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

:root{

    /* Colors */

    --header-height: 3rem;
    --hue-color: 209;
    --first-color: hsl(var(--hue-color), 88%, 26.27%);
    --first-color-second: hsl(var(--hue-color), 88%, 33%);
    --first-color-alt: hsl(var(--hue-color), 57%, 53%);
    --first-color-lighter: hsl(var(--hue-color), 92%, 85%);
    --title-color: hsl(var(--hue-color), 8%, 15%);
    --text-color: hsl(var(--hue-color), 8%, 45%);
    --text-color-light: hsl(var(--hue-color), 8%, 65%);
    --input-color: hsl(var(--hue-color), 70%, 96%);
    --body-color: hsl(var(--hue-color), 60%, 90%);
    --container-color: #FFF;
    --scroll-bar-color: hsl(var(--hue-color), 12%, 90%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 80%);


    /* Font-style */

    --body-font: 'Poppins', sans-serif;

    /* Font-size */

    --big-font-size: 2rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /* Font-weight */
    --font-medium: 500;
    --font-semi-bold: 600;

    /* Margin-bottom */

    --mb-0-25: .25rem;
    --mb-0-5: .5rem;
    --mb-0-75: .75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    /* Z-index */
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;

    /* Font size for large devices */

    @media screen and (min-width: 968px) {
        :root{
            --big-font-size: 3rem;
            --h1-font-size: 2.25rem;
            --h2-font-size: 1.5rem;
            --h3-font-size: 1.25rem;
            --normal-font-size: 1rem;
            --small-font-size: .875rem;
            --smaller-font-size: 813rem;
        }
    }

}

/* Variable Dark theme */

body.dark-theme{
    --first-color-second: hsl(var(--hue-color), 30%,8%);
    --title-color: hsl(var(--hue-color), 8%, 95%);
    --text-color: hsl(var(--hue-color), 8%, 75%);
    --input-color: hsl(var(--hue-color), 29%, 16%);
    --body-color: hsl(var(--hue-color), 28%, 12%);
    --container-color: hsl(var(--hue-color), 29%, 16%);
    --scroll-bar-color: hsl(var(--hue-color), 12%, 48%);
    --scroll-thumb-color: hsl(var(--hue-color), 12%, 36%);
}

/* Button Dark/Light */

.nav_btns{
    display: flex;
    align-items: center;
}

.change-theme{
    font-size: 1.5rem;
    color: var(--first-color);
    margin-right: var(--mb-1);
    cursor: pointer;
}

/* Base */

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

html{
    scroll-behavior: smooth;
}

body{
    margin: 0 0 var(--header-height) 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size); 
    background-color: var(--body-color);
    color: var(--text-color);
}

h1,h2,h3,h4{
    color: var(--title-color);
    font-weight: var(--font-semi-bold);   
}

ul{
    list-style: none;
}

a{
    text-decoration: none;
}

img{
    max-width: 100%;
    height: auto;
}


/* Reusable CSS classes */

.section{
    padding: 2rem 0 4rem;
}

.section_title{
    font-size: var(--h1-font-size);
}

.section_subtitle{
    display: block;
    font-size: var(--small-font-size);
    margin-bottom: var(--mb-3);
}

.section_title,
.section_subtitle{
    text-align: center;
}

/* Layout */

.container{
    max-width: 768px;
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
}

.grid{
    display: grid;
    gap:1.5rem;
}

.header{
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
    background-color: var(--body-color);
}

.nav{
    max-width: 968px;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav_logo,
.nav_toggle{
    color: var(--first-color);
    font-weight: var(--font-medium);
}

.nav_logo:hover{
    color: var(--first-color-alt);
}

.nav_toggle{
    font-size: 1.1rem;
    cursor: pointer;
}

.nav_toggle:hover{
    color: var(--first-color);
}

@media screen and (max-width:767px) {  
    .nav_menu{
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--body-color);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, .15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: .3s;
    }
}

.nav_list{
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.nav_link{
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

.nav_link:hover{
    color: var(--first-color);
}

.nav_icon{
    font-size: 2rem;
}

.nav_close{
    position: absolute;
    right: 1.3rem;
    bottom: 0.5rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--first-color);
}

.nav_close:hover{
    color: var(--first-color-alt);
}

/* Show menu */

.show-menu{
    bottom: 0;
}

/* Active Link */

.active-link{
    color: var(--first-color);
}

/* Change Background Header */

.scroll-header{
    box-shadow: 0 -1px 4px rgba(0, 0, 0, .15);
}

/* HOME */

.home_container{
    gap:1rem;
}

.home_content{
    grid-template-columns: .5fr 3fr;
    padding-top: 3.5 rem;
    align-items: center;
}

