:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #526984;
  --soft: #eef5ff;
  --soft-strong: #dbe9ff;
  --blue: #0d5cff;
  --blue-dark: #0946c4;
  --blue-soft: #d8e7ff;
  --line: #d9e5f8;
  --paper: #ffffff;
  --surface: #f6f9ff;
  --shadow: 0 1.5rem 4rem rgba(28, 80, 150, 0.14);
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --font-display: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  --font-body: "Segoe UI Variable Text", "Segoe UI", sans-serif;
  --container: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(216, 231, 255, 0.65), rgba(255, 255, 255, 0) 26rem),
    var(--surface);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

code {
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--soft);
  color: var(--blue-dark);
  padding: 0.125rem 0.35rem;
  font-size: 0.9em;
}

:focus-visible {
  outline: 0.1875rem solid rgba(13, 92, 255, 0.42);
  outline-offset: 0.1875rem;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: white;
  padding: 0.75rem 1rem;
  transition: transform 180ms ease;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(246, 249, 255, 0.82);
  backdrop-filter: blur(1.125rem);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: rgba(180, 201, 232, 0.7);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0.75rem 2rem rgba(22, 60, 110, 0.08);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 2.75rem;
}

.brand img {
  width: 9.5rem;
  height: auto;
}

.nav-toggle {
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.125rem;
  height: 0.125rem;
  border-radius: 999px;
  background: currentColor;
}

.nav-toggle span + span {
  margin-top: -1.05rem;
}

.site-nav {
  position: fixed;
  inset: 4.75rem 1rem auto 1rem;
  display: grid;
  gap: 0.5rem;
  transform: translateY(-0.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  padding: 0.75rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.site-nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--blue);
  background: var(--soft);
}

.site-nav .nav-download {
  background: var(--ink);
  color: white;
}

.section-panel {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 15% 20%, rgba(13, 92, 255, 0.12), transparent 19rem),
    radial-gradient(circle at 82% 10%, rgba(64, 153, 255, 0.16), transparent 18rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(246, 249, 255, 0.92));
}

.hero {
  min-height: calc(100vh - 4.75rem);
  display: grid;
  align-items: center;
  padding-block: clamp(3rem, 8vw, 6rem);
}

.hero-grid,
.download-grid,
.experience-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.hero-copy,
.download-copy,
.experience-copy {
  max-width: 42rem;
}

.eyebrow {
  margin: 0 0 0.875rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.06;
  letter-spacing: 0;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 13vw, 5.9rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 6vw, 4rem);
}

h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.hero-text,
.section-heading p,
.experience-copy p,
.download-copy p {
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  min-height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.8rem 1.15rem;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-0.125rem);
}

.button-primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 1rem 2rem rgba(13, 92, 255, 0.22);
}

.button-primary:hover {
  background: var(--blue-dark);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

.button-disabled,
.button-disabled:hover {
  transform: none;
  background: #95aac7;
  box-shadow: none;
  cursor: not-allowed;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 2% -5%;
  z-index: -1;
  border-radius: 2rem;
  background: linear-gradient(135deg, rgba(13, 92, 255, 0.16), rgba(139, 190, 255, 0.18));
  filter: blur(1rem);
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  filter: drop-shadow(0 2rem 3rem rgba(28, 80, 150, 0.16));
}

.trust-strip {
  padding-block: 1rem;
  background: var(--ink);
  color: white;
}

.trust-inner {
  display: grid;
  gap: 0.45rem;
}

.trust-inner span,
.trust-inner a {
  color: #bcd1ee;
  font-weight: 700;
}

.trust-inner a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.section-block {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

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

.feature-card,
.release-card,
.download-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 1rem 2.5rem rgba(34, 83, 145, 0.08);
}

.feature-card,
.release-card {
  padding: clamp(1.25rem, 4vw, 2rem);
}

.feature-card p,
.release-card p,
.split-cta p,
.download-card p,
.faq p {
  color: var(--muted);
}

.feature-icon,
.release-card span {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-sm);
  background: var(--soft);
  color: var(--blue);
  font-weight: 900;
}

.experience {
  padding-block: clamp(4rem, 9vw, 7rem);
}

.workflow-list {
  display: grid;
  gap: 0.875rem;
}

.workflow-list div {
  display: grid;
  gap: 0.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  padding: 1rem;
}

.workflow-list span {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workflow-list strong {
  font-size: 1.1rem;
}

.split-cta {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 5vw, 2.5rem);
}

.split-cta h2 {
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  padding: 1rem 1.1rem;
}

.faq-list summary {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 850;
}

.faq-list p {
  margin-bottom: 0.25rem;
}

.download-hero {
  min-height: calc(100vh - 4.75rem);
  display: grid;
  align-items: center;
  padding-block: clamp(3rem, 8vw, 6rem);
}

.download-card {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 5vw, 2.25rem);
}

.download-card h2 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

.platform-badge {
  width: 4.75rem;
  height: 4.75rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  border-radius: var(--radius-lg);
  background: var(--blue);
  padding: 0.85rem;
  box-shadow: 0 1rem 2rem rgba(13, 92, 255, 0.22);
}

.platform-badge span {
  border-radius: 0.25rem;
  background: white;
}

.download-note {
  margin-bottom: 0;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding-block: 2rem;
}

.footer-inner {
  display: grid;
  gap: 1rem;
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  min-width: 2.75rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-weight: 800;
}

.footer-links a:hover {
  color: var(--blue);
}

.reveal {
  transform: translateY(1rem);
  opacity: 0;
  transition: transform 520ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 520ms ease;
}

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

@media (min-width: 640px) {
  .trust-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

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

  .split-cta {
    grid-template-columns: 1.2fr 1fr auto;
  }
}

@media (min-width: 768px) {
  .container {
    width: min(100% - 3rem, var(--container));
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transform: none;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding-inline: 0.85rem;
  }

  .site-nav .nav-download {
    margin-left: 0.35rem;
    padding-inline: 1rem;
    border-radius: var(--radius-md);
  }

  .hero-grid,
  .download-grid,
  .experience-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }

  .download-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 0.75fr);
  }

  .footer-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .hero-copy {
    padding-bottom: 5rem;
  }

  .hero-visual {
    transform: translateX(1.25rem);
  }
}

@media (max-width: 639px) {
  .hero-actions .button,
  .split-cta .button,
  .download-card .button {
    width: 100%;
  }

  h1 {
    max-width: 10ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    transform: none;
    opacity: 1;
  }
}