body {
  font-family: "Josefin Sans", sans-serif;
  background: linear-gradient(to right,  #1d5564, #1f5060);
  color: white;
  margin: 0;
  padding: 0;
}

.background{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100dvh;
  z-index:-1000;
  background: url(background_plain_1.svg);
  background-repeat: repeat-y;
  background-size: 100%;
  filter: blur(4px);
}
.main-logo {
  height: 5.5rem;
  object-fit: cover;
  object-position: 0 50%;
}

.title {
  font-size: 5rem;
  padding: 1rem;
  margin-top: 0;
  margin-bottom: 0;
}

.register-button {
  font-family: "Righteous", sans-serif;
  text-decoration: none;
  position: relative;
  display: inline-block;
  border: none;
  background: transparent;
  padding: 0;
  outline: none;
  cursor: pointer;
}

.register-link {
  text-decoration: none;
  display: inline-block;
}

/* Shadow layer */
.register-button .shadow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 8px;
  transform: translateY(2px);
  transition: transform 600ms cubic-bezier(0.3, 0.7, 0.4, 1);
}

/* Edge layer */
.register-button .edge {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  background: linear-gradient(
    to left,
    hsl(217, 33%, 16%) 0%,
    hsl(217, 33%, 32%) 8%,
    hsl(217, 33%, 32%) 92%,
    hsl(217, 33%, 16%) 100%
  );
}

/* Front layer */
.register-button .front {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 1.25rem;
  color: white;
  background: hsl(217, 33%, 17%);
  border-radius: 8px;
  transform: translateY(-4px);
  transition: transform 600ms cubic-bezier(0.3, 0.7, 0.4, 1);
}

/* Hover and active states */
.register-button:hover .shadow {
  transform: translateY(4px);
  transition: transform 250ms cubic-bezier(0.3, 0.7, 0.4, 1.5);
}

.register-button:hover .front {
  transform: translateY(-6px);
  transition: transform 250ms cubic-bezier(0.3, 0.7, 0.4, 1.5);
}

.register-button:active .shadow {
  transform: translateY(1px);
  transition: transform 34ms;
}

.register-button:active .front {
  transform: translateY(-2px);
  transition: transform 34ms;
}

/* Disable text selection */
.register-button .front span {
  user-select: none;
}

.logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  flex-shrink: 0;
}
.logos img {
  width: 10rem;
  padding: 1rem;
}

a {
  color: whitesmoke;
  text-decoration-color: whitesmoke;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 6rem;
  background: linear-gradient(to top left, #22353a, #23444f);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 6px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: white;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  font-size: 1rem;
  white-space: nowrap;
  padding: 0rem 1rem 0rem 1rem;
  position: relative;
  z-index: 1001;
  transition: all 1s cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

nav a.active {
  color: #beedfb;
}

header {
  text-align: center;
  margin: 50px 0;
}

h1 {
  font-family: "Righteous", cursive;
}

main {
  text-align: center;
}

.register-button {
  font-family: "Righteous", sans-serif;
  text-decoration: none;
  position: relative;
  display: inline-block;
  border: none;
  background: transparent;
  padding: 0;
  outline: none;
  cursor: pointer;
}

#home {
  display: flex;
  align-items: center;
  text-align: center;
  flex-direction: column;
  padding-top: 8rem;
}

section {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: left;
}

section h2 {
  font-family: "Righteous", cursive;
  font-size: 2rem;
  display: flex;
  align-items: center;
  gap: 15px;
  padding-top: 5rem;
}

.section-cube {
  width: 44px;
  height: 44px;
  margin-right: 20px;
  flex-shrink: 0;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

.section-cube > div {
  background-color: #67b6ce33;
  height: 100%;
  position: absolute;
  width: 100%;
  border: 2px solid #67b6ce;
}

.section-cube div:nth-of-type(1) {
  transform: translateZ(-22px) rotateY(180deg);
}

.section-cube div:nth-of-type(2) {
  transform: rotateY(-270deg) translateX(50%);
  transform-origin: top right;
}

.section-cube div:nth-of-type(3) {
  transform: rotateY(270deg) translateX(-50%);
  transform-origin: center left;
}

.section-cube div:nth-of-type(4) {
  transform: rotateX(90deg) translateY(-50%);
  transform-origin: top center;
}

.section-cube div:nth-of-type(5) {
  transform: rotateX(-90deg) translateY(50%);
  transform-origin: bottom center;
}

.section-cube div:nth-of-type(6) {
  transform: translateZ(22px);
}

#schedule .section-cube {
  transform: rotateX(20deg) rotateY(40deg);
}

#participants .section-cube {
  transform: rotateX(20deg) rotateZ(30deg) rotateY(70deg);
}

#places .section-cube {
  transform: rotateZ(15deg) rotateX(45deg) rotateY(10deg);
}

section {
  font-size: 1.4rem;
  line-height: 1.6;
}

footer {
  text-align: center;
  padding: 20px;
  background: linear-gradient(to bottom right, #22353a, #0f1d22);
  font-size: 0.9rem;
}

.cube {
  position: absolute;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%) rotateX(45deg);
  transition: all 1.5s cubic-bezier(0.445, 0.05, 0.55, 0.95);
  transform-style: preserve-3d;
  z-index: 999;
  pointer-events: none;
}

.cube.home {
  transform: translate(-50%, -50%) rotateX(12deg) rotateY(24deg);
}
.cube.schedule {
  transform: translate(-50%, -50%) rotateX(200deg) rotateY(230deg);
}
.cube.participants {
  transform: translate(-50%, -50%) rotateX(10deg) rotateZ(15deg) rotateY(45deg);
}
.cube.places {
  transform: translate(-50%, -50%) rotateX(205deg) rotateY(210deg);
}

.cube > div {
  background-color: #67b6ce33;
  height: 100%;
  position: absolute;
  width: 100%;
  border: 2px solid #67b6ce;
}

.cube div:nth-of-type(1) {
  transform: translateZ(-22px) rotateY(180deg);
}

.cube div:nth-of-type(2) {
  transform: rotateY(-270deg) translateX(50%);
  transform-origin: top right;
}

.cube div:nth-of-type(3) {
  transform: rotateY(270deg) translateX(-50%);
  transform-origin: center left;
}

.cube div:nth-of-type(4) {
  transform: rotateX(90deg) translateY(-50%);
  transform-origin: top center;
}

.cube div:nth-of-type(5) {
  transform: rotateX(-90deg) translateY(50%);
  transform-origin: bottom center;
}

.cube div:nth-of-type(6) {
  transform: translateZ(22px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .title {
    font-size: 3rem;
  }

  nav {
    min-height: 7rem;
    overflow: visible;
  }

  .nav-container {
    position: relative;
    height: 100%;
    overflow: visible;
    /* flex-direction: row-reverse; */
  }

  .hamburger {
    display: flex;
    padding: 2rem;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: linear-gradient(to bottom right, #22353a, #0f1d22);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    width: 50%;
    order: 3;
  }

  .nav-menu.active {
    max-height: 300px;
  }

  .nav-menu li {
    width: 100%;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .nav-menu a {
    display: block;
    padding: 15px 20px;
    text-align: right;
  }

  .nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }

  .cube {
    width: 35px;
    height: 35px;
  }

  .cube > div {
    border: 1px solid #67b6ce;
  }

  header {
    margin: 20px 0;
  }

  h1 {
    font-size: 1.8rem;
    font-family: "Righteous", sans-serif;
  }

  section {
    padding: 20px;
  }

  section h2 {
    font-size: 1.5rem;
    gap: 10px;
  }

  .section-cube {
    width: 35px;
    height: 35px;
    margin-right: 15px;
  }
}

@media (max-width: 480px) {
  nav {
    overflow: visible;
  }

  .nav-container {
    padding: 10px;
    flex-wrap: wrap;
  }

  nav a {
    font-size: 0.85rem;
  }

  .nav-menu {
    top: 100%;
  }

  .nav-menu a {
    padding: 12px 15px;
  }

  .hamburger span {
    width: 22px;
    height: 2.5px;
  }

  .cube {
    width: 30px;
    height: 30px;
  }

  h1 {
    font-size: 1.3rem;
  }

  .title {
    font-size: 2.5rem;
    padding: 0.5rem;
  }

  section {
    padding: 15px;
  }

  section h2 {
    font-size: 1.5rem;
    gap: 8px;
    margin-bottom: 1.5rem;
  }

  .section-cube {
    width: 30px;
    height: 30px;
    margin-right: 10px;
  }

  section {
    font-size: 1.05rem;
  }

  footer {
    font-size: 1rem;
  }
}

/* @keyframes spinner-y0fdc1 {
 0% {
  transform: rotate(45deg) rotateX(-25deg) rotateY(25deg);
 }

 50% {
  transform: rotate(45deg) rotateX(-385deg) rotateY(25deg);
 }

 100% {
  transform: rotate(45deg) rotateX(-385deg) rotateY(385deg);
 }
} */