:root{
/* colors */
--safety-orange:hsl(25,100%,50%);
--levandar-gray:hsl(230,19%,81%);
--persian-rose:hsl(328,100%,59%);
--red-crayola:hsl(341,100%,49%);
--eeria-black:hsl(240,6%,10%);
--light-gray:hsl(0,0%,80%);
--cultured-2:hsl(210,60%,98%);
--platinum:hsl(0,0%,90%);
--gray-wave: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));
/* typograpy */
--ff-roboto:'Roboto',sans-serif;
--ff-league-spartan:'League Spartan',sans-serif;
--fs-1:3.5rem;
--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-1:0 6px 24px var(--black_5);
--shadow-2:0 2px 28px var(--black_10);
/* border-radius */
--radius-2:2px;
--radius-5:5px;
--radius-8:8px;
--radius-16:16px;
--radius-4:4px;
/* transition */
--transition-1: 0.25s ease;
--transition-2: 0.5s ease;
--cubic-out: cubic-bezier(0.33,0.85,0.4,0.96);
}

*,
*::before,
*::after{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
   
}
li{ list-style: none;}
a{
    text-decoration: none;
    color: inherit;
}
a,img,span,time,label,input,button,textarea,i{ display: block;}
img{height: auto;}
input,button,textarea{
    background: none;
    border: none;
    font: inherit;
}
input,textarea{ width: 100%;}
button{cursor: pointer;}
i{pointer-events:none;}
address{font-style: normal;}
html{
    font-family: var(--ff-roboto);
    font-size: 10px;
    scroll-behavior: smooth;
}
body{
    background-color: var(--white-1);
    color: var(--gray-wave);
    font-size: 1.6rem;
    line-height: 1.8;
   
}
::-webkit-scrollbar{width: 10px;}
::-webkit-scrollbar-track{background-color: hsl(0,0%,98%);}
::-webkit-scrollbar-thumb{background-color: hsl(0,0%,80%);}
::-webkit-scrollbar-thumb:hover{background-color: hsl(0,0%,70%);}
:focus-visible{outline-offset: 4px;}
/* reused style */
.container{padding-inline: 15px;  overflow: hidden;}
.btn{
    font-family: var(--ff-league-spartan);
    max-width: max-content;
    color: var(--white-1);
    font-size: var(--fs-5);
    font-weight: var(--fw-700);
    padding: 10px 30px;
    border-radius:var(--radius-16) var(--radius-4);
    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(--eeria-black);
}
.btn-secondary:is(:hover, :focus) {
    background-color: var(--eeria-black);
    color: var(--white-1);
}
.section{
    padding-block: var(--section-padding);
}
.h1,
.h2,
.h3{
    color: var(--eeria-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);
}
.w-100{
    width: 100%;
}
.section-title,
.section-text{text-align: center;}

.section-title .span{
    display: inline-block;
    color: var(--safety-orange);
}

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

.grid-list{
    display: grid;
    gap: 30px;
}
.grid-list1 li{
  
   margin-bottom: 3rem;
}
.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: 2.5rem;
    font-weight: var(--fw-700);
    line-height: 1;
}
.logo .span1{
    display: inline-block;
    color: var(--safety-orange);
}
.nav-toggle-btn{font-size: 30px;color: var(--red-crayola);}
.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);
    min-height: 0;
    visibility: hidden;
    overflow: hidden;
}
.navbar.active{
    max-height: 350px;
    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(--eeria-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;}
/* hero */
.has-bg-image{
    background-repeat: no-repeat;
    background-size: cover;
    /* background-position: center; */
    position: relative;
  
  }
  
.hero{
    padding-block: calc(var(--section-padding) + 50px);
    text-align: center;
}
.hero-content{
    margin-block-end: 30px;
}
.hero-subtitle{
    color: var(--eeria-black);
    font-size: var(--fs-5);
    font-weight: var(--fw-500);
}
.hero-title{
    margin-block: 12px 8px;
}
.hero-title .span{
    display: inline-block;
    color: var(--safety-orange);
    }
.hero-text{
    font-size: var(--fs-5);
}
.hero .btn{
    margin-inline: auto;
    margin-block-start: 20px;
}
.hero-banner{
    animation:  rotate 20s linear infinite;
  
