* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto Mono', monospace;
}

html, body {
    height: 100%;
    background: #00172d;
    color: #fff;
}

/* ===== CANVAS TŁO ===== */
#pcbCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: #00172d;
}

/* ===== TREŚĆ NAD TŁEM ===== */
.content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Menu */
nav {
    background: rgba(0, 35, 70, 0.95);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav .logo {
    font-size: 22px;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

nav ul li a:hover {
    color: #3fa9f5;
}

.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

@media(max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        gap: 10px;
        background: rgba(0, 35, 70, 0.95);
        position: absolute;
        top: 60px;
        right: 0;
        width: 200px;
        padding: 15px;
        border-radius: 8px;
    }
    .menu-toggle { display: block; }
}

/* Hero */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 100px 20px 140px;
    text-align: center;
    min-height: calc(100vh - 60px);
}

.hero img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid #3fa9f5;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 36px;
}

.hero h2 {
    font-size: 20px;
    color: #9cc9ff;
    margin-bottom: 20px;
}

.hero p {
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #e0e0e0;
}

/* Skills */
.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
   
}

.skill {
    background: #3fa9f5;
    color: #fff;
    padding: 7px 16px;
    border-radius: 20px;
    font-size: 14px;
    transition: all .3s;
    
}

.skill:hover{
    transform: scale(1.1);
}

/* Kontakt */
.contact a {
    display: inline-block;
    margin: 6px 12px;
    padding: 10px 22px;
    border: 2px solid #3fa9f5;
    border-radius: 25px;
    text-decoration: none;
    color: #3fa9f5;
    font-weight: bold;
    transition: all .3s;
}

.contact a:hover {
    background: #3fa9f5;
    color: #00172d;
}

/* Stopka */
footer {
    background: rgba(0, 35, 70, 0.95);
    text-align: center;
    padding: 20px;
    position: absolute;
    bottom: 0;
    width: 100%;

}