/* SayHi language departure hall — restored cinematic edition */
@font-face {
  font-family: "SayHi Cormorant";
  src: url("../fonts/cormorant-garamond-latin-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --welcome-accent: #63e6d3;
  --welcome-accent-rgb: 99, 230, 211;
  --welcome-ink: #fff8e4;
  --welcome-pointer-x: 0;
  --welcome-pointer-y: 0;
}

html.sayhi-welcome-open,
html.sayhi-welcome-open body {
  overflow: hidden;
  overscroll-behavior: none;
}

.sayhi-welcome-complete .welcome-gate { display: none; }

.welcome-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  height: 100svh;
  min-height: 640px;
  overflow: hidden;
  overflow: clip;
  color: #fff;
  background: #030b16;
  isolation: isolate;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

.welcome-stage,
.welcome-backdrops,
.welcome-scene,
.welcome-veil,
.welcome-atmosphere {
  position: absolute;
  inset: 0;
}

.welcome-stage { overflow: hidden; overflow: clip; isolation: isolate; }
.welcome-backdrops { z-index: 0; overflow: hidden; overflow: clip; background: #030b16; }

.welcome-scene {
  opacity: 0;
  visibility: hidden;
  background-color: #030b16;
  background-position: center;
  background-size: cover;
  image-rendering: auto;
  filter: saturate(1.04) contrast(1.035);
  transform: translate3d(calc(var(--welcome-pointer-x) * -7px), calc(var(--welcome-pointer-y) * -5px), 0) scale(1.045);
  transition: opacity 1.05s cubic-bezier(.22,1,.36,1), visibility 1.05s step-end;
  will-change: opacity, transform;
}

.welcome-scene.is-active {
  z-index: 2;
  opacity: 1;
  visibility: visible;
  transition: opacity 1.05s cubic-bezier(.22,1,.36,1), visibility 0s;
}

.welcome-scene.is-leaving {
  z-index: 1;
  opacity: 1;
  visibility: visible;
}

/* The saved language is resolved in the head, before the first paint.  Keep
   the default English markup from flashing when a returning reader opens a
   different world, and request the final WebP rather than a temporary JPG. */
html[data-welcome-language] .welcome-scene.is-active {
  opacity: 0;
  visibility: hidden;
}
html[data-welcome-language="zh"] .welcome-scene[data-scene="zh"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-zh-hd.webp");
}
html[data-welcome-language="en"] .welcome-scene[data-scene="en"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-en-hd.webp");
}
html[data-welcome-language="es"] .welcome-scene[data-scene="es"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-es-hd.webp");
}
html[data-welcome-language="fr"] .welcome-scene[data-scene="fr"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-fr-hd.webp");
}
html[data-welcome-language="ko"] .welcome-scene[data-scene="ko"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-ko-hd.webp");
}
html[data-welcome-language="ja"] .welcome-scene[data-scene="ja"] {
  z-index: 2; opacity: 1; visibility: visible;
  background-image: url("../img/welcome/world-ja-hd.webp");
}

.welcome-scene::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 75% 44%, rgba(208, 234, 255, .08), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.025), transparent 43%, rgba(4,12,27,.12));
  mix-blend-mode: soft-light;
  content: "";
}

.welcome-veil {
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(circle at 77% 45%, rgba(var(--welcome-accent-rgb), .11), transparent 27%),
    linear-gradient(90deg, rgba(2, 8, 18, .97) 0%, rgba(2, 9, 20, .9) 28%, rgba(2, 9, 20, .36) 54%, rgba(2, 9, 20, .2) 75%, rgba(2, 6, 14, .48) 100%),
    linear-gradient(180deg, rgba(1, 6, 14, .38), transparent 24%, transparent 69%, rgba(1, 6, 14, .78));
  transition: background 1s ease;
}

.welcome-veil::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 0 48%, rgba(255,255,255,.045) 49%, transparent 51%);
  mix-blend-mode: soft-light;
  opacity: .55;
}

.welcome-atmosphere {
  z-index: 4;
  pointer-events: none;
  overflow: hidden;
  opacity: .5;
  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='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.welcome-atmosphere i {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--welcome-accent);
  box-shadow: 0 0 18px rgba(var(--welcome-accent-rgb), .9);
  opacity: .65;
  animation: welcome-drift 9s ease-in-out infinite;
}

.welcome-atmosphere i:nth-child(1) { left: 61%; top: 27%; }
.welcome-atmosphere i:nth-child(2) { left: 83%; top: 63%; animation-delay: -3s; animation-duration: 12s; }
.welcome-atmosphere i:nth-child(3) { left: 73%; top: 79%; animation-delay: -6s; animation-duration: 10s; }

