:root {
      --navy: #0A0F1E;
      --card: #111827;
      --card2: #1a2238;
      --cyan: #00D4FF;
      --cyan-dim: rgba(0,212,255,0.12);
      --cyan-glow: rgba(0,212,255,0.35);
      --lavender: #8892B0;
      --white: #E6F1FF;
      --purple: #7B61FF;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--navy);
      color: var(--white);
      font-family: 'Inter', sans-serif;
      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='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: 0; opacity: 0.4;
    }

    /* ---------- GRID BG ---------- */
    .grid-bg {
      background-image:
        linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
    }

    /* ---------- NAV ---------- */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      backdrop-filter: blur(16px);
      background: rgba(10,15,30,0.8);
      border-bottom: 1px solid rgba(0,212,255,0.1);
      transition: all 0.3s;
    }
    .nav-inner {
      max-width: 1100px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
      padding: 1rem 2rem;
    }
    .nav-logo {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700; font-size: 1.25rem;
      color: var(--cyan);
      letter-spacing: -0.5px;
    }
    .nav-logo span { color: var(--white); }
    .nav-links { display: flex; gap: 2rem; list-style: none; }
    .nav-links a {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.78rem; color: var(--lavender);
      text-decoration: none; transition: color 0.2s;
      letter-spacing: 0.5px;
    }
    .nav-links a:hover { color: var(--cyan); }
    .nav-links a::before { content: '# '; color: var(--cyan); opacity: 0.6; }

    /* ---------- HERO ---------- */
    #hero {
      min-height: 100vh;
      display: flex; align-items: center;
      padding: 6rem 2rem 4rem;
      position: relative;
    }
    .hero-inner {
      max-width: 1100px; margin: 0 auto; width: 100%;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 4rem; align-items: center;
    }
    .hero-eyebrow {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.8rem; color: var(--cyan);
      letter-spacing: 2px; text-transform: uppercase;
      margin-bottom: 1rem;
      display: flex; align-items: center; gap: 0.75rem;
    }
    .hero-eyebrow::before {
      content: ''; display: inline-block;
      width: 32px; height: 1px; background: var(--cyan);
    }
    .hero-name {
      font-family: 'Space Grotesk', sans-serif;
      font-size: clamp(2.5rem, 5vw, 4rem);
      font-weight: 700; line-height: 1.1;
      letter-spacing: -1px;
      margin-bottom: 0.5rem;
    }
    .hero-name .highlight {
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      background-clip: text; -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-title {
      font-family: 'JetBrains Mono', monospace;
      font-size: 1rem; color: var(--lavender);
      margin-bottom: 1.5rem; min-height: 1.5rem;
    }
    .cursor {
      display: inline-block; width: 2px; height: 1em;
      background: var(--cyan); animation: blink 1s infinite;
      vertical-align: text-bottom; margin-left: 2px;
    }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
    .hero-bio {
      color: var(--lavender); line-height: 1.8; font-size: 0.95rem;
      margin-bottom: 2rem; max-width: 480px;
    }
    .hero-cta {
      display: flex; gap: 1rem; flex-wrap: wrap;
    }
    .btn-primary {
      padding: 0.75rem 1.75rem;
      background: linear-gradient(135deg, var(--cyan), var(--purple));
      color: var(--navy); font-weight: 600; font-size: 0.875rem;
      border-radius: 6px; text-decoration: none;
      transition: all 0.3s; font-family: 'Space Grotesk', sans-serif;
      display: inline-flex; align-items: center; gap: 0.5rem;
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--cyan-glow); }
    .btn-ghost {
      padding: 0.75rem 1.75rem;
      border: 1px solid rgba(0,212,255,0.4); color: var(--cyan);
      font-weight: 500; font-size: 0.875rem;
      border-radius: 6px; text-decoration: none;
      transition: all 0.3s; font-family: 'Space Grotesk', sans-serif;
      display: inline-flex; align-items: center; gap: 0.5rem;
    }
    .btn-ghost:hover { background: var(--cyan-dim); transform: translateY(-2px); }

    /* Social Icons Row */
    .social-row {
      display: flex; gap: 1rem; margin-top: 1.5rem;
    }
    .social-icon {
      width: 40px; height: 40px; border-radius: 8px;
      border: 1px solid rgba(0,212,255,0.2);
      display: flex; align-items: center; justify-content: center;
      color: var(--lavender); text-decoration: none;
      transition: all 0.25s;
    }
    .social-icon:hover {
      border-color: var(--cyan); color: var(--cyan);
      background: var(--cyan-dim); transform: translateY(-2px);
    }
    .social-icon svg { width: 18px; height: 18px; }

