/* default values starts */

html {
  scroll-behavior: smooth;
}

h1 {
  font-family: "Crimson Text", serif;
  text-transform: uppercase;
}

h2 {
  font-family: "Fira Mono", monospace;
  /* font-size: 1.5em; */
}

h3 {
  font-family: "Spartan", sans-serif;
  /* font-size: 1.25em; */
}

h4 {
  font-family: "Oxygen", sans-serif;
}

footer {
  text-align: center;
}

a {
  text-decoration: none;
  font-family: "georgia";
}

.headTitle {
  font-size: 2.25rem;
  font-family: "Righteous", cursive;
}

/* default values ends */

/* Preloading-Screen Starts */

.loader-wrapper {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #242f3f;
  display: flex;
  overflow: hidden;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.loader {
  display: inline-block;
  width: 30px;
  height: 30px;
  position: relative;
  border: 4px solid #edc7b7;
  animation: loader 2s infinite ease;
}
.loader-inner {
  vertical-align: top;
  display: inline-block;
  width: 100%;
  background-color: turquoise;
  animation: loader-inner 2s infinite ease-in;
}
@keyframes loader {
  0% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(180deg);
  }
  50% {
    transform: rotate(180deg);
  }
  75% {
    transform: rotate(360deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loader-inner {
  0% {
    height: 0%;
  }
  25% {
    height: 0%;
  }
  50% {
    height: 100%;
  }
  75% {
    height: 100%;
  }
  100% {
    height: 0%;
  }
}

/* Preloading-Screen Ends */

/* coloring mode=night starts */
.night h1 {
  color: white;
}

.night h2 {
  color: turquoise;
}

.night h3 {
  color: turquoise;
}
.night h4 {
  color: #999;
}

.night .headTitle {
  color: #66fcf1;
}

.night .section-intro .container h4 {
  color: turquoise;
}

.night .edu-class {
  color: #c5c6c7;
}

.night .section-intro,
.night .section-skills,
.night .section-courses,
.night .section-feedback {
  background-color: #1a1a1a;
}

.night .section-edu,
.night .section-projects,
.night .section-achiev {
  background-color: #0b0c10;
}

/* coloring mode=night ends */

/* coloring mode=day starts */
.day h3 {
  color: #ee4c7c;
}

.day .headTitle {
  color: #5d001e;
}

.day .section-intro .container h4 {
  color: #ac3b61;
}

.day.main .section-intro,
.day.main .section-skills,
.day.main .section-courses,
.day.main .section-feedback {
  background-color: #edc7b7;
}

.day.main .section-edu,
.day.main .section-projects,
.day.main .section-achiev {
  background-color: #ffcb9a;
}

.day.main h1 {
  color: #5d001e;
}

.day.main h2 {
  color: #9a1750;
}

.day h3,
.day .section-skills h4 li,
.day .edu-class h3,
.day .section-courses ul li,
.day .section-achiev h4 li {
  color: #ac3b61;
}

.day.main h4 {
  color: #ac3b61;
}

.day .section-courses .container h3,
.day .section-skills-wrapper div ul h4 {
  color: #1a1a1a;
}

.day .section-intro,
.day .section-skills,
.day .section-courses {
  background-color: transparent;
}

.day .section-edu,
.day .section-projects,
.day .section-achiev {
  background-color: transparent;
}

/* coloring mode=day ends */

/* other values */

.navbar {
  font-size: 20px;
}

#navbar {
  font-family: "Playfair Display", serif;
  background: #292826;
}

.navbar-brand {
  font-family: "Playfair Display SC", serif;
  width: 73%;
}

#index-brand {
  color: #f8e9a1;
  text-shadow: 0 0 1px black;
  font-size: 2rem;
}

#navbarNav .nav-item {
  color: #fffdd0;
  text-shadow: 0 0 1px black;
  /* background: rgba(0, 0, 0, 0.3); */
  font-weight: bold;
  font-family: georgia;
  margin: 0 0.5rem 0;
}

