/* ===== CSS Variables ===== */
      :root {
        --primary: #3a5ba0;
        --primary-dark: #2c3f66;
        --secondary: #10b981;
        --accent: #e76f51;
        --light: #f5f7fa;
        --dark: #1e293b;
        --gray: #cbd5e1;
        --white: #ffffff;
        --black: #000000;
        --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
        --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        --radius: 12px;
        --max-width: 1200px;
        --nav-height: 80px;
        --font-primary: "Inter", system-ui, sans-serif;
      }

      /* ===== Base Styles ===== */
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      html {
        scroll-behavior: smooth;
        font-size: 16px;
      }

      body {
        font-family: var(--font-primary);
        line-height: 1.6;
        color: var(--dark);
        background-color: var(--light);
        overflow-x: hidden;
      }

      /* Custom Scrollbar */
      ::-webkit-scrollbar {
        width: 10px;
      }

      ::-webkit-scrollbar-track {
        background: var(--gray);
        border-radius: 5px;
      }

      ::-webkit-scrollbar-thumb {
        background: var(--primary);
        border-radius: 5px;
      }

      ::-webkit-scrollbar-thumb:hover {
        background: var(--primary-dark);
      }

      /* ===== Typography ===== */
      h1, h2, h3, h4, h5, h6 {
        font-weight: 700;
        line-height: 1.2;
        margin-bottom: 1rem;
        color: var(--primary);
      }

      h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
      h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
      h3 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
      h4 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

      p {
        font-size: clamp(1rem, 2vw, 1.1rem);
        margin-bottom: 1.5rem;
        color: var(--dark);
        padding: 1rem 0;
      }

      a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
      }

      img {
        max-width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
      }

      /* ===== Utility Classes ===== */
      .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 1.5rem;
      }

      .section {
        padding: 5rem 0;
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
      }

      .section.visible {
        opacity: 1;
        transform: translateY(0);
      }

      /* Fallback for content visibility */
      .section, .audit-section {
        animation: ensureVisible 2s forwards;
      }

      @keyframes ensureVisible {
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .section-title {
        text-align: center;
        margin-bottom: 3rem;
        position: relative;
        transform: scale(0.95);
        opacity: 0;
        transition: transform 0.6s ease, opacity 0.6s ease;
      }

      .section-title.visible {
        margin-top: 3rem;
         
        opacity: 1;
      }

      .section-title::after {
        content: "";
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%) scaleX(0);
        width: 80px;
        height: 4px;
        background: var(--secondary);
        border-radius: 2px;
        transition: transform 0.6s ease 0.3s;
      }

      .section-title.visible::after {
        transform: translateX(-50%) scaleX(1);
      }

      .text-center { text-align: center; }

      .btn {
        display: inline-block;
        padding: 0.8rem 1.8rem;
        background: var(--secondary);
        color: var(--white);
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
        transition: var(--transition);
        font-weight: 600;
        text-align: center;
        box-shadow: var(--shadow);
        position: relative;
        overflow: hidden;
      }

      .btn::before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.2);
        transition: left 0.4s ease;
      }

      .btn:hover::before {
        left: 100%;
      }

      .btn:hover {
        background: var(--primary);
        transform: translateY(-3px) scale(1.05);
        box-shadow: var(--shadow-hover);
      }

      .btn-accent {
        background: var(--accent);
      }

      .btn-accent:hover {
        background: #c0392b;
      }

      .btn-outline {
        background: transparent;
        border: 2px solid var(--secondary);
        color: var(--secondary);
      }

      .btn-outline:hover {
        background: var(--secondary);
        color: var(--white);
      }

      /* Back to Top Button */
      .back-to-top {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        background: var(--primary);
        color: var(--white);
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 1000;
        transform: scale(0.8);
      }

      .back-to-top.visible {
        opacity: 1;
        visibility: visible;
        transform: scale(1);
      }

      .back-to-top:hover {
        background: var(--primary-dark);
        transform: translateY(-3px) scale(1.1);
      }

      /* Theme Toggle */
      .theme-toggle {
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--dark);
        cursor: pointer;
        transition: var(--transition);
      }

      .theme-toggle:hover {
        color: var(--secondary);
        transform: rotate(360deg);
      }

      /* ===== Header & Navigation ===== */
      header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: var(--white);
        box-shadow: var(--shadow);
        transition: var(--transition);
        height: var(--nav-height);
      }

      .header-scrolled {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      }

      .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: var(--nav-height);
      }

      .logo {
        display: flex;
        align-items: center;
        gap: 1rem;
        transform: translateY(10px);
        opacity: 0;
        transition: transform 0.6s ease 0.2s, opacity 0.6s ease 0.2s;
      }

      .logo.visible {
        transform: translateY(0);
        opacity: 1;
      }

      .logo-img {
        height: 70px;
        width: auto;
        transition: transform 0.4s ease;
      }

