/* ==============================================
   CROTWEB/css/main.css
   Base styles, layout & utilities
   ============================================== */

/* === BASE === */
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-medium);
  line-height: 1.2;
  color: var(--color-primary);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
  margin-bottom: var(--space-sm);
  line-height: 1.75;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section {
  padding: var(--space-3xl) 0;
}

/* === SECTION HEADERS === */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--color-secondary);
  margin: 0 auto;
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-cta { color: var(--color-cta); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-alt { background-color: var(--color-bg-alt); }
.bg-white { background-color: var(--color-white); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(8px); }
  60% { transform: translateY(4px); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}