/* alter entire webpage layout */
* { 
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root{
    --primary-color: #fce138;
    --secondary-color: #024e76;
    --tertiary-color: #39a6b2;
}

/* apply styles to body */ 
body{
    font-family: Helvetica, Arial, sans-serif;
    color: var(--tertiary-color);
}

/* apply syles to header */
header{
    padding:20px 35px;
    background-color: var(--tertiary-color);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    background-image: url("../images/hero-bg.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-position: 80%;
    z-index: 9999;
}

header h1{
    font-weight:bold;
    font-size: 36px;
    color: var(--primary-color);
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

header a{
    color: var(--primary-color);
    text-decoration: none;
}

header nav{
    margin: 7px 0;
}

header nav ul{
    display:flex;
    flex-wrap:wrap;
    justify-content: space-between;
    align-items: center;
    list-style: none;
}

header nav ul li a {
    padding: 10px 15px;
    font-weight: lighter;
    font-size: 1.55vw;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
header nav ul li a:hover{
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 15px;
    text-shadow: none;
}

/* Apply styles to the footer */
footer{
    background: var(--primary-color);
    width: 100%;
    padding: 40px 35px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

footer h2 {
    color: var(--secondary-color);
    font-size: 30px;
    margin: 0;
}

footer div {
    line-height: 1.5;
    text-align: right;
}

footer a{
    color: var(--secondary-color);
}

/* style hero */
.hero{
    background-image: url("../images/hero-bg.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: flex-start;
    background-attachment: fixed;
    background-position: 80%;
}

.hero-cta{
    width: 35%;
    text-align: right;
    margin: 3.5%;
    color: #fff;
    font-size: 18px;
    line-height: 1.2;
}

.hero-cta h2{
    font-style: italic;
    font-size: 55px;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.hero-form {
    color: var(--secondary-color);
    background-color: rgba(252,225,56,0.8);
    padding: 20px;
    border: solid 3px var(--secondary-color);
    width: 40%;
    margin: 3.5%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    border-radius: 15px;
}
.hero-form button:hover{
    background-color: var(--tertiary-color);
}

.hero-form h3{
    font-size: 24px;
    margin: 0px;
}

.hero-form p{
    margin: 5px 0 15px 0;
}

.form-input{
    font-size: 16px;
    border: 1px solid var(--secondary-color);
    display: block;
    padding: 7px 15px;
    font-size: 16px;
    color: var(--secondary-color);
    width: 100%;
    margin-bottom: 15px;
    border-radius: 10px;
    background-color: rgba(255,255,255,0.75);
}
.form-input:focus{
    background-color: rgba(255,255,255,1);
    outline: none;
}

.hero-form label {
    margin: 0 5px;
}

.hero-form button{
    color: var(--primary-color);
    background-color: var(--secondary-color);
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 10px;
}

/* custom button styling */
.checkbox-wrapper input, .radio-wrapper input{
    opacity: 0;
}

.checkbox-wrapper label, .radio-wrapper label{
    position: relative;
    left: 10px;
    margin: 10px;
    line-height: 1.6;
}

.checkbox-wrapper label::before, .radio-wrapper label::before{
    content: "";
    height: 20px;
    width: 20px;
    background: rgba(255,255,255,0.75);
    border: 1px solid var(--secondary-color);
    position: absolute;
    top: -4px;
    left: -30px;
}

.radio-wrapper label::before{
    border-radius: 50%;
}

.radio-wrapper label::after{
    content: "";
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    position: absolute;
    left: -29px;
    top: -3px;
    background-image: radial-gradient(circle, var(--tertiary-color), var(--secondary-color));
}

.checkbox-wrapper label::after{
    content: "";
    height: 6px;
    width: 14px;
    border-left: 2px solid var(--secondary-color);
    border-bottom: 2px solid var(--secondary-color);
    position: absolute;
    left: -26px;
    top: 1px;
    transform: rotate(-58deg);
}

.checkbox-wrapper input + label::after, .radio-wrapper input + label::after{
    content: none;
}

