/* ==============================================================
   PROGRESSIVE WEB APP PAGE  (.pwa-*)
   Builds on web-development-services.css + web-development-motion.css
   (tokens, sections, reveal system, timeline, form, FAQ).
   ============================================================== */
.pwa {
  --p-glass:
    linear-gradient(rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.94))
      padding-box,
    linear-gradient(
        140deg,
        rgba(99, 102, 241, 0.35),
        rgba(226, 232, 255, 0.6) 40%,
        rgba(124, 58, 237, 0.3)
      )
      border-box;
}
.pwa h3 {
  letter-spacing: -0.02em;
}

/* ---------- Hero ---------- */
.pwa-hero .wds-hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}
.pwa-tagline {
  margin: 0 0 18px !important;
  color: var(--w-ink);
  font: 600 clamp(16px, 1.5vw, 19px) / 1.45 var(--font-secondary);
}
.pwa-tagline b {
  color: var(--w-violet);
  font-weight: 800;
}
.pwa-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px !important;
}
.pwa-platforms li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--w-line);
  color: var(--w-ink);
  font: 700 13px/1 var(--font-secondary);
  box-shadow: 0 6px 16px rgba(22, 34, 90, 0.05);
}
.pwa-platforms i {
  color: var(--w-blue);
}
.pwa-hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 10px 0 20px;
  animation: wdsIn 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.25s both;
}
.pwa-phone {
  position: relative;
  width: 272px;
  padding: 12px;
  border-radius: 44px;
  background: var(--w-navy);
  box-shadow:
    0 40px 90px rgba(14, 22, 48, 0.3),
    0 0 0 7px #e4e8f5;
  transition: transform 0.2s;
}
.pwa-phone.tap {
  transform: scale(0.985);
}
.pwa-phone-notch {
  position: absolute;
  left: 50%;
  top: 12px;
  z-index: 5;
  width: 92px;
  height: 22px;
  margin-left: -46px;
  border-radius: 0 0 14px 14px;
  background: var(--w-navy);
}
.pwa-screen {
  position: relative;
  height: 500px;
  border-radius: 33px;
  overflow: hidden;
  background: #fff;
}
.pwa-s {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition:
    opacity 0.5s ease,
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.pwa-phone[data-stage="browse"] .pwa-s--browse,
.pwa-phone[data-stage="prompt"] .pwa-s--browse,
.pwa-phone[data-stage="home"] .pwa-s--home,
.pwa-phone[data-stage="app"] .pwa-s--app {
  opacity: 1;
}
/* browser screen */
.pwa-s--browse {
  padding: 40px 14px 14px;
  background: #f5f7fd;
}
.pwa-url {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-ink);
  font: 600 11.5px/1 var(--font-secondary);
}
.pwa-url i {
  color: var(--w-green);
  font-size: 10px;
}
.pwa-webpage {
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
}
.pwa-webpage b,
.pwa-webpage > i,
.pwa-webpage > span {
  display: block;
  border-radius: 6px;
}
.pwa-webpage b {
  width: 70%;
  height: 14px;
  background: var(--w-ink);
}
.pwa-webpage > i {
  height: 7px;
  margin-top: 10px;
  background: #dde2ef;
}
.pwa-webpage > i.s {
  width: 60%;
  margin-top: 6px;
}
.pwa-webpage-img {
  display: grid;
  place-items: center;
  height: 130px;
  margin: 14px 0;
  border-radius: 12px;
  background: linear-gradient(140deg, #e0e7ff, #ede9fe);
  color: var(--w-violet);
  font-size: 34px;
}
.pwa-webpage > span {
  height: 36px;
  margin-top: 8px;
  background: var(--w-soft);
}
.pwa-sheet {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 -10px 40px rgba(14, 22, 48, 0.2);
  transform: translateY(130%);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.pwa-phone[data-stage="prompt"] .pwa-sheet {
  transform: none;
}
.pwa-sheet-icon,
.pwa-new {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 12px;
  background: var(--w-grad);
  color: #fff;
  font: 800 13px/1 var(--font-primary);
}
.pwa-sheet strong {
  display: block;
  color: var(--w-ink);
  font: 800 13.5px/1.2 var(--font-secondary);
}
.pwa-sheet small {
  color: var(--w-muted);
  font-size: 11px;
}
.pwa-sheet u {
  margin-left: auto;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--w-blue);
  color: #fff;
  font: 800 12px/1 var(--font-secondary);
  text-decoration: none;
  transition: transform 0.15s;
