:root {
  --white: #fff;

  --gray-50: #F7FAFC;
  --gray-100: #EDF2F7;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E0;
  --gray-400: #A0AEC0;
  --gray-500: #718096;
  --gray-600: #4A5568;
  --gray-700: #2D3748;
  --gray-800: #1A202C;

  --blue-500: #4299E1;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
}

html, body {
  height: 100%;
}

body {
  background: var(--gray-50);
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  font-weight: 400;
}

main {
  padding: 1rem;
  max-width: 1200px;

  margin:  0 auto;
}

/* Utils */

.center {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Header */

.header .logo {
  max-width: 300px;
  padding: 1rem;
}

.header .logo img {
  width: 100%;
}

/* Button Link */

.button-link {
  display: flex;
  justify-content: center;
  align-items: center;

  background: var(--white);
  padding: 1rem 2rem;

  border: 2px solid var(--gray-300);
  border-radius: 4px;

  transition: border-color 0.2s ease;
}

.button-link:hover {
  border-color: var(--blue-500);
}

.button-link:focus {
  outline-color: var(--blue-500);
}

.button-link .icon > i {
  font-size: 1.3rem;
  color: var(--gray-600);
}

.button-link > span {
  display: block;
  font-size: 1.05rem;
  font-weight: 500;
  margin-left: 0.35rem;
  margin-bottom: 2px;
  color: var(--gray-700);
}

/* Flex */

.content-flex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 1rem;
  row-gap: 2rem;
}

.item {
  flex: 1;
}

.content-flex .item > h3 {
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
  font-weight: 500;
  text-align: center;
  color: var(--gray-600);
}

.item-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.item-content-full {
  grid-column: 1 / 3;
}

/* Title */

.page-title {
  /* margin-top: 1rem; */
  margin-bottom: 1.5rem;
  font-size: 2rem;
  font-weight: 500;
  color: var(--gray-600);

  text-align: center;
}

@media (max-width: 1024px) {
  .content-flex {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 425px) {
  .item-content {
    grid-template-columns: 1fr;
  }

  .item-content-full {
    grid-column: initial;
  }
}