:root {
  --bg: #0d1b2a;
  --surface: #112c44;
  --primary: #ffdd59;
  --text: #f8f9fa;
  --muted: #a9cfe7;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  color: var(--text);
  min-height: 100vh;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1rem;
  background: radial-gradient(circle at top, rgba(255,221,89,0.2), transparent 45%);
}

.hero-content {
  max-width: 720px;
}

.hero-image {
  width: 110px;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.hero-text,
.identidad {
  font-size: 1.05rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.identidad {
  color: var(--primary);
  font-weight: 700;
}

.container {
  padding: 2rem 1rem 3rem;
}

.features {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.features article {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 1.5rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.features article:hover {
  transform: translateY(-6px);
  border-color: rgba(255,221,89,0.35);
}

.features h2 {
  margin-bottom: 0.75rem;
}

.features p {
  line-height: 1.75;
  color: #cbd6e3;
}

.footer {
  text-align: center;
  padding: 1.25rem 1rem 2rem;
  color: #8aa6c1;
}