:root {
  --ink: #0c0b33;
  --purple: #743cff;
  --violet: #4e20d6;
  --gold: #ffd23f;
  --pale: #f7f5ff;
  --muted: #a9a6c9;
  --line: #ffffff20;
  --max: 1200px;
}

/* V2 refinement layer */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}
body {
  overflow-x: clip;
}
.hero,
.story,
.security,
.download,
.ecosystem {
  overflow: hidden;
  overflow: clip;
  contain: paint;
}
.hero {
  min-height: 100svh;
}
.hero-visual {
  display: grid;
  place-items: center;
}
.hero-visual picture {
  display: block;
  width: min(100%, 570px);
  transform: translate3d(var(--px, 0), var(--py, 0), 0) rotate(var(--pr, 0deg));
  transition: transform 0.28s ease-out;
}
.hero-asset {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 35px 65px #0009);
}
.phone-shell,
.hero-owl {
  display: none;
}
.orbit {
  width: min(48vw, 580px);
}
.aurora-one {
  right: -2vw;
}
.section,
.story {
  scroll-margin-top: 78px;
}
.story {
  background: #0b082b;
  padding: 34px max(28px, calc((100vw - var(--max)) / 2)) 90px;
}
.story-inner {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 90px;
  align-items: end;
  padding-top: 52px;
  border-top: 1px solid #ffffff18;
  position: relative;
}
.story h2 {
  font-size: clamp(36px, 4vw, 58px);
  line-height: 1.12;
  margin: 0;
}
.story p {
  font-size: 18px;
  line-height: 1.9;
  color: #b7b2cf;
  max-width: 620px;
  margin: 0;
}
.story-line {
  position: absolute;
  right: 0;
  bottom: -45px;
  width: 52%;
  display: flex;
  align-items: center;
}
.story-line span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 18px var(--gold);
}
.story-line i {
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, #ffd64f, #7345ed);
}
.demo-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: #736d91;
  font-size: 12px;
  letter-spacing: 0.12em;
}
.demo-label:before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7650f4;
}
.chat-select {
  font: inherit;
  color: inherit;
  width: 100%;
  border: 0;
  background: transparent;
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 11px;
  padding: 14px 6px;
  border-radius: 10px;
  text-align: left;
  cursor: pointer;
}
.chat-select.active,
.chat-select:hover {
  background: #f4efff;
}
.chat-select > span,
.avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b54ff, #ffcf3b);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.chat-select b {
  font-size: 13px;
}
.chat-select p {
  font-size: 11px;
  color: #89859c;
  margin: 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-select time {
  font-size: 10px;
  color: #aaa6bd;
}
.window-actions {
  color: #716c8d;
}
.audio {
  border: 0;
  padding: 12px 15px;
  background: #f1eff8;
  color: #6f3dec;
  border-radius: 13px;
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
}
.audio i {
  width: 72px;
  height: 18px;
  background: repeating-linear-gradient(
    90deg,
    #7a43ef 0 2px,
    transparent 2px 5px
  );
  transform: scaleY(0.65);
  transition: 0.3s;
}
.audio.playing i {
  animation: wave 0.8s ease-in-out infinite alternate;
}
.composer-form {
  margin: 0 24px 22px;
  padding: 8px 10px 8px 16px;
  border: 1px solid #e7e3f3;
  border-radius: 15px;
  display: flex;
  align-items: center;
}
.composer-form input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  font: inherit;
  font-size: 14px;
}
.composer-form button {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 12px;
  background: #7440ef;
  color: #fff;
  cursor: pointer;
}
.sent-demo {
  animation: messageIn 0.35s ease both;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.ecosystem {
  background: linear-gradient(135deg, #f8f6ff, #fff);
  color: var(--ink);
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 40px;
  min-height: 720px;
}
.ecosystem h2,
.faq h2 {
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.12;
  margin: 0;
}
.ecosystem-copy > p {
  font-size: 17px;
