/* animations.css - Hiệu ứng chuyển động mượt mà chuẩn Enterprise Tech */

/* 1. Keyframes chuyển động lơ lửng (Floating) */
@keyframes floatSlow {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(1deg);
  }
}

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

/* 2. Hiệu ứng ánh sáng lan tỏa (Glow Pulse) */
@keyframes glowPulse {
  0%, 100% {
    opacity: 0.35;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.08);
  }
}

/* 3. Hiệu ứng Marquee chạy vô tận mượt mà */
@keyframes marqueeScroll {
  0% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* 4. Hiệu ứng quét sáng bóng bẩy trên nút bấm (Button Sheen) */
@keyframes buttonSheen {
  0% {
    left: -100%;
  }
  100% {
    left: 200%;
  }
}

/* 5. Chuyển động xuất hiện (Fade & Slide In Up) */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Utility Animation Classes */
.animate-float {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-float-reverse {
  animation: floatReverse 5s ease-in-out infinite;
}

.animate-glow {
  animation: glowPulse 4s ease-in-out infinite;
}

/* Scroll Reveal Classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Marquee Container */
.marquee-wrapper {
  overflow: hidden;
  user-select: none;
  display: flex;
  position: relative;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, #ffffff, transparent);
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, #ffffff, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 3rem;
  animation: marqueeScroll 25s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

/* Interactive Card Glow Effect */
.tech-card {
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #2563eb, #06b6d4, transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tech-card:hover::before {
  opacity: 1;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.08), 0 0 20px -3px rgba(37, 99, 235, 0.12);
}