:root {
  --ink: #0c0c0f;
  --muted: #66666e;
  --paper: #f2f2f7;
  --surface: #ffffff;
  --coral: #ff5252;
  --coral-dark: #d83a3a;
  --sage: #456e4f;
  --lavender: #dbd6eb;
  --night: #08051f;
  --yellow: #ffd661;
  --line: #d8d8de;
  --content: 1180px;
  --screen: 24px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--surface);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header-height);
  color: var(--surface);
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.site-header.scrolled {
  background: rgba(8, 5, 31, 0.92);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.site-header.solid {
  position: sticky;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--line);
  backdrop-filter: blur(18px);
}

.nav-shell,
.content-shell,
.footer-shell {
  width: min(calc(100% - (var(--screen) * 2)), var(--content));
  margin-inline: auto;
}

.nav-shell {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 760;
  line-height: 1;
}

.brand img,
.footer-brand img {
  border-radius: 8px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 650;
}

.main-nav a,
.site-footer a {
  position: relative;
}

.main-nav a::after,
.site-footer a::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 160ms ease;
}

.main-nav a:hover::after,
.site-footer a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  min-height: 650px;
  height: calc(100svh - 60px);
  max-height: 800px;
  overflow: hidden;
  color: var(--surface);
  background: var(--night);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-orbit {
  position: absolute;
  top: 50%;
  right: -260px;
  width: 780px;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 214, 97, 0.26);
  border-radius: 50%;
  transform: translateY(-50%);
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  inset: 84px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: inherit;
  content: "";
}

.hero-orbit::after {
  inset: 184px;
  border-color: rgba(255, 82, 82, 0.28);
}

.hero-shell {
  position: relative;
  width: min(calc(100% - (var(--screen) * 2)), var(--content));
  height: 100%;
  margin-inline: auto;
}

.hero-copy {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 0;
  width: min(560px, 51%);
  transform: translateY(-45%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow);
  font-size: 13px;
  font-weight: 760;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--coral-dark);
}

.eyebrow.light {
  color: var(--yellow);
}

.hero h1 {
  margin: 0;
  font-size: 88px;
  font-weight: 820;
  line-height: 0.98;
}

.hero-lead {
  margin: 24px 0 0;
  font-size: 30px;
  font-weight: 720;
  line-height: 1.35;
}

.hero-support {
  max-width: 520px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 720;
  line-height: 1.3;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.button-primary {
  color: var(--surface);
  background: var(--coral);
}

.button-primary:hover {
  background: var(--coral-dark);
}

.button-quiet {
  color: var(--surface);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.04);
}

.button-quiet:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.1);
}

.availability {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

.product-scene {
  position: absolute;
  z-index: 3;
  top: 96px;
  right: 20px;
  width: 470px;
  height: calc(100% - 128px);
}

.phone {
  position: absolute;
  top: 0;
  right: 50px;
  width: 318px;
  aspect-ratio: 0.51;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 42px;
  background: #16161b;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.46);
  transform: rotate(2deg);
}

.phone::before {
  position: absolute;
  z-index: 2;
  top: 15px;
  left: 50%;
  width: 88px;
  height: 24px;
  border-radius: 20px;
  background: #08080a;
  content: "";
  transform: translateX(-50%);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  color: var(--ink);
  border-radius: 34px;
  background: var(--paper);
}

.phone-status {
  display: flex;
  height: 46px;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  font-size: 10px;
  font-weight: 750;
}

.app-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 8px 18px 12px;
}

.app-toolbar strong {
  display: block;
  font-size: 23px;
  line-height: 1.2;
}

.location-line {
  display: block;
  margin-bottom: 5px;
  color: var(--coral-dark);
  font-size: 10px;
  font-weight: 720;
}

.compose {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--surface);
  border-radius: 50%;
  background: var(--coral);
  font-size: 19px;
  line-height: 1;
}

.post-preview {
  margin: 0 12px 10px;
  padding: 13px;
  border: 1px solid rgba(12, 12, 15, 0.06);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 6px 20px rgba(12, 12, 15, 0.06);
}

