:root {
  color-scheme: dark;
  --bg: #0b0d17;
  --bg-deep: #070a12;
  --surface: rgba(24, 25, 43, 0.76);
  --surface-solid: #18192b;
  --surface-soft: rgba(255, 255, 255, 0.045);
  --ink: #f7f6ff;
  --muted: #9498ae;
  --muted-strong: #c1c3d2;
  --line: rgba(255, 255, 255, 0.1);
  --line-bright: rgba(255, 255, 255, 0.17);
  --violet: #8c58ff;
  --violet-bright: #ae8bff;
  --violet-pale: #dacaff;
  --mint: #4ddbc0;
  --blue: #58a8ff;
  --amber: #f1b966;
  --max: 1240px;
  --side: clamp(24px, 5vw, 72px);
  font-family:
    Inter, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei",
    system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: min(320px, 100%);
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background:
    radial-gradient(circle at 13% 9%, rgba(130, 75, 238, 0.19), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(39, 160, 175, 0.13), transparent 31%),
    radial-gradient(circle at 58% 73%, rgba(86, 53, 168, 0.12), transparent 33%),
    linear-gradient(145deg, #151022 0%, #0c1220 42%, #071117 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -3;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 64%);
  content: "";
  pointer-events: none;
}

body::after {
  position: fixed;
  z-index: -2;
  inset: 0;
  opacity: 0.38;
  background:
    repeating-radial-gradient(circle at 25% 25%, transparent 0 2px, rgba(255, 255, 255, 0.018) 3px 4px);
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #111;
  background: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.ambient-one {
  top: 13vh;
  left: -12vw;
  width: 32vw;
  height: 32vw;
  background: rgba(132, 75, 245, 0.11);
}

.ambient-two {
  right: -15vw;
  bottom: 15vh;
  width: 38vw;
  height: 38vw;
  background: rgba(49, 202, 180, 0.075);
}

.site-header {
  position: relative;
  z-index: 100;
  display: flex;
  width: min(calc(100% - (var(--side) * 2)), var(--max));
  height: 96px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  font-weight: 680;
  letter-spacing: -0.025em;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 26px rgba(110, 73, 222, 0.28);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted-strong);
  font-size: 13px;
}

.site-header nav a {
  transition: color 160ms ease;
}

.site-header nav a:hover {
  color: #fff;
}

.site-header .nav-download {
  padding: 9px 18px;
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.055);
}

.section-kicker,
.story-index {
  margin: 0;
  color: var(--violet-bright);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  width: min(calc(100% - (var(--side) * 2)), var(--max));
  min-height: calc(100vh - 96px);
  margin: 0 auto;
  padding: clamp(48px, 7vh, 92px) 0 88px;
  grid-template-columns: minmax(380px, 0.82fr) minmax(590px, 1.18fr);
  align-items: center;
  gap: clamp(42px, 5vw, 82px);
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.hero h1 {
  margin: 17px 0 0;
  font-size: clamp(78px, 8.1vw, 122px);
  font-weight: 650;
  line-height: 0.92;
  letter-spacing: -0.078em;
}

.hero h1 {
  background: linear-gradient(142deg, #fff 14%, #e8e0ff 53%, #9d78ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.hero-lead {
  max-width: 480px;
  margin: 34px 0 0;
  color: var(--muted-strong);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.75;
  letter-spacing: -0.015em;
}

.hero-actions {
  display: flex;
  margin-top: 38px;
  align-items: center;
  gap: 24px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 650;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: rgba(255, 255, 255, 0.18);
  background: linear-gradient(125deg, #7741ed, #9b63ff 62%, #8054e8);
  box-shadow: 0 18px 45px rgba(110, 62, 223, 0.3);
}

.button-primary:hover {
  box-shadow: 0 22px 55px rgba(110, 62, 223, 0.42);
}

.text-link {
  color: var(--muted-strong);
  font-size: 13px;
  transition: color 160ms ease;
}

.text-link:hover {
  color: #fff;
}

.hero-signals {
  display: flex;
  margin: 42px 0 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 12px 20px;
  color: var(--muted);
  font-size: 11px;
  list-style: none;
}

.hero-signals li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-signals i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px rgba(77, 219, 192, 0.8);
}

