/* ══════════════════════════════════════════════════
   URBANIA IN DELHI — Scroll & Interaction Animations v3.0
   File: assets/css/animations.css
══════════════════════════════════════════════════ */

/* ── BASE: Elements start hidden ── */
[data-anim] {
  opacity: 0;
  will-change: transform, opacity;
}
[data-anim].animated { opacity: 1; }

/* ── FADE UP (default) ── */
[data-anim="fade-up"] { transform: translateY(40px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="fade-up"].animated { transform: translateY(0); }

/* ── FADE DOWN ── */
[data-anim="fade-down"] { transform: translateY(-40px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="fade-down"].animated { transform: translateY(0); }

/* ── FADE LEFT (slide from left) ── */
[data-anim="fade-left"] { transform: translateX(-50px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="fade-left"].animated { transform: translateX(0); }

/* ── FADE RIGHT (slide from right) ── */
[data-anim="fade-right"] { transform: translateX(50px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="fade-right"].animated { transform: translateX(0); }

/* ── ZOOM IN ── */
[data-anim="zoom-in"] { transform: scale(0.82); transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-spring); }
[data-anim="zoom-in"].animated { transform: scale(1); }

/* ── ZOOM IN UP ── */
[data-anim="zoom-up"] { transform: scale(0.85) translateY(30px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-spring); }
[data-anim="zoom-up"].animated { transform: scale(1) translateY(0); }

/* ── ROTATE IN ── */
[data-anim="rotate-in"] { transform: rotate(-8deg) scale(0.9); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-spring); }
[data-anim="rotate-in"].animated { transform: rotate(0deg) scale(1); }

/* ── FLIP IN (3D) ── */
[data-anim="flip-x"] { transform: perspective(800px) rotateX(30deg); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="flip-x"].animated { transform: perspective(800px) rotateX(0deg); }

[data-anim="flip-y"] { transform: perspective(800px) rotateY(30deg); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
[data-anim="flip-y"].animated { transform: perspective(800px) rotateY(0deg); }

/* Blur-rise gives photography and premium feature blocks a softer cinematic entrance. */
[data-anim="blur-rise"] {
  transform: translateY(34px) scale(0.975);
  filter: blur(12px);
  transition: opacity 0.75s var(--ease-out), transform 0.85s var(--ease-spring), filter 0.75s ease;
}
[data-anim="blur-rise"].animated { transform: translateY(0) scale(1); filter: blur(0); }

[data-anim="swing-in"] {
  transform: perspective(900px) rotateY(-10deg) translateX(-28px);
  transform-origin: left center;
  transition: opacity 0.72s var(--ease-out), transform 0.82s var(--ease-spring);
}
[data-anim="swing-in"].animated { transform: perspective(900px) rotateY(0) translateX(0); }

/* ── CLIP REVEAL (wipe left → right) ── */
[data-anim="clip-reveal"] {
  clip-path: inset(0 100% 0 0);
  opacity: 1 !important;
  transition: clip-path 0.8s var(--ease-out);
}
[data-anim="clip-reveal"].animated { clip-path: inset(0 0% 0 0); }

/* ── CLIP REVEAL UP (wipe bottom → top) ── */
[data-anim="clip-up"] {
  clip-path: inset(100% 0 0 0);
  opacity: 1 !important;
  transition: clip-path 0.8s var(--ease-out);
}
[data-anim="clip-up"].animated { clip-path: inset(0% 0 0 0); }

/* ── STAGGER PARENT — children animate in sequence ── */
[data-anim="stagger"] > * { opacity: 0; transform: translateY(28px); transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-spring); }
[data-anim="stagger"].animated > *:nth-child(1)  { opacity: 1; transform: none; transition-delay: 0.05s; }
[data-anim="stagger"].animated > *:nth-child(2)  { opacity: 1; transform: none; transition-delay: 0.12s; }
[data-anim="stagger"].animated > *:nth-child(3)  { opacity: 1; transform: none; transition-delay: 0.19s; }
[data-anim="stagger"].animated > *:nth-child(4)  { opacity: 1; transform: none; transition-delay: 0.26s; }
[data-anim="stagger"].animated > *:nth-child(5)  { opacity: 1; transform: none; transition-delay: 0.33s; }
[data-anim="stagger"].animated > *:nth-child(6)  { opacity: 1; transform: none; transition-delay: 0.40s; }
[data-anim="stagger"].animated > *:nth-child(7)  { opacity: 1; transform: none; transition-delay: 0.47s; }
[data-anim="stagger"].animated > *:nth-child(8)  { opacity: 1; transform: none; transition-delay: 0.54s; }
[data-anim="stagger"].animated > *:nth-child(9)  { opacity: 1; transform: none; transition-delay: 0.61s; }
[data-anim="stagger"].animated > *:nth-child(10) { opacity: 1; transform: none; transition-delay: 0.68s; }

