.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(21, 25, 34, 0.08);
  padding: 0 48px;
  background: rgba(248, 251, 255, 0.88);
  backdrop-filter: blur(18px);
}

.site-header[data-scrolled] {
  box-shadow: 0 12px 34px rgba(42, 53, 84, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(83, 108, 255, 0.22);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.brand-mark img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  border-radius: var(--radius);
  padding: 9px 13px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 680;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--text);
  outline: none;
}

.site-nav .nav-cta {
  margin-left: 8px;
  background: var(--text);
  color: #fff;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--accent-strong);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 160ms ease;
}

.nav-open .nav-toggle span:not(.sr-only):nth-child(2) {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-open .nav-toggle span:not(.sr-only):nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.button-row,
.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  padding: 0 20px;
  font-size: 14px;
  font-weight: 800;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button-primary {
  background: var(--text);
  color: #fff;
  box-shadow: 0 10px 24px rgba(21, 25, 34, 0.16);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-strong);
  outline: none;
  transform: translateY(-1px);
}

.button-secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(83, 108, 255, 0.35);
  background: var(--accent-soft);
  outline: none;
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 820;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
  outline: none;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 800;
}

.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.product-demo {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(83, 108, 255, 0.18);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.demo-titlebar {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--faint);
  padding: 0 16px;
  background: #f6f8ff;
}

.demo-titlebar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #d9e0f5;
}

.demo-titlebar span:first-child {
  background: #ff7f73;
}

.demo-titlebar span:nth-child(2) {
  background: #f1c75b;
}

.demo-titlebar span:nth-child(3) {
  background: #62c985;
}

.demo-titlebar strong {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}

.demo-shell {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  min-height: 430px;
}

.demo-sidebar {
  border-right: 1px solid var(--faint);
  padding: 20px 14px;
  background: #fbfcff;
}

.demo-sidebar img {
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  object-fit: contain;
}

.demo-sidebar nav {
  display: grid;
  gap: 7px;
}

.demo-sidebar span {
  border-radius: var(--radius);
  padding: 9px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.demo-sidebar .is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.demo-main {
  min-width: 0;
  padding: 22px;
}

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

.demo-header h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
}

.demo-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.demo-status {
  border-radius: var(--radius);
  padding: 7px 9px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 820;
}

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

.clip-row {
  display: grid;
  min-width: 0;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  padding: 12px;
  background: #fff;
}

.clip-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--surface-tint);
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 860;
}

.clip-row strong,
.clip-row p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clip-row strong {
  display: block;
  color: var(--text);
  font-size: 14px;
}

.clip-row p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

kbd {
  min-width: 28px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 4px 7px;
  background: #fff;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 820;
  text-align: center;
}

.slot-preview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.slot-card {
  min-width: 0;
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--accent-soft);
}

.slot-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.slot-card strong {
  display: block;
  overflow: hidden;
  margin-top: 4px;
  color: var(--text);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.overlay-strip {
  display: flex;
  align-items: center;
  gap: 9px;
  border-top: 1px solid var(--faint);
  padding: 14px 18px;
  background: var(--surface-tint);
  color: var(--text);
}

.overlay-strip span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.overlay-strip kbd {
  border-color: var(--faint);
  color: var(--accent-strong);
}

.overlay-strip strong {
  margin-left: auto;
  font-size: 13px;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  align-items: center;
  gap: 32px;
  border: 1px solid rgba(83, 108, 255, 0.2);
  border-radius: var(--radius);
  padding: 40px;
  background: #fff;
  color: var(--text);
  box-shadow: 0 18px 42px rgba(42, 53, 84, 0.1);
}

.download-panel h2 {
  margin: 0;
  font-size: 46px;
  line-height: 1.08;
}

.download-panel p {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.download-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.download-meta div {
  min-width: 0;
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--surface-tint);
}

.download-meta dt,
.page-meta dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.download-meta dd,
.page-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.download-actions {
  align-items: flex-end;
  flex-direction: column;
  margin-top: 0;
}

.download-actions .button {
  width: 100%;
}

.download-note {
  max-width: 240px;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 13px !important;
  line-height: 1.45 !important;
  text-align: right;
}

.download-panel[data-download-state="pending"] .button-primary {
  cursor: default;
  opacity: 0.72;
  transform: none;
}

.feature-card,
.article-card,
.trust-summary-card,
.profiles-panel,
.profile-board article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-card {
  min-height: 246px;
  padding: 22px;
}

.feature-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 880;
}

.feature-card h3 {
  margin: 20px 0 0;
  font-size: 19px;
  line-height: 1.2;
}

.feature-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

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

.article-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  padding: 24px;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.article-card:hover {
  border-color: rgba(83, 108, 255, 0.3);
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.article-card-meta span {
  border-radius: 6px;
  padding: 6px 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.article-card h3 {
  margin: 28px 0 0;
  font-size: 23px;
  line-height: 1.2;
}

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  content: "";
}

.article-card {
  position: relative;
}

.article-card > p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 800;
}

.article-card-link,
.article-card h3 a {
  position: relative;
  z-index: 1;
}

.trust-summary-card {
  min-height: 290px;
  padding: 26px;
  scroll-margin-top: 96px;
}

.trust-summary-card:nth-child(1) {
  background: var(--accent-soft);
}

.trust-summary-card:nth-child(2) {
  background: var(--green-soft);
}

.trust-summary-card:nth-child(3) {
  background: var(--amber-soft);
}

.trust-summary-card > span {
  display: inline-flex;
  border-radius: 6px;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 12px;
  font-weight: 820;
}

