/* --- VIBRANT TECH THEME INTEGRATION --- */
    :root {
      --bg-color: #020617;
      --card-bg: rgba(30, 41, 59, 0.6);
      --text-main: #f8fafc;
      --text-muted: #cbd5e1;

      /* Vibrant Accents */
      --accent: #00e1ff;
      /* Electric Cyan */
      --accent-secondary: #6366f1;
      /* Indigo */
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: 'Inter', sans-serif;
      overflow-x: hidden;
    }

    /* Background Gradient Mesh */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15), transparent 25%);
      z-index: -1;
      pointer-events: none;
    }

    /* Typography */
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      font-family: 'Exo 2', sans-serif;
      color: #fff;
      font-weight: 700;
    }

    a {
      color: var(--accent);
      text-decoration: none;
      transition: 0.3s;
    }

    a:hover {
      color: #fff;
      text-shadow: 0 0 10px var(--accent);
    }

    /* --- SIDEBAR & LAYOUT --- */
    #header {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: 300px;
      transition: all 0.5s;
      z-index: 9997;
      overflow-y: auto;
      padding: 0 15px;
      background: rgba(2, 6, 23, 0.95);
      border-right: 1px solid rgba(255, 255, 255, 0.05);
    }

    #main {
      margin-left: 300px;
      transition: margin-left 0.5s;
    }

    .profile h1 a {
      color: #fff;
      text-decoration: none;
    }

    .nav-menu a {
      color: var(--text-muted);
    }

    .nav-menu a:hover,
    .nav-menu .active,
    .nav-menu .active:focus {
      color: var(--accent);
    }

    .mobile-nav-toggle-fix {
      position: fixed;
      right: 15px;
      top: 15px;
      z-index: 9999;
      border: 0;
      font-size: 24px;
      transition: all 0.4s;
      outline: none !important;
      background-color: var(--accent);
      color: #020617;
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 0;
      border-radius: 50%;
      cursor: pointer;
    }

    @media (max-width: 1199px) {
      #header {
        left: -300px;
      }

      #main {
        margin-left: 0;
      }

      body.mobile-nav-active #header {
        left: 0;
      }

      body.mobile-nav-active::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 9996;
      }
    }

    /* --- PROJECT CARD STYLES --- */
    .project-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      margin-bottom: 30px;
      padding: 25px;
      transition: transform 0.3s ease;
      color: var(--text-main);
    }

    .project-card:hover {
      border-color: var(--accent);
      transform: translateY(-5px);
      box-shadow: 0 10px 40px -10px rgba(0, 225, 255, 0.15);
    }

    /* Info Box (Left Column) */
    .portfolio-info {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      padding: 30px;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      margin-bottom: 20px;
    }

    .portfolio-info h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      color: #fff;
    }

    .portfolio-info ul {
      list-style: none;
      padding: 0;
    }

    .portfolio-info ul li {
      padding-bottom: 10px;
      color: var(--text-muted);
    }

    .portfolio-info ul li strong {
      color: var(--accent);
      font-weight: 600;
      margin-right: 10px;
    }

    /* Breadcrumbs */
    .breadcrumbs {
      padding: 20px 0;
      background: rgba(15, 23, 42, 0.8);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      margin-bottom: 40px;
    }

    .breadcrumbs h2 {
      font-size: 26px;
      font-weight: 300;
      margin: 0;
    }

    .breadcrumbs ol {
      display: flex;
      flex-wrap: wrap;
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 15px;
    }

    .breadcrumbs ol li+li {
      padding-left: 10px;
    }

    .breadcrumbs ol li+li::before {
      display: inline-block;
      padding-right: 10px;
      color: var(--text-muted);
      content: "/";
    }

    /* Tech Badges (Overriding Bootstrap defaults to match theme) */
    .badge {
      font-size: 0.8rem;
      font-weight: 600;
      margin-right: 5px;
      margin-bottom: 5px;
      padding: 6px 12px;
      border-radius: 20px;
      background: rgba(99, 102, 241, 0.2) !important;
      color: #fff !important;
      border: 1px solid rgba(99, 102, 241, 0.5);
    }

    /* Ensure old bootstrap classes don't override transparency */
    .bg-primary,
    .bg-secondary {
      background-color: transparent !important;
    }

