/* 05-layout.css - Grid & structural layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}
.container--narrow { max-width: var(--container-narrow); }
.section {
  padding-block: var(--space-xl);
  position: relative;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
}
.grid {
  display: grid;
  gap: var(--space-lg);
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
main { display: block; }