:root {
    /* Colors */
    --primary-color: #28A745;
    --secondary-color: #20C997;
    --background-color: #F8F9FA;
    --footer-bg-color: #343A40;
    --button-color: #007BFF;
    --text-color: #333333;
    --heading-color: #222222;
    --accent-color: #007BFF; /* Using button color as a subtle accent */

    /* Section Backgrounds (Health & Nature themed) */
    --section-bg-1: #E6F7F0;
    --section-bg-2: #F0F8F4;
    --section-bg-3: #E0F2F1;
    --section-bg-4: #F5F5DC; /* Slightly warmer, natural tone */
    --section-bg-5: #D4EDDA;

    /* Typography */
    --font-family-base: 'Inter', sans-serif;
    --font-family-heading: 'Poppins', sans-serif;
    --font-size-base: 1.125rem; /* 18px */
    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-unit: 1rem;
    --padding-md: calc(var(--spacing-unit) * 1.5); /* 24px */
    --padding-lg: calc(var(--spacing-unit) * 3);   /* 48px */
    --margin-md: calc(var(--spacing-unit) * 2);    /* 32px */
    --margin-lg: calc(var(--spacing-unit) * 4);    /* 64px */

    /* Borders & Shadows */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-speed: 0.35s;
    --transition-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--heading-color);
    line-height: var(--line-height-heading);
    margin-top: var(--margin-lg);
    margin-bottom: var(--padding-md);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; } /* ~56px */
h2 { font-size: 2.75rem; } /* ~44px */
h3 { font-size: 2.25rem; } /* ~36px */
h4 { font-size: 1.75rem; } /* ~28px */
h5 { font-size: 1.5rem; }  /* ~24px */
h6 { font-size: 1.25rem; } /* ~20px */

p {
    margin-bottom: var(--padding-md);
    color: #555;
}

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

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

ul, ol {
    margin-left: var(--padding-md);
    margin-bottom: var(--padding-md);
    color: #555;
}

li {
    margin-bottom: 0.5rem;
}

/* Utility Classes for Layout and Spacing (complementing Tailwind) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--padding-md);
    padding-right: var(--padding-md);
}

.section-padding {
    padding-top: var(--margin-lg);
    padding-bottom: var(--margin-lg);
}

/* Custom Components */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-speed) var(--transition-ease);
    box-shadow: var(--shadow-subtle);
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--button-color);
    color: white;
    border-color: var(--button-color);
}

.btn-primary:hover {
    background-color: darken(var(--button-color), 10%);
    border-color: darken(var(--button-color), 10%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Cards */
.card {
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-subtle);
    padding: var(--padding-lg);
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    overflow: hidden;
}

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

/* Forms */
.form-group {
    margin-bottom: var(--padding-md);
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem var(--padding-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-speed) ease-in-out,
                box-shadow var(--transition-speed) ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color), 0.25);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* 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 */
footer {
    background-color: var(--footer-bg-color);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--margin-lg) 0;
    font-size: 0.95rem;
    text-align: center;
}

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

footer a:hover {
    color: white;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.25rem; }
    h3 { font-size: 1.8rem; }
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    body {
        font-size: 1rem;
    }
    .section-padding {
        padding-top: var(--margin-md);
        padding-bottom: var(--margin-md);
    }
    .container {
        padding-left: var(--spacing-unit);
        padding-right: var(--spacing-unit);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.3rem; }
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
}

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

.fade-in-on-load {
    animation: fadeIn 1s var(--transition-ease) forwards;
    opacity: 0; /* Hidden by default */
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}


/* 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;
    }
}