:root {
  --bg: #f6f8f7;
  --card: #ffffff;
  --text: #0f2f27;
  --muted: #4f6760;
  --primary: #003526;
  --accent: #fed65b;
  --border: #dbe3df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.brand-wordmark {
  height: 30px;
  width: auto;
}

nav a {
  color: var(--text);
  margin-left: 18px;
  text-decoration: none;
  font-weight: 600;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
  padding: 44px 0 14px;
}

h1 {
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.1;
  margin: 0 0 12px;
}

h2 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 34px);
}

h3 {
  margin: 0 0 8px;
}

p {
  margin: 0;
}

.hero-copy p {
  color: var(--muted);
  max-width: 60ch;
}

.actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  padding: 12px 16px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-secondary {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--border);
}

.hero-art img {
  width: 100%;
  border-radius: 22px;
  border: 1px solid var(--border);
  display: block;
}

.section {
  padding: 24px 0;
}

.section-soft {
  background: #eef3f1;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  margin-bottom: 32px;
}

.grid {
  display: grid;
  gap: 14px;
}

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

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.card p,
.muted {
  color: var(--muted);
}

.screenshot-placeholder {
  min-height: 340px;
  border-radius: 16px;
  border: 2px dashed #b8c7c0;
  background: #fbfcfb;
  display: grid;
  place-items: center;
  text-align: center;
  color: #5f756e;
  font-weight: 700;
  padding: 16px;
}

.screenshot-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 10px;
}

.screenshot-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.prose h1 {
  margin-bottom: 8px;
}

.prose h2 {
  margin-top: 22px;
  margin-bottom: 8px;
  font-size: 24px;
}

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

.prose a {
  color: var(--primary);
}

.footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .three,
  .four {
    grid-template-columns: 1fr;
  }
}