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

body {
  font-family: Arial, sans-serif;
  background-color: #fff;
  color: #000;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  padding: 1.5rem;
  text-align: center;
  border-bottom: 1px solid #000;
}

.logo {
  max-width: 180px;
  height: auto;
}

.branding {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}

.brand-name {
  font-size: 2rem;
  font-weight: bold;
}

/* Main content */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  text-align: center;
}

.main h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tagline {
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.5;
}

/* Use cases */
.use-cases {
  margin-bottom: 2rem;
  text-align: left;
}

.use-cases ul {
  list-style: none;
  padding: 0;
}

.use-cases li {
  font-size: 1.05rem;
  margin: 0.5rem 0;
  display: flex;
  align-items: center;
}

/* Signup form */
.signup-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 400px;
}

.form-intro {
  font-size: 1rem;
  margin-bottom: 1rem;
  text-align: center;
  line-height: 1.4;
}

.signup-form input {
  padding: 0.75rem;
  border: 1px solid #000;
  border-radius: 6px;
  font-size: 1rem;
}

.signup-form button {
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  background-color: #000;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

.signup-form button:hover {
  background-color: #333;
}

/* Footer */
.footer {
  padding: 1rem;
  text-align: center;
  border-top: 1px solid #000;
  font-size: 0.9rem;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  text-decoration: none;
  color: #000;
  font-weight: bold;
  border: 1px solid #000;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.back-link:hover {
  background-color: #000;
  color: #fff;
}