/* ============================================================
   01Academy · Layout
   Vivid+Co Design System — Prismatic Light Through Obsidian
   ============================================================ */

/* --- Page & Container --- */
.wrap {
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.wrap--wide {
  max-width: 1440px;
}

/* --- Sections --- */
.section {
  padding-block: var(--section-gap);
  position: relative;
  border-bottom: 1px solid transparent;
}

.section--tight {
  padding-block: var(--spacing-64);
}

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

/* --- Surface Bands --- */
.band-cream2,
.band-graphite {
  background-color: #131619;
  position: relative;
}

.band-dark,
.band-obsidian {
  background-color: var(--color-obsidian);
  position: relative;
}

/* Hairline dividers between bands */
.band-rule {
  height: 1px;
  background: var(--color-ash-border);
  width: 100%;
  margin: 0;
  border: none;
}

/* --- Section Heading --- */
.sec-head {
  max-width: 840px;
  margin-bottom: var(--spacing-56);
}

.sec-head--center {
  margin-inline: auto;
  text-align: center;
}

.sec-head h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--spacing-20);
  color: var(--color-bone-white);
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.sec-head p {
  font-size: var(--text-body);
  color: var(--color-fog-blue);
  max-width: 580px;
  line-height: var(--lh-body);
}

.sec-head--center p {
  margin-inline: auto;
}

/* --- Grids --- */
.grid {
  display: grid;
  gap: var(--spacing-20);
}

.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(280px, 100%), 1fr));
}

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .grid--3,
  .grid--2,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  .section {
    padding-block: var(--spacing-64);
  }
}

/* Vertical Stack */
.stack {
  display: flex;
  flex-direction: column;
}
.stack--2 { gap: var(--sp-2); }
.stack--3 { gap: var(--sp-3); }
.stack--4 { gap: var(--sp-4); }
.stack--5 { gap: var(--sp-5); }

/* Horizontal Row */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}
.row--center {
  justify-content: center;
}