:root {
  color-scheme: light dark;
  --accent: #083473;
  --accent-soft: #e7eef9;
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: #d2d2d7;
  --radius: 18px;
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #00e9ff;
    --accent-soft: #0b2a33;
    --bg: #000000;
    --bg-alt: #111113;
    --card: #1c1c1e;
    --text: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border: #38383a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); }

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.brand img { width: 28px; height: 28px; border-radius: 7px; }

.site-header nav { display: flex; gap: 20px; font-size: 15px; }

.site-header nav a { color: var(--text-secondary); text-decoration: none; }

@media (max-width: 420px) {
  .site-header nav { gap: 14px; }
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] { color: var(--text); }

/* Hero */
.hero {
  text-align: center;
  padding-block: 72px 48px;
}

.hero .icon {
  width: 128px;
  height: 128px;
  margin: 0 auto 24px;
  border-radius: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.hero h1 {
  margin: 0;
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero .tagline {
  margin: 12px 0 0;
  font-size: clamp(20px, 3.4vw, 26px);
  color: var(--text-secondary);
}

.hero .lede {
  max-width: 620px;
  margin: 20px auto 0;
}

.button {
  display: inline-block;
  margin-top: 28px;
  padding: 12px 26px;
  border-radius: 980px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  text-decoration: none;
}

.button:hover { opacity: 0.88; }

/* Sections */
section { padding: 56px 0; }

section.alt { background: var(--bg-alt); }

h2 {
  margin: 0 0 32px;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: -0.015em;
  text-align: center;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.features li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.features h3 { margin: 0 0 6px; font-size: 19px; }

.features p { margin: 0; color: var(--text-secondary); font-size: 16px; }

/* Screenshots */
.shots {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.shots figure { margin: 0; text-align: center; }

.shots img {
  border-radius: 22px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.shots figcaption {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

@media (max-width: 760px) {
  .shots {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 62%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 12px;
  }
  .shots figure { scroll-snap-align: center; }
}

/* Pro */
.pro {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.pro p { color: var(--text-secondary); }

/* Document pages (privacy, support) */
.doc {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

.doc h1 {
  margin: 0 0 8px;
  font-size: clamp(32px, 6vw, 44px);
  letter-spacing: -0.02em;
}

.doc h2 {
  margin: 40px 0 12px;
  font-size: 22px;
  text-align: left;
}

.doc ul { padding-left: 22px; }

.doc li { margin-bottom: 8px; }

.doc address { font-style: normal; }

.muted { color: var(--text-secondary); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
  font-size: 14px;
  color: var(--text-secondary);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }

.site-footer a { color: var(--text-secondary); }