:root{
    --bg: #170f1c;
    --bg-alt: #1c1322;
    --panel: #241a2c;
    --panel-hover: #2c2036;
    --border: #372a41;
    --border-strong: #4a3a56;
    --text: #f3eef7;
    --text-dim: #b7a9c4;
    --text-faint: #7d6d8a;

    --primary: #ff2970;
    --primary-deep: #d60047;
    --primary-soft: rgba(255,41,112,.15);

    --secondary: #00ebeb;
    --secondary-deep: #009392;
    --secondary-soft: rgba(0,235,235,.14);

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --r-sm: 10px;
    --r-md: 16px;
    --r-lg: 24px;
    --r-pill: 999px;
    --bar-h: 76px;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; scroll-padding-top: calc(var(--bar-h) + 20px); }
  body{
    margin:0;
    background: #0a070d;
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    position: relative;
  }

  /* ---------- Falling pixels background ---------- */
  #pixel-rain{
    position: fixed;
    inset: 0;
    z-index: 1;
    display: block;
    pointer-events: none;
  }
  #bg-glow{
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
      radial-gradient(560px 460px at 82% 12%, rgba(255,41,112,.28), transparent 65%),
      radial-gradient(480px 400px at 6% 78%, rgba(0,235,235,.20), transparent 65%),
      radial-gradient(680px 560px at 50% 130%, rgba(214,0,71,.13), transparent 70%);
  }
  .navbar, .hero, section, footer{ position: relative; z-index: 2; }

  /* ---------- Scroll reveal ---------- */
  [data-reveal]{
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s cubic-bezier(.22,.9,.32,1), transform .7s cubic-bezier(.22,.9,.32,1);
    will-change: opacity, transform;
  }
  [data-reveal].in-view{ opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce){
    [data-reveal]{ transform: translateY(8px); transition: opacity .4s ease, transform .4s ease; }
  }

  /* ---------- Hero load-in ---------- */
  @keyframes fadeUp{ from{ opacity:0; transform: translateY(22px); } to{ opacity:1; transform:none; } }
  .hero-grid > *{ animation: fadeUp .8s cubic-bezier(.22,.9,.32,1) both; }
  .hero-grid > *:nth-child(2){ animation-delay: .18s; }
  @media (prefers-reduced-motion: reduce){
    .hero-grid > *{ animation-duration: .5s; }
  }
  ::selection{ background: var(--primary); color: #fff; }
  a{ color: inherit; text-decoration: none; }
  ul{ list-style:none; margin:0; padding:0; }
  button{ font-family: inherit; cursor:pointer; }
  .wrap{ max-width: 1180px; margin: 0 auto; padding: 0 28px; }

  /* ---------- Floating pill nav ---------- */
  .navbar{ position: fixed; top:16px; left:0; right:0; z-index:100; display:flex; justify-content:center; padding: 0 16px; }
  .navbar-inner{
    width:100%; max-width: 1080px;
    display:flex; align-items:center; justify-content:space-between; gap:20px;
    background: rgba(28,19,34,.78);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    padding: 10px 12px 10px 18px;
    box-shadow: 0 8px 30px rgba(0,0,0,.35);
  }
  .brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-display); font-weight:700; font-size:.98rem; white-space:nowrap; }
  .brand:hover .brand-mark{ transform: scale(1.06); }
  .brand-mark{
    width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    background: linear-gradient(135deg, var(--primary), var(--secondary-deep));
    font-family: var(--font-display); font-weight:700; font-size:.85rem; color:#170f1c;
    box-shadow: 0 3px 0 rgba(0,0,0,.25);
    transition: transform .18s ease;
  }

  .nav-links{ display:flex; align-items:center; gap:4px; }
  .nav-links a{
    font-family: var(--font-body); font-weight:600; font-size:.85rem;
    color: var(--text-dim); padding: 9px 15px; border-radius: var(--r-pill);
    transition: all .18s ease;
  }
  .nav-links a:hover{ color: var(--text); background: var(--panel-hover); }
  .nav-links a.active{ color:#170f1c; background: linear-gradient(135deg, var(--secondary), var(--secondary-deep)); }

