/* ============================================================
   AS Apps Developer Portal — Layout System
   ============================================================
   Responsive container, grid utilities, section spacing,
   and flexbox helpers.
   ============================================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--lg { max-width: var(--container-lg); }
.container--xl { max-width: var(--container-xl); }
.container--2xl { max-width: var(--container-2xl); }
.container--full { max-width: 100%; }

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

@media (min-width: 1280px) {
  .container {
    padding-inline: var(--space-12);
  }
}

/* ── Section Spacing ── */
.section {
  padding-block: var(--space-16);
  position: relative;
}

.section--lg {
  padding-block: var(--space-24);
}

.section--sm {
  padding-block: var(--space-10);
}

@media (max-width: 768px) {
  .section {
    padding-block: var(--space-10);
  }
  .section--lg {
    padding-block: var(--space-16);
  }
  .section--sm {
    padding-block: var(--space-8);
  }
}

/* ── Section Header ── */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-header .text-caption {
  margin-bottom: var(--space-3);
  display: block;
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: var(--space-8);
  }
  .section-header p {
    font-size: var(--text-base);
  }
}

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

/* Auto-fit responsive grid */
.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--auto-sm {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

@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--4,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }
}

/* ── Flex Utilities ── */
.flex {
  display: flex;
}

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

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

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

.flex-start {
  display: flex;
  align-items: flex-start;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.justify-center {
  justify-content: center;
}

/* ── Gap Utilities ── */
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* ── Width Utilities ── */
.w-full { width: 100%; }
.max-w-sm  { max-width: var(--container-sm); }
.max-w-md  { max-width: var(--container-md); }
.max-w-lg  { max-width: var(--container-lg); }
.max-w-xl  { max-width: var(--container-xl); }

/* ── Margin Utilities ── */
.mx-auto { margin-inline: auto; }

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

/* ── Display ── */
.block  { display: block; }
.hidden { display: none; }

@media (max-width: 768px) {
  .md\:hidden { display: none; }
}

@media (min-width: 769px) {
  .md\:block { display: block; }
  .md\:flex  { display: flex; }
}

/* ── Relative / Absolute positioning ── */
.relative { position: relative; }
.absolute { position: absolute; }

/* ── Overflow ── */
.overflow-hidden { overflow: hidden; }

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}