:root {
  --ink: #0b2531;
  --ink-2: #173b48;
  --emerald: #16a36a;
  --emerald-dark: #0b7d50;
  --emerald-hover: #08623f;
  --mint: #dcefe8;
  --mint-strong: #91d8bd;
  --canvas: #eff7f4;
  --paper: #f7fbfa;
  --stage-one: #a9d9d1;
  --stage-two: #8bcbd2;
  --text: #17323d;
  --muted: #5e7279;
  --line: rgba(11, 37, 49, 0.13);
  --shadow: 0 24px 70px rgba(11, 37, 49, 0.12);
  --shadow-soft: 0 12px 36px rgba(11, 37, 49, 0.08);
  --radius: 28px;
  --radius-sm: 18px;
  --container: min(1180px, calc(100vw - 40px));
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--canvas);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  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(--ink);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(247, 251, 250, 0.92);
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 112px 0;
}

.section-sm {
  padding: 72px 0;
}

.section-dark {
  color: #fff;
  background: var(--ink);
}

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

.section-mint {
  background: var(--mint);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--emerald-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  background: currentColor;
  content: "";
}

.section-dark .eyebrow {
  color: var(--mint-strong);
}

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

h1,
h2,
h3 {
  color: var(--ink);
  font-weight: 760;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: #fff;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(48px, 6.1vw, 82px);
}

html[lang="en"] .hero h1 {
  font-size: clamp(48px, 5.2vw, 68px);
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(36px, 4.4vw, 58px);
}

h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(18px, 1.8vw, 21px);
  line-height: 1.7;
}

.section-dark .lead,
.section-dark .muted {
  color: rgba(255, 255, 255, 0.7);
}

.muted {
  color: var(--muted);
}

.microcopy {
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.62fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 58px;
}

.section-heading h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.section-heading p {
  margin-bottom: 4px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 740;
  line-height: 1.2;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

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

.button-primary {
  color: #fff;
  background: var(--emerald-dark);
  box-shadow: 0 10px 28px rgba(22, 163, 106, 0.24);
}

.button-primary:hover {
  background: var(--emerald-hover);
  box-shadow: 0 14px 34px rgba(22, 163, 106, 0.3);
}

.button-primary:focus-visible {
  color: #fff;
  background: var(--emerald-dark);
}

.button-secondary {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
}

.button-secondary:hover {
  border-color: rgba(22, 163, 106, 0.45);
  background: #fff;
}

.button-light {
  color: var(--ink);
  background: var(--canvas);
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--emerald-dark);
  font-weight: 740;
}

.text-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.text-link:hover::after {
  transform: translateX(4px);
}

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  padding: 14px 0;
  border-bottom: 1px solid transparent;
  background: rgba(239, 247, 244, 0.9);
  backdrop-filter: blur(18px);
  transition: padding 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  padding-block: 8px;
  border-color: var(--line);
  box-shadow: 0 8px 28px rgba(11, 37, 49, 0.06);
}

.nav-shell {
  display: flex;
  min-height: 56px;
  align-items: center;
  gap: 32px;
}

.brand-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.brand-link img {
  width: 224px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  position: relative;
  padding: 10px 11px;
  border-radius: 10px;
  color: #38515a;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  background: rgba(22, 163, 106, 0.08);
}

.nav-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
}

.language-switch {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 760;
}

.language-switch:hover {
  border-color: var(--emerald);
  color: var(--emerald-dark);
  background: #fff;
}

.nav-cta {
  min-height: 44px;
  padding: 11px 17px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 4px;
  background: currentColor;
  content: "";
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 1081px) {
  html[lang="en"] .nav-shell {
    gap: 24px;
  }

  html[lang="en"] .brand-link img {
    width: 200px;
  }

  html[lang="en"] .nav-links a {
    padding-inline: 8px;
    white-space: nowrap;
  }
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 90px 0 116px;
}