}
.pwa-phone.tap .pwa-sheet u {
  transform: scale(0.9);
  background: var(--w-violet);
}
/* home screen */
.pwa-s--home {
  padding: 44px 20px 20px;
  background: linear-gradient(160deg, #6366f1, #8b5cf6 55%, #0ea5e9);
}
.pwa-home-time {
  color: #fff;
  font: 800 38px/1 var(--font-primary);
  text-align: center;
  margin: 10px 0 30px;
}
.pwa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px 12px;
}
.pwa-grid > span {
  aspect-ratio: 1;
  border-radius: 14px;
  opacity: 0.85;
}
.pwa-grid .pwa-new {
  position: relative;
  width: auto;
  height: auto;
  aspect-ratio: 1;
  border-radius: 14px;
  background: #fff;
  color: var(--w-violet);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  transform: scale(0);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s;
}
.pwa-new small {
  position: absolute;
  left: 50%;
  bottom: -17px;
  width: max-content;
  transform: translateX(-50%);
  color: #fff;
  font: 700 9.5px/1 var(--font-secondary);
}
.pwa-phone[data-stage="home"] .pwa-new,
.pwa-phone[data-stage="app"] .pwa-new {
  transform: scale(1);
}
.pwa-phone[data-stage="home"] .pwa-new {
  animation: pwaWiggle 1.6s ease-in-out 1s infinite;
}
@keyframes pwaWiggle {
  0%,
  100% {
    box-shadow:
      0 10px 24px rgba(0, 0, 0, 0.25),
      0 0 0 0 rgba(255, 255, 255, 0.7);
  }
  50% {
    box-shadow:
      0 10px 24px rgba(0, 0, 0, 0.25),
      0 0 0 9px rgba(255, 255, 255, 0);
  }
}
/* app launch */
.pwa-s--app {
  background: #fff;
}
.pwa-splash {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--w-grad);
  color: #fff;
  transition:
    opacity 0.5s ease 1.1s,
    visibility 0.5s ease 1.1s;
}
.pwa-splash span {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: #fff;
  color: var(--w-violet);
  font: 800 22px/1 var(--font-primary);
  animation: none;
}
.pwa-splash b {
  font: 800 16px/1 var(--font-secondary);
}
.pwa-phone[data-stage="app"] .pwa-splash {
  opacity: 0;
  visibility: hidden;
}
.pwa-phone[data-stage="app"] .pwa-splash span {
  animation: pwaPulse 0.9s ease-in-out;
}
@keyframes pwaPulse {
  50% {
    transform: scale(1.12);
  }
}
.pwa-app {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 44px 14px 0;
}
.pwa-app-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--w-ink);
  font: 800 16px/1 var(--font-primary);
}
.pwa-app-top i {
  color: var(--w-violet);
}
.pwa-app-card {
  padding: 16px;
  border-radius: 18px;
  background: var(--w-grad);
  color: #fff;
}
.pwa-app-card small {
  font: 600 11px/1 var(--font-secondary);
  opacity: 0.85;
}
.pwa-app-card strong {
  display: block;
  margin: 6px 0 12px;
  font: 800 28px/1 var(--font-primary);
}
.pwa-app-bars {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 56px;
}
.pwa-app-bars i {
  flex: 1;
  height: var(--h);
  border-radius: 5px 5px 2px 2px;
  background: rgba(255, 255, 255, 0.55);
  transform-origin: bottom;
}
.pwa-phone[data-stage="app"] .pwa-app-bars i {
  animation: wdsBar 0.9s cubic-bezier(0.16, 1, 0.3, 1) 1.4s both;
}
.pwa-app-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.pwa-app-row span {
  height: 74px;
  border-radius: 14px;
  background: var(--w-soft);
  border: 1px solid var(--w-line);
}
.pwa-tabbar {
  display: flex;
  justify-content: space-around;
  margin: auto -14px 0;
  padding: 14px 0 18px;
  border-top: 1px solid var(--w-line);
  color: #9aa3bd;
  font-size: 18px;
}
.pwa-tabbar .on {
  color: var(--w-blue);
}
.pwa-stage-steps {
  display: flex;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--w-line);
  box-shadow: 0 8px 20px rgba(22, 34, 90, 0.08);
}
.pwa-stage-steps span {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--w-muted);
  font: 700 12px/1 var(--font-secondary);
  transition:
    background 0.3s,
    color 0.3s;
}
.pwa-stage-steps span.is-on {
  background: var(--w-ink);
  color: #fff;
}
.pwa-hero .wds-chip {
  z-index: 6;
}
.pwa-chip--a {
  left: -6px;
  top: 26%;
}
.pwa-chip--a > i {
  color: var(--w-green);
  background: #dcfce7;
}
.pwa-chip--b {
  right: -14px;
  top: 60%;
  animation-delay: -2.5s;
}
.pwa-chip--b > i {
  color: var(--w-violet);
  background: #ede9fe;
}

