:root {
    --bg: #0a0a0f;
    --surface: #111118;
    --card: #16161f;
    --border: #1e1e2e;
    --accent: #4fffb0;
    --accent2: #7c6aff;
    --accent3: #ff6a6a;
    --text: #e8e8f0;
    --muted: #7070a0;
    --heading: 'Syne', sans-serif;
    --body: 'DM Sans', sans-serif;
    --mono: 'DM Mono', monospace;
  }
  
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  
  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  /* ── NOISE OVERLAY ── */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' 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='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
    opacity: 0.5;
  }
  
  /* ── NAV ── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 3rem;
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: padding 0.3s ease;
  }
  .nav-logo {
    font-family: var(--heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--accent);
    letter-spacing: -0.02em;
  }
  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
  }
  .nav-links a {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.2s, text-shadow 0.2s;
  }
  .nav-links a:hover { 
    color: var(--accent); 
    text-shadow: 0 0 8px rgba(79,255,176,0.4);
  }
  
  /* ── HERO ── */
  .hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 8rem 3rem 4rem;
    gap: 4rem;
    position: relative;
    overflow: hidden;
  }
  .hero-left { position: relative; z-index: 1; }
  
  .hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(79,255,176,0.25);
    border-radius: 2px;
    background: rgba(79,255,176,0.05);
  }
  
  .hero h1 {
    font-family: var(--heading);
    font-weight: 800;
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
  }
  .hero h1 span { color: var(--accent); }
  
  .hero-sub {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 480px;
    margin-bottom: 2.5rem;
    line-height: 1.7;
  }
  
  .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
  
  .btn-primary, .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-family: var(--heading);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  }
  .btn-primary { background: var(--accent); color: #0a0a0f; }
  .btn-primary:hover {
    background: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(79,255,176,0.3);
  }
  .btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
  .btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-5px);
  }
  
  /* ── STATS BAR ── */
  .stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .stat-item {
    padding: 2rem 3rem;
    border-right: 1px solid var(--border);
    text-align: center;
    transition: background 0.3s ease;
  }
  .stat-item:hover { background: rgba(255,255,255,0.02); }
  .stat-item:last-child { border-right: none; }
  .stat-num {
    font-family: var(--heading);
    font-weight: 800;
    font-size: 2.5rem;
    color: var(--text);
    line-height: 1;
  }
  .stat-num span { color: var(--accent); }
  .stat-label {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
  }
  
  /* ── SECTIONS ── */
  section { padding: 6rem 3rem; border-bottom: 1px solid var(--border); }
  .section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
  }
  .section-num {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    opacity: 0.7;
  }
  .section-title {
    font-family: var(--heading);
    font-weight: 800;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    letter-spacing: -0.02em;
  }
  .section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
    margin-left: auto;
  }
  
  /* ── ABOUT ── */
  .about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    align-items: start;
  }
  .about-text p {
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.2rem;
  }
  .about-text p strong { color: var(--text); }
  .about-info .info-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
  }
  .info-row:first-child { border-top: 1px solid var(--border); }
  .info-key { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
  .info-val { font-weight: 500; text-align: right; }
  
  /* ── SKILLS ── */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  .skill-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 1.8rem;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    transition: all 0.4s ease;
  }
  .skill-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(79,255,176,0.1);
  }
  .skill-name {
    font-family: var(--heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin: 1rem 0 0.4rem;
  }
  .skill-level {
    font-family: var(--mono);
    font-size: 0.68rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  .skill-bar-bg {
    height: 4px;
    background: var(--border);
    margin-top: 1rem;
    overflow: hidden;
  }
  .skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    width: 0;
    transition: width 1.6s cubic-bezier(0.34,1.56,0.64,1);
  }
  .skill-card.animated .skill-bar-fill { width: var(--w); }
  
  /* ── EXPERIENCE & PROJECTS & CERTS ── */
  .exp-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--border);
    transition: transform 0.3s;
  }
  .exp-item:hover { transform: translateX(10px); }
  .exp-date { font-family: var(--mono); color: var(--muted); font-size: 0.82rem; }
  
  .projects-grid, .certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.8rem;
  }
  .project-card, .cert-card {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  }
  .project-card:hover, .cert-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(79,255,176,0.05);
  }
  .stack-tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.7rem;
    background: rgba(255,255,255,0.05);
    padding: 0.3rem 0.8rem;
    margin-right: 0.5rem;
    margin-top: 1rem;
    border-radius: 20px;
    color: var(--accent);
  }
  
  /* ── CONTACT ── */
  .contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
  .contact-big {
    font-family: var(--heading);
    font-weight: 800;
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    line-height: 1.1;
  }
  .contact-big span { color: var(--accent); }
  
  .contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
  }
  .contact-link:hover { color: var(--accent); padding-left: 1rem; border-bottom-color: var(--accent); }
  .contact-link-arrow { transition: transform 0.3s; }
  .contact-link:hover .contact-link-arrow { transform: translate(5px, -5px); }
  
  /* ── ANIMATIONS (SCROLL REVEAL) ── */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
  }
  .reveal.active {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .hero { grid-template-columns: 1fr; padding: 7rem 1.5rem 4rem; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    section { padding: 4rem 1.5rem; }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; }
    .exp-item { grid-template-columns: 1fr; gap: 1rem; }
  }