/* ==========================================================================
   Swiss invest, UAB - Layout Stylesheet
   Container, Grid, Flex, and Section Structures
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-fluid {
  width: 100%;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* Sections */
.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
  position: relative;
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section-dark {
  background-color: var(--color-primary-base);
  color: var(--color-text-inverse);
}

.section-dark-surface {
  background-color: var(--color-secondary-surface);
  color: var(--color-text-inverse);
}

.section-cream {
  background-color: var(--color-bg-canvas-subtle);
}

/* Section Header */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-terracotta);
  background-color: var(--color-accent-terracotta-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.section-subtitle.light {
  color: var(--color-accent-sage);
  background-color: rgba(138, 168, 155, 0.15);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.section-dark .section-title,
.section-dark-surface .section-title {
  color: var(--color-text-inverse);
}

.section-desc {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-dark .section-desc,
.section-dark-surface .section-desc {
  color: var(--color-text-inverse-muted);
}

/* Grid Systems */
.grid {
  display: grid;
  gap: var(--space-8);
}

.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-12 {
  grid-template-columns: repeat(12, 1fr);
}

.grid-split-60-40 {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}

.grid-split-40-60 {
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
}

.grid-split-equal {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

/* Flex Utilities */
.flex {
  display: flex;
}

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

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

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

.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); }
.gap-10 { gap: var(--space-10); }

/* Responsive Layout */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-split-60-40,
  .grid-split-40-60 {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --space-20: 3.5rem;
    --space-24: 4.5rem;
  }
  .container,
  .container-narrow,
  .container-fluid {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .grid-split-equal {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}