:root {
      --bg: #0a0a0a;
      --fg: #f0ede6;
      --accent: #f0ede6;
      --muted: #868686;
      --border: #1e1e1e;
      --card: #111;
    }

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

    html {
      scroll-behavior: smooth;
    }

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

    /* Custom cursor */
    #cursor {
      position: fixed;
      width: 12px;
      height: 12px;
      background: var(--fg);
      border-radius: 50%;
      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: difference;
    }

    #cursor-ring {
      position: fixed;
      width: 40px;
      height: 40px;
      border: 1px solid rgba(240, 237, 230, 0.4);
      border-radius: 50%;
      pointer-events: none;
      z-index: 9998;
      transform: translate(-50%, -50%);
      transition: all 0.15s ease-out;
    }

    /* Canvas */
    #three-canvas {
      position: fixed;
      top: 0;
      right: 0;
      width: 50vw;
      height: 100vh;
      z-index: 1;
      pointer-events: none;
    }

    /* 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='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 10000;
      opacity: 0.5;
    }

    /* --- YOUR ORIGINAL STYLES (keep as is) --- */
    nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.5rem 3rem;
      border-bottom: 1px solid transparent;
      transition: border-color 0.3s, backdrop-filter 0.3s;
    }

    nav.scrolled {
      border-color: var(--border);
      backdrop-filter: blur(20px);
      background: rgba(10, 10, 10, 0.8);
    }

    .nav-logo {
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      font-size: 1.2rem;
      letter-spacing: -0.02em;
      color: var(--fg);
      text-decoration: none;
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 0.75rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      transition: color 0.3s;
    }

    .nav-links a:hover {
      color: var(--fg);
    }

    /* --- NEW: MOBILE RESPONSIVE & TOGGLE --- */
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      z-index: 1001;
    }

    .hamburger,
    .hamburger::before,
    .hamburger::after {
      display: block;
      background: var(--fg);
      height: 2px;
      width: 24px;
      transition: all 0.3s ease;
      position: relative;
    }

    .hamburger::before,
    .hamburger::after {
      content: '';
      position: absolute;
      left: 0;
    }

    .hamburger::before {
      top: -8px;
    }

    .hamburger::after {
      top: 8px;
    }

    /* Mobile Breakpoint */
    @media (max-width: 768px) {
      nav {
        padding: 1rem 1.5rem;
      }

      .nav-toggle {
        display: block;
      }

      .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 75%;
        max-width: 320px;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
        padding: 0;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border);
        z-index: 999;
      }

      .nav-links.active {
        transform: translateX(0);
      }

      .nav-links a {
        font-size: 1.1rem;
        letter-spacing: 0.05em;
      }

      /* Hamburger → X Animation */
      .nav-toggle.active .hamburger {
        background: transparent;
      }

      .nav-toggle.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
      }

      .nav-toggle.active .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
      }
    }

    /* Sections */
    section {
      position: relative;
      z-index: 2;
      min-height: 100vh;
      display: flex;
      align-items: center;
    }

    .container {
      max-width: 50vw;
      padding: 0 3rem;
    }

    /* Hero */
    #hero {
      padding-top: 80px;
    }

    .hero-label {
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 1.5rem;
      opacity: 0;
    }

    .hero-title {
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      font-size: clamp(3rem, 5vw, 5.5rem);
      line-height: 0.95;
      letter-spacing: -0.03em;
      margin-bottom: 2rem;
    }

    .hero-title span {
      display: block;
      overflow: hidden;
    }

    .hero-title .line {
      display: block;
      transform: translateY(110%);
    }

    .hero-desc {
      font-size: 0.85rem;
      line-height: 1.8;
      color: var(--muted);
      max-width: 420px;
      opacity: 0;
      margin-bottom: 3rem;
    }

    .hero-cta {
      display: inline-flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem 2rem;
      border: 1px solid var(--fg);
      color: var(--fg);
      text-decoration: none;
      font-size: 0.75rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      opacity: 0;
      transition: background 0.3s, color 0.3s;
      position: relative;
      overflow: hidden;
    }

    .hero-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: var(--fg);
      transform: translateX(-101%);
      transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1);
    }

    .hero-cta:hover::before {
      transform: translateX(0);
    }

    .hero-cta:hover {
      color: var(--bg);
    }

    .hero-cta span {
      position: relative;
      z-index: 1;
    }

    /* Scroll indicator */
    .scroll-indicator {
      position: absolute;
      bottom: 2rem;
      left: 3rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      opacity: 0;
    }

    .scroll-line {
      width: 40px;
      height: 1px;
      background: var(--muted);
      position: relative;
      overflow: hidden;
    }

    .scroll-line::after {
      content: '';
      position: absolute;
      inset: 0;
      background: var(--fg);
      transform: translateX(-100%);
      animation: scroll-anim 2s ease-in-out infinite;
    }

    @keyframes scroll-anim {
      0% {
        transform: translateX(-100%);
      }

      100% {
        transform: translateX(100%);
      }
    }

    .scroll-text {
      font-size: 0.65rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--muted);
    }

    /* About */
    #about .container {
      padding-top: 4rem;
      padding-bottom: 4rem;
    }

    .section-label {
      font-size: 0.65rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 2rem;
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .section-label::before {
      content: '';
      width: 30px;
      height: 1px;
      background: var(--muted);
    }

    .about-title {
      font-family: 'Syne', sans-serif;
      font-weight: 700;
      font-size: clamp(2rem, 3.5vw, 3.5rem);
      line-height: 1.05;
      letter-spacing: -0.02em;
      margin-bottom: 2rem;
    }

    .about-body {
      font-size: 0.85rem;
      line-height: 1.9;
      color: var(--muted);
      max-width: 460px;
    }

