* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Poppins", sans-serif;
    }

    body {
      background: linear-gradient(135deg, #0f0f0f, #1a1a1a, #2a2a2a);
      color: #fff;
      font-family: Arial, sans-serif;
    }

    /* ===== HEADER ===== */
    header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 10%;
      background: #1a1a1a;
      position: sticky;
      top: 0;
      z-index: 100;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    header h1 {
      font-size: 1.5rem;
      color: #00ff99;
    }

    /* Desktop nav */
    .nav-links {
      display: flex;
      gap: 30px;
    }

    .nav-links a:hover {
      color: #00ff99;
    }

    .nav-links a {
      color: #f5f5f5;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
    }

    /* Hamburger */
    .menu-btn {
      width: 30px;
      height: 25px;
      position: relative;
      cursor: pointer;
    }

    .menu-btn span {
      position: absolute;
      left: 0;
      width: 100%;
      height: 3px;
      background: white;
      border-radius: 3px;
      transition: all 0.4s ease;
    }

    .menu-btn span:nth-child(1) {
      top: 0;
    }
    .menu-btn span:nth-child(2) {
      top: 10px;
    }
    .menu-btn span:nth-child(3) {
      top: 20px;
    }

    /* When active -> turns into X */
    .menu-btn.active span:nth-child(1) {
      transform: rotate(45deg);
      top: 10px;
    }

    .menu-btn.active span:nth-child(2) {
      opacity: 0;
    }

    .menu-btn.active span:nth-child(3) {
      transform: rotate(-45deg);
      top: 10px;
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        right: 10%;
        background: #1a1a1a;
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        border-radius: 10px;
        width: 200px;
      }

      .nav-links a {
        padding: 10px;
      }

      .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease;
      }

      @keyframes slideDown {
        from {
          opacity: 0;
          transform: translateY(-10px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }
    }

    /* ===== HERO ===== */
    .hero {
      position: relative;
      text-align: center;
      padding: 100px 20px;
      border-radius: 16px;
      color: #fff;
      overflow: hidden;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255,255,255,0.08);
      backdrop-filter: blur(6px) saturate(120%);
      -webkit-backdrop-filter: blur(6px);
      box-shadow: 0 8px 22px rgba(0,0,0,0.6);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6));
      opacity: 0.35;
      z-index: 0;
    }

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

    .hero h2, .hero p {
      background: none;
      padding: 0;
      display: inline-block;
      font-weight: 600;
      text-shadow: 0 0 8px rgba(0, 255, 153, 0.6), 
                   0 0 15px rgba(0, 255, 153, 0.4);
      transition: text-shadow 0.3s ease;
      margin-bottom: 20px;
    }

    .typing-container { 
      margin-bottom: 20px; 
    }

    .hero h2:hover, .hero p:hover {
      text-shadow: 0 0 12px rgba(0, 255, 153, 0.9),
                   0 0 24px rgba(0, 255, 153, 0.7);
    }

    #typing::after {
      content: "|";
      animation: blink 0.7s infinite;
      margin-left: 3px;
      color: #00ff99;
    }

    @keyframes blink {
      0%, 50% { opacity: 1; }
      51%, 100% { opacity: 0; }
    }

    .btn {
      display: inline-block;
      padding: 14px 30px;
      background: #00ff99;
      color: #0f0f0f;
      border-radius: 30px;
      font-weight: bold;
      text-decoration: none;
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
      box-shadow: 0 0 12px rgba(0, 255, 153, 0.6);
      margin: 10px;
    }

    .btn:hover {
      background: #00cc77;
      color: #fff;
      box-shadow: 0 0 18px rgba(0, 255, 153, 0.9),
                  0 0 30px rgba(0, 255, 153, 0.7);
      transform: translateY(-3px) scale(1.05);
    }

    /* ===== NEW FEATURE 1: FLOATING PARTICLES ===== */
    .particles {
      position: fixed;
      top: 0;
      left: 0;#42445A
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
    }

