:root {
    --bg-color: #0d0d0d;
    --card-bg: #1a1a1a;
    --text-primary: #f8f9fa; /* Light grey/white like --bs-light */
    --text-secondary: #a0a0a0;
    --accent-gold: #c5a059;
    --font-heading: 'Faculty Glyphic', serif;
    --font-body: 'Roboto', sans-serif;
}

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

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

/* Header */
.main-header {
    background-color: rgba(13, 13, 13, 0.95);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-container {
    display: flex;
    align-items: center;
}

.site-logo {
    height: 50px; /* Adjust based on logo aspect ratio */
    width: auto;
    display: block;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    position: relative;
    transition: color 0.3s;
    font-family: var(--font-body);
}

.main-nav a:hover, .main-nav a.active {
    color: var(--accent-gold);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-gold);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 1rem 2rem;
    background: linear-gradient(to bottom, #0d0d0d 0%, #1a1a1a 100%);
}

.hero-title {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 3rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    font-weight: 400; /* Faculty Glyphic is quite bold naturally */
    text-transform: uppercase;
}

.hero-subtitle {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.9;
}

/* Main Content */
.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    background-color: #141414;
}

/* Survey Container */
.survey-container {
    background-color: var(--card-bg);
    padding: 0; /* Remove padding to let iframe fill */
    border-radius: 4px; /* Slightly sharper corners */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    width: 100%;
    max-width: 660px;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

iframe {
    width: 100%;
    display: block;
}

/* Footer */
.main-footer {
    background-color: #050505; /* Blacker footer */
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid #222;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.main-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--text-primary);
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    text-transform: uppercase;
}

.social-links a:hover {
    color: var(--accent-gold);
}

/* Responsive */
@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo-container {
        margin-bottom: 1rem;
    }

    .main-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .main-nav a {
        margin: 0;
        font-size: 0.8rem;
    }

    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        letter-spacing: 2px;
    }
}