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

:root {
  --color-bg: #faf9f6;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-accent: #3a7d44;
  --color-accent-hover: #2e6336;
  --color-border: #e0ddd6;
  --color-surface: #ffffff;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: system-ui, -apple-system, sans-serif;
  --max-width: 680px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.hero {
  padding: var(--space-lg) 0;
  text-align: center;
}

.hero__headline {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto var(--space-md);
  line-height: 1.7;
}

.hero__cta {
  font-size: 1rem;
  padding: 0.8rem 2rem;
}

@media (max-width: 768px) {
  .hero__headline {
    font-size: 1.75rem;
  }
}

.problem {
  padding: var(--space-lg) 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.problem p {
  font-size: 1.15rem;
  font-style: italic;
  font-family: var(--font-heading);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

.problem p + p {
  margin-top: var(--space-sm);
}

.how {
  padding: var(--space-lg) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.step__number {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step div {
  padding-top: 0.2rem;
  font-size: 1rem;
  color: var(--color-text);
}

.payoff {
  padding: var(--space-lg) 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.payoff__text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text);
  max-width: 500px;
  margin: 0 auto;
}

.persona-nod {
  padding: var(--space-md) 0;
  text-align: center;
}

.persona-nod__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

.early-access {
  padding: var(--space-lg) 0;
  text-align: center;
}

.early-access__sub {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.access-form {
  max-width: 480px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.form-input {
  flex: 1;
  min-width: 220px;
  padding: 0.7rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-body);
  background-color: var(--color-surface);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--color-accent);
}

.form-submit {
  white-space: nowrap;
  padding: 0.7rem 1.5rem;
  font-size: 1rem;
}

.form-fine-print {
  margin-top: var(--space-xs);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-error {
  margin-top: var(--space-xs);
  font-size: 0.9rem;
  color: #c0392b;
  min-height: 1.2rem;
}

.form-success {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-accent);
  padding: var(--space-md) 0;
}

@media (max-width: 768px) {
  .form-group {
    flex-direction: column;
  }

  .form-input,
  .form-submit {
    width: 100%;
  }
}

.footer {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  margin-top: var(--space-lg);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.footer__made {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

@media (max-width: 400px) {
  .nav__inner {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}