:root {
    /* Colors */
    --primary-color: #0C4A6E;
    --secondary-color: #7DD3FC;
    --background-color: #060A17;
    --footer-bg-color: #020712;
    --button-color: #7DD3FC;
    --card-border-color: rgba(255, 255, 255, 0.1);
    --text-color-light: #E0E7FF; /* Light blue-ish white for general text */
    --text-color-dark: #000; /* For contrast on light elements */
    --neon-accent: #8B5CF6; /* Example neon purple for accents */

    /* Section Backgrounds */
    --section-bg-1: #0F1A2A;
    --section-bg-2: #172A42;
    --section-bg-3: #122033;
    --section-bg-4: #0A101C;
    --section-bg-5: #1A324E;

    /* Typography */
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Lato', sans-serif;
    --base-font-size: 1rem; /* 16px */
    --line-height-body: 1.75;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;

    /* Shadows */
    --soft-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --button-glow-shadow: 0 0 15px rgba(125, 211, 252, 0.6);

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-easing: ease-in-out;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--base-font-size);
    line-height: var(--line-height-body);
    color: var(--text-color-light);
    background-color: var(--background-color);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll from animations */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--text-color-light);
    line-height: var(--line-height-heading);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em; /* Subtle tightening for modern feel */
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

h4 {
    font-size: 1.4rem;
    font-weight: 500;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

a:hover {
    color: var(--neon-accent);
    text-decoration: underline;
}

/* Glassmorphism Effect Base */
.glassmorphic {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--card-border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--glass-shadow);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(6, 10, 23, 0.8) 0%, rgba(6, 10, 23, 0.4) 100%); /* Dark blue gradient */
    backdrop-filter: blur(12px); /* Frosted effect */
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-nav a {
    color: var(--text-color-light);
    margin-left: var(--spacing-lg);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.header-nav a:hover,
.header-nav a.active {
    color: var(--secondary-color);
    text-decoration: none;
}

.header-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--neon-accent); /* Neon accent for active link */
    box-shadow: 0 0 8px var(--neon-accent);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-family: var(--heading-font);
    font-weight: 600;
    font-size: var(--base-font-size);
    color: #FFFFFF;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-speed) var(--transition-easing);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), var(--soft-shadow); /* Inner shadow for depth */
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), var(--button-glow-shadow), 0 6px 12px rgba(0, 0, 0, 0.2);
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: translateY(0);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Card Styles (Glassmorphism) */
.card {
    position: relative;
    padding: var(--spacing-lg);
    margin: var(--spacing-md);
    background: rgba(255, 255, 255, 0.08); /* Slightly lighter for cards than general glassmorphic */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-speed) var(--transition-easing), box-shadow var(--transition-speed) var(--transition-easing);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 48px 0 rgba(31, 38, 135, 0.45);
}

/* Section Backgrounds */
.section-bg-1 {
    background-color: var(--section-bg-1);
}

.section-bg-2 {
    background-color: var(--section-bg-2);
}

.section-bg-3 {
    background-color: var(--section-bg-3);
}

.section-bg-4 {
    background-color: var(--section-bg-4);
}

.section-bg-5 {
    background-color: var(--section-bg-5);
}

/* Footer Styles */
.footer {
    background-color: var(--footer-bg-color);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer .social-icons {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.footer .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--secondary-color);
    font-size: 1.2rem;
    transition: all var(--transition-speed) var(--transition-easing);
    box-shadow: var(--soft-shadow);
}

.footer .social-icons a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--neon-accent);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 0 10px var(--neon-accent), var(--glass-shadow);
}

.footer .legal-links a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 var(--spacing-sm);
    font-size: 0.9rem;
}

.footer .legal-links a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.footer p {
    font-size: 0.85rem;
    margin-top: var(--spacing-lg);
}

/* Utility Classes (to complement Tailwind, if used) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

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

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--transition-easing), transform 0.6s var(--transition-easing);
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .header {
        padding: var(--spacing-sm);
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-nav {
        margin-top: var(--spacing-sm);
    }

    .header-nav a {
        margin: 0 var(--spacing-sm);
    }

    .footer {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .footer .legal-links {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }

    .card {
        padding: var(--spacing-md);
    }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}