
    display:flex;
    align-items:center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    max-width: 640px;
  }
  .hero-stack span{
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-dim);
  }
  .hero-stack .sep{
    width: 3px; height: 3px; border-radius:50%;
    background: var(--violet);
    display:block;
  }

  /* ---- AI system visual ---- */
  .hero-visual{
    width: min(100%, calc((88svh - 110px) * 1.04));
    min-width: 0;
    margin-inline: auto;
    container-type: inline-size;
  }
  .ai-system{
    position:relative;
    width:100%;
    aspect-ratio: 520 / 500;
    animation: aiFloat 9s ease-in-out infinite;
  }
  @keyframes aiFloat{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-8px); } }
  .ai-system::before{
    content:"";
    position:absolute;
    left:50%; top:50%;
    width: 70%; height: 70%;
    transform: translate(-50%,-50%);
    background: radial-gradient(closest-side, rgba(124,108,255,0.20), rgba(124,108,255,0) 70%);
    pointer-events:none;
  }
  .ai-links{ position:absolute; inset:0; width:100%; height:100%; }
  .ai-links .link{ stroke: rgba(143,134,255,0.28); stroke-width: 1; stroke-dasharray: 3 5; vector-effect: non-scaling-stroke; }
  .ai-links .pulse{ fill: var(--cyan); opacity: .85; }
  .ai-links .pulse.p2{ fill: var(--yellow); }

  .ai-core{
    position:absolute;
    left:50%; top:50%;
    width: 42cqw;
    transform: translate(-50%,-50%);
  }
  .ai-core svg{ width:100%; height:auto; display:block; overflow:visible; }
  .ai-core .ring{ stroke: rgba(143,134,255,0.5); stroke-width: 1.2; }
  .ai-core .orbit{ transform-origin: 100px 100px; animation: spin 36s linear infinite; }
  .ai-core .ring-dash{ stroke: rgba(69,232,216,0.35); stroke-dasharray: 2 5; }
  .ai-core .orb-dot{ fill: var(--yellow); }
  @keyframes spin{ to{ transform: rotate(360deg); } }
  .ai-core .disc{ fill: #0f0f16; stroke: rgba(143,134,255,0.65); stroke-width: 1.6; }
  .ai-core .nn-lines line{ stroke: rgba(69,232,216,0.28); stroke-width: 0.9; }
  .ai-core .nn-nodes circle{ fill: var(--cyan); animation: nodeGlow 3.6s ease-in-out infinite; }
  .ai-core .nn-nodes circle:nth-child(3n+2){ fill: #8f86ff; animation-delay: .9s; }
  .ai-core .nn-nodes circle:nth-child(3n){ animation-delay: 1.8s; }
  .ai-core .nn-nodes .hub{ fill: var(--yellow); }
  @keyframes nodeGlow{ 0%,100%{ opacity:.55; } 50%{ opacity:1; } }
  .core-tag{
    position:absolute;
    left:50%; bottom: -3cqw;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: max(9px, 2cqw);
    letter-spacing: .06em;
    color: var(--text);
    padding: .8cqw 2.4cqw;
    background: #15151d;
    border: 1px solid rgba(143,134,255,0.45);
    border-radius: 20px;
    white-space: nowrap;
  }

  .chip-card{
    position:absolute;
    transform: translate(-50%,-50%);
    display:flex;
    align-items:center;
    gap: 1.6cqw;
    padding: 1.8cqw 2.6cqw;
    font-family: var(--font-mono);
    font-size: max(10px, 2.5cqw);
    color: var(--text);
    background: rgba(19,19,24,0.92);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    white-space: nowrap;
  }
  .chip-card i{ width:6px; height:6px; border-radius:50%; background: var(--violet); box-shadow: 0 0 8px rgba(124,108,255,0.8); flex:none; }
  .c-ml, .c-rag, .c-tf, .c-py{ left:15%; }
  .c-mcp, .c-fl, .c-re, .c-sq{ left:85%; }
  .c-ml, .c-mcp{ top:17%; } .c-rag, .c-fl{ top:39%; } .c-tf, .c-re{ top:61%; } .c-py, .c-sq{ top:83%; }
  .c-rag, .c-mcp{ border-color: rgba(245,200,75,0.45); }
  .c-tf i, .c-rag i, .c-mcp i{ background: var(--yellow); box-shadow: 0 0 8px rgba(245,200,75,0.8); }
  .c-re i, .c-py i{ background: var(--cyan); box-shadow: 0 0 8px rgba(69,232,216,0.8); }

