/* ============================================================
   ICE CREAM MELTZ — ANIMATIONS STYLESHEET
   animations.css | Keyframes & Animation Classes
   ============================================================ */

/* -------- KEYFRAME DEFINITIONS -------- */

@keyframes dripDown {
  0%   { height: 0; opacity: 0; }
  20%  { height: 8px; opacity: 1; }
  60%  { height: 28px; opacity: 1; }
  80%  { height: 40px; opacity: 0.8; }
  100% { height: 0; opacity: 0; }
}

@keyframes dripAnim {
  0%   { height: 0; opacity: 0; }
  15%  { opacity: 1; }
  50%  { height: 45px; opacity: 1; }
  75%  { height: 70px; opacity: 0.7; }
  100% { height: 0; opacity: 0; }
}

@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.6); opacity: 0.6; box-shadow: 0 0 12px currentColor; }
}

@keyframes marqueeScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes blobFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -30px) scale(1.05); }
  66%       { transform: translate(-20px, 25px) scale(0.97); }
}

@keyframes blobFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-35px, 25px) scale(1.04); }
  66%       { transform: translate(30px, -20px) scale(0.98); }
}

@keyframes floatRandom {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%       { transform: translateY(-18px) rotate(8deg); }
  50%       { transform: translateY(-8px) rotate(-5deg); }
  75%       { transform: translateY(-22px) rotate(4deg); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 0.8; transform: translate(-50%, -50%) scale(1.15); }
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,79,154,0.7); }
  50%       { box-shadow: 0 0 0 8px rgba(255,79,154,0); }
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(10px); opacity: 0.4; }
}

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  40%       { transform: translateY(-20px); }
  60%       { transform: translateY(-10px); }
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%       { transform: rotate(-6deg); }
  75%       { transform: rotate(6deg); }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%       { transform: scale(1.12); }
  28%       { transform: scale(1); }
  42%       { transform: scale(1.08); }
  70%       { transform: scale(1); }
}

@keyframes particleFloat {
  0%   { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

@keyframes counterUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scoopReveal {
  from { transform: scale(0) rotate(-30deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes drizzleDrop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 1; }
}

@keyframes textReveal {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50%       { transform: translateY(-12px) rotate(3deg); }
}

@keyframes glow-ring {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 79, 154, 0.4); }
  50%       { box-shadow: 0 0 0 12px rgba(255, 79, 154, 0); }
}

/* -------- ANIMATION UTILITY CLASSES -------- */

.animate-fade-up {
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.animate-fade-in {
  opacity: 0;
  animation: fadeIn 0.7s ease forwards;
}

.animate-scale-in {
  opacity: 0;
  animation: scaleIn 0.65s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-slide-left {
  opacity: 0;
  animation: slideInLeft 0.75s ease forwards;
}

.animate-slide-right {
  opacity: 0;
  animation: slideInRight 0.75s ease forwards;
}

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

.animate-float-delay {
  animation: float-gentle 4s 1.5s ease-in-out infinite;
}

.animate-bounce { animation: bounce 2s ease-in-out infinite; }
.animate-wiggle { animation: wiggle 2s ease-in-out infinite; }
.animate-heartbeat { animation: heartbeat 2.5s ease-in-out infinite; }
.animate-spin { animation: spin 8s linear infinite; }
.animate-glow-ring { animation: glow-ring 2s ease-in-out infinite; }

/* -------- DELAY CLASSES -------- */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.35s; }
.delay-4 { animation-delay: 0.5s; }
.delay-5 { animation-delay: 0.7s; }
.delay-6 { animation-delay: 0.9s; }
.delay-7 { animation-delay: 1.1s; }
.delay-8 { animation-delay: 1.3s; }

/* -------- SCROLL REVEAL (IntersectionObserver-powered) -------- */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* Stagger delays for grid children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }

/* -------- HOVER MICRO INTERACTIONS -------- */
.hover-lift {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.hover-glow {
  transition: box-shadow 0.35s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(255, 79, 154, 0.4);
}

.hover-scale {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hover-scale:hover { transform: scale(1.06); }

/* -------- SHIMMER EFFECT (for loading / premium cards) -------- */
.shimmer {
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

.shimmer-text {
  background: linear-gradient(90deg, var(--pink) 0%, var(--aqua) 50%, var(--pink) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* -------- GRADIENT BORDER ANIMATION -------- */
.gradient-border {
  position: relative;
  border-radius: var(--radius-card);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gradient-border:hover::before { opacity: 1; }

/* -------- CURSOR TRAIL PARTICLE -------- */
.cursor-particle {
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  font-size: 1.2rem;
  opacity: 1;
  animation: cursorFade 0.8s ease forwards;
  transform: translate(-50%, -50%);
}

@keyframes cursorFade {
  0%   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -100%) scale(0.5); }
}

/* -------- CANVAS PARTICLE SYSTEM -------- */
#particleCanvas {
  pointer-events: none;
  z-index: 0;
}

/* -------- PRELOADER ANIMATION SPECIFICS -------- */
.preloader-progress {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  overflow: hidden;
}

.preloader-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
  animation: progressLoad 2.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes progressLoad {
  from { width: 0; }
  to   { width: 100%; }
}

/* -------- INTERACTIVE BUTTON RIPPLE -------- */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* -------- TYPEWRITER CURSOR -------- */
.typewriter-cursor::after {
  content: '|';
  animation: blinkCursor 1s step-end infinite;
  color: var(--pink);
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* -------- STICKY CTA PULSE -------- */
.cta-pulse {
  animation: ctaPulse 2.5s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 8px 25px rgba(255,79,154,0.4); }
  50%       { box-shadow: 0 8px 40px rgba(255,79,154,0.7), 0 0 0 8px rgba(255,79,154,0.1); }
}

/* -------- MENU ITEM HOVER LINE -------- */
.nav-hover-line {
  position: relative;
}

.nav-hover-line::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-hover-line:hover::after { width: 100%; }

/* -------- SPLASH ANIMATION (page entry) -------- */
.page-splash {
  animation: fadeIn 0.6s ease;
}

/* -------- NUMBER COUNTER ANIMATION -------- */
.counter-wrap {
  overflow: hidden;
}

.counter-value {
  display: inline-block;
  animation: counterUp 0.5s ease forwards;
}

/* -------- SECTION ENTRANCE OVERLAY -------- */
.section-enter {
  position: relative;
}

.section-enter::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--cream);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}

.section-enter.entered::after {
  transform: scaleX(0);
  transform-origin: right;
}

/* -------- FLAVOUR CARD TILT (CSS hover 3D) -------- */
.card-tilt {
  transform-style: preserve-3d;
  transition: transform 0.2s ease;
}

/* -------- SWIPER CUSTOM ENTRANCE -------- */
.swiper-slide-entrance .flavour-card {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.6s ease forwards;
}

/* -------- BLOB BACKGROUND ANIMATIONS -------- */
.blob-animated {
  animation: blobMorph 8s ease-in-out infinite;
}

@keyframes blobMorph {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50%       { border-radius: 50% 50% 20% 80% / 25% 80% 20% 75%; }
  75%       { border-radius: 67% 33% 47% 53% / 37% 20% 80% 63%; }
}

/* -------- HERO TITLE STAGGER -------- */
.hero-title .title-line-1 { animation-delay: 0.2s; }
.hero-title .title-line-2 { animation-delay: 0.35s; }
.hero-title .title-highlight { animation-delay: 0.5s; }

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