:root {
  color-scheme: light;
  --royal-900: #10214c;
  --royal-800: #17378b;
  --royal-700: #2149b5;
  --royal-600: #3159d8;
  --royal-500: #4169e1;
  --royal-300: #9bb2f8;
  --royal-150: #dbe5ff;
  --royal-075: #f0f4ff;
  --ink: #111c36;
  --muted: #59657d;
  --line: #dbe2ef;
  --paper: #ffffff;
  --canvas: #f7f9fd;
  --success: #147259;
  --shadow: 0 24px 70px rgba(27, 54, 120, 0.14);
  --radius-lg: 30px;
  --radius-md: 20px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Segoe UI", Aptos, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 83% 8%, rgba(65, 105, 225, 0.14), transparent 28rem),
    linear-gradient(180deg, #fbfcff 0, #fff 44rem);
  content: "";
}

a {
  color: inherit;
}

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

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

:focus-visible {
  outline: 3px solid var(--royal-300);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--royal-900);
  color: white;
  transform: translateY(-160%);
}

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

.shell {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(219, 226, 239, 0.78);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  flex: 0 0 auto;
}

.brand img {
  width: 255px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}

.site-nav a,
.site-nav .nav-placeholder {
  padding: 10px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #34415c;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav .nav-placeholder:hover,
.site-nav a[aria-current="page"] {
  background: var(--royal-075);
  color: var(--royal-700);
}

.site-nav [aria-disabled="true"] {
  color: #7d879b;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  color: var(--royal-900);
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  display: block;
  width: 21px;
  height: 2px;
  margin: 5px auto;
  border-radius: 2px;
  background: currentColor;
  content: "";
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 80px;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 70px;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--royal-700);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--royal-500);
  content: "";
}

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

h1 {
  max-width: 810px;
  margin-bottom: 24px;
  color: var(--royal-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.35rem, 7vw, 6.8rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

h1 .royal {
  color: var(--royal-500);
}

.hero-copy > p:not(.eyebrow) {
  max-width: 690px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.27rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--royal-600);
  box-shadow: 0 15px 35px rgba(49, 89, 216, 0.26);
  color: white;
}

.button-primary:hover {
  background: var(--royal-700);
  box-shadow: 0 18px 42px rgba(49, 89, 216, 0.32);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--royal-900);
}

.local-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  color: #53617b;
  font-size: 0.91rem;
  font-weight: 650;
}

.local-note::before {
  width: 10px;
  height: 10px;
  border: 4px solid #d9f4ea;
  border-radius: 50%;
  background: var(--success);
  content: "";
}

.workspace-card {
  position: relative;
  padding: 18px;
  border: 1px solid rgba(155, 178, 248, 0.55);
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(240, 244, 255, 0.94));
  box-shadow: var(--shadow);
}

.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 8px 17px;
}

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

.workspace-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--royal-150);
}

.workspace-status {
  color: var(--success);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-screen {
  display: grid;
  gap: 12px;
  padding: 20px;
  border-radius: 22px;
  background: var(--royal-900);
}

.tool-chip {
  display: grid;
  align-items: center;
  gap: 13px;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.075);
  color: white;
  grid-template-columns: 42px 1fr auto;
}

.tool-icon,
.feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  background: var(--royal-500);
  color: white;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.tool-chip strong {
  display: block;
  font-size: 0.92rem;
}

.tool-chip small {
  display: block;
  color: #becaf0;
}

.tool-chip b {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6ee7bd;
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: var(--canvas);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  padding: 22px 24px;
  border-right: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 0;
}

.trust-item strong,
.trust-item span {
  display: block;
}

.trust-item strong {
  margin-bottom: 3px;
  color: var(--royal-900);
}

.trust-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 104px 0;
}

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

.section-intro {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-intro h2,
.split-copy h2,
.sign-copy h2,
.page-hero h1 {
  margin-bottom: 18px;
  color: var(--royal-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.section-intro p,
.split-copy > p,
.sign-copy > p {
  color: var(--muted);
  font-size: 1.08rem;
}

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

.feature-card {
  min-height: 310px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: 0 8px 30px rgba(30, 50, 95, 0.055);
}

.feature-card:nth-child(2),
.feature-card:nth-child(3) {
  background: linear-gradient(150deg, #fff, var(--royal-075));
}

.feature-icon {
  margin-bottom: 24px;
}

.feature-card h3 {
  margin-bottom: 12px;
  color: var(--royal-900);
  font-size: 1.38rem;
  line-height: 1.25;
}

.feature-card p {
  margin-bottom: 18px;
  color: var(--muted);
}

.feature-card ul,
.security-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-card li,
.security-list li {
  position: relative;
  margin: 8px 0;
  padding-left: 22px;
  color: #35435e;
  font-size: 0.94rem;
}

.feature-card li::before,
.security-list li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--royal-500);
  content: "";
}

.local-grid,
.sign-grid {
  display: grid;
  align-items: center;
  gap: 72px;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.local-diagram {
  position: relative;
  padding: 28px;
  border: 1px solid var(--royal-150);
  border-radius: var(--radius-lg);
  background: white;
  box-shadow: var(--shadow);
}

.device {
  padding: 26px;
  border-radius: 22px;
  background: var(--royal-900);
  color: white;
}

.device-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  color: #c6d2f3;
  font-size: 0.8rem;
}

.device-bar b {
  color: #81ecc7;
}

.waveform {
  display: flex;
  height: 110px;
  align-items: center;
  gap: 5px;
  margin-bottom: 24px;
}

.waveform i {
  width: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, #84a1ff, #4169e1);
}

.waveform i:nth-child(3n + 1) { height: 34%; }
.waveform i:nth-child(3n + 2) { height: 78%; }
.waveform i:nth-child(3n) { height: 53%; }

.device-files {
  display: grid;
  gap: 9px;
  grid-template-columns: 1fr 1fr;
}

.device-files span {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #d9e1f8;
  font-size: 0.8rem;
}

.split-copy .eyebrow,
.sign-copy .eyebrow {
  margin-bottom: 15px;
}

.fact-card {
  margin-top: 28px;
  padding: 20px 22px;
  border-left: 4px solid var(--royal-500);
  border-radius: 0 14px 14px 0;
  background: var(--royal-075);
  color: #304165;
  font-size: 0.94rem;
}

.sign-section {
  overflow: hidden;
  background: var(--royal-900);
  color: white;
}

.sign-section .eyebrow,
.sign-section .sign-copy > p {
  color: #c9d4f2;
}

.sign-section .eyebrow::before {
  background: #85a1ff;
}

.sign-copy h2 {
  color: white;
}

.security-list {
  display: grid;
  margin-top: 28px;
  gap: 4px;
}

.security-list li {
  color: #e6ebfb;
}

.security-list li::before {
  background: #7de5c1;
}

.sign-flow {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
}

.flow-step {
  display: grid;
  gap: 15px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  grid-template-columns: 44px 1fr;
}

.flow-step:last-child {
  border-bottom: 0;
}

.flow-step > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--royal-500);
  color: white;
  font-weight: 900;
}

.flow-step h3 {
  margin: 1px 0 3px;
  font-size: 1.03rem;
}

.flow-step p {
  margin: 0;
  color: #bfcbea;
  font-size: 0.9rem;
}

.limit-note {
  margin-top: 30px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  color: #bec9e8;
  font-size: 0.85rem;
}

.assistant-callout {
  display: grid;
  align-items: center;
  gap: 50px;
  padding: 54px;
  border-radius: var(--radius-lg);
  background: linear-gradient(130deg, var(--royal-075), #fff 72%);
  grid-template-columns: 1fr auto;
}

.assistant-callout h2 {
  max-width: 720px;
  margin-bottom: 10px;
  color: var(--royal-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.assistant-callout p {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
}

.page-hero {
  overflow: hidden;
  padding: 92px 0 78px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 24%, rgba(65, 105, 225, 0.2), transparent 24rem),
    linear-gradient(155deg, #fff 20%, var(--royal-075));
}

.page-hero-grid {
  display: grid;
  align-items: center;
  gap: 70px;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
}

.page-hero h1 {
  max-width: 820px;
}

.page-lede {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.25rem);
}

.page-emblem {
  position: relative;
  min-height: 310px;
  border: 1px solid var(--royal-150);
  border-radius: var(--radius-lg);
  background: var(--royal-900);
  box-shadow: var(--shadow);
}

.page-emblem::before,
.page-emblem::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.page-emblem::before {
  top: 42px;
  right: 42px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-emblem::after {
  right: 88px;
  bottom: 48px;
  width: 112px;
  height: 112px;
  background: var(--royal-500);
  box-shadow: -92px -54px 0 -34px #fff, -130px 84px 0 -46px #7de5c1;
}

.page-emblem span {
  position: absolute;
  z-index: 1;
  top: 50px;
  left: 40px;
  max-width: 190px;
  color: #d7e0fa;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  line-height: 1.15;
}

.content-grid,
.founder-grid {
  display: grid;
  align-items: start;
  gap: 70px;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
}

.sticky-intro {
  position: sticky;
  top: 120px;
}

.sticky-intro h2,
.section-heading h2,
.about-statement h2 {
  margin-bottom: 17px;
  color: var(--royal-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.15rem, 4.5vw, 3.9rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.sticky-intro p,
.section-heading p,
.about-statement p {
  color: var(--muted);
}

.value-grid,
.process-grid {
  display: grid;
  gap: 17px;
}

.value-card,
.process-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
  box-shadow: 0 8px 30px rgba(30, 50, 95, 0.05);
}

.value-card h3,
.process-card h3 {
  margin-bottom: 8px;
  color: var(--royal-900);
  font-size: 1.23rem;
}

.value-card p,
.process-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.process-grid {
  margin-top: 42px;
  counter-reset: setup;
  grid-template-columns: repeat(4, 1fr);
}

.process-card {
  min-height: 235px;
  counter-increment: setup;
}

.process-card::before {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--royal-500);
  color: white;
  content: counter(setup);
  font-weight: 900;
}

