:root{
  --bg:#070a12;
  --bg-2:#0a0f1c;
  --panel:#0e1526;
  --panel-2:#111a2e;
  --line:rgba(255,255,255,.085);
  --line-2:rgba(255,255,255,.16);
  --ink:#e9edf6;
  --ink-2:#98a4bb;
  --ink-3:#6b778f;
  --accent:#ffc24b;
  --accent-ink:#1a1200;
  --sky:#66b6ff;
  --wrap:1180px;
  --pad:clamp(20px,5vw,40px);
  --r:14px;
  --f-display:"Rubik","Rubik Fallback",system-ui,"Segoe UI",-apple-system,"Noto Sans","Hiragino Sans","Yu Gothic","Noto Sans CJK JP","PingFang SC","Microsoft YaHei","Malgun Gothic","Noto Sans Arabic",sans-serif;
  --f-body:"Inter","Inter Fallback",system-ui,"Segoe UI",-apple-system,"Noto Sans","Hiragino Sans","Yu Gothic","Noto Sans CJK JP","PingFang SC","Microsoft YaHei","Malgun Gothic","Noto Sans Arabic",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.62;
  font-synthesis-weight:none;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.06;letter-spacing:-.022em;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--accent);color:var(--accent-ink);padding:12px 18px;border-radius:0 0 10px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- boot ---------- */
.boot{position:fixed;inset:0;z-index:60;background:var(--bg);display:grid;place-content:center;gap:22px;justify-items:center;transition:opacity .55s ease,visibility .55s}
.boot.is-done{opacity:0;visibility:hidden}
.boot__mark{font-family:var(--f-display);font-weight:700;letter-spacing:.42em;font-size:15px;color:var(--ink-2);padding-left:.42em}
.boot__bar{width:min(220px,44vw);height:2px;background:rgba(255,255,255,.12);overflow:hidden;border-radius:2px}
.boot__bar span{display:block;height:100%;width:6%;background:var(--accent);transition:width .35s ease}
.no-js .boot{display:none}

/* ---------- stage ---------- */
.stage{position:fixed;inset:0;z-index:0;background:#05070f}
.stage__canvas{width:100%;height:100%;display:block}
.veil{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:0;
  background:radial-gradient(120% 90% at 50% 55%,#fdfdff 0%,#dceaff 38%,#a9c8ec 68%,#7ea6d6 100%)}
.no-webgl .stage{background:linear-gradient(180deg,#05070f 0%,#0d1a33 55%,#243a5c 100%)}

/* ---------- topbar ---------- */
.topbar{
  position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;gap:26px;
  padding:16px var(--pad);
  background:linear-gradient(180deg,rgba(6,9,17,.86),rgba(6,9,17,0));
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.topbar.is-stuck{background:rgba(7,10,18,.86);backdrop-filter:blur(14px) saturate(1.4);border-bottom-color:var(--line)}
.topbar__mark{font-family:var(--f-display);font-weight:700;letter-spacing:.34em;font-size:14px;text-decoration:none;padding-left:.34em;white-space:nowrap}
.topbar__mark span{background:linear-gradient(90deg,var(--ink),var(--ink) 60%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.topbar__nav{display:flex;gap:26px;margin-inline-start:auto;font-size:14.5px;color:var(--ink-2)}
.topbar__nav a{text-decoration:none;transition:color .18s}
.topbar__nav a:hover{color:var(--ink)}
.topbar__side{display:flex;align-items:center;gap:14px;margin-inline-start:auto}
.topbar__nav+.topbar__side{margin-inline-start:0}

