/* =========================
   Lululemon Hero • Animated
   ========================= */

/* Section shell */
.ll-hero{
  --red:#d31334;
  --red-mid:#b0102b;
  --red-d:#8c0f23;
  --ink:#111827;
  --paper:#fff;

  /* animated layered gradient */
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(255,255,255,.10), transparent),
    linear-gradient(135deg, var(--red) 0%, var(--red-mid) 40%, var(--red-d) 85%);
  color:#fff;
  position:relative;
  overflow:hidden;
  isolation:isolate;
  animation: heroGradient 14s ease-in-out infinite alternate;
}

/* layout */
.ll-wrap{
  max-width:1160px;
  margin:0 auto;
  padding:clamp(20px,5vw,56px);
  display:grid;
  grid-template-columns:1fr;
  align-items:center;
  gap:clamp(20px,5vw,48px);
  min-height:56svh;
}

/* text */
.ll-copy h1{
  margin:0 0 .25em 0;
  font-size:clamp(36px,6vw,64px);
  line-height:1.05;
  letter-spacing:-.01em;
  opacity:0;
  transform:translateY(8px);
  animation: fadeSlide .6s ease-out .1s forwards;
}
.ll-sub{
  margin:0 0 1.1rem 0;
  font-size:clamp(16px,2.2vw,20px);
  color:#ffe6ea;
  max-width:50ch;
  opacity:0;
  transform:translateY(8px);
  animation: fadeSlide .6s ease-out .22s forwards;
}

/* CTA button */
.ll-btn{
  --h:46px;
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:var(--h);
  padding:0 18px;
  border-radius:999px;
  background:#fff;
  color:var(--ink);
  text-decoration:none;
  font-weight:700;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
  transition:transform .15s ease, box-shadow .15s ease;
  overflow:hidden;
  opacity:0;
  transform:translateY(8px);
  animation: fadeSlide .6s ease-out .34s forwards;
}

/* glossy sweep on hover */
.ll-btn::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,.6) 18%, transparent 36%) no-repeat;
  background-size: 140% 100%;
  transform: translateX(-120%);
  transition: transform .6s ease;
  pointer-events:none;
}
.ll-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(0,0,0,.22);
}
.ll-btn:hover::after{
  transform: translateX(120%);
}

/* mockup image */
.ll-art{
  margin:0;
  display:grid;
  place-items:center;
}
.ll-art img{
  width:min(92%,620px);
  height:auto;
  filter: drop-shadow(0 28px 80px rgba(0,0,0,.35));
  transform: translateY(4px);
  opacity:0;
  animation: fadeSlideUp .7s ease-out .28s forwards, floatY 6s ease-in-out infinite;
  will-change: transform, filter;
}

/* =========================
   Unique Image FX
   ========================= */
.fx-unique{
  position:relative;
  z-index:0;
  perspective:1200px;
  isolation:isolate;
}

/* Enhance img with tilt + echo shadow */
.fx-unique .ll-img{
  position:relative;
  z-index:2;
  transform-style:preserve-3d;
  transform:
    translateY(4px)
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg))
    translateZ(var(--rz, 0px));
  transition: transform .12s linear;
  filter:
    drop-shadow(0 28px 80px rgba(0,0,0,.35))
    drop-shadow(0 12px 24px rgba(211,19,52,.20));
}

/* Orbiting halo */
.fx-unique::before{
  content:"";
  position:absolute;
  inset:-12%;
  z-index:1;
  border-radius:28px;
  background:
    radial-gradient(120% 60% at 70% 0%, rgba(255,255,255,.06), transparent 60%) ,
    conic-gradient(from var(--ang, 0deg),
      rgba(255,255,255,0) 0deg,
      rgba(255,255,255,.55) 10deg,
      rgba(255,255,255,0) 22deg,
      rgba(255,255,255,0) 360deg);
  mix-blend-mode:soft-light;
  filter: blur(14px);
  animation: fxOrbit 13s linear infinite;
  transform: translateZ(-1px);
}

/* Gliding lens highlight */
.fx-unique::after{
  content:"";
  position:absolute;
  width:min(44vmin,520px);
  aspect-ratio:1;
  left:50%;
  top:45%;
  translate:-50% -50%;
  z-index:3;
  pointer-events:none;
  border-radius:50%;
  background:
    radial-gradient(42% 42% at 50% 50%, rgba(255,255,255,.22), rgba(255,255,255,0) 70%),
    radial-gradient(80% 80% at 60% 35%, rgba(255,255,255,.10), rgba(255,255,255,0) 70%);
  mix-blend-mode:soft-light;
  filter: blur(6px);
  animation: lensDrift 9s ease-in-out infinite alternate;
}

/* Extra shadow parallax */
.fx-unique .ll-img::after{
  content:"";
  position:absolute;
  inset:12% 6% 0 6%;
  z-index:-1;
  border-radius:24px;
  background: radial-gradient(60% 30% at 50% 100%, rgba(0,0,0,.28), transparent 70%);
  filter: blur(16px);
  transform: translateY(var(--shadowDy, 0px)) scale(.98);
  transition: transform .12s linear;
}

/* Hover */
.fx-unique:hover .ll-img{
  --rz: 2px;
}

/* Keyframes */
@keyframes fxOrbit{
  0%   { --ang: 0deg;   transform: rotate(0deg) scale(1); }
  50%  { --ang: 180deg; transform: rotate(1turn) scale(1.02); }
  100% { --ang: 360deg; transform: rotate(2turn) scale(1); }
}
@keyframes lensDrift{
  0%   { transform: translate(-52%, -48%) scale(1); }
  50%  { transform: translate(-45%, -52%) scale(1.03); }
  100% { transform: translate(-55%, -46%) scale(1); }
}

/* desktop */
@media (min-width:980px){
  .ll-wrap{
    grid-template-columns:1.05fr .95fr;
    min-height:64svh;
  }
  .ll-sub{ max-width:44ch; }
}

/* Keyframes base */
@keyframes heroGradient{
  0%{
    background:
      radial-gradient(1100px 600px at 85% -10%, rgba(255,255,255,.10), transparent),
      linear-gradient(135deg, var(--red) 0%, var(--red-mid) 40%, var(--red-d) 85%);
  }
  100%{
    background:
      radial-gradient(1200px 620px at 80% -15%, rgba(255,255,255,.14), transparent),
      linear-gradient(145deg, var(--red-d) 0%, var(--red-mid) 45%, var(--red) 90%);
  }
}
@keyframes fadeSlide{
  to{ opacity:1; transform:translateY(0); }
}
@keyframes fadeSlideUp{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:translateY(0); }
}
@keyframes floatY{
  0%{ transform: translateY(0); }
  50%{ transform: translateY(-8px); }
  100%{ transform: translateY(0); }
}

/* Accessibility */
.ll-btn:focus-visible{
  outline:2px solid #000;
  outline-offset:2px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .ll-hero{ animation:none; }
  .ll-btn,
  .ll-sub,
  .ll-copy h1,
  .ll-art img,
  .fx-unique::before,
  .fx-unique::after{ animation:none; opacity:1; transform:none; }
}