.hero-visual {
  position: relative;
  min-height: 735px;
}

.visual-halo {
  position: absolute;
  top: 12%;
  left: 9%;
  width: 480px;
  height: 480px;
  border: 1px solid rgba(168, 130, 255, 0.15);
  border-radius: 50%;
  background:
    radial-gradient(circle at 43% 42%, rgba(145, 90, 255, 0.26), transparent 54%),
    radial-gradient(circle at 70% 69%, rgba(59, 211, 186, 0.12), transparent 33%);
  box-shadow:
    0 0 120px rgba(107, 58, 215, 0.18),
    inset 0 0 90px rgba(255, 255, 255, 0.025);
}

.visual-halo::before,
.visual-halo::after {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 50%;
  content: "";
}

.visual-halo::before {
  inset: 12%;
}

.visual-halo::after {
  inset: 28%;
}

.phone-view {
  position: absolute;
  z-index: 2;
  top: 18px;
  left: 125px;
  width: min(44%, 320px);
  aspect-ratio: 9 / 20;
  overflow: hidden;
  border: 5px solid rgba(232, 227, 255, 0.72);
  border-radius: 38px;
  background: #0b0c16;
  box-shadow:
    0 38px 100px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 0 80px rgba(128, 78, 241, 0.22);
}

.phone-view::before {
  position: absolute;
  z-index: 5;
  top: 8px;
  left: 50%;
  width: 66px;
  height: 17px;
  border-radius: 999px;
  background: rgba(4, 5, 10, 0.93);
  content: "";
  transform: translateX(-50%);
}

.app-shot {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease;
}

.app-shot.is-active {
  opacity: 1;
  pointer-events: auto;
}

.app-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: auto;
}

.app-shot figcaption {
  position: absolute;
  z-index: 4;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: #e8e3f8;
  background: rgba(10, 11, 20, 0.74);
  font-size: 10px;
  backdrop-filter: blur(12px);
}

.proactive-notification {
  position: absolute;
  z-index: 4;
  top: 70px;
  left: -20px;
  display: flex;
  width: min(330px, 54%);
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  align-items: center;
  gap: 12px;
  background:
    linear-gradient(135deg, rgba(48, 43, 69, 0.96), rgba(23, 27, 42, 0.91));
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(24px);
}

.proactive-notification img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 12px;
}

.proactive-notification div {
  min-width: 0;
}

.proactive-notification span {
  display: block;
  margin-bottom: 4px;
  color: var(--violet-pale);
  font-size: 10px;
}

.proactive-notification strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  font-weight: 560;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screen-switcher {
  position: absolute;
  z-index: 3;
  top: 210px;
  right: 0;
  display: grid;
  width: 172px;
  gap: 8px;
}

.screen-switcher button {
  display: grid;
  min-height: 58px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 17px;
  grid-template-columns: 30px 1fr;
  align-items: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  font: inherit;
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease, transform 180ms ease;
}

.screen-switcher button:hover {
  color: #fff;
  transform: translateX(-3px);
}

.screen-switcher button[aria-selected="true"] {
  border-color: rgba(164, 125, 255, 0.42);
  color: #fff;
  background: linear-gradient(115deg, rgba(130, 78, 245, 0.22), rgba(255, 255, 255, 0.055));
}

.screen-switcher button span {
  color: var(--violet-bright);
  font-size: 10px;
}

.source-note {
  position: absolute;
  right: 2px;
  bottom: 68px;
  margin: 0;
  color: rgba(196, 199, 215, 0.56);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.statement {
  width: min(calc(100% - (var(--side) * 2)), 980px);
  margin: 0 auto;
  padding: clamp(150px, 18vw, 230px) 0 clamp(120px, 15vw, 190px);
  text-align: center;
}

.statement h2,
.story-copy h2,
.health-heading h2,
.capabilities-heading h2 {
  margin: 22px 0 0;
  font-size: clamp(47px, 6.2vw, 82px);
  font-weight: 620;
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.statement h2 {
  background: linear-gradient(115deg, #fff 12%, #ded4ff 58%, #91e3d4 118%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.statement > p:last-child {
  max-width: 650px;
  margin: 32px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.proactive-story,
.memory-story,
.control-section {
  display: grid;
  width: min(calc(100% - (var(--side) * 2)), var(--max));
  margin: 0 auto;
  align-items: center;
  gap: clamp(54px, 8vw, 112px);
}

.proactive-story {
  min-height: 780px;
  grid-template-columns: 0.78fr 1.22fr;
}

.story-copy h2 {
  margin-top: 18px;
  font-size: clamp(38px, 4.4vw, 60px);
  line-height: 1.16;
}

