:root {
  --bg: #eef3ff;
  --surface: #ffffff;
  --surface-strong: #d9e5ff;
  --surface-dark: #12233f;
  --primary: #165cc8;
  --primary-strong: #134ba4;
  --secondary: #2b65c7;
  --accent: #dce8fb;
  --text: #1a2640;
  --muted: #5c6a86;
  --border: rgba(18, 35, 63, 0.12);
  --shadow: 0 20px 60px rgba(17, 41, 89, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(22, 92, 200, 0.12), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  line-height: 1.6;
}

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

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

p,
ul,
dl {
  margin: 0;
}

ul {
  padding-left: 1.2rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 4.7rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.page-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: rgba(249, 252, 251, 0.82);
  border-bottom: 1px solid rgba(13, 35, 48, 0.06);
}

.site-header-static {
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: 5.5rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-icon {
  display: inline-flex;
  width: 7.25rem;
  height: 3.35rem;
  flex: 0 0 auto;
  overflow: visible;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.85rem;
  color: var(--muted);
  min-width: 0;
}

.brand-text strong {
  color: var(--text);
  font-size: 1.08rem;
  letter-spacing: -0.04em;
}

.footer-brand .brand-icon {
  width: 6.5rem;
  height: 3rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
}

.site-nav .button,
.site-nav .button:visited,
.site-nav .button:hover,
.site-nav .button:focus-visible {
  color: #ffffff;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--primary);
}

.site-nav-static {
  gap: 1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: rgba(22, 92, 200, 0.08);
}

.lang-switch a {
  min-width: 2.35rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  color: var(--muted);
  text-align: center;
  font-weight: 700;
  font-size: 0.82rem;
}

.lang-switch a.active {
  background: #ffffff;
  color: var(--primary);
  box-shadow: 0 8px 18px rgba(20, 75, 164, 0.12);
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  padding: 0.7rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--surface-dark);
}

.nav-toggle span + span {
  margin-top: 0.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  padding: 0.85rem 1.35rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 14px 36px rgba(22, 92, 200, 0.2);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(22, 92, 200, 0.24);
}

.button-small {
  min-height: 2.8rem;
  padding-inline: 1rem;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(16, 33, 42, 0.08);
}

.hero-section {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-2xl);
  align-items: center;
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero-lead,
.section-heading p,
.section-body p,
.spotlight-copy p,
.final-cta-copy p,
.security-copy p,
.footer-copy,
.legal-layout > .section-heading p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-copy {
  display: grid;
  gap: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-points {
  display: grid;
  gap: var(--space-sm);
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 38rem;
}

.screen-card {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(13, 35, 48, 0.08);
  box-shadow: var(--shadow);
}

.desktop-card {
  inset: 1rem 3rem 4rem 0;
}

.chat-preview {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  height: 100%;
  padding: 1.2rem;
  background: linear-gradient(180deg, #f8fbff, #edf4ff);
}

.chat-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid rgba(22, 92, 200, 0.1);
}

.chat-identity {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.chat-avatar {
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #4cb3ff, #165cc8);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
}

.chat-identity strong {
  display: block;
  font-size: 1rem;
  color: #23324d;
}

.chat-identity span {
  color: var(--muted);
  font-size: 0.82rem;
}

.chat-security-badge {
  flex: 0 0 auto;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(22, 92, 200, 0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.chat-preview-thread {
  display: grid;
  align-content: start;
  gap: 0.8rem;
}

.chat-bubble-row {
  display: flex;
}

.chat-bubble-row.right {
  justify-content: flex-end;
}

.chat-bubble {
  max-width: 72%;
  padding: 0.9rem 1rem;
  border-radius: 1.2rem;
  background: #ffffff;
  color: #33445f;
  box-shadow: 0 12px 28px rgba(22, 92, 200, 0.08);
}

.chat-bubble-row.right .chat-bubble {
  background: #dff0ff;
  color: #1a2640;
}

.chat-bubble-file strong,
.chat-bubble-file span {
  display: block;
}

.chat-bubble-file strong {
  font-size: 0.88rem;
}

.chat-bubble-file span {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.chat-preview-footer {
  display: grid;
  gap: 0.75rem;
}