.guardrail {
  padding: 42px;
  border-radius: var(--radius-lg);
  background: var(--royal-900);
  color: white;
}

.guardrail h2 {
  margin-bottom: 15px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.guardrail > p {
  max-width: 820px;
  color: #cbd5f2;
}

.guardrail-grid {
  display: grid;
  gap: 14px;
  margin-top: 30px;
  grid-template-columns: repeat(3, 1fr);
}

.guardrail-item {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.055);
}

.guardrail-item strong,
.guardrail-item span {
  display: block;
}

.guardrail-item span {
  margin-top: 6px;
  color: #c5d0ee;
  font-size: 0.9rem;
}

.contact-pending {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 44px;
  border: 1px solid var(--royal-150);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--royal-075), white);
}

.contact-pending h2 {
  margin-bottom: 7px;
  color: var(--royal-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

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

.pending-button {
  min-width: 205px;
  border: 1px solid var(--royal-150);
  background: white;
  color: var(--royal-700);
  cursor: pointer;
  font: inherit;
}

.founder-grid {
  align-items: center;
}

.about-statement {
  padding: 42px;
  border: 1px solid var(--royal-150);
  border-radius: var(--radius-lg);
  background: var(--royal-075);
}

.about-statement p:last-child {
  margin-bottom: 0;
}

.principle-list {
  display: grid;
  gap: 17px;
}

.principle {
  padding: 22px 24px;
  border-left: 4px solid var(--royal-500);
  border-radius: 0 15px 15px 0;
  background: white;
  box-shadow: 0 8px 30px rgba(30, 50, 95, 0.05);
}

.principle strong {
  display: block;
  margin-bottom: 5px;
  color: var(--royal-900);
}

.principle span {
  color: var(--muted);
  font-size: 0.94rem;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 82px);
  place-items: center;
  padding: 80px 0;
}

.not-found-card {
  max-width: 680px;
  padding: 60px;
  border: 1px solid var(--royal-150);
  border-radius: var(--radius-lg);
  background: white;
  box-shadow: var(--shadow);
  text-align: center;
}

.not-found-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--royal-500);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.not-found-card h1 {
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
}

.not-found-card p {
  color: var(--muted);
}

.site-footer {
  padding: 58px 0 28px;
  border-top: 1px solid var(--line);
  background: white;
}

.footer-grid {
  display: grid;
  align-items: start;
  gap: 40px;
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
}

.footer-brand img {
  width: 225px;
  margin-bottom: 16px;
}

.footer-brand p {
  max-width: 480px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links strong {
  display: block;
  margin-bottom: 13px;
  color: var(--royal-900);
}

.footer-links a,
.footer-placeholder {
  display: block;
  width: fit-content;
  margin: 8px 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-links a:hover,
.footer-placeholder:hover {
  color: var(--royal-600);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #798398;
  font-size: 0.8rem;
}

.site-notice {
  position: fixed;
  z-index: 50;
  right: 22px;
  bottom: 22px;
  max-width: calc(100% - 44px);
  padding: 13px 18px;
  border-radius: 12px;
  background: var(--royal-900);
  box-shadow: var(--shadow);
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
}

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

@media (max-width: 980px) {
  .menu-button { display: block; }
  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: white;
    box-shadow: var(--shadow);
    flex-direction: column;
  }
  .site-nav[data-open="true"] { display: flex; }
  .site-nav a,
  .site-nav .nav-placeholder { padding: 12px 14px; text-align: left; }
  .hero-grid,
  .local-grid,
  .sign-grid,
  .page-hero-grid,
  .content-grid,
  .founder-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; }
  .workspace-card { max-width: 650px; }
  .local-grid,
  .sign-grid { gap: 48px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .assistant-callout { grid-template-columns: 1fr; }
  .sticky-intro { position: static; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .guardrail-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .shell { width: min(calc(100% - 28px), var(--content)); }
  .nav-shell { min-height: 72px; }
  .brand img { width: 210px; }
  .hero { padding: 65px 0 58px; }
  .page-hero { padding: 64px 0 58px; }
  .page-emblem { min-height: 240px; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.5rem); }
  .workspace-card { padding: 10px; border-radius: 24px; }
  .workspace-screen { padding: 12px; }
  .tool-chip { grid-template-columns: 38px 1fr; }
  .tool-chip b { display: none; }
  .trust-grid,
  .feature-grid { grid-template-columns: 1fr; }
  .trust-item,
  .trust-item:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .section { padding: 76px 0; }
  .feature-card { min-height: auto; padding: 26px; }
  .local-diagram,
  .sign-flow { padding: 17px; }
  .device { padding: 18px; }
  .device-files { grid-template-columns: 1fr; }
  .assistant-callout { padding: 34px 26px; }
  .process-grid { grid-template-columns: 1fr; }
  .guardrail,
  .about-statement,
  .contact-pending,
  .not-found-card { padding: 30px 24px; }
  .contact-pending { align-items: flex-start; flex-direction: column; }
  .pending-button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}