:root {
    /* Colors */
    --primary-color: #00C9A7; /* Vibrant Green */
    --secondary-color: #845EC2; /* Deep Purple */
    --background-color: #1A1A2E; /* Dark Blue-Purple */
    --footer-bg-color: #0F0F1A; /* Even Darker Blue-Purple */
    --button-color: #00C9A7; /* Vibrant Green */
    --text-color-light: #E0E0E0; /* Light Grey for general text */
    --text-color-muted: #A0A0A0; /* Muted Grey for footer/secondary text */
    --card-bg-from: rgba(43, 43, 74, 0.7); /* Translucent Dark Blue-Purple for cards */
    --card-bg-to: rgba(26, 26, 46, 0.7); /* Translucent Darker Blue-Purple for cards */
    --border-color-light: rgba(255, 255, 255, 0.1); /* Light translucent border */
    --section-bg-1: #1A1A2E;
    --section-bg-2: #2B2B4A;
    --section-bg-3: #3A3A60;

    /* Typography */
    --font-family-primary: 'DM Sans', sans-serif;
    --font-size-base: 1.125rem; /* 18px */
    --line-height-base: 1.7;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem; /* For cards */
    --border-radius-full: 9999px; /* For buttons */

    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 25px 50px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 0 30px rgba(0, 201, 167, 0.3); /* Accent glow */
    --logo-filter: brightness(1.2) drop-shadow(0 0 5px var(--primary-color));

    /* Transitions */
    --transition-duration: 0.3s;
    --transition-timing-function: ease-in-out;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-primary);
    color: var(--text-color-light);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em; /* Subtle tightening for headings */
}

h1 {
    font-size: 3.5rem; /* 56px */
    font-weight: 700;
}

h2 {
    font-size: 2.75rem; /* 44px */
    font-weight: 700;
}

h3 {
    font-size: 2.25rem; /* 36px */
    font-weight: 600;
}

h4 {
    font-size: 1.75rem; /* 28px */
    font-weight: 600;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-duration) var(--transition-timing-function);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-full);
    padding: 0.75rem 2rem; /* px-8 py-3 equivalent */
    font-size: 1.125rem; /* text-lg */
    font-weight: 700; /* font-bold */
    letter-spacing: 0.05em; /* tracking-wide */
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-duration) var(--transition-timing-function);
    text-decoration: none;
    brightness: 110%;
}

.btn:hover {
    transform: translateY(-0.25rem) scale(1.05); /* hover:-translate-y-1 hover:scale-105 */
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5); /* Slightly stronger shadow on hover */
    filter: brightness(120%);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--primary-color);
    filter: brightness(120%);
}

/* Cards (Glassmorphism) */
.card {
    background: linear-gradient(to bottom right, var(--card-bg-from), var(--card-bg-to));
    backdrop-filter: blur(16px); /* backdrop-blur-lg */
    -webkit-backdrop-filter: blur(16px); /* For Safari */
    border-radius: var(--border-radius-lg); /* rounded-2xl */
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color-light);
    color: var(--text-color-light);
    padding: var(--spacing-lg); /* p-6 */
    transition: all var(--transition-duration) var(--transition-timing-function);
}

.card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: scale(1.02); /* hover:scale-[1.02] */
}

/* 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);
}

/* Header Specific Styles */
.site-header {
    background: linear-gradient(to right, #0F0F1A, #1A1A2E);
    color: var(--text-color-light);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header .logo {
    filter: var(--logo-filter);
}

.site-header .btn {
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-duration) var(--transition-timing-function);
    transform: translateY(0); /* Reset for header button */
}

.site-header .btn:hover {
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

/* Footer Specific Styles */
.site-footer {
    background: var(--footer-bg-color);
    color: var(--text-color-muted);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid #2B2B4A;
}

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

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

.site-footer .social-icon {
    color: var(--text-color-light);
    font-size: 1.5rem;
    transition: color var(--transition-duration) var(--transition-timing-function);
}

.site-footer .social-icon:hover {
    color: var(--primary-color);
}

/* Utility Classes (if not using Tailwind directly for these) */
.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;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.py-12 {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.py-24 {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    h2 {
        font-size: 2.25rem;
    }
    h3 {
        font-size: 1.75rem;
    }
    .btn {
        padding: 0.65rem 1.75rem;
        font-size: 1rem;
    }
    .card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 1rem;
    }
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.5rem;
    }
    .spacing-lg {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    .py-12 {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
    .py-24 {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    .btn {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
}


/* 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;
    }
}