@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,100;1,200;1,300;1,400;1,500;1,600;1,700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

html {
    scroll-behavior: smooth;
}

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

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    background-color: #213a5f;
}

.loader {
    width: 50px;
    height: 50px;
    background: #353535;
    display: block;
    margin: 20px auto;
    position: relative;
    box-sizing: border-box;
    animation: rotationBack 1s ease-in-out infinite reverse;
}

.loader::before {
    content: '';
    box-sizing: border-box;
    left: 0;
    top: 0;
    transform: rotate(45deg);
    position: absolute;
    width: 48px;
    height: 48px;
    background: #2e2e2e;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
}

.loader::after {
    content: '';
    box-sizing: border-box;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 50%;
    background: rgb(0, 0, 0);
    transform: translate(-50%, -50%);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
}

@keyframes rotationBack {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(-360deg);
    }
}

.home {
    height: 100%;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    position: relative;
    background: url("../img/bg.jpg");
    background-size: cover;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("../img/bg.jpg");
}

.container {
    max-width: 550px;
    margin-right: auto;
    margin-left: auto;
}

.container-main {
    /* background-color: red; */
    width: 100%;
    height: 100%;
}

.options {
    height: 17%;
    display: flex;
    justify-content: center;
    /* background-color: beige; */
    width: 100%;
}

.options .holder {
    width: 100%;
    display: flex;
    align-items: center;
    margin: 0px 50px;
    margin-top: 40px;
    /* background-color: blue; */
    justify-content: space-between;
}

.primary-btn {
    height: 40px;
    width: 140px;
    border-radius: 60px;
    cursor: pointer;
    border: 1px solid #fff;
    background-color: transparent;
    letter-spacing: 2px;
    color: #fff;
    font-weight: 500;
}

.primary-btn:hover {
    background-color: #fff;
    color: black;
    transition: 0.3s ease;
    font-weight: 500;
}

.dual-container {
    /* background-color: blueviolet; */
    width: 100%;
    display: flex;
    height: 75%;
    position: relative;
    overflow: hidden;
}

.dual-container .card {
    height: 100%;
    width: 100%;
    /* background-color: red; */
    position: absolute;

}

.dual-container .stopwatch {
    /* background-color: rgb(156, 68, 68); */
    margin-left: 0%;

}

.dual-container .med {
    font-size: 1.125rem;
    font-weight: 500;
    margin: 0px 8px;
}

.counter {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 35%;
    width: 100%;
    color: #fff;
    font-weight: 500;
    font-size: 7.5rem;
    margin-top: 100px;
}

.btn-holder {
    display: flex;
    margin-top: 30px;
    justify-content: center;
    height: 70px;
    align-items: center;
}

.btn-holder a {
    height: 40px;
    width: 40px;
    margin: 0px 8px;
}

.btn-holder img {
    width: 100%;

}

.btn-holder-timer {
    display: flex;
    margin-top: 30px;
    justify-content: center;
    background-color: #fff;
    height: 70px;
    margin-left: auto;
    margin-right: auto;
    width: 45%;
    align-items: center;
    border-radius: 12px;
}

.btn-holder-timer a {
    height: 40px;
    width: 40px;
    margin: 0px 15px;
}

.btn-holder-timer img {
    width: 100%;
}


.dual-container .timer {
    /* background-color: aqua; */
    margin-left: 100%;
}

.dual-container .stopwatch,
.dual-container .timer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: margin-left 0.5s ease-in-out;
}

.primary-btn.active {
    background-color: #fff;
    color: black;
    transition: 0.3s ease;
    font-weight: 500;
}



.footer {
    width: 100%;
    height: 8%;
    display: flex;
    justify-content: right;
    align-items: center;
    /* background-color: rgb(37, 0, 0); */
}

.footer .social {
    height: 70%;
    width: 30%;
    display: flex;
    justify-content: right;
    align-items: flex-start;
    /* background-color: red; */
    padding-right: 15px;
    color: #fff;
}

.footer .social p {
    margin-top: 5px;
    font-size: 1.2rem;
    margin-right: 5px;
}

.footer .social a {
    height: 2.5rem;
    width: 2.5rem;
    margin: 0px 12px;
}

