:root{
  --bg:#07111f;
  --bg-soft:#0c1a2c;
  --surface:#0f2137;
  --surface-2:#132742;
  --text:#eef4ff;
  --muted:#9eb1cf;
  --line:rgba(255,255,255,.08);
  --primary:#6ca8ff;
  --primary-2:#8f6cff;
  --success:#4bd39b;
  --danger:#ff6b81;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --radius:24px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(108,168,255,.12), transparent 35%),
    radial-gradient(circle at bottom right, rgba(143,108,255,.1), transparent 30%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(100% - 32px, var(--container));margin:0 auto}
.theme-dark{min-height:100vh;position:relative;overflow-x:hidden}
.bg-orb{
  position:fixed; border-radius:999px; filter:blur(70px); opacity:.35; pointer-events:none; z-index:0;
}
.bg-orb-1{width:280px;height:280px;background:#345dff;top:60px;left:-60px}
.bg-orb-2{width:320px;height:320px;background:#7f4fff;right:-80px;bottom:40px}

.glass{
  background:linear-gradient(180deg, rgba(19,39,66,.82), rgba(9,20,34,.86));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
}

.site-header{
  position:sticky;top:0;z-index:30;
  backdrop-filter:blur(18px);
  background:rgba(7,17,31,.55);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.2px}
.brand-mark{
  width:38px;height:38px;border-radius:14px;display:grid;place-items:center;font-weight:900;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:white;box-shadow:0 12px 28px rgba(108,168,255,.3);
}
.nav{display:flex;align-items:center;gap:20px}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--text)}
.nav-link-pill{
  padding:10px 14px;border-radius:999px;border:1px solid var(--line);
}
.mobile-menu-toggle{
  display:none;background:none;border:none;padding:8px;cursor:pointer
}
.mobile-menu-toggle span{
  display:block;width:24px;height:2px;background:white;margin:5px 0;border-radius:999px
}

.btn{
  border:none;cursor:pointer;padding:14px 20px;border-radius:16px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:.2s transform,.2s opacity,.2s border-color;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  color:white;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 16px 34px rgba(108,168,255,.25);
}
.btn-secondary{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.btn-sm{padding:10px 14px;border-radius:14px;font-size:.92rem}
.w-full{width:100%}

.hero{position:relative;z-index:1;padding:88px 0 48px}
.hero-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center
}
.eyebrow{
  display:inline-block;padding:8px 12px;border-radius:999px;border:1px solid rgba(108,168,255,.25);
  color:#c7d9ff;background:rgba(108,168,255,.08);font-size:.86rem;margin-bottom:16px
}
.hero h1,.section-head h2,.auth-info h1,.verify-card h1,.dashboard-top h1{
  margin:0 0 14px;font-size:clamp(2.2rem,5vw,4.25rem);line-height:1.02;letter-spacing:-.03em
}
.hero-text,.section-head p,.auth-info p,.verify-card p{color:var(--muted);font-size:1.05rem;line-height:1.75;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-badges span{
  background:rgba(255,255,255,.04);border:1px solid var(--line);padding:10px 14px;border-radius:999px;
  color:#d7e4ff;font-size:.92rem
}

.hero-card{border-radius:32px;padding:22px}
.mini-app-top{display:flex;gap:8px;margin-bottom:18px}
.dot{width:10px;height:10px;border-radius:999px;display:inline-block}
.red{background:#ff637f}.yellow{background:#f3c95f}.green{background:#4bd39b}
.mini-stack{display:grid;gap:14px}
.mini-box{
  padding:18px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line)
}
.mini-box strong{display:block;margin-bottom:6px}
.mini-box p{margin:0;color:var(--muted);line-height:1.6}
.mini-box.accent{background:linear-gradient(135deg, rgba(108,168,255,.16), rgba(143,108,255,.16))}
.mini-arrow{text-align:center;color:#adc5ff}
.mini-footer{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px
}
.mini-footer div{padding:14px;border-radius:18px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.mini-footer small{display:block;color:var(--muted);margin-bottom:6px}

.section{position:relative;z-index:1;padding:44px 0}
.section-alt{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0))}
.section-head{text-align:center;max-width:820px;margin:0 auto 28px}
.section-head h2{font-size:clamp(1.9rem,4vw,3.1rem)}

.feature-grid,.pricing-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px
}
.feature-card,.price-card,.faq-item,.contact-card,.auth-card,.auth-point,.contact-point,.panel-card,.dashboard-top,.dashboard-sidebar{
  border-radius:28px
}
.feature-card,.price-card,.panel-card,.contact-card,.auth-card,.auth-point,.contact-point{
  padding:24px
}
.feature-card h3,.price-card h3,.panel-card h2{margin:0 0 12px}
.feature-card p,.price-card li,.faq-item p,.muted,.form-hint,.history-placeholder p{color:var(--muted);line-height:1.7}

.price-card{position:relative}
.price-card .price{font-size:2rem;font-weight:800;margin-bottom:14px}
.price-card ul{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:10px}
.price-card li::before{content:"• ";color:var(--success)}
.plan-badge{
  display:inline-block;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#d5e4ff;font-size:.82rem;margin-bottom:16px
}
.plan-badge.hot{background:rgba(108,168,255,.14);border-color:rgba(108,168,255,.22)}
.price-card.featured{
  border:1px solid rgba(108,168,255,.35);
  box-shadow:0 22px 54px rgba(108,168,255,.14);
}

.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{padding:20px 24px}
.faq-item summary{cursor:pointer;font-weight:700;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{margin:12px 0 0}

