:root {
  --story-length: 185svh;
  --scroll-progress: 0;
  --wall-progress: 0;
  --office-progress: 0;
  --intro-opacity: 1;
  --exit-progress: 0;
  --pointer-x: 0;
  --pointer-y: 0;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { background: #171510; }

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: #fff;
  background: #171510;
  font-family: Arial, Helvetica, sans-serif;
}

.scroll-story { position: relative; height: var(--story-length); }

.homepage-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  color: #14231d;
  background: linear-gradient(180deg, rgba(8, 16, 13, .68), rgba(8, 16, 13, .08));
  transition: color 280ms ease, background 280ms ease, box-shadow 280ms ease;
}

.homepage-header .topbar,
.homepage-header .site-header {
  border-color: rgba(255,255,255,.18);
  background: transparent;
}

.homepage-header .topbar a,
.homepage-header .social-links a,
.homepage-header .site-nav > a,
.homepage-header .dropdown-label {
  color: #fff;
  text-shadow: 0 2px 14px rgba(0,0,0,.3);
}

.homepage-header .header-search {
  color: #fff;
  border-color: rgba(255,255,255,.46);
  background: rgba(8,16,13,.18);
  backdrop-filter: blur(10px);
}

.homepage-header .dropdown-menu {
  background: #fff;
}

.homepage-header .dropdown-menu a {
  color: #14231d;
  text-shadow: none;
}

.homepage-header.is-over-website {
  color: #14231d;
  background: rgba(255,255,255,.97);
  box-shadow: 0 8px 28px rgba(20,35,29,.1);
}

.homepage-header.is-over-website .topbar,
.homepage-header.is-over-website .site-header {
  border-color: #dfe5e1;
}

.homepage-header.is-over-website .topbar a,
.homepage-header.is-over-website .social-links a,
.homepage-header.is-over-website .site-nav > a,
.homepage-header.is-over-website .dropdown-label {
  color: #14231d;
  text-shadow: none;
}

.homepage-header.is-over-website .header-search {
  color: #14231d;
  border-color: #dfe5e1;
  background: #fff;
}

.stage {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: #aaa397;
}

.scene-stack, .stage-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-stack {
  opacity: 0;
  transform: translate(calc(var(--pointer-x) * -5px), calc(var(--pointer-y) * -4px)) scale(calc(1.018 - var(--exit-progress) * .018));
  transition: opacity 650ms ease;
  will-change: opacity, transform;
}

.scene-stack.is-ready { opacity: 1; }

.stage-image {
  object-fit: cover;
  object-position: center;
  user-select: none;
  pointer-events: none;
  will-change: opacity, transform, clip-path, filter;
}

.stage-image-empty {
  z-index: 1;
  opacity: calc(1 - var(--wall-progress) * .72);
  filter: saturate(calc(.92 + var(--wall-progress) * .08)) brightness(calc(1 - var(--wall-progress) * .06));
  transform: scale(calc(1.035 - var(--wall-progress) * .025)) translateY(calc(var(--wall-progress) * -5px));
}

.stage-image-wall {
  z-index: 2;
  opacity: calc(.28 + var(--wall-progress) * .72);
  clip-path: inset(0 calc((1 - var(--wall-progress)) * 50%) 0 calc((1 - var(--wall-progress)) * 50%));
  transform: scale(calc(1.028 - var(--wall-progress) * .018));
}

.stage-image-office {
  z-index: 3;
  opacity: calc(.35 + var(--office-progress) * .65);
  clip-path: inset(calc((1 - var(--office-progress)) * 100%) 0 0 0);
  transform: translateY(calc((1 - var(--office-progress)) * 26px)) scale(calc(1.03 - var(--office-progress) * .02));
}

.stage-atmosphere, .stage-atmosphere > span, .stage-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stage-atmosphere { z-index: 4; overflow: hidden; }