      .logo:hover .logo-img {
        transform: scale(1.1);
      }

      .logo-text {
        display: flex;
        flex-direction: column;
      }

      .logo-text h1 {
        font-size: 1.1rem;
        margin-bottom: 0;
        color: var(--primary);
      }

      .logo-text span {
        font-size: 1.1rem;
        color: var(--secondary);
        font-weight: 500;
      }

      .nav-links {
        display: flex;
        gap: 1.5rem;
        list-style: none;
      }

      .nav-links > li { 
        position: relative;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.6s ease, transform 0.6s ease;
      }

      .nav-links > li:nth-child(1) { transition-delay: 0.1s; }
      .nav-links > li:nth-child(2) { transition-delay: 0.2s; }
      .nav-links > li:nth-child(3) { transition-delay: 0.3s; }
      .nav-links > li:nth-child(4) { transition-delay: 0.4s; }
      .nav-links > li:nth-child(5) { transition-delay: 0.5s; }
      .nav-links > li:nth-child(6) { transition-delay: 0.6s; }
      .nav-links > li:nth-child(7) { transition-delay: 0.7s; }
      .nav-links > li:nth-child(8) { transition-delay: 0.8s; }

      .nav-links.visible > li {
        opacity: 1;
        transform: translateY(0);
      }

      .nav-links a {
        font-weight: 600;
        color: var(--dark);
        padding: 0.5rem 0;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        position: relative;
      }

      .nav-links a i {
        font-size: 0.9rem;
        color: var(--dark);
        transition: var(--transition);
      }

      .nav-links a:hover i,
      .nav-links .current a i {
        color: var(--secondary);
        transform: scale(1.2);
      }

      .nav-links a::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--secondary);
        transition: width 0.4s ease;
      }

      .nav-links a:hover::after,
      .nav-links .current a::after {
        width: 100%;
      }

      .nav-links .current a { color: var(--secondary); }

      .dropdown-content {
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--white);
        min-width: 220px;
        box-shadow: var(--shadow);
        border-radius: var(--radius);
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
        z-index: 100;
        padding: 0.5rem 0;
       
      }

      .dropdown.active .dropdown-content {
        display: block;
      }
      .dropdown:hover .dropdown-content,
      .dropdown:focus-within .dropdown-content {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .dropdown-content a {
        display: block;
        padding: 0.8rem 1.5rem;
        color: var(--dark);
        transition: var(--transition);
      }

      .dropdown-content a:hover,
      .dropdown-content a:focus {
        background: var(--light);
        color: var(--secondary);
        padding-left: 1.8rem;
        transform: translateX(5px);
      }

      .dropdown-content a i { color: var(--dark); }

      .dropdown-content a:hover i,
      .dropdown-content a:focus i {
        color: var(--secondary);
      }

      .hamburger {
        display: none;
        cursor: pointer;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--primary);
        transition: transform 0.4s ease;
      }

      .hamburger:hover {
        transform: rotate(90deg);
      }

      /* Mobile Menu Backdrop */
      .nav-backdrop {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.4s ease;
      }

      .nav-backdrop.active {
        display: block;
        opacity: 1;
      }

      /* ===== Footer ===== */
      .footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-bottom: 3rem;
      }

      .footer-column {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
      }

      .footer-column:nth-child(1) { transition-delay: 0.1s; }
      .footer-column:nth-child(2) { transition-delay: 0.2s; }
      .footer-column:nth-child(3) { transition-delay: 0.3s; }
      .footer-column:nth-child(4) { transition-delay: 0.4s; }

      .footer-column.visible {
        opacity: 1;
        transform: translateY(0);
      }

      footer {
        background: var(--primary);
        color: var(--white);
        padding: 4rem 0 2rem;
      }

      .footer-column p {
        color: rgba(255, 255, 255, 0.7);
      }

      .footer-column h3 {
        color: var(--white);
        margin-bottom: 1.5rem;
        position: relative;
        padding-bottom: 10px;
      }

      .footer-column h3::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 2px;
        background: var(--secondary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s ease;
      }

      .footer-column.visible h3::after {
        transform: scaleX(1);
      }

      .footer-links { list-style: none; }

      .footer-links li { margin-bottom: 0.8rem; }

      .footer-links a {
        color: #bdc3c7;
        transition: var(--transition);
      }

      .footer-links a:hover,
      .footer-links a:focus {
        color: var(--secondary);
        transform: translateX(10px);
      }

      .contact-info { list-style: none; }

      .contact-info li {
        margin-bottom: 1rem;
        display: flex;
        align-items: flex-start;
        gap: 0.8rem;
      }

      .contact-info i {
        margin-top: 3px;
        color: var(--secondary);
        transition: transform 0.4s ease;
      }

      .contact-info li:hover i {
        transform: scale(1.2);
      }

      .social {
        display: flex;
        gap: 25px;
      }

      .social a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        border-radius: 12px;
        background: var(--dark);
        color: var(--dark);
        font-size: 1.3rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
      }