    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      background: #00ff99;
      border-radius: 50%;
      opacity: 0.7;
      animation: float 6s infinite linear;
    }

    @keyframes float {
      0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
      }
      10% {
        opacity: 0.7;
      }
      90% {
        opacity: 0.7;
      }
      100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
      }
    }

    /* ===== NEW FEATURE 2: SKILLS SECTION WITH PROGRESS BARS ===== */
    .skills-section {
      padding: 60px 10%;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255,255,255,0.04);
      backdrop-filter: blur(6px) saturate(120%);
      -webkit-backdrop-filter: blur(6px);
      border-radius: 16px;
      margin: 20px 10%;
      box-shadow: 0 8px 22px rgba(0,0,0,0.6);
    }

    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .skill-item {
      margin-bottom: 25px;
    }

    .skill-name {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
      font-weight: 600;
      color: #e6f7ee;
    }

    .skill-bar {
      width: 100%;
      height: 8px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      overflow: hidden;
      position: relative;
    }

    .skill-progress {
      height: 100%;
      background: linear-gradient(90deg, #00ff99, #00cc77);
      border-radius: 10px;
      position: relative;
      transition: width 2s ease;
      box-shadow: 0 0 10px rgba(0, 255, 153, 0.6);
    }

    .skill-progress::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      height: 100%;
      width: 100%;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
      animation: shimmer 2s infinite;
    }

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

    /* ===== SECTIONS ===== */
    section {
      padding: 60px 10%;
    }
    
    .projects {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .project-card {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      padding: 18px;
      color: #e6f7ee;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255,255,255,0.08);
      backdrop-filter: blur(6px) saturate(120%);
      -webkit-backdrop-filter: blur(6px);
      box-shadow: 0 8px 22px rgba(0,0,0,0.6);
      transition: all 0.3s ease;
      margin-bottom: 20px; /* add spacing below each card */

    }

    .project-card::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: 0.25;
      z-index: 0;
    }

    .project-card * {
      position: relative;
      z-index: 1;
    }

    .project-card.show {
      opacity: 1;
      transform: translateY(0);
    }

    .project-card:hover {
      transform: translateY(-6px) scale(1.02);
      box-shadow: 0 0 25px rgba(0, 255, 153, 0.6);
      
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 0 15px rgba(0, 255, 153, 0.8);
  transition: all 0.3s ease;

    }

    /* ===== THEME TOGGLE ===== */
    .theme-toggle {
      position: fixed;
      top: 50%;
      right: 20px;
      transform: translateY(-50%);
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      z-index: 1000;
    }

    .theme-toggle:hover {
      background: rgba(0, 255, 153, 0.2);
      box-shadow: 0 0 15px rgba(0, 255, 153, 0.5);
    }

    /* Alternative theme */
    body.blue-theme {
      background: linear-gradient(135deg, #0f0f2a, #1a1a3a, #2a2a4a);
    }

    body.blue-theme .hero h2, 
    body.blue-theme .hero p {
      text-shadow: 0 0 8px rgba(0, 153, 255, 0.6), 
                   0 0 15px rgba(0, 153, 255, 0.4);
    }

    body.blue-theme .btn {
      background: #0099ff;
      box-shadow: 0 0 12px rgba(0, 153, 255, 0.6);
    }

    body.blue-theme .particle {
      background: #0099ff;
    }

    body.blue-theme .skill-progress {
      background: linear-gradient(90deg, #0099ff, #0077cc);
      box-shadow: 0 0 10px rgba(0, 153, 255, 0.6);
    }

    /* ===== FOOTER ===== */
    footer {
      text-align: center;
      padding: 20px;
      background: rgba(26, 26, 26, 0.8);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    footer p {
      text-align: center;
      margin: 0;
      font-size: 0.95rem;
      color: #e6f7ee;
      text-shadow: 0 0 8px rgba(0, 255, 153, 0.5),
        0 0 16px rgba(0, 255, 153, 0.3);
      transition: text-shadow 0.3s ease, transform 0.3s ease;
    }

    footer p:hover {
      text-shadow: 0 0 12px rgba(0, 255, 153, 0.9),
        0 0 24px rgba(0, 255, 153, 0.7);
      transform: scale(1.05);
    }

