/* ============================================
   Sprout Website — Responsive System
   Mobile-first: 360px base, min-width up
   ============================================
   Breakpoints:
   --bp-sm:  480px  (large phone)
   --bp-md:  768px  (tablet)
   --bp-lg:  1024px (small desktop)
   --bp-xl:  1280px (large desktop)
   ============================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-xl, 16px);
  padding-right: var(--spacing-xl, 16px);
}

@media (min-width: 480px) {
  .container { max-width: 460px; }
}
@media (min-width: 768px) {
  .container {
    max-width: 720px;
    padding-left: var(--spacing-3xl, 24px);
    padding-right: var(--spacing-3xl, 24px);
  }
}
@media (min-width: 1024px) {
  .container { max-width: 960px; }
}
@media (min-width: 1280px) {
  .container { max-width: 1140px; }
}

/* Narrow container for text-heavy content */
.container-narrow {
  width: 100%;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-xl, 16px);
  padding-right: var(--spacing-xl, 16px);
}

@media (min-width: 768px) {
  .container-narrow {
    max-width: 640px;
    padding-left: var(--spacing-3xl, 24px);
    padding-right: var(--spacing-3xl, 24px);
  }
}

/* ── Stack (vertical flow with consistent gap) ── */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl, 16px);
}

.stack-sm { gap: var(--spacing-md, 8px); }
.stack-lg { gap: var(--spacing-3xl, 24px); }
.stack-xl { gap: var(--spacing-5xl, 40px); }

@media (min-width: 768px) {
  .stack    { gap: var(--spacing-3xl, 24px); }
  .stack-sm { gap: var(--spacing-lg, 12px); }
  .stack-lg { gap: var(--spacing-5xl, 40px); }
  .stack-xl { gap: var(--spacing-7xl, 64px); }
}

/* ── Cluster (horizontal wrap with gap) ── */
.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg, 12px);
  align-items: center;
}

/* ── Grid (auto-fit responsive grid) ── */
.grid-auto {
  display: grid;
  gap: var(--spacing-xl, 16px);
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .grid-auto { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .grid-auto {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3xl, 24px);
  }
}
@media (min-width: 1024px) {
  .grid-auto { grid-template-columns: repeat(4, 1fr); }
}

/* ── Typography utilities ──
   Display sizes are fluid via clamp() in tokens.css.
   These classes map to semantic levels — no breakpoint overrides needed.
*/
.text-hero {
  font-size: var(--font-size-display-xl);
  line-height: var(--line-height-display-xl);
  font-weight: var(--font-weight-bold, 700);
  letter-spacing: var(--letter-spacing-display, -0.02em);
}

.text-title {
  font-size: var(--font-size-display-sm);
  line-height: var(--line-height-display-sm);
  font-weight: var(--font-weight-bold, 700);
  letter-spacing: var(--letter-spacing-display, -0.02em);
}

.text-subtitle {
  font-size: var(--font-size-text-lg);
  line-height: var(--line-height-text-lg);
  font-weight: var(--font-weight-medium, 500);
}

.text-body {
  font-size: var(--font-size-text-md);
  line-height: var(--line-height-text-md);
  font-weight: var(--font-weight-regular, 400);
}

.text-caption {
  font-size: var(--font-size-text-sm);
  line-height: var(--line-height-text-sm);
  font-weight: var(--font-weight-regular, 400);
}

/* ── Visibility helpers ── */
.hide-below-sm { display: none; }
.hide-below-md { display: none; }
.hide-below-lg { display: none; }

@media (min-width: 480px) { .hide-below-sm { display: revert; } }
@media (min-width: 768px) { .hide-below-md { display: revert; } }
@media (min-width: 1024px) { .hide-below-lg { display: revert; } }

.show-below-sm { display: revert; }
.show-below-md { display: revert; }

@media (min-width: 480px) { .show-below-sm { display: none; } }
@media (min-width: 768px) { .show-below-md { display: none; } }

/* ── Responsive spacing utilities ── */
.section-pad {
  padding-top: var(--spacing-5xl, 40px);
  padding-bottom: var(--spacing-5xl, 40px);
}

@media (min-width: 768px) {
  .section-pad {
    padding-top: var(--spacing-7xl, 64px);
    padding-bottom: var(--spacing-7xl, 64px);
  }
}

@media (min-width: 1024px) {
  .section-pad {
    padding-top: var(--spacing-9xl, 96px);
    padding-bottom: var(--spacing-9xl, 96px);
  }
}

/* ── Horizontal scroll container (mobile nav, tags) ── */
.scroll-x {
  display: flex;
  gap: var(--spacing-md, 8px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--spacing-xs, 4px);
}
.scroll-x::-webkit-scrollbar { display: none; }

@media (min-width: 768px) {
  .scroll-x {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

/* ── Responsive character canvas ── */
.character-frame {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  margin: 0 auto;
}

.character-frame canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

@media (min-width: 768px) {
  .character-frame { max-width: 360px; }
}

@media (min-width: 1024px) {
  .character-frame { max-width: 440px; }
}

/* ── Two-column layout (stacks on mobile) ── */
.split {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl, 24px);
}

@media (min-width: 768px) {
  .split {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-5xl, 40px);
  }
  .split > * { flex: 1; min-width: 0; }
}

/* ── Card base ── */
.card {
  background: var(--bg-primary, #fff);
  border: 1px solid var(--border-secondary, #e9eaeb);
  border-radius: var(--radius-xl, 12px);
  overflow: hidden;
}

/* ── Full-bleed mobile, contained on larger screens ── */
.bleed-mobile {
  margin-left: calc(-1 * var(--spacing-xl, 16px));
  margin-right: calc(-1 * var(--spacing-xl, 16px));
  border-radius: 0;
}

@media (min-width: 768px) {
  .bleed-mobile {
    margin-left: 0;
    margin-right: 0;
    border-radius: var(--radius-xl, 12px);
  }
}