:root {
  color-scheme: dark;
  --ink: #edf6ff;
  --muted: #9fb0c7;
  --muted-strong: #d7e5f8;
  --paper: #06101e;
  --panel: #0a1628;
  --panel-raised: #101d31;
  --panel-soft: #162741;
  --accent: #3b82f6;
  --accent-strong: #93c5fd;
  --accent-ink: #f8fbff;
  --line: rgba(219, 234, 254, 0.14);
  --line-strong: rgba(219, 234, 254, 0.26);
  --shadow: 0 44px 120px rgba(6, 16, 30, 0.52);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 50% -10%, rgba(59, 130, 246, 0.24), transparent 35%),
    radial-gradient(circle at 8% 18%, rgba(14, 165, 233, 0.13), transparent 32%),
    linear-gradient(180deg, #06101e 0%, #09172b 48%, #070e1a 100%);
  color: var(--ink);
}

body,
button,
input,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 70px;
  padding: 0 clamp(20px, 5vw, 80px);
  border-bottom: 1px solid var(--line);
  background: rgba(6, 16, 30, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand,
.top-nav {
  display: flex;
  align-items: center;
}

.brand {
  min-width: max-content;
  gap: 11px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid rgba(219, 234, 254, 0.22);
  border-radius: 9px;
  background:
    linear-gradient(145deg, rgba(96, 165, 250, 0.96), rgba(14, 165, 233, 0.82)),
    #0b1f3d;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 14px 26px rgba(59, 130, 246, 0.2);
}

.brand-mark::before {
  position: absolute;
  inset: 8px;
  content: "";
  border: 3px solid rgba(255, 255, 255, 0.82);
  border-radius: 999px;
}

.brand-mark::after {
  position: absolute;
  left: 9px;
  top: 15px;
  width: 11px;
  height: 6px;
  content: "";
  border-left: 3px solid #ffffff;
  border-bottom: 3px solid #ffffff;
  transform: rotate(-45deg);
}

.top-nav {
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.top-nav a {
  text-decoration: none;
  white-space: nowrap;
}

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

.top-nav a[aria-current="page"] {
  color: var(--ink);
}

.nav-download {
  min-height: 34px;
  padding: 0 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
}

.hero {
  display: grid;
  gap: clamp(28px, 4.8vw, 58px);
  align-items: center;
  min-height: calc(100dvh - 70px);
  padding: clamp(42px, 5.8vw, 70px) clamp(20px, 5vw, 80px) clamp(38px, 5vw, 64px);
}

.hero-copy {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.status-line {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 760;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(58px, 7.2vw, 98px);
  font-weight: 780;
  line-height: 0.96;
}

.hero h1 span {
  display: block;
}

.hero-subtitle {
  max-width: 620px;
  margin: 22px auto 0;
  color: var(--muted-strong);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.hero-platforms {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.hero-platforms a {
  color: var(--accent-strong);
  text-decoration: none;
}

.hero-platforms a:hover {
  color: var(--ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 780;
  line-height: 1;
  white-space: nowrap;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

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

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

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 16px 42px rgba(59, 130, 246, 0.28);
}

.button.secondary {
  background: rgba(219, 234, 254, 0.07);
  color: var(--ink);
}

.product-stage {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(219, 234, 254, 0.2);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(219, 234, 254, 0.08), rgba(219, 234, 254, 0.02)),
    #071426;
  box-shadow: var(--shadow);
}

.window-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  background: rgba(219, 234, 254, 0.045);
}

.product-stage img {
  display: block;
  width: 100%;
  height: auto;
}

.trust-strip,
.workflow,
.privacy-panel,
.download-panel,
.purchase {
  width: min(1180px, calc(100% - 40px));
  margin: clamp(64px, 9vw, 118px) auto 0;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}

.trust-strip article {
  min-height: 142px;
  padding: 24px;
  background: rgba(10, 22, 40, 0.92);
}

