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

html,
body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  background: #0b0d12;
  color: #e8e9ee;
}

/* ---------- Page Centering ---------- */
.page {
  min-height: 100vh;
  display: flex;
  align-items: center;     /* vertical center */
  justify-content: center; /* horizontal center */
  padding: 2rem 1.25rem;   /* mobile breathing room */
}

/* ---------- Hero Container ---------- */
.hero {
  width: 100%;
}

.hero-content {
  max-width: 420px; /* perfect phone + small desktop width */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* ---------- Typography ---------- */
h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.subhead {
  color: #b8bbcc;
  font-size: 1rem;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

/* ---------- Features ---------- */
.features {
  list-style: none;
  margin-bottom: 2rem;
}

.features li {
  padding: 0.5rem 0;
  font-size: 0.95rem;
  color: #d6d8e5;
}

/* ---------- Signup ---------- */
.signup {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.signup input {
  background: #141826;
  border: 1px solid #23284a;
  border-radius: 10px;
  padding: 0.9rem 1rem;
  font-size: 1rem;
  color: #fff;
}

.signup input::placeholder {
  color: #8a8fae;
}

.signup input:focus {
  outline: none;
  border-color: #4c6bff;
  box-shadow: 0 0 0 1px #4c6bff;
}

.signup button {
  background: linear-gradient(135deg, #4c6bff, #6f8cff);
  border: none;
  border-radius: 10px;
  padding: 0.95rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
}

.signup button:active {
  transform: translateY(1px);
}

/* ---------- Fine Print ---------- */
.fineprint {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #7c809a;
  text-align: center;
}

/* ---------- Small Desktop Polish ---------- */
@media (min-width: 640px) {
  h1 {
    font-size: 2.4rem;
  }
}