:root {
  --brand-dark: #1a1a2e;
  --brand-accent: #2d7d6f;
  --brand-accent-hover: #246b5f;
  --brand-accent-light: #e8f5f1;
  --bg-white: #ffffff;
  --bg-gray: #f9fafb;
  --text-primary: #1a1a2e;
  --text-body: #374151;
  --text-muted: #6b7280;
  --text-white: #ffffff;
  --badge-gold: #f59e0b;
  --badge-gold-bg: #fef3c7;
  --success: #10b981;
  --border-light: #e5e7eb;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 12px 32px rgba(26, 26, 46, 0.08);
  --shadow-accent: 0 8px 32px rgba(45, 125, 111, 0.12);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 120px;
  --container: 1200px;
  --radius-card: 12px;
  --radius-button: 8px;
  --transition: 0.24s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text-body);
  background: var(--bg-white);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

.page-shell {
  position: relative;
  overflow-x: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  inset: auto;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.55;
}

.page-shell::before {
  top: 140px;
  right: -120px;
  width: 340px;
  height: 340px;
  background: rgba(45, 125, 111, 0.1);
}

.page-shell::after {
  top: 860px;
  left: -140px;
  width: 280px;
  height: 280px;
  background: rgba(245, 158, 11, 0.08);
}

.container {
  width: min(var(--container), calc(100% - 64px));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: var(--space-4xl) 0;
}

section[id] {
  scroll-margin-top: 104px;
}

.section-gray {
  background: var(--bg-gray);
}

.section-dark {
  background: var(--brand-dark);
  color: var(--text-white);
}

.eyebrow {
  margin: 0 0 var(--space-md);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-accent);
}

.section-heading {
  margin: 0 auto;
  max-width: 760px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.2;
  color: var(--text-primary);
}

.section-heading p {
  margin: 16px auto 0;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
}

.accent {
  color: var(--brand-accent);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease,
    box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.85);
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
}

.nav-bar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

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

.brand-lockup img {
  width: 150px;
  height: auto;
}

.desktop-nav,
.nav-actions {
  display: flex;
  align-items: center;
}

.desktop-nav {
  gap: 32px;
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: color var(--transition);
}

.nav-link:hover,
.footer-link:hover {
  color: var(--brand-accent);
}

.nav-actions {
  gap: 16px;
}

.auth-slot {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 40px;
  min-height: 40px;
}

.auth-signin {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(45, 125, 111, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
}

.auth-signin:hover {
  border-color: var(--brand-accent);
  color: var(--brand-accent);
  background: var(--bg-white);
}

.auth-loading {
  width: 32px;
  height: 32px;
  border: 2px solid rgba(45, 125, 111, 0.18);
  border-top-color: var(--brand-accent);
  border-radius: 999px;
  animation: auth-spin 0.8s linear infinite;
}

.auth-menu {
  position: relative;
}

.auth-avatar-button {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(45, 125, 111, 0.24);
  border-radius: 999px;
  background: var(--brand-accent-light);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}

.auth-avatar-button img {
  width: 32px;
  height: 32px;
  border-radius: 999px;
}

.auth-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 176px;
  padding: 8px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.auth-menu.open .auth-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.auth-dropdown button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  text-align: left;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 600;
}

.auth-dropdown button:hover {
  background: var(--brand-accent-light);
  color: var(--brand-dark);
}

.lang-switcher {
  position: relative;
}

.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: background-color var(--transition), color var(--transition);
}

.lang-trigger:hover,
.lang-switcher.open .lang-trigger {
  background: rgba(45, 125, 111, 0.08);
  color: var(--text-primary);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 132px;
  padding: 8px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
}

.lang-switcher.open .lang-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-option {
  width: 100%;
  padding: 10px 12px;
  text-align: left;
  border-radius: 10px;
  color: var(--text-body);
}

.lang-option:hover,
.lang-option.is-active {
  background: var(--brand-accent-light);
  color: var(--brand-dark);
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-button);
  font-size: 16px;
  font-weight: 600;
  transition: transform var(--transition), background-color var(--transition),
    box-shadow var(--transition), color var(--transition), border-color var(--transition);
}

