/* ===== Yleiset asetukset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f1f5f9;
  color: #111827;
}

/* ===== Header ja navigaatio ===== */
header {
  background-color: #0f172a;
  color: white;
  padding: 1rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #22c55e;
}

/* ===== Sivun sisältö ===== */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 1rem;
}

.hero, .card {
  background: white;
  padding: 1.5rem;
  margin-top: 1rem;
  border-radius: 10px;
}

/* ===== Kuvat ===== */
img {
  width: 100%;
  height: auto;
  border-radius: 10px;
}

/* ===== Lomake ===== */
input, textarea {
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.3rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background-color: #22c55e;
  color: white;
  border: none;
  padding: 0.7rem 1rem;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #16a34a;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  background-color: #0f172a;
  color: white;
}

/* ===== Responsiivisuus ===== */
@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
  }
}