.chat-lock-note {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
}

.chat-compose-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.8rem;
  padding: 0.65rem 0.8rem;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(22, 92, 200, 0.08);
}

.chat-compose-input {
  height: 0.8rem;
  border-radius: 999px;
  background: rgba(22, 92, 200, 0.12);
}

.chat-compose-send {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #4cb3ff, #165cc8);
}

.home-stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 18rem;
  gap: 1.2rem;
  height: 100%;
  padding: 1.2rem;
  background:
    linear-gradient(180deg, rgba(244, 247, 251, 0.78), rgba(234, 241, 249, 0.78)),
    linear-gradient(135deg, rgba(87, 163, 255, 0.18), rgba(255, 255, 255, 0.24));
}

.home-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.88), transparent 16%),
    radial-gradient(circle at 70% 78%, rgba(255, 255, 255, 0.42), transparent 20%),
    linear-gradient(140deg, rgba(79, 132, 169, 0.18), rgba(183, 205, 230, 0.14)),
    linear-gradient(180deg, rgba(140, 169, 196, 0.22), rgba(244, 248, 255, 0.08));
  filter: saturate(0.85);
}

.home-glow {
  position: absolute;
  border-radius: 999px;
  background: rgba(76, 179, 255, 0.12);
  filter: blur(4px);
}

.home-glow-top {
  top: -2rem;
  right: -1rem;
  width: 11rem;
  height: 11rem;
}

.home-glow-bottom {
  left: -2rem;
  bottom: -3rem;
  width: 12rem;
  height: 12rem;
  background: rgba(33, 83, 138, 0.08);
}

.home-header,
.home-orbit,
.hub-card {
  position: relative;
  z-index: 1;
}

.home-header {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.home-header strong {
  font-size: 1.1rem;
  color: #314056;
}

.home-header span {
  font-size: 0.8rem;
  color: rgba(49, 64, 86, 0.7);
}

.home-orbit {
  display: grid;
  place-items: center;
  min-height: 100%;
}

.home-orbit::before {
  content: "";
  width: 15.5rem;
  height: 15.5rem;
  border-radius: 999px;
  border: 1px solid rgba(76, 179, 255, 0.24);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), transparent 62%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
}

.orbit-core,
.orbit-node {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 999px;
}

.orbit-core {
  width: 4.9rem;
  height: 4.9rem;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  font-weight: 800;
  box-shadow: 0 18px 36px rgba(22, 92, 200, 0.14);
}

.orbit-node {
  width: 4.2rem;
  height: 4.2rem;
  background: rgba(255, 255, 255, 0.92);
  color: #42526c;
  font-size: 0.76rem;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(35, 84, 162, 0.12);
}

.orbit-chat {
  transform: translate(-5.8rem, -3.8rem);
}

.orbit-settings {
  transform: translate(5.6rem, -3.6rem);
}

.orbit-files {
  transform: translate(-5.4rem, 4.1rem);
}

.orbit-camera {
  transform: translate(5.8rem, 3.9rem);
}

.hub-card {
  align-self: end;
  display: grid;
  gap: 1rem;
  padding: 1rem;
  margin-top: 4.2rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 44px rgba(23, 62, 116, 0.12);
  backdrop-filter: blur(10px);
}

.hub-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #5f6f89;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hub-brand {
  font-weight: 800;
  color: #d64040;
}

.hub-menu {
  color: rgba(49, 64, 86, 0.6);
}

.hub-body {
  display: grid;
  gap: 1rem;
}

.hub-list {
  display: grid;
  gap: 0.7rem;
}

.hub-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.9rem;
  border-radius: 1rem;
  background: rgba(247, 251, 255, 0.95);
}

.hub-row.active {
  box-shadow: inset 0 0 0 1px rgba(76, 179, 255, 0.2);
}

.hub-row strong {
  display: block;
  font-size: 0.92rem;
}

.hub-row p {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.hub-dot {
  width: 0.85rem;
  height: 0.85rem;
  margin-top: 0.2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #4cb3ff, #165cc8);
}

.hub-bottomnav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  padding-top: 0.3rem;
}

.hub-nav {
  height: 0.45rem;
  border-radius: 999px;
  background: rgba(76, 179, 255, 0.18);
}

