/**
 * PharmEtrade — Layout System
 * Container, grid, section scaffolding
 */

/* ── Container ────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--narrow {
  max-width: 760px;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container--wide {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

/* ── Sections ─────────────────────────────────────── */
.section {
  padding-block: var(--space-3xl);
}

.section--sm  { padding-block: var(--space-2xl); }
.section--lg  { padding-block: calc(var(--space-3xl) * 1.25); }

.section--white  { background-color: var(--color-bg-white); }
.section--canvas { background-color: var(--color-bg-canvas); }
.section--navy   { background-color: var(--color-navy); }
.section--raised { background-color: var(--color-bg-raised); }

.section-divider {
  border-top: 1px solid var(--color-border);
}

/* ── Section Header ───────────────────────────────── */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.section-header__left { flex: 1; }

.section-header__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-green);
  display: block;
  margin-bottom: var(--space-2);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-regular);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-1);
}

.section-header__title--inverse { color: #fff; }

.section-header__sub {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.section-header__sub--inverse { color: rgba(255,255,255,0.55); }

/* ── Grids ────────────────────────────────────────── */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }

.grid-auto-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-lg); }
.grid-auto-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-lg); }

/* ── Flex Helpers ─────────────────────────────────── */
.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: center; justify-content: flex-start; gap: var(--space-md); }
.flex-col     { display: flex; flex-direction: column; }

/* ── Spacing helpers ──────────────────────────────── */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }
.gap-xl  { gap: var(--space-xl); }

/* ── Page Hero (non-home) ─────────────────────────── */
.page-hero {
  background: var(--color-navy);
  padding-block: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,168,120,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: var(--space-4);
  display: block;
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-regular);
  color: #fff;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.page-hero__sub {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  line-height: var(--leading-base);
}

/* ── Breadcrumb ───────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumb a { color: inherit; transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-text-primary); }

.breadcrumb__sep { color: var(--color-border-dark); font-size: 10px; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .section { padding-block: var(--space-2xl); }
}

@media (max-width: 768px) {
  .container { padding-inline: var(--space-md); }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section { padding-block: var(--space-16); }
  .section--sm { padding-block: var(--space-12); }
  .section-header { flex-direction: column; align-items: flex-start; margin-bottom: var(--space-xl); }
  .page-hero__title { font-size: var(--text-3xl); }
}