@import url('https://fonts.googleapis.com/css2?family=Clicker+Script&family=Poppins:wght@200;300;400;500;600;700&display=swap');
:root{
    --bg-black-900:#f2f2fc;
    --bg-black-100:#fdf9ff;
    --bg-black-50:#e8dfec;
    --text-black-900:#302e4d;
    --text-black-700:#504e70;
}
body.dark{
    --bg-black-900:#151515;
    --bg-black-100:#222222;
    --bg-black-50:#393939;
    --text-black-900:#ffffff;
    --text-black-700:#e9e9e9;
}
body{
    margin: 0;
    padding: 0;
    line-height: 1.5;
    font-size: 16px;
    font-family: 'Poppins' sans-serif;
}
*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    /* bỏ đường kẻ trong ô vd: input,... */
    outline: none;
    text-decoration: none;
}
::before,::after{
    box-sizing: border-box;
}
ul{
    list-style: none;
}
.section{
    background: var(--bg-black-900);
    min-height: 100vh;
    display: block;   
    padding:0 30px; 
    opacity: 1;
    position: fixed;
    left:270px;
    top: 0;
    right: 0;
    bottom:0;
    z-index:0;
    overflow-y: auto;
    overflow-x: hidden;
    transition: all 0.3s ease;
}
.section.back-section{
    z-index:1;
}
.section.active{
    z-index: 2;
    opacity: 1;
    animation:slideSection 1s ease;
}
@keyframes slideSection
{
    0%{
        transform:translateX(100%);
    }
    100%{
        transform:translateX(0);
    }
}
.hidden{
    display:none !important;
}
/* .main-content{
    padding-left: 270px;
} */
.padd-15{
    padding-left: 15px;
    padding-right: 15px;
}
.container{
    max-width: 1100px;
    /* background:red; */
    width: 100%;
    margin:auto;
}
.section .container{
    padding-top: 60px;
    padding-bottom: 70px;
}
.section-title{
    flex:0 0 100%;
    max-width:100%;
    margin-bottom: 60px;
}
.section-title h2{
    font-size: 40px;
    color:var(--text-black-900);
    font-weight: 700;
    position: relative;
}
.section-title h2::before{
    content:"";
    height:4px;
    width: 40px;
    background-color: var(--skin-color);
    position:absolute;
    top:100%;
    left:0;
}
.section-title h2::after{
    content:"";
    height:4px;
    width: 25px;
    background-color: var(--skin-color);
    position:absolute;
    top:100%;
    left:0;
    margin-top: 8px;
}
.row{
    display:flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
    position: relative;
}
.btn{
    font-size: 16px;
    font-weight: 500;
    padding:12px 35px;
    background: var(--skin-color);
    color:white;
    border-radius: 40px;
    display:inline-block;
    /* xác định cách thức xử lý các dấu khoảng trắng & xuống dòng trong phần tử. */
    white-space: nowrap;
    border:none;
    /* hiệu ứng chuyển đổi  */
    transition: all 0.3s ease;
}
.btn:hover{
    transform:scale(1.05);
}
.shadow-dark{
    box-shadow:  0 0 20px rgba(48, 46, 77, 0.15);
}
/* aside */
.aside{
    width: 270px;
    background: var(--bg-black-100);
    position: fixed;
    left:0;
    top: 0;
    padding:30px;
    height:100%;
    border-right: 1px solid var(--bg-black-50);
    z-index:10;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}
.aside .logo{
    position:absolute;
    top:50px;
    font-size: 30px;
    /* in hoa đầu mỗi chữ */
    text-transform: capitalize;
}
.aside .logo a{
    color:var(--text-black-900);
    /* độ đậm nhạt của font */
    font-weight: 700;
    padding:15px 20px;
    font-size: 30px;
    /* chỉnh độ rộng chữ cái trong 1 từ */
    letter-spacing: 5px;
    position: relative;
}
.aside .logo a span{
    font-family: 'Clicker Script', cursive;
    font-size: 40px;
}
.aside .logo a::before{
    content:"";
    position:absolute;
    width: 20px;
    height:20px;
    border-bottom: 5px solid var(--skin-color);
    border-left: 5px solid var(--skin-color);
    bottom:0px;
    left:0px;
}
.aside .logo a::after{
    content:"";
    position:absolute;
    width: 20px;
    height:20px;
    border-top: 5px solid var(--skin-color);
    border-right: 5px solid var(--skin-color);
    top:0px;
    right:0px;
}
.aside .nav-toggler{
    height:40px;
    width: 45px;
    border:1px solid var(--bg-black-50);
    cursor: pointer;
    position:fixed;
    left:300px;
    top:20px;
    border-radius: 5px;
    background: var(--bg-black-100);
    display:none;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}
.aside .nav-toggler span{
    height:2px;
    width: 18px;
    background:var(--skin-color);
    display:inline-block;
    position: relative;
    transition: all 0.3s ease;
}
.aside .nav-toggler.open span{
    background-color: transparent;
}
.aside .nav-toggler.open span::before{
    transform:rotate(45deg);
    top:0;
}
.aside .nav-toggler span::before{
    content:"";
    height:2px;
    width: 18px;
    background:var(--skin-color);
    display:inline-block;
    position: absolute;
    top:-6px;
    left:0px;
}
.aside .nav-toggler.open span::after{
    transform:rotate(-45deg);
    top:0;
}
.aside .nav-toggler span::after{
    content:"";
    height:2px;
    width: 18px;
    background:var(--skin-color);
    display:inline-block;
    position: absolute;
    top:6px;
    left:0px;
}
.aside .nav{
    margin-top: 50px;
}
.aside .nav li{
    margin-bottom: 20px;
    display:block;
}
.aside .nav li a{
    font-size: 16px;
    display:block;
    font-weight: 600;
    border-bottom: 1px solid var(--bg-black-50);
    color:var(--text-black-900);
    padding:5px 15px;
}
.aside .nav li a.active{
    color:var(--skin-color);
}
.aside .nav li a i{
    margin-right: 15px;
}
/* home */

