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

    :root {
      --slate: #0f172a;
      --slate-light: #334155;
      --slate-muted: #64748b;
      --white: #ffffff;
      --gray-50: #f8fafc;
      --gray-100: #f1f5f9;
      --gray-200: #e2e8f0;
      --accent: #3b82f6;
      --accent-hover: #2563eb;
      --accent-light: #eff6ff;
      --section-gap: 128px;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      font-feature-settings: 'liga' 1;
      font-size: 16px; line-height: 1.5;
      color: var(--slate); background: var(--white);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* ---- NAV ---- */
    nav {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,0.88);
      backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--gray-200);
    }
    .nav-inner {
      max-width: 1265px; margin: 0 auto;
      padding: 0 32px; height: 80px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .nav-logo {
      font-size: 18px; font-weight: 400;
      letter-spacing: -0.5px; color: var(--slate);
      text-decoration: none;
    }
    .nav-links { display: flex; gap: 28px; align-items: center; }
    .nav-links a {
      font-size: 14px; font-weight: 400; color: var(--slate-muted);
      text-decoration: none; transition: color 0.2s;
    }
    .nav-links a:hover { color: var(--slate); }
    .nav-hire {
      font-size: 14px; font-weight: 500; color: var(--slate) !important;
      text-decoration: none; transition: opacity 0.2s;
    }
    .nav-hire:hover { opacity: 0.7; }
    .nav-cta {
      display: inline-flex; align-items: center; gap: 6px;
      background: var(--accent); color: #ffffff;
      padding: 8px 20px;
      font-size: 12px; font-weight: 500; text-decoration: none;
      transition: background 0.2s;
    }
    .nav-cta:hover { background: var(--accent-hover); }

    /* ---- HERO ---- */
    .hero {
      max-width: 1265px; margin: 0 auto;
      padding: 120px 32px 80px; text-align: center;
    }
    .hero-tagline {
      font-family: 'Geist Mono', monospace; font-size: 11px; font-weight: 400;
      text-transform: uppercase; letter-spacing: 1px;
      color: var(--accent); margin-bottom: 24px;
    }
    .hero h1 {
      font-size: clamp(48px, 8vw, 72px);
      font-weight: 400; line-height: 1;
      letter-spacing: -1.8px; color: var(--slate);
      margin-bottom: 20px;
    }
    .hero h1 span { color: var(--slate-muted); }
    .hero .subtitle {
      font-size: 18px; font-weight: 400;
      line-height: 1.7; color: var(--slate-muted);
      max-width: 640px; margin: 0 auto 48px;
    }
    .hero-metrics {
      display: flex; gap: 48px; justify-content: center; flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-metric { text-align: center; }
    .hero-metric .num {
      font-size: 32px; font-weight: 400; letter-spacing: -1px;
      color: var(--slate);
    }
    .hero-metric .label {
      font-size: 12px; color: var(--slate-muted);
      margin-top: 4px;
    }
    .hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--slate); color: var(--white);
      padding: 12px 28px;
      font-size: 13px; font-weight: 400;
      text-decoration: none; transition: background 0.2s;
      border: none; cursor: pointer; font-family: inherit;
    }
    .btn-primary:hover { background: var(--slate-light); }
    .btn-accent {
      display: inline-flex; align-items: center; gap: 8px;
      background: var(--accent); color: #ffffff;
      padding: 12px 28px;
      font-size: 13px; font-weight: 500;
      text-decoration: none; transition: background 0.2s;
      border: none; cursor: pointer; font-family: inherit;
    }
    .btn-accent:hover { background: var(--accent-hover); }
    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      background: transparent; color: var(--slate);
      padding: 12px 28px;
      font-size: 13px; font-weight: 400;
      text-decoration: none; transition: background 0.2s;
      border: 1px solid var(--gray-200);
      cursor: pointer; font-family: inherit;
    }
    .btn-outline:hover { background: var(--gray-50); }

    /* ---- SECTION ---- */
    section { max-width: 1265px; margin: 0 auto; padding: var(--section-gap) 32px; }
    .section-label {
      font-family: 'Geist Mono', monospace;
      font-size: 11px; font-weight: 400; text-transform: uppercase;
      color: var(--slate-muted); letter-spacing: 1px; margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(32px, 5vw, 48px);
      font-weight: 400; letter-spacing: -1.2px;
      color: var(--slate); margin-bottom: 20px;
    }
    .section-desc {
      font-size: 18px; font-weight: 400; color: var(--slate-muted);
      max-width: 560px; line-height: 1.7;
    }

    /* ---- SKILLS ---- */
    .skills-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 48px; }
    .skill-category { width: 100%; margin-bottom: 12px; }
    .skill-category h3 {
      font-size: 13px; font-weight: 400; color: var(--slate-muted);
      margin-bottom: 8px;
    }
    .skill-tag {
      font-size: 13px; font-weight: 400; color: var(--slate);
      background: var(--gray-50); padding: 5px 14px;
      border: 1px solid var(--gray-200);
      display: inline-block;
    }

    /* ---- PROJECTS ---- */
    .projects-list { display: flex; flex-direction: column; margin-top: 48px; }
    .project-card {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: 48px;
      padding: 40px 0; border-top: 1px solid var(--gray-200);
      text-decoration: none; color: inherit;
      transition: opacity 0.2s;
    }
    .project-card:last-child { border-bottom: 1px solid var(--gray-200); }
    .project-card:hover { opacity: 0.7; }
    .project-card .meta {
      font-family: 'Geist Mono', monospace; font-size: 11px; font-weight: 400;
      color: var(--slate-muted); text-transform: uppercase; letter-spacing: 0.5px;
      padding-top: 4px;
    }
    .project-card .meta span { display: block; margin-bottom: 4px; }
    .project-card .meta .repo-link {
      display: inline-block; margin-top: 8px; font-size: 10px;
      color: var(--accent); text-transform: none;
    }
    .project-card .body h3 {
      font-size: 22px; font-weight: 400; letter-spacing: -0.5px;
      color: var(--slate); margin-bottom: 10px;
    }
    .project-card .body p {
      font-size: 15px; font-weight: 400; color: var(--slate-muted); line-height: 1.7;
      margin-bottom: 12px;
    }
    .project-card .body .highlights {
      font-size: 14px; color: var(--slate-muted); line-height: 1.7;
    }
    .project-card .body .highlights li { margin-bottom: 4px; list-style: none; }
    .project-card .body .highlights li::before { content: '— '; color: var(--gray-200); }

    /* ---- EXPERIENCE ---- */
    .exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2px; margin-top: 48px; }
    .exp-card {
      padding: 40px 0; border-top: 1px solid var(--gray-200);
      display: flex; gap: 16px; align-items: flex-start;
    }
    .exp-card:last-child { border-bottom: 1px solid var(--gray-200); }
    .exp-card .favicon { width: 24px; height: 24px; flex-shrink: 0; margin-top: 2px; border-radius: 2px; }
    .exp-card .info .role {
      font-size: 18px; font-weight: 400; letter-spacing: -0.3px;
      color: var(--slate); margin-bottom: 4px;
    }
    .exp-card .info .company {
      font-size: 14px; font-weight: 400; color: var(--slate-muted); margin-bottom: 2px;
    }
    .exp-card .info .date {
      font-family: 'Geist Mono', monospace; font-size: 11px;
      color: var(--slate-muted); text-transform: uppercase; letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .exp-card .info p { font-size: 14px; font-weight: 400; color: var(--slate-muted); line-height: 1.7; }

    /* ---- EDUCATION ---- */
    .edu-card {
      display: flex; gap: 16px; align-items: flex-start;
      margin-top: 48px; padding: 40px 0;
      border-top: 1px solid var(--gray-200);
      border-bottom: 1px solid var(--gray-200);
    }
    .edu-card .favicon { width: 32px; height: 32px; flex-shrink: 0; margin-top: 2px; border-radius: 4px; }
    .edu-card .info h3 {
      font-size: 22px; font-weight: 400; letter-spacing: -0.5px;
      color: var(--slate); margin-bottom: 4px;
    }
    .edu-card .info .school {
      font-size: 15px; font-weight: 400; color: var(--slate-muted); margin-bottom: 4px;
    }
    .edu-card .info .date {
      font-family: 'Geist Mono', monospace; font-size: 11px;
      color: var(--slate-muted); text-transform: uppercase; letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .edu-card .info p { font-size: 14px; font-weight: 400; color: var(--slate-muted); line-height: 1.7; }

