/* ---------------------- root & basics ---------------------- */

:root {
  --bg-color: #272727;
  --accent-color: #36aeea;
  --hamburger-menu-color: white;
  --text-lightGrey-color: #bebebe;
  --keywords-default-color: #d7d6d2;
  --keywords-hover-color: #0eebf5;
  --keywords-strike-color: #cfff04;
  --menu-dim: #bebebe;
  --cls-btn-color: #f4f1ec;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

html { background: #000; }

body {
  font-family: 'Cuprum', sans-serif;
  font-size: 15px;
  line-height: 1.5;
  background: none;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url(../img/home-bg-1920.jpg) top left / cover no-repeat;
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: #000;
  z-index: -1;
  pointer-events: none;

  opacity: 1;
  transition: opacity 700ms ease;
}

/* @media screen and (max-width: 480px) {
  body::before {
    background-image: url(../img/home-bg-1024.jpg);
  }
} */

body:not(.is-ready) .logo,
body:not(.is-ready) nav ul li a,
body:not(.is-ready) .keywords,
body:not(.is-ready) .nav-btn {
  animation: none !important;
  opacity: 0;
  transform: translateY(8px);
}

body.is-ready::after { opacity: 0; }

body.is-ready .logo { animation-delay: 150ms; }
body.is-ready nav ul li a { animation-delay: 300ms; }
body.is-ready .keywords { animation-delay: 350ms; }
body.is-ready .nav-btn { animation-delay: 150ms; }

img {
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  -webkit-touch-callout: none;
}

.hidden {
  display: none;
}

.visible-mobile {
  display: none;
}

@media screen and (max-width: 480px) {
  .visible-mobile {
    display: block;
  }

  .hidden-mobile {
    display: none;
  }

}

/* ---------------------- header ---------------------- */

nav {
  padding: 8px;
}

/* ---------------------- logo ---------------------- */

.logo {
  float: left;
  padding: 8px;
  margin-left: 9%;
  margin-top: 8px;
  position: relative;

  animation: logo-entry 1.2s cubic-bezier(.05, .7, .2, 1) .2s both;
  animation-delay: .2s;
}

.logo a {
  color: var(--accent-color);
  text-transform: uppercase;
  font-size: 32px;
  text-decoration: none;
}

@keyframes logo-entry {
  from {
    transform: translateX(-40px);
    letter-spacing: 5px;
    opacity: 0;
  }

  to {
    transform: translateX(0);
    letter-spacing: 2px;
    opacity: 100%;
  }
}

@media screen and (max-width: 864px) {
  .logo {
    padding: 2px;
    position: fixed;
  }
}

@media screen and (max-width: 480px) {
  .logo {
    margin-left: 5%;
  }
}

/* ---------------------- menu text ---------------------- */

nav ul {
  float: right;
  margin-right: 5%;
}

nav ul li {
  display: inline-block;
  float: left;
  padding: 10px 0 0 40px;
}

nav ul li a {
  color: var(--accent-color);
  text-decoration: none;
  text-transform: capitalize;
  font-size: 18px;
  letter-spacing: 1px;
  transition: all .3s ease;
  animation: menu-entry 1.2s cubic-bezier(.05, .7, .2, 1) both;
  animation-delay: .2s;
}

@keyframes menu-entry {
  from {
    letter-spacing: 0.2em;
    opacity: 0;
    scale: 100%
  }

  to {
    letter-spacing: 1px;
    opacity: 100%;
    scale: 100%;
  }
}

nav ul li a:hover {
  color: var(--keywords-hover-color);
}

/* ---------------------- 3 keywords ---------------------- */

.viewport-mask {
  position: fixed;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  overflow: hidden;
  padding-block: 0.5rem;
}

.keywords,
.keywords * {
  pointer-events: auto;
}

.center-pin {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
}

.keywords {
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  --ls-start: 0em;
  letter-spacing: var(--ls-start);
  animation: rise 1.1s cubic-bezier(0.60,0.62,0.10,0.99) both;

  --bar-bleed: 1em;
  --bar-thickness: 0.2em;
}

@keyframes tighten {
  from {
    letter-spacing: var(--ls-start);
    opacity: 0;
    scale: 120%
  }

  to {
    letter-spacing: 0;
    opacity: 100%;
    scale: 100%;
  }
}

@keyframes rise {
  from {
    transform: translateY(105%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
    letter-spacing: 0;
  }
}

