:root{
  --bg1:#edf4ff;
  --bg2:#eefef7;
  --bg3:#fff4ea;
  --bg4:#f9f3ff;
  --card:rgba(255,255,255,0.9);
  --card-border:rgba(255,255,255,0.72);
  --text:#121826;
  --muted:#667085;
  --primary:#2457f5;
  --primary-2:#7493ff;
  --accent:#16c7b1;
  --soft:#f4f7ff;
  --soft-2:#edf2ff;
  --danger:#dc2626;
  --danger-bg:rgba(220,38,38,.08);
  --shadow:0 14px 36px rgba(29,45,87,0.10);
  --blur:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',sans-serif;
  min-height:100vh;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(36,87,245,.12) 0, transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(22,199,177,.10) 0, transparent 22%),
    radial-gradient(circle at 20% 90%, rgba(255,183,104,.10) 0, transparent 25%),
    linear-gradient(135deg,var(--bg1),var(--bg2) 38%,var(--bg3) 68%,var(--bg4));
  transition:background .25s,color .25s;
}
body.dark{
  --card:rgba(14,19,31,0.94);
  --card-border:rgba(255,255,255,0.06);
  --text:#f5f7ff;
  --muted:#97a2b7;
  --primary:#6388ff;
  --primary-2:#89a6ff;
  --accent:#29d4c2;
  --soft:#101723;
  --soft-2:#172132;
  --danger:#ff6b6b;
  --danger-bg:rgba(255,107,107,.09);
  --shadow:0 14px 36px rgba(0,0,0,0.28);
  background:
    radial-gradient(circle at 10% 10%, rgba(76,107,255,.12) 0, transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(41,212,194,.08) 0, transparent 22%),
    radial-gradient(circle at 20% 90%, rgba(255,185,111,.06) 0, transparent 25%),
    linear-gradient(135deg,#070b14,#0d1420 38%,#121824 68%,#161223);
}
button,input{font:inherit}
a{text-decoration:none;color:inherit}
.page-shell{max-width:1400px;margin:0 auto;padding:18px 18px 28px}
.header-wrap{position:sticky;top:10px;z-index:1000;transition:opacity .22s ease,transform .22s ease}
.header-wrap.hidden-on-modal{opacity:0;pointer-events:none;transform:translateY(-14px)}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;border-radius:24px;background:var(--card);border:1px solid var(--card-border);
  box-shadow:var(--shadow);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
  transition:padding .22s ease,border-radius .22s ease,box-shadow .22s ease,background .22s ease;
}
.topbar.scrolled{
  padding:12px 16px;border-radius:20px;box-shadow:0 10px 26px rgba(29,45,87,.14);
  background:rgba(255,255,255,.94);
}
body.dark .topbar.scrolled{background:rgba(10,14,24,.96)}

/* Tilda-safe header overrides */
.topbar .logo,
.topbar .logo:link,
.topbar .logo:visited,
.topbar .logo:hover,
.topbar .logo:active{
  color:#111111 !important;
  background:none !important;
  -webkit-background-clip:initial !important;
  background-clip:initial !important;
  text-decoration:none !important;
  font-family:'Space Grotesk',sans-serif !important;
  font-size:30px !important;
  font-weight:700 !important;
  letter-spacing:-0.05em !important;
  transition:transform .2s ease, opacity .2s ease, color .2s ease !important;
}
body.dark .topbar .logo,
body.dark .topbar .logo:link,
body.dark .topbar .logo:visited,
body.dark .topbar .logo:hover,
body.dark .topbar .logo:active{
  color:#ffffff !important;
  background:none !important;
}
.topbar .logo:hover{
  transform:translateY(-1px) !important;
  opacity:.82 !important;
}

