:root {
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color-scheme: light dark;
}

/* ---- Base ---- */
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top, #0c1328, #050712 70%);
  color: #e6eef8;
  line-height: 1.7;
  font-size: 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Contenedor principal ---- */
.container {
  flex: 1;
  max-width: 850px;
  margin: 60px auto;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(8px);
  padding: 45px 55px;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.4);
}

/* ---- Títulos ---- */
h1, h2, h3 {
  color: #ffd86b;
  margin-top: 1.4em;
  margin-bottom: 0.5em;
  line-height: 1.3;
}

h1 {
  font-size: 1.9rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.3rem;
  margin-top: 1.8rem;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

/* ---- Texto ---- */
p {
  margin-bottom: 1rem;
  text-align: justify;
}

ul, ol {
  margin: 0 0 1rem 1.5rem;
}

a {
  color: #ffdb6d;
  text-decoration: none;
  transition: 0.2s;
}

a:hover {
  text-decoration: underline;
  color: #ffe9a8;
}

/* ---- Header ---- */
header {
  background: rgba(0,0,0,0.25);
  padding: 15px 0;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

header a {
  color: #ffdb6d;
  font-weight: 600;
  margin: 0 12px;
  font-size: 15px;
}

header a:hover {
  color: #fff4ce;
}

/* ---- Footer ---- */
footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px 10px;
  font-size: 0.9rem;
  opacity: 0.7;
  border-top: 1px solid rgba(255,255,255,0.05);
}

footer a {
  color: #ffdb6d;
}

footer a:hover {
  text-decoration: underline;
}

/* ---- Bloques informativos ---- */
.section {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ---- Responsivo ---- */
@media (max-width: 700px) {
  .container {
    padding: 30px 25px;
    margin: 40px 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  body {
    font-size: 15px;
  }

  header a {
    display: inline-block;
    margin: 6px;
  }
}