.post-author {
  display: flex;
  align-items: center;
  gap: 9px;
}

.post-author > span:last-child {
  display: grid;
  line-height: 1.2;
}

.post-author strong {
  font-size: 12px;
}

.post-author small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
}

.avatar {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--surface);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 760;
}

.avatar-coral {
  background: var(--coral);
}

.avatar-sage {
  background: var(--sage);
}

.post-preview > p {
  margin: 10px 0;
  font-size: 11px;
  line-height: 1.6;
}

.photo-block {
  position: relative;
  display: grid;
  height: 132px;
  overflow: hidden;
  place-items: end start;
  padding: 12px;
  color: var(--yellow);
  border-radius: 6px;
  background: linear-gradient(145deg, #193f39 0 36%, #0e1024 36% 70%, #5a2034 70%);
  font-size: 9px;
  font-weight: 800;
}

.photo-block::before,
.photo-block::after {
  position: absolute;
  content: "";
}

.photo-block::before {
  top: 22px;
  left: 42px;
  width: 64px;
  height: 64px;
  border: 9px solid rgba(255, 214, 97, 0.72);
  border-radius: 50%;
}

.photo-block::after {
  right: 24px;
  bottom: 18px;
  width: 80px;
  height: 7px;
  background: var(--coral);
  box-shadow: 0 -18px 0 rgba(255, 255, 255, 0.32), 0 -36px 0 rgba(255, 255, 255, 0.14);
}

.photo-block i {
  position: absolute;
  top: 47px;
  left: 67px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #0e1024;
}

.post-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 9px;
}

.post-actions b {
  margin-left: auto;
  padding: 3px 8px;
  color: var(--coral-dark);
  border: 1px solid rgba(255, 82, 82, 0.4);
  border-radius: 8px;
}

.post-preview-small {
  opacity: 0.74;
}

.tab-preview {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  height: 46px;
  align-items: center;
  justify-content: space-around;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  font-size: 9px;
}

.tab-preview b {
  color: var(--coral);
}

.app-icon-float {
  position: absolute;
  z-index: 4;
  top: 28px;
  right: -18px;
  width: 112px;
  height: 112px;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.32);
  transform: rotate(8deg);
}

.app-icon-float img {
  border-radius: 19px;
}

.hello-note {
  position: absolute;
  z-index: 5;
  right: -10px;
  bottom: 55px;
  width: 180px;
  padding: 13px 15px;
  color: var(--ink);
  border-radius: 8px;
  background: var(--yellow);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
  transform: rotate(-3deg);
}

.hello-note span,
.hello-note strong {
  display: block;
}

.hello-note span {
  color: rgba(12, 12, 15, 0.62);
  font-size: 10px;
  font-weight: 720;
}

.hello-note strong {
  margin-top: 3px;
  font-size: 13px;
}

.hero-next {
  position: absolute;
  z-index: 6;
  bottom: 24px;
  left: 50%;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  transform: translateX(-50%);
}

.statement-band {
  padding: 112px 0;
  background: var(--surface);
}

.statement-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
}

.section-index {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.statement-grid h2,
.safety-grid h2,
.closing-content h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 790;
  line-height: 1.2;
}

.statement-grid > div > p {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.9;
}

.feature-band {
  background: var(--paper);
}

.feature-row {
  position: relative;
  display: grid;
  min-height: 470px;
  grid-template-columns: 64px minmax(320px, 0.85fr) minmax(360px, 1.15fr);
  align-items: center;
  gap: 50px;
  border-top: 1px solid var(--line);
}

.feature-row:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-row.reverse .feature-visual {
  grid-column: 2;
  grid-row: 1;
}

.feature-row.reverse .feature-copy {
  grid-column: 3;
  grid-row: 1;
}

.feature-number {
  align-self: start;
  padding-top: 58px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.feature-copy h3 {
  max-width: 460px;
  margin: 0;
  font-size: 36px;
  line-height: 1.3;
}