  .nav-cta{
    font-family: var(--font-body); font-weight:700; font-size:.85rem; white-space:nowrap;
    padding: 10px 18px; border-radius: var(--r-pill); color:#fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    box-shadow: 0 4px 0 #96003a;
    transition: transform .12s ease, box-shadow .12s ease;
  }
  .nav-cta:hover{ transform: translateY(-1px); }
  .nav-cta:active{ transform: translateY(2px); box-shadow: 0 1px 0 #96003a; }

  .menu-toggle{ display:none; background:none; border:1px solid var(--border); color:var(--text); width:38px; height:38px; border-radius:50%; align-items:center; justify-content:center; }
  .menu-toggle svg{ width:18px; height:18px; }

  /* ---------- Hero ---------- */
  .hero{
    position:relative; overflow:hidden;
    padding-top: calc(var(--bar-h) + 100px);
    padding-bottom: 140px;
    min-height: 88vh;
    display:flex; align-items:center;
  }
  .hero-logo-bg{
    position:absolute; top:50%; right:-6%; transform: translateY(-50%);
    width: 700px; max-width: 68vw; opacity:.07; filter: grayscale(1) brightness(2);
    pointer-events:none; z-index:0; user-select:none;
  }
  .hero-grid{ position:relative; z-index:1; display:block; max-width: 760px; width:100%; }

  .eyebrow{
    display:inline-flex; align-items:center; gap:9px;
    font-weight:600; font-size:.85rem; color: var(--text-dim);
    background: var(--panel); border:1px solid var(--border); border-radius: var(--r-pill);
    padding: 8px 18px 8px 11px; margin-bottom:26px;
  }
  .eyebrow .dot{ width:8px; height:8px; border-radius:50%; background: var(--secondary); box-shadow: 0 0 0 4px var(--secondary-soft); }

  h1.hero-title{
    font-family: var(--font-display); font-weight:700;
    font-size: clamp(2.6rem, 6vw, 4.6rem);
    line-height: 1.06; letter-spacing:-.01em;
    margin: 0 0 22px;
  }
  h1.hero-title .hl{
    background: linear-gradient(100deg, var(--primary) 10%, var(--secondary) 90%);
    -webkit-background-clip: text; background-clip:text; color: transparent;
  }
  .hero-desc{ color: var(--text-dim); font-size: 1.15rem; max-width: 58ch; margin: 0 0 36px; }

  /* typewriter tagline */
  .hero-type{
    display:flex; align-items:center; gap:3px;
    font-family: var(--font-mono); font-size:1.1rem; font-weight:500;
    color: var(--secondary); margin: 0 0 22px; min-height: 1.6em;
  }
  .type-cursor{
    display:inline-block; width:2px; height:1.2em; background: var(--secondary);
    animation: blink 1s step-end infinite;
  }
  @keyframes blink{ 50%{ opacity:0; } }
  @media (prefers-reduced-motion: reduce){
    .type-cursor{ animation-duration: 2.6s; }
  }

  .hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom: 34px; }
  .btn{
    display:inline-flex; align-items:center; gap:9px;
    padding: 15px 26px; border-radius: var(--r-pill);
    font-family: var(--font-body); font-size:.96rem; font-weight:700;
    transition: transform .12s ease, box-shadow .12s ease;
  }
  .btn svg{ width:16px; height:16px; }
  .btn-primary{ color:#fff; background: linear-gradient(135deg, var(--primary), var(--primary-deep)); box-shadow: 0 5px 0 #96003a; }
  .btn-primary:hover{ transform: translateY(-2px); }
  .btn-primary:active{ transform: translateY(3px); box-shadow: 0 1px 0 #96003a; }
  .btn-ghost{ color: var(--text); background: var(--panel); border: 1px solid var(--border-strong); box-shadow: 0 4px 0 var(--border); }
  .btn-ghost:hover{ transform: translateY(-2px); background: var(--panel-hover); }
  .btn-ghost:active{ transform: translateY(3px); box-shadow: 0 1px 0 var(--border); }

