/* RESET */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: #ffffff;
  color: #333333;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.6;
}


/* IMAGES */

img {
  max-width: 100%;
  height: auto;
  display: block;
}


/* LINKS */

a {
  color: inherit;
}


/* MAIN */

#main-content {
  width: 100%;
}


/* SITE HEADER */

.site-header {
  text-align: center;
  padding: 55px 20px 28px;
  background: #ffffff;
}

.site-logo {
  display: inline-block;
  margin-bottom: 45px;
}

.site-logo img {
  width: 450px;
  height: auto;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 44px;
  font-size: 14px;
  letter-spacing: 0.04em;
}

.site-nav a {
  color: #555555;
  text-decoration: none;
}

.site-nav a:hover {
  text-decoration: underline;
}


/* HOME HERO */

.home-hero {
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

.home-hero a {
  display: block;
}

.home-hero-image {
  width: 100%;
  height: auto;
}


/* HOME INTRO */

.home-intro {
  max-width: 1920px;
  margin: 0 auto;
  padding: 60px 20px 50px;
}

.home-intro-content {
  max-width: 1920px;
  margin: 0 auto;
  text-align: center;
}

.home-intro h1 {
  margin: 0 0 22px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: #222222;
}

.home-intro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: #444444;
}


/* POPULAR VIDEOS */

.popular-videos {
  width: 100%;
  padding: 54px 0 64px;
  background-color: #f5f5f5;
}

.popular-videos-intro,
.popular-videos-outro {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.popular-videos-intro {
  padding-bottom: 34px;
}

.popular-videos-outro {
  margin-top: 34px;
}

.popular-videos-intro p,
.popular-videos-outro p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: #444444;
}

.popular-videos-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 15px;
}

.popular-video-block {
  width: 50%;
  padding: 5px;
  text-align: center;
}

.popular-video-block a {
  display: block;
  position: relative;
  color: inherit;
  text-decoration: none;
}

.popular-video-block img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.popular-video-block div {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 12px 10px;
  background-color: rgba(0, 0, 0, 0.35);
  color: #ffffff;
  font-size: 17px;
  line-height: 1.35;
}


/* SITE FOOTER */

.site-footer-simple {
  padding: 36px 20px;
  text-align: center;
  background: #ffffff;
  color: #666666;
  font-size: 14px;
}

.site-footer-simple p {
  margin: 0;
}


/* MOBILE */

@media (max-width: 700px) {

  .site-header {
    padding: 42px 18px 28px;
  }

  .site-logo {
    margin-bottom: 36px;
  }

  .site-logo img {
    width: 340px;
  }

  .site-nav {
    gap: 20px;
    font-size: 15px;
    letter-spacing: 0.08em;
  }

  .home-intro {
    padding: 38px 24px 56px;
  }

  .home-intro h1 {
    font-size: 22px;
  }

  .home-intro p {
    font-size: 16px;
    line-height: 1.85;
  }

  .popular-videos {
    padding: 44px 0 54px;
  }

  .popular-video-block {
    width: 100%;
  }

  .popular-video-block div {
    font-size: 16px;
  }

}