:root {
    /* Colors */
    --primary-color: #2ECC71; /* Emerald Green */
    --secondary-color: #3498DB; /* Belize Hole Blue */
    --background-color: #ECF0F1; /* Clouds Light Gray */
    --footer-bg-color: #2C3E50; /* Wet Asphalt Dark Blue */
    --button-color: #E74C3C; /* Alizarin Red */
    --text-color: #2C3E50; /* Dark text for readability */
    --light-text-color: #ECF0F1; /* Light text for dark backgrounds */
    --accent-color: #E74C3C; /* Reusing button color for strong accents */

    /* Section Backgrounds */
    --section-bg-1: #FFFFFF;
    --section-bg-2: #F8FBFD;
    --section-bg-3: #EFF8F2;
    --section-bg-4: #FDFBFA;
    --section-bg-5: #F2F5FF;

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

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

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;

    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.2);

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

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

body {
    font-family: var(--font-family-body);
    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(--text-color);
    line-height: 1.2;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 3.5rem; /* 56px */
    font-weight: 800;
}

h2 {
    font-size: 2.75rem; /* 44px */
}

h3 {
    font-size: 2.25rem; /* 36px */
}

h4 {
    font-size: 1.75rem; /* 28px */
}

p {
    margin-bottom: var(--spacing-md);
    max-width: 75ch; /* Optimal line length for readability */
}

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

a:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

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

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

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

/* 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); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed) var(--transition-ease);
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background-color: var(--button-color);
    color: var(--light-text-color);
    border: 2px solid var(--button-color);
}

.btn-primary:hover {
    background-color: #C0392B; /* Darker Alizarin */
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-link {
    background: none;
    border: none;
    color: var(--secondary-color);
    padding: 0;
    text-decoration: underline;
    font-weight: normal;
    text-transform: none;
    box-shadow: none;
}

.btn-link:hover {
    color: var(--primary-color);
    transform: translateY(-1px);
    text-decoration: none;
    box-shadow: none;
}

/* Cards */
.card {
    background-color: var(--section-bg-1);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

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

.card-title {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.card-description {
    font-size: 1rem;
    color: var(--text-color);
}

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

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid #BDC3C7; /* Silver */
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-body);
    font-size: 1rem;
    color: var(--text-color);
    background-color: var(--section-bg-1);
    transition: border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2); /* Belize Hole Blue with transparency */
}

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

/* Header & Footer Specifics */
.site-header {
    background: var(--section-bg-1);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 1px solid #ECF0F1;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .logo {
    font-family: var(--font-family-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.site-header .logo span {
    color: var(--primary-color);
}

.site-footer {
    background-color: var(--footer-bg-color);
    color: var(--light-text-color);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    font-size: 0.9rem;
}

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

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

.fade-in-element {
    animation: fadeIn 0.8s var(--transition-ease) forwards;
    opacity: 0; /* Hidden by default */
}

/* Hero Section Specifics */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--light-text-color);
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: radial-gradient(circle at top left, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at bottom right, rgba(255,255,255,0.1) 0%, transparent 50%);
    z-index: 0;
    animation: subtleMove 15s infinite alternate ease-in-out;
}

@keyframes subtleMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(10px, 10px); }
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    color: var(--light-text-color);
    font-size: 4.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.hero-section p {
    font-size: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-section .btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.25rem;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    h1 {
        font-size: 3rem;
    }
    h2 {
        font-size: 2.25rem;
    }
    .hero-section h1 {
        font-size: 3.5rem;
    }
    .hero-section p {
        font-size: 1.25rem;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 1rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    h3 {
        font-size: 1.5rem;
    }
    .hero-section h1 {
        font-size: 2.75rem;
    }
    .hero-section p {
        font-size: 1rem;
    }
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    .site-header .logo {
        font-size: 1.5rem;
    }
    .card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    .hero-section h1 {
        font-size: 2.25rem;
    }
    .hero-section p {
        font-size: 0.9rem;
    }
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
}

/* Custom Scrollbar (for aesthetic purposes) */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 5px;
}

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


/* 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;
    }
}