.langpick{position:relative}
.langpick summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-2);padding:8px 12px;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s,color .2s;white-space:nowrap;
}
.langpick summary::-webkit-details-marker{display:none}
.langpick summary:hover{color:var(--ink);border-color:var(--line-2)}
.langpick__globe{width:13px;height:13px;border-radius:50%;border:1.4px solid currentColor;position:relative;flex:none}
.langpick__globe::before{content:"";position:absolute;inset:-1.4px;border-radius:50%;border:1.4px solid currentColor;transform:scaleX(.45)}
.langpick__menu{
  position:absolute;inset-inline-end:0;top:calc(100% + 10px);z-index:5;
  display:grid;grid-template-columns:repeat(2,minmax(120px,1fr));gap:2px;
  padding:8px;border-radius:14px;border:1px solid var(--line);
  background:rgba(12,17,30,.97);backdrop-filter:blur(18px);box-shadow:0 26px 60px rgba(0,0,0,.55);
}
.langpick__menu a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);text-decoration:none;white-space:nowrap}
.langpick__menu a:hover{background:rgba(255,255,255,.06);color:var(--ink)}
.langpick__menu a[aria-current]{color:var(--accent)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  background:var(--accent);color:var(--accent-ink);font-weight:600;font-size:15px;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,194,75,.24)}
.btn:active{transform:translateY(0)}
.btn--sm{padding:8px 16px;font-size:14px}
.btn--lg{padding:15px 30px;font-size:16.5px}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{background:rgba(255,255,255,.06);box-shadow:none;border-color:var(--ink-3)}

/* ---------- intro / scene copy ---------- */
.intro{position:relative;z-index:2;height:520vh}
.hero__copy,.cityline{
  position:sticky;top:0;height:100vh;height:100svh;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:0 var(--pad);will-change:opacity,transform;
}
.hero__copy::before{
  content:"";position:absolute;inset:-10% -5%;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 46% at 50% 44%,rgba(4,7,15,.78) 0%,rgba(4,7,15,.52) 45%,rgba(4,7,15,0) 78%);
}
.cityline::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(70% 44% at 50% 46%,rgba(6,10,20,.55) 0%,rgba(6,10,20,.18) 55%,rgba(6,10,20,0) 80%);
}
.cityline{margin-top:-100vh;margin-top:-100svh;opacity:0}
.eyebrow{
  font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);
  margin-bottom:22px;font-weight:500;
}
.lang-ja .eyebrow,.lang-zh .eyebrow,.lang-ko .eyebrow,.lang-ar .eyebrow{letter-spacing:.08em;text-transform:none;font-size:13px}
.hero__h1{
  font-size:clamp(44px,10vw,116px);font-weight:700;letter-spacing:-.035em;
  display:flex;flex-direction:column;align-items:center;gap:.02em;
}
.hero__h1 em{font-style:normal;color:var(--accent)}
.hero__sub{max-width:640px;margin:26px auto 0;color:var(--ink-2);font-size:clamp(16px,2vw,19px)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:36px}
.hero__plat{margin-top:26px;font-size:13px;letter-spacing:.13em;color:var(--ink-3);text-transform:uppercase}
.lang-ja .hero__plat,.lang-zh .hero__plat,.lang-ko .hero__plat,.lang-ar .hero__plat{text-transform:none;letter-spacing:.04em}
.hero__scroll{position:absolute;bottom:min(6vh,52px);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);display:flex;flex-direction:column;align-items:center;gap:12px}
.hero__scroll span{width:1px;height:38px;background:linear-gradient(180deg,transparent,var(--ink-3));animation:drip 2.4s ease-in-out infinite}
@keyframes drip{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}
.cityline h2{font-size:clamp(30px,6.4vw,76px);font-weight:700;letter-spacing:-.032em;display:flex;flex-direction:column;gap:.06em;
  text-shadow:0 6px 44px rgba(2,6,16,.62)}
.cityline h2 span{color:var(--accent)}
.cityline p{margin-top:22px;max-width:560px;color:rgba(255,255,255,.82);font-size:clamp(15px,1.9vw,18px);text-shadow:0 3px 22px rgba(2,6,16,.7)}

