:root {
    /* Colors */
    --color-primary: #0D47A1;
    --color-secondary: #FFD700;
    --color-background: #F0F4F8;
    --color-footer-bg: #1E293B;
    --color-text-dark: #1A202C; /* A slightly darker text for contrast */
    --color-text-light: #F0F4F8; /* For text on dark backgrounds */
    --color-accent-hover: #0A3C8B; /* Darker primary for hover */
    --color-accent-active: #083070; /* Even darker primary for active */

    /* Section Backgrounds */
    --section-bg-1: #F0F4F8;
    --section-bg-2: #E0E7ED;
    --section-bg-3: #D0DAE5;
    --section-bg-4: #C0CEDD;
    --section-bg-5: #AAB6C4;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-size-base: 1rem; /* 16px */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --border-radius-large: 0.75rem; /* 12px */

    /* Shadows */
    --shadow-deep: 0 15px 30px rgba(0, 0, 0, 0.15), 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-button: 0 8px 15px rgba(13, 71, 161, 0.3); /* Primary color shadow */
    --shadow-button-hover: 0 12px 20px rgba(13, 71, 161, 0.4);
    --shadow-button-active: 0 4px 8px rgba(13, 71, 161, 0.2);

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

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    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;
}

/* Headings */
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);
    letter-spacing: -0.03em; /* Slightly tighter for impact */
}

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: 600;
}

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

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

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

/* Utility Classes for Layout and Spacing (complementing Tailwind) */
.section-padding {
    padding: var(--spacing-2xl) var(--spacing-sm);
}

.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius-large);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-speed) var(--transition-ease),
                transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    box-shadow: var(--shadow-button);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-secondary); /* Text color as secondary */
}

.btn-primary:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-ease);
    z-index: -1;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px); /* Slight lift */
    box-shadow: var(--shadow-button-hover);
}

.btn-primary:hover:before {
    opacity: 1; /* Show subtle gradient overlay on hover */
}

.btn-primary:active {
    background-color: var(--color-accent-active);
    transform: translateY(1px); /* Slight 'press' effect */
    box-shadow: var(--shadow-button-active);
}

/* Card Styles */
.card {
    background-color: white;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-deep);
    padding: var(--spacing-xl);
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.card:hover {
    transform: translateY(-5px); /* Slight lift on hover */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 8px 20px 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);
}

.section-bg-4 {
    background-color: var(--section-bg-4);
}

.section-bg-5 {
    background-color: var(--section-bg-5);
}

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

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

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

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--section-bg-4);
    border-radius: var(--border-radius-large);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    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(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.2); /* Primary color focus ring */
}

/* AOS (Animate On Scroll) Integration - Example for dynamic, sporty glam */
/* These styles are for the visual effect, AOS library handles the trigger */
[data-aos="fade-up"],
[data-aos="slide-up"] {
    opacity: 0;
    transform: translateY(20px);
    transition-property: opacity, transform;
    transition-duration: 0.8s;
    transition-timing-function: var(--transition-ease);
}

[data-aos="fade-up"].aos-animate,
[data-aos="slide-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

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

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

    h2 {
        font-size: 1.75rem;
    }

    .btn {
        width: 100%;
        padding: var(--spacing-md) 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;
    }
}