body {
  margin: 0;
  font-family: "Roboto", Arial, sans-serif;
  background-color: #0d0d0d;
  color: #f4f4f4;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  background: #111;
  border-bottom: 1px solid #1f1f1f;
}

.logo {
  max-height: 50px;
}

.nav a {
  margin: 0 15px;
  color: #bbb;
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover {
  color: #75cfff;
}

.btn-voka {
  background-color: #0b7a95;
  color: white !important;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
}
.btn-voka:hover {
  background-color: #095f73;
}

/* MAIN CONTENT */
.content {
  display: flex;
  flex: 1;
  padding: 40px 60px;
  gap: 40px;
}

.main-left {
  flex: 3;
}

.main-left h1 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.intro {
  color: #bbb;
  line-height: 1.6;
  margin-bottom: 40px;
}

.section {
  margin-bottom: 60px;
}

.section h2 {
  border-left: 4px solid #0b7a95;
  padding-left: 10px;
  font-size: 1.4rem;
  color: #75cfff;
}

.placeholder {
  color: #555;
  font-style: italic;
  margin-top: 10px;
}

/* SIDEBAR FORM */
.sidebar {
  flex: 1;
  background: #111;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  height: fit-content;
  position: sticky;
  top: 30px;
}

.sidebar h3 {
  color: #75cfff;
}

.sidebar p {
  font-size: 0.9rem;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
}

form input,
form select {
  background: #1a1a1a;
  color: #fff;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 15px;
}

.submit-btn {
  background-color: #0b7a95;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}
.submit-btn:hover {
  background-color: #0a637c;
}

.message {
  margin-top: 10px;
  font-size: 0.85rem;
  color: #75cfff;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid #1f1f1f;
  color: #666;
}

@media (max-width: 900px) {
  .content {
    flex-direction: column;
  }
  .sidebar {
    position: relative;
    top: 0;
  }
}