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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #0a192f;
            color: #ccd6f6;
            line-height: 1.6;
        }
         /* NAVIGATION */
        nav {
            background-color: #0a192f;
            border-bottom: 1px solid rgba(100, 255, 218, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .logo {
            font-size: 1rem;
            font-weight: 700;
            color: #64ffda;
            text-decoration: none;
        }

        .nav-menu {
            display: flex;
            gap: 2rem;
        }

        .nav-menu a {
            color: #ccd6f6;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s;
        }

        .nav-menu a:hover {
            color: #64ffda;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #64ffda;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0; 
                      
        }

        /* ===== HERO SECTION ===== */
        .hero {
            padding: 4rem 0 3rem;
            text-align: center;
            border-bottom: 1px solid #233554;
        }
        .hero h1 {
            font-size: 5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ffffff 0%, #4ecdc4 100%);
            text-align: left;
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-top: 1em;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            margin-top: 5rem;
            background-color: #64ffda;
            color: #0a192f;
            text-decoration: none;
            font-weight: 600;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .btn:hover {
            transform: translateY(-2px);
        }
        .hero-cta{
            margin-bottom: 1.25rem;
        }
        .follow{
           width: fit-content;
           margin: auto;
           
        }
        .hero .tagline {
            font-size: 1.3rem;
            color: #a8b2d1;
            max-width: 700px;
            margin: 0 auto 1.5rem;
        }
        .hero .subhead {
            font-size: 1rem;
            color: #8892b0;
            max-width: 600px;
            margin: 0 auto;
            border-top: 1px solid #233554;
            padding-top: 1.5rem;
        }
        .hero .badge-row {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        .hero-badge {
            background: #112240;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #64ffda;
            border: 1px solid #64ffda30;
        }

        /* SECTIONS */
        .section {
            padding: 5rem 1rem;
            max-width: 1200px;
            margin: 0 auto;
            border-bottom: 1px solid #233554;
        }
        /* .section {
            padding: 3rem 0;
            border-bottom: 1px solid #233554;
        } */
        .section:last-of-type {
            border-bottom: none;
        }
        .section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #64ffda;
            margin-bottom: 2rem;
            letter-spacing: -0.3px;
            text-align: center;
        }
           /* section headers */
        .section-header {
            margin: 2rem 0 1.2rem 0;
            border-bottom: 1px solid #233554;
            padding-bottom: 0.5rem;
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #64ffda;
            letter-spacing: -0.3px;
        }
        .section-header p {
            color: #8892b0;
            margin-top: 0.3rem;
        }
        /* Cards grid */
        .expect-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
        }
        .expect-grid .card {
            flex: 1 1 260px;
            background-color: #112240;
            padding: 1.8rem;
            border-radius: 12px;
            border: 1px solid rgba(100, 255, 218, 0.15);
            transition: transform 0.2s, border-color 0.2s;
        }
        .expect-grid .card:hover {
            border-color: #64ffda;
            transform: translateY(-4px);
        }
        .expect-grid .card h3 {
            color: #64ffda;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        .expect-grid .card p {
            color: #a8b2d1;
            font-size: 0.95rem;
        }

        /* Layers: flexible row (3 columns) */
        .flex-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
        }
        .flex-col-2 {
            flex: 1 1 300px;
        }
        .layer-card {
            background-color: #112240;
            padding: 1.6rem;
            border-radius: 12px;
            border: 1px solid rgba(100, 255, 218, 0.15);
            transition: all 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .layer-card:hover {
            border-color: #64ffda;
            transform: translateY(-4px);
        }
        .layer-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #64ffda;
            margin-bottom: 0.5rem;
            letter-spacing: -0.3px;
        }
        .layer-card h4 {
            font-size: 0.85rem;
            font-weight: 500;
            color: #7a8bb0;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1rem;
        }
        .core-principle {
            background: #0a1930;
            border-left: 3px solid #64ffda;
            padding: 0.8rem 1rem;
            margin: 1rem 0;
            border-radius: 6px;
        }
        .core-principle p {
            font-size: 0.85rem;
            color: #ccd6f6;
            margin: 0;
            line-height: 1.5;
            
        }
        .core-principle strong {
            color: #64ffda;
            font-style: normal;
        }
        .layer-summary {
            margin-top: 0.75rem;
            color: #a8b2d1;
            font-size: 0.9rem;
        }
        .layer-tag {
            display: inline-block;
            background: rgba(100, 255, 218, 0.1);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            color: #64ffda;
            margin-top: 0.8rem;
            align-self: flex-start;
        }
        /* ===== CORE PRINCIPLE SECTION ===== */
        .principle {
            background: #0d1f3a;
            border-left: 4px solid #64ffda;
            padding: 1.8rem 2rem; 
            margin-top: 4rem;          
            margin-bottom: 3rem;
            border-radius: 6px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }

        .principle h2 {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: 2px;
            color: #64ffda;
            margin-bottom: 0.75rem;
           text-align: left;
        }

        .principle p {
            font-size: 1.05rem;
            color: #a8b2d1;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== PRICING GRID ===== */
        .pricing-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2.5rem 0 2rem;
        }

        .card {
            background-color: #112240;
            padding: 1.8rem 1.8rem 2rem;
            border-radius: 12px;
            border: 1px solid rgba(100, 255, 218, 0.15);
            transition: transform 0.2s ease, border-color 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            flex: 1 1 300px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }

        .card:hover {
            border-color: #64ffda;
            transform: translateY(-4px);
        }

        .card h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #64ffda;
            margin-bottom: 0.25rem;
            letter-spacing: -0.5px;
        }
   
        #pricing{
            font-size: 3rem;
            color: #64ffda;
            text-align: left;
        }
        .price {
            font-size: 2rem;
            font-weight: 700;
            color: #64ffda;
            margin: 0.5rem 0 0.25rem;
            line-height: 1.2;
        }

        .price-note {
            font-size: 0.85rem;
            color: #7a8bb0;
            margin-bottom: 1rem;
            border-bottom: 1px dashed rgba(100, 255, 218, 0.3);
            display: inline-block;
            padding-bottom: 4px;
        }

        .card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #e6f1ff;
            margin: 1.2rem 0 0.6rem;
            letter-spacing: 0.3px;
        }

        .card ul {
            margin: 0 0 1rem 0;
            padding-left: 1.3rem;
        }

        .card li {
            color: #8892b0;
            margin-bottom: 0.6rem;
            font-size: 0.95rem;
            line-height: 1.4;
        }

        .badge-subdomain {
            background: rgba(100, 255, 218, 0.08);
            border: 1px solid rgba(100, 255, 218, 0.25);
            border-radius: 30px;
            padding: 0.25rem 0.8rem;
            font-size: 0.7rem;
            font-weight: 500;
            color: #64ffda;
            display: inline-block;
            margin: 0.5rem 0 0.2rem;
        }
        .badge {
            background: rgba(100, 255, 218, 0.08);
            border: 1px solid rgba(100, 255, 218, 0.25);
            border-radius: 30px;
            padding: 0.25rem 0.8rem;
            font-size: 0.7rem;
            font-weight: 500;
            color: #64ffda;
            display: inline-block;
            margin: 0.5rem 0 0.2rem;
        }

        .distinction-table {
            background: #0a1930;
            border-radius: 12px;
            margin: 2rem 0 1.5rem;
            padding: 1rem;
            border: 1px solid #233554;
            overflow-x: auto;
        }
        .distinction-table table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }
        .distinction-table th {
            text-align: left;
            padding: 0.75rem 0.5rem;
            color: #64ffda;
            border-bottom: 1px solid #233554;
        }
        .distinction-table td {
            padding: 0.75rem 0.5rem;
            border-bottom: 1px solid #233554;
            color: #a8b2d1;
            vertical-align: top;
        }
        .distinction-table tr:last-child td {
            border-bottom: none;
        }
        .card-note {
            margin-top: 1.2rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(100, 255, 218, 0.1);
            font-size: 0.85rem;
            color: #7a8bb0;
        }

        .card-note strong {
            color: #ccd6f6;
        }

        /* Tier 3 specific table (subdomain pricing) */
        .sub-pricing {
            background: #0a1930;
            border-radius: 10px;
            margin: 1.2rem 0 0.8rem;
            padding: 1rem;
            border: 1px solid #233554;
        }

        .sub-pricing p {
            font-size: 0.85rem;
            font-weight: 600;
            color: #64ffda;
            margin-bottom: 0.6rem;
        }

        .sub-table {
            width: 100%;
            font-size: 0.8rem;
            border-collapse: collapse;
        }

        .sub-table td {
            padding: 0.5rem 0.2rem;
            border-bottom: 1px solid #233554;
            color: #a8b2d1;
        }

        .sub-table td:first-child {
            font-weight: 500;
        }

        .sub-table td:last-child {
            text-align: right;
            color: #64ffda;
            font-weight: 500;
        }

        .process-note {
            background: #0d1f3a;
            border-radius: 12px;
            padding: 1.5rem 2rem;
            margin: 1rem;
            border: 1px solid #233554;
        }

        .process-note h4 {
            color: #64ffda;
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .process-note p {
            color: #a8b2d1;
            font-size: 0.95rem;
        }

        /* Layer 2 */
        .badge-vpn {
            background: rgba(100, 255, 218, 0.08);
            border: 1px solid rgba(100, 255, 218, 0.25);
            border-radius: 30px;
            padding: 0.25rem 0.8rem;
            font-size: 0.7rem;
            font-weight: 500;
            color: #64ffda;
            display: inline-block;
            margin: 0.5rem 0 0.2rem;
        }

