:root {
  --bg: #0f1115;
  --panel: #161a20;
  --panel-2: #1c2129;
  --border: #2a313b;
  --text: #d7dce3;
  --muted: #8b95a3;
  --accent: #3987e5;
  --accent-text: #ffffff;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'JetBrains Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --panel-2: #eef0f3;
    --border: #d9dde3;
    --text: #1d232b;
    --muted: #5e6873;
    --accent: #2a78d6;
    color-scheme: light;
  }
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
}
a {
  color: var(--accent);
}
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ------------------------------------------------------------ nav */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px max(16px, calc((100vw - 1120px) / 2));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}
.nav nav {
  display: flex;
  gap: 20px;
}
.nav nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav nav a:hover {
  color: var(--text);
}

/* ------------------------------------------------------------ layout */

main section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 16px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin: 0 0 32px;
  letter-spacing: -0.01em;
}
h3 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}
.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 0 28px;
}
.meta {
  color: var(--muted);
  font-size: 0.95rem;
}
.hero {
  text-align: center;
}
.hero .lead {
  margin-left: auto;
  margin-right: auto;
}
.cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.button:hover {
  border-color: var(--accent);
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  padding: 12px 24px;
  font-size: 1.05rem;
}
.button.primary:hover {
  filter: brightness(1.1);
}
.button .size {
  font-weight: 400;
  font-size: 0.85em;
  opacity: 0.75;
}
.shot {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.hero-shot {
  margin-top: 48px;
}
.shot-link {
  display: block;
  cursor: zoom-in;
}

/* ------------------------------------------------------------ features */

.feature {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 72px;
}
.feature.reverse {
  grid-template-columns: 1.6fr 1fr;
}
.feature.reverse .text {
  order: 2;
}
.feature p {
  color: var(--muted);
  margin: 0;
}
.grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.grid li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  color: var(--muted);
}
.grid strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

/* ------------------------------------------------------------ download */

.platforms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.platform {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.platform .note {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 4px 0 0;
}

footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 16px 48px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .feature,
  .feature.reverse,
  .platforms,
  .grid {
    grid-template-columns: 1fr;
  }
  .feature.reverse .text {
    order: 0;
  }
  main section {
    padding: 48px 16px;
  }
  .nav nav {
    gap: 14px;
  }
  .nav nav a[href="#features"] {
    display: none;
  }
}

.kicker {
  margin: -4px 0 16px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ------------------------------------------------------------ faq */

.faq details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details p {
  color: var(--muted);
  margin: 10px 0 0;
}
@media (max-width: 860px) {
  .nav nav a[href="#faq"] {
    display: none;
  }
}