@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
  --bg:#f7fbff;
  --bg2:#fff7ed;
  --ink:#102033;
  --muted:#64748b;
  --line:#dbeafe;
  --card:rgba(255,255,255,.86);
  --white:#fff;
  --blue:#2563eb;
  --cyan:#06b6d4;
  --mint:#10b981;
  --violet:#8b5cf6;
  --pink:#ec4899;
  --amber:#f59e0b;
  --red:#ef4444;
  --shadow:0 22px 70px rgba(37,99,235,.14);
  --shadow2:0 12px 30px rgba(15,23,42,.08);
  --radius:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:Inter,Arial,sans-serif;
  background:
    radial-gradient(circle at 10% 0%, rgba(34,211,238,.32), transparent 30%),
    radial-gradient(circle at 90% 8%, rgba(236,72,153,.18), transparent 28%),
    radial-gradient(circle at 78% 82%, rgba(16,185,129,.18), transparent 30%),
    linear-gradient(135deg,#f8fbff 0%,#f1f7ff 46%,#fff8ed 100%);
  color:var(--ink);
  margin:0;
  min-height:100vh;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(rgba(37,99,235,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.045) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 75%);
}

a{color:var(--blue);text-decoration:none;font-weight:700}
a:hover{color:#1d4ed8}

header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:14px clamp(16px,4vw,38px);
  background:rgba(255,255,255,.78);
  color:var(--ink);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(219,234,254,.85);
  box-shadow:0 10px 30px rgba(37,99,235,.07);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:20px;
  font-weight:900;
  letter-spacing:-.04em;
}
.brand:before{
  content:"✦";
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border-radius:14px;
  color:white;
  background:linear-gradient(135deg,var(--blue),var(--cyan),var(--mint));
  box-shadow:0 10px 24px rgba(6,182,212,.28);
}
nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
nav a{
  color:#334155;
  padding:9px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:800;
  background:rgba(255,255,255,.45);
  border:1px solid transparent;
}
nav a:hover{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}
nav form{margin:0}

main{max-width:1180px;margin:0 auto;padding:32px clamp(16px,4vw,34px) 52px}
h1{font-size:clamp(34px,5vw,68px);line-height:.98;letter-spacing:-.07em;margin:20px 0;color:#0f172a}
h2{font-size:clamp(24px,3vw,38px);letter-spacing:-.05em;margin:0 0 12px}h3{font-size:21px;letter-spacing:-.035em;margin:0 0 10px}p{color:#475569;line-height:1.7}small{color:#64748b;line-height:1.6}

.hero{
  position:relative;
  overflow:hidden;
  padding:clamp(44px,7vw,86px);
  border-radius:34px;
  color:var(--ink);
  background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(239,246,255,.9) 46%,rgba(236,253,245,.86));
  border:1px solid rgba(191,219,254,.9);
  box-shadow:var(--shadow);
}
.hero:before,.hero:after{content:"";position:absolute;border-radius:999px;filter:blur(2px);opacity:.82}.hero:before{right:-80px;top:-90px;width:320px;height:320px;background:radial-gradient(circle,var(--cyan),transparent 65%)}.hero:after{right:160px;bottom:-120px;width:260px;height:260px;background:radial-gradient(circle,var(--pink),transparent 64%)}
.hero > *{position:relative;z-index:1}.hero h1{max-width:780px;margin-top:12px}.hero p{font-size:clamp(17px,2vw,22px);max-width:760px;color:#334155}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.badge{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:#ecfeff;color:#0e7490;border:1px solid #a5f3fc;font-weight:900;font-size:13px}.muted{color:var(--muted)}

.btn,button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:white;
  border:0;
  border-radius:16px;
  padding:12px 18px;
  min-height:44px;
  font-weight:900;
  text-decoration:none;
  cursor:pointer;
  box-shadow:0 12px 26px rgba(37,99,235,.22);
  transition:.18s ease;
}
.btn:hover,button:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(37,99,235,.26);color:white}.btn.secondary{background:white;color:var(--blue);border:1px solid #bfdbfe;box-shadow:var(--shadow2)}.danger{background:linear-gradient(135deg,#ef4444,#f97316)}