.keywords a,
.keywords > span {
  margin: 0 30px;
  text-decoration: none;
  font-size: 5vw;
  text-align: center;
  color: var(--keywords-default-color);
}

.keywords a.keyword {
  position: relative;
  display: inline-block;
  color: var(--keywords-default-color);
  text-decoration: none;
  line-height: 1.1;
  transition: color .4s .25s;
}

.keywords a.keyword--mallki {
  overflow: hidden;
}

.keywords a.keyword--mallki:hover {
  color: transparent;
  transition: none;
}

.keywords a.keyword--mallki::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: var(--bar-thickness, 2px);
  margin-top: calc(-1 * var(--bar-thickness, 2px) / 2);
  background: var(--keywords-strike-color);
  transform: translate3d(-102%, 0, 0);
  transition: transform .25s cubic-bezier(0.7, 0, 0.3, 1);
  pointer-events: none;
}

.keywords a.keyword--mallki:hover::before {
  transform: translate3d(102%, 0, 0);
}

.keywords a.keyword--mallki span {
  position: absolute;
  margin: 0;
  left: 0;
  width: 100%;
  height: 50%;
  overflow: hidden;
  pointer-events: none;
}

.keywords a.keyword--mallki span:first-of-type {
  top: 0;
}

.keywords a.keyword--mallki span:last-of-type {
  top: 50%;
}

.keywords a.keyword--mallki span::before {
  content: attr(data-letters);
  position: absolute;
  left: 0;
  width: 100%;
  color: var(--keywords-hover-color);
  transition: transform .3s;
}

.keywords a.keyword--mallki span:first-of-type::before {
  top: 0;
  transform: translate3d(0, 120%, 0);
}

.keywords a.keyword--mallki span:last-of-type::before {
  bottom: 0;
  transform: translate3d(0, -120%, 0);
}

.keywords a.keyword--mallki:hover span::before {
  transform: translate3d(0, 0, 0);
  transition-delay: .1s;
}

@supports not (overflow-x: clip) {
  .viewport-mask {
    overflow-x: hidden;
  }
}

@media screen and (max-width: 480px) {
  .keywords span {
    margin: 0 10px;
    font-size: 7vw;
  }
  .keywords a.keyword--mallki span {
    margin: 0;
    font-size: inherit;
  }
}

/* ---------------------- hamburger menu ---------------------- */

@media screen and (max-width: 864px) {
  .nav-wrapper {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    transform: translateX(100%);
    z-index: 1;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform .60s cubic-bezier(0.78, 0.18, 0.12, 1.02), opacity .30s ease .30s, visibility 0s linear .60s;
    display: flex;
    align-items: center;
    justify-content: right;
  }

  .nav-wrapper ul {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;

    list-style: none;
    margin: 0;
    padding: 0;
    margin-right: 30px;
  }

  .nav-wrapper ul li {
    overflow: hidden;
    line-height: 1.2;
    margin: 0.35rem 0;
    text-align: right;
    display: block;
    float: none !important;
    width: auto;
  }

  .nav-wrapper ul li:not(:first-child) {
    margin-left: 0;
  }

  .nav-wrapper ul li a {
    display: inline-block;
    transform: translateY(110%) translateX(16%) scaleY(.85) scaleX(.90);
    transform-origin: bottom right;
    opacity: 0;
    transition:
      transform .7s cubic-bezier(0.78, 0.18, 0.12, 1.02),
      opacity .3s ease;
    will-change: transform, opacity;
    color: var(--cls-btn-color);
  }

  .nav-btn {
    position: fixed;
    right: 15px;
    top: 15px;
    display: block;
    width: 48px;
    height: 48px;
    cursor: pointer;
    z-index: 2;
    border-radius: 50%;
    animation: hamburger-entry 1s cubic-bezier(.05, .7, .2, 1) .2s both;
  }

  .nav-btn i {
    display: block;
    position: absolute;
    opacity: 1;
    height: 2px;
    width: 24px;
    background: var(--accent-color);
    border-radius: 2px;
    left: 10px;

    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
  }

  .nav-btn i:nth-child(1) {
    top: 16px;
    width: 24px;
  }

  .nav-btn i:nth-child(2) {
    top: 24px;
    width: 20px;
  }

  .nav-btn i:nth-child(3) {
    top: 32px;
    width: 24px;
  }

  #nav:checked+.nav-btn i:nth-child(1) {
    top: 24px;
    background: var(--cls-btn-color);
    -webkit-transform: rotate(135deg);
    -moz-transform: rotate(135deg);
    -o-transform: rotate(135deg);
    transform: rotate(135deg);
  }

