/**
 * Androme Informatique — Responsive (mobile-first breakpoints)
 */

/* ==============================
   SMALL SCREENS (mobile — default)
   Mobile nav overlay
   ============================== */
.main-nav {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: var(--color-white);
    padding: 1.25rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
    z-index: 999;
}

.main-nav.is-open {
    transform: translateX(0);
    box-shadow: -4px 0 24px rgba(0,0,0,.12);
}

/* Stack nav links vertically */
.main-nav .nav-list {
    flex-direction: column;
    gap: 0;
}

.main-nav .nav-list > li > a {
    padding: .875rem 1rem;
    font-size: .9375rem;
    border-bottom: 1px solid var(--color-gray-100);
    border-radius: 0;
}

/* Submenu on mobile: hidden, toggle via JS */
.main-nav .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    display: none;
    background: var(--color-gray-100);
    border-radius: 0;
}

.main-nav .has-submenu.is-open .submenu {
    display: block;
}

.main-nav .submenu a {
    padding: .75rem 1rem .75rem 1.75rem;
    font-size: .875rem;
}

/* Quick-services single col on small mobile */
@media (max-width: 400px) {
    .quick-services {
        grid-template-columns: 1fr;
    }
}

/* Mobile product footer stacked */
.product-footer {
    flex-direction: column;
    align-items: stretch;
}
.product-footer .btn-sm {
    width: 100%;
    text-align: center;
}

/* Mobile contact actions stacked */
.contact-actions {
    flex-direction: column;
    align-items: stretch;
}

/* Mobile footer centered */
.footer-col { text-align: center; }
.footer-col h3::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Buttons full-width on mobile */
.section .btn {
    width: 100%;
    justify-content: center;
}
.hero .btn,
.catalog-filters .btn,
.product-footer .btn,
.contact-actions .btn {
    /* allow overrides */
}

/* ==============================
   TABLETS — ≥ 576px
   ============================== */
@media (min-width: 576px) {
    .container { padding: 0 1.5rem; }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-footer {
        flex-direction: row;
        align-items: flex-end;
    }
    .product-footer .btn-sm {
        width: auto;
    }

    /* Buttons auto-width again */
    .section .btn {
        width: auto;
    }

    .contact-actions {
        flex-direction: row;
        align-items: center;
    }
}

/* ==============================
   MEDIUM — ≥ 768px
   ============================== */
@media (min-width: 768px) {
    .container { padding: 0 2rem; }

    .section    { padding: 2.5rem 0; }
    .hero       { padding: 2rem 0 1.75rem; }
    .page-header { padding: 2rem 0; }

    .two-cols {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }

    .footer-col { text-align: left; }
    .footer-col h3::after {
        left: 0;
        transform: none;
    }

    .quick-services {
        grid-template-columns: repeat(3, 1fr);
        max-width: 700px;
    }
}

/* ==============================
   DESKTOP — ≥ 1024px
   ============================== */
@media (min-width: 1024px) {
    /* Show desktop nav, hide hamburger */
    .menu-toggle { display: none; }

    .main-nav {
        display: flex !important;
        position: static;
        transform: none;
        padding: 0;
        overflow: visible;
        background: transparent;
        box-shadow: none;
    }

    .main-nav .nav-list {
        flex-direction: row;
        gap: 2px;
    }

    .main-nav .nav-list > li > a {
        padding: .5rem .75rem;
        font-size: .875rem;
        border-bottom: none;
        border-radius: var(--radius-sm);
    }

    /* Submenu: back to dropdown */
    .main-nav .submenu {
        position: absolute;
        display: block;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--color-border);
        background: var(--color-white);
        border-radius: var(--radius);
        padding: .375rem 0;
    }

    .main-nav .has-submenu:hover .submenu,
    .main-nav .has-submenu:focus-within .submenu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-nav .has-submenu.is-open .submenu {
        /* reset mobile toggle on desktop */
        display: block;
    }

    /* Layout upgrades */
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .catalog-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .hero { padding: 2.5rem 0 2rem; }
    .section { padding: 3rem 0; }
}

/* ==============================
   LARGE — ≥ 1280px
   ============================== */
@media (min-width: 1280px) {
    .catalog-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .quick-services {
        grid-template-columns: repeat(5, 1fr);
        max-width: 860px;
    }
}

/* ==============================
   PRINT
   ============================== */
@media print {
    .site-header, .menu-toggle, .site-footer, .btn, .hero, .quick-services {
        display: none !important;
    }
    .site-main { margin-top: 0; }
    body { font-size: 12pt; color: #000; background: #fff; }
    a { color: #000; text-decoration: underline; }
    .card { box-shadow: none; border: 1px solid #ccc; }
}