.light-sweep {
  inset: -30% !important;
  background:
    radial-gradient(circle at calc(54% + var(--pointer-x) * 6%) calc(34% + var(--pointer-y) * 4%), rgba(255,226,171,.25), transparent 25%),
    linear-gradient(112deg, transparent 30%, rgba(255,255,255,.12) 47%, transparent 62%);
  opacity: calc(.28 + var(--wall-progress) * .2 - var(--exit-progress) * .28);
  mix-blend-mode: screen;
  transform: translateX(calc((var(--scroll-progress) - .5) * 18%));
  will-change: transform, opacity;
}

.stage-grain {
  background-image: repeating-radial-gradient(circle at 20% 30%, rgba(255,255,255,.34) 0 1px, transparent 1px 4px);
  background-size: 7px 7px;
  opacity: .025;
  mix-blend-mode: overlay;
}

.stage-vignette {
  background:
    linear-gradient(180deg, rgba(5,8,7,.12), transparent 20%, transparent 72%, rgba(5,8,7,.2)),
    radial-gradient(ellipse at center, transparent 55%, rgba(5,8,7,.22) 110%);
  opacity: calc(.55 + var(--exit-progress) * .35);
}

.stage-frame {
  z-index: 5;
  inset: clamp(12px, 2vw, 28px);
  border: 1px solid rgba(255,255,255,.2);
  opacity: calc((1 - var(--intro-opacity)) * (1 - var(--exit-progress)));
  transform: scale(calc(.985 + var(--wall-progress) * .015));
  transition: opacity 300ms ease;
}

.stage-frame::before, .stage-frame::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
}

.stage-frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
}

.stage-frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
}

.stage-meta {
  position: absolute;
  z-index: 6;
  right: clamp(28px, 5vw, 84px);
  left: auto;
  bottom: clamp(30px, 6vh, 70px);
  display: flex;
  align-items: center;
  gap: 22px;
  color: #fff;
  opacity: calc((1 - var(--intro-opacity)) * (1 - var(--exit-progress)));
  text-shadow: 0 2px 18px rgba(0,0,0,.35);
  transform: translateY(calc(var(--intro-opacity) * 18px));
  pointer-events: none;
}

.stage-story-copy {
  position: absolute;
  z-index: 7;
  left: clamp(28px, 6vw, 105px);
  bottom: clamp(54px, 8vh, 92px);
  width: min(620px, calc(100% - 56px));
  color: #fff;
  opacity: calc((1 - var(--intro-opacity)) * (1 - var(--exit-progress)));
  text-shadow: 0 3px 24px rgba(0,0,0,.42);
  transform: translateY(calc(var(--intro-opacity) * 22px));
  pointer-events: none;
}

.stage-story-copy > span {
  display: block;
  margin-bottom: 12px;
  color: #d8f4e7;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.stage-story-copy h2 {
  margin: 0;
  font-size: clamp(42px, 6.4vw, 92px);
  font-weight: 600;
  line-height: .94;
  letter-spacing: -.045em;
}

.stage-story-copy p {
  max-width: 480px;
  margin: 18px 0 0;
  color: rgba(255,255,255,.84);
  font-size: clamp(14px, 1.35vw, 18px);
  line-height: 1.55;
}

.stage-story-copy.is-changing > * {
  opacity: 0;
  transform: translateY(10px);
}

.stage-story-copy > * {
  transition: opacity 160ms ease, transform 200ms ease;
}

.stage-count {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  letter-spacing: .14em;
}

.stage-count b { min-width: 18px; font-size: 13px; }
.stage-count i { width: 42px; height: 1px; background: rgba(255,255,255,.58); }

.stage-name {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  transition: opacity 160ms ease, transform 160ms ease;
}

.stage-meta.is-changing .stage-name { opacity: 0; transform: translateY(6px); }

.intro-copy {
  position: absolute;
  z-index: 7;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px;
  color: #fff;
  text-align: center;
  text-shadow: 0 3px 26px rgba(0,0,0,.3);
  opacity: var(--intro-opacity);
  pointer-events: none;
  will-change: opacity, transform;
  transform: translateY(calc((1 - var(--intro-opacity)) * -34px)) scale(calc(.96 + var(--intro-opacity) * .04));
}