  line-height: 1.8;
  color: #686482;
  max-width: 460px;
}
.ecosystem ol {
  list-style: none;
  padding: 20px 0 0;
  margin: 0;
}
.ecosystem li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid #ded9ef;
  font-weight: 650;
}
.ecosystem li span {
  color: #8158ef;
  font-size: 12px;
  letter-spacing: 0.15em;
}
.devices {
  display: block;
}
.devices img {
  width: 115%;
  height: auto;
  max-width: none;
  filter: drop-shadow(0 35px 45px #39206b24);
}
.faq {
  background: #f8f6ff;
  color: var(--ink);
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 80px;
  padding-top: 100px;
  padding-bottom: 110px;
}
.faq > div > p {
  color: #74708d;
}
.faq-list {
  border-top: 1px solid #d8d3e7;
}
.faq details {
  border-bottom: 1px solid #d8d3e7;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 0;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary span {
  transition: 0.25s;
}
.faq details[open] summary span {
  transform: rotate(45deg);
}
.faq details p {
  margin: 0 0 24px;
  color: #68637f;
  line-height: 1.75;
}
.reveal {
  opacity: 1;
  transform: none;
}
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
}
.js .reveal.visible {
  opacity: 1;
  transform: none;
}
:focus-visible {
  outline: 3px solid #ffdc55;
  outline-offset: 4px;
}
.nav a,
.site-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.menu {
  min-width: 44px;
  min-height: 44px;
}
.launch-note {
  min-height: 22px;
}
.platforms button[aria-pressed="true"] {
  border-color: #ffd952;
  background: #ffffff10;
}
.brand img {
  object-fit: contain;
}
.site-header,
.nav {
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
@keyframes wave {
  to {
    transform: scaleY(1.12);
  }
}
@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}
@media (max-width: 1024px) {
  .story-inner {
    gap: 42px;
  }
  .ecosystem {
    grid-template-columns: 1fr;
    padding-top: 90px;
  }
  .devices img {
    width: 100%;
  }
  .faq {
    gap: 42px;
  }
  .hero-visual picture {
    width: min(100%, 510px);
  }
}
@media (max-width: 768px) {
  .hero {
    padding-top: max(110px, calc(90px + env(safe-area-inset-top)));
    padding-bottom: 40px;
  }
  .hero-visual {
    height: 460px;
  }
  .hero-visual picture {
    width: 330px;
  }
  .story {
    padding: 62px 24px 82px;
  }
  .story-inner,
  .faq {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .story-line {
    width: 100%;
  }
  .product {
    padding-top: 88px;
  }
  .conversation-list {
    display: flex !important;
    overflow-x: auto;
    gap: 8px;
    padding: 12px 14px;
    border: 0;
    scroll-snap-type: x mandatory;
  }
  .conversation-list label {
    display: none;
  }
  .chat-select {
    min-width: 220px;
    scroll-snap-align: start;
  }
  .product-stage {
    display: flex;
    flex-direction: column;
    height: 680px;
  }
  .conversation {
    flex: 1;
    min-height: 0;
  }
  .ecosystem {
    text-align: center;
  }
  .ecosystem-copy > p {
    margin-left: auto;
    margin-right: auto;
  }
  .ecosystem ol {
    max-width: 480px;
    margin: auto;
    text-align: left;
  }
  .security {
    padding-bottom: 90px;
  }
  .faq {
    padding: 80px 24px;
  }
  .site-header {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
}
@media (max-width: 480px) {
  .hero {
    min-height: 100svh;
  }
  .hero h1 {
    font-size: clamp(38px, 11vw, 44px);
  }
  .hero-copy > p {
    font-size: 16px;
    margin: 20px 0 24px;
  }
  .hero-actions {
    gap: 10px;
  }
  .button-primary {
    height: 50px;
  }
  .button-ghost {
    height: 44px;
    border: 0;
  }
  .hero-visual {
    height: 390px;
    margin-top: 5px;
  }
  .hero-visual picture {
    width: 290px;
  }
  .story {
    margin-top: 0;
  }
  .story-inner {
    text-align: center;
  }
  .story p {
    font-size: 16px;
  }
  .product-stage {
    height: 650px;
  }
  .conversation-list {
