/* ============================================================
   PORTFOLIO ANIMATION ENGINE
   iOS-inspired motion with spring physics
   ============================================================ */

/* ── Page Load Splash ── */
@keyframes splashFadeIn {
  0%   { opacity: 0; transform: scale(0.96) translateY(12px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

/* ── Text clip-path wipe reveal ── */
@keyframes textReveal {
  from { clip-path: inset(0 100% 0 0); opacity: 0; }
  to   { clip-path: inset(0 0% 0 0);   opacity: 1; }
}

/* ── Morphing blob for hero background ── */
@keyframes morphBlob {
  0%   { 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% 60% 30% 40% / 40% 30% 70% 60%; }
  75%  { border-radius: 40% 60% 60% 30% / 60% 40% 30% 50%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

/* ── Gradient mesh shift ── */
@keyframes gradientShift {
  0%   { background-position: 0% 50%;   }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%;   }
}

/* ── Orb drift (hero background floating circles) ── */
@keyframes orbDrift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}
@keyframes orbDrift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  40%       { transform: translate(-40px, 30px) scale(1.08); }
  80%       { transform: translate(20px, -20px) scale(0.92); }
}
@keyframes orbDrift3 {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(20px, 40px); }
}

/* ── Counter number roll ── */
@keyframes countUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* ── Card entrance (spring overshoot) ── */
@keyframes cardEntrance {
  0%   { opacity: 0; transform: translateY(40px) scale(0.92); }
  60%  { opacity: 1; transform: translateY(-6px) scale(1.02); }
  80%  { transform: translateY(3px) scale(0.99); }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

/* ── Card exit ── */
@keyframes cardExit {
  from { opacity: 1; transform: scale(1) translateY(0); }
  to   { opacity: 0; transform: scale(0.88) translateY(-20px); }
}

/* ── Shimmer (skeleton/highlight) ── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center;  }
}

/* ── Ripple click effect ── */
@keyframes ripple {
  from { transform: scale(0); opacity: 0.5; }
  to   { transform: scale(2.5); opacity: 0; }
}

/* ── Underline draw ── */
@keyframes underlineDraw {
  from { transform: translateX(-50%) scaleX(0); }
  to   { transform: translateX(-50%) scaleX(1); }
}

/* ── Pulse ring (availability indicator) ── */
@keyframes pulseRing {
  0%   { transform: scale(1);   opacity: 0.8; }
  70%  { transform: scale(1.8); opacity: 0;   }
  100% { transform: scale(1.8); opacity: 0;   }
}

/* ── Spring slide from bottom ── */
@keyframes springUp {
  0%   { opacity: 0; transform: translateY(60px) scale(0.94); }
  55%  { opacity: 1; transform: translateY(-10px) scale(1.01); }
  75%  { transform: translateY(4px) scale(0.995); }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

/* ── Slide in from left ── */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Slide in from right ── */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Scale in ── */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── Glow pulse ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px var(--main-color-alpha50); }
  50%       { box-shadow: 0 0 40px var(--main-color-alpha50), 0 0 60px var(--main-color-alpha50); }
}

/* ── Floating vertical bob ── */
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(var(--tx, 0)); }
  50%       { transform: translateY(-8px) translateX(var(--tx, 0)); }
}

/* ── Blink dot ── */
@keyframes blink {
  0%, 100% { opacity: 1;   }
  50%       { opacity: 0.3; }
}

/* ── Infinite gradient flow (for badge borders) ── */
@keyframes gradientBorder {
  0%   { background-position: 0% 50%;   }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%;   }
}

/* ── WA pulse ring ── */
@keyframes wa-pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45), 0 0 0 0 rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45), 0 0 0 12px rgba(37, 211, 102, 0);
  }
}

/* ── Scroll bounce indicator ── */
@keyframes scroll-bounce {
  0%, 100% { opacity: 0.3; transform: rotate(45deg) translateY(0); }
  50%       { opacity: 1;   transform: rotate(45deg) translateY(5px); }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

/* Fade up on scroll */
.anim-fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide from left */
.anim-slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-slide-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide from right */
.anim-slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-slide-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.anim-scale-in {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 0.55s cubic-bezier(0.34, 1.56, 0.64, 1),
              transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.anim-scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Clip path wipe reveal */
.anim-clip-reveal {
  clip-path: inset(0 100% 0 0);
  opacity: 0;
  transition: clip-path 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.4s ease;
}
.anim-clip-reveal.is-visible {
  clip-path: inset(0 0% 0 0);
  opacity: 1;
}

