/* ================================================================
   DIVISION ONE FIRE SYSTEMS — VANGUARD RMS
   animations.css: Keyframes, Scroll Animations, Transitions
   ================================================================ */

/* ── Keyframes ──────────────────────────────────────────────────── */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-48px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(48px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Hero word stagger */
@keyframes wordReveal {
  from {
    opacity: 0;
    transform: translateY(50px) skewY(3deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewY(0);
  }
}

/* Floating product screenshot */
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

/* Pulse glow for CTA buttons */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4); }
  50%       { box-shadow: 0 4px 40px rgba(230, 57, 70, 0.7), 0 0 60px rgba(230, 57, 70, 0.2); }
}

/* Shimmer for loading / hero */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* Rotating border for stat cards */
@keyframes rotateBorder {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Timeline line draw */
@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

/* Nav underline slide */
@keyframes slideInScale {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Trust bar fade sequence */
@keyframes trustFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Initial Hidden State ───────────────────────────────────────── */
/* Elements start hidden, animation class is added by IntersectionObserver */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity 0.65s ease,
    transform 0.65s ease;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.reveal-fade {
  opacity: 0;
  transition: opacity 0.8s ease;
}

/* ── Visible State (added by JS IntersectionObserver) ──────────── */

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-fade.is-visible {
  opacity: 1;
}

/* ── Stagger Delays ─────────────────────────────────────────────── */
/* Used via data-delay attribute read by JS, or direct CSS classes */

.delay-100  { transition-delay: 100ms; }
.delay-150  { transition-delay: 150ms; }
.delay-200  { transition-delay: 200ms; }
.delay-250  { transition-delay: 250ms; }
.delay-300  { transition-delay: 300ms; }
.delay-350  { transition-delay: 350ms; }
.delay-400  { transition-delay: 400ms; }
.delay-450  { transition-delay: 450ms; }
.delay-500  { transition-delay: 500ms; }
.delay-600  { transition-delay: 600ms; }
.delay-700  { transition-delay: 700ms; }
.delay-800  { transition-delay: 800ms; }

/* ── Hero Entrance (fires on page load) ─────────────────────────── */

.hero-animate-1 {
  animation: fadeInUp 0.6s ease 0ms both;
}

.hero-animate-2 {
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-animate-3 {
  animation: fadeInUp 0.65s ease 0.25s both;
}

.hero-animate-4 {
  animation: fadeInUp 0.6s ease 0.45s both;
}

.hero-animate-5 {
  animation: fadeInUp 0.55s ease 0.65s both;
}

/* Hero word-by-word reveal */
.hero-word {
  display: inline-block;
  opacity: 0;
  animation: wordReveal 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ── Continuous Animations ──────────────────────────────────────── */

.float-anim {
  animation: floatY 6s ease-in-out infinite;
}

.pulse-btn {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* ── Reduced Motion Override ────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .reveal-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-word {
    opacity: 1;
    animation: none;
  }
}