.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start
}
.contact-points{display:grid;gap:14px;margin-top:20px}
.contact-point{padding:18px}
.contact-point strong{display:block;margin-bottom:6px}
.contact-card{display:grid;gap:14px}
label{display:grid;gap:8px;font-weight:600}
input,textarea{
  width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text);outline:none
}
input::placeholder,textarea::placeholder{color:#7990b4}
input:focus,textarea:focus{border-color:rgba(108,168,255,.4)}
.site-footer{padding:22px 0 34px;position:relative;z-index:1}
.footer-wrap{display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--muted)}
.footer-links{display:flex;gap:16px}

.toast-container{
  position:fixed;right:18px;bottom:18px;display:grid;gap:12px;z-index:60
}
.toast{
  min-width:280px;max-width:360px;padding:14px 16px;border-radius:18px;
  background:rgba(8,19,34,.95);border:1px solid var(--line);box-shadow:var(--shadow)
}
.toast.success{border-color:rgba(75,211,155,.25)}
.toast.error{border-color:rgba(255,107,129,.24)}
.toast strong{display:block;margin-bottom:4px}
.toast span{color:var(--muted)}

.simple-header{
  display:flex;justify-content:space-between;align-items:center;padding:20px min(32px,4vw);position:relative;z-index:1
}
.auth-shell{
  position:relative;z-index:1;min-height:calc(100vh - 90px);display:grid;
  grid-template-columns:1fr 1fr;gap:28px;align-items:center;width:min(100% - 32px, 1120px);margin:0 auto;padding:18px 0 36px
}
.auth-points{display:grid;gap:14px;margin-top:20px}
.auth-point{padding:18px}
.auth-card{padding:28px}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.tab-btn{
  padding:12px 16px;border:none;border-radius:16px;background:rgba(255,255,255,.05);color:var(--text);cursor:pointer;font-weight:700
}
.tab-btn.active{background:linear-gradient(135deg,var(--primary),var(--primary-2))}
.tab-panel{display:none}
.tab-panel.active{display:block}
.stack-form{display:grid;gap:14px}
.compact-form{margin-top:16px}
.divider{height:1px;background:var(--line);margin:18px 0}
.form-hint{margin:14px 0 0}

.verify-shell{
  min-height:100vh;display:grid;place-items:center;position:relative;z-index:1;padding:24px
}
.verify-card{padding:34px;max-width:640px;text-align:center}
.verify-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:22px}

.dashboard-page{overflow:hidden}
.dashboard-layout{
  display:grid;grid-template-columns:290px 1fr;min-height:100vh;position:relative;z-index:1
}
.dashboard-sidebar{
  padding:22px;display:flex;flex-direction:column;gap:20px;border-right:1px solid var(--line)
}
.dashboard-nav{display:grid;gap:8px}
.dashboard-nav a{
  padding:12px 14px;border-radius:16px;color:var(--muted);border:1px solid transparent
}
.dashboard-nav a:hover{border-color:var(--line);color:var(--text)}
.dashboard-content{
  padding:26px;display:grid;gap:20px;overflow:auto
}
.dashboard-top{
  padding:24px;display:flex;justify-content:space-between;gap:20px;align-items:flex-start
}
.dashboard-status{display:grid;grid-template-columns:repeat(2, minmax(150px,1fr));gap:12px}
.status-card{
  padding:16px 18px;border-radius:22px;background:rgba(255,255,255,.03);border:1px solid var(--line)
}
.status-card small{display:block;color:var(--muted);margin-bottom:6px}
.dashboard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.info-list{display:grid;gap:14px}
.info-list div{
  display:flex;justify-content:space-between;gap:18px;padding:14px 16px;border-radius:18px;
  background:rgba(255,255,255,.03);border:1px solid var(--line)
}
.info-list span{color:var(--muted)}
.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:16px}
.session-list{display:grid;gap:12px}
.session-item{
  padding:16px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)
}
.session-item strong{display:block;margin-bottom:6px}
.session-item small{display:block;color:var(--muted);line-height:1.6}
.history-placeholder{
  padding:18px;border-radius:20px;border:1px dashed var(--line);background:rgba(255,255,255,.02)
}

.hidden{display:none !important}

@media (max-width: 1024px){
  .hero-grid,.contact-grid,.auth-shell,.dashboard-grid,.feature-grid,.pricing-grid{
    grid-template-columns:1fr 1fr
  }
  .dashboard-layout{grid-template-columns:1fr}
  .dashboard-sidebar{
    border-right:none;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;background:rgba(7,17,31,.88)
  }
}
@media (max-width: 820px){
  .mobile-menu-toggle{display:block}
  .nav{
    position:absolute;top:78px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;
    padding:16px;border-radius:22px;background:rgba(8,19,34,.96);border:1px solid var(--line)
  }
  .nav.open{display:flex}
  .hero,.section{padding:34px 0}
  .hero-grid,.contact-grid,.auth-shell,.feature-grid,.pricing-grid,.dashboard-grid{
    grid-template-columns:1fr
  }
  .dashboard-status,.mini-footer{grid-template-columns:1fr}
  .footer-wrap,.dashboard-top,.info-list div{
    flex-direction:column;align-items:flex-start
  }
  .auth-shell{padding-bottom:28px}
}
@media (max-width: 520px){
  .container{width:min(100% - 20px, var(--container))}
  .hero h1,.section-head h2,.auth-info h1,.verify-card h1,.dashboard-top h1{
    font-size:2rem
  }
  .btn{width:100%}
  .hero-actions,.verify-actions{display:grid;grid-template-columns:1fr}
  .tabs{grid-template-columns:1fr 1fr}
  .panel-card,.auth-card,.feature-card,.price-card,.contact-card{padding:18px}
}