/* =============================================================================
   LAYOUT.CSS — Jaipur Stone Industries
   Container, 12-column grid, sections, flex/grid utilities
   ============================================================================= */


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

.container--narrow {
  max-width: 900px;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide {
  max-width: 1600px;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--flush {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 0;
}


/* -----------------------------------------------------------------------------
   2. SECTION SYSTEM
   ----------------------------------------------------------------------------- */
.section {
  padding-block: var(--section-spacing);
}

.section--sm {
  padding-block: calc(var(--section-spacing) * 0.5);
}

.section--lg {
  padding-block: calc(var(--section-spacing) * 1.5);
}

.section--flush-top    { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

/* Background variants */
.section--bg-primary   { background-color: var(--color-bg-primary); }
.section--bg-secondary { background-color: var(--color-bg-secondary); }
.section--bg-tertiary  { background-color: var(--color-bg-tertiary); }


/* -----------------------------------------------------------------------------
   3. 12-COLUMN GRID
   ----------------------------------------------------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

/* Column span helpers */
.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* Column start helpers */
.col-start-1  { grid-column-start: 1; }
.col-start-2  { grid-column-start: 2; }
.col-start-3  { grid-column-start: 3; }
.col-start-4  { grid-column-start: 4; }
.col-start-5  { grid-column-start: 5; }
.col-start-7  { grid-column-start: 7; }


/* -----------------------------------------------------------------------------
   4. COMMON GRID LAYOUTS (semantic shortcuts)
   ----------------------------------------------------------------------------- */

/* Two equal columns */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

/* Three equal columns */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

/* Four equal columns */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

/* Auto-fill responsive grid */
.grid-auto-sm {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--grid-gap);
}

.grid-auto-md {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--grid-gap);
}

.grid-auto-lg {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: var(--grid-gap);
}

/* 60/40 editorial split */
.grid-editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--inner-spacing);
  align-items: center;
}

.grid-editorial--reversed .grid-editorial__media { order: 2; }
.grid-editorial--reversed .grid-editorial__content { order: 1; }


/* -----------------------------------------------------------------------------
   5. 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-end    { display: flex; align-items: center; justify-content: flex-end; }
.flex-wrap   { flex-wrap: wrap; }
.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); }


/* -----------------------------------------------------------------------------
   6. SECTION HEADER (title + subtext block used across all sections)
   ----------------------------------------------------------------------------- */
.section-header {
  margin-bottom: var(--inner-spacing);
}

.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header__overline {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  display: block;
}

.section-header__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-snug);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.section-header__body {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 60ch;
}


/* -----------------------------------------------------------------------------
   7. SPACING UTILITIES
   ----------------------------------------------------------------------------- */
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.pt-section { padding-top: var(--section-spacing); }
.pb-section { padding-bottom: var(--section-spacing); }


/* -----------------------------------------------------------------------------
   8. RESPONSIVE BREAKPOINTS
   ----------------------------------------------------------------------------- */

/* Tablet: 1024px */
@media (max-width: 1024px) {
  :root {
    --section-spacing: 4.5rem;
    --inner-spacing:   2.5rem;
    --grid-gap:        2rem;
  }

  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-editorial { gap: var(--space-10); }

  .col-3  { grid-column: span 6; }
  .col-4  { grid-column: span 6; }
  .col-5  { grid-column: span 6; }
}

/* Large mobile: 768px */
@media (max-width: 768px) {
  :root {
    --section-spacing: 3.5rem;
    --inner-spacing:   2rem;
    --grid-gap:        1.5rem;
  }

  h1 { font-size: clamp(1.75rem, 8vw, var(--font-size-3xl)); }
  h2 { font-size: clamp(1.5rem,  6vw, var(--font-size-2xl)); }

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

  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9 { grid-column: span 4; }
  .col-10, .col-11, .col-12 { grid-column: span 4; }
}

/* Mobile: 480px */
@media (max-width: 480px) {
  :root {
    --section-spacing: 3rem;
    --inner-spacing:   1.5rem;
    --grid-gap:        1.25rem;
  }

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

  .grid-editorial--reversed .grid-editorial__media,
  .grid-editorial--reversed .grid-editorial__content {
    order: unset;
  }
}


/* =============================================================================
   PAGE HERO — shared full-bleed overlay hero
   Used by Infrastructure (no dedicated page CSS) and available to any page.
   Header is position:fixed + transparent; hero starts at y:0 and the
   header floats on top naturally.
   ============================================================================= */

.page-hero {
  padding: 0;
  margin: 0;
  background-color: var(--color-bg-primary);
  line-height: 0;
}

.page-hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  z-index: 1;
  pointer-events: none;
  line-height: normal;
}

.page-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 6vw, var(--font-size-5xl));
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  line-height: 1;
  color: var(--color-text-primary);
  margin: 0;
  text-align: center;
}

.page-hero__rule {
  display: block;
  width: 36px;
  height: 1px;
  background-color: var(--color-accent);
  margin-top: var(--space-1);
}

.page-hero__line {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.01em;
  color: rgba(234, 234, 234, 0.5);
  text-align: center;
  margin: 0;
}