.feature-copy > p:last-child {
  max-width: 520px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.feature-visual {
  position: relative;
  min-height: 300px;
  overflow: hidden;
}

.city-pulse {
  border-radius: 50%;
  background-image: linear-gradient(rgba(12, 12, 15, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(12, 12, 15, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
}

.city-pulse::before,
.city-pulse::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 82, 82, 0.45);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.city-pulse::before {
  width: 140px;
  height: 140px;
}

.city-pulse::after {
  width: 270px;
  height: 270px;
  border-color: rgba(69, 110, 79, 0.38);
}

.pulse-center,
.pulse-person {
  position: absolute;
  z-index: 2;
  display: grid;
  height: 38px;
  place-items: center;
  padding: 0 13px;
  border: 2px solid var(--surface);
  border-radius: 20px;
  box-shadow: 0 6px 22px rgba(12, 12, 15, 0.12);
  font-size: 12px;
  font-weight: 740;
}

.pulse-center {
  top: 50%;
  left: 50%;
  color: var(--surface);
  background: var(--coral);
  transform: translate(-50%, -50%);
}

.pulse-person {
  background: var(--surface);
}

.pulse-a {
  top: 22%;
  left: 22%;
}

.pulse-b {
  top: 28%;
  right: 11%;
}

.pulse-c {
  right: 27%;
  bottom: 15%;
}

.chat-flow {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 34px;
  background: var(--lavender);
}

.chat-bubble {
  width: fit-content;
  max-width: 84%;
  padding: 13px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 620;
  box-shadow: 0 7px 24px rgba(12, 12, 15, 0.08);
}

.chat-bubble.incoming {
  background: var(--surface);
}

.chat-bubble.outgoing {
  align-self: end;
  color: var(--surface);
  background: var(--coral);
}

.chat-bubble.short {
  min-width: 88px;
}

.boundary-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: center;
  gap: 10px;
  padding: 28px;
  color: var(--surface);
  background: var(--sage);
}

.shield-mark {
  display: grid;
  width: 82px;
  height: 92px;
  grid-column: 1 / -1;
  place-items: center;
  margin: 0 auto 24px;
  color: var(--sage);
  border-radius: 42px 42px 48px 48px;
  background: var(--surface);
  clip-path: polygon(50% 0, 100% 18%, 90% 74%, 50% 100%, 10% 74%, 0 18%);
  font-size: 32px;
  font-weight: 840;
}

.boundary-visual span {
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  text-align: center;
  font-size: 12px;
  font-weight: 700;
}

.safety-band {
  padding: 116px 0;
  color: var(--surface);
  background: var(--night);
}

.safety-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}

.safety-points {
  display: grid;
}

.safety-points > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 26px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.safety-points > div:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.safety-points strong {
  color: var(--yellow);
  font-size: 14px;
}

.safety-points p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.closing-band {
  padding: 96px 0;
  background: var(--yellow);
}

.closing-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 34px;
}

.closing-content img {
  border-radius: 24px;
  box-shadow: 0 14px 36px rgba(12, 12, 15, 0.18);
}

.closing-content p {
  margin: 14px 0 0;
  color: rgba(12, 12, 15, 0.62);
}

.button-dark,
.button-submit {
  color: var(--surface);
  background: var(--ink);
}

.button-dark:hover,
.button-submit:hover {
  background: #2d2d31;
}

.site-footer {
  padding: 44px 0;
  color: rgba(255, 255, 255, 0.7);
  background: var(--night);
}

.site-footer.light {
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  font-size: 13px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--surface);
  font-size: 16px;
}

.site-footer.light .footer-brand {
  color: var(--ink);
}

.footer-shell nav {
  display: flex;
  gap: 24px;
}

.footer-shell > p {
  margin: 0;
  text-align: right;
}

/* Legal pages */
.legal-page {
  background: var(--surface);
}

.legal-shell {
  display: grid;
  width: min(calc(100% - (var(--screen) * 2)), 1120px);
  grid-template-columns: 190px minmax(0, 720px);
  justify-content: space-between;
  gap: 80px;
  margin: 0 auto;
  padding: 80px 0 120px;
}

.legal-aside {
  position: sticky;
  top: 112px;
  align-self: start;
  display: grid;
  gap: 8px;
}

.legal-aside p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 740;
}

.legal-aside a {
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
}

.legal-aside a.active {
  color: var(--ink);
  border-color: var(--coral);
  font-weight: 720;
}

.legal-content header {
  padding-bottom: 54px;
  border-bottom: 1px solid var(--line);
}

.legal-content h1,
.feedback-intro h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1.14;
}

.legal-date {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.legal-intro {
  margin: 30px 0 0;
  font-size: 19px;
  line-height: 1.9;
}

.legal-toc {
  margin-top: 48px;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.legal-toc > p {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
}

.legal-toc ol {
  columns: 2;
  column-gap: 42px;
  margin: 0;
  padding-left: 22px;
}

.legal-toc li {
  break-inside: avoid;
  margin: 7px 0;
  padding-left: 4px;
  color: var(--muted);
  font-size: 13px;
}

.legal-toc a {
  color: inherit;
  text-decoration: none;
}

.legal-toc a:hover {
  color: var(--coral-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-callout {
  margin-top: 42px;
  padding: 20px 22px;
  border-left: 3px solid var(--coral);
  background: #fff1f1;
}

.legal-callout strong {
  font-size: 14px;
}

.legal-callout p {
  margin: 7px 0 0;
  color: #4d3737;
  font-size: 14px;
}

.legal-content section {
  padding-top: 48px;
}

.legal-content section[id] {
  scroll-margin-top: 96px;
}

.legal-content h2 {
  margin: 0 0 18px;
  font-size: 25px;
  line-height: 1.4;
}

.legal-content h3 {
  margin: 28px 0 8px;
  font-size: 17px;
}

.legal-content p,
.legal-content li {
  color: #424248;
}

.legal-content p {
  margin: 12px 0 0;
}

.legal-content ul {
  margin: 15px 0 0;
  padding-left: 22px;
}

.legal-content li + li {
  margin-top: 8px;
}

.legal-table-wrap {
  width: 100%;
  margin: 22px 0;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
}

.legal-table-wrap:focus-visible {
  outline-offset: 2px;
}

.legal-content table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13px;
  line-height: 1.55;
}

.legal-content th,
.legal-content td {
  padding: 14px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.legal-content th:last-child,
.legal-content td:last-child {
  border-right: 0;
}

.legal-content tbody tr:last-child td {
  border-bottom: 0;
}

.legal-content th {
  color: var(--ink);
  background: var(--paper);
  font-size: 12px;
  font-weight: 760;
}

.legal-content td {
  color: #424248;
}

.legal-content td:first-child {
  color: var(--ink);
  font-weight: 680;
}

.legal-note {
  padding: 14px 16px;
  border-left: 3px solid var(--sage);
  background: #edf5ef;
  font-size: 13px;
}

.legal-content a {
  color: var(--coral-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Feedback */
.feedback-page {
  background: var(--paper);
}

.feedback-shell {
  display: grid;
  width: min(calc(100% - (var(--screen) * 2)), 1080px);
  min-height: calc(100svh - var(--header-height));
  grid-template-columns: minmax(0, 0.85fr) minmax(480px, 1.15fr);
  align-items: start;
  gap: 84px;
  margin-inline: auto;
  padding: 80px 0 110px;
}

.feedback-intro {
  position: sticky;
  top: 130px;
}

.feedback-intro > p:not(.eyebrow) {
  max-width: 430px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

.feedback-intro dl {
  margin: 46px 0 0;
  border-top: 1px solid var(--line);
}

.feedback-intro dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.feedback-intro dt {
  color: var(--ink);
  font-weight: 720;
}

.feedback-intro dd {
  margin: 0;
  color: var(--muted);
}

.feedback-form-panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 50px rgba(12, 12, 15, 0.07);
}

