:root{
    --primary : #3B82F6;
    --navy-blue : #1B7FD7;
    --true-blue : #0774D3;
    --diamond : #BEE1FF;
    --dark: #193766;
    --dark-muted: rgba(0, 21, 51, 0.6);
    --dark-light : rgba(255, 255, 255, 0.08);
    --green: #87C846;
    --gray: #697B98;
    --gray-paragraph: #6C6C72; 
}

*{
    box-sizing: border-box;
    font-family:'DM Sans';
    font-weight: 400;
    padding: 0;
    margin: 0;
}
h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
}
/* ====== Utility  ====== */
.rotate-180{
    transform: rotate(180deg);
}

@font-face {
    font-family: 'DM Sans';
    font-weight: 400;
    src: url('./fonts/DMSans/DMSans-Regular.ttf') format('truetype');
    font-display: swap;
}

@font-face {
    font-family: 'DM Sans';
    font-weight: 700;    
    src: url('./fonts/DMSans/DMSans-Bold.ttf') format('truetype');
    font-display: swap;
}
.dark-color{
    color: var(--dark);
    font-weight: 500;
}

.app-header{
    background-color: white;
}

.app-header__logo{
    padding: 0 1px;
    position: relative;
    text-decoration: none;
}
.app-header__logo::before{
    background-color: var(--green);
    bottom: 6px;
    content: "";
    display: block;
    height: 25%;
    position: absolute;
    width: 100%;
    z-index: -1;
}

/* ======  End of Utility  ====== */

.primary-button {
    display: inline-block;
    background-color: var(--primary);
    border-radius: 6px;
    box-shadow: 0px 30px 60px 0px rgba(59, 130, 246, 0.25); 
    color: white;
    line-height: normal; 
    padding: 15px 25px;
    font-weight: bold;
    font-size: 16px;
}

.mr-50 {
    margin: 0 50px 0 0;
}

/* ====== Navbar ====== */

.app-header__logo{
    padding: 0 1px;
    position: relative;
    text-decoration: none;
}
.app-header__logo::before{
    background-color: var(--green);
    bottom: 6px;
    content: "";
    display: block;
    height: 25%;
    position: absolute;
    width: 100%;
    z-index: -1;
}


/* ====== End of Navbar ====== */


/* ====== Home ====== */

/* ======  Hero  ====== */
.hero {
    margin-top : 204px;
}
.hero-left{
    color: var(--dark);
    max-width: 1310px;
    width: 100%;
}

.hero-left__content > h1 {
    font-size: 58px;
    
}

.hero-left__content > h1 > span {
    font-weight: bold;
    line-height: 74px;
    text-decoration: underline;
}

.hero-left__content > p {
    color: var(--gray);
    font-size: 22px;
    max-width: 638px;
    line-height: 36px;
    margin-top: 20px;
}

.hero-left__icons {
    display: flex;
    gap: 15px;
    margin-top: 40px;
}

.hero-right{
    position: relative;
}
.hero-right > img{
    width: 100%;
    position: relative;
}

/* ====== End of Hero  ====== */


/* ======  Feature Section ======*/

.feature-section {
    margin: 230px auto;
    scroll-margin-top: 150px;
}

.feature-section > h2 {
    margin: 0 auto;
    text-align: center;
}

.feature-section > p {
    color: var(--gray);
    font-size: 22px;
    margin: 15px auto;
    max-width: 1000px;
    text-align: center;
}

.feature-section__container {
    display: flex;
    gap: 50px;
    margin:90px 0px;
}

.feature-section__column > img{
    flex-grow: 4;
}

.feature-section__column > .card{
    padding: 50px;
    transition: all .3s ease-in-out;
    cursor: default;
}

.feature-section__column > .card:hover{
    color: white;
    background-color: var(--true-blue);
    transition: all .3s ease-in-out;
}

.feature-section__column .card__header{
    display: flex;
    align-items: start;
    justify-content: end;
}

.feature-section__column .item{
    padding: 20px;
    border-radius: 6px;
    transition: all .3s ease-in-out;
}

#pen-color > .fill-pen{
    transition: all .3s ease-in-out;
    
}

.feature-section__column > .card:hover #pen-color > .fill-pen{
    stroke: white;
    transition: all .3s ease-in-out;
    
