:root {
    --glass-bg: rgba(255,255,255,0.12);
    --glass-border: rgba(255,255,255,0.25);
    --glass-shadow: 0 8px 40px rgba(0,0,0,0.18);
    --glass-blur: blur(24px);
    --accent1: #6ee7f7;
    --accent2: #a78bfa;
    --accent3: #f9a8d4;
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.72);
    --text-muted: rgba(255,255,255,0.45);
    --radius-pill: 9999px;
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  }

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

  html { scroll-behavior: smooth; }

  body {
    font-family: 'DM Sans', sans-serif;
    background: #070b1a;
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
  }

  /* ─── BACKGROUND ─── */
  .bg-canvas {
    position: fixed; inset: 0; z-index: 0;
    background: radial-gradient(ellipse 80% 60% at 20% 10%, #1a1060 0%, transparent 60%),
                radial-gradient(ellipse 70% 50% at 80% 90%, #0e2a4a 0%, transparent 60%),
                radial-gradient(ellipse 60% 70% at 60% 40%, #0d1f38 0%, transparent 70%),
                linear-gradient(135deg, #060914 0%, #0b1226 50%, #07101f 100%);
  }
  .bg-orb {
    position: fixed; border-radius: 50%; filter: blur(80px); opacity: 0.35; z-index: 0;
    animation: orbFloat 12s ease-in-out infinite alternate;
  }
  .orb1 { width:520px; height:520px; background:radial-gradient(circle, #4f46e5, transparent); top:-120px; left:-140px; animation-delay:0s; }
  .orb2 { width:420px; height:420px; background:radial-gradient(circle, #0891b2, transparent); bottom:-80px; right:-100px; animation-delay:-4s; }
  .orb3 { width:320px; height:320px; background:radial-gradient(circle, #7c3aed, transparent); top:40%; left:55%; animation-delay:-8s; }

  @keyframes orbFloat {
    from { transform: translate(0,0) scale(1); }
    to   { transform: translate(30px,20px) scale(1.08); }
  }

  /* ─── NAVBAR ─── */
  nav {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    z-index: 1000; display: flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(32px) saturate(180%);
    -webkit-backdrop-filter: blur(32px) saturate(180%);
    border: 1px solid rgba(255,255,255,0.20);
    border-radius: var(--radius-pill);
    padding: 10px 18px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.18);
    transition: var(--transition);
  }
  nav.scrolled {
    background: rgba(10,15,40,0.55);
    border-color: rgba(255,255,255,0.12);
    box-shadow: 0 8px 48px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.10);
  }
  .nav-logo {
    font-family: 'Sora', sans-serif;
    font-weight: 700; font-size: 1rem;
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-right: 10px; white-space: nowrap;
  }
  .nav-links { display: flex; gap: 2px; }
  .nav-links a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em;
    padding: 7px 14px; border-radius: var(--radius-pill);
    transition: var(--transition);
  }
  .nav-links a:hover, .nav-links a.active {
    background: rgba(255,255,255,0.14);
    color: #fff;
  }
  .nav-toggle {
    display: none; background: none; border: none; color: #fff;
    font-size: 1.2rem; cursor: pointer; padding: 6px;
  }

  /* ─── GLASS CARD ─── */
  .glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur) saturate(180%);
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.15);
    transition: var(--transition);
  }
  .glass:hover {
    background: rgba(255,255,255,0.16);
    box-shadow: 0 16px 60px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.2);
    transform: translateY(-3px);
  }

  /* ─── SECTIONS ─── */
  section { position: relative; z-index: 1; }
  .container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
  .section-pad { padding: 110px 0 80px; }

  .section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent1);
    background: rgba(110,231,247,0.10);
    border: 1px solid rgba(110,231,247,0.25);
    border-radius: var(--radius-pill);
    padding: 6px 16px; margin-bottom: 18px;
  }
  .section-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700; line-height: 1.1;
    margin-bottom: 18px;
  }
  .gradient-text {
    background: linear-gradient(135deg, #fff 30%, var(--accent2) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  }

  /* ─── HERO ─── */
  #home {
    min-height: 100vh; display: flex; align-items: center;
    padding-top: 100px;
  }
  .hero-inner {
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 60px;
  }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--accent1);
    background: rgba(110,231,247,0.10);
    border: 1px solid rgba(110,231,247,0.25);
    border-radius: var(--radius-pill); padding: 6px 16px;
    margin-bottom: 22px; width: fit-content;
  }
  .hero-badge::before { content:''; width:7px; height:7px; background:var(--accent1); border-radius:50%; box-shadow:0 0 8px var(--accent1); animation: pulse 2s infinite; }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.4)} }

  .hero-name {
    font-family: 'Sora', sans-serif;
    font-size: clamp(2.6rem, 5.5vw, 4.2rem);
    font-weight: 800; line-height: 1.05;
    margin-bottom: 10px;
  }
  .hero-role {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 400; color: var(--text-secondary); margin-bottom: 22px;
  }
  .hero-role span {
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    font-weight: 600;
  }
  .hero-desc {
    font-size: 1rem; line-height: 1.75;
    color: var(--text-secondary); max-width: 420px; margin-bottom: 36px;
  }
  .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

  .btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: var(--radius-pill);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff; font-weight: 600; font-size: 0.9rem;
    text-decoration: none; border: none; cursor: pointer;
    box-shadow: 0 4px 24px rgba(99,102,241,0.45);
    transition: var(--transition);
  }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 36px rgba(99,102,241,0.6); }

  .btn-ghost {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 26px; border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(16px);
    color: #fff; font-weight: 500; font-size: 0.9rem;
    text-decoration: none; cursor: pointer;
    border: 1px solid rgba(255,255,255,0.20);
    transition: var(--transition);
  }
  .btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }

  /* Hero avatar */
  .hero-visual { display: flex; justify-content: center; align-items: center; }
  .avatar-ring {
    position: relative; width: 340px; height: 340px;
  }
  .avatar-ring::before, .avatar-ring::after {
    content: ''; position: absolute; inset: -12px; border-radius: 50%;
    background: conic-gradient(var(--accent1), var(--accent2), var(--accent3), var(--accent1));
    animation: spinRing 6s linear infinite;
  }
  .avatar-ring::after { inset: -6px; opacity: 0.5; animation-direction: reverse; animation-duration: 9s; }
  @keyframes spinRing { to { transform: rotate(360deg); } }
  .avatar-inner {
    position: absolute; inset: 6px; border-radius: 50%; overflow: hidden;
    background: linear-gradient(145deg, rgba(99,102,241,0.6), rgba(139,92,246,0.4));
    backdrop-filter: blur(12px); border: 2px solid rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
  }
  .avatar-inner img { width:100%; height:100%; object-fit:cover; border-radius:50%; }
  .avatar-placeholder {
    width:100%; height:100%; display:flex; align-items:center; justify-content:center;
    font-size: 7rem; color: rgba(255,255,255,0.8);
    background: linear-gradient(145deg, rgba(99,102,241,0.4), rgba(14,116,144,0.3));
  }
  .hero-stats {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 36px;
  }
  .stat-card {
    text-align: center; padding: 18px 12px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    transition: var(--transition);
  }
  .stat-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
  .stat-number { font-family:'Sora',sans-serif; font-size:1.8rem; font-weight:800; color:var(--accent1); }
  .stat-label { font-size:0.72rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; margin-top:2px; }

  /* ─── ABOUT ─── */
  .about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
  .about-card { padding: 36px; }
  .about-card h3 { font-family:'Sora',sans-serif; font-size:1.1rem; font-weight:700; margin-bottom:14px; color:var(--accent1); }
  .about-card p { font-size:0.95rem; line-height:1.8; color:var(--text-secondary); }
  .edu-item { display:flex; gap:14px; padding:16px 0; border-bottom:1px solid rgba(255,255,255,0.08); }
  .edu-item:last-child { border:none; }
  .edu-icon { width:44px; height:44px; border-radius:var(--radius-md); display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:1.1rem; background:rgba(110,231,247,0.12); border:1px solid rgba(110,231,247,0.2); }
  .edu-info h4 { font-size:0.9rem; font-weight:600; }
  .edu-info span { font-size:0.78rem; color:var(--text-muted); }
  .interest-tags { display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
  .interest-tag { padding:6px 14px; border-radius:var(--radius-pill); font-size:0.78rem; font-weight:500; background:rgba(167,139,250,0.12); border:1px solid rgba(167,139,250,0.25); color:var(--accent2); transition:var(--transition); }
  .interest-tag:hover { background:rgba(167,139,250,0.22); }

