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

  :root {
    --bg-deep:     #0A0F1E;
    --bg-card:     #0F1629;
    --bg-elevated: #151D35;
    --cyan:        #00D4FF;
    --cyan-dim:    rgba(0,212,255,0.12);
    --cyan-glow:   rgba(0,212,255,0.35);
    --amber:       #FFB347;
    --green:       #00FF94;
    --text-bright: #F0F4FF;
    --text-mid:    #A8B2D8;
    --text-dim:    #5A6787;
    --border:      rgba(255,255,255,0.07);
    --border-cyan: rgba(0,212,255,0.25);
    --nav-w:       260px;
    --radius:      12px;
  }

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg-deep);
    color: var(--text-bright);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* ── NAV ── */
  #sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    width: var(--nav-w);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    z-index: 100;
    transition: transform .3s ease;
  }

  .sidebar-header {
    padding: 32px 24px 24px;
    border-bottom: 1px solid var(--border);
  }

  .avatar-ring {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cyan), #7B5EA7);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 22px; font-weight: 700;
    color: var(--bg-deep);
    margin-bottom: 14px;
    box-shadow: 0 0 24px var(--cyan-glow);
  }

  .sidebar-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px; font-weight: 600;
    color: var(--text-bright);
    line-height: 1.3;
  }

  .sidebar-role {
    font-size: 11px; color: var(--cyan);
    text-transform: uppercase; letter-spacing: .12em;
    margin-top: 3px;
    font-family: 'JetBrains Mono', monospace;
  }

  .status-dot {
    display: inline-block; width: 7px; height: 7px;
    background: var(--green); border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.5; transform:scale(.8); }
  }

  .status-label {
    font-size: 11px; color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
  }

  nav { flex: 1; padding: 20px 12px; }

  .nav-section-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .14em;
    color: var(--text-dim); padding: 14px 12px 6px;
  }

  .nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; border-radius: 8px;
    text-decoration: none; color: var(--text-mid);
    font-size: 13.5px; font-weight: 500;
    transition: all .2s;
    cursor: pointer;
    border: none; background: none; width: 100%; text-align: left;
  }

  .nav-link:hover { color: var(--text-bright); background: var(--bg-elevated); }
  .nav-link.active { color: var(--cyan); background: var(--cyan-dim); }

  .nav-icon { font-size: 16px; width: 20px; text-align: center; }

  .sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex; gap: 14px;
  }

  .social-btn {
    color: var(--text-dim); font-size: 13px;
    text-decoration: none; transition: color .2s;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
  }
  .social-btn:hover { color: var(--cyan); }

  /* ── MAIN ── */
  #main {
    margin-left: var(--nav-w);
    min-height: 100vh;
  }

  .section {
    min-height: 100vh;
    padding: 60px 52px;
    display: none;
  }
  .section.active { display: block; }

  /* ── SECTION HEADER ── */
  .section-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--cyan);
    text-transform: uppercase; letter-spacing: .16em;
    margin-bottom: 10px;
  }

  .section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 42px; font-weight: 700;
    line-height: 1.15;
    background: linear-gradient(135deg, var(--text-bright) 60%, var(--cyan));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
  }

  .section-sub {
    color: var(--text-mid); font-size: 15px; max-width: 560px;
    line-height: 1.7; margin-bottom: 48px;
  }

  /* ═══════════════ HOME ═══════════════ */
  #home {
    display: none;
    align-items: center;
    position: relative; overflow: hidden;
  }
  @media (max-width: 900px) { .home-photo-wrap { display:none; } }
  #home.active { display: flex; }

  .home-bg-grid {
    position: absolute; inset: 0; pointer-events: none;
    background-image:
      linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  }

  .home-content { position: relative; max-width: 700px; }

  .home-greeting {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px; color: var(--cyan);
    margin-bottom: 18px;
    display: flex; align-items: center; gap: 10px;
  }

  .home-greeting::before {
    content: '$ '; color: var(--green); font-weight: 500;
  }

  .home-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(46px,6vw,72px);
    font-weight: 700; line-height: 1.05;
    color: var(--text-bright);
  }

  .home-name span { color: var(--cyan); }

  .home-role {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(22px,3vw,32px);
    color: var(--text-mid); font-weight: 400;
    margin-top: 10px; margin-bottom: 24px;
  }