.intro-copy span {
  padding: .12em .22em;
  font-size: clamp(31px, 5.2vw, 74px);
  font-weight: 500;
  letter-spacing: -.035em;
  color: transparent;
  background: linear-gradient(90deg, #fff, #f7e5c3, #fff) 0 0 / 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: title-shimmer 4s ease-in-out infinite;
}

.intro-copy i {
  position: relative;
  width: 28px;
  height: 45px;
  border: 2px solid rgba(255,255,255,.78);
  border-radius: 999px;
}

.intro-copy i::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: #fff;
  transform: translateX(-50%);
  animation: scroll-cue 1.5s ease-in-out infinite;
}

.loading {
  position: absolute;
  z-index: 8;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(24,22,18,.72);
  background: #bcb5a9;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  transition: opacity 450ms ease, visibility 450ms ease;
}

.loading.is-hidden { visibility: hidden; opacity: 0; }

.loading-mark {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(24,22,18,.22);
  border-top-color: rgba(24,22,18,.78);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.scroll-meter {
  position: absolute;
  z-index: 7;
  right: clamp(18px, 2.5vw, 42px);
  top: 50%;
  width: 2px;
  height: clamp(110px, 22vh, 184px);
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.34);
  transform: translateY(-50%);
  pointer-events: none;
}

.scroll-meter-fill {
  display: block;
  width: 100%;
  height: 100%;
  background: #fff;
  transform: scaleY(var(--scroll-progress));
  transform-origin: top;
  will-change: transform;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.no-script {
  position: fixed;
  z-index: 9;
  left: 50%;
  bottom: 24px;
  margin: 0;
  padding: 12px 16px;
  border-radius: 4px;
  color: #171510;
  background: #fff;
  transform: translateX(-50%);
}

@keyframes spin { to { transform: rotate(1turn); } }

@keyframes scroll-cue {
  0% { opacity: 0; transform: translate(-50%,0); }
  35% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%,15px); }
}

@keyframes title-shimmer {
  0%, 20% { background-position: 100% 0; }
  70%, 100% { background-position: -100% 0; }
}

@media (max-aspect-ratio: 4 / 5) {
  .stage-image { object-fit: contain; }
  .stage-frame { inset: 12px; }
  .stage-meta { left: 24px; bottom: 28px; }
  .stage-count i { width: 24px; }
}

@media (max-width: 980px) {
  :root {
    --story-length: 170svh;
  }

  .homepage-header .nav-toggle {
    border-color: rgba(255,255,255,.45);
    background: rgba(8,16,13,.2);
    backdrop-filter: blur(10px);
  }

  .homepage-header .nav-toggle span {
    background: #fff;
  }

  .homepage-header .site-nav {
    background: rgba(255,255,255,.98);
  }

  .homepage-header .site-nav a,
  .homepage-header .dropdown-label {
    color: #14231d;
    text-shadow: none;
  }

  .homepage-header.is-over-website .nav-toggle {
    border-color: #dfe5e1;
    background: #fff;
  }

  .homepage-header.is-over-website .nav-toggle span {
    background: #14231d;
  }

  .stage-meta {
    display: none;
  }
}

@media (max-width: 680px) {
  .stage-story-copy {
    left: 22px;
    bottom: 42px;
    width: calc(100% - 44px);
  }

  .stage-story-copy p {
    max-width: 330px;
  }

  .intro-copy span {
    font-size: clamp(30px, 11vw, 52px);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root { --story-length: 100svh; }
  .scene-stack, .loading { transition: none; }
  .loading-mark, .intro-copy i::after, .intro-copy span { animation: none; }
  .stage-atmosphere, .stage-frame, .stage-meta, .scroll-meter { display: none; }
}

/* Global scroll-story typography */
body,
button,
input,
select,
textarea {
  font-family: Calibri, "Segoe UI", Arial, sans-serif;
}