    /* ===== INTERACTIVE BUBBLE + ORBITING SKILLS ===== */
    .photo-wrap {
      display: flex; justify-content: center; align-items: center;
      position: relative;
      width: 100%; height: 480px;
    }

    /* Ambient glow layers */
    .bubble-glow-outer {
      position: absolute; width: 420px; height: 420px; border-radius: 50%;
      background: radial-gradient(circle, rgba(0,212,255,0.07) 0%, transparent 70%);
      pointer-events: none;
      transition: transform 0.12s ease-out;
    }
    .bubble-glow-inner {
      position: absolute; width: 320px; height: 320px; border-radius: 50%;
      background: radial-gradient(circle, rgba(123,97,255,0.08) 0%, transparent 70%);
      pointer-events: none;
      transition: transform 0.08s ease-out;
    }

    /* The liquid bubble photo */
    .photo-bubble {
      width: 220px; height: 220px; border-radius: 50%; overflow: hidden;
      position: relative; z-index: 10;
      cursor: pointer;
      transition: transform 0.1s ease-out;
      /* liquid glass border */
      box-shadow:
        0 0 0 3px rgba(0,212,255,0.5),
        0 0 0 8px rgba(0,212,255,0.08),
        0 0 40px rgba(0,212,255,0.25),
        0 0 80px rgba(0,212,255,0.1),
        inset 0 1px 0 rgba(255,255,255,0.15);
      background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(123,97,255,0.05));
    }
    /* Bubble specular highlight */
    .photo-bubble::after {
      content: '';
      position: absolute; top: 8%; left: 14%;
      width: 38%; height: 24%;
      background: radial-gradient(ellipse, rgba(255,255,255,0.18) 0%, transparent 80%);
      border-radius: 50%;
      pointer-events: none; z-index: 20;
    }
    .photo-bubble img { width: 100%; height: 100%; object-fit: cover; display: block; }

    .photo-placeholder {
      width: 100%; height: 100%;
      background: linear-gradient(135deg, #1a2238, #0d1527);
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      gap: 0.5rem; color: var(--lavender);
      font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
      text-align: center;
    }
    .photo-placeholder svg { width: 44px; height: 44px; color: var(--cyan); opacity: 0.6; }

    /* Orbit tracks */
    .orbit-track {
      position: absolute; border-radius: 50%;
      border: 1px solid rgba(0,212,255,0.08);
      pointer-events: none;
    }
    .orbit-track-1 { width: 310px; height: 310px; }
    .orbit-track-2 { width: 400px; height: 400px; border-color: rgba(123,97,255,0.06); }

    /* Skill icon nodes */
    .skill-node {
      position: absolute; z-index: 15;
      width: 52px; height: 52px;
      border-radius: 14px;
      display: flex; flex-direction: column; align-items: center; justify-content: center;
      gap: 2px;
      border: 1px solid rgba(255,255,255,0.1);
      backdrop-filter: blur(12px);
      cursor: default;
      transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s, border-color 0.3s;
      /* will be positioned by JS */
    }
    .skill-node:hover {
      transform: scale(1.2) !important;
      z-index: 30;
    }
    .skill-node .sn-icon { font-size: 1.3rem; line-height: 1; }
    .skill-node .sn-label {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.48rem; color: rgba(255,255,255,0.7);
      letter-spacing: 0.3px; line-height: 1;
      white-space: nowrap;
    }

    /* Connector line from node to bubble */
    .orbit-svg {
      position: absolute; top: 0; left: 0;
      width: 100%; height: 100%;
      pointer-events: none; z-index: 5;
      overflow: visible;
    }
    .connector-line {
      stroke: rgba(0,212,255,0.15);
      stroke-width: 1;
      stroke-dasharray: 4 6;
      fill: none;
      animation: dash-flow 3s linear infinite;
    }
    @keyframes dash-flow { to { stroke-dashoffset: -40; } }