.footer .social img {
    width: 100%;
}

/* universal properties */

.active {
    background-color: #fff;
    color: black;
    transition: 0.3s ease;
    font-weight: 500;
}

/* universal properties */

/* Mobile Phones */
@media only screen and (max-width: 600px) {
    .container {
        max-width: 380px;
    }

    .counter {
        font-size: 4rem;
        margin-top: 70px;
    }

    .primary-btn {
        height: 35px;
        width: 125px;
        font-size: 0.8rem;
    }

    .btn-holder {
        gap: 0 5px;
    }

    .btn-holder a {
        height: 35px;
        width: 35px;

    }

    .btn-holder-timer {
        margin-top: 35px;
        height: 55px;
        width: 55%;
    }

    .btn-holder-timer a {
        width: 32px;
        height: 32px;
    }

    .dual-container .med {
        font-size: 0.975rem;
    }

    .footer .social {
        width: 100%;
        justify-content: center;
        padding-right: 0px;
    }

    .footer .social a {
        height: 1.5rem;
        width: 1.5rem;
    }

    .footer .social p {
        font-size: 0.8rem;
    }
}

/* Tablets */
@media only screen and (min-width: 601px) and (max-width: 768px) {
    .container {
        max-width: 450px;
    }

    .counter {

        font-size: 5.5rem;
    }

    .primary-btn {
        height: 35px;
        width: 130px;
        font-size: 0.8rem;
    }

    .btn-holder {
        gap: 0 5px;
    }

    .btn-holder a {
        height: 35px;
        width: 35px;

    }

    .btn-holder-timer {
        margin-top: 34px;
        height: 60px;
    }

    .btn-holder-timer a {
        width: 35px;
        height: 35px;
    }

    .dual-container .med {
        font-size: 1rem;
    }

    .footer .social {
        width: 42%;
    }

    .footer .social a {
        height: 2.5rem;
        width: 2.5rem;
    }

    .footer .social p {
        font-size: 1rem;
    }
}

/* Small Desktops and Laptops */
@media only screen and (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 450px;
    }

    .counter {
        font-size: 5.5rem;
    }

    .primary-btn {
        height: 32px;
        width: 125px;
        font-size: 0.8rem;
    }

    .btn-holder a {
        height: 32px;
        width: 32px;

    }

    .btn-holder-timer {
        margin-top: 34px;
        height: 55px;
    }

    .btn-holder-timer a {
        width: 32px;
        height: 32px;
    }

    .dual-container .med {
        font-size: 1rem;
    }

    .footer .social a {
        height: 1.5rem;
        width: 1.5rem;
    }

    .footer .social p {
        font-size: 0.8rem;
    }
}

/* Medium Desktops and Laptops */
@media only screen and (min-width: 1025px) and (max-width: 1440px) {
    .container {
        max-width: 495px;
    }

    .counter {
        font-size: 6rem;
    }

    .primary-btn {
        height: 35px;
        width: 130px;
        font-size: 0.8rem;
    }

    .btn-holder a {
        height: 35px;
        width: 35px;

    }

    .btn-holder-timer {
        margin-top: 34px;
        height: 60px;
    }

    .btn-holder-timer a {
        width: 35px;
        height: 35px;
    }

    .dual-container .med {
        font-size: 1rem;
    }

    .footer .social a {
        height: 1.5rem;
        width: 1.5rem;
    }

    .footer .social p {
        font-size: 0.8rem;
    }
}

/* Large Desktops and High-Resolution Screens */
@media only screen and (min-width: 2140px) {
    .container {
        max-width: 800px;
    }

    .primary-btn {
        height: 70px;
        width: 225px;
        font-size: 1.4rem;
    }

    .counter {
        font-size: 11.3rem;
    }

    .dual-container .med {
        font-size: 1.75rem;
    }

    .btn-holder {
        margin-top: 60px;
        gap: 0 20px;
    }

    .btn-holder-timer {
        margin-top: 45px;
        gap: 0 20px;
        height: 105px;
        width: 50%;
    }

    .btn-holder a {
        height: 100%;
        width: 70px;
    }

    .btn-holder-timer a {
        width: 60px;
        height: 60px;
    }

    .footer .social p {
        font-size: 1.5rem;
    }
}