:root{
  --bg: #07111c;
  --bg-2:#0c1624;
  --surface:rgba(255,255,255,0.08);
  --surface-2:rgba(255,255,255,0.05);
  --surface-solid:#101b2b;
  --text:#eef3ff;
  --muted:#9ba9c2;
  --line:rgba(255,255,255,0.12);
  --shadow:0 22px 50px rgba(0,0,0,.28);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --container:1180px;
  --accent:#7C5CFF;
  --accent-2:#1CC8EE;
  --accent-3:#F55DB6;
  --card-border:rgba(255,255,255,0.1);
  --hero-grad: radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 28%), radial-gradient(circle at 85% 18%, color-mix(in srgb, var(--accent-3) 28%, transparent), transparent 26%), radial-gradient(circle at 70% 85%, color-mix(in srgb, var(--accent-2) 28%, transparent), transparent 30%);
}
html[data-theme='light']{
  --bg:#f4f7fb;
  --bg-2:#ffffff;
  --surface:rgba(255,255,255,0.8);
  --surface-2:rgba(11,28,56,0.04);
  --surface-solid:#ffffff;
  --text:#0f1728;
  --muted:#5f6d87;
  --line:rgba(16,23,40,0.10);
  --shadow:0 20px 50px rgba(15, 23, 40, 0.08);
  --card-border:rgba(16,23,40,0.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:
    var(--hero-grad),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 72%, var(--bg-2)) 50%, var(--bg-2) 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn,button{
  appearance:none;border:0;cursor:pointer;border-radius:999px;padding:14px 22px;
  font-weight:700;font-size:15px;transition:.25s ease;display:inline-flex;align-items:center;justify-content:center;gap:10px;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 12px 30px color-mix(in srgb, var(--accent) 30%, transparent)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn-secondary:hover{background:var(--surface-2)}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);
  border-radius:999px;background:var(--surface);color:var(--muted);font-size:13px;font-weight:700;
}
.badge::before{content:"";width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.site-header{
  position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);
  background:color-mix(in srgb, var(--bg) 74%, transparent);border-bottom:1px solid rgba(255,255,255,.06)
}
html[data-theme='light'] .site-header{background:rgba(244,247,251,.78);border-bottom-color:rgba(15,23,40,.06)}
.navbar{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:24px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;font-size:18px;letter-spacing:.02em}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:grid;place-items:center;color:#fff;box-shadow:0 12px 28px color-mix(in srgb, var(--accent) 30%, transparent);
}
.nav-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--muted);font-weight:600}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.theme-toggle{
  width:48px;height:48px;border-radius:14px;background:var(--surface);border:1px solid var(--line);
  color:var(--text);display:grid;place-items:center;font-size:18px
}
.hero{padding:82px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-copy h1{font-size:clamp(40px,6vw,68px);line-height:1.02;margin:18px 0 18px;letter-spacing:-.04em}
.hero-copy p{font-size:18px;line-height:1.75;color:var(--muted);max-width:670px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-meta{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px}
.meta-chip{
  min-width:128px;padding:16px 18px;border-radius:20px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)
}
.meta-chip strong{display:block;font-size:22px;margin-bottom:4px}
.meta-chip span{color:var(--muted);font-size:14px}
.hero-visual{
  border-radius:36px;padding:18px;background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  border:1px solid var(--card-border);box-shadow:var(--shadow)
}
.hero-visual img{border-radius:26px}
.section{padding:84px 0}
.section-head{max-width:760px;margin:0 auto 34px;text-align:center}
.section-head h2{font-size:clamp(30px,4vw,48px);margin:0 0 14px;letter-spacing:-.03em}
.section-head p{margin:0;color:var(--muted);font-size:17px;line-height:1.75}
.grid-3,.grid-2,.pricing-grid,.dashboard-grid,.testimonial-grid,.faq-grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:repeat(3,1fr)}
.testimonial-grid{grid-template-columns:repeat(3,1fr)}
.dashboard-grid{grid-template-columns:repeat(3,1fr)}
.faq-grid{grid-template-columns:repeat(2,1fr)}
.card,.panel,.price-card,.auth-card,.stat-card,.faq-item,.contact-card{
  background:var(--surface);border:1px solid var(--card-border);border-radius:26px;box-shadow:var(--shadow)
