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

:root {
  --orange: #e8700a;
  --orange-dark: #c45e08;
  --text: #1a1a1a;
  --muted: #555;
  --bg: #fffdf9;
  --border: #e5e0d8;
  --max-width: 680px;
}

body {
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1.1rem;
}

/* Nav */
header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav > a.home {
  color: black;
  text-decoration: none;
}

.logo {
  font-weight: bold;
  font-size: 2rem;
  letter-spacing: -0.01em;
}

/* Buttons */
.btn-primary {
  background: var(--orange);
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--orange-dark);
}

.btn-large {
  padding: 0.75rem 2rem;
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

.btn-store {
  display: inline-block;
  text-decoration: none;
  border: 2px solid var(--orange);
  color: var(--orange);
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  font-size: 1rem;
}

.btn-store:hover {
  background: var(--orange);
  color: #fff;
}

/* Sections */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-child {
  border-bottom: none;
}

h1 {
  font-size: 2.2rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

p {
  padding-bottom: 1em;
}

/* Hero */
.hero {
  text-align: center;
  padding: 5rem 0;
}

.subtitle {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.problem p {
  color: var(--muted);
}

.primary-list ol {
  list-style: none;
  counter-reset: steps;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.primary-list li {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0 1rem;
  align-items: start;
}

.primary-list li::before {
  content: counter(steps);
  background: var(--orange);
  color: #fff;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-family: sans-serif;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.primary-list strong {
  display: block;
  margin-bottom: 0.15rem;
}

.primary-list span {
  color: var(--muted);
}

.install {
  text-align: center;
}

.install-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  h1 { font-size: 1.7rem; }
  nav { flex-direction: column; gap: 0.75rem; }
}