.hub-nav.active {
  background: linear-gradient(90deg, #4cb3ff, #165cc8);
}

.mobile-card {
  right: 0;
  bottom: 0;
  width: 14rem;
  padding: 1rem;
  background: linear-gradient(180deg, #f8fbff, #edf4ff);
  color: #33445f;
  box-shadow: 0 24px 48px rgba(20, 55, 109, 0.16);
}

.screen-topbar {
  display: flex;
  gap: 0.35rem;
  padding: 1rem 1rem 0;
}

.screen-topbar span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: rgba(13, 35, 48, 0.18);
}

.screen-body {
  display: grid;
  grid-template-columns: 13rem 1fr;
  height: calc(100% - 1.55rem);
  padding: 1rem;
  gap: 1rem;
}

.desktop-sidebar {
  border-radius: 1.3rem;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(13, 59, 67, 0.08), rgba(13, 59, 67, 0.02));
}

.sidebar-chip {
  padding: 0.8rem 0.9rem;
  border-radius: 0.85rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.sidebar-chip + .sidebar-chip {
  margin-top: 0.55rem;
}

.sidebar-chip.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 10px 24px rgba(13, 35, 48, 0.08);
}

.desktop-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  border-radius: 1.3rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(238, 243, 255, 0.92)),
    linear-gradient(90deg, rgba(22, 92, 200, 0.08), transparent);
}

.message-row {
  max-width: 27rem;
  padding: 1rem 1.1rem;
  border-radius: 1.15rem;
  box-shadow: inset 0 0 0 1px rgba(13, 35, 48, 0.06);
}

.message-row p {
  margin-top: 0.35rem;
}

.message-row.incoming {
  background: #ffffff;
}

.message-row.outgoing {
  align-self: flex-end;
  background: rgba(22, 92, 200, 0.14);
}

.message-author {
  font-size: 0.78rem;
  color: var(--secondary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, #12233f, #165cc8);
  color: #f4f8ff;
  font-size: 0.94rem;
}

.mobile-header {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid rgba(20, 55, 109, 0.08);
}

.mobile-header span {
  color: rgba(51, 68, 95, 0.7);
  font-size: 0.82rem;
}

.mobile-thread {
  display: grid;
  gap: 0.7rem;
  padding: 1rem 0;
}

.bubble {
  max-width: 10.5rem;
  padding: 0.8rem 0.85rem;
  border-radius: 1rem;
  font-size: 0.88rem;
  box-shadow: 0 10px 24px rgba(24, 64, 120, 0.06);
}

.bubble-in {
  background: #ffffff;
}

.bubble-out {
  margin-left: auto;
  background: #dff0ff;
}

.mobile-composer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.55rem;
  height: 3rem;
  padding: 0 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
}

.composer-attach,
.composer-send {
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #4cb3ff, #165cc8);
}

.composer-field {
  height: 0.8rem;
  border-radius: 999px;
  background: rgba(76, 179, 255, 0.14);
}

.trust-strip {
  padding-bottom: 1rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.trust-grid > div,
.feature-card,
.feature-list-card,
.use-case-card,
.security-panel,
.contact-form,
.legal-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 36px rgba(13, 35, 48, 0.05);
}

.stat-value {
  font-weight: 700;
  font-size: 1.08rem;
}

.stat-label {
  color: var(--muted);
  margin-top: 0.35rem;
}

.content-section {
  padding: var(--space-3xl) 0;
}

.muted-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.58));
}

.accent-section {
  background:
    linear-gradient(180deg, rgba(22, 92, 200, 0.04), rgba(22, 92, 200, 0.08)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.78));
}

.two-column,
.split-spotlight,
.security-grid,
.final-cta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2xl);
  align-items: start;
}

.section-body {
  display: grid;
  gap: 1rem;
}

.section-heading {
  max-width: 44rem;
}

.section-heading p {
  margin-top: 1rem;
}

.solution-grid,
.feature-columns,
.use-case-grid {
  display: grid;
  gap: var(--space-lg);
}

.solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-2xl);
}

.feature-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-2xl);
}

.feature-card {
  display: grid;
  gap: 1rem;
}

.feature-card img {
  width: 2.75rem;
  height: 2.75rem;
}

.feature-card p,
.feature-list-card li,
.use-case-card p,
.security-points li,
.legal-card p,
.legal-card li,
.security-panel dd,
.security-panel dt {
  color: var(--muted);
}