.welcome-chrome {
  position: relative;
  z-index: 9;
  width: 100%;
  height: 100%;
  min-height: 640px;
  pointer-events: none;
}

.welcome-header {
  position: absolute;
  top: clamp(27px, 4.5vh, 54px);
  left: clamp(34px, 3.8vw, 72px);
  right: clamp(34px, 3.8vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
}

.welcome-brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 720;
  letter-spacing: -.02em;
}

.welcome-brand img { width: 27px; height: 27px; object-fit: contain; }
.welcome-brand small {
  display: block;
  margin-top: 4px;
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.welcome-topnote {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.76);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.welcome-topnote i { width: 29px; height: 1px; background: var(--welcome-accent); }

.welcome-copy {
  position: absolute;
  left: clamp(34px, 3.8vw, 72px);
  top: 47%;
  width: min(37vw, 570px);
  transform: translateY(-42%);
  pointer-events: auto;
}

.welcome-copy-text,
.welcome-actions {
  backface-visibility: hidden;
  text-shadow: 0 1px 2px rgba(0,0,0,.48);
}

.welcome-kicker {
  margin: 0 0 clamp(20px, 2.6vh, 29px);
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.92);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.welcome-kicker i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--welcome-accent);
  box-shadow: 0 0 14px rgba(var(--welcome-accent-rgb), .8);
}

.welcome-title {
  max-width: 12ch;
  margin: 0;
  color: #f7f8fb;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(46px, 4.25vw, 72px);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.035em;
  text-wrap: balance;
  text-shadow: 0 1px 1px rgba(0,0,0,.72), 0 10px 34px rgba(0,0,0,.38);
}

.welcome-title em {
  display: block;
  color: var(--welcome-ink);
  font-weight: inherit;
  font-style: italic;
}

.welcome-gate[data-welcome-lang="zh"] .welcome-title,
.welcome-gate[data-welcome-lang="ko"] .welcome-title,
.welcome-gate[data-welcome-lang="ja"] .welcome-title {
  max-width: 8.5em;
  font-family: "Songti SC", "STSong", "Yu Mincho", "Hiragino Mincho ProN", "Batang", serif;
  font-size: clamp(44px, 4vw, 68px);
  font-weight: 500;
  line-height: 1.13;
  letter-spacing: -.028em;
}

.welcome-gate[data-welcome-lang="zh"] .welcome-title em,
.welcome-gate[data-welcome-lang="ko"] .welcome-title em,
.welcome-gate[data-welcome-lang="ja"] .welcome-title em { font-style: normal; }
.welcome-gate[data-welcome-lang="es"] .welcome-title,
.welcome-gate[data-welcome-lang="fr"] .welcome-title { max-width: 14ch; font-size: clamp(41px, 3.8vw, 65px); }

.welcome-summary {
  width: min(430px, 95%);
  margin: clamp(19px, 2.6vh, 28px) 0 0;
  color: rgba(250,252,255,.88);
  font-size: clamp(14px, .9vw, 16px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: .005em;
  text-shadow: 0 1px 2px rgba(0,0,0,.72);
}

.welcome-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: clamp(24px, 3.1vh, 35px);
}

.welcome-enter {
  position: relative;
  min-width: 176px;
  height: 52px;
  padding: 0 22px;
  border: 1px solid rgba(255,255,255,.88);
  border-radius: 999px;
  color: #07111d;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(3,10,20,.7), 0 0 0 4px rgba(255,255,255,.42);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .07em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  overflow: hidden;
  transition: color .35s ease, background .35s ease, transform .35s cubic-bezier(.22,1,.36,1), box-shadow .35s ease;
}

.welcome-enter::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--welcome-accent);
  transform: translateY(105%);
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}

.welcome-enter span,
.welcome-enter i { position: relative; z-index: 1; }
.welcome-enter i { font-size: 13px; font-style: normal; font-weight: 500; transition: transform .35s ease; }
.welcome-enter:hover,
.welcome-enter:focus-visible { transform: translateY(-2px); box-shadow: 0 0 0 3px rgba(3,10,20,.68), 0 0 0 4px rgba(var(--welcome-accent-rgb),.9), 0 13px 35px rgba(0,0,0,.2); }
.welcome-enter:hover::before,
.welcome-enter:focus-visible::before { transform: translateY(0); }
.welcome-enter:hover i,
.welcome-enter:focus-visible i { transform: translate(2px,-2px); }

