/* ===============================
   ANIMATIONS
=================================*/
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes linkFlicker {
    0%, 100% { opacity: 1; }
    50% { opacity: .85; }
}

@keyframes hintPulse { 
    0%, 100% { opacity: 0.4; } 
    50% { opacity: 1; } 
}


/* ===============================
   GENERAL / DESKTOP
=================================*/
#menuHandle {
    display: none; /* desktop standaard */
}


/* ===============================
   MOBILE / RESPONSIVE ≤900px
=================================*/
@media(max-width:900px) {

    /* layout */
    #wrapper {
        max-width: 100%; 
        margin: 0 auto 20px auto; 
        padding-left: 10px;
        padding-right: 10px;
    }

    #left, #content, #right {
        width: 100%;
        margin-bottom: 20px;
    }

    .teasers {
        flex-direction: column;
        align-items: center;
    }

    .teaser-block {
        width: 90%;
    }

    /* tekst */
    body {
        font-size: 14px;
        overflow-x: hidden;
    }

    h1 {
        font-size: 1.3rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .menu a {
        padding: 6px;
        font-size: .9em;
    }

    .teaser-block a.btn {
        font-size: 0.9rem;
        padding: 6px 12px;
    }

    .retro-text {
        font-size: 28px;
        letter-spacing: 2px;
    }

    input, textarea, select, button {
        font-size: 13px;
    }

/* Hamburger zwevend links boven de site */
#menuHandle.hamburger {
    display: block;
    position: fixed;
    top: 35px;            
    left: 8px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    z-index: 10001;
    user-select: none;
    transition: transform 0.3s ease, color 0.3s ease, top 0.3s ease, opacity 0.3s ease;

    border-radius: 8px;

    /* Strakker en compacter */
    padding: 4px 6px;        /* minder ruimte rondom */
    width: 44px;              /* vaste breedte */
    height: 44px;             /* vaste hoogte voor vierkant */

    display: flex;            /* voor centreren van icoon */
    align-items: center;
    justify-content: center;

    background: #0c1422;
    box-sizing: border-box;
}



/* Hamburger verdwijnt bij open menu */
#menuHandle.hamburger.hidden {
    display: none !important;
}


/* Hamburger → kruis animatie (optioneel) */
#menuHandle.hamburger.open {
    transform: rotate(90deg);
    color: var(--red);
}




    /* menu toggle */
    #menuToggle {
        display: block;
    }

    /* left menu */
    #left {
        position: fixed;
        top: 0;
        left: -262px; /* verborgen */
        width: 220px;
        height: 100dvh;
        background: #0c1422;
        padding: 20px;
        border-right: 1px solid #1a2b3f;
        box-shadow: 3px 0 15px rgba(0,0,0,0.5);
        transition: left 0.18s cubic-bezier(.4,0,.2,1);
        overflow-y: auto; 
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        z-index: 9999;
    }

    #left.active {
        left: 0;
    }

    #left.active #menuHandle {
        transform: translateY(-50%) rotate(180deg);
    }
}