/* =========================================================
   LAYOUT.CSS — Containers, grid utilities, section rhythm
========================================================= */

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

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

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--fs-md);
  color: var(--text-secondary);
  max-width: 560px;
}

/* Alternate section background for rhythm */
.services,
.skills,
.experience,
.tech-stack,
.contact {
  background-color: var(--bg-secondary);
}

/* Generic responsive grid helpers */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}