  .home-terminal {
    background: var(--bg-card);
    border: 1px solid var(--border-cyan);
    border-radius: var(--radius);
    padding: 18px 22px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    margin-bottom: 36px;
    max-width: 560px;
    position: relative;
  }

  .terminal-bar {
    display: flex; gap: 7px; margin-bottom: 14px;
  }

  .terminal-dot {
    width: 10px; height: 10px; border-radius: 50%;
  }

  .t-red   { background: #FF5F57; }
  .t-yellow{ background: #FFBD2E; }
  .t-green { background: #28CA41; }

  .terminal-line { color: var(--text-mid); line-height: 1.9; }
  .terminal-line .prompt { color: var(--green); }
  .terminal-line .cmd    { color: var(--text-bright); }
  .terminal-line .out    { color: var(--cyan); }
  .terminal-line .comment{ color: var(--text-dim); }

  #cursor {
    display: inline-block; width: 8px; height: 15px;
    background: var(--cyan); vertical-align: middle; margin-left: 2px;
    animation: blink .9s step-end infinite;
  }
  @keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

  .home-cta { display: flex; gap: 14px; flex-wrap: wrap; }

  .btn-primary {
    background: var(--cyan); color: var(--bg-deep);
    border: none; border-radius: 8px;
    padding: 12px 26px; font-size: 14px; font-weight: 600;
    cursor: pointer; transition: all .2s;
    font-family: 'Space Grotesk', sans-serif;
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--cyan-glow); }

  .btn-outline {
    background: transparent; color: var(--text-bright);
    border: 1px solid var(--border-cyan); border-radius: 8px;
    padding: 12px 26px; font-size: 14px; font-weight: 500;
    cursor: pointer; transition: all .2s;
    font-family: 'Space Grotesk', sans-serif;
  }
  .btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }

  .home-stats {
    display: flex; gap: 32px; margin-top: 52px;
    flex-wrap: wrap;
  }

  .stat-item { text-align: left; }
  .stat-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 30px; font-weight: 700; color: var(--cyan);
  }
  .stat-label { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

  /* ═══════════════ ABOUT ═══════════════ */
  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 28px; margin-bottom: 36px;
  }

  .card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: border-color .2s, transform .2s;
  }
  .card:hover { border-color: var(--border-cyan); transform: translateY(-2px); }

  .card-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .14em;
    color: var(--cyan); margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
  }

  .card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 17px; font-weight: 600; color: var(--text-bright);
    margin-bottom: 8px;
  }

  .card-body { font-size: 13.5px; color: var(--text-mid); line-height: 1.75; }

  .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

  .tag {
    background: var(--cyan-dim); color: var(--cyan);
    border: 1px solid var(--border-cyan);
    border-radius: 6px; padding: 4px 11px;
    font-size: 12px; font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
  }

  .tag.amber { background: rgba(255,179,71,.1); color: var(--amber); border-color: rgba(255,179,71,.25); }

  .contact-row {
    display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px;
  }

  .contact-chip {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px; padding: 9px 14px;
    font-size: 13px; color: var(--text-mid);
    text-decoration: none; transition: all .2s;
  }
  .contact-chip:hover { border-color: var(--cyan); color: var(--cyan); }
  .contact-chip .icon { font-size: 15px; }

  /* ═══════════════ RESUME ═══════════════ */
  .resume-layout {
    display: grid; grid-template-columns: 1fr 340px;
    gap: 32px; align-items: start;
  }

  .timeline { position: relative; }

  .timeline-item {
    position: relative; padding-left: 28px; margin-bottom: 36px;
  }

  .timeline-item::before {
    content: ''; position: absolute; left: 0; top: 6px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan-glow);
  }

  .timeline-item::after {
    content: ''; position: absolute; left: 4px; top: 20px;
    width: 2px; bottom: -28px;
    background: linear-gradient(var(--border-cyan), transparent);
  }

  .timeline-item:last-child::after { display: none; }

  .tl-dates {
    font-size: 11px; color: var(--cyan);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
  }

  .tl-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px; font-weight: 600;
    color: var(--text-bright); margin-bottom: 2px;
  }

