:root {
    --bg: #060810;
    --bg2: #0c0f1a;
    --bg3: #111425;
    --surface: #151929;
    --surface2: #1c2133;
    --border: rgba(99,120,255,0.15);
    --border2: rgba(99,120,255,0.3);
    --accent: #6378ff;
    --accent2: #8b9fff;
    --accent3: #3d52d5;
    --green: #00e5a0;
    --green2: #00b87f;
    --amber: #ffb347;
    --text: #e8ecff;
    --text2: #8892b0;
    --text3: #4a5580;
    --mono: 'Space Mono', monospace;
    --sans: 'Syne', sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* Grid background */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
      linear-gradient(rgba(99,120,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(99,120,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
  }

  /* Glow blobs */
  .blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
  }
  .blob-1 {
    width: 600px; height: 600px;
    background: rgba(99,120,255,0.07);
    top: -200px; right: -200px;
  }
  .blob-2 {
    width: 500px; height: 500px;
    background: rgba(0,229,160,0.05);
    bottom: 20%; left: -200px;
  }

  /* Nav */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.2rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(6,8,16,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }

  .nav-logo {
    font-family: var(--mono);
    font-size: 0.9rem;
    color: var(--accent2);
    letter-spacing: 0.05em;
  }
  .nav-logo span { color: var(--green); }

  .nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
  }
  .nav-links a {
    font-size: 0.8rem;
    font-family: var(--mono);
    color: var(--text2);
    text-decoration: none;
    letter-spacing: 0.08em;
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--accent2); }

  /* Layout */
  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
  }

  section { padding: 7rem 0; }

  /* Hero */
  #hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .hero-label {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--green);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  .hero-label::before {
    content: '';
    width: 30px; height: 1px;
    background: var(--green);
    display: inline-block;
  }

  .hero-name {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
  }

  .hero-name .highlight {
    background: linear-gradient(135deg, var(--accent2), var(--green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-title {
    font-size: 1.1rem;
    color: var(--text2);
    font-family: var(--mono);
    margin-bottom: 1.8rem;
    letter-spacing: 0.02em;
  }
  .hero-title .cursor {
    display: inline-block;
    width: 2px; height: 1.1em;
    background: var(--accent);
    margin-left: 2px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
  }

  @keyframes blink { 0%,100% { opacity:1 } 50% { opacity:0 } }

  .hero-desc {
    font-size: 1rem;
    color: var(--text2);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 480px;
  }

  .hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .btn-primary {
    padding: 0.8rem 1.8rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }
  .btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    opacity: 0;
    transition: opacity 0.2s;
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,120,255,0.4); }
  .btn-primary:hover::before { opacity: 1; }

  .btn-outline {
    padding: 0.8rem 1.8rem;
    background: transparent;
    color: var(--accent2);
    border: 1px solid var(--border2);
    border-radius: 6px;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
  }
  .btn-outline:hover {
    background: rgba(99,120,255,0.08);
    border-color: var(--accent);
    transform: translateY(-2px);
  }

  /* Terminal card on hero */
  .hero-terminal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 60px rgba(99,120,255,0.1);
  }

  .terminal-bar {
    background: var(--bg3);
    padding: 0.7rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
  }
  .dot { width: 10px; height: 10px; border-radius: 50%; }
  .dot-r { background: #ff5f57; }
  .dot-y { background: #febc2e; }
  .dot-g { background: #28c840; }
  .terminal-title {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text3);
    margin-left: auto;
  }

  .terminal-body {
    padding: 1.5rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 2;
  }

  .t-prompt { color: var(--green); }
  .t-cmd { color: var(--text); }
  .t-key { color: var(--accent2); }
  .t-val { color: var(--amber); }
  .t-str { color: var(--green); }
  .t-comment { color: var(--text3); }
  .t-bracket { color: var(--text2); }

  /* Section titles */
  .section-header {
    margin-bottom: 4rem;
  }

  .section-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
  }
  .section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border2), transparent);
  }

  .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
  }

  /* Skills */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
  }

  .skill-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.8rem;
    position: relative;
    transition: all 0.3s;
    overflow: hidden;
  }
  .skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--accent), var(--green));
    opacity: 0;
    transition: opacity 0.3s;
  }
  .skill-card:hover { border-color: var(--border2); transform: translateY(-3px); }
  .skill-card:hover::before { opacity: 1; }

  .skill-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }

  .skill-category {
    font-size: 0.7rem;
    font-family: var(--mono);
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
  }

  .skill-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
  }

  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .tag {
    font-family: var(--mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.6rem;
    background: rgba(99,120,255,0.08);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text2);
    letter-spacing: 0.03em;
  }
  .tag.accent { background: rgba(99,120,255,0.15); border-color: var(--border2); color: var(--accent2); }
  .tag.green { background: rgba(0,229,160,0.08); border-color: rgba(0,229,160,0.25); color: var(--green); }

