/* ============================================
   ANDRÉ HUHN — ANIMATIONS
   Keyframes + Scroll + Hover Effects
   ============================================ */

/* ═══════════════════════════════════════════
   KEYFRAME ANIMATIONS
   ═══════════════════════════════════════════ */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

/* ─── Float Animation (for badges, decorations) ─── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* ─── Pulse ─── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.4),
                0 0 60px rgba(0, 212, 255, 0.1);
  }
}

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

.animate-spin {
  animation: spin 1s linear infinite;
  display: inline-block;
}

/* ─── Marquee (for client carousel) ─── */
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

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

/* ─── Counter number roll ─── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Glow pulse for WhatsApp button ─── */
@keyframes whatsappPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ─── Grid background animation ─── */
@keyframes gridMove {
  0%   { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

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

/* ─── Line grow (for dividers) ─── */
@keyframes lineGrow {
  from { width: 0; }
  to   { width: 100%; }
}

/* ─── Typing cursor ─── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL CLASSES
   (triggered by Intersection Observer in JS)
   ═══════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ─── Stagger children ─── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.revealed > *:nth-child(1)  { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2)  { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(3)  { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(4)  { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(5)  { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(6)  { transition-delay: 0.3s; }
.stagger-children.revealed > *:nth-child(7)  { transition-delay: 0.35s; }
.stagger-children.revealed > *:nth-child(8)  { transition-delay: 0.4s; }
.stagger-children.revealed > *:nth-child(9)  { transition-delay: 0.45s; }
.stagger-children.revealed > *:nth-child(10) { transition-delay: 0.5s; }
.stagger-children.revealed > *:nth-child(n+11) { transition-delay: 0.55s; }

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   HOVER EFFECTS
   ═══════════════════════════════════════════ */

/* Lift */
.hover-lift {
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Glow */
.hover-glow {
  transition: box-shadow var(--transition-smooth);
}

.hover-glow:hover {
  box-shadow: var(--shadow-glow-cyan);
}

/* Scale */
.hover-scale {
  transition: transform var(--transition-smooth);
}

.hover-scale:hover {
  transform: scale(1.03);
}

/* Brightness */
.hover-bright {
  transition: filter var(--transition-base);
}

.hover-bright:hover {
  filter: brightness(1.15);
}

/* Border Glow */
.hover-border-glow {
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.hover-border-glow:hover {
  border-color: var(--border-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

/* ═══════════════════════════════════════════
   SPECIAL EFFECTS
   ═══════════════════════════════════════════ */

/* Gradient Background Animation */
.animated-gradient {
  background-size: 200% 200%;
  animation: gradientShift 6s ease infinite;
}

/* Grid Pattern Background */
.bg-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* Dot Pattern Background */
.bg-dots {
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Radial Glow */
.bg-radial-glow {
  position: relative;
}

.bg-radial-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Noise Texture Overlay */
.noise-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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