html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
}

.reference-card {
    min-height: 260px;
    padding: 1.5rem;
    border-radius: 0.75rem;
    background-color: #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 1rem;
}
.reference-card:hover {
    transform: translateY(-4px);
    transition: all 0.3s ease;
}

img.techsoup {
    background-color: black;
    padding: 10px 5px 0 5px;
}

#references img {
    height: 48px;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* extra osztály scroll utáni állapothoz */
.header-shrink {
    padding-top: 0.25rem !important; /* Tailwind: pt-1 */
    padding-bottom: 0.25rem !important; /* Tailwind: pb-1 */
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.1);
}

iframe {
    width: 100%;
    border: none;
    overflow: hidden;
    min-height: 600px;
}

button:focus, a:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}