/*------------------------------*/
/* BASIC SETUP */
/*------------------------------*/

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background-color: #ffffff;
  color: #555;
  font-family: "Arial", sans-serif;
  font-weight: 300;
  font-size: 17px;
  text-rendering: optimizeLegibility;
}

.clearfix {
  zoom: 1;
}
.clearfix:after {
  content: ".";
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

/*------------------------------*/
/* REUSABLE COMPONENTS */
/*------------------------------*/

.row {
  max-width: 1140px;
  margin: 0 auto;
}

section {
  padding: 50px 0;
}

.box {
  padding: 2%;
}

/*----------HEADINGS-------*/
h1,
h2,
h3 {
  font-weight: 300;
  text-transform: uppercase;
}

h1 {
  margin-top: 0;
  margin-bottom: 20px;
  color: #fff;
  font-size: 240%;
  word-spacing: 4px;
  letter-spacing: 1px;
}

h2 {
  font-size: 180%;
  word-spacing: 2px;
  text-align: center;
  margin-bottom: 30px;
  letter-spacing: 1px;
}

h3 {
  font-size: 110%;
  margin-bottom: 15px;
}

h2:after {
  display: block;
  height: 2px;
  background: #1e5a92;
  content: " ";
  width: 100px;
  margin: 0 auto;
  margin-top: 30px;
}

/*----------LINKS-------*/

a:link,
a:visited {
  color: #1e5a92;
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid #1e5a92;
  transition: border-bottom 0.2s, color 0.2s;
}

a:hover,
a:active {
  color: rgb(80, 129, 192);
  border-bottom: 1px solid transparent;
}

/*----------BUTTON-------*/
.btn:link,
.btn:visited {
  display: inline-block;
  padding: 10px 30px;
  font-weight: 300;
  text-decoration: none;
  border-radius: 200px;
  transition: background-color 0.2s, border 0.2s, color 0.2s;
}

.btn-full:link,
.btn-full:visited {
  background-color: #1e5a92;
  border: 1px solid #1e5a92;
  color: #fff;
}

/*------------------------------*/
/* HEADER */
/*------------------------------*/

.hero-text-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 900px;
  background-image: url("./img/hero.jpeg");
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.logo {
  height: 150px;
  width: 150px;
}
.navbarbasic {
  width: 100%;
  position: sticky;
}

.navigation {
  display: flex;
  flex-wrap: nowrap;
  align-content: center;
  justify-content: space-between;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 9999;
}

.navigation ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 60%;
  margin-right: 50px;
  list-style-type: none !important;
}

.mylink {
  color: white !important;
  text-decoration: none !important;
  border-bottom: none !important;
  transition: none !important ;
  font-size: 1.43rem;
  /* padding: 20px; */
}
.mylink:visited {
  color: white !important;
}

.dropdown {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  overflow: auto;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.dropdown:hover > .dropdown-content {
  display: block;
  background-color: #5fa1c1;
}

.dropdown-content a {
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown a:hover {
  background-color: #ddd;
}

/*----------ΘΕΜΑΤΑ ΣΥΝΕΔΡΙΟΥ-------*/
.long-copy {
  line-height: 180%;
  width: 70%;
  margin-left: 15%;
}

.box p {
  font-size: 90%;
  line-height: 180%;
}

/*------------------------------*/
/* HOW TO */
/*------------------------------*/

.secondRow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.secondRow {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 400px;
}
.secondRow-img img {
  width: 350px;
  height: auto;
}

.secondRow-right {
  align-self: flex-start;
}

.secondRow-right p {
  padding: 20px;
}
/*------------------------------*/
/* SOCIAL MEDIA */
/*------------------------------*/

.box img {
  width: 10%;
  height: auto;
  margin-bottom: 5px;
}

.Social-feature {
  margin-bottom: 5px;
}

/*------------------------------*/
/*---------------CONTACT--------*/
/*------------------------------*/

.contact-form {
  border-radius: 5px;
  padding: 0 20%;
  width: 100%;
  margin: 50px 0;
}
.__text {
  text-align: center;
}
.contact-form label {
  color: black;
}
.contact-form form {
  background-color: #cfe7f3;
  padding: 5%;
  border-radius: 4px;
  margin-top: 2rem;
}
.contact-form form input[type="text"],
.contact-form form textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid grey;
  border-radius: 4px;
  box-sizing: border-box;
  margin-top: 6px;
  margin-bottom: 16px;
  resize: vertical;
}
.contact-form form .submit-button {
  background-color: #5fa1c1;
  color: white;
  padding: 12px 20px;
  border: 1px solid #5fa1c1;
  border-radius: 4px;
  cursor: pointer;
  width: 112px;
}
.contact-form form .submit-button:disabled,
.contact-form form .submit-button:disabled:hover {
  background-color: #33f;
  color: #fff;
}
.contact-form form .submit-button:hover {
  background-color: white;
  color: black;
}
.contact-form h2 {
  text-transform: uppercase;
  text-align: center;
  font-size: 1.6rem;
  margin: -20px 0px 20px 0;
}
.contact-form .__message {
  margin-left: 10px;
  color: black;
  font-size: 1.2rem;
  text-align: center;
}
.contact-form .__errors {
  margin-top: 1rem;
}
.contact__text {
  text-align: center;
  padding: 0 10%;
}
.contact__text p {
  margin: 15px 0;
  line-height: 1.6;
}

/*------------------------------*/
/* CALENDAR */
/*------------------------------*/

.calendar {
  text-align: center;
}

#calendar {
  max-width: 700px;
  margin: 20px auto;
}

/*------------------------------*/
/* FOOTER */
/*------------------------------*/

.section-footer {
  background-image: linear-gradient(rgba(0, 0, 0, 0.199), rgba(0, 0, 0, 0.267)),
    url(img/Back-footer.jpeg);
  background-size: cover;
  color: white;
  background-attachment: fixed;
  text-align: center;
}

cite {
  font-size: 90%;
  margin-top: 25px;
  display: block;
}