body {
  margin: 0;
  background: #0b1220;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: #e5e7eb;
  line-height: 1.8;
  letter-spacing: 0.1px;
}

.container {
  max-width: 860px;
  margin: 70px auto;
  padding: 56px 52px;
  background: #111827;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

h1 {
  font-size: 2.35rem;
  margin: 0 0 38px;
  color: #f9fafb;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.4px;
}

h2 {
  margin-top: 56px;
  margin-bottom: 16px;
  color: #93c5fd;
  font-size: 1.38rem;
  font-weight: 550;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 8px;
}

p {
  text-align: justify;
  margin: 17px 0;
  color: #d1d5db;
  font-size: 1rem;
}

ul {
  margin: 16px 0 22px 24px;
  padding: 0;
}

li {
  margin: 9px 0;
  color: #d1d5db;
}

strong {
  color: #f3f4f6;
}

.highlight {
  color: #cbd5e1;
  font-weight: 600;
}

.quote {
  margin-top: 30px;
  padding: 8px 0 8px 18px;
  border-left: 3px solid #60a5fa;
  color: #cbd5e1;
  font-style: italic;
}

.hero {
  margin: 30px 0 42px;
  text-align: center;
}

.hero img {
  display: block;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
}

.hero-caption {
  margin-top: 12px;
  font-size: 0.88rem;
  color: #94a3b8;
}

/* odkazy - dobře viditelné, ale ne křiklavé */
a {
  color: #93c5fd;
  text-decoration: none;
  border-bottom: 1px solid rgba(147, 197, 253, 0.35);
  transition: color 0.18s ease, border-color 0.18s ease;
}

a:hover {
  color: #dbeafe;
  border-bottom-color: rgba(219, 234, 254, 0.85);
}

a:visited {
  color: #93c5fd;
}

a:focus-visible {
  outline: 2px solid rgba(147, 197, 253, 0.65);
  outline-offset: 3px;
  border-bottom-color: transparent;
  border-radius: 2px;
}

@media (max-width: 900px) {
  .container {
    margin: 28px 18px;
    padding: 38px 30px;
  }
}

@media (max-width: 640px) {
  .container {
    margin: 14px 10px;
    padding: 24px 18px;
    border-radius: 12px;
  }

  h1 {
    font-size: 1.9rem;
    margin-bottom: 26px;
  }

  h2 {
    font-size: 1.2rem;
    margin-top: 40px;
  }

  p {
    text-align: left;
  }

  .hero {
    margin: 22px 0 30px;
  }
}