    display: flex !important;
  }
  .message-area {
    padding: 16px;
  }
  .sunset {
    width: 190px;
  }
  .ecosystem {
    padding-left: 20px;
    padding-right: 20px;
  }
  .devices img {
    width: 116%;
    margin-left: -8%;
  }
  .download-art:before {
    width: min(92vw, 390px);
    height: min(92vw, 390px);
  }
  .globe-line {
    width: 120vw;
  }
  .platforms button {
    min-height: 72px;
  }
  .site-footer {
    padding-bottom: max(28px, env(safe-area-inset-bottom));
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
  .reveal,
  * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .hero-visual picture {
    transform: none !important;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: #080723;
  color: #fff;
  font-family:
    "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 82px;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  gap: 48px;
  transition: 0.35s;
  background: linear-gradient(#09082bd9, transparent);
}
.site-header.scrolled {
  height: 68px;
  background: #09082ae8;
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand {
  width: 154px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand img {
  width: 56px;
  height: 48px;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
}
.brand strong {
  font-size: 24px;
  letter-spacing: -0.06em;
  white-space: nowrap;
}
.brand i {
  color: var(--gold);
  font-style: normal;
}
.nav {
  display: flex;
  gap: 42px;
  margin: auto;
}
.nav a {
  font-size: 15px;
  letter-spacing: 0.12em;
  color: #dcd9f0;
  position: relative;
}
.nav a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -10px;
  height: 2px;
  background: var(--gold);
  transition: 0.25s;
}
.nav a:hover:after {
  right: 0;
}
.header-cta {
  border: 1px solid #ffe065;
  border-radius: 999px;
  padding: 10px 25px;
  color: #ffe065;
  font-weight: 700;
}
.menu {
  display: none;
}
.hero {
  min-height: 820px;
  padding: 150px max(28px, calc((100vw - var(--max)) / 2)) 90px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at 80% 35%, #5e24d95e, transparent 33%),
    linear-gradient(145deg, #0a0a39, #11052f 60%, #07071f);
}
.hero:after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(transparent, #080723);
}
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  z-index: -1;
}
.aurora-one {
  width: 580px;
  height: 80px;
  background: #703cff;
  right: -80px;
  top: 250px;
  transform: rotate(-18deg);
}
.aurora-two {
  width: 420px;
  height: 40px;
  background: #ffd541;
  right: 40px;
  top: 450px;
  transform: rotate(-18deg);
  opacity: 0.28;
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.hero h1 {
  font-size: clamp(50px, 5.3vw, 78px);
  line-height: 1.12;
  letter-spacing: -0.045em;
  margin: 0;
}
.hero h1 span {
  color: #f3efff;
}
.hero-copy > p {
  font-size: 21px;
  color: #c4c0db;
  margin: 28px 0 38px;
  letter-spacing: 0.035em;
}
.hero-actions {
  display: flex;
  gap: 18px;
}
.button {
  height: 54px;
  padding: 0 29px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
}
.button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}
.button-primary {
  background: linear-gradient(110deg, #ffe66c, #ffc62f);
  color: #20110b;
  box-shadow: 0 12px 36px #ffc82c31;
}
.button-ghost {
  border: 1px solid #956dff;
  color: #e8e1ff;
}
.hero-visual {
  height: 620px;
  position: relative;
}
.hero-owl {
  position: absolute;
  width: 390px;
  height: 430px;
  object-fit: cover;
  right: 280px;
  bottom: 42px;
  border-radius: 45% 45% 34% 34%;
  filter: drop-shadow(0 25px 40px #0008);
}
.phone-shell {
  position: absolute;
  z-index: 3;
  width: 296px;
  height: 590px;
  right: 35px;
  top: 0;
  padding: 12px;
  border: 2px solid #9d82ff;
  border-radius: 48px;
  background: linear-gradient(145deg, #3e3272, #0e0c28);
  box-shadow:
    0 35px 80px #000a,
    0 0 45px #8e5fff45;
  transform: rotate(4deg);
