*{
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}

:root {
    --color-primary: #636dff;
    --color-success: #00bf8e;
    --color-warning: #f7c94b;
    --color-danger : #f75842;
    --color-danger-variant: rgba(247, 88, 66, 0.4);
    --color-white: #fff;
    --color-light : rgba(255, 255, 255, 0.7);
    --color-black: #000;
    --color-bg: #1f2641;
    --color-bg1: #2e3267;
    --color-bg2: #424890;

    --bottom-section-padding :12rem;
    --bottom-section-padding-mobile:8rem;


    --container-width: 84%;
    --container-width-tablet: 90%;
    --container-width-pone: 94%;

    --transition: all 400ms ease;
}

html {
    scroll-behavior: smooth;
}
body {
    font-family: "Montserrat", sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

section {
    padding: 3rem;
}

section h2 {
    text-align:center;
    margin-bottom: 2rem;
}

h1,
 h2, 
 h3, 
 h4, 
 h5 {
    line-height: 1.2;
}

h1 {
font-size: 2.4rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.6rem;
}

h4 {
    font-size: 1.3rem;
}


.lead {
    width: 100%;
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.5;
    margin: 1.5rem auto 3rem
}
a {
    color: var(--color-white);
}

img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.btn {
    display: inline-block;
    background: var(--color-white);
    color: var(--color-black);
    padding: 1rem 2rem;
    border: 1px solid transparent;
    font-family: 500;
    transition: var(--transition);
}

.btn:hover {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-primary {
    background: var(--color-danger);
    color: var(--color-white);
}

/*============== Navbar ==========*/
nav {
    background: transparent;
    width: 100vw;
    height: 5rem;
    position: fixed;
    top: 0;
    z-index: 11;
}

/*========================== Start change navbar style on scroll using javascript=================*/
.window-scroll {
    background: var(--color-primary);
    box-shadow: 0 1rem 2rem rgb(0, 0, 0.2);
}

/*========================= Endchange navbar style on scroll using javascript =================*/

/*================Start of nav bar========*/

.nav_container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

nav button {
    display: none;
}

.nav_menu {
    display: flex;
    align-items: center;
    gap: 4rem;
}
.nav_menu a {
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav_menu a:hover {
    color: var(--color-bg2);
}

/*================end  of nav bar========*/


/*============== Header ==========*/
header {
    position: relative;
    top: 5rem;
    overflow: hidden;
    height: 70vh;
    margin-bottom: 5rem;
}

.header_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 5rem;
    height: 100%;
}
.header_left p{
    margin: 1rem 0 2.4rem;
}

/*================Categories section ========*/
.categories  {
    background: var(--color-bg1);
    text-align: left;

}

.categories h1 {
 line-height: 1;
 margin-bottom: 3rem;
}

.categories_contianer {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 4rem;
}

.categories_left {
    margin-right: 2rem;
}

.categories_left p {
    margin: 1rem 0 3rem;
}

.categories_right {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
     margin-right: 2rem;
}

.category {
    background: var(--color-bg2);
    padding: 2rem;
    border-radius: 2rem;
    transition: var(--transition);
}
.category:hover {
    box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.3);
}
/*================ End Categories section ========*/

/* =========headser section 2 start =======*/
section {
    text-align: left;
    padding-bottom: var(--bottom-section-padding);
}

.section_tittle {
    padding-top: 0;
    color: var(--color-white);
}

section p {
    color: rgb(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.services_image {
    width: 92%;
    margin: 0 auto;
}

/* ==========header section 2=======*/


.about_title {
    text-align: center;
    margin-bottom: 5rem;
}

.about_article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-top: 3rem;
}

.about_article-title {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

/* ================================= Services ==============================*/
.services {
    margin-top:5rem;
}

.services_container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.services {
    background: var(--color-bg1);
    text-align: left;
    border: 1px solid transparent;
   transition: var(--transition);
}

.services:hover {
    background: transparent;
    border-color: var(--color-primary);
}

.services_info {
    padding: 2rem;
}

.services_info p {
    margin: 1.2rem 0 2rem;
    font-size: 0.9rem;
}

/*=======================F & Q =========================*/
.faqs {
    background: var(--color-bg1);
    box-shadow: inset 0 0 3rem rgb(0, 0, 0, 0.5 );
}

.faqs_container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.faq {
    padding:2.5rem;
    display: flex;
    align-items: center;
    gap: 1.4rem;
    height: fit-content;
    background: var(--color-primary);
    cursor: pointer;
}

.faq h4 {
    font-size: 1rem;
    line-height: 1rem;
}

.faq_icon {
    align-self: flex-start;
    font-size: 1.2rem;
}

.faq p {
    margin-top: 0.8rem;
    display: none;
}

.faq.open p {
    display: block;
}
/*===========end of F & Q ================*/

/*========================Testimonils start  =========*/

.testimonials_container {
 overflow-x: hidden;
 position: relative;
  margin-bottom: 5rem;
}

.testimonials {
    padding: 2rem;
}

.avatar {
    width: 6rem;
    height: 6rem;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1rem;
    border: 1rem solid var(--color-bg1);
}

.testimonial_info {
    text-align: center;
}

.testimoniala_body {
    background: var(--color-primary);
    padding: 2rem;
    margin-top: 3rem;
    position: relative;
}

