.article1 {
    background: url(../images/a1-bg.jpg);
}

.a1-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.a1-left {
    flex: 1;
}

.a1-left h5 {
    color: var(--main-color);
    display: flex;
    align-items: flex-start;
    gap: 5px;
    font-size: 140px;
    font-weight: 800;
    font-family: 'Montserrat';
}

.a1-left h5 span {
    padding-top: 10px;
    font-size: 55px;
    font-weight: 300;
}

.a1-left p {
    color: rgba(0, 0, 0, .3);
    font-size: 24px;
    font-weight: 400;
    line-height: 1.5;
}

.a1-right {
    position: relative;
    flex: 4;
    padding-top: 25px;
}

.a1-speech {
    position: relative;
    position: absolute;
    top: 3px; left: 300px;
    padding: 20px;
    border-radius: 7px;
    border: 1px solid #ddd;
    background-color: #f5f5f5;
    animation: updown 1s infinite ease-in-out;
    z-index: 10;
}

.a1-speech::after {
    content: '';
    position: absolute;
    bottom: 20px; left: -7px;
    width: 12px;
    height: 12px;
    transform: rotate(45deg);
    border-left: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    background-color: #f5f5f5;
    z-index: -1;
}

.a1-speech h5 {
    color: #555;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Montserrat';
}

.a1-speech ul {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 10px;
    padding-left: 15px;
}

.a1-speech ul li {
    color: #777;
    font-size: 12px;
    list-style: circle;
}

@keyframes updown {
    0% {transform:translateY(0);}
    10% {transform:translateY(-3px);}
    20% {transform:translateY(0);}
    30% {transform:translateY(-3px);}
    40% {transform:translateY(0);}
    100% {transform:translateY(0);}
}

.a1-title {
    color: #555;
    font-size: 32px;
    font-weight: 800;
    line-height: 1.5;
    font-family: 'Montserrat';
}

.a1-right p {
    color: rgba(0, 0, 0, .3);
    font-size: 18px;
    line-height: 1.65;
    margin-top: 2rem;
}

.a1-right p a {
    color: var(--main-color);
    font-weight: 500;
}

.a1-right p a:hover {
    text-decoration: underline;
}


/*==================================================*/
@media (max-width: 1150px) {
    .a1-wrapper {
        flex-direction: column;
    }
}


@media (max-width: 550px) {
    .a1-left,
    .a1-right {
        flex: unset;
    }
    
    .a1-left h5 {
        font-size: 100px;
    }

    .a1-left h5 span {
        padding-top: 0;
        font-size: 45px;
    }

    .a1-left p {
        font-size: 18px;
        margin-top: -10px;
    }

    .a1-speech {
        left: 220px;
        padding: 12px;
    }
    
    .a1-speech h5 {
        font-size: 12px;
    }

    .a1-speech ul li {
        font-size: 11px;
    }

    .a1-title {
        font-size: 24px;
    }

    .a1-right p {
        font-size: 14px;
    }
}


@media (max-width: 450px) {
    .a1-speech {
        top: -120px; left: 120px;
    }

    .a1-right p {
        margin-top: 1rem;
    }
}