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

body {
  font-family: 'Courier New', Courier, monospace;
  font-size: 15px;
  line-height: 1.7;
  color: #333333;
  background-color: #ffffff;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

/* ── Navigation ── */
nav {
  border-bottom: 1px solid #333333;
  padding: 12px 24px;
}

nav .nav-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

nav .nav-brand {
  font-weight: bold;
  font-size: 1rem;
  text-decoration: none;
  color: #333333;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-left: 0;
}

nav ul li a {
  font-size: 0.85rem;
  text-decoration: none;
  color: #333333;
  letter-spacing: 0.05em;
}

nav ul li a:hover,
nav ul li a.active {
  text-decoration: underline;
}

/* ── Page header ── */
header {
  margin: 48px 0 48px;
}

h1 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 4px;
}

.tagline {
  font-size: 0.9rem;
  text-align: center;
}

.last-updated {
  font-size: 0.8rem;
  color: #666666;
  margin-bottom: 40px;
}

/* ── Sections ── */
section {
  margin-bottom: 40px;
  padding-top: 24px;
  border-top: 1px solid #cccccc;
}

h2 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

p {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

p:last-child {
  margin-bottom: 0;
}

section ul {
  font-size: 0.9rem;
  padding-left: 20px;
  margin-bottom: 10px;
}

section ul li {
  margin-bottom: 4px;
}

.product-name {
  margin-bottom: 2px;
}

.product-desc {
  font-size: 0.85rem;
  margin-bottom: 6px;
}

a {
  color: #333333;
}

/* ── Contact form ── */
form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

label {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

input[type="text"],
input[type="email"],
textarea {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  color: #333333;
  background-color: #ffffff;
  border: 1px solid #cccccc;
  padding: 8px 10px;
  width: 100%;
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: #333333;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

button[type="submit"] {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffffff;
  background-color: #333333;
  border: 1px solid #333333;
  padding: 10px 20px;
  cursor: pointer;
  align-self: flex-start;
}

button[type="submit"]:hover {
  background-color: #555555;
  border-color: #555555;
}

/* ── Footer ── */
footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid #333333;
  font-size: 0.8rem;
}

.footer-legal {
  margin-bottom: 6px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.8rem;
}

@media (max-width: 480px) {
  nav ul {
    gap: 12px;
  }
}