/* ---------- content ---------- */
.content{position:relative;z-index:3;background:var(--bg);border-top:1px solid rgba(255,255,255,.06)}
.wrap{width:min(var(--wrap),100% - var(--pad)*2);margin-inline:auto}
.wrap--narrow{width:min(800px,100% - var(--pad)*2)}
.band{padding:clamp(70px,10vw,132px) 0}
.band--alt{background:var(--bg-2)}
.band--cta{background:linear-gradient(180deg,var(--bg) 0%,#0f1526 100%)}
.kicker{font-size:12px;letter-spacing:.19em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:16px}
.lang-ja .kicker,.lang-zh .kicker,.lang-ko .kicker,.lang-ar .kicker{text-transform:none;letter-spacing:.06em;font-size:13px}
.h2{font-size:clamp(28px,4.2vw,50px);max-width:19ch;letter-spacing:-.028em}
.sub{margin-top:18px;color:var(--ink-2);max-width:62ch;font-size:clamp(15.5px,1.7vw,18px)}
.lead{font-size:clamp(18px,2.3vw,23px);color:var(--ink);line-height:1.5}

.stats{background:linear-gradient(180deg,#0b1120,var(--bg));border-bottom:1px solid var(--line);padding:clamp(44px,6vw,64px) 0}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(20px,3vw,34px)}
.stat__n{font-family:var(--f-display);font-weight:700;font-size:clamp(24px,3.3vw,40px);letter-spacing:-.03em;line-height:1.1}
.stat__n i{font-style:normal;font-size:.5em;color:var(--accent);margin-inline-start:.28em;letter-spacing:0}
.stat__l{margin-top:8px;color:var(--ink-2);font-size:14.5px;line-height:1.45}

.about__body{margin-top:30px;display:grid;gap:20px;max-width:66ch;color:var(--ink-2)}
.about__body p+p{color:var(--ink-2)}

.grid{display:grid;gap:clamp(14px,1.6vw,20px);margin-top:44px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;padding:30px 26px 28px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.008));
  transition:border-color .25s ease,transform .25s ease,background .25s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card__no{font-family:var(--f-display);font-size:12px;letter-spacing:.14em;color:var(--ink-3);display:block;margin-bottom:18px}
.card h3{font-size:20px;margin-bottom:10px;letter-spacing:-.015em}
.card p{color:var(--ink-2);font-size:15.5px;line-height:1.6}

.plat{padding:26px 24px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.022)}
.plat h3{font-size:19px}
.plat p{margin-top:8px;color:var(--ink-2);font-size:14.5px;line-height:1.55}
.tag{
  display:inline-block;margin-top:16px;padding:4px 11px;border-radius:999px;
  font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  color:var(--accent);border:1px solid rgba(255,194,75,.32);background:rgba(255,194,75,.08);
}
.lang-ja .tag,.lang-zh .tag,.lang-ko .tag,.lang-ar .tag{text-transform:none;letter-spacing:.02em}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.4vw,18px);margin-top:44px}
.shot{margin:0;position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.shot img{width:100%;height:100%;object-fit:cover}
.shot--empty{
  display:grid;place-content:center;gap:10px;justify-items:center;
  background:
    repeating-linear-gradient(135deg,rgba(255,255,255,.022) 0 12px,transparent 12px 24px),
    var(--panel);
  border-style:dashed;border-color:rgba(255,255,255,.14);
}
.shot__slot{font-family:var(--f-display);font-size:26px;font-weight:700;color:rgba(255,255,255,.13);letter-spacing:-.02em}
.shot__label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.lang-ja .shot__label,.lang-zh .shot__label,.lang-ko .shot__label,.lang-ar .shot__label{text-transform:none;letter-spacing:.04em}

.road{margin-top:44px;position:relative;display:grid;gap:2px}
.road::before{content:"";position:absolute;inset-inline-start:7px;top:14px;bottom:26px;width:1px;background:linear-gradient(180deg,var(--accent),rgba(255,194,75,.12))}
.road__item{display:grid;grid-template-columns:16px 1fr;gap:22px;padding:20px 0 26px}
.road__dot{width:15px;height:15px;border-radius:50%;border:2px solid var(--accent);background:var(--bg);margin-top:6px;z-index:1}
.road__item:not(:first-child) .road__dot{border-color:var(--ink-3)}
.road__item h3{font-size:20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.road__item h3 .tag{margin-top:0}
.road__item:not(:first-child) h3 .tag{color:var(--ink-2);border-color:var(--line);background:rgba(255,255,255,.03)}
.road__item p{margin-top:8px;color:var(--ink-2);font-size:15.5px;max-width:60ch}

