html {
  scroll-behavior: smooth;
}

/*---------------------------------------------------------------------------------------*/
/*                              Navigation Bar                                           */

header {
  background-color: #2d3e50;  /* Dark gray-blue */
  text-align: center;
  padding: 20px;
}

nav {
  display: flex;
  align-items: center;          /* vertically center items */
  justify-content: space-between; /* logo left, links right */
  padding: 1rem 5%;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center; /* everything centered by default */
  gap: 5rem;               /* space between logo and links */
}


nav .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
  margin-right: 2rem;             /* responsive spacing relative to font */
}

nav a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
}

nav a:hover {
  color: #ffcc00;
}

.nav-links ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}




/*---------------------------------------------------------------------------------------*/
/*                              Main Body                                                */

/* Base styles for the body */
body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

/* Main title styling */
h1 {
  font-size: 2.5em;
  margin: 20px 0;
  color: #333;
}

/* Section styling */
section {
  margin: 20px auto;
  padding: 2rem;
  max-width: 1200px;         /* keep content centered */
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
  section {
    padding: 1rem;
    margin: 10px;
  }
}



h2 {
  color: #2d3e50; /* Dark gray-blue */
  font-size: 1.8em;
  margin-bottom: 10px;
}



/*---------------------------------------------------------------------------------------*/
/*                              About Section                                            */

/* About section styles */
#about p {
  font-size: 1.1em;
  line-height: 1.6;
}



/*---------------------------------------------------------------------------------------*/
/*                              Services Section                                         */

/* Services section styles */
#software p, #hardware p, #research p {
  font-weight: bold;
  margin: 8px 0;
}

.service-cards {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  background-color: #eef2f7;
  padding: 1.5rem;
  border-radius: 8px;
  flex: 1 1 250px;  /* slightly larger minimum width */
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.card:hover {
  background-color: #d9e6f2;
  transform: translateY(-3px);
  transition: all 0.3s;
}


.card p {
  font-weight: normal;      /* paragraph readable */
  margin-top: 0.5rem;
  line-height: 1.5;
}







/* Contact section styles */
#contact a {
  color: #0073e6;
  text-decoration: none;
  font-weight: bold;
}

#contact a:hover {
  text-decoration: underline;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 2em;
    }

    section {
        margin: 10px;
        padding: 15px;
    }

    nav {
        justify-content: center;
        text-align: center;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
        margin-top: 0.5rem;       /* spacing below logo */
    }

    nav li {
        margin: 10px 0;
    }
}