/* ============================================================
   SIBIBIT - RESPONSIVE CSS TERPUSAT
   Berlaku untuk semua halaman publik: index, beli_bibit,
   keranjang, about, info_stok_upbs, permohonan_bantuan, dll.
   ============================================================ */

:root { 
    --biru-navy: #1a2a6c; 
    --hijau-daun: #27ae60; 
    --abu-bg: #f4f7f6; 
    --warna-oren: #ff8c00; 
}

/* ---- GLOBAL HEADER & NAV ---- */
header { background: white; border-bottom: 4px solid var(--hijau-daun); padding: 20px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.header-container { width: 85%; margin: auto; display: flex; align-items: center; gap: 20px; }
.logo-text h1 { margin: 0; color: var(--biru-navy); font-size: 26px; letter-spacing: 1px; font-weight: 900; }
.logo-text p { margin: 0; color: #7f8c8d; font-size: 13px; font-weight: bold; text-transform: uppercase; }

nav { background: var(--biru-navy); padding: 15px 0; position: sticky; top: 0; z-index: 1000; }
.nav-container { width: 85%; margin: auto; display: flex; justify-content: center; align-items: center; position: relative; } 
.nav-tengah { display: flex; gap: 25px; align-items: center; }
.nav-kanan { position: absolute; right: 0; display: flex; align-items: center; }
.nav-links a { color: white; text-decoration: none; font-size: 13px; font-weight: bold; letter-spacing: 1px; transition: 0.3s; position: relative; }
.nav-links.nav-tengah a:nth-of-type(even) { color: #f1c40f; } /* Warna Kuning untuk link genap */
.nav-links.nav-tengah a:nth-of-type(odd) { color: white; } /* Warna Putih untuk link ganjil */
.nav-links a:hover { color: var(--warna-oren) !important; }
.nav-links a.aktif { color: var(--warna-oren) !important; border-bottom: 2px solid var(--warna-oren); padding-bottom: 5px; } 
.cart-icon { color: var(--warna-oren) !important; margin-left: 10px; display: flex; align-items: center; gap: 8px; position: relative; } 
.cart-icon i { font-size: 20px; }
.cart-badge { position: absolute; top: -8px; right: -12px; background-color: #e74c3c; color: white; font-size: 10px; font-weight: bold; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--biru-navy); display: flex; align-items: center; justify-content: center; line-height: 1; box-sizing: content-box; padding: 0; }
.btn-login-kecil { font-size: 11px !important; opacity: 0.6; font-weight: normal; letter-spacing: 0.5px; }
.btn-login-kecil:hover { opacity: 1; color: var(--warna-oren) !important; }
.mobile-page-title { display: none; }


/* ---- DESKTOP (DEFAULT) FIXES ---- */
@media (min-width: 769px) {
    .nav-drawer-title { display: none !important; }
    .nav-container { justify-content: center !important; }
    .nav-kanan { position: absolute !important; right: 0; top: 50%; transform: translateY(-50%); margin: 0; }
    .nav-tengah { order: 2; }
}

/* ---- TOMBOL TITIK TIGA (⋮) ---- */
.hamburger-btn {
    display: none;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    cursor: pointer;
    padding: 5px 10px 4px;
    z-index: 1100;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 16px;
    line-height: 1;
    transition: background 0.3s, transform 0.3s;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
}
.hamburger-btn::after {
    content: "MENU";
    display: block;
    font-size: 7px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.8);
    margin-top: 1px;
}
.hamburger-btn:hover {
    background: rgba(255,255,255,0.25);
}
.hamburger-btn:hover::after {
    color: white;
}
.hamburger-btn.aktif {
    background: #ff8c00;
    border-color: #ff8c00;
    transform: translateY(-50%);
}
.hamburger-btn.aktif::after {
    content: "TUTUP";
    color: white;
}
/* Sembunyikan span lama (tidak dipakai) */
.hamburger-btn span { display: none; }

/* ---- MOBILE OVERLAY (latar belakang gelap saat menu terbuka) ---- */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
}
.nav-overlay.aktif { display: block; }

