/* ============================================================
   File: 09-scroll-animations.css
   Scroll-triggered animation system driven by [data-anim] attributes, plus hover/shine/parallax/progress-ring helpers.
   ============================================================ */

/* =====================================================
   Future Clean — animation system
   Use data-anim="..." for scroll-triggered effects
   Variants set with data-anim on each element
===================================================== */
@media (prefers-reduced-motion: reduce) {
  [data-anim] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* base — invisible until JS marks doc ready, then animate on view */
.js-anim-ready [data-anim] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .8s cubic-bezier(.2, .7, .2, 1),
    transform .8s cubic-bezier(.2, .7, .2, 1),
    filter .8s ease,
    clip-path .9s cubic-bezier(.2, .7, .2, 1);
  will-change: opacity, transform;
}
.js-anim-ready [data-anim].in {
  opacity: 1;
  transform: none;
  filter: none;
  clip-path: inset(0);
}

/* variants */
.js-anim-ready [data-anim="fade"] { transform: none; }
.js-anim-ready [data-anim="up"]   { transform: translateY(40px); }
.js-anim-ready [data-anim="down"] { transform: translateY(-30px); }
.js-anim-ready [data-anim="left"] { transform: translateX(-40px); }
.js-anim-ready [data-anim="right"]{ transform: translateX(40px); }
.js-anim-ready [data-anim="zoom"] { transform: scale(.92); }
.js-anim-ready [data-anim="zoom-out"] { transform: scale(1.06); }
.js-anim-ready [data-anim="blur"] { filter: blur(14px); transform: translateY(20px); }
.js-anim-ready [data-anim="rise"] { transform: translateY(40px) scale(.98); }
.js-anim-ready [data-anim="reveal-x"] {
  clip-path: inset(0 100% 0 0);
  transform: none;
}
html[dir="rtl"].js-anim-ready [data-anim="reveal-x"] { clip-path: inset(0 0 0 100%); }
.js-anim-ready [data-anim="reveal-y"] {
  clip-path: inset(100% 0 0 0);
  transform: none;
}

/* staggered children — parent gets the trigger, children stagger in */
.js-anim-ready [data-stagger] > * {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .7s cubic-bezier(.2, .7, .2, 1),
    transform .7s cubic-bezier(.2, .7, .2, 1);
}
.js-anim-ready [data-stagger].in > * {
  opacity: 1;
  transform: none;
}
/* delay sequence applied via inline style by JS */

/* split text — words flip-up */
.split-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  margin-inline-end: 0.22em;
  line-height: 1.05;
  padding-bottom: 0.06em;
}
.split-word > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform .9s cubic-bezier(.2, .8, .2, 1);
}
.in .split-word > span,
[data-anim="text-rise"].in .split-word > span { transform: translateY(0); }

/* number flip / odometer-feel */
@keyframes numberPulse {
  0% { transform: translateY(8px); opacity: .4; }
  50% { transform: translateY(-2px); opacity: 1; }
  100% { transform: translateY(0); opacity: 1; }
}
.counter-pulsing { animation: numberPulse .5s cubic-bezier(.2,.7,.2,1) both; }

/* underline grow on title */
.title-underline {
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
}
.title-underline::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-end: 0;
  width: 40%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: inset-inline-start;
  transition: transform .9s cubic-bezier(.2,.7,.2,1) .2s;
}
html[dir="rtl"] .title-underline::after { transform-origin: right; }
.title-underline.in::after { transform: scaleX(1); }

/* parallax accent shapes */
.parallax-accent { transform: translateY(0); transition: transform .1s linear; will-change: transform; }

/* scroll progress bar */
.scroll-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  height: 3px;
  width: 100%;
  z-index: 200;
  pointer-events: none;
}
.scroll-progress::before {
  content: "";
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 10px rgba(16,185,129,.5);
  transition: width .12s linear;
}
html[dir="rtl"] .scroll-progress::before { float: right; }

/* hover lift used throughout */
.hover-lift { transition: transform .25s ease, box-shadow .25s ease; }
.hover-lift:hover { transform: translateY(-3px); }

/* magnetic card glow */
.magnetic-card {
  transition: transform .25s cubic-bezier(.2,.7,.2,1), box-shadow .25s ease;
  transform-style: preserve-3d;
}

/* shimmering shine — applied on .shine */
.shine { position: relative; overflow: hidden; }
.shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .7s ease;
  pointer-events: none;
}
.shine:hover::after { transform: translateX(100%); }
html[dir="rtl"] .shine::after { transform: translateX(100%); }
html[dir="rtl"] .shine:hover::after { transform: translateX(-100%); }

/* float idle */
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.floaty { animation: floaty 5s ease-in-out infinite; }

/* gentle drift for hero badges */
@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(0, -8px); }
}
.drift { animation: drift 6s ease-in-out infinite; }

/* progress ring */
.ring-track {
  fill: none;
  stroke: var(--line);
  stroke-width: 6;
}
.ring-progress {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 0 999;
  transition: stroke-dasharray 1.4s cubic-bezier(.2,.7,.2,1);
}