:root {
  --ink: #1b2420;
  --muted: #5d6b64;
  --paper: #f4f8f5;
  --card: #ffffff;
  --line: #dbe5df;
  --accent: #1a9b6c;
  --accent-ink: #0f6b49;
  --on-accent: #ffffff;
  --radius: 16px;
  --maxw: 960px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8f0ec;
    --muted: #9aaba2;
    --paper: #0f1512;
    --card: #17201b;
    --line: #26332c;
    --accent: #2fc08a;
    --accent-ink: #5fd7a8;
    --on-accent: #07160f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: 20px; padding-right: 20px; }
@media (max-width: 520px) { .wrap { padding-left: 16px; padding-right: 16px; } .nav { padding-left: 16px; padding-right: 16px; } }

/* Nav */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; max-width: var(--maxw); margin: 0 auto; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand .mark { color: var(--accent); }
.nav-links { display: flex; gap: 16px; flex-wrap: wrap; }
.nav a.link { color: var(--muted); font-weight: 500; }
@media (max-width: 520px) { .nav { flex-wrap: wrap; gap: 4px 12px; } }

/* Hero */
.hero { text-align: center; padding-top: 56px; padding-bottom: 36px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; margin: 0 0 14px; letter-spacing: -0.02em; }
.hero p.tag { font-size: clamp(1.05rem, 2.5vw, 1.3rem); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.aka { color: var(--muted); font-size: 0.95rem; margin-top: 18px; }
.cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: var(--on-accent); font-weight: 600;
  padding: 13px 24px; border-radius: 999px; font-size: 1.05rem;
}
.cta:hover { text-decoration: none; opacity: 0.92; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Screenshots */
.shots { text-align: center; padding-top: 8px; padding-bottom: 12px; }
.shots h2 { margin: 0 0 6px; font-size: 1.6rem; }
.shot-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 18px; margin-top: 18px; }
.shot-row img { display: block; width: 100%; height: auto; border-radius: 22px; border: 1px solid var(--line); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08); }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; padding-top: 24px; padding-bottom: 40px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.feature h3 { margin: 0 0 6px; font-size: 1.1rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* Band */
.band { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-top: 40px; padding-bottom: 40px; text-align: center; }
.band h2 { margin: 0 0 10px; font-size: 1.6rem; }
.band p { color: var(--muted); max-width: 620px; margin: 0 auto; }

/* Support / FAQ */
.support { padding-top: 40px; padding-bottom: 16px; }
.support h2 { font-size: 1.6rem; margin: 0 0 14px; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 0 0 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--muted); }

/* Footer */
footer { padding: 34px 0 48px; color: var(--muted); font-size: 0.9rem; text-align: center; }
footer .links { margin-bottom: 10px; }
footer .links a { margin: 0 10px; color: var(--muted); display: inline-block; }

/* Article pages */
.article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin: 24px 0 32px; }
.article h1 { margin-top: 0; }
.article h2 { margin-top: 1.8em; font-size: 1.25rem; }
.article .updated { color: var(--muted); font-size: 0.9rem; }
.article li { margin-bottom: 4px; }
@media (max-width: 520px) { .article { padding: 20px; } }