.story-copy > p:last-of-type {
  max-width: 510px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.context-map {
  position: relative;
  display: grid;
  min-height: 500px;
  padding: 46px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    radial-gradient(circle at 50% 45%, rgba(135, 79, 249, 0.18), transparent 40%),
    rgba(22, 23, 39, 0.72);
  grid-template-columns: 150px 40px 180px 40px minmax(170px, 1fr);
  align-items: center;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(24px);
}

.context-map::before {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image: radial-gradient(rgba(255, 255, 255, 0.22) 0.8px, transparent 0.8px);
  background-size: 18px 18px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 72%);
  content: "";
}

.context-sources {
  position: relative;
  display: grid;
  gap: 10px;
}

.context-sources span {
  display: flex;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  align-items: center;
  gap: 9px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.04);
  font-size: 11px;
}

.context-sources i,
.control-points i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.dot-violet {
  background: var(--violet-bright);
  box-shadow: 0 0 12px var(--violet);
}

.dot-blue {
  background: var(--blue);
  box-shadow: 0 0 12px var(--blue);
}

.dot-mint {
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
}

.dot-amber {
  background: var(--amber);
  box-shadow: 0 0 12px var(--amber);
}

.context-line {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(152, 106, 255, 0.8));
}

.context-line i {
  position: absolute;
  top: 50%;
  right: -2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet-bright);
  box-shadow: 0 0 18px var(--violet);
  transform: translateY(-50%);
}

.context-line-out {
  background: linear-gradient(90deg, rgba(152, 106, 255, 0.8), rgba(77, 219, 192, 0.7));
}

.context-line-out i {
  background: var(--mint);
  box-shadow: 0 0 18px var(--mint);
}

.context-core {
  position: relative;
  display: flex;
  aspect-ratio: 1;
  border: 1px solid rgba(173, 137, 255, 0.3);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background:
    radial-gradient(circle at 40% 35%, rgba(159, 106, 255, 0.35), rgba(45, 36, 79, 0.7) 58%, rgba(25, 24, 42, 0.9));
  box-shadow:
    0 0 70px rgba(128, 75, 232, 0.3),
    inset 0 0 50px rgba(255, 255, 255, 0.025);
}

.context-core span {
  color: var(--violet-pale);
  font-size: 10px;
}

.context-core strong {
  margin-top: 7px;
  font-size: 17px;
}

.context-core small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 8px;
}

.outgoing-card {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(78, 218, 191, 0.18);
  border-radius: 20px;
  background: rgba(14, 28, 33, 0.76);
}

.outgoing-card > div {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #9be8d8;
  font-size: 9px;
}

.outgoing-card img {
  width: 32px;
  height: 32px;
  border-radius: 10px;
}

.outgoing-card p {
  margin: 17px 0 0;
  font-size: 14px;
  line-height: 1.7;
}

.memory-story {
  min-height: 820px;
  grid-template-columns: 1.1fr 0.9fr;
}

.memory-visual {
  position: relative;
  padding: clamp(36px, 5vw, 66px);
  border: 1px solid var(--line);
  border-radius: 38px;
  background:
    radial-gradient(circle at 22% 10%, rgba(85, 182, 255, 0.12), transparent 34%),
    radial-gradient(circle at 82% 90%, rgba(142, 80, 255, 0.2), transparent 36%),
    rgba(21, 23, 39, 0.75);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.27);
  backdrop-filter: blur(22px);
}

.memory-day {
  width: 82%;
  margin-left: auto;
  padding: 22px 24px;
  border: 1px solid rgba(165, 125, 255, 0.2);
  border-radius: 22px 22px 7px 22px;
  background: linear-gradient(125deg, rgba(121, 70, 234, 0.64), rgba(148, 91, 245, 0.5));
}

.memory-day span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 10px;
}

.memory-day p {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.6;
}

.memory-trace {
  display: grid;
  width: 70%;
  height: 95px;
  margin: 0 auto;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 9px;
}

.memory-trace i {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(157, 112, 255, 0.5));
}

.memory-trace i:last-child {
  background: linear-gradient(90deg, rgba(157, 112, 255, 0.5), transparent);
}

.memory-day-auri {
  margin-right: auto;
  margin-left: 0;
  border-color: rgba(255, 255, 255, 0.09);
  border-radius: 22px 22px 22px 7px;
  background: rgba(32, 34, 53, 0.9);
}

.health-section {
  width: min(calc(100% - (var(--side) * 2)), 1320px);
  margin: clamp(110px, 14vw, 180px) auto 0;
  padding: clamp(58px, 7vw, 94px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 48px;
  background:
    radial-gradient(circle at 5% 7%, rgba(76, 216, 191, 0.13), transparent 29%),
    radial-gradient(circle at 92% 16%, rgba(137, 80, 247, 0.2), transparent 33%),
    rgba(20, 22, 37, 0.76);
  box-shadow: 0 44px 130px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(22px);
}