.button-primary {
  background: var(--brand-accent);
  color: var(--text-white);
  box-shadow: 0 8px 24px rgba(45, 125, 111, 0.18);
}

.button-primary:hover {
  transform: translateY(-1px);
  background: var(--brand-accent-hover);
  box-shadow: 0 10px 24px rgba(45, 125, 111, 0.22);
}

.button-secondary {
  border: 1.5px solid var(--brand-accent);
  color: var(--brand-accent);
  background: transparent;
}

.button-secondary:hover {
  transform: translateY(-1px);
  background: rgba(45, 125, 111, 0.06);
}

.button-primary.button-block {
  width: 100%;
  min-height: 52px;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--text-primary);
  background: rgba(45, 125, 111, 0.08);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 990;
  padding: 108px 20px 32px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu-inner {
  display: flex;
  min-height: calc(100vh - 140px);
  flex-direction: column;
  justify-content: space-between;
}

.mobile-nav-links {
  display: grid;
  gap: 18px;
}

.mobile-nav-link {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-lang-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mobile-lang-option {
  min-width: 84px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  color: var(--text-body);
}

.mobile-lang-option.is-active {
  border-color: var(--brand-accent);
  background: var(--brand-accent-light);
  color: var(--brand-dark);
}

.hero {
  padding-top: calc(var(--space-5xl) + 64px);
  padding-bottom: var(--space-4xl);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 48px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.hero-brand .eyebrow {
  margin: 0;
}

.hero-full-logo {
  width: 96px;
  height: auto;
  flex: 0 0 auto;
  filter: drop-shadow(0 14px 32px rgba(26, 26, 46, 0.12));
}

.hero-title {
  margin: 0;
  font-size: 56px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--text-primary);
}

.hero-subtitle {
  max-width: 520px;
  margin: 24px 0 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 32px;
}

.inline-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-accent-light);
  color: var(--text-body);
  font-size: 13px;
  font-weight: 600;
}

.inline-badge .icon {
  color: var(--brand-accent);
}

.inline-badge.success .icon {
  color: var(--success);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -18px -24px auto auto;
  width: 180px;
  height: 180px;
  border-radius: 24px;
  opacity: 0.08;
  background:
    linear-gradient(90deg, rgba(26, 26, 46, 0.9) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(rgba(26, 26, 46, 0.9) 1px, transparent 1px) 0 0 / 30px 30px;
}

.visual-shell {
  position: relative;
  border: 1px solid var(--border-light);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfd 100%);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.visual-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  background: rgba(249, 250, 251, 0.85);
}

.traffic-lights {
  display: flex;
  gap: 8px;
}

.traffic-lights span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #d1d5db;
}

.traffic-lights span:first-child {
  background: #f97316;
}

.traffic-lights span:nth-child(2) {
  background: #f59e0b;
}

.traffic-lights span:last-child {
  background: #10b981;
}

.visual-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.visual-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
}

.visual-content {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  min-height: 470px;
}

.visual-sidebar {
  border-right: 1px solid var(--border-light);
  background: #fcfcfd;
  padding: 22px 18px;
}

.panel-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.tree-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
}

.tree-item.active {
  background: var(--brand-accent-light);
  color: var(--brand-dark);
}

.tree-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--brand-accent);
  flex: 0 0 auto;
}

.visual-main {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.code-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.9);
}

.code-tab {
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(45, 125, 111, 0.08);
  color: var(--brand-accent);
  font-size: 12px;
  font-weight: 700;
}

.code-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 0;
}

.code-panel {
  padding: 24px;
  background: linear-gradient(180deg, #fff 0%, #fafafa 100%);
}

.code-panel pre {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-body);
  white-space: pre-wrap;
}

.status-panel {
  border-left: 1px solid var(--border-light);
  background: #f7fbfa;
  padding: 20px 18px;
}

.status-card {
  padding: 16px;
  border-radius: 14px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.status-card + .status-card {
  margin-top: 12px;
}

.status-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--text-primary);
}

.status-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  font-size: 11px;
  font-weight: 700;
}

.activity-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--border-light);
  background: #fcfffe;
}

