/* =========================================================
   Vision Play — landing page
   Dark, premium, "glowing block" aesthetic
   ========================================================= */

:root{
  --bg:#070a16;
  --bg-2:#0a0e20;
  --panel:rgba(255,255,255,.04);
  --panel-brd:rgba(255,255,255,.10);
  --ink:#eaf0ff;
  --ink-soft:#aab4d6;
  --ink-dim:#7a85ad;

  --gold:#f7c948;
  --gold-2:#ffb02e;
  --blue:#5aa9ff;
  --blue-2:#3a7bff;
  --teal:#34d6d6;
  --red:#ef4a52;
  --purple:#9b6bff;

  --maxw:1180px;
  --radius:18px;
  --shadow:0 24px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","Noto Sans KR",system-ui,-apple-system,sans-serif;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Poppins","Noto Sans KR",sans-serif;line-height:1.1;margin:0}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

section{scroll-margin-top:84px}

.eyebrow{
  display:inline-block;
  font-family:"Poppins",sans-serif;
  font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);
  padding:.35em .85em;border:1px solid rgba(247,201,72,.3);border-radius:999px;
  background:rgba(247,201,72,.06);
}
.grad-text{
  background:linear-gradient(100deg,var(--gold) 0%,#ffe9a8 45%,var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:"Poppins",sans-serif;font-weight:600;font-size:.98rem;
  padding:.85em 1.5em;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
  white-space:nowrap;
}
.btn-primary{
  color:#241a00;
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-2) 100%);
  box-shadow:0 10px 28px rgba(247,201,72,.32),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(247,201,72,.45),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-ghost{
  color:var(--ink);background:rgba(255,255,255,.05);border-color:var(--panel-brd);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .3s,backdrop-filter .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,10,22,.78);backdrop-filter:blur(14px) saturate(1.3);
  border-bottom-color:var(--panel-brd);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand img{height:34px;width:auto;filter:drop-shadow(0 2px 8px rgba(90,169,255,.4))}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-family:"Poppins",sans-serif;font-weight:500;font-size:.95rem;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links .nav-cta{padding:.55em 1.2em;color:var(--ink)}
.lang-select{font-family:"Poppins",sans-serif;font-weight:600;font-size:.8rem;color:var(--ink-soft);
  background-color:rgba(255,255,255,.06);border:1px solid var(--panel-brd);border-radius:999px;
  padding:.45em 1.9em .45em 2.4em;cursor:pointer;transition:color .2s,background .2s,border-color .2s;
  -webkit-appearance:none;-moz-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23aab4d6' stroke-width='1.6'%3E%3Ccircle cx='12' cy='12' r='9.5'/%3E%3Cline x1='12' y1='2.5' x2='12' y2='21.5'/%3E%3Cline x1='2.5' y1='12' x2='21.5' y2='12'/%3E%3Cellipse cx='12' cy='12' rx='4.3' ry='9.5'/%3E%3Cline x1='4.6' y1='7.5' x2='19.4' y2='7.5'/%3E%3Cline x1='4.6' y1='16.5' x2='19.4' y2='16.5'/%3E%3C/svg%3E"),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23aab4d6' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat,no-repeat;background-position:left .8em center,right .7em center;background-size:14px,11px}
.lang-select:hover{color:var(--ink);background-color:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32)}
.lang-select option{color:#10131f;background:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;flex-direction:column;gap:4px;padding:10px 24px 22px;
  background:rgba(7,10,22,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--panel-brd);
}
.mobile-menu:not([hidden]){display:flex}
.mobile-menu a{font-family:"Poppins",sans-serif;padding:12px 6px;color:var(--ink-soft);border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-menu a:hover{color:var(--gold)}
.mobile-menu .lang-select{align-self:flex-start;margin-top:12px}

/* =========================================================
   Shared FX layers (stars / grid / aurora)
   ========================================================= */
.stars{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.stars::after{content:"";position:absolute;inset:-50%;background:transparent}
.star-dot{position:absolute;background:#fff;border-radius:50%;opacity:.0;animation:twinkle 4s infinite ease-in-out}
@keyframes twinkle{0%,100%{opacity:.15}50%{opacity:.9}}
.stars-dim .star-dot{animation-duration:6s;opacity:.4}