.feedback-form-panel form {
  display: grid;
  gap: 24px;
}

.demo-notice {
  margin: 0;
  padding: 11px 13px;
  color: #5d4a08;
  border-left: 3px solid var(--yellow);
  background: #fff8da;
  font-size: 13px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-size: 14px;
  font-weight: 720;
}

.form-field label > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--ink);
  border: 1px solid #b8b8c0;
  border-radius: 5px;
  background: var(--surface);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.form-field textarea {
  min-height: 170px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(255, 214, 97, 0.54);
}

.form-field [aria-invalid="true"] {
  border-color: var(--coral-dark);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field-error {
  min-height: 18px;
  margin: 0;
  color: var(--coral-dark);
  font-size: 12px;
}

.field-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.field-meta > span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
}

.field-meta b {
  font-weight: 600;
}

.consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.consent input {
  width: 17px;
  height: 17px;
  margin: 4px 0 0;
  accent-color: var(--coral);
}

.consent a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.consent-error {
  margin-top: -22px;
}

.button-submit {
  width: 100%;
  min-height: 54px;
  border: 0;
}

.button-submit:disabled {
  cursor: wait;
  opacity: 0.64;
  transform: none;
}

.submit-arrow {
  font-size: 19px;
}

.form-status {
  padding: 14px 16px;
  border-left: 3px solid var(--sage);
  background: #edf5ef;
  color: #26452e;
  font-size: 14px;
}

.form-status.error {
  border-color: var(--coral-dark);
  background: #fff0f0;
  color: #8b2727;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Not found */
.not-found-page {
  color: var(--surface);
  background: var(--night);
}

.not-found-shell {
  display: flex;
  width: min(calc(100% - (var(--screen) * 2)), 960px);
  min-height: 100svh;
  flex-direction: column;
  justify-content: space-between;
  margin-inline: auto;
  padding: 28px 0 80px;
}

.not-found-shell > div {
  max-width: 680px;
}

.not-found-shell h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1.15;
}

.not-found-shell p:not(.eyebrow) {
  margin: 22px 0 30px;
  color: rgba(255, 255, 255, 0.68);
}

@media (max-width: 980px) {
  .hero-copy {
    width: 55%;
  }

  .hero h1 {
    font-size: 68px;
  }

  .hero-lead {
    font-size: 25px;
  }

  .product-scene {
    right: -90px;
    transform: scale(0.88);
    transform-origin: top center;
  }

  .feature-row {
    grid-template-columns: 40px minmax(260px, 0.9fr) minmax(300px, 1.1fr);
    gap: 28px;
  }

  .safety-grid {
    gap: 60px;
  }

  .feedback-shell {
    grid-template-columns: minmax(0, 0.75fr) minmax(440px, 1.25fr);
    gap: 48px;
  }
}

@media (min-width: 761px) and (max-height: 720px) {
  .hero {
    height: calc(100svh - 44px);
    min-height: 0;
  }

  .hero-copy {
    transform: translateY(-42%);
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero-lead {
    margin-top: 17px;
    font-size: 24px;
  }

  .hero-support {
    margin-top: 12px;
    font-size: 15px;
  }

  .hero-actions {
    margin-top: 20px;
  }

  .product-scene {
    top: 72px;
    transform: scale(0.76);
    transform-origin: top right;
  }
}

@media (max-width: 760px) {
  :root {
    --screen: 18px;
    --header-height: 64px;
  }

  .main-nav {
    gap: 16px;
  }

  .main-nav a:nth-child(2) {
    display: none;
  }

  .hero {
    height: calc(100svh - 44px);
    min-height: 0;
    max-height: none;
  }

  .hero::before {
    background-size: 44px 44px;
  }

  .hero-shell {
    width: 100%;
  }

  .hero-copy {
    top: 112px;
    right: var(--screen);
    left: var(--screen);
    width: auto;
    transform: none;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-lead {
    margin-top: 14px;
    font-size: 23px;
  }

  .hero-support {
    max-width: 390px;
    margin-top: 10px;
    font-size: 14px;
    line-height: 1.7;
  }