}

.feature-section__column .card:hover .item{
    background-color: var(--dark-light);
    border-radius: 6px;
    transition: all .3s ease-in-out;
}

.card__body > .card-title{
    color: var(--true-blue);
    transition: all .3s ease-in-out;
}

.card__body > .card-text{
    color: var(--gray);
    transition: all .3s ease-in-out;
}

.feature-section__column > .card:hover .card-title{
    color: white;
    transition: all .3s ease-in-out;
}

.feature-section__column > .card:hover .card-text{
    color: white;
    transition: all .3s ease-in-out;
}
/* ======  End of Feature Section ====== */


/* ======  Testimonial Section ====== */
.testimonial-section{
    margin:100px 0;
    scroll-margin-top: 150px;
}

.testimonial-section__container{
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.testimonial-section__left h2{
    color: var(--dark);
    font-size: 84px;
    font-weight: 700;
}

.testimonial-section__left p{
    color: var(--gray );
    font-size: 20px;
    max-width: 600px;
}

.secondary-button {
    background-color: var(--navy-blue);
    border-radius: 6px;
    color: white;
    line-height: normal; 
    padding: 23px;
    font-weight: bold;
}

.testimonial-section__right{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;

}

.testimonial-section__reviews{
    display: flex;
    justify-content: center;
    gap: 44px;
    margin:100px auto;
    width: 100%;
}

.testimonial-section__reviews .card{
    padding: 40px 30px;
    width: 100%;
    color: white;
    background-color: var(--navy-blue);
}
.swiper {
    width: 100%;
  }

.swiper-slide{
    width: 500px;
    
}
.testimonial-section__reviews .card p{
    margin: 0 auto;
    max-width: 300px;
    text-align: center;
    margin-bottom: 25px;
}

.testimonial-section__star{
    display: flex;
    justify-content: center;
    gap: 5px;

}
.testimonial-section__profile{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    margin: 25px 0 5px 0;
}
.testimonial-section__profile > img{
    width: 50px;
    height: 50px;
    object-fit: cover;
    margin: 0 auto;
}

@keyframes animation__card {
    0% {
        transform: translateX(0%);
    }
    50%{
        transform: translateX(100%);
    }
    100%{
        transform: translateX(0%);
    }
}
/* ======  End of Testimonial Section ====== */

/* ====== Article Section ====== */

.article-section{
    margin: 300px auto;
    scroll-margin-top: 150px;
}

.article-section__header > p{
    max-width: 800px;
    margin-top: 15px;
    color: var(--gray);
}

.article-section__column {
    margin-top: 55px ;
    display: flex;
    justify-content: center;
    gap: 55px;
}

.article-section__column .card{
    max-width: 400px;
    display: flex;
    flex-direction: column;
    box-shadow: 0px 1px 10px 0px rgba(0, 0, 0, 0.10); 
    border: none;
}

.article-section__column .card > img{
   object-fit: cover;
   border-radius: 10px;
}

.article-section__column .card-text{
    color: var(--gray-paragraph);
    font-size: 16px;
    line-height: 24px;

}
.article-section__column .card a:link{
    display: inline-block;
    margin-top: 14px;
    color: #5851EA;
    font-weight: bold;
}

/* ====== End of Article Section ====== */


/* ====== FAQ Section ====== */
.faq-section{
    margin:204px 0;
    scroll-margin-top: 150px;
}

.faq-section__header > h2{
    color: var(--dark);
    font-weight: bold;
}

.faq-section__header > p{
    text-align: center;
    max-width: 800px;
    margin-top: 15px;
    color: var(--gray);
}

.faq{
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 32px;
    margin-top: 92px;
}

.faq-card{
    max-width: 800px;
    width: 100%;
    border-radius: 8px; 
    box-shadow:inset 0px 0px 0px 2px var(--dark);
    backdrop-filter: blur(7.5px); 
}

.faq__header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq__header h4{
    display: flex;
    justify-content: start;
    align-items: center;
}

.faq__header h4 span{
    display: flex;
    justify-content: center;
    padding: 20px 40px;
}


.faq__body {
    padding-left: calc(80px + 28.8px);
    transition: all .5s ease;
    overflow: hidden;
    overflow-y: auto;
    height: 0;
}

