:root{
    --color-primary:#D8FF7F;
    --color-secondary:#3d37d5;
    --color-accent:#fff;
    --color-body:#C0C0C0;
    --color-body-dark:#000;
}

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

section:nth-child(odd) {
    background-color: #130A44;
  }
  
  section:nth-child(even) {
    background-color: #0E0A3A;
  }

/* typografy */

html{
    font-size: 62.5%;
}

body{
    font-family: Inter,Arial, Helvetica, sans-serif;
    color: var(--color-body);
    font-size:2rem;
    line-height: 1.5;
}

h1,h2,h3{
    color: var(--color-accent);
    line-height: 1.3;
    margin-top: 1rem;
}

h1{
    font-size: 4rem;
}

h2{
    font-size: 2.4rem;
}

h3{
    font-size: 1.8rem;
}

.headings-green{
    color: var(--color-primary);
}

a{
  text-decoration: none;
  display: inline-block;
}

hr{
   border-color: var(--color-body-dark);
}

.dark-text{
    color: var(--color-body-dark);
}

@media screen and (min-width:1024px) {
    h1{
        font-size: 6.5rem;
    }

    h2{
        font-size: 4rem;
    }

    h3{
        font-size: 2rem;
    }
}

/* buttons */

.btn{
    background-color: var(--color-accent);
    border-radius: 7px;
    color: var(--color-body-dark);
    font-size: 1.5rem;
    padding: 1.8rem 3rem;
    transition: transform 0.3s;
    display: inline-block;
    margin: 3rem 0 auto;
}

.btn--long{
    padding: 1.8rem 4rem ;
}

.btn--center{
    text-align: center;
}

.btn:hover{
    background-color: var(--color-primary);
    transform:scale(1.1);
}

.btn span{
    display: inline-block;
    transition: transform 0.3s;
}

.btn:hover span{
    transform:scale(0.85);
}

.btn--outline{
    background-color: #120943;
    border: 1px solid var(--color-primary);
    color: var(--color-accent);
}

.btn--outline:hover{
    color: var(--color-body-dark);
}

.cta .btn{
    border: 1px solid var(--color-body-dark);
}

/* icons */

.icon--white{
    fill: var(--color-accent);
}


.icon--primary{
    fill: var(--color-primary);
}

.icon--small{
    width: 30px;
    height: 30px;
}

.icon--xsmall{
    width: 5px;
    height: 5px;
}

.icon--large{
    width:50px;
    height: 50px;
}

.icon-arrow{
    width: 50px;
    height: 50px;
    margin-top: 2rem;
    transform: rotate(-45deg);
}

.icon-container--circle{
    border-radius: 100%;
    display:flex;
    justify-content:center;
    align-items: center;
    padding: 1rem;
}

.icon-container--square{
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display:flex;
    justify-content:center;
    align-items: center;
    padding: 1.5rem;
}

.icon-container--primary{
    background-color: var(--color-primary);
}

.icon-container--secondary{
    background-color: var(--color-secondary);
}

.icon-container--accent{
    background-color: var(--color-accent);
}

.icon-star{
   width: 10px;
   height: 10px;
}


/* cards */
/* arrow cards */

.card{
    --padding-vertical:2rem;
    padding: var(--padding-vertical) 2rem;
    border-radius: 15px;  
}


.card-arrow{
   padding-top: calc(var(--padding-vertical) + 10rem);
   transition:background-color 0.3s ;
}

.card-arrow:hover{
    background-color: var(--color-accent);
}

.card-arrow__heading{
    color: var(--color-body-dark);
}

.counter{
    counter-reset: arrow-card-number;
}

.card-arrow__heading::before{
    counter-increment: arrow-card-number;
    content: counter(arrow-card-number, decimal-leading-zero);
    display: block;
}

.card-arrow--orange{
    background-color: #F8A530;
}

.card-arrow--primary{
    background-color: var(--color-primary);
}

.card-arrow--purple{
    background-color: #9607ff;
}

/* card arrow version2 */

.card-arrow2{
    padding: 2rem;
    background-color: var(--color-accent);
    transition:background-color 0.4s ;
}

