:root {
    /* Colors */
    --color-primary: #2e7d32;
    --color-secondary: #a5d6a7;
    --color-background: #f8fdf8;
    --color-footer-bg: #388e3c;
    --color-button: #4caf50;
    --color-text-dark: #212121;
    --color-text-light: #fdfdfd;
    --color-accent-hover: #388e3c; /* Darker shade for hover */

    /* Section Backgrounds */
    --section-bg-1: #e8f5e9;
    --section-bg-2: #ffffff;
    --section-bg-3: #f1f8e9;
    --section-bg-4: #edf7ee;
    --section-bg-5: #dce7d1;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-subtle: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.12);

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

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px; /* Ensure base font size for rem units */
}

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

*, *::before, *::after {
    box-sizing: border-box;
}

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

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);
    font-size: 1.1rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

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

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

/* Custom Header Styles (Glassmorphism) */
.header-glassmorphism {
    background-color: rgba(255, 255, 255, 0.6); /* Slightly transparent background */
    backdrop-filter: blur(10px); /* Glassmorphism blur effect */
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    box-shadow: var(--shadow-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-glassmorphism .logo {
    height: 60px; /* Adjust as needed */
    flex-shrink: 0;
}

.header-glassmorphism nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-glassmorphism nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: var(--spacing-xl); /* Increased gap for centered links */
}

.header-glassmorphism nav ul li a {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-primary);
    font-size: 1.1rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-speed) var(--transition-ease);
}

.header-glassmorphism nav ul li a:hover,
.header-glassmorphism nav ul li a.active {
    background-color: var(--color-secondary);
    color: var(--color-text-dark);
    text-decoration: none;
    box-shadow: var(--shadow-subtle);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-full); /* Fully rounded corners */
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-ease);
    box-shadow: var(--shadow-soft); /* Soft shadow */
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-button);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover); /* Darker tone on hover */
    box-shadow: var(--shadow-hover); /* More pronounced shadow on hover */
    transform: translateY(-2px); /* Slight lift effect */
}

/* Card Styles */
.card {
    background-color: var(--section-bg-2); /* White background for cards */
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-xl);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.card:hover {
    transform: translateY(-5px); /* Lift card on hover */
    box-shadow: var(--shadow-hover);
}

/* 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);
}

/* Utility Classes for Spacing (could complement Tailwind) */
.py-section {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
}

.mb-section {
    margin-bottom: var(--spacing-xxl);
}

/* Footer Styles */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
}

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

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

/* Form Elements (Example) */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    transition: border-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.2); /* Focus ring effect */
}

/* Biofilic elements */
.biofilic-element {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    /* Could be used for images or content blocks */
}

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

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .header-glassmorphism {
        flex-direction: column;
        padding: var(--spacing-sm);
        text-align: center;
    }

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

    .header-glassmorphism .logo {
        margin-bottom: var(--spacing-sm);
    }

    .btn {
        width: 100%;
        margin-top: var(--spacing-sm);
    }

    .py-section {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }
}

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

    h2 {
        font-size: 1.8rem;
    }

    p {
        font-size: 1rem;
    }
}

/* Subtle Animation for elements appearing on scroll (example) */
@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0; /* Hidden by default */
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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


/* 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;
    }
}