  .status-pill{
    position:absolute;
    left:50%; top: 1%;
    transform: translateX(-50%);
    display:flex; align-items:center; gap: 1.6cqw;
    padding: 1cqw 2.6cqw;
    font-family: var(--font-mono);
    font-size: max(9px, 2.1cqw);
    color: var(--cyan);
    border: 1px solid rgba(69,232,216,0.3);
    background: rgba(69,232,216,0.07);
    border-radius: 20px;
    white-space: nowrap;
  }
  .live-dot{ width:6px; height:6px; border-radius:50%; background: var(--cyan); animation: nodeGlow 2.4s ease-in-out infinite; }

  .acc-card{
    position:absolute;
    left:50%; top: 11%;
    transform: translateX(-50%);
    width: 34cqw;
    padding: 2cqw 2.4cqw;
    background: rgba(19,19,24,0.92);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    font-size: max(9px, 2.1cqw);
  }
  .acc-row{ display:flex; justify-content:space-between; color: var(--text-dim); font-family: var(--font-mono); }
  .acc-row b{ color: var(--text); font-weight:500; }
  .acc-bar{ margin-top: 1.4cqw; height: 4px; border-radius: 4px; background: #23232c; overflow:hidden; }
  .acc-bar span{ display:block; height:100%; width:94.2%; border-radius:4px; background: linear-gradient(90deg, var(--violet), var(--cyan)); }

  .term-card{
    position:absolute;
    left:50%; top: 76%;
    transform: translateX(-50%);
    width: 44cqw;
    background: rgba(12,12,16,0.94);
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    overflow:hidden;
  }
  .term-bar{ display:flex; gap:5px; padding: 1.6cqw 2.2cqw; border-bottom: 1px solid var(--border); }
  .term-bar span{ width:6px; height:6px; border-radius:50%; background:#2f2f3a; }
  .term-card pre{
    margin:0; padding: 1.8cqw 2.6cqw 2.2cqw;
    font-family: var(--font-mono);
    font-size: max(9px, 2.1cqw);
    line-height: 1.6;
    color: var(--text-dim);
    white-space: pre;
    overflow:hidden;
  }
  .t-dim{ color: var(--text-faint); } .t-cyan{ color: var(--cyan); } .t-yel{ color: var(--yellow); }

  @container (max-width: 470px){
    .c-ml, .c-mcp{ top: 24%; } .c-rag, .c-fl{ top: 42%; } .c-tf, .c-re{ top: 60%; } .c-py, .c-sq{ top: 78%; }
    .c-ml, .c-rag, .c-tf, .c-py{ left: 18%; }
    .c-mcp, .c-fl, .c-re, .c-sq{ left: 82%; }
    .acc-card{ top: 9%; width: 42cqw; white-space: nowrap; }
    .term-card{ display:none; }
    .ai-core{ width: 40cqw; }
  }

  @media (max-width: 900px){
    .hero{ min-height: auto; padding: 88px 0 48px; }
    .hero-inner{ grid-template-columns: 1fr; gap: 36px; padding: 0 20px; }
    .hero-visual{ width: min(100%, 520px); }
  }

  /* ---------- ABOUT ---------- */
  .about-grid{
    display:grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: start;
  }
  .about-grid p{
    color: var(--text-dim);
    font-size: 1.05rem;
    max-width: 62ch;
  }
  .about-grid p + p{ margin-top: 18px; }
  .about-facts{
    display:flex;
    flex-direction:column;
    gap: 0;
    border-top: 1px solid var(--border);
  }
  .fact{
    display:flex;
    justify-content:space-between;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.92rem;
  }
  .fact .k{ color: var(--text-faint); }
  .fact .v{ color: var(--text); text-align:right; }

  @media (max-width: 860px){
    .about-grid{ grid-template-columns: 1fr; gap: 36px; }
  }

