:root {
  --color-page: #f3f0e8;
  --color-surface: #fbfaf6;
  --color-ink: #1e1d1a;
  --color-muted: #68645c;
  --color-brand: #2f7d4b;
  --color-deep: #24231f;
  --color-deep-soft: #4d563f;
  --color-border: #d8d2c4;
  --color-accent: #a8663b;
  --theme-accent: #2f7d4b;
  --theme-accent-rgb: 47, 125, 75;
  --theme-soft: #e8efe3;
  --theme-surface: #f6f7ef;
  --theme-band: #223327;
  --shadow-soft: 0 18px 44px rgba(38, 34, 28, 0.08);
  --max-width: 1160px;
}

.page-home {
  --theme-accent: #2f7d4b;
  --theme-accent-rgb: 47, 125, 75;
  --theme-soft: #e8efe3;
  --theme-surface: #f6f7ef;
  --theme-band: #223327;
}

.page-smart {
  --theme-accent: #587a43;
  --theme-accent-rgb: 88, 122, 67;
  --theme-soft: #edf0df;
  --theme-surface: #f8f8ee;
  --theme-band: #263424;
}

.page-software {
  --theme-accent: #496f82;
  --theme-accent-rgb: 73, 111, 130;
  --theme-soft: #e5edf0;
  --theme-surface: #f2f7f7;
  --theme-band: #22323a;
}

.page-channel {
  --theme-accent: #a8663b;
  --theme-accent-rgb: 168, 102, 59;
  --theme-soft: #f1e7dc;
  --theme-surface: #faf4ed;
  --theme-band: #3b2b22;
}

.page-demo {
  --theme-accent: #6d647d;
  --theme-accent-rgb: 109, 100, 125;
  --theme-soft: #ece8ef;
  --theme-surface: #f6f3f7;
  --theme-band: #302d38;
}

.page-soniora {
  --theme-accent: #496f82;
  --theme-accent-rgb: 73, 111, 130;
  --theme-soft: #e5edf0;
  --theme-surface: #f2f7f7;
  --theme-band: #22323a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--color-page);
  color: var(--color-ink);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(30, 29, 26, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 29, 26, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
}

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

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

button {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(var(--theme-accent-rgb), 0.72);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px 40px;
  background: rgba(243, 240, 232, 0.94);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-ink);
  border-radius: 4px;
  background: transparent;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.brand-name,
.brand-subtitle {
  display: block;
}

.brand-name {
  font-weight: 800;
  line-height: 1.2;
}

.brand-subtitle {
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.site-nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 4px;
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(var(--theme-accent-rgb), 0.08);
  color: var(--color-ink);
}

.site-nav .is-active {
  background: rgba(var(--theme-accent-rgb), 0.1);
  color: var(--color-ink);
}

.nav-divider {
  flex: 0 0 auto;
  width: 1px;
  height: 24px;
  margin: 0 8px;
  background: var(--color-border);
}

.site-nav .product-nav-link {
  color: var(--color-ink);
  font-weight: 800;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  position: absolute;
  left: 0;
}

.nav-toggle-lines::before {
  top: -7px;
}

.nav-toggle-lines::after {
  top: 7px;
}

.nav-open .nav-toggle-lines {
  background: transparent;
}

.nav-open .nav-toggle-lines::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle-lines::after {
  transform: translateY(-7px) rotate(-45deg);
}

.section-inner {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

.hero {
  background: transparent;
  color: var(--color-ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 0.82fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 0 56px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--theme-accent);
  font-size: 0.82rem;
  font-weight: 800;
}

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

h1,
h2 {
  font-family: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 4.35rem;
  line-height: 1.02;
}

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

h2 {
  margin-bottom: 18px;
  font-size: 2.55rem;
  line-height: 1.14;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.38;
}

.hero-lead {
  max-width: 710px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.hero-proof {
  width: fit-content;
  margin: 12px 0 30px;
  padding: 10px 0;
  border-top: 1px solid var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
  color: var(--color-ink);
  font-weight: 800;
}

.hero-actions,
.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--color-ink);
  border-radius: 4px;
  font-weight: 800;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-ink);
  color: var(--color-page);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--theme-accent);
  border-color: var(--theme-accent);
}

.button-secondary {
  background: transparent;
  color: var(--color-ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--theme-accent);
  color: var(--theme-accent);
}

.hero-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  max-width: 660px;
  padding: 0;
  margin: 34px 0 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  list-style: none;
}