/* ---------- What is ---------- */
.pwa-note-inline {
  display: flex;
  gap: 9px;
  margin-top: 22px !important;
  padding: 14px 16px;
  border-radius: 14px;
  background: #eef2ff;
  color: var(--w-ink);
  font: 600 14px/1.55 var(--font-secondary);
}
.pwa-note-inline i {
  color: var(--w-blue);
}

/* ---------- Journeys ---------- */
.pwa-journeys {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 20px;
}
.pwa-journey {
  padding: clamp(24px, 3vw, 34px);
  border-radius: 24px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-journey h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  font-size: 20px;
  font-weight: 760;
}
.pwa-journey h3 i {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #eef2ff;
  color: var(--w-blue);
  font-size: 18px;
}
.pwa-journey--pwa h3 i {
  background: var(--w-grad);
  color: #fff;
}
.pwa-journey ol {
  display: grid;
  gap: 12px;
  counter-reset: j;
}
.pwa-journey li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 14px;
  background: var(--w-soft);
  border: 1px solid #e9ecf6;
  color: var(--w-muted);
  font: 700 14.5px/1.35 var(--font-secondary);
  counter-increment: j;
  transition:
    background 0.4s,
    color 0.4s,
    border-color 0.4s,
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.pwa-journey li:before {
  content: counter(j);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-muted);
  font: 800 12px/1 var(--font-secondary);
  transition: inherit;
}
.pwa-journey li:not(:last-child):after {
  content: "";
  position: absolute;
  left: 27px;
  bottom: -13px;
  width: 2px;
  height: 12px;
  background: #d6dcf0;
}
.pwa-journey li.is-on {
  background: #fff;
  border-color: #c7d2fe;
  color: var(--w-ink);
  transform: translateX(4px);
}
.pwa-journey li.is-on:before {
  background: var(--w-ink);
  border-color: var(--w-ink);
  color: #fff;
}
.pwa-journey--pwa li.is-on:before {
  background: var(--w-grad);
  border-color: transparent;
}
/* merge diagram */
.pwa-merge {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-top: 28px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: 28px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-merge h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 780;
  letter-spacing: -0.04em;
  line-height: 1.1;
}
.pwa-merge-vis {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.pwa-merge-from {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.pwa-merge-from span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px dashed #b8c1dc;
  color: var(--w-ink);
  font: 700 13px/1 var(--font-secondary);
  transition:
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.6s;
}
.pwa-merge-from span:nth-child(1) {
  transform: translate(-16px, -6px) rotate(-4deg);
}
.pwa-merge-from span:nth-child(3) {
  transform: translate(16px, -6px) rotate(4deg);
}
.pwa-merge.is-merged .pwa-merge-from span {
  transform: translateY(30px) scale(0.9);
  opacity: 0.45;
}
.pwa-merge-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #eef2ff;
  color: var(--w-blue);
  font-size: 18px;
}
.pwa-merge.is-merged .pwa-merge-arrow {
  animation: pwaBounce 1.4s ease-in-out infinite;
}
@keyframes pwaBounce {
  50% {
    transform: translateY(6px);
  }
}
.pwa-merge-to {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 24px;
  border-radius: 18px;
  background: var(--w-grad);
  color: #fff;
  text-align: center;
  box-shadow: 0 18px 40px rgba(79, 70, 229, 0.3);
  transform: scale(0.85);
  opacity: 0.4;
  transition:
    transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s,
    opacity 0.6s 0.35s;
}
.pwa-merge.is-merged .pwa-merge-to {
  transform: none;
  opacity: 1;
}
.pwa-merge-to strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 800 16px/1.2 var(--font-secondary);
}
.pwa-merge-to small {
  font: 600 12px/1 var(--font-secondary);
  opacity: 0.85;
}

/* ---------- Stores ---------- */
.pwa-stores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pwa-store {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 3.5vw, 38px);
  border-radius: 26px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-store-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.pwa-store-top > i {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--w-ink);