.card-arrow2:hover{
    background-color: var(--color-primary);
}

.card-arrow2__heading{
    color: var(--color-body-dark);
    line-height: 2.5;
}

.card-arrow2__heading::before{
    content: "Growth Marketing | 11MINUTES READ";
    display: block;
    font-size: 1.2rem;
}

.card-arrow2__heading::after{
    content: "July 29, 2024";
    font-size: 1.2rem;
    color: #707070;
    display: block;
}

/* outline card */

.card-outline{
    border: 1px solid #ffffff54;
    color: var(--color-accent);
}

.card-outline--accent{
    border-color: #616060;
}

.card-outline--secondary{
    border-color: var(--color-secondary);
}

.card-outline-content{
    padding: 2rem;
    border-radius: 15px;
    transition: background-color 0.3s;
}

.card-outline-content:hover{
    background-color: var(--color-secondary);

}

/* brands */

.brands{
    align-content: center;
    align-items: center;
    border-radius: 20px;
    border: 1px solid #cccccc89;
    display: grid;
    gap: 4rem;
    grid-template-columns: repeat(2,1fr);
    grid-template-rows: repeat(3,1fr);
    padding: 3rem;
}

.brands__image{
    width: 100%;
}

@media screen and (min-width:768px) {
    .brands{
        grid-template-columns: repeat(3,1fr);
        grid-template-rows: repeat(2,1fr);
        gap: 6rem;
    }  
}

@media screen and (min-width:1024px) {
    .brands{
        grid-template-columns: repeat(auto-fit,minmax(100px,1fr));
        grid-template-rows: repeat(1,1fr);
    }  
}

/* collapsible */

.collapsible{
    border: 1px solid #ffffff91;
    border-radius: 15px;
    padding: 2.5rem;
    margin:2rem auto 3rem ;
    background-color: #ffffff09;
    
} 

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

.collapsible__heading{
    font-size: 3rem;
    color: #fff;
    margin: 0;
}


.collapsible__chevron{
    align-self: center;
    transform: rotate(0deg);
    transition: transform 0.3s;
}

.collapsible__content{
    font-size: 2rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s;
    margin: 0;
}

.collapsible--expanded .collapsible__chevron{
   transform: rotate(-180deg);
   fill: var(--color-body-dark);
}

.collapsible--expanded .collapsible__content{
    max-height: 100vh;
    opacity: 1;
    margin-top: 2rem;
}

.collapsible--expanded .collapsible__heading{
    color: var(--color-body-dark);
}

.collapsible--expanded.collapsible{
    background-color: var(--color-primary);
}


/* cta */

.cta{
    background-image: linear-gradient(rgba(206, 206, 214, 0.35) 1px, transparent 1px), linear-gradient(to right, rgba(206, 206, 214, 0.35) 1px, transparent 1px);
    background-size: 79px 79px;
    background-color: #d8ff7f;
    padding: 5rem;
    text-align: center;
    border-radius: 20px;
}

.cta__content{
    max-width: 700px;
    margin: auto;
}

/* list */

.list{
    list-style: none;
    padding-left: 0;
}

.list__items{
    display: flex;
    margin-bottom: 2rem;
}


.list__items::before{
    content: url(../images/14090371.svg);
    align-content: center;
    margin-right: 1rem;
}


/* swiper */

.article-card{
    background-color: var(--color-secondary);
    padding:5rem;
}

.article__carrier{
    color: #ffffffa8;
    font-size: 1.5rem;
    margin: 0.5rem 0 3rem;
}

.article__heading{
    margin: 0;
}

.article-card .icon-container--circle{
    width: 50px;
    height: 50px;
    margin-bottom: 2rem;
}

/* grids */

.grid{
    display: grid;
    gap: 2rem;
}

@media screen and (min-width:768px) {
    .grid--columns-4{
        grid-template-columns: repeat(2,1fr);
    }
}

@media screen and (min-width:1024px) {
    .grid--columns-4{
        grid-template-columns: repeat(4,1fr);
    }
}

/* grid for teblets and wider */
@media screen and (min-width:1024px) {
    .grid--columns-2{
        grid-template-columns: 1fr 1fr;
    }
}

