:root {
    /* Colors */
    --color-primary: #2e8b57;
    --color-secondary: #8fbc8f;
    --color-background: #f8fdf8;
    --color-footer-bg: #2e4a3b;
    --color-button: #3cb371;
    --color-text-dark: #2e4a3b; /* Derived from footer background for contrast */
    --color-text-light: #ffffff;
    --color-text-muted: #6b7280; /* For disclaimers */

    /* Section Backgrounds - Derived from preferences */
    --section-bg-1: #f8fdf8;
    --section-bg-2: #e6f0e6;
    --section-bg-3: #d9e6d9;
    --section-bg-4: #cee0ce;

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

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

    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;

    /* Shadows */
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-button-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;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.7; /* Generous line-height for readability */
    color: var(--color-text-dark);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.02em; /* Slight tightening for modern feel */
}

h1 {
    font-size: 3rem; /* 48px */
    font-weight: 700;
}

h2 {
    font-size: 2.5rem; /* 40px */
    font-weight: 600;
}

h3 {
    font-size: 2rem; /* 32px */
    font-weight: 600;
}

h4 {
    font-size: 1.5rem; /* 24px */
    font-weight: 500;
}

h5 {
    font-size: 1.25rem; /* 20px */
    font-weight: 500;
}

h6 {
    font-size: 1rem; /* 16px */
    font-weight: 500;
}

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

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

a:hover {
    color: var(--color-button); /* A subtle shift to the button color on hover */
    text-decoration: underline;
}

/* Header Specific Styles */
.header {
    background-color: color-mix(in srgb, var(--color-background) 95%, var(--color-primary) 5%); /* Slightly different background */
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

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

.header-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--color-button);
    bottom: -5px;
    left: 0;
    transition: width var(--transition-speed) var(--transition-ease);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-button);
    color: var(--color-text-light);
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease),
                transform var(--transition-speed) var(--transition-ease);
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    background-color: color-mix(in srgb, var(--color-button) 90%, var(--color-primary) 10%); /* Subtle darker hover */
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-2px); /* Slight lift */
}

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

.btn-secondary:hover {
    background-color: color-mix(in srgb, var(--color-secondary) 90%, var(--color-primary) 10%);
}

/* Cards / Containers */
.card {
    background-color: var(--color-text-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

/* 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);
}

/* Hero Section (example) */
.hero-section {
    padding: 6rem var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 60vh;
    background-image: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url('path/to/your/health-image.jpg'); /* Placeholder image */
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--section-bg-2) 100%);
    opacity: 0.9; /* Overlay for subtle effect */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

/* Image Styles */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-sm);
    object-fit: cover; /* Ensures images maintain aspect ratio */
}

/* Forms (basic example) */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-sm);
    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="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2); /* Focus ring */
}

/* Footer Specific Styles */
.footer {
    background: linear-gradient(to bottom, var(--color-primary), var(--color-footer-bg)); /* Vertical gradient */
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    font-size: 0.9rem;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    text-align: left;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: var(--spacing-md);
}

.footer-column h4 {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
}

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

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

.footer-column a {
    color: var(--color-text-light);
    opacity: 0.8;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.footer-column a:hover {
    opacity: 1;
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center; /* Center social icons within their column */
    margin-top: var(--spacing-md);
}

.social-icon {
    color: var(--color-text-light);
    font-size: 1.5rem;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.social-icon:hover {
    transform: translateY(-3px);
}

.footer-disclaimer {
    margin-top: var(--spacing-xl);
    font-size: 0.8rem;
    color: var(--color-text-light);
    opacity: 0.7;
    font-style: italic;
    text-align: center;
    line-height: 1.5;
}

/* Utility classes (can be combined with Tailwind utilities) */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

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

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

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

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.75rem;
    }

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

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

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-column {
        min-width: unset;
        width: 100%;
        margin-bottom: var(--spacing-lg);
    }

    .social-icons {
        justify-content: center;
    }

    .hero-section {
        padding: 4rem var(--spacing-md);
    }
}

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

    h2 {
        font-size: 1.75rem;
    }

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