  color: #fff;
  font-size: 24px;
}
.pwa-optional {
  position: relative;
  padding: 7px 12px;
  border-radius: 999px;
  background: #dcfce7;
  color: #047857;
  font: 800 11.5px/1 var(--font-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pwa-store h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 760;
  line-height: 1.25;
}

/* ---------- Comparison table ---------- */
.pwa-table {
  min-width: 720px;
}
.pwa-table th[scope="row"] {
  width: 34%;
}
.pwa-table .pwa-col {
  background: rgba(238, 242, 255, 0.55);
}
.pwa-table thead .pwa-col {
  background: var(--w-grad) !important;
}
.pwa-cell {
  display: inline-block;
  font: 600 13.5px/1.35 var(--font-secondary);
}
.pwa-cell--yes {
  padding: 6px 10px;
  border-radius: 999px;
  background: #dcfce7;
  color: #047857;
  font-weight: 800;
}
.pwa-cell--no {
  padding: 6px 10px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-weight: 800;
}
.pwa-cell--plain {
  color: var(--w-text);
}
.pwa-cell--na {
  color: #b3bacd;
}

/* ---------- Advantages ---------- */
.pwa-adv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pwa-adv {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 3vw, 34px);
  border-radius: 26px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-adv--flow {
  grid-column: 1/-1;
}
.pwa-adv-n {
  display: block;
  font: 800 30px/1 var(--font-primary);
  background: var(--w-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.pwa-adv h3 {
  margin: 12px 0 10px;
  font-size: 20px;
  font-weight: 760;
}
.pwa-adv p {
  color: var(--w-muted);
  font-size: 15px;
  line-height: 1.75;
}
.pwa-adv-vis {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 118px;
  margin-bottom: 22px;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(140deg, #f5f7ff, #f3f0ff);
  border: 1px solid #e9ecf8;
}
.pwa-v-code,
.pwa-v-server,
.pwa-v-rocket {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--w-grad);
  color: #fff;
  font-size: 24px;
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.28);
}
.pwa-v-lines,
.pwa-v-beams {
  display: grid;
  gap: 10px;
}
.pwa-v-lines i,
.pwa-v-beams i {
  display: block;
  width: 60px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #a5b4fc, #c4b5fd);
  position: relative;
  overflow: hidden;
}
.pwa-v-lines i:after,
.pwa-v-beams i:after {
  content: "";
  position: absolute;
  top: -2px;
  left: -12px;
  width: 12px;
  height: 6px;
  border-radius: 3px;
  background: var(--w-violet);
  animation: pwaFlow 1.8s linear infinite;
}
.pwa-v-lines i:nth-child(2):after,
.pwa-v-beams i:nth-child(2):after {
  animation-delay: 0.3s;
}
.pwa-v-lines i:nth-child(3):after,
.pwa-v-beams i:nth-child(3):after {
  animation-delay: 0.6s;
}
@keyframes pwaFlow {
  to {
    left: 100%;
  }
}
.pwa-v-devs {
  display: grid;
  gap: 8px;
}
.pwa-v-devs span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 30px;
  border-radius: 9px;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-blue);
  font-size: 15px;
}
.pwa-v-url {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-ink);
  font: 700 14px/1 var(--font-secondary);
  box-shadow: 0 8px 20px rgba(22, 34, 90, 0.08);
}
.pwa-v-url > i {
  color: var(--w-blue);
}
.pwa-v-url .wds-caret {
  margin-left: 0;
}
.pwa-v-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 15px;
  border-radius: 999px;
  background: #ffd35e;
  color: #1d1c18;
  font: 800 13px/1 var(--font-secondary);
  opacity: 0.35;
  transform: scale(0.9);
  transition:
    opacity 0.4s,
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.pwa-v-install.is-on {
  opacity: 1;
  transform: none;
}
.pwa-v-rocket {
  animation: pwaRocket 2.6s ease-in-out infinite;
}
@keyframes pwaRocket {
  50% {
    transform: translate(4px, -8px) rotate(-6deg);
  }
}
.pwa-v-path {
  display: flex;
  gap: 6px;
}
.pwa-v-path span {
  position: relative;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-ink);
  font: 700 12px/1 var(--font-secondary);
}
.pwa-v-path span:last-child {
  background: var(--w-green);
  border-color: var(--w-green);
  color: #fff;