    /* Video & Images */
    video,
    img {
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      background-color: #000;
    }

    .sticky-sidebar {
      position: sticky;
      top: 20px;
      z-index: 10;
    }

    .portfolio-details-slider .swiper-slide img {
      width: 100%;
      border-radius: 10px;
    }

    .swiper-pagination .swiper-pagination-bullet-active {
      background: var(--accent);
    }

    /* Back to Top */
    .back-to-top {
      position: fixed;
      visibility: hidden;
      opacity: 0;
      right: 15px;
      bottom: 15px;
      z-index: 996;
      background: var(--accent);
      width: 40px;
      height: 40px;
      border-radius: 4px;
      transition: all 0.4s;
    }

    .back-to-top i {
      font-size: 28px;
      color: #020617;
      line-height: 0;
    }

    .back-to-top:hover {
      background: var(--accent-secondary);
      color: #fff;
    }

    .back-to-top.active {
      visibility: visible;
      opacity: 1;
    }


    /* --- VIBRANT TECH THEME INTEGRATION --- */
    :root {
      --bg-color: #020617; 
      --card-bg: rgba(30, 41, 59, 0.6); 
      --text-main: #f8fafc;
      --text-muted: #cbd5e1;
      --accent: #00e1ff; 
      --accent-secondary: #6366f1; 
      --gradient-text: linear-gradient(to right, #00e1ff, #6366f1);
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: 'Inter', sans-serif;
      overflow-x: hidden;
    }

    /* Background Gradient Mesh */
    body::before {
      content: "";
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
                  radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15), transparent 25%);
      z-index: -1;
      pointer-events: none;
    }

    /* Typography */
    h1, h2, h3, h4, h5, h6 { 
      font-family: 'Exo 2', sans-serif; 
      color: #fff; 
      font-weight: 700; 
    }

    a { color: var(--accent); text-decoration: none; transition: 0.3s; }
    a:hover { color: #fff; text-shadow: 0 0 10px var(--accent); }

    /* --- SIDEBAR & LAYOUT --- */
    #header {
      position: fixed; top: 0; left: 0; bottom: 0; width: 300px;
      transition: all 0.5s; z-index: 9997; overflow-y: auto;
      padding: 0 15px; background: rgba(2, 6, 23, 0.95);
      border-right: 1px solid rgba(255,255,255,0.05);
    }

    #main { margin-left: 300px; transition: margin-left 0.5s; }

    .profile h1 a { color: #fff; text-decoration: none; }
    .nav-menu a { color: var(--text-muted); }
    .nav-menu a:hover, .nav-menu .active, .nav-menu .active:focus { color: var(--accent); }

    .mobile-nav-toggle-fix { 
        position: fixed; right: 15px; top: 15px; z-index: 9999;
        border: 0; font-size: 24px; transition: all 0.4s; outline: none !important;
        background-color: var(--accent); color: #020617;
        width: 40px; height: 40px; display: inline-flex;
        align-items: center; justify-content: center;
        line-height: 0; border-radius: 50%; cursor: pointer; 
    }

    @media (max-width: 1199px) {
        #header { left: -300px; }
        #main { margin-left: 0; }
        body.mobile-nav-active #header { left: 0; }
        body.mobile-nav-active::before {
            content: ""; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.6); z-index: 9996;
        }
    }

    /* --- PROJECT CARD STYLES --- */
    .project-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 12px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      margin-bottom: 30px;
      padding: 25px;
      transition: transform 0.3s ease;
      color: var(--text-main);
    }
    .project-card:hover {
        border-color: var(--accent);
        transform: translateY(-5px);
        box-shadow: 0 10px 40px -10px rgba(0, 225, 255, 0.15);
    }

    /* Breadcrumbs */
    .breadcrumbs { padding: 20px 0; background: rgba(15, 23, 42, 0.8); border-bottom: 1px solid rgba(255,255,255,0.05); margin-bottom: 40px; }
    .breadcrumbs h2 { font-size: 26px; font-weight: 300; margin: 0; }
    .breadcrumbs ol { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; font-size: 15px; }
    .breadcrumbs ol li + li { padding-left: 10px; }
    .breadcrumbs ol li + li::before { display: inline-block; padding-right: 10px; color: var(--text-muted); content: "/"; }

    /* Tech Badges */
    .badge-tech {
      font-size: 0.8rem;
      font-weight: 600;
      margin-right: 5px;
      margin-bottom: 5px;
      padding: 6px 12px;
      border-radius: 20px;
      background: rgba(0, 225, 255, 0.1);
      border: 1px solid rgba(0, 225, 255, 0.3);
      color: var(--accent);
      display: inline-block;
    }

    /* Buttons */
    .btn-primary {
        background: linear-gradient(45deg, var(--accent-secondary), var(--accent));
        border: none;
        color: #020617;
        font-weight: 600;
        transition: 0.3s;
    }
    .btn-primary:hover {
        box-shadow: 0 0 15px rgba(0, 225, 255, 0.4);
        color: #fff;
    }
    .btn-outline-primary {
        color: var(--accent);
        border: 1px solid var(--accent);
        background: transparent;
    }
    .btn-outline-primary:hover {
        background: var(--accent);
        color: #020617;
        box-shadow: 0 0 15px rgba(0, 225, 255, 0.4);
    }

    /* Step Number (Specific to this page) */
    .step-number {
      background: linear-gradient(135deg, var(--accent-secondary), var(--accent));
      color: #020617;
      width: 30px; height: 30px; border-radius: 50%;
      display: inline-flex; align-items: center; justify-content: center;
      margin-right: 10px; font-weight: bold;
      box-shadow: 0 0 10px rgba(0, 225, 255, 0.3);
    }

    /* Alerts */
    .alert {
        background: rgba(15, 23, 42, 0.6);
        border: 1px solid rgba(255,255,255,0.1);
        color: var(--text-muted);
    }
    .text-danger { color: #ff4d4d !important; }
    .text-success { color: #00e676 !important; }

    /* Images */
    .gallery-img {
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.1);
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
      margin-bottom: 15px;
      width: 100%;
      background: #000;
    }
    
    .sticky-sidebar { position: sticky; top: 20px; z-index: 10; }
    .portfolio-details-slider .swiper-slide img { width: 100%; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
    .swiper-pagination .swiper-pagination-bullet-active { background: var(--accent); }

    /* Gradient Text Utility */
    .text-gradient {
      background: var(--gradient-text);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* Back to Top */
    .back-to-top {
      position: fixed; visibility: hidden; opacity: 0; right: 15px; bottom: 15px;
      z-index: 996; background: var(--accent); width: 40px; height: 40px;
      border-radius: 4px; transition: all 0.4s;
    }
    .back-to-top i { font-size: 28px; color: #020617; line-height: 0; }
    .back-to-top:hover { background: var(--accent-secondary); color: #fff; }
    .back-to-top.active { visibility: visible; opacity: 1; }

  <style>
    /* --- VIBRANT TECH THEME INTEGRATION --- */
    :root {
      --bg-color: #020617; 
      --card-bg: rgba(30, 41, 59, 0.6); 
      --text-main: #f8fafc;
      --text-muted: #cbd5e1;
      
      /* Vibrant Accents */
      --accent: #00e1ff; /* Electric Cyan */
      --accent-secondary: #6366f1; /* Indigo */
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-main);
      font-family: 'Inter', sans-serif;
      overflow-x: hidden;
    }

    /* Background Gradient Mesh */
    body::before {
      content: "";
      position: fixed;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
                  radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15), transparent 25%);
      z-index: -1;
      pointer-events: none;
    }

    /* Typography */
    h1, h2, h3, h4, h5, h6 { 
      font-family: 'Exo 2', sans-serif; 
      color: #fff; 
      font-weight: 700; 
    }

    a { color: var(--accent); text-decoration: none; transition: 0.3s; }
    a:hover { color: #fff; text-shadow: 0 0 10px var(--accent); }

    /* --- SIDEBAR & LAYOUT --- */
    #header {
      position: fixed; top: 0; left: 0; bottom: 0; width: 300px;
      transition: all 0.5s; z-index: 9997; overflow-y: auto;
      padding: 0 15px; background: rgba(2, 6, 23, 0.95);
      border-right: 1px solid rgba(255,255,255,0.05);
    }

