:root {
           --primary: #0F766E;
           --primary-dark: #0E5E57;
           --secondary: #14B8A6;
           --dark: #1e293b;
           --darker: #0f172a;
           --light: #f1f5f9;
           --gray: #64748b;
           --transition: all 0.3s ease;
       }

       .dark-mode {
           --primary: #14B8A6;
           --primary-dark: #0F766E;
           --secondary: #2DD4BF;
           --dark: #f1f5f9;
           --darker: #cbd5e1;
           --light: #1e293b;
           --gray: #94a3b8;
       }

       * {
           margin: 0;
           padding: 0;
           box-sizing: border-box;
           font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
       }

       body {
           background-color: var(--light);
           color: var(--dark);
           line-height: 1.6;
           transition: var(--transition);
       }

       .container {
           width: 90%;
           max-width: 1200px;
           margin: 0 auto;
           padding: 0 20px;
       }

       /* Header & Navigation */
       header {
           background-color: rgba(255, 255, 255, 0.96);
           box-shadow: 0 2px 16px rgba(15, 23, 42, 0.08);
           position: fixed;
           width: 100%;
           top: 0;
           z-index: 1000;
           transition: var(--transition);
           backdrop-filter: blur(12px);
       }

       nav {
           display: flex;
           justify-content: space-between;
           align-items: center;
           padding: 20px 0;
       }

       .logo {
           font-size: 1.8rem;
           font-weight: 700;
           color: var(--primary);
           text-decoration: none;
           white-space: nowrap;
       }

       .nav-links {
           display: flex;
           align-items: center;
           gap: 20px;
           list-style: none;
       }

       .nav-links li {
           margin-left: 0;
       }

       .nav-links a {
           text-decoration: none;
           color: var(--dark);
           font-weight: 500;
           transition: var(--transition);
       }

       .nav-links a:hover {
           color: var(--primary);
       }

       .nav-cta {
           background-color: var(--primary);
           border-radius: 8px;
           color: white;
           font-weight: 700;
           padding: 10px 16px;
           text-decoration: none;
           transition: var(--transition);
           white-space: nowrap;
       }

       .nav-cta:hover {
           background-color: var(--primary-dark);
           transform: translateY(-2px);
       }

       .theme-toggle {
           background: none;
           border: none;
           color: var(--dark);
           font-size: 1.2rem;
           cursor: pointer;
           transition: var(--transition);
       }

       .theme-toggle:hover {
           color: var(--primary);
       }

       .menu-toggle {
           display: none;
           background: none;
           border: none;
           color: var(--dark);
           font-size: 1.5rem;
           cursor: pointer;
       }

       /* Footer */
       footer {
           background-color: var(--darker);
           color: white;
           padding: 50px 0 20px;
       }

       footer p {
           color: rgba(255, 255, 255, 0.72);
           margin-top: 10px;
           max-width: 360px;
       }

       .footer-content {
           display: flex;
           justify-content: space-between;
           align-items: center;
           margin-bottom: 30px;
       }

       .footer-grid {
           align-items: center;
           display: grid;
           gap: 28px;
           grid-template-columns: 1.2fr auto auto;
           margin-bottom: 30px;
       }

       .footer-logo {
           font-size: 1.8rem;
           font-weight: 700;
           color: white;
       }

       .footer-links {
           display: flex;
           list-style: none;
           gap: 20px;
       }

       .footer-links a {
           color: white;
           text-decoration: none;
           transition: var(--transition);
       }

       .footer-links a:hover {
           color: var(--primary);
       }

       .social-links {
           display: flex;
           gap: 15px;
       }

       .social-link {
           width: 40px;
           height: 40px;
           border-radius: 50%;
           background-color: rgba(255, 255, 255, 0.1);
           color: white;
           display: flex;
           align-items: center;
           justify-content: center;
           transition: var(--transition);
       }

       .social-link:hover {
           background-color: var(--primary);
           transform: translateY(-3px);
       }

       .copyright {
           text-align: center;
           padding-top: 20px;
           border-top: 1px solid rgba(255, 255, 255, 0.1);
           color: rgba(255, 255, 255, 0.7);
           font-size: 0.9rem;
       }