  /* ─── SKILLS ─── */
  .skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 16px; }
  .skill-card {
    display: flex; flex-direction: column; align-items: center; gap: 12px;
    padding: 24px 16px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.13);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    cursor: default; transition: var(--transition);
    text-align: center;
  }
  .skill-card:hover { background: rgba(255,255,255,0.14); transform: translateY(-4px) scale(1.03); }
  .skill-icon { font-size: 2rem; line-height:1; }
  .skill-name { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
  .skill-bar { width:100%; height:3px; background:rgba(255,255,255,0.1); border-radius:2px; overflow:hidden; }
  .skill-fill { height:100%; border-radius:2px; background:linear-gradient(90deg,var(--accent1),var(--accent2)); transition:width 1.2s cubic-bezier(0.23,1,0.32,1); }

  /* ─── PROJECTS ─── */
  .projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px,1fr)); gap: 24px; }
  .project-card { overflow: hidden; padding: 0; display:flex; flex-direction:column; }
  .project-thumb {
    height: 190px; position: relative; overflow: hidden;
    background: linear-gradient(135deg, rgba(99,102,241,0.3), rgba(14,116,144,0.3));
    display:flex; align-items:center; justify-content:center;
  }
  .project-thumb .proj-icon { font-size:3.5rem; opacity:0.7; }
  .project-thumb::after {
    content:''; position:absolute; inset:0;
    background:linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.45) 100%);
  }
  .project-thumb-img { width:100%; height:100%; object-fit:cover; object-position:top center; }
  .project-body { padding: 22px; flex:1; display:flex; flex-direction:column; }
  .project-body h3 { font-family:'Sora',sans-serif; font-size:1.05rem; font-weight:700; margin-bottom:8px; }
  .project-body p { font-size:0.85rem; line-height:1.7; color:var(--text-secondary); flex:1; margin-bottom:16px; }
  .tech-tags { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:18px; }
  .tech-tag { padding:4px 10px; border-radius:var(--radius-pill); font-size:0.72rem; font-weight:600; background:rgba(110,231,247,0.10); border:1px solid rgba(110,231,247,0.2); color:var(--accent1); }
  .btn-sm {
    display:inline-flex; align-items:center; gap:6px;
    padding:9px 18px; border-radius:var(--radius-pill);
    background:rgba(99,102,241,0.2); border:1px solid rgba(99,102,241,0.35);
    color:#fff; font-size:0.8rem; font-weight:600;
    text-decoration:none; cursor:pointer; transition:var(--transition);
    width:fit-content;
  }
  .btn-sm:hover { background:rgba(99,102,241,0.4); transform:translateX(2px); }

  /* ─── EXPERIENCE ─── */
  .timeline { position:relative; padding-left: 36px; }
  .timeline::before { content:''; position:absolute; left:11px; top:10px; bottom:10px; width:2px; background:linear-gradient(to bottom, var(--accent1), var(--accent2), transparent); border-radius:2px; }
  .timeline-item { position:relative; margin-bottom:28px; }
  .timeline-dot { position:absolute; left:-36px; top:22px; width:22px; height:22px; border-radius:50%; background:linear-gradient(135deg,var(--accent1),var(--accent2)); box-shadow:0 0 14px rgba(110,231,247,0.5); border:3px solid rgba(0,0,0,0.4); }
  .timeline-card { padding:24px 28px; }
  .timeline-meta { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:6px; margin-bottom:10px; }
  .timeline-role { font-family:'Sora',sans-serif; font-size:1rem; font-weight:700; }
  .timeline-date { font-size:0.75rem; padding:4px 12px; border-radius:var(--radius-pill); background:rgba(110,231,247,0.10); border:1px solid rgba(110,231,247,0.2); color:var(--accent1); }
  .timeline-org { font-size:0.82rem; color:var(--text-muted); margin-bottom:10px; }
  .timeline-card p { font-size:0.88rem; line-height:1.75; color:var(--text-secondary); }

