html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    margin-bottom: 60px;
    color: #333;
    scroll-behavior: smooth;
}

header {
    background: #1e2a38;
    color: #fff;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

    header h1 {
        margin: 0;
        font-size: 1.6em;
    }

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s, border-bottom 0.3s;
}

    nav a.active {
        color: #00a2ed;
        border-bottom: 2px solid #00a2ed;
    }


footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #1e2a38;
    color: #aaa;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    z-index: 1000;
}

footer {
    background: #1e2a38;
    color: #aaa;
    text-align: center;
    padding: 20px;
    font-size: 14px;
}

    footer a {
        color: #ddd;
        margin: 0 10px;
        text-decoration: none;
    }

        footer a:hover {
            text-decoration: underline;
        }

.footer {
    background: #222;
    color: #aaa;
    font-size: 14px;
}

    .footer a {
        color: #ddd;
        text-decoration: none;
        margin: 0 5px;
    }

        .footer a:hover {
            text-decoration: underline;
        }

.footer-content {
    text-align: center;
}

.footer-contact {
    font-style: normal;
}


.hero {
    background: url('https://source.unsplash.com/1600x600/?technology,cloud') no-repeat center center/cover;
    padding: 160px 40px 120px; /* fixed spacing */
    text-align: center;
}

    .hero h2 {
        font-size: 2.5em;
        margin-bottom: 20px;
    }

.section {
    padding: 80px 40px;
    min-height: 80vh; /* ensures each section fills viewport */
}

    .section h2 {
        font-size: 2em;
        margin-bottom: 40px;
        text-align: center;
    }

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: #f9f9f9;
    border-radius: 6px;
    padding: 30px;
    text-align: center;
    transition: background 0.3s;
}

    .card:hover {
        background: #eaf4ff;
    }