.nav-links{display:flex;gap:10px;align-items:center}
.topbar .nav-links a,
.topbar .nav-links a:link,
.topbar .nav-links a:visited,
.topbar .login-btn,
.topbar .login-btn:link,
.topbar .login-btn:visited,
.topbar .mobile-menu a,
.topbar .mobile-menu a:link,
.topbar .mobile-menu a:visited{
  color:#111111 !important;
  text-decoration:none !important;
}
body.dark .topbar .nav-links a,
body.dark .topbar .nav-links a:link,
body.dark .topbar .nav-links a:visited,
body.dark .topbar .login-btn,
body.dark .topbar .login-btn:link,
body.dark .topbar .login-btn:visited,
body.dark .topbar .mobile-menu a,
body.dark .topbar .mobile-menu a:link,
body.dark .topbar .mobile-menu a:visited{
  color:#ffffff !important;
}
.topbar .nav-links a,
.topbar .login-btn,
.topbar .mobile-menu a{
  position:relative !important;
  padding:11px 15px !important;
  border-radius:14px !important;
  font-weight:800 !important;
  font-size:14px !important;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease !important;
}
.topbar .nav-links a:hover,
.topbar .login-btn:hover,
.topbar .mobile-menu a:hover{
  transform:translateY(-1px) !important;
  background:rgba(17,17,17,.06) !important;
  box-shadow:0 8px 18px rgba(17,17,17,.06) !important;
}
body.dark .topbar .nav-links a:hover,
body.dark .topbar .login-btn:hover,
body.dark .topbar .mobile-menu a:hover{
  background:rgba(255,255,255,.08) !important;
  box-shadow:0 8px 18px rgba(0,0,0,.18) !important;
}
.topbar .nav-links a.active,
.topbar .mobile-menu a.active{
  background:rgba(17,17,17,.08) !important;
  color:#111111 !important;
}
body.dark .topbar .nav-links a.active,
body.dark .topbar .mobile-menu a.active{
  background:rgba(255,255,255,.10) !important;
  color:#ffffff !important;
}
.topbar .login-btn{
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  background:transparent !important;
  border:1px solid rgba(17,17,17,.08) !important;
}
body.dark .topbar .login-btn{
  background:transparent !important;
  border:1px solid rgba(255,255,255,.10) !important;
}

.actions{display:flex;align-items:center;gap:12px;position:relative}
.topbar .theme-toggle,
.topbar .burger{
  width:46px !important;height:46px !important;border:none !important;border-radius:16px !important;
  background:var(--soft) !important;color:#111111 !important;
  cursor:pointer !important;display:flex !important;align-items:center !important;justify-content:center !important;
  transition:.2s !important;
}
body.dark .topbar .theme-toggle,
body.dark .topbar .burger{
  color:#ffffff !important;
}
.topbar .theme-toggle svg{
  width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}
.topbar .burger{
  display:none !important;flex-direction:column !important;gap:5px !important;
}
.topbar .burger span{
  width:21px !important;height:2px !important;background:#111111 !important;border-radius:2px !important;transition:.24s !important;
}
body.dark .topbar .burger span{background:#ffffff !important}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;position:absolute;right:0;top:62px;width:230px;padding:10px;border-radius:20px;
  background:var(--card);border:1px solid var(--card-border);backdrop-filter:blur(var(--blur));
  -webkit-backdrop-filter:blur(var(--blur));box-shadow:var(--shadow);
}
.mobile-menu.show{display:flex;flex-direction:column;gap:8px;animation:menuIn .18s ease}
.mobile-menu a{display:block;padding:12px 14px;border-radius:14px;font-weight:800}
.mobile-menu a:hover{background:var(--soft)}
@keyframes menuIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