}
.phone-top {
  position: absolute;
  z-index: 4;
  width: 105px;
  height: 25px;
  border-radius: 18px;
  background: #080817;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
}
.phone-screen {
  height: 100%;
  border-radius: 36px;
  padding: 40px 17px 20px;
  background: linear-gradient(#2d146d, #160b43);
  overflow: hidden;
}
.chat-head {
  display: flex;
  justify-content: space-between;
  font-size: 22px;
}
.chat-head i,
.mini-brand i {
  font-style: normal;
  color: var(--gold);
}
.chat-person {
  margin: 22px 0;
  color: #fff;
}
.chat-person span {
  display: block;
  color: #73e89c;
  font-size: 11px;
}
.bubble {
  width: max-content;
  max-width: 88%;
  padding: 12px 14px;
  border-radius: 15px;
  margin: 13px 0;
  font-size: 13px;
}
.bubble.other {
  background: #ffffff17;
}
.bubble.mine {
  background: #7d3cff;
  margin-left: auto;
}
.voice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #ffffff12;
  border-radius: 15px;
  width: 80%;
}
.voice em {
  height: 15px;
  flex: 1;
  background: repeating-linear-gradient(
    90deg,
    #a883ff 0 2px,
    transparent 2px 5px
  );
}
.composer {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 30px;
  padding: 13px;
  border-radius: 18px;
  background: #fff;
  color: #8a85a2;
  font-size: 12px;
}
.composer b {
  float: right;
  color: var(--purple);
}
.orbit {
  position: absolute;
  border: 1px solid #a880ff52;
  border-radius: 50%;
  right: 0;
  top: 110px;
  width: 580px;
  height: 280px;
  transform: rotate(-18deg);
}
.orbit-b {
  transform: rotate(18deg);
  border-color: #ffd95e45;
}
.scroll-cue {
  position: absolute;
  z-index: 4;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: #8d89ae;
}
.scroll-cue span {
  display: block;
  width: 1px;
  height: 30px;
  background: #8d89ae;
  margin: 10px auto 0;
}
.section {
  padding: 120px max(28px, calc((100vw - var(--max)) / 2));
}
.product {
  background: linear-gradient(135deg, #fff, #f3efff);
  color: var(--ink);
}
.section-heading {
  max-width: 650px;
  margin-bottom: 56px;
}
.section-heading h2,
.security h2,
.download h2 {
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.18;
  letter-spacing: -0.045em;
  margin: 0;
}
.section-heading p,
.security-copy p,
.download-copy > p {
  font-size: 18px;
  line-height: 1.8;
  color: #646181;
}
.product-stage {
  height: 610px;
  display: grid;
  grid-template-columns: 150px 300px 1fr;
  border: 1px solid #dfd9f4;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 30px 80px #3c287b1c;
}
.product-side {
  padding: 28px 18px;
  background: #faf9ff;
  border-right: 1px solid #ece9f8;
}
.mini-brand {
  font-size: 20px;
  font-weight: 900;
  margin: 0 12px 36px;
}
.product-side button {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 12px;
  text-align: left;
  border-radius: 10px;
  color: #716c8d;
}
.product-side .active {
  background: #efe8ff;
  color: #6630eb;
}
.conversation-list {
  padding: 25px 18px;
  border-right: 1px solid #ece9f8;
}
.conversation-list label {
  display: block;
  background: #f5f3fb;
  padding: 12px;
  border-radius: 10px;
  color: #9a96ae;
  font-size: 12px;
  margin-bottom: 16px;
}
.conversation-list article {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 11px;
  padding: 14px 6px;
  border-radius: 10px;
}
.conversation-list article:first-of-type {
  background: #f4efff;
}
.conversation-list article > span,
.avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #8b54ff, #ffcf3b);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.conversation-list b {
  font-size: 13px;
}
.conversation-list p {
  font-size: 11px;
  color: #89859c;
  margin: 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.conversation-list time {
  font-size: 10px;
  color: #aaa6bd;
}
.conversation {
  display: flex;
  flex-direction: column;
}