  /* circular social icon buttons, animated gradient ring + tooltip on hover */
  .hero-links{ display:flex; flex-wrap:wrap; justify-content:center; gap:16px; }
  .hero-links a{
    position:relative; width:62px; height:62px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    background: var(--bg-alt); color: var(--text-dim);
    isolation:isolate; transition: color .2s ease, transform .2s ease;
  }
  .hero-links a::before{
    content:""; position:absolute; inset:0; border-radius:50%; padding:2px;
    background: conic-gradient(from 0deg, var(--primary), var(--secondary), var(--primary));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    opacity:0; transition: opacity .25s ease; z-index:0;
    animation: spin-ring 2.2s linear infinite; animation-play-state: paused;
  }
  .hero-links a::after{
    content:""; position:absolute; inset:0; border-radius:50%; border:1px solid var(--border-strong);
    transition: opacity .2s ease;
  }
  .hero-links a:hover{ color: var(--secondary); transform: translateY(-3px); }
  .hero-links a:hover::before{ opacity:1; animation-play-state: running; }
  .hero-links a:hover::after{ opacity:0; }
  .hero-links a svg{ position:relative; z-index:1; width:24px; height:24px; }
  @keyframes spin-ring{ to{ transform: rotate(360deg); } }
  @media (prefers-reduced-motion: reduce){
    .hero-links a::before{ animation-duration: 6s; }
  }

  .hero-links a .tip{
    position:absolute; bottom: calc(100% + 12px); left:50%; transform: translateX(-50%) translateY(6px);
    background: var(--panel); border:1px solid var(--border-strong); color: var(--text);
    font-size:.74rem; font-weight:600; padding:6px 12px; border-radius:7px; white-space:nowrap;
    opacity:0; pointer-events:none; transition: opacity .18s ease, transform .18s ease; z-index:2;
    box-shadow: 0 6px 16px rgba(0,0,0,.35);
  }
  .hero-links a .tip::after{
    content:""; position:absolute; top:100%; left:50%; transform:translateX(-50%);
    border:5px solid transparent; border-top-color: var(--border-strong);
  }
  .hero-links a:hover .tip{ opacity:1; transform: translateX(-50%) translateY(0); }
  @media (prefers-reduced-motion: reduce){
    .hero-links a .tip{ transition: opacity .18s ease; }
  }

  /* ---------- Sections generic ---------- */
  section{ padding: 92px 0; }
  .section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap: 20px; margin-bottom: 44px; flex-wrap:wrap; }
  .badge-label{
    display:inline-flex; align-items:center; gap:8px;
    font-weight:700; font-size:.8rem;
    color: var(--primary); background: var(--primary-soft);
    padding: 7px 15px; border-radius: var(--r-pill); margin-bottom:14px;
  }
  .badge-label.alt{ color: var(--secondary); background: var(--secondary-soft); }
  h2.section-title{ font-family: var(--font-display); font-size: clamp(1.6rem,3vw,2.2rem); font-weight:700; margin: 0; }
  .section-sub{ color: var(--text-dim); max-width: 60ch; margin: 10px 0 0; font-size: .98rem; }

