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

h1,
h2,
h3,
h4,
h5,
h6 { font-weight: 700;}

.c1 {color: #00264d ;}
.c2 {color: #e6005c;}

hr { max-width: 15rem; padding: 0; text-align: center; border: none; border-top: solid 0.25rem; margin-top: 2.5rem; margin-bottom: 2.5rem;}

hr.c1 {border-color: #00264d ;}
hr.c2 {border-color: #e6005c;}
hr.gray {border-color: #343a40;}
hr.white {border-color: #fff;}

section { padding: 6rem 0;}
section h2 { font-size: 2.25rem; line-height: 2rem;}


/* buttony, odkazy */
.btn-xl { padding: 1rem 1.75rem; font-size: 1.25rem;}
.btn-social { width: 3.25rem; height: 3.25rem; font-size: 1.25rem; line-height: 2rem;}
.scroll-to-top { z-index: 1042; right: 1rem; bottom: 1rem; display: none;}
.scroll-to-top a { width: 3.5rem; height: 3.5rem; background-color: rgba(33, 37, 41, 0.5); line-height: 3.1rem;}

/* navigace */
#mainNav { padding-top: 1rem; padding-bottom: 1rem; font-weight: 700; font-family: 'Roboto'; background: #00264d;}
#mainNav .navbar-brand { color: #fff;}
#mainNav .navbar-nav { margin-top: 1rem; letter-spacing: 0.0625rem;}

#mainNav .navbar-nav li.nav-item a.nav-link { color: #fff;}

#mainNav .navbar-nav li.nav-item a.nav-link:hover { color: #e6005c;}

#mainNav .navbar-nav li.nav-item a.nav-link:active, #mainNav .navbar-nav li.nav-item a.nav-link:focus {  color: #fff;}

#mainNav .navbar-nav li.nav-item a.nav-link.active { color: #e6005c;}

#mainNav .navbar-toggler { font-size: 80%; padding: 0.8rem;}



header.masthead {
  padding-top: calc(6rem + 72px);
  padding-bottom: 6rem;
}

header.masthead h1 {
  font-size: 3rem;
  line-height: 3rem;
}

header.masthead h2 {
  font-size: 1.3rem;
  font-family: 'Roboto';
}

@media (min-width: 992px) {
  header.masthead {
    padding-top: calc(6rem + 106px);
    padding-bottom: 6rem;
  }
  header.masthead h1 {
    font-size: 4.75em;
    line-height: 4rem;
    color: #e6005c;
  }
  header.masthead h2 {
    font-size: 1.75em;
  }
}

.portfolio {
  margin-bottom: -15px;
}

.portfolio .portfolio-item {
  position: relative;
  display: block;
  max-width: 25rem;
  margin-bottom: 15px;
}

.portfolio .portfolio-item .portfolio-item-caption {
  -webkit-transition: all ease 0.5s;
  -moz-transition: all ease 0.5s;
  transition: all ease 0.5s;
  opacity: 0;
  background-color: rgba(24, 188, 156, 0.9);
}

.portfolio .portfolio-item .portfolio-item-caption:hover {
  opacity: 1;
}

.portfolio .portfolio-item .portfolio-item-caption .portfolio-item-caption-content {
  font-size: 1.5rem;
}

@media (min-width: 576px) {
  .portfolio {
    margin-bottom: -30px;
  }
  .portfolio .portfolio-item {
    margin-bottom: 30px;
  }
}

.portfolio-modal .portfolio-modal-dialog {
  padding: 3rem 1rem;
  min-height: calc(100vh - 2rem);
  margin: 1rem calc(1rem - 8px);
  position: relative;
  z-index: 2;
  -moz-box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
  -webkit-box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 3rem 1rem rgba(0, 0, 0, 0.5);
}

.portfolio-modal .portfolio-modal-dialog .close-button { position: absolute; top: 2rem; right: 2rem;}

.portfolio-modal .portfolio-modal-dialog .close-button i { line-height: 38px;}

.portfolio-modal .portfolio-modal-dialog h2 { font-size: 2rem;}

@media (min-width: 768px) {
  .portfolio-modal .portfolio-modal-dialog {
    min-height: 100vh;
    padding: 5rem;
    margin: 3rem calc(3rem - 8px);
  }
  .portfolio-modal .portfolio-modal-dialog h2 {
    font-size: 3rem;
  }
}

