:root {
    /* Colors */
    --primary-color: #2d3748;
    --secondary-color: #D4E5F6;
    --background-color: #E9F9F8;
    --footer-bg-color: #1a202c;
    --button-color: #ff7e5f;
    --accent-color: #feb47b; /* Derived from button hover gradient */
    --text-light: #f8f8f8;
    --text-dark: #2d3748;

    /* Section Backgrounds */
    --section-bg-1: #E9F9F8;
    --section-bg-2: #D4E5F6;
    --section-bg-3: #BAE8F5;
    --section-bg-4: #AED9E0;

    /* 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: 2rem;
    --spacing-xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;

    /* Shadows */
    --shadow-brutal: 5px 5px 0px var(--primary-color);
    --shadow-brutal-hover: 8px 8px 0px var(--primary-color);
    --shadow-clay-light: 4px 4px 10px rgba(0, 0, 0, 0.1), -4px -4px 10px rgba(255, 255, 255, 0.7);
    --shadow-clay-dark: inset 2px 2px 5px rgba(0, 0, 0, 0.1), inset -2px -2px 5px rgba(255, 255, 255, 0.7);
    --shadow-neon: 0 0 5px var(--accent-color), 0 0 10px var(--accent-color), 0 0 15px var(--accent-color);

    /* Transitions */
    --transition-fast: all 0.2s ease-in-out;
    --transition-medium: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

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

a {
    color: var(--button-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

/* Layout & Structure - Tailwind will handle most, but custom sections */
.section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.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); }

/* Header */
.header {
    background-color: rgba(45, 55, 72, 0.7); /* primary-color with transparency */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header .logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.8rem;
    color: var(--text-light);
    text-decoration: none;
    line-height: 1;
    background: linear-gradient(45deg, var(--accent-color), var(--button-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.3); /* Soft white glow */
}

.header nav a {
    color: var(--text-light);
    margin-left: var(--spacing-md);
    position: relative;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.header nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
}

.header nav a:hover::after {
    width: 100%;
}

.header .icon {
    font-size: 1.5rem;
    color: var(--secondary-color); /* Jaskrawe ikony */
    margin-left: var(--spacing-sm);
    text-shadow: var(--shadow-neon);
    transition: var(--transition-fast);
}

.header .icon:hover {
    transform: scale(1.1);
    color: var(--accent-color);
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-light);
    background-color: var(--button-color);
    border: none;
    border-radius: var(--border-radius-xl); /* Highly rounded for irregular shape feel */
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-brutal); /* Brutalism shadow */
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-brutal-hover);
    background: linear-gradient(45deg, var(--button-color), var(--accent-color)); /* Energetic gradient */
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-brutal);
}

/* Card Styles - Claymorphism */
.card {
    background-color: #f0f0f0; /* Slightly off-white for claymorphism base */
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    margin: var(--spacing-sm);
    box-shadow: var(--shadow-clay-light); /* Soft convex shadow */
    position: relative;
    overflow: hidden;
    transition: var(--transition-medium);
    border: 1px solid transparent; /* Placeholder for colored border */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 6px 6px 15px rgba(0, 0, 0, 0.15), -6px -6px 15px rgba(255, 255, 255, 0.8);
}

.card-title {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.card-text {
    font-family: var(--font-body);
    color: var(--text-dark);
    font-size: 0.95rem;
}

/* Specific card border colors matching sections */
.card-section-1 { border-color: var(--section-bg-1); }
.card-section-2 { border-color: var(--section-bg-2); }
.card-section-3 { border-color: var(--section-bg-3); }
.card-section-4 { border-color: var(--section-bg-4); }

/* Footer */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--secondary-color);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    font-size: 0.9rem;
    border-top: 5px solid var(--accent-color); /* Brutalism accent */
}

.footer a {
    color: var(--button-color);
    margin: 0 var(--spacing-xs);
}

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

/* Utilities for Tailwind integration */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }

/* Animations & Micro-interactions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

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

    h2 {
        font-size: 2rem;
    }

    .header {
        flex-direction: column;
        padding: var(--spacing-sm);
    }

    .header nav {
        margin-top: var(--spacing-sm);
    }

    .header nav a {
        margin: 0 var(--spacing-xs);
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

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

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    .header .logo {
        font-size: 1.5rem;
    }
    .header nav {
        display: none; /* Hide nav on very small screens, assuming a mobile menu toggler will be present */
    }
}


/* 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;
    }
}