.welcome-place {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: rgba(255,255,255,.72);
  font-size: 9px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.welcome-place strong { color: #fff; font-size: 11px; font-weight: 750; letter-spacing: .06em; }

.welcome-orbit {
  position: absolute;
  z-index: 7;
  left: 76.8%;
  top: 47.5%;
  width: min(31vw, 540px);
  height: min(43vw, 650px);
  transform: translate3d(calc(-50% + (var(--welcome-pointer-x) * 10px)), calc(-50% + (var(--welcome-pointer-y) * 8px)), 0);
  pointer-events: none;
  will-change: transform;
}

.welcome-code-lockup {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 48%;
  transform: translate(-50%,-50%);
  display: grid;
  justify-items: center;
  gap: 17px;
  min-width: 260px;
  text-align: center;
}

.welcome-code-lockup::before {
  width: 72px;
  height: 1px;
  margin-bottom: 4px;
  background: linear-gradient(90deg, transparent, var(--welcome-accent) 24% 76%, transparent);
  box-shadow: 0 5px 22px rgba(var(--welcome-accent-rgb), .32);
  content: "";
}

.welcome-code-lockup strong {
  display: block;
  color: rgba(255,255,255,.97);
  font-family: "SayHi Cormorant", "Cormorant Garamond", Garamond, Georgia, serif;
  font-size: clamp(96px, 8.4vw, 148px);
  font-weight: 500;
  font-kerning: normal;
  font-feature-settings: "kern" 1, "liga" 1;
  line-height: .64;
  letter-spacing: .025em;
  text-shadow: 0 2px 2px rgba(0,0,0,.34), 0 24px 64px rgba(0,0,0,.24);
  transform-origin: 50% 70%;
  animation: welcome-code-breathe 6.8s cubic-bezier(.45,0,.35,1) infinite;
}

.welcome-code-lockup small {
  color: rgba(245,249,255,.82);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: .34em;
  text-transform: uppercase;
  text-shadow: 0 1px 9px rgba(0,0,0,.55);
}

.welcome-orbit-index {
  position: absolute;
  right: 2%;
  bottom: 6%;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.66);
  font-size: 9px;
  font-weight: 650;
  font-style: normal;
  letter-spacing: .18em;
}

.welcome-orbit-index b { color: rgba(255,255,255,.9); font-weight: 700; }
.welcome-orbit-index i { width: 24px; height: 1px; background: rgba(var(--welcome-accent-rgb), .72); }

.welcome-language-shell {
  position: absolute;
  left: clamp(34px, 3.8vw, 72px);
  right: clamp(34px, 3.8vw, 72px);
  bottom: clamp(19px, 2.5vh, 32px);
  pointer-events: auto;
  isolation: isolate;
}

.welcome-language-shell::before {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(255,255,255,.26) 50%, rgba(255,255,255,.08));
  content: "";
}

.welcome-languages { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }

.welcome-language-signal {
  position: absolute;
  z-index: 1;
  left: 0;
  top: -2px;
  width: calc(100% / 6);
  height: 70px;
  pointer-events: none;
  transform: translate3d(0,0,0);
  transform-origin: center top;
  will-change: transform;
}

.welcome-language-signal::before {
  position: absolute;
  left: 4px;
  right: 4px;
  top: 1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--welcome-accent) 18%, #fff 50%, var(--welcome-accent) 82%, transparent);
  box-shadow: 0 0 16px rgba(var(--welcome-accent-rgb),.62);
  content: "";
}

.welcome-language-signal::after {
  position: absolute;
  inset: 0 2px auto;
  height: 58px;
  background: radial-gradient(ellipse at 50% 0, rgba(var(--welcome-accent-rgb),.18), transparent 69%);
  content: "";
}

.welcome-language-signal > i {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px #fff, 0 0 20px rgba(var(--welcome-accent-rgb),.95);
  transform: translate(-50%,-30%);
}

.welcome-language-signal > b {
  position: absolute;
  left: 12%;
  right: 12%;
  top: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--welcome-accent-rgb),.75), transparent);
  transform-origin: center;
}

.welcome-language {
  position: relative;
  min-width: 0;
  min-height: 66px;
  padding: 15px 12px 3px;
  border: 0;
  color: rgba(255,255,255,.7);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  transition: color .35s ease, background .35s ease;
}

