/* 1. BASE THEME & VARIABLES */
:root {
    --primary-blue: #003366; 
    --harvard-crimson: #A51C30;
    --bg-gray: #f4f7f6;
    --text-dark: #333;
}

body {
	display: flex;
    flex-direction: column;
    min-height: 100vh; /* Makes the body at least as tall as the screen */
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-dark);
    margin: 0;
    /* This ensures the body takes up at least the full screen height */
    min-height: 100vh; 
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 100px; /* Space for header */
    position: relative;
    /* Important: adds space at the bottom so content doesn't hit the footer */
    padding-bottom: 180px; 
    box-sizing: border-box;
}

.main-content {
    flex: 1; /* This "stretches" the middle content to fill the empty space */
    padding-bottom: 50px;
}

/* 2. HEADER & NAVIGATION */
header {
    background-color: var(--harvard-crimson);
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    box-sizing: border-box;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-left img { height: 40px; }

.header-left span {
    color: white;
    font-family: 'Georgia', serif;
    font-weight: bold;
    font-size: 1.1rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
}

nav a {
    color: white;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* 3. INTERVIEW CONTAINER (Your previous styles) */
.research-container {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 600px;
    width: 90%;
    text-align: center;
    border-top: 6px solid var(--harvard-crimson);
}

#start-btn {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.3s;
}

/* 4. FOOTER */
footer {
    background-color: #1e1e1e;
    color: #999;
    /* This forces it to the absolute bottom of the screen */
    position: fixed; 
    bottom: 0;
    left: 0;
    width: 100%;
    
    /* Tightening the thickness */
    padding: 8px 0;           /* Very thin padding */
    font-size: 0.7rem;        /* Smaller, subtle text */
    text-align: center;
    border-top: 2px solid #A51C30; 
    box-sizing: border-box;
    z-index: 1000;            /* Ensures it stays on top of other elements */
}

/* Clear out any old padding from paragraph tags inside the footer */
footer p {
    margin: 0;
    padding: 0;
    line-height: 1;
}