/* ============================================================
   TECHBITDEALS — Layout System
   Grid, containers, and responsive breakpoints.
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

/* --- Section spacing --- */
.section {
  padding-block: var(--space-12);
}

.section--lg {
  padding-block: var(--space-16);
}

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

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

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

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

/* --- Layout with sidebar --- */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

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

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

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

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

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

.justify-between {
  justify-content: space-between;
}

.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); }

/* --- Page wrapper (pushes footer down) --- */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-wrapper > main {
  flex: 1;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS (mobile-first)
   ============================================================ */

/* sm: 640px */
@media (min-width: 640px) {
  .container {
    padding-inline: var(--space-6);
  }

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

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

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

/* md: 768px */
@media (min-width: 768px) {
  .section {
    padding-block: var(--space-16);
  }

  .section--lg {
    padding-block: var(--space-20);
  }

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

/* lg: 1024px */
@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-8);
  }

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

  .layout-sidebar {
    grid-template-columns: 1fr 300px;
  }
}

/* xl: 1280px */
@media (min-width: 1280px) {
  .layout-sidebar {
    grid-template-columns: 1fr 340px;
  }
}