.hero::before {
  position: absolute;
  z-index: 0;
  top: -380px;
  right: -300px;
  width: 820px;
  height: 820px;
  border: 1px solid rgba(22, 163, 106, 0.18);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 231, 204, 0.42) 0, rgba(169, 231, 204, 0.08) 43%, transparent 67%);
  content: "";
}

.hero::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(239, 247, 244, 0.98) 0%, rgba(239, 247, 244, 0.91) 35%, rgba(239, 247, 244, 0.4) 62%, rgba(239, 247, 244, 0.14) 100%),
    linear-gradient(180deg, rgba(247, 251, 250, 0.08), rgba(239, 247, 244, 0.5));
  content: "";
  pointer-events: none;
}

.hero-journey-canvas {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.82;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-areas:
    "copy console"
    "note console";
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  grid-template-rows: auto auto;
  column-gap: clamp(48px, 7vw, 96px);
  row-gap: 0;
  align-items: center;
}

@media (min-width: 901px) {
  html[lang="en"] .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(460px, 0.95fr);
    gap: 60px;
  }
}

.hero-copy h1 {
  max-width: 690px;
}

.hero-copy {
  grid-area: copy;
  align-self: end;
}

.hero-copy .lead {
  max-width: 610px;
  margin-bottom: 34px;
}

.hero-note {
  grid-area: note;
  align-self: start;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 600px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.hero-note::before {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--emerald);
  content: "";
}

.journey-console {
  position: relative;
  grid-area: console;
  min-height: 570px;
  padding: 18px;
  border: 1px solid rgba(11, 37, 49, 0.1);
  border-radius: 36px;
  background: rgba(247, 251, 250, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  transform: rotate(1.2deg);
}

.journey-console::before {
  position: absolute;
  z-index: -1;
  inset: 44px -28px -28px 52px;
  border-radius: 40px;
  background: var(--mint-strong);
  content: "";
  transform: rotate(-3deg);
}

.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px 18px;
}

.console-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
}

.console-brand img {
  width: 30px;
  height: 30px;
}

.console-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--emerald-dark);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.console-live::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 0 6px rgba(22, 163, 106, 0.1);
  content: "";
}

.journey-map {
  position: relative;
  min-height: 250px;
  overflow: hidden;
  padding: 30px 26px;
  border-radius: 24px;
  color: #fff;
  background: var(--ink);
}

.journey-map::after {
  position: absolute;
  right: -60px;
  bottom: -90px;
  width: 230px;
  height: 230px;
  border: 46px solid rgba(55, 201, 141, 0.08);
  border-radius: 50%;
  content: "";
}

.map-title {
  position: relative;
  z-index: 2;
  margin: 0 0 36px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  font-weight: 740;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.map-route {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.map-route::before {
  position: absolute;
  z-index: -1;
  top: 18px;
  right: 8%;
  left: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--stage-one), var(--stage-two), var(--mint-strong), var(--emerald));
  content: "";
}

.route-stop {
  display: grid;
  gap: 13px;
  justify-items: center;
  color: rgba(255, 255, 255, 0.63);
  font-size: 11px;
  text-align: center;
}

.route-stop strong {
  color: #fff;
  font-size: 12px;
}

.route-dot {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 4px solid var(--ink);
  border-radius: 50%;
  color: var(--ink);
  background: var(--mint-strong);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25);
  font-size: 11px;
  font-weight: 840;
}

.route-stop:nth-child(1) .route-dot { background: var(--stage-one); }
.route-stop:nth-child(2) .route-dot { background: var(--stage-two); }
.route-stop:nth-child(4) .route-dot { background: #37c98d; }

.conversation-stack {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.conversation-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(11, 37, 49, 0.07);
  border-radius: 17px;
  background: #fff;
}

.avatar {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 13px;
  color: var(--ink);
  background: var(--mint);
  font-size: 12px;
  font-weight: 800;
}

