:root{
    --bg: #0a0e14;
    --panel: #10151f;
    --panel-2: #141b28;
    --border: #212a3b;
    --border-soft: #1a2233;
    --text: #e9e7e1;
    --text-dim: #8f97a8;
    --text-faint: #5c6478;
    --amber: #e8a33d;
    --amber-soft: rgba(232,163,61,0.14);
    --telemetry: #6fc6d9;
    --telemetry-soft: rgba(111,198,217,0.12);
    --radius: 3px;
    --max: 1300px;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
  }

  *{ box-sizing: border-box; margin:0; padding:0; }

  html{ scroll-behavior: smooth; }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  }

  body{
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image:
      radial-gradient(ellipse 900px 500px at 15% -10%, rgba(232,163,61,0.06), transparent 60%),
      radial-gradient(ellipse 700px 500px at 100% 10%, rgba(111,198,217,0.05), transparent 55%);
  }

  a{ color: inherit; text-decoration: none; }

  ::selection{ background: var(--amber-soft); color: var(--amber); }

  :focus-visible{
    outline: 2px solid var(--telemetry);
    outline-offset: 3px;
  }

  .wrap{
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 28px;
  }

  .eyebrow{
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--telemetry);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
  }
  .eyebrow::before{
    content: '';
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--telemetry);
    box-shadow: 0 0 8px var(--telemetry);
    flex-shrink: 0;
  }

  /* ---------- NAV ---------- */
  header.site-nav{
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(10px);
    background: rgba(10,14,20,0.78);
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }
  .nav-mark{
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text);
    letter-spacing: 0.04em;
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .nav-mark span{ color: var(--amber); }
  .nav-links{
    display: flex;
    gap: 30px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dim);
  }
  .nav-links a{
    position: relative;
    padding: 4px 0;
    transition: color 0.2s ease;
  }
  .nav-links a:hover{ color: var(--amber); }
  .nav-links a::after{
    content:'';
    position: absolute;
    left:0; right:0; bottom: -2px;
    height: 1px;
    background: var(--amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
  }
  .nav-links a:hover::after{ transform: scaleX(1); }
  .nav-toggle{ display:none; }

  @media (max-width: 700px){
    .nav-links{ display:none; }
  }

  /* ---------- HERO ---------- */
  .hero{
    padding: 96px 0 72px;
    position: relative;
    overflow: hidden;
  }
  .hero-grid{
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
  }
  @media (max-width: 860px){
    .hero-grid{ grid-template-columns: 1fr; }
    .hero-visual{ order: -1; height: 200px; }
  }

  .hero h1{
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.4rem, 5.4vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: var(--text);
  }
  .hero h1 em{
    font-style: normal;
    color: var(--amber);
  }
  .hero .role{
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    color: var(--text-dim);
    margin-top: 14px;
    font-weight: 500;
  }
  .hero p.lede{
    margin-top: 22px;
    max-width: 54ch;
    color: var(--text-dim);
    font-size: 1rem;
  }

  .stat-row{
    display: flex;
    gap: 28px;
    margin-top: 34px;
    flex-wrap: wrap;
  }
  .stat{
    font-family: var(--font-mono);
  }
  .stat .num{
    font-size: 1.5rem;
    color: var(--amber);
    display: block;
    line-height: 1;
  }
  .stat .lbl{
    font-size: 11px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 6px;
    display: block;
  }

  .hero-cta{
    margin-top: 36px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  .btn{
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 12px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .btn-primary{
    background: var(--amber);
    color: #12100a;
    border-color: var(--amber);
    font-weight: 500;
  }
  .btn-primary:hover{ background: #f5b559; transform: translateY(-1px); }
  .btn-ghost{ color: var(--text-dim); }
  .btn-ghost:hover{ color: var(--telemetry); border-color: var(--telemetry); }

  .hero-visual{
    position: relative;
    height: 340px;
  }
  .hero-visual svg{ width: 100%; height: 100%; overflow: visible; }
  .trace-line{
    fill: none;
    stroke: var(--amber);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-dasharray: 1400;
    stroke-dashoffset: 1400;
    animation: draw 2.6s cubic-bezier(.4,0,.2,1) forwards 0.3s;
  }
  .orbit-ring{
    fill: none;
    stroke: var(--border);
    stroke-width: 1;
  }
  .orbit-dot{
    fill: var(--telemetry);
    filter: drop-shadow(0 0 5px var(--telemetry));
  }
  @keyframes draw{ to{ stroke-dashoffset: 0; } }
  @keyframes orbit{
    from{ transform: rotate(0deg); }
    to{ transform: rotate(360deg); }
  }
  .orbit-spin{
    transform-origin: 170px 170px;
    animation: orbit 14s linear infinite;
  }

  /* ---------- SECTION SHELL ---------- */
  section{ padding: 76px 0; border-top: 1px solid var(--border-soft); }
  .section-head{
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 46px;
    flex-wrap: wrap;
  }
  h2.section-title{
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  .section-note{
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
    max-width: 34ch;
    text-align: right;
  }
  @media (max-width: 640px){ .section-note{ text-align: left; } }