  /* ---------- SKILLS ---------- */
  .skills-groups{
    display:grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .skill-group{
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
  }
  .skill-group h3{
    font-size: 1.05rem;
    margin-bottom: 6px;
  }
  .skill-group .group-sub{
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-faint);
    margin-bottom: 22px;
    display:block;
  }
  .skill-tiles{
    display:flex;
    flex-wrap:wrap;
    gap: 8px;
  }
  .skill-tile{
    padding: 8px 13px;
    border-radius: 8px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: border-color .2s ease, color .2s ease, transform .2s ease;
  }
  .skill-group:nth-child(1) .skill-tile:hover{ border-color: var(--cyan); color:#fff; transform: translateY(-2px); }
  .skill-group:nth-child(2) .skill-tile:hover{ border-color: var(--violet); color:#fff; transform: translateY(-2px); }
  .skill-group:nth-child(3) .skill-tile:hover{ border-color: var(--cyan); color:#fff; transform: translateY(-2px); }
  .skill-group:nth-child(4) .skill-tile:hover{ border-color: var(--violet); color:#fff; transform: translateY(-2px); }
  .skill-tile.hot{ border-color: rgba(245,200,75,0.4); color: var(--text); }

  .soft-skills{
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px dashed var(--border);
  }
  .soft-skills span{ font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }
  .soft-skills .skill-tiles{ margin-top: 14px; }

  @media (max-width: 760px){
    .skills-groups{ grid-template-columns: 1fr; }
  }

  /* ---------- PROJECTS ---------- */
  .projects-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap: 24px 40px;
    flex-wrap: wrap;
    margin-bottom: 32px;
  }
  .eyebrow{
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: .14em;
    color: var(--cyan);
    display:block;
    margin-bottom: 10px;
  }
  .projects-head h2{ font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
  .projects-sub{
    margin-top: 10px;
    max-width: 58ch;
    color: var(--text-dim);
    font-size: 0.98rem;
  }
  .proj-stats{ display:flex; gap: 8px; flex-wrap: wrap; }
  .proj-stats li{
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-dim);
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--surface);
    display:flex; align-items:center; gap: 8px;
  }
  .proj-stats li::before{ content:""; width:5px; height:5px; border-radius:50%; background: var(--violet); }
  .proj-stats li:first-child::before{ background: var(--yellow); }

  .projects-list{
    display:grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .project-card{
    display:flex;
    gap: 18px;
    align-items:flex-start;
    padding: 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color .25s ease, transform .25s ease, background .25s ease;
  }
  .project-card:hover{
    border-color: rgba(124,108,255,0.5);
    background: #15151b;
    transform: translateY(-3px);
  }
  .project-icon{
    flex: none;
    width: 64px; height: 64px;
    padding: 10px;
    border-radius: 14px;
    background: linear-gradient(160deg, #1a1a22, #101015);
    border: 1px solid var(--border);
    transition: border-color .25s ease;
  }
  .project-card:hover .project-icon{ border-color: rgba(69,232,216,0.4); }
  .project-icon svg{ width:100%; height:100%; display:block; }
  .project-body{
    flex:1;
    min-width:0;
    align-self: stretch;
    display:flex;
    flex-direction:column;
    gap: 10px;
  }
  .project-top{
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap: 6px 12px;
    flex-wrap:wrap;
  }
  .project-top h3{ font-size: 1.05rem; line-height: 1.3; flex: 1 1 200px; }
  .project-cat{
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--cyan);
    padding: 3px 9px;
    border: 1px solid rgba(69,232,216,0.28);
    border-radius: 20px;
    white-space:nowrap;
  }
  .project-desc{ color: var(--text-dim); font-size: 0.9rem; line-height: 1.55; }
  .project-features{
    display:flex;
    flex-wrap:wrap;
    gap: 6px;
  }
  .feature-pill{
    font-size: 0.74rem;
    color: var(--text-dim);
    padding: 3px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    background: rgba(124,108,255,0.06);
  }
  .project-tech{
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-faint);
  }
  .project-tech b{ color: var(--text-dim); font-weight:500; }
  .project-foot{
    margin-top: auto;
    padding-top: 4px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: 12px;
  }
  .proj-links{ display:flex; gap: 14px; }
  .proj-link{ font-size: 0.82rem; color: var(--text-dim); border-bottom: 1px solid var(--border-strong); }
  .proj-link:hover{ color: var(--cyan); border-color: var(--cyan); }
  .proj-arrow{
    margin-left: auto;
    width: 32px; height: 32px;
    display:flex; align-items:center; justify-content:center;
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    color: var(--text-dim);
    transition: transform .25s ease, color .25s ease, border-color .25s ease;
  }
  .project-card:hover .proj-arrow{ transform: translateX(4px); color: var(--cyan); border-color: var(--cyan); }

