:root {
    /* Colors */
    --color-primary: #0F4C81;
    --color-secondary: #3498DB;
    --color-background: #F0F3F7;
    --color-footer-bg: #1C2833;
    --color-button: #2ECC71;
    --color-text-dark: #333333;
    --color-text-light: #F0F3F7;
    --color-accent-dark: #0A3357; /* Darker shade of primary for accents */
    --color-accent-light: #A7D9FD; /* Lighter shade of secondary for highlights */

    /* Section Backgrounds - from user's request */
    --section-bg-1: #F0F3F7;
    --section-bg-2: #D6EAF8;
    --section-bg-3: #B0D9F9;
    --section-bg-4: #85C1E9;
    --section-bg-5: #5DADE2;
    --section-bg-6: #3498DB;

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Lato', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px; /* Generous border-radius */

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

    /* Shadows */
    --shadow-subtle: 0 4px 8px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-text: 2px 2px 4px rgba(0, 0, 0, 0.2); /* Subtle text shadow */
}

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

body {
    font-family: var(--font-body);
    line-height: 1.7; /* Generous line-height for readability */
    color: var(--color-text-dark);
    background-color: var(--color-background);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    text-shadow: var(--shadow-text); /* Subtle text shadow for headlines */
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
}

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

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

a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Layout & Spacing */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0; /* Ample vertical padding for sections */
    position: relative;
    overflow: hidden; /* Ensures gradients don't spill */
}

/* 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);
}

.section-bg-6 {
    background-color: var(--section-bg-6);
    color: var(--color-text-light); /* Ensure text is readable on darker background */
}

/* Gradient Usage (for specific sections or elements) */
.gradient-overlay {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    color: var(--color-text-light);
    position: relative;
    z-index: 1; /* Ensure content is above gradient */
}

.gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.8) 0%, rgba(15, 76, 129, 0.8) 100%);
    z-index: -1;
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-lg); /* Generous border-radius */
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-timing-function);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    color: var(--color-text-light);
    box-shadow: var(--shadow-subtle);
    
    /* Subtle inward curve effect */
    clip-path: polygon(
        calc(var(--border-radius-lg) / 2) 0%, 
        calc(100% - var(--border-radius-lg) / 2) 0%, 
        100% var(--border-radius-lg), 
        100% calc(100% - var(--border-radius-lg)), 
        calc(100% - var(--border-radius-lg) / 2) 100%, 
        calc(var(--border-radius-lg) / 2) 100%, 
        0% calc(100% - var(--border-radius-lg)), 
        0% var(--border-radius-lg)
    );
}

.btn-primary {
    background-color: var(--color-button);
    box-shadow: 0 6px 12px rgba(46, 204, 113, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark); /* Darker shade on hover */
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(46, 204, 113, 0.4);
}

.btn-secondary {
    background-color: var(--color-secondary);
    box-shadow: 0 6px 12px rgba(52, 152, 219, 0.3);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(52, 152, 219, 0.4);
}

/* Cards & Forms */
.card {
    background-color: white;
    border-radius: var(--border-radius-lg); /* Generous border-radius */
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-speed) var(--transition-timing-function);
}

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

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-md); /* Generous border-radius */
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-speed) var(--transition-timing-function), box-shadow var(--transition-speed) var(--transition-timing-function);
    box-sizing: border-box; /* Include padding in element's total width and height */
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.2);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-lg); /* Generous border-radius for images */
    object-fit: cover; /* Ensures images fill their container without distortion */
}

/* Footer */
footer {
    background-color: var(--color-footer-bg);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

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

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

/* Micro-interactions & Animations */
/* Example: Fade-in on scroll (requires JS to trigger classes) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--transition-timing-function), transform 0.6s var(--transition-timing-function);
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    h2 {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
    }

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

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
    }

    .card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: clamp(1.8rem, 10vw, 3rem);
    }

    h2 {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .btn {
        width: 100%;
        margin-bottom: var(--spacing-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;
    }
}