/* =============================================================
   layout.css — Grid, containers, section spacing
   ============================================================= */

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

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

@media (max-width: 767px) {
  .container,
  .container-narrow {
    padding-left: var(--container-px-mob);
    padding-right: var(--container-px-mob);
  }
}

/* Section padding */
.section {
  padding-top: var(--section-py);
  padding-bottom: var(--section-py);
}

.section-compact {
  padding-top: var(--section-py-compact);
  padding-bottom: var(--section-py-compact);
}

.section-hero {
  padding-top: var(--section-py-hero);
  padding-bottom: var(--space-20);
}

@media (max-width: 1024px) {
  .section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .section-hero { padding-top: 6rem; padding-bottom: var(--space-16); }
}

@media (max-width: 767px) {
  .section { padding-top: var(--space-16); padding-bottom: var(--space-16); }
  .section-compact { padding-top: var(--space-8); padding-bottom: var(--space-8); }
  .section-hero { padding-top: 5rem; padding-bottom: var(--space-14, 3.5rem); }
}

/* Grid systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
}

/* Strategy card grids */
.strategy-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.plans-card-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-5);
}

/* Responsive grids */
@media (max-width: 1024px) {
  .grid-4   { grid-template-columns: repeat(2, 1fr); }
  .grid-5   { grid-template-columns: repeat(3, 1fr); }
  .plans-card-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .grid-2   { grid-template-columns: 1fr; }
  .grid-3   { grid-template-columns: 1fr; }
  .grid-4   { grid-template-columns: repeat(2, 1fr); }
  .grid-5   { grid-template-columns: 1fr; }
  .strategy-card-grid { grid-template-columns: 1fr; }
  .plans-card-grid    { grid-template-columns: 1fr; }
}

/* Stat grid — 4 across desktop, 2x2 mobile */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

@media (max-width: 767px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Flex helpers */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col    { display: flex; flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-center { justify-content: center; }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }

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

/* Section intro — left-aligned, panel-header style */
.section-intro {
  text-align: left;
  max-width: none;
  margin: 0 0 var(--space-8);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-2);
  display: block;
}

.section-intro h2 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  letter-spacing: -0.02em;
  margin-top: 0;
  margin-bottom: 0;
}

.section-intro p {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  max-width: 560px;
  color: var(--color-text-muted);
}

/* 2-column asymmetric layout (strategy hero) */
.col-7-5 {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-12);
  align-items: start;
}

.col-5-7 {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 1024px) {
  .col-7-5,
  .col-5-7 {
    grid-template-columns: 1fr;
  }
}

/* Breadcrumb */
.breadcrumb {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  color: var(--color-text-disabled);
  margin: 0 var(--space-2);
  font-size: 0.625rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-default);
}

.breadcrumb a:hover {
  color: var(--color-text-secondary);
}

.breadcrumb-sep {
  color: var(--color-text-disabled);
}

/* Display utilities */
.hidden         { display: none; }
.block          { display: block; }
.inline-block   { display: inline-block; }

@media (max-width: 767px) {
  .hide-mobile  { display: none !important; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* Margin helpers */
.mt-2  { margin-top: var(--space-2); }
.mt-3  { margin-top: var(--space-3); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

/* Full-width section backgrounds */
.bg-base       { background-color: var(--color-bg-base); }
.bg-surface-1  { background-color: var(--color-bg-surface-1); }
.bg-surface-2  { background-color: var(--color-bg-surface-2); }
.bg-pricing    { background-color: var(--color-bg-pricing-zone); }

/* Page wrapper */
.site-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Comparison table layout */
.comparison-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: var(--border-default);
}

@media (max-width: 767px) {
  .comparison-table {
    grid-template-columns: 1fr;
  }
}