/* ========= RESET ========= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========= BODY ========= */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #ffffff;
    height: 100vh;
    background: #000;
}

/* ========= BACKGROUND FADE ========= */
.background {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.background img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    will-change: opacity;
}

.background img.active {
    opacity: 1;
}

input, textarea {
    font-size: 16px;
}

/* Overlay voor premium look */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        rgba(0,0,0,0.55),
        rgba(0,0,0,0.65)
    );
    z-index: -1;
}

/* ========= CONTAINER ========= */
.container {
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    text-align: center;
    padding:
            calc(30px + env(safe-area-inset-top))
            30px
            calc(30px + env(safe-area-inset-bottom))
            30px;
}

/* ========= PROFILE ========= */
.profile {
    max-width: 520px;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.6);
    margin-bottom: 25px;
    object-fit: cover;
}

h1 {
    font-size: 2.6rem;
    font-weight: 600;
    letter-spacing: 1px;
}

h2 {
    font-size: 1.1rem;
    font-weight: 300;
    margin-top: 10px;
    color: rgba(255,255,255,0.85);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.intro {
    margin: 30px 0 40px 0;
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.85);
}

h3 {
    margin-top: 25px;
    font-size: 0.6rem;
    font-weight: 300;
    letter-spacing: 1px;
}


/* ========= BUTTONS ========= */
.buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn {
    padding: 14px;
    border-radius: 40px;
    text-decoration: none;
    color: white;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.5);
    transition: all 0.3s ease;
    backdrop-filter: blur(6px);
}

.btn:hover {
    background: white;
    color: black;
}

.primary {
    background: rgba(255,255,255,0.15);
}

.hidden {
    display: none;
}

/* ========= RESPONSIVE ========= */
@media (min-width: 768px) {

    h1 {
        font-size: 3.2rem;
    }

    .intro {
        font-size: 1.1rem;
    }

    .buttons {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn {
        min-width: 160px;
    }
}