/* ============================================================
   AIRAVATAM — Utility Classes
   Layout helpers, spacing, display, flex/grid shorthands.
   These are composable building blocks — NOT component styles.
   ============================================================ */

/* ---------- Container -------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

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

@media (max-width: 768px) {
  .container,
  .container-wide,
  .container-sm {
    padding-inline: var(--space-4);
  }
}

/* ---------- Section Padding -------------------------------- */
.section {
  padding-block: var(--section-py);
}

.section-sm {
  padding-block: var(--section-py-sm);
}

/* ---------- Section Color Variants ------------------------- */
.section-dark {
  background-color: var(--color-bg-dark);
}

.section-mid {
  background-color: var(--color-bg-mid);
}

.section-light {
  background-color: var(--color-bg-page);
}

.section-white {
  background-color: #FFFFFF;
}

/* ---------- Flex Utilities --------------------------------- */
.flex       { display: flex; }
.flex-col   { display: flex; flex-direction: column; }
.flex-wrap  { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end   { align-items: flex-end; }
.justify-start  { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end    { justify-content: flex-end; }
.justify-between{ justify-content: space-between; }
.justify-around { justify-content: space-around; }
.flex-1    { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.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); }
.gap-12 { gap: var(--space-12); }

/* ---------- Grid Utilities --------------------------------- */
.grid  { display: grid; }
.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); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

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

/* ---------- Text Color Shortcuts --------------------------- */
.text-white   { color: #FFFFFF !important; }
.text-primary { color: var(--color-primary) !important; }
.text-accent  { color: var(--color-accent) !important; }
.text-muted   { color: var(--color-text-secondary) !important; }
.text-dark    { color: var(--color-text-dark) !important; }

/* ---------- Font Weight ------------------------------------ */
.font-regular  { font-weight: var(--weight-regular); }
.font-medium   { font-weight: var(--weight-medium); }
.font-semibold { font-weight: var(--weight-semibold); }
.font-bold     { font-weight: var(--weight-bold); }

/* ---------- Font Size Shortcuts ---------------------------- */
.text-xs   { font-size: var(--text-xs); }
.text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg   { font-size: var(--text-lg); }
.text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }

/* ---------- Spacing Utilities ------------------------------ */
.mt-auto { margin-top: auto; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

/* ---------- Display ---------------------------------------- */
.hidden       { display: none !important; }
.block        { display: block; }
.inline-block { display: inline-block; }
.relative     { position: relative; }
.absolute     { position: absolute; }
.fixed        { position: fixed; }
.inset-0      { inset: 0; }
.overflow-hidden { overflow: hidden; }

/* ---------- Width / Height --------------------------------- */
.w-full  { width: 100%; }
.h-full  { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ---------- Responsive Visibility -------------------------- */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* ---------- Section Header (reusable pattern) -------------- */
.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-header .eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  padding: var(--space-1) var(--space-4);
  background: rgba(0, 127, 255, 0.1);
  border: 1px solid rgba(0, 127, 255, 0.2);
  border-radius: var(--radius-full);
}

.section-header .eyebrow.accent {
  color: var(--color-accent);
  background: rgba(255, 107, 0, 0.1);
  border-color: rgba(255, 107, 0, 0.2);
}

.section-header h2 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-3xl));
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* Section header on dark background */
.section-dark .section-header h2 {
  color: var(--color-text-primary);
}
.section-dark .section-header p {
  color: var(--color-text-secondary);
}

/* ---------- Gradient Text ---------------------------------- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-accent {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Divider ---------------------------------------- */
.divider {
  width: 60px;
  height: 4px;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  margin-block: var(--space-4);
}

.divider.center { margin-inline: auto; }
.divider.accent { background: var(--gradient-accent); }

/* ---------- Overlay ---------------------------------------- */
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}

/* ---------- Animated Scroll Reveal ------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }