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

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-primary: #795900;
  --color-primary-light: #fff3d6;
  --color-text: #1a1a1a;
  --color-text-secondary: #555;
  --color-border: #e0e0e0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  text-align: center;
  padding: 64px 0 32px;
}

header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

/* Sections */
section {
  padding: 48px 0;
}

section + section {
  border-top: 1px solid var(--color-border);
}

section h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-primary);
}

section p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
}

section p + p {
  margin-top: 12px;
}

/* CTA */
.cta {
  text-align: center;
  padding: 64px 0;
  background: var(--color-primary-light);
}

.cta h2 {
  color: var(--color-text);
}

.cta p {
  margin-bottom: 24px;
}

.button {
  display: inline-block;
  padding: 14px 32px;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 500;
}

.button:hover {
  opacity: 0.9;
}

/* Footer */
footer {
  text-align: center;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Mobile */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.75rem;
  }

  section h2 {
    font-size: 1.2rem;
  }
}