.conversation-card:nth-child(2) .avatar { background: #d8ece8; }
.conversation-card:nth-child(3) .avatar { background: #d9eef1; }

.conversation-card strong,
.conversation-card span {
  display: block;
}

.conversation-card strong {
  margin-bottom: 2px;
  color: var(--ink);
  font-size: 13px;
}

.conversation-card span {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversation-card time {
  align-self: start;
  color: #8a9a9f;
  font-size: 10px;
}

.floating-note {
  position: absolute;
  right: -34px;
  bottom: 72px;
  max-width: 176px;
  padding: 15px 17px;
  border: 1px solid rgba(11, 37, 49, 0.1);
  border-radius: 18px;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-soft);
  font-size: 12px;
  font-weight: 680;
  transform: rotate(-3deg);
}

.floating-note span {
  display: block;
  margin-top: 5px;
  color: var(--emerald-dark);
  font-size: 11px;
}

/* Journey cards */
.journey-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.journey-card {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.journey-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.journey-number {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 52px;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: var(--stage-one);
  font-size: 12px;
  font-weight: 820;
}

.journey-card:nth-child(2) .journey-number { background: var(--stage-two); }
.journey-card:nth-child(3) .journey-number { background: var(--mint-strong); }
.journey-card:nth-child(4) .journey-number { color: #fff; background: var(--emerald-dark); }

.journey-card h3 {
  font-size: 26px;
}

.journey-card p {
  color: var(--muted);
  font-size: 14px;
}

.journey-card::after {
  position: absolute;
  right: -28px;
  bottom: -28px;
  width: 94px;
  height: 94px;
  border: 18px solid rgba(22, 163, 106, 0.08);
  border-radius: 50%;
  content: "";
}

/* WeChat journey operating signals */
.journey-metrics {
  display: grid;
  grid-template-columns: minmax(180px, 0.72fr) minmax(0, 2.28fr);
  gap: 28px;
  align-items: stretch;
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--canvas);
}

.metrics-intro {
  display: flex;
  min-height: 128px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border-radius: 20px;
  color: #fff;
  background: var(--ink);
}

.metrics-intro span {
  color: var(--mint-strong);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.metrics-intro strong {
  max-width: 160px;
  font-size: 19px;
  line-height: 1.35;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.metric-item {
  display: flex;
  min-width: 0;
  min-height: 128px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 14px;
  border: 1px solid rgba(11, 37, 49, 0.09);
  border-radius: 18px;
  background: var(--paper);
}

.metric-value {
  color: var(--emerald-dark);
  font-size: clamp(27px, 2.6vw, 38px);
  font-weight: 820;
  letter-spacing: -0.045em;
  line-height: 1;
}

.metric-label {
  margin-top: 18px;
  color: var(--ink-2);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

/* Complementary network capabilities */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.capability-card {
  display: flex;
  min-height: 280px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.capability-card:hover {
  border-color: rgba(22, 163, 106, 0.42);
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.capability-card .card-index {
  margin-bottom: 42px;
  color: var(--emerald-dark);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.capability-card h3 {
  min-height: 2.35em;
  font-size: 20px;
}

.capability-card p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.capability-domain {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  color: var(--emerald-dark);
  font-size: 11px;
  font-weight: 760;
}

.capability-domain::after {
  content: "↗";
}

.network-context {
  max-width: 860px;
  margin: 28px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--emerald);
  color: var(--muted);
  font-size: 12px;
}

/* Global audience scenarios */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  grid-column: span 3;
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
}

.scenario-card:nth-child(n + 5) {
  grid-column: span 4;
}

.scenario-card .card-index {
  display: block;
  margin-bottom: 34px;
  color: var(--emerald-dark);
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scenario-card h3 {
  font-size: 21px;
}

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

/* Split product section */
.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(460px, 1.15fr);
  gap: clamp(48px, 8vw, 108px);
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 34px 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.feature-list .check {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--emerald-dark);
  background: var(--mint);
  font-size: 13px;
  font-weight: 900;
}

