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

body {
  line-height: 1.6;
  color: #334155;
  background: #f8fafc;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.75rem;
}

.hero .tagline {
  font-size: 1.25rem;
  color: #64748b;
  margin-bottom: 2rem;
}

.cta {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-weight: 600;
  font-size: 1.125rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: #fff;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.feature-card h3 {
  font-size: 1.125rem;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: #64748b;
  font-size: 0.9375rem;
}

.login-section {
  text-align: center;
  margin-top: 2rem;
  padding: 2rem;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  border: 1px solid #e2e8f0;
}

.login-section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

.login-section form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.login-section label {
  font-size: 0.9375rem;
  color: #475569;
}

.login-section input[type="text"] {
  margin: 0 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #cbd5e1;
  transition: border-color 0.15s;
}