:root {
  --bg: #0f172e;
  --bg-deep: #03030a;
  --text: #f3f5fa;
  --muted: #a3acc2;
  --accent: #7ed957;
  --card: rgba(255, 255, 255, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at top, var(--bg), var(--bg-deep) 70%) fixed;
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

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

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}

header.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  text-decoration: none;
  color: var(--text);
}
header.brand img { width: 40px; height: 40px; border-radius: 10px; }
header.brand span { font-size: 22px; font-weight: 700; }

.hero { text-align: center; padding-top: 24px; }
.hero img { width: 140px; height: 140px; border-radius: 32px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); }
.hero h1 { font-size: 44px; margin: 24px 0 4px; letter-spacing: -0.5px; }
.hero p.tag { font-size: 20px; color: var(--muted); margin: 0 0 32px; }

.features { display: grid; gap: 12px; margin: 32px 0; text-align: left; }
.features div { background: var(--card); border-radius: 14px; padding: 14px 18px; }
.features b { color: var(--text); }

h1 { font-size: 34px; letter-spacing: -0.3px; margin: 0 0 4px; }
h2 { font-size: 21px; margin: 32px 0 6px; }
p.date { color: var(--muted); margin-top: 0; }

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
footer a { color: var(--muted); }