:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --ink: #15171d;
  --muted: #5a6170;
  --soft: #e7eaf0;
  --panel: #ffffff;
  --accent: #1f6feb;
  --accent-strong: #1457c2;
  --green: #148a5b;
  --shadow: 0 24px 80px rgba(23, 31, 48, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header,
.hero,
.privacy-band,
.features,
.download-panel,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: block;
  flex: 0 0 28px;
  border-radius: 6px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 470px);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 92px);
  padding: 32px 0 72px;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(3.4rem, 6.6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
}

.lede {
  max-width: 680px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

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

.button:focus-visible,
.nav-links a:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgba(31, 111, 235, 0.35);
  outline-offset: 4px;
}

.primary {
  background: var(--accent);
  color: #fff;
}

.primary:hover {
  background: var(--accent-strong);
}

.secondary {
  border-color: var(--soft);
  background: #fff;
  color: var(--ink);
}

.release-line {
  max-width: 640px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero.compact {
  grid-template-columns: 1fr;
  min-height: calc(100vh - 92px);
}

.app-preview {
  min-width: 0;
  width: min(100%, 560px);
  justify-self: end;
}

.preview-window {
  overflow: hidden;
  width: 100%;
  border: 1px solid rgba(21, 23, 29, 0.12);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 28px 72px rgba(23, 31, 48, 0.16);
}

.window-chrome {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--soft);
  background: #fbfcff;
}

.window-chrome span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #d5dae5;
}

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 15px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.preview-toolbar {
  border-bottom: 1px solid var(--soft);
}

.preview-canvas {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  min-height: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(31, 111, 235, 0.16), transparent 30%),
    radial-gradient(circle at 18% 78%, rgba(20, 138, 91, 0.13), transparent 30%),
    linear-gradient(135deg, #e9eef6, #ffffff 48%, #edf5f1);
}

.desktop-sidebar,
.desktop-card,
.selection-box {
  position: absolute;
}

.desktop-sidebar {
  left: 7%;
  top: 17%;
  bottom: 14%;
  width: 22%;
  border: 1px solid rgba(21, 23, 29, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 38px rgba(23, 31, 48, 0.08);
}

.desktop-sidebar span {
  display: block;
  height: 3.5%;
  margin: 10% 12%;
  border-radius: 999px;
  background: #cfd6e2;
}

.desktop-sidebar span:first-child {
  width: 34px;
  background: var(--accent);
}

.primary-card {
  left: 26%;
  top: 17%;
  width: 44%;
  height: 31%;
  border: 1px solid rgba(21, 23, 29, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 18px 44px rgba(23, 31, 48, 0.1);
}

.primary-card span,
.detail-card span {
  display: block;
  height: 8px;
  margin: 16px 18px 0;
  border-radius: 999px;
  background: #d8dee8;
}

.primary-card span:first-child {
  width: 118px;
  background: #9aa7b8;
}

.primary-card span:nth-child(2) {
  width: 174px;
}

.primary-card span:nth-child(3) {
  width: 146px;
}

.detail-card {
  right: 7%;
  bottom: 12%;
  width: 33%;
  height: 24%;
  border: 1px solid rgba(20, 138, 91, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 16px 36px rgba(23, 31, 48, 0.08);
}

.detail-card span:first-child {
  width: 86px;
  background: rgba(20, 138, 91, 0.55);
}

.detail-card span:last-child {
  width: 108px;
}

.selection-box {
  left: 19%;
  right: 8%;
  top: 30%;
  bottom: 14%;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.36)),
    linear-gradient(90deg, rgba(31, 111, 235, 0.09) 1px, transparent 1px),
    linear-gradient(rgba(31, 111, 235, 0.09) 1px, transparent 1px);
  background-size: 100% 100%, 20px 20px, 20px 20px;
  box-shadow:
    0 0 0 999px rgba(21, 23, 29, 0.14),
    0 16px 34px rgba(31, 111, 235, 0.14);
}

.capture-badge {
  position: absolute;
  left: 16px;
  top: -30px;
  padding: 5px 8px;
  border-radius: 6px;
  background: #15171d;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
}

.capture-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 4px 10px rgba(31, 111, 235, 0.26);
}

.handle-nw {
  left: -6px;
  top: -6px;
}

.handle-ne {
  right: -6px;
  top: -6px;
}

.handle-sw {
  left: -6px;
  bottom: -6px;
}

.handle-se {
  right: -6px;
  bottom: -6px;
}

.redaction-box {
  position: absolute;
  left: 14%;
  top: 28%;
  width: 30%;
  height: 29%;
  border-radius: 6px;
  background:
    repeating-linear-gradient(45deg, rgba(21, 23, 29, 0.5) 0 5px, rgba(21, 23, 29, 0.18) 5px 10px),
    #cfd5df;
  box-shadow: 0 10px 22px rgba(21, 23, 29, 0.1);
}

.privacy-band,
.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  margin-top: 24px;
  padding: 30px;
  border: 1px solid rgba(20, 138, 91, 0.18);
  border-radius: 8px;
  background: #eefaf5;
}

.privacy-band h2,
.download-panel h2,
.features h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.privacy-band p,
.download-panel p,
.section-heading p,
.feature p {
  margin: 12px 0 0;
  color: var(--muted);
}

.privacy-list {
  display: grid;
  gap: 10px;
  min-width: min(320px, 100%);
  margin: 0;
  padding: 0;
  list-style: none;
}

.privacy-list li {
  border: 1px solid rgba(20, 138, 91, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  padding: 12px 14px;
  color: #0c6240;
  font-weight: 700;
}

.features {
  padding: 96px 0 56px;
}

.section-heading {
  max-width: 720px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature {
  min-height: 190px;
  border: 1px solid var(--soft);
  border-radius: 8px;
  background: var(--panel);
  padding: 22px;
}

.feature h3 {
  margin: 0;
  font-size: 1.08rem;
}

.download-panel {
  margin-bottom: 72px;
  border-color: var(--soft);
  background: #fff;
}

.download-copy {
  min-width: 0;
}

.release-metadata {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.release-metadata div {
  min-width: 0;
  border: 1px solid var(--soft);
  border-radius: 8px;
  background: #fbfcff;
  padding: 12px 14px;
}

.release-metadata dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.release-metadata dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 700;
}

.digest {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
}

.trust-note {
  max-width: 760px;
  font-size: 0.95rem;
}

.release-page-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0 42px;
  border-top: 1px solid var(--soft);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  max-width: 760px;
  margin: 0;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 18px;
  }

  .privacy-band,
  .download-panel {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 560px) {
  .site-header,
  .hero,
  .privacy-band,
  .features,
  .download-panel,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 9vw, 2.55rem);
    line-height: 1;
  }

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

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .release-metadata {
    grid-template-columns: 1fr;
  }

  .preview-canvas {
    min-height: 230px;
  }

  .privacy-band,
  .download-panel,
  .feature {
    padding: 20px;
  }
}