    :root{
      --bg1: #0f0f0f;
      --bg2: #111018;
      --bg3: #1b1b2b;
      --accent: #00ff99;
    }

    html, body { height: 100%; margin: 0; }

    body {
      font-family: "Poppins", sans-serif;
      color: #e9fef0;
      min-height: 100vh;
      margin: 0;
      background: linear-gradient(120deg, var(--bg1), var(--bg2), var(--bg3));
      background-size: 600% 600%;
      animation: vibeGradient 12s ease infinite;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    @keyframes vibeGradient {
      0%   { background-position: 0% 50%; }
      50%  { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
      background-size: 20px 20px;
      opacity: 0.05;
      mix-blend-mode: overlay;
      z-index: 0;
    }

    .page-root { position: relative; z-index: 1; }

    .card, .project-card, header, .hero, section {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.04);
      backdrop-filter: blur(6px) saturate(120%);
      -webkit-backdrop-filter: blur(6px);
    }

    .card, .project-card {
      border-radius: 12px;
      padding: 18px;
      box-shadow: 0 8px 22px rgba(0,0,0,0.6);
      color: #e6f7ee;
    }

    header {
      background: rgba(12,12,12,0.25);
      border-bottom: 1px solid rgba(255,255,255,0.04);
    }

    .projects {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 18px;
    }

    .typing-container {
      min-height: 40px;
      margin: 15px 0;
      font-size: 1.2rem;
    }

    .btn-container {
      margin-top: 10px;
    }

    .hero {
      text-align: center;
    }

    /* Mobile responsiveness */
    @media (max-width: 768px) {
      .skills-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      
      .theme-toggle {
        right: 10px;
        width: 40px;
        height: 40px;
      }
    }
    /* === Feedback Button (Circle, Green Glass Style) === */
.feedback-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 55px;
  height: 55px;
  border: none;
  border-radius: 50%; /* circle */
  font-size: 20px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(12px);
  background: rgba(0, 255, 153, 0.15); /* glassy green */
  border: 1px solid rgba(0, 255, 153, 0.25);
  color: #00ff99;
  box-shadow: 0 0 6px rgba(0, 255, 153, 0.35);
  transition: all 0.3s ease-in-out;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hover Effect */
.feedback-btn:hover {
  background: rgba(0, 255, 153, 0.25);
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.55);
  transform: scale(1.05);
}

/* Light Mode Variant */
body.light .feedback-btn {
  background: rgba(0, 0, 0, 0.05);
  color: #00cc77;
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: 0 0 5px rgba(0, 255, 153, 0.25);
}
body.light .feedback-btn:hover {
  background: rgba(0, 255, 153, 0.12);
  box-shadow: 0 0 9px rgba(0, 255, 153, 0.45);
}

/* === Feedback Popup (Glassy Green UI) === */
.feedback-content {
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 25px;
  color: #e6ffe6;
  border: 1px solid rgba(0, 255, 153, 0.25);
  box-shadow: 0 0 12px rgba(0, 255, 153, 0.3);
}

.feedback-content h2,
.feedback-content .close-btn {
  color: #00ff99;
}

/* Inputs & Textarea */
.feedback-content input,
.feedback-content textarea {
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(0, 255, 153, 0.25);
  background: rgba(255,255,255,0.08);
  color: #e6ffe6;
  box-shadow: 0 0 6px rgba(0, 255, 153, 0.3);
  transition: all 0.3s ease-in-out;
}
.feedback-content input:focus,
.feedback-content textarea:focus {
  border: 1px solid #00ff99;
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.6);
}

