@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;600;700;800&display=swap");

:root {
  --ink: #11191c;
  --muted: #687277;
  --paper: #f2ede3;
  --paper-light: #fbfaf6;
  --dark: #0d1b22;
  --dark-soft: #172b32;
  --line: rgba(17, 25, 28, 0.15);
  --line-light: rgba(255, 255, 255, 0.17);
  --accent: #d57437;
  --accent-soft: #f0c199;
  --mint: #94d2bd;
  --blue: #82b9e3;
  --shadow: 0 24px 60px rgba(18, 29, 32, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

h1 {
  margin-bottom: 20px;
  font-size: 72px;
  line-height: 1.04;
  font-weight: 800;
}

h2 {
  margin-bottom: 16px;
  font-size: 44px;
  line-height: 1.12;
  font-weight: 700;
}

h3 {
  margin-bottom: 9px;
  font-size: 21px;
  line-height: 1.2;
}

p {
  line-height: 1.8;
}

.section-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(13, 27, 34, 0.96);
  color: #fff;
  backdrop-filter: blur(18px);
  transition: box-shadow 0.2s ease;
}

.site-header.is-elevated {
  box-shadow: 0 14px 28px rgba(4, 13, 17, 0.24);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex: 1;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  background: var(--accent);
}

.header-action,
.primary-button,
.ghost-button,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.header-action,
.primary-button,
.download-button {
  color: #1d1711;
  background: var(--accent);
}

.header-action:hover,
.primary-button:hover,
.download-button:hover {
  background: #e09055;
  transform: translateY(-1px);
}

.ghost-button {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.ghost-button:hover {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 15px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 5px rgba(213, 116, 55, 0.14);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-editorial {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

.hero-editorial::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 17, 22, 0.96) 0%, rgba(8, 26, 33, 0.75) 50%, rgba(8, 26, 33, 0.26) 100%),
    url("hero-bg.png") center/cover no-repeat;
  animation: backgroundDrift 24s ease-in-out infinite alternate;
}

.hero-editorial::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 96px);
  opacity: 0.35;
}

.hero-editorial-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 48px minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 28px;
  align-items: center;
  padding: 68px 0 58px;
}

.hero-index,
.download-index {
  align-self: stretch;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  writing-mode: vertical-rl;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 570px;
}

.hero-copy h1 {
  max-width: 560px;
}

.hero-copy p:not(.eyebrow) {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(238, 249, 247, 0.74);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-note {
  display: flex;
  gap: 12px;
  max-width: 510px;
  margin-top: 42px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(238, 249, 247, 0.66);
  font-size: 12px;
}

.hero-note strong {
  color: var(--mint);
}

.hero-visual {
  position: relative;
  min-height: 530px;
  overflow: hidden;
  border: 1px solid rgba(191, 230, 223, 0.26);
  background: rgba(5, 18, 24, 0.46);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 530px;
  object-fit: cover;
  opacity: 0.72;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 32%, rgba(5, 17, 23, 0.82) 100%);
}

.visual-stamp {
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Noto Serif SC", serif;
  font-size: 42px;
}

.visual-caption {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.visual-caption strong {
  display: block;
  margin-bottom: 4px;
  font-size: 24px;
}

.visual-caption span {
  color: rgba(238, 249, 247, 0.7);
  font-size: 12px;
}

.visual-caption .metric {
  color: var(--mint);
  font-size: 34px;
  font-weight: 800;
}

.signal-band {
  border-bottom: 1px solid var(--line);
  background: var(--paper-light);
}

.signal-band-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 22px 0;
}

.signal-cell {
  padding-left: 16px;
  border-left: 2px solid var(--accent-soft);
}

.signal-cell strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 22px;
}

.signal-cell span {
  color: var(--muted);
  font-size: 12px;
}

.story-section {
  padding: 112px 0 102px;
  background: var(--paper);
}

.story-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 72px;
}

.story-intro {
  max-width: 460px;
}

.story-intro p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.story-list {
  border-top: 1px solid var(--line);
}

.story-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.story-number {
  padding-top: 4px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.story-item h3 {
  margin-bottom: 7px;
}

.story-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.route-section {
  padding: 100px 0;
  color: #fff;
  background: var(--dark);
}

.route-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 50px;
  align-items: center;
}

.route-visual {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: url("global-map-bg.png") center/cover no-repeat;
  box-shadow: var(--shadow);
}

.route-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(143, 205, 242, 0.24);
}

.route-pin {
  position: absolute;
  z-index: 1;
  width: 13px;
  height: 13px;
  border: 3px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(213, 116, 55, 0.18);
}