.health-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: 60px;
}

.health-heading h2 {
  font-size: clamp(46px, 5.6vw, 72px);
}

.health-heading > p {
  max-width: 460px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.health-gallery {
  display: grid;
  margin-top: 70px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 30px);
}

.health-card {
  margin: 0;
  min-width: 0;
}

.health-screen {
  position: relative;
  aspect-ratio: 9 / 18.15;
  overflow: hidden;
  border: 4px solid rgba(219, 218, 235, 0.5);
  border-radius: 32px;
  background: #090b13;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.38),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.health-screen img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  image-rendering: auto;
}

.health-card-focus .health-screen img {
  object-position: center center;
}

.health-card figcaption {
  display: grid;
  margin-top: 18px;
  grid-template-columns: 28px 1fr;
  align-items: baseline;
}

.health-card figcaption span {
  color: var(--violet-bright);
  font-size: 10px;
}

.health-card figcaption strong {
  font-size: 14px;
}

.health-card figcaption small {
  grid-column: 2;
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}

.control-section {
  min-height: 900px;
  grid-template-columns: 0.95fr 1.05fr;
}

.control-shot {
  position: relative;
  width: min(100%, 440px);
  height: 690px;
  margin: 0 auto;
  overflow: hidden;
  border: 4px solid rgba(225, 220, 242, 0.56);
  border-radius: 38px;
  background: #090b14;
  box-shadow: 0 36px 100px rgba(0, 0, 0, 0.44);
}

.control-shot img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  image-rendering: auto;
}

.control-glow {
  position: absolute;
  top: 26%;
  left: 50%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(139, 83, 250, 0.38);
  filter: blur(90px);
  transform: translateX(-50%);
}

.control-points {
  display: grid;
  margin-top: 34px;
  gap: 13px;
  color: var(--muted-strong);
  font-size: 12px;
}

.control-points span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.control-points i {
  background: var(--mint);
  box-shadow: 0 0 12px rgba(77, 219, 192, 0.65);
}

.site-footer {
  display: grid;
  width: min(calc(100% - (var(--side) * 2)), var(--max));
  min-height: 112px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 11px;
}

.site-footer p {
  margin: 0;
}

.site-footer p:last-child {
  justify-self: end;
}

.footer-brand {
  color: var(--ink);
  font-size: 15px;
}

.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

/* Download */
.download-page {
  min-height: 100vh;
}

.download-shell {
  position: relative;
  display: grid;
  width: min(calc(100% - (var(--side) * 2)), 1080px);
  min-height: calc(100vh - 202px);
  margin: 0 auto;
  place-items: center;
}

.download-support {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.download-error {
  display: none;
  margin: 15px 0 0;
  color: #f1b7bc;
  font-size: 11px;
}

.download-error.is-visible {
  display: block;
}

.download-error button {
  padding: 0;
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.noscript-download {
  display: inline-block;
  margin-left: 14px;
  color: var(--muted-strong);
  font-size: 12px;
  text-decoration: underline;
}

.download-qr {
  position: absolute;
  right: 0;
  bottom: 28px;
  display: flex;
  padding: 12px 15px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  align-items: center;
  gap: 13px;
  background: rgba(24, 22, 36, 0.64);
  backdrop-filter: blur(18px);
}

.download-qr img {
  display: block;
  width: 56px;
  height: 56px;
  border-radius: 10px;
  image-rendering: pixelated;
}

.download-qr div {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.download-qr strong {
  font-size: 11px;
}

.download-qr span {
  color: var(--muted);
  font-size: 9px;
}

.download-footer {
  min-height: 112px;
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: minmax(350px, 0.8fr) minmax(520px, 1.2fr);
    gap: 28px;
  }

  .phone-view {
    left: 92px;
  }

  .screen-switcher {
    width: 150px;
  }

  .context-map {
    padding: 34px;
    grid-template-columns: 130px 26px 154px 26px minmax(150px, 1fr);
  }
}

@media (max-width: 920px) {
  .site-header {
    height: 78px;
  }

  .site-header nav a:not(.nav-download) {
    display: none;
  }

  .hero {
    min-height: 0;
    padding-top: 64px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-lead {
    margin-right: auto;
    margin-left: auto;
  }

