:root {
    --bg: #070b14;
    --bg2: #0d1120;
    --bg3: #111827;
    --cyan: #00e5ff;
    --cyan2: #00b4cc;
    --violet: #7c3aed;
    --violet2: #a855f7;
    --rose: #f43f5e;
    --gold: #fbbf24;
    --text: #e2e8f0;
    --muted: #64748b;
    --border: rgba(0,229,255,0.12);
    --glass: rgba(13,17,32,0.7);
  }

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

  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Mono', monospace;
    overflow-x: hidden;
    cursor: none;
  }

  /* CUSTOM CURSOR */
  #cursor {
    width: 12px; height: 12px;
    background: var(--cyan);
    border-radius: 50%;
    position: fixed; top:0; left:0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%,-50%);
    transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
    mix-blend-mode: screen;
  }
  #cursor-ring {
    width: 36px; height: 36px;
    border: 1.5px solid rgba(0,229,255,0.4);
    border-radius: 50%;
    position: fixed; top:0; left:0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%,-50%);
    transition: transform 0.15s ease-out, width 0.3s, height 0.3s;
  }
  body:hover #cursor { opacity:1; }

  /* CANVAS */
  #starfield {
    position: fixed; top:0; left:0;
    width:100%; height:100%;
    z-index: 0;
    pointer-events: none;
  }

  /* NAV */
  nav {
    position: fixed; top:0; width:100%;
    z-index: 100;
    padding: 20px 60px;
    display: flex; align-items:center; justify-content:space-between;
    background: rgba(7,11,20,0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: all 0.4s;
  }
  nav.scrolled { padding: 14px 60px; }
  .nav-logo {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
  }
  .nav-logo span { color: var(--text); }
  .nav-links { display:flex; gap:36px; list-style:none; }
  .nav-links a {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s;
  }
  .nav-links a::after {
    content:''; position:absolute; bottom:-4px; left:0;
    width:0; height:1px;
    background: var(--cyan);
    transition: width 0.3s;
  }
  .nav-links a:hover { color: var(--cyan); }
  .nav-links a:hover::after { width:100%; }
  .nav-links a.active { color: var(--cyan); }
  .nav-links a.active::after { width:100%; }
  .nav-toggle {
    display: none;
    width: 42px; height: 38px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: transparent;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
  }
  .nav-toggle span {
    width: 18px; height: 2px;
    background: var(--cyan);
    display: block;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .nav-links.open { display:flex; }

  /* BACK TO TOP */
  .back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 46px;
    height: 46px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(7,11,20,0.85);
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    z-index: 90;
    transition: opacity 0.3s, transform 0.3s, border-color 0.3s, background 0.3s;
  }
  .back-to-top.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .back-to-top:hover {
    border-color: rgba(0,229,255,0.4);
    background: rgba(7,11,20,0.95);
    transform: translateY(-2px);
  }

  /* SECTIONS */
  section { position: relative; z-index: 1; }

  /* HERO */
  #hero {
    min-height: 100vh;
    display: flex; flex-direction:column;
    justify-content: center; align-items:flex-start;
    padding: 0 10vw;
    overflow: hidden;
  }
  .hero-tag {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s 0.3s forwards;
  }
  .hero-tag::before { content: '// '; opacity: 0.5; }
  .hero-name {
    font-family: 'Syne', sans-serif;
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 800;
    line-height: 0.95;
    color: var(--text);
    opacity: 0;
    animation: fadeUp 0.8s 0.5s forwards;
  }
  .hero-name em {
    font-style: normal;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--cyan);
  }
  .hero-title {
    margin-top: 24px;
    font-size: clamp(0.9rem, 2vw, 1.15rem);
    color: var(--muted);
    opacity: 0;
    animation: fadeUp 0.8s 0.7s forwards;
  }
  .hero-title .typed { color: var(--violet2); }
  .hero-cta {
    margin-top: 44px;
    display:flex; gap:16px; flex-wrap:wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.9s forwards;
  }
  .btn {
    display: inline-flex; align-items:center; gap:8px;
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 14px 28px;
    border-radius: 2px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
  }
  .btn-primary {
    background: var(--cyan);
    color: var(--bg);
    font-weight: 500;
  }
  .btn-primary:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,229,255,0.3);
  }
  .btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
  }
  .btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
  }
  .hero-scroll {
    position: absolute; bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display:flex; flex-direction:column; align-items:center; gap:8px;
    opacity: 0;
    animation: fadeIn 1s 1.5s forwards;
  }
  .hero-scroll span {
    font-size: 0.6rem; letter-spacing:3px; text-transform:uppercase; color:var(--muted);
  }
  .scroll-line {
    width:1px; height:50px;
    background: linear-gradient(to bottom, var(--cyan), transparent);
    animation: scrollPulse 2s infinite;
  }
  .hero-grid-bg {
    position: absolute; inset:0;
    background-image:
      linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
  }
  .hero-glow {
    position: absolute; top: 20%; right: 5%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(124,58,237,0.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: breathe 6s ease-in-out infinite;
  }
  .hero-glow2 {
    position: absolute; bottom: 10%; left: 5%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,229,255,0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: breathe 8s ease-in-out infinite reverse;
  }