.hero-tags li {
  min-height: 48px;
  padding: 12px 14px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.hero-visual {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.hero-visual img {
  border-radius: 2px;
}

.hero-visual figcaption {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 0.84rem;
}

.section {
  padding: 96px 0;
  border-top: 1px solid var(--color-border);
}

.section-muted {
  background: rgba(251, 250, 246, 0.48);
}

.section-deep {
  background: var(--color-deep);
  color: #f9f5ea;
}

.section-heading {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  column-gap: 34px;
  row-gap: 4px;
  max-width: 940px;
  margin-bottom: 42px;
}

.section-heading .eyebrow {
  grid-row: span 2;
  padding-top: 8px;
  border-top: 1px solid currentColor;
}

.section-heading h2,
.section-heading p:not(.eyebrow) {
  grid-column: 2;
}

.section-heading p {
  color: var(--color-muted);
  font-size: 1rem;
}

.section-deep .section-heading p:not(.eyebrow) {
  color: rgba(249, 245, 234, 0.72);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.role-card {
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: 22px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: rgba(251, 250, 246, 0.76);
}

.role-card:nth-child(4),
.role-card:nth-child(5) {
  grid-column: auto;
}

.role-card-accent {
  background: var(--theme-soft);
}

.card-kicker {
  margin-bottom: 18px;
  color: var(--theme-accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.role-card p,
.category-card p,
.capability-item p,
.mode-grid p {
  color: var(--color-muted);
}

.card-detail {
  margin-top: auto;
}

.role-card a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  margin-top: 10px;
  border-bottom: 1px solid currentColor;
  color: var(--color-ink);
  font-weight: 800;
}

.category-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.category-card {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: transparent;
}

.category-index {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border: 1px solid var(--color-ink);
  border-radius: 50%;
  color: var(--color-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

dl {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 8px 16px;
  margin: 18px 0 0;
}

dt {
  color: var(--color-ink);
  font-weight: 800;
}

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

.capability-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 52px;
  align-items: start;
}

.section-heading-sticky {
  position: sticky;
  top: 100px;
  display: block;
}

.section-heading-sticky .eyebrow {
  display: inline-block;
  padding-top: 8px;
  border-top: 1px solid currentColor;
}

.section-heading-sticky h2,
.section-heading-sticky p {
  grid-column: auto;
}

.boundary-note {
  padding: 18px 0 0;
  border-top: 2px solid var(--theme-accent);
  color: var(--color-ink) !important;
  font-weight: 700;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.capability-item {
  min-height: 214px;
  padding: 22px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background: rgba(251, 250, 246, 0.78);
}

.capability-item span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--theme-accent);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid rgba(249, 245, 234, 0.2);
  border-left: 1px solid rgba(249, 245, 234, 0.2);
}

.mode-grid article {
  padding: 20px;
  border-right: 1px solid rgba(249, 245, 234, 0.2);
  border-bottom: 1px solid rgba(249, 245, 234, 0.2);
  border-radius: 0;
  background: transparent;
}

.mode-grid p {
  color: rgba(249, 245, 234, 0.72);
}

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid rgba(249, 245, 234, 0.2);
  border-left: 1px solid rgba(249, 245, 234, 0.2);
}

.faq details {
  border-right: 1px solid rgba(249, 245, 234, 0.2);
  border-bottom: 1px solid rgba(249, 245, 234, 0.2);
  border-radius: 0;
  background: transparent;
}

.faq summary {
  min-height: 54px;
  padding: 16px 18px;
  cursor: pointer;
  font-weight: 800;
}

.faq p {
  margin: 0;
  padding: 0 18px 18px;
  color: rgba(249, 245, 234, 0.72);
}

.subpage-main {
  background: transparent;
}

.subpage-hero {
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--theme-accent);
  border-bottom: 1px solid var(--color-border);
}

.subpage-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.78fr);
  gap: 68px;
  align-items: center;
  min-height: 380px;
  padding: 58px 0 54px;
}

.subpage-hero .eyebrow {
  display: inline-flex;
  width: fit-content;
  padding-top: 10px;
  border-top: 3px solid var(--theme-accent);
}

.subpage-hero h1 {
  max-width: 790px;
  margin-bottom: 0;
  font-size: 3.32rem;
  line-height: 1.08;
}

.soniora-hero {
  border-top: 3px solid var(--theme-accent);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(var(--theme-accent-rgb), 0.08), rgba(251, 250, 246, 0));
}