.faq-card.active .faq__body{
    padding: 20px  40px 20px calc(80px + 28.8px);
    height: 150px;
    transition: all .5s ease;
}

.faq__btn{
    padding: 33px 32px;
    background-color: var(--dark);
    border-radius: 0px 8px 8px 0px; 
    transition: all .5s ease;
}

.faq-card.active .faq__btn{
    background-color: var(--diamond);
    border-radius: 0px 8px 8px 0px; 
}

/* ====== End of FAQ Section ===== */

/* ====== Download Section */

.download-card{
    align-items: center;
    background-color: var(--navy-blue);
    border-radius: 25px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 204px 5px;
    padding: 54px 0;
}

.download__header{
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 15px;
}
.download__header h2{
    font-size: 32px;
}
.download__header span{
    font-size: 32px;
    color: var(--diamond);
}

.download__header > p{
    padding: 0 20px;
    max-width: 600px;
    line-height: 30px;
}

.download__body {
    margin-top: 40px;
}

/* ====== End of Download Section ====== */

/* ====== Footer ====== */

footer{
    background-color: var(--dark);
    color: var(--muted-light, rgba(255, 255, 255, 0.80));;
}

.footer-link{
    color: var(--muted-light, rgba(255, 255, 255, 0.80));;
}

.footer__top{
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding: 124px 0;
}

.footer__header{
    max-width: 370px;
    width: 100%;
}

.footer__header > p{
    margin-top: 15px;
    max-width: 312px;
}

.footer__form{
    background-color: white;
    border-radius: 2px;
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 34px;
    padding: 2px;
}
.footer__form > input{
    background-color: none;
    border: none;
    width: 100%;
    padding: 0 10px;
    outline: none;
}
.footer__form > a{
    background-color: var(--navy-blue);
    border: none;
    border-radius: 4px;
    padding: 11px 14px;
}

.footer__content{
    display: flex;
    justify-content: center;
    gap: 70px;
}

.footer__content ul{
    
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
}

.footer__content ul li{
    list-style-type: none;
}

.footer__content ul li:nth-child(1){
    color: rgba(255, 255, 255, 0.60);
    margin-bottom: 20px;
}

.footer__bottom{
    padding: 45px 0 45px 0;
    color: rgba(255, 255, 255, 0.40);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
}
/* ====== End of Footer ====== */

/* sm */
@media (max-width: 576px) { 
    .hero {
        margin-top : 100px;
    }
    .footer__content{
        gap: 15px;
    }
    .hero-left__content > h1 , span {
        font-size: 30px;
        line-height: normal !important;
        width: 100%;
    }
    .hero-left__content > p {
        color: var(--gray);
        font-size: 20px;
        max-width: 638px;
        line-height: 36px;
        margin-top: 20px;
    }

    .testimonial-section__left h2{
        font-size: 54px;
    }

    .testimonial-section__left p{
        font-size: 16px;
    }

    .download__header h2, .download__header span{
        font-size: 20px;
    }
    .download__header p{
        font-size: 12px;
    }

    .faq__header h4 span{
        padding: 20px 5px;
    }


    .faq__btn{
        padding: 41px 32px;
    }
    .footer__content ul{
        gap: 20px;
    }
    .footer__bottom{
        text-align: center;
        font-size: 12px;
    }
}

/* md */
@media (max-width: 768px) { 
    .feature-section__container{
        gap: 0px;
        margin:90px 10px ;
    }
    .feature-section__column .card__header{
        justify-content: start;
    }
    .footer__content{
        flex-wrap: wrap;
        gap: 10px;
    }
    
}
/* lg */
@media screen and (max-width: 992px) { 
    .feature-section__column img{
        display: none;
    }
    .footer__header{
        max-width: 100%;
    }
    .footer__top{
        padding: 100px 40px;
        flex-wrap: wrap;
        gap: 50px;
    }
    .footer__content{
        width: 100%;
        justify-content: space-between;
    }

}
/* xl */
@media (max-width: 1200px) { 
    .feature-section__column > img{
        flex-grow: 1;
        width: 400px;
    }
    .article-section__column {
        flex-wrap: wrap;
    }

}