:root {
  --lightgrey: #ebebeb;
  --light: #ffffff;
  --dark: #3b4754;
  --darkgrey: #aaaaaa;
  --black: #000000;
  --red: #872533;
}

html {
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--dark-brown);
}

a {
  color: var(--dark-brown);
}

p {
  line-height: 1.6;
}

.mt-0 {
  margin-top: 0 !important;
}

.my-3 {
  margin: 3rem 0 !important;
}

.mt-3 {
  margin-top: 3rem !important;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 5rem;
}

.ml-2 {
  margin-left: 2rem !important;
}

.mr-1 {
  margin-right: 1rem;
}

.py-45 {
  padding: 45px 0 !important;
}

.img-placeholder {
  height: auto;
  width: 100%;
}

/* Navigation Section */
#main-nav {
  border: none;
  margin-bottom: 0 !important;
  height: 90px;
}

#main-nav .container {
  margin: 20px auto;
}

.logo {
  height: 50px;
}

.navbar,
.navbar-default,
.container-nav {
  background: transparent;
  box-shadow: none;
  padding: auto 0;
}

.navbar-default .navbar-collapse,
.navbar-default .navbar-form {
  border: none;
}

.navbar-brand {
  padding: 0 15px !important;
}

.navbar-default .navbar-nav > li > a {
  color: var(--dark);
  font-weight: bold;
}

.navbar-default .navbar-nav > li > a:hover {
  color: var(--red);
}

.navbar-toggle {
  margin-bottom: 2rem;
}

.lightgrey-background {
  background: var(--lightgrey);
}

/* Hero Section */
#hero {
  background: url("img/placeholder-image2.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
  background-position: center;
  height: 500px;
  text-align: center;
  justify-content: center;
  margin-bottom: 0 !important;
}

#hero .dark-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 500px;
  background-color: rgba(170, 170, 170, 0.7);
}

#hero h1 {
  font-size: 6rem;
  padding-top: 3.3rem;
  color: var(--light);
}

#hero h4 {
  margin-top: 20px;
  margin-bottom: 0;
  color: var(--light);
  max-width: 70%;
  margin: 30px auto;
  line-height: 1.6;
}

.hero-text {
  padding: 8%;
}

/* Info Section */
#info {
  background-color: var(--lightgrey);
}

.info-text h3 {
  margin-top: 0;
}

/* Events End */
.btn-custom {
  border: 1px solid var(--black);
  width: 150px;
}

.btn-custom:hover {
  background-image: linear-gradient(#5e1b24, #5e1b24);
  background-color: #5e1b24;
  color: var(--light);
}

.button-group {
  display: inline-block;
}

/* Footer Section */
footer {
  height: 200px;
  text-align: center;
  background-color: var(--black);
  padding: 3%;
}

footer p {
  color: var(--light);
}

/* Media Queries */
@media (max-width: 768px) {
  #hero h1 {
    padding-top: 5rem;
  }
  #hero h4 {
    max-width: 80%;
  }

  .img-placeholder {
    width: auto;
  }
}

@media (max-width: 576px) {
  .logo {
    height: 45px;
  }

  #hero h1 {
    padding-top: 7rem;
    font-size: 5rem;
  }

  #hero h4 {
    max-width: 90%;
  }
}

@media (max-width: 320px) {
  .logo {
    height: 40px;
    padding-top: 10px;
  }

  .button-group {
    display: block;
  }

  .btn-custom {
    width: 100%;
    margin-top: 10px;
  }
}