    /* ---------- SECTION SHARED ---------- */
    section { padding: 6rem 2rem; position: relative; }
    .section-inner { max-width: 1100px; margin: 0 auto; }
    .section-label {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.75rem; color: var(--cyan);
      letter-spacing: 3px; text-transform: uppercase;
      margin-bottom: 0.75rem;
      display: flex; align-items: center; gap: 0.75rem;
    }
    .section-label::after {
      content: ''; flex: 1; max-width: 60px;
      height: 1px; background: var(--cyan); opacity: 0.4;
    }
    .section-title {
      font-family: 'Space Grotesk', sans-serif;
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700; margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }
    .section-sub {
      color: var(--lavender); font-size: 0.95rem; line-height: 1.8;
      max-width: 540px; margin-bottom: 3rem;
    }

    /* ---------- ABOUT ---------- */
    #about { background: var(--card); }
    .about-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 4rem; align-items: center;
    }
    .about-text p {
      color: var(--lavender); line-height: 1.85; font-size: 0.95rem;
      margin-bottom: 1rem;
    }
    .about-text p strong { color: var(--white); }
    .stat-row {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 1rem; margin-top: 2rem;
    }
    .stat-card {
      padding: 1.25rem; border-radius: 10px;
      background: rgba(0,212,255,0.06);
      border: 1px solid rgba(0,212,255,0.1);
      text-align: center;
    }
    .stat-num {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1.75rem; font-weight: 700;
      color: var(--cyan);
    }
    .stat-lbl {
      font-size: 0.75rem; color: var(--lavender);
      font-family: 'JetBrains Mono', monospace;
      margin-top: 0.25rem;
    }
    .about-tools {
      display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem;
    }
    .tool-tag {
      padding: 0.35rem 0.85rem; border-radius: 20px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.72rem; color: var(--cyan);
      border: 1px solid rgba(0,212,255,0.25);
      background: rgba(0,212,255,0.05);
    }

    /* ---------- SKILLS ---------- */
    #skills { background: var(--navy); }
    .skills-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 1.25rem;
    }
    .skill-card {
      padding: 1.5rem; border-radius: 12px;
      background: var(--card);
      border: 1px solid rgba(255,255,255,0.05);
      transition: border-color 0.3s, transform 0.3s;
      position: relative; overflow: hidden;
    }
    .skill-card::before {
      content: ''; position: absolute;
      top: 0; left: 0; right: 0; height: 2px;
      opacity: 0; transition: opacity 0.3s;
    }
    .skill-card:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-3px); }
    .skill-card:hover::before { opacity: 1; }
    .skill-header {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 0.75rem;
    }
    .skill-name-row { display: flex; align-items: center; gap: 0.75rem; }
    .skill-icon {
      width: 36px; height: 36px; border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem;
    }
    .skill-name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600; font-size: 0.95rem;
    }
    .skill-badge {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.65rem; padding: 0.2rem 0.6rem; border-radius: 20px;
      letter-spacing: 0.5px; text-transform: uppercase;
    }
    .badge-intermediate { background: rgba(0,212,255,0.15); color: var(--cyan); border: 1px solid rgba(0,212,255,0.3); }
    .badge-basic { background: rgba(123,97,255,0.15); color: var(--purple); border: 1px solid rgba(123,97,255,0.3); }
    .badge-learning { background: rgba(255,165,0,0.12); color: #FFA500; border: 1px solid rgba(255,165,0,0.3); }
    .progress-track {
      height: 4px; background: rgba(255,255,255,0.06); border-radius: 99px;
      overflow: hidden; margin-top: 0.5rem;
    }
    .progress-bar {
      height: 100%; border-radius: 99px;
      transform: scaleX(0); transform-origin: left;
      transition: transform 1s cubic-bezier(0.4,0,0.2,1);
    }
    .progress-bar.animated { transform: scaleX(1); }
    .bar-cyan { background: linear-gradient(90deg, #00D4FF, #00a8cc); }
    .bar-purple { background: linear-gradient(90deg, #7B61FF, #5a45cc); }
    .bar-orange { background: linear-gradient(90deg, #FFA500, #cc8400); }

