/*------------------*\
#CUSTOM PROPERTTY
/*-------------------*/

:root{
    --saety-orange: hsl(25, 100%, 50%);
    --lavender-gray: hsl(230, 19%, 81%);
    --persian-rose: hsl(167, 80%, 37%);
    --red-crayola: hsl(162, 73%, 32%);
    --eerie-black: hsl(240, 6%, 10%);
    --light-gray: hsl(0, 0%, 80%);
    --cutured-2: hsl(210, 60%, 98%);
    --gray-web: hsl(220, 5%, 49%);
    --cultured: hsl(0, 0%, 93%);
    --black_10: hsla(0, 0%, 0%, 0.1);
    --black_5: hsla(0, 0%, 0%, 0.05);
    --white-1: hsl(0, 0%, 100%);
    --white-2: hsl(0, 14%, 98%);
    --black: hsl(0, 0%, 0%);

    /**
    * gradient color
    */

    --gradient: linear-gradient(to left top, var(--persian-rose), var(--safety-orange));

    /**
    * typography
    */

    --ff-roboto: 'Roboto', sans-serif;
    --ff-league-spartan: 'League Spartan', sans-serif;

    --fs-1: 1.5rem;
    --fs-2: 3rem;
    --fs-3: 2.1rem;
    --fs-4:1.7rem;
    --fs-5:1.4rem;
    --fs-6:1.3rem;

    --fw-700: 700;
    --fw-500: 500;

    /**
    * spacing
    */

    --section-padding: 60px;

    /**
    * shadow
    */

    --shadow-1: 06px 24px var(--black_5);
    --shadow-2: 0 2px 28px var(--black_10);

    /**
    * border radius
    */

    --radius-2: 2px;
    --radius-5: 5px;
    --radius-8: 8px;

    /**
    * transition
    */ 
    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease;
    --cubic-out: cubic-bezier(0.33s, 0.85, 0.4, 0.96);

}




/*------------------*\
#RESET
\*------------------*/


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

li { list-style: none; }

a {
    text-decoration: none;
    color: #007bff;
    display: inline;
}

img,
span,
time,
label,
input,
button,
textarea,
ion-icon {display: block; }

img { height: auto; }

input,
button,
textarea {
    background: none;
    border: none;
    font: inherit;
}

input,
textarea { width:100%; }

button { cursor: pointer; }

ion-icon { pointer-events: none; }

address { font-style: normal; }

html {
    font-family: var(--ff-roboto);
    color: var(--gray-web);
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--white-1);
    color: var(--gray-web);
    font-size: 1.6rem;
    line-height: 1.8;
}

::-webkit-scrollbar { width: 10px; }

::-webkit-scrollbar-track { background-color: hsl(0, 0%, 90%); }

::-webkit-scrollbar-thumb { background-color: hsl(0, 0%, 80%); }

::-webkit-scrollbar:hover { background-color: hsl(0, 0%, 70%); }

:focus-visible { outline-offset: 4px; }

/*------------------*\
#REUSED STYLE
\*-----------------*/

.container { padding-inline: 15px; }

.btn{
    max-width: max-content;
    color: var(--black);
    font-size: var(--fs-6);
    font-weight: var(--fw-700);
    padding: 10px 30px;
    border-radius: var(--radius-5);
    transition: var(--transition-1);
}

.btn-primary{
    background-image: var(--gradient);
    background-size: 1000%;
}

.btn-primary:is(:hover, :focus) { background-position: bottom right; }

.btn-secondary{
    background-color: var(--white-1);
    color: var(--eerie-black);
}

.btn-primary:is(:hover, :focus){
    background-color: var(--eerie-black);
    color: var(--white-1);
}

section { padding-block: var(--section-padding); }

.h1,
.h2,
.h3{
    color: var(--eerie-black);
    font-family: var(--ff-league-spartan);
    line-height: 1.2;
}

