:root {
    /* Colors */
    --color-primary: #1E3A24;
    --color-secondary: #A8DADC;
    --color-background: #F4F6EB;
    --color-footer-bg: #121C1C;
    --color-button: #3D8269;
    --color-text-primary: #1E3A24;
    --color-text-secondary: #3D8269;
    --color-accent: #3D8269; /* Using button color as accent */

    /* Section Backgrounds */
    --section-bg-1: #E0E2D1;
    --section-bg-2: #D3DDDC;
    --section-bg-3: #BAC8BB;
    --section-bg-4: #CAD2C5;

    /* Fonts */
    --font-heading: 'Roboto Flex', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;

    /* Shadows */
    --shadow-soft: 0 4px 10px rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.05em;
}

h2 {
    font-size: 2.75rem;
    letter-spacing: -0.04em;
}

h3 {
    font-size: 2.25rem;
    letter-spacing: -0.03em;
}

h4 {
    font-size: 1.75rem;
}

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

a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease, transform 0.3s ease;
}

a:hover {
    color: var(--color-primary);
    transform: translateY(-1px);
}

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

/* Layout Helpers */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* 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);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-button);
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1); /* Slight inner shadow */
}

.btn:hover {
    background-color: color-mix(in srgb, var(--color-button) 85%, black);
    transform: scale(1.02) translateY(-2px); /* Scaling and slight lift */
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.15), 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: scale(0.98);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Cards */
.card {
    background-color: var(--color-background); /* Default card bg */
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}

.card-glass {
    background: rgba(255, 255, 255, 0.3); /* Lighter, more transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-glass);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.8); /* Slightly transparent for minimalist feel */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

.header .logo {
    height: 40px; /* Small logo */
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.header .logo:hover {
    opacity: 1;
}

.header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-lg);
}

.header nav a {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-primary);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.header nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent); /* Subtle glow */
    transition: width 0.3s ease;
}

.header nav a:hover::after,
.header nav a.active::after {
    width: 100%;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--color-footer-bg) 0%, color-mix(in srgb, var(--color-footer-bg) 80%, black) 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0;
    font-size: 0.9rem;
}

.footer h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--spacing-xs);
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

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

.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer ul li {
    margin-bottom: var(--spacing-xs);
}

.footer .social-links a {
    display: inline-block;
    margin-right: var(--spacing-sm);
    font-size: 1.5rem;
}

.footer .copyright {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: rgba(255, 255, 255, 0.8);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(61, 130, 105, 0.2);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Utility Classes (if not using Tailwind directly for these) */
.text-center {
    text-align: center;
}

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    h3 {
        font-size: 1.8rem;
    }

    .header nav ul {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .container {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .header nav ul {
        flex-direction: column;
        align-items: center;
        margin-top: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr; /* Stack columns on small screens */
    }

    .footer .grid-cols-3 {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer .social-links {
        margin-top: var(--spacing-md);
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
        padding: var(--spacing-md) 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;
    }
}