:root{
  --navy:#213450;
  --pink:#E481A8;
  --blue:#B0C9F5;
  --lav:#C7B3F5;
  --mint:#B8E3D1;
  --bg:#F4F6F9;
  --text:#213450;
  --muted:#667388;
  --line:rgba(33,52,80,.10);
  --page-max:1480px;
  --content-max:1320px;
  --case-pad-x:clamp(72px,7.6vw,118px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}

.serif{
  font-family:Georgia,"Times New Roman",serif;
  font-weight:400;
  letter-spacing:-.035em;
}

.kicker{
  text-transform:uppercase;
  font-size:12px;
  letter-spacing:.16em;
  font-weight:800;
  color:#8792A2;
  margin-bottom:16px;
}

.nav-wrap{
  position:sticky;
  top:14px;
  z-index:120;
  width:min(calc(100% - 28px),var(--page-max));
  margin:14px auto 0;
}
.main-nav{
  min-height:86px;
  padding:18px 22px 18px 26px;
  border-radius:22px;
  background:rgba(255,255,255,.80);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  border:1px solid rgba(255,255,255,.86);
  box-shadow:0 18px 45px rgba(33,52,80,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo img{width:188px;height:auto}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  font-size:14px;
}
.nav-links a{color:#4F5D73}
.nav-links a.active{color:var(--navy);font-weight:700}
.nav-pill{
  padding:14px 22px;
  border-radius:999px;
  background:var(--navy);
  color:#fff!important;
  font-weight:700;
}
.lang-switch{
  display:inline-flex;
  align-items:center;
  gap:4px;
  min-height:34px;
  padding:0 9px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.60);
}
.lang-btn{
  border:0;
  background:transparent;
  padding:0;
  color:#8A94A4;
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
}
.lang-btn.is-active{color:var(--navy)}
.lang-divider{color:#B1B8C3;font-size:11px}

.mobile-nav{display:none;position:relative}
.mobile-nav summary{
  list-style:none;
  cursor:pointer;
  width:48px;
  height:48px;
  border-radius:999px;
  background:var(--navy);
  display:grid;
  place-content:center;
  gap:6px;
}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav summary span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:#fff;
}
.mobile-nav-panel{
  position:absolute;
  right:0;
  top:58px;
  width:min(320px,calc(100vw - 40px));
  padding:14px;
  border-radius:20px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  border:1px solid var(--line);
  box-shadow:0 18px 45px rgba(33,52,80,.10);
  display:grid;
  gap:4px;
}
.mobile-nav-panel>a{
  padding:13px 14px;
  border-radius:14px;
  color:#4F5D73;
  font-size:14px;
}
.mobile-nav-panel>a.active{
  background:#F3F6FB;
  color:var(--navy);
  font-weight:700;
}
.mobile-nav-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:8px;
  padding-top:12px;
  border-top:1px solid var(--line);
}

main{
  width:min(calc(100% - 72px),var(--content-max));
  margin:18px auto 28px;
  display:grid;
  gap:18px;
}
section{
  background:#fff;
  border-radius:34px;
  overflow:hidden;
}




.error-page{
  min-height:720px;
  padding:88px var(--case-pad-x);
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(340px,.75fr);
  gap:72px;
  align-items:center;
  background:
    radial-gradient(circle at 88% 14%,rgba(228,129,168,.18),transparent 28%),
    radial-gradient(circle at 10% 88%,rgba(176,201,245,.22),transparent 28%),
    #fff;
}

.error-copy{
  max-width:820px;
}

.error-code{
  margin-bottom:22px;
  font-size:13px;
  line-height:1;
  letter-spacing:.18em;
  font-weight:800;
  color:var(--pink);
}

.error-page h1{
  margin:0 0 24px;
  font-size:clamp(48px,5.15vw,80px);
  line-height:1.02;
  letter-spacing:-.05em;
}

.error-lead{
  margin:0;
  max-width:680px;
  color:#59677B;
  font-size:18px;
  line-height:1.62;
}

.error-actions{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.primary-action,
.secondary-action{
  min-height:50px;
  padding:0 20px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
}

.primary-action{
  background:var(--navy);
  color:#fff;
}

.secondary-action{
  border:1px solid var(--line);
  background:#fff;
  color:var(--navy);
}

.error-visual{
  position:relative;
  min-height:420px;
  border-radius:32px;
  border:1px solid var(--line);
  overflow:hidden;
  background:
    radial-gradient(circle at 50% 50%,rgba(199,179,245,.18),transparent 34%),
    linear-gradient(145deg,rgba(255,255,255,.90),rgba(244,246,249,.86));
}

.error-star{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  font-size:88px;
  color:var(--pink);
  filter:drop-shadow(0 14px 28px rgba(228,129,168,.16));
}

.orbit{
  position:absolute;
  left:50%;
  top:50%;
  border:1px dashed rgba(33,52,80,.15);
  border-radius:50%;
  transform:translate(-50%,-50%);
}

.orbit-one{width:220px;height:220px}
.orbit-two{width:330px;height:330px}

.floating-note{
  position:absolute;
  padding:10px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:0 12px 28px rgba(33,52,80,.06);
  color:#6B778A;
  font-size:12px;
  font-weight:700;
}

.note-one{top:62px;left:42px}
.note-two{right:34px;top:154px}
.note-three{left:86px;bottom:54px}

@media(max-width:1050px){
  .error-page{
    grid-template-columns:1fr;
    gap:48px;
    min-height:auto;
    padding-top:76px;
    padding-bottom:82px;
  }
  .error-visual{
    min-height:360px;
  }
}

@media(max-width:760px){
  .error-page{
    padding:58px var(--case-pad-x) 64px;
    gap:38px;
  }
  .error-page h1{
    font-size:48px;
  }
  .error-actions{
    display:grid;
  }
  .primary-action,
  .secondary-action{
    width:100%;
  }
  .error-visual{
    min-height:300px;
    border-radius:26px;
  }
  .orbit-one{width:170px;height:170px}
  .orbit-two{width:250px;height:250px}
  .error-star{font-size:70px}
  .note-one{top:34px;left:22px}
  .note-two{right:18px;top:122px}
  .note-three{left:48px;bottom:34px}
}
.site-footer{
  width:min(calc(100% - 72px),var(--content-max));
  margin:0 auto 28px;
  padding:24px 8px;
  background:transparent;
  color:#7A8596;
  text-align:center;
  font-size:13px;
  line-height:1.5;
}

@media(max-width:1050px){
  :root{--case-pad-x:clamp(38px,5.5vw,64px)}
  main{width:min(calc(100% - 44px),var(--content-max))}
}

@media(max-width:760px){
  :root{--case-pad-x:24px}
  .nav-wrap{top:10px;width:calc(100% - 20px);margin-top:10px}
  .main-nav{min-height:68px;padding:12px 14px 12px 18px;border-radius:20px}
  .logo img{width:150px}
  .nav-links{display:none}
  .mobile-nav{display:block}
  main{width:calc(100% - 20px);gap:14px}
  section{border-radius:26px}
.site-footer{width:calc(100% - 20px);font-size:12px}
}


/* v1.2 — English version coming soon */
.lang-btn:disabled,.lang-btn[aria-disabled="true"]{color:#AAB2BE !important;opacity:.55;cursor:not-allowed}