:root{
    --bg:#071020;
    --panel:#0d1b2a;
    --muted:#9aa6b2;
    --accent:#00e5ff; /* change this to change accent */
    --glass: rgba(255,255,255,0.03);
    --glow: 0 6px 24px rgba(0,229,255,0.08);
    --radius:14px;
    --max-width:1100px;
  }
  
  /* Reset + base */
  *{box-sizing:border-box}
  html,body{height:100%}
  body{
    margin:0;
    font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background:linear-gradient(180deg,var(--bg) 0%, #03101a 100%);
    color:#d6e6ee;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    line-height:1.55;
  }
  
  /* Page fade (simple page transition) */
  .page-fade{opacity:0; animation:fadeIn 450ms ease forwards}
  @keyframes fadeIn { to {opacity:1} }
  
  /* Header / nav */
  .nav-container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:18px 28px;
    max-width:var(--max-width);
    margin:0 auto;
  }
  .brand .logo{
    font-weight:700;
    letter-spacing:0.3px;
    color:var(--accent);
    text-decoration:none;
  }
  
  .nav{
    display:flex;
    gap:10px;
    align-items:center;
  }
  .nav-btn{
    color:var(--muted);
    text-decoration:none;
    padding:10px 14px;
    border-radius:10px;
    transition:all .22s ease;
    font-weight:600;
  }
  .nav-btn:hover{ color:#fff; transform:translateY(-3px); box-shadow: var(--glow) }
  .nav-btn.active{ background:linear-gradient(90deg, rgba(0,229,255,0.08), rgba(0,229,255,0.02)); color:var(--accent) }
  
  /* Mobile toggle - hidden on desktop */
  .nav-toggle{
    display:none;
    background:transparent;
    border:1px solid rgba(255,255,255,0.04);
    color:var(--muted);
    padding:8px 10px;
    border-radius:8px;
  }
  
  /* Layout container */
  .container{
    max-width:var(--max-width);
    margin:30px auto;
    padding:18px;
    display:block;
  }
  
  /* Hero */
  .hero{
    display:flex;
    gap:30px;
    align-items:center;
    justify-content:space-between;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    padding:28px;
    border-radius:var(--radius);
    box-shadow: var(--glow);
    overflow:hidden;
  }
  .profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    display: block; /* make sure it's not hidden */
    margin: 0 auto;
    box-shadow: 0 0 15px var(--accent);
  }
  
  .hero-inner{max-width:60%}
  .hero-title{font-size:2rem; margin:0 0 6px 0}
  .hero-title .accent{color:var(--accent)}
  .hero-sub{color:var(--muted); margin:0 0 12px 0}
  .tagline{margin:0 0 18px 0; font-weight:500; color:#cfeff6}
  .btn{
    display:inline-block;
    text-decoration:none;
    background:linear-gradient(90deg,var(--accent), #00b3ff);
    color:#00121a;
    padding:10px 16px;
    border-radius:10px;
    font-weight:700;
    box-shadow: var(--glow);
    transition:transform .18s ease;
  }
  .btn:hover{ transform:translateY(-4px) }
  .btn.ghost{
    background:transparent;
    color:var(--muted);
    border:1px solid rgba(255,255,255,0.04);
  }
  
  /* Hero orb animation */
  .hero-animation{ width:180px; height:180px; position:relative; display:flex; align-items:center; justify-content:center; }
  .orb{
    width:140px; height:140px; border-radius:50%;
    background: radial-gradient(circle at 25% 20%, rgba(0,229,255,0.22), rgba(0,229,255,0.08) 30%, transparent 60%);
    box-shadow: 0 10px 40px rgba(0,229,255,0.06), 0 0 40px rgba(0,229,255,0.06) inset;
    animation:orbFloat 6s ease-in-out infinite;
  }
  @keyframes orbFloat {
    0% { transform: translateY(0) scale(1) }
    50% { transform: translateY(-12px) scale(1.03) }
    100% { transform: translateY(0) scale(1) }
  }
  
  /* Preview cards */
  .preview-cards{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:18px; margin-top:20px }
  .card{
    background:var(--panel);
    padding:18px;
    border-radius:12px;
    box-shadow: 0 6px 18px rgba(2,12,22,0.6);
    transition:transform .22s ease, box-shadow .22s ease;
  }
  .card:hover{ transform:translateY(-8px); box-shadow: 0 12px 40px rgba(0,229,255,0.06) }
  .card h3{ margin:0 0 8px 0; color:#fff }
  .card p{ margin:0 0 12px 0; color:var(--muted) }
  .card-link{ text-decoration:none; font-weight:700; color:var(--accent) }
  
  /* Content card (used on inner pages) */
  .content-card{
    background: linear-gradient(180deg, rgba(255,255,255,0.01), transparent);
    padding:22px;
    border-radius:12px;
    box-shadow: var(--glow);
  }
  .lead{ color:#d7eef6; font-size:1.05rem; }
  .dot-list{ padding-left:18px; color:var(--muted) }
  .facts-grid{ display:flex; gap:12px; margin-top:12px; flex-wrap:wrap }
  .fact{ background:var(--glass); padding:10px 14px; border-radius:10px; color:var(--muted) }
  
  /* Skills grid */
  .skills-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin-top:14px }
  .skill-card{ background:var(--panel); padding:16px; border-radius:12px; box-shadow:var(--glow); transition:transform .18s ease }
  .skill-card:hover{ transform:translateY(-6px) }
  
  /* Projects */
  .project-list{ display:flex; flex-direction:column; gap:12px; margin-top:10px }
  .project{ background:var(--panel); padding:16px; border-radius:12px }
  
  /* Timeline */
  .timeline{ display:flex; flex-direction:column; gap:12px; margin-top:10px }
  .timeline-item{ display:flex; gap:12px; align-items:flex-start; background:var(--panel); padding:12px; border-radius:10px }
  .timeline-year{ font-weight:700; color:var(--accent); min-width:80px }
  
  /* Contact form */
  .contact-form{ display:flex; flex-direction:column; gap:12px; margin-top:12px }
  .contact-form label{ display:flex; flex-direction:column; font-weight:600; color:var(--muted) }
  .contact-form input, .contact-form textarea{
    margin-top:8px; padding:12px; border-radius:10px; border:1px solid rgba(255,255,255,0.03);
    background:transparent; color:inherit; outline:none;
  }
  .form-actions{ margin-top:6px }
  .form-msg{ color:var(--muted); margin-top:8px }
  
  /* Footer signature */
  .footer{
    padding:18px; text-align:center; margin-top:28px;
  }
  .signature{
    color:var(--muted); font-size:0.95rem;
    font-family: "Pacifico", cursive;
    letter-spacing:0.6px;
  }
  .signature-name{ color:var(--accent); text-shadow: 0 6px 18px rgba(0,229,255,0.06) }
  
  /* Responsive */
  @media (max-width:800px){
    .hero{ flex-direction:column; align-items:flex-start }
    .hero-inner{ max-width:100% }
    .hero-animation{ align-self:center }
    .nav-toggle{ display:inline-block }
    .nav{ gap:6px }
    .nav-btn{ display:none } /* nav opens with JS on small screens */
    .nav.open .nav-btn{ display:inline-block }
  }