:root {
    --blue: #80BCCF;
    --green: #7CCDCA;
    --pink: #D883CE;
    --purple: #9F8CD7;
    --black: #1a1a1a;
    --white: #fafafa;
    --dark: #4f4f4f;
    --light: #e1e1e1;
}

body {
    background-color: var(--black);
    font-family: 'Comfortaa', cursive;
    color: var(--light);
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Indie Flower', cursive;
}

.text-purple { color: var(--purple); }
.text-blue { color: var(--blue); }
.text-green { color: var(--green); }
.text-pink { color: var(--pink); }
.text-light { color: var(--light); }
.text-white { color: var(--white); }

.bg-purple { background-color: var(--purple); }
.bg-dark { background-color: var(--dark); }

.border-purple { border-color: var(--purple); }
.border-blue { border-color: var(--blue); }
.border-green { border-color: var(--green); }
.border-pink { border-color: var(--pink); }

.text-underline { text-decoration: underline; }
.opacity-75 { opacity: 0.75; }

.intro-text {
    font-size: 1.5rem;
}

header {
    background-color: var(--dark);
}

.social-icons .fab, .social-icons .fas {
    color: var(--light);
    font-size: 1.2rem;
    margin: 0 5px;
}

.social-icons a:hover {
    opacity: 0.75;
}

#intro {
    height: calc(100vh - 96px); /* Adjusted for main header (56px) + sub-nav (40px approx) */
    position: relative;
}

#headerImg {
    background-image: url('/static/imgs/concept-intro-site.png');
    height: 100%;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

#intro .fa-chevron-down {
    position: absolute;
    bottom: 5%;
    left: 48%;
    font-size: 5rem;
    color: rgba(225, 225, 225, 0.75);
}

#about, #media, #contact {
    background-color: rgba(40,40,40,0.75);
}

#about ul li {
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--white);
}

#stats {
    background-color: rgba(0,0,0,0.5);
    position: relative;
    min-height: 100vh;
}

#stats div:first-of-type {
    height: 100vh;
}

#stats:before {
    content: " ";
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: url('/static/imgs/llamas.jpg');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -1;
}

/* Breakpoint for Llama Chart */
@media (min-width: 548px) {
    #stats div:first-of-type {
        height: 50vh;
    }
}

#geekbeacon {
    background-color: rgba(0,0,0,0.5);
    position: relative;
    min-height: 100vh;
}

#geekbeacon:before {
    content: " ";
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    background-image: url('/static/imgs/gb.png');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -1;
}

#toTop {
    display: none;
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 99;
}

.btn-outline-blue {
    color: var(--blue);
    border-color: var(--blue);
}
.btn-outline-blue:hover {
    background-color: var(--blue);
    color: var(--black);
}

.btn-outline-purple {
    color: var(--purple);
    border-color: var(--purple);
}
.btn-outline-purple:hover {
    background-color: var(--purple);
    color: var(--black);
}

.sub-nav {
    top: 56px; /* Height of the main sticky-top header */
    z-index: 1019; /* Just below main header if needed */
}

@media (max-width: 768px) {
    .intro-text {
        font-size: 1.1rem;
    }
}