.swap-wrap{margin-top:22px;display:flex;justify-content:center}
.swap-top{
  width:62px;height:62px;border:none;border-radius:20px;cursor:pointer;color:var(--primary);
  background:var(--card);border:1px solid var(--card-border);box-shadow:var(--shadow);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));font-size:29px;transition:transform .24s ease;
}
.swap-top.animate{transform:rotate(180deg)}
.exchange-grid{margin-top:18px;display:grid;grid-template-columns:1.08fr 1.08fr .9fr;gap:20px}
.card{
  background:var(--card);border:1px solid var(--card-border);border-radius:26px;box-shadow:var(--shadow);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));padding:24px;
}
.card-title{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:700;letter-spacing:-.04em;margin-bottom:16px}
.amount{
  display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px;border-radius:22px;
  background:linear-gradient(180deg,var(--soft),var(--soft-2));margin-bottom:14px;
}
.amount input{width:100%;border:none;outline:none;background:transparent;color:var(--text);font-size:35px;font-weight:800}
.currency-picker{
  min-width:148px;padding:10px 12px;border:none;border-radius:18px;cursor:pointer;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.70);color:var(--text);font-weight:800;
}
body.dark .currency-picker{background:rgba(255,255,255,.06)}
.currency-picker img{width:28px;height:28px;border-radius:50%;object-fit:cover;background:#fff}
.arrow{font-size:12px;opacity:.7}
.subtext{font-size:14px;line-height:1.5;color:var(--muted);margin-bottom:6px}
.min-note{font-size:13px;line-height:1.45;color:var(--muted)}
.info-chip-wrap{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px}
.info-chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:14px;background:var(--soft);
  color:var(--muted);font-size:13px;font-weight:800;
}
.rateBox{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 16px;border-radius:20px;
  background:linear-gradient(180deg,var(--soft),var(--soft-2));margin-bottom:16px;
}
#rateText{font-size:14px;line-height:1.45;font-weight:800}
.timer{font-size:13px;color:var(--muted);white-space:nowrap}
.right input{
  width:100%;margin-top:12px;padding:15px 16px;border-radius:16px;border:1px solid rgba(148,163,184,.18);
  outline:none;background:rgba(255,255,255,.58);color:var(--text);
}
body.dark .right input{background:rgba(255,255,255,.04)}
.exchange-btn{
  width:100%;margin-top:18px;padding:18px;border:none;border-radius:18px;cursor:pointer;color:#fff;font-weight:800;
  font-size:16px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 10px 20px rgba(34,84,245,.18);
}
.checks{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.checks label{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:13px;line-height:1.4}
.checks input{width:18px;height:18px;min-width:18px;margin-top:1px;border-radius:4px;accent-color:var(--primary)}
.aml-text{margin-top:12px;color:var(--muted);font-size:12px;line-height:1.5}
.error-text,.form-error{
  display:none;margin-top:10px;color:var(--danger);font-size:13px;line-height:1.45;padding:12px 14px;
  border-radius:14px;background:var(--danger-bg);border:1px solid rgba(220,38,38,.18);
}
.error-text.show,.form-error.show{display:block}
.input-error{color:var(--danger)!important}
.section{margin-top:34px}
.section-title{
  text-align:center;font-family:'Space Grotesk',sans-serif;font-size:38px;font-weight:700;letter-spacing:-.05em;margin-bottom:34px;
}
.section-title span{
  background:linear-gradient(90deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{
  background:var(--card);border:1px solid var(--card-border);border-radius:24px;padding:28px;text-align:center;
  box-shadow:var(--shadow);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));transition:transform .18s ease;
}
.adv-card:hover{transform:translateY(-4px)}
.adv-card img{width:90px;height:90px;object-fit:contain;margin-bottom:18px}
.adv-number{
  font-family:'Space Grotesk',sans-serif;font-size:34px;font-weight:700;letter-spacing:-.04em;color:var(--primary);margin-bottom:10px;
}
.adv-text{font-size:16px;line-height:1.55;color:var(--muted)}

