/* ========================================
   Animations — Scroll reveals & effects
   ======================================== */

/* --- Scroll Reveal Base --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal--left {
  transform: translateX(-40px);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal--scale {
  transform: scale(0.95);
}

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

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.40s; }

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Hero Animations --- */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroLine {
  from { width: 0; }
  to { width: 60px; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59, 94, 232, 0.2); }
  50% { box-shadow: 0 0 40px rgba(59, 94, 232, 0.4); }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Split text character animation */
.hero__title-line {
  display: block;
  opacity: 0;
}

.hero__title-line .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px) rotateX(-40deg);
  animation: charReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes charReveal {
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

.hero__title-line.is-split {
  opacity: 1;
}


.hero__subtitle {
  animation: heroFadeUp 0.8s 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  opacity: 0;
}

.hero__actions {
  animation: heroFadeUp 0.8s 0.45s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  opacity: 0;
}

.hero__line {
  animation: heroLine 0.6s 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* --- Floating Decorations --- */
@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(8px, -12px) rotate(3deg); }
  50% { transform: translate(-4px, -20px) rotate(-2deg); }
  75% { transform: translate(12px, -8px) rotate(4deg); }
}

@keyframes floatMedium {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(-10px, -15px) rotate(-5deg); }
  66% { transform: translate(6px, -25px) rotate(3deg); }
}

@keyframes floatFast {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5px, -18px); }
}

.float-deco {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.float-deco--circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.06;
  animation: floatSlow 14s ease-in-out infinite;
}

.float-deco--ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  opacity: 0.08;
  animation: floatMedium 10s ease-in-out infinite;
}

.float-deco--square {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-primary);
  opacity: 0.05;
  animation: floatFast 8s ease-in-out infinite;
  transform-origin: center;
}

.float-deco--dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.1;
  animation: floatMedium 12s ease-in-out infinite;
}

.float-deco--img {
  opacity: 0.35;
  animation: floatSlow 14s ease-in-out infinite;
  filter: blur(1px);
}

/* --- Service Detail Large Numbers --- */
.service-detail {
  position: relative;
}

.service-detail__number {
  position: absolute;
  top: 20px;
  left: -20px;
  font-family: var(--font-en);
  font-size: clamp(100px, 12vw, 180px);
  font-weight: 900;
  color: var(--color-primary);
  opacity: 0.04;
  line-height: 1;
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale,
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }

  .float-deco,
  .deco,
  .cursor-glow,
  .hero__canvas {
    display: none !important;
  }
}