/* ============================================
   Layout — Duo Design
   Grid, container, flex utilities, responsive
   ============================================ */

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

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

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

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

/* White sections: soft separation from body gradient */
.section[style*="background: var(--clr-white)"] {
  margin-inline: 0;
  border-radius: 0;
  border-top: none;
  border-bottom: none;
}

/* Remove gap between adjacent white sections */
.section[style*="background: var(--clr-white)"] + .section[style*="background: var(--clr-white)"] {
  padding-top: 0;
}

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

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

.section--hero {
  padding-top: calc(var(--header-height) + var(--sp-16));
  padding-bottom: var(--sp-16);
}

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

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

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

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

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

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

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

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

.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

/* ── Text alignment ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

/* ── Visibility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 767px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .hide-mobile { display: none !important; }

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

  .section--hero {
    padding-top: calc(var(--header-height) + var(--sp-10));
    padding-bottom: var(--sp-10);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hide-tablet { display: none !important; }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none !important; }

  .container {
    padding-inline: var(--sp-10);
  }
}