.conversation > header {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 19px 24px;
  border-bottom: 1px solid #efedf7;
}
.conversation > header p {
  margin: 0;
  flex: 1;
}
.conversation > header span {
  display: block;
  font-size: 10px;
  color: #4fc778;
}
.message-area {
  padding: 30px;
  flex: 1;
  background: linear-gradient(145deg, #fff, #fbfaff);
}
.message-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 12px 0;
}
.message-row p {
  padding: 12px 15px;
  background: #f1eff8;
  border-radius: 13px;
  margin: 0;
  font-size: 13px;
}
.message-row.right {
  justify-content: flex-end;
}
.message-row.right p {
  background: #743cff;
  color: #fff;
}
.sunset {
  margin: 15px 0 15px auto;
  width: 260px;
  height: 125px;
  border-radius: 16px;
  background: linear-gradient(#6550c7, #ff9f68 58%, #34234c);
  position: relative;
  overflow: hidden;
}
.sunset:after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #ffe063;
  left: 55%;
  top: 34%;
  box-shadow: 0 0 30px #ffdb55;
}
.sunset span {
  position: absolute;
  z-index: 2;
  bottom: 10px;
  left: 12px;
  color: #fff;
  font-size: 11px;
}
.audio {
  color: #6f3dec;
}
.conversation > footer {
  margin: 0 24px 22px;
  padding: 13px 16px;
  border: 1px solid #e7e3f3;
  border-radius: 15px;
  color: #a19daf;
}
.conversation > footer b {
  float: right;
  color: #7240ec;
}
.security {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1fr 0.8fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  background:
    radial-gradient(circle at 50% 45%, #692ddd6b, transparent 32%),
    linear-gradient(120deg, #09072e, #14054a 55%, #08072b);
}
.security-copy p {
  color: #b9b4d0;
  max-width: 420px;
}
.security-owl {
  position: relative;
}
.security-owl img {
  width: 100%;
  border-radius: 45%;
  filter: drop-shadow(0 24px 45px #000a);
}
.shield {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 90px;
  height: 105px;
  left: 50%;
  bottom: 45px;
  transform: translateX(-50%);
  background: linear-gradient(#ffe673, #f5a50d);
  color: #3b1d02;
  font-size: 36px;
  clip-path: polygon(50% 0, 92% 18%, 86% 76%, 50% 100%, 14% 76%, 8% 18%);
  filter: drop-shadow(0 0 20px #ffbf35);
}
.shield svg {
  width: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}
.principles article {
  display: flex;
  gap: 18px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}
.principles article > span {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border: 1px solid #8755fa;
  border-radius: 50%;
  display: grid;
  place-items: center;
}
.principles svg {
  width: 25px;
  fill: none;
  stroke: #c6b0ff;
  stroke-width: 1.6;
}
.principles h3 {
  margin: 0 0 6px;
  font-size: 20px;
}
.principles p {
  margin: 0;
  color: #a6a0c1;
  line-height: 1.6;
  font-size: 14px;
}
.download {
  min-height: 720px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
  background:
    radial-gradient(circle at 15% 50%, #7031e34f, transparent 33%), #0a082c;
}
.download-art {
  height: 560px;
  position: relative;
  display: grid;
  place-items: center;
}
.download-art:before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border: 1px solid #8752ff45;
  border-radius: 50%;
  box-shadow: 0 0 70px #713aff35 inset;
}
.download-art img {
  z-index: 2;
  height: 520px;
  width: 312px;
  object-fit: cover;
  border-radius: 34px;
  filter: drop-shadow(0 28px 45px #000b);
}
.globe-line {
  position: absolute;
  bottom: 20px;
  width: 620px;
  height: 180px;
  border-radius: 50%;
  border-top: 2px solid #d09cff;
  box-shadow: 0 -12px 35px #8e44ff;
}
.download h2 span {
  color: #ffdc62;
}
.download-copy > p {
  color: #b5b0ca;
}
.platforms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 32px;
}
.platforms button {
  height: 72px;
  border: 1px solid #6b4db1;
  background: #ffffff07;
  color: #fff;
  border-radius: 14px;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  text-align: left;