  /* ─── CONTACT ─── */
  .contact-grid { display:grid; grid-template-columns: 1fr 1fr; gap:28px; }
  .contact-card { padding:32px; display:flex; align-items:center; gap:20px; }
  .contact-icon-wrap { width:56px; height:56px; border-radius:var(--radius-lg); display:flex; align-items:center; justify-content:center; font-size:1.3rem; flex-shrink:0; }
  .contact-card h4 { font-size:0.8rem; font-weight:600; text-transform:uppercase; letter-spacing:0.1em; color:var(--text-muted); margin-bottom:4px; }
  .contact-card a { color:#fff; text-decoration:none; font-size:0.95rem; font-weight:500; transition:var(--transition); }
  .contact-card a:hover { color:var(--accent1); }
  .ci-email   { background:rgba(249,168,212,0.15); border:1px solid rgba(249,168,212,0.25); }
  .ci-wa      { background:rgba(34,197,94,0.12); border:1px solid rgba(34,197,94,0.25); }
  .ci-github  { background:rgba(255,255,255,0.10); border:1px solid rgba(255,255,255,0.18); }
  .ci-linkedin{ background:rgba(59,130,246,0.12); border:1px solid rgba(59,130,246,0.25); }

  /* ─── FOOTER ─── */
  footer {
    position:relative; z-index:1;
    text-align:center; padding:36px 24px;
    font-size:0.82rem; color:var(--text-muted);
    border-top:1px solid rgba(255,255,255,0.07);
  }
  footer span { color:var(--accent2); }

  /* ─── SCROLL REVEAL ─── */
  .reveal { opacity:0; transform:translateY(36px); transition:opacity 0.7s cubic-bezier(0.23,1,0.32,1), transform 0.7s cubic-bezier(0.23,1,0.32,1); }
  .reveal.visible { opacity:1; transform:translateY(0); }
  .reveal-delay-1 { transition-delay:0.1s; }
  .reveal-delay-2 { transition-delay:0.2s; }
  .reveal-delay-3 { transition-delay:0.3s; }
  .reveal-delay-4 { transition-delay:0.4s; }

  /* ─── RESPONSIVE ─── */
  @media(max-width:900px){
    .hero-inner { grid-template-columns:1fr; text-align:center; gap:36px; }
    .hero-desc { margin:0 auto 28px; }
    .hero-btns { justify-content:center; }
    .hero-stats { max-width:380px; margin:28px auto 0; }
    .avatar-ring { width:260px; height:260px; }
    .hero-visual { order:-1; }
    .about-grid { grid-template-columns:1fr; }
    .contact-grid { grid-template-columns:1fr; }
    .nav-links { display:none; flex-direction:column; position:absolute; top:60px; left:50%; transform:translateX(-50%); background:rgba(10,15,40,0.9); backdrop-filter:blur(32px); border:1px solid rgba(255,255,255,0.15); border-radius:var(--radius-xl); padding:16px; min-width:200px; }
    .nav-links.open { display:flex; }
    .nav-toggle { display:block; }
  }
  @media(max-width:600px){
    .skills-grid { grid-template-columns:repeat(3,1fr); }
    .projects-grid { grid-template-columns:1fr; }
    nav { padding:8px 14px; }
  }

  /* ─── DARK MODE OPTIONAL (matches system) ─── */
  @media(prefers-color-scheme:light){
    /* Already dark by design, override if needed */
  }

  /* ─── CURSOR GLOW ─── */
  .cursor-glow {
    pointer-events:none; position:fixed; z-index:9999;
    width:280px; height:280px; border-radius:50%;
    background:radial-gradient(circle, rgba(110,231,247,0.07) 0%, transparent 70%);
    transform:translate(-50%,-50%);
    transition:left 0.08s, top 0.08s;
  }

  /* Liquid shimmer */
  @keyframes shimmer {
    0%{background-position:200% center;}
    100%{background-position:-200% center;}
  }
  .shimmer-text {
    background: linear-gradient(90deg, #fff 20%, var(--accent1) 40%, var(--accent2) 60%, #fff 80%);
    background-size: 200% auto;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
  }