.activity-box {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(45, 125, 111, 0.06);
}

.activity-box span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.activity-box strong {
  display: block;
  margin-top: 8px;
  color: var(--text-primary);
  font-size: 18px;
}

.trust-bar {
  padding: 0 0 32px;
  background: transparent;
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.trust-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 58px;
  padding: 14px 18px;
  border: 1px solid rgba(229, 231, 235, 0.92);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
}

.trust-pill .icon {
  color: var(--brand-accent);
}

.trust-separator {
  display: inline-block;
  margin: 0 8px;
  color: var(--brand-accent);
}

.card-grid {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

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

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

.problem-card,
.feature-card,
.step-card,
.metric-card,
.faq-item,
.pricing-card,
.demo-shell {
  border-radius: var(--radius-card);
}

.problem-card {
  padding: 32px;
  background: var(--bg-gray);
}

.problem-card .icon-wrap {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--brand-accent-light);
  color: var(--brand-accent);
}

.problem-card h3,
.feature-card h3,
.step-card h3 {
  margin: 20px 0 12px;
  font-size: 22px;
  line-height: 1.3;
  color: var(--text-primary);
}

.problem-card p,
.feature-card p,
.step-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.feature-card {
  padding: 32px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--brand-accent);
  box-shadow: 0 4px 16px rgba(45, 125, 111, 0.1);
}

.feature-card .icon {
  color: var(--brand-accent);
}

.verification-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #121827 0%, #1a1a2e 52%, #123a33 100%);
  color: var(--text-white);
}

.verification-section::before,
.verification-section::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.42;
}

.verification-section::before {
  top: 48px;
  right: -120px;
  width: 260px;
  height: 260px;
  background: rgba(45, 125, 111, 0.42);
}

.verification-section::after {
  left: -120px;
  bottom: 24px;
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.12);
}

.verification-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.88fr);
  gap: 40px;
  align-items: start;
}

.verification-copy .eyebrow {
  color: rgba(232, 245, 241, 0.82);
}

.verification-copy h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.15;
  color: var(--text-white);
}

.verification-body {
  margin: 24px 0 0;
  max-width: 620px;
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

.verification-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.verification-stat {
  padding: 22px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}

.verification-stat strong {
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--text-white);
}

.verification-stat span {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.66);
}

.verification-flow {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  box-shadow: 0 18px 40px rgba(5, 10, 20, 0.26);
}

.verification-step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(10, 16, 28, 0.44);
}

.verification-step + .verification-step::before {
  content: "";
  position: absolute;
  top: -15px;
  left: 40px;
  width: 2px;
  height: 15px;
  background: linear-gradient(180deg, rgba(141, 227, 200, 0) 0%, rgba(141, 227, 200, 0.7) 100%);
}

.verification-step-index {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(45, 125, 111, 0.18);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.92);
}

.verification-step-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.verification-step-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: #8de3c8;
  flex: 0 0 auto;
}

.verification-step-icon .icon {
  width: 26px;
  height: 26px;
}

.verification-step-label {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text-white);
}

.verification-step.is-highlight {
  border-color: rgba(141, 227, 200, 0.32);
  background: linear-gradient(135deg, rgba(45, 125, 111, 0.22) 0%, rgba(255, 255, 255, 0.08) 100%);
}

.verification-step.is-highlight .verification-step-index {
  background: var(--brand-accent);
}

.steps-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.step-card {
  position: relative;
  padding: 40px 32px 32px;
  text-align: center;
  background: var(--bg-white);
  box-shadow: var(--shadow-soft);
}

.step-number {
  position: absolute;
  left: 50%;
  top: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transform: translate(-50%, -24px);
  background: var(--brand-accent);
  color: var(--text-white);
  font-size: 20px;
  font-weight: 700;
}

.step-card .icon {
  margin: 10px auto 0;
  color: var(--brand-accent);
}

.step-arrow {
  position: absolute;
  top: 52%;
  width: calc(33.333% - 12px);
  height: 0;
  border-top: 1.5px dashed rgba(107, 114, 128, 0.45);
  pointer-events: none;
}

.step-arrow::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -5px;
  width: 8px;
  height: 8px;
  border-top: 1.5px solid rgba(107, 114, 128, 0.45);
  border-right: 1.5px solid rgba(107, 114, 128, 0.45);
  transform: rotate(45deg);
}

.step-arrow.arrow-1 {
  left: calc(33.333% - 6px);
}

.step-arrow.arrow-2 {
  left: calc(66.666% - 18px);
}

.demo-shell {
  position: relative;
  width: min(960px, 80%);
  margin: 48px auto 0;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
  background: linear-gradient(160deg, #ffffff 0%, #f4faf8 100%);
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.demo-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(45, 125, 111, 0.18), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(245, 158, 11, 0.14), transparent 22%);
  pointer-events: none;
}

.demo-inner {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 28px;
}

.demo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.demo-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(229, 231, 235, 0.8);
  color: var(--text-body);
  font-size: 13px;
  font-weight: 600;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.demo-terminal,
.demo-summary {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(229, 231, 235, 0.85);
}

.demo-terminal {
  padding: 22px;
}

.demo-terminal pre {
  margin: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  line-height: 1.8;
  color: #20343f;
}

.demo-summary {
  padding: 22px;
}

.demo-summary h3 {
  margin: 0 0 14px;
  font-size: 26px;
  line-height: 1.25;
  color: var(--text-primary);
}

.demo-summary p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.demo-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.demo-stat {
  padding: 14px;
  border-radius: 14px;
  background: rgba(45, 125, 111, 0.08);
}

.demo-stat span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.demo-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
  color: var(--text-primary);
}

.play-button {
  position: absolute;
  inset: 50% auto auto 50%;
  z-index: 2;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--brand-accent);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
  animation: pulse 1.5s ease-in-out infinite;
}

.play-button:hover {
  background: var(--bg-white);
}

.demo-shell.has-video .play-button {
  display: inline-flex;
}

.demo-shell iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}

.demo-note {
  margin-top: 18px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-wrap {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.pricing-card {
  width: min(480px, 100%);
  padding: 40px;
  border: 2px solid var(--brand-accent);
  border-radius: 16px;
  background: var(--bg-white);
  box-shadow: var(--shadow-accent);
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--badge-gold-bg);
  color: var(--badge-gold);
  font-size: 13px;
  font-weight: 600;
}

.pricing-head {
  margin-top: 24px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.pricing-price strong {
  font-size: 48px;
  line-height: 1;
  color: var(--brand-accent);
}

.pricing-period {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-muted);
}

.pricing-old {
  font-size: 18px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.pricing-note {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.pricing-list {
  display: grid;
  gap: 12px;
  margin: 32px 0;
}

.pricing-item {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--text-body);
}

.pricing-item .icon {
  flex: 0 0 auto;
  color: var(--success);
}

.pricing-footnote {
  margin-top: 12px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
  margin-top: 48px;
}

.metric-card {
  text-align: center;
}

.metric-value {
  font-size: 48px;
  font-weight: 800;
  color: var(--brand-accent);
}

.metric-copy {
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
}

.faq-wrap {
  width: min(800px, 100%);
  margin: 48px auto 0;
  display: grid;
  gap: 8px;
}

.faq-item {
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid rgba(229, 231, 235, 0.92);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  color: var(--text-primary);
  text-align: left;
  font-size: 17px;
  font-weight: 600;
}

.faq-question .icon {
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

.faq-item.open .faq-question .icon {
  transform: rotate(180deg);
}

.final-cta {
  text-align: center;
}

.final-cta h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.2;
  color: var(--text-white);
}

.final-cta p {
  margin: 16px auto 32px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.footer {
  background: var(--brand-dark);
  color: rgba(255, 255, 255, 0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 64px 0 32px;
}

.footer-brand p {
  margin: 12px 0 0;
  max-width: 280px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.52);
}

.footer-brand img {
  width: 140px;
  height: auto;
}

.footer-heading {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.42);
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-link,
.footer-button {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.72);
  transition: color var(--transition);
}

.footer-button {
  padding: 0;
  text-align: left;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.social-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-link {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

