/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BODY */
body {
    font-family: Arial, sans-serif;
    background: #fff; /* biele pozadie */
    color: #111;
    line-height: 1.6;
}

/* CONTAINER */
.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
}

/* HEADER */
.header {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

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

/* LOGO */
.logo {
    font-weight: 800;
    font-size: 20px;
    color: #000;           /* čierna */
    text-decoration: none; /* bez podčiarknutia */
}

/* MENU */
.nav a {
    margin-left: 15px;
    text-decoration: none;
    color: #000;           /* čierne menu */
    font-size: 14px;       /* menšie písmo */
    transition: 0.2s ease;
}

/* HOVER MENU */
.nav a:hover {
    color: #777;           /* sivá pri hover */
}

/* HERO */
.hero {
    padding: 50px 0;
    text-align: center;
    background: #f9f9f9;
}

.hero h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

/* ARTICLES SECTION */
.articles {
    padding: 30px 0;
}

/* CARD */
.card {
    background: #fff;
    padding: 22px;
    margin-bottom: 22px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card h2 {
    font-size: 20px;
}

.card p {
    color: #444;
    margin: 0;
}

/* BUTTON (ČÍTAŤ ČLÁNOK) */
.card a {
    display: inline-block;
    background: #000;        /* čierny button */
    color: #fff;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    width: fit-content;
    transition: 0.2s ease;
}

/* HOVER BUTTON */
.card a:hover {
    background: #777;        /* sivá pri hover */
}

/* ARTICLE DETAIL PAGE */
.article {
    background: #fff;
    padding: 40px 0;
    margin-top: 20px;
    border-radius: 12px;
}

.article .container {
    padding: 0 20px;
}

.article h1 {
    margin-bottom: 10px;
}

.excerpt {
    color: #555;
    margin-bottom: 20px;
}

/* TABUĽKA POROVNANIA */
table.comparison {
    width: 100%;
    border-collapse: separate; /* medzery medzi riadkami */
    border-spacing: 0 12px;
    margin-bottom: 20px;
    table-layout: auto;
}

table.comparison th,
table.comparison td {
    padding: 12px 18px;
    text-align: left;
    vertical-align: top;
    border: 1px solid #ddd;
    border-radius: 6px;
}

table.comparison th {
    background-color: #f7f7f7;
    font-weight: 600;
}

table.comparison td {
    background-color: #fff;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 30px;
    color: #777;
}

/* RESPONSIVE */
@media(max-width:768px) {

    .header .container {
        flex-direction: column;
        gap: 10px;
    }

    .hero h1 {
        font-size: 22px;
    }

    .card {
        padding: 18px;
    }

    .nav a {
        font-size: 13px;
        margin-left: 10px;
    }

    table.comparison th,
    table.comparison td {
        padding: 10px 12px;
    }
}