.h1 { font-size: var(--fs-1); }

.h2 { font-size: var(--fs-2); }

.h3 { font-size: var(--fs-3); }

.u-100 { width: 100%; }

.section-title,
.section-text { text-align: center; }

.section-text { font-size: var(--fs-6); }

.section-text { color: black;}

.grid-list {
    display: grid;
    gap: 30px;
}

.img-holder{
    aspect-ratio: var(--width) / var(--height);
    background-color: var(--light-gray);
}

.img-cover{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/*----------------*\
#HEADER
/*----------------*/

.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white-1);
    padding-block: 15px;
    border-block-end: 1px solid var(--cultured);
    z-index: 4;
    transition: var(--transition-1);
}

.header.active{ filter: drop-shadow(var(--shadow-2)); }

.header > .container{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo{
    font-family: var(--ff-league-spartan);
    color: var(--black);
    font-size: 3.5rem;
    font-weight: var(--fw-700);
    line-height: 1;
}

.nav-toggle-btn { font-size: 40px; }

.nav-toggle-btn.active .open,
.nav-toggle-btn .close { display: none; }

.nav-toggle-btn .open,
.nav-toggle-btn.active .close { display: block; }

.navbar{
    background-color: var(--white-1);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    max-width: calc(100%-30px);
    width: 100%;
    padding-inline: 0;
    border: 1px solid var(--cultured);
    transition: 0.3s var(--cubic-out);
    max-height: 0;
    visibility: hidden;
    overflow: hidden;
}

.navbar.active{
    max-height: 320px;
    visibility: visible;
    transition-duration: 0.5s;
}

.navbar-list{
    padding: 20px 15px;
    padding-block-start: 10px;
    opacity: 0;
    transition: var(--transition-1);
}

.navbar.active .navbar-list { opacity: 1; }

.navbar-link{
    color: var(--eerie-black);
    font-family: var(--ff-league-spartan);
    font-size: var(--fs-4);
    line-height: 1.2;
    padding-block: 8px;
    transition: var(--transition-1);
}

.navbar-link:is(:hover, :focus) { color: var(--red-crayola); }

.header .btn { margin-block-start: 10px; }


/*---------------*\
#HEO
/*---------------*/

.hero{
    padding-block-start: calc(var(--section-padding) + 50px);
    text-align: center;
}

.hero-content { margin-block-end: 30px; }

.hero-subtitle{
    color: var(--eerie-black);
    font-size: var(--fs-5);
    font-weight: var(--fw-500);
}

.hero-title { margin-block: 12px 8px; }

.hero-text { font-size: var(--fs-5); }

.hero .btn{
    margin-bottom: auto;
    margin-block-start: 20px;
}



/*--------------*\
#SERVICE
/*--------------*/

.service { background-color: var(--white-2); }

.service .section-text { margin-block: 5px 35px; }

.service-card{
    background-color: var(--white-1);
    padding: 20px 15px;
    border: 1px solid var(--platinum);
    border-radius: var(--radius-5);
    text-align: center;
    box-shadow: var(--shadow-1);
    transition: var(--transition-2);
}

.service-card:is(:hover, :focus-within) { transform: translateY(-10px); }

.service-card .card-icon{
    color: var(--white-1);
    font-size: 25px;
    max-width: max-content;
    margin-inline: auto;
    padding: 18px;
    border-radius: 50%;
}

.service-card .card-title { margin-block: 20px 8px; }

.service-card .card-text { font-size: var(--fs-6); }

/*---------------*\
#PROJECT
/*--------------*/

.project .section-text { margin-block: 5px 35px; }

.project-card{
    position: relative;
    border-radius: var(--radius-8);
    overflow: hidden;
}

.project-card::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--black);
    opacity: 0.5;
    transition: var(--transition-2);
}

.project-card:is(:hover, :focus-within)::after { opacity: 0.8; }

.project-card .card-content a{
    color: var(--white-1);
}

.project-card .card-content{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    z-index: 1;
    transition: var(--transition-2);
}

.project-card:is(:hover, :focus-within) .card-content { transform: translateY(-20px); }