}
.pwa-v-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 0;
}
.pwa-v-flow li {
  position: relative;
  margin-right: 22px;
  padding: 10px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--w-line);
  color: var(--w-ink);
  font: 700 13px/1 var(--font-secondary);
  animation: pwaGlowStep 7s ease-in-out infinite;
  animation-delay: calc(var(--k) * 1s);
}
.pwa-v-flow li:after {
  content: "\2192";
  position: absolute;
  right: -17px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--w-violet);
  font-weight: 800;
}
.pwa-v-flow li:last-child {
  margin-right: 0;
}
.pwa-v-flow li:last-child:after {
  display: none;
}
.pwa-v-flow li:nth-child(1) {
  --k: 0;
}
.pwa-v-flow li:nth-child(2) {
  --k: 1;
}
.pwa-v-flow li:nth-child(3) {
  --k: 2;
}
.pwa-v-flow li:nth-child(4) {
  --k: 3;
}
.pwa-v-flow li:nth-child(5) {
  --k: 4;
}
.pwa-v-flow li:nth-child(6) {
  --k: 5;
}
.pwa-v-flow li:nth-child(7) {
  --k: 6;
}
@keyframes pwaGlowStep {
  0%,
  10% {
    background: var(--w-ink);
    color: #fff;
    border-color: var(--w-ink);
  }
  16%,
  100% {
    background: #fff;
    color: var(--w-ink);
    border-color: var(--w-line);
  }
}

/* ---------- Android / iOS ---------- */
.pwa-os-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pwa-os {
  padding: clamp(24px, 3.5vw, 38px);
  border-radius: 26px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-os-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.pwa-os-head > i {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border-radius: 16px;
  background: #dcfce7;
  color: #16a34a;
  font-size: 24px;
}
.pwa-os[data-os="ios"] .pwa-os-head > i {
  background: var(--w-ink);
  color: #fff;
}
.pwa-os-head h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  font-weight: 780;
}
.pwa-os-steps {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}
.pwa-os-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--w-soft);
  border: 1px solid #e9ecf6;
  color: var(--w-muted);
  font: 700 14.5px/1.3 var(--font-secondary);
  transition:
    background 0.35s,
    color 0.35s,
    border-color 0.35s,
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s;
}
.pwa-os-steps span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--w-line);
  font: 800 12px/1 var(--font-secondary);
  transition: inherit;
}
.pwa-os-steps li.is-done {
  color: var(--w-ink);
}
.pwa-os-steps li.is-done span {
  background: #dcfce7;
  border-color: #bbf7d0;
  color: #047857;
}
.pwa-os-steps li.is-on {
  background: #fff;
  border-color: #a5b4fc;
  color: var(--w-ink);
  transform: translateX(6px);
  box-shadow: 0 12px 26px rgba(79, 70, 229, 0.14);
}
.pwa-os-steps li.is-on span {
  background: var(--w-grad);
  border-color: transparent;
  color: #fff;
}

/* ---------- Features (navy) ---------- */
.pwa-feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pwa-feat {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 3vw, 32px);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.pwa-feat:before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  background: radial-gradient(
    300px circle at var(--mx, 50%) var(--my, 50%),
    rgba(165, 180, 252, 0.2),
    transparent 70%
  );
}
.pwa-feat:hover:before {
  opacity: 1;
}
.pwa-feat-h {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.pwa-feat-h i {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--w-grad);
  color: #fff;
  font-size: 20px;
}
.pwa-feat-h h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 760;
}
.pwa-feat .wds-ticks li {
  color: #e3e8fb;
  font-size: 14px;
}
.pwa-feat .wds-ticks i {
  color: #86efac;
}

/* ---------- Offline demo ---------- */
.pwa-important {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 16px;
  background: #fffbeb;
  border: 1px solid #fde68a;
}
.pwa-important > i {
  color: #d97706;
  font-size: 20px;
}
.pwa-important p {
  color: #78350f;
  font-size: 14.5px;
  line-height: 1.6;
}
.pwa-offline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.pwa-net-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 5px;
  border-radius: 999px;
  background: var(--w-soft);
  border: 1px solid var(--w-line);
}