.checkbox-wrapper input:checked + label::after, .radio-wrapper input:checked + label::after{
    content: "";
}

/* style intro section */
.intro p{
    line-height: 1.7;
    color: var(--tertiary-color);
    width: 80%;
    font-size: 20px;
    margin: 0 auto;
    text-align: center;
}

/* style steps section */
.steps{
    background: var(--primary-color);
}

.section-title{
    font-size: 48px;
    color: var(--secondary-color);
    border-bottom: 3px solid;
    padding-bottom: 20px;
    padding-top: 20px;
    text-align: center;
    margin: 0 auto 35px auto;
    width: 50%;
}

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

.secondary-border{
    border-color: var(--tertiary-color)
}

.step h3{
    color: var(--secondary-color);
    font-size: 46px;
    flex: 1 30%;
}

.step-text p{
    color: var(--tertiary-color);
    font-size: 18px;
}

.step-text h4{
    font-size: 26px;
    line-height: 1.5;
    color: var(--secondary-color);
}

.step-info{
    flex: 2 70%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.step-img{
    flex: 1 12%;
    margin-right: 20px;
}

.step-img img {
    max-width: 100%;
}

.step-text {
    flex: 12;
}

.step{
    margin: 50px auto;
    padding-bottom: 50px;
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
.step:not(:last-cild){
    border-bottom: 1px solid var(--tertiary-color);
}

/* Style the trainers section */
.trainer{
    margin: 20px;
    background: var(--secondary-color);
    color: var(--primary-color);
    flex: 1;
    overflow: hidden;
}

.trainers{
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.trainer-img{
    width: 100%;
    min-height: 300px;
    display: flex;
    padding: 15px;
    align-items: flex-end;
    background-size: cover;
    position: relative;
}

.trainer-bio{
    padding: 25px;
    line-height: 1.5;
}

.trainer-bio h3 {
    font-size: 28px;
    display: none;
}

.trainer-bio h4{
    font-weight: lighter;
    font-size: 22px;
    margin-bottom: 15px;
    display: none;
}

.trainer-bio p{
    font-size: 17px;
}
/* Trainer Images */
.trainer-1{
    background-image: url("../images/trainer-1.jpg");
}
.trainer-2{
    background-image: url("../images/trainer-2.jpg");
}
.trainer-3{
    background-image: url("../images/trainer-3.jpg");
}

.trainer-img::after{
    content: "";
    height: 100%;
    width: 100%;
    background: linear-gradient(rgba(252,225,56,0.3),rgba(2,78,118,1));
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: 0.5s;
}

.trainer:hover .trainer-img::after{
    opacity: 1;
}

.trainer-img h3{
    position: relative;
    z-index: 1;
    font-size: 28px;
    margin-bottom: 5px;
    top: 500px;
    transition: 0.5s;
}

.trainer-img h4{
    position: relative;
    z-index: 1;
    font-size: 22px;
    top: 500px;
    transition: 0.5s;
    transition-delay: 0.05s;
}

.trainer:hover .trainer-img h3, .trainer:hover .trainer-img h4, .trainer-img::after{
    top: 0;
}

/* style reach out section */
.contact{
    background: var(--secondary-color);
}

.contact h2{
    color: var(--primary-color);
}


/* general modifications */
.text-left{
    text-align: left;
}

.text-right{
    text-align: right;
}
 
.extra-space{
    padding-bottom:50px;
}

.flex-row {
    display: flex;
}

/* style iframe */
.contact-info iframe{
    height: 400px;
    padding-bottom: 20px;
}

.contact-info div{
    color: white;
}

.contact-info h3{
    color: var(--primary-color);
    font-size: 32px;
}

.contact-info{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact-info > *{
    flex: 1;
    margin: 15px;
}

.contact-info p, .contact-info address{
    margin: 20px 0;
    line-height: 1.5;
    font-size: 16px;
    font-style: normal;
}