.feature-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink);
}

.feature-list span {
  color: var(--muted);
  font-size: 14px;
}

.inbox-panel {
  display: grid;
  grid-template-columns: 158px minmax(0, 1fr);
  min-height: 540px;
  overflow: hidden;
  border-radius: 30px;
  background: #fff;
  box-shadow: var(--shadow);
}

.inbox-sidebar {
  padding: 26px 18px;
  color: #fff;
  background: var(--ink);
}

.inbox-sidebar .mini-logo {
  width: 34px;
  margin-bottom: 42px;
  filter: brightness(0) invert(1);
}

.inbox-nav-item {
  margin-bottom: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
}

.inbox-nav-item.active {
  color: #fff;
  background: rgba(55, 201, 141, 0.15);
}

.inbox-main {
  padding: 24px;
  background: #f3f9f7;
}

.inbox-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.inbox-topline strong {
  color: var(--ink);
  font-size: 14px;
}

.status-pill {
  padding: 6px 9px;
  border-radius: 999px;
  color: var(--emerald-dark);
  background: var(--mint);
  font-size: 9px;
  font-weight: 760;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.message-thread {
  display: grid;
  gap: 16px;
}

.thread-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.thread-meta .avatar {
  width: 44px;
  height: 44px;
}

.thread-meta strong,
.thread-meta span {
  display: block;
}

.thread-meta strong { color: var(--ink); font-size: 13px; }
.thread-meta span { color: var(--muted); font-size: 10px; }

.bubble {
  max-width: 82%;
  padding: 12px 14px;
  border-radius: 14px 14px 14px 4px;
  color: #3e555e;
  background: #fff;
  box-shadow: 0 4px 16px rgba(11, 37, 49, 0.06);
  font-size: 11px;
}

.bubble.agent {
  justify-self: end;
  border-radius: 14px 14px 4px;
  color: var(--ink);
  background: var(--mint);
}

.journey-context {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.journey-context span {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #fff;
  font-size: 9px;
}

/* Channel continuity */
.continuity-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 48px;
  align-items: center;
  padding: 58px;
  border-radius: 36px;
  color: #fff;
  background: var(--ink);
}

.continuity-shell h2 {
  color: #fff;
  font-size: clamp(38px, 4vw, 50px);
}

.channel-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.channel-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
}

.channel-card.primary {
  grid-column: 1 / -1;
  border-color: rgba(55, 201, 141, 0.48);
  background: rgba(55, 201, 141, 0.12);
}

.channel-label {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--mint-strong);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.channel-card h3 {
  color: #fff;
  font-size: 20px;
}

.channel-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
}

/* Industry and cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.info-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.info-card .card-index {
  display: block;
  margin-bottom: 48px;
  color: var(--emerald-dark);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.1em;
}

.info-card p {
  color: var(--muted);
  font-size: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--ink-2);
  background: var(--mint);
  font-size: 11px;
  font-weight: 680;
}

/* CTA */
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 78px;
  border-radius: 40px;
  color: #fff;
  background: var(--emerald-dark);
}

.cta-panel::before,
.cta-panel::after {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  content: "";
}

.cta-panel::before {
  top: -180px;
  right: -80px;
  width: 420px;
  height: 420px;
}

.cta-panel::after {
  right: 100px;
  bottom: -260px;
  width: 480px;
  height: 480px;
}

.cta-panel-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
}

.cta-panel h2 {
  max-width: 800px;
  margin-bottom: 14px;
  color: #fff;
}

.cta-panel p {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

/* Footer */
.site-footer {
  padding: 74px 0 30px;
  color: rgba(255, 255, 255, 0.66);
  background: #061b24;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.65fr) minmax(125px, 0.75fr) minmax(125px, 0.75fr) minmax(190px, 1.08fr) minmax(125px, 0.75fr);
  gap: clamp(28px, 3vw, 48px);
  padding-bottom: 54px;
}