.project-card .card-subtitle{
    color: var(--lavender-gray);
    font-size: var(--fs-4);
    line-height: 1;
}

.project-card .card-title{
    color: var(--white-1);
    margin-block: 12px 15px;
}

/*---------------*\
#ABOUT
/*--------------*/

.about { background-color: var(--white-2); }

.about-banner{
    position: relative;
    border-radius: var(--radius-5);
    overflow: hidden;
    margin-block-end: 25px;
}

.play-btn{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--white-1);
    color: var(--red-crayola);
    font-size: 32px;
    padding: 16px;
    border-radius: 50%;
    animation: pulse 1.5s ease-out infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 1px var(--white-1); }
    100% { box-shadow: 0 0 0 25px transparent; }
}

.about :is(.section-title, .section-text) { text-align: left; }

.about .section-title { margin-block-end: 5px; }

.about .section-text:not(:last-child) { margin-block-end: 18px; }

.about .h3 { margin-block-end: 8px; }

.about-list { margin-block: 15px 18px; }

.about-item{
    display: flex;
    align-items: flex-start;
    margin-block-start: 2px;
}

.about-item ion-icon{
    color: var(--red-crayola);
    flex-shrink: 0;
    margin-block-start: 2px;
}

.about:not(:last-child) { margin-block-end: 12px; }

/*---------------*\
#CTA
/*--------------*/

.cta{
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.cta::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: var(--gradient);
    opacity: 0.95;
    z-index: -1;
}

.cta,
.cta .section-title { color: var(--white-1); }

.cta .subtitle{
    font-size: var(--fs-6);
    font-weight: var(--fw-500);
    text-align: center;
}

.cta .section-title { margin-block: 12px 18px; }

.cta .btn { margin-inline: auto; }

/*---------------*\
#BLOG
/*--------------*/

.blog .section-text { margin-block: 5px 35px; }

.blog-card { background-color: var(--white-2); }

.blog-card .card-banner { overflow: hidden; }

.blog-card .card-banner img { transition: var(--transition-2); }

.blog-card:is(:hover, :focus-within) .card-banner img { transform: scale(1.05); }

.blog-card .card-content { padding: 15px; }

.blog-card .time{
    color: var(--red-crayola);
    font-size: var(--fs-6);
    line-height: 1;
    margin-block-end: 10px;
}

.blog-card .card-title { transition: var(--transition-1); }

.blog-card .card-title:is(:hover, :focus) { color: var(--red-crayola); }

/*---------------*\
#CONTACT
/*--------------*/

.contact { background-color: var(--white-2); }

.contact .section-text { margin-block: 5px 35px; }

.contact-form{
    background-color: var(--white-1);
    padding: 20px;
    border-radius: var(--radius-2);
    margin-block-end: 30px;
    box-shadow: var(--shadow-1);
}

.input-field{
    background-color: var(--white-1);
    padding: 20px;
    border-radius: var(--radius-2);
    margin-block-end: 30px;
    box-shadow: var(--shadow-1);
}

.input-field{
    background-color: var(--white-2);
    color: var(--eerie-black);
    font-size: var(--fs-5);
    padding: 15px;
    border-radius: var(--radius-2);
    outline: 1px solid transparent;
    outline-offset: 0;
    margin-block-end: 15px;
}

.input-field::webkit-inner-spin-button { display: none; }

.input-field:focus { outline-color: var(--red-crayola); }

.input-field::placeholder { transition: var(--transition-2); }

.input-field:focus::placeholder { opacity: 0; }

textarea .input-field{
    resize: vertical;
    min-height: 80px;
    height: 100px;
    max-height: 200px;
    overscroll-behavior: contain;
}

.checkbox{
    width: max-content;
    margin-block-start: 5px;
    accent-color: var(--red-crayola);
}

.label-link{
    display: inline-block;
    color: var(--red-crayola);
}

.label-link:is(:hover, :focus) { text-decoration: underline; }

.checkbox-wrapper{
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-block-end: 15px;
}

