:root {
  --bg: #0b1120;
  --bg-light: #f8fafc;
  --ink: #0f172a;
  --ink-soft: #475569;
  --accent: #22c55e;
  --accent-dark: #16a34a;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg-light);
  line-height: 1.55;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Nav */
.nav {
  background: var(--bg);
  padding: 16px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand.small { color: var(--ink); }
.radar-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(34,197,94,0.2);
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #05230f;
  font-weight: 700;
  padding: 14px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  transition: background .15s ease, transform .1s ease;
  white-space: nowrap;
}
.btn:hover { background: var(--accent-dark); }
.btn:active { transform: translateY(1px); }
.btn-small { padding: 10px 16px; font-size: 0.9rem; }

/* Hero */
.hero {
  position: relative;
  background: radial-gradient(ellipse at top, #16213e 0%, var(--bg) 60%);
  color: #fff;
  overflow: hidden;
  padding: 72px 0 88px;
}
.radar-bg {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1px solid rgba(34,197,94,0.15);
  opacity: 0.6;
  pointer-events: none;
}
.radar-bg::before, .radar-bg::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(34,197,94,0.15);
}
.radar-bg::before { inset: 80px; }
.radar-bg::after { inset: 160px; }
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(34,197,94,0.35), transparent 35%);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-inner { position: relative; z-index: 1; max-width: 680px; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(34,197,94,0.12);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero-sub {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin: 0 0 12px;
}
.hero-broad {
  font-size: 0.95rem;
  color: #94a3b8;
  margin: 0 0 32px;
}

.signup-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.signup-form input[type="email"] {
  flex: 1 1 260px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #fff;
  font-size: 1rem;
}
.signup-form input[type="email"]::placeholder { color: #64748b; }
.form-note { font-size: 0.85rem; color: #64748b; margin: 0; }

/* Pain section */
.pain { padding: 64px 0; background: #fff; }
.pain h2, .benefits h2, .signup h2 {
  text-align: center;
  font-size: 1.8rem;
  margin: 0 0 40px;
  color: var(--ink);
}
.pain-grid, .benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.pain-item h3 { font-size: 1.05rem; margin: 0 0 8px; }
.pain-item p { color: var(--ink-soft); margin: 0; font-size: 0.95rem; }

/* Benefits */
.benefits { padding: 64px 0; background: var(--bg-light); }
.benefit-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.benefit-icon { font-size: 1.8rem; margin-bottom: 12px; }
.benefit-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.benefit-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Signup section */
.signup {
  padding: 72px 0;
  background: var(--bg);
  color: #fff;
  text-align: center;
}
.signup p { color: #cbd5e1; max-width: 520px; margin: 0 auto 28px; }
.signup .signup-form { justify-content: center; max-width: 480px; margin: 0 auto; }
.success-msg {
  margin-top: 20px;
  color: var(--accent);
  font-weight: 600;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.3);
  border-radius: 8px;
  padding: 14px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.footer { background: #fff; border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { text-align: center; }
.impressum { color: #94a3b8; font-size: 0.8rem; max-width: 560px; margin: 16px auto 0; }

@media (max-width: 640px) {
  .hero { padding: 56px 0 64px; }
  .hero h1 { font-size: 1.9rem; }
  .radar-bg { width: 320px; height: 320px; top: -80px; right: -100px; }
}