  /* Projects */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
  }

  .project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  .project-card:hover {
    border-color: var(--border2);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  }

  .project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
  }

  .project-icon {
    width: 42px; height: 42px;
    background: rgba(99,120,255,0.1);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
  }

  .project-links {
    display: flex;
    gap: 0.5rem;
  }

  .icon-link {
    width: 32px; height: 32px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text2);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.9rem;
  }
  .icon-link:hover { border-color: var(--accent); color: var(--accent2); }

  .project-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
  }

  .project-desc {
    font-size: 0.88rem;
    color: var(--text2);
    line-height: 1.7;
    flex: 1;
  }

  .project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
  }

  /* Featured project */
  .project-card.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
    border-color: rgba(99,120,255,0.25);
    background: linear-gradient(135deg, var(--surface) 0%, rgba(99,120,255,0.05) 100%);
  }
  .project-card.featured:hover { box-shadow: 0 20px 60px rgba(99,120,255,0.15); }

  .featured-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--green);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: rgba(0,229,160,0.08);
    border: 1px solid rgba(0,229,160,0.2);
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    margin-bottom: 0.8rem;
  }
  .featured-label::before { content: '●'; font-size: 0.5rem; }

  .featured-stack-row {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }
  .stack-row-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text3);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.2rem;
  }

  /* Experience */
  .exp-container {
    position: relative;
    padding-left: 2.5rem;
  }
  .exp-container::before {
    content: '';
    position: absolute;
    left: 7px; top: 8px; bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent), transparent);
  }

  .exp-item {
    position: relative;
    margin-bottom: 3rem;
  }
  .exp-item::before {
    content: '';
    position: absolute;
    left: -2.1rem;
    top: 8px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(99,120,255,0.6);
  }

  .exp-date {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
  }

  .exp-role {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.2rem;
  }

  .exp-company {
    font-size: 0.85rem;
    color: var(--text2);
    margin-bottom: 1rem;
  }

  .exp-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .exp-bullets li {
    font-size: 0.88rem;
    color: var(--text2);
    padding-left: 1.2rem;
    position: relative;
    line-height: 1.6;
  }
  .exp-bullets li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.7rem;
  }

  /* Education & Certs */
  .edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .edu-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem 1.8rem;
    transition: all 0.3s;
  }
  .edu-card:hover { border-color: var(--border2); }

  .edu-icon {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
  }

  .edu-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text3);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
  }

  .edu-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.3rem;
  }

  .edu-sub {
    font-size: 0.8rem;
    color: var(--text2);
  }

  /* Contact */
  #contact {
    text-align: center;
  }

  .contact-card {
    max-width: 680px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
  }
  .contact-card::before {
    content: '';
    position: absolute;
    top: 0; left: 50%; transform: translateX(-50%);
    width: 300px; height: 1px;
    background: linear-gradient(to right, transparent, var(--accent), transparent);
  }

  .contact-desc {
    font-size: 1rem;
    color: var(--text2);
    margin: 1rem 0 2.5rem;
    line-height: 1.8;
  }

  .contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
  }

  .contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text2);
    text-decoration: none;
    font-family: var(--mono);
    font-size: 0.75rem;
    transition: all 0.2s;
  }
  .contact-link:hover { border-color: var(--accent); color: var(--accent2); background: rgba(99,120,255,0.08); }

  /* Footer */
  footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--text3);
    position: relative;
    z-index: 1;
  }

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

  .fade-up {
    animation: fadeUp 0.7s ease forwards;
  }

  .delay-1 { animation-delay: 0.1s; opacity: 0; }
  .delay-2 { animation-delay: 0.2s; opacity: 0; }
  .delay-3 { animation-delay: 0.3s; opacity: 0; }
  .delay-4 { animation-delay: 0.4s; opacity: 0; }
  .delay-5 { animation-delay: 0.5s; opacity: 0; }

  /* Status badge */
  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0,229,160,0.08);
    border: 1px solid rgba(0,229,160,0.25);
    border-radius: 20px;
    padding: 0.3rem 0.8rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--green);
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
  }
  .status-dot {
    width: 6px; height: 6px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
  }
  @keyframes pulse {
    0%,100% { opacity: 1; box-shadow: 0 0 4px var(--green); }
    50% { opacity: 0.6; box-shadow: 0 0 10px var(--green); }
  }

  /* Responsive */
  @media (max-width: 768px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .hero-inner { grid-template-columns: 1fr; }
    .hero-terminal { display: none; }
    .project-card.featured { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    section { padding: 5rem 0; }
  }