}
@keyframes rotate {
    from{
        transform: rotate(360deg);
       
    }
    to{
        transform: rotate(0deg);
       
    }
}
/* service */

.service .service-text{margin-block: 5px 35px;}
.service-card{
    background-color:var(--white-1) ;
    padding: 20px 15px;
    border: 1px solid var(--platinum);
    border-radius: 45px 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%;
    line-height: 1;
}
.service-card .card-title{ margin-block: 20px 8px; }
.service-card .card-text{ font-size: var(--fs-6);}
/* project */
.project{ background-color: var(--white-2);}
.project .section-text{margin-block: 5px 35px;}
.project-card{
    position: relative;
    border-radius: 45px var(--radius-5);
    overflow: hidden;
}
.project-card::after{
    content: " ";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--black);
    opacity: 0.3;
    transition: var(--transition-2);
}
.project-card:is(:hover,:focus-within)::after{opacity: 0.5;}

.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(--levandar-gray);
    font-size: var(--fs-6);
    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;
    line-height:1;
    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;
    gap: 5px;
}
.about-item i{
    color: var(--red-crayola);
    flex-shrink: 0;
    margin-block-start: 2px;
}
.about-item: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-subtitle,
.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 .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-within) {color: var(--red-crayola);}

/* contact */
.contact { background-image: url('image/hero-banner1.jpg');background-repeat: no-repeat;background-attachment: fixed;background-size: cover;}
.contact .section-text { margin-block:5px 35px;}

.contact-form{
    background-color: var(--white-1);
    padding: 20px;
    border-radius: var(--radius-2);
    box-shadow: var(--shadow-1);
    margin-block-end:30px;
}
.input-field{
    background-color: var(--white-2);
    color: var(--eeria-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-1);}
.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 .card-icon{
    background-color: var(--cultured-2);
    color: var(--red-crayola);
    font-size: 25px;
    padding: 13px;
    border-radius: 50%;
    transition: var(--transition-1);
    line-height: 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 .card-title .span{
    display: inline-block;
    color: var(--safety-orange);
}

.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);}

/* desc */

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

.desc :is(.section-title, .section-text){text-align: left;}
.desc .section-title{
    margin-block-end: 5px;
}
.desc .section-text:not(:last-child){margin-block-end: 18px;}
.desc .h3{
    margin-block-end: 8px;
}
.desc-list{
    margin-block: 15px 18px;
}
.desc-item{
    display: flex;
    align-items: flex-start;
    gap: 5px;
}
.desc-item i{
    color: var(--red-crayola);
    flex-shrink: 0;
    margin-block-start: 2px;
    animation: fade-in 2s  infinite;
}
@keyframes fade-in {
    0%{opacity: 1;transform: scale(1);}
    50%{opacity: 0.8;transform: scale(1.4);}
    100%{transform: scale(1);opacity: 1;}
}
.desc-item:not(:last-child){margin-block-end: 12px;}

/* review */
.review { background-image: url('image/review-bg.jpg');background-repeat: no-repeat;background-attachment: fixed;background-size: cover;}
.review .review-text{margin-block: 5px 35px;}
.review-card{
    background-color:var(--white-1) ;
    padding: 20px 15px;
    border: 1px solid var(--platinum);
    border-radius: 45px var(--radius-5);
    text-align: center;
    box-shadow: var(--shadow-1);
   
}

.review-card .card-text:is(:hover, :focus-within) {transform: scale(1.09);}


.review-card .card-title{ margin-block: 20px 8px; }
.review-card .card-text{ font-size: var(--fs-6); transition: var(--transition-2);}

/* footer */
.footer{
    background: var(--gradient);
    padding-block: 20px;
}
.copyright{
    font-size: var(--fs-6);
    text-align: center;
    color: var(--white-2);
}
.copyright-link{
    color: var(--eeria-black);
    font-weight: var(--fw-500);
    display: inline-block;
}

