/* Original BLVCK OAK scroll-led opening chapter. */
.oak-origin {
  --oak-progress: 0;
  --oak-exit: 0;
  position: relative;
  z-index: 40;
  height: 580vh;
  min-height: 3600px;
  background: #030404;
}

.oak-origin-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 78%, rgba(139, 73, 22, 0.14), transparent 29%),
    radial-gradient(circle at 50% 42%, rgba(212, 174, 88, 0.055), transparent 48%),
    #030404;
}

.oak-origin-stage::before,
.oak-origin-stage::after {
  position: absolute;
  z-index: 3;
  content: "";
  pointer-events: none;
}

.oak-origin-stage::before {
  inset: 0;
  background: radial-gradient(circle at center, transparent 32%, rgba(0, 0, 0, 0.58) 100%);
}

.oak-origin-stage::after {
  right: 0;
  bottom: 0;
  left: 0;
  height: 31%;
  background: linear-gradient(180deg, transparent, rgba(2, 3, 3, 0.72) 58%, #030404);
}

.oak-origin-video,
.oak-origin-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(calc(1 + var(--oak-exit) * 0.025));
  transition: opacity 0.08s linear;
}

.oak-origin-video {
  object-fit: contain;
  background: #010101;
  pointer-events: none;
}

.oak-origin.is-video-ready .oak-origin-video {
  opacity: calc(1 - var(--oak-exit));
}

.oak-origin.is-video-fallback .oak-origin-video {
  opacity: 0;
}

.oak-origin.is-video-fallback .oak-origin-canvas {
  opacity: calc(1 - var(--oak-exit));
}

.oak-origin.is-video-fallback.is-webgl-fallback .oak-origin-canvas {
  opacity: 0.82;
}

.oak-origin.is-reel-render {
  height: 100vh;
  height: 100svh;
  min-height: 720px;
}

.oak-origin.is-reel-render .oak-origin-stage {
  min-height: 720px;
}

.oak-origin.is-reel-render .oak-origin-scroll,
.oak-origin.is-reel-render .oak-origin-progress {
  display: none;
}

.oak-origin-grain {
  position: absolute;
  z-index: 4;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.055;
  pointer-events: none;
  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='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
  animation: oak-grain 0.24s steps(2) infinite;
}

@keyframes oak-grain {
  0% { transform: translate3d(-2%, 1%, 0); }
  25% { transform: translate3d(1%, -2%, 0); }
  50% { transform: translate3d(2%, 2%, 0); }
  75% { transform: translate3d(-1%, -1%, 0); }
  100% { transform: translate3d(0, 2%, 0); }
}

.oak-origin-brand {
  position: absolute;
  z-index: 8;
  top: clamp(24px, 5vh, 48px);
  left: clamp(24px, 5vw, 76px);
  display: flex;
  align-items: baseline;
  gap: 7px;
  color: #e8e3d8;
  font-family: var(--display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.oak-origin-brand span {
  color: var(--gold);
}

.oak-origin-brand small {
  margin-left: 7px;
  color: #66665f;
  font-family: var(--sans);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.24em;
}

.oak-origin-story {
  position: absolute;
  z-index: 7;
  top: 50%;
  left: clamp(24px, 6.5vw, 106px);
  width: min(670px, 54vw);
  transform: translateY(-50%);
  pointer-events: none;
}

.oak-origin-chapter {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  opacity: 0;
  transform: translate3d(0, 34px, 0);
  filter: blur(10px);
  visibility: hidden;
  transition: opacity 0.7s ease, transform 0.8s cubic-bezier(0.22, 0.85, 0.2, 1), filter 0.7s ease, visibility 0.7s;
}

.oak-origin-chapter.is-active {
  opacity: 1;
  transform: translate3d(0, -50%, 0);
  filter: blur(0);
  visibility: visible;
}

.oak-origin-chapter > p {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--gold);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.oak-origin-chapter > p::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

.oak-origin-chapter h1,
.oak-origin-chapter h2 {
  margin: 0;
  color: #eeeae1;
  font-family: var(--display);
  font-size: clamp(45px, 5.7vw, 91px);
  font-weight: 500;
  letter-spacing: -0.048em;
  line-height: 0.98;
  text-wrap: balance;
  text-shadow: 0 20px 70px rgba(0, 0, 0, 0.86);
}

.oak-origin-chapter h1 em,
.oak-origin-chapter h2 em {
  color: var(--gold-light);
  font-style: normal;
}

.oak-origin-chapter > span {
  display: block;
  max-width: 480px;
  margin-top: 25px;
  color: #9a9992;
  font-size: clamp(12px, 1vw, 15px);
  font-weight: 300;
  letter-spacing: 0.035em;
  line-height: 1.7;
}

