/* ═══════════════════════════════════════════════
   SOLAR SMART ADVISOR — ANIMATIONS
   animations.css
   All keyframes and animation utility classes.
═══════════════════════════════════════════════ */

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

@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-scale {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0px rgba(242, 182, 50, 0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(242, 182, 50, 0); }
  100% { box-shadow: 0 0 0 0px rgba(242, 182, 50, 0); }
}

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

@keyframes success-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes loader-bar {
  from { width: 0%; }
  to   { width: 100%; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes count-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}

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

/* Global floating actions (WhatsApp + Facebook) — see .fab-* in layout.css */
@keyframes fabEnter {
  from { opacity: 0; transform: translateY(20px) scale(0.8); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fabWhatsappGlow {
  0%, 100% { box-shadow: 0 8px 22px rgba(29,168,81,0.4); }
  50%       { box-shadow: 0 8px 28px rgba(29,168,81,0.7); }
}
@keyframes fabRingPulse {
  0%   { transform: scale(0.88); opacity: 0.55; }
  70%, 100% { transform: scale(1.4); opacity: 0; }
}
@keyframes fabFacebookBreathe {
  0%, 100% { opacity: 0.8; }
  50%       { opacity: 1; }
}

/* Step 12 Facebook CTA — see .facebook-cta in components.css */
@keyframes fbRevealIn {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fbRingPulse {
  0%   { transform: scale(0.85); opacity: 0.65; }
  70%  { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}
@keyframes fbIconFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-3px); }
}
@keyframes fbShimmer {
  0%   { background-position: -140% 0; }
  100% { background-position: 140% 0; }
}

/* ── Animation Utilities ─────────────────── */

.anim-fade-in {
  animation: fade-in 0.4s var(--ease-out) both;
}

.anim-fade-in-scale {
  animation: fade-in-scale 0.35s var(--ease-spring) both;
}

.anim-slide-up {
  animation: slide-up 0.5s var(--ease-spring) both;
}

.anim-float {
  animation: float 4s ease-in-out infinite;
}

.anim-pulse {
  animation: pulse-ring 2s ease-out infinite;
}

.anim-spin {
  animation: spin 1s linear infinite;
}

.anim-success-pop {
  animation: success-pop 0.4s var(--ease-spring);
}

/* ── Skeleton Loading ─────────────────────── */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--color-surface2);
  border-radius: var(--radius);
  color: transparent !important;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}
.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(242, 182, 50, 0.10) 50%,
    transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

/* Staggered children */
.anim-stagger > *:nth-child(1) { animation-delay: 0ms; }
.anim-stagger > *:nth-child(2) { animation-delay: 80ms; }
.anim-stagger > *:nth-child(3) { animation-delay: 160ms; }
.anim-stagger > *:nth-child(4) { animation-delay: 240ms; }
.anim-stagger > *:nth-child(5) { animation-delay: 320ms; }
.anim-stagger > *:nth-child(6) { animation-delay: 400ms; }
.anim-stagger > *:nth-child(7) { animation-delay: 440ms; }
.anim-stagger > *:nth-child(8) { animation-delay: 480ms; }
.anim-stagger > *:nth-child(9) { animation-delay: 520ms; }

/* ── Loader Bar ──────────────────────────── */
.loader-bar-fill {
  animation: loader-bar 1.2s var(--ease-out) forwards;
}

/* ── Arc SVG ─────────────────────────────── */
#arc-fill {
  transition: stroke-dashoffset 1.2s var(--ease-spring);
}

/* ── Welcome background grid ─────────────── */
.welcome-grid-bg {
  background-image:
    linear-gradient(rgba(242,182,50,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,182,50,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: glow-pulse 4s ease-in-out infinite;
}