:root {
    --bg: #07090f;
    --bg2: #0d1117;
    --surface: #111620;
    --border: rgba(0,200,130,0.15);
    --accent: #00c882;
    --accent2: #00e5ff;
    --text: #e8eaf0;
    --muted: #7a8399;
    --heading-font: 'Space Mono', monospace;
    --body-font: 'DM Sans', sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    cursor: none;
  }

  /* ── NOISE OVERLAY ── */
  body::before {
    content:'';
    position:fixed;
    inset:0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events:none;
    z-index:9999;
    opacity:0.4;
  }

  /* ── CURSOR ── */
  .cursor {
    width:12px; height:12px;
    background: var(--accent);
    border-radius:50%;
    position:fixed;
    top:0; left:0;
    pointer-events:none;
    z-index:10000;
    transition: transform 0.15s ease;
    mix-blend-mode: screen;
  }
  .cursor-ring {
    width:36px; height:36px;
    border:1.5px solid var(--accent);
    border-radius:50%;
    position:fixed;
    top:0; left:0;
    pointer-events:none;
    z-index:9999;
    opacity:0.5;
    transition: all 0.1s ease;
  }

  /* ── SCROLLBAR ── */
  ::-webkit-scrollbar { width:4px; }
  ::-webkit-scrollbar-track { background: var(--bg2); }
  ::-webkit-scrollbar-thumb { background: var(--accent); border-radius:4px; }

  /* ── HEADER ── */
  header {
    position: fixed;
    top:0; left:0; width:100%;
    padding: 18px 8%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    z-index:100;
    background: rgba(7,9,15,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
  }

  .logo {
    font-family: var(--heading-font);
    font-size: 17px;
    color: var(--accent);
    text-decoration:none;
    letter-spacing:2px;
  }
  .logo span { color: var(--accent2); }

  nav a {
    font-family: var(--heading-font);
    font-size: 15px;
    color: var(--muted);
    text-decoration:none;
    margin-left:28px;
    letter-spacing:1px;
    transition:color 0.3s;
  }
  nav a:hover, nav a.active { color: var(--accent); }

  .hamburger { display:none; cursor:pointer; color:var(--text); font-size:24px; }

  /* ── HERO ── */
  #home {
    min-height:100vh;
    display:flex;
    align-items:center;
    padding: 120px 8% 80px;
    position:relative;
    overflow:hidden;
  }

  .hero-grid {
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  }

  .hero-glow {
    position:absolute;
    width:600px; height:600px;
    background: radial-gradient(circle, rgba(0,200,130,0.08) 0%, transparent 70%);
    top:-100px; right:-100px;
    pointer-events:none;
  }

  .hero-content { position:relative; z-index:2; max-width:720px; }

  .hero-tag {
    font-family: var(--heading-font);
    font-size:12px;
    color:var(--accent);
    letter-spacing:3px;
    margin-bottom:20px;
    display:inline-flex;
    align-items:center;
    gap:10px;
  }
  .hero-tag::before {
    content:'';
    width:30px; height:1px;
    background:var(--accent);
  }

  .hero-content h1 {
    font-family: var(--heading-font);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight:700;
    line-height:1.1;
    margin-bottom:16px;
  }
  .hero-content h1 .name { color: var(--accent); }
  .hero-content h1 .role {
    color: transparent;
    -webkit-text-stroke: 1px rgba(232,234,240,0.3);
    display:block;
    min-height: 1.2em;
    font-size: clamp(1.8rem, 3.5vw, 3rem);
  }

  .hero-desc {
    font-size:16px;
    color: var(--muted);
    max-width:550px;
    margin:24px 0 40px;
    line-height:1.8;
  }

  .hero-btns { display:flex; gap:16px; flex-wrap:wrap; }

  .btn-primary {
    font-family: var(--heading-font);
    font-size:13px;
    letter-spacing:1px;
    padding:14px 32px;
    background: var(--accent);
    color: var(--bg);
    border:none;
    cursor:pointer;
    text-decoration:none;
    transition: all 0.3s;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
    font-weight:700;
  }
  .btn-primary:hover {
    background: var(--accent2);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,200,130,0.3);
  }

  .btn-outline {
    font-family: var(--heading-font);
    font-size:13px;
    letter-spacing:1px;
    padding:14px 32px;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    cursor:pointer;
    text-decoration:none;
    transition: all 0.3s;
  }
  .btn-outline:hover {
    background: rgba(0,200,130,0.08);
    transform: translateY(-2px);
  }

  .hero-stats {
    margin-top:60px;
    display:flex;
    gap:48px;
    flex-wrap:wrap;
  }
  .stat { display:flex; flex-direction:column; }
  .stat-num {
    font-family: var(--heading-font);
    font-size:2rem;
    color:var(--accent);
    font-weight:700;
  }
  .stat-label {
    font-size:12px;
    color:var(--muted);
    letter-spacing:1px;
    text-transform:uppercase;
    margin-top:4px;
  }

  /* ── SECTION COMMON ── */
  section { padding:100px 8%; }

  .section-label {
    font-family: var(--heading-font);
    font-size:14px;
    letter-spacing:4px;
    color:var(--accent);
    text-transform:uppercase;
    margin-bottom:12px;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .section-label::after {
    content:'';
    flex:1;
    max-width:60px;
    height:1px;
    background:var(--accent);
  }

  .section-title {
    font-family: var(--heading-font);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight:700;
    line-height:1.2;
    margin-bottom:50px;
  }

  /* ── ABOUT ── */
  #about { background: var(--bg2); }

  .about-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:start;
  }

  .about-text p {
    color: var(--muted);
    font-size:16px;
    line-height:1.9;
    margin-bottom:20px;
  }

  .about-highlights { display:grid; gap:16px; }

  .highlight-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding:20px 24px;
    display:flex;
    align-items:flex-start;
    gap:16px;
    transition: border-color 0.3s, transform 0.3s;
  }
  .highlight-card:hover { border-color: var(--accent); transform: translateX(6px); }
  .highlight-icon { font-size:22px; color:var(--accent); margin-top:2px; flex-shrink:0; }
  .highlight-card h4 {
    font-family: var(--heading-font);
    font-size:14px;
    color:var(--text);
    margin-bottom:4px;
    letter-spacing:0.5px;
  }
  .highlight-card p { font-size:13px; color:var(--muted); margin:0; }

  /* ── SKILLS ── */
  .skills-grid {
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap:24px;
  }

  .skill-category {
    background: var(--surface);
    border:1px solid var(--border);
    padding:28px;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  .skill-category:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(0,200,130,0.06);
  }

  .skill-cat-title {
    font-family: var(--heading-font);
    font-size:14px;
    letter-spacing:2px;
    color:var(--accent);
    margin-bottom:20px;
    text-transform:uppercase;
  }

  .skill-tags { display:flex; flex-wrap:wrap; gap:8px; }
  .skill-tag {
    font-family: var(--heading-font);
    font-size:12px;
    padding:5px 12px;
    border:1px solid rgba(0,200,130,0.25);
    color:var(--muted);
    letter-spacing:0.5px;
    transition:all 0.3s;
    cursor:default;
  }
  .skill-tag:hover { border-color:var(--accent); color:var(--accent); background: rgba(0,200,130,0.05); }

  /* ── EXPERIENCE ── */
  #experience { background: var(--bg2); }

  .exp-card {
    background: var(--surface);
    border:1px solid var(--border);
    padding:36px 40px;
    display:grid;
    grid-template-columns:1fr auto;
    gap:20px;
    align-items:start;
    transition: border-color 0.3s;
    margin-bottom:20px;
  }
  .exp-card:hover { border-color:var(--accent); }
  .exp-badge {
    font-family: var(--heading-font);
    font-size:11px;
    padding:6px 14px;
    background: rgba(0,200,130,0.1);
    color:var(--accent);
    border:1px solid rgba(0,200,130,0.3);
    letter-spacing:1px;
    white-space:nowrap;
    height:fit-content;
  }
  .exp-role { font-family: var(--heading-font); font-size:18px; color:var(--text); margin-bottom:4px; }
  .exp-company { font-size:14px; color:var(--accent); margin-bottom:4px; font-weight:600; }
  .exp-date { font-size:12px; color:var(--muted); letter-spacing:1px; margin-bottom:20px; }
  .exp-bullets { list-style:none; display:flex; flex-direction:column; gap:10px; }
  .exp-bullets li {
    font-size:14px;
    color:var(--muted);
    padding-left:20px;
    position:relative;
    line-height:1.7;
  }
  .exp-bullets li::before { content:'▸'; position:absolute; left:0; color:var(--accent); }

  /* ── PROJECTS ── */
  .projects-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(340px, 1fr));
    gap:24px;
  }

  .project-card {
    background: var(--surface);
    border:1px solid var(--border);
    padding:36px;
    display:flex;
    flex-direction:column;
    gap:16px;
    transition: all 0.3s;
    position:relative;
    overflow:hidden;
  }
  .project-card::before {
    content:'';
    position:absolute;
    top:0; left:0;
    width:0%; height:2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    transition: width 0.4s ease;
  }
  .project-card:hover { border-color:var(--accent); transform:translateY(-4px); box-shadow:0 20px 40px rgba(0,0,0,0.3); }
  .project-card:hover::before { width:100%; }

  .project-num { font-family: var(--heading-font); font-size:11px; color: var(--accent); letter-spacing:2px; }
  .project-title { font-family: var(--heading-font); font-size:17px; color:var(--text); line-height:1.3; }
  .project-desc { font-size:14px; color:var(--muted); line-height:1.8; flex:1; }
  .project-stack { display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
  .stack-tag {
    font-family: var(--heading-font);
    font-size:10px;
    padding:4px 10px;
    background: rgba(0,229,255,0.08);
    color:var(--accent2);
    border:1px solid rgba(0,229,255,0.2);
    letter-spacing:0.5px;
  }

