        /* --- CSS VARIABLES & RESET --- */
        :root {
            --navy: #0E1A38;
            --navy-light: #16254a;
            --gold: #D2A753;
            --gold-hover: #b88e3f;
            --silver: #F5F6FA;
            --text-dark: #111111;
            --text-grey: #555555;
            --white: #ffffff;
            --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--silver);
            color: var(--text-dark);
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        h1, h2, h3, h4 {
            font-family: 'Poppins', sans-serif;
            color: var(--navy);
        }

        .mono { font-family: 'Roboto Mono', monospace; }
        
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        /* --- ANIMATION CLASSES --- */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease-out, transform 0.8s ease-out;
        }
        
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- HEADER & NAVIGATION --- */
        header {
            background: rgba(14, 26, 56, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 5%;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(210, 167, 83, 0.2);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo svg {
            width: 40px;
            height: 40px;
            animation: scaleLogo 1s ease-out;
        }

        @keyframes scaleLogo {
            0% { transform: scale(0.8); opacity: 0; }
            100% { transform: scale(1); opacity: 1; }
        }

        .logo-text {
            color: var(--white);
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
        }

        .logo-text span { color: var(--gold); }

        nav ul {
            display: flex;
            gap: 30px;
        }

        nav a {
            color: var(--silver);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--gold);
            bottom: -5px;
            left: 0;
            transition: var(--transition);
        }

        nav a:hover::after { width: 100%; }

        .auth-buttons button {
            padding: 10px 24px;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .btn-login {
            background: transparent;
            color: var(--white);
            border: 1px solid rgba(255,255,255,0.3);
            margin-right: 10px;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--gold), #e0b865);
            color: var(--navy);
            border: none;
        }

        .btn-signup:hover {
            box-shadow: 0 0 15px rgba(210, 167, 83, 0.6);
            transform: translateY(-2px);
        }

        /* --- HERO SECTION --- */
        .hero {
            min-height: 100vh;
            background: radial-gradient(circle at top right, #16254a, #0E1A38);
            display: flex;
            align-items: center;
            padding: 100px 5%;
            position: relative;
            overflow: hidden;
        }

        /* Abstract Shapes */
        .shape {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            z-index: 1;
        }
        .shape-1 { width: 400px; height: 400px; background: rgba(210, 167, 83, 0.1); top: -50px; right: -50px; }
        .shape-2 { width: 300px; height: 300px; background: rgba(255, 255, 255, 0.05); bottom: 50px; left: -50px; }

        .hero-content {
            flex: 1;
            z-index: 2;
            padding-right: 50px;
        }

        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            color: var(--white);
            margin-bottom: 20px;
        }

        .hero h1 span { color: var(--gold); }

        .hero p {
            color: #aab2c5;
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 500px;
            line-height: 1.6;
        }

        .hero-visual {
            flex: 1;
            z-index: 2;
            position: relative;
        }

        .dashboard-mockup {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.5);
            border: 1px solid rgba(255,255,255,0.1);
            transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
            transition: transform 0.5s ease;
            background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?q=80&w=1000&auto=format&fit=crop') no-repeat center center/cover;
            height: 400px;
        }

        .dashboard-mockup:hover {
            transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        }

        /* --- FEATURES SECTION --- */
        .features {
            padding: 100px 5%;
            background: var(--silver);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            border-bottom: 3px solid var(--gold);
        }

        .feature-icon {
            font-size: 2rem;
            color: var(--gold);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }

        .feature-card p {
            color: var(--text-grey);
            line-height: 1.6;
            font-size: 0.95rem;
        }

        /* --- SECURITY SECTION --- */
        .security {
            background: var(--navy);
            color: var(--white);
            padding: 100px 5%;
            display: flex;
            align-items: center;
            gap: 50px;
            position: relative;
        }

        .security-text { flex: 1; }
        
        .security-text h2 { color: var(--white); font-size: 2.5rem; margin-bottom: 20px; }
        .security-text p { color: #cfd4e0; margin-bottom: 30px; font-size: 1.1rem; }
        