  .hero-actions,
  .hero-signals {
    justify-content: center;
  }

  .hero-visual {
    width: min(100%, 660px);
    margin: 40px auto 0;
  }

  .phone-view {
    left: 50%;
    width: 310px;
    transform: translateX(-50%);
  }

  .proactive-notification {
    left: 6px;
  }

  .screen-switcher {
    right: 8px;
  }

  .proactive-story,
  .memory-story,
  .control-section {
    min-height: 0;
    padding: 90px 0;
    grid-template-columns: 1fr;
  }

  .proactive-story .story-copy,
  .control-section .story-copy {
    max-width: 650px;
  }

  .memory-story .story-copy {
    grid-row: 1;
    max-width: 650px;
    margin-left: auto;
  }

  .context-map {
    min-height: 440px;
    grid-template-columns: 140px 35px 170px 35px minmax(160px, 1fr);
  }

  .health-section {
    padding: 64px 34px;
  }

  .health-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .health-gallery {
    width: calc(100% + 34px);
    padding-right: 34px;
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(310px, 54vw));
    gap: 18px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .health-gallery::-webkit-scrollbar {
    display: none;
  }

  .health-card {
    scroll-snap-align: start;
  }

  .control-shot {
    grid-row: 2;
  }

.download-qr {
    display: none;
  }
}

@media (max-width: 680px) {
  :root {
    --side: 20px;
  }

  body::before {
    background-size: 48px 48px;
  }

  .brand {
    font-size: 18px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .site-header nav {
    gap: 0;
  }

  .site-header .nav-download {
    padding: 7px 14px;
  }

  .hero {
    padding: 64px 0 80px;
  }

  .hero h1 {
    font-size: clamp(70px, 21vw, 90px);
  }

  .hero-lead {
    max-width: 340px;
    margin-top: 26px;
    font-size: 17px;
  }

  .hero-actions {
    margin-top: 34px;
    flex-direction: column;
    gap: 18px;
  }

  .button {
    min-height: 56px;
  }

  .hero-signals {
    max-width: 330px;
    margin: 36px auto 0;
  }

  .hero-visual {
    min-height: 760px;
    margin-top: 26px;
  }

  .visual-halo {
    top: 15%;
    left: 50%;
    width: 360px;
    height: 360px;
    transform: translateX(-50%);
  }

  .phone-view {
    top: 90px;
    width: 276px;
    border-width: 4px;
    border-radius: 34px;
  }

  .proactive-notification {
    top: 32px;
    left: 50%;
    width: min(342px, 94%);
    transform: translateX(-50%);
  }

  .screen-switcher {
    top: auto;
    right: 0;
    bottom: 10px;
    left: 0;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .screen-switcher button {
    min-height: 46px;
    padding: 0 12px;
    border-radius: 14px;
  }

  .source-note {
    display: none;
  }

  .statement {
    padding: 120px 0 80px;
  }

  .statement h2,
  .health-heading h2 {
    font-size: 41px;
  }

  .statement > p:last-child {
    font-size: 14px;
  }

  .proactive-story,
  .memory-story,
  .control-section {
    padding: 72px 0;
    gap: 44px;
  }

  .story-copy h2 {
    font-size: 36px;
  }

  .story-copy > p:last-of-type {
    font-size: 14px;
  }

  .context-map {
    min-height: 0;
    padding: 28px 22px;
    border-radius: 28px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .context-sources {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .context-sources span {
    min-height: 44px;
    padding: 0 10px;
  }

  .context-line {
    width: 1px;
    height: 28px;
    margin: 0 auto;
    background: linear-gradient(rgba(255, 255, 255, 0.08), rgba(152, 106, 255, 0.8));
  }

  .context-line i {
    top: auto;
    right: 50%;
    bottom: -2px;
    transform: translateX(50%);
  }

  .context-core {
    width: 170px;
    margin: 0 auto;
  }

  .outgoing-card {
    max-width: 270px;
    margin: 0 auto;
  }

  .memory-visual {
    padding: 28px 20px;
    border-radius: 28px;
  }

  .memory-day {
    width: 92%;
    padding: 18px;
  }

  .memory-day p {
    font-size: 14px;
  }

  .memory-trace {
    width: 88%;
  }

  .health-section {
    width: calc(100% - 24px);
    margin-top: 90px;
    padding: 52px 22px 38px;
    border-radius: 32px;
  }

  .health-heading > p {
    font-size: 14px;
  }

  .health-gallery {
    width: calc(100% + 22px);
    margin-top: 48px;
    padding-right: 22px;
    overflow-x: auto;
    grid-template-columns: repeat(3, minmax(252px, 78vw));
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .health-gallery::-webkit-scrollbar {
    display: none;
  }

