/* ==========================================================================
   TSG AI - Layout / Grid / Container System
   ========================================================================== */

/* 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 {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

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

.section--gray {
  background-color: var(--tsg-gray-100);
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--tsg-white);
}

.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark p {
  color: var(--tsg-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.8);
}

.section--teal {
  background: var(--gradient-teal);
  color: var(--tsg-white);
}

.section--teal h2,
.section--teal h3,
.section--teal p {
  color: var(--tsg-white);
}

/* Section Header */
.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--tsg-teal);
  margin-bottom: var(--space-4);
}

.section--dark .section__eyebrow,
.section--teal .section__eyebrow {
  color: var(--tsg-teal-light);
}

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

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--tsg-gray-600);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

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

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

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

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

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

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

.flex--gap-sm {
  gap: var(--space-2);
}

.flex--gap {
  gap: var(--space-4);
}

.flex--gap-lg {
  gap: var(--space-8);
}

/* Text Alignment */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

/* Desktop grid overrides are in responsive.css */