* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    /* more on this alphanumerical value in a minute! */
    color: var(--tertiary-color);
    font-family: Helivetica, Arial, sans-serif;
}

/* apply styles 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-position: center;
    background-size: cover;
    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 {
    text-decoration: none;
    color: var(--primary-color);
}

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;
}

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

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);
}

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

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

section {
    padding: 60px;
}

/* Hero Style Start */

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

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

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

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

.form-input {
    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);
    padding: 10px 20px;
    border: none;
    font-size: 16px;
    border-radius: 10px;
}

.hero-form button:hover {
    background-color: var(--tertiary-color);
}

/* Hero Style End */

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

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

.section-title {
    font-size: 48px;
    color: var(--secondary-color);
    border-bottom: 3px solid;
    padding-bottom: 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 {
    flex: 12;
}

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

.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 {
    margin: 50px auto;
    padding-bottom: 50px;
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--tertiary-color);
}

.step:last-child {
    border-bottom: none;
}
.trainer {
  margin: 20px;
  background-color: var(--secondary-color);
  color: var(--primary-color);
  flex: 1;
}

.trainer img {
   width: 100%;
}

.trainer-bio {
    padding: 25px;
    line-height: 1.3;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.trainer-bio h3 {
    font-size: 28px;
}

.trainer-bio h4 {
    font-weight: lighter;
    font-size: 22px;
    margin-bottom: 15px;
}

.trainer-bio p {
    font-size: 17px;
}

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

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

/** Styling iframe */

.contact-info iframe {
    height: 400px;
}

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

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

.contact-info div {
    color: white;
  }

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

.contact-info p , .content-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, .contact-form textarea:focus {
    background-color: rgba(255,255,255, 1);
    outline: none;

}

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

.contact-form button:hover {
    color: var(--primary-color);
    background: var(--tertiary-color);
}

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

.flex-row {
    display: flex;
}

.checkbox-wrapper input, .radio-wrapper input {
    opacity: 0;
}

.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: "";
}

.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);
    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%;
    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);
}

/* MEDIA QUERY FOR SMALLER DESKTOP SCREENS AND SMALLER */

@media screen and (max-width: 980px) {

   header {
    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 screen and (max-width: 768px) {

    section {
        padding: 30px 15px;
      }
      .step h3 {
        flex: 1 100%;
        text-align: center;
        justify-content: 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%;
      }
}

@media screen and (max-width: 575px) {

    .hero-form button {
        width: 100%;
    }
    .section-title {
        width: 95%;
    }
    .intro  {
        width: 100%;
    }
    .trainer {
        flex: 0 100%;
    }
    .contact-info {
        text-align: center;
    }
    .contact-info > * {
        flex: 0 100%;
    }
    .contact-form {
    order: 3;
    }

}