}
.card,.panel,.contact-card{padding:26px}
.card h3,.panel h3,.faq-item h3,.contact-card h3{margin:0 0 10px;font-size:22px;letter-spacing:-.02em}
.card p,.panel p,.faq-item p,.contact-card p{margin:0;color:var(--muted);line-height:1.75}
.icon-bubble{
  width:54px;height:54px;border-radius:18px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,color-mix(in srgb, var(--accent) 22%, transparent),color-mix(in srgb, var(--accent-2) 18%, transparent));
  border:1px solid var(--line);font-size:22px
}
.info-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:22px;border-radius:28px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)
}
.price-card{padding:28px;position:relative}
.price-card.popular{transform:translateY(-8px);border-color:color-mix(in srgb, var(--accent) 42%, white)}
.price-card .label{
  position:absolute;top:18px;right:18px;padding:7px 11px;border-radius:999px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:12px;font-weight:800
}
.price-card .price{font-size:50px;font-weight:900;letter-spacing:-.04em}
.price-card .price small{font-size:18px;color:var(--muted);font-weight:700}
.price-card ul{list-style:none;padding:0;margin:20px 0 26px;display:grid;gap:12px}
.price-card li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
.price-card li::before{content:"✓";color:var(--accent-2);font-weight:900}
.auth-wrap{min-height:calc(100vh - 78px);display:grid;place-items:center;padding:50px 0}
.auth-card{max-width:520px;width:100%;padding:32px}
.auth-card h1{margin:10px 0 10px;font-size:38px;letter-spacing:-.03em}
.auth-card p{margin:0 0 22px;color:var(--muted)}
.form-grid{display:grid;gap:16px}
label{display:grid;gap:9px;font-size:14px;font-weight:700;color:var(--muted)}
input,select,textarea{
  width:100%;border-radius:16px;border:1px solid var(--line);padding:15px 16px;
  background:color-mix(in srgb, var(--surface) 85%, transparent);color:var(--text);font:inherit
}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:color-mix(in srgb, var(--accent) 60%, white);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent)}
.flash{padding:14px 16px;border-radius:16px;margin-bottom:16px;font-weight:700}
.flash.success{background:rgba(44,248,178,.12);border:1px solid rgba(44,248,178,.22);color:#3ce7ae}
.flash.error{background:rgba(255,93,129,.11);border:1px solid rgba(255,93,129,.24);color:#ff8ea6}
.flash.info{background:rgba(75,163,255,.10);border:1px solid rgba(75,163,255,.22);color:#8dbfff}
.dashboard-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;flex-wrap:wrap;margin-bottom:26px}
.dashboard-header h1{font-size:42px;letter-spacing:-.03em;margin:10px 0}
.kpi{padding:24px;border-radius:24px;background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow)}
.kpi .value{font-size:36px;font-weight:900}
.kpi .label{color:var(--muted);margin-top:6px}
.footer{
  padding:36px 0 56px;color:var(--muted)
}
.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;padding-top:28px;border-top:1px solid var(--line)}
.split{
  display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch
}
.highlight{
  background:linear-gradient(135deg,color-mix(in srgb, var(--accent) 28%, transparent),color-mix(in srgb, var(--accent-2) 22%, transparent));
  border:1px solid var(--line);padding:28px;border-radius:28px;box-shadow:var(--shadow)
}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.tag-row span{padding:10px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);color:var(--muted);font-weight:700;font-size:13px}
.faq-item{padding:22px}
.small{font-size:14px;color:var(--muted)}
.empty-note{padding:20px;border-radius:18px;background:var(--surface-2);border:1px dashed var(--line);color:var(--muted)}
.mobile-nav-toggle{display:none}
.page-hero{padding:56px 0 20px}
.page-hero h1{font-size:clamp(36px,5vw,60px);margin:12px 0;letter-spacing:-.03em}
.page-hero p{color:var(--muted);max-width:760px;line-height:1.8;font-size:18px}
@media (max-width: 980px){
  .hero-grid,.split,.grid-2,.grid-3,.pricing-grid,.testimonial-grid,.dashboard-grid,.faq-grid{grid-template-columns:1fr}
  .price-card.popular{transform:none}
  .nav-links{display:none}
  .mobile-nav-toggle{display:inline-flex}
}
@media (max-width: 640px){
  .container{padding:0 18px}
  .hero{padding-top:54px}
  .hero-actions,.nav-actions{width:100%}
  .hero-actions .btn,.nav-actions .btn{flex:1}
  .auth-card h1{font-size:31px}
  .dashboard-header h1{font-size:34px}
}