/* ============================================================
   Safe Martin Capacitaciones — animations.css
   Animaciones sutiles < 300ms. Sin movimientos excesivos.
   ============================================================ */

/* ── Scroll Reveal ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 280ms ease, transform 280ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 280ms ease, transform 280ms ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 280ms ease, transform 280ms ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger delays for child items */
.reveal-stagger > *:nth-child(1) { transition-delay:  40ms; }
.reveal-stagger > *:nth-child(2) { transition-delay:  90ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 140ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 190ms; }
.reveal-stagger > *:nth-child(5) { transition-delay: 240ms; }

/* ── Hero fade-in ────────────────────────────────────────────── */
@keyframes heroFade {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-badge   { animation: heroFade 260ms ease 80ms  both; }
.hero h1      { animation: heroFade 260ms ease 140ms both; }
.hero-sub     { animation: heroFade 260ms ease 200ms both; }
.hero-ctas    { animation: heroFade 260ms ease 260ms both; }

/* ── Pulse on WA button ──────────────────────────────────────── */
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,.45); }
  50%       { box-shadow: 0 4px 22px rgba(37,211,102,.70); }
}
.wa-btn { animation: waPulse 2.4s ease-in-out infinite; }
.wa-btn:hover { animation: none; }

/* ── Navbar scroll shadow ────────────────────────────────────── */
.navbar { transition: box-shadow 200ms ease; }

/* ── Counter animation ───────────────────────────────────────── */
.counter { display: inline-block; }

/* ── Filter button ───────────────────────────────────────────── */
.filter-btn {
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

/* ── Course card image overlay ───────────────────────────────── */
.course-card-img-placeholder { transition: background 200ms ease; }
.course-card:hover .course-card-img-placeholder {
  background: linear-gradient(135deg, var(--gray-300, #CBD5E1) 0%, var(--gray-200, #E2E8F0) 100%);
}