/* style.css - moderní černobílý vzhled responsivní */

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

html {
    scroll-behavior: smooth;
}




body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fff;
    color: #111;
    line-height: 1.6;
}

/* Header */
header {
    display: flex;
    align-items: center;
    justify-content: space-between; /* menu hned vedle loga */
    padding: 15px;
    background:
        linear-gradient(135deg, #ffffff, #f0f0f0),
        repeating-linear-gradient(
            45deg,
            rgba(0,0,0,0.02) 0,
            rgba(0,0,0,0.02) 1px,
            transparent 1px,
            transparent 6px
        );
    border-bottom: 1px solid rgba(0,0,0,0.1);
    flex-wrap: nowrap; /* aby se logo a menu mohly zalamovat */
}

/* Logo */
header .logo img {
    padding: 10px;
    height: 125px;
    width: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
    cursor: pointer;
}

/* Hover efekt */
header .logo img:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Menu container */
nav#nav-menu {
    display: flex;
    flex-wrap: wrap; /* umožní zalamování, pokud se nevejde */
    gap: 10px;       /* mezery mezi položkami */
    justify-content: flex-end;
}

/* Menu položky */
#nav-menu a {
    position: relative;
    padding: 10px 16px;
    font-size: clamp(1rem, 2vw, 1.4rem); /* dynamická velikost písma */
    font-weight: 600;
    letter-spacing: 0.5px;
    text-decoration: none;
    color: #111;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.25s ease;
}

/* Hover efekt */
#nav-menu a:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

/* Aktivní linka / hover */
#nav-menu a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}



/* Main obsah */
main {
    justify-content: center;
    align-items: center;
    
    min-height: 60vh;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.1rem;
    color: #333;
    max-width: 700px;
    margin: 0 auto;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    border-top: 2px solid #111;
    background-color: #fff;
    font-size: 0.9rem;
    color: #111;
}



/* Mobilní menu */
@media (max-width: 768px) {
    /* hamburger tlačítko viditelné */
    .menu-toggle {
        display: block;
        font-size: 2.5rem;
        cursor: pointer;
        margin-left: auto; /* zarovnání doprava */
    }

    /* menu skryté a vertikální */
    nav#nav-menu {
        display: none; /* skryté do té doby, než se klikne */
        flex-direction: column;
        width: 100%;
        text-align: center;
        margin-top: 10px;
        gap: 10px;
    }

    /* menu po kliknutí */
    nav#nav-menu.open {
        display: flex;
    }

    #nav-menu a {
        font-size: 1.6rem; 
        margin: 8px 0;
        flex: none; /* nepřizpůsobovat šířce */
    }
}

/* Desktop */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
    .menu-toggle.hidden {
    display: none;
}

    nav#nav-menu {
        display: flex;
        flex-direction: row;
        gap: 10px;
    }

    #nav-menu a {
        margin: 0;
        font-size: clamp(1rem, 2vw, 1.4rem);
    }

    .mobile-call {
        display: none;
    }
}
.footer-btn {
    margin-left: 15px;
    padding: 8px 14px;
    float: right;
    background-color: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 14px;
}

.footer-btn:hover {
    background-color: #555;
}


/* Formulář */
form {
    background: #fff;
    padding: 25px 30px;
    border: 1px solid #000;
    width: 320px;
}

/* Popisky + inputy */
form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 8px;
    margin: 6px 0 14px 0;
    border: 1px solid #000;
    background: #fff;
    color: #000;
}

/* Tlačítko */
form input[type="submit"] {
    width: 100%;
    padding: 10px;
    background: #000;
    color: #fff;
    border: 1px solid #000;
    cursor: pointer;
    font-weight: bold;
}

form input[type="submit"]:hover {
    background: #fff;
    color: #000;
}


/*Jednotlivé položky*/
/* Grid a karty */
.container {
    max-width: 2000px;
    margin: 0 auto;
    padding: 0px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}


.card {
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
    max-width: 300px; /* <-- maximální šířka karty */
    width: 100%;      /* karta se přizpůsobí kontejneru, ale nepřekročí max-width */
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.card-images {
    display: flex;
    gap: 5px;
    padding: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.card-images img {
    max-width: 100px;
    max-height: 100px;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 5px;
    cursor: pointer; /* <-- kurzor ruka pro klik */
    transition: transform 0.2s;
}

.card-images img:hover {
    transform: scale(1.05);
}

.card-info {
    padding: 10px 15px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80%;
    border-radius: 10px;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.modal-close:hover {
    color: #bbb;
}

.modal-prev, .modal-next {
    position: absolute;
    top: 50%;
    color: white;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    padding: 10px;
    border-radius: 50%;
    background: rgba(0,0,0,0.3);
    transform: translateY(-50%);
}

.modal-prev:hover, .modal-next:hover {
    background: rgba(0,0,0,0.6);
}

.modal-prev { left: 20px; }
.modal-next { right: 20px; }

/* Hero / úvod */
#home {
    background-color: #e6e6e6;
    
    text-align: center;
    padding: 80px 20px;
}

/* Antény a satelity */
#anteny {
    background-color: #f7f7f7;
    padding: 40px 20px;

}

/* Skylink */
#skylink {
    background-color: #e6e6e6;
    padding: 40px 20px;
}

/* Opravy */
#opravy {
    background-color: #f7f7f7;
    padding: 40px 20px;
}

/* Ceník */
#cenik {
    background-color: #e6e6e6;
    padding: 40px 20px;
}

/* Kontakt */
#kontakt {
    background-color: #f7f7f7;
    padding: 40px 20px;
}


/* FLOATING CALL BUTTON – pouze mobil */
.mobile-call {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

.mobile-call img {
    width: 70px;
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}