/* ============================================================================
   MOBILE OPTIMIZATION
   Greift für alle Seiten AUSSER dem Configurator (der wird auf kleinen
   Bildschirmen komplett geblockt, siehe .mobile-block).
   ============================================================================ */

/* ----------------------------------------------------------------------------
   HAMBURGER TOGGLE (nur mobil sichtbar)
   ---------------------------------------------------------------------------- */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 1px solid var(--border-color, #222);
    border-radius: 6px;
    cursor: pointer;
    padding: 0 9px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Login-Eintrag im Menü nur mobil zeigen */
.nav-menu-login { display: none; }

/* ----------------------------------------------------------------------------
   CONFIGURATOR MOBILE BLOCK
   ---------------------------------------------------------------------------- */
.mobile-block {
    max-width: 480px;
    margin: 0 auto;
    padding: 70px 28px;
    text-align: center;
    color: #ddd;
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}
.mobile-block-icon { font-size: 4rem; margin-bottom: 20px; }
.mobile-block h2 { color: #00d4ff; font-size: 1.6rem; margin: 0 0 18px; }
.mobile-block p { font-size: 1rem; line-height: 1.6; color: #bbb; margin: 0 0 16px; }
.mobile-block-hint { font-size: 0.85rem; color: #777; }
.mobile-block-btn {
    margin-top: 20px;
    padding: 14px 28px;
    background: #00d4ff;
    color: #000;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
}

/* ============================================================================
   BREAKPOINT: TABLET & KLEINER (<= 900px)
   ============================================================================ */
@media (max-width: 900px) {
    /* Navigation: Desktop-Menü ausblenden, Hamburger zeigen */
    .nav-toggle { display: flex; }
    .nav-actions { display: none; } /* Desktop-Login-Button weg */
    .nav-menu-login { display: list-item; }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color, #222);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 1999;
    }
    .nav-menu.open {
        max-height: 80vh;
    }
    .nav-menu li {
        width: 100%;
        text-align: center;
        border-top: 1px solid #1a1a1a;
    }
    .nav-menu li a {
        display: block;
        padding: 16px 20px;
        font-size: 0.9rem;
    }

    /* Tutorials-Grid: 400px Mindestbreite würde überlaufen */
    .tut-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    .tut-thumbnail { height: 200px; }

    /* Docs/Tutorials Container-Padding reduzieren */
    .tutorials-container { padding-left: 15px; padding-right: 15px; }
}

/* ============================================================================
   BREAKPOINT: SMARTPHONE (<= 600px)
   ============================================================================ */
@media (max-width: 600px) {
    /* Hero */
    .hero { padding: 30px 20px; }
    .hero p { font-size: 1rem; }
    .btn-primary { padding: 16px 32px; font-size: 0.9rem; }

    /* Login/Register Box */
    .login-box { padding: 30px 22px; }
    .login-header h2 { font-size: 1.35rem; }

    /* Profil: zweispaltige Bereiche stapeln */
    .profile-grid-2col {
        grid-template-columns: 1fr !important;
    }

    /* Profil-Container Padding schlanker */
    .login-page { padding: 12px !important; }

    /* Legal-Seiten: Padding reduzieren */
    .legal-page {
        margin: 30px auto !important;
        padding: 24px 18px !important;
    }
    .legal-page h1 { font-size: 1.5rem; }
    .legal-page h2 { font-size: 1.15rem; }

    /* Docs: große Schrift verkleinern */
    .docs-container { padding: 20px 15px 80px !important; }
    #doc-text { font-size: 1rem !important; }
    #doc-title { font-size: 1.5rem !important; }

    /* How-to-access Karte */
    .access-carousel .tut-card { min-height: auto !important; }
    #step-visual { height: 180px !important; font-size: 5rem !important; }
    .tut-card-content { padding: 24px 18px !important; }
    #step-title { font-size: 1.5rem !important; }
    #step-text { font-size: 1rem !important; }

    /* Footer: 2 Spalten statt auto-fit */
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 22px;
    }
}

/* ============================================================================
   SEHR SCHMAL (<= 380px) - Footer einspaltig
   ============================================================================ */
@media (max-width: 380px) {
    .footer-container { grid-template-columns: 1fr; }
}