.welcome-language:first-child { padding-left: 10px; }
.welcome-language::after {
  position: absolute;
  left: 0;
  top: -2px;
  width: 4px;
  height: 4px;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 50%;
  background: #07111e;
  content: "";
  transform: translateX(-50%);
  transition: border-color .35s ease, background .35s ease, box-shadow .35s ease, transform .35s cubic-bezier(.22,1,.36,1);
}

.welcome-language > i {
  padding-top: 3px;
  color: rgba(255,255,255,.56);
  font-size: 9px;
  font-weight: 650;
  font-style: normal;
  letter-spacing: .1em;
  transition: color .35s ease;
}

.welcome-language span { min-width: 0; }
.welcome-language b,
.welcome-language small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.welcome-language b { font-family: Georgia, "Times New Roman", serif; font-size: clamp(14px, 1.1vw, 18px); font-weight: 600; line-height: 1; }
.welcome-language small { margin-top: 8px; color: rgba(255,255,255,.58); font-size: 9px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.welcome-language:hover { color: #fff; background: linear-gradient(180deg, rgba(var(--welcome-accent-rgb),.055), transparent 72%); }
.welcome-language:hover span { transform: translateX(3px); }
.welcome-language.is-active { color: #fff; background: linear-gradient(180deg, rgba(var(--welcome-accent-rgb),.08), transparent 78%); }
.welcome-language.is-active::after { border-color: #fff; background: var(--welcome-accent); box-shadow: 0 0 12px rgba(var(--welcome-accent-rgb),.82); transform: translateX(-50%) scale(1.3); }
.welcome-language.is-active > i { color: var(--welcome-accent); }
.welcome-language span { transition: transform .38s cubic-bezier(.22,1,.36,1); }

.welcome-enter:focus-visible,
.welcome-brand:focus-visible { outline: 2px solid var(--welcome-accent); outline-offset: 4px; }
.welcome-gate .welcome-language:focus-visible { outline: 0; outline-offset: 0; box-shadow: inset 0 -1px 0 var(--welcome-accent); }

.welcome-transition {
  position: absolute;
  z-index: 30;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  pointer-events: none;
  visibility: hidden;
}

.welcome-transition span {
  background: linear-gradient(180deg, #f7f5ef, #dfeaff);
  transform: translateY(102%);
}

.welcome-gate.is-entering .welcome-transition { visibility: visible; }
.welcome-gate.is-entering .welcome-transition span { animation: welcome-curtain 1.22s cubic-bezier(.76,0,.24,1) both; }
.welcome-gate.is-entering .welcome-transition span:nth-child(2) { animation-delay: .045s; }
.welcome-gate.is-entering .welcome-transition span:nth-child(3) { animation-delay: .09s; }
.welcome-gate.is-entering .welcome-chrome,
.welcome-gate.is-entering .welcome-orbit { animation: welcome-exit .58s cubic-bezier(.22,1,.36,1) forwards; }

/* Opening choreography: quiet, staggered, and transform-only. */
.welcome-header,
.welcome-copy,
.welcome-orbit,
.welcome-language-shell { opacity: 0; }
.welcome-header { transform: translateY(-10px); }
.welcome-copy { transform: translateY(calc(-42% + 18px)); }
.welcome-orbit { transform: translate3d(-50%, calc(-50% + 14px), 0) scale(.965); }
.welcome-language-shell { transform: translateY(13px); }
.welcome-gate.is-ready .welcome-header,
.welcome-gate.is-ready .welcome-copy,
.welcome-gate.is-ready .welcome-orbit,
.welcome-gate.is-ready .welcome-language-shell {
  opacity: 1;
  transition: opacity .9s cubic-bezier(.22,1,.36,1), transform 1.15s cubic-bezier(.22,1,.36,1);
}
.welcome-gate.is-ready .welcome-header { transform: none; transition-delay: .08s; }
.welcome-gate.is-ready .welcome-copy { transform: translateY(-42%); transition-delay: .16s; }
.welcome-gate.is-ready .welcome-orbit { transform: translate3d(calc(-50% + (var(--welcome-pointer-x) * 10px)), calc(-50% + (var(--welcome-pointer-y) * 8px)), 0); transition-delay: .23s; }
.welcome-gate.is-ready .welcome-language-shell { transform: none; transition-delay: .3s; }
.welcome-gate.is-settled .welcome-orbit { transition: transform .7s cubic-bezier(.22,1,.36,1); transition-delay: 0s; }

