* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #111;
}

.landing {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;

    /* titel.png must be in the same folder as style.css */
    background-image: url("titel.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.18);
}

.content {
    position: relative;
    z-index: 1;
    width: min(900px, 90%);
    text-align: center;
}

h1 {
    margin: 0 0 35px;
    color: #fff;
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    line-height: 1;
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.8);
}

.actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 310px;
    padding: 20px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    transition: transform 0.15s ease, filter 0.15s ease;
    box-shadow: 0 5px 18px rgba(0, 0, 0, 0.35);
}

.button:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
}

.browse {
    color: #fff;
    background: #0645a5;
    border: 2px solid rgba(255, 255, 255, 0.85);
}

.upload {
    color: #111;
    background: #ffd000;
    border: 2px solid rgba(255, 255, 255, 0.85);
}

@media (max-width: 700px) {
    .content {
        width: 92%;
    }

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

    .button {
        width: 100%;
        min-width: 0;
    }
}