.social-link:hover {
  color: var(--text-white);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 1200;
  max-width: min(92vw, 420px);
  padding: 14px 18px;
  border-radius: 12px;
  transform: translate(-50%, 20px);
  background: rgba(26, 26, 46, 0.94);
  color: var(--text-white);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.account-modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.account-modal.is-open {
  display: flex;
}

.account-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(10px);
}

.account-panel {
  position: relative;
  z-index: 1;
  width: min(480px, 100%);
  padding: 32px;
  border: 1px solid rgba(229, 231, 235, 0.92);
  border-radius: 18px;
  background: var(--bg-white);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.account-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  color: var(--text-muted);
  background: var(--bg-gray);
  font-size: 24px;
  line-height: 1;
}

.account-close:hover {
  color: var(--brand-dark);
}

.account-panel h2 {
  margin: 0 0 24px;
  color: var(--text-primary);
  font-size: 30px;
  line-height: 1.2;
}

.account-rows {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.account-rows div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.account-rows span {
  color: var(--text-muted);
  font-size: 14px;
}

.account-rows strong {
  color: var(--text-primary);
  font-size: 15px;
  text-align: right;
  word-break: break-word;
}

.account-note {
  margin: 0 0 20px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--brand-accent-light);
  color: var(--brand-dark);
  font-size: 14px;
  line-height: 1.6;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.reveal.reveal-right {
  transform: translateX(40px);
  transition-duration: 0.6s;
}

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

.subpage-hero {
  padding-top: calc(var(--space-5xl) + 64px);
  padding-bottom: 72px;
}

.subpage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 40px;
  align-items: start;
}

.subpage-copy .eyebrow {
  margin-bottom: 14px;
}

.subpage-title {
  margin: 0;
  font-size: 52px;
  line-height: 1.08;
  color: var(--text-primary);
}

.subpage-body {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 19px;
  line-height: 1.7;
  color: var(--text-muted);
}

.subpage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}

.subpage-kpis {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}

.mini-stat {
  padding: 20px 22px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, #f6fbf9 100%);
  border: 1px solid rgba(229, 231, 235, 0.92);
  box-shadow: var(--shadow-soft);
}

.mini-stat span {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
}

.mini-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
  line-height: 1.2;
  color: var(--text-primary);
}

.subpage-sidecard,
.info-card,
.mode-card,
.timeline-card,
.resource-card,
.policy-shell {
  border-radius: 16px;
  background: var(--bg-white);
  border: 1px solid rgba(229, 231, 235, 0.92);
  box-shadow: var(--shadow-soft);
}

.subpage-sidecard {
  padding: 28px;
}

.subpage-sidecard h3,
.info-card h3,
.mode-card h3,
.timeline-card h3,
.resource-card h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
  color: var(--text-primary);
}

.subpage-sidecard p,
.info-card p,
.mode-card p,
.timeline-card p,
.resource-card p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.subpage-sidecard .check-list {
  margin-top: 22px;
}

.check-list {
  display: grid;
  gap: 12px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
}

.check-item .icon {
  margin-top: 1px;
  color: var(--success);
}

.info-grid,
.mode-grid,
.resource-grid {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.info-grid,
.resource-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.info-card,
.mode-card,
.resource-card {
  padding: 28px;
}

.info-card .icon,
.mode-card .icon,
.resource-card .icon {
  color: var(--brand-accent);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.detail-card {
  padding: 28px;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fafcfb 100%);
  border: 1px solid rgba(229, 231, 235, 0.92);
}

.detail-card h3 {
  margin: 0;
  font-size: 22px;
  color: var(--text-primary);
}

.detail-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.detail-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.detail-list div {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--bg-gray);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
}

.detail-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.timeline {
  display: grid;
  gap: 16px;
  margin-top: 48px;
}

.timeline-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 24px;
  align-items: start;
}

.timeline-index {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: var(--brand-accent-light);
  color: var(--brand-accent);
  font-size: 22px;
  font-weight: 800;
}

