:root {
      --bg: #0a0a0a;
      --surface: #141414;
      --border: #222;
      --text: #e8e4df;
      --muted: #888;
      --accent: #c8a45e;
      --accent-dim: #a8894e;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
    a:hover { color: #e0c070; }

    /* NAV */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; justify-content: space-between; align-items: center;
      padding: 1rem 2rem;
      background: rgba(10,10,10,0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    nav .logo { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.05em; }
    nav .logo span { color: var(--accent); }
    nav ul { list-style: none; display: flex; gap: 1.5rem; }
    nav ul li a { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
    nav ul li a:hover { color: var(--text); }

    /* HAMBURGER */
    .hamburger {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.25rem;
      flex-direction: column;
      gap: 5px;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text);
      transition: transform 0.2s, opacity 0.2s;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* HERO */
    .hero {
      min-height: 100vh;
      display: flex; flex-direction: column; justify-content: center; align-items: center;
      text-align: center;
      padding: 6rem 2rem 4rem;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute; inset: 0;
      background: radial-gradient(ellipse at 50% 0%, rgba(200,164,94,0.08) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-photo {
      width: 140px; height: 140px;
      border-radius: 50%;
      background: var(--surface);
      border: 3px solid var(--accent);
      margin-bottom: 2rem;
      display: flex; align-items: center; justify-content: center;
      font-size: 3rem; color: var(--accent);
      overflow: hidden;
    }
    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 300;
      letter-spacing: 0.02em;
      margin-bottom: 0.5rem;
    }
    .hero h1 strong { font-weight: 700; color: var(--accent); }
    .hero .tagline {
      font-size: 1.1rem;
      color: var(--muted);
      max-width: 600px;
      margin-bottom: 0.75rem;
    }
    .hero .location {
      font-size: 0.85rem;
      color: #666;
      margin-bottom: 2rem;
    }
    .hero .cta-row { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
    .hero .cta {
      display: inline-block;
      padding: 0.75rem 2rem;
      border: 1px solid var(--accent);
      border-radius: 2px;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      font-size: 0.8rem;
      transition: all 0.3s;
    }
    .hero .cta:hover {
      background: var(--accent);
      color: var(--bg);
    }
    .hero .cta.secondary {
      border-color: var(--border);
      color: var(--muted);
    }
    .hero .cta.secondary:hover {
      border-color: var(--accent);
      color: var(--text);
    }

    /* SECTIONS */
    section { padding: 5rem 2rem; max-width: 900px; margin: 0 auto; }
    section.wide { max-width: 1100px; }

    .section-label {
      text-transform: uppercase;
      letter-spacing: 0.2em;
      font-size: 0.7rem;
      color: var(--accent);
      margin-bottom: 0.5rem;
    }
    .section-title {
      font-size: 1.8rem;
      font-weight: 300;
      margin-bottom: 2rem;
    }
    .section-title strong { font-weight: 700; }

    /* ABOUT */
    .about-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 3rem;
      align-items: start;
    }
    .about-grid p { color: #bbb; font-size: 0.95rem; }
    .about-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }
    .stat {
      padding: 1.5rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
    }
    .stat .number {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
    }
    .stat .label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--muted);
      margin-top: 0.5rem;
    }

    /* EXPERTISE */
    .expertise-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
    }
    .expertise-card {
      padding: 2rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
      transition: border-color 0.3s;
    }
    .expertise-card:hover { border-color: var(--accent-dim); }
    .expertise-card .icon { font-size: 1.5rem; margin-bottom: 1rem; }
    .expertise-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
    .expertise-card p { font-size: 0.85rem; color: var(--muted); }

    /* ACHIEVEMENTS */
    .achievements-list { list-style: none; }
    .achievements-list li {
      padding: 1.25rem 0;
      border-bottom: 1px solid var(--border);
      font-size: 0.95rem;
      color: #bbb;
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }
    .achievements-list li:last-child { border-bottom: none; }
    .achievements-list li .bullet {
      color: var(--accent);
      font-size: 1.2rem;
      flex-shrink: 0;
      line-height: 1.4;
    }