  /* ABOUT */
  #about { padding: 120px 10vw; }
  .section-label {
    font-size: 0.65rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 16px;
    display:flex; align-items:center; gap:12px;
  }
  .section-label::after { content:''; flex:1; max-width:80px; height:1px; background:var(--border); }
  .section-title {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 40px;
  }
  .section-title span { color: var(--cyan); }
  .about-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: start;
  }
  .about-text p {
    font-family: 'DM Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.9;
    color: #94a3b8;
    margin-bottom: 20px;
  }
  .about-text p strong { color: var(--text); }
  .about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .stat-card::before {
    content:''; position:absolute; top:0; left:0; right:0; height:2px;
    background: linear-gradient(90deg, var(--cyan), var(--violet2));
    transform: scaleX(0);
    transition: transform 0.4s;
  }
  .stat-card:hover::before { transform: scaleX(1); }
  .stat-card:hover { border-color: rgba(0,229,255,0.3); transform:translateY(-4px); }
  .stat-num {
    font-family: 'Syne', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--cyan);
    display:block;
  }
  .stat-label { font-size: 0.65rem; letter-spacing:2px; text-transform:uppercase; color: var(--muted); margin-top:4px; display:block; }

  /* SKILLS */
  #skills { padding: 120px 10vw; background: linear-gradient(to bottom, transparent, rgba(13,17,32,0.5), transparent); }
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
  }
  .skill-category {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 28px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
  }
  .skill-category::after {
    content:''; position:absolute; inset:0;
    background: radial-gradient(circle at 50% 0%, rgba(0,229,255,0.05), transparent 60%);
    opacity:0; transition: opacity 0.4s;
  }
  .skill-category:hover { border-color: rgba(0,229,255,0.3); transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
  .skill-category:hover::after { opacity:1; }
  .skill-cat-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }
  .skill-tags { display:flex; flex-wrap:wrap; gap:8px; }
  .skill-tag {
    font-size: 0.7rem;
    padding: 6px 14px;
    border-radius: 2px;
    letter-spacing: 0.5px;
    transition: all 0.3s;
    cursor: default;
  }
  .tag-tech { background: rgba(0,229,255,0.08); border: 1px solid rgba(0,229,255,0.2); color: var(--cyan); }
  .tag-framework { background: rgba(124,58,237,0.1); border: 1px solid rgba(124,58,237,0.25); color: var(--violet2); }
  .tag-tool { background: rgba(251,191,36,0.08); border: 1px solid rgba(251,191,36,0.2); color: var(--gold); }
  .tag-creative { background: rgba(244,63,94,0.08); border: 1px solid rgba(244,63,94,0.2); color: var(--rose); }
  .skill-tag:hover { transform: scale(1.05); filter: brightness(1.3); }

  /* PROJECTS */
  #projects { padding: 120px 10vw; }
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 50px;
  }
  .project-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
    display: flex; flex-direction: column; gap:16px;
  }
  .project-card::before {
    content:''; position:absolute; top:0; left:0; width:100%; height:100%;
    background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(0,229,255,0.06), transparent 60%);
    opacity:0; transition:opacity 0.4s; pointer-events:none;
  }
  .project-card:hover { border-color: rgba(0,229,255,0.35); transform:translateY(-8px); box-shadow: 0 24px 64px rgba(0,0,0,0.5); }
  .project-card:hover::before { opacity:1; }
  .project-number {
    font-family: 'Syne', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(0,229,255,0.06);
    line-height:1;
    position: absolute; top:16px; right:24px;
    transition: color 0.4s;
  }
  .project-card:hover .project-number { color: rgba(0,229,255,0.12); }
  .project-date {
    font-size: 0.65rem; letter-spacing:2px; text-transform:uppercase;
    color: var(--muted);
  }
  .project-name {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
  }
  .project-desc {
    font-size: 0.8rem;
    line-height: 1.8;
    color: #64748b;
    flex:1;
  }
  .project-tags { display:flex; flex-wrap:wrap; gap:6px; }
  .project-tag {
    font-size: 0.65rem; padding: 4px 10px; border-radius:2px;
    background: rgba(124,58,237,0.12); border:1px solid rgba(124,58,237,0.2);
    color: var(--violet2); letter-spacing:0.5px;
  }
  .project-accent {
    width:32px; height:3px;
    background: linear-gradient(90deg, var(--cyan), var(--violet2));
    border-radius:2px;
    margin-bottom: 4px;
  }

