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

}

:root {
    --color-primary: #6c63ff;
    --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;

    --container-width-lg: 76%;
    --container-width-md: 90%;
    --container-width-sm: 94%;

    --transition: all 400ms ease;

}

body {
    font-family: 'Rubik', sans-serif;
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
}

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

}

section {
    padding: 6rem 0;

}

section h2 {
    text-align: center;
    margin-bottom: 4rem;

}

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;
}

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-weight: 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;
}


.window-scroll {
    background: var(--color-primary);
    box-shadow: 0 1rem 2rem rgba(0,0,0,0.2);
}

.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);
}

/* =================================== 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 ==================================== */

.categories {
    background: var(--color-bg1);
    height: auto;
}

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

.categories__container {
    display: grid;
    grid-template-columns: 40% 60%;
}

.categories__left {
    margin-right: 4rem;
}

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

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

.category {
    background: var(--color-bg2);
    padding: 2rem;
    border-radius: 2rem;
    transition: var(--transition);
}

.category:hover {
    box-shadow: 0 3rem 3rem rgba(0,0,0,0.5);
    z-index: 1;
    
}

.category:nth-child(2) .category__icon {
    background: var(--color-danger);
}

.category:nth-child(3) .category__icon {
    background: var(--color-success);
}

.category:nth-child(4) .category__icon {
    background: var(--color-warning);
}


.category__icon{
    background: var(--color-primary);
    padding: 0.7rem;
    border-radius: 0.9rem;
}

.category h5 {
    margin: 2rem 0 1rem;
}

.category p {
    font-size: 0.91rem;
}

/* =================================== Innovations ==================================== */

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

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

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

.innovation__info {
    padding: 2rem;
}

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

        /* =================================== TESTIMONIALS ==================================== */

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

}

.testimonial {
    padding-top: 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;

}

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

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

                                          /*===FOOTER===*/
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: 4rem;
    padding: 1.2rem 0;
    border-top: 1px solid var(--color-bg2);
}

/*=========================================Media Queries(Tablets)===================================*/

@media screen and (max-width: 1024px) {
    .container {
        width: var(--container-width-md);
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.7rem;
    }

    h3 {
        font-size: 1.4rem;
    }

    h4{
        font-size: 1.2rem;
    }
                          /*==========NAVBAR==========*/
    nav button {
        display: inline-block;
        background: transparent;
        font-size: 1.8rem;
        color: var(--color-white);
        cursor: pointer;
        transition: var(--transition);

    }

    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;
        display: none;
    }

    .nav__menu li {
        width: 100%;
        height: 5.8rem;
        /*animation: animateNavItems 400ms linear forwards;*/
        transform-origin: top right;
        /*opacity: 0;*/
    }

    /*
    .nav__menu li:nth-child(2) {
        animation-delay: 200ms;
    }

    .nav__menu li:nth-child(3) {
        animation-delay: 400ms;
    }

    .nav__menu li:nth-child(4) {
        animation-delay: 600ms;
    }

    .nav__menu li:nth-child(5) {
        animation-delay: 800ms;
    }


    @keyframes animateNavItems {
        0% {
            transform: rotateZ(-90deg) rotateX(90deg) scale(0.1);
        }
        100%{
            transform: rotateZ(0) rotateX(0deg) scale(1);
            opacity: 1;

        }
        

    }
    */

    .nav__menu li a {
        background: var(--color-primary);
        box-shadow: -4rem 6rem 10rem rgba(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: auto;
        margin-bottom: 4rem;
    }

    .header__container {
        gap: 0;
        padding-bottom: 3rem;
    }

                          /*========CATEGORIES==========*/
    
    .categories {
        height: auto;

    }

    .categories__container {
        grid-template-columns: auto;
        gap: 3rem;
    }

    .categories__left {
        margin-right: 0;

    }

                          /*========INNOVATIONS==========*/
    
    .innovations {
        margin-top: 0;


    }

    .innovations__container {
        grid-template-columns: auto;
    }


                                /*========FOOTER==========*/

    .footer__container {
        grid-template-columns: auto;
    }
}

/*=========================================Media Queries(PHONE)===================================*/

@media screen and (max-width: 600px) {
    .container {
        width: var(--container-width-sm);
    }

    .nav__menu {
        right: 3%;
    }

    header {
        height: 100vh;
    }
    
    .header__container {
        grid-template-columns: 1fr;
        text-align: center;
        margin-top: 0;
    }

    .header__left p {
        margin-bottom: 1.3rem;
    }

    .categories__right {
        grid-template-columns: auto;
        gap: 0.7rem;
    }

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

    .category__icon {
        margin-top: 4px;
        display: inline-block;
    }

    .innovations__container {
        grid-template-columns: auto;
    }

    .testimonial__body {
        padding: 1.2rem;
    }

    .footer__container {
        grid-template-columns: auto;
        text-align: center;
        gap: 2rem;
    }

    .footer__1 p {
        margin: 1rem auto;

    }

    .footer__socials {
        justify-content: center;
    }
}