.nav-link:hover,
.nav-link:focus {
  background-color: #18aae4;
  border-radius: 0.5em;
}

.drop {
  color: #2980b9;
  cursor: pointer;
  transition: all 0.5s;
}

.dropdown {
  position: relative;
  display: inline-block;

  color: #2980b9;
  cursor: pointer;
  transition: 0.5s;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: rgba(137, 234, 247, 0.863);
  min-width: 200px;
  border-radius: 0.5em;
  padding: 5px;
  z-index: 1;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  transition: 0.5s;
}

.dropdown-content a {
  color: black;
  text-decoration: none;
  display: block;
}

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

/* day to night mode toggle start */

.switch {
  position: absolute;
  right: 1.75rem;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: white;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background: url(images/icons/sun.svg) no-repeat;
  background-size: 26px 26px;
  -webkit-transition: 0.7s;
  transition: 0.7s;
}

input:checked + .slider {
  background-color: #778899;
}

input:focus + .slider {
  box-shadow: 0 0 1px #bada55;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
  background: url(images/icons/moon.svg);
  background-size: 26px 26px;
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* day to night mode toggle end */

.scrolling-top {
  background-image: linear-gradient(
      rgba(0, 0, 0, 0.6),
      rgba(0, 0, 0, 0.3),
      rgba(0, 0, 0, 0.6)
    ),
    url(images/background/pc-conf.jpeg);

  width: 100%;
  height: 700px;
  position: absolute;
  top: 0;
  left: 0;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.welcome-msg {
  top: 40%;
  position: relative;
  display: flex;
  z-index: 4;
  flex-direction: column;
  justify-content: center;
  align-content: center;
}

.welcome-txt {
  font-family: "Lobster Two", cursive;
  font-size: 4rem;
  font-weight: bold;
  text-align: center;
  color: #fce205;
  margin: 0 auto;
  flex: 1;
}

.welcome-face img {
  margin: auto;
  text-align: center;
  display: block;
  flex: 1;
  width: 200px;
  height: auto;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.2);
}

.main {
  margin-top: 700px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-content: center;
}

.section-intro .container h4 {
  text-align: center;
  font-family: "Comfortaa", cursive;
}

.section-edu {
  text-align: center;
}

.edu-logo {
  height: 170px;
  width: auto;
  border-radius: 80px;
}

.edu-holder {
  display: flex;
  flex-direction: row;
  transition: left 0.5s;
}

.edu-holder div h3 {
  color: #c5c6c7;
}

.edu-class {
  flex: 1;
  padding: 10px 0;
  max-width: 400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.edu-class:hover,
.edu-class:focus {
  box-shadow: 0 64px 64px 0 rgba(0, 0, 0, 0.5);
  border-radius: 18px;
  transform: scale(1.05);
  transition: all 1s;
  background-color: rgba(56, 62, 87, 0.3);
}

.section-skills-wrapper {
  display: flex;
  flex-direction: row;
}

.section-skills-wrapper div ul h4 {
  color: #c5c6c7;
}

.skills-holder,
.lang-holder,
.tools-holder {
  flex: 1;
  max-width: 400px;
  transition: all 0.7s;
}

.skills-holder:hover,
.skills-holder:focus,
.lang-holder:hover,
.lang-holder:focus,
.tools-holder:hover,
.tools-holder:focus {
  border-radius: 18px;
  /* border: 2px solid red; */
}

.section-achiev {
  padding-bottom: 70px;
}

.section-achiev .container h4 {
  color: #c5c6c7;
}

.section-intro,
.section-edu,
.section-skills,
.section-projects,
.section-courses,
.section-achiev,
.section-feedback {
  padding: 2rem;
  margin: 0;
  flex: 1;
}

.section-courses .container h3 {
  color: #c5c6c7;
}

#more {
  display: none;
}

#btn,
#btn-cert,
#moreLed {
  color: white;
}

.certificates {
  padding-top: 5em;
  display: inline;
}

.thumbnail img {
  border: 1px solid rgba(0, 0, 0, 0.3);
  margin: 1rem;
  z-index: 1;
  transition: all 0.7s;
}

.certificates .row .thumbnail img:hover,
.certificates .row .thumbnail img:focus {
  transform: scale(2);
  position: relative;
  z-index: 2;
}

#lang-list,
#skills-list {
  list-style-type: none;
}

#lang-list {
  padding-bottom: 40px;
}

.feedback-wrapper {
  /* display: flex; */
  justify-content: center;
  align-items: center;
  flex-direction: row;
  max-width: 700px;
}

.feedback-element {
  flex: 1;
}

.feedback-body .form-control {
  min-height: 100px;
}

.footer > .copyright {
  font-size: 1rem;
}

.footer {
  background-color: #101820ff;
  min-height: 16px;
  padding-bottom: 20px;
  text-align: center;
  padding-top: 10px;
}

.footer span {
  font-size: 1.2rem;
  color: #c5c6c7;
  font-family: georgia;
  padding-left: 30px;
  padding-bottom: 20px;
}

.footer-icon img {
  width: 48px;
  height: 48px;
  margin: 0 10px;
}

.footer-icon img:hover {
  opacity: 0.7;
}

.footer-icon.linkedin img {
  filter: invert(45%) sepia(7%) saturate(4292%) hue-rotate(176deg)
    brightness(92%) contrast(82%);
}

.footer-icon.github img {
  filter: invert(100%) sepia(0%) saturate(722%) hue-rotate(206deg)
    brightness(116%) contrast(101%);
}

.footer-icon.twitter img {
  filter: invert(56%) sepia(40%) saturate(4200%) hue-rotate(162deg)
    brightness(96%) contrast(101%);
}

.footer-icon.quora img {
  filter: invert(16%) sepia(99%) saturate(2614%) hue-rotate(8deg)
    brightness(92%) contrast(104%);
}

@media (max-width: 600px) {
  .welcome-txt {
    font-size: 3rem;
  }

  #index-brand {
    width: 70%;
  }

  .headTitle {
    font-size: 1.75rem;
  }

  .main h2 {
    font-size: 1.5rem;
  }

  .main h3 {
    font-size: 1.25rem;
  }

  .main h4 {
    font-size: 1.15rem;
  }

  .section-intro .container h4 {
    font-size: 1.2rem;
  }

  .section-projects .container ul h4 {
    font-size: 1.2rem;
  }

  .section-courses .container h3 {
    color: #c5c6c7;
    font-size: 1.2rem;
  }

  .section-courses .container ul ol h4 {
    font-size: 1.2rem;
  }

  .section-achiev .container ul h4 {
    font-size: 1.2rem;
  }
}

@media only screen and (max-width: 700px) {
  .section-edu,
  .section-skills,
  .section-projects,
  .section-courses,
  .section-achiev {
    padding-top: 70px;
    padding-left: 20px;
  }

  .edu-holder {
    flex-direction: column;
  }

  .edu-class {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    max-width: 700px;
  }

  .edu-class-head {
    flex: 1;
  }

  .edu-class-body {
    flex: 3;
    top: 80%;
    bottom: 0;
  }

  .night .edu-class-body {
    border-left: 4px solid #39c9bb;
  }

  .day .edu-class-body {
    border-left: 4px solid #8a1448;
  }

  .edu-class-body a {
    display: none;
  }
}

@media (max-width: 900px) {
  .section-skills-wrapper {
    flex-direction: column;
  }
}

@media (max-height: 1024px) {
  .welcome-msg {
    top: 25%;
  }
}

@keyframes colourChanges {
  0% {
    color: #bada55;
    opacity: 0.5;
  }
  25% {
    color: red;
    opacity: 0.5;
  }
  50% {
    color: blue;
    opacity: 0.5;
  }
  75% {
    color: green;
    opacity: 0.5;
  }
  100% {
    color: yellow;
    opacity: 0.5;
  }
}