  /* ── CERTIFICATIONS ── */
  #certifications { background: var(--bg2); }

  .cert-grid {
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
    gap:20px;
  }

  .cert-card {
    background: var(--surface);
    border:1px solid var(--border);
    padding:28px;
    display:flex;
    flex-direction:column;
    gap:12px;
    transition: all 0.3s;
  }
  .cert-card:hover { border-color:var(--accent); }
  .cert-icon { font-size:28px; color:var(--accent); }
  .cert-title { font-family: var(--heading-font); font-size:14px; color:var(--text); line-height:1.4; }
  .cert-issuer { font-size:12px; color:var(--muted); }

  #contact { background: var(--bg2); }
  
  /* ── CONTACT ── */
  .contact-wrapper {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:60px;
    align-items:start;
  }

  .contact-info p { color:var(--muted); font-size:15px; line-height:1.8; margin-bottom:32px; }

  .contact-links { display:flex; flex-direction:column; gap:16px; }
  .contact-link {
    display:flex;
    align-items:center;
    gap:14px;
    text-decoration:none;
    color:var(--text);
    font-size:14px;
    padding:14px 20px;
    background:var(--surface);
    border:1px solid var(--border);
    transition:all 0.3s;
  }
  .contact-link:hover { border-color:var(--accent); color:var(--accent); transform:translateX(4px); }
  .contact-link i { font-size:18px; color:var(--accent); }

  .contact-form { display:flex; flex-direction:column; gap:16px; }
  .form-group { display:flex; flex-direction:column; gap:6px; }
  .form-group label {
    font-family: var(--heading-font);
    font-size:11px;
    letter-spacing:2px;
    color:var(--muted);
    text-transform:uppercase;
  }
  .form-group input, .form-group textarea {
    background: var(--surface);
    border:1px solid var(--border);
    padding:14px 18px;
    color:var(--text);
    font-family: var(--body-font);
    font-size:14px;
    outline:none;
    transition:border-color 0.3s;
  }
  .form-group input:focus, .form-group textarea:focus { border-color:var(--accent); }
  .form-group textarea { resize:vertical; min-height:120px; }

  /* ── FOOTER ── */
  footer {
    border-top:1px solid var(--border);
    padding:30px 8%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
  }
  footer p { font-family: var(--heading-font); font-size:12px; color:var(--muted); letter-spacing:1px; }
  .social-links { display:flex; gap:12px; }
  .social-link {
    width:38px; height:38px;
    border:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--muted);
    text-decoration:none;
    font-size:16px;
    transition:all 0.3s;
  }
  .social-link:hover { border-color:var(--accent); color:var(--accent); background:rgba(0,200,130,0.05); }

  /* ── SCROLL PROGRESS ── */
  .scroll-progress {
    position:fixed;
    top:0; left:0;
    height:2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    z-index:200;
    transition:width 0.1s;
  }

  /* ── ANIMATIONS ── */
  .reveal {
    opacity:0;
    transform:translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible { opacity:1; transform:translateY(0); }

  /* ── MOBILE NAV ── */
  @media(max-width:768px) {
    .hamburger { display:block; }
    nav {
      position:fixed;
      top:0; right:-100%;
      width:260px;
      height:100vh;
      background:var(--bg2);
      border-left:1px solid var(--border);
      display:flex;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      gap:30px;
      transition:right 0.4s ease;
      z-index:200;
    }
    nav.open { right:0; }
    nav a { font-size:16px; margin:0; }
    .about-grid, .contact-wrapper { grid-template-columns:1fr; }
    .exp-card { grid-template-columns:1fr; }
    .hero-stats { gap:30px; }
    .hero-content h1 { line-height: 1.2;}
    .cursor, .cursor-ring { display: none; }
    body { cursor: auto; }
  }

  #mobile-overlay {
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,0.5);
    z-index:99;
  }
  #mobile-overlay.show { display:block; }

  #projects-page .project-card {
  animation: fadeUp 0.6s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

a.project-card {
  text-decoration: none;
  color: inherit;
}

.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--heading-font); font-size: 12px;
  letter-spacing: 2px; color: var(--muted);
  text-decoration: none; margin-bottom: 32px; transition: color 0.3s;
}
.back-link:hover { color: var(--accent); }

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.screenshots-grid img {
  width: 100%;
  border: 1px solid var(--border);
  transition: transform 0.3s, border-color 0.3s;
}
.screenshots-grid img:hover {
  transform: scale(1.02);
  border-color: var(--accent);
}

.project-link-hint {
  font-family: var(--heading-font);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
  position: absolute;
  top: 16px;
  right: 16px;
}