.floating-label-form-group {
  position: relative;
  border-bottom: 1px solid #e9ecef;
}

.floating-label-form-group input,
.floating-label-form-group textarea {
  font-size: 1.5em;
  position: relative;
  z-index: 1;
  padding-right: 0;
  padding-left: 0;
  resize: none;
  border: none;
  border-radius: 0;
  background: none;
  box-shadow: none !important;
}

.floating-label-form-group label {
  font-size: 0.85em;
  line-height: 1.764705882em;
  position: relative;
  z-index: 0;
  top: 2em;
  display: block;
  margin: 0;
  -webkit-transition: top 0.3s ease, opacity 0.3s ease;
  -moz-transition: top 0.3s ease, opacity 0.3s ease;
  -ms-transition: top 0.3s ease, opacity 0.3s ease;
  transition: top 0.3s ease, opacity 0.3s ease;
  vertical-align: middle;
  vertical-align: baseline;
  opacity: 0;
}

.floating-label-form-group:not(:first-child) {
  padding-left: 14px;
  border-left: 1px solid #e9ecef;
}

.floating-label-form-group-with-value label {
  top: 0;
  opacity: 1;
}

.floating-label-form-group-with-focus label {
  color: #00264d;
}

form .row:first-child .floating-label-form-group {
  border-top: 1px solid #e9ecef;
}

.footer { padding-top: 5rem; padding-bottom: 5rem; background-color: #2C3E50; color: #fff;}
.footer a {color: #ffb3b3;}
.footer a:hover {color: #e6005c;}

.copyright { background-color: #1a252f;}

a {  color: #e6005c;}

a:focus, a:hover, a:active {  color: #99003d;}

.btn { border-width: 2px;}

.btn-primary { background-color: #e6005c; border-color: #e6005c;}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active { background-color: #99003d; border-color: #99003d;}

.btn-secondary { background-color: #2C3E50; border-color: #2C3E50;}

.btn-secondary:hover, .btn-secondary:focus, .btn-secondary:active { background-color: #1a252f; border-color: #1a252f;}

header { background: url('../img/branches-cold-frost-980025.jpg'); background-size: cover;background-attachment: fixed;}
#header img { display: inline-block; height: 100%; vertical-align: middle; margin: auto;}
#header > .row > div { margin: 20px 0;}
#klimatizace { background: url('../img/pexels-photo-579216.jpeg'); background-size: cover; background-attachment: fixed;}
#tepelna-cerpadla { background: url('../img/fire-orange-emergency-burning.jpg'); background-size: cover; background-attachment: fixed;}
#vzduchotechnika { background: url('../img/pexels-photo-296234.jpeg'); background-size: cover; background-attachment: fixed;}
.text-c1 {color: #00264d;}




@media (min-width: 992px) {
  #mainNav { padding-top: 1.5rem; padding-bottom: 1.5rem; -webkit-transition: padding-top 0.3s, padding-bottom 0.3s; -moz-transition: padding-top 0.3s, padding-bottom 0.3s; transition: padding-top 0.3s, padding-bottom 0.3s; }
  #mainNav .navbar-brand { font-size: 2em; -webkit-transition: font-size 0.3s; -moz-transition: font-size 0.3s; transition: font-size 0.3s; }
  #mainNav .navbar-nav { margin-top: 0; }
  #mainNav .navbar-nav > li.nav-item > a.nav-link.active { color: #fff; background: #e6005c; }
  #mainNav .navbar-nav > li.nav-item > a.nav-link.active:active,
  #mainNav .navbar-nav > li.nav-item > a.nav-link.active:focus,
  #mainNav .navbar-nav > li.nav-item > a.nav-link.active:hover { color: #fff; background: #e6005c;}
  #mainNav.navbar-shrink { padding-top: 0.5rem; padding-bottom: 0.5rem; }
  #mainNav.navbar-shrink .navbar-brand { font-size: 1.5em; }

  section h2 { font-size: 3rem; line-height: 2.5rem;}
}