.trust-summary-card h3 {
  margin: 38px 0 0;
  font-size: 24px;
  line-height: 1.15;
}

.trust-summary-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.trust-summary-card a {
  display: inline-flex;
  margin-top: 24px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 820;
}

.trust-summary-card a:hover,
.trust-summary-card a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.profile-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.profile-board article {
  min-height: 166px;
  padding: 18px;
}

.profile-dot {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
}

.profile-dot.mail {
  background: #cce8ff;
}

.profile-dot.code {
  background: #d8f4df;
}

.profile-dot.design {
  background: #f6dfef;
}

.profile-board h4 {
  margin: 22px 0 0;
  font-size: 17px;
}

.profile-board p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.page-meta {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-meta div {
  border: 1px solid var(--faint);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: var(--surface);
}

.compact-cta,
.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  border-radius: var(--radius);
  margin-top: 16px;
  padding: 42px;
  background: var(--bg-soft);
}

.compact-cta p,
.final-cta p {
  max-width: 760px;
}

.final-cta img {
  width: 72px;
  height: 72px;
  margin-bottom: 18px;
  object-fit: contain;
}

.pagination {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 24px;
  margin-top: 44px;
}

.pagination ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination ol a,
.pagination-direction {
  display: inline-flex;
  min-width: 42px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 800;
}

.pagination ol a[aria-current="page"] {
  border-color: var(--text);
  background: var(--text);
  color: #fff;
}

.pagination-direction {
  width: fit-content;
  gap: 7px;
}

.pagination-direction:last-child {
  justify-self: end;
}

.pagination-direction.is-disabled {
  color: var(--muted);
  opacity: 0.45;
}

.site-footer {
  display: grid;
  width: min(var(--max), calc(100% - 48px));
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1fr);
  gap: 40px;
  margin: 0 auto;
  border-top: 1px solid var(--faint);
  padding: 42px 0 46px;
  color: var(--muted);
  font-size: 14px;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand strong {
  display: block;
  color: var(--text);
  font-size: 16px;
}

.site-footer p,
.footer-fineprint {
  margin: 0;
}

.footer-brand p {
  margin-top: 4px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-nav div {
  display: grid;
  align-content: start;
  gap: 9px;
}

.footer-nav strong {
  color: var(--text);
  font-size: 13px;
  text-transform: uppercase;
}

.site-footer a {
  color: var(--text);
  font-weight: 760;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent-strong);
  outline: none;
}

.footer-fineprint {
  grid-column: 1 / -1;
  padding-top: 8px;
  font-size: 12px;
}

@media (max-width: 1040px) {
  .site-header {
    padding: 0 24px;
  }

  .download-panel,
  .compact-cta,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .download-actions {
    align-items: flex-start;
  }

  .download-actions .button {
    width: auto;
  }

  .download-note {
    max-width: 100%;
    text-align: left;
  }

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

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
    padding: 0 16px;
  }

  .brand {
    gap: 9px;
    font-size: 16px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-mark img {
    width: 28px;
    height: 28px;
  }

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

  .site-nav {
    position: fixed;
    inset: 64px 12px auto 12px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 13px;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    text-align: center;
  }

  .button-row,
  .hero-actions,
  .download-actions,
  .button {
    width: 100%;
  }

  .button-row,
  .download-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .product-demo {
    width: 100%;
    max-width: 100%;
  }

  .demo-titlebar {
    min-height: 38px;
    padding: 0 14px;
  }

  .demo-shell {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .demo-sidebar {
    display: flex;
    align-items: center;
    gap: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--faint);
    padding: 14px;
  }

  .demo-sidebar img {
    width: 38px;
    height: 38px;
    margin: 0;
  }

  .demo-sidebar nav {
    display: flex;
    overflow-x: auto;
  }

  .demo-main {
    padding: 14px;
  }

  .demo-header,
  .overlay-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  .demo-header {
    gap: 10px;
    margin-bottom: 14px;
  }

  .demo-header h2 {
    font-size: 21px;
  }

  .clip-list {
    gap: 8px;
  }

  .clip-row {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 10px;
    padding: 10px;
  }

  .clip-icon {
    width: 38px;
    height: 38px;
  }

  .clip-row p {
    display: none;
  }

  .slot-preview,
  .profile-board,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .slot-preview {
    gap: 8px;
  }

  .slot-card {
    padding: 10px;
  }

  .overlay-strip strong {
    margin-left: 0;
  }

  .download-panel {
    padding: 28px 18px;
  }

  .download-panel h2 {
    font-size: clamp(30px, 8vw, 36px);
  }

  .download-panel p {
    font-size: 16px;
    line-height: 1.55;
  }

  .download-meta {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .download-actions .button {
    width: 100%;
  }

  .feature-card,
  .article-card,
  .trust-summary-card,
  .profile-board article {
    min-height: auto;
  }

  .article-card {
    min-height: 280px;
  }

  .compact-cta,
  .final-cta {
    padding: 28px 18px;
  }

  .pagination {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .pagination ol {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-content: center;
  }

  .pagination-direction {
    width: 100%;
  }

  .site-footer {
    width: min(100% - 32px, 480px);
    max-width: min(100% - 32px, 480px);
    grid-template-columns: 1fr;
  }

  .footer-nav {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}