.faq{margin-top:38px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
  list-style:none;cursor:pointer;padding:22px 40px 22px 0;
  font-family:var(--f-display);font-size:clamp(17px,2vw,20px);font-weight:500;letter-spacing:-.012em;position:relative;
}
.is-rtl .faq__item summary{padding:22px 0 22px 40px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"";position:absolute;inset-inline-end:6px;top:50%;width:11px;height:11px;
  border-inline-end:1.6px solid var(--ink-2);border-bottom:1.6px solid var(--ink-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s ease;
}
.faq__item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq__a{padding:0 60px 26px 0;color:var(--ink-2);font-size:16px}
.is-rtl .faq__a{padding:0 0 26px 60px}

.signup{text-align:center}
.signup .h2,.signup .sub{margin-inline:auto}
.signup__form{display:flex;gap:12px;margin:34px auto 0;max-width:520px;flex-wrap:wrap;justify-content:center}
.signup__form input[type=email]{
  flex:1 1 260px;padding:15px 20px;border-radius:999px;border:1px solid var(--line-2);
  background:rgba(255,255,255,.04);font-size:16px;transition:border-color .2s,background .2s;
}
.signup__form input[type=email]::placeholder{color:var(--ink-3)}
.signup__form input[type=email]:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.07)}
.signup__msg{margin-top:16px;font-size:15px;min-height:1.4em;color:var(--accent)}
.signup__msg.is-err{color:#ff8f7a}
.signup__privacy{margin-top:12px;font-size:13.5px;color:var(--ink-3)}

.foot{position:relative;z-index:3;background:#060911;border-top:1px solid var(--line);padding:clamp(50px,7vw,76px) 0 28px}
.foot__grid{display:grid;grid-template-columns:minmax(220px,1fr) 2fr;gap:44px}
.foot__mark{font-family:var(--f-display);font-weight:700;letter-spacing:.34em;font-size:14px;padding-left:.34em}
.foot__tag{margin-top:14px;color:var(--ink-3);font-size:15px;max-width:34ch}
.foot__langs-t{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.lang-ja .foot__langs-t,.lang-zh .foot__langs-t,.lang-ko .foot__langs-t,.lang-ar .foot__langs-t{text-transform:none;letter-spacing:.05em}
.foot__langs ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px 18px}
.foot__langs a{color:var(--ink-2);text-decoration:none;font-size:14.5px}
.foot__langs a:hover{color:var(--ink)}
.foot__langs a[aria-current]{color:var(--accent)}
.foot__bar{margin-top:46px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--ink-3);font-size:13.5px}
.foot__status::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-inline-end:9px;vertical-align:middle}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero__scroll span{animation:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .topbar__nav{display:none}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .shots{grid-template-columns:repeat(2,1fr)}
  .foot__langs ul{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:700px){
  body{font-size:16px}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:26px 18px}
  .grid--3,.grid--4{grid-template-columns:1fr}
  .shots{grid-template-columns:1fr}
  .intro{height:460vh}
  .foot__grid{grid-template-columns:1fr;gap:34px}
  .foot__langs ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .langpick__menu{grid-template-columns:repeat(2,minmax(104px,1fr));position:fixed;inset-inline:var(--pad);inset-inline-end:var(--pad);top:70px;max-height:60vh;overflow:auto}
  .hero__actions{width:100%;flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .signup__form{flex-direction:column}
  .signup__form .btn{width:100%}
}
@media (max-width:400px){
  .topbar{gap:12px;padding:12px 16px}
  .langpick summary{padding:7px 10px;font-size:13px}
}