body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333333;
    line-height: 1.6;
}

header {
    background: #002D62;
    color: #fff;
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
    display: flex;
    justify-content: center;
    gap: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #28A745;
}


/* Sekcje treści */
.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Sekcje nagłówkowe (O Nas, Usługi, Projekty) */
.container section {
    padding: 20px 0 0 20px;
    border-bottom: 1px solid #eee;
}

.container section:last-of-type {
    border-bottom: none;
}

.container h1 {
    color: #002D62;
    margin-bottom: 30px;
    margin-bottom: 15px;
    font-size: 2.0em;
    font-weight: 800;
    text-align: left;
}

h2 {
    color: #002D62;
    margin-bottom: 30px;
    margin-bottom: 15px;
    font-size: 1.8em;
    font-weight: 700;
    text-align: left;
}

h3 {
    color: #002D62;
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.4em;
    font-weight: 600;
}

p, li {
    color: #555;
    font-size: 1em;
}

/* Listy usług */
ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

ul li::before {
    content: "•";
    color: #007BFF;
    position: absolute;
    left: 0;
    top: 0;
    font-weight: bold;
}

/* Linki i CTA */
a {
    color: #007BFF;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

a:hover {
    color: #28A745;
}

/* Przyciski (jeśli używasz klas .btn) */
.btn {
    display: inline-block;
    background: #007BFF;
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #28A745;
    color: #fff !important;
}

/* Stopka */
footer {
    background: #002D62;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 0;
    font-size: 0.9em;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

footer a {
    color: #fff;
    text-decoration: underline;
    font-weight: 600;
}

footer a:hover {
    color: #28A745;
}

footer p {
    color: #fff;
    font-weight: 600;
}