:root {
  --light-color: hsl(0, 0%, 96%);
  --grey-color: hsl(0, 0%, 48%);
  --dark-color: hsl(0, 0%, 21%);
  --primary-color: hsl(171, 100%, 41%);
}

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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.5;
}

a {
  text-decoration: none;
}

p {
  margin: 0.75rem 0;
}

/* UTILITIES */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 2rem;
  overflow: hidden;
}

.py-1 {
  padding: 1.5rem 0;
}
.py-2 {
  padding: 2rem 0;
}
.py-3 {
  padding: 2.5rem 0;
}

.p-1 {
  padding: 1.5rem;
}
.p-2 {
  padding: 2rem;
}
.p-3 {
  padding: 2.5rem;
}

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

.bg-primary {
  background: var(--primary-color);
  color: var(--light-color);
}

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

.text-primary {
  color: var(--primary-color);
}

.text-center {
  text-align: center;
}

.heading-lg {
  font-size: 5rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.heading-md {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.lead {
  font-size: 1.75rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-block;
  background: var(--primary-color);
  color: var(--light-color);
  border: none;
  padding: 0.5rem 2rem;
  border-radius: 0.75rem;
}

.btn:hover {
  background: var(--primary-color);
}

.btn-dark {
  background: var(--dark-color);
  color: var(--light-color);
}

.list {
  margin: 0.5rem 0;
  list-style: none;
}

.list li {
  padding: 0.5rem 0;
  border-bottom: var(--grey-color) dotted 1px;
}

/* NAVBAR */
nav {
  display: flex;
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  background: var(--dark-color);
  color: var(--light-color);
  justify-content: space-between;
  padding: 1rem;
  /* z-index: 1; */
}

nav ul {
  display: flex;
  align-items: center;
  list-style: none;
}

nav ul li a {
  color: var(--light-color);
  margin: 0 0.25rem;
  padding: 0.75rem;
}

nav ul li a:hover {
  background: var(--primary-color);
  border-radius: 0.25rem;
}

/* HERO */
#hero {
  background: var(--dark-color) url('../img/hero.jpg') no-repeat center
    center/cover;
  height: 100vh;
  color: var(--light-color);
}

#hero .hero-content {
  display: flex;
  flex-direction: column;
  text-align: center;
  justify-content: center;
  height: 100%;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.55);
}

#hero .hero-content p {
  max-width: 80%;
}

/* SERVICES */
#services h2 {
  margin-top: 1rem;
}

#services .items {
  display: flex;
  padding: 1rem;
}

#services .items .item {
  flex: 1;
  text-align: center;
  padding: 1rem;
}

#services .items .item i {
  background: var(--primary-color);
  border-radius: 50%;
  padding: 1rem;
  margin-bottom: 1rem;
}

/* ABOUT */
#about {
  display: flex;
}

#about div {
  /* flex: 1; */
  flex-basis: 50%;
}

#about .about-img {
  background: url('../img/about.jpg') no-repeat center center/cover;
}

#about .about-info p {
  margin-bottom: 2rem;
}

/* CLIENTS */
#clients h2 {
  margin-top: 1rem;
}

#clients .items {
  display: flex;
}

#clients .items img {
  display: block;
  margin: auto;
  width: 75%;
}

/* CONTACT */
#contact {
  display: flex;
}

#contact .contact-form,
#map {
  flex: 1;
  flex-basis: 50%;
}

#contact .contact-form .form-group {
  margin: 0.75rem;
}

#contact .contact-form label {
  display: block;
}

#contact .contact-form input,
#contact .contact-form textarea {
  width: 100%;
  padding: 0.5rem;
}

footer {
  padding: 0.25rem;
}