:root {
  --intro-glow-soft: rgba(255, 255, 255, .06);
  --intro-ray: rgba(255, 255, 255, .05);
  --intro-flash: rgba(255, 255, 255, .85);
  --intro-shine: rgba(255, 255, 255, .85);
  --intro-sub-glow: rgba(255, 255, 255, .3);
}
:root[data-theme="light"] {
  --intro-glow-soft: rgba(0, 0, 0, .05);
  --intro-ray: rgba(0, 0, 0, .045);
  --intro-flash: rgba(0, 0, 0, .14);
  --intro-shine: rgba(0, 0, 0, .7);
  --intro-sub-glow: rgba(0, 0, 0, .22);
}


.intro {
  position: fixed; top: 0; left: 0; right: 0; z-index: 5;
  height: 100vh; overflow: hidden;
  background: var(--bg);
}
.intro.is-camera {
  transform: scale(1.08);
  opacity: 0;
  pointer-events: none;
  transition: transform .8s cubic-bezier(.2, .7, .2, 1), opacity .8s ease;
}

.intro__cut {
  position: absolute; inset: 0; pointer-events: none;
  background: var(--intro-flash);
  opacity: 0;
}
.intro.is-camera .intro__cut { animation: introCut .55s ease forwards; }
@keyframes introCut {
  0% { opacity: 0; }
  40% { opacity: .55; }
  100% { opacity: 0; }
}

.intro.is-impact { animation: introShake .34s ease; }
@keyframes introShake {
  0%, 100% { transform: none; }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 1px); }
}

.intro__ray {
  position: absolute; top: -22%; width: 55vw; height: 144vh; pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--intro-ray) 50%, transparent);
  opacity: 0;
}
.intro__ray--1 { left: -14%; transform: rotate(24deg); }
.intro__ray--2 { right: -16%; transform: rotate(-21deg); }
html.js .intro__ray { opacity: .9; }
html.js .intro__ray--1 { animation: introRayA 13s ease-in-out infinite alternate; }
html.js .intro__ray--2 { animation: introRayB 16s ease-in-out infinite alternate; }
@keyframes introRayA { from { transform: rotate(24deg) translateX(-4vw); } to { transform: rotate(24deg) translateX(6vw); } }
@keyframes introRayB { from { transform: rotate(-21deg) translateX(4vw); } to { transform: rotate(-21deg) translateX(-6vw); } }

.intro__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(46% 40% at 50% 50%, var(--intro-glow-soft), transparent 72%);
  opacity: 0;
}
html.js .intro__glow { animation: introGlowIn 2s ease .15s forwards; }
@keyframes introGlowIn { to { opacity: 1; } }
.intro__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; display: block;
  transition: opacity .8s ease;
}

.intro__static {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  font-family: var(--display); font-weight: 800;
  font-size: clamp(96px, 20vw, 280px); line-height: .9; letter-spacing: -.02em; color: var(--ink);
}


.intro__title { position: absolute; inset: 0; pointer-events: none; transition: opacity .6s ease; }
.intro.is-dissolve .intro__title { opacity: 0; }

.intro__kick {
  position: absolute; left: 50%; top: clamp(56px, 11vh, 104px);
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  text-align: center;
  opacity: 0;
}
.intro.is-kick .intro__kick { animation: introFadeUp .6s ease forwards; }
.intro__kick-line1 {
  font-family: var(--display); font-weight: 800; font-size: clamp(20px, 3vw, 34px);
  letter-spacing: .4em; padding-left: .4em; text-transform: uppercase; color: var(--ink);
  animation: introKickTrack 1.3s cubic-bezier(.2, .7, .2, 1) forwards;
}
@keyframes introKickTrack { from { letter-spacing: .85em; filter: blur(5px); } to { letter-spacing: .4em; filter: none; } }
.intro__kick-line2 {
  font-family: var(--font); font-weight: 500; font-size: clamp(11px, 1.5vw, 15px);
  letter-spacing: .3em; padding-left: .3em; text-transform: uppercase; color: var(--text-2);
}