        .security-list li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        
        .security-list i { color: var(--gold); }

        .security-visual {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .shield-container {
            width: 300px;
            height: 350px;
            position: relative;
        }
        
        /* Using Font Awesome as a large visual element */
        .big-shield {
            font-size: 15rem;
            background: linear-gradient(to bottom, var(--gold), #8a6d3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0 0 20px rgba(210, 167, 83, 0.3));
        }

        /* --- STATS SECTION --- */
        .stats {
            padding: 60px 5%;
            background: var(--white);
            display: flex;
            justify-content: space-around;
            text-align: center;
            border-bottom: 1px solid #eee;
        }

        .stat-item h3 {
            font-size: 3rem;
            color: var(--navy);
            margin-bottom: 5px;
        }
        
        .stat-item p {
            color: var(--gold);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9rem;
        }

        /* --- PRICING --- */
        .pricing {
            padding: 100px 5%;
            background: var(--silver);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .price-card {
            background: var(--white);
            padding: 50px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            position: relative;
            transition: var(--transition);
        }

        .price-card.featured {
            transform: scale(1.05);
            border: 2px solid var(--gold);
            box-shadow: 0 20px 40px rgba(14, 26, 56, 0.15);
            z-index: 2;
        }

        .price-card h3 { font-size: 1.5rem; margin-bottom: 20px; }
        .price-card .price { font-size: 2.5rem; color: var(--navy); font-weight: 700; margin-bottom: 30px; display: block; }
        .price-card .price span { font-size: 1rem; color: var(--text-grey); font-weight: 400; }
        
        .price-features { margin-bottom: 30px; text-align: left; }
        .price-features li { margin-bottom: 15px; color: var(--text-grey); }
        .price-features i { color: var(--gold); margin-right: 10px; }

        .btn-price {
            display: inline-block;
            padding: 12px 30px;
            border: 1px solid var(--navy);
            color: var(--navy);
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
            width: 100%;
        }

        .price-card.featured .btn-price {
            background: var(--navy);
            color: var(--white);
        }

        .price-card.featured .btn-price:hover {
            background: var(--gold);
            border-color: var(--gold);
        }

        /* --- TESTIMONIALS --- */
        .testimonials {
            padding: 100px 5%;
            background: var(--white);
            text-align: center;
        }
        
        .testimonial-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            height: 250px; 
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .testimonial-card {
            opacity: 0;
            position: absolute;
            transition: opacity 0.8s ease;
            pointer-events: none;
        }

        .testimonial-card.active {
            opacity: 1;
            pointer-events: all;
        }

        .client-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin-bottom: 20px;
            border: 3px solid var(--gold);
        }

        .quote {
            font-size: 1.2rem;
            font-style: italic;
            color: var(--navy);
            margin-bottom: 20px;
            font-family: 'Inter', sans-serif;
        }

        .client-name { font-weight: 700; color: var(--navy); }
        .client-role { color: var(--text-grey); font-size: 0.9rem; }

        /* --- CTA --- */
        .cta {
            background: linear-gradient(135deg, var(--navy), #1d3461);
            padding: 80px 5%;
            text-align: center;
            color: var(--white);
        }

        .cta h2 { color: var(--white); margin-bottom: 15px; }
        .cta button {
            margin-top: 25px;
            padding: 15px 40px;
            font-size: 1.1rem;
            border-radius: 50px;
            background: var(--gold);
            border: none;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .cta button:hover {
            box-shadow: 0 0 20px rgba(210, 167, 83, 0.8);
            transform: scale(1.05);
        }

        /* --- FOOTER --- */
        footer {
            background: #0a1226;
            color: #8892b0;
            padding: 80px 5% 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            border-bottom: 1px solid #1f2d4d;
            padding-bottom: 50px;
            margin-bottom: 30px;
        }