.pwa-net-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--w-muted);
  font: 800 13.5px/1 var(--font-secondary);
  cursor: pointer;
  transition:
    background 0.3s,
    color 0.3s;
}
.pwa-net-switch button[aria-pressed="true"] {
  background: var(--w-ink);
  color: #fff;
}
.pwa-offline[data-net="offline"] .pwa-net-switch button[aria-pressed="true"] {
  background: #d97706;
}
.pwa-off-phone {
  position: relative;
  width: min(340px, 100%);
  padding: 18px;
  border-radius: 30px;
  background: #fff;
  border: 1px solid #dfe4f3;
  box-shadow: 0 30px 70px rgba(22, 34, 90, 0.14);
  overflow: hidden;
}
.pwa-off-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  color: var(--w-ink);
  font: 800 17px/1 var(--font-primary);
}
.pwa-sig {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
}
.pwa-sig i {
  width: 5px;
  border-radius: 2px;
  background: var(--w-green);
  transition: background 0.4s;
}
.pwa-sig i:nth-child(1) {
  height: 6px;
}
.pwa-sig i:nth-child(2) {
  height: 11px;
}
.pwa-sig i:nth-child(3) {
  height: 16px;
}
.pwa-offline[data-net="offline"] .pwa-sig i {
  background: #d6dcf0;
}
.pwa-off-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  max-height: 0;
  margin: 0;
  padding: 0 12px;
  overflow: hidden;
  border-radius: 12px;
  background: #fef3c7;
  color: #92400e;
  font: 700 12.5px/1.3 var(--font-secondary);
  transition:
    max-height 0.45s ease,
    padding 0.45s ease,
    margin 0.45s ease;
}
.pwa-off-banner--back {
  background: #dcfce7;
  color: #047857;
}
.pwa-offline[data-net="offline"] .pwa-off-banner:not(.pwa-off-banner--back),
.pwa-offline.is-back .pwa-off-banner--back {
  max-height: 60px;
  margin-bottom: 12px;
  padding: 11px 12px;
}
.pwa-off-phone > p {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 9px !important;
  padding: 12px;
  border-radius: 14px;
  background: var(--w-soft);
  border: 1px solid #e9ecf6;
  color: var(--w-ink);
  font: 700 13.5px/1.2 var(--font-secondary);
  transition:
    opacity 0.4s,
    filter 0.4s;
}
.pwa-off-phone > p > i {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 10px;
  background: #fff;
  color: var(--w-blue);
}
.pwa-off-phone > p small {
  display: block;
  margin-top: 3px;
  color: var(--w-muted);
  font-size: 11.5px;
  font-weight: 600;
}
.pwa-off-phone > p em {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border-radius: 7px;
  background: #eef2ff;
  color: var(--w-blue);
  font: 700 10.5px/1 var(--font-secondary);
  font-style: normal;
  opacity: 0;
  transition: opacity 0.4s;
}
.pwa-offline[data-net="offline"] .pwa-off-phone > p em {
  opacity: 1;
}
.pwa-offline[data-net="offline"] .pwa-off-new {
  opacity: 0.5;
  filter: grayscale(1);
}
.pwa-off-new em.lock {
  background: #fef3c7;
  color: #92400e;
}

/* ---------- Equation + principles ---------- */
.pwa-equation {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  max-width: 980px;
  margin: 0 auto;
}
.pwa-equation li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.pwa-equation b {
  color: var(--w-violet);
  font: 800 20px/1 var(--font-primary);
}
.pwa-equation span {
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 10px 24px rgba(22, 34, 90, 0.07);
  color: var(--w-ink);
  font: 700 14.5px/1 var(--font-secondary);
}
.pwa-princ-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.pwa-princ {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 24px 22px;
  border-radius: 22px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
  transition: transform 0.25s;
}
.pwa-princ:hover {
  transform: translateY(-4px);
}
.pwa-princ > i {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: #eef2ff;
  color: var(--w-blue);
  font-size: 20px;
  transition: 0.25s;
}
.pwa-princ:hover > i {
  background: var(--w-grad);
  color: #fff;
}
.pwa-princ h3 {
  margin: 16px 0 8px;
  font-size: 17px;
  font-weight: 740;
}
.pwa-princ p {
  color: var(--w-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- Use cases ---------- */
.pwa-use-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.pwa-use {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 24px 22px;
