/* ============ Base ============ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ============ Header ============ */
#header {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

#header img {
  height: 90px;
  width: 150px;
}

#navbar {
  display: flex;
  gap: 2rem;
  align-items: center;
}

#navbar li a {
  font-weight: 500;
  color: #333;
  transition: color 0.3s;
}

#navbar li a:hover,
#navbar li a.active {
  color: #007bff;
}

#close {
  display: none;
}

#mobile {
  display: none;
}

/* ============ Intro Section ============ */
#intro {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(to right, #f0f2f5, #e6ebf1);
}

#intro h1 {
  font-family: 'Roboto', sans-serif;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #003366;
}

#intro p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-inline: auto;
  color: #555;
}

.btn {
  display: inline-block;
  background-color: #007bff;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 5px;
  transition: background-color 0.3s;
  font-weight: 500;
}

.btn:hover {
  background-color: #0056b3;
}

/* ============ About Section ============ */
#about {
  padding: 4rem 2rem;
  text-align: center;
  background-color: #fff;
}

.section-title {
  font-size: 2rem;
  color: #003366;
  margin-bottom: 1.5rem;
}

#about p {
  font-size: 1rem;
  color: #555;
}

/* ============ Contact Page ============ */
#get-in-touch {
  max-width: 800px;
  margin: 3rem auto;
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

#get-in-touch h2 {
  text-align: center;
  color: #003366;
  margin-bottom: 1rem;
}

#contact-info {
  margin-bottom: 2rem;
  text-align: left;
}

#contact-info h3 {
  color: #000;
  font-weight: 700;
}

#contact-info p {
  font-size: 1rem;
  margin: 0.5rem 0;
}

#contact-info li {
  font-size: 1rem;
  margin-left: 1rem;
}

#contact-info i {
  margin-right: 10px;
  color: #007bff;
}

/* ============ Products Section ============ */
#products {
  padding: 3rem 2rem;
  max-width: 1200px;
  margin: auto;
}

.product {
  margin-bottom: 4rem;
  padding: 1.5rem;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.product h3 {
  color: #003366;
  margin-bottom: 0.5rem;
}

.product p {
  font-size: 1rem;
  line-height: 1.6;
}

.product-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.product-gallery img {
  width: calc(20% - 1rem);
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.product-gallery img:hover {
  transform: scale(1.03);
}

/* ============ Footer ============ */
footer {
  background-color: #003366;
  color: #fff;
  padding: 2rem;
  margin-top: 3rem;
}

.columns {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: auto;
  gap: 2rem;
}

.col h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.col a {
  color: #ccc;
  display: block;
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

.col p {
  font-size: 0.95rem;
}

.copyright {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: #ccc;
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
  #navbar {
    position: absolute;
    top: 100px;
    right: 0;
    background: #fff;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: none;
  }

  #navbar li {
    margin: 0.5rem 0;
  }

  #navbar.active {
    display: flex;
  }

  #close {
    display: block;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 1.5rem;
    color: #333;
  }

  #mobile {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    color: #003366;
  }

  #header {
    flex-direction: row;
    justify-content: space-between;
  }

  #intro h1 {
    font-size: 2rem;
  }

  #intro p {
    font-size: 1rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
  }

  .product-gallery img {
    width: calc(50% - 0.5rem);
  }

  .columns {
    flex-direction: column;
    text-align: center;
  }

  .col {
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  #intro h1 {
    font-size: 1.5rem;
  }

  #intro p {
    font-size: 0.95rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  #header img {
    width: 120px;
    height: auto;
  }

  .product-gallery img {
    width: 100%;
  }
}