.footer-grid > * {
  min-width: 0;
}

.footer-brand img {
  width: 218px;
  height: auto;
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 340px;
  font-size: 13px;
}

.footer-note {
  margin-top: 22px;
  padding-left: 13px;
  border-left: 2px solid rgba(55, 201, 141, 0.46);
  font-size: 11px;
}

.footer-column h3 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.footer-column a,
.footer-column span {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
}

.footer-column a:hover {
  color: var(--mint-strong);
}

.footer-contact {
  margin-top: 17px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-email {
  font-size: 11.5px !important;
  letter-spacing: -0.012em;
}

.footer-email span {
  font-size: inherit;
  white-space: nowrap;
}

@media (min-width: 901px) {
  .footer-email {
    white-space: nowrap;
  }

  .footer-email span {
    display: inline;
  }
}

.footer-contact a:first-child {
  overflow-wrap: anywhere;
}

.footer-bottom {
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 11px;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
}

.footer-legal-links a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-legal-links a:hover {
  color: var(--mint-strong);
}

/* Generic inner pages */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 90px;
}

.page-hero::after {
  position: absolute;
  z-index: -1;
  top: -250px;
  right: -180px;
  width: 600px;
  height: 600px;
  border: 96px solid rgba(22, 163, 106, 0.06);
  border-radius: 50%;
  content: "";
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 0.75fr);
  gap: 70px;
  align-items: end;
}

.page-hero h1 {
  max-width: 850px;
  font-size: clamp(46px, 4.7vw, 64px);
}

.page-hero-aside {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(247, 251, 250, 0.82);
  box-shadow: var(--shadow-soft);
}

.page-hero-aside strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-hero-aside p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 300px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.feature-card.wide {
  grid-column: span 2;
}

body[data-page="about"] .feature-card.wide > img {
  height: auto;
}

.feature-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 58px;
  place-items: center;
  border-radius: 15px;
  color: var(--ink);
  background: var(--mint);
  font-size: 16px;
  font-weight: 840;
}

.feature-card p {
  max-width: 560px;
  color: var(--muted);
}

.feature-card .tag-row {
  margin-top: 26px;
}

.steps-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-row {
  display: grid;
  grid-template-columns: 90px minmax(180px, 0.55fr) minmax(0, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

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

.step-row .step-no {
  color: var(--emerald-dark);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.12em;
}

.step-row h3 {
  margin-bottom: 0;
}

.step-row p {
  margin-bottom: 0;
  color: var(--muted);
}

/* Code and resources */
.code-window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  background: #061b24;
  box-shadow: var(--shadow);
}

.code-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.24);
}

pre {
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
}

.code-window pre {
  padding: 28px;
  color: #d6f7e8;
  font: 13px/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.code-key { color: #81d5ef; }
.code-string { color: #9ee0c9; }
.code-comment { color: #6d8b94; }

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.resource-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.resource-card:hover {
  border-color: rgba(22, 163, 106, 0.42);
  transform: translateY(-4px);
}

.resource-card .resource-type {
  margin-bottom: auto;
  color: var(--emerald-dark);
  font-size: 11px;
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.resource-card p {
  color: var(--muted);
  font-size: 14px;
}

.resource-card .text-link {
  margin-top: 10px;
}

details {
  border-top: 1px solid var(--line);
}

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

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  color: var(--ink);
  cursor: pointer;
  font-weight: 720;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }
summary::after { color: var(--emerald-dark); content: "+"; font-size: 22px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 780px; padding-bottom: 24px; color: var(--muted); }

/* Contact planner */
.contact-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
}

.contact-channel-card {
  min-width: 0;
  padding: 34px;
  border: 1px solid rgba(11, 125, 80, 0.14);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.contact-channel-card h3 {
  margin: 10px 0 10px;
  font-size: clamp(22px, 2vw, 30px);
}

