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

body {
    background-color: whitesmoke;
}

.page2 {
    max-width: 1280px;
    margin-inline: auto;
}

.page2 .all-data {
    padding: 1rem;
    max-width: 980px;
    margin-inline: auto;
}

.page2 .all-data .sec {
    max-width: 800px;
    margin-inline: auto;
    background-color: white;
}

.section1 .head-content {
    text-align: center;
    font-size: 2.5rem;
    max-width: 650px;
    margin-inline: auto;
    padding-block-start: 1rem;
}

.section2 {
    padding: 1rem;
}

.section2 .details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin-inline: auto;

}

.details .detail {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
    gap: 5px;
    border: 5px double white;
    border-radius: 25px;
    padding: 1rem;
    text-align: center;
}

.details .detail:nth-of-type(2n+1) {
    background-color: rgb(161, 251, 254);
}

.details .detail:nth-of-type(2n) {
    background-color: rgb(100 226 237)
}

.details .detail .sub {
    padding: 0.3rem;
}

.details .detail .sub-detail3 input {
    width: 100%;
    height: 30px;
    border: none;
    border-radius: 20px;
    text-align: center;
    cursor: pointer;
}

.details .detail .sub-detail3 input::placeholder {
   text-align: center;
   color: cadetblue;
}

@media screen and (max-width: 656px) {
    .details .detail .sub-detail2 {
        min-width: auto;
    } 
    
    .details .detail {
        padding: 1rem;
    }

    .section1 .head-content {
        font-size: 2.5rem;
    }
}

@media screen and (max-width: 430px) {
    .section1 .head-content {
        font-size: 2rem;
    }
}

@media screen and (max-width: 350px) {
    .section1 .head-content {
        font-size: 1.6rem;
    }
}

.section3 {
    text-align: center;
    padding: 0.5rem;
}

.btn {
    padding: 0.9rem 2rem;
    color: floralwhite;
    background-color: rgb(0, 139, 139);
    border-radius: 14px;
    cursor: pointer;
}
.percent-btn {
    margin-inline-end: 0.5rem;
}

@media screen and (max-width: 335px) {
    .percent-btn {
        margin-block-end: 0.5rem;
        margin-inline-end: 0rem;

    }
}

.section3 .percent-btn .btn:hover {
    background-color: rgba(0, 139, 139, 0.8);
}

.section3 .percent-btn .btn:active {
    transform: scale(0.97, 0.97);
}

.section3 .proof {
    border: 2px solid rgb(0, 153, 255);
    padding: 0.1rem;
    max-width: 80%;
    margin-inline: auto;
    margin-block-start: 1rem;
}

.proof .formula-img {
    width: 100%;
    display: block;
}

.result {
    border: 2px solid black;
    padding: 0.9rem 2rem;
    margin-block-start: 0.5rem;
    border-radius: 14px;
    max-width: 150px;
    margin-inline: auto
}

.section4 {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-block-end: 1rem;
}

.section4 .foot-content {
    margin: 1rem;
    background-color: whitesmoke;
    padding: 1rem;
    width: 100%;
}

.section4 .foot-content .query-portion {
    background-color: #2f2f2f;
    text-align: center;
    padding: 2rem;
}

.section4 .foot-content .contact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-block-start: 2rem;
    margin-block-end: 0.5rem;
}

.query-portion .query-form .query-head {
    color: #00B6D1;
    font-size: 25px;
    margin-block-end: 0.5rem;
}

.query-portion .query-form .query-minihead {
    color: white;
    font-size: smaller; 
}

.query-form .flex {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.query-form .flex .query-input {
    padding: 1rem;
    border-radius: 0.5rem;
    width: 70%;
    margin-block-start: 1rem;
}

.query-form .flex .query-button {
    padding-block: 1rem ;
    width: 70%;
    background-color: rgb(0, 182, 209);
    color: white;
    font-weight: 700;
    border-radius: 0.5rem;
    cursor: pointer;
}

.query-form .flex .query-button:hover {
    background-color: rgba(0, 182, 209, 0.8);
}

.query-form .flex .query-button:active {
    transform: scale(0.98, 0.98);
}

.foot-content .contact .logo {
    max-width: 70px;
}
.logo .logo-a {
    width: 100%;
    display: block;
}

.logo-a .logo-img {
    width: 100%;
    display: block;
    object-fit: contain;
    border-radius: 5px;
}

.footer-links span {
    display: inline-block;
    width: 30px;
}

.footer-links span .contact-link {
    display: block;
}

.footer-links span img {
    width: 100%;
    display: block; 
}

.foot-content .copyright {
    font-size: small;
}

@media screen and (max-width: 480px) {
    .contact {
       flex-direction: column;
       gap: 0.5rem;
    }

    .foot-content .copyright {
        text-align: center;
    }
}

@media screen and (max-width: 560px) {
    .query-portion .query-form .query-minihead {
        color: white;
        font-size: xx-small;
    }
}