.card{
  position:relative;
  background:var(--card);
  border:1px solid rgba(219,234,254,.9);
  border-radius:var(--radius);
  padding:22px;
  margin:14px 0;
  box-shadow:var(--shadow2);
  backdrop-filter:blur(16px);
}
.card:hover{box-shadow:0 20px 44px rgba(37,99,235,.12)}
.card.stat{overflow:hidden}.card.stat:before{content:"";position:absolute;right:-34px;top:-34px;width:110px;height:110px;border-radius:999px;background:linear-gradient(135deg,rgba(6,182,212,.22),rgba(139,92,246,.16))}.card h2,.card h3{color:#0f172a}.card ul{padding-left:20px;color:#475569;line-height:1.7}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:22px}.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}

form:not(.inline){background:var(--card);border:1px solid rgba(219,234,254,.9);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow2);max-width:620px}label{font-weight:800;color:#334155;display:block;margin:10px 0 7px}input,select,textarea{padding:13px 14px;border:1px solid #cbd5e1;border-radius:15px;width:100%;background:white;color:#0f172a;outline:none;transition:.16s ease;font:inherit}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(6,182,212,.14)}textarea{min-height:110px}.inline{display:inline}.inline button{min-height:36px;padding:8px 12px;border-radius:999px;background:#fee2e2;color:#991b1b;box-shadow:none}
.error,.warn{display:block;background:#fff1f2;color:#be123c;border:1px solid #fecdd3;padding:12px 14px;border-radius:16px;font-weight:800}.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;padding:12px 14px;border-radius:16px;font-weight:800}

.msg{background:white;border:1px solid #e2e8f0;border-radius:18px;padding:14px 16px;margin:12px 0;box-shadow:0 8px 22px rgba(15,23,42,.05)}.msg.assistant{border-left:6px solid var(--blue)}.msg.user{border-left:6px solid var(--mint)}pre{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:16px;border-radius:16px;overflow:auto}
.chatbubble{position:fixed;right:22px;bottom:22px;background:linear-gradient(135deg,var(--violet),var(--pink));color:white;border-radius:22px;width:auto;min-width:64px;height:58px;padding:0 18px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:900;box-shadow:0 18px 40px rgba(139,92,246,.32);z-index:30}.chatbubble:hover{color:white;transform:translateY(-2px)}
footer{max-width:1180px;margin:0 auto 24px;padding:18px clamp(16px,4vw,34px);color:#64748b}.footer-card{background:rgba(255,255,255,.68);border:1px solid rgba(219,234,254,.9);border-radius:22px;padding:16px 20px;box-shadow:var(--shadow2)}
.auth-shell{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.auth-panel{background:linear-gradient(135deg,#dbeafe,#ecfeff,#dcfce7);border-radius:30px;padding:34px;border:1px solid #bfdbfe}.page-title{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:18px}.kpi{font-size:34px;font-weight:900;letter-spacing:-.06em;color:#0f172a}.pill{display:inline-flex;padding:7px 11px;border-radius:999px;background:#eef2ff;color:#4338ca;font-weight:900;font-size:12px}.soft-section{margin-top:26px;padding:24px;border-radius:30px;background:rgba(255,255,255,.56);border:1px solid rgba(219,234,254,.75)}

@media (max-width:780px){header{align-items:flex-start;flex-direction:column}nav{justify-content:flex-start}nav a{font-size:12px;padding:8px 10px}main{padding-top:22px}.hero{padding:34px 22px;border-radius:26px}.auth-shell{grid-template-columns:1fr}.page-title{display:block}.chatbubble{right:14px;bottom:14px;height:52px}.grid{grid-template-columns:1fr}}