      .social a:nth-child(1) { color: #3b5998; }
      .social a:nth-child(2) { color: #1da1f2; }
      .social a:nth-child(3) { color: #e1306c; }
      .social a:nth-child(4) { color: #25d366; }

      .social a:hover,
      .social a:focus {
        transform: translateY(-5px) scale(1.1);
        box-shadow: var(--shadow-hover);
      }

      .social a:nth-child(1):hover,
      .social a:nth-child(1):focus { background: #3b5998; color: white; }
      .social a:nth-child(2):hover,
      .social a:nth-child(2):focus { background: #1da1f2; color: white; }
      .social a:nth-child(3):hover,
      .social a:nth-child(3):focus { background: #e1306c; color: white; }
      .social a:nth-child(4):hover,
      .social a:nth-child(4):focus { background: #25d366; color: white; }

      .footer-bottom {
        text-align: center;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.9rem;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease 0.5s, transform 0.6s ease 0.5s;
      }

      .footer-bottom.visible {
        opacity: 1;
        transform: translateY(0);
      }
      .footer-bottom p {
        color: rgba(255, 255, 255, 0.7);
        margin: 0;
      }
      .tech-badge {
        display: inline-block;
        padding: 6px 12px;
        border: 1px solid #03fa6e;
        border-radius: 4px;
        background: rgba(0, 10, 20, 0.4);
        backdrop-filter: blur(4px);
        font-family: 'Inter', sans-serif;
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      
      .tech-badge span {
        font-size: 0.7em;
        color: #03fa6e;
        display: block;
      }
      
      .tech-badge strong {
        font-size: 0.9em;
        color: white;
        font-weight: 500;
      }
      
      .tech-badge:hover {
        background: rgba(0, 243, 255, 0.1);
        border-color: #03fa6e;
      }

      /* ===== Mobile Styles ===== */
      @media (max-width: 1138px) {
        .nav-links {
          position: fixed;
          top: var(--nav-height);
          left: -100%;
          width: 80%;
          height: 100%;
          background: var(--white);
          flex-direction: column;
          align-items: flex-start;
          padding: 2rem;
          gap: 1rem;
          transition: left 0.4s ease;
          box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
          z-index: 1000;
        }

        .nav-links.active {
          left: 0;
        }

        .nav-links > li {
          opacity: 1;
          transform: translateY(0);
          transition: none;
        }

        .dropdown-content {
          position: static;
          opacity: 1;
          visibility: visible;
          box-shadow: none;
          background: rgba(0, 0, 0, 0.02);
          display: none;
          margin-left: 1rem;
          margin-top: 0.5rem;
        }

        .dropdown.active .dropdown-content {
          display: block;
        }

        .hamburger {
          display: block;
        }

        .theme-toggle {
          margin-left: 1rem;
        }
      }

      @media (max-width: 768px) {
        .section { padding: 3rem 0; }

        .back-to-top {
          bottom: 1rem;
          right: 1rem;
          width: 40px;
          height: 40px;
        }
      }
      

      /* Accessibility */
      .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
      }

      /* Audit Section Specific Styles */
      .audit-section {
        margin-bottom: 40px;
        background: var(--white);
        padding: 2rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease, transform 0.8s ease;
      }

      .audit-section.visible {
        opacity: 1;
        transform: translateY(0);
      }

      .audit-section h2 {
        color: var(--primary);
        text-align: left;
        margin-bottom: 1.5rem;
      }

      .audit h2:not(.section-title) {
        margin-top: 50px;
      }

      table {
        width: 100%;
        border-collapse: collapse;
        margin: 1.5rem 0;
        font-size: clamp(0.9rem, 1.8vw, 1rem);
      }

      th, td {
        padding: 12px;
        text-align: left;
        border-bottom: 1px solid var(--gray);
      }

      th {
        background-color: var(--light);
        font-weight: 700;
        color: var(--primary);
      }

      tr:nth-child(even) {
        background-color: rgba(245, 247, 250, 0.5);
      }

      .signature-block {
        display: flex;
        justify-content: space-around;
        margin-top: 2rem;
        text-align: center;
        flex-wrap: wrap;
        gap: 1.5rem;
        
      }

      .signature-block.left-aligned {
        justify-content: flex-start;
        margin-left: 50px;
      }

      .signature-line {
        border-top: 1px solid var(--dark);
        width: 150px;
        display: inline-block;
        margin-top: 50px;
      }

      .note {
        margin-bottom: 1.5rem;
      }

      .note-title {
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 0.5rem;
      }

      @media (max-width: 600px) {
        table {
          font-size: 0.85rem;
        }

        th, td {
          padding: 8px 5px;
        }

        .signature-block {
          flex-direction: column;
          align-items: center;
        }

        .signature-block.left-aligned {
          margin-left: 0;
          justify-content: center;
        }
      }