.intro__kick-line1[data-shine], .intro__sub[data-shine] { position: relative; }
.intro__kick-line1[data-shine]::after, .intro__sub[data-shine]::after {
  content: attr(data-shine);
  position: absolute; inset: 0;
  color: transparent;
  background: linear-gradient(105deg, transparent 38%, var(--intro-shine) 50%, transparent 62%) 200% 0 / 200% 100% no-repeat;
  -webkit-background-clip: text; background-clip: text;
}
.intro__kick-line1[data-shine]::after { animation: introShine 4s ease-in-out 1.6s infinite; }
.intro__sub[data-shine]::after { animation: introShine 4s ease-in-out 3.4s infinite; }
@keyframes introShine {
  0%, 62% { background-position: 200% 0; }
  100% { background-position: -100% 0; }
}

.intro__sub-row {
  position: absolute; left: 50%; bottom: clamp(84px, 17vh, 160px);
  transform: translateX(-50%);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
}
.intro.is-sub .intro__sub-row { animation: introFadeUp .6s ease forwards; }
.intro__sub {
  font-family: var(--display); font-weight: 700; font-size: clamp(13px, 1.9vw, 19px);
  letter-spacing: .5em; padding-left: .5em; text-transform: uppercase; color: var(--ink); white-space: nowrap;
  text-shadow: 0 0 26px var(--intro-sub-glow);
}

.intro__hint {
  position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font); font-weight: 600; font-size: 11.5px;
  letter-spacing: .26em; text-transform: uppercase; color: var(--text-2);
  opacity: 0;
}
.intro.is-hint .intro__hint {
  animation: introFadeUpHint .6s ease forwards, introBob 2.4s ease-in-out 1s infinite;
}


.intro__flare {
  position: absolute; left: 50%; top: 50%;
  width: 520px; height: 520px; margin: -260px 0 0 -260px;
  background: radial-gradient(circle, var(--intro-glow-soft) 0%, transparent 62%);
  transform: scale(.3); opacity: 0; pointer-events: none;
}
.intro.is-impact .intro__flare { animation: introFlare .75s ease-out forwards; }
@keyframes introFlare {
  0% { opacity: 0; transform: scale(.3); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.8); }
}
.intro__flash { position: absolute; inset: 0; pointer-events: none; background: var(--intro-flash); opacity: 0; }
.intro.is-impact .intro__flash { animation: introFlash .5s ease forwards; }
@keyframes introFlash { 0% { opacity: 0; } 30% { opacity: 1; } 100% { opacity: 0; } }

@keyframes introFadeUp { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes introFadeUpHint { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes introBob { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 7px); } }


html.js .hero__inner { opacity: 0; }
.hero.is-revealed .hero__inner {
  opacity: 1;
  animation: heroRise .85s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes heroRise {
  from { transform: translateY(26px) scale(1.03); }
  to { transform: none; }
}


@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  ::view-transition-old(root) { animation-duration: .2s; }
  ::view-transition-new(root) { animation-duration: .26s; }
}
.page-veil { position: fixed; inset: 0; z-index: 9999; background: var(--bg);
  opacity: 0; pointer-events: none; transition: opacity .18s ease; }
.page-veil.is-on { opacity: 1; pointer-events: auto; }


@media (min-width: 901px) {
  .nav { position: relative; }
  .nav__slider { position: absolute; bottom: 6px; left: 0; height: 2px; width: 0;
    background: var(--ink); border-radius: 2px;
    transition: transform .28s cubic-bezier(.4, 0, .2, 1), width .28s cubic-bezier(.4, 0, .2, 1), opacity .2s;
    opacity: 0; pointer-events: none; }
  .nav__slider.is-on { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) { .nav__slider { display: none; } }


.lb__stage img { transition: transform .15s ease; }


@media (max-width: 640px) {
  .intro__kick { top: clamp(48px, 10vh, 80px); }
  .intro__sub { letter-spacing: .34em; padding-left: .34em; }
}
@media (prefers-reduced-motion: reduce) {

  .intro.is-impact { animation: none; }
  .intro__ray { animation: none; }
    .intro__kick-line1[data-shine]::after, .intro__sub[data-shine]::after { animation: none; background-position: 160% 0; }
}