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

html {
  scroll-behavior: smooth;
}

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

body {
  background: var(--color-paper);
  overflow-x: hidden;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.section {
  padding: var(--space-9) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-title {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-secondary);
  letter-spacing: 0.3em;
}

.text-center {
  text-align: center;
}

.bg-paper {
  background: var(--color-paper);
}

.bg-warm {
  background: var(--color-paper-warm);
}

.bg-ink {
  background: var(--color-ink);
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-7) 0;
  }

  .section-title {
    font-size: 24px;
  }

  .section-header {
    margin-bottom: var(--space-6);
  }
}