  #nav:checked+.nav-btn i:nth-child(2) {
    opacity: 0;
    left: -60px;
    background: var(--keywords-hover-color);
  }

  #nav:checked+.nav-btn i:nth-child(3) {
    top: 24px;
    background: var(--cls-btn-color);
    -webkit-transform: rotate(-135deg);
    -moz-transform: rotate(-135deg);
    -o-transform: rotate(-135deg);
    transform: rotate(-135deg);
  }

  #nav:checked~.nav-wrapper {
    transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
    transition:
      transform .60s cubic-bezier(0.78, 0.18, 0.12, 1.02),
      visibility 0s;
  }

  #nav:checked~.nav-wrapper {
    touch-action: none;
  }

  #nav:checked~.nav-wrapper {
    overscroll-behavior: contain;
  }

  #nav:checked~.nav-wrapper ul li a {
    transform: translateY(0) scaleY(1);
    opacity: 1;
  }

  #nav:checked~.nav-wrapper ul li:nth-child(1) a {
    transition-delay: .16s;
  }

  #nav:checked~.nav-wrapper ul li:nth-child(2) a {
    transition-delay: .20s;
  }

  #nav:checked~.nav-wrapper ul li:nth-child(3) a {
    transition-delay: .24s;
  }

  #nav:checked~.nav-wrapper ul li:nth-child(4) a {
    transition-delay: .28s;
  }

  #nav:not(:checked)~.nav-wrapper ul li a {
    transition:
      transform .50s cubic-bezier(0.78, 0.18, 0.12, 1.02),
      opacity .25s ease;
  }

  #nav:not(:checked)~.nav-wrapper ul li:nth-child(1) a {
    transition-delay: .14s;
  }

  #nav:not(:checked)~.nav-wrapper ul li:nth-child(2) a {
    transition-delay: .10s;
  }

  #nav:not(:checked)~.nav-wrapper ul li:nth-child(3) a {
    transition-delay: .06s;
  }

  #nav:not(:checked)~.nav-wrapper ul li:nth-child(4) a {
    transition-delay: .02s;
  }
}

@keyframes hamburger-entry {
  from {
    transform: translateX(20px);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ---------------------- old, currently not used ---------------------- */

@keyframes expand_menu {
  0% {
    opacity: 0;
    margin-right: -15%;
  }

  25% {
    opacity: 0;
    margin-right: -15%;
  }

  100% {
    opacity: 1;
    margin-right: 5%;
  }
}

.container_home_right {
  float: right;
  position: fixed;
  top: 16%;
  right: 5%;
  width: 73%;
  height: 70%;
}

.container_home_right img {
  max-width: 100%;
  position: absolute;
  right: 0;
  top: 0;

  animation-name: expand_keywords;
  animation-duration: .9s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-out;
}

@keyframes expand_keywords {
  0% {
    opacity: 0;
    margin-top: 8%;
  }

  25% {
    opacity: 0;
    margin-top: 8%;
  }

  100% {
    opacity: 1;
    margin-top: 0;
  }
}

.container_home_left {
  float: left;
  position: fixed;
  top: 30%;
  left: 9%;
  width: 22%;
  height: 18%;
}

.container_home_left img {
  max-width: 100%;
  position: absolute;
  left: 0;
  top: 0;

  animation-name: expand_slogan;
  animation-duration: .9s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-out;
}

@keyframes expand_slogan {
  0% {
    opacity: 0;
    margin-left: 22%;
  }

  25% {
    opacity: 0;
    margin-left: 22%;
  }

  100% {
    opacity: 1;
    margin-left: 0;
  }
}

@keyframes drop {
  0% {
    opacity: 0;
    margin-top: -8px;
  }

  25% {
    opacity: 0;
    margin-top: -8px;
  }

  100% {
    opacity: 1;
    margin-top: 8px;
  }
}

@media screen and (max-width: 1024px) {
  .container_home_right {
    top: 20%;
  }

  .container_home_left {
    top: 30%;
  }
}

@media screen and (max-width: 480px) {
  .container_home_left {
    left: 7%;
    top: 20%;
    width: 50%;
  }

  .container_home_right {
    width: 80%;
    top: 38%;
  }
}