body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #a9c9ff;
  background-image: linear-gradient(
    180deg,
    #a9c9ff 0%,
    #a9c9ff 50%,
    #ffbbec 100%
  );
  color: #000;
}

#paper-back {
  width: 20%;
  height: 100vh;
  background-color: #a9c9ff;
  background-image: linear-gradient(180deg, #ffbbec 0%, #a9c9ff 100%);
  position: fixed;
  top: 0;
  left: 0;
  font-size: 33px;
}

#paper-back nav {
  padding: 60px 34px;
}
#paper-back nav a {
  display: block;
  margin-bottom: 25px;
  text-decoration: none;
  color: rgba(0, 0, 0, 2);
}
body.dark-mode #paper-front {
  box-shadow: 0 0 20px rgba(255, 2, 2, 0.7);
}
body.dark-mode #paper-back {
  background-color: black;
  background-image: none;
}
body.dark-mode #paper-back nav a {
  color: white;
}
#paper-window {
  height: 100vh;
  width: 100vw;
  position: relative;
  overflow-x: hidden;
  overflow-y: scroll;
  z-index: 2;
}
#paper-window.tilt {
  overflow: hidden;
  pointer-events: none;
}
#paper-window.tilt #paper-front {
  transform: rotate(10deg) translateZ(0);
}
body.dark-mode #paper-front {
  background-color: #000;
  background-image: none;
}
#paper-front {
  pointer-events: auto;
  position: relative;
  z-index: 3;
  background-color: #a9c9ff;
  background-image: linear-gradient(
    180deg,
    #a9c9ff 0%,
    #ffbbec 20%
  );
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
  transform-origin: center 70%;
  transition: all 0.3s ease;
}
#container section:nth-of-type(2n) {
  background-color: #edf1f5;
}

.hamburger {
  position: absolute;
  z-index: 4;
  top: 30px;
  left: 30px;
  width: 45px;
  height: 34px;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.hamburger span {
  position: relative;
}

body.dark-mode .hamburger span {
  background-color: white;
}
body.dark-mode .hamburger span:before {
  background-color: white;
}
body.dark-mode .hamburger span:after {
  background-color: white;
}

.hamburger span,
.hamburger span:before,
.hamburger span:after {
  display: block;
  width: 45px;
  height: 6px;
  background-color: #000000;
  border-radius: 2px;
}
.hamburger span:before,
.hamburger span:after {
  content: "";
  position: absolute;
}
.hamburger span:before {
  bottom: -14px;
}
.hamburger span:after {
  bottom: -28px;
}

.close {
  position: fixed;
  top: 30px;
  left: 30px;
  width: 45px;
  height: 34px;
  cursor: pointer;
}

body.dark-mode .close:before {
  background-color: white;
}
body.dark-mode .close:after {
  background-color: white;
}
.close:before,
.close:after {
  content: "";
  position: absolute;
  display: block;
  width: 45px;
  height: 6px;
  top: 50%;
  background-color: rgb(0, 0, 0);
  border-radius: 2px;
}
.close:before {
  transform: translateY(-50%) rotate(45deg);
}
.close:after {
  transform: translateY(-50%) rotate(-45deg);
}

#container section {
  height: 600px;
  text-align: center;
}
#container section:first-of-type {
  padding-top: 10vh;
}
#container section:first-of-type h1 {
  font-size: 45px;
}
#container section:first-of-type p {
  font-size: 25px;
}

.logo {
  max-width: 150px;
  margin-left: 40px;
  margin-right: 40px;
  margin-bottom: 50px;
  margin-top: 5px;
}

body.dark-mode {
  background-color: #000000;
  background-image: none;
  color: #fff;
}
.header-animation {
  text-align: center;
  animation: slideInDown 3s ease-out;
}
nav {
  background-color: #a9c9ff;
  background-image: linear-gradient(180deg, #a9c9ff 0%, #ffbbec 100%);
  color: #000000;
  text-align: center;
  padding: 10px 0;
}
body.dark-mode footer {
  background-color: #000000;
  background-image: none;
}

body.dark-mode nav {
  background-image: none;
  background-color: #000000;
}

.main-gradient {
  background-color: #74ebd5;
  background-color: #a9c9ff;
  background-image: linear-gradient(360deg, #a9c9ff 0%, #ffbbec 100%);
  padding: 40px;
  color: #070707;
}

body.dark-mode .main-gradient {
  background-color: #000000;
  background-image: none;
  color: #ddd;
}
body.dark-mode .footer-animation {
  background-color: #000000;
  color: #ffffff;
}

@keyframes slideInDown {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInUp {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInUp {
  0% {
    transform: translateY(20px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}
section li {
  font-weight:500;
}
header h1 {
  font-size: 2.5rem;
  margin: 0;
}

header p {
  font-size: 1.2rem;
}

main {
  padding: 20px;
}

section {
  margin-bottom: 40px;
}

section h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

section p {
  font-size: 1.1rem;
  font-weight:500;
  line-height: 1.8;
}
.glow-on-hover {
 
  width: 250px;
  height: 70px;
  border: none;
  outline: none;
  color: #fff;
  background: rgba(17, 17, 17, 0.5); 
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 10px; 
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px !important;
  margin: auto;
  text-align: center;
}


.glow-on-hover:before {
  content: '';
  background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
  position: absolute;
  top: -2px;
  left:-2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 0;
  transition: opacity .3s ease-in-out;
  border-radius: 10px;
}

.glow-on-hover:active {
  color: #000
}

.glow-on-hover:active:after {
  background: transparent;
}

.glow-on-hover:hover:before {
  opacity: 1;
}

.glow-on-hover:after {
  z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 10px;
}

@keyframes glowing {
  0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}


.footer-animation {
  background: #000000;
  color: #fff;
  padding: 20px 0;
  text-align: center;
  position: relative;
  bottom: 0;
  width: 100%;
  height: auto;
  animation: slideInUp 5s ease-out;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: flex-start;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  flex: 1;
  margin: 30px;
}

.footer-logo-img {
  width: 100px;
  height: auto;
  margin-bottom: 10px;
}

.footer-links,
.footer-contact,
.footer-newsletter {
  flex: 1;
  margin: 20px;
}

.footer-links h4,
.footer-contact h4,
.footer-newsletter h4 {
  margin-bottom: 10px;
  font-size: 1.2em;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links ul li {
  margin: 5px 0;
}

.footer-links ul li a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links ul li a:hover {
  color: #ffd700;
}

.footer-contact p {
  margin: 5px 0;
}

.footer-social a img {
  width: 30px;
  height: 30px;
  margin: 0 5px;
  transition: transform 0.3s;
}

.footer-social a img:hover {
  transform: scale(1.1);
}

.footer-newsletter form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-newsletter input {
  text-align: center;
  padding: 10px;
  margin-bottom: 10px;
  width: 80%;
  border: none;
  border-radius: 5px;
  align-self: center;
}

.footer-newsletter button {
  align-self: center;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  background-color: #ffd700;
  color: #333;
  cursor: pointer;
  transition: background-color 0.3s;
}

.footer-newsletter button:hover {
  background-color: #ffa500;
}



/* ------------------------------------------MY Media Queries-------------------------------------------------------------------------- */
@media all and (max-width: 1024px) {
  div.container {
    flex-direction: column;
    height: 100%;
  }
  div.grid {
    margin: 20px auto;
    width: 400px;
    height: 400px;
    display: grid;
    grid-template-columns: 200px 200px;
    grid-row: auto auto;
    grid-column-gap: 5px;
    grid-row-gap: 5px;
  }
}
@media screen and (max-width: 2100px) {
  #paper-back {
    width: 15%;
    margin-top: 50px;
  }
}
@media screen and (max-width: 1366px) {
  #paper-back {
    width: 20%;
    margin-top: 50px;
  }
}

@media screen and (max-width: 1200px) {
  #paper-back {
    width: 25%;
    margin-top: 50px;
  }
}
@media screen and (max-width: 1024px) {
  #paper-back {
    width: 35%;
    margin-top: 50px;
  }
}
@media screen and (max-width: 768px) {
  #paper-back {
    width: 40%;
    margin-top: 50px;
  }
}

@media (max-width: 600px) {
  #paper-back {
    width: 60%;
    margin-top: 50px;
  }

  #container section:first-of-type {
    padding-top: 15vh;
  }
  #container section:first-of-type h1 {
    font-size: 30px;
  }
  #container section:first-of-type p {
    font-size: 18px;
  }
}
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1rem;
  }

  nav ul li a {
    padding: 8px 16px;
  }

  main {
    padding: 10px;
  }

  section h2 {
    font-size: 1.8rem;
  }

  section p {
    font-size: 1rem;
  }
}

@media (max-width: 450px) {
  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1rem;
  }

  nav ul li a {
    padding: 8px 16px;
  }

  main {
    padding: 10px;
  }

  section h2 {
    font-size: 1.8rem;
  }

  section p {
    font-size: 1rem;
  }
}