  .hero-actions {
    margin-top: 20px;
  }

  .availability {
    display: none;
  }

  .product-scene {
    top: 410px;
    right: -54px;
    width: 330px;
    height: 330px;
    transform: scale(0.56);
    transform-origin: top right;
  }

  .phone {
    right: 20px;
  }

  .app-icon-float {
    right: -24px;
  }

  .hello-note {
    right: -20px;
    bottom: -62px;
  }

  .hero-orbit {
    top: 80%;
    right: -330px;
  }

  .hero-next {
    display: none;
  }

  .statement-band {
    padding: 76px 0;
  }

  .statement-grid,
  .safety-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .statement-grid h2,
  .safety-grid h2,
  .closing-content h2 {
    font-size: 34px;
  }

  .statement-grid > div > p {
    margin-top: 22px;
    font-size: 16px;
  }

  .feature-row,
  .feature-row.reverse {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 66px 0;
  }

  .feature-number {
    display: none;
  }

  .feature-row .feature-copy,
  .feature-row.reverse .feature-copy,
  .feature-row .feature-visual,
  .feature-row.reverse .feature-visual {
    grid-column: 1;
    grid-row: auto;
  }

  .feature-copy h3 {
    font-size: 29px;
  }

  .feature-copy > p:last-child {
    font-size: 15px;
  }

  .feature-visual {
    min-height: 270px;
    margin-top: 36px;
  }

  .city-pulse {
    border-radius: 0;
  }

  .safety-band {
    padding: 76px 0;
  }

  .safety-points > div {
    grid-template-columns: 100px 1fr;
    gap: 18px;
  }

  .closing-band {
    padding: 70px 0;
  }

  .closing-content {
    grid-template-columns: 72px 1fr;
    gap: 20px;
  }

  .closing-content img {
    width: 72px;
    border-radius: 16px;
  }

  .closing-content .button {
    grid-column: 1 / -1;
    margin-top: 10px;
  }

  .footer-shell {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .footer-shell nav {
    flex-wrap: wrap;
    gap: 12px 20px;
  }

  .footer-shell > p {
    text-align: left;
  }

  .legal-shell {
    grid-template-columns: 1fr;
    gap: 38px;
    padding: 48px 0 88px;
  }

  .legal-aside {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 0;
    padding-bottom: 5px;
  }

  .legal-aside p {
    display: none;
  }

  .legal-aside a {
    flex: 0 0 auto;
    border-bottom: 2px solid transparent;
    border-left: 0;
  }

  .legal-aside a.active {
    border-bottom-color: var(--coral);
  }

  .legal-content h1,
  .feedback-intro h1 {
    font-size: 42px;
  }

  .legal-content header {
    padding-bottom: 40px;
  }

  .legal-intro {
    font-size: 17px;
  }

  .legal-content section {
    padding-top: 38px;
  }

  .legal-toc {
    margin-top: 36px;
    padding: 20px;
  }

  .legal-toc ol {
    columns: 1;
  }

  .legal-callout {
    margin-top: 34px;
  }

  .legal-content table {
    min-width: 600px;
  }

  .feedback-shell {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 48px 0 80px;
  }

  .feedback-intro {
    position: static;
  }

  .feedback-form-panel {
    padding: 24px 18px;
  }

  .not-found-shell h1 {
    font-size: 40px;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 760px) and (max-height: 650px) {
  .hero-copy {
    top: 84px;
  }

  .hero-copy .eyebrow {
    margin-bottom: 8px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-lead {
    font-size: 19px;
  }

  .hero-support {
    display: none;
  }

  .hero-actions {
    margin-top: 16px;
  }

  .product-scene {
    top: 330px;
  }
}

@media (max-width: 390px) {
  .main-nav a:first-child {
    display: none;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-lead {
    font-size: 20px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: 190px;
  }

  .hero-actions .button {
    min-height: 44px;
  }

  .product-scene {
    top: 440px;
  }

  .safety-points > div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

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

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