.contact-channel-card p {
  color: var(--muted);
}

.contact-address {
  display: inline-block;
  margin-top: 16px;
  color: var(--emerald-dark);
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 760;
  overflow-wrap: anywhere;
}

.contact-address:hover {
  color: var(--ink);
}

.qr-service-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 28px;
  align-items: center;
}

.service-qr-link {
  display: block;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(11, 37, 49, 0.08);
}

.service-qr-link img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(460px, 1.28fr);
  gap: 70px;
  align-items: start;
}

.contact-note {
  padding: 24px;
  border-left: 4px solid var(--emerald);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--mint);
}

.contact-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.contact-note p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.planner-card {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

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

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--text);
  background: #fff;
}

.form-field input,
.form-field select {
  height: 50px;
  padding: 0 14px;
}

.form-field textarea {
  min-height: 116px;
  padding: 13px 14px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--emerald);
  outline: none;
  box-shadow: 0 0 0 4px rgba(22, 163, 106, 0.1);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.form-status {
  min-height: 24px;
  margin-top: 18px;
  color: var(--emerald-dark);
  font-size: 13px;
  font-weight: 680;
}

.brief-output {
  display: none;
  margin-top: 22px;
  padding: 18px;
  border-radius: 16px;
  color: var(--text);
  background: var(--mint);
  font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.brief-output.is-visible { display: block; }

/* 404 */
.not-found {
  display: grid;
  min-height: calc(100vh - 86px);
  place-items: center;
  padding: 70px 0;
}

.not-found-card {
  width: min(780px, calc(100vw - 40px));
  padding: 70px;
  border: 1px solid var(--line);
  border-radius: 40px;
  text-align: center;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.not-found-code {
  display: block;
  margin-bottom: 20px;
  color: var(--emerald);
  font-size: clamp(70px, 16vw, 150px);
  font-weight: 820;
  line-height: 0.85;
  letter-spacing: -0.08em;
}

.not-found-card h1 {
  font-size: clamp(44px, 5vw, 60px);
}

/* Reveal */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal,
  .motion-ready .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .nav-links {
    gap: 0;
  }

  .nav-links a {
    padding-inline: 8px;
    font-size: 13px;
  }

  .brand-link img {
    width: 190px;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.95fr;
    gap: 42px;
  }

  .journey-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-grid,
  .capability-grid,
  .scenario-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .scenario-card,
  .scenario-card:nth-child(n + 5) {
    grid-column: auto;
  }

  .journey-card {
    min-height: 290px;
  }

  .split-grid,
  .continuity-shell,
  .contact-grid {
    gap: 46px;
  }
}

@media (max-width: 900px) {
  :root {
    --container: min(100% - 32px, 760px);
  }

  .section {
    padding: 88px 0;
  }

  .nav-shell {
    gap: 12px;
  }

  .nav-links {
    position: fixed;
    z-index: 99;
    top: 84px;
    right: 16px;
    left: 16px;
    display: grid;
    max-height: calc(100vh - 102px);
    gap: 4px;
    align-content: start;
    overflow-y: auto;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--paper);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-14px) scale(0.98);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav-links a {
    padding: 13px 14px;
    font-size: 15px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-actions {
    margin-left: auto;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 70px;
  }

  .hero-grid,
  .split-grid,
  .continuity-shell,
  .contact-grid,
  .page-hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    grid-template-areas:
      "copy"
      "console"
      "note";
    row-gap: 0;
  }

  .hero-copy h1 {
    max-width: 760px;
  }

  .journey-console {
    width: min(620px, 100%);
    margin-top: 36px;
    margin-inline: auto;
  }

  .hero-note {
    margin-top: 22px;
  }

  .hero-journey-canvas {
    opacity: 0.46;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .journey-metrics {
    grid-template-columns: 1fr;
  }