/* back to top */
.back-top-btn{
    position: fixed;
    bottom: 10px;
    right: 20px;
    background-color: var(--eeria-black);
    color: var(--white-1);
    padding: 12px;
    border-radius: 50%;
    box-shadow: var(--shadow-2);
    z-index: 4;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-1);
    line-height: 1;
    animation: pulse1 1.5s ease-out infinite;
}
@keyframes pulse1 {
    0%{box-shadow: 0 0 0 1px var(--eeria-black);}
    100%{
        box-shadow: 0 0 0 25px transparent;
    }
}
.back-top-btn.active{
    opacity: 1;
    visibility: visible;
    transform: translateY(-10px);
}

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

/* document */

.document .document-text{margin-block: 5px 35px;}
.document-card{
    background-color:var(--white-1) ;
    padding: 20px 15px;
    border: 1px solid var(--platinum);
    border-radius: 45px var(--radius-5);
    box-shadow: var(--shadow-1);
    transition: var(--transition-2);
}
.document-card:is(:hover, :focus-within) {transform: translateY(-10px);}

.document-card .h3{color: var(--red-crayola);}
.document-card .card-title{ margin-block: 20px 8px; }
.document-card .card-text{ font-size: var(--fs-6);}

/* responsive  for larger 575px screen*/
@media(min-width:575px)
{
    /* reuse 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);
    }
    /* document */
    .grid-list1{
        grid-template-columns: 1fr;
        column-gap: 25px;
    }
}

/* responsive  for larger 768px screen*/
@media(min-width:768px)
{
    /*  custom property */
    :root{
        --fs-1:4.5rem;
        --fs-2:3.7rem;
        --fs-3:2.3rem;
        --fs-4:1.8rem;
        --fs-5:1.5rem;
        --fs-6:1.4rem;
    }
      /* reuse style */
      .container{
        max-width: 720px;
      }
      .section-text{
        max-width: 65ch;
        margin-inline:auto;
      }
       /* hero */
      .hero-text{
        max-width:60ch;
        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);
       }
         /* desc */
      .desc-banner{
        max-width: 550px;
      }
      .desc .section-text{
        max-width: unset;
        margin-inline: 0;
      }
}

/* responsive  for larger 992px screen*/
@media(min-width:992px)
{
    /*  custom property */
    :root{
        --fs-1:5rem;
        --fs-2:4rem;
        --fs-3:2.5rem;
        /* spacing */
        --section-padding:100px;
    }
      /* reuse style */
      .container{
        max-width: 960px;
      }
      .grid-list{
        grid-template-columns:repeat(3,1fr);
      } 
      .grid-list1{
        grid-template-columns:1fr;
      }
      /* header */
      .nav-toggle-btn{
        display: none;
      }
      .navbar,
      .navbar.active{all: unset;}

      .navbar-list{
        all:unset;
        display: flex;
        justify-content: center;
        gap: 30px;
    }
    .navbar-link{
        position: relative;
    }
    .navbar-link:is(:hover, :focus) {color: var(--eeria-black);}
    .navbar-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);
    }
    .navbar-link:is(:hover, :focus)::after{transform: scaleX(1);}
    .header .btn{margin-block-start: 0px;
    }
    /* 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.grid .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 .card-icon{ font-size: 32px;}

    /* desc */
    .desc .container{
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 30px;
    }
    .desc-banner{ margin-block-end: 0;}

     /* review */
     .review-card{ padding: 20px;}
     .review-card .h3{--fs-3:2.3rem;}

     /* document */
    .document-card{ padding: 20px;}
    .document-card .h3{--fs-3:2.3rem;}
}

/* responsive  for larger 992px screen*/
@media(min-width:1200px)
{
    /*  custom property */
    :root{
        --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: 30px;}
    .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.about-item {gap: 7px;}
    .about-item .fas{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;}
      .contact-card{gap: 20px;}
      .contact-card .card-icon {padding: 15px;}
     /* desc */
     .desc .container{ gap:60px;}

     .desc.desc-item {gap: 7px;}
     .desc-item .fas{font-size: 20px;}

     /* review */
    .review-card{padding: 30px;}
    .review-card .h3{ --fs-3:2.5rem;}

    /* document */
    .document-card{padding: 30px;}
    .document-card .h3{ --fs-3:2.5rem;color: var(--red-crayola);}
}