/* =========================================================
   EMIFORMULA — COMMON PAGE LAYOUT SYSTEM
   STEP 1.7
   ========================================================= */


/* ---------------------------------------------------------
   1. PAGE SHELL
   --------------------------------------------------------- */

.page-shell {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}


/* ---------------------------------------------------------
   2. MAIN PAGE AREA
   --------------------------------------------------------- */

.page-main {
  width: 100%;
  flex: 1 0 auto;
}


/* ---------------------------------------------------------
   3. STANDARD CONTENT AREA
   --------------------------------------------------------- */

.page-container {
  width: min(
    calc(100% - 2rem),
    var(--container-max)
  );

  margin-inline: auto;
}


/* ---------------------------------------------------------
   4. STANDARD PAGE SECTION
   --------------------------------------------------------- */

.page-section {
  width: 100%;
  padding-block: var(--space-8);
}


/* ---------------------------------------------------------
   5. PAGE INTRO
   --------------------------------------------------------- */

.page-intro {
  max-width: 820px;
  margin-bottom: var(--space-8);
}

.page-intro h1 {
  margin-bottom: var(--space-3);
}

.page-intro p {
  margin-bottom: 0;
  color: var(--text-secondary);
}


/* ---------------------------------------------------------
   6. CONTENT WIDTHS
   --------------------------------------------------------- */

.content-narrow {
  width: 100%;
  max-width: 760px;
}

.content-medium {
  width: 100%;
  max-width: 960px;
}

.content-wide {
  width: 100%;
  max-width: 1120px;
}


/* ---------------------------------------------------------
   7. TWO-COLUMN PAGE LAYOUT
   --------------------------------------------------------- */

.page-grid {
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    minmax(240px, 320px);

  gap: var(--space-8);

  align-items: start;
}


/* ---------------------------------------------------------
   8. MAIN CONTENT + SIDEBAR
   --------------------------------------------------------- */

.page-content {
  min-width: 0;
}

.page-sidebar {
  min-width: 0;
}


/* ---------------------------------------------------------
   9. FULL-WIDTH LAYOUT
   --------------------------------------------------------- */

.page-full {
  width: 100%;
}


/* ---------------------------------------------------------
   10. STACKED CONTENT
   --------------------------------------------------------- */

.content-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}


/* ---------------------------------------------------------
   11. CONTENT GRID
   --------------------------------------------------------- */

.content-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: var(--space-5);
}


/* ---------------------------------------------------------
   12. PAGE DIVIDER
   --------------------------------------------------------- */

.page-divider {
  width: 100%;
  height: 1px;
  margin-block: var(--space-6);
  border: 0;
  background: var(--border);
}


/* ---------------------------------------------------------
   13. MOBILE
   --------------------------------------------------------- */

@media (max-width: 900px) {

  .page-section {
    padding-block: var(--space-7);
  }

  .page-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .page-sidebar {
    width: 100%;
  }

  .content-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

}


/* ---------------------------------------------------------
   14. SMALL MOBILE
   --------------------------------------------------------- */

@media (max-width: 600px) {

  .page-container {
    width: min(
      calc(100% - 1rem),
      var(--container-max)
    );
  }

  .page-section {
    padding-block: var(--space-6);
  }

  .page-intro {
    margin-bottom: var(--space-6);
  }

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

  .content-stack {
    gap: var(--space-4);
  }

}


/* ---------------------------------------------------------
   15. LARGE DESKTOP
   --------------------------------------------------------- */

@media (min-width: 1200px) {

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

}