  .tl-company {
    font-size: 13px; color: var(--amber); margin-bottom: 10px;
  }

  .tl-bullets { list-style: none; }

  .tl-bullets li {
    font-size: 13px; color: var(--text-mid);
    line-height: 1.7; padding: 3px 0;
    padding-left: 14px; position: relative;
  }

  .tl-bullets li::before {
    content: '›'; position: absolute; left: 0;
    color: var(--cyan); font-weight: 700;
  }

  .resume-sidebar .card + .card { margin-top: 20px; }

  .skill-bar-wrap { margin-bottom: 14px; }

  .skill-bar-label {
    display: flex; justify-content: space-between;
    font-size: 12px; color: var(--text-mid); margin-bottom: 5px;
  }

  .skill-bar-track {
    height: 5px; background: var(--bg-elevated);
    border-radius: 99px; overflow: hidden;
  }

  .skill-bar-fill {
    height: 100%; border-radius: 99px;
    background: linear-gradient(90deg, var(--cyan), #7B5EA7);
    transition: width 1.2s cubic-bezier(.4,0,.2,1);
  }

  /* ═══════════════ PROJECTS ═══════════════ */
  .projects-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
  }

  .project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    transition: all .25s;
    cursor: default;
    position: relative; overflow: hidden;
  }

  .project-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    opacity: 0; transition: opacity .3s;
  }

  .project-card:hover { border-color: var(--border-cyan); transform: translateY(-4px); }
  .project-card:hover::before { opacity: 1; }

  .project-cat {
    font-size: 10px; text-transform: uppercase; letter-spacing: .14em;
    color: var(--text-dim); margin-bottom: 10px;
    font-family: 'JetBrains Mono', monospace;
  }

  .project-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px; font-weight: 600; color: var(--text-bright);
    margin-bottom: 10px; line-height: 1.35;
  }

  .project-desc {
    font-size: 13px; color: var(--text-mid); line-height: 1.7;
    margin-bottom: 16px;
  }

  .project-tags { display: flex; flex-wrap: wrap; gap: 6px; }

  .ptag {
    background: var(--bg-elevated); color: var(--text-dim);
    border-radius: 5px; padding: 3px 9px;
    font-size: 11px; font-family: 'JetBrains Mono', monospace;
  }

  /* ═══════════════ DASHBOARD ═══════════════ */
  .dash-kpi-row {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 18px; margin-bottom: 32px;
  }

  .kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px;
    position: relative; overflow: hidden;
  }

  .kpi-card::after {
    content: ''; position: absolute; bottom: -20px; right: -20px;
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--cyan-dim); pointer-events: none;
  }

  .kpi-icon { font-size: 22px; margin-bottom: 10px; }
  .kpi-val {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 28px; font-weight: 700; color: var(--text-bright);
  }
  .kpi-label { font-size: 12px; color: var(--text-dim); margin-top: 3px; }

  .dash-row {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 22px; margin-bottom: 22px;
  }

  .dash-full { margin-bottom: 22px; }

  .chart-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 15px; font-weight: 600; margin-bottom: 18px;
    display: flex; align-items: center; justify-content: space-between;
  }

  .chart-badge {
    font-size: 10px; background: var(--cyan-dim);
    color: var(--cyan); border-radius: 99px;
    padding: 3px 10px;
    font-family: 'JetBrains Mono', monospace;
  }

  /* Radar-like skill chart */
  .skill-grid-chart {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .sgc-item { display: flex; flex-direction: column; gap: 5px; }
  .sgc-label { font-size: 12px; color: var(--text-mid); }
  .sgc-bar { height: 6px; background: var(--bg-elevated); border-radius: 99px; overflow: hidden; }
  .sgc-fill { height: 100%; border-radius: 99px; transition: width 1.4s cubic-bezier(.4,0,.2,1); }

  /* Tool proficiency dots */
  .tool-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 9px 0; border-bottom: 1px solid var(--border);
    font-size: 13px;
  }
  .tool-row:last-child { border-bottom: none; }
  .tool-name { color: var(--text-mid); font-family: 'JetBrains Mono', monospace; font-size: 12px; }
  .tool-dots { display: flex; gap: 5px; }
  .dot { width: 9px; height: 9px; border-radius: 50%; }
  .dot.filled { background: var(--cyan); }
  .dot.empty  { background: var(--bg-elevated); }

