:root {
    /* Color Palette */
    --primary: #699ba4;
    --primary-light: #8ac3ca;
    --accent: #d4a373;
    --white: #ffffff;
    --text-dark: #333333;
    --text-muted: #666666;
    --bg-light: #f9fbfb;
    
    /* Layout */
    --container-width: 1100px;
    --header-height: 80px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary);
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--white);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Montserrat', sans-serif;
}

.nav a {
    margin-left: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('img/praxis_landscape.jpg');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

/* Landscape for desktop, Portrait for mobile */
@media (max-width: 768px) {
    .hero-background {
        background-image: url('img/praxis_portrait.jpg');
    }
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.75); /* White overlay */
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary);
}

/* Philosophy Section */
.philosophy {
    padding: 100px 0;
    background: var(--white);
    text-align: center;
}

.philosophy h2 {
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.philosophy h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--accent);
}

.philosophy-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.philosophy-text p {
    margin-bottom: 20px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 50px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.contact-item h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--white);
    padding: 40px 0;
    border-top: 1px solid #eee;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links a {
    margin-left: 20px;
}

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

/* Mobile Optimizations */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .header {
        height: 60px;
    }
    
    .nav {
        display: none; /* Can add a burger menu later if needed */
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links a {
        margin: 0 10px;
    }
}