/* grid for laptops and wider */
@media screen and (min-width:768px){
     .grid--columns-3{
        grid-template-columns: 1fr 1fr 1fr;
    }
}



/* nav */

.nav{
    display: flex;
    justify-content:space-between;
    flex-wrap: wrap;
    padding: 2rem 2rem;
    align-items: center;
    border: 0;
    max-width: 1400px;
}

.nav__list{
    width: 100%;
    padding: 0;
    margin: 0;
    
}

.nav__items{
    padding: 1rem 2rem;
}

.nav__items > a {
    color: #d2d0db;
}

.nav__items > a:hover {
    color: #fff;
}


.nav__toggler{
    opacity: 0.5;
    transition: box-shadow 0.3s;
    cursor: pointer;
}

.nav.nav--expanded .nav__toggler{
    opacity: 1;  
}



.nav__content{
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s;
    margin:0;
    z-index: 999;
}

.nav--expanded .nav__content{
    max-height: 100vh;
    opacity: 1;
    margin-top: 1rem;
    display: block;
    
}

.nav__overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #3934d2de;
    z-index: 1;
    display: none;
  }
  
.nav--expanded ~ .nav__overlay {
    display: block;
  }
  
.btn.nav__list{
    padding:1.5rem 3rem;
    font-size: 1.5rem;
}


.nav__phone::before{
  content: url(../images/phone-solid-full.svg);
  margin-right: 0.5rem;
}


.nav--expanded .nav__phone{
    text-align: center;
    margin-top: 4rem;
}

@media screen and (min-width:1024px){
    .nav__toggler{
        display: none;
    }  

    .nav__list{
        width: auto;
        display: flex;
        font-size: 1.6rem;
        max-height: 100%;
        opacity: 1;
    }

    .nav__items{
        border-bottom: 0;
    }

    .nav--expanded ~ .nav__overlay {
        display: none;
      }

      .nav--expanded .nav__content{
        margin-top: 0;
        
    }
      
}

/* containers */

.container{
    max-width: 1300px;
    margin: 0 auto;
}

.arrow-card.container{
    max-width: 1200px;
}

/* footer */

.footer{
    display: flex;
    justify-content:space-between;
    flex-wrap: wrap;
    padding: 2rem 4rem;
    align-items: center;
    border: 0;
}

.footer__logo{
    max-width: 150px;
    margin: auto;
}


.footer__list{
    display: flex;
    flex-wrap: wrap;
    font-size: 1.5rem;
    justify-content: center;
    width: 100%;
 }

.footer__items{
    padding: 1rem;
    font-weight: 600;
}

.footer__items > a {
    color: #d2d0db;
}

.footer__items > a:hover {
    color: #fff;
}

.footer ~ hr{
    border-color: var(--color-primary);
}

.footer__list > svg {
    padding-left: 0.5rem;
}

@media screen and (min-width:768px) {

    .footer__list{
        width: auto;
        display: flex;
    }
    
    .footer__logo{
        max-width: 150px;
        margin: 0;
    }

}

/* blocks */

.block{
    padding:6rem 3rem;
}

.block__heading{
    margin-top: 0;
}

.block__header{
    text-align: center;
    margin-bottom: 4rem;
}

/* hero */

.hero__rating{
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 0.5rem;
    align-items: center;
}

.hero__rating--left{
    justify-content: left;
}

.hero__rating-text{
    flex-shrink: 1;
}

.hero__rating-star{
    flex-shrink: 0;
}


/* bg */

.bg-odd{
    background-color: #130A44;
}

.bg-even{
    background-color: #0E0A3A;
}

/* outline card */

.outline-card.container{
    max-width: 1200px;
}

.card-outline p{
    font-size: 1.5rem;
    font-weight: 200;
}

/* swiper block */

.swiper__link{
    font-size: 1.5rem;
    color: #fff;
    text-decoration: underline;
    transition: all 0.3s;
}

.swiper__link:hover{
    font-size: 1.5rem;
    color: var(--color-primary);
    transform: scale(1.1);
}