:root {
  --yiso-intro-ink: #151513;
  --yiso-intro-paper: #f3f0e9;
  --yiso-intro-red: #f12a0f;
}

html {
  scrollbar-gutter: stable;
}

html:not(.yiso-intro-skip),
html:not(.yiso-intro-skip) body {
  overflow: hidden;
}

body > main.yiso-home-under-intro {
  opacity: .78;
  transition: opacity 1.05s cubic-bezier(.22, 1, .36, 1);
  will-change: opacity;
}

body > main.yiso-home-under-intro.is-entering {
  opacity: 1;
}

.yiso-intro {
  position: fixed;
  inset: 0;
  z-index: 2147483640;
  display: grid;
  grid-template-rows: 1fr 2fr;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  color: var(--yiso-intro-paper);
  background: var(--yiso-intro-ink);
  cursor: none;
  isolation: isolate;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

.yiso-intro::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  opacity: .1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.yiso-intro:focus-visible {
  outline: 2px solid var(--yiso-intro-red);
  outline-offset: -8px;
}

.yiso-intro__statement {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 2rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 140%, rgba(241, 42, 15, .09), transparent 42%),
    linear-gradient(135deg, #121210 0%, #1d1d1a 52%, #121210 100%);
  border-bottom: 1px solid rgba(243, 240, 233, .16);
}

.yiso-intro__statement::before,
.yiso-intro__statement::after {
  content: "";
  position: absolute;
  top: 50%;
  width: clamp(2rem, 8vw, 9rem);
  height: 1px;
  background: rgba(243, 240, 233, .26);
}

.yiso-intro__statement::before { left: clamp(1rem, 4vw, 5rem); }
.yiso-intro__statement::after { right: clamp(1rem, 4vw, 5rem); }

.yiso-intro__headline {
  position: relative;
  z-index: 2;
  margin: 0;
  font-family: inherit;
  font-size: clamp(1.35rem, 2.65vw, 3.2rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .135em;
  text-align: center;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow: 0 10px 38px rgba(0, 0, 0, .5);
}

.yiso-intro__panels {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-height: 0;
}

.yiso-intro__panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: #0e0e0d;
}

.yiso-intro__panel + .yiso-intro__panel {
  border-left: 1px solid rgba(243, 240, 233, .2);
}

.yiso-intro__image {
  position: absolute;
  inset: -1px;
  width: calc(100% + 2px);
  height: calc(100% + 2px);
  object-fit: cover;
  opacity: 0;
  transform: scale(1.045);
  filter: saturate(.88) contrast(1.04) brightness(.77);
  transition: opacity 1.35s cubic-bezier(.4, 0, .2, 1),
              transform 4.8s cubic-bezier(.2, .65, .25, 1),
              filter 1.35s ease;
  will-change: opacity, transform;
}

.yiso-intro__image.is-active {
  opacity: 1;
  transform: scale(1);
  filter: saturate(.92) contrast(1.03) brightness(.8);
}

.yiso-intro__panel--development .yiso-intro__image:nth-child(1) { object-position: 61% 52%; }
.yiso-intro__panel--development .yiso-intro__image:nth-child(2) { object-position: 63% 53%; }
.yiso-intro__panel--architecture .yiso-intro__image:nth-child(1) { object-position: 48% 52%; }
.yiso-intro__panel--architecture .yiso-intro__image:nth-child(2) { object-position: 54% 50%; }
.yiso-intro__panel--interior .yiso-intro__image:nth-child(1) { object-position: 55% 54%; }
.yiso-intro__panel--interior .yiso-intro__image:nth-child(2) { object-position: 48% 52%; }

.yiso-intro__veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(5, 5, 5, .16), rgba(5, 5, 5, .32)),
    radial-gradient(circle at 50% 48%, transparent 0, rgba(0, 0, 0, .14) 74%);
}

.yiso-intro__label {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  margin: 0;
  transform: translate(-50%, -50%);
  font-family: inherit;
  font-size: clamp(1.2rem, 2vw, 2.35rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .24em;
  text-indent: .24em;
  white-space: nowrap;
  text-shadow: 0 5px 24px rgba(0, 0, 0, .72);
}

.yiso-intro__cursor {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2147483647;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--yiso-intro-red);
  box-shadow: 0 0 0 1px rgba(241, 42, 15, .18), 0 0 22px rgba(241, 42, 15, .32);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(var(--cursor-x, 50vw), var(--cursor-y, 50vh), 0) scale(1);
  transition: opacity .18s ease, transform .12s ease-out;
  will-change: transform;
}

.yiso-intro.is-pointer-active .yiso-intro__cursor { opacity: 1; }
.yiso-intro.is-pressing .yiso-intro__cursor { transform: translate3d(var(--cursor-x, 50vw), var(--cursor-y, 50vh), 0) scale(.68); }
.yiso-intro.is-opening { pointer-events: none; }
.yiso-intro.is-opening .yiso-intro__cursor { opacity: 0; }

.yiso-intro-skip .yiso-intro,
.yiso-intro[hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .yiso-intro__statement {
    padding: 1.5rem .85rem;
  }

  .yiso-intro__statement::before,
  .yiso-intro__statement::after {
    display: none;
  }

  .yiso-intro__headline {
    max-width: 94vw;
    font-size: clamp(.94rem, 4vw, 1.28rem);
    letter-spacing: .085em;
    white-space: nowrap;
  }

  .yiso-intro__label {
    font-size: clamp(.88rem, 4.1vw, 1.2rem);
    letter-spacing: .14em;
    text-indent: .14em;
  }

  .yiso-intro__panel--development .yiso-intro__image:nth-child(1) { object-position: 64% 52%; }
  .yiso-intro__panel--development .yiso-intro__image:nth-child(2) { object-position: 67% 52%; }
  .yiso-intro__panel--architecture .yiso-intro__image:nth-child(1) { object-position: 48% 52%; }
  .yiso-intro__panel--architecture .yiso-intro__image:nth-child(2) { object-position: 52% 50%; }
  .yiso-intro__panel--interior .yiso-intro__image:nth-child(1) { object-position: 57% 54%; }
  .yiso-intro__panel--interior .yiso-intro__image:nth-child(2) { object-position: 47% 52%; }
}

@media (hover: none), (pointer: coarse) {
  .yiso-intro { cursor: pointer; }
  .yiso-intro__cursor { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .yiso-intro__image { transition: opacity .2s linear; transform: none; }
  .yiso-intro__cursor { transition: none; }
}