  .health-card {
    scroll-snap-align: start;
  }

  .health-screen {
    border-radius: 28px;
  }

  .control-shot {
    width: min(100%, 360px);
    height: 600px;
    border-radius: 32px;
  }

.site-footer {
    min-height: 140px;
    padding: 24px 0;
    grid-template-columns: 1fr auto;
  }

  .site-footer > p:nth-of-type(1) {
    display: none;
  }

  .download-shell {
    min-height: calc(100vh - 218px);
  }

}

/* Scenario-led homepage: illustrative conversations, real health screenshots below. */
.scenario-hero {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 6vw, 88px);
  min-height: min(840px, calc(100svh - 96px));
  padding: 64px 0 96px;
}
.scenario-hero h1 {
  font-size: clamp(44px, 5.2vw, 76px);
  line-height: 1.3;
  letter-spacing: -.055em;
  white-space: nowrap;
  color: var(--ink);
  background: none;
}
.scenario-hero h1 span { color: var(--violet-pale); }
.scenario-hero .hero-lead { font-size: clamp(15px, 1.3vw, 18px); line-height: 1.95; margin-top: 28px; }
.scenario-hero .hero-actions { flex-wrap: wrap; gap: 24px; }
.scenario-stage { min-width: 0; position: relative; text-align: left; }
.scenario-stage::before {
  content: ''; position: absolute; inset: 15% 0 8%; z-index: -1;
  background: radial-gradient(ellipse, #8264cc35, transparent 65%); filter: blur(28px); pointer-events: none;
}
.scenario-tabs { display: flex; gap: 5px; margin: 0 0 20px; padding: 5px; border: 1px solid var(--line); border-radius: 99px; background: #ffffff04; }
.scenario-tabs button {
  flex: 1; min-width: 0; min-height: 44px; padding: 9px 4px; border: 1px solid transparent;
  border-radius: 99px; font: inherit; font-size: 12px; color: var(--muted-strong); background: none; cursor: pointer;
}
.scenario-tabs button span { margin-right: 5px; font-size: 10px; opacity: .7; }
.scenario-tabs button[aria-selected="true"] { color: #fff; background: #a68ae122; border-color: #b69bf83d; }
.scenario-tabs button:hover { color: #fff; background: #ffffff0d; }
:focus-visible { outline: 2px solid var(--violet-pale); outline-offset: 5px; }
.conversation-frame { overflow: hidden; border: 1px solid #c5b8f333; border-radius: 28px; background: linear-gradient(145deg, #201d31f5, #131c2af5); box-shadow: 0 32px 80px #0004; }
.conversation-header { display: flex; align-items: center; gap: 12px; padding: 21px 25px; border-bottom: 1px solid var(--line); }
.conversation-header img { border-radius: 13px; }
.conversation-header > div { display: grid; gap: 4px; }
.conversation-header strong { font-size: 17px; font-weight: 600; }
.conversation-header > div span { color: var(--muted); font-size: 10px; }
.demo-label { margin-left: auto; color: var(--muted-strong); font-size: 10px; letter-spacing: .06em; }
.scenario-panel { min-height: 405px; padding: 24px 25px 20px; }
.scenario-panel[hidden] { display: none; }
.scene-context { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin: 0 0 26px; font-size: 11px; color: #b8c9d4; }
.scene-context > span { color: var(--violet-pale); }
.message-time { text-align: center; color: var(--muted); font-size: 10px; margin: 0 0 16px; }
.demo-message { width: fit-content; max-width: 91%; padding: 14px 17px; font-size: 15px; line-height: 1.85; }
.auri-message { border: 1px solid #ffffff12; border-radius: 5px 18px 18px; background: #ffffff07; }
.user-message { margin: 18px 0 18px auto; border-radius: 18px 5px 18px 18px; background: #705ba842; color: #eee8ff; }
.scene-source { margin: 26px 0 0; text-align: center; font-size: 11px; line-height: 1.7; color: var(--muted); }
.conversation-footer { display: flex; justify-content: space-between; align-items: center; margin: 0 25px 23px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; color: #969aad; font-size: 12px; }
