@import url("https://fonts.cdnfonts.com/css/pp-neue-montreal");

:root {
  --color-text: #332211;
  --color-bg: #111111;
  --font-primary: "PP Neue Montreal", sans-serif;
  --padding: 2rem;
  --grid-gutter: 1rem;
  --card-size: min(
    calc((100vh - 6 * var(--padding)) / 3),
    calc((100vw - 6 * var(--padding)) / 3)
  );
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-primary);
}

body {
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  letter-spacing: -0.02em;
  z-index: 0;
}

/* Background noise effect */
body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: transparent
    url("http://assets.iceable.com/img/noise-transparent.png") repeat 0 0;
  background-size: 300px 300px;
  -webkit-animation: noise-animation 0.3s steps(5) infinite;
          animation: noise-animation 0.3s steps(5) infinite;
  opacity: 0.65;
  will-change: transform;
  z-index: 500;
  pointer-events: none;
}

@-webkit-keyframes noise-animation {
  0% {
    transform: translate(0, 0);
  }
  10% {
    transform: translate(-5%, -5%);
  }
  20% {
    transform: translate(-10%, 5%);
  }
  30% {
    transform: translate(5%, -10%);
  }
  40% {
    transform: translate(-5%, 15%);
  }
  50% {
    transform: translate(-10%, 5%);
  }
  60% {
    transform: translate(15%, 0);
  }
  70% {
    transform: translate(0, 10%);
  }
  80% {
    transform: translate(-15%, 0);
  }
  90% {
    transform: translate(10%, 5%);
  }
  100% {
    transform: translate(5%, 0);
  }
}

@keyframes noise-animation {
  0% {
    transform: translate(0, 0);
  }
  10% {
    transform: translate(-5%, -5%);
  }
  20% {
    transform: translate(-10%, 5%);
  }
  30% {
    transform: translate(5%, -10%);
  }
  40% {
    transform: translate(-5%, 15%);
  }
  50% {
    transform: translate(-10%, 5%);
  }
  60% {
    transform: translate(15%, 0);
  }
  70% {
    transform: translate(0, 10%);
  }
  80% {
    transform: translate(-15%, 0);
  }
  90% {
    transform: translate(10%, 5%);
  }
  100% {
    transform: translate(5%, 0);
  }
}

/* Dust/Scratches background effect for the entire site */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("https://img.freepik.com/premium-photo/white-dust-scratches-black-background_279525-2.jpg?w=640");
  background-repeat: repeat;
  opacity: 0.08;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 1;
}

.grid-container {
  width: calc(3 * var(--card-size) + 2 * var(--grid-gutter));
  height: calc(3 * var(--card-size) + 2 * var(--grid-gutter));
  position: relative;
}

/* Card styling */
.card {
  position: absolute;
  width: var(--card-size);
  height: var(--card-size);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  cursor: pointer;
  top: 50%;
  left: 50%;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.6);
  visibility: hidden;
}

.card-5 {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  visibility: visible;
  z-index: 10;
}

.card img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

.card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  color: white;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.9),
    rgba(0, 0, 0, 0.1) 90%,
    rgba(0, 0, 0, 0)
  );
}

.card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.card p {
  font-size: 0.825rem;
  opacity: 1;
}

/* Card flip styling */
.card-7 {
  perspective: 1000px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.01s;
  transform-style: preserve-3d;
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  border-radius: 8px;
  overflow: hidden;
}

.card-front {
  z-index: 2;
}

.card-back {
  transform: rotateY(180deg);
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.quote {
  color: white;
  text-align: left;
  max-width: 90%;
}

.quote p {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  font-weight: 300;
}

.author {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
}

.categories {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 200;
}

.category {
  color: white;
  border-radius: 20px;
  padding: 0.5rem 0.9rem;
  font-size: 0.825rem;
  opacity: 0;
  cursor: pointer;
  white-space: nowrap;
  transform: translateY(20px);
  visibility: hidden;
}

.category:nth-child(1) {
  background: rgb(61, 61, 61);
}

.category:nth-child(2) {
  background: rgb(54, 54, 54);
}

.category:nth-child(3) {
  background: rgb(46, 46, 46);
}

.category:nth-child(4) {
  background: rgb(38, 38, 38);
}

.category:nth-child(5) {
  background: rgb(31, 31, 31);
}

.category:nth-child(6) {
  background: rgb(23, 23, 23);
}

.category:nth-child(7) {
  background: rgb(15, 15, 15);
}

.category:nth-child(8) {
  background: rgb(8, 8, 8);
}

.logo {
  position: fixed;
  left: 30px;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 2rem;
  font-weight: 600;
  text-decoration: none;
  z-index: 100;
  text-transform: uppercase;
  display: flex;
}

.logo-wrapper {
  position: relative;
  display: flex;
}

.logo .char {
  display: inline-block;
  transition: opacity 0.4s ease, filter 0.4s ease;
  filter: blur(0px);
}

.logo .spacer {
  width: 0.5em;
  display: inline-block;
}

/* Area for tracking hover state */
.interactive-area {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

/* Mysterious message styling */
.mysterious-message {
  position: fixed;
  left: 30px;
  bottom: 30px;
  color: rgba(255, 255, 255, 1);
  font-size: 0.75rem;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.grid-container:hover ~ .mysterious-message {
  opacity: 1;
}

@media (max-width: 1200px) {
  :root {
    --padding: 1.5rem;
    --gutter: 0.8rem;
  }

  .card h2 {
    font-size: 1.1rem;
  }

  .logo {
    font-size: 1.8rem;
  }

  .mysterious-message {
    font-size: 0.825rem;
    left: 25px;
    bottom: 25px;
  }
}

@media (max-width: 992px) {
  :root {
    --padding: 1.2rem;
    --gutter: 0.6rem;
  }

  .card-content {
    padding: 1.2rem;
  }

  .card h2 {
    font-size: 1rem;
  }

  .categories {
    right: 20px;
  }

  .category {
    padding: 0.45rem 0.8rem;
    font-size: 0.825rem;
  }

  .logo {
    left: 20px;
    font-size: 1.5rem;
  }

  .mysterious-message {
    font-size: 0.75rem;
    left: 20px;
    bottom: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --padding: 1rem;
    --gutter: 0.5rem;
  }

  .card-content {
    padding: 1rem;
  }

  .card h2 {
    font-size: 0.9rem;
    margin-bottom: 0.15rem;
  }

  .card p {
    font-size: 0.75rem;
  }

  .categories {
    right: 15px;
  }

  .category {
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }

  .logo {
    left: 15px;
    font-size: 1.2rem;
  }

  .mysterious-message {
    font-size: 0.75rem;
    left: 15px;
    bottom: 15px;
  }
}

@media (max-width: 576px) {
  :root {
    --padding: 0.8rem;
    --gutter: 0.4rem;
  }

  .card-content {
    padding: 0.8rem;
  }

  .card h2 {
    font-size: 0.8rem;
  }

  .card p {
    font-size: 0.65rem;
  }

  .categories {
    right: 10px;
  }

  .category {
    padding: 0.35rem 0.6rem;
    font-size: 0.7rem;
  }

  .logo {
    left: 10px;
    font-size: 1rem;
  }

  .mysterious-message {
    font-size: 0.65rem;
    left: 10px;
    bottom: 10px;
  }
}