/* =========================================
   LES HÉRITIERS DU COMTE — animations.css
   Motion philosophy: Ceremonial, weighted, archaeological
   ========================================= */

/* CANDLE FLICKER — atmospheric particle system */
@keyframes flicker {
  0%, 100% { opacity: 1; transform: scaleY(1) scaleX(1); }
  15%       { opacity: 0.85; transform: scaleY(1.04) scaleX(0.97); }
  33%       { opacity: 0.92; transform: scaleY(0.97) scaleX(1.02); }
  50%       { opacity: 0.88; transform: scaleY(1.02) scaleX(0.98); }
  66%       { opacity: 0.95; transform: scaleY(0.99) scaleX(1.01); }
  80%       { opacity: 0.90; transform: scaleY(1.03) scaleX(0.99); }
}

@keyframes flame-glow {
  0%, 100% { box-shadow: 0 0 30px 8px oklch(0.75 0.18 65 / 0.4), 0 0 80px 20px oklch(0.65 0.16 50 / 0.15); }
  33%       { box-shadow: 0 0 40px 12px oklch(0.75 0.18 65 / 0.5), 0 0 100px 28px oklch(0.65 0.16 50 / 0.2); }
  66%       { box-shadow: 0 0 24px 6px oklch(0.75 0.18 65 / 0.35), 0 0 60px 15px oklch(0.65 0.16 50 / 0.12); }
}

/* AMBIENT GLOW — background atmospheric breathe */
@keyframes ambient-breathe {
  0%, 100% { opacity: 0.6; transform: scale(1) translate(0, 0); }
  33%       { opacity: 0.8; transform: scale(1.05) translate(-1%, 1%); }
  66%       { opacity: 0.55; transform: scale(0.97) translate(1%, -0.5%); }
}

/* DUST PARTICLES — floating */
@keyframes dust-float {
  0%   { transform: translateY(0)   translateX(0)   opacity(0); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-120px) translateX(30px) opacity(0); opacity: 0; }
}

/* SEAL WAX — drip animation */
@keyframes wax-drip {
  0%   { clip-path: circle(0% at 50% 50%); }
  100% { clip-path: circle(60% at 50% 50%); }
}

/* PARCHMENT UNFURL */
@keyframes unfurl {
  from { clip-path: inset(50% 0 50% 0); opacity: 0; }
  to   { clip-path: inset(0% 0 0% 0); opacity: 1; }
}

/* COUNT TIMER */
@keyframes count-pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.02); }
}

/* STEP CONNECTOR LINE DRAW */
@keyframes line-draw {
  from { transform: scaleY(0); transform-origin: top; }
  to   { transform: scaleY(1); transform-origin: top; }
}

/* BADGE STAMP */
@keyframes stamp-in {
  0%   { transform: scale(2) rotate(-15deg); opacity: 0; }
  60%  { transform: scale(0.95) rotate(2deg); opacity: 1; }
  80%  { transform: scale(1.03) rotate(-0.5deg); }
  100% { transform: scale(1) rotate(0); }
}

/* SCROLL INDICATOR */
@keyframes scroll-hint {
  0%   { transform: translateY(0); opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0.3; }
  100% { transform: translateY(0); opacity: 1; }
}

/* NOTIFICATION / TOAST */
@keyframes toast-slide {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* HERO BG ATMOSPHERIC SHIFT */
@keyframes bg-drift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* TIMELINE PULSE DOT */
@keyframes timeline-pulse {
  0%, 100% { box-shadow: 0 0 0 0 oklch(0.75 0.14 75 / 0.4); }
  50%       { box-shadow: 0 0 0 8px oklch(0.75 0.14 75 / 0); }
}

/* INPUT FOCUS UNDERLINE */
@keyframes input-underline {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* PRICE CARD REVEAL */
@keyframes card-materialize {
  from { 
    opacity: 0; 
    transform: translateY(40px) rotateX(8deg); 
    filter: blur(4px); 
  }
  to   { 
    opacity: 1; 
    transform: translateY(0) rotateX(0); 
    filter: blur(0); 
  }
}

/* GOLD SHIMMER — decorative text effect */
@keyframes gold-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* LETTER BREAK — character animation */
@keyframes char-rise {
  from { 
    opacity: 0; 
    transform: translateY(0.6em) rotate(3deg); 
    filter: blur(4px);
  }
  to   { 
    opacity: 1; 
    transform: translateY(0) rotate(0); 
    filter: blur(0); 
  }
}

/* DOOR CREAK — interactive reveal */
@keyframes door-open {
  from { transform: perspective(800px) rotateY(-90deg); transform-origin: left; }
  to   { transform: perspective(800px) rotateY(0deg); transform-origin: left; }
}