.conversation-footer span:last-child { font-size: 20px; }
.scenario-note { margin: 16px 8px 0; color: #9a9eb2; font-size: 11px; line-height: 1.8; }
.everyday-section { width: min(calc(100% - var(--side) * 2), var(--max)); margin: 0 auto; padding: 72px 0 70px; scroll-margin-top: 40px; border-top: 1px solid var(--line); }
.everyday-heading { max-width: 740px; }
.everyday-heading h2 { margin: 22px 0; font-size: clamp(36px, 4.6vw, 62px); line-height: 1.25; letter-spacing: -.04em; font-weight: 620; }
.everyday-heading > p:last-child { color: var(--muted-strong); font-size: 15px; line-height: 1.8; }
.everyday-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 42px; }
.everyday-card { padding: clamp(22px, 2.5vw, 34px); border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, #b69bff0c, #ffffff02); }
.everyday-card:nth-child(2) { background: linear-gradient(145deg, #6acdb80e, #ffffff02); }
.everyday-card:nth-child(3) { background: linear-gradient(145deg, #99c3ff0e, #ffffff02); }
.moment-label { color: var(--violet-pale); font-size: 11px; letter-spacing: .07em; margin: 0; }
.everyday-card:nth-child(2) .moment-label { color: #9bddd0; }
.everyday-card:nth-child(3) .moment-label { color: #b1d2ff; }
.everyday-card h3 { margin: 20px 0 12px; font-size: clamp(19px, 1.8vw, 24px); font-weight: 560; }
.moment-context { min-height: 3.8em; margin: 0 0 26px; font-size: 12px; line-height: 1.9; color: var(--muted); }
.mini-sender { display: flex; align-items: center; gap: 9px; color: var(--muted-strong); font-size: 10px; }
.mini-sender img { border-radius: 9px; }
.everyday-card blockquote { margin: 16px 0 0; font-size: 15px; line-height: 1.9; }
.examples-caption { margin: 22px 0 0; color: var(--muted); font-size: 11px; text-align: right; }
.memory-story { padding: 110px 0 40px; }
.memory-story .story-copy h2 { font-size: clamp(30px, 3.8vw, 51px); line-height: 1.3; }
.health-heading h2 { font-size: clamp(36px, 4.5vw, 62px); line-height: 1.25; }
@media (max-width: 1120px) and (min-width: 921px) {
  .scenario-hero { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 28px; }
  .scenario-tabs button span { display: none; }
  .demo-message { font-size: 14px; }
}
@media (max-width: 920px) {
  .scenario-hero { grid-template-columns: 1fr; padding: 56px 0 72px; gap: 54px; }
  .scenario-hero h1 { font-size: clamp(40px, 7.5vw, 66px); }
  .scenario-hero .hero-lead { font-size: 17px; }
  .scenario-stage { width: min(100%, 530px); margin: 0 auto; }
  .everyday-grid { grid-template-columns: 1fr; gap: 16px; }
  .moment-context { min-height: 0; margin-bottom: 22px; }
  .everyday-card { padding: 28px; }
}
@media (max-width: 680px) {
  .scenario-hero { padding-top: 38px; gap: 42px; }
  .scenario-hero h1 { font-size: clamp(37px, 9.7vw, 56px); letter-spacing: -.06em; }
  .scenario-hero .hero-lead { font-size: 14px; margin-top: 22px; }
  .scenario-hero .hero-actions { margin-top: 26px; gap: 20px; }
  .scenario-tabs { gap: 0; padding: 4px; margin-bottom: 14px; }
  .scenario-tabs button { font-size: 11px; }
  .scenario-tabs button span { display: none; }
  .conversation-header { padding: 18px; }
  .scenario-panel { padding: 20px 18px; min-height: 425px; }
  .demo-message { max-width: 96%; font-size: 14px; padding: 12px 14px; }
  .scene-context { font-size: 10px; }
  .conversation-footer { margin: 0 18px 18px; }
  .scenario-note { font-size: 10px; }
  .everyday-section { padding-top: 56px; padding-bottom: 20px; }
  .everyday-heading h2 { font-size: 36px; }
  .everyday-heading > p:last-child { font-size: 14px; }
  .everyday-grid { margin-top: 30px; }
  .health-heading h2 { font-size: 35px; }
}