.route-pin.one {
  top: 31%;
  left: 27%;
}

.route-pin.two {
  top: 48%;
  left: 61%;
}

.route-pin.three {
  top: 65%;
  left: 79%;
}

.route-tag {
  position: absolute;
  z-index: 1;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 20, 28, 0.74);
  color: #fff;
  font-size: 12px;
}

.route-tag.one {
  top: 24%;
  left: 18%;
}

.route-tag.two {
  top: 41%;
  left: 55%;
}

.route-tag.three {
  top: 70%;
  left: 70%;
}

.route-copy {
  max-width: 480px;
}

.route-copy h2 {
  color: #fff;
}

.route-copy p:not(.eyebrow) {
  margin-bottom: 0;
  color: rgba(238, 249, 247, 0.7);
  font-size: 16px;
}

.route-list {
  margin-top: 30px;
  border-top: 1px solid var(--line-light);
}

.route-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
  color: rgba(238, 249, 247, 0.7);
  font-size: 13px;
}

.route-list strong {
  color: var(--mint);
}

.scenario-section {
  padding: 104px 0;
  background: var(--paper-light);
}

.scenario-heading {
  max-width: 700px;
  margin-bottom: 38px;
}

.scenario-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.scenario-item {
  min-height: 190px;
  padding: 22px 22px 0 0;
  border-bottom: 1px solid var(--line);
}

.scenario-item + .scenario-item {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.scenario-item strong {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scenario-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 19, 25, 0.94), rgba(12, 44, 49, 0.78)),
    url("download-bg.png") center/cover no-repeat;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 88px);
  opacity: 0.24;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 86px 0;
}

.cta-copy {
  max-width: 620px;
}

.cta-copy h2 {
  color: #fff;
}

.cta-copy p:not(.eyebrow) {
  margin-bottom: 0;
  color: rgba(238, 249, 247, 0.7);
}

.support-channels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.support-channels span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(238, 249, 247, 0.72);
  font-size: 12px;
}

.site-footer {
  background: var(--dark);
  color: rgba(238, 249, 247, 0.66);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0;
}

.footer-inner p {
  margin-bottom: 0;
  font-size: 12px;
}

.download-cover {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

.download-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 17, 22, 0.96) 0%, rgba(8, 26, 31, 0.72) 52%, rgba(8, 26, 31, 0.24) 100%),
    url("devices-bg.png") center/cover no-repeat;
  animation: backgroundDrift 22s ease-in-out infinite alternate;
}

.download-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 50%, rgba(0, 0, 0, 0.22));
}

.download-cover-inner {
  position: relative;
  z-index: 1;
  min-height: 500px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) minmax(330px, 0.82fr);
  gap: 28px;
  align-items: center;
  padding: 66px 0;
}

.download-copy {
  max-width: 690px;
}

.download-copy p:not(.eyebrow) {
  max-width: 600px;
  margin-bottom: 0;
  color: rgba(238, 249, 247, 0.74);
  font-size: 17px;
}

.release-notes {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03)),
    url("download-bg-abstract.png") center/cover no-repeat;
  box-shadow: var(--shadow);
}

.release-notes-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.release-notes-head span {
  color: rgba(238, 249, 247, 0.62);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.release-notes-head strong {
  font-size: 29px;
}

.release-notes ul {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.release-notes li {
  color: rgba(238, 249, 247, 0.76);
  font-size: 13px;
}

.release-notes li::before {
  content: "—";
  margin-right: 8px;
  color: var(--accent-soft);
}

.clients-section {
  padding: 108px 0 82px;
  background: var(--paper);
}

.clients-layout {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  gap: 68px;
}

.clients-intro {
  position: sticky;
  top: 126px;
  align-self: start;
}

.clients-intro p:not(.eyebrow) {
  max-width: 340px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.platform-index {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.platform-index span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.platform-index strong {
  color: var(--accent);
}

.client-table {
  border-top: 1px solid var(--line);
}

.client-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 0.82fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.client-name {
  display: flex;
  align-items: center;
  gap: 15px;
}

.client-icon {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  flex: 0 0 auto;
  border: 1px solid rgba(213, 116, 55, 0.25);
  border-radius: 4px;
  background: #f0e3d3;
}

.client-icon img {
  width: 27px;
  height: 27px;
}

.client-name h3 {
  margin-bottom: 4px;
  font-size: 20px;
}

.client-name p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.client-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 15px;
  color: var(--muted);
  font-size: 12px;
}

.client-facts span::before {
  content: "·";
  margin-right: 6px;
  color: var(--accent);
  font-weight: 900;
}

.download-button {
  min-width: 112px;
}

.install-band {
  padding: 26px 0 100px;
  background: var(--paper);
}

.install-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.install-flow,
.status-card {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper-light);
}

.install-flow h2 {
  font-size: 32px;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.flow-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
}

