/* Layout Utilities */

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-brown-text);
  background-color: var(--color-cream);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: 800px;
}

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

.section__heading {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  line-height: var(--lh-tight);
  color: var(--color-brown-dark);
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__subheading {
  font-size: var(--fs-lg);
  color: var(--color-text-light);
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr 1fr;
}

/* Visually hidden */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Scroll offset for fixed header */
[id] {
  scroll-margin-top: 80px;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Tablet */
@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: 1fr 1fr;
  }

  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .section__heading {
    font-size: var(--fs-4xl);
  }

  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}