  /* ---------- Featured project cards ---------- */
  .grid-featured{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .card{
    background: var(--panel); border:1px solid var(--border); border-radius: var(--r-lg);
    overflow:hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    display:flex; flex-direction:column;
  }
  .card:hover{ transform: translateY(-5px) rotate(-.4deg); border-color: var(--border-strong); box-shadow: 0 16px 34px rgba(0,0,0,.32); }
  .card-thumb{
    position:relative; height:132px;
    background: linear-gradient(135deg, var(--thumb-a, var(--primary-soft)), var(--thumb-b, var(--secondary-soft)));
    display:flex; align-items:center; justify-content:center;
  }
  .card-thumb .badge-icon{
    width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    background: rgba(23,15,28,.55); backdrop-filter: blur(2px);
    font-family: var(--font-display); font-weight:700; font-size:1.15rem; color:#fff;
    border: 2px solid rgba(255,255,255,.25);
  }
  .card-thumb .thumb-tag{
    position:absolute; top:12px; left:12px; font-size:.68rem; font-weight:700;
    color:#fff; background: rgba(23,15,28,.55); padding:5px 11px; border-radius: var(--r-pill);
  }
  .card-body{ padding: 20px 22px 22px; display:flex; flex-direction:column; gap:11px; flex:1; }
  .card-title{ font-family: var(--font-display); font-weight:700; font-size:1.1rem; }
  .card-desc{ color: var(--text-dim); font-size:.88rem; flex:1; }
  .chip-row{ display:flex; flex-wrap:wrap; gap:7px; }
  .chip{
    font-size:.72rem; font-weight:600;
    color: var(--text-dim); background: var(--bg-alt); border:1px solid var(--border);
    padding: 4px 11px; border-radius: var(--r-pill);
  }
  .card-link{
    margin-top:6px; display:inline-flex; align-items:center; gap:7px; width:fit-content;
    font-size:.83rem; font-weight:700; color:#170f1c;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-deep));
    padding: 9px 16px; border-radius: var(--r-pill);
    transition: transform .15s ease;
  }
  .card-link svg{ width:13px; height:13px; }
  .card:hover .card-link{ transform: translateX(2px); }

  /* ---------- All projects filter grid ---------- */
  .filters{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom: 32px; }
  .filter-btn{
    font-weight:600; font-size:.82rem;
    padding: 9px 18px; border-radius: var(--r-pill); border:1px solid var(--border);
    background: var(--panel); color: var(--text-dim); transition: all .15s ease;
  }
  .filter-btn:hover{ color: var(--text); border-color: var(--border-strong); }
  .filter-btn.active{ color:#170f1c; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-color: transparent; }

  .grid-all{ display:grid; grid-template-columns: repeat(2, 1fr); gap:14px; }
  .row-card{
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    background: var(--panel); border:1px solid var(--border); border-radius: var(--r-md);
    padding: 18px 20px; transition: all .15s ease;
  }
  .row-card:hover{ border-color: var(--border-strong); background: var(--panel-hover); transform: translateY(-2px); }
  .row-card.hide{ display:none; }
  .row-main .row-title{ font-weight:700; font-size:.98rem; margin-bottom:4px; }
  .row-main .row-desc{ color: var(--text-dim); font-size:.82rem; margin-bottom:9px; }
  .row-link{
    flex-shrink:0; width:38px; height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center;
    background: var(--bg-alt); border:1px solid var(--border); color: var(--secondary); transition: all .15s ease;
  }
  .row-link:hover{ background: var(--secondary); color:#170f1c; }
  .row-link svg{ width:15px; height:15px; }

  /* ---------- Experience: level path timeline ---------- */
  .timeline{ position:relative; padding-left: 40px; }
  .timeline::before{
    content:""; position:absolute; left:9px; top:8px; bottom:8px; width:4px; border-radius: var(--r-pill);
    background: linear-gradient(180deg, var(--primary), var(--secondary));
  }
  .t-item{ position:relative; padding-bottom: 38px; }
  .t-item:last-child{ padding-bottom:0; }
  .t-item::before{
    content:""; position:absolute; left:-40px; top:2px; width:22px; height:22px; border-radius:50%;
    background: var(--t-color, var(--primary)); border:4px solid var(--bg);
    box-shadow: 0 0 0 2px var(--border-strong);
  }
  .t-card{ background: var(--panel); border:1px solid var(--border); border-radius: var(--r-md); padding:18px 20px; }
  .t-date{ font-family: var(--font-mono); font-weight:600; font-size:.72rem; color: var(--secondary); margin-bottom:5px; letter-spacing:.03em; }
  .t-role{ font-family: var(--font-display); font-weight:700; font-size: 1.02rem; }
  .t-org{ color: var(--text-dim); font-size:.86rem; margin-bottom:10px; }
  .t-desc{ color: var(--text-dim); font-size:.9rem; max-width:70ch; margin-bottom:12px; }