.soniora-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 0.9fr);
  gap: 56px;
  align-items: center;
  min-height: 640px;
  padding: 58px 0 50px;
}

.soniora-copy h1 {
  margin-bottom: 24px;
  font-size: 4.05rem;
}

.soniora-tags {
  max-width: 620px;
}

.soniora-preview {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.soniora-preview img {
  border-radius: 2px;
}

.soniora-preview figcaption {
  margin-top: 12px;
  color: var(--color-muted);
  font-size: 0.84rem;
}

.soniora-install-panel {
  overflow: hidden;
  border: 1px solid var(--theme-accent);
  border-radius: 4px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.install-panel-heading {
  display: grid;
  gap: 8px;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--theme-surface);
}

.install-panel-heading .eyebrow,
.install-panel-heading h2,
.install-panel-heading p {
  margin: 0;
}

.install-panel-heading h2 {
  font-size: 1.72rem;
  line-height: 1.16;
}

.install-panel-heading p,
.install-option p {
  color: var(--color-muted);
}

.install-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 0;
}

.install-option {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  min-height: 360px;
  padding: 26px;
  border-right: 1px solid var(--color-border);
}

.install-option:last-child {
  border-right: 0;
}

.install-option-primary {
  background: rgba(var(--theme-accent-rgb), 0.06);
}

.install-qr-link {
  display: block;
  align-self: center;
  width: min(100%, 220px);
  margin: 0 0 18px;
  padding: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.install-qr-link:focus-visible {
  outline: 3px solid rgba(var(--theme-accent-rgb), 0.32);
  outline-offset: 2px;
}

.install-qr {
  display: block;
  width: 100%;
  height: auto;
}

.install-option h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.install-option p {
  margin-bottom: 16px;
  font-size: 0.94rem;
}

.install-option .button {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

.subpage-lead {
  max-width: 620px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(260px, 0.56fr) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.detail-rows {
  border-top: 1px solid var(--color-border);
}

.detail-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) minmax(220px, 0.34fr);
  gap: 30px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-border);
}

.detail-row > span {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  padding-top: 4px;
  border-top: 1px solid var(--theme-accent);
  color: var(--theme-accent);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.9rem;
  font-weight: 700;
}

.detail-row h2,
.matrix h2 {
  margin-bottom: 12px;
  font-size: 1.82rem;
  line-height: 1.18;
}

.detail-row p,
.matrix p,
.subpage-lead,
.cta-panel p {
  color: var(--color-muted);
}

.mini-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.mini-list li {
  min-height: 42px;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink);
  font-weight: 800;
}

.matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

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

.matrix article {
  min-height: 210px;
  padding: 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(251, 250, 246, 0.7);
}

.subpage-main .matrix article:nth-child(odd),
.subpage-main .evidence-list li:nth-child(odd) {
  background: var(--theme-surface);
}

.matrix h3 {
  font-size: 1.14rem;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 38px 0;
  border-top: 2px solid var(--theme-accent);
  border-bottom: 1px solid var(--color-border);
}

.cta-panel h2 {
  max-width: 780px;
}

.cta-panel p:not(.eyebrow) {
  max-width: 700px;
  margin-bottom: 0;
}

.cta-panel .button {
  flex: 0 0 auto;
}

.evidence-strip {
  display: grid;
  grid-template-columns: minmax(260px, 0.64fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.evidence-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  list-style: none;
}

.evidence-list li {
  min-height: 92px;
  padding: 18px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(251, 250, 246, 0.64);
  color: var(--color-ink);
  font-weight: 800;
}

.download-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.download-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.download-card {
  display: flex;
  min-height: 212px;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(251, 250, 246, 0.76);
}

.download-card-primary {
  background: var(--theme-surface);
}

.download-platform {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-bottom: 18px;
  padding: 0 10px;
  border: 1px solid var(--theme-accent);
  color: var(--theme-accent);
  font-size: 0.82rem;
  font-weight: 900;
}

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

.download-qr {
  width: min(100%, 180px);
  margin: 6px 0 18px;
  padding: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.download-qr img {
  width: 100%;
  height: auto;
}

.download-card .button {
  margin-top: auto;
}

.contact-section {
  background: var(--theme-soft);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: 52px;
  align-items: start;
}

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

.contact-methods {
  margin-top: 24px;
}

.contact-methods a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 800;
}

.contact-card {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-bottom: 24px;
  border-bottom: 2px solid currentColor;
  color: var(--color-ink);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.2;
}

.contact-card p:not(.card-kicker) {
  max-width: 620px;
  color: var(--color-muted);
}

