*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #ffffff;
  --color-border: #e5e7eb;
  --font: 'Segoe UI', system-ui, sans-serif;
  --max-width: 1100px;
}

html { font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: #111827;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */
.header {
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  background: #ffffff;
}

.header__logo {
  height: 40px;
  width: auto;
  display: block;
}