@keyframes welcome-drift { 0%,100% { transform: translate3d(0,0,0); opacity: .35; } 50% { transform: translate3d(11px,-18px,0); opacity: .9; } }
@keyframes welcome-code-breathe {
  0%, 100% { opacity: .95; transform: translate3d(0, 0, 0) scaleX(1); }
  50% { opacity: 1; transform: translate3d(0, -2px, 0) scaleX(1.012); }
}
@keyframes welcome-exit { to { opacity: 0; transform: translateY(-18px); } }
@keyframes welcome-curtain { 0% { transform: translateY(102%); } 46%,62% { transform: translateY(0); } 100% { transform: translateY(-102%); } }

@media (max-width: 1050px) {
  .welcome-copy { width: 42vw; }
  .welcome-orbit { left: 76%; width: min(37vw, 500px); }
  .welcome-title { font-size: clamp(40px, 5vw, 58px); }
  .welcome-language { padding-inline: 7px; }
}

@media (max-width: 780px) {
  .welcome-gate,
  .welcome-chrome { min-height: 620px; }
  .welcome-scene { background-position: 65% center; transform: scale(1.08); }
  .welcome-veil { background: linear-gradient(180deg, rgba(2,8,18,.35), rgba(2,8,18,.12) 28%, rgba(2,8,18,.72) 58%, rgba(2,7,16,.96) 82%); }
  .welcome-header { top: 20px; left: 18px; right: 18px; }
  .welcome-topnote { display: none; }
  .welcome-orbit { left: 69%; top: 31%; width: min(64vw, 390px); opacity: .72; }
  .welcome-copy { left: 18px; right: 18px; top: auto; bottom: 119px; width: auto; transform: none; }
  .welcome-gate.is-ready .welcome-copy { transform: none; }
  .welcome-kicker { margin-bottom: 12px; }
  .welcome-title,
  .welcome-gate[data-welcome-lang="zh"] .welcome-title,
  .welcome-gate[data-welcome-lang="ko"] .welcome-title,
  .welcome-gate[data-welcome-lang="ja"] .welcome-title,
  .welcome-gate[data-welcome-lang="es"] .welcome-title,
  .welcome-gate[data-welcome-lang="fr"] .welcome-title { max-width: 11ch; font-size: clamp(28px, 8vw, 39px); line-height: 1.04; }
  .welcome-summary { width: min(420px, 94%); margin-top: 12px; font-size: 11px; line-height: 1.5; }
  .welcome-actions { margin-top: 15px; }
  .welcome-enter { min-width: 166px; height: 45px; }
  .welcome-place { display: none; }
  .welcome-language-shell { left: 0; right: 0; bottom: max(10px, env(safe-area-inset-bottom)); overflow: hidden; }
  .welcome-languages { grid-template-columns: repeat(6, minmax(120px, 1fr)); overflow-x: auto; padding: 0 18px 4px; scrollbar-width: none; scroll-snap-type: x proximity; }
  .welcome-languages::-webkit-scrollbar { display: none; }
  .welcome-language { min-height: 55px; padding-top: 11px; scroll-snap-align: center; }
  .welcome-language b { font-size: 15px; }
  .welcome-language-signal { display: none; }
}

@media (max-width: 520px) {
  .welcome-summary { display: none; }
  .welcome-copy { bottom: 114px; }
  .welcome-orbit { top: 30%; width: min(72vw, 340px); }
  .welcome-code-lockup strong { font-size: 72px; }
}

@media (max-height: 760px) and (min-width: 781px) {
  .welcome-gate,
  .welcome-chrome { min-height: 590px; }
  .welcome-header { top: 24px; }
  .welcome-copy { top: 45%; }
  .welcome-kicker { margin-bottom: 14px; }
  .welcome-title,
  .welcome-gate[data-welcome-lang="zh"] .welcome-title,
  .welcome-gate[data-welcome-lang="ko"] .welcome-title,
  .welcome-gate[data-welcome-lang="ja"] .welcome-title { font-size: clamp(39px, 3.8vw, 57px); }
  .welcome-summary { margin-top: 15px; font-size: 14px; line-height: 1.55; }
  .welcome-actions { margin-top: 17px; }
  .welcome-language { min-height: 55px; padding-top: 11px; }
  .welcome-language-shell { bottom: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-scene,
  .welcome-enter,
  .welcome-enter::before,
  .welcome-language,
  .welcome-language::after,
  .welcome-language-signal { transition-duration: .01ms !important; }
  .welcome-atmosphere i,
  .welcome-code-lockup strong { animation: none !important; }
  .welcome-gate.is-entering .welcome-transition span,
  .welcome-gate.is-entering .welcome-chrome,
  .welcome-gate.is-entering .welcome-orbit { animation-duration: .2s; }
}