/* Placeholder Styling */
.feedback-content input::placeholder,
.feedback-content textarea::placeholder {
  color: rgba(200, 255, 220, 0.6);
}

/* Submit Button */
.feedback-content .btn {
  width: 40%;
  padding: 12px;
  border-radius: 12px;
  border: none;
  background: #00ff99;
  color: #111;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 6px rgba(0, 255, 153, 0.35);
}
.feedback-content .btn:hover {
  background: #00cc77;
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.55);
}
/* === Blue Theme Variant (Feedback Button) === */
body.blue-theme .feedback-btn {
  background: rgba(0, 153, 255, 0.15); /* glassy blue */
  color: #0099ff;
  border: 1px solid rgba(0, 153, 255, 0.25);
  box-shadow: 0 0 6px rgba(0, 153, 255, 0.35);
}

body.blue-theme .feedback-btn:hover {
  background: rgba(0, 153, 255, 0.25);
  box-shadow: 0 0 10px rgba(0, 153, 255, 0.55);
}

/* ==== FEEDBACK POPUP STYLES ==== */
.feedback-popup {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Glassmorphism Card */
.feedback-content {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 25px;
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 255, 153, 0.25);
  animation: popupFade 0.3s ease-in-out;
}

/* Title */
.feedback-content h2 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: #00ff99;
}

/* Close Button */
.close-btn {
  float: right;
  font-size: 22px;
  cursor: pointer;
  color: #00ff99;
  transition: 0.3s;
}
.close-btn:hover {
  color: #fff;
}

/* Input & Textarea */
.feedback-content input,
.feedback-content textarea {
  width: 100%;
  padding: 12px 18px;
  margin: 8px 0;
  border-radius: 50px; /* pill style */
  border: none;
  outline: none;
  font-size: 14px;
  color: #fff;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 6px rgba(0, 255, 153, 0.3);
  transition: all 0.3s ease;
  appearance: none;
}
.feedback-content textarea {
  border-radius: 20px; /* keep textarea slightly rounded instead of pill */
  resize: none;
}
.feedback-content input:focus,
.feedback-content textarea:focus {
  border: 1px solid #00ff99;
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.6);
}

/* Submit Button */
.feedback-content .btn {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 24px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  background: #00ff99;
  color: #000;
  box-shadow: 0 0 6px rgba(0, 255, 153, 0.3);
  transition: all 0.3s ease;
  appearance: none;
}
.feedback-content .btn:hover {
  background: #00cc77;
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.5);
  transform: scale(1.05);
}

/* Popup Animation */
@keyframes popupFade {
  from {opacity: 0; transform: scale(0.8);}
  to {opacity: 1; transform: scale(1);}
}

/* === Blue Theme Variant === */
body.blue-theme .feedback-content {
  background: rgba(20, 20, 40, 0.85);
  color: #e6f7ff;
}

body.blue-theme .feedback-content h2,
body.blue-theme .close-btn {
  color: #0099ff; /* neon blue */
}

body.blue-theme .feedback-content input,
body.blue-theme .feedback-content textarea {
  background: rgba(255,255,255,0.08);
  color: #e6f7ff;
  box-shadow: 0 0 6px rgba(0, 153, 255, 0.3);
}

body.blue-theme .feedback-content input:focus,
body.blue-theme .feedback-content textarea:focus {
  border: 1px solid #0099ff;
  box-shadow: 0 0 10px rgba(0, 153, 255, 0.6);
}

body.blue-theme .feedback-content .btn {
  background: #0099ff;
  color: #fff;
  box-shadow: 0 0 6px rgba(0, 153, 255, 0.3);
}

body.blue-theme .feedback-content .btn:hover {
  background: #0077cc;
  box-shadow: 0 0 10px rgba(0, 153, 255, 0.5);
}

/* Blue Theme Placeholders */
body.blue-theme .feedback-content input::placeholder,
body.blue-theme .feedback-content textarea::placeholder {
  color: rgba(200, 220, 255, 0.6);
}