:root {
  --bg-1: #0b1020;
  --bg-2: #111a33;
  --txt: #e9eefc;
  --muted: #b9c2de;
  --glass: rgba(255,255,255,0.09);
  --stroke: rgba(255,255,255,0.18);
  --accent: #65a2ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, Segoe UI, Arial, sans-serif; color: var(--txt); overflow-x: hidden; }
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, li, a, label {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
}

body {
  min-height: 100vh;
  background: radial-gradient(1200px 500px at 15% -10%, #2b4f9e55, transparent),
              radial-gradient(900px 400px at 100% 0%, #5e9eff3d, transparent),
              linear-gradient(160deg, var(--bg-1), var(--bg-2));
}

.container { width: min(1100px, 92vw); margin: 0 auto; }

.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  box-shadow: 0 10px 35px rgba(0,0,0,.35);
}

.topbar {
  margin-top: 18px;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-weight: 700; letter-spacing: .3px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
nav a:hover { color: var(--txt); }

.hero { margin-top: 26px; padding: 44px 34px; }
.tag { color: var(--accent); margin: 0 0 8px; font-weight: 600; }
h1 { margin: 0 0 14px; font-size: clamp(28px, 5vw, 52px); line-height: 1.08; }
.lead { color: var(--muted); max-width: 760px; margin-bottom: 24px; }

.btn {
  display: inline-block;
  background: linear-gradient(90deg, #5a95ff, #7ab0ff);
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 12px;
  border: 0;
  cursor: pointer;
}
.btn-ghost { background: transparent; border: 1px solid var(--stroke); color: var(--txt); }

.grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.card { padding: 20px; }
.card h3 { margin-top: 0; }
.card p { color: var(--muted); margin-bottom: 0; }

.section { margin-top: 18px; padding: 24px; }
.section ul { margin: 10px 0 0 0; padding-left: 20px; color: var(--muted); }
.section a { color: #c9dcff; }

.footer {
  color: #9eaad0;
  text-align: center;
  padding: 20px 0 28px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 20, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}
.modal.show { display: flex; }
.modal-card { width: min(560px, 96vw); padding: 20px; }
.modal-card h3 { margin-top: 0; }
.modal-card label { display: block; margin: 10px 0; color: var(--muted); }
.modal-card input,
.modal-card textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--txt);
}
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 12px; }
.status { color: var(--muted); min-height: 20px; }

@media (max-width: 760px) {
  .container { width: min(1100px, 95vw); }

  .topbar {
    padding: 12px 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .brand {
    white-space: nowrap;
    font-size: 20px;
  }

  nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
  }

  nav a {
    margin-left: 0;
    font-size: 14px;
    white-space: normal;
    text-align: center;
    padding: 7px 8px;
    border: 1px solid var(--stroke);
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
  }

  .hero {
    margin-top: 14px;
    padding: 20px 16px;
  }

  h1 {
    font-size: clamp(24px, 8vw, 34px);
    line-height: 1.2;
    text-wrap: balance;
  }

  .lead { font-size: 15px; }

  .grid { grid-template-columns: 1fr; }
  .card { padding: 16px; }
  .section { padding: 18px 16px; }
  .section ul { padding-left: 18px; }

  .modal-card { padding: 16px; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .btn { width: 100%; }
}

@media (max-width: 420px) {
  nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}