/* ==========================================================================
   CREA212 — animations.css
   Preloader, scroll-reveal, 3D tilt / 360° rotation, floating & keyframes.
   ========================================================================== */

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  gap: 22px;
  background: var(--c-charcoal);
  transition: opacity 620ms var(--ease-out), visibility 620ms var(--ease-out);
}

.preloader__mark {
  position: relative;
  width: 84px;
  height: 84px;
  display: grid;
  place-items: center;
  animation: preloader-spin 2.6s var(--ease-soft) infinite;
}

.preloader__mark svg {
  width: 100%;
  height: 100%;
}

.preloader__bar {
  position: relative;
  width: min(240px, 60vw);
  height: 3px;
  overflow: hidden;
  border-radius: var(--r-pill);
  background: rgba(251, 251, 250, 0.14);
}

.preloader__bar span {
  position: absolute;
  inset: 0;
  width: 40%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-mint), var(--c-red));
  animation: preloader-bar 1.15s var(--ease-soft) infinite;
}

.preloader__label {
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(251, 251, 250, 0.62);
}

body.is-loaded .preloader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes preloader-spin {
  0%, 100% { transform: rotate3d(0.4, 1, 0, 0deg) scale(1); }
  50% { transform: rotate3d(0.4, 1, 0, 180deg) scale(0.9); }
}

@keyframes preloader-bar {
  0% { left: -40%; }
  100% { left: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .preloader__mark { animation: none; }
  .preloader__bar span { animation: none; left: 0; width: 100%; }
}

/* ---------- Scroll reveal ----------
   Scoped via :where(.js) (zero specificity) so content stays visible by
   default if JavaScript never runs (blocked, errors out, etc.) — progressive
   enhancement — without this base rule ever out-specifying .is-visible. */
:where(html.js) [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

:where(html.js) [data-reveal="scale"] {
  transform: translateY(20px) scale(0.94);
}

[data-reveal="scale"].is-visible {
  transform: translateY(0) scale(1);
}

:where(html.js) [data-reveal="left"] {
  transform: translateX(-32px);
}

:where(html.js) [data-reveal="right"] {
  transform: translateX(32px);
}

[data-reveal="left"].is-visible,
[data-reveal="right"].is-visible {
  transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none;
  }
}

/* ---------- 3D tilt (hero stack, cards) ---------- */
.tilt-scene {
  perspective: var(--perspective);
}

.tilt-el {
  transform-style: preserve-3d;
  transition: transform 520ms var(--ease-out);
  will-change: transform;
}

/* ---------- 360 auto-rotate showcase (case-study cover) ---------- */
.rotate-360 {
  perspective: 1600px;
}

.rotate-360__inner {
  transform-style: preserve-3d;
  animation: rotate-360-spin 16s linear infinite;
}

.rotate-360:hover .rotate-360__inner,
.rotate-360:focus-within .rotate-360__inner {
  animation-play-state: paused;
}

@keyframes rotate-360-spin {
  0% { transform: rotateY(-8deg); }
  50% { transform: rotateY(8deg); }
  100% { transform: rotateY(-8deg); }
}

@media (prefers-reduced-motion: reduce) {
  .rotate-360__inner { animation: none; transform: rotateY(0deg); }
}

/* ---------- Floating tokens ---------- */
.float {
  animation: float-y var(--float-duration, 7s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
}

.float-slow {
  animation: float-y var(--float-duration, 11s) ease-in-out infinite;
  animation-delay: var(--float-delay, 0s);
}

@keyframes float-y {
  0%, 100% { transform: translateY(0) rotate(var(--float-rot, 0deg)); }
  50% { transform: translateY(-14px) rotate(var(--float-rot, 0deg)); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 0.7; transform: scale(0.94); }
  50% { opacity: 1; transform: scale(1.06); }
}

.pulse {
  animation: pulse-soft 4.6s ease-in-out infinite;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

.spin-slow {
  animation: spin-slow 22s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .float,
  .float-slow,
  .pulse,
  .spin-slow {
    animation: none;
  }
}

/* ---------- Marquee (trust strip) ---------- */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  gap: 64px;
  animation: marquee-scroll 26s linear infinite;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ---------- Nav underline / link motion ---------- */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--c-mint);
  transition: right var(--dur-fast) var(--ease-out);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  right: 0;
}

/* ---------- Button hover lift ---------- */
.btn svg,
.link-arrow svg {
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover svg,
.link-arrow:hover svg {
  transform: translate(3px, -3px);
}

/* ---------- Fade-in page transition ---------- */
body {
  animation: page-fade 560ms var(--ease-out);
}

@keyframes page-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  body { animation: none; }
}