:root {
  --color-primary: #2557f6;
  --color-primary-dark: #16368f;
  --color-accent: #7657ff;
  --color-cyan: #20a8ff;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f8ff;
  --color-bg-panel: #eef4ff;
  --color-text: #0c1428;
  --color-muted: #5c6880;
  --color-subtle: #8390a6;
  --color-border: #dce5f3;
  --color-card: rgba(255, 255, 255, 0.92);
  --color-success: #0b8f75;
  --color-warning: #9a6400;
  --color-warning-bg: #fff7df;
  --shadow-soft: 0 20px 60px rgba(29, 50, 103, 0.10);
  --shadow-card: 0 14px 34px rgba(29, 50, 103, 0.07);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --container-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 8%, rgba(37, 87, 246, 0.08), transparent 26%),
    radial-gradient(circle at 92% 16%, rgba(118, 87, 255, 0.07), transparent 28%),
    #ffffff;
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

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

.container,
.nav-shell,
.hero-inner,
.footer-inner,
.page-hero-inner {
  width: min(100% - 48px, var(--container-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(220, 229, 243, 0.76);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  font-weight: 850;
}

.brand-link img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 24px rgba(37, 87, 246, 0.14);
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-name {
  font-size: 20px;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  margin-top: 4px;
  color: var(--color-subtle);
  font-size: 12px;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  padding: 9px 11px;
  border-radius: var(--radius-md);
  color: #31415f;
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: #eef4ff;
  color: var(--color-primary);
  outline: none;
}

.nav-cta {
  margin-left: 8px;
  background: var(--color-primary) !important;
  color: #ffffff !important;
  box-shadow: 0 12px 24px rgba(37, 87, 246, 0.20);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text);
  cursor: pointer;
}

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

.menu-toggle {
  flex-direction: column;
  gap: 5px;
}

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

.menu-toggle[aria-expanded="true"]::before {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"]::after {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 70px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 255, 0.86)),
    linear-gradient(135deg, #ffffff 0%, #eef4ff 54%, #f6f3ff 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 87, 246, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 87, 246, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  pointer-events: none;
}

.hero::after {
  position: absolute;
  top: 110px;
  right: -220px;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 87, 246, 0.14), transparent 64%);
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(640px, 1.12fr);
  align-items: center;
  gap: 56px;
}

.hero-copy,
.hero-visual,
.command-center,
.product-card,
.feature-card,
.scenario-card,
.tech-card {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  border: 1px solid rgba(37, 87, 246, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  padding: 7px 11px;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 850;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  content: "";
}

.hero-copy h1,
.page-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #091225;
  font-size: 58px;
  line-height: 1.1;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-title-line {
  display: inline;
}

.hero-highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  background-clip: text;
  color: transparent;
}

.hero-copy p,
.page-hero p {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.btn,
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.button:hover,
.btn:focus-visible,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.btn-primary,
.button.primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 87, 246, 0.22);
}

.btn-primary:hover,
.button.primary:hover,
.btn-primary:focus-visible,
.button.primary:focus-visible {
  background: var(--color-primary-dark);
}

.btn-secondary,
.button.secondary {
  border-color: #c9d5eb;
  background: rgba(255, 255, 255, 0.88);
  color: var(--color-primary-dark);
}

.btn-secondary:hover,
.button.secondary:hover,
.btn-secondary:focus-visible,
.button.secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 10px 24px rgba(37, 87, 246, 0.08);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 620px;
  margin-top: 44px;
}

.proof-item {
  display: grid;
  gap: 6px;
}

.proof-icon {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(37, 87, 246, 0.18);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 900;
}

.proof-item strong {
  font-size: 14px;
}

.proof-item span {
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.55;
}

.command-center {
  position: relative;
  border: 1px solid rgba(37, 87, 246, 0.32);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.command-center::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(37, 87, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 87, 246, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  content: "";
  pointer-events: none;
}

.command-tab {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-left: 22px;
  padding: 10px 24px;
  border-radius: 0 0 14px 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  font-size: 14px;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(37, 87, 246, 0.20);
}