.timeline-copy p {
  margin-top: 8px;
}

.section-copy {
  max-width: 760px;
}

.section-copy p {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
}

.cta-band {
  margin-top: 48px;
  padding: 34px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--brand-dark) 0%, #202345 100%);
  box-shadow: 0 18px 48px rgba(26, 26, 46, 0.18);
}

.cta-band h3 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
  color: var(--text-white);
}

.cta-band p {
  max-width: 660px;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
}

.cta-band .subpage-actions {
  margin-top: 26px;
}

.content-shell {
  width: min(920px, 100%);
  margin: 0 auto;
}

.policy-shell {
  padding: 34px 34px 10px;
  margin-top: 48px;
}

.policy-meta {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.policy-block + .policy-block {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
}

.policy-block h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.3;
  color: var(--text-primary);
}

.policy-block p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
}

.policy-block ul {
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--text-body);
}

.policy-block li {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
}

.resource-anchor {
  scroll-margin-top: 110px;
}

.icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.icon.icon-lg {
  width: 32px;
  height: 32px;
}

.icon.icon-xl {
  width: 40px;
  height: 40px;
}

@keyframes pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) scale(1.05);
  }
}

@keyframes auth-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 1023px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 168px;
  }

  .hero-grid,
  .demo-grid,
  .subpage-grid {
    grid-template-columns: 1fr;
  }

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

  .trust-list,
  .verification-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .verification-grid {
    grid-template-columns: 1fr;
  }

  .visual-content,
  .code-workspace {
    grid-template-columns: 1fr;
  }

  .visual-sidebar,
  .status-panel {
    border: 0;
    border-top: 1px solid var(--border-light);
  }

  .steps-grid {
    gap: 20px;
  }

  .step-arrow {
    display: none;
  }

  .demo-shell {
    width: 100%;
  }

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

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

@media (max-width: 767px) {
  .container {
    width: min(var(--container), calc(100% - 40px));
  }

  .desktop-nav,
  .nav-actions .lang-switcher,
  .nav-actions .button-primary {
    display: none;
  }

  .auth-signin {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero {
    padding-top: 164px;
    padding-bottom: 64px;
  }

  .subpage-hero {
    padding-top: 164px;
    padding-bottom: 56px;
  }

  .hero-grid,
  .problem-grid,
  .feature-grid,
  .steps-grid,
  .metrics-grid,
  .footer-grid,
  .activity-strip,
  .demo-stat-grid,
  .info-grid,
  .resource-grid,
  .mode-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
  }

  .hero-full-logo {
    width: 84px;
  }

  .subpage-title {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .trust-list,
  .verification-stats {
    grid-template-columns: 1fr;
  }

  .trust-pill {
    justify-content: flex-start;
    border-radius: 18px;
  }

  .verification-copy h2 {
    font-size: 32px;
  }

  .verification-body {
    font-size: 16px;
  }

  .verification-flow {
    padding: 18px;
  }

  .verification-step {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 12px;
  }

  .verification-step + .verification-step::before {
    left: 22px;
  }

  .verification-step-main {
    align-items: flex-start;
  }

  .hero-actions,
  .subpage-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .button-primary,
  .hero-actions .button-secondary,
  .subpage-actions .button-primary,
  .subpage-actions .button-secondary {
    width: 100%;
  }

  .section-heading h2,
  .final-cta h2 {
    font-size: 28px;
  }

  .badge-row {
    gap: 12px;
  }

  .visual-toolbar,
  .code-tabs,
  .demo-topbar {
    flex-wrap: wrap;
  }

  .pricing-card {
    padding: 32px 24px;
  }

  .subpage-sidecard,
  .info-card,
  .mode-card,
  .resource-card,
  .policy-shell,
  .cta-band {
    padding: 24px;
  }

  .timeline-card {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .timeline-index {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 20px;
  }

  .metric-value,
  .pricing-price strong {
    font-size: 40px;
  }

  .demo-shell {
    margin-top: 40px;
  }

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

  .account-panel {
    padding: 28px 22px 24px;
  }

  .account-panel h2 {
    font-size: 26px;
  }

  .account-rows div {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .account-rows strong {
    text-align: left;
  }

  .brand-lockup img {
    width: 136px;
  }

  .footer-brand img {
    width: 132px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}