/* ============================================================
   THINKADS — Animations CSS
   Keyframes, Scroll Reveals, Entrance Effects
   ============================================================ */

/* ── GSAP / SplitType Reveal Classes ─────────────────────── */

/* Word-level reveal (SplitType .words) */
.split-word {
  display: inline-block;
  overflow: hidden;
}
.split-word .word {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
}

/* Char-level reveal (SplitType .chars) */
.split-chars .char {
  display: inline-block;
  transform: translateY(100%) rotate(8deg);
  opacity: 0;
}

/* Line-level reveal */
.split-lines .line {
  display: block;
  overflow: hidden;
}
.split-lines .line > * {
  display: inline-block;
  transform: translateY(105%);
}

/* ── Fade Up Variants ─────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal="fade-up"]   { transform: translateY(50px); }
[data-reveal="fade-left"] { transform: translateX(-40px); }
[data-reveal="fade-right"]{ transform: translateX(40px); }
[data-reveal="scale-in"]  { transform: scale(0.9); }
[data-reveal="blur-in"]   { filter: blur(10px); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  filter: none;
  transition-duration: 0.9s;
}

/* Stagger delay for grouped elements */
[data-reveal-delay="100"] { transition-delay: 100ms; }
[data-reveal-delay="200"] { transition-delay: 200ms; }
[data-reveal-delay="300"] { transition-delay: 300ms; }
[data-reveal-delay="400"] { transition-delay: 400ms; }
[data-reveal-delay="500"] { transition-delay: 500ms; }
[data-reveal-delay="600"] { transition-delay: 600ms; }

/* ── Loading Screen Animations ────────────────────────────── */
@keyframes loader-fade-out {
  from { opacity: 1; }
  to   { opacity: 0; pointer-events: none; }
}

.page-loader--hidden {
  animation: loader-fade-out 0.6s var(--ease-out-expo) forwards;
}

/* ── Gradient Mesh Blobs ──────────────────────────────────── */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  will-change: transform;
}

.blob--red {
  background: radial-gradient(circle, rgba(254,0,3,0.18), transparent 70%);
  animation: blob-drift-1 12s ease-in-out infinite;
}

.blob--orange {
  background: radial-gradient(circle, rgba(251,103,3,0.12), transparent 70%);
  animation: blob-drift-2 16s ease-in-out infinite;
}

.blob--sm  { width: 200px; height: 200px; }
.blob--md  { width: 400px; height: 400px; }
.blob--lg  { width: 700px; height: 700px; }

@keyframes blob-drift-1 {
  0%, 100% { transform: translate(0, 0)  rotate(0deg); }
  25%      { transform: translate(40px, -40px) rotate(90deg); }
  50%      { transform: translate(-30px, 30px) rotate(180deg); }
  75%      { transform: translate(20px, 40px) rotate(270deg); }
}

@keyframes blob-drift-2 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(-50px, 30px); }
  66%      { transform: translate(30px, -40px); }
}

/* ── Glow Border Shimmer ──────────────────────────────────── */
@keyframes border-shimmer {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.shimmer-border {
  position: relative;
}
.shimmer-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, var(--red), var(--orange), transparent);
  background-size: 200% 200%;
  animation: border-shimmer 3s ease infinite;
  z-index: -1;
}

/* ── Counter Animation ────────────────────────────────────── */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ── Tilt Card ────────────────────────────────────────────── */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.1s linear;
}

.tilt-card__inner {
  transform-style: preserve-3d;
  transition: transform 0.1s linear;
}

/* ── Parallax Layers ──────────────────────────────────────── */
.parallax {
  will-change: transform;
}

/* ── Animated Gradient Text ───────────────────────────────── */
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

.animated-gradient-text {
  background: linear-gradient(135deg, #fe0003 0%, #fb6703 30%, #fff 50%, #fb6703 70%, #fe0003 100%);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 6s ease infinite;
}

/* ── Glowing Button Pulse ─────────────────────────────────── */
@keyframes btn-glow {
  0%, 100% { box-shadow: 0 4px 20px rgba(254,0,3,0.3); }
  50%       { box-shadow: 0 4px 40px rgba(254,0,3,0.5), 0 0 80px rgba(254,0,3,0.2); }
}

.btn--pulse {
  animation: btn-glow 2.5s ease-in-out infinite;
}

/* ── Infinite Marquee ─────────────────────────────────────── */
.marquee-track {
  /* JS clone duplicates, so just animate */
}

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

/* ── Particle Canvas ──────────────────────────────────────── */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── Page Transition Overlay ──────────────────────────────── */
#page-transition {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9990;
  transform: translateY(100%);
  pointer-events: none;
}

#page-transition.entering {
  animation: transition-enter 0.5s var(--ease-out-expo) forwards;
}

#page-transition.leaving {
  animation: transition-leave 0.5s var(--ease-out-expo) forwards;
}

@keyframes transition-enter {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes transition-leave {
  from { transform: translateY(0); }
  to   { transform: translateY(-100%); }
}

/* ── Scan Line Effect (Decorative) ───────────────────────── */
@keyframes scan {
  from { transform: translateY(-100%); }
  to   { transform: translateY(100vh); }
}

/* ── Hover Underline ──────────────────────────────────────── */
.hover-underline {
  position: relative;
  display: inline-block;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-mid) var(--ease-out-expo);
}

.hover-underline:hover::after { transform: scaleX(1); }

/* ── Icon Spin ────────────────────────────────────────────── */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.spin-slow { animation: spin-slow 8s linear infinite; }

/* ── Availability Dot ─────────────────────────────────────── */
.availability-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--grey);
  font-family: var(--font-ui);
}

.availability-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  animation: dot-pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(34,197,94,0.5);
}

@keyframes dot-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.3); opacity: 0.7; }
}

/* ── Grid Reveal Stagger ──────────────────────────────────── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
}
.stagger-children.revealed > *:nth-child(1) { animation: stagger-up 0.7s 0.1s var(--ease-out-expo) forwards; }
.stagger-children.revealed > *:nth-child(2) { animation: stagger-up 0.7s 0.2s var(--ease-out-expo) forwards; }
.stagger-children.revealed > *:nth-child(3) { animation: stagger-up 0.7s 0.3s var(--ease-out-expo) forwards; }
.stagger-children.revealed > *:nth-child(4) { animation: stagger-up 0.7s 0.4s var(--ease-out-expo) forwards; }
.stagger-children.revealed > *:nth-child(5) { animation: stagger-up 0.7s 0.5s var(--ease-out-expo) forwards; }
.stagger-children.revealed > *:nth-child(6) { animation: stagger-up 0.7s 0.6s var(--ease-out-expo) forwards; }

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