    #main { margin-left: 300px; transition: margin-left 0.5s; }

    .profile h1 a { color: #fff; text-decoration: none; }
    .nav-menu a { color: var(--text-muted); }
    .nav-menu a:hover, .nav-menu .active, .nav-menu .active:focus { color: var(--accent); }

    .mobile-nav-toggle-fix { 
        position: fixed; right: 15px; top: 15px; z-index: 9999;
        border: 0; font-size: 24px; transition: all 0.4s; outline: none !important;
        background-color: var(--accent); color: #020617;
        width: 40px; height: 40px; display: inline-flex;
        align-items: center; justify-content: center;
        line-height: 0; border-radius: 50%; cursor: pointer; 
    }

    @media (max-width: 1199px) {
        #header { left: -300px; }
        #main { margin-left: 0; }
        body.mobile-nav-active #header { left: 0; }
        body.mobile-nav-active::before {
            content: ""; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.6); z-index: 9996;
        }
    }

    /* --- PROJECT CARD STYLES --- */
    .project-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 12px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      margin-bottom: 30px;
      padding: 25px;
      transition: transform 0.3s ease;
      color: var(--text-main);
    }
    .project-card:hover {
        border-color: var(--accent);
        transform: translateY(-5px);
        box-shadow: 0 10px 40px -10px rgba(0, 225, 255, 0.15);
    }

    /* Info Box (Left Column) */
    .portfolio-info {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      padding: 30px;
      border-radius: 16px;
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }
    .portfolio-info ul { list-style: none; padding: 0; }
    .portfolio-info ul li { padding-bottom: 10px; color: var(--text-muted); }
    .portfolio-info ul li strong { color: var(--accent); font-weight: 600; margin-right: 10px; }

    /* Feature Images */
    .feature-img {
      width: 100%; height: auto; border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
      border: 1px solid rgba(255,255,255,0.1);
      margin-top: 15px;
      background: #000;
    }

    /* Tech Badges */
    .badge-tech {
      font-size: 0.8rem; font-weight: 600; margin-right: 5px; margin-bottom: 5px;
      padding: 6px 12px; border-radius: 20px;
      background: rgba(99, 102, 241, 0.2) !important;
      color: #fff !important; border: 1px solid rgba(99, 102, 241, 0.5);
    }

    /* Breadcrumbs */
    .breadcrumbs { padding: 20px 0; background: rgba(15, 23, 42, 0.8); border-bottom: 1px solid rgba(255,255,255,0.05); margin-bottom: 40px; }
    .breadcrumbs h2 { font-size: 26px; font-weight: 300; margin: 0; }
    .breadcrumbs ol { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; font-size: 15px; }
    .breadcrumbs ol li + li { padding-left: 10px; }
    .breadcrumbs ol li + li::before { display: inline-block; padding-right: 10px; color: var(--text-muted); content: "/"; }

    /* Icons */
    .feature-icon {
      font-size: 1.5rem;
      color: var(--accent);
      margin-right: 10px;
      vertical-align: middle;
      text-shadow: 0 0 5px rgba(0, 225, 255, 0.5);
    }
    
    /* Buttons */
    .btn-primary {
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--accent);
      transition: 0.3s;
    }
    .btn-primary:hover {
      background: var(--accent);
      color: #000;
      border-color: var(--accent);
      box-shadow: 0 0 15px var(--accent);
    }

    .sticky-sidebar { position: sticky; top: 20px; z-index: 10; }
    .portfolio-details-slider .swiper-slide img { width: 100%; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
    .swiper-pagination .swiper-pagination-bullet-active { background: var(--accent); }

    /* Back to Top */
    .back-to-top {
      position: fixed; visibility: hidden; opacity: 0; right: 15px; bottom: 15px;
      z-index: 996; background: var(--accent); width: 40px; height: 40px;
      border-radius: 4px; transition: all 0.4s;
    }
    .back-to-top i { font-size: 28px; color: #020617; line-height: 0; }
    .back-to-top:hover { background: var(--accent-secondary); color: #fff; }
    .back-to-top.active { visibility: visible; opacity: 1; }

  </style>