.contact-form input, .contact-form textarea{
    border: 1px solid var(--secondary-color);
    display: block;
    padding: 7px 15px;
    font-size: 16px;
    color: var(--secondary-color);
    width: 100%;
    margin-bottom: 15px;
    margin-top: 5px;
    border-radius: 10px;
    background-color: rgba(255,255,255,0.75);
}
.contact-form input:focus, .contact-form textarea:focus{
    background-color: rgba(255,255,255,0.75);
    outline: none;
}


.contact-form button{
    width: 100%;
    border: none;
    background: var(--primary-color);
    color: var(--secondary-color);
    text-align: center;
    padding: 15px 0;
    font-size: 16px;
    border-bottom: 10px;
}
.contact-form button:hover{
    color: var(--primary-color);
    background: var(--tertiary-color);
}

.contact-info a{
    color: var(--primary-color);
}

/* Style grid Services */
.services{
    background: var(--primary-color);
}

.service-grid-wrapper{
    display: flex;
    width: 100%;
    justify-content: center;
}

.service-grid-container{
    background: lightyellow;
    width: 80%;
    display: grid;
    grid-template-columns: 1fr repeat(2, 4fr);
    grid-template-rows: repeat(5, 1fr) 2fr;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin: 10px;
}

.service-grid-item{
    padding: 15px 0;
    border: 2px solid var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.service-grid-item.basic{
    grid-column:  2/ span 1;
}

.service-grid-item.both{
    grid-column: 2 / span 2;
}

.service-grid-item.cancel{
    grid-row: 1 / -1;
    writing-mode: vertical-lr;
    grid-column: 1;
    transform:rotate(180deg);
}

.grid-head, .grid-price, .service-grid-item.cancel{
    font-size: 1.5rem;
    font-weight: bold;
}

/* Media query for smaller desktop screens and smaller */
@media screen and (max-width: 980px){
    header{
        /* this will be applied on any screen smaller than 980px */
        padding-bottom: 0;
        justify-content: center;
        position: relative;
    }

    header h1{
        width: 100%;
        text-align: center;
    }

    header nav ul{
        margin-top: 20px;
        width: 100%;
        justify-content: center;
    }

    header nav ul li a {
        font-size: 20px;
    }

    footer h2, footer div{
        text-align: center;
        width: 100%;
    }

    .hero-cta, .hero-form{
        width: 100%;
    }

    .hero-cta{
        text-align: center;
    }

    .section-title{
        width: 80%;
    }

    .trainer{
        flex: 0 70%;
    }

    .contact-info iframe{
        flex: 1 100%;
    }
}

/* media query for tablets and smaller */
@media screen and (max-width: 768px) {
    section{
        /* this will be applied on any screen between 768px and 575px */
        padding: 30px 15px;
    }

    .step h3{
        flex: 1 100%;
        text-align: center;
    }

    .step-info{
        flex: 2 100%;
        text-align: center;
        justify-content: center;
    }

    .step-img{
        flex: 0 32%;
        margin-right: 0;
        margin-top: 15px;
        margin-bottom: 15px;
    }

    .step-text{
        flex: 100%
    }

    .service-grid-container{
        grid-template-columns: 1fr 1fr;
    }

    .service-grid-item.basic{
        grid-column: 1;
    }

    .service-grid-item.both{
        grid-column: 1/-1;
    }
    
    .service-grid-item.cancel{
        transform: none;
        writing-mode: unset;
        grid-column: 1 / -1;
        grid-row: -1;
    }

    .trainer-img h3, .trainer-img h4{
        display: none;
    }

    .trainer-bio h3, .trainer-bio h4{
        display: inline;
    }
}

/*media query for mobile phones and smaller */
@media screen and (max-width: 575px) {
    .hero-form button{
        /* this will be applied on any screen smaller than 575px */
        width: 100%;
    }

    .section-title{
        width: 95%;
    }

    .intro p{
        width: 100%;
    }

    .trainer{
        flex: 0 100%;
    }

    .contact-info{
        text-align: center;
    }

    .contact-info > * {
        flex: 0 100%;
    }

    .contact-form{
        order: 3;
    }
}