  cursor: pointer;
  transition: 0.25s;
}
.platforms button:hover {
  border-color: #b98aff;
  background: #ffffff0d;
  transform: translateY(-2px);
}
.platforms b {
  font-size: 16px;
}
.platforms em {
  font-style: normal;
  font-size: 11px;
  color: #bbb5cf;
}
.launch-note {
  font-size: 13px !important;
  margin-top: 18px;
}
.site-footer {
  min-height: 120px;
  padding: 28px max(28px, calc((100vw - var(--max)) / 2));
  display: flex;
  align-items: center;
  gap: 60px;
  border-top: 1px solid var(--line);
  background: #080722;
}
.footer-brand {
  width: 148px;
  height: 52px;
}
.site-footer nav {
  display: flex;
  gap: 35px;
  color: #bbb6d3;
}
.site-footer p {
  margin-left: auto;
  color: #7f7a9b;
  font-size: 13px;
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 900px) {
  .site-header {
    height: 68px;
    gap: 16px;
  }
  .brand {
    width: 106px;
    height: 46px;
  }
  .header-cta {
    display: none;
  }
  .menu {
    display: block;
    margin-left: auto;
    width: 40px;
    height: 40px;
    border: 0;
    background: transparent;
  }
  .menu span {
    display: block;
    width: 22px;
    height: 1px;
    background: #fff;
    margin: 7px auto;
  }
  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 16px;
    right: 16px;
    padding: 22px;
    background: #13103bed;
    border: 1px solid var(--line);
    border-radius: 16px;
    backdrop-filter: blur(15px);
    flex-direction: column;
    gap: 20px;
  }
  .nav.open {
    display: flex;
  }
  .hero {
    min-height: auto;
    padding-top: 120px;
    grid-template-columns: 1fr;
  }
  .hero-copy {
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    height: 570px;
    margin-top: 35px;
  }
  .hero-owl {
    width: 300px;
    height: 335px;
    right: 45%;
    bottom: 70px;
  }
  .phone-shell {
    right: 8%;
    transform: rotate(3deg) scale(0.86);
  }
  .product-stage {
    height: auto;
    grid-template-columns: 110px 1fr;
  }
  .conversation-list {
    display: none;
  }
  .security {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 25px;
  }
  .security-copy p {
    margin-left: auto;
    margin-right: auto;
  }
  .security-owl {
    max-width: 310px;
    margin: auto;
  }
  .principles {
    text-align: left;
    max-width: 520px;
    margin: auto;
  }
  .download {
    grid-template-columns: 1fr;
  }
  .download-art {
    order: 2;
  }
  .download-copy {
    text-align: center;
  }
  .site-footer {
    flex-wrap: wrap;
  }
  .site-footer p {
    width: 100%;
    margin: 0;
  }
}
@media (max-width: 600px) {
  .hero {
    padding-left: 20px;
    padding-right: 20px;
  }
  .hero h1 {
    font-size: 42px;
  }
  .hero-copy > p {
    font-size: 17px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .button {
    width: 210px;
    justify-content: center;
  }
  .hero-visual {
    height: 470px;
  }
  .phone-shell {
    width: 240px;
    height: 480px;
    right: 0;
  }
  .hero-owl {
    width: 240px;
    height: 280px;
    right: 42%;
    bottom: 40px;
  }
  .scroll-cue {
    display: none;
  }
  .section {
    padding: 82px 20px;
  }
  .section-heading {
    text-align: center;
  }
  .product-stage {
    grid-template-columns: 1fr;
    height: 550px;
  }
  .product-side {
    display: none;
  }
  .message-area {
    padding: 20px;
  }
  .sunset {
    width: 220px;
  }
  .security {
    padding-top: 90px;
  }
  .download {
    gap: 30px;
  }
  .download-art {
    height: 430px;
  }
  .download-art img {
    height: 400px;
    width: 240px;
  }
  .download-art:before {
    width: 400px;
    height: 400px;
  }
  .globe-line {
    width: 460px;
  }
  .platforms {
    grid-template-columns: 1fr;
  }
  .site-footer {
    justify-content: center;
    text-align: center;
    gap: 22px;
  }
  .site-footer nav {
    width: 100%;
    justify-content: center;
  }
}