:root {
    /* Colors */
    --color-primary: #27374D;
    --color-secondary: #DDE6ED;
    --color-background: #F8F8F8;
    --color-footer-bg: #1A2233;
    --color-button: #526D82;
    --color-accent-light: #6C88A8; /* A lighter shade of primary for accents */
    --color-text-dark: #333333;
    --color-text-light: #F8F8F8;

    --section-bg-1: #F8F8F8;
    --section-bg-2: #EBF0F5;
    --section-bg-3: #DDE6ED;
    --section-bg-4: #F0F5F9;
    --section-bg-5: #E1E8EE;

    /* Typography */
    --font-family-sans: 'Roboto', sans-serif;
    --font-family-serif: 'Playfair Display', serif; /* For headings or special text */
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Box Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-serif);
    color: var(--color-primary);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

h4 {
    font-size: 1.4rem;
    font-weight: 500;
}

p {
    margin-bottom: 1em;
}

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

a:hover {
    color: var(--color-accent-light);
    border-bottom: 1px solid var(--color-accent-light);
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.section:nth-of-type(even) {
    background-color: var(--section-bg-2);
}

.section:nth-of-type(odd) {
    background-color: var(--section-bg-1);
}

/* Override specific section backgrounds based on design_preferences */
.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); }


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-sans);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--color-button);
    color: var(--color-text-light);
    box-shadow: 0 4px 15px rgba(82, 109, 130, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 55, 77, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-button);
    border: 2px solid var(--color-button);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--color-button);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(82, 109, 130, 0.2);
}

.btn-icon {
    padding: var(--spacing-xs);
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

/* Cards */
.card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Glassmorphism Effect */
.glass-card {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.glass-card:hover {
    background-color: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-sans);
    font-size: 1rem;
    color: var(--color-text-dark);
    background-color: white;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-button);
    outline: none;
    box-shadow: 0 0 0 3px rgba(82, 109, 130, 0.2);
}

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

/* Utility Classes (to complement Tailwind) */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent-light { color: var(--color-accent-light); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-background { background-color: var(--color-background); }
.bg-footer { background-color: var(--color-footer-bg); }

.font-serif { font-family: var(--font-family-serif); }
.font-sans { font-family: var(--font-family-sans); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }

/* Footer specific styles */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-lg) 0;
    font-size: 0.9rem;
}

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

.footer a:hover {
    color: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

/* Alpine.js specific transitions */
[x-cloak] {
    display: none !important;
}

.fade-in-transition {
    transition: opacity 0.3s ease-out;
}

.fade-in-transition[x-transition:enter] {
    opacity: 0;
}

.fade-in-transition[x-transition:enter-end] {
    opacity: 1;
}

.fade-in-transition[x-transition:leave] {
    opacity: 1;
}

.fade-in-transition[x-transition:leave-end] {
    opacity: 0;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.6rem; }
    .section { padding: var(--spacing-lg) 0; }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --spacing-lg: 32px;
        --spacing-xl: 64px;
    }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.7rem; }
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    .card { padding: var(--spacing-md); }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --spacing-md: 16px;
        --spacing-lg: 24px;
    }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
}

/* AOS (Animate On Scroll) Integration - assuming AOS library is loaded */
/* No direct CSS needed here, AOS uses data-aos attributes on HTML elements */
/* We ensure smooth transitions for elements that might be animated by AOS */
[data-aos] {
    transition-property: transform, opacity, background-color, color, box-shadow;
    transition-duration: 0.6s;
    transition-timing-function: ease-out;
}

/* Custom highlight for interactive elements */
.highlight-on-hover {
    position: relative;
    overflow: hidden;
}

.highlight-on-hover::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-light);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.highlight-on-hover:hover::before {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Subtle gradient for headers/hero sections */
.hero-section-gradient {
    background: linear-gradient(135deg, var(--section-bg-1) 0%, var(--section-bg-3) 100%);
}

/* Element for visual separation */
.separator {
    width: 60px;
    height: 3px;
    background-color: var(--color-button);
    margin: var(--spacing-md) auto;
    border-radius: 2px;
}

/* Image styling */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container for responsive images, if needed */
.image-container {
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

/* Text selection styling */
::selection {
    background-color: var(--color-button);
    color: var(--color-text-light);
}

::-moz-selection {
    background-color: var(--color-button);
    color: var(--color-text-light);
}

/* Scrollbar styling for modern browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-button);
}

/* Focus states for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-accent-light);
    outline-offset: 2px;
    border-radius: var(--border-radius-sm);
}


/* 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;
    }
}