/* ==========================================================================
   THEHAMMER - WORLD-CLASS PREMIUM MOTION SYSTEM (60 FPS GPU-ACCELERATED)
   Inspired by Apple, Stripe, Framer, Vercel & Linear
   ========================================================================== */

/* Page Load Cinematic Entry */
body {
  animation: fadeInEntry 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInEntry {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* Header & Nav Elements */
.site-header {
  transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              backdrop-filter 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  will-change: background-color, border-color, box-shadow;
}

.site-header.header-scrolled {
  background: var(--header-bg-scrolled, rgba(255, 255, 255, 0.85)) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

[data-theme="dark"] .site-header.header-scrolled {
  background: rgba(15, 23, 42, 0.85) !important;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5) !important;
}

.main-nav .nav-link {
  position: relative;
  transition: color 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-red), #ef4444);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
  box-shadow: 0 2px 8px var(--primary-red-glow);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Subtle Logo Hover Scale & Sheen */
.site-logo-image,
.hero-logo-image,
.about-logo-image {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), filter 0.35s ease !important;
  will-change: transform;
}

.site-logo-image:hover,
.hero-logo-image:hover,
.about-logo-image:hover {
  transform: scale(1.03) translateZ(0) !important;
  filter: drop-shadow(0 4px 12px var(--primary-red-glow)) !important;
}

/* Hero Section Motion & Parallax Scale */
.hero-slider {
  overflow: hidden;
  position: relative;
}

.hero-slider::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: inherit;
  background-size: inherit;
  background-position: inherit;
  background-repeat: inherit;
  z-index: 1;
  transform: scale(0.9) translateZ(0);
  animation: heroBgZoom 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
  will-change: transform;
}

@keyframes heroBgZoom {
  0% {
    transform: scale(0.9) translateZ(0);
    opacity: 0.8;
  }
  100% {
    transform: scale(1) translateZ(0);
    opacity: 1;
  }
}

.hero-title {
  opacity: 0;
  animation: heroTitleSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
  will-change: transform, opacity;
}

@keyframes heroTitleSlideUp {
  0% {
    opacity: 0;
    transform: translate3d(0, 40px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero-slider .hero-logo-container,
.hero-slider .hero-subtitle-tag {
  opacity: 0;
  animation: heroSubtitleFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
  will-change: opacity;
}

@keyframes heroSubtitleFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.hero-slider .hero-desc {
  opacity: 0;
  animation: heroDescFade 1.0s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
  will-change: transform, opacity;
}

@keyframes heroDescFade {
  0% {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero-slider .hero-actions .btn-primary,
.hero-btn-left {
  opacity: 0;
  animation: heroBtnLeft 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
  will-change: transform, opacity;
}

@keyframes heroBtnLeft {
  0% {
    opacity: 0;
    transform: translate3d(-50px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero-slider .hero-actions .btn-outline,
.hero-btn-right {
  opacity: 0;
  animation: heroBtnRight 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
  will-change: transform, opacity;
}

@keyframes heroBtnRight {
  0% {
    opacity: 0;
    transform: translate3d(50px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero-slider .hero-stats-grid .stagger-item {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  animation: heroStatsFadeUp 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroStatsFadeUp {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero-slider .hero-stats-grid .stagger-item:nth-child(1) { animation-delay: 0.6s; }
.hero-slider .hero-stats-grid .stagger-item:nth-child(2) { animation-delay: 0.75s; }
.hero-slider .hero-stats-grid .stagger-item:nth-child(3) { animation-delay: 0.9s; }

/* ==========================================================================
   SCROLL REVEAL FRAMEWORK (700MS DURATION, SINGLE TRIGGER)
   ========================================================================== */
.reveal {
  opacity: 0;
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1),
              filter 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity, filter;
}

.reveal-up {
  transform: translate3d(0, 50px, 0);
}

.reveal-down {
  transform: translate3d(0, -50px, 0);
}

.reveal-left {
  transform: translate3d(-50px, 0, 0);
}

.reveal-right {
  transform: translate3d(50px, 0, 0);
}

.reveal-scale {
  transform: scale3d(0.95, 0.95, 1) translate3d(0, 50px, 0);
}

.reveal-blur {
  filter: blur(12px);
  transform: translate3d(0, 30px, 0);
}

.reveal-rotate {
  transform: rotate3d(0, 0, 1, 2deg) translate3d(0, 35px, 0);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale3d(1, 1, 1) rotate3d(0, 0, 1, 0deg);
  filter: blur(0);
}

/* Stagger List & Card Systems (100ms between cards) */
.stagger-item,
.product-card {
  opacity: 0;
  transform: translate3d(0, 50px, 0) scale3d(0.96, 0.96, 1);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.is-visible .stagger-item,
.reveal.is-visible.stagger-item,
.product-card.is-visible,
.is-visible .product-card {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale3d(1, 1, 1);
}

.is-visible .stagger-item:nth-child(1), .is-visible .product-card:nth-child(1) { transition-delay: 0.1s; }
.is-visible .stagger-item:nth-child(2), .is-visible .product-card:nth-child(2) { transition-delay: 0.2s; }
.is-visible .stagger-item:nth-child(3), .is-visible .product-card:nth-child(3) { transition-delay: 0.3s; }
.is-visible .stagger-item:nth-child(4), .is-visible .product-card:nth-child(4) { transition-delay: 0.4s; }
.is-visible .stagger-item:nth-child(5), .is-visible .product-card:nth-child(5) { transition-delay: 0.5s; }
.is-visible .stagger-item:nth-child(6), .is-visible .product-card:nth-child(6) { transition-delay: 0.6s; }
.is-visible .stagger-item:nth-child(7), .is-visible .product-card:nth-child(7) { transition-delay: 0.7s; }
.is-visible .stagger-item:nth-child(8), .is-visible .product-card:nth-child(8) { transition-delay: 0.8s; }