.feature-list-card h3,
.use-case-card h3,
.security-panel h3 {
  margin-bottom: 1rem;
}

.feature-list-card ul,
.security-points {
  display: grid;
  gap: 0.75rem;
}

.split-spotlight {
  align-items: center;
}

.spotlight-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13, 35, 48, 0.08);
  box-shadow: var(--shadow);
}

.spotlight-copy {
  display: grid;
  gap: 1rem;
}

.text-link {
  font-weight: 700;
  color: var(--primary);
}

.use-case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-2xl);
}

.security-copy,
.final-cta-copy {
  display: grid;
  gap: 1rem;
}

.security-panel dl {
  display: grid;
  gap: 1rem;
}

.security-panel dt {
  font-weight: 700;
  color: var(--text);
}

.final-cta-section {
  padding-top: 2rem;
  padding-bottom: 5.5rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(13, 35, 48, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.92);
  padding: 0.95rem 1rem;
  font: inherit;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(23, 105, 106, 0.18);
  border-color: rgba(23, 105, 106, 0.36);
}

.form-status {
  min-height: 1.4rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer {
  padding: 2rem 0 2.4rem;
  border-top: 1px solid rgba(13, 35, 48, 0.08);
  background: rgba(255, 255, 255, 0.48);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr auto;
  gap: var(--space-lg);
  align-items: end;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
}

.footer-meta {
  color: var(--muted);
  text-align: right;
}

.legal-shell {
  background:
    radial-gradient(circle at top left, rgba(22, 92, 200, 0.12), transparent 22%),
    linear-gradient(180deg, #fbfcff 0%, #eef3ff 100%);
}

.legal-main {
  padding: 4rem 0 5rem;
}

.legal-layout {
  display: grid;
  gap: var(--space-2xl);
}

.legal-card {
  display: grid;
  gap: 1rem;
}

.legal-card h2 {
  font-size: 1.35rem;
  margin-top: 0.5rem;
}

.legal-card ul {
  display: grid;
  gap: 0.55rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 500ms ease,
    transform 500ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.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;
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-column,
  .split-spotlight,
  .security-grid,
  .final-cta-grid,
  .solution-grid,
  .feature-columns,
  .use-case-grid,
  .trust-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 32rem;
  }

  .desktop-card {
    inset: 0 2rem 3rem 0;
  }

  .home-stage {
    grid-template-columns: 1fr;
  }

  .hub-card {
    margin-top: 0;
  }

  .chat-bubble {
    max-width: 82%;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 860px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 20px 40px rgba(13, 35, 48, 0.12);
  }

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

  .nav-toggle {
    display: block;
  }

  .site-nav-static {
    position: static;
    display: flex;
    flex-direction: row;
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }

  .hero-section {
    padding-top: 3rem;
  }

  .hero-visual {
    min-height: 28rem;
  }

  .desktop-card {
    position: relative;
    inset: auto;
  }

  .mobile-card {
    width: auto;
    position: relative;
    margin-top: 1rem;
  }

  .screen-body {
    grid-template-columns: 1fr;
  }

  .home-orbit::before {
    width: 13.5rem;
    height: 13.5rem;
  }

  .orbit-chat {
    transform: translate(-4.9rem, -3.4rem);
  }

  .orbit-settings {
    transform: translate(4.9rem, -3.4rem);
  }

  .orbit-files {
    transform: translate(-4.8rem, 3.6rem);
  }

  .orbit-camera {
    transform: translate(4.8rem, 3.6rem);
  }
}

@media (max-width: 560px) {
  body {
    font-size: 0.98rem;
  }

  .container {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .header-inner {
    min-height: 4.9rem;
  }

  .brand-mark {
    gap: 0.65rem;
  }

  .brand-icon {
    width: 5.6rem;
    height: 2.65rem;
  }

  .footer-brand .brand-icon {
    width: 5.2rem;
    height: 2.45rem;
  }

  .brand-text {
    font-size: 0.78rem;
  }

  .brand-text strong {
    font-size: 0.98rem;
  }

  .button,
  .button-small {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .content-section {
    padding: 3.7rem 0;
  }
}