/* ========== RESET ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  display: flex;
  background-color: #111;
  color: #f5f5f5;
  overflow-x: hidden;
}

/* ========== SIDEBAR ========== */
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #000, #1a1a1a);
  color: #ffd700;
  padding: 30px 20px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  border-right: 2px solid #ffd700;
  text-align: center;
}

.sidebar .logo {
  width: 100%;
  max-width: 180px;
  margin-bottom: 15px;
}

.sidebar h1 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 5px;
  color: #ffd700;
}

.sidebar .slogan {
  font-size: 14px;
  margin-bottom: 25px;
  color: #fff;
}

.sidebar nav ul {
  list-style: none;
}

.sidebar nav ul li {
  margin: 12px 0;
}

.sidebar nav ul li a {
  color: #ffd700;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.sidebar nav ul li a:hover {
  color: #fff;
}

/* ========== CONTENT ========== */
.content {
  margin-left: 300px;
  padding: 40px 60px;
  max-width: 1100px;
}

h2 {
  color: #ffd700;
  border-left: 5px solid #ffd700;
  padding-left: 10px;
  margin-bottom: 15px;
}

p {
  line-height: 1.7;
  margin-bottom: 10px;
}

.info {
  background-color: #222;
  padding: 15px;
  border-radius: 10px;
  margin-top: 15px;
}

/* ========== GALLERY ========== */
.car-section {
  margin-top: 40px;
  margin-bottom: 40px;
}

.car-section h3 {
  color: #ffd700;
  margin-bottom: 15px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
}

.gallery img {
  width: 100%;
  border-radius: 10px;
  border: 2px solid #ffd700;
  transition: transform 0.3s;
}

.gallery img:hover {
  transform: scale(1.05);
}

/* ========== REVIEWS ========== */
.reviews {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.review {
  background-color: #1b1b1b;
  padding: 20px;
  border: 1px solid #ffd700;
  border-radius: 12px;
  font-style: italic;
}

.review span {
  display: block;
  text-align: right;
  margin-top: 10px;
  color: #aaa;
}

/* ========== MAP + FOOTER ========== */
footer {
  text-align: center;
  padding: 25px;
  font-size: 14px;
  color: #999;
  border-top: 1px solid #333;
  margin-top: 40px;
}

/* ========== ZALO BUTTON ========== */
.zalo-button {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  z-index: 999;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#ffd700;
  border-radius:50%;
}

.zalo-button img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
  transition: transform 0.3s;
}

.zalo-button img:hover {
  transform: scale(1.05);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
  .sidebar {
    position: relative;
    width: 100%;
    border-right: none;
    border-bottom: 2px solid #ffd700;
  }

  .content {
    margin-left: 0;
    padding: 20px;
  }
  .gallery img {
    width: 100%;
  }
  .reviews {
    grid-template-columns: 1fr;
  }
}