.testimoniala_body::before {
 content: "";
 display: block;
 background: linear-gradient(135deg,transparent, var(--color-primary), var(--color-primary), var(--color-primary));
 width: 3rem;
 height: 3rem;
 position: absolute;
 left: 50%;
 top: -1.5rem;
 transform: rotate(45deg);
}

.swiper {
  width: 600px;
  height: 300px;
}

/*========================Testimonils end  =========*/

/*========================Footer  start  =========*/
footer {
    background: var(--color-bg1);
    padding-top: 5rem;
    font-size: 0.9rem;
}

.footer_container {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 5rem;
}

.footer_container >div h4 {
    margin-bottom: 1.2rem;
}

.footer_1 p {
    margin: 0 0 2rem;
}

footer ul li {
    margin-bottom: 0.7rem;
}
footer ul li a:hover {
    text-decoration: underline;
}

.footer_socials {
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
    margin-top: 2rem;
}

.footer_copyright {
    text-align: center;
    margin-top: 2rem;
    padding: 1.2rem 0;
    border-top: 3px solid var(--color-bg2);
}

/*==============================================media queries (tablets)==========================*/

@media  screen and (max-width:1024px) {

      html {
    font-size: 15px;
  }

    .container {
        width: var(--container-width-tablet)
    }

    h1 {
        font-size: 2.2rem;
    }

   h2 {
    font-size: 1.7rem;
   }
 h3 {
    font-size: 1.4rem;
 }

 h4 {
    font-size: 1.2rem;
 }
 
 .lead {
    width: 72%;
    margin-bottom: 3rem;
 }

 section {
    padding-bottom: var(--bottom-section-padding-mobile)
 }

 /* ==========================nav bar===================*/
  nav button {
    display: inline-block;
    background: transparent;
    font-size: 1.8rem;
    color: var(--color-white);
    cursor: pointer;
  }
 nav button#close-menu-btn {
    display: none;
 } 
 .nav_menu {
    position: fixed;
    top: 5rem;
    right: 5%;
    height: fit-content;
    width: 18rem;
    flex-direction: column;
    gap: 0;
    z-index: 3;
    display: none;
 }
 .nav_menu li {
    width: 100%;
    height: 5.8rem;
 }

 .nav_menu li a {
    background: var(--color-primary);
    box-shadow: -4rem 6rem 10rem rgb(0, 0, 0, 0.6);
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
 }

 .nav_menu li a:hover {
    background: var(--color-bg2);
    color: var(--color-white);
 }



 /*------------------header-------------------*/
 header {
    height: 50v;
    margin-bottom: 4rem;
 }
 .header_container {
    gap: 0;
    padding-bottom: 3rem;
 }

 /*-----------------categories section --------------------------------------*/
.categories {
    height: auto;
}
.categories_contianer {
    grid-template-columns: 1fr;
    gap: 3rem;
}

.categories_left {
    margin-right: 0;
}

  /*-----------------header 2 section -----------------*/
  .about_article {
    grid-template-columns: 1fr;
    margin-top: 5rem;
    text-align: left;
    gap: 2rem;
 }
.about_article:nth-child(2) .about_image {
    grid-row: 1;
}

 /*-----------------our services  section -----------------*/
 .services {
    margin-top: 0;
 }

 .services_container {
    grid-template-columns: 1fr;
 }

 /*-----------------F&Q-----------------*/
 .faqs_container {
    grid-template-columns: 1fr;
 }
  
 .faq {
    padding: 1.5rem;
 }

 /*-----------------Testimonial-----------------*/
  .Testimonial {
    margin-top: 3rem;
  }

 .testimoniala_body {
    padding: 2rem;
 }
 
 /*-----------------Footer-----------------*/
  .footer_container {
    grid-template-columns: 1fr 1fr;

  }
 }



/*==============================================media queries (phones)==========================*/
 @media  screen and (max-width:600px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 3rem;
  }
  h2 {
    font-size: 1.8rem;
  }
  h3 {
    font-size: 1.4rem;
  }
.lead {
    width: var(--bottom-section-mobile);
}

 .container nav_container {
    width: var(--bottom-section-mobile);
   }

  /* ==========================nav bar===================*/

 .nav_menu {
    right: 3%;
 }
 /* ==========================Header===================*/
  header {
    height: 100vh;
  }

  .header_container {
    grid-template-columns: 1fr;
    text-align: center;
    margin-top: 0;
  }

  .header_left  {
    margin-bottom: 1.3rem;
  }
/*--------------------categories-----------------------*/
.categories_right {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.category {
    padding: 1rem;
    border-radius: 1rem;
}

 /*-----------------About-----------------*/
 .about_article {
    grid-template-columns: 1fr;
    margin-top: 5rem;
    text-align: center;
    gap: 2rem;
 }
.about_article:nth-child(2) .about_image {
    grid-row: 1;
}

 /*-----------------services ----------------*/
  .services_container {
    grid-template-columns: 1fr;
  }

 /*-----------------F&Q-----------------*/
 .faqs_container {
    grid-template-columns: 1fr;
 }
  
 .faq {
    padding: 1rem;
 }

 /*-----------------Testimonial-----------------*/

 .testimoniala_body {
    padding: 1.2rem;
 }
 
/*-----------------Footer-----------------*/

 .footer_container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
 }

 .footer_1 p {
    margin: 1rem auto;

 }
 .footer_socials {
    justify-content: center;
 } 

 }