/* Stagger children delays */
.anim-stagger > *:nth-child(1)  { transition-delay: 0.05s; }
.anim-stagger > *:nth-child(2)  { transition-delay: 0.12s; }
.anim-stagger > *:nth-child(3)  { transition-delay: 0.19s; }
.anim-stagger > *:nth-child(4)  { transition-delay: 0.26s; }
.anim-stagger > *:nth-child(5)  { transition-delay: 0.33s; }
.anim-stagger > *:nth-child(6)  { transition-delay: 0.40s; }
.anim-stagger > *:nth-child(7)  { transition-delay: 0.47s; }
.anim-stagger > *:nth-child(8)  { transition-delay: 0.54s; }

/* ── Shimmer highlight ── */
.shimmer-on {
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,0.12) 50%,
    transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease-in-out infinite;
}

/* ── Ripple container ── */
.ripple-wrap {
  position: relative;
  overflow: hidden;
}
.ripple-wrap .ripple-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  pointer-events: none;
  animation: ripple 0.55s ease-out forwards;
  transform: scale(0);
}

/* ── Magnetic button base ── */
.magnetic-btn {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

/* ── 3D tilt card ── */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.12s ease, box-shadow 0.25s ease;
  will-change: transform;
}

/* ── Availability live dot ── */
.live-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
}
.live-dot::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #4ade80;
  animation: pulseRing 2s ease-out infinite;
}

/* ── Hero orbs ── */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.18;
  z-index: 0;
}
.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--main-color);
  top: -10%;
  right: -5%;
  animation: orbDrift1 18s ease-in-out infinite;
}
.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: #3b82f6;
  bottom: -5%;
  left: -5%;
  animation: orbDrift2 22s ease-in-out infinite;
}
.hero-orb-3 {
  width: 200px;
  height: 200px;
  background: var(--main-color);
  top: 50%;
  left: 30%;
  animation: orbDrift3 14s ease-in-out infinite;
  opacity: 0.1;
}

/* Dark mode orb opacity boost */
.dark-mode .hero-orb { opacity: 0.22; }

/* ── Hero text entrance ── */
.hero-text-enter {
  opacity: 0;
  transform: translateY(20px);
  animation: springUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-text-enter:nth-child(1) { animation-delay: 0.15s; }
.hero-text-enter:nth-child(2) { animation-delay: 0.28s; }
.hero-text-enter:nth-child(3) { animation-delay: 0.41s; }
.hero-text-enter:nth-child(4) { animation-delay: 0.54s; }
.hero-text-enter:nth-child(5) { animation-delay: 0.67s; }
.hero-text-enter:nth-child(6) { animation-delay: 0.80s; }

/* ── Gradient text utility ── */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glass card ── */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-ios);
}
.dark-mode .glass-card {
  background: rgba(26, 26, 26, 0.7);
  border-color: rgba(255, 255, 255, 0.08);
}

/* ── Reply guarantee badge ── */
.reply-guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-ios);
  padding: 0.6rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: #16a34a;
  margin-bottom: 1.25rem;
  width: 100%;
  box-sizing: border-box;
  line-height: 1.5;
  font-family: var(--font-heading);
}
.reply-guarantee-badge i {
  font-size: 1rem;
  color: #16a34a;
  flex-shrink: 0;
  animation: blink 2s ease-in-out infinite;
}
.reply-guarantee-badge strong {
  font-weight: 700;
  color: #16a34a;
}
.dark-mode .reply-guarantee-badge {
  background: rgba(74, 222, 128, 0.08);
  border-color: rgba(74, 222, 128, 0.2);
  color: #4ade80;
}
.dark-mode .reply-guarantee-badge i,
.dark-mode .reply-guarantee-badge strong {
  color: #4ade80;
}

/* ── Contact sub-guarantee line ── */
.contact-guarantee-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-style: italic;
}
.contact-guarantee-note i {
  color: #16a34a;
  font-size: 0.75rem;
}
.dark-mode .contact-guarantee-note i {
  color: #4ade80;
}

/* ============================================================
   PREFERS REDUCED MOTION — disable everything
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-orb { display: none; }
}