/* ── STAGGER SLOW (for big grids) ── */
[data-anim="stagger-slow"] > * { opacity: 0; transform: translateY(34px) scale(0.97); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-spring); }
[data-anim="stagger-slow"].animated > *:nth-child(1)  { opacity: 1; transform: none; transition-delay: 0.0s; }
[data-anim="stagger-slow"].animated > *:nth-child(2)  { opacity: 1; transform: none; transition-delay: 0.1s; }
[data-anim="stagger-slow"].animated > *:nth-child(3)  { opacity: 1; transform: none; transition-delay: 0.2s; }
[data-anim="stagger-slow"].animated > *:nth-child(4)  { opacity: 1; transform: none; transition-delay: 0.3s; }
[data-anim="stagger-slow"].animated > *:nth-child(5)  { opacity: 1; transform: none; transition-delay: 0.4s; }
[data-anim="stagger-slow"].animated > *:nth-child(6)  { opacity: 1; transform: none; transition-delay: 0.5s; }
[data-anim="stagger-slow"].animated > *:nth-child(7)  { opacity: 1; transform: none; transition-delay: 0.6s; }
[data-anim="stagger-slow"].animated > *:nth-child(8)  { opacity: 1; transform: none; transition-delay: 0.7s; }
[data-anim="stagger-slow"].animated > *:nth-child(9)  { opacity: 1; transform: none; transition-delay: 0.8s; }
[data-anim="stagger-slow"].animated > *:nth-child(10) { opacity: 1; transform: none; transition-delay: 0.9s; }

/* ── DELAY MODIFIERS ── */
[data-delay="100"] { transition-delay: 0.1s !important; }
[data-delay="200"] { transition-delay: 0.2s !important; }
[data-delay="300"] { transition-delay: 0.3s !important; }
[data-delay="400"] { transition-delay: 0.4s !important; }
[data-delay="500"] { transition-delay: 0.5s !important; }
[data-delay="600"] { transition-delay: 0.6s !important; }

/* ── DURATION MODIFIERS ── */
[data-duration="fast"]  { transition-duration: 0.4s !important; }
[data-duration="slow"]  { transition-duration: 1.0s !important; }
[data-duration="slower"]{ transition-duration: 1.4s !important; }

/* ══════════════════════════════════════════════
   HERO ANIMATIONS
══════════════════════════════════════════════ */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroScale {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

.hero-eyebrow { animation: heroFadeUp 0.6s var(--ease-out) 0.3s both; }
.hero-title   { animation: heroFadeUp 0.7s var(--ease-out) 0.45s both; }
.hero-sub     { animation: heroFadeUp 0.6s var(--ease-out) 0.6s both; }
.hero-ctas    { animation: heroFadeUp 0.6s var(--ease-out) 0.75s both; }
.hero-stats   { animation: heroFadeUp 0.6s var(--ease-out) 0.9s both; }
.hero-scroll  { animation: heroFadeUp 0.6s var(--ease-out) 1.1s both; }
.hero-img     { animation: heroScale 0.9s var(--ease-spring) 0.5s both; }

/* ── SCROLL INDICATOR ── */
.scroll-indicator {
  display: inline-flex; flex-direction: column; align-items: center;
  gap: 6px; cursor: pointer;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,0.35);
  border-radius: 12px;
  display: flex; justify-content: center; padding-top: 7px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--gold);
  border-radius: 3px;
  animation: scrollWheel 2s ease infinite;
}
@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity: 1; }
  60%  { transform: translateY(10px); opacity: 0; }
  61%  { transform: translateY(0); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
.scroll-text {
  font-size: 0.65rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(255,255,255,0.4);
}

