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

:root {
    --color-primary: #6c63ff;
    --color-danger: #f75842;
    --color-danger-variant: rgba(247, 88, 66, 0.4);
    --color-success: #00bf8e;
    --color-warning: #f7c94a;
    --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: 80%;
    --container-width-md: 90%;
    --container-width-sm: 94%;

    --transition: all 400ms ease;
}

body {
    font-family: "Montserrat", sans-serif;
    // <uniquifier>: Use a uniquifier for the class name
    // <weight>: Use a value from 100 to 900
    
    .montserrat-<uniquifier> {
      font-family: "Montserrat", sans-serif;
      font-optical-sizing: auto;
      font-weight: <weight>;
      font-style: normal;
    };
    line-height: 1.7;
    color: var(--color-white);
    background: var(--color-bg);
}

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

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;
}

/* change navbar styles on scroll using javascript */
.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:auto;
    padding: 0.5rem 2rem 5rem 2rem;
}

/* =============== CATEGORIES =============== */
.categories {
    background: var(c--color-bg1);
    height: 32rem;
    text-align: center;
    margin-bottom: 0;
    margin-top: 0;
}

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

.categories__container {
    display: grid;
    grid-template-columns: 100% 60%;
}

.category__image img {
    filter: saturate(0);
}

.category:hover img {
    filter: saturate(1);
}

.categories__right {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}

.category {
    background: var(--color-bg2);
    padding: 1.5rem;
    border-radius: 2rem;
    transition: var(--transition);
}

.category:hover {
box-shadow: 0 3rem 3rem rgba(0, 0, 0, 0.8);
z-index: 1;
}

.category h4 {
   margin-top: 0.2rem;
    color: var(--color-success);
    font-style: italic;
    text-align: center;
}

.category h5 {
    margin: 0.2rem 0 0;
}

/* =============== PRODUCTS =============== */

.products__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 1rem;
}

.product {
    background: var(--color-bg1);
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
    margin-bottom: 2rem;
    margin-top: 0;
}

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

.product__image img {
    filter: saturate(0);
}

.product:hover img {
    filter: saturate(1);
}

.product__info {
    padding: 1rem;
}
.product__info p {
margin: 1.2rem 0 0;
font-size: 0.7rem;
}

.product__textstyle {
    font-style: italic;
    text-align: center;
    color: var(--color-success);
}

.product__textleft {
    text-align: left;
}

.key-features {
    text-align: center;
    margin: 7rem 0 2rem;
    color: var(--color-warning);
}

.key {
    display: flex;
    justify-content: center;
    list-style: disc ;
    padding: 1rem;
}

/* =============== FREQUENTLY ASKED QUESTIONS =============== */

.faq {
    padding: 2rem;
    background: var(--color-primary);

}

/* =============== TESTIMONIALS =============== */
.testimonials {
    padding: 2rem;
    background: var(--color-primary);
}

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

.footer__container {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5rem;
    justify-content: center;
}

.footer__container__about {
    list-style: none;
    display: flex;
    grid-template-columns: repeat(3, 1fr);
    gap: 5rem;
    justify-content: center;
}

.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: 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;
    }

    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;
    }

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

        100% {
            transform: rotateZ(0) rotateX(0) 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: 1fr;
        gap: 30rem;
    }



    .category__image img {
        filter: saturate(1);
    }
    
    /* =============== PRODUCTS ===============*/
    .products {
        margin-top: 0;
    }

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

    .product__image img {
        filter: saturate(1);
    }

    .key-features {
        margin-top: 2rem;
        margin-bottom: 2rem;
        padding-top: 0;
    }

    .key {
        display: flex;
        justify-content: center;
        list-style: disc ;
        padding-left: 2rem;
        padding-right: 2rem;
        padding-top: 0;
        padding-bottom: 0;
    }

    /* =============== FREQUENTLY ASKED QUESTIONS ===============*/
    .faqs__container {
        grid-template-columns: 1fr;
    }

    .faq {
        padding: 1.5rem;
    }

    /* =============== FOOTER ===============*/
    .footer__container {
        grid-template-columns: 1fr 1fr;
        text-align: center;
        gap: 1rem;
    }


    .footer__1 p {
        margin: 1rem auto;
    }
}

/* =============== MEDIA QUERIES (PHONES) ===============*/
@media screen and (max-width: 600px) {
    .container {
        width: var(--container-width-sm);
    }

    /* =============== NAVBAR ===============*/
    .nav__menu {
        right: 3%;
    }

    /* =============== HEADER ===============*/
    header {
        height:auto;
        margin: 0;
        padding: 0.7rem;
    }

    .header__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    /* =============== CATEGORIES ===============*/
    .categories {
        padding-top: 0;
        margin-top: 0;
        margin-bottom: 0;
        grid-template-columns: 1fr 1fr;
        gap: 0.7rem;
    }
    .categories__right {
        grid-template-columns: 1fr 1fr;
        gap: 0.7rem;
    }

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

    .category__image img {
        filter: saturate(1);
    }

    .products {
        margin-top: 0;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .products__container {
        grid-template-columns: 1fr 1fr;
        margin-top: 3rem;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .product {
        margin-top: 0;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .key-features {
        margin-top: 2rem;
        margin-bottom: 2rem;
        padding-top: 0;
    }

    .key {
        display: flex;
        justify-content: center;
        list-style: disc ;
        padding-left: 2rem;
        padding-right: 2rem;
        padding-top: 0;
        padding-bottom: 0;
    }
    
    /* =============== TESTIMONIALS ===============*/
    .testimonial__body {
        padding: 1.2rem;
    }

    /* =============== FOOTER ===============*/
    .footer__container {
        grid-template-columns: 3, 1fr;
        text-align: center;
        gap: 0.2rem;
    }

    .footer__container__about {
        list-style: none;
        display: flex;
        margin-right: 1rem;
        margin-left: 1rem;
        grid-template-columns: repeat(3, 1fr);
        gap: 0.2rem;
        justify-content: center;
    }

    .footer__2 {
        font-size: smaller;
    }

    .footer__3 {
        font-size: smaller;
    }

    h4 {
        font-size: 90%;
    }

    /* =============== PRODUCTS ===============*/
    .product__image img {
        filter: saturate(1);
    }
}