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

:root {
  --ink: #2b2013;
  --ink-soft: #4a3a26;
  --cream: #f4ead9;
  --cream-deep: #e8d8b8;
  --card: #ede0c4;
  --tape: #cdbc9a;
  --accent: #4a90b8;
  --accent-dark: #326e91;
  --accent-glow: #8fd8e8;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  line-height: 1.5;
  background: var(--cream);
}

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  background:
    repeating-linear-gradient(45deg, rgba(244,234,217,0.035) 0px, rgba(244,234,217,0.035) 1px, transparent 1px, transparent 9px),
    var(--ink);
  color: var(--cream);
  padding: 64px 0 72px;
  text-align: center;
}

.hero .logo {
  width: 150px;
  height: auto;
  margin-bottom: 12px;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,0.35));
}

.hero .brand {
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-glow);
  font-weight: 600;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--cream);
}

.hero .sub {
  font-size: 1.1rem;
  color: var(--cream-deep);
  max-width: 560px;
  margin: 0 auto 32px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #0d1b22;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
}

.cta:hover { background: var(--accent-glow); }

.problem, .how, .signup {
  padding: 64px 0;
}

.problem { background: var(--cream); }

h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  text-align: center;
  color: var(--ink);
}

.problem p {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  color: var(--ink-soft);
}

.how { background: var(--cream-deep); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(43,32,19,0.12);
  padding: 24px;
  border-radius: 10px;
}

.card h3 {
  margin-bottom: 8px;
  color: var(--ink);
}

.card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.signup {
  text-align: center;
  background: var(--ink);
  color: var(--cream);
}

.signup h2 { color: var(--cream); }

.signup p {
  color: var(--cream-deep);
  margin-bottom: 24px;
}

.signup-form {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.signup-form input[type="email"] {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--tape);
  width: 280px;
  font-size: 1rem;
  background: var(--cream);
  color: var(--ink);
}

.signup-form button {
  padding: 14px 24px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0d1b22;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
}

.signup-form button:hover { background: var(--accent-glow); }

footer {
  padding: 32px 0;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
  background: var(--cream);
}

@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 56px; }
  .hero h1 { font-size: 1.9rem; }
  .hero .logo { width: 120px; }
}