.method-immersive {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 120px 0;
  color: #f2f5f4;
  background:
    radial-gradient(circle at 14% 18%, rgba(52, 103, 255, .11), transparent 29%),
    radial-gradient(circle at 84% 72%, rgba(200,255,77, .08), transparent 31%),
    linear-gradient(145deg, #070912, #10131d 55%, #07110e);
}

.method-immersive::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: .23;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 86%, transparent);
}

.method-immersive::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 8%;
  left: 50%;
  width: min(900px, 90vw);
  height: 430px;
  border: 1px solid rgba(200,255,77,.1);
  border-radius: 50%;
  box-shadow: 0 0 90px rgba(200,255,77,.04);
  transform: translateX(-50%) rotate(-8deg);
}

.method-atmosphere { position: absolute; z-index: -1; inset: 0; pointer-events: none; }
.method-atmosphere i {
  position: absolute;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 18px var(--acid);
  animation: method-particle 8s ease-in-out infinite alternate;
}
.method-atmosphere i:nth-child(1) { top: 18%; left: 9%; width: 3px; height: 3px; }
.method-atmosphere i:nth-child(2) { top: 45%; right: 8%; width: 5px; height: 5px; animation-delay: -3s; }
.method-atmosphere i:nth-child(3) { bottom: 11%; left: 42%; width: 2px; height: 2px; animation-delay: -5s; }
@keyframes method-particle { to { opacity: .25; transform: translate3d(20px,-38px,0); } }

.method-shell { position: relative; }
.method-heading { display: grid; gap: 24px; }
.method-heading .chapter { color: var(--acid); }
.method-heading > div > p { margin: 13px 0 0; color: #75827f; font-size: 8px; font-weight: 700; letter-spacing: .16em; }
.method-heading h2 { margin: 0; color: #f4f6f5; font-size: clamp(54px,12vw,98px); }
.method-heading h2 em {
  color: var(--acid);
  font-weight: 400;
  text-shadow: 0 0 18px rgba(200,255,77,.3), 0 0 55px rgba(200,255,77,.11);
}

.method-cards { display: grid; gap: 16px; margin-top: 68px; border: 0; }
.method-card {
  position: relative;
  display: flex;
  min-height: 510px;
  flex-direction: column;
  padding: 22px;
  overflow: hidden;
  border: 1px solid rgba(216,239,229,.14);
  border-radius: 18px;
  color: #f1f5f3;
  background: linear-gradient(150deg, rgba(27,35,46,.72), rgba(8,16,20,.48));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 30px 90px rgba(0,0,0,.24);
  backdrop-filter: blur(18px) saturate(140%);
  transition: transform .55s var(--ease), border-color .4s, box-shadow .55s;
}
.method-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 15%, rgba(255,255,255,.045) 42%, transparent 68%);
  transform: translateX(-120%);
  transition: transform .9s var(--ease);
}
.method-card:hover {
  z-index: 2;
  border-color: rgba(200,255,77,.48);
  transform: translateY(-12px);
  box-shadow: 0 30px 100px rgba(0,0,0,.38), 0 0 0 1px rgba(200,255,77,.08), 0 0 42px rgba(200,255,77,.1), inset 0 1px rgba(255,255,255,.09);
}
.method-card:hover::before { transform: translateX(120%); }
.method-card-head { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 11px; }
.method-card-head > span { font-family: var(--serif); font-size: 19px; }
.method-card-head > b { color: var(--acid); font-size: 8px; letter-spacing: .18em; }
.method-card-head > i { color: #64716e; font-size: 7px; font-style: normal; letter-spacing: .14em; }

.method-visual {
  position: relative;
  flex: 1;
  min-height: 245px;
  margin: 25px 0 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  background: radial-gradient(circle at 50% 50%, rgba(200,255,77,.075), transparent 55%), rgba(3,10,13,.34);
  perspective: 850px;
}
.method-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .25;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(#000, transparent);
}
.visual-label { position: absolute; right: 14px; bottom: 12px; left: 14px; color: #70807b; font-size: 7px; font-weight: 700; letter-spacing: .15em; text-align: center; }
.method-card-copy { position: relative; z-index: 2; margin-top: auto; }
.method-card-copy h3 { margin: 0; color: #f1f4f2; font-size: 36px; }
.method-card-copy p { max-width: 310px; margin: 14px 0 0; color: #8f9d98; font-size: 11px; line-height: 1.65; }
.card-scan { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; opacity: 0; background: linear-gradient(90deg,transparent,var(--acid),transparent); transform: translateX(-100%); }
.method-card:hover .card-scan { opacity: .75; animation: card-scan 1.7s ease-in-out infinite; }
@keyframes card-scan { to { transform: translateX(100%); } }