    /* ---- CONTACT ---- */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px; margin-top: 48px;
    }
    .contact-form { display: flex; flex-direction: column; gap: 16px; }
    .contact-form input, .contact-form textarea {
      width: 100%; padding: 12px 16px;
      font-family: 'Geist', sans-serif; font-size: 14px;
      color: var(--slate); background: var(--white);
      border: 1px solid var(--gray-200);
      outline: none; transition: border-color 0.2s;
    }
    .contact-form input:focus, .contact-form textarea:focus {
      border-color: var(--slate);
    }
    .contact-form textarea { min-height: 120px; resize: vertical; }
    .contact-form button {
      align-self: flex-start;
      background: var(--slate); color: var(--white);
      padding: 12px 28px; font-size: 13px; font-weight: 400;
      border: none; cursor: pointer; font-family: inherit;
      transition: background 0.2s;
    }
    .contact-form button:hover { background: var(--slate-light); }
    .contact-channels { display: flex; flex-direction: column; gap: 24px; }
    .contact-channel {
      display: flex; gap: 12px; align-items: flex-start;
      text-decoration: none; color: inherit;
    }
    .contact-channel:hover .ch-label { color: var(--slate); }
    .contact-channel .ch-icon {
      width: 40px; height: 40px;
      background: var(--gray-50);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .contact-channel .ch-label {
      font-size: 14px; font-weight: 400; color: var(--slate-muted);
      transition: color 0.2s;
    }
    .contact-channel .ch-value {
      font-size: 15px; font-weight: 400; color: var(--slate);
    }
    .availability {
      margin-top: 8px; padding: 16px;
      background: var(--gray-50); border: 1px solid var(--gray-200);
    }
    .availability .av-title {
      font-family: 'Geist Mono', monospace; font-size: 11px; font-weight: 400;
      text-transform: uppercase; letter-spacing: 1px;
      color: var(--slate-muted); margin-bottom: 8px;
    }
    .availability .av-text {
      font-size: 14px; font-weight: 400; color: var(--slate); line-height: 1.7;
    }
    .availability .av-dot {
      display: inline-block; width: 8px; height: 8px;
      background: #22c55e; border-radius: 50%; margin-right: 6px;
    }

    /* ---- HIRE ME ---- */
    .hire-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2px; margin-top: 48px; }
    .hire-card {
      padding: 32px 0; border-top: 1px solid var(--gray-200);
      display: flex; gap: 14px; align-items: flex-start;
    }
    .hire-card .favicon { width: 24px; height: 24px; flex-shrink: 0; margin-top: 3px; border-radius: 3px; }
    .hire-card .info h3 {
      font-size: 18px; font-weight: 400; letter-spacing: -0.3px;
      color: var(--slate); margin-bottom: 2px;
    }
    .hire-card .info .co {
      font-size: 13px; font-weight: 400; color: var(--slate-muted);
      margin-bottom: 4px;
    }
    .hire-card .info .dur {
      font-family: 'Geist Mono', monospace; font-size: 11px;
      color: var(--slate-muted); text-transform: uppercase; letter-spacing: 0.5px;
      margin-bottom: 6px;
    }
    .hire-card .info p { font-size: 13px; font-weight: 400; color: var(--slate-muted); line-height: 1.6; }

    /* ---- FOOTER ---- */
    footer {
      border-top: 1px solid var(--gray-200);
      padding: 64px 32px; text-align: center;
    }
    .footer-inner { max-width: 1265px; margin: 0 auto; }
    .footer-links { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
    .footer-links a {
      font-size: 13px; font-weight: 400; color: var(--slate-muted);
      text-decoration: none; transition: color 0.2s;
    }
    .footer-links a:hover { color: var(--slate); }
    .footer-copy { font-size: 13px; color: var(--slate-muted); }

    /* ---- RESPONSIVE ---- */
    @media (max-width: 1024px) {
      .project-card, .contact-grid { grid-template-columns: 1fr; gap: 12px; }
      .project-card .meta { padding-top: 0; }
    }

    @media (max-width: 768px) {
      :root { --section-gap: 80px; }
      .nav-inner { padding: 0 16px; height: auto; flex-wrap: wrap; gap: 8px; padding-top: 12px; padding-bottom: 12px; }
      .nav-links { gap: 16px; flex-wrap: wrap; }
      .nav-links a { font-size: 13px; }
      .hero { padding: 80px 24px 60px; }
      .hero h1 { letter-spacing: -1.2px; }
      .hero-metrics { gap: 24px; }
      section { padding: var(--section-gap) 24px; }
    }

    @media (max-width: 480px) {
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn-primary,
      .hero-actions .btn-accent,
      .hero-actions .btn-outline { justify-content: center; }
    }

    a:focus-visible, button:focus-visible {
      outline: 2px solid var(--slate); outline-offset: 2px;
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .fade-up { animation: fadeUp 0.6s ease-out both; }
    .fade-up:nth-child(2) { animation-delay: 0.1s; }
    .fade-up:nth-child(3) { animation-delay: 0.2s; }
    .fade-up:nth-child(4) { animation-delay: 0.3s; }