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

body {
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* Header */
.header {
  background: #111;
  padding: 15px 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #fff;
  font-size: 26px;
}

.logo span {
  color: #f4b400;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
}

/* Hero */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
    url("../gallery/construcation_man.jpg") center/cover no-repeat;
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-content {
  color: #fff;
  max-width: 600px;
}

.hero h2 {
  font-size: 42px;
  margin-bottom: 15px;
}

.btn {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 30px;
  background: #f4b400;
  color: #000;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
}

/* Sections */
.section {
  padding: 70px 0;
}

.gray {
  background: #f7f7f7;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 32px;
}

.center-text {
  text-align: center;
  max-width: 700px;
  margin: auto;
}

/* Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  background: #fff;
  padding: 30px;
  text-align: center;
  border-radius: 6px;
}

.card h3 {
  margin-bottom: 10px;
  color: #111;
}

.project {
  background: #ddd;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

/* Contact */
.contact-form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.contact-form button {
  border: none;
  cursor: pointer;
}

/* Footer */
.footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h2 {
    font-size: 30px;
  }
}