.flow-step strong {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(213, 116, 55, 0.28);
  border-radius: 50%;
  color: var(--accent);
  font-size: 12px;
}

.flow-step p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.status-card {
  background: #e9efe9;
}

.status-card strong {
  display: block;
  margin-bottom: 9px;
  color: #3a7051;
  font-size: 24px;
}

.status-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.faq-section {
  padding: 12px 0 104px;
  background: var(--paper);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  background: var(--paper-light);
}

summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 800;
}

details p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.hero-subtitle-title {
  max-width: 560px;
  margin: -7px 0 20px;
  color: var(--accent-soft);
  font-family: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
}

.trial-note {
  display: inline-flex;
  margin-top: 24px;
  padding: 8px 12px;
  border: 1px solid rgba(240, 193, 153, 0.42);
  border-radius: 999px;
  color: var(--accent-soft);
  font-size: 12px;
  font-weight: 800;
}

.pricing-section,
.testimonial-section,
.insight-section {
  padding: 104px 0;
  background: var(--paper-light);
  border-top: 1px solid var(--line);
}

.pricing-heading,
.testimonial-heading,
.insight-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.pricing-heading p:not(.eyebrow),
.insight-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.plan-card {
  position: relative;
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.plan-card.featured {
  border-color: var(--accent);
  background: #f7e9d8;
  box-shadow: 0 18px 38px rgba(126, 66, 29, 0.12);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: 18px;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--accent);
  color: #21150d;
  font-size: 11px;
  font-weight: 800;
}

.plan-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.plan-top > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.plan-top strong {
  color: var(--ink);
  font-size: 32px;
}

.plan-top strong span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.plan-card ul {
  display: grid;
  gap: 10px;
  flex: 1;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.plan-card li {
  color: var(--muted);
  font-size: 13px;
}

.plan-card li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--accent);
  font-weight: 800;
}

.plan-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.plan-button:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

.pricing-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.testimonial-section {
  background: var(--paper);
}

.testimonial-heading h2 {
  max-width: 560px;
}

.testimonial-grid,
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.testimonial {
  padding: 24px;
  border-top: 2px solid var(--accent-soft);
  background: var(--paper-light);
}

.stars {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.16em;
}

.testimonial p {
  min-height: 74px;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 15px;
}

.testimonial strong {
  color: var(--muted);
  font-size: 12px;
}

.home-faq {
  background: var(--paper-light);
}

.home-faq .faq-heading {
  margin-bottom: 30px;
}

.insight-card {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.insight-card > span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.insight-card h3 {
  margin-top: 25px;
  font-size: 20px;
}

.insight-card p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 13px;
}

.insight-card a {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

@keyframes backgroundDrift {
  0% {
    background-position: 48% 50%;
  }
  100% {
    background-position: 53% 52%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 980px) {
  h1 {
    font-size: 56px;
  }

  h2 {
    font-size: 36px;
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 14px 0;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .hero-editorial-inner,
  .download-cover-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-index,
  .download-index {
    display: none;
  }

  .hero-editorial-inner,
  .download-cover-inner {
    padding: 58px 0 64px;
  }

  .hero-visual {
    min-height: 400px;
  }

  .hero-visual img {
    min-height: 400px;
  }

  .story-grid,
  .route-shell,
  .clients-layout,
  .install-layout,
  .pricing-grid,
  .testimonial-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .clients-intro {
    position: static;
  }

  .platform-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    border-top: 0;
  }

  .platform-index span {
    display: block;
    padding: 12px;
    border: 1px solid var(--line);
  }

  .platform-index strong {
    display: block;
    margin-bottom: 4px;
  }
}

@media (max-width: 640px) {
  .section-shell {
    width: min(100% - 28px, 1240px);
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .header-action {
    display: none;
  }

  .signal-band-inner,
  .scenario-grid,
  .flow-list,
  .pricing-grid,
  .testimonial-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .signal-cell {
    padding: 12px 0 0;
    border-top: 2px solid var(--accent-soft);
    border-left: 0;
  }

  .hero-visual,
  .hero-visual img,
  .route-visual {
    min-height: 310px;
  }

  .visual-caption {
    align-items: start;
    flex-direction: column;
  }

  .story-section,
  .route-section,
  .scenario-section,
  .clients-section {
    padding: 76px 0;
  }

  .scenario-item,
  .scenario-item + .scenario-item {
    min-height: 0;
    padding: 20px 0;
    border-left: 0;
  }

  .client-row {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .client-facts {
    padding-left: 65px;
  }

  .download-button {
    width: 100%;
  }

  .cta-inner,
  .footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .cta-inner {
    padding: 72px 0;
  }

  .install-band {
    padding-bottom: 76px;
  }

  .faq-section {
    padding-bottom: 76px;
  }
}