.oak-origin-chapter-final {
  width: min(760px, 88vw);
  text-align: center;
}

.oak-origin-chapter-final > p {
  justify-content: center;
}

.oak-origin-chapter-final > span {
  margin-inline: auto;
}

.oak-origin-story:has(.oak-origin-chapter-final.is-active) {
  left: 50%;
  width: min(760px, 88vw);
  transform: translate(-50%, -50%);
}

.oak-origin-skip {
  position: absolute;
  z-index: 9;
  top: clamp(20px, 4.5vh, 42px);
  right: clamp(20px, 4vw, 64px);
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border: 1px solid rgba(240, 237, 229, 0.18);
  border-radius: 999px;
  color: #aaa9a1;
  background: rgba(7, 8, 8, 0.44);
  cursor: pointer;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.oak-origin-skip:hover {
  border-color: rgba(212, 174, 88, 0.65);
  color: var(--gold-light);
  background: rgba(212, 174, 88, 0.1);
  transform: translateY(-2px);
}

.oak-origin-scroll {
  position: absolute;
  z-index: 8;
  bottom: clamp(28px, 5vh, 54px);
  left: clamp(24px, 6.5vw, 106px);
  display: flex;
  align-items: center;
  gap: 13px;
  color: #72726c;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: opacity 0.4s ease;
}

.oak-origin-scroll i {
  position: relative;
  width: 1px;
  height: 42px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
}

.oak-origin-scroll i::after {
  position: absolute;
  inset: -60% 0 60%;
  background: var(--gold);
  animation: oak-scroll-line 1.8s ease-in-out infinite;
  content: "";
}

@keyframes oak-scroll-line {
  0% { transform: translateY(0); }
  70%, 100% { transform: translateY(210%); }
}

.oak-origin.has-progress .oak-origin-scroll {
  opacity: 0;
}

.oak-origin-progress {
  position: absolute;
  z-index: 8;
  top: 50%;
  right: clamp(14px, 2vw, 34px);
  width: 1px;
  height: min(210px, 29vh);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-50%);
}

.oak-origin-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(var(--gold-light), #8b511f);
  transform: scaleY(var(--oak-progress));
  transform-origin: top;
}

.site-header,
.page-progress,
.mobile-actions,
.mobile-menu {
  transition-property: background, border-color, backdrop-filter, opacity, visibility, transform;
}

.oak-intro-active .site-header,
.oak-intro-active .page-progress,
.oak-intro-active .mobile-actions,
.oak-intro-active .mobile-menu {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.oak-intro-active .site-header,
.oak-intro-active .mobile-actions,
.oak-intro-active .mobile-menu {
  transform: translateY(-22px);
}

@media (max-width: 800px) {
  .oak-origin {
    height: 500vh;
    min-height: 3000px;
  }

  .oak-origin-brand {
    top: 24px;
    left: 22px;
    font-size: 13px;
  }

  .oak-origin-brand small {
    display: none;
  }

  .oak-origin-skip {
    top: 18px;
    right: 16px;
    min-height: 44px;
    padding-inline: 13px;
  }

  .oak-origin-story {
    top: 25%;
    left: 22px;
    width: calc(100% - 44px);
    transform: none;
  }

  .oak-origin-chapter.is-active {
    transform: none;
  }

  .oak-origin-chapter h1,
  .oak-origin-chapter h2 {
    max-width: 530px;
    font-size: clamp(38px, 11vw, 60px);
  }

  .oak-origin-chapter > span {
    max-width: 390px;
    margin-top: 18px;
  }

  .oak-origin-story:has(.oak-origin-chapter-final.is-active) {
    top: 36%;
    left: 50%;
    width: calc(100% - 40px);
    transform: translateX(-50%);
  }

  .oak-origin-chapter-final.is-active {
    transform: none;
  }

  .oak-origin-scroll {
    bottom: 27px;
    left: 22px;
  }

  .oak-origin-progress {
    right: 9px;
  }
}

@media (max-width: 440px) {
  .oak-origin-stage {
    min-height: 510px;
  }

  .oak-origin-story {
    top: 22%;
  }

  .oak-origin-chapter > p {
    margin-bottom: 14px;
    font-size: 9px;
  }

  .oak-origin-chapter h1,
  .oak-origin-chapter h2 {
    font-size: clamp(34px, 10.5vw, 47px);
  }

  .oak-origin-chapter > span {
    font-size: 12px;
    line-height: 1.55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oak-origin {
    height: 100vh;
    height: 100svh;
    min-height: 620px;
  }

  .oak-origin-grain,
  .oak-origin-scroll,
  .oak-origin-progress {
    display: none;
  }

  .oak-origin-chapter,
  .oak-origin-video,
  .oak-origin-canvas {
    transition: none;
  }

  .oak-origin-skip span {
    transform: none;
  }
}

noscript .oak-origin {
  display: none;
}

noscript + main .site-header {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}