.grid-overlay{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(90,169,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,169,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 38%,#000 30%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 38%,#000 30%,transparent 75%);
}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.5}
.aurora-1{width:620px;height:620px;top:-180px;left:-140px;background:radial-gradient(circle,rgba(58,123,255,.55),transparent 65%);animation:drift1 18s ease-in-out infinite}
.aurora-2{width:560px;height:560px;bottom:-200px;right:-120px;background:radial-gradient(circle,rgba(247,201,72,.4),transparent 65%);animation:drift2 22s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,40px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-30px)}}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:120px 0 90px;overflow:hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%,rgba(58,123,255,.12),transparent 60%),
    linear-gradient(180deg,#070a16 0%,#0a0e20 60%,#070a16 100%);
}
.float-layer{position:absolute;inset:0;pointer-events:none;z-index:1}
.float-block{position:absolute;width:64px;opacity:.85;filter:drop-shadow(0 12px 22px rgba(0,0,0,.5));will-change:transform}
.hero-inner{position:relative;z-index:2;text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-logo{margin:26px 0 6px}
.hero-logo img{
  width:min(560px,82vw);
  filter:drop-shadow(0 6px 26px rgba(90,169,255,.45)) drop-shadow(0 0 60px rgba(58,123,255,.25));
  animation:logoFloat 6s ease-in-out infinite;
}
@keyframes logoFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-tagline{font-family:"Poppins",sans-serif;font-weight:700;font-size:clamp(1.6rem,4.6vw,2.9rem);margin:.2em 0 0;letter-spacing:-.01em}
.glow-word{position:relative;color:var(--gold);text-shadow:0 0 26px rgba(247,201,72,.7),0 0 60px rgba(247,201,72,.35)}
.hero-sub{max-width:620px;color:var(--ink-soft);font-size:clamp(1rem,2.4vw,1.18rem);margin:1.1em auto 0}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:34px}
.hero-badges{margin-top:30px}

.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ink-dim);
  animation:bob 2.2s ease-in-out infinite;
}
.scroll-cue svg{opacity:.8}
.scroll-dot{width:22px;height:36px;border:2px solid rgba(255,255,255,.25);border-radius:12px;position:relative}
.scroll-dot::before{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;border-radius:3px;background:var(--gold);transform:translateX(-50%);animation:wheel 1.8s infinite}
@keyframes wheel{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,12px)}}
@keyframes bob{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* =========================================================
   Store badges (injected by JS)
   ========================================================= */
.store-badges{display:flex;gap:14px;flex-wrap:wrap}
.store-badges-center{justify-content:center}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.store-badge{
  display:flex;align-items:center;gap:11px;
  padding:10px 18px 10px 15px;border-radius:14px;
  background:#0d0f17;border:1px solid rgba(255,255,255,.16);
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
  min-width:170px;
}
.store-badge:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.4);box-shadow:0 14px 30px rgba(0,0,0,.5)}
.store-badge svg{flex:none}
.store-badge .sb-text{display:flex;flex-direction:column;line-height:1.1}
.store-badge .sb-small{font-size:.62rem;letter-spacing:.04em;color:#c8cee0;text-transform:uppercase}
.store-badge .sb-big{font-family:"Poppins",sans-serif;font-weight:600;font-size:1.12rem;color:#fff}

/* =========================================================
   FEATURED GAME
   ========================================================= */
.game{position:relative;padding:110px 0;background:
  radial-gradient(ellipse 60% 50% at 80% 20%,rgba(247,201,72,.08),transparent 60%),
  linear-gradient(180deg,#070a16,#090c1c);}
.game-inner{display:grid;grid-template-columns:0.9fr 1.1fr;gap:70px;align-items:center}

