:root {
    /* Colors */
    --color-primary: #10B981;
    --color-secondary: #D1FAE5;
    --color-background: #F0FDF4;
    --color-footer-bg: #0D7F60;
    --color-button: #059669;
    --color-text-dark: #1F2937;
    --color-text-light: #F9FAFB;
    --color-border-light: #E5E7EB;
    --color-focus-border: #059669;

    /* Section Backgrounds */
    --section-bg-1: #F9FAFB;
    --section-bg-2: #ECFDF5;
    --section-bg-3: #D1FAE5;
    --section-bg-4: #A7F3D0;
    --section-bg-5: #6EE7B7;

    /* Typography */
    --font-family-base: 'Inter', sans-serif;
    --font-size-base: 1rem; /* 16px */
    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 12px rgba(0, 0, 0, 0.18);

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

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

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

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.75rem; }
h5 { font-size: 1.5rem; }
h6 { font-size: 1.25rem; }

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

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

a:hover {
    color: var(--color-button);
}

/* Utility Classes for Spacing */
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

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

/* Header Style */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9); /* Subtle transparency */
    backdrop-filter: blur(5px);
    z-index: 1000;
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.header .logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.05em;
}

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

.header nav a {
    position: relative;
    color: var(--color-text-dark);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-speed) var(--transition-ease);
}

.header nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-button));
    transition: width var(--transition-speed) var(--transition-ease);
}

.header nav a:hover {
    color: var(--color-button);
}

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

/* Button Style */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem; /* py-3 px-6 */
    font-weight: 700;
    color: var(--color-text-light);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    background: linear-gradient(to right, var(--color-primary), var(--color-button));
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) var(--transition-ease);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    background: linear-gradient(to right, var(--color-button), var(--color-primary));
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Card Style */
.card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-speed) var(--transition-ease);
    border: 1px solid transparent; /* For subtle border on hover */
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--color-secondary); /* Subtle green border on hover */
}

.card-title {
    color: var(--color-text-dark);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.card-item-highlight {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-sm);
    margin-left: -var(--spacing-sm);
}

/* Input Field Style */
.input-field {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    background-color: white;
    transition: all var(--transition-speed) var(--transition-ease);
}

.input-field::placeholder {
    color: #9CA3AF; /* Light grey */
}

.input-field:focus {
    outline: none;
    border-color: var(--color-focus-border);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06), 0 0 0 3px rgba(5, 150, 105, 0.2); /* Thin green border & slight inner shadow */
}

textarea.input-field {
    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 Style */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
    overflow: hidden; /* To contain the texture */
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect x="0" y="0" width="100" height="100" fill="%230D7F60"/><g opacity="0.1"><circle cx="50" cy="50" r="40" fill="%23FFFFFF"/><circle cx="20" cy="80" r="15" fill="%23FFFFFF"/><circle cx="80" cy="20" r="25" fill="%23FFFFFF"/></g></svg>'); /* Subtle geometric texture */
    background-size: 100px 100px;
    opacity: 0.05;
    pointer-events: none;
    z-index: 1;
}

.footer .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    position: relative; /* Above the texture */
    z-index: 2;
}

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

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

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

.footer ul a {
    color: var(--color-text-light);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
    display: inline-block;
}

.footer ul a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-speed) var(--transition-ease);
}

.footer ul a:hover {
    color: var(--color-secondary);
    transform: translateX(5px);
}

.footer ul a:hover::after {
    width: 100%;
}

.footer .contact-info p {
    margin-bottom: var(--spacing-sm);
}

.footer .social-media a {
    display: inline-block;
    color: var(--color-text-light);
    font-size: 1.5rem;
    margin-right: var(--spacing-md);
    transition: color var(--transition-speed) var(--transition-ease), transform var(--transition-speed) var(--transition-ease);
}

.footer .social-media a:hover {
    color: var(--color-secondary);
    transform: translateY(-3px);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    .header nav ul {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    .header .logo {
        margin-bottom: var(--spacing-sm);
    }
    .header nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    .header nav a {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .footer .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    .footer ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer .social-media {
        margin-top: var(--spacing-md);
    }
    .footer .social-media a {
        margin: 0 var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    .btn {
        padding: 0.6rem 1.2rem;
        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;
    }
}