.command-body {
  position: relative;
  z-index: 1;
  padding: 18px;
}

.capability-rail,
.command-footer {
  display: grid;
  grid-template-columns: 1.1fr repeat(5, 1fr);
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(220, 229, 243, 0.88);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  padding: 12px;
}

.capability-title,
.command-footer strong {
  padding-left: 6px;
  color: #21304d;
  font-size: 14px;
  font-weight: 850;
}

.capability-pill,
.infra-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: #f6f8fe;
  color: #334464;
  font-size: 12px;
  font-weight: 760;
  white-space: nowrap;
}

.product-system {
  display: grid;
  gap: 14px;
  margin: 16px 0;
}

.system-row {
  display: grid;
  grid-template-columns: 78px minmax(250px, 1fr) minmax(330px, 0.9fr);
  align-items: stretch;
  border: 1px solid rgba(220, 229, 243, 0.96);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  overflow: hidden;
}

.row-index {
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 14px;
  background: linear-gradient(180deg, var(--color-primary), #4d79ff);
  color: #ffffff;
  font-size: 12px;
  font-weight: 850;
}

.row-index.violet {
  background: linear-gradient(180deg, var(--color-accent), #927cff);
}

.row-index.neutral {
  background: linear-gradient(180deg, #9aa7bc, #6b778b);
}

.row-index span:first-child {
  font-size: 15px;
}

.row-main {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  padding: 18px;
}

.row-mark,
.icon-mark,
.matrix-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(37, 87, 246, 0.18);
}

.row-mark.violet,
.icon-mark.violet,
.matrix-icon.violet {
  background: linear-gradient(135deg, #5b84ff, var(--color-accent));
}

.row-mark.neutral,
.icon-mark.teal,
.matrix-icon.teal {
  background: linear-gradient(135deg, #a3adbf, #66758d);
}

.row-main h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 18px;
}

.row-main p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.65;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: center;
  padding: 18px;
}

.workflow-step {
  display: grid;
  justify-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 12px;
  text-align: center;
}

.workflow-dot {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid #dbe4f3;
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 900;
}

.command-footer {
  grid-template-columns: 1.2fr repeat(4, 1fr);
  padding: 10px 12px;
}

.section {
  padding: 88px 0;
}

.section.compact {
  padding: 62px 0;
}

.section-soft,
.section.soft {
  background:
    linear-gradient(180deg, rgba(245, 248, 255, 0.82), rgba(255, 255, 255, 0.96)),
    var(--color-bg-soft);
}

.section-tint,
.section.tint {
  background:
    radial-gradient(circle at 88% 16%, rgba(118, 87, 255, 0.08), transparent 28%),
    linear-gradient(135deg, rgba(37, 87, 246, 0.06), rgba(118, 87, 255, 0.05)),
    #fbfcff;
}

.section-header,
.section-heading {
  max-width: 780px;
  margin: 0 0 34px;
}

.section-header.center,
.section-heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-header h2,
.section-heading h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.24;
}

.section-header p,
.section-heading p {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 16px;
}

.grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.card,
.product-card,
.feature-card,
.scenario-card,
.legal-card,
.step-card,
.signal-panel,
.contact-card,
.note-box,
.focus-band,
.cta-band {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.product-card,
.feature-card,
.scenario-card,
.legal-card,
.step-card,
.signal-panel,
.contact-card,
.note-box,
.focus-band,
.cta-band {
  padding: 24px;
}

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  content: "";
}

.product-card.featured {
  border-color: rgba(37, 87, 246, 0.34);
  box-shadow: 0 18px 44px rgba(37, 87, 246, 0.11);
}

.product-card.featured::before {
  opacity: 1;
}

.product-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.product-card h3,
.feature-card h3,
.scenario-card h3,
.legal-card h3,
.step-card h3,
.tech-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.32;
}

.product-card p,
.feature-card p,
.scenario-card p,
.legal-card p,
.step-card p {
  margin: 10px 0 0;
  color: var(--color-muted);
}

