body {
  margin: 0;
  font-family: "Roboto", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: #555;
  background: #fff;
  overflow-x: hidden;
}

a {
  color: #dd3333;
  text-decoration: none;
}

a:hover {
  color: #dd3333;
}

.site-header {
  background: #333 url("/images/header.jpg") center / cover no-repeat;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

.nav-bar,
.branding-wrap,
.layout,
.copyright {
  box-sizing: border-box;
  max-width: 1050px;
  margin-left: auto;
  margin-right: auto;
}

.nav-bar {
  min-height: 45px;
  display: flex;
  justify-content: flex-end;
}

.nav-bar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.nav-bar a {
  display: block;
  padding: 0 20px;
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  line-height: 45px;
}

.nav-bar a:hover {
  color: #fff;
}

.branding {
  display: block;
  padding: 140px 10px 165px;
  text-align: center;
  color: #fff;
}

.branding:hover {
  color: #fff;
}

.site-title {
  margin: 0;
  font-size: 63px;
  font-weight: 900;
  line-height: 1.5;
  text-shadow: 2px 2px 9px rgba(0, 0, 0, 0.3);
}

.site-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  margin: 5px auto 15px;
  background: #fff;
}

.site-description {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.28);
}

.layout {
  display: flex;
  align-items: flex-start;
  gap: 2.84%;
  padding-top: 45px;
}

.article {
  width: 68.58%;
  max-width: 720px;
}

.page-title {
  margin: 0 0 10px;
  text-align: center;
}

.page-title h1 {
  margin: 0;
  color: #212121;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.3;
}

.page-title::after {
  content: "";
  display: block;
  width: 125px;
  height: 3px;
  margin: 15px auto 10px;
  background: #dd3333;
}

.article p {
  margin: 0 0 20px;
}

.portrait {
  float: left;
  width: 237px;
  height: auto;
  margin: 0.3em 1.571em 0.5em 0;
}

.button {
  display: inline-block;
  padding: calc(0.667em + 2px) calc(1.333em + 2px);
  background: #cf2e2e;
  color: #fff;
  font-size: 1.125em;
  line-height: inherit;
  border-radius: 0;
}

.button:hover {
  color: #fff;
}

.sidebar {
  width: 28.58%;
  max-width: 300px;
  margin-left: auto;
}

.book {
  display: block;
  width: 233px;
  max-width: 100%;
  height: auto;
}

.site-footer {
  clear: both;
  margin-top: 20px;
  background: #17141f;
}

.copyright {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 12px 10px 10px;
  border-top: 1px solid rgba(0, 0, 0, 0.12);
  background: rgba(0, 0, 0, 0.1);
  color: #828282;
  font-size: 14px;
  font-weight: 300;
  font-style: italic;
  text-align: center;
}

.copyright p {
  margin: 0;
}

@media screen and (max-width: 1100px) {
  .nav-bar,
  .branding-wrap,
  .layout {
    max-width: 96%;
  }
}

@media screen and (max-width: 865px) {
  .branding {
    padding: 80px 10px 105px;
  }

  .site-title {
    font-size: 38px;
  }

  .site-description {
    font-size: 16px;
  }
}

@media screen and (max-width: 720px) {
  .layout {
    display: block;
  }

  .article,
  .sidebar {
    width: 100%;
    max-width: none;
  }

  .sidebar {
    margin-top: 30px;
  }
}

@media screen and (max-width: 640px) {
  .page-title h1 {
    font-size: 24px;
  }

  .portrait {
    float: none;
    display: block;
    margin: 0 0 20px;
  }
}