:root {
  --color-deep: #020617;
  --color-deep-raised: #0b1220;
  --color-primary: #1565c0;
  --color-secondary: #26c6da;
  --color-bg: #f7faff;
  --color-surface: #ffffff;
  --color-surface-soft: #eaf6ff;
  --color-text: #102033;
  --color-muted: #536275;
  --color-border: #d7e2ef;
  --color-warning: #b94700;
  --color-success: #0f7a5f;
  --shadow-soft: 0 18px 50px rgba(2, 6, 23, 0.14);
  --shadow-card: 0 10px 28px rgba(15, 35, 70, 0.12);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --content-max: 1180px;
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-deep);
  padding: 10px 14px;
  box-shadow: var(--shadow-card);
  transition: transform 150ms ease;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  border-bottom: 1px solid rgba(215, 226, 239, 0.18);
  background: rgba(2, 6, 23, 0.94);
  color: #ffffff;
  padding: 12px clamp(18px, 4vw, 44px);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 800;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.brand:hover,
.brand:focus-visible {
  transform: translateY(-1px);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  transition:
    box-shadow 180ms ease,
    transform 180ms ease;
}

.brand:hover img,
.brand:focus-visible img {
  box-shadow: 0 0 0 4px rgba(38, 198, 218, 0.18);
  transform: scale(1.03);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2.6vw, 30px);
  min-width: 0;
}

.site-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
  transform: translateY(-1px);
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-secondary);
  content: "";
  opacity: 0;
  transform: scaleX(0.55);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.language-control select {
  min-width: 72px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  padding: 9px 10px;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.language-control select:hover,
.language-control select:focus-visible {
  border-color: rgba(38, 198, 218, 0.72);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 4px rgba(38, 198, 218, 0.14);
}

.language-control option {
  color: var(--color-text);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  min-height: min(740px, 82svh);
  overflow: hidden;
  background: var(--color-deep);
  color: #ffffff;
  padding: clamp(70px, 10vw, 118px) clamp(20px, 5vw, 64px) clamp(62px, 8vw, 96px);
}

.hero-media,
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  grid-template-rows: 1fr 1fr;
  gap: 0;
  opacity: 0.52;
  transform: translate3d(0, var(--hero-parallax, 0px), 0) scale(1.035);
  transform-origin: center;
  transition: transform 120ms linear;
  will-change: transform;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.05);
  transform: scale(1.01);
  transition:
    filter 400ms ease,
    transform 700ms ease;
}

.hero-image-primary {
  grid-row: span 2;
}

.hero-scrim {
  z-index: -1;
  background: rgba(2, 6, 23, 0.72);
}

.hero-inner {
  width: min(760px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.08rem, 2vw, 1.38rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  text-decoration: none;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--color-secondary);
  color: #041118;
  box-shadow: 0 12px 30px rgba(38, 198, 218, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 16px 36px rgba(38, 198, 218, 0.36);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.52);
  background: rgba(255, 255, 255, 0.16);
}

.button-quiet {
  width: 100%;
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
}

.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: rgba(21, 101, 192, 0.34);
  box-shadow: 0 10px 24px rgba(21, 101, 192, 0.12);
}

.button[aria-disabled="true"] {
  cursor: not-allowed;
  color: var(--color-muted);
  background: #f0f4f9;
  box-shadow: none;
}

.button[aria-disabled="true"]:hover,
.button[aria-disabled="true"]:focus-visible {
  transform: none;
}

.hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-signals li {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.86);
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 700;
}

.section-inner {
  width: min(var(--content-max), calc(100% - 40px));
  margin-inline: auto;
}

.section-inner.narrow {
  width: min(820px, calc(100% - 40px));
}

.intro-section {
  padding: clamp(44px, 7vw, 76px) 0;
  background: var(--color-surface);
}

.intro-section h2,
.section-heading h2,
.support-layout h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.intro-section p:last-child,
.section-heading p:last-child,
.support-layout > div > p:last-child {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.content-section {
  padding: clamp(58px, 8vw, 96px) 0;
}