.home_social{
    display: grid;
    grid-template-columns: max-content;
    row-gap:1rem;
}

.home_social-icon{
    font-size: 1.25rem;
    color: var(--first-color);
}

.home_social-icon:hover{
    color: var(--first-color-alt);
}

.home_blob,
.home_blob-img{
    width: 200px;
}

.home_data{
    grid-column: 1/3;
}

.home_title{
    font-size: var(--big-font-size);
}

.home_subtitle{
    font-size: var(--h3-font-size);
    color: var(--text-color);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-0-75);
}

.home_description{
    margin-bottom: var(--mb-2);
}

.home_scroll{
    display:none;
}

.home_scroll-button{
    color: var(--first-color);
    transition: .3s;
}

.home_scroll-button:hover{
    transform: translateY(0.25rem);
}

.home_scroll-mouse{
    font-size: 2rem;
}

.home_scroll-name{
    font-size: var(--small-font-size);
    color: var(--title-color);
    font-weight: var(--font-medium);
    margin-right: var(--mb-0-25);
}

.home_scroll-arrow{
    font-size: 1.25rem;   
}

/* BUTTONS */

.button{
    display: inline-block;
    background-color: var(--first-color);
    color: #FFF;
    padding: 1rem;
    border-radius: .5rem;
    font-weight: var(--font-medium);
}

.button:hover{
    background-color: var(--first-color-alt);
}

.button_icon{
    font-size: 1.25rem;
    margin-left: var(--mb-0-5);
    transition: .3s;
}

.button-flex{
    display: inline-flex;
    align-items: center;
}

.button-small{
    padding: .75rem 1rem;
}

.button-link{
    padding: 0;
    background-color: transparent;
    color: var(--first-color);
}

.button-link:hover{
    background-color: transparent;
    color: var(--first-color-alt);
}

/* ABOUT */

.about_img{
    width: 200px;
    border-radius: .5rem;
    justify-self: center;
    align-self: center;
}

.about_description{
    text-align: center;
    margin-bottom: var(--mb-2-5);
}

.about_info{
    display: flex;
    justify-content: space-evenly;
    margin-bottom: var(--mb-2-5);
}

.about_info-title{
    font-size: var(--h2-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
}

.about_info-name{
    font-size: var(--smaller-font-size);
}

.about_info-title,
.about_info-name{
    display: block;
    text-align: center;
}

.about_buttons{
    display: flex;
    justify-content: center;
}


/* SERVICES */

.services_container{
    gap:1.5rem;
    grid-template-columns: repeat(2, 1fr);
}

.services_content{
    position: relative;
    background-color: var(--container-color);
    padding: 3.5rem .5rem 1.25rem 1.5rem;
    border-radius: .25rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .15);
    transition: .3s;
}

.services_content:hover{
    box-shadow: 0 4px 8px rgba(0, 0, 0, .15);
}

.services_icon{
    display: block;
    font-size: 1.5rem;
    color: var(--first-color);
    margin-bottom: var(--mb-1);
}

.servces_title{
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    font-weight: var(--font-medium);
}

.services_button{
    cursor: pointer;
    font-size: var(--small-font-size);
}

.services_button:hover .button_icon{
    transform: translateX(.25rem);
}

.services_modal{
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, .5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
}

.services_modal-content{
    position: relative;
    background-color: var(--container-color);
    padding: 1.5rem;
    border-radius: .5rem;
}

.services_modal-services{
    row-gap: 1rem;
}

.services_modal-service{
    display: flex;
}

.services_modal-title{
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
    margin-bottom: var(--mb-1-5);
}

.services_modal-close{
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    color: var(--first-color);
    cursor: pointer;
}

.services_modal-icon{
    columns: var(--first-color);
    margin-right: var(--mb-0-25);
}

/* ACTIVE MODAL */

.active-modal{
    opacity: 1;
    visibility: visible;
}

/* CONTACT */

.contact_container{
    row-gap: 3rem;
    justify-content: center;
}

.contact_information{
    display: flex;
    margin-bottom: var(--mb-2);
}

.contact_icon{
    font-size: 2rem;
    color: var(--first-color);
    margin-bottom: var(--mb-0-75);
}

.contact_title{
    font-size: var(--h3-font-size);
    font-weight: var(--font-medium);
}

.contact_subtitle{
    font-size: var(--small-font-size);
    color: var(--text-color-light);
}

/* FOOTER */

.footer{
    padding-top: 2rem;
}

.footer_container{
    row-gap: 3.5rem;
}

.footer_bg{
    background-color: var(--first-color-second);
    padding: 2rem 0 3rem;
}

