:root {
    /* Colors */
    --color-primary: #0F172A; /* Slate 900 */
    --color-secondary: #4F46E5; /* Indigo 600 */
    --color-background: #F8F8F8; /* White smoke */
    --color-footer-bg: #1E293B; /* Slate 800 */
    --color-button: #6366F1; /* Indigo 500 */
    --color-text: #334155; /* Slate 700 */
    --color-heading: #1A202C; /* Darker Slate */
    --color-accent: var(--color-secondary); /* Using secondary as accent */

    /* Section Backgrounds */
    --section-bg-1: #F1F5F9; /* Slate 100 */
    --section-bg-2: #E2E8F0; /* Slate 200 */
    --section-bg-3: #CBD5E1; /* Slate 300 */
    --section-bg-4: #94A3B8; /* Slate 400 */

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

    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2rem;     /* 32px */
    --spacing-xl: 3rem;     /* 48px */
    --spacing-xxl: 4rem;    /* 64px */

    /* Borders and Shadows */
    --border-radius-base: 8px;
    --shadow-base: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-lg */
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); /* shadow-xl */

    /* Transitions */
    --transition-duration: 0.3s;
    --transition-timing-function: 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);
    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);
    color: var(--color-heading);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -0.025em; /* Tighten for modern feel */
}

h1 {
    font-size: 3.5rem; /* ~56px */
    line-height: 1.1;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

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

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

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

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-duration) var(--transition-timing-function);
}

a:hover {
    color: var(--color-secondary); /* Darker accent on hover */
    text-decoration: underline;
}

/* Layout & Structure */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    overflow: hidden;
}

/* 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);
    color: var(--color-primary); /* Adjust text color for darker background */
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    background-color: var(--color-button);
    color: white;
    border-radius: 9999px; /* rounded-full */
    padding: 0.75rem 2rem; /* px-8 py-3 */
    font-size: 1.125rem; /* text-lg */
    font-weight: 600; /* font-semibold */
    transform: translateZ(0); /* For transform hover */
    transition: all var(--transition-duration) var(--transition-timing-function); /* transform hover:scale-105 transition-transform duration-300 */
    box-shadow: var(--shadow-base);
}

.btn:hover {
    transform: scale(1.05);
    background-color: var(--color-secondary); /* Slightly darker or different shade on hover */
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-button);
    color: var(--color-button);
}

.btn-outline:hover {
    background-color: var(--color-button);
    color: white;
    transform: scale(1.05);
}

/* Cards */
.card {
    background-color: white;
    border-radius: var(--border-radius-base);
    box-shadow: var(--shadow-base);
    padding: var(--spacing-lg);
    transition: all var(--transition-duration) var(--transition-timing-function);
    overflow: hidden; /* For glassmorphism effect */
}

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

/* Glassmorphism Effect for specific cards/elements */
.card-glass {
    background-color: rgba(255, 255, 255, 0.15); /* Semi-transparent white */
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    color: var(--color-primary); /* Ensure text is readable */
}

/* Header Specific Styles */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: rgba(248, 248, 248, 0.7); /* bg-opacity-70 */
    backdrop-filter: blur(10px); /* backdrop-filter backdrop-blur-lg */
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: background-color var(--transition-duration) var(--transition-timing-function), box-shadow var(--transition-duration) var(--transition-timing-function);
}

.header.scrolled {
    background-color: rgba(248, 248, 248, 0.9);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

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

.header-nav a {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    padding-bottom: 5px;
}

.header-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-duration) var(--transition-timing-function);
}

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

/* Footer Specific Styles */
.footer {
    background-color: var(--color-footer-bg);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xxl) 0;
    font-size: 0.95rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-duration) var(--transition-timing-function);
}

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

.footer-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

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

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
}

/* Interactive Elements */
/* Sliders (example for a common structure, specific implementation depends on JS library) */
.slider-pagination-dot {
    width: 10px;
    height: 10px;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    transition: background-color var(--transition-duration) var(--transition-timing-function);
}
.slider-pagination-dot.active {
    background-color: var(--color-accent);
}
.slider-arrow {
    color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    padding: 10px;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-duration) var(--transition-timing-function);
}
.slider-arrow:hover {
    background-color: var(--color-accent);
    color: white;
    transform: scale(1.1);
}

/* Gallery Lightbox (example for a common structure) */
.lightbox-overlay {
    background-color: rgba(0, 0, 0, 0.8);
    transition: opacity var(--transition-duration) var(--transition-timing-function);
}
.lightbox-content {
    background-color: white;
    border-radius: var(--border-radius-base);
    box-shadow: var(--shadow-hover);
    animation: fadeInScaleUp 0.3s var(--transition-timing-function);
}

@keyframes fadeInScaleUp {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Map Theming */
/* This would typically be handled by the map API's styling options (e.g., Google Maps Styled Maps or Mapbox Studio)
   However, if custom CSS is needed for map containers or overlays: */
.map-container {
    border-radius: var(--border-radius-base);
    overflow: hidden;
    box-shadow: var(--shadow-base);
}

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

    h2 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 1rem;
    }

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

    .header-nav {
        padding-top: var(--spacing-md);
    }

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

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

    h2 {
        font-size: 1.75rem;
    }

    body {
        font-size: 1rem;
    }

    section {
        padding: var(--spacing-xl) 0;
    }
}

/* AOS (Animate On Scroll) Library Integration */
/* Basic styles to ensure AOS works smoothly. Specific animations are defined by AOS classes */
[data-aos] {
    transition-property: opacity, transform;
}
[data-aos][data-aos].aos-animate {
    opacity: 1;
    transform: translate(0);
}
/* Example for fade-up */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(20px);
}
/* Example for slide-in-left */
[data-aos="slide-left"] {
    opacity: 0;
    transform: translateX(-50px);
}
[data-aos="slide-right"] {
    opacity: 0;
    transform: translateX(50px);
}
/* You'd typically include AOS CSS directly from its library, this is just to show custom support */


/* 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;
    }
}