.contact-card .button {
  margin-top: auto;
}

.mobile-contact-cta {
  display: none;
}

.site-footer {
  padding: 28px 0;
  background: var(--theme-band);
  color: rgba(249, 245, 234, 0.72);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
}

.footer-product-link,
.footer-filing-link {
  border-bottom: 1px solid currentColor;
}

.footer-product-link:hover,
.footer-product-link:focus-visible,
.footer-filing-link:hover,
.footer-filing-link:focus-visible {
  color: #fff;
}

@media (max-width: 1120px) {
  .role-grid,
  .mode-grid,
  .matrix-wide,
  .evidence-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .capability-layout,
  .contact-layout,
  .subpage-hero-grid,
  .soniora-hero-grid,
  .two-column,
  .evidence-strip {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
  }

  .subpage-hero-grid {
    min-height: auto;
  }

  .soniora-hero-grid {
    min-height: auto;
  }

  .section-heading-sticky {
    position: static;
  }
}

@media (max-width: 960px) {
  .site-header {
    padding: 12px 18px;
  }

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

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-surface);
    box-shadow: var(--shadow-soft);
  }

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

  .site-nav a {
    justify-content: center;
  }

  .nav-divider {
    width: 100%;
    height: 1px;
    margin: 8px 0;
  }
}

@media (max-width: 860px) {

  h1 {
    font-size: 3.15rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .section-heading,
  .capability-grid,
  .faq,
  .download-grid,
  .matrix {
    grid-template-columns: 1fr;
  }

  .detail-row {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .detail-row .mini-list {
    grid-column: 2;
  }

  .section-heading .eyebrow,
  .section-heading h2,
  .section-heading p:not(.eyebrow) {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 72px;
  }

  .brand-subtitle {
    display: none;
  }

  .section-inner {
    width: min(100% - 28px, var(--max-width));
  }

  .hero-grid {
    gap: 30px;
    padding: 46px 0 42px;
  }

  .subpage-hero-grid {
    gap: 28px;
    padding: 54px 0 48px;
  }

  .soniora-hero-grid {
    gap: 30px;
    padding: 54px 0 46px;
  }

  h1 {
    font-size: 2.55rem;
  }

  .subpage-hero h1 {
    font-size: 2.35rem;
  }

  .soniora-copy h1 {
    font-size: 2.5rem;
  }

  .install-panel-heading {
    padding: 20px;
  }

  .install-options {
    grid-template-columns: 1fr;
  }

  .install-option {
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .install-option:last-child {
    border-bottom: 0;
  }

  .install-qr-link {
    width: min(100%, 220px);
  }

  h2 {
    font-size: 1.78rem;
  }

  .section {
    padding: 66px 0;
  }

  .hero-actions,
  .page-actions,
  .contact-methods {
    flex-direction: column;
  }

  .button,
  .contact-methods a {
    width: 100%;
  }

  .hero-tags,
  .role-grid,
  .category-card,
  .mode-grid,
  .detail-row,
  .download-grid,
  .evidence-list {
    grid-template-columns: 1fr;
  }

  .role-grid,
  .capability-grid,
  .mode-grid,
  .faq,
  .download-grid,
  .matrix,
  .evidence-list {
    border-left: 0;
  }

  .role-card,
  .capability-item,
  .mode-grid article,
  .faq details,
  .download-card,
  .matrix article,
  .evidence-list li {
    border-right: 0;
  }

  .detail-row {
    gap: 14px;
    padding: 28px 0;
  }

  .detail-row .mini-list {
    grid-column: auto;
  }

  .detail-row h2,
  .matrix h2 {
    font-size: 1.54rem;
  }

  .cta-panel {
    align-items: stretch;
    flex-direction: column;
    padding: 30px 0;
  }

  .category-card {
    gap: 18px;
  }

  dl {
    grid-template-columns: 1fr;
  }

  .contact-card {
    min-height: auto;
    padding: 20px;
  }

  .contact-email {
    font-size: 1.12rem;
  }

  .mobile-contact-cta {
    position: fixed;
    right: 14px;
    bottom: 14px;
    left: 14px;
    z-index: 20;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    border: 1px solid var(--color-ink);
    border-radius: 4px;
    background: var(--color-ink);
    color: var(--color-page);
    font-weight: 900;
    box-shadow: 0 12px 30px rgba(38, 34, 28, 0.2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
  }

  .show-mobile-cta .mobile-contact-cta {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}