  /* ---------- Skills ---------- */
  .skills-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .skill-group{ background: var(--panel); border:1px solid var(--border); border-radius: var(--r-lg); padding: 22px 24px; }
  .skill-group h3{
    display:inline-flex; font-size:.82rem; font-weight:700;
    color: var(--sg-color, var(--primary)); background: var(--sg-bg, var(--primary-soft));
    margin:0 0 16px; padding: 6px 14px; border-radius: var(--r-pill);
  }
  .skill-tags{ display:flex; flex-wrap:wrap; gap:8px; }
  .skill-tags .chip{ font-size:.76rem; }

  /* ---------- Contact ---------- */
  .contact-panel{
    position:relative; overflow:hidden;
    background: var(--panel); border:1px solid var(--border); border-radius: var(--r-lg);
    padding: 52px; display:grid; grid-template-columns: 1.1fr .9fr; gap:40px; align-items:center;
  }
  .contact-panel::before{
    content:""; position:absolute; inset:0; z-index:0;
    background: radial-gradient(360px 260px at 90% -10%, rgba(255,41,112,.22), transparent 65%),
                radial-gradient(320px 260px at -10% 110%, rgba(0,235,235,.18), transparent 65%);
  }
  .contact-panel > *{ position:relative; z-index:1; }
  .contact-panel h2{ font-family: var(--font-display); font-size: clamp(1.5rem,3vw,2rem); margin:0 0 12px; }
  .contact-panel p{ color: var(--text-dim); max-width: 46ch; }
  .contact-links{ display:grid; grid-template-columns: repeat(2,1fr); gap:10px; }
  .clink{
    display:flex; align-items:center; gap:10px; font-weight:600; font-size:.85rem;
    background: var(--bg-alt); border:1px solid var(--border); border-radius: var(--r-pill);
    padding: 12px 16px; transition: all .15s ease;
  }
  .clink:hover{ border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
  .clink svg{ width:15px; height:15px; flex-shrink:0; }

  footer{ padding: 30px 0 44px; text-align:center; font-size:.8rem; color: var(--text-faint); }

  /* ---------- Responsive ---------- */
  @media (max-width: 920px){
    .navbar-inner .nav-links{ position: fixed; top: calc(var(--bar-h) + 6px); left:16px; right:16px; background: var(--panel); border:1px solid var(--border); border-radius: var(--r-lg);
      flex-direction:column; align-items:stretch; padding: 10px; display:none; box-shadow: 0 12px 30px rgba(0,0,0,.4); }
    .navbar-inner .nav-links.open{ display:flex; }
    .navbar-inner .nav-links a{ padding: 13px 16px; border-radius: var(--r-md); }
    .menu-toggle{ display:flex; }
    .hero-logo-bg{ width: 420px; opacity:.05; }
    .grid-featured{ grid-template-columns: 1fr 1fr; }
    .grid-all{ grid-template-columns: 1fr; }
    .skills-grid{ grid-template-columns: 1fr; }
    .contact-panel{ grid-template-columns: 1fr; padding: 34px 26px; }
    .contact-links{ grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 620px){
    .grid-featured{ grid-template-columns: 1fr; }
    .contact-links{ grid-template-columns: 1fr; }
    .brand span.brand-text{ display:none; }
    .hero-logo-bg{ opacity:.04; }
  }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .card, .btn, .clink, .row-card, .nav-cta{ transition:none; }
  }
  :focus-visible{ outline: 2px solid var(--secondary); outline-offset: 2px; }