/* Supporting capabilities and download: semantic lines, compact composition. */
.capabilities {
  display: grid;
  width: min(calc(100% - var(--side) * 2), var(--max));
  margin: clamp(80px, 9vw, 120px) auto 0;
  padding: clamp(36px, 4vw, 56px) 0;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}
.capabilities-heading h2 {
  margin: 22px 0 0;
  font-size: clamp(30px, 3.3vw, 46px);
  line-height: 1.5;
  letter-spacing: -.035em;
  font-weight: 600;
}
.capabilities-heading h2 span { display: block; white-space: nowrap; }
.capability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; }
.capability-grid article { min-width: 0; display: grid; grid-template-columns: 24px minmax(0, 1fr); column-gap: 12px; align-content: start; padding: 22px 0 0; border-top: 1px solid var(--line-bright); }
.capability-grid svg { grid-row: 1 / 3; width: 23px; height: 23px; margin-top: 1px; fill: none; stroke: var(--violet-bright); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.capability-grid h3 { margin: 0; font-size: 17px; line-height: 1.5; font-weight: 550; }
.capability-grid p { grid-column: 2; margin: 9px 0 0; color: var(--muted-strong); font-size: 14px; line-height: 1.9; text-wrap: pretty; }
.closing {
  display: flex; width: min(calc(100% - var(--side) * 2), var(--max));
  margin: clamp(56px, 7vw, 96px) auto 0;
  padding: 64px 0; border-top: 1px solid var(--line);
  align-items: center; justify-content: space-between; gap: 32px;
}
.closing-intro { display: flex; align-items: center; gap: 24px; }
.closing-intro img { flex: 0 0 auto; width: 72px; height: 72px; border-radius: 20px; }
.closing h2 { margin: 0; font-size: clamp(30px, 3.4vw, 44px); line-height: 1.25; letter-spacing: -.03em; font-weight: 600; }
.closing-intro p { margin: 12px 0 0; color: var(--muted-strong); font-size: 15px; line-height: 1.6; }
.closing-action { flex: 0 0 auto; text-align: center; }
.closing .button { min-width: 208px; }
.closing-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
.download-hero { display: grid; width: min(100%, 820px); padding: 64px 0 100px; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); align-items: center; gap: clamp(48px, 7vw, 96px); }
.download-visual { display: grid; place-items: center; }
.download-visual img { display: block; width: clamp(140px, 17vw, 184px); height: auto; border-radius: 27%; box-shadow: 0 24px 64px #0003; }
.download-copy { min-width: 0; }
.download-copy h1 { margin: 18px 0 0; font-size: clamp(44px, 5vw, 64px); font-weight: 600; line-height: 1.2; letter-spacing: -.04em; white-space: nowrap; }
.download-lead { margin: 22px 0 30px; color: var(--muted-strong); font-size: 18px; line-height: 1.9; }
.download-lead span { display: block; white-space: nowrap; }
.download-button { min-width: 246px; min-height: 56px; }
.download-page .site-header nav a { display: inline-flex; min-height: 44px; align-items: center; }
.download-source { max-width: 360px; margin-top: 24px; padding-top: 12px; border-top: 1px solid var(--line); }
.source-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--violet-pale); font-size: 14px; }
.source-link:hover { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
.download-source p { margin: 2px 0 0; color: var(--muted-strong); font-size: 12px; line-height: 1.9; }
@media (max-width: 920px) {
  .capabilities { grid-template-columns: 1fr; gap: 36px; }
  .capabilities-heading h2 { font-size: clamp(30px, 5vw, 42px); }
  .capability-grid { gap: 28px 40px; }
  .download-hero { width: min(100%, 640px); grid-template-columns: 160px minmax(0, 1fr); gap: 36px; }
  .download-visual img { width: 140px; }
  .download-lead { font-size: 16px; }
}
@media (max-width: 680px) {
  .capabilities { margin-top: 72px; padding: 12px 0 0; gap: 28px; }
  .capabilities-heading h2 { font-size: clamp(28px, 7.3vw, 38px); }
  .capability-grid { grid-template-columns: 1fr; gap: 22px; }
  .capability-grid article { column-gap: 14px; padding-top: 20px; }
  .capability-grid p { margin-top: 7px; }
  .closing { margin-top: 60px; padding: 40px 0; flex-direction: column; gap: 28px; }
  .closing-intro { flex-direction: column; gap: 18px; text-align: center; }
  .closing-intro img { width: 56px; height: 56px; border-radius: 16px; }
  .closing h2 { font-size: 32px; }
  .closing-intro p { margin-top: 10px; font-size: 14px; }
  .closing .button { min-width: 220px; }
  .download-hero { grid-template-columns: 1fr; padding: 38px 0 60px; gap: 30px; justify-items: center; text-align: center; }
  .download-visual img { width: 112px; }
  .download-copy h1 { font-size: 44px; }
  .download-copy .section-kicker { font-size: 11px; }
  .download-lead { font-size: 16px; margin: 18px 0 28px; }
  .download-button { width: 100%; min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}