.footer_title{
    font-size: var(--h1-font-size);
    margin-bottom: var(--mb-0-25);
}

.footer_subtitle{
    font-size: var(--small-font-size);
}

.footer_links{
    display: flex;
    flex-direction: column;
    row-gap: 1.5rem;
}

.footer_link:hover{
    color: var(--first-color-lighter);
}

.footer_social{
    font-size: 1.5rem;
    margin-right: var(--mb-2);
}

.footer_social:hover{
    color: var(--first-color-lighter);
}

.footer_copy{
    font-size: var(--smaller-font-size);
    text-align: center;
    color: var(--text-color-light);
    margin-top: var(--mb-3);
}

.footer_title,
.footer_subtitle,
.footer_link,
.footer_social{
    color: #FFF;
}

/* Scroll up */

.scrollup{
    position: fixed;
    right: 1rem;
    bottom: -20%;
    background-color: transparent;
    opacity: .8;
    padding: 0 .3rem;
    border-radius: .4rem;
    z-index: var(--z-tooltip);
    transition: .4s;
}

.scrollup:hover{
    color: var(--first-color-alt);
}

.scrollup_icon{
    font-size: 2rem;
    color: var(--first-color);
}

/* SHOW SCROLL */

.show-scroll{
    bottom: 5rem;
}

/* SCROLL BAR */
::-webkit-scrollbar{
    width: .60rem;
    background-color: var(--scroll-bar-color);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb{
    background-color: var(--scroll-thumb-color);
    border-radius: .5rem;
}

/* MEDIA QUERIES */

/* For small devices */

@media screen and (max-width: 350px) {
    .container{
        margin-left: var(--mb-1);
        margin-right: var(--mb-1);
    }

    .nav_menu{
        padding: 2rem .25rem 4rem;
    }

    .nav_list{
        column-gap: 0;
    }

    .home_content{
        grid-template-columns: .25fr 3fr;
    }

    .home_blob{
        width: 180px;
    }

    .services_container{
        grid-template-columns: max-content;
        justify-content: center;
    }

    .services_content{
        padding-right: 3.5rem;
    }

    .services_modal{
        padding: 0 .5rem;
    }

    .contact_container,
    .footer_container{
        grid-template-columns: max-content;
        justify-content: center;
    }

}

/* For medium devices */

@media screen and (min-width:568px) {
    .home_content{
        grid-template-columns: max-content 1fr 1fr;
    }

    .home_data{
        grid-column: initial;
    }

    .home_img{
        order: 1;
        justify-self: center;
    }

    .about_container{
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact_container,
    .footer_container{
        grid-template-columns: max-content;
        justify-content: center;
    }
}

@media screen and (min-width: 768px) {
    .container{
        margin-right: auto;
        margin-left: auto;
    }

    body{
        margin: 0;
    }

    .section{
        padding: 6rem 0 2rem;
    }

    .section_subtitle{
        margin: 4rem;
    }

    .header{
        top: 0;
        bottom: initial;
    }

    .header,
    .main,
    .footer_container{
        padding: 0 1rem;
    }

    .nav{
        height: calc(var(--header-height) + 1.5rem);
        column-gap: 1rem;
    }

    .nav_icon,
    .nav_close,
    .nav_toggle{
        display: none;
    }

    .nav_list{
        display: flex;
        column-gap: 2rem;
    }

    .nav_menu{
        margin-left: auto;
    }

    .change-theme{
        margin: 0;
    }

    .home_container{
        row-gap: 5rem;
    }

    .home_content{
        padding-top: 5.5rem;
        column-gap: 2rem;
    }

    .home_blob{
        width: 270px;
    }

    .home_scroll{
        display: block;
    }

    .home_scroll-button{
        margin-left: 3rem;
    }

    .about_container{
        column-gap: 5rem;
    }

    .about_img{
        width: 350px;
    }

    .about_description{
        text-align: initial;
    }

    .about_info{
        justify-content: space-between;
    }

    .services_container{
        grid-template-columns: repeat(3, 218px);
        justify-content: center;
    }

    .services_icon{
        font-size: 2rem;
    }

    .services_content{
        padding: 6rem  2rem 2.5rem;
    }

    .services_modal-content{
        width: 450px;
    }
    
    .footer_bg{
        padding: 3rem 0 3.5rem;
    }
}

/* For large devices */

@media screen and (min-width:1024px) {
    .header,
    .main,
    .footer_container{
        padding: 0;
    }

    .home_blob{
        width: 300px;
    }

    .home_social{
        transform: translateX(-6rem);
    }

    .services_container{
        grid-template-columns: repeat(3,245px);
    }
}