        .walkthrough-note {
            background: #0a1930;
            border-radius: 10px;
            margin: 1.2rem 0 0.8rem;
            padding: 1rem;
            border-left: 3px solid #64ffda;
        }

        .walkthrough-note p {
            font-size: 0.8rem;
            color: #a8b2d1;
            margin-bottom: 0.3rem;
        }

        .walkthrough-note strong {
            color: #64ffda;
        }
        .physical{
            margin-top: 6rem;
        }

        /* LAYER 3 */
       
        .one-sentence {
            background: #0a2a3c;
            border-radius: 10px;
            padding: 1.2rem 2rem;
            margin: 1.5rem 0 2rem;
            text-align: center;
            border: 1px solid #64ffda30;
        }
        .one-sentence p {
            font-size: 1.2rem;
            font-weight: 500;
            color: #e6f1ff;
            margin: 0;
        }
        .one-sentence span {
            color: #64ffda;
        }
         .finding-card {
            background-color: #112240;
            padding: 1.5rem;
            border-left: 3px solid #64ffda;
            margin-bottom: 1.5rem;
        }
        .finding-card h3 {
            color: #64ffda;
            margin-bottom: 0.5rem;
        }

        .finding-card ul {
            margin: 0.5rem 0;
            padding-left: 1.2rem;
        }

        .finding-card .finding-lesson {
            color: #e6f1ff;
            font-weight: 500;
            margin-top: 0.75rem;
        }

         .environment-header {
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: #e6f1ff;
            border-left: 3px solid #64ffda;
            padding-left: 1rem;
        }

        .environment-header .small {
            font-size: 0.85rem;
            color: #8892b0;
            font-weight: normal;
        }

        .template-buttons {
            display: flex;
            flex-direction: column; 
            margin-top: 15px;
                      
            
        }
        .btn-secondary{
            display: inline-block;
            padding: 0.75rem 1.5rem;
            margin-top: 1.2rem;
            background-color: #64ffda;
            color: #0a192f;
            text-decoration: none;
            font-weight: 600;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .btn-secondary:hover{
            transform: translateY(-2px);
        }
        .secPrice{
            margin-bottom: 0;
        }
        #contact{            
            padding: 0;
            margin-top: 0;
            margin-bottom: 8rem;
        }
        #contact h2{
            font-size: 3rem;
            background: #0d1f3a;
            border-left: 4px solid #64ffda;
            padding: 1.8rem 2rem; 
            margin-top: 4rem;          
            margin-bottom: 3rem;
            border-radius: 6px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        #inquiry{
            margin-top: 3rem;
        }
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(10, 25, 47, 0.95);
            z-index: 2000;
            padding: 2rem;
            overflow-y: auto;
        }

        .modal-content {
            max-width: 600px;
            margin: 2rem auto;
            background-color: #112240;
            padding: 2rem;
            border-radius: 4px;
            border: 1px solid rgba(100, 255, 218, 0.1);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .modal-close {
            background: none;
            border: 1px solid #64ffda;
            color: #64ffda;
            padding: 0.5rem 1rem;
            cursor: pointer;
            border-radius: 4px;
        }

        .modal-pre {
            font-family: monospace;
            font-size: 0.9rem;
            padding: 1.5rem;
            background-color: #0a192f;
            color: #64ffda;
            border: 1px solid #233554;
            white-space: pre-wrap;
            border-radius: 4px;
            margin-bottom: 1.5rem;
        }
        em{
            font-weight: 400;
        }
         footer {
            text-align: center;
            padding: 2rem;
            border-top: 1px solid rgba(100, 255, 218, 0.1);
            background-color: #112240;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #ccd6f6;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: #64ffda;
        }
        #iAM{
            font-family: monospace;
            text-align: center;
            font-size: 0.9rem;            
            background-color: #0a192f;
            color: #64ffda;
            border: 1px solid #233554;            
            padding: 45px;
           
        }
        hr {
            border: none;
            height: 1px;
            background: #233554;
            margin: 2rem 0 1rem;
        }

        @media (max-width: 900px) {
             .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #112240;
                flex-direction: column;
                padding: 1rem;
                text-align: center;
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .pricing-grid {
                gap: 1.5rem;
            }
            .card {
                padding: 1.5rem;
            }
            .principle {
                padding: 1.2rem 1.5rem;
            }
        }

        @media (max-width: 768px) {
             .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #112240;
                flex-direction: column;
                padding: 1rem;
                text-align: center;
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero .tagline {
                font-size: 1.1rem;
            }
            .section h2 {
                font-size: 1.7rem;
            }
        }