  @media (max-width: 820px){
    .projects-list{ grid-template-columns: 1fr; }
  }
  @media (max-width: 480px){
    .project-card{ padding: 18px; gap: 14px; }
    .project-icon{ width: 52px; height: 52px; padding: 8px; }
  }

  /* ---------- EXPERIENCE (timeline) ---------- */
  .timeline{
    position:relative;
    padding-left: 32px;
    border-left: 1px solid var(--border);
  }
  .tl-item{
    position:relative;
    padding-bottom: 44px;
  }
  .tl-item:last-child{ padding-bottom: 0; }
  .tl-item::before{
    content:"";
    position:absolute;
    left: -37px;
    top: 4px;
    width: 11px; height: 11px;
    border-radius:50%;
    background: var(--bg);
    border: 2px solid var(--violet);
  }
  .tl-date{
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-faint);
    margin-bottom: 6px;
  }
  .tl-role{ font-size: 1.1rem; margin-bottom: 4px; }
  .tl-org{ color: var(--cyan); font-size: 0.92rem; margin-bottom: 12px; display:block; }
  .tl-item ul{ display:flex; flex-direction:column; gap: 6px; }
  .tl-item li{
    color: var(--text-dim);
    font-size: 0.95rem;
    padding-left: 18px;
    position: relative;
  }
  .tl-item li::before{
    content:"";
    position:absolute;
    left:0; top: 10px;
    width: 5px; height:1px;
    background: var(--text-faint);
  }

  .exp-note{
    margin-top: 40px;
    padding: 22px 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text-dim);
    font-size: 0.95rem;
  }

  /* ---------- EDUCATION ---------- */
  .edu-list{
    display:flex;
    flex-direction:column;
    gap: 0;
  }
  .edu-item{
    display:grid;
    grid-template-columns: 140px 1fr auto;
    gap: 24px;
    align-items:center;
    padding: 26px 0;
    border-bottom: 1px solid var(--border);
  }
  .edu-item:first-child{ border-top: 1px solid var(--border); }
  .edu-year{ font-family: var(--font-mono); color: var(--text-faint); font-size: 0.88rem; }
  .edu-degree{ font-size: 1.08rem; margin-bottom: 4px; }
  .edu-school{ color: var(--text-dim); font-size: 0.92rem; }
  .edu-score{
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--cyan);
    text-align:right;
    white-space:nowrap;
  }
  @media (max-width: 640px){
    .edu-item{ grid-template-columns: 1fr; gap: 6px; }
    .edu-score{ text-align:left; }
  }

  /* ---------- CONTACT ---------- */
  .contact-band{
    padding: 80px 0;
    border-top: 1px solid var(--border);
    position:relative;
    overflow:hidden;
  }
  .contact-inner{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
    text-align:center;
  }
  .contact-inner h2{
    font-size: clamp(2rem, 5vw, 3.2rem);
    max-width: 16ch;
    margin: 0 auto;
  }
  .contact-inner p{
    color: var(--text-dim);
    max-width: 46ch;
    margin: 20px auto 0;
  }
  .contact-links{
    display:flex;
    justify-content:center;
    gap: 14px;
    flex-wrap:wrap;
    margin-top: 40px;
  }
  .contact-link{
    display:flex;
    align-items:center;
    gap: 10px;
    padding: 14px 22px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    font-size: 0.92rem;
    transition: border-color .2s ease, transform .2s ease;
  }
  .contact-link:hover{ border-color: var(--cyan); transform: translateY(-2px); }

  footer{
    border-top: 1px solid var(--border);
    padding: 28px 0;
  }
  .footer-inner{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap: 10px;
    color: var(--text-faint);
    font-size: 0.85rem;
  }

  /* ---------- scroll reveal ---------- */
  .reveal{
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .6s ease, transform .6s ease;
  }
  .reveal.in{ opacity:1; transform:none; }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .reveal{ opacity:1; transform:none; transition:none; }
    #hero-canvas{ display:none; }
    .btn:hover, .project-card:hover, .skill-tile:hover, .contact-link:hover, .project-card:hover .proj-arrow{ transform:none; }
    .ai-system, .ai-core .orbit, .ai-core .nn-nodes circle, .live-dot{ animation:none; }
  }