:root {
    --primary: #3b82f6;
    --secondary: #00d2ff;
    --dark: #1e293b;
    --light: #f8fafc;
    --text: #334155;
    --white: #ffffff;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER */
.site-header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
}

.logo-vs {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    color: var(--white);
    padding: 5px 10px;
    border-radius: 8px;
    margin-right: 10px;
    font-size: 18px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text);
    margin-left: 20px;
    font-weight: 600;
    transition: color 0.3s;
}

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

/* HERO SECTION */
.hero {
    padding: 80px 0;
    text-align: center;
    background-color: var(--white);
}

h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--dark);
}

.text-gradient {
    background: linear-gradient(to right, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 40px;
}

/* THE HOUSE SVG WRAPPER */
.house-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.interactive-house {
    width: 100%;
    height: auto;
    display: block;
}

/* FEATURES GRID */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 32px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--dark);
}

/* FOOTER */
.site-footer {
    padding: 40px 0;
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    h1 { font-size: 32px; }
    .feature-grid { grid-template-columns: 1fr; }
    
    /* On mobile, we might hide the complex SVG and show a list instead */
    /* .house-wrapper { display: none; } */
}