/* ========================================================================
   Kasi Economic Warriors (KEW)
   Public Website Front-End
   File: assets/css/layout.css

   Purpose:
   Shared structural layout only. No component skinning, button styling,
   navigation styling or page-specific presentation belongs in this file.
   ======================================================================== */

/* Page shell */
.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.site-header,
.site-footer {
  width: 100%;
  flex: 0 0 auto;
}

/* Containers */
.container {
  width: min(100% - (var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.container--reading {
  width: min(100% - (var(--container-gutter) * 2), var(--container-reading));
  margin-inline: auto;
}

.container--full {
  width: 100%;
}

/* Sections */
.section {
  position: relative;
  width: 100%;
  padding-block: var(--section-space-md);
}

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

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

.section--flush {
  padding-block: 0;
}

.section__inner {
  width: min(100% - (var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

/* Vertical rhythm */
.stack {
  display: flex;
  flex-direction: column;
}

.stack--xs { gap: var(--space-xs); }
.stack--sm { gap: var(--space-sm); }
.stack--md { gap: var(--space-md); }
.stack--lg { gap: var(--space-lg); }
.stack--xl { gap: var(--space-xl); }
.stack--2xl { gap: var(--space-2xl); }
.stack--3xl { gap: var(--space-3xl); }

/* Horizontal / wrapping groups */
.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.cluster--start { justify-content: flex-start; }
.cluster--center { justify-content: center; }
.cluster--between { justify-content: space-between; }
.cluster--end { justify-content: flex-end; }

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

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

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

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

/* Two-column content layouts */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(var(--space-xl), 5vw, var(--space-4xl));
  align-items: center;
}

.split--wide-left {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.split--wide-right {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

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

/* Content positioning */
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Width helpers */
.measure {
  max-width: var(--container-reading);
}

.measure--narrow {
  max-width: 620px;
}

.measure--wide {
  max-width: 980px;
}

.full-width {
  width: 100%;
}

/* Header / footer structural space only */
.site-header {
  min-height: var(--header-height);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  width: min(100% - (var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.site-footer__inner {
  width: min(100% - (var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
  padding-block: var(--section-space-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: var(--space-2xl);
}

/* Hero structure only */
.page-hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: clamp(420px, 68vh, 720px);
  padding-block: var(--section-space-lg);
}

.page-hero__inner {
  width: min(100% - (var(--container-gutter) * 2), var(--container-max));
  margin-inline: auto;
}

.page-hero__content {
  max-width: 780px;
}

/* Media / copy pairings */
.media-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(var(--space-xl), 5vw, var(--space-4xl));
  align-items: center;
}

.media-copy--reverse .media-copy__media {
  order: 2;
}

.media-copy--reverse .media-copy__copy {
  order: 1;
}

.media-copy__media,
.media-copy__copy {
  min-width: 0;
}

/* Full-bleed structural helper */
.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* Safe overflow behaviour */
.overflow-hidden {
  overflow: hidden;
}

.scroll-x {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

/* Structural responsive fallbacks.
   Fine-grained breakpoint behaviour remains in responsive.css. */
@media (max-width: 1023px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767px) {
  .site-header,
  .site-header__inner {
    min-height: var(--header-height-mobile);
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .split,
  .split--wide-left,
  .split--wide-right,
  .media-copy,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .media-copy--reverse .media-copy__media,
  .media-copy--reverse .media-copy__copy {
    order: initial;
  }

  .page-hero {
    min-height: auto;
  }
}