.checkbox-wrapper .label { font-size: var(--fs-6); }

.contact-list{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px 25px;
}

.contact-item { min-width: 100%; }

.contact-card{
    background-color: var(--white-1);
    padding: 20px;
    border-radius: var(--radius-2);
    box-shadow: var(--shadow-1);
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact .card-icon{
    background-color: var(--cultured-2);
    color: var(--red-crayola);
    font-size: 25px;
    padding: 13px;
    border-radius: 50%;
    transition: var(--transition-1);
}

.contact-card:is(:hover, :focus) .card-icon{
    background-color: var(--red-crayola);
    color: var(--white-1);
}

.contact-card .card-title { margin-block-end: 5px; }

.contact-card :is(.card-link, .card-address) {
    font-size: var(--fs-6);
    transition: var(--transition-1);
}

.contact-card .card-link:is(:hover, :focus) { color: var(--red-crayola); }

/*---------------*\
#FOOTER
/*--------------*/

.footer{
    background-color: var(--white-2);
    padding-block: 20px;
}

.copyright{
    font-size: var(--fs-6);
    text-align: center;
}

.copyright-link{
    color: var(--red-crayola);
    font-weight: var(--fw-500);
    display: inline-block;
}

/*---------------*\
#BACK TO TOP
/*--------------*/

.back-top-btn{
    position: fixed;
    bottom: 10px;
    right: 20px;
    background-color: var(--eerie-black);
    color: var(--white-1);
    padding: 12px;
    border-radius: 50%;
    box-shadow: var(--shadow-2);
    z-index: 0;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-1);
}

.back-top-btn.active{
    opacity: 1;
    visibility: visible;
    transform: translateY(-18px);
}

.back-top-btn:is(:hover, :focus) { opacity: 0.9; }

/*---------------*\
#MEDIA QUERIES
/*--------------*/

/**
    * responsive for larger than 575px screen
**/

@media (min-width: 575px) {
    /**
    * RESUSED STYLE
    **/

    .container{
        max-width: 540px;
        width: 100%;
        margin-inline: auto;
    }

    .grid-list{
        grid-template-columns: 1fr 1fr;
        column-gap: 25px;
    }

    /**
    * BLOG
    **/

    .blog .grid-list { grid-template-columns: 1fr; }

    .blog-card.grid{
        display: grid;
        grid-template-columns: 0.47fr 1fr;
        align-items: center;
        gap: 10px;
    }

    /**
    * CONTACT
    **/

    .input-wrapper{
        display: flex;
        gap: 15px;
    }

    .contact-item { min-width: calc(50% - 18px); }
}








/**
    * responsive for larger than 768px screen
**/

@media (min-width: 768px) {
    /**
    * CUSTOM PROPERTY
    **/

:root{

    /**
    * typography
    **/

    --fs-1: 4.5rem;
    --fs-2: 3.7rem;
    --fs-3: 2.3rem;
    --fs-4: 1.8rem;
    --fs-5: 1.5rem;
    --fs-6: 1.4rem;
}
    /**
    * RESUSED STYLE
    **/

    .container { max-width: 720px; }

    .section-text{
        max-width: 65ch;
        margin-inline: auto;
    }

    /**
    * HERO
    **/

    .hero-text{
     max-width: 65ch;   
     margin-inline: auto;
    }

    /**
    * ABOUT
    **/

    .about-banner { max-width: 550px; }

    .about .section-text{
        max-width: unset;
        margin-inline: 0;
    }

    /**
    * CONTACT
    **/

    .contact-form { padding: 30px; }

    .contact-item { min-width: calc(50% - 12.5px); }

}







/**
    * responsive for larger than 992px screen
**/

@media (min-width: 992px) {
    /**
    * CUSTOM PROPERTY
    **/

:root{

    /**
    * typography
    **/

    --fs-1: 5rem;
    --fs-2: 4rem;
    --fs-3: 2.5rem;

        /**
    * spacing
    **/

    --section-padding: 100px;