    .about-body strong {
      color: var(--fg);
      font-weight: 500;
    }

    /* Tech Stack */
    #stack {
      min-height: auto;
      padding: 6rem 0;
    }

    #stack .container {
      max-width: 100%;
      padding: 0 3rem;
    }

    .stack-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
      gap: 1px;
      border: 1px solid var(--border);
      max-width: 900px;
    }

    .stack-item {
      background: var(--card);
      padding: 1.5rem;
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      transition: background 0.3s;
      opacity: 0;
      transform: translateY(20px);
    }

    .stack-item:hover {
      background: #1a1a1a;
    }

    .stack-icon {
      font-size: 1.5rem;
    }

    .stack-name {
      font-family: 'Syne', sans-serif;
      font-size: 0.85rem;
      font-weight: 600;
    }

    .stack-cat {
      font-size: 0.65rem;
      letter-spacing: 0.1em;
      color: var(--muted);
      text-transform: uppercase;
    }

    /* Projects */
    #projects {
      padding: 6rem 0;
      min-height: auto;
    }

    #projects .container {
      max-width: 100%;
      padding: 0 3rem;
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1px;
      border: 1px solid var(--border);
      max-width: 900px;
    }

    .project-card {
      background: var(--card);
      padding: 2.5rem;
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
      opacity: 0;
      transform: translateY(30px);
      transition: background 0.3s;
    }

    .project-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--fg), transparent);
      transform: translateX(-100%);
      transition: transform 0.6s ease;
    }

    .project-card:hover::before {
      transform: translateX(100%);
    }

    .project-card:hover {
      background: #131313;
    }

    .project-num {
      font-size: 0.65rem;
      letter-spacing: 0.15em;
      color: var(--muted);
      margin-bottom: 1.5rem;
    }

    .project-name {
      font-family: 'Syne', sans-serif;
      font-weight: 700;
      font-size: 1.3rem;
      letter-spacing: -0.02em;
      margin-bottom: 0.75rem;
    }

    .project-desc {
      font-size: 0.8rem;
      line-height: 1.7;
      color: var(--muted);
      margin-bottom: 1.5rem;
    }

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

    .tag {
      font-size: 0.65rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      padding: 0.3rem 0.7rem;
      border: 1px solid var(--border);
      color: var(--muted);
    }

    .project-link {
      position: absolute;
      top: 2rem;
      right: 2rem;
      width: 36px;
      height: 36px;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      text-decoration: none;
      font-size: 1rem;
      transition: border-color 0.3s, color 0.3s;
    }

    .project-link:hover {
      border-color: var(--fg);
      color: var(--fg);
    }

    /* Contact */
    #contact {
      min-height: 70vh;
      align-items: center;
      justify-content: center;
      text-align: center;
      flex-direction: column;
    }

    .contact-label {
      font-size: 0.65rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 1.5rem;
    }

    .contact-title {
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      font-size: clamp(2.5rem, 6vw, 7rem);
      line-height: 0.95;
      letter-spacing: -0.03em;
      margin-bottom: 2rem;
    }

    .contact-email {
      font-size: 0.9rem;
      color: var(--muted);
      text-decoration: none;
      letter-spacing: 0.05em;
      border-bottom: 1px solid var(--border);
      padding-bottom: 0.25rem;
      transition: color 0.3s, border-color 0.3s;
    }

    .contact-email:hover {
      color: var(--fg);
      border-color: var(--fg);
    }

    /* Footer */
    footer {
      position: relative;
      z-index: 2;
      padding: 2rem 3rem;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    footer p {
      font-size: 0.7rem;
      color: var(--muted);
      letter-spacing: 0.05em;
    }

    .social-links {
      display: flex;
      gap: 1.5rem;
    }

    .social-links a {
      font-size: 0.7rem;
      color: var(--muted);
      text-decoration: none;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      transition: color 0.3s;
    }

    .social-links a:hover {
      color: var(--fg);
    }

    /* Theme toggle */
    .theme-btn {
      position: fixed;
      bottom: 2rem;
      right: 2rem;
      z-index: 1000;
      width: 48px;
      height: 48px;
      border: 1px solid var(--border);
      background: var(--card);
      color: var(--fg);
      font-size: 1rem;
      cursor: none;
      transition: background 0.3s;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .theme-btn:hover {
      background: var(--border);
    }

    /* Light theme */
    body.light {
      --bg: #f5f2eb;
      --fg: #0a0a0a;
      --accent: #0a0a0a;
      --muted: #888;
      --border: #ddd;
      --card: #ede9e0;
    }

    /* Marquee */
    .marquee-section {
      position: relative;
      z-index: 2;
      overflow: hidden;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 1.2rem 0;
      background: var(--bg);
    }

    .marquee-track {
      display: flex;
      gap: 4rem;
      width: max-content;
      animation: marquee 20s linear infinite;
      white-space: nowrap;
    }

    .marquee-item {
      font-family: 'Syne', sans-serif;
      font-weight: 700;
      font-size: 0.75rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--muted);
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .marquee-item::after {
      content: '✦';
      font-size: 0.5rem;
    }

    @keyframes marquee {
      0% {
        transform: translateX(0);
      }

      100% {
        transform: translateX(-50%);
      }
    }

    @media (max-width: 768px) {
      #three-canvas {
        width: 100vw;
        opacity: 0.3;
      }

      .container {
        max-width: 100%;
      }

      .projects-grid {
        grid-template-columns: 1fr;
      }

      nav {
        padding: 1.2rem 1.5rem;
      }

      .container {
        padding: 0 1.5rem;
      }

      #stack .container,
      #projects .container {
        padding: 0 1.5rem;
      }

      footer {
        padding: 1.5rem;
        flex-direction: column;
        gap: 1rem;
      }
    }