  /* ---------- SUMMARY ---------- */
  .summary p{
    font-size: 1.08rem;
    color: var(--text-dim);
    max-width: 70ch;
  }
  .summary p strong{ color: var(--text); font-weight: 500; }

  /* ---------- EXPERIENCE / TIMELINE ---------- */
  .timeline{
    position: relative;
    padding-left: 34px;
  }
  .timeline::before{
    content:'';
    position: absolute;
    left: 5px; top: 6px; bottom: 6px;
    width: 1px;
    background: linear-gradient(to bottom, var(--amber), var(--border) 92%);
  }
  .job{
    position: relative;
    padding-bottom: 52px;
  }
  .job:last-child{ padding-bottom: 0; }
  .job::before{
    content:'';
    position: absolute;
    left: -34px; top: 4px;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: var(--bg);
    border: 2px solid var(--amber);
  }
  .job.is-current::before{
    box-shadow: 0 0 0 4px var(--amber-soft);
  }
  .job-head{
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 6px 18px;
    margin-bottom: 6px;
  }
  .job-title{
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 600;
  }
  .job-title span{ color: var(--amber); font-weight: 500; }
  .job-date{
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
    letter-spacing: 0.03em;
    white-space: nowrap;
  }
  .job ul{
    list-style: none;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .job li{
    position: relative;
    padding-left: 18px;
    color: var(--text-dim);
    font-size: 0.96rem;
  }
  .job li::before{
    content: '›';
    position: absolute;
    left: 0;
    color: var(--telemetry);
  }
  .stack{
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .chip{
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 4px 9px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-faint);
    letter-spacing: 0.02em;
  }

  /* ---------- SKILLS PANEL ---------- */
  .panel-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border-soft);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    overflow: hidden;
  }
  @media (max-width: 760px){ .panel-grid{ grid-template-columns: 1fr; } }
  .panel{
    background: var(--panel);
    padding: 30px 26px;
  }
  .panel-label{
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--telemetry);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .panel-label .idx{ color: var(--text-faint); }
  .skill-list{
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .skill-list li{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-soft);
  }
  .skill-list li:last-child{ border-bottom: none; padding-bottom: 0; }
  .skill-list .bar{
    width: 60px; height: 3px;
    background: var(--border);
    position: relative;
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
    margin-left: 12px;
  }
  .skill-list .bar span{
    position: absolute; inset: 0;
    background: var(--amber);
    width: var(--fill, 70%);
  }

  /* ---------- PROJECTS ---------- */
  .proj-grid{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  @media (max-width: 760px){ .proj-grid{ grid-template-columns: 1fr; } }
  .proj-card{
    background: var(--panel);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s ease, transform 0.2s ease;
  }
  .proj-card:hover{ border-color: var(--amber); transform: translateY(-2px); }
  .proj-top{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
  }
  .proj-name{
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
  }
  .proj-date{
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-faint);
    white-space: nowrap;
  }
  .proj-desc{
    margin-top: 14px;
    color: var(--text-dim);
    font-size: 0.95rem;
    flex-grow: 1;
  }
  .proj-link{
    margin-top: 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--telemetry);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: fit-content;
  }
  .proj-link:hover{ color: var(--amber); }

  /* ---------- FOOTER TRIO (education / certs / languages) ---------- */
  .trio{
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
  }
  @media (max-width: 760px){ .trio{ grid-template-columns: 1fr; gap: 34px; } }
  .trio h3{
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--telemetry);
    margin-bottom: 16px;
  }
  .edu-item{ margin-bottom: 14px; }
  .edu-item .name{ font-weight: 500; }
  .edu-item .sub{ font-size: 0.88rem; color: var(--text-faint); font-family: var(--font-mono); }
  .cert-item{
    font-size: 0.92rem;
    color: var(--text-dim);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-soft);
  }
  .cert-item:last-child{ border-bottom: none; }
  .cert-item .code{ color: var(--amber); font-family: var(--font-mono); font-size: 0.85rem; margin-right: 8px; }
  .lang-item{
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.92rem;
  }
  .lang-item:last-child{ border-bottom: none; }
  .lang-item .lvl{ color: var(--text-faint); font-family: var(--font-mono); font-size: 0.8rem; }

  /* ---------- CONTACT / FOOTER ---------- */
  footer{
    border-top: 1px solid var(--border-soft);
    padding: 60px 0 40px;
  }
  .contact-grid{
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 30px;
  }
  footer h2{
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  }
  .contact-links{
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.92rem;
  }
  .contact-links a{
    color: var(--text-dim);
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .contact-links a:hover{ color: var(--amber); }
  .contact-links a::before{
    content: '→';
    color: var(--text-faint);
  }
  .foot-bottom{
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid var(--border-soft);
    display: flex;
    justify-content: space-between;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 11.5px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .reveal{
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.in{ opacity: 1; transform: translateY(0); }