:root {
    /* Colors */
    --color-primary: #6C9A8B;
    --color-secondary: #A2D8AE;
    --color-background: #F8F8F4;
    --color-footer-bg: #3E6C68;
    --color-button: #6C9A8B;
    --color-text-dark: #2C3E50;
    --color-text-light: #F8F8F4;
    --section-bg-1: #E8F1F2;
    --section-bg-2: #D3EBF1;
    --section-bg-3: #F1F0E8;
    --color-accent: #A2D8AE; /* Using secondary as accent for cohesion */

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-size-base: 1rem;
    --line-height-body: 1.7;

    /* 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 12px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 6px 20px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-body);
    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-heading);
    color: var(--color-text-dark);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 2rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 500; }
h5 { font-size: 1.25rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

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

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

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

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.05); /* Very light base for frosted effect */
    backdrop-filter: blur(10px); /* Frosted glass effect */
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: background-color 0.3s ease, border-bottom 0.3s ease;
}

.header-scrolled {
    background-color: rgba(255, 255, 255, 0.4); /* More opaque when scrolled */
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-soft);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

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

.nav-menu a {
    color: var(--color-text-dark);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

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

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    color: var(--color-text-dark);
    font-size: 1.2rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-icons a:hover {
    color: var(--color-primary);
    transform: translateY(-2px) scale(1.1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: var(--color-button);
    color: var(--color-text-light);
    box-shadow: 0 6px 15px rgba(108, 154, 139, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-text-dark);
    box-shadow: 0 8px 20px rgba(162, 216, 174, 0.4);
    transform: translateY(-2px);
}

/* Cards */
.card {
    background-color: rgba(255, 255, 255, 0.4); /* Lighter base for frosted effect */
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(8px); /* Frosted glass effect */
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 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);
}

/* Footer */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding-top: var(--spacing-xl);
    font-size: 0.9rem;
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

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

.footer-contact p {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.footer-social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer-social-icons a {
    color: var(--color-secondary);
    font-size: 1.5rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.footer-social-icons a:hover {
    color: var(--color-text-light);
    transform: translateY(-3px) scale(1.1);
}

.footer-bottom {
    background-color: var(--color-text-dark); /* Even darker for copyright */
    text-align: center;
    padding: var(--spacing-md);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

/* Icons (linear style, complementing existing styles) */
/* Assuming icons are embedded SVG or font icons. This provides a base style. */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
    vertical-align: middle;
    color: var(--color-primary); /* Default color for icons */
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .nav-menu ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        text-align: center;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-xs) 0;
    }

    .social-icons {
        margin-top: var(--spacing-sm);
        width: 100%;
        justify-content: center;
    }

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

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

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
}

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

.fade-in-element {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0; /* Ensure it's hidden before animation starts */
}

/* Example of adding a delay for staggered animations */
.fade-in-element:nth-child(1) { animation-delay: 0.1s; }
.fade-in-element:nth-child(2) { animation-delay: 0.2s; }
.fade-in-element:nth-child(3) { animation-delay: 0.3s; }
.fade-in-element:nth-child(4) { animation-delay: 0.4s; }


/* 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;
    }
}