.home{
    min-height: 100vh;
    display:flex;
    color:var(--text-black-900);
}
.home .home-info{
    flex:0 0 60%;
    max-width: 60%;
}
h3.hello{
    font-size: 28px;
    max-width:60%;
}
h3.hello span{
    font-family: 'Clicker Script', cursive;
    font-size: 30px;
    font-weight: 700;
    color:var(--skin-color);
}
h3.my-profession{
    font-size: 30px;
    margin: 15px 0;
}
.typing{
    color:var(--skin-color);
}
.home-info p{
    margin-bottom: 70px;
    font-size: 20px;
    color:var(--text-black-700);
}
.home .home-img{
    flex: 0 00 40%;
    max-width: 40%;
    height:400px;
    text-align: center;
    position: relative;
}
.home-img::after{
    content:"";
    position:absolute;
    height: 80px;
    width: 80px;
    border-bottom: 10px solid var(--skin-color);
    border-right: 10px solid var(--skin-color);
    right: 20px;
    bottom:-40px;
}
.home-img::before{
    content:"";
    position:absolute;
    height: 80px;
    width: 80px;
    border-top: 10px solid var(--skin-color);
    border-left: 10px solid var(--skin-color);
    top: -40px;
    left:20px;
}
.home .home-img .sub-home-img{
    height:375px;
    width: 62%;
    margin:auto;
    position: relative;
    display:flex;
    justify-content: center;
    align-items: center;
    overflow:hidden;
    border-radius: 5px;
    border:2px solid var(--bg-black-100);
}
.home .sub-home-img::before{
    content:"";
    position:absolute;
    width: 80px;
    height:140%;
    background:linear-gradient(#00ccff,#d400d4);
    animation:animate 30s linear infinite;
}
@keyframes animate{
    0%{
        transform:rotate(0deg);
    }
    100%{
        transform:rotate(360deg);
    }
}
.home .sub-home-img::after{
    /* content:"";
    position:absolute;
    background: rgba(0,0,0,0.5);
    width: 100%;
    height:360px;
    margin:auto;
    z-index: 11; */
} 

.home .sub-home-img:hover{
    /* border:4px solid #6be1e6;
    box-shadow: 0 0 20px #b4dce7; */
    cursor: pointer;
    transition: all 0.3s ease;
}
.home .sub-home-img:hover img{
    transition: all 0.3s ease;
    transform: scale(1.05);
}
.home .sub-home-img:hover.sub-home-img::after{
    content:"";
    position:absolute;
    background: rgba(0,0,0,0.5);
    width: 100%;
    height:375px;
    margin:auto;
    z-index: 11;
}
.home .sub-home-img:hover .sub-home-icon{
    display: flex;
    transition: all 0.3s ease;
}
.sub-home-icon{
    width:100%;
    height:400px;
    margin:auto;
    display:none;
    justify-content: center;
    align-items: center;
    z-index: 12;
}
.sub-home-icon i{
    font-size: 26px;
    color:red;
    padding:10px 10px;
    border-radius:25%;
    box-shadow: 0 0 20px rgb(243, 124, 124);
    margin:auto;

}


.home .home-img img{
    position:absolute;
    height:360px;
    margin:auto;
    border-radius: 5px;
    z-index:10;
}

/* about */
.about .about-content{
    max-width:100%;
    flex:0 0 100%;
}

.about .about-content .about-text{
    max-width:100%;
    flex:0 0 100%;
}
.about .about-content .about-text h3{
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
    color:var(--text-black-900);
}
.about .about-content .about-text h3 span{
    color:var(--skin-color);
}
.about .about-content .about-text{
    font-size: 16px;
    line-height: 25px;
    color:var(--text-black-700);
}

.about .about-content .personal-info{
    max-width:60%;
    flex:0 0 60%;
    margin-top: 40px;
}
.about .about-content .personal-info .info-item{
    flex:0 0 50%;
    max-width: 50%;
}
.about .about-content .personal-info .info-item p{
    font-weight: 600;
    padding:10px 0;
    font-size: 16px;
    color:var(--text-black-900);
    border-bottom:1px solid var(--bg-black-50);
}
.about .about-content .personal-info .info-item p span{
    font-weight: 400;
    color:var(--text-black-700);
    margin-left: 4px;
    display:inline-block;
}
.about .about-content .personal-info .buttons{
    margin-top: 30px;
}
.about .about-content .personal-info .buttons .btn{
    margin-top: 10px;
}
.about .about-content .skills,
.service .container .skills{
    max-width:40%;
    flex:0 0 40%;
    margin-top: 40px;
}
.about .about-content .skills .skill-item,
.service .container .skills .skill-item{
    flex:0 0 100%;
    max-width: 100%;
}
.about .about-content .skills .skill-item h5,
.service .container .skills .skill-item h5{
    line-height: 40px;
    font-weight: 600;
    font-size: 16px;
    color:var(--text-black-900);
    text-transform: capitalize;

}
.about .about-content .skills .skill-item .progress,
.service .container .skills .skill-item .progress{
    background-color: var(--bg-black-50);
    height:7px;
    border-radius: 4px;
    width:100%;
    position: relative;
}
.about .about-content .skills .skill-item,
.service .container .skills .skill-item{
    margin-bottom: 25px;
}
.about .about-content .skills .skill-item .progress .progress-in,
.service .container .skills .skill-item .progress .progress-in{
    position:absolute;
    left:0;
    top:0;
    height:100%;
    border-radius: 4px;
    background-color: var(--skin-color);
}
.about .about-content .skills .skill-item .skill-percent,
.service .container .skills .skill-item .skill-percent{
    position:absolute;
    right: 0;
    top:-40px;
    color:var(--text-black-900);
    font-weight: 400;
    line-height: 40px;
}
.about .about-content .education,
.about .about-content .experience{
    flex:0 0 50%;
    max-width: 50%;
    margin-top: 30px;   
}
.about .about-content h3.title{
    font-size: 24px;
    margin-bottom:30px;
    font-weight:700;
    color:var(--text-black-900);
}
.about .about-content .timeline-box{
    flex:0 0 100%;
    max-width: 100%;
}
.about .about-content .timeline{
    background: var(--bg-black-100);
    padding:30px 15px;
    border-radius: 10px;
    border:1px solid var(--bg-black-50);
    width: 100%;
    position: relative;
}
.about .about-content .timeline .timeline-item{
    position: relative;
    padding-left: 37px;
    padding-bottom: 50px;

