/* =============================================================
   IA Academy — Page-Specific Styles
   AI Courses Landing Page
   ============================================================= */

/* --- Smooth Scroll --- */
html {
  scroll-behavior: smooth;
}

/* --- Hero Gradient Background --- */
.hero--ai {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(92, 27, 218, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(192, 255, 66, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(92, 27, 218, 0.15) 0%, transparent 50%),
    var(--surface-default);
}

/* --- Hero Glow Orbs --- */
.hero__glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.hero__glow--purple {
  background: var(--color-purple-500);
  top: -10%;
  left: -10%;
}

.hero__glow--lime {
  background: var(--color-lime-500);
  bottom: -10%;
  right: -10%;
  opacity: 0.15;
}

/* --- Inline Hero Form --- */
.hero-form-inline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  width: 100%;
  max-width: var(--container-sm);
}

@media (min-width: 640px) {
  .hero-form-inline {
    flex-direction: row;
    align-items: stretch;
  }

  .hero-form-inline .smart-form__input {
    flex: 1;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: none;
  }

  .hero-form-inline .smart-form__submit {
    margin-top: 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    white-space: nowrap;
    width: auto;
    padding: var(--spacing-3) var(--spacing-6);
  }
}

.hero-form-inline .smart-form {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
  max-width: 100%;
}

/* --- Section Alternating Backgrounds --- */
.section--alt {
  background-color: var(--surface-subtle);
}

/* --- Course Cards Grid --- */
.courses-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Testimonials Grid --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Before/After Container --- */
.before-after-container {
  display: flex;
  justify-content: center;
}

/* --- CTA Section --- */
.section--cta {
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(92, 27, 218, 0.2) 0%, transparent 70%),
    var(--surface-default);
}

.cta-form-wrapper {
  display: flex;
  justify-content: center;
}

/* --- Fade In Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(var(--spacing-6));
  transition:
    opacity var(--duration-slow) var(--easing-out),
    transform var(--duration-slow) var(--easing-out);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(var(--spacing-5));
  transition:
    opacity var(--duration-normal) var(--easing-out),
    transform var(--duration-normal) var(--easing-out);
}

.fade-in-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.fade-in-stagger.is-visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.fade-in-stagger.is-visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.fade-in-stagger.is-visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.fade-in-stagger.is-visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

/* --- Navbar body offset --- */
body {
  padding-top: var(--navbar-height);
}

/* --- Mobile menu improvements --- */
@media (max-width: 767px) {
  .navbar__actions .btn--sm {
    display: none;
  }
}

/* --- Pricing badge fix --- */
.pricing-plan--highlighted .pricing-plan__badge {
  z-index: 2;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .fade-in-stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}