:root {
  --navy: #0f172a;
  --navy-soft: #1e293b;
  --ink: #0f172a;
  --body: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #ffffff;
  --panel: #f8fafc;
  --link: #1d4ed8;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

header.site {
  background: var(--navy);
  color: #f8fafc;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
}

header.site .wrap { padding-bottom: 0; }

header.site a { color: #f8fafc; text-decoration: none; }

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: block;
}

nav.site {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-size: 0.95rem;
}

nav.site a { color: #cbd5e1; }
nav.site a:hover { color: #ffffff; }

h1 {
  color: var(--ink);
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

h2 {
  color: var(--ink);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0.75rem;
}

h3 {
  color: var(--ink);
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
}

p { margin: 0 0 1rem; }

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

.lede {
  font-size: 1.15rem;
  color: var(--body);
  margin-bottom: 2rem;
}

.app {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  background: var(--panel);
  margin-bottom: 1.25rem;
}

.app img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: block;
  flex: 0 0 auto;
}

.app h3 { margin: 0 0 0.25rem; font-size: 1.15rem; }
.app p { margin: 0 0 0.5rem; }

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--navy);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  vertical-align: 0.15em;
  margin-left: 0.4rem;
}

ul.soon {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

ul.soon li {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0;
}

ul.soon strong { color: var(--ink); }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-top: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site p { margin: 0 0 0.35rem; }

@media (max-width: 30rem) {
  body { font-size: 16px; }
  h1 { font-size: 1.6rem; }
  .app { flex-direction: column; }
}

/* --- app pages --- */

.hero {
  background: var(--navy);
  color: #f1f5f9;
  border-radius: 18px;
  padding: 1.75rem 1.5rem;
  margin-bottom: 2rem;
}

.hero img.icon {
  width: 84px;
  height: 84px;
  border-radius: 19px;
  display: block;
  margin-bottom: 1rem;
}

.hero h1 { color: #ffffff; margin-bottom: 0.35rem; }

.hero .hook {
  font-size: 1.2rem;
  color: #cbd5e1;
  font-style: italic;
  margin: 0 0 1.25rem;
}

.hero p { color: #e2e8f0; }

.btn {
  display: inline-block;
  background: #ffffff;
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  padding: 0.7rem 1.15rem;
  margin-top: 0.5rem;
}

.btn:hover { background: #e2e8f0; }

.btn.ghost {
  background: transparent;
  color: #f8fafc;
  box-shadow: inset 0 0 0 1px #475569;
  margin-left: 0.5rem;
}

.btn.ghost:hover { background: var(--navy-soft); }

.shots {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  padding: 0.25rem 0 1rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.shots img {
  width: 200px;
  flex: 0 0 auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  scroll-snap-align: start;
}

ol.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

ol.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 0.9rem 2.4rem;
}

ol.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 1rem;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover { border-color: var(--navy); }
.card h3 { margin: 0 0 0.35rem; }
.card p { margin: 0; font-size: 0.95rem; }

.note {
  background: var(--panel);
  border-left: 3px solid var(--navy);
  border-radius: 0 10px 10px 0;
  padding: 0.9rem 1rem;
}

.note p:last-child { margin-bottom: 0; }

.back { font-size: 0.9rem; margin-bottom: 1rem; display: block; }