body {
    font-family: 'Inter', sans-serif;
    margin: 0;

    background: #ffffff;
    color: black;
}


.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}


.head {
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}


.title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
}


.subtitle {
    font-size: 20px;
    font-weight: 700;
    opacity: 0.7;
    margin-bottom: 40px;
    line-height: 1.5;
}

.textstart {
    color: #777;
    font-size: 20px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: justify;
    padding: 20px;
    line-height: 1.6;
}

.textleft {
    font-size: 20px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: justify;
    padding: 20px;
    line-height: 1.6;

}


.textmid {
    font-size: 18px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;;
    padding: 20px;
    line-height: 1.6;
}


.black {
    color: #000;
}


.divider {
    width: 100%;
    height: 1px;
    background-color: #d9d9d9;
    opacity: 0.5;
}


.photo {
    display: flex;
    justify-content: center;
}

.underline {
    text-decoration: underline;
}

.form-container {
    background: #fff;
    width: 480px;
    max-width: 100%;
    padding: 75px;

    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.25);

    text-align: center;
    transition: all 0.3s ease;
}

#question, #options {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.hide {
    opacity: 0;
    transform: translateY(15px);
}



h2 {
    margin-bottom: 25px;
    font-size: 22px;
    color: #222;
}

.option {
    display: block;
    padding: 14px 16px;
    margin: 10px 0;

    border: 2px solid #e6e6e6;
    border-radius: 12px;

    cursor: pointer;
    transition: 0.25s ease;

    font-size: 16px;
    text-align: left;

    background: #fafafa;
}

.option:hover {
    border-color: #2575fc;
    background: #f0f6ff;
    transform: translateY(-2px);
}

.option input {
    display: none;
}

.option.selected {
    background: #2575fc;
    color: white;
    border-color: #2575fc;

    box-shadow: 0 8px 20px rgba(37, 117, 252, 0.35);
}

button {
    margin-top: 20px;
    padding: 12px 25px;

    border: none;
    border-radius: 12px;

    background: #2575fc;
    color: white;

    font-size: 16px;
    cursor: pointer;

    transition: 0.3s;
    width: 100%;
}

button:disabled {
    background: #b5b5b5;
    cursor: not-allowed;
}

.page-wrapper {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar {
    width: 650px;
    height: 650px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.textend{
    font-size: 17px;
    line-height: 0.3;
}

.youtubetext{
    color: #000;
    font-size: 40px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;;
    padding: 50px;
    line-height: 1.3;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;

    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.video-grid iframe {
    width: 100%;
    aspect-ratio: 16 / 9;

    border: none;
    border-radius: 14px;

    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
    transition: transform 0.25s ease;
}

.video-grid iframe:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}