        .footer-col h4 { color: var(--white); margin-bottom: 25px; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul li a:hover { color: var(--gold); transition: 0.3s; }

        .newsletter-form { display: flex; }
        .newsletter-form input {
            padding: 10px;
            border: none;
            border-radius: 4px 0 0 4px;
            width: 100%;
        }
        .newsletter-form button {
            padding: 10px 15px;
            border: none;
            background: var(--gold);
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
        }

        .popup {
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.5);
  z-index:999;
}

.popup-content {
  background:#fff;
  width:50%;
  margin:12% auto;
  padding:20px;
  border-radius:10px;
  box-shadow:0 0 20px rgba(0,0,0,0.2);
  animation:fadeIn 0.2s ease-in-out;
}

.close {
  float:right;
  cursor:pointer;
  font-size:24px;
}

.popup-content {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 10px;
}


        /* --- MODAL SYSTEM (LOGIN/SIGNUP) --- */
        .modal-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(14, 26, 56, 0.8);
            backdrop-filter: blur(5px);
            z-index: 2000;
            display: none;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .modal-overlay.active { display: flex; opacity: 1; }

        .auth-box {
            background: var(--white);
            padding: 40px;
            border-radius: 8px;
            width: 100%;
            max-width: 400px;
            position: relative;
            box-shadow: 0 20px 50px rgba(0,0,0,0.3);
            border-top: 5px solid var(--gold);
        }

        .close-modal {
            position: absolute;
            top: 15px; right: 20px;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-grey);
        }

        .auth-box h2 { text-align: center; margin-bottom: 25px; font-size: 1.8rem; }

        .input-group { margin-bottom: 20px; }
        .input-group label { display: block; font-size: 0.9rem; margin-bottom: 8px; font-weight: 600; }
        .input-group input {
            width: 100%; padding: 12px;
            border: 1px solid #ddd; border-radius: 4px;
            font-family: 'Inter', sans-serif;
        }
        .input-group input:focus { outline: 1px solid var(--navy); }

        .auth-action-btn {
            width: 100%; padding: 12px;
            background: var(--navy); color: var(--white);
            border: none; border-radius: 4px;
            font-weight: 600; cursor: pointer;
            font-size: 1rem; margin-bottom: 15px;
        }

        .switch-auth { text-align: center; font-size: 0.9rem; }
        .switch-auth a { color: var(--gold); font-weight: 600; cursor: pointer; }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .hero { flex-direction: column; padding-top: 120px; text-align: center; }
            .hero-content { padding-right: 0; margin-bottom: 50px; }
            .security { flex-direction: column-reverse; }
            .footer-content { grid-template-columns: 1fr; }
            nav ul { display: none; } /* Simplified for this demo */
            .pricing-card.featured { transform: scale(1); }
            .stats { flex-direction: column; gap: 30px; }
        }

        header {
    width: 100%;
    padding: 15px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #000;
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo svg {
    width: 45px;
    height: 45px;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
}

.logo-text span {
    color: #D2A753;
}

/* Nav */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
}

/* Buttons */
.auth-buttons button {
    background: transparent;
    border: 2px solid #D2A753;
    color: #D2A753;
    padding: 7px 15px;
    margin-left: 10px;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 600;
}

.btn-signup {
    background: #D2A753;
    color: #000;
}

/* Mobile Toggle Button */
.menu-toggle {
    font-size: 30px;
    cursor: pointer;
    display: none;
}

/* ----------- Responsive Mode ----------- */
@media (max-width: 900px) {

    nav {
        position: fixed;
        top: 0;
        right: -250px;
        width: 220px;
        height: 100%;
        background: #111;
        transition: 0.3s;
        padding-top: 70px;
        z-index: 200;
    }

    nav ul {
        flex-direction: column;
        gap: 20px;
        padding-left: 20px;
    }

    .menu-toggle {
        display: block;
    }

    /* Hide desktop buttons */
    .auth-buttons {
        display: none;
    }
}

/* When active */
nav.open {
    right: 0;
}