  border-radius: 22px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}
.pwa-use:hover {
  transform: translateY(-5px);
  box-shadow: 0 26px 54px rgba(79, 70, 229, 0.14);
}
.pwa-use > i {
  color: var(--w-violet);
  font-size: 26px;
}
.pwa-use h3 {
  margin: 14px 0 8px;
  font-size: 16.5px;
  font-weight: 760;
}
.pwa-use p {
  color: var(--w-muted);
  font-size: 13.5px;
  line-height: 1.6;
}
/* spotlight on light cards */
.pwa-adv:before,
.pwa-use:before,
.pwa-princ:before,
.pwa-store:before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  background: radial-gradient(
    260px circle at var(--mx, 50%) var(--my, 50%),
    rgba(99, 102, 241, 0.13),
    transparent 70%
  );
}
.pwa-adv:hover:before,
.pwa-use:hover:before,
.pwa-princ:hover:before,
.pwa-store:hover:before {
  opacity: 1;
}

/* ---------- Process stepper ---------- */
.pwa-stepper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: none;
}
.pwa-stepper li {
  position: relative;
  padding: 26px 24px;
  border-radius: 22px;
  border: 1px solid transparent;
  background: var(--p-glass);
  box-shadow: 0 18px 44px rgba(22, 34, 90, 0.07);
}
.pwa-stepper li:after {
  content: "";
  position: absolute;
  top: 44px;
  right: -21px;
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, #a5b4fc, transparent);
}
.pwa-stepper li:nth-child(4n):after,
.pwa-stepper li:last-child:after {
  display: none;
}
.pwa-stepper span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--w-grad);
  color: #fff;
  font: 800 15px/1 var(--font-primary);
  box-shadow: 0 10px 22px rgba(79, 70, 229, 0.28);
}
.pwa-stepper h3 {
  margin: 18px 0 8px;
  font-size: 17px;
  font-weight: 760;
}
.pwa-stepper p {
  color: var(--w-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- PWA or native ---------- */
.pwa-choice-h {
  margin: 0 0 18px !important;
  color: var(--w-ink) !important;
  font: 780 clamp(1.25rem, 2vw, 1.55rem) / 1.25 var(--font-primary) !important;
  letter-spacing: -0.02em !important;
  text-transform: none !important;
}
.pwa-good {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pwa-good li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border-radius: 999px;
  background: #dcfce7;
  color: #065f46;
  font: 700 13.5px/1 var(--font-secondary);
}
.pwa-choice--native .wds-type-icon {
  background: linear-gradient(120deg, #0f172a, #334155);
}
.pwa-verdict {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  padding: 18px;
  border-radius: 16px;
  background: #eef2ff;
}
.pwa-verdict i {
  color: var(--w-violet);
  font-size: 22px;
}
.pwa-verdict p {
  color: var(--w-ink);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- Why us ---------- */
.pwa-chain {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 0;
  margin-bottom: 34px;
}
.pwa-chain li {
  position: relative;
  margin-right: 28px;
  padding: 12px 16px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e3e8fb;
  font: 700 14px/1 var(--font-secondary);
}
.pwa-chain li:after {
  content: "\2192";
  position: absolute;
  right: -21px;
  top: 50%;
  transform: translateY(-50%);
  color: #a5b4fc;
  font-weight: 800;
}
.pwa-chain li:last-child {
  margin-right: 0;
  background: var(--w-grad);
  border-color: transparent;
  color: #fff;
}
.pwa-chain li:last-child:after {
  display: none;
}
.pwa-get {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(24px, 3.5vw, 38px);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.pwa-get h3 {
  margin-bottom: 20px;
  color: #fff;
  font-size: 20px;
  font-weight: 760;
  text-align: center;
}
.pwa-get ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 20px;
}
.pwa-get li {
  display: flex;
  gap: 9px;
  color: #e3e8fb;
  font: 600 14.5px/1.4 var(--font-secondary);
}
.pwa-get li i {
  color: #86efac;
}

/* ---------- Device trio ---------- */
.pwa-trio {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1.4fr;
  gap: 24px;
  align-items: end;
}
.pwa-dev {
  text-align: center;
}
.pwa-dev h3 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 19px;
  font-weight: 760;
}
.pwa-dev h3 i {
  color: var(--w-blue);
}
.pwa-dev p {
  max-width: 300px;
  margin: 8px auto 0 !important;
