:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #f4f7f6;
    --text-color: #333;
    --white: #ffffff;
    --border-radius: 8px;
    --transition-speed: 0.3s;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    background-color: #e0e0e0;
    height: 10px;
    position: fixed;
    top: 60px; /* Adjust based on header height */
    left: 0;
    z-index: 99;
    display: none; /* Hidden on index, shown on questions */
}

.progress-bar {
    height: 100%;
    background-color: var(--secondary-color);
    width: 0%;
    transition: width 0.5s ease-in-out;
}

/* Main Content */
main {
    flex: 1;
    padding: 2rem 0;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: background-color var(--transition-speed);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-secondary {
    background-color: #95a5a6;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

/* Question Page Layout */
.question-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .question-layout {
        grid-template-columns: 2fr 1fr;
    }
}

.question-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.question-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.options-list {
    list-style: none;
}

.option-item {
    margin-bottom: 1rem;
}

.option-label {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #eee;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.option-label:hover {
    border-color: var(--secondary-color);
    background-color: #f0f8ff;
}

.option-input {
    margin-right: 15px;
    width: 20px;
    height: 20px;
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

/* Info Content Side/Bottom */
.info-content {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    font-size: 0.95rem;
    color: #444;
}

.info-content h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.info-content p {
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
        text-align: left;
    }
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
}

/* Cookie Banner */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(44, 62, 80, 0.95);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

#cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: center;
}

/* Typography & Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }