@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@500;600&family=Karla:wght@400;700&family=Poppins:wght@300;400;500;600&display=swap');

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

/*custom properties*/

:root{
    --ff-primary: 'poppins', sans-serif;
    --ff-secondary: 'poppins', monospace;

    --fw-reg:300;
    --fw-bold:700;

    --clr-light: #fff;
    --cl-dark: #303030;
    --clr-accent: #16e0bd;

    --fs-h1: 3rem;
    --fs-h2: 2.5rem;
    --fs-h3: 1.25rem;
    --fs-body: 1rem;

    --bs: 0.25em 0.25em 0.75em rgba(0, 0, 0, .25), 0.125em 0.125em 0.25em rgba(0, 0, 0, .15);
}


@media (min-width: 800px){
    :root{
        --fs-h1: 4.5rem;
        --fs-h2: 3.75rem;
        --fs-h3: 1.5rem;
        --fs-body: 1.25rem;
    }
}

html{
    scroll-behavior: smooth;
}

/*general style*/

body{
    background: var(--clr-light);
    color: var(--cl-dark);
    margin: 0;
    font-family: var(--ff-primary);
    font-size: var(--fs-body);
    line-height: 1.6;
}

.logo{
    max-width: 50px;
    padding-top: .80em;
}

section{
    padding: 5em 2em;
}

img{
    display: block;
    max-width: 100%;
}

strong{
    font-weight: var(--fw-bold);
    text-transform: capitalize;
}

/*Typography*/

h1,
h2,
h3{
    line-height: 1;
    margin: 0;
}

h1{
    font-size: var(--fs-h1);
}

h2{
    font-size: var(--fs-h2);
}

h3{
    font-size: var(--fs-h3);
}


.section__title{
    margin-bottom: .25em;
    text-transform: capitalize;
    }
    
    .section__subtitle--intro{
        font-weight: var(--fw-reg);
    }
    
    .section__subtitle--intro strong{
        display: block;
    }
    
    .section__subtitle{
        margin: 0;
        font-size: var(--fs-h3);
    }
    
    .section__subtitle--intro,
    .section__subtitle--about{
        background: var(--clr-accent);
        padding: .25em 1em;
        font-family: var(--ff-secondary);
        margin-bottom: 1em;
    }

    .section__subtitle--work{
        color: var(--clr-accent);
        font-weight: var(--fw-bold);
        margin: 1.2em 0;
    }
    
    .intro__img{
        width: 250px;
        height: 250px;
        margin: 0 auto;
        border-radius: 50%;
    }

    /* buttons */

.btn{
    display: inline-block;
    padding: .7em 2.5em;
    background: var(--cl-dark);
    color: var(--clr-light);
    text-decoration: none;
    cursor: pointer;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: var(--fw-bold);
    transition: all 200ms ease-in-out;
    }
    
    .btn:hover{
        background-color: rgba(0, 0, 0, 0.8);
    }

    /* nav section */

header{
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}


.main-container{
    background: var(--clr-light);
    box-shadow: var(--bs);
    transition: all 2s ease-in;
}

.logo--container{
    display: flex;
    justify-content: space-between;
}

.nav-toggle{
    font-size: 1.5em;
    padding: .80em;
    border: none;
    background: transparent;
    cursor: pointer;
    } 

    .nav{
        height: 0;
        overflow: hidden;
        transition: all 250ms ease-in;
    }

    .nav__item{
        list-style: none;
        padding-top: .30em;
        padding-left: 1em;
        padding-bottom: .30em;
        margin: .15em 0;
        text-transform: capitalize;
    }

    .show__links{
        height: 210px;
    }

    .nav__link{
        text-decoration: none;
        font-size: 1.2em;
        font-weight: 500;
        color: var(--cl-dark);
    }

    .nav__link:hover{
        text-decoration: underline;
        text-underline-offset: .25em;
    }

    @media (min-width: 600px){
    .nav-toggle{
        display: none;
    }


    .main-container{
        display: flex;
        justify-content: space-around;
    }

    .nav__list{
        display: flex;
        gap: .50em;
        justify-content: space-between;
    }

    .nav{
        display: block;
        transition: all 2s ease-in;
        overflow: visible;
        margin-bottom: 3em;
    }

    }

    /* introductory section */

    .section__subtitle--intro{
        background: none !important;
        padding: .25em 0 !important;
    }
    
    .section__title--intro{
        font-size: 2.5em;
        margin-top: .25em;
    }

    .intro__img{
        margin-top: 1.25em;
    }

    .intro{
        background-color: var(--cl-dark);
        background-image: url(../images/log.jpg);
        background-size: cover;
        background-blend-mode: multiply;
        background-repeat: no-repeat;
        color: var(--clr-light);
    }


    @media (min-width: 600px){
    .intro{
        display: grid;
        grid-template-columns: 60% 40%;
    }
    .section__subtitle--intro{
        max-width: 600px;
    }

    }

    /* About Me Section */

    .section__title--about{
        text-align: center;
    }

    .section__subtitle--about{
        text-align: center;
        background: var(--cl-dark);
        color: var(--clr-light);
    }

    .about-me{
        max-width: 0 auto;
        margin: 0 auto;
    }

    .about-me__body{
    padding: .80em;
    margin-bottom: .80em;
    }

    .about-me__img{
        padding-bottom: 1em;
        box-shadow: 18px 18px 0px rgba(0, 0, 0, 0.8);
        margin-bottom: 2em;
    }

    @media (min-width: 600px){
        .section__title--content{
            display: grid;
            grid-template-columns: 30% 35%;
            gap: 2.5em;
            justify-content: space-around;
            margin-top: 2.5em;
        }

        .about-me__img{
            margin-top: 2.25em;
            box-shadow: 18px 18px 0px rgba(0, 0, 0, .8);
            z-index: -1;
        }
    }

    /* my work */

    .my-work{
        background-color: var(--cl-dark);
        color: var(--clr-light);
        text-align: center;
    }
    
    .portfolio{
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: .25em;
    }
    
    .portfolio__item{
        background: var(--clr-accent);
        overflow: hidden;
    }
    
    .portfolio__img{
        transition: transform 750ms cubic-bezier(.5, 0, .5, 1),
        opacity 250ms linear;
    }
    
    .portfolio__item:focus{
        position: relative;
        z-index: 2;
    }
    
    .portfolio__img:hover,
    .portfolio__item:focus .portfolio__img{
        transform: scale(1.2);
        opacity: .5;
    }

    /* contact */

    .section__title--contact{
        text-align: center;
    }

    .my-contact--form--container{
        border-radius: 5px;
        padding: .5em;
        max-width: 400px;
        background: var(--clr-light);
        margin: 0 auto;
        margin-top: 2.5em;
    } 

    input[type=text],input[type=email],textarea{
        width: 100%;
        padding: .80em;
        display: inline-block;
        border: 1px solid #ccc;
        margin-top: .35em;
        margin-bottom: .35em;
        border-radius: .25em;
        outline: none;
    }

    ::placeholder{
        font-size: 1.2em;
    }

    textarea{
        resize: none;
    }

    textarea::placeholder{
        font-size: 1.4em;
    }

    .btn-form{
        width: 100%;
        background: rgba(0, 0, 0, .8);
        color: #fff;
    }

    .btn-form:hover{
        background: rgba(0, 0, 0, 1);
    }

    /* footer */

    .footer{
        background: #111;
        color: var(--clr-accent);
        text-align: center;
        padding: 2.5em 0;
        font-size: var(--fs-h3);
    }
    
    .footer a{
        color: inherit;
        text-decoration: none;
    }
    
    .footer__link{
        font-weight: var(--fw-bold);
    }
    
    .footer__link:hover,
    .social-list__link:hover{
        opacity: .7;
        cursor: pointer;
    }

    .footer__link:hover{
        text-decoration: underline;
    }
    
    .social-list{
        list-style: none;
        display: flex;
        justify-content: center;
        margin: 2em 0 0;
        padding: 0;
    }
    
    .social-list__item{
        margin: 0 .7em;
    }

    .social-list-copyright{
        margin-top: .30em;
        cursor: default;
    }

    .address{
        cursor: default;
    }

    .locate{
        margin: .50em .45em 0 0;
        /* margin-right: .45em; */
        color: red;
    }

    /* Alert */

    .alert {
        margin-bottom: 1rem;
        height: 2.25rem;
        text-align: center;
        font-size: 1.25rem;
        border-radius: 0.25rem;
        letter-spacing: .01em;  
        text-transform: capitalize;
        padding-top: .15em;
    }

    .alert-danger {
        color: #721c24;
        background: #f8d7da;
    }

    .alert-success {
        color: #155724;
        background: #d4edda;
    }