:root {
  --bg: #05070d;
  --bg-soft: #0a1020;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --text: #f6fbff;
  --muted: #a9b8c8;
  --line: rgba(255, 255, 255, 0.14);
  --blue: #21b8ff;
  --green: #32f08d;
  --violet: #7b6cff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 16% 0%, rgba(33, 184, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 82% 8%, rgba(50, 240, 141, 0.15), transparent 34rem),
    linear-gradient(180deg, #060915 0%, #05070d 45%, #08101b 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

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

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

.site-header {
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 13, 0.78);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.nav {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1180px;
  padding: 14px 22px;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  border-radius: 8px;
  height: 38px;
  width: 38px;
}

.brand span {
  font-size: 1.08rem;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 4px;
}

.nav-links a,
.nav-cta,
.menu-toggle {
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  min-height: 40px;
  padding: 9px 12px;
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #04111c;
  display: inline-flex;
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta.active {
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #04111c;
}

.menu-toggle {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  display: none;
}

.container {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 22px;
}

.hero {
  min-height: calc(100vh - 70px);
  padding: 78px 0 44px;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
}

.eyebrow {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  margin: 0 0 14px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-size: clamp(3.6rem, 9vw, 7.4rem);
  letter-spacing: 0;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text), var(--green) 48%, var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h2 {
  color: var(--text);
  font-size: clamp(1.65rem, 3vw, 3rem);
  margin-top: 14px;
}

.tagline {
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 800;
  margin: 20px 0 0;
}

.hero-copy {
  color: #c9d6e4;
  font-size: 1.08rem;
  margin: 18px 0 0;
  max-width: 650px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--green), var(--blue));
  border-color: transparent;
  color: #03121d;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.button.ghost {
  color: var(--muted);
}

.hero-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card img {
  aspect-ratio: 1024 / 500;
  object-fit: cover;
}

.signal-row {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, 1fr);
}

.signal {
  background: rgba(0, 0, 0, 0.2);
  padding: 16px;
}

.signal strong {
  display: block;
  font-size: 1.15rem;
}

.signal span {
  color: var(--muted);
  font-size: 0.86rem;
}

.section {
  padding: 82px 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.035);
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.section-head {
  margin-bottom: 30px;
  max-width: 760px;
}

.section-head h2,
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 4.1rem);
}

.section-head p,
.page-hero p,
.content-card p,
.feature-card p,
.support-list p,
.faq-item p {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

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

.feature-card,
.screenshot-card,
.content-card,
.toc,
.support-list,
.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.16);
}

.feature-card {
  min-height: 190px;
  padding: 24px;
  transition: transform 160ms ease, background 160ms ease;
}

.feature-card:hover,
.screenshot-card:hover {
  background: var(--panel-strong);
  transform: translateY(-3px);
}

.feature-card .icon {
  align-items: center;
  background: linear-gradient(135deg, rgba(50, 240, 141, 0.16), rgba(33, 184, 255, 0.18));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  display: inline-flex;
  font-size: 1.4rem;
  height: 44px;
  justify-content: center;
  margin-bottom: 18px;
  width: 44px;
}

.why-grid {
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.why-panel {
  background: linear-gradient(135deg, rgba(33, 184, 255, 0.14), rgba(50, 240, 141, 0.1));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}

.why-panel strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1.15;
  margin-bottom: 12px;
}

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

.screenshot-card {
  overflow: hidden;
  transition: transform 160ms ease, background 160ms ease;
}

.screenshot-frame {
  background: #05070d;
  border-bottom: 1px solid var(--line);
  min-height: 300px;
  overflow: hidden;
}

.screenshot-frame img {
  height: 300px;
  object-fit: cover;
  object-position: top center;
  width: 100%;
}

.screenshot-card h3 {
  font-size: 1rem;
  padding: 16px 16px 2px;
}

.screenshot-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
  padding: 0 16px 16px;
}

.page-hero {
  padding: 72px 0 32px;
}

.page-layout {
  display: grid;
  gap: 24px;
  grid-template-columns: 260px minmax(0, 1fr);
  padding-bottom: 84px;
}

.toc {
  align-self: start;
  padding: 18px;
  position: sticky;
  top: 86px;
}

.toc h2 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.toc a {
  color: var(--muted);
  display: block;
  font-size: 0.93rem;
  padding: 7px 0;
}

.toc a:hover {
  color: var(--text);
}

.content-card {
  padding: clamp(24px, 4vw, 42px);
}

.content-card h2 {
  border-top: 1px solid var(--line);
  font-size: 1.6rem;
  margin-top: 34px;
  padding-top: 28px;
}

.content-card h2:first-child {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
}

.content-card ul {
  color: var(--muted);
  padding-left: 22px;
}

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

.support-list,
.faq-item {
  padding: 24px;
}

.faq-stack {
  display: grid;
  gap: 14px;
}

.faq-item h2,
.support-list h2 {
  font-size: 1.35rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 0;
}

.footer-inner {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a,
.copyright {
  color: var(--muted);
  font-size: 0.92rem;
}

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

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    background: rgba(5, 7, 13, 0.96);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    left: 0;
    padding: 10px 22px 18px;
    position: absolute;
    right: 0;
    top: 67px;
  }

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

  .nav-links a,
  .nav-cta {
    justify-content: center;
    width: 100%;
  }

  .hero-grid,
  .page-layout,
  .features-grid,
  .why-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .toc {
    position: static;
  }

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

@media (max-width: 560px) {
  .nav {
    padding-inline: 16px;
  }

  .container {
    padding-inline: 16px;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .signal-row,
  .screens-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-frame,
  .screenshot-frame img {
    min-height: 260px;
  }

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