:root{
  --bg:#151515;
  --surface:#1E1E1E;
  --surface-2:#262626;
  --border:#2D2D2D;
  --accent:#2B59FF;
  --accent-hover:#1F47E6;
  --text:#F2F2F2;
  --muted:#9C9C9C;
  --danger:#FF6B6B;
  --radius:16px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Alumni Sans SC','Alumni Sans',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.hidden{display:none !important}

.header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 40px;
  background:rgba(21,21,21,.85);
  backdrop-filter:blur(10px);
}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.nav{display:flex;align-items:center;gap:8px}
.nav-btn{
  background:none;border:none;color:var(--text);
  font-size:15px;font-weight:600;letter-spacing:.06em;
  padding:8px 16px;border-radius:10px;transition:background .2s;
}
.nav-btn:hover{background:var(--surface-2)}
.user-box{
  display:flex;align-items:center;gap:6px;
  padding-left:14px;margin-left:6px;
  border-left:1px solid var(--border);
}
.user-name{font-size:15px;font-weight:600;letter-spacing:.04em}

.hero{position:relative;text-align:center;padding:100px 20px 50px}
.glow{
  position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:640px;height:420px;pointer-events:none;
  background:radial-gradient(closest-side, rgba(43,89,255,.16), transparent 70%);
}
.hero h1{
  font-style:italic;font-weight:900;
  font-size:clamp(42px, 6.5vw, 84px);
  line-height:1.05;letter-spacing:.02em;
  position:relative;
}
.hero .sub{margin-top:18px;color:var(--muted);font-size:15px;letter-spacing:.14em}
.cta{
  margin-top:36px;
  background:var(--accent);color:#fff;border:none;
  padding:14px 46px;border-radius:10px;
  font-size:16px;font-weight:600;letter-spacing:.06em;
  transition:background .2s, transform .2s;
}
.cta:hover{background:var(--accent-hover);transform:translateY(-1px)}

.modules{display:flex;justify-content:center;flex-wrap:wrap;gap:52px;padding:44px 20px 26px}
.module{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:14px;letter-spacing:.12em;color:var(--text)}
.module svg{color:var(--accent)}

.ai-banner{
  max-width:660px;margin:14px auto 0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:14px;padding:16px 20px;
  display:flex;align-items:center;gap:14px;text-align:left;
}
.ai-banner svg{flex:none;color:var(--accent)}
.ai-banner b{display:block;font-size:14px;letter-spacing:.04em}
.ai-banner span{color:var(--muted);font-size:13px;line-height:1.45}

.pricing{padding:110px 20px 90px;text-align:center}
.pricing h2{font-style:italic;font-weight:900;font-size:clamp(32px,4.5vw,58px)}
.pricing .note{margin-top:12px;color:var(--muted);font-size:14px;letter-spacing:.08em}
.plans{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:48px}
.plan{
  width:340px;text-align:left;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px;
  cursor:pointer;transition:border-color .2s, transform .2s;
}
.plan h3{font-style:italic;font-weight:900;font-size:26px;letter-spacing:.02em}
.plan .price{font-style:italic;font-weight:900;font-size:32px;margin-top:6px}
.plan .price small{font-size:14px;font-weight:400;font-style:normal;color:var(--muted)}
.plan ul{list-style:none;margin:20px 0 26px;display:grid;gap:10px}
.plan li{font-size:14px;color:#CFCFCF;line-height:1.35;display:flex;gap:10px}
.plan li::before{content:"•";color:var(--accent);font-weight:700}
.plan-btn{
  width:100%;padding:12px;border-radius:10px;
  border:1px solid var(--border);background:transparent;color:var(--text);
  font-size:15px;font-weight:600;letter-spacing:.05em;transition:.2s;
}
.plan:hover,.plan.selected{transform:translateY(-4px)}
.plan--pro:hover,.plan--pro.selected{border-color:var(--accent)}
.plan--pro:hover .plan-btn,.plan--pro.selected .plan-btn{background:var(--accent);border-color:var(--accent);color:#fff}
.plan--free:hover,.plan--free.selected{border-color:#E8E8E8}
.plan--free:hover .plan-btn,.plan--free.selected .plan-btn{background:var(--text);border-color:var(--text);color:#151515}

.footer{padding:40px 20px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--border)}

.modal{
  position:relative;
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;width:min(400px, 90vw);margin:auto;
}
.modal::backdrop{background:rgba(0,0,0,.65);backdrop-filter:blur(4px)}
.modal-close{
  position:absolute;top:14px;right:14px;
  background:none;border:none;color:var(--muted);
  font-size:16px;padding:6px 10px;border-radius:8px;transition:.2s;
}
.modal-close:hover{color:var(--text);background:var(--surface-2)}

.auth-tabs{
  display:flex;background:var(--surface-2);
  border-radius:10px;padding:4px;margin-bottom:26px;
}
.auth-tab{
  flex:1;background:none;border:none;color:var(--muted);
  font-size:15px;font-weight:600;letter-spacing:.05em;
  padding:9px;border-radius:8px;transition:.2s;
}
.auth-tab.active{background:var(--accent);color:#fff}

.auth-form h3{font-style:italic;font-weight:900;font-size:24px;margin-bottom:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;letter-spacing:.06em;color:var(--muted)}
.field input{
  background:var(--bg);border:1px solid var(--border);
  border-radius:10px;padding:11px 14px;
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s;
}
.field input:focus{outline:none;border-color:var(--accent)}
.field input::placeholder{color:#6B6B6B}
.form-error{color:var(--danger);font-size:13px;line-height:1.4;min-height:18px;margin:4px 0 10px}
.auth-submit{width:100%;margin-top:0;padding:12px}
.auth-switch{margin-top:16px;text-align:center;color:var(--muted);font-size:14px}
.link-btn{background:none;border:none;color:var(--accent);font-size:14px;font-weight:600}
.link-btn:hover{text-decoration:underline}

@media (max-width:720px){
  .header{padding:16px 20px}
  .modules{gap:32px}
}
.footer{padding:32px 20px}
.footer-main{margin-bottom:8px}
.footer-tax{
  max-width:720px;margin:0 auto;
  color:var(--muted);font-size:12px;line-height:1.5;
  opacity:.85;
}
.footer{padding:32px 20px}
.footer-main{margin-bottom:8px}
.footer-nav{display:flex;justify-content:center;gap:24px;margin-bottom:8px}
.footer-nav a{color:var(--muted);text-decoration:none;font-size:13px;transition:color .2s}
.footer-nav a:hover{color:var(--accent)}
.footer-tax{
  max-width:720px;margin:0 auto;
  color:var(--muted);font-size:12px;line-height:1.5;
  opacity:.85;
}
.legal-page{
  max-width:760px;
  margin:0 auto;
  padding:60px 24px 80px;
}
.legal-page h1{
  font-style:italic;font-weight:900;
  font-size:clamp(28px,4vw,44px);
  line-height:1.1;
  margin-bottom:6px;
}
.legal-updated{color:var(--muted);font-size:13px;letter-spacing:.06em;margin-bottom:34px}
.legal-page h2{
  font-style:italic;font-weight:900;font-size:21px;
  margin:34px 0 12px;
}
.legal-page p,.legal-page li{
  color:#CFCFCF;font-size:15px;line-height:1.65;
}
.legal-page ul{padding-left:20px;margin:10px 0}
.legal-page li{margin-bottom:8px}
.legal-page b{color:var(--text)}
html[data-theme="light"] .legal-page p,
html[data-theme="light"] .legal-page li{color:#3A3F4A}