/* ---- NAV MOBILE DRAWER ---- */
@media (max-width: 768px) {

    /* Header lebih compact */
    .header-container {
        width: 95% !important;
        padding: 5px 0;
    }
    .logo-text h1 { font-size: 20px !important; }
    .logo-text p { font-size: 10px !important; }
    header { padding: 12px 0 !important; }

    /* Tampilkan hamburger, sembunyikan nav biasa */
    .hamburger-btn { display: flex; }

    /* Nav jadi drawer dari kiri */
    .nav-container {
        position: relative;
        padding: 10px 15px !important;
        width: 100% !important;
        box-sizing: border-box;
        justify-content: flex-start !important;
        display: flex;
        align-items: center;
    }

    /* Judul halaman di navbar mobile */
    .mobile-page-title {
        display: block !important;
        color: white;
        font-weight: 900;
        font-size: 14px;
        letter-spacing: 1px;
    }

    .nav-tengah {
        position: fixed;
        top: 0;
        left: -280px;
        width: 270px;
        height: 100vh;
        background: #1a2a6c;
        flex-direction: column !important;
        align-items: flex-start !important;
        justify-content: flex-start !important;
        gap: 0 !important;
        padding: 70px 0 20px 0;
        box-shadow: 4px 0 20px rgba(0,0,0,0.3);
        transition: left 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    .nav-tengah.aktif { left: 0; }

    .nav-tengah a {
        width: 100%;
        padding: 14px 20px !important;
        font-size: 14px !important;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        letter-spacing: 0 !important;
        display: flex !important;
        align-items: center;
        gap: 10px;
    }
    .nav-tengah a:hover { background: rgba(255,255,255,0.1) !important; }
    .nav-tengah a.aktif { border-bottom: none; border-left: 4px solid #ff8c00; background: rgba(255,140,0,0.15); }

    /* Cart icon di dalam drawer */
    .nav-tengah .cart-icon {
        font-size: 16px !important;
        margin-left: 0 !important;
    }

    /* Cart icon di kanan nav (sebelah hamburger) */
    .nav-kanan {
        position: absolute !important;
        right: 85px !important; /* Jarak ekstra jauh agar benar-benar terpisah dari MENU */
        top: 50% !important;
        transform: translateY(-50%) !important;
        margin: 0 !important;
        display: flex;
        align-items: center;
    }
    .teks-keranjang { display: none !important; }

    /* Judul di dalam drawer */
    .nav-drawer-title {
        display: block;
        position: absolute;
        top: 0; left: 0;
        width: 100%;
        padding: 18px 20px;
        background: rgba(255,255,255,0.05);
        font-weight: 900;
        font-size: 16px;
        color: #f1c40f;
        border-bottom: 2px solid rgba(255,255,255,0.1);
        box-sizing: border-box;
    }

    /* Container lebih lebar */
    .container { width: 95% !important; margin: 20px auto !important; }

    /* Hero text lebih kecil */
    .hero { height: 280px !important; }
    .hero-overlay h2 { font-size: 22px !important; }
    .hero-overlay p { font-size: 14px !important; }

    /* Visi Misi stack vertical */
    .visi-misi-container {
        flex-direction: column !important;
        width: 95% !important;
        margin: -20px auto 20px auto !important;
    }

    /* Footer grid → 1 kolom */
    footer .container > div,
    footer .container {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Tabel keranjang responsive (scroll horizontal) */
    .box-keranjang { padding: 15px !important; overflow-x: auto; }
    .box-keranjang table { min-width: 500px; }

    /* Box checkout keranjang */
    .box-checkout {
        flex-direction: column !important;
        gap: 12px !important;
        align-items: stretch !important;
        padding: 15px !important;
    }
    .box-checkout div { text-align: center !important; }
    .btn-belanja-lagi { text-align: center; }
    .btn-checkout { width: 100%; font-size: 14px !important; padding: 12px !important; }

    /* Katalog produk: 1 kolom */
    .katalog-grid { grid-template-columns: 1fr !important; }

    /* QnA stack vertical */
    .qna-container { flex-direction: column !important; }
    .qna-right { position: static !important; max-height: none !important; overflow-y: visible !important; padding-right: 0 !important; }
}

@media (max-width: 480px) {
    .logo-text h1 { font-size: 18px !important; }
    .hero { height: 220px !important; }
    .hero-overlay h2 { font-size: 18px !important; }
}