.badge,
.status-text {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid rgba(37, 87, 246, 0.18);
  border-radius: var(--radius-md);
  background: #eef4ff;
  padding: 5px 8px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
  white-space: nowrap;
}

.badge.plan,
.status-text.plan {
  border-color: rgba(118, 87, 255, 0.20);
  background: #f0edff;
  color: var(--color-accent);
}

.badge.expand,
.status-text.expand {
  border-color: rgba(105, 119, 140, 0.22);
  background: #f2f5f9;
  color: #65748c;
}

.chip-row,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.chip,
.tag-list li {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f7f9fd;
  padding: 6px 10px;
  color: #5f6b80;
  font-size: 13px;
  font-weight: 720;
  line-height: 1.25;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 20px;
}

.meta-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
  color: var(--color-muted);
  font-size: 15px;
}

.meta-row dt {
  color: var(--color-text);
  font-weight: 800;
}

.meta-row dd {
  margin: 0;
}

.product-card .btn,
.product-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: 38px;
  align-items: start;
}

.plain-text p:first-child {
  margin-top: 0;
}

.plain-text p {
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 17px;
}

.signal-panel h3 {
  margin: 0 0 18px;
  font-size: 20px;
}

.signal-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--color-muted);
}

.signal-list li::before {
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border-radius: 2px;
  background: var(--color-primary);
  content: "";
}

.scenario-card,
.feature-card {
  display: grid;
  gap: 14px;
}

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

.tech-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.84);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.tech-card p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.65;
}

.tech-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tech-list li {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  padding: 16px;
  color: var(--color-text);
  font-weight: 800;
}

.focus-band,
.cta-band {
  background:
    linear-gradient(135deg, rgba(37, 87, 246, 0.08), rgba(118, 87, 255, 0.06)),
    #ffffff;
}

.focus-band h2,
.cta-band h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.25;
}

.focus-band p,
.cta-band p {
  max-width: 860px;
  margin: 16px 0 0;
  color: var(--color-muted);
  font-size: 17px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.52fr);
  gap: 24px;
  align-items: stretch;
}

.contact-card h2,
.contact-card h3 {
  margin: 0 0 16px;
}

.contact-card p {
  margin: 0;
  color: var(--color-muted);
}

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

.contact-list div {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
}

.contact-list dt {
  color: var(--color-subtle);
}

.contact-list dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 750;
}

.contact-list a {
  color: var(--color-primary);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 62px;
  background:
    radial-gradient(circle at 78% 12%, rgba(118, 87, 255, 0.10), transparent 28%),
    linear-gradient(135deg, rgba(37, 87, 246, 0.08), rgba(118, 87, 255, 0.06)),
    #f8fbff;
}

.page-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 87, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 87, 246, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
}

.breadcrumb {
  margin-bottom: 24px;
  color: var(--color-muted);
  font-size: 14px;
}

.breadcrumb a {
  color: var(--color-primary);
  font-weight: 800;
}

.status-banner,
.draft-alert {
  margin-top: 26px;
  border: 1px solid #f0d68a;
  border-radius: var(--radius-lg);
  background: var(--color-warning-bg);
  padding: 14px 16px;
  color: var(--color-warning);
  font-weight: 750;
}

.process-list,
.step-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li,
.step-card {
  position: relative;
  min-height: 116px;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 800;
}

.process-list span,
.step-number {
  display: block;
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 900;
}

.note-box h2 {
  margin: 0 0 12px;
  color: var(--color-text);
}

.note-box p {
  margin: 0;
  color: var(--color-muted);
}

.warning-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.warning-list li {
  border-left: 3px solid var(--color-primary);
  padding-left: 12px;
  color: var(--color-muted);
}

.legal-page .container {
  max-width: 900px;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 28px;
  align-items: start;
}

.legal-aside {
  position: sticky;
  top: 96px;
}

.legal-aside h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.legal-aside p {
  margin: 0;
  color: var(--color-muted);
}