.open-book { position: absolute; top: 49%; left: 50%; width: 152px; height: 94px; filter: drop-shadow(0 24px 20px rgba(0,0,0,.48)); transform: translate(-50%,-50%) rotateX(58deg) rotateZ(-2deg); transform-style: preserve-3d; }
.book-page { position: absolute; top: 0; width: 76px; height: 94px; border: 1px solid rgba(200,255,77,.34); background: linear-gradient(105deg,#94a49a,#e3e7df 14%,#9eaaa2); box-shadow: inset 0 0 0 6px rgba(7,16,13,.12); }
.book-page::after { content: ""; position: absolute; inset: 17px 12px; background: repeating-linear-gradient(to bottom,rgba(10,25,18,.35) 0 1px,transparent 1px 7px); }
.page-left { right: 50%; border-radius: 8px 1px 1px 8px; transform-origin: right; animation: page-left 4s ease-in-out infinite; }
.page-right { left: 50%; border-radius: 1px 8px 8px 1px; transform-origin: left; animation: page-right 4s ease-in-out infinite; }
.book-spine { position: absolute; z-index: 3; top: 1px; bottom: 1px; left: 50%; width: 2px; background: var(--acid); box-shadow: 0 0 16px var(--acid); transform: translateX(-50%); }
@keyframes page-left { 50% { transform: rotateY(-20deg); } }
@keyframes page-right { 50% { transform: rotateY(20deg); } }
.search-lens { position: absolute; top: 28%; right: 18%; width: 48px; height: 48px; border: 2px solid var(--acid); border-radius: 50%; box-shadow: 0 0 20px rgba(200,255,77,.35), inset 0 0 15px rgba(200,255,77,.12); animation: lens-search 4s ease-in-out infinite; }
.search-lens::after { content: ""; position: absolute; right: -19px; bottom: -12px; width: 27px; height: 3px; border-radius: 4px; background: var(--acid); transform: rotate(48deg); transform-origin: left; }
.search-lens i { position: absolute; inset: 7px; border: 1px dashed rgba(200,255,77,.6); border-radius: 50%; animation: orbit 5s linear infinite; }
@keyframes lens-search { 50% { transform: translate(-38px,28px) scale(.92); } }

.closed-book { position: absolute; z-index: 2; top: 49%; left: 50%; width: 116px; height: 158px; border: 1px solid rgba(200,255,77,.45); border-radius: 3px 10px 10px 3px; background: linear-gradient(135deg,#12231e,#1f5138); box-shadow: -7px 7px 0 #09130f,-9px 9px 0 rgba(200,255,77,.32),0 30px 35px rgba(0,0,0,.38); transform: translate(-50%,-50%) rotateX(58deg) rotateZ(-12deg); transform-style: preserve-3d; animation: book-hover 5s ease-in-out infinite; }
.closed-book > span { position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 2px 7px 7px 2px; }
.closed-book > i { position: absolute; top: 0; bottom: 0; left: 14px; width: 1px; background: rgba(200,255,77,.4); }
.closed-book > b { position: absolute; top: 50%; left: 50%; font-family: var(--serif); font-size: 27px; font-weight: 400; transform: translate(-50%,-50%); }
@keyframes book-hover { 50% { transform: translate(-50%,-58%) rotateX(58deg) rotateZ(-8deg); } }
.holo-ring { position: absolute; z-index: 1; top: 48%; left: 50%; border: 1px solid rgba(200,255,77,.48); border-radius: 50%; box-shadow: 0 0 18px rgba(200,255,77,.16); transform: translate(-50%,-50%) rotateX(70deg); animation: holo-pulse 3s ease-out infinite; }
.ring-one { width: 185px; height: 185px; }
.ring-two { width: 235px; height: 235px; animation-delay: -1.5s; }
@keyframes holo-pulse { 0% { opacity: 0; transform: translate(-50%,-50%) rotateX(70deg) scale(.65); } 55% { opacity: .8; } 100% { opacity: 0; transform: translate(-50%,-50%) rotateX(70deg) scale(1.1); } }
.holo-check { position: absolute; z-index: 3; top: 19%; right: 18%; display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--acid); border-radius: 50%; color: var(--acid); background: rgba(7,17,14,.72); box-shadow: 0 0 22px rgba(200,255,77,.3); animation: check-glow 2s ease-in-out infinite alternate; }
@keyframes check-glow { to { box-shadow: 0 0 34px rgba(200,255,77,.55); transform: scale(1.05); } }