.asset-modal{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(8,12,20,.62);padding:16px;z-index:999;
}
.asset-modal.show{display:flex}
.modal-card{
  width:min(760px,100%);max-height:min(86vh,820px);overflow:hidden;display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--card-border);border-radius:24px;box-shadow:var(--shadow);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px 12px;border-bottom:1px solid rgba(148,163,184,.15);
}
.modal-title{font-family:'Space Grotesk',sans-serif;font-size:21px;font-weight:700}
.modal-close{width:42px;height:42px;border:none;border-radius:14px;background:var(--soft);color:var(--text);cursor:pointer}
.modal-body{padding:16px;overflow:auto}
.modal-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.modal-tabs button{
  border:none;padding:10px 15px;border-radius:999px;cursor:pointer;background:var(--soft);color:var(--muted);font-weight:800;
}
.modal-tabs button.active{background:var(--soft-2);color:var(--primary)}
.search{
  width:100%;margin-bottom:14px;padding:14px 16px;border:none;outline:none;border-radius:16px;background:var(--soft);color:var(--text);
}
.asset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.asset-btn{
  width:100%;text-align:left;border:none;cursor:pointer;padding:14px;border-radius:18px;background:linear-gradient(180deg,var(--soft),var(--soft-2));
  display:flex;align-items:center;gap:12px;
}
.asset-btn.active{outline:2px solid rgba(34,84,245,.24)}
.asset-btn img{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#fff;flex-shrink:0}
.asset-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.asset-name{font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.asset-sub{font-size:12px;color:var(--muted)}
.asset-tag{
  margin-left:auto;padding:6px 10px;border-radius:999px;background:rgba(34,84,245,.08);color:var(--primary);font-size:12px;font-weight:800;
}
@media(max-width:1180px){.exchange-grid{grid-template-columns:1fr}}
@media(max-width:900px){.advantages-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  :root{--blur:6px;--shadow:0 10px 24px rgba(29,45,87,0.10)}
  .nav-links,.login-btn{display:none}
  .topbar .burger{display:flex !important}
  .card,.adv-card{padding:20px}
  .amount{padding:14px}
  .amount input{font-size:28px}
  .currency-picker{min-width:128px}
  .asset-grid{grid-template-columns:1fr}
  .topbar{padding:14px 16px;border-radius:22px}
  .topbar.scrolled{padding:11px 14px;border-radius:18px}
  .mobile-menu{top:58px;width:210px;right:0}
}
@media(max-width:560px){.advantages-grid{grid-template-columns:1fr}}

/* Footer */
.bitvier-footer{
  position:relative;
  padding:34px 18px 26px;
  overflow:hidden;
}

.bitvier-footer-glow{
  position:absolute;
  inset:auto 0 0 0;
  height:220px;
  background:
    radial-gradient(circle at 15% 50%, rgba(36,87,245,.08), transparent 35%),
    radial-gradient(circle at 85% 50%, rgba(22,199,177,.06), transparent 35%);
  pointer-events:none;
}

.bitvier-footer-shell{
  position:relative;
  z-index:2;
  max-width:1320px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  gap:24px;
  padding:24px;
  border-radius:28px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.72);
  box-shadow:0 18px 50px rgba(31,48,89,.10);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

body.dark .bitvier-footer-shell{
  background:rgba(13,18,30,.9);
  border:1px solid rgba(255,255,255,.06);
  box-shadow:0 18px 50px rgba(0,0,0,.34);
}

.bitvier-footer-left{
  max-width:760px;
}

.bitvier-footer-logo,
.bitvier-footer-logo:link,
.bitvier-footer-logo:visited,
.bitvier-footer-logo:hover,
.bitvier-footer-logo:active{
  display:inline-block;
  margin-bottom:14px;
  font-family:'Space Grotesk',sans-serif;
  font-size:30px;
  font-weight:700;
  letter-spacing:-0.05em;
  color:#111111 !important;
  text-decoration:none !important;
  background:none !important;
  -webkit-background-clip:initial !important;
  background-clip:initial !important;
}

body.dark .bitvier-footer-logo,
body.dark .bitvier-footer-logo:link,
body.dark .bitvier-footer-logo:visited,
body.dark .bitvier-footer-logo:hover,
body.dark .bitvier-footer-logo:active{
  color:#ffffff !important;
}