  color: var(--w-muted);
  font-size: 14.5px;
  line-height: 1.6;
}
.pwa-dev-frame {
  margin: 0 auto;
  padding: 10px;
  background: var(--w-navy);
  box-shadow: 0 30px 60px rgba(14, 22, 48, 0.2);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.pwa-dev:hover .pwa-dev-frame {
  transform: translateY(-8px);
}
.pwa-dev--mobile .pwa-dev-frame {
  width: 150px;
  height: 290px;
  border-radius: 30px;
}
.pwa-dev--tablet .pwa-dev-frame {
  width: 240px;
  height: 300px;
  border-radius: 24px;
}
.pwa-dev--desktop .pwa-dev-frame {
  width: 100%;
  max-width: 400px;
  height: 250px;
  border-radius: 16px 16px 6px 6px;
}
.pwa-mini {
  display: grid;
  gap: 8px;
  align-content: start;
  height: 100%;
  padding: 12px;
  border-radius: inherit;
  background: #fff;
}
.pwa-dev--mobile .pwa-mini {
  border-radius: 22px;
}
.pwa-dev--tablet .pwa-mini {
  grid-template-columns: 1fr 1fr;
  border-radius: 16px;
}
.pwa-dev--desktop .pwa-mini {
  grid-template-columns: repeat(4, 1fr);
  border-radius: 9px;
}
.pwa-mini b {
  grid-column: 1/-1;
  height: 40px;
  border-radius: 10px;
  background: var(--w-grad);
}
.pwa-mini span {
  height: 56px;
  border-radius: 10px;
  background: linear-gradient(140deg, #e0e7ff, #ede9fe);
  animation: pwaShim 3s ease-in-out infinite;
}
.pwa-mini span:nth-of-type(2) {
  animation-delay: 0.3s;
}
.pwa-mini span:nth-of-type(3) {
  animation-delay: 0.6s;
}
.pwa-mini span:nth-of-type(4) {
  animation-delay: 0.9s;
}
@keyframes pwaShim {
  50% {
    opacity: 0.55;
  }
}
.pwa-mini i {
  grid-column: 1/-1;
  height: 28px;
  border-radius: 999px;
  background: #ffd35e;
}

/* ---------- CTA ---------- */
.pwa-final-eq {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px 0 4px;
}
.pwa-final-eq li {
  position: relative;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font: 700 13.5px/1 var(--font-secondary);
}
.pwa-final-eq li:not(:last-child):after {
  content: "+";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: #a5b4fc;
  font-weight: 800;
}
.pwa-final-eq li:not(:last-child) {
  margin-right: 8px;
}
.pwa-form-h {
  margin-bottom: 4px;
  font-size: 24px;
  font-weight: 780;
  letter-spacing: -0.03em;
}

/* ================= Responsive ================= */
@media (max-width: 1180px) {
  .pwa-princ-grid,
  .pwa-use-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 1100px) {
  .pwa-hero .wds-hero-grid {
    grid-template-columns: 1fr;
  }
  .pwa-platforms {
    justify-content: center;
  }
  .pwa-stepper {
    grid-template-columns: repeat(2, 1fr);
  }
  .pwa-stepper li:after {
    display: none;
  }
}
@media (max-width: 980px) {
  .pwa-journeys,
  .pwa-merge,
  .pwa-stores,
  .pwa-adv-grid,
  .pwa-os-grid,
  .pwa-feat-grid {
    grid-template-columns: 1fr;
  }
  .pwa-journeys > *,
  .pwa-merge > * {
    min-width: 0;
  }
  .pwa-trio {
    grid-template-columns: 1fr 1fr;
  }
  .pwa-dev--desktop {
    grid-column: 1/-1;
  }
  .pwa-get ul {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .pwa-phone {
    width: 236px;
  }
  .pwa-screen {
    height: 440px;
  }
  .pwa-hero .wds-chip {
    display: none;
  }
  .pwa-stage-steps span {
    padding: 7px 9px;
    font-size: 11px;
  }
  .pwa-princ-grid,
  .pwa-use-grid,
  .pwa-stepper,
  .pwa-trio,
  .pwa-get ul {
    grid-template-columns: 1fr;
  }
  .pwa-adv-vis {
    flex-wrap: wrap;
  }
  .pwa-v-url {
    font-size: 12.5px;
  }
  .pwa-v-flow li {
    margin-right: 18px;
    padding: 8px 10px;
    font-size: 12px;
  }
  .pwa-v-flow li:after {
    right: -15px;
  }
  .pwa-merge-from span {
    padding: 9px 11px;
    font-size: 12px;
  }
  .pwa-dev--tablet .pwa-dev-frame {
    width: 220px;
  }
  .pwa-chain li {
    margin-right: 24px;
    padding: 10px 12px;
    font-size: 13px;
  }
  .pwa-chain li:after {
    right: -18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pwa *,
  .pwa *:before,
  .pwa *:after {
    animation: none !important;
  }
  .pwa-merge-from span {
    transform: none !important;
    opacity: 1 !important;
  }
  .pwa-merge-to {
    transform: none;
    opacity: 1;
  }
  .pwa-v-install {
    opacity: 1;
    transform: none;
  }
}