/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* Section */
.section {
  padding: var(--section-padding);
}

.section--gray {
  background: var(--paper-mid);
}

.section--dark {
  background: var(--ink);
  color: var(--paper-light);
}

.section--dark p {
  color: var(--ink-faint);
}

.section--dark h2,
.section--dark h3 {
  color: var(--paper-light);
}

/* Section Header */
.section__header {
  margin-bottom: var(--gap-xl);
  max-width: 640px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--gap-sm);
}

.section__title {
  margin-bottom: var(--gap-md);
}

.section__desc {
  font-size: clamp(1rem, 1.1vw, 1.1rem);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--gap-md);
}

.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 utilities */
.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.flex--col {
  flex-direction: column;
}

.flex--gap-sm { gap: var(--gap-sm); }
.flex--gap-md { gap: var(--gap-md); }
.flex--gap-lg { gap: var(--gap-lg); }

/* Responsive */
@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}