:root {
  --ink: #18181b;
  --muted: #52525b;
  --soft: #71717a;
  --line: #e4e4e7;
  --bg: #fafaf9;
  --panel: #ffffff;
  --alt: #f4f4f2;
  --night: #1f2937;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --strip-ext-day: #fff3ad;
  --strip-int-day: #bfe3ff;
  --strip-ext-afternoon: #ffab5c;
  --strip-int-night: #b393e6;
  --strip-ext-night: #5b7fd6;
  --radius: 12px;
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  line-height: 1.6;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}
.window video {
  width: 100%;
  background: #ebeae7;
}

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

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
.brand img {
  width: 32px;
  height: 32px;
}
.nav-links {
  display: flex;
  gap: 22px;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}
.nav-links a:hover {
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}
.eyebrow {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--soft);
}
h1 {
  margin: 0 auto;
  max-width: 820px;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.lede {
  margin: 20px auto 0;
  max-width: 640px;
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--muted);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}
.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.button:hover {
  border-color: #d4d4d8;
}
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.button.primary:hover {
  background: #1d4ed8;
}
.platforms {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--soft);
}
.hero-shot {
  margin-top: 48px;
}

/* ---------- App screenshots in a window frame ---------- */
.window {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(24, 24, 27, 0.12);
}
.window-bar {
  display: flex;
  gap: 7px;
  padding: 11px 14px;
  background: var(--night);
}
.window-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #4b5563;
}

/* ---------- Stripboard band ---------- */
.strips {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  height: 10px;
}
.strips .s1 {
  background: var(--strip-ext-day);
}
.strips .s2 {
  background: var(--strip-int-day);
}
.strips .s3 {
  background: var(--strip-ext-afternoon);
}
.strips .s4 {
  background: var(--strip-int-night);
}
.strips .s5 {
  background: var(--strip-ext-night);
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 0;
}
.section.alt {
  background: var(--alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
h2 {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.section-lede {
  margin: 12px 0 0;
  max-width: 680px;
  font-size: 18px;
  color: var(--muted);
}
h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 36px;
}
.card {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.card p,
.point p {
  margin: 0;
  color: var(--muted);
}
.point {
  border-top: 3px solid var(--night);
  padding-top: 16px;
}

/* ---------- Showcase rows ---------- */
.showcase {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 48px;
  align-items: center;
}
.showcase + .showcase {
  margin-top: 72px;
}
.showcase.reverse .showcase-text {
  order: 2;
}
.showcase-text p {
  margin: 14px 0 0;
  font-size: 18px;
  color: var(--muted);
}

/* ---------- Downloads ---------- */
.downloads .card {
  display: flex;
  flex-direction: column;
}
.downloads .button {
  align-self: flex-start;
  margin: 4px 0 14px;
}
.downloads .note {
  font-size: 15px;
}
.downloads .alt {
  margin-top: auto;
  padding-top: 12px;
  font-size: 14px;
  color: var(--soft);
}
.card.os.mine {
  border: 2px solid var(--accent);
}
code {
  font-family: ui-monospace, 'Cascadia Mono', Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--alt);
  padding: 1px 5px;
  border-radius: 5px;
}
.fine {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--soft);
}

/* ---------- Footer ---------- */
.footer {
  padding: 28px 0;
  font-size: 14px;
  color: var(--soft);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}
.footer-note {
  flex-basis: 100%;
  font-size: 13px;
}

/* ---------- Small screens ---------- */
@media (max-width: 860px) {
  .grid,
  .grid.three {
    grid-template-columns: minmax(0, 1fr);
  }
  .showcase {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .showcase.reverse .showcase-text {
    order: 0;
  }
  .section {
    padding: 56px 0;
  }
}
@media (max-width: 520px) {
  .wrap {
    padding: 0 16px;
  }
  .nav-links {
    gap: 14px;
  }
  .nav-links a[href='#features'] {
    display: none;
  }
  .hero {
    padding: 48px 0 40px;
  }
}