/* ---------- Base ---------- */
:root {
  --color-bg: #ffffff;
  --color-text: #222222;
  --color-accent: #2b6cb0;
  --color-accent-dark: #2768a1;
  --color-muted: #666666;
  --max-width: 900px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- Header / Nav ---------- */
header {
  border-bottom: 1px solid #e5e5e5;
  padding: 1rem 1.5rem;
}

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.site-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--color-text);
  font-weight: 500;
}

nav a.active {
  color: var(--color-accent);
}

/* ---------- Main content ---------- */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 {
  font-size: 2rem;
  margin-top: 0;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
}

.hero {
  padding: 2rem 0;
}

.hero p {
  color: var(--color-muted);
  font-size: 1.1rem;
}

.button {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 1rem;
}

.button:hover {
  background: var(--color-accent-dark);
  text-decoration: none;
}

/* ---------- Contact form ---------- */
form {
  max-width: 500px;
  margin-top: 1.5rem;
}

label {
  display: block;
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.3rem;
}

input,
textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

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

form .button {
  border: none;
  cursor: pointer;
  font-size: 1rem;
  margin-top: 1.5rem;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid #e5e5e5;
  padding: 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    gap: 1rem;
    padding: 0;
  }
}