:root {
    --primary-color: #8B4513;
    --secondary-color: #CD853F;
    --accent-color: #D2691E;
    --text-color: #473C8C;
    --light-bg: #C4C4C7;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Header Styles */
.hero {
    background: linear-gradient(rgba(139, 69, 19, 0.7), rgba(139, 69, 19, 0.7)),
                url('images/sauna-hero.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    color: white;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(0, 0, 0, 0.2);
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background: var(--secondary-color);
    border-radius: 4px;
}

.hero-content {
    text-align: center;
    padding: 0 1rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Benefits Section */
.benefits-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.benefit-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.benefit-card h3, .benefit-card p {
    padding: 1rem;
}

/* Research Section */
.research-section {
    padding: 5rem 5%;
}

.research-content {
    max-width: 800px;
    margin: 2rem auto;
}

.research-content ul {
    margin-left: 2rem;
    margin-top: 1rem;
}

/* Mental Health Section */
.mental-section {
    padding: 5rem 5%;
    background: linear-gradient(rgba(139, 69, 19, 0.05), rgba(139, 69, 19, 0.1));
}

.mental-section .benefits-grid {
    margin-top: 3rem;
}

/* Tips Section */
.tips-section {
    padding: 5rem 5%;
    background: var(--light-bg);
}

.tips-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tip {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: white;
    padding: 2rem 5%;
    text-align: center;
}

/* Common Styles */
h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    nav {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        margin-top: 1rem;
    }
}