/* Default styling */

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    text-decoration: none;
    outline: none;
    font-family: 'Nunito', sans-serif;
    font-weight: 400;
}

/* Resetting default font size to 10px */
html{
    font-size: 62.5%;
}

/* Navbar styling */
.navbar{
    position: fixed;
    top: -14rem;
    z-index: 5;
    width: 100%;
    height: 12rem;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0.2rem 0.2rem 0.2rem #000;
    transition: top 0.5s;
}

.navbar.change{
    top: 0;
    transition: top 0.5s 0.2s;
}

.nav-link{
    color: #aaa;
    margin: 0 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: color 0.4s;
}

.change .nav-link{
    opacity: 1;
}

.change .nav-link:nth-child(1){
    transition: opacity 0.4s 0.5s, color 0.4s;
}

.change .nav-link:nth-child(2){
    transition: opacity 0.4s 0.6s, color 0.4s;
}

.change .nav-link:nth-child(3){
    transition: opacity 0.4s 0.7s, color 0.4s;
}

.change .nav-link:nth-child(4){
    transition: opacity 0.4s 0.8s, color 0.4s;
}

.change .nav-link:nth-child(5){
    transition: opacity 0.4s 0.9s, color 0.4s;
}

.nav-link:hover{
    color: #ffffff;
}

.nav-link i{
    font-size: 4rem;
}

.nav-link span{
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.5rem;
    margin-top: 0.5rem;
}

.menu{
    cursor: pointer;
    position: fixed;
    top: 1rem;
    left: 5rem;
    width: 4rem;
    height: 6rem;
    z-index: 4;
    background-color: #000;
    border-radius: 30rem 30rem 15rem 15rem;
    box-shadow: 0.1rem 0.1rem 0.1rem #000, -0.1rem -0.1rem 0.1rem #000;
    transition: top 0.5s 0.2s;
    animation: menu-shake 0.2s ease-in-out 1s 8;
}

.menu::before{
    content: "";
    width: 0.3rem;
    height: 15rem;
    background-color: #000;
    position: absolute;
    top: -15rem;
    box-shadow: 0.1rem 0 0.1rem #000;
    left: calc(50% - 0.15rem);
}

.menu.change{
    top: 14rem;
    transition: top 0.5s;
}

/* First section styling */
.section-1{
    width: 100%;
    height: 100vh;
    background-color: #333;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
}

.section-heading{
    font-size: 10rem;
    font-weight: 800;
    color: #ffffff;
    text-align: center;
    text-transform: capitalize;
    letter-spacing: 0.5rem;
    text-shadow: 0.3rem 0.3rem 0.3rem #000;
}

h2.section-heading{
    font-size: 6rem;
}

.section-1-icons i{
    font-size: 28rem;
    color: #f96209;
    position: absolute;
    transform: translate(-50%, -50%) scale(0);
    text-shadow: 0.2rem 0.2rem 0.2rem #000;
    transition: transform 0.3s;
}

.section-1-icons .change{
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.3s 0.3s;
}

/* Second section styling */
.section-2{
    background-color: #222;
    width: 100%;
    height: 100vh;
    padding: 6rem 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cards-container{
    display: flex;
    justify-content: space-evenly;
}

.card{
    position: relative;
    width: 28rem;
    background-color: #f68a06;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    box-shadow: 1rem 1rem 1rem #000;
    transform: rotateY(20deg) skewX(-2deg);
    transition: transform 0.5s, box-shadow 0.5s;
}

.card:hover{
    transform: rotateY(20deg) skewX(-2deg) translateY(-2rem);
    box-shadow: 2rem 2rem 2rem #000;
}

.card::before{
    content: "";
    height: 100%;
    width: 1rem;
    background-color: #f47308;
    position: absolute;
    top: 0;
    left: -1rem;
    transform: skewY(45deg);
    transform-origin: right;
    box-shadow: -0.1rem -0.1rem 0.1rem #000;
}

.card::after{
    content: "";
    height: 1rem;
    width: 100%;
    background-color: #f47308;
    position: absolute;
    top: -1rem;
    left: 0;
    transform: skewX(45deg);
    transform-origin: bottom;
    box-shadow: -0.1rem -0.1rem 0.1rem #000;
}

.card-img{
    width: 100%;
}

.card-name{
    font-size: 3rem;
    font-weight: 800;
    margin: 2rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5rem;
    color: #111;
    text-shadow: 0.15rem 0.15rem 0.15rem #000;
}

.card-btn{
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.2rem;
    text-transform: capitalize;
    box-shadow: -0.2rem -0.2rem 0.1rem #000;
    border: none;
    width: 70%;
    background-color: #111;
    color: #888;
    border-radius: 4rem;
    padding: 0.8rem 0;
    cursor: pointer;
}

/* Third section styling */
.section-3{
    background-color: #333;
    padding: 5rem 0;
}

.gallery{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-evenly;
    margin-top: 8rem;
}

.gallery-link{
    position: relative;
    margin: 4rem 1rem;
    cursor: pointer;
}

.gallery-link::before{
    content: "";
    position: absolute;
    top: 2vw;
    left: 90%;
    width: 0.2rem;
    height: 0;
    background-color: #ffffff;
    transition: height 0.5s;
    z-index: 2;
}

.gallery-link:hover::before{
    height: 80%;
}

.gallery-link::after{
    content: "";
    position: absolute;
    top: 30%;
    left: 2rem;
    width: 0;
    height: 0.2rem;
    background-color: #ffffff;
    transition: width 0.5s;
}

.gallery-link:hover::after{
    width: 90%;
}

.food-img{
    width: 24vw;
    height: 15vw;
    object-fit: cover;
    box-shadow: 0.2rem 0.2rem 0.1rem #e92929, 0.4rem 0.4rem 0.1rem #a2e946, 0.6rem 0.6rem 0.1rem #297ce9, 0.8rem 0.8rem 0.1rem #e92999;
    transition: all 0.5s;
}

.gallery-link:hover .food-img{
    transform: scale(1.1);
    opacity: 0.5;
    filter: blur(0.5rem);
    box-shadow: 1rem 1rem 0.1rem #e92929, 2rem 2rem 0.1rem #a2e946, 3rem 3rem 0.1rem #297ce9, 4rem 4rem 0.1rem #e92999;
}

.food-name{
    position: absolute;
    top: 3rem;
    left: 3rem;
    color: #ffffff;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: 0.1rem;
    width: 0;
    overflow: hidden;
    transition: width 0.3s;
}

.gallery-link:hover .food-name{
    width: 100%;
    transition: width 1.5s 0.4s;
}

.food-description{
    width: 90%;
    position: absolute;
    bottom: 8vh;
    left: 2rem;
    font-size: 1.4rem;
    letter-spacing: 0.1rem;
    color: #ffffff;
    font-weight: 300;
    text-transform: uppercase;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
}

.gallery-link:hover .food-description{
    opacity: 1;
    visibility: visible;
    transition: opacity 1s 1s;
}

/* Fourth section styling */
.section-4{
    position: relative;
    width: 100%;
    height: 30vh;
    background-color: #222;
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    padding: 3rem 0;
}

.section-4-text{
    text-transform: uppercase;
}

.section-4-heading{
    font-weight: 800;
    font-size: 4rem;
    color: #f68a06;
}

.section-4-p{
    font-size: 1.6rem;
    color: #888;
}

.sign-up{
    display: flex;
    align-items: center;
    position: relative;
    left: 2.25rem;
}

.signup-form-input{
    width: 32rem;
    height: 5rem;
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.1rem;
    color: #f96209;
    padding: 1rem;
    border: .2rem solid #f68a06;
}

.signup-form-input::placeholder{
    color: #ffbe6f;
}

.signup-form-btn{
    width: 4rem;
    height: 4rem;
    background-color: #333;
    color: #f47308;
    transform: translate(-4.5rem);
    font-size: 1.8rem;
    cursor: pointer;
    border: none;
}

.copyright{
    position: absolute;
    color: #eee;
    font-weight: 300;
    padding-top: 2rem;
    width: 100%;
    border-top: 0.1rem solid #888;
    letter-spacing: 0.1rem;
    bottom: 2rem;
    font-size: 1.6rem;
    text-align: center;
}

/* animation for menu icon */

@keyframes menu-shake {
    0%{
        transform: rotateZ(0deg);
        transform-origin: top;
    }

    50%{
        transform: rotateZ(20deg);
        transform-origin: top;
    }

    100%{
        transform: rotateZ(-20deg);
        transform-origin: top;
    }
}

/* responsive code */
@media (max-width: 1400px) {
    html{
        font-size: 50%;
    }

    .section-2{
        height: auto;
        padding: 10rem 0 12rem 0;
    }

    .cards-container{
        margin-top: 10rem;
    }

    .gallery-link{
        width: 42rem;
        height: 24rem;
        margin: 5rem;
    }

    .food-img{
        width: 100%;
        height: 100%;
    }
}

@media (max-width: 1000px){
    .section-heading{
        font-size: 9rem;
        margin: 0 5rem;
    }

    .food-description{
        bottom: 10vh;
    }

    h2.section-heading{
        font-size: 5rem;
    }

    .section-1-icons i{
        font-size: 24rem;
    }

    .cards-container{
        flex-wrap: wrap;
    }

    .card{
        margin: 5rem;
    }

    .section-4{
        height: 24rem;
    }
}

@media (max-width: 900px){
    .nav-link{
        margin: 3rem;
    }

    .nav-link i{
        font-size: 3.2rem;
    }

    .nav-link span{
        font-size: 1.8rem;
    }
}

@media (max-width: 700px){
    .section-heading{
        font-size: 7rem;
        margin: 0 8rem;
    }

    h2.section-heading{
        font-size: 3.2rem;
    }

    .section-1-icons i{
        font-size: 20rem;
    }

    .menu{
        left: 2rem;
    }

    .section-4{
        height: 32rem;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    .section-4-text{
        margin-bottom: 6rem;
        text-align: center;
    }
}

@media (max-width: 540px){
    html{
        font-size: 40%;
    }

    .nav-link{
        margin: 0 0.8rem;
    }
}