.surface-section {
  background: var(--color-surface);
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.feature-grid,
.info-grid,
.install-grid {
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.info-panel,
.install-panel,
.action-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.feature-card {
  display: grid;
  grid-template-rows: 180px 1fr;
  min-height: 410px;
  overflow: hidden;
}

.feature-card:hover,
.feature-card:focus-within,
.info-panel:hover,
.info-panel:focus-within,
.install-panel:hover,
.install-panel:focus-within,
.action-panel:hover,
.action-panel:focus-within {
  border-color: rgba(21, 101, 192, 0.24);
  box-shadow: 0 18px 42px rgba(15, 35, 70, 0.16);
  transform: translateY(-4px);
}

.feature-card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: var(--color-surface-soft);
  padding: 18px;
  transition:
    background-color 220ms ease,
    transform 360ms ease;
}

.feature-card:hover img,
.feature-card:focus-within img {
  background: #e3f7ff;
  transform: scale(1.025);
}

.feature-card div {
  padding: 20px;
}

.feature-card h3,
.info-panel h3,
.install-panel h3,
.action-panel h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.22;
}

.feature-card p,
.info-panel p,
.install-panel li,
.action-panel p {
  color: var(--color-muted);
}

.feature-card p,
.info-panel p,
.action-panel p {
  margin: 10px 0 0;
}

.support-note {
  font-size: 0.94rem;
  font-style: italic;
}

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

.info-panel,
.install-panel,
.action-panel {
  padding: 22px;
}

.info-panel:nth-child(1) {
  border-top: 4px solid var(--color-primary);
}

.info-panel:nth-child(2) {
  border-top: 4px solid var(--color-success);
}

.info-panel:nth-child(3) {
  border-top: 4px solid var(--color-warning);
}

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

.install-panel ol {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding-left: 22px;
}

.support-section {
  background: var(--color-deep);
  color: #ffffff;
}

.support-section .section-kicker {
  color: var(--color-secondary);
}

.support-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: start;
}

.support-layout > div > p:last-child {
  color: rgba(255, 255, 255, 0.76);
}

.support-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.action-panel {
  background: #ffffff;
  color: var(--color-text);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}

.action-panel .button {
  margin-top: 18px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  padding: 24px clamp(20px, 5vw, 44px);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--color-primary);
  font-weight: 800;
  text-decoration: none;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #0d47a1;
  transform: translateY(-1px);
}

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 3px;
}

.motion-ready .reveal-target {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 620ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 620ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

.motion-ready .feature-card.reveal-target.is-visible:hover,
.motion-ready .feature-card.reveal-target.is-visible:focus-within,
.motion-ready .info-panel.reveal-target.is-visible:hover,
.motion-ready .info-panel.reveal-target.is-visible:focus-within,
.motion-ready .install-panel.reveal-target.is-visible:hover,
.motion-ready .install-panel.reveal-target.is-visible:focus-within,
.motion-ready .action-panel.reveal-target.is-visible:hover,
.motion-ready .action-panel.reveal-target.is-visible:focus-within {
  transform: translateY(-4px);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

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

  .info-grid,
  .support-layout,
  .support-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    gap: 12px;
    padding: 10px 16px;
  }

  .brand span {
    font-size: 0.98rem;
  }

  .site-nav {
    gap: 16px;
  }

  .site-nav a {
    white-space: nowrap;
  }

  .hero {
    min-height: auto;
    padding: 62px 20px 56px;
  }

  .hero-media {
    grid-template-columns: 1fr 1fr;
    opacity: 0.42;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .hero-image-primary {
    grid-row: auto;
  }

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

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

  .feature-card {
    grid-template-rows: 150px 1fr;
    min-height: 0;
  }

  .feature-card img {
    height: 150px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

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

  .hero-media {
    transform: none !important;
    will-change: auto;
  }

  .motion-ready .reveal-target {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .brand,
  .brand img,
  .site-nav a,
  .button,
  .feature-card,
  .feature-card img,
  .info-panel,
  .install-panel,
  .action-panel,
  .site-footer a {
    transform: none !important;
  }
}