  .metrics-intro {
    min-height: 100px;
  }

  .metric-grid,
  .capability-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .continuity-shell {
    padding: 48px;
  }

  .card-grid,
  .resource-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cta-panel {
    padding: 58px;
  }

  .cta-panel-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  :root {
    --container: calc(100% - 28px);
    --radius: 22px;
  }

  .section {
    padding: 72px 0;
  }

  .site-header {
    padding-block: 8px;
  }

  .brand-link img {
    width: 164px;
  }

  .language-switch,
  .menu-toggle {
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
  }

  .nav-links {
    top: 76px;
  }

  .hero {
    padding: 32px 0 56px;
  }

  h1 {
    font-size: clamp(38px, 10.4vw, 46px);
  }

  html[lang="en"] .hero h1 {
    font-size: clamp(38px, 10.2vw, 44px);
  }

  h2 {
    font-size: clamp(34px, 10vw, 46px);
  }

  .hero-copy .lead {
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.58;
  }

  .button-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-items: stretch;
  }

  .button-row .button {
    width: 100%;
    min-height: 52px;
    padding: 10px 6px;
    font-size: clamp(11px, 3.5vw, 12px);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

  .journey-console {
    min-height: 400px;
    margin-top: 24px;
    padding: 10px;
    border-radius: 28px;
    transform: none;
  }

  .journey-console::before {
    right: -12px;
    bottom: -14px;
    left: 18px;
  }

  .journey-map {
    min-height: 200px;
    padding: 18px 12px;
  }

  .map-title {
    margin-bottom: 26px;
  }

  .map-route {
    gap: 3px;
  }

  .route-stop {
    font-size: 9px;
  }

  .route-stop strong {
    font-size: 10px;
  }

  .route-dot {
    width: 32px;
    height: 32px;
    font-size: 9px;
  }

  .floating-note {
    display: none;
  }

  .hero-note {
    margin-top: 14px;
    font-size: 10.5px;
    line-height: 1.5;
  }

  .hero-journey-canvas {
    display: none;
  }

  .journey-grid,
  .card-grid,
  .feature-grid,
  .resource-grid,
  .channel-flow,
  .contact-channel-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .qr-service-card {
    grid-template-columns: 1fr;
  }

  .service-qr-link {
    width: min(210px, 100%);
    margin-inline: auto;
  }

  .journey-metrics {
    gap: 14px;
    padding: 14px;
  }

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

  .metric-item {
    min-height: 132px;
  }

  .metric-item:last-child {
    grid-column: 1 / -1;
  }

  .capability-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .capability-card,
  .scenario-card {
    min-height: auto;
  }

  .journey-card {
    min-height: auto;
  }

  .journey-number,
  .feature-icon,
  .info-card .card-index {
    margin-bottom: 34px;
  }

  .inbox-panel {
    grid-template-columns: 76px minmax(0, 1fr);
    min-height: 500px;
  }

  .inbox-sidebar {
    padding-inline: 9px;
  }

  .inbox-sidebar .mini-logo {
    margin-inline: auto;
  }

  .inbox-nav-item {
    overflow: hidden;
    padding-inline: 6px;
    font-size: 9px;
    text-align: center;
  }

  .inbox-main {
    padding: 16px 12px;
  }

  .continuity-shell {
    padding: 32px 22px;
  }

  .channel-card.primary {
    grid-column: auto;
  }

  .cta-panel {
    padding: 44px 24px;
    border-radius: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-legal-links {
    width: 100%;
  }

  .page-hero {
    padding: 64px 0 70px;
  }

  .page-hero h1 {
    font-size: clamp(40px, 11vw, 48px);
  }

  .feature-card.wide {
    grid-column: auto;
  }

  .step-row {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
  }

  .step-row p {
    grid-column: 2;
  }

  .planner-card {
    padding: 24px;
  }

  .form-field.full {
    grid-column: auto;
  }

  .not-found-card {
    padding: 46px 24px;
  }
}