}
.about .about-content .timeline .timeline-item:last-child{
    padding-bottom: 0;
}
.about .about-content .timeline .timeline-item::before{
    content:"";
    width: 1px;
    height:100%;
    position:absolute;
    left:7px;
    top:0;
    background-color: var(--skin-color);
}
.about .about-content .timeline .timeline-item .circle-dot{
    position:absolute;
    left:0;
    top:0;
    height:15px;
    width:15px;
    border-radius: 50%;
    background: var(--skin-color);
}
.about .about-content .timeline .timeline-date{
    font-weight: 400;
    font-size: 14px;
    margin-bottom: 12px;
    color:var(--text-black-700);
}
.about .about-content .timeline .timeline-date .fa{
    margin-right: 5px;
}
.about .about-content .timeline .timeline-title{
    font-weight: 700;
    font-size:18px;
    margin-bottom: 15px;
    text-transform: capitalize;
    color:var(--text-black-900);

}
.about .about-content .timeline .timeline-text{
    line-height:25px;
    font-size: 16px;
    /* sắp sếp nội dung các dòng có chiều rộng = nhau */
    text-align: justify;
    color:var(--text-black-700);
}
/* service */
.service .container{
    padding-bottom: 40px;
}
.service .service-item{
    margin-bottom: 30px;
    flex:0 0 33.333%;
    max-width:33.333%;
}

.service .service-item .service-item-inner{
    background: var(--bg-black-100);
    border:1px solid var(--bg-black-50);
    border-radius: 10px;
    padding:20px 15px;
    text-align: center;
    transition:all 0.3s ease;
}
.service .service-item .service-item-inner:hover{
    box-shadow: 0 0 20px rgba(48,46,77,0.15);
    cursor: pointer;
}
.service .service-item .service-item-inner .icon{
    height:60px;
    width: 60px;
    border-radius: 50%;
    display:block;
    margin: 0 auto 30px;
    text-align: center;
    transition: all 0.3s ease;
}
.service .service-item .service-item-inner .icon .fa{
    font-size: 25px;
    line-height:60px;
    color:var(--skin-color);
    transition: all 0.3s ease;
}
.service .service-item .service-item-inner .icon p{
    font-size: 16px;
    line-height:60px;
    color:var(--skin-color);
    transition: all 0.3s ease;
}
.service .service-item .service-item-inner:hover .icon{
    background: var(--skin-color);
    box-shadow: 0 0 20px rgb(236, 144, 144);
}
.service .service-item .service-item-inner:hover .icon .fa{
    font-size: 25px;
    color:#ffff;
}
.service .service-item .service-item-inner:hover .icon p{
    font-size: 16px;
    color:#ffff;
}
.service .service-item .service-item-inner h4{
    font-size: 18px;
    margin-bottom:15px;
    color:var(--text-black-900);
    font-weight: 700;
    text-transform: capitalize;
}
.service .service-item .service-item-inner p{
    font-size:16px;
    color:var(--text-black-700);
    line-height:25px;
}
.service .skill-order{
    display:none;
    justify-content:space-around;
    transition: all 0.3s ease;
}
/* .service .service-item .service-item-inner .percent{
    display:flex;
    justify-content: center;
    align-items: center;

}
.service .service-item .service-item-inner .percent svg{
    width: 150px;
    height: 150px;
    position: relative;
    transform:rotate(270deg);

}
.service .service-item .service-item-inner .percent svg circle{
    fill:transparent;
    stroke-width: 2;
    stroke:#191919;
    transform: translate(5px, 5px);
}    
.service .service-item .service-item-inner .percent svg circle:nth-child(2){
    stroke:var(--clr);
    stroke-dasharray: 440;
    stroke-dashoffset: calc(440 - (440 * var(--num) / 100)); 
}
.dot{
    position:relative;
    inset:5px;
    background:red;
    z-index: 10;
    transform:rotate(calc(3.6deg * var(--num)));
    animation: animationDot 2s linear forwards;
}
@keyframes animationDot{
    0%{
        transform:rotate(0deg);
    }
    100%{
        transform:rotate(calc(3.6deg * var(--num)));
    }
}
.dot::before{
    content:"";
    position:absolute;
    background-color: var(--clr);
    width:10px;
    height:10px;
    top:-5px;
    left:50%;
    transform:translateX(-50%);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--clr),
    0 0 30px var(--clr);
} */
/* portfolio */
.portfolio .portfolio-heading{
    flex:0 0 100%;
    max-width: 100%;
    margin-bottom: 40px;
}
.portfolio .portfolio-heading h2{
    color:var(--text-black-900);
    font-weight: 500;
}

