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

body {
  background: #f4f6f8;
  color: #222;
}

/* HEADER */
header {
  background: linear-gradient(90deg, #0b1c2d, #102a44);
  color: #fff;
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 55px;
}

.brand-text h1 {
  font-size: 26px;
  color: #ffc107;
}

.brand-text span {
  font-size: 14px;
  color: #ddd;
}

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

nav a:hover {
  color: #ffc107;
}

/* HERO */
.hero {
  background: linear-gradient(
      rgba(10, 20, 40, 0.75),
      rgba(10, 20, 40, 0.75)
    ),
    url("assets/images/construction.jpg") center/cover no-repeat;
  height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
  margin-bottom: 20px;
}

.hero button {
  background: #ffc107;
  border: none;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 5px;
}

.hero button:hover {
  background: #e0a800;
}

/* SECTIONS */
section {
  padding: 60px 40px;
  max-width: 1200px;
  margin: auto;
}

section h3 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 32px;
  color: #102a44;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  text-align: center;
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card span {
  display: block;
  padding: 15px;
  font-weight: bold;
}

/* CONTACT */
#contact {
  background: #102a44;
  color: #fff;
  border-radius: 10px;
}

/* FOOTER */
footer {
  background: #0b1c2d;
  color: #aaa;
  text-align: center;
  padding: 15px;
}