/* ==========================================================================
   Motion layer — high-end but restrained animations
   ========================================================================== */

/* Page enter / leave */
html.is-leaving body > *:not(.page-curtain) { opacity: 0; transition: opacity .15s var(--ease); }
/* opacity only: a transform here would break position:fixed/sticky children */
body > * { animation: page-in .3s var(--ease-out) backwards; }
@keyframes page-in { from { opacity: 0; } }
.page-curtain {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  background: radial-gradient(60% 60% at 50% 40%, rgba(232,40,61,.18), transparent 70%), var(--bg);
  opacity: 0; transition: opacity .3s var(--ease);
}
html.is-leaving .page-curtain { opacity: 1; }

/* Split-word heading reveal */
[data-split] .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
[data-split] .w > span { display: inline-block; transform: translateY(105%); opacity: 0; transition: transform .7s var(--ease-out), opacity .45s var(--ease); transition-delay: calc(var(--i) * 35ms + var(--base, 0ms)); }
[data-split].in .w > span { transform: none; opacity: 1; }

/* Scramble text keeps width stable */
[data-scramble] { font-variant-numeric: tabular-nums; }
.scr-char { color: var(--red); opacity: .8; }

/* Cursor spotlight */
.spot { position: relative; isolation: isolate; }
.spot::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, -100%), rgba(255,77,94,.10), transparent 45%);
  opacity: 0; transition: opacity .4s var(--ease);
}
.spot::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; padding: 1px;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, -100%), rgba(255,110,125,.55), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .4s var(--ease);
}
.spot:hover::before, .spot:hover::after { opacity: 1; }

/* Rotating border beam */
@property --beam { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.beam { position: relative; }
.beam > .beam-line {
  position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; padding: 1px; z-index: 2;
  background: conic-gradient(from var(--beam), transparent 0 70%, rgba(255,77,94,.0) 72%, #ff4d5e 86%, #ffd08a 90%, transparent 92%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: beam-spin 6s linear infinite;
}
@keyframes beam-spin { to { --beam: 360deg; } }

/* Glyph field canvas */
.glyphs { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; opacity: .9;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.55) 45%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.55) 45%, transparent 100%);
}

/* Magnetic */
.magnetic { transition: transform .5s var(--ease-out), box-shadow .25s, background .2s, border-color .2s; will-change: transform; }

/* Hero aurora drift */
.aurora { position: absolute; inset: -20% -10% auto -10%; height: 680px; pointer-events: none; z-index: -1; overflow: hidden; }
.aurora i { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .32; will-change: transform; }
.aurora i:nth-child(1) { width: 520px; height: 520px; left: 55%; top: 0; background: #b3122e; animation: drift1 18s ease-in-out infinite; }
.aurora i:nth-child(2) { width: 420px; height: 420px; left: 5%; top: 18%; background: #6e0d1f; animation: drift2 22s ease-in-out infinite; }
.aurora i:nth-child(3) { width: 300px; height: 300px; left: 70%; top: 34%; background: #8a4a12; opacity: .3; animation: drift1 26s ease-in-out infinite reverse; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-80px, 60px) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(90px, -30px) scale(.92); } }

/* Grid lines that fade under hero */
.hero-grid-bg { position: absolute; inset: 0; pointer-events: none; z-index: -1;
  background-image: linear-gradient(rgba(255,196,204,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,196,204,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 55% at 50% 30%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(60% 55% at 50% 30%, #000 0%, transparent 80%);
}

/* Scroll progress bar */
.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 60; transform-origin: 0 50%; transform: scaleX(var(--sp, 0)); background: linear-gradient(90deg, #a5132b, #ff4d5e, #f7b84b); pointer-events: none; }

/* Shine sweep on primary buttons */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .7s var(--ease-out); pointer-events: none;
}
.btn-primary:hover::after { left: 130%; }

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

@media (prefers-reduced-motion: reduce) {
  [data-split] .w > span { transform: none; opacity: 1; }
  .beam > .beam-line, .aurora i, .float-card { animation: none !important; }
  body > * { animation: none; }
}