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

.trust-strip strong {
  color: var(--ink);
  font-size: 16px;
}

.trust-strip span {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.58;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: start;
}

.section-copy {
  position: sticky;
  top: 104px;
}

.section-copy h2,
.privacy-panel h2,
.download-panel h2,
.purchase h2,
.document h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 4.2vw, 62px);
  line-height: 1.02;
}

.section-copy p,
.privacy-panel p,
.download-panel p,
.purchase p,
.document p,
.document li {
  color: var(--muted);
  line-height: 1.68;
}

.section-copy p,
.privacy-panel > div > p,
.download-panel p,
.purchase p {
  max-width: 690px;
  margin: 20px 0 0;
}

.workflow-lanes {
  display: grid;
  gap: 14px;
}

.workflow-lanes article {
  min-height: 188px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(59, 130, 246, 0.1), transparent 38%),
    rgba(10, 22, 40, 0.9);
}

.workflow-lanes article:nth-child(2) {
  margin-left: clamp(0px, 5vw, 58px);
}

.workflow-lanes article:nth-child(3) {
  margin-left: clamp(0px, 10vw, 116px);
}

.workflow-lanes article:nth-child(4) {
  margin-left: clamp(0px, 6vw, 78px);
}

.workflow-lanes span {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 780;
}

.workflow-lanes h3,
.privacy-list h3 {
  margin: 14px 0 12px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.22;
}

.workflow-lanes p,
.privacy-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 20% 10%, rgba(59, 130, 246, 0.14), transparent 32%),
    rgba(10, 22, 40, 0.88);
}

.privacy-list {
  display: grid;
  gap: 12px;
}

.privacy-list article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(219, 234, 254, 0.045);
}

.download-panel,
.purchase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(28px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(10, 22, 40, 0.9);
}

.purchase {
  margin-bottom: 76px;
  background: rgba(219, 234, 254, 0.045);
}

.tab-page {
  min-height: calc(100dvh - 70px);
  padding: clamp(46px, 7vw, 88px) clamp(20px, 5vw, 80px) 76px;
}

.page-hero {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.page-hero h1 {
  max-width: 12ch;
}

.page-hero p:last-child {
  max-width: 720px;
  margin: 22px auto 0;
  color: var(--muted-strong);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.pricing-grid,
.download-grid {
  display: grid;
  width: min(1180px, 100%);
  margin: clamp(42px, 6vw, 72px) auto 0;
  gap: 16px;
}

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

.download-grid {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.plan-card,
.download-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(59, 130, 246, 0.09), transparent 42%),
    rgba(10, 22, 40, 0.9);
}

.featured-plan,
.primary-download {
  border-color: rgba(147, 197, 253, 0.52);
  box-shadow: 0 28px 90px rgba(37, 99, 235, 0.2);
}

.plan-badge {
  align-self: flex-start;
  padding: 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(59, 130, 246, 0.09);
  font-size: 12px;
  font-weight: 780;
}

.plan-card h2,
.download-card h2,
.pricing-note h2 {
  margin: 22px 0 0;
  color: var(--ink);
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.08;
}

.plan-note,
.download-card p,
.pricing-note p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.66;
}

.release-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}

.release-meta div {
  min-width: 0;
  padding: 13px 14px;
  background: rgba(219, 234, 254, 0.045);
}

.release-meta .full-row {
  grid-column: 1 / -1;
}

.release-meta dt {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.release-meta dd {
  margin: 0;
  color: var(--muted-strong);
  font-size: 13px;
  line-height: 1.45;
}

.checksum {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.price {
  margin: 24px 0 0;
  color: var(--ink);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 780;
  line-height: 1;
}

.price span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.plan-card .button,
.download-card .button {
  align-self: flex-start;
  margin-top: 26px;
}

.feature-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  color: var(--muted-strong);
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.5;
}