    /* EXPERIENCE */
    .timeline { position: relative; padding-left: 2rem; }
    .timeline::before {
      content: '';
      position: absolute; left: 0; top: 0; bottom: 0;
      width: 1px;
      background: var(--border);
    }
    .timeline-item {
      position: relative;
      padding-bottom: 2.5rem;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -2rem; top: 0.5rem;
      width: 9px; height: 9px;
      border-radius: 50%;
      background: var(--accent);
      transform: translateX(-4px);
    }
    .timeline-item .date {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--accent);
      margin-bottom: 0.25rem;
    }
    .timeline-item h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.25rem; }
    .timeline-item .company { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.5rem; }
    .timeline-item ul { list-style: none; padding: 0; }
    .timeline-item ul li {
      font-size: 0.85rem;
      color: #999;
      padding-left: 1.2rem;
      position: relative;
      margin-bottom: 0.4rem;
    }
    .timeline-item ul li::before {
      content: '\2014';
      position: absolute;
      left: 0;
      color: var(--accent);
    }

    /* TECH STACK */
    .tech-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 1.5rem;
    }
    .tech-card {
      padding: 1.5rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
    }
    .tech-card h3 {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: var(--accent);
      margin-bottom: 0.75rem;
    }
    .tech-card .tools {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .tech-card .tool {
      padding: 0.3rem 0.7rem;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 2px;
      font-size: 0.8rem;
      color: #bbb;
    }

    /* EDUCATION */
    .edu-list { list-style: none; }
    .edu-list li {
      padding: 1.25rem 0;
      border-bottom: 1px solid var(--border);
    }
    .edu-list li:last-child { border-bottom: none; }
    .edu-list h3 { font-size: 1rem; font-weight: 600; }
    .edu-list .inst { font-size: 0.85rem; color: var(--accent); }
    .edu-list .detail { font-size: 0.85rem; color: var(--muted); }

    /* CONTACT */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
    }
    .contact-info p { color: var(--muted); font-size: 0.9rem; margin-bottom: 1rem; }
    .contact-info .email-link {
      font-size: 1.2rem;
      color: var(--accent);
      display: block;
      margin-top: 1rem;
    }
    .contact-form { display: flex; flex-direction: column; gap: 1rem; }
    .contact-form input,
    .contact-form textarea {
      padding: 0.75rem 1rem;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 2px;
      color: var(--text);
      font-family: inherit;
      font-size: 0.9rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .contact-form input:focus,
    .contact-form textarea:focus { border-color: var(--accent); }
    .contact-form textarea { min-height: 120px; resize: vertical; }
    .contact-form button {
      padding: 0.75rem 2rem;
      background: var(--accent);
      color: var(--bg);
      border: none;
      border-radius: 2px;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.3s;
      align-self: flex-start;
    }
    .contact-form button:hover { background: #e0c070; }

    /* FOOTER */
    footer {
      text-align: center;
      padding: 3rem 2rem;
      border-top: 1px solid var(--border);
      font-size: 0.75rem;
      color: var(--muted);
    }
    footer .socials { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 1rem; }
    footer .socials a { color: var(--muted); font-size: 0.8rem; }
    footer .socials a:hover { color: var(--accent); }

    /* RESPONSIVE */
    @media (max-width: 768px) {
      .hamburger { display: flex; }

      nav ul {
        display: none;
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        background: rgba(10,10,10,0.97);
        backdrop-filter: blur(12px);
        padding: 1rem 2rem 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--border);
      }
      nav ul.open { display: flex; }
      nav ul li { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
      nav ul li:last-child { border-bottom: none; }
      nav ul li a { font-size: 1rem; }

      .about-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }

    /* SCROLL REVEAL */
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }