@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&display=swap');

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

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

.container {
  max-width: 1050px;
  width: 90%;
  margin: auto;
}

.navbar {
  width: 100%;
  position: fixed; 
  top: 0; 
  z-index: 1000; 
  box-shadow: 0 1px 4px rgb(146 161 176 / 15%);
  background-color: rgba(255, 255, 255, 0.5);    
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 62px;
}

.navbar .menu-items {
  display: flex;
}

.navbar .nav-container li {
  list-style: none;
}

.navbar .nav-container a {
  text-decoration: none;
  color: #0e2431;
  font-weight: 500;
  font-size: 2.3rem;
  padding: 2rem;
}

.navbar .nav-container a:hover{
    font-weight: bolder;
}

.nav-container {
  display: block;
  position: relative;
  height: 60px;
}

.nav-container .checkbox {
  position: absolute;
  display: block;
  height: 32px;
  width: 32px;
  top: 20px;
  left: 20px;
  z-index: 5;
  opacity: 0;
  cursor: pointer;
}

.nav-container .hamburger-lines {
  display: block;
  height: 26px;
  width: 32px;
  position: absolute;
  top: 17px;
  left: 20px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-container .hamburger-lines .line {
  display: block;
  height: 4px;
  width: 100%;
  border-radius: 10px;
  background: #0e2431;
}

.nav-container .hamburger-lines .line1 {
  transform-origin: 0% 0%;
  transition: transform 0.4s ease-in-out;
}

.nav-container .hamburger-lines .line2 {
  transition: transform 0.2s ease-in-out;
}

.nav-container .hamburger-lines .line3 {
  transform-origin: 0% 100%;
  transition: transform 0.4s ease-in-out;
}

.navbar .menu-items {
  padding-top: 120px;
  box-shadow: inset 0 0 2000px rgba(255, 255, 255, .5);
  height: 100vh;
  width: 100%;
  transform: translate(-150%);
  display: flex;
  flex-direction: column;
  margin-left: -40px;
  padding-left: 50px;
  transition: transform 0.5s ease-in-out;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.7);
}

.navbar .menu-items li {
  margin-bottom: 1.2rem;
  font-size: 1.5rem;
  font-weight: 500;
}

.logo {
  position: absolute;
  top: 5px;
  right: 15px;
  font-size: 1.2rem;
  color: #0e2431;
}

.nav-container input[type="checkbox"]:checked ~ .menu-items {
  transform: translateX(0);
}

.nav-container input[type="checkbox"]:checked ~ .hamburger-lines .line1 {
  transform: rotate(45deg);
}

.nav-container input[type="checkbox"]:checked ~ .hamburger-lines .line2 {
  transform: scaleY(0);
}

.nav-container input[type="checkbox"]:checked ~ .hamburger-lines .line3 {
  transform: rotate(-45deg);
}

.nav-container input[type="checkbox"]:checked ~ .logo{
  display: none;
}


.gallery {
  --s: 30px; /* control the zig-zag size */
  
  display: grid;
  height: 350px;
  gap: 8px;
  grid-auto-flow: column;
  place-items: center;
}
.gallery > img {
  width: 0;
  min-width: calc(100% + var(--s));
  height: 0;
  min-height: 100%;
  object-fit: cover;
  --mask: 
    conic-gradient(from -135deg at right,#0000,#000 1deg 89deg,#0000 90deg) 
      100% calc(50% + var(--_p,0%))/51% calc(2*var(--s)) repeat-y,
    conic-gradient(from   45deg at left ,#0000,#000 1deg 89deg,#0000 90deg) 
        0% calc(50% + var(--_p,0%))/51% calc(2*var(--s)) repeat-y;
  -webkit-mask: var(--mask);
          mask: var(--mask);
  cursor: pointer;
  transition: .5s;
}
.gallery > img:nth-child(odd) {
  --_p: var(--s);
}
.gallery > img:hover {
  width: 15vw;
}

.gallery > img:first-child {
  min-width: calc(100% + var(--s)/2);
  place-self: start;
  --mask: 
    conic-gradient(from -135deg at right,#0000,#000 1deg 89deg,#0000 90deg) 
      0 calc(50% + var(--_p,0%))/100% calc(2*var(--s));
}
.gallery > img:last-child {
  min-width: calc(100% + var(--s)/2);
  place-self: end;
  --mask: 
    conic-gradient(from   45deg at left ,#0000,#000 1deg 89deg,#0000 90deg) 
       0 calc(50% + var(--_p,0%)) /100% calc(2*var(--s));
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  align-content: center;
  background: lightgrey;
}