* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #202124;
  background: #f6f7f9;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

.site-header {
  background: #111;
  color: #fff;
  padding: 28px 20px;
}

.wrap {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.mark {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #fe2c55;
  color: #fff;
  font-weight: 700;
}

img.mark { object-fit: cover; }

.contact-form { display: grid; gap: 16px; margin-top: 24px; }
.contact-form label { display: grid; gap: 7px; font-weight: 700; }
.contact-form input,
.contact-form textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); font: inherit; }
.contact-form button { justify-self: start; padding: 11px 18px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; font-weight: 700; cursor: pointer; }
.notice { margin-top: 18px; padding: 12px; border-radius: 6px; }
.notice.success { background: #e8f8ef; color: #17653a; }
.notice.error { background: #fff0f0; color: #9b2525; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

nav a,
.button {
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  padding: 8px 12px;
}

main {
  padding: 32px 0;
}

.card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 28px;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: 34px;
}

h2 {
  font-size: 22px;
  margin-top: 28px;
}

.muted {
  color: #5f6368;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button {
  background: #111;
  border-color: #111;
}

footer {
  color: #5f6368;
  padding: 24px 0 40px;
}

@media (max-width: 640px) {
  .card {
    padding: 20px;
  }

  h1 {
    font-size: 28px;
  }
}