    /* ---------- PROJECTS ---------- */
    #projects { background: var(--card); }
    .projects-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.5rem;
    }
    .project-card {
      border-radius: 14px; overflow: hidden;
      background: var(--navy);
      border: 1px solid rgba(255,255,255,0.06);
      transition: all 0.35s; position: relative;
    }
    .project-card:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
    .project-thumb {
      height: 160px;
      display: flex; align-items: center; justify-content: center;
      font-size: 3rem; position: relative; overflow: hidden;
    }
    .project-thumb::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(to bottom, transparent 40%, var(--navy));
    }
    .project-body { padding: 1.5rem; }
    .project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }
    .project-tag {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.65rem; padding: 0.2rem 0.5rem;
      border-radius: 4px; color: var(--cyan);
      background: var(--cyan-dim);
    }
    .project-name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600; font-size: 1.05rem; margin-bottom: 0.5rem;
    }
    .project-desc { color: var(--lavender); font-size: 0.875rem; line-height: 1.7; margin-bottom: 1rem; }
    .project-link {
      display: inline-flex; align-items: center; gap: 0.4rem;
      font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
      color: var(--cyan); text-decoration: none; transition: gap 0.2s;
    }
    .project-link:hover { gap: 0.75rem; }
    .project-link svg { width: 14px; height: 14px; }

    /* ---------- CERTIFICATES ---------- */
    #certificates { background: var(--navy); }
    .cert-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.25rem;
    }
    .cert-card {
      padding: 1.75rem; border-radius: 14px;
      background: var(--card);
      border: 1px solid rgba(255,255,255,0.06);
      transition: all 0.3s; position: relative; overflow: hidden;
      cursor: default;
    }
    .cert-card::before {
      content: ''; position: absolute;
      top: -60%; left: -30%; width: 200%; height: 200%;
      background: radial-gradient(circle at center, rgba(0,212,255,0.06) 0%, transparent 60%);
      opacity: 0; transition: opacity 0.4s;
    }
    .cert-card:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-4px); }
    .cert-card:hover::before { opacity: 1; }
    .cert-badge {
      width: 54px; height: 54px; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.75rem; margin-bottom: 1rem;
    }
    .cert-issuer {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.7rem; color: var(--cyan);
      letter-spacing: 1px; text-transform: uppercase;
      margin-bottom: 0.4rem;
    }
    .cert-name {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600; font-size: 0.95rem; margin-bottom: 0.5rem;
    }
    .cert-date { font-size: 0.8rem; color: var(--lavender); }
    .cert-status {
      display: inline-flex; align-items: center; gap: 0.35rem;
      margin-top: 0.75rem; font-size: 0.72rem;
      font-family: 'JetBrains Mono', monospace;
      padding: 0.25rem 0.6rem; border-radius: 20px;
    }
    .status-active { background: rgba(0,255,136,0.1); color: #00FF88; border: 1px solid rgba(0,255,136,0.25); }
    .status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: pulse-dot 2s infinite; }
    @keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.4} }

    /* ---------- FOOTER ---------- */
    footer {
      background: var(--card); border-top: 1px solid rgba(255,255,255,0.06);
      padding: 3rem 2rem; text-align: center;
    }
    .footer-inner { max-width: 1100px; margin: 0 auto; }
    .footer-logo {
      font-family: 'Space Grotesk', sans-serif;
      font-size: 1.5rem; font-weight: 700;
      color: var(--cyan); margin-bottom: 1rem;
    }
    .footer-social {
      display: flex; justify-content: center; gap: 1rem; margin-bottom: 1.5rem;
    }
    .footer-copy {
      font-size: 0.8rem; color: var(--lavender);
      font-family: 'JetBrains Mono', monospace;
    }

    /* ---------- FADE-IN ANIMATION ---------- */
    .fade-up {
      opacity: 0; transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-up.visible { opacity: 1; transform: none; }
    .fade-up:nth-child(2) { transition-delay: 0.1s; }
    .fade-up:nth-child(3) { transition-delay: 0.2s; }
    .fade-up:nth-child(4) { transition-delay: 0.3s; }

    /* ---------- FLOATING BLOBS ---------- */
    .blob {
      position: absolute; border-radius: 50%;
      filter: blur(80px); pointer-events: none; z-index: 0;
    }
    .blob-1 {
      width: 400px; height: 400px;
      background: rgba(0,212,255,0.06);
      top: -100px; right: -80px;
    }
    .blob-2 {
      width: 300px; height: 300px;
      background: rgba(123,97,255,0.07);
      bottom: 0; left: -60px;
    }

    /* ---------- RESPONSIVE ---------- */
    @media (max-width: 768px) {
      .hero-inner { grid-template-columns: 1fr; text-align: center; }
      .photo-wrap { order: -1; }
      .hero-bio { margin: 0 auto 2rem; }
      .hero-eyebrow { justify-content: center; }
      .hero-cta { justify-content: center; }
      .social-row { justify-content: center; }
      .about-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .stat-row { grid-template-columns: repeat(3,1fr); }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }