* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background: #f4f6f8;
  color: #333;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 60px;
  background: #1d3557;
}

header img {
  height: 55px;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 400;
}

/* SLIDER */
.slider {
  position: relative;
  height: 600px;
  overflow: hidden;
}

.slides img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  display: none;
}

.slides img.active {
  display: block;
}

.slider-text {
  position: absolute;
  bottom: 60px;
  left: 60px;
  color: #fff;
}

.slider-text h1 {
  font-size: 36px;
}

/* SECTIONS */
.section {
  padding: 70px 60px;
  background: #fff;
}

.section.gray {
  background: #eef1f4;
}

.section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 30px;
}

/* PRODUCT */
.product-box {
  max-width: 1200px;
  margin: auto;
  display: flex;
 gap: 60px;
  align-items: center;
}

.product-box img {
  width: 420px;
  border-radius: 14px;
}

.product-info {
  text-align: left;
  padding-top: 30px; 
}

.product-info h3 {
  font-size: 24px;
  margin-bottom: 10px;
  margin-top: 0;
  color: #1d3557;
}

.product-info p {
  font-size: 14.5px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.product-info ul {
  padding-left: 18px;
  margin-bottom: 14px;
}

.product-info ul li {
  font-size: 14px;
  margin-bottom: 8px;
}

.product-keywords {
  font-size: 13px;
  color: #666;
}

/* CONTACT */
form {
  max-width: 500px;
  margin: auto;
}

form input,
form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
}

form button {
  padding: 12px 30px;
  background: #e63946;
  color: #fff;
  border: none;
  cursor: pointer;
}

/* FOOTER */
footer {
  background: #1d3557;
  color: #fff;
  padding: 40px 60px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
}

.footer-logo {
  height: 50px;
}

footer a {
  display: block;
  color: #fff;
  text-decoration: none;
  margin-bottom: 6px;
}

.copy {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  header {
    flex-direction: column;
  }

  .product-box {
    flex-direction: column;
  }

  .product-box img {
    width: 100%;
  }
}
@media (max-width: 768px) {
  .slider {
    height: 400px;
  }

  .slides img {
    height: 400px;
  }

  .slider-text h1 {
    font-size: 26px;
  }
}