/* nav specialized to landing page */
.logo {
/*  background: url('gumilogo.png') no-repeat;
  background-size: contain; */
  margin: 1rem 0 0 0.5rem; 
}

nav {
  background-color: var(--bg-color);
}

/* hero section */
.hero {
  text-align: center;
  background-color: var(--bg-color);
  padding: 2rem 0 10rem 0;
}

.hero__title {
  font-weight: 900;
  color: var(--primary-color);
}

.hero__description {
  margin: -1rem auto 2rem auto;
  max-width: 60%;
}

.hero__terminal {
  width: 60%;
  margin: -11rem auto 3rem auto;
  text-align: left;
  color: white;
  padding: 0 1rem;
  border-radius: 4px;
  background-color: #232323;
  min-height: 285px;
  animation: fadeUp 2s;
  box-shadow: 0px 12px 36.8px 9.2px rgba(0, 0, 0, 0.1);
}

.hero__terminal pre {
  white-space: pre-line;
  padding-top: 1rem;
}

/* feature section */
.feature {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content:space-around;
}

.feature__item {
	margin: 20px 0px;
	display: flex;
    align-items: stretch;
    max-width: calc(50% - 30px);
/*  margin: 0 30px 0 0;*/
}

.feature__item .section__title {
  margin-bottom: 0;
}

.feature__item p {
  margin-top: 0.5rem;
}

.btn-gradation {
  display: block;
  width: 350px;
  text-align: center;
  font-size: 16px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  padding: 20px 24px;
  border-radius: 4px;
  background-image: linear-gradient(-90deg, #FF006E, #FFD500);
  transition: .5s;
  background-size: 200%;
}

.btn-gradation2 {
  display: block;
  width: 350px;
  text-align: center;
  font-size: 16px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  padding: 20px 24px;
  border-radius: 4px;
  background-image: linear-gradient(-90deg, #5433FF, #20BDFF);
  transition: .5s;
  background-size: 200%;
}

.btn-gradation3 {
  display: block;
  width: 350px;
  text-align: center;
  font-size: 16px;
  color: #FFF;
  text-decoration: none;
  font-weight: bold;
  padding: 20px 24px;
  border-radius: 4px;
  background-image: linear-gradient(-90deg, #c7ebb4e9, #29e41c);
  transition: .5s;
  background-size: 200%;
}

  .btn-gradation:hover {
  background-position: right center;
}

/* keybinding section */
.keybinding {
  margin-top: 3rem;
  display: flex;
}

.keybinding__detail {
  position: relative;
  border: 1px solid var(--code-bg-color);
  flex-basis: 50%;
  padding: 2rem 1rem 1rem 1rem;
  list-style: none;
  line-height: 2rem;
}

.keybinding__detail:first-child {
  text-align: right;
  padding-right: 1rem;
}

.keybinding__detail:last-child {
  padding-left: 1rem;
  margin-left: -1px;
}

.keybinding__detail:first-child .keybinding__title {
  position: absolute;
  right: 0.5rem;
  top: -2rem;
  background-color: white;
  padding: 0 0.5rem;
}

.keybinding__detail:last-child .keybinding__title {
  position: absolute;
  left: 0.5rem;
  top: -2rem;
  background-color: white;
  padding: 0 0.5rem;
}

.keybinding__label {
  background: var(--white-color);
  border: 1px solid var(--light-gray-color);
  box-shadow: 0 1px 0 0 var(--medium-gray-color);
  border-radius: 3px;
  font-family: Courier;
  font-size: 0.7rem;
  color: var(--dark-gray-color);
  padding: 3px 3px 1px 3px;
  vertical-align: middle;
}

/* callout section */
.callout {
  text-align: center;
  padding: 1rem 0 3rem 0;
}

.callout .button--primary {
  display: inline-block;
  margin-top: 0.5rem;
}

/* changelog section */
.changelog {
  background-color: var(--bg-color);
  margin-top: 100px;
  padding: 2rem 0;
}

.changelog p {
	text-align: center;
}

.changelog__item {
  display: flex;
}

.changelog__meta {
  flex-basis: 25%;
}

.changelog__meta small {
  color: var(--primary-color-light);
  font-weight: 200;
  letter-spacing: 1px;
}

.changelog__title {
  margin-bottom: 0;
}

.changelog__callout {
  margin: 3rem auto 2rem auto;
  text-align: center;
}

@media (max-width: 750px) {
  .hero__terminal {
    width: 70%;
  }
  .tab__container > ul {
    right: auto;
    left: 0;
    padding-left: 0;
  }
  .tab__container .code {
    margin-top: 2rem;
  }
  .feature, .keybinding, .changelog__item {
    flex-direction: column;
  }
  .feature__item {
    max-width: 100%;
    margin: 0;
  }
  .keybinding {
    font-size: 0.8rem;
  }
}