:root {
  --bg: #f5f7fc;
  --surface: #ffffff;
  --text: #12162b;
  --muted: #5e6688;
  --primary: #4f46e5;
  --border: #e5e9f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(1040px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

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

.page {
  padding: 34px 0 56px;
}

.app-head {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 18px;
}

.app-head img {
  width: 96px;
  height: 96px;
  border-radius: 20px;
}

h1 {
  margin: 0 0 8px;
}

p {
  margin: 0;
  color: var(--muted);
}

.btn {
  display: inline-block;
  margin-top: 16px;
  text-decoration: none;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: 11px 16px;
}

.content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 18px;
}

h2 {
  margin-top: 0;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.shots img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
}

@media (max-width: 860px) {
  .app-head {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .app-head img {
    margin: 0 auto;
  }

  .shots {
    grid-template-columns: 1fr;
  }
}