:root {
    /* Colors */
    --primary-color: #0D9488;
    --secondary-color: #10B981;
    --background-color: #F9FAFB;
    --footer-bg-color: #0D9488;
    --button-color: #10B981;
    --section-bg-1: #FFFFFF;
    --section-bg-2: #F3F4F6;
    --section-bg-3: #D1FAE5;
    --text-color-dark: #2D3748; /* Tailwind gray-800 equivalent */
    --text-color-light: #4A5568; /* Tailwind gray-700 equivalent */
    --white: #FFFFFF;

    /* Typography */
    --font-family-sans: 'Roboto', sans-serif; /* A clean sans-serif for Bosnian */
    --font-size-base: 1rem;
    --line-height-base: 1.7;

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

    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;

    /* Box Shadow */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

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

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

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-color-light);
    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-sans);
    color: var(--text-color-dark);
    line-height: 1.2;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

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

h3 {
    font-size: 2rem;
    font-weight: 600;
}

h4 {
    font-size: 1.5rem;
    font-weight: 500;
}

h5 {
    font-size: 1.25rem;
    font-weight: 500;
}

h6 {
    font-size: 1rem;
    font-weight: 500;
}

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

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

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

/* Header Styles */
.header {
    background-color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-speed) var(--transition-timing);
}

.header.sticky {
    box-shadow: var(--shadow-md);
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.header .logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

.header nav ul li a {
    color: var(--text-color-dark);
    font-weight: 500;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 0.25rem;
}

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

.header nav ul li a:hover::after,
.header nav ul li a.active::after {
    width: 100%;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed) var(--transition-timing);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background-color: var(--button-color);
    color: var(--white);
    background-image: linear-gradient(to right, var(--button-color) 0%, var(--secondary-color) 100%);
}

.btn-primary:hover {
    background-position: right center; /* Shift gradient on hover */
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.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(--white);
    transform: translateY(-2px);
}

/* 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);
}

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

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

/* Footer Styles */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    line-height: 1.6;
}

.footer h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

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

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

.footer ul li a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity var(--transition-speed) var(--transition-timing);
}

.footer ul li a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer .social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.footer .social-icons a {
    color: var(--white);
    font-size: 1.5rem;
    opacity: 0.8;
}

.footer .social-icons a:hover {
    opacity: 1;
    transform: translateY(-2px);
}

/* Utility Classes (to complement Tailwind) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.text-center {
    text-align: center;
}

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

.mt-xl {
    margin-top: var(--spacing-xl);
}

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

    h2 {
        font-size: 2rem;
    }

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

    .header nav ul {
        gap: var(--spacing-md);
    }

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

    .footer .social-icons {
        justify-content: center;
    }
}

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

    h2 {
        font-size: 1.75rem;
    }

    .header nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .header nav {
        display: none; /* Hide nav by default on small screens, can be toggled by JS */
    }
}

/* Custom Scrollbar for a touch of elegance */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-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;
    }
}