/* --- CSS Variables & Global Styles --- */
:root {
    --primary-blue: #007BFF;
    --accent-gold: #FFD700;
    --background-dark: #121212;
    --primary-dark: #1E1E1E;
    --secondary-dark: #2a2a2a;
    --text-primary: #E4E6EB;
    --text-secondary: #b0b3b8;
    --border-color-dark: #3A3B3C;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    --hover-effect: 0.3s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    /* Animated background */
    background: linear-gradient(135deg, #1e1e1e, #141414, #1e1e1e);
    background-size: 400% 400%;
    animation: gradient-flow 15s ease infinite;
}

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header & Navigation --- */
.site-header {
    background: var(--primary-dark);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-gold);
    text-decoration: none;
    letter-spacing: 1px;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color var(--hover-effect), border-bottom var(--hover-effect);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-blue);
}

.nav-link.cta {
    background-color: var(--primary-blue);
    color: var(--background-dark);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    transition: background-color var(--hover-effect), transform var(--hover-effect);
}

.nav-link.cta:hover {
    background-color: var(--accent-gold);
    transform: translateY(-2px);
    border-bottom: none;
}

.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 10px;
    transition: all 0.3s linear;
}

/* --- Main Content Sections --- */
main {
    padding-top: 0; /* Remove top padding since header is fixed */
}

.content-section {
    padding: 60px 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Home/Hero Section Specifics --- */
#home {
    background: url('https://placehold.co/1920x800/1e1e1e/86878b?text=Encrypted+Communication+Hero') no-repeat center center/cover;
    position: relative;
    padding: 100px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 40px;
    background: rgba(30, 30, 30, 0.8); /* Semi-transparent overlay */
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.5); /* Blue glow effect */
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 15px;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.cta-btn {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--background-dark);
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color var(--hover-effect), transform var(--hover-effect);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.4);
}

.cta-btn:hover {
    background-color: var(--accent-gold);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(255, 215, 0, 0.5);
}


/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    width: 100%;
    margin-top: 20px;
}

.feature-card {
    background: var(--secondary-dark);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color-dark);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: transform var(--hover-effect), border-color var(--hover-effect);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* --- New: Content Block for Text/Image Layout --- */
.content-block {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 40px 0;
    padding: 20px 0;
    border-radius: 10px;
    /* Optional: subtle divider or background change */
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.content-block-reverse {
    flex-direction: row-reverse;
}

.text-content {
    flex: 1;
}

.image-container {
    flex: 1;
    min-width: 300px;
}

.image-container img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 123, 255, 0.3); /* Attractive shadow */
    transition: transform 0.5s ease;
}

.image-container img:hover {
    transform: scale(1.02);
}

/* --- Contact Form Section --- */
.contact-form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 40px;
    background: var(--primary-dark);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
    width: 100%;
}

#contact-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-blue);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color-dark);
    background-color: var(--secondary-dark);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.5);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    background-color: var(--accent-gold);
    color: var(--background-dark);
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color var(--hover-effect), transform var(--hover-effect);
    box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
}

.submit-btn:hover {
    background-color: #e0b400; /* Darker gold */
    transform: translateY(-2px);
}

.alternative-contacts {
    padding-left: 20px;
    border-left: 1px solid var(--border-color-dark);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-start;
    padding-left: 20px;
    border-left: 1px solid var(--border-color-dark);
}

.social-links a {
    color: var(--text-primary);
    font-size: 1.2rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color var(--hover-effect);
}

.social-links a i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.social-links a:hover {
    color: var(--accent-gold);
}


/* --- Footer --- */
.site-footer {
    background: var(--secondary-dark);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--text-secondary);
}

.site-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-footer a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--hover-effect);
}

.site-footer a:hover {
    color: var(--accent-gold);
}


/* --- Cookie Modal --- */
.cookie-modal-backdrop {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    z-index: 2000;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cookie-modal-backdrop.show {
    visibility: visible;
    opacity: 1;
}

.cookie-popup {
    background-color: var(--primary-dark);
    color: var(--text-primary);
    padding: 30px;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
    max-width: 500px;
    width: 100%;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.4s ease-out;
}

.cookie-modal-backdrop.show .cookie-popup {
    transform: translateY(0);
}

.cookie-popup h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.cookie-popup p {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cookie-popup a {
    color: var(--accent-gold);
    text-decoration: underline;
}

.btn-group {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cookie-popup-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s ease;
}

.accept-btn {
    background-color: var(--primary-blue);
    color: var(--background-dark);
}

.accept-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.decline-btn {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.decline-btn:hover {
    background-color: rgba(0, 123, 255, 0.1);
    transform: translateY(-2px);
}

/* --- Responsive Design --- */
@media (max-width: 900px) {
    .content-block {
        flex-direction: column;
        text-align: center;
    }

    .content-block-reverse {
        flex-direction: column; /* Stacks normally on mobile */
    }

    .image-container {
        order: -1; /* Puts image first */
        margin-bottom: 20px;
    }

    .contact-form-container {
        grid-template-columns: 1fr;
    }
    
    .social-links {
        border-left: none;
        border-top: 1px solid var(--border-color-dark);
        padding-left: 0;
        padding-top: 20px;
        align-items: center;
    }

    .alternative-contacts {
        border-left: none;
        padding-left: 0;
    }
}

@media (max-width: 768px) {
    .main-nav {
        flex-wrap: wrap;
        padding: 1rem 20px;
    }
    
    .logo {
        flex-grow: 1;
    }
    
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: center;
        background: var(--primary-dark);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-in-out;
    }
    
    .nav-links.active {
        display: flex;
        max-height: 500px; /* Adjust as needed */
        padding: 1rem 0;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .hamburger-menu {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .content-section {
        padding: 40px 0;
        min-height: auto;
    }
}
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .cta-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .feature-card h3 {
        font-size: 1.2rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }
}
/* --- End of CSS --- */