}
    /**
    * RESUSED STYLE
    **/

    .container { max-width: 960px; }

    .grid-list { grid-template-columns: repeat(3, 1fr); }

    /**
    * HEADER
    **/

    .nav-toggle-btn { display: none; }

    .navbar,
    .navabar.active { all: unset; }

    .navbar-list{
        all: unset;
        display: flex;
        align-items: center;
        gap: 30px;
    }

    .navabar-link { position: relative; }

    .navabar-link:is(:hover, :focus) { color: var
    (--eerie-black); }

    .navabar-link::after{
        content: "";
        position: absolute;
        bottom: 5px;
        left: 0;
        width: 100%;
        height: 2px;
        background-image: var(--gradient);
        transform: scaleX(0);
        transform-origin: left;
        transition: var(--transition-2);
    }

    .navabar-link:is(:hover, :focus)::after { transform: scaleX
    (1); }

    .header .btn { margin-block-start: 0; }

    /**
    * HERO
    **/

    .hero .container{
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 30px;
        text-align: left;
    }

    .hero-content { margin-block-end: 0; }

    .hero-subtitle{
        position: relative;
        padding-inline-start: 15px;
    }

    .hero-subtitle::before{
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 2px;
        height: 100%;
        background-color: var(--red-crayola);
    }

    .hero-text,
    .hero .btn { margin-inline: 0; }

    /**
    * SERVICE
    **/

    .service-card { padding: 20px; }

    .service-card .h3 { --fs-3: 2.3rem; }

    /**
    * PROJECT
    **/

    .project-card .card-subtitle { --fs-6: 1.5rem; }

    /**
    * ABOUT
    **/

    .about .container{
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 30px;
    }

    .about-banner { margin-block-end: 0; }

    /**
    * BLOG
    **/

    .blog .grid-list{
        grid-template-columns: 1fr 1fr;
        row-gap: 20px;
    }

    .blog .grid-list > li:first-child{
        grid-column: 1 / 2;
        grid-row: 1 / 5;
    }

    .blog-card:not(.grid) { height: 100%; }

    .blog-card .card-content { padding-block: 10px; }

    .blog-card:not(.grid) .card-content { padding: 25px; }

    .blog-card .h3 { --fs-3: 2rem; }

    .blog-card .time { --fs-6: 1.6rem; }


    /**
    * CONTACT
    **/

    .checkbox-wrapper { margin-block: 20px; }

    .contact-item { min-width: calc(33.33% - 16.66px); }

    .contact-card { padding: 30px; }

    .contact-card .contact-icon { font-size: 32px; }
}





/**
    * responsive for larger than 1200px screen
**/

@media (min-width: 1200px) {
    /**
    * CUSTOM PROPERTY
    **/

    :root{
        /**
        * typography
        **/

        --fs-1: 6.8rem;
        --fs-2: 4.5rem;
        --fs-4: 1.9rem;
        --fs-5: 1.6rem;
        --fs-6: 1.6rem;
    }

    /**
    * REUSED STYLE
    **/

    .container { max-width: 1140px; }

    .btn { --fs-6: 1.5rem; }

    /**
    * SERVICE
    **/

    .service-card { padding: 36px; }

    .service-card .h3 { --fs-3: 2.5rem }

    /**
    * PROJECT
    **/

    .project-card .card-content { padding: 30px; }

    .project-card .card-subtitle { --fs-6: 1.6rem; }

    /**
    * ABOUT
    **/

    .about .container { gap: 60px; }

    .about-item { gap: 7px; }

    .about-item ion-icon { font-size: 20px; }

    /**
    * CTA
    **/

    .cta .section-title { margin-block: 15px 24px; }

    /**
    * BLOG
    **/

    .blog-card .time { --fs-6: 1.6rem; }

    .blog-card.grid .h3 { --fs-3: 2.4rem; }

        /**
    * CONTACT
    **/

    .contact-form { padding: 50px; }

    .cntact-card { gap: 20px; }

    .contact-card .card-icon { padding: 15px; }
}