  /* Timeline chart */
  .exp-chart { position: relative; }

  .exp-bar-row {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 14px;
  }

  .exp-bar-label {
    width: 140px; font-size: 11px; color: var(--text-mid);
    font-family: 'JetBrains Mono', monospace; flex-shrink: 0;
    line-height: 1.3;
  }

  .exp-bar-outer {
    flex: 1; height: 28px; background: var(--bg-elevated);
    border-radius: 6px; overflow: hidden; position: relative;
  }

  .exp-bar-inner {
    height: 100%; border-radius: 6px;
    display: flex; align-items: center; padding-left: 12px;
    font-size: 11px; font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    transition: width 1.4s cubic-bezier(.4,0,.2,1);
    white-space: nowrap;
  }

  /* Cloud coverage pills */
  .aws-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }

  .aws-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px; padding: 11px 10px;
    text-align: center;
    transition: all .2s;
  }

  .aws-pill:hover { border-color: var(--border-cyan); }
  .aws-pill .aws-icon { font-size: 18px; margin-bottom: 4px; }
  .aws-pill .aws-name { font-size: 11px; color: var(--cyan); font-family: 'JetBrains Mono', monospace; }

  /* ═══════════════ CONTACT ═══════════════ */
  .contact-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 32px; align-items: start;
  }

  .contact-info-block { display: flex; flex-direction: column; gap: 16px; }

  .contact-info-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px 22px;
    display: flex; align-items: center; gap: 16px;
    text-decoration: none; transition: all .2s;
  }
  .contact-info-item:hover { border-color: var(--border-cyan); transform: translateX(4px); }

  .ci-icon {
    width: 42px; height: 42px;
    background: var(--cyan-dim); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
  }

  .ci-label { font-size: 11px; color: var(--text-dim); margin-bottom: 2px; text-transform: uppercase; letter-spacing: .1em; }
  .ci-value { font-size: 14px; color: var(--text-bright); font-weight: 500; }

  .contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px;
  }

  .form-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px; font-weight: 600; margin-bottom: 22px;
  }

  .form-group { margin-bottom: 18px; }

  .form-label { font-size: 12px; color: var(--text-dim); margin-bottom: 7px; display: block; text-transform: uppercase; letter-spacing: .1em; }

  .form-input {
    width: 100%; background: var(--bg-elevated);
    border: 1px solid var(--border); border-radius: 8px;
    padding: 11px 14px; color: var(--text-bright);
    font-size: 14px; font-family: 'Inter', sans-serif;
    outline: none; transition: border-color .2s;
  }
  .form-input:focus { border-color: var(--cyan); }

  textarea.form-input { resize: vertical; min-height: 100px; }

  /* ═══════════════ MOBILE ═══════════════ */
  #hamburger {
    display: none; position: fixed; top: 14px; left: 14px;
    z-index: 200; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: 8px;
    width: 40px; height: 40px; align-items: center;
    justify-content: center; cursor: pointer;
    font-size: 18px; color: var(--text-bright);
  }

  #overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.6); z-index: 90;
  }

  @media (max-width: 900px) {
    :root { --nav-w: 260px; }
    #sidebar { transform: translateX(-100%); }
    #sidebar.open { transform: translateX(0); }
    #main { margin-left: 0; }
    #hamburger { display: flex; }
    #overlay.show { display: block; }
    .section { padding: 70px 24px 40px; }
    .resume-layout { grid-template-columns: 1fr; }
    .dash-kpi-row { grid-template-columns: 1fr 1fr; }
    .dash-row { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .aws-grid { grid-template-columns: repeat(3, 1fr); }
    .section-title { font-size: 30px; }
  }

  @media (max-width: 520px) {
    .dash-kpi-row { grid-template-columns: 1fr 1fr; }
    .home-stats { gap: 20px; }
    .aws-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr; }
  }

  /* ── Scrollbar ── */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg-deep); }
  ::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 99px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--border-cyan); }

  /* ── Util ── */
  .divider {
    height: 1px; background: var(--border); margin: 40px 0;
  }

  .full-section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px; font-weight: 600;
    color: var(--text-bright); margin-bottom: 20px;
    padding-bottom: 10px; border-bottom: 1px solid var(--border);
  }