.bitvier-footer-text{
  font-size:13px;
  line-height:1.7;
  color:#4b5563 !important;
  margin-bottom:18px;
}

body.dark .bitvier-footer-text{
  color:#cbd5e1 !important;
}

.bitvier-footer-partners{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.bitvier-partner{
  width:88px;
  height:62px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:8px;
  border-radius:16px;
  background:linear-gradient(180deg,#f4f7ff,#edf2ff);
  border:1px solid rgba(36,87,245,.06);
  transition:transform .2s ease, box-shadow .2s ease;
}

.bitvier-partner:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 20px rgba(36,87,245,.08);
}

body.dark .bitvier-partner{
  background:linear-gradient(180deg,#101723,#172132);
  border:1px solid rgba(255,255,255,.05);
}

.bitvier-partner img{
  width:100%;
  height:100%;
  object-fit:contain;
  border-radius:8px;
}

.bitvier-footer-right{
  min-width:300px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.bitvier-footer-card{
  padding:18px;
  border-radius:20px;
  background:linear-gradient(180deg,#f4f7ff,#edf2ff);
  border:1px solid rgba(36,87,245,.06);
}

body.dark .bitvier-footer-card{
  background:linear-gradient(180deg,#101723,#172132);
  border:1px solid rgba(255,255,255,.05);
}

.bitvier-footer-label{
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:800;
  color:#4b5563 !important;
  margin-bottom:8px;
}

body.dark .bitvier-footer-label{
  color:#cbd5e1 !important;
}

.bitvier-footer-value,
.bitvier-footer-value:link,
.bitvier-footer-value:visited{
  font-size:18px;
  font-weight:800;
  color:#111111 !important;
  word-break:break-word;
  text-decoration:none !important;
}

body.dark .bitvier-footer-value,
body.dark .bitvier-footer-value:link,
body.dark .bitvier-footer-value:visited{
  color:#ffffff !important;
}

.bitvier-footer-telegram,
.bitvier-footer-telegram:link,
.bitvier-footer-telegram:visited{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  color:#111111 !important;
  text-decoration:none !important;
}

body.dark .bitvier-footer-telegram,
body.dark .bitvier-footer-telegram:link,
body.dark .bitvier-footer-telegram:visited{
  color:#ffffff !important;
}

.bitvier-footer-telegram img{
  width:22px;
  height:22px;
  object-fit:contain;
}

@media(max-width:900px){
  .bitvier-footer-shell{
    flex-direction:column;
  }
  .bitvier-footer-right{
    min-width:auto;
  }
}

@media(max-width:640px){
  .bitvier-footer{
    padding:28px 14px 18px;
  }

  .bitvier-footer-shell{
    padding:18px;
    border-radius:22px;
  }

  .bitvier-partner{
    width:72px;
    height:52px;
    border-radius:14px;
  }

  .bitvier-footer-value{
    font-size:16px;
  }

  .bitvier-footer-telegram{
    font-size:15px;
  }
}

.wallet-exchange-summary{display:grid;gap:10px;margin-top:4px}.wallet-exchange-summary>div{display:flex;justify-content:space-between;gap:16px;padding:12px 14px;border-radius:14px;background:var(--soft);font-size:13px}.wallet-exchange-summary span{color:var(--muted)}.wallet-exchange-summary strong{text-align:right;overflow-wrap:anywhere}.exchange-success{display:none;margin-top:12px;padding:13px 14px;border-radius:14px;background:rgba(22,199,132,.12);color:#07966f;font-size:13px;font-weight:800;line-height:1.5}.exchange-success.show{display:block}.exchange-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.amount input:disabled{opacity:1}

#exchange{scroll-margin-top:132px}
@media(max-width:820px){#exchange{scroll-margin-top:88px}}