/* Phone mockup */
.phone-wrap{position:relative;display:flex;flex-direction:column;align-items:center}
.phone{
  position:relative;z-index:2;width:284px;height:580px;border-radius:46px;
  background:linear-gradient(160deg,#23283b,#0c0e18);
  padding:13px;box-shadow:var(--shadow),inset 0 0 0 2px rgba(255,255,255,.06);
}
.phone-notch{position:absolute;top:13px;left:50%;transform:translateX(-50%);width:120px;height:24px;background:#05060c;border-radius:0 0 16px 16px;z-index:3}
.phone-screen{
  position:relative;width:100%;height:100%;border-radius:34px;overflow:hidden;
  background:radial-gradient(ellipse at 50% 0%,#13183a 0%,#070a18 70%);
  display:flex;flex-direction:column;
}
.shots{position:absolute;inset:0}
.shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s var(--ease)}
.shot.is-active{opacity:1}
.shot-dots{display:flex;justify-content:center;gap:8px;margin-top:18px;position:relative;z-index:3}
.shot-dots button{width:8px;height:8px;border-radius:50%;border:0;padding:0;cursor:pointer;background:rgba(255,255,255,.28);transition:background .3s,transform .3s}
.shot-dots button.is-active{background:var(--gold);transform:scale(1.35)}
.phone-glow{position:absolute;z-index:1;width:340px;height:340px;left:50%;top:42%;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(58,123,255,.4),transparent 65%);filter:blur(60px)}

/* Copy column */
.game-copy{max-width:520px}
.game-logo{margin:14px 0 16px}
.game-logo img{width:min(310px,80%);filter:drop-shadow(0 8px 22px rgba(0,0,0,.45))}
.rating{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.stars-5{color:var(--gold);font-size:1.2rem;letter-spacing:2px;text-shadow:0 0 14px rgba(247,201,72,.5)}
.rating-text{color:var(--ink-soft);font-size:.92rem}
.game-desc{color:var(--ink-soft);font-size:1.06rem}
.game-desc strong{color:var(--ink)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:24px 0 30px}
.chips li{
  font-family:"Poppins",sans-serif;font-size:.86rem;font-weight:500;
  padding:.5em 1em;border-radius:999px;color:var(--ink);
  background:var(--panel);border:1px solid var(--panel-brd);
}

/* =========================================================
   ARENA SHOWCASE
   ========================================================= */
.arena{position:relative;overflow:hidden;padding:104px 0;background:
  radial-gradient(ellipse 70% 60% at 50% 18%,rgba(155,107,255,.16),transparent 60%),
  linear-gradient(180deg,#090c1c,#070a16)}
.arena-inner{position:relative;z-index:2}
.arena-banner{position:relative;max-width:900px;margin:16px auto 0;border-radius:22px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(0,0,0,.5),0 0 70px rgba(90,169,255,.2);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.arena-banner:hover{transform:translateY(-6px);box-shadow:0 34px 70px rgba(0,0,0,.55),0 0 90px rgba(155,107,255,.3)}
.arena-banner img{width:100%;display:block}
.arena-banner-glow{position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 50px rgba(0,0,0,.35);border-radius:inherit}
.arena-cta{text-align:center;margin-top:36px}
.arena-items-head{text-align:center;margin:46px 0 18px;color:var(--ink-soft);font-family:"Poppins",sans-serif;font-weight:600}
.arena-items{list-style:none;padding:0;margin:0 auto;max-width:880px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.arena-items li{display:flex;flex-direction:column;align-items:center;text-align:center;gap:7px;padding:24px 14px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--panel-brd)}
.arena-items .ai-ico{font-size:2rem;line-height:1}
.arena-items strong{font-family:"Poppins",sans-serif;font-size:1.02rem;color:var(--ink)}
.arena-items li span:last-child{font-size:.84rem;color:var(--ink-dim);line-height:1.45}
@media (max-width:680px){.arena-items{grid-template-columns:repeat(2,1fr)}}

/* RTL (Arabic) */
[dir="rtl"] .game-copy,[dir="rtl"] .studio-copy{text-align:right}
[dir="rtl"] .game-copy .chips,[dir="rtl"] .game-copy .rating,[dir="rtl"] .game-copy .store-badges{justify-content:flex-end}

