/* =====================================================
   TU-MI.COM - RESPONSIVE2.CSS
   Header responsive aggiornato
   Menu a 7 pulsanti senza hamburger
   Colori originali: giallo #FFD41E e nero
   ===================================================== */

/* Evita dimensioni impreviste */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* =====================================================
   MENU TU-MI
   Il CSS principale è definito nel blocco <head>
   ===================================================== */

.tumi-navbar {
    width: 100%;
    max-width: 100%;
}

/* Desktop: 7 pulsanti */
.tumi-navbar .tumi-menu {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
}

.tumi-navbar .tumi-menu li {
    display: flex;
    min-width: 0;
}

/* Tablet: 4 colonne */
@media screen and (max-width: 900px) {
    .tumi-navbar .tumi-menu {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Smartphone: 2 colonne */
@media screen and (max-width: 600px) {
    .tumi-navbar .tumi-menu {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .tumi-navbar .tumi-menu li {
        display: flex;
        width: 100%;
        text-align: center;
    }

    .tumi-navbar .tumi-menu li a {
        display: flex;
        width: 100%;
        min-height: 76px;
        align-items: center;
        justify-content: center;
    }
}

/* Smartphone molto piccoli */
@media screen and (max-width: 350px) {
    .tumi-navbar .tumi-menu {
        gap: 5px;
    }

    .tumi-navbar .tumi-menu li a {
        padding: 8px 4px;
        font-size: 17px;
    }
}

/* =====================================================
   SCHEDE LIBRI
   ===================================================== */

@media screen and (max-width: 1200px) {
    .book {
        width: calc(25% - 20px);
    }
}

@media screen and (max-width: 900px) {
    .book {
        width: calc(33.333% - 20px);
    }
}

@media screen and (max-width: 600px) {
    .book {
        width: calc(50% - 20px);
    }
}

@media screen and (max-width: 400px) {
    .book {
        width: 100%;
    }
}

/* =====================================================
   ACCESSIBILITÀ
   ===================================================== */

.tumi-navbar a:focus-visible {
    outline: 2px solid #000;
    outline-offset: -3px;
}


/* LOGO TU-MI: riempie tutto lo spazio disponibile */
.tumi-menu .tumi-logo {
    padding: 0 !important;
    margin: 0;
    min-width: 0;
    height: 100%;
    overflow: hidden;
}

.tumi-menu .tumi-logo a {
    display: flex;
    width: 100%;
    height: 100%;
    padding: 0 !important;
    margin: 0;
    align-items: stretch;
    justify-content: stretch;
}

.tumi-menu .tumi-logo img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: fill;
    margin: 0;
    padding: 0;
}