.delivery-origin { position: absolute; top: 47%; left: 12%; display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid rgba(200,255,77,.45); border-radius: 50%; }
.delivery-origin::before,.delivery-origin i { content: ""; position: absolute; border: 1px solid rgba(200,255,77,.18); border-radius: 50%; animation: delivery-origin 2s ease-out infinite; }
.delivery-origin::before { inset: -9px; }
.delivery-origin i { inset: -18px; animation-delay: -1s; }
@keyframes delivery-origin { to { opacity: 0; transform: scale(1.25); } }
.delivery-beam { position: absolute; top: calc(47% + 18px); right: 30%; left: calc(12% + 38px); height: 2px; overflow: hidden; background: rgba(200,255,77,.15); }
.delivery-beam i { display: block; width: 38%; height: 100%; background: linear-gradient(90deg,transparent,var(--acid)); box-shadow: 0 0 12px var(--acid); animation: delivery-run 1.6s ease-in-out infinite; }
@keyframes delivery-run { from { transform: translateX(-100%); } to { transform: translateX(300%); } }
.book-stack { position: absolute; right: 12%; bottom: 28%; width: 78px; height: 88px; }
.book-stack span { position: absolute; right: 0; width: 72px; height: 19px; border: 1px solid rgba(200,255,77,.36); border-radius: 2px 5px 5px 2px; background: linear-gradient(90deg,#173426,#284d39); box-shadow: -4px 5px 12px rgba(0,0,0,.25); animation: stack-arrive 3.6s var(--ease) infinite; }
.book-stack span:nth-child(1) { bottom: 0; }
.book-stack span:nth-child(2) { right: 5px; bottom: 23px; background: linear-gradient(90deg,#2b303c,#464d5e); animation-delay: -1.2s; }
.book-stack span:nth-child(3) { right: -2px; bottom: 46px; background: linear-gradient(90deg,#4d3d22,#6b5734); animation-delay: -2.4s; }
@keyframes stack-arrive { 0%,20% { opacity: 0; transform: translateX(34px); } 45%,100% { opacity: 1; transform: none; } }
.delivery-percent { position: absolute; top: 27%; left: 12%; color: var(--acid); font-family: var(--serif); font-size: 24px; text-shadow: 0 0 15px rgba(200,255,77,.35); }

@media (min-width: 760px) {
  .method-immersive { padding: 155px 0; }
  .method-heading { grid-template-columns: .55fr 1.45fr; align-items: start; }
  .method-cards { grid-template-columns: repeat(3,1fr); gap: 14px; }
  .method-card { min-height: 590px; padding: 24px; border: 1px solid rgba(216,239,229,.14); border-radius: 18px; }
  .method-card:not(:last-child) { border-right: 1px solid rgba(216,239,229,.14); }
  .method-visual { min-height: 270px; }
  .method-card-copy h3 { font-size: 35px; }
  .method-card-copy p { font-size: 10px; }
}

@media (min-width: 1100px) {
  .method-cards { gap: 18px; }
  .method-card { min-height: 625px; padding: 28px; }
  .method-card-copy h3 { font-size: 41px; }
  .method-visual { min-height: 290px; }
}

@media (prefers-reduced-motion: reduce) {
  .method-immersive *, .method-immersive *::before, .method-immersive *::after { animation: none !important; }
}