/* ══════════════════════════════════════════════
   PARTICLES
══════════════════════════════════════════════ */
.particle-field { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute; border-radius: 50%;
  background: var(--gold); opacity: 0;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0%   { transform: translateY(110%); opacity: 0; }
  8%   { opacity: 0.12; }
  88%  { opacity: 0.08; }
  100% { transform: translateY(-110vh); opacity: 0; }
}

/* ══════════════════════════════════════════════
   HOVER MICRO-ANIMATIONS
══════════════════════════════════════════════ */

/* Shine sweep on buttons */
.btn-gold::after, .btn-primary::after {
  background: linear-gradient(90deg, transparent 30%, rgba(255,255,255,0.18) 50%, transparent 70%) !important;
  transform: translateX(-100%);
  opacity: 1 !important;
  transition: transform 0.5s ease !important;
}
.btn-gold:hover::after, .btn-primary:hover::after { transform: translateX(100%) !important; }

/* Gold underline grow */
.link-gold {
  position: relative;
  color: var(--gold); font-weight: 600;
  display: inline-block;
}
.link-gold::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 100%; height: 1.5px;
  background: var(--gold); transform: scaleX(0);
  transform-origin: right; transition: transform var(--t-med) ease;
}
.link-gold:hover::after { transform: scaleX(1); transform-origin: left; }

/* Icon bounce on hover */
.icon-hover-bounce { transition: transform var(--t-fast) var(--ease-spring); }
.icon-hover-bounce:hover { transform: translateY(-4px); }

/* Number counter pulse */
@keyframes numPop {
  0%  { transform: scale(1); }
  40% { transform: scale(1.08); }
  100%{ transform: scale(1); }
}
.num-pop { animation: numPop 0.35s var(--ease-spring); }

/* ══════════════════════════════════════════════
   PAGE TRANSITION
══════════════════════════════════════════════ */
.page-transition {
  position: fixed; inset: 0;
  background: var(--navy-dark);
  z-index: 8000;
  pointer-events: none;
  transform: translateY(100%);
  transition: transform 0.45s var(--ease-out);
}
.page-transition.enter { transform: translateY(0); }
.page-transition.exit  { transform: translateY(-100%); }

/* ══════════════════════════════════════════════
   IMAGE GALLERY ZOOM
══════════════════════════════════════════════ */
.img-zoom-wrap { overflow: hidden; border-radius: inherit; }
.img-zoom-wrap img {
  transition: transform 0.6s var(--ease-out), filter 0.3s ease;
}
.img-zoom-wrap:hover img {
  transform: scale(1.06);
  filter: brightness(1.03);
}

/* ══════════════════════════════════════════════
   RIPPLE EFFECT
══════════════════════════════════════════════ */
.ripple-effect {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: scale(0); pointer-events: none;
  animation: rippleAnim 0.65s ease;
}
@keyframes rippleAnim { to { transform: scale(4); opacity: 0; } }

/* ══════════════════════════════════════════════
   HERO PARTICLES — CANVAS (CSS fallback dots)
══════════════════════════════════════════════ */
@keyframes twinkle {
  0%,100%{opacity:0.04} 50%{opacity:0.14}
}

/* ══════════════════════════════════════════════
   NUMBER COUNTER
══════════════════════════════════════════════ */
.counter-num { display: inline-block; }

/* ══════════════════════════════════════════════
   TIMELINE (About page)
══════════════════════════════════════════════ */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--gold), rgba(201,168,76,0.1)); border-radius: 2px; }
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-item::before {
  content: ''; position: absolute; left: -24px; top: 5px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gold); border: 2px solid white;
  box-shadow: 0 0 0 3px rgba(201,168,76,0.25);
}
.timeline-item h5 { font-size: 0.88rem; font-weight: 700; color: var(--text-dark); margin-bottom: 3px; }
.timeline-item p { font-size: 0.82rem; color: var(--gray-600); line-height: 1.6; }

/* ══════════════════════════════════════════════
   SPECIAL: Text Reveal (split by words)
══════════════════════════════════════════════ */
.split-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  margin-right: 0.25em;
}
.split-word-inner {
  display: inline-block;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 0.6s var(--ease-spring), opacity 0.4s ease;
}
.text-revealed .split-word-inner { transform: translateY(0); opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  [data-anim], [data-anim] > * { opacity: 1 !important; transform: none !important; filter: none !important; clip-path: none !important; }
}