.feature-list li::before {
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.pricing-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  width: min(1180px, 100%);
  margin: 18px auto 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(219, 234, 254, 0.055);
}

.pricing-note h2 {
  margin-top: 0;
}

.pricing-faq {
  display: grid;
  grid-template-columns: minmax(260px, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: start;
  width: min(1180px, 100%);
  margin: clamp(18px, 4vw, 36px) auto 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(59, 130, 246, 0.08), transparent 42%),
    rgba(10, 22, 40, 0.9);
}

.inline-section-copy {
  position: static;
}

.faq-grid {
  display: grid;
  gap: 12px;
}

.faq-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(219, 234, 254, 0.045);
}

.faq-grid h3 {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.3;
}

.faq-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.document-page {
  min-height: calc(100dvh - 70px);
  padding: clamp(40px, 7vw, 92px) clamp(20px, 5vw, 72px);
}

.document {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(10, 22, 40, 0.94);
  box-shadow: 0 24px 70px rgba(6, 16, 30, 0.3);
}

.document section {
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.document h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px clamp(20px, 5vw, 80px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer a {
  text-decoration: none;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --ink: #0b1729;
    --muted: #53647d;
    --muted-strong: #24364f;
    --paper: #f6f9ff;
    --panel: #ffffff;
    --panel-raised: #f8fbff;
    --panel-soft: #eaf2ff;
    --accent: #2563eb;
    --accent-strong: #1d4ed8;
    --accent-ink: #ffffff;
    --line: rgba(15, 23, 42, 0.12);
    --line-strong: rgba(15, 23, 42, 0.22);
    --shadow: 0 44px 120px rgba(37, 99, 235, 0.18);
  }

  body {
    background:
      radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.16), transparent 34%),
      radial-gradient(circle at 8% 18%, rgba(14, 165, 233, 0.09), transparent 30%),
      linear-gradient(180deg, #f8fbff 0%, #eef5ff 46%, #f8fbff 100%);
  }

  .site-header {
    background: rgba(248, 251, 255, 0.8);
  }

  .product-stage,
  .trust-strip article,
  .workflow-lanes article,
  .privacy-panel,
  .plan-card,
  .download-card,
  .pricing-faq,
  .faq-grid article,
  .download-panel,
  .purchase,
  .document {
    background: rgba(255, 255, 255, 0.86);
  }

  .button.secondary {
    background: rgba(15, 23, 42, 0.05);
  }

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

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

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

  .workflow,
  .privacy-panel,
  .pricing-grid,
  .download-grid,
  .pricing-note,
  .pricing-faq,
  .download-panel,
  .purchase {
    grid-template-columns: 1fr;
  }

  .section-copy {
    position: static;
  }

  .workflow-lanes article:nth-child(2),
  .workflow-lanes article:nth-child(3),
  .workflow-lanes article:nth-child(4) {
    margin-left: 0;
  }

  .download-actions {
    justify-content: flex-start;
    margin-top: 0;
  }

  .pricing-note .button {
    justify-self: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .top-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-copy {
    text-align: left;
  }

  h1 {
    max-width: 10ch;
    margin: 0;
    font-size: clamp(42px, 13vw, 64px);
  }

  .hero-subtitle {
    margin-left: 0;
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .hero-platforms {
    justify-content: flex-start;
  }

  .product-stage,
  .trust-strip,
  .privacy-panel,
  .plan-card,
  .download-card,
  .pricing-note,
  .pricing-faq,
  .download-panel,
  .purchase {
    border-radius: 16px;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip article,
  .workflow-lanes article,
  .privacy-list article,
  .privacy-panel,
  .plan-card,
  .download-card,
  .pricing-note,
  .pricing-faq,
  .faq-grid article,
  .download-panel,
  .purchase {
    padding: 20px;
  }

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

  .page-hero {
    text-align: left;
  }

  .page-hero h1,
  .page-hero p:last-child {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
