/* ==========================================================================
   Layout
   Container, grid utilities, and responsive breakpoints.
   ========================================================================== */

/* --- Container ---------------------------------------------------------- */

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

/* --- Section ------------------------------------------------------------ */

.section {
  padding-block: var(--section-padding);
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.section__label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.section__title {
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin-inline: auto;
}


/* --- Grid --------------------------------------------------------------- */

.grid {
  display: grid;
  gap: var(--space-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-fill {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}


/* --- Flex Utilities ----------------------------------------------------- */

.flex {
  display: flex;
}

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

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

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

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

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


/* --- Responsive --------------------------------------------------------- */

@media (max-width: 1024px) {
  :root {
    --section-padding: var(--space-20);
  }

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

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

@media (max-width: 768px) {
  :root {
    --section-padding: var(--space-16);
    --container-padding: var(--space-5);
  }

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

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .grid--auto-fill {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-4);
  }

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