.legal-content {
  display: grid;
  gap: 16px;
}

.legal-card h3 {
  margin-bottom: 10px;
}

.legal-card ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--color-muted);
}

.site-footer {
  border-top: 1px solid rgba(220, 229, 243, 0.20);
  background: #101827;
  color: #d8e0ee;
  padding: 34px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-meta {
  display: grid;
  gap: 5px;
  color: #d8e0ee;
  font-size: 14px;
}

.footer-meta a {
  color: #d8e0ee;
  text-decoration: none;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: #ffffff;
  text-decoration: underline;
  outline: none;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 750;
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 18;
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  color: var(--color-primary);
  box-shadow: 0 12px 28px rgba(24, 39, 75, 0.14);
  cursor: pointer;
}

.back-to-top.is-visible {
  display: flex;
}

@media (max-width: 1180px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 980px) {
  .container,
  .nav-shell,
  .hero-inner,
  .page-hero-inner,
  .footer-inner {
    width: min(100% - 28px, var(--container-width));
  }

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

  .site-nav {
    position: fixed;
    top: 72px;
    right: 14px;
    left: 14px;
    display: none;
    max-height: calc(100vh - 92px);
    flex-direction: column;
    align-items: stretch;
    overflow: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #ffffff;
    padding: 10px;
    box-shadow: var(--shadow-soft);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 14px;
    white-space: normal;
  }

  .nav-cta {
    margin-left: 0;
  }

  .split,
  .contact-panel,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .grid,
  .card-grid,
  .grid.two,
  .card-grid.two,
  .tech-grid,
  .tech-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .system-row {
    grid-template-columns: 70px 1fr;
  }

  .workflow {
    grid-column: 1 / -1;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--color-border);
  }

  .legal-aside {
    position: static;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .section {
    padding: 58px 0;
  }

  .section.compact {
    padding: 46px 0;
  }

  .hero {
    padding: 42px 0 44px;
  }

  .hero-inner {
    gap: 32px;
  }

  .brand-subtitle {
    display: none;
  }

  .eyebrow {
    margin-bottom: 16px;
  }

  .hero-copy h1,
  .page-hero h1 {
    font-size: 32px;
    line-height: 1.16;
  }

  .hero-title-line {
    display: block;
  }

  .section-header h2,
  .section-heading h2,
  .focus-band h2,
  .cta-band h2 {
    font-size: 28px;
  }

  .hero-copy p,
  .page-hero p,
  .section-header p,
  .section-heading p,
  .plain-text p,
  .focus-band p,
  .cta-band p {
    font-size: 16px;
  }

  .hero-copy p,
  .page-hero p {
    margin-top: 18px;
    line-height: 1.72;
  }

  .hero-actions,
  .action-row {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
  }

  .btn,
  .button {
    width: 100%;
  }

  .grid,
  .card-grid,
  .grid.two,
  .card-grid.two,
  .tech-grid,
  .tech-list,
  .process-list,
  .step-grid,
  .capability-rail,
  .command-footer {
    grid-template-columns: 1fr;
  }

  .hero-proof {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
  }

  .proof-item {
    gap: 4px;
  }

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

  .proof-item strong {
    font-size: 13px;
  }

  .proof-item > span:not(.proof-icon) {
    font-size: 11px;
    line-height: 1.45;
  }

  .command-tab {
    margin-left: 14px;
    padding: 9px 14px;
    font-size: 13px;
  }

  .command-body {
    padding: 14px;
  }

  .system-row {
    grid-template-columns: 1fr;
  }

  .row-index {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .row-main {
    grid-template-columns: 44px minmax(0, 1fr);
    padding: 16px;
  }

  .workflow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 16px;
  }

  .row-mark,
  .icon-mark,
  .matrix-icon {
    width: 42px;
    height: 42px;
  }

  .product-card,
  .feature-card,
  .scenario-card,
  .legal-card,
  .step-card,
  .focus-band,
  .cta-band,
  .contact-card,
  .signal-panel,
  .note-box {
    padding: 20px;
  }

  .product-card-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .meta-row,
  .contact-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}