/* ============================================
   PREMIUM ANIMATIONS — Reverto Electronics
   ============================================ */

:root {
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 0.35s;
  --duration-med: 0.65s;
  --duration-slow: 1s;
  --glow-blue: 0 12px 40px rgba(78, 165, 255, 0.35);
}

/* ---------- Page loader ---------- */

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #020617, #07142e, #0b1e45);
  transition: opacity 0.6s var(--ease-premium), visibility 0.6s;
}

.page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  width: 80px;
  height: auto;
  margin-bottom: 28px;
  animation: loaderPulse 1.4s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 auto;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0066ff, #4ea5ff);
  border-radius: 10px;
  animation: loaderBar 1.2s var(--ease-premium) forwards;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.7; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes loaderBar {
  to { width: 100%; }
}

/* ---------- Page enter / exit ---------- */

body.is-loading .page-content {
  opacity: 0;
  pointer-events: none;
}

body.is-loaded .page-content {
  animation: pageFadeIn 0.8s var(--ease-premium) forwards;
}

body.page-exit .page-content {
  animation: pageFadeOut 0.4s var(--ease-smooth) forwards;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pageFadeOut {
  to {
    opacity: 0;
    transform: translateY(-8px);
  }
}

/* ---------- Navbar premium ---------- */

.navbar {
  transition:
    padding var(--duration-med) var(--ease-premium),
    background var(--duration-med) var(--ease-premium),
    box-shadow var(--duration-med) var(--ease-premium),
    border-color var(--duration-med) var(--ease-premium);
}

.navbar.navbar-scrolled {
  padding: 10px 6%;
  background: rgba(4, 12, 28, 0.97);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  border-bottom-color: rgba(78, 165, 255, 0.15);
}

.logo-container {
  transition: transform var(--duration-fast) var(--ease-premium);
}

.logo-container:hover {
  transform: scale(1.02);
}

.nav-links a {
  position: relative;
  transition: color var(--duration-fast) var(--ease-premium);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0066ff, #4ea5ff);
  border-radius: 2px;
  transition: width var(--duration-med) var(--ease-premium);
}

.nav-links a:hover::after {
  width: 100%;
}

.dropdown-menu a::after {
  display: none;
}

/* ---------- Hero sequence (homepage) ---------- */

.hero--animated {
  min-height: auto;
  padding-top: 120px;
  padding-bottom: 40px;
}

.hero--animated .slider-section.hero-slider {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8% 40px !important;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-premium),
    transform 1s var(--ease-premium);
}

.hero--animated .hero-slider.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero--animated .slider {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  height: clamp(240px, 42vw, 520px);
  min-height: 240px;
  overflow: hidden;
}

.hero--animated .slide {
  position: absolute;
  inset: 0;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  display: block;
  margin: 0;
  padding: 0;
  object-fit: cover;
  object-position: center center;
  transform: none !important;
  transition: opacity 1.2s ease;
}

.hero--animated .slide.active-slide {
  transform: none !important;
  opacity: 1;
}

.hero--animated .hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 8%;
}

.hero-reveal-item {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.75s var(--ease-premium),
    transform 0.75s var(--ease-premium);
  transition-delay: calc(var(--hero-delay, 0) * 0.15s + 0.5s);
}

.hero-reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero--animated .hero-buttons.is-visible {
  display: flex;
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.85s var(--ease-premium),
    transform 0.85s var(--ease-premium);
  transition-delay: var(--reveal-delay, 0s);
}

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

.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s var(--ease-premium);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal-fade.is-revealed {
  opacity: 1;
}

.reveal-card {
  opacity: 0;
  transform: translateY(50px);
  transition:
    opacity 0.8s var(--ease-premium),
    transform 0.8s var(--ease-premium);
  transition-delay: var(--reveal-delay, 0s);
}

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

.reveal-img {
  opacity: 0;
  transform: scale(0.94);
  transition:
    opacity 1s var(--ease-premium),
    transform 1.1s var(--ease-premium);
  transition-delay: var(--reveal-delay, 0s);
}

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

.reveal-img img {
  transition: transform 0.6s var(--ease-premium);
}

.reveal-img.is-revealed:hover img {
  transform: scale(1.03);
}

/* ---------- Premium hovers ---------- */

.primary-btn,
.secondary-btn,
.nav-btn,
.contact-form-box button {
  position: relative;
  overflow: hidden;
  transition:
    transform var(--duration-fast) var(--ease-premium),
    box-shadow var(--duration-fast) var(--ease-premium),
    border-color var(--duration-fast) var(--ease-premium),
    background var(--duration-fast) var(--ease-premium);
}

.primary-btn::before,
.nav-btn::before,
.contact-form-box button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease-premium);
}

.primary-btn:hover::before,
.nav-btn:hover::before,
.contact-form-box button:hover::before {
  transform: translateX(120%);
}

.primary-btn:hover,
.nav-btn:hover,
.contact-form-box button:hover {
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}

.secondary-btn:hover {
  transform: translateY(-4px);
  border-color: rgba(78, 165, 255, 0.5);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.2);
}

.choose-card,
.about-card,
.team-card,
.info-card,
.img-card {
  transition:
    transform var(--duration-med) var(--ease-premium),
    box-shadow var(--duration-med) var(--ease-premium),
    border-color var(--duration-med) var(--ease-premium);
}

.choose-card:hover,
.about-card:hover,
.team-card:hover,
.info-card:hover,
.img-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
  border-color: rgba(78, 165, 255, 0.25);
}

.footer-social a {
  transition:
    transform var(--duration-fast) var(--ease-premium),
    background var(--duration-fast) var(--ease-premium);
}

/* Service box entrance when switched */
.service-box.active-service {
  animation: serviceReveal 0.7s var(--ease-premium) forwards;
}

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

/* Slider polish */
.slider {
  transition: box-shadow var(--duration-med) var(--ease-premium);
}

.slider:hover {
  box-shadow: 0 28px 60px rgba(0, 102, 255, 0.2);
}

/* Success popup */
.success-popup {
  transition:
    opacity 0.45s var(--ease-premium),
    visibility 0.45s,
    transform 0.5s var(--ease-premium);
}

.success-popup.active i {
  animation: popCheck 0.6s var(--ease-premium);
}

@keyframes popCheck {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

/* Footer reveal */
.site-footer.reveal-fade.is-revealed .footer-social a {
  animation: socialStagger 0.5s var(--ease-premium) backwards;
}

.site-footer.reveal-fade.is-revealed .footer-social a:nth-child(1) { animation-delay: 0.1s; }
.site-footer.reveal-fade.is-revealed .footer-social a:nth-child(2) { animation-delay: 0.2s; }
.site-footer.reveal-fade.is-revealed .footer-social a:nth-child(3) { animation-delay: 0.3s; }
.site-footer.reveal-fade.is-revealed .footer-social a:nth-child(4) { animation-delay: 0.4s; }

@keyframes socialStagger {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(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;
  }

  .reveal,
  .reveal-fade,
  .reveal-card,
  .reveal-img,
  .hero-reveal-item,
  .hero--animated .hero-slider,
  .hero--animated .slider-section.hero-slider {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .hero--animated .slider {
    height: clamp(200px, 55vw, 300px);
  }

  .page-loader {
    display: none;
  }
}