.portfolio .portfolio-item{
    flex:0 0 33.333%;
    max-width:33.333%;
    margin-bottom: 30px;
}
.portfolio .portfolio-item-inner{
    border:6px solid var(--bg-black-100);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}
.portfolio .portfolio-item-inner:hover{
    transform:scale(1.1);
}
.portfolio .portfolio-item-inner .portfolio-img img{
    width: 100%;
    height: 165px;
    display:block;
    max-height: 200px;
}
/* contact */
.contact-title{
    color:var(--skin-color);
    text-align:center;
    font-size: 25px;
    margin-bottom:20px;
}
.contact-sub-title{
    color:var(--text-black-900);
    text-align:center;
    font-size: 15px;
    margin-bottom:60px;
}
.contact .contact-info-item{
    flex: 0 0 25%;
    max-width: 25%;
    text-align: center;
    margin-bottom: 60px;
}
.contact .contact-info-item .icon{
    display:inline-block;
}
.contact .contact-info-item .icon .fa{
    font-size:25px;
    color:var(--skin-color);
}
.contact .contact-info-item h4{
    font-size: 18px;
    font-weight: 700;
    color:var(--text-black-900);
    text-transform: capitalize;
    margin:15px 0 5px;
}
.contact .contact-info-item p{
    font-size: 16px;
    line-height:25px;
    color:var(--text-black-700);
    font-weight: 400;
}
.contact .contact-form{
    flex: 0 0 100%;
    max-width: 100%;
}
.contact .contact-form .col-6{
    flex:0 0 50%;
    max-width: 50%;
}
.contact .contact-form .col-12{
    flex:0 0 100%;
    max-width: 100%;
}
.contact .contact-form .form-item{
    margin-bottom:30px;
}
.contact .contact-form .form-item .form-control{
    width:100%;
    height:50px;
    border-radius: 25px;
    border:1px solid var(--bg-black-50);
    padding:10px 25px;
    font-size: 16px;
    color:var(--text-black-700);
    transition: all 0.3s ease;
    background:var(--bg-black-100);
}
.contact .contact-form .form-item .form-control:focus{
    box-shadow:  0 0 20px rgba(48, 46, 77, 0.15);
}

.contact .contact-form .form-item textarea.form-control{
    height:140px; 
}
.contact .contact-form .btn{
    height:50px;
    padding:0  50px;
}
@media (max-width:1199px){
    .section .container{
        padding-top: 70px;
    }
    .aside{
        left:-270px;
    }
    .aside.open{
        left:0;
    }
    .aside .nav-toggler{
        display:flex;
        left:30px;
    }
    .aside .nav-toggler.open{
        left:300px;
    }
    .section{
        left:0;
    }
    .section.open{
        left:270px;
    }
    .about .about-content .personal-info .info-item p span{
        display:block;
        margin-left: 0;
    }
}
@media(max-width:991px){
    
    .contact .contact-info-item,
    .portfolio .portfolio-item,
    .service .service-item{
        flex:0 0 50%;
        max-width: 50%;
    }

    .home .home-info{
        flex:0 0 100%;
        max-width: 100%;
    }
    .home .home-img{
        display:none;
    }
}
@media(max-width:767px)
{
    .service .service-item,
    .portfolio .portfolio-item,
    .contact .contact-info-item,
    .contact .contact-form .col-6,
    .about .about-content .education,
    .about .about-content .experience,
    .about .about-content .skills,
    .about .about-content .personal-info{
        flex:0 0 100%;
        max-width: 100%;
    }
}