/* ==========================================================================
   LUXURY CARD HOVER EFFECTS (3D PERSPECTIVE, GLOW, LIGHT SWEEP)
   ========================================================================== */
.category-card,
.product-card,
.about-stat-card,
.certificate-card,
.download-card,
.coming-soon-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
  will-change: transform, box-shadow;
  transform-style: preserve-3d;
}

/* Light Sheen Sweep Overlay on Hover */
.category-card::before,
.product-card::before,
.certificate-card::before,
.download-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.18),
    transparent
  );
  transform: skewX(-25deg);
  transition: none;
  pointer-events: none;
  z-index: 5;
}

.category-card:hover::before,
.product-card:hover::before,
.certificate-card:hover::before,
.download-card:hover::before {
  animation: lightSweep 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes lightSweep {
  0% {
    left: -100%;
  }
  100% {
    left: 200%;
  }
}

/* Apple-style Product Card Hover Elevation */
.product-card:hover {
  transform: translate3d(0, -6px, 0) scale3d(1.015, 1.015, 1) !important;
  box-shadow: 0 20px 40px -15px rgba(200, 16, 46, 0.25), 0 0 20px var(--primary-red-glow) !important;
  border-color: var(--primary-red) !important;
}

.product-img-wrapper {
  overflow: hidden !important;
  position: relative;
}

.product-img-wrapper .product-img,
.category-card-img {
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.65s cubic-bezier(0.16, 1, 0.3, 1) !important;
  will-change: transform, filter;
}

.product-card:hover .product-img-wrapper .product-img,
.category-card:hover .category-card-img {
  transform: scale3d(1.06, 1.06, 1) !important;
  filter: brightness(1.04) saturate(1.08) !important;
}

/* Category Card Luxury Elevation */
.category-card:hover {
  transform: translate3d(0, -6px, 0) scale3d(1.015, 1.015, 1) !important;
  box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.16), 0 0 24px var(--primary-red-glow) !important;
  border-color: var(--primary-red) !important;
}

/* ==========================================================================
   BUTTON INTERACTIONS (MAGNETIC, SHINE, RIPPLE)
   ========================================================================== */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease,
              color 0.3s ease !important;
  will-change: transform, box-shadow;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transform: skewX(-20deg);
  transition: none;
  pointer-events: none;
}

.btn:hover::before {
  animation: btnShine 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes btnShine {
  0% {
    left: -100%;
  }
  100% {
    left: 200%;
  }
}

.btn:hover {
  transform: translate3d(0, -3px, 0) scale3d(1.02, 1.02, 1) !important;
}

.btn-primary:hover {
  box-shadow: 0 8px 25px -5px rgba(200, 16, 46, 0.45), 0 0 16px var(--primary-red-glow) !important;
}

.btn:active,
.btn:focus-visible {
  transform: translate3d(0, 0, 0) scale3d(0.98, 0.98, 1) !important;
}

/* Button Icon Micro-Animation */
.btn i,
.btn svg,
.btn-icon {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.btn:hover i,
.btn:hover svg,
.btn:hover .btn-icon {
  transform: translate3d(4px, 0, 0);
}

/* Click Ripple Animation */
.ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: ripple 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
}

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

/* ==========================================================================
   PROGRESSIVE IMAGE LOADING & BLUR-UP SYSTEM
   ========================================================================== */
img.progressive-loading {
  filter: blur(10px) scale(1.03);
  opacity: 0.6;
  transition: filter 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

img.progressive-loaded {
  filter: blur(0) scale(1) !important;
  opacity: 1 !important;
}

/* Skeleton Placeholder Effect */
.skeleton-placeholder {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--border-color) 37%,
    var(--bg-secondary) 63%
  );
  background-size: 400% 100%;
  animation: skeletonShimmer 1.4s ease infinite;
}

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

/* Form focus glows */
.form-input,
.form-select,
.form-textarea {
  transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  box-shadow: 0 0 0 3px var(--primary-red-glow) !important;
}

/* Modal Backdrop & Container Spring Entrance */
.modal-backdrop {
  opacity: 0;
  visibility: hidden;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.35s ease !important;
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  transform: scale3d(0.95, 0.95, 1) translate3d(0, 16px, 0);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
  will-change: transform;
}

.modal-backdrop.show .modal-container {
  transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
}

/* Floating WhatsApp Button Interactivity */
.whatsapp-float {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease !important;
  animation: whatsAppPulse 6s infinite ease-in-out;
  will-change: transform;
}

.whatsapp-float:hover {
  transform: scale3d(1.1, 1.1, 1) translate3d(0, -3px, 0) !important;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5) !important;
  animation-play-state: paused !important;
}

@keyframes whatsAppPulse {
  0%, 100% {
    transform: scale(1) translateZ(0);
  }
  50% {
    transform: scale(1.06) translateZ(0);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.45);
  }
}

/* Responsive reveals for mobile */
@media (max-width: 768px) {
  .reveal-left,
  .reveal-right {
    transform: translate3d(0, 24px, 0) !important;
  }
}

/* ==========================================================================
   ACCESSIBILITY & REDUCED MOTION PREFERENCES
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
    transform: none !important;
  }

  .hero-slider::before {
    animation: none !important;
    transform: none !important;
  }

  .whatsapp-float {
    animation: none !important;
    transform: none !important;
  }
}