:root {
  --amazon-orange: #FF9900;
  --dark: #0a0a0a;
  --text: #1a1a1a;
  --muted: #555;
  --rule: #ddd;
}

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

body {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 80px;
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text);
  text-align: center;
}

/* Header bar */
header {
  background: var(--dark);
  margin: 0 -24px 0;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
header .wordmark {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}
header .wordmark span { color: var(--amazon-orange); }

/* Amazon-style smile underline */
header .smile {
  width: 36px;
  height: 6px;
  border-bottom: 3px solid var(--amazon-orange);
  border-radius: 0 0 50% 50%;
  margin-left: 2px;
  display: inline-block;
}

/* Hero */
.hero {
  border-bottom: 3px solid var(--amazon-orange);
  padding: 3rem 0 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
}
.hero .kicker {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amazon-orange);
  margin-bottom: 1rem;
}
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 1.25rem;
  color: var(--dark);
}
.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
}

/* Body */
p { margin-bottom: 1.25rem; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 1rem;
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
}
.card {
  border: 1px solid var(--rule);
  border-top: 3px solid var(--amazon-orange);
  border-radius: 3px;
  padding: 1.25rem;
  text-align: left;
}
.card-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amazon-orange);
  margin-bottom: 0.75rem;
}
.card p { font-size: 0.95rem; margin-bottom: 0; }

/* Buttons */
.actions {
  margin: 2rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
a.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 3px;
}
a.btn-primary {
  background: var(--amazon-orange);
  color: var(--dark);
}
a.btn-primary:hover { background: #e68a00; }
a.btn-secondary {
  background: var(--dark);
  color: #fff;
}
a.btn-secondary:hover { background: #333; }

/* Divider */
hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

/* Signup section */
.signup {
  text-align: center;
}
.signup h3 {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  color: var(--dark);
}
.signup p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.signup iframe {
  width: 100%;
  height: 570px;
  border: 1px solid var(--rule);
  border-radius: 3px;
}