  /* CERTIFICATIONS */
  #certs { padding: 120px 10vw; background: linear-gradient(to bottom, transparent, rgba(13,17,32,0.5), transparent); }
  .certs-list {
    display:flex; flex-direction:column; gap:16px;
    margin-top: 50px;
    max-width: 900px;
  }
  .cert-item {
    display:flex; align-items:center; gap:24px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px 28px;
    transition: all 0.3s;
    position:relative; overflow:hidden;
  }
  .cert-item::before {
    content:''; position:absolute; left:0; top:0; bottom:0; width:3px;
    background: linear-gradient(to bottom, var(--cyan), var(--violet2));
    transform: scaleY(0); transition: transform 0.3s; transform-origin: top;
  }
  .cert-item:hover { border-color: rgba(0,229,255,0.2); transform:translateX(8px); }
  .cert-item:hover::before { transform: scaleY(1); }
  .cert-icon {
    width:40px; height:40px; border-radius:50%;
    background: rgba(0,229,255,0.08);
    border: 1px solid rgba(0,229,255,0.15);
    display:flex; align-items:center; justify-content:center;
    font-size: 1rem; flex-shrink:0;
  }
  .cert-info { flex:1; }
  .cert-name { font-family:'Syne',sans-serif; font-weight:600; font-size:0.95rem; color:var(--text); }
  .cert-issuer { font-size:0.72rem; color:var(--muted); margin-top:3px; }
  .cert-date {
    font-size: 0.65rem; letter-spacing:2px; text-transform:uppercase;
    color: var(--cyan); opacity:0.7;
  }

  /* CONTACT */
  #contact { padding: 120px 10vw 80px; }
  .contact-inner {
    display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:center;
  }
  .contact-left .hero-name { font-size: clamp(2rem,5vw,4rem); }
  .contact-links {
    display:flex; flex-direction:column; gap:12px;
    margin-top: 36px;
  }
  .contact-link {
    display:flex; align-items:center; gap:16px;
    text-decoration: none;
    font-size: 0.8rem;
    color: var(--muted);
    padding: 16px 20px;
    border: 1px solid var(--border);
    border-radius: 3px;
    transition: all 0.3s;
    position: relative; overflow:hidden;
  }
  .contact-link::before {
    content:''; position:absolute; left:0; top:0; bottom:0;
    width:0; background: rgba(0,229,255,0.06); transition:width 0.4s;
  }
  .contact-link:hover { border-color: rgba(0,229,255,0.3); color:var(--cyan); transform:translateX(6px); }
  .contact-link:hover::before { width:100%; }
  .contact-link-icon { font-size:1rem; width:20px; text-align:center; }
  .contact-info {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 36px;
  }
  .contact-info p { font-size:0.85rem; line-height:1.8; color:#64748b; margin-bottom:24px; }

  /* FOOTER */
  footer {
    padding: 32px 10vw;
    border-top: 1px solid var(--border);
    display:flex; justify-content:space-between; align-items:center;
    font-size: 0.7rem; color: var(--muted); letter-spacing:1px;
  }
  footer span { color: var(--cyan); }

  /* SCROLL REVEAL */
  .reveal { opacity:0; transform:translateY(40px); transition: opacity 0.8s, transform 0.8s; }
  .reveal.visible { opacity:1; transform:translateY(0); }

  /* ANIMATIONS */
  @keyframes fadeUp {
    from { opacity:0; transform:translateY(30px); }
    to { opacity:1; transform:translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity:0; }
    to { opacity:1; }
  }
  @keyframes scrollPulse {
    0%,100% { opacity:1; transform:scaleY(1); }
    50% { opacity:0.4; transform:scaleY(0.6); }
  }
  @keyframes breathe {
    0%,100% { transform:scale(1); opacity:1; }
    50% { transform:scale(1.15); opacity:0.7; }
  }
  @keyframes blink {
    0%,100% { opacity:1; } 50% { opacity:0; }
  }
  .cursor-blink { animation: blink 1s infinite; }

  /* RESPONSIVE */
  @media (max-width:768px) {
    nav { padding:16px 24px; }
    nav.scrolled { padding:12px 24px; }
    .nav-toggle { display:flex; }
    .nav-links {
      display:none;
      position: absolute;
      top: 100%;
      left: 24px;
      right: 24px;
      margin-top: 12px;
      padding: 16px 18px;
      flex-direction: column;
      gap: 12px;
      background: rgba(7,11,20,0.95);
      border: 1px solid var(--border);
      border-radius: 4px;
      backdrop-filter: blur(10px);
    }
    #hero, #about, #skills, #projects, #certs, #contact { padding-left:6vw; padding-right:6vw; }
    .about-grid { grid-template-columns:1fr; }
    .contact-inner { grid-template-columns:1fr; gap:40px; }
    footer { flex-direction:column; gap:8px; text-align:center; }
    .back-to-top { right: 20px; bottom: 20px; }
  }

  @media (max-width:640px) {
    .hero-name {
      font-size: clamp(2.2rem, 8.2vw, 4.2rem);
      line-height: 1;
      overflow-wrap: normal;
      word-break: normal;
    }
    .hero-tag { letter-spacing: 2px; }
    .hero-title { font-size: 0.9rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr; }
    .cert-item { flex-direction: column; align-items: flex-start; }
    .cert-date { align-self: flex-start; }
  }

  @media (max-width:420px) {
    #hero, #about, #skills, #projects, #certs, #contact { padding-left:5vw; padding-right:5vw; }
    .hero-name {
      font-size: clamp(2rem, 7.4vw, 3.6rem);
      line-height: 1.02;
    }
    .hero-name em { -webkit-text-stroke-width: 1px; }
    .hero-cta { gap: 12px; }
    .btn { padding: 12px 22px; }
  }