/* ============================================================
   AUREUM CONSTRUCTIONS – ANIMATIONS CSS
   Keyframes, scroll-trigger classes, entrance animations
   ============================================================ */

/* ── Keyframes ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(60px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes floating {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes floatingReverse {
  0%, 100% { transform: translateY(-12px); }
  50%       { transform: translateY(0px); }
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-18px) rotate(2deg); }
  66%       { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}

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

@keyframes loading-progress {
  0%   { width: 0%; }
  30%  { width: 35%; }
  60%  { width: 65%; }
  80%  { width: 85%; }
  100% { width: 100%; }
}

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

@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to   { stroke-dashoffset: 0; }
}

@keyframes revealMask {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes goldGlow {
  0%, 100% { box-shadow: 0 0 20px var(--c-gold-glow); }
  50%       { box-shadow: 0 0 50px var(--c-gold-glow), 0 0 80px rgba(201,168,76,0.2); }
}

@keyframes textReveal {
  from { clip-path: inset(0 100% 0 0); opacity: 0; }
  to   { clip-path: inset(0 0% 0 0); opacity: 1; }
}

@keyframes navReveal {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

@keyframes timelineDot {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 var(--c-gold-glow); }
  50%       { transform: scale(1.2); box-shadow: 0 0 0 8px transparent; }
}

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

@keyframes morphShape {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50%       { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

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

/* ── Hero Decorative Shapes ── */
.hero-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-shape-1 {
  width: 500px; height: 500px;
  background: rgba(201,168,76,0.15);
  top: -100px; right: -100px;
  animation: heroFloat 8s ease-in-out infinite;
}
.hero-shape-2 {
  width: 300px; height: 300px;
  background: rgba(13,27,42,0.3);
  bottom: 10%; left: 5%;
  animation: heroFloat 10s ease-in-out infinite reverse;
}
.hero-shape-3 {
  width: 200px; height: 200px;
  background: rgba(201,168,76,0.1);
  top: 40%; left: 30%;
  animation: floating 6s ease-in-out infinite;
}

/* ── Scroll-Trigger Base States ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1),
              transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1),
              transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1),
              transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1),
              transform 0.8s cubic-bezier(0.34,1.56,0.64,1);
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.35s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.45s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.55s; }
.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Timeline ── */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--c-gold), var(--c-gold), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: center;
  gap: 0;
  margin-bottom: var(--sp-12);
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.timeline-item.revealed { opacity: 1; }
.timeline-item:nth-child(even) .timeline-content-left  { order: 3; text-align: left; }
.timeline-item:nth-child(even) .timeline-dot           { order: 2; }
.timeline-item:nth-child(even) .timeline-content-right { order: 1; text-align: right; }

.timeline-dot {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
.timeline-dot-inner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-gold);
  border: 3px solid var(--c-white);
  box-shadow: var(--shadow-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--c-navy);
  animation: timelineDot 2s ease-in-out infinite;
}

.timeline-content-left,
.timeline-content-right {
  padding: var(--sp-6);
}

/* ── Floating decorative elements ── */
.deco-circle {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--c-gold-bg);
  border: 1px solid var(--c-border);
  position: absolute;
  animation: floating 5s ease-in-out infinite;
}
.deco-dot-grid {
  position: absolute;
  width: 200px; height: 200px;
  background-image: radial-gradient(circle, var(--c-gold) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  opacity: 0.25;
}

/* ── Number Counter animation ── */
.counter-number {
  display: inline-block;
  animation: countUp 0.6s ease forwards;
}

/* ── Page transition ── */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--c-navy);
  z-index: 9998;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.76,0,0.24,1);
}
.page-transition.entering { transform: translateY(0); }
.page-transition.leaving  { transform: translateY(-100%); }

/* ── Gold shimmer text ── */
.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--c-gold-dark) 0%,
    var(--c-gold-light) 30%,
    var(--c-gold) 60%,
    var(--c-gold-dark) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* ── Section reveal overlay ── */
.section-bg-gold {
  background: linear-gradient(135deg, var(--c-navy) 0%, #162436 100%);
  position: relative;
  overflow: hidden;
}
.section-bg-gold::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ── Before/After Slider ── */
.before-after-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-xl);
  user-select: none;
  cursor: ew-resize;
}
.before-img, .after-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.after-img { clip-path: inset(0 50% 0 0); }
.slider-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--c-white);
  transform: translateX(-50%);
  cursor: ew-resize;
  z-index: 10;
}
.slider-handle-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  color: var(--c-gold);
}
.slider-labels {
  position: absolute;
  bottom: var(--sp-4);
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--sp-4);
  z-index: 10;
}
.slider-label {
  background: rgba(13,27,42,0.75);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

/* ── Testimonials ── */
.testimonials-track {
  display: flex;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
}
.testimonial-slide { flex: 0 0 100%; padding: 0 var(--sp-4); }

/* ── Gallery Masonry ── */
.masonry-grid {
  column-count: 3;
  column-gap: var(--sp-4);
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--sp-4);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.masonry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.masonry-item img {
  width: 100%;
  display: block;
  transition: transform var(--t-slow);
}
.masonry-item:hover img { transform: scale(1.05); }

@media (max-width: 960px)  { .masonry-grid { column-count: 2; } }
@media (max-width: 640px)  { .masonry-grid { column-count: 1; } }

/* ── Hero text animations ── */
.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(60px);
  animation: slideInUp 0.8s cubic-bezier(0.4,0,0.2,1) forwards;
}

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

/* Beautiful Loader Styles */
#loading-screen {
    background: #0c1d2e;
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
  }

  /* Corner decorators */
  #loading-screen::before,
  #loading-screen::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border-color: rgba(211,173,79,0.35);
    border-style: solid;
  }
  #loading-screen::before {
    top: 40px; left: 50px;
    border-width: 1px 0 0 1px;
  }
  #loading-screen::after {
    bottom: 40px; right: 50px;
    border-width: 0 1px 1px 0;
  }

  @keyframes loaderFadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes loaderLineGrow {
    from { width: 0%; }
    to   { width: 100%; }
  }
  @keyframes loaderSubFade {
    0%, 50% { opacity: 0; }