/* =========================================================
   FEATURES
   ========================================================= */
.features{padding:110px 0;background:#070a16}
.section-head{text-align:center;max-width:660px;margin:0 auto 56px}
.section-head h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:.4em 0}
.section-sub{color:var(--ink-soft)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  position:relative;padding:32px 26px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--panel-brd);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s,box-shadow .3s;
}
.feature-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,rgba(247,201,72,.5),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 24px 50px rgba(0,0,0,.4)}
.feature-card:hover::before{opacity:1}
.fc-icon{width:64px;height:64px;display:grid;place-items:center;margin-bottom:18px;
  background:radial-gradient(circle at 50% 30%,rgba(255,255,255,.1),rgba(255,255,255,.02));
  border-radius:16px;border:1px solid var(--panel-brd)}
.fc-icon img{width:38px;height:auto;filter:drop-shadow(0 4px 10px rgba(0,0,0,.4))}
.feature-card h3{font-size:1.2rem;margin-bottom:8px}
.feature-card p{color:var(--ink-soft);font-size:.96rem;margin:0}

/* =========================================================
   STUDIO
   ========================================================= */
.studio{position:relative;padding:120px 0;overflow:hidden;background:
  radial-gradient(ellipse 70% 60% at 20% 30%,rgba(58,123,255,.14),transparent 60%),
  linear-gradient(180deg,#070a16,#0a0e20)}
.studio-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.studio-copy h2{font-size:clamp(1.9rem,4.4vw,2.9rem);margin:.35em 0 .5em}
.studio-copy p{color:var(--ink-soft);font-size:1.1rem;max-width:560px}
.stat-row{display:flex;gap:40px;margin-top:38px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat-num{font-family:"Poppins",sans-serif;font-weight:800;font-size:2.4rem;line-height:1;
  background:linear-gradient(135deg,var(--gold),#ffe9a8);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:var(--ink-dim);font-size:.86rem;margin-top:6px;letter-spacing:.04em}
.studio-art{position:relative;display:grid;place-items:center}
.studio-icon{width:min(280px,70%);border-radius:30px;box-shadow:var(--shadow);animation:logoFloat 7s ease-in-out infinite}
.studio-icon-glow{position:absolute;width:70%;height:70%;background:radial-gradient(circle,rgba(247,201,72,.4),transparent 65%);filter:blur(55px);z-index:-1}

/* =========================================================
   CTA
   ========================================================= */
.cta{padding:96px 0;background:
  radial-gradient(ellipse 60% 120% at 50% 0%,rgba(247,201,72,.12),transparent 60%),#070a16;
  text-align:center}
.cta-inner h2{font-size:clamp(2rem,5vw,3rem)}
.cta-inner p{color:var(--ink-soft);font-size:1.15rem;margin:.6em 0 32px}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:#05060e;border-top:1px solid var(--panel-brd);padding:54px 0 34px}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-brand img{height:38px;margin-bottom:12px}
.footer-brand p{color:var(--ink-dim);margin:0;font-size:.95rem}
.footer-links{display:flex;gap:26px;flex-wrap:wrap}
.footer-links a{color:var(--ink-soft);font-size:.94rem;transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-legal{display:flex;justify-content:space-between;gap:16px 28px;flex-wrap:wrap;padding-top:24px}
.footer-legal p{color:var(--ink-dim);font-size:.82rem;margin:0}
.legal-lines{display:flex;flex-direction:column;gap:3px}
.legal-lines p[lang="en"]{opacity:.62}

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .game-inner{grid-template-columns:1fr;gap:50px}
  .game-copy{max-width:none;text-align:center;margin:0 auto}
  .game-logo img{margin-inline:auto}
  .chips,.store-badges,.rating{justify-content:center}
  .studio-inner{grid-template-columns:1fr;gap:46px;text-align:center}
  .studio-copy p{margin-inline:auto}
  .stat-row{justify-content:center}
  .studio-art{order:-1}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .feature-grid{grid-template-columns:1fr}
  .footer-legal{flex-direction:column}
  .hero{padding-top:104px}
  section{scroll-margin-top:70px}
  .float-block{display:none}
  .hero-badges{flex-direction:column;align-items:center}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
}