* {
    box-sizing: border-box;
}
img {
    max-width: 100%;
}

body {
   background-color: #20202d; 
   margin: 0;
   color: #fff;
   font-family: 'Roboto', sans-serif;
}

.container {
    width: 90%;
    max-width: 945px;
    margin: auto;
}
.section {
    padding-top: 64px;
    padding-bottom: 92px;
}
.section-title {
    margin: 0;
    margin-bottom: 84px;
    font-weight: bold;
    font-size: 36px;
    line-height: 42px;
}
.hero {
    padding-top: 50px;
    padding-bottom: 155px;   
    background: linear-gradient(0.01deg, #000000 0.01%, rgba(0, 0, 0, 0) 95.44%);
    
}
.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 105px;
}

.social-link {
    margin-left: 20px;
}

.social-link:first-child {
    margin-left: 0;
}



.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-subtitle {
    display: block;
    font-size: 24px;
    line-height: 28px;
    color: #FFBB01;
    margin-bottom: 14px;
}

.hero-title {
    font-weight: bold;
    font-size: 50px;
    line-height: 59px;
    margin-top: 0;
    margin-bottom: 20px;

}

.hero-description {
    font-size: 16px;
    line-height: 28px;
    max-width: 420px;
    margin-bottom: 38px;
}

.button {
    background: linear-gradient(180deg, #FDDE76 0%, #FFBB01 100%);
    box-shadow: 0px 4px 0px #B68500;
    border: none;
    border-radius: 5px 5px 10px 10px;
    padding:24px 42px;
    font-size: 12px;
    line-height: 14px;
    text-transform: uppercase;
    font-weight: bold;
}

.hero-avatar {
    width: 389px;
    height: 389px;
    border-radius: 50%;
    background-image: url('../img/avatar_test.jpg'); 
    background-repeat: no-repeat;
    background-position: center center;
    border: 13px solid #fff;
}

/* features */

.features {
    background-color: #000000;

}

.features-block {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.features-item {
    flex-basis: 30%;
    margin-bottom: 63px;
}
.features-image {
    display: block;
    margin-bottom: 22px;
}

.features-title {
    font-weight: bold;
    font-size: 24px;
    line-height: 28px;
    margin: 0;
    margin-bottom: 16px;
}

.features-text {
    font-weight: normal;
    font-size: 16px;
    line-height: 28px;
    margin: 0;
}

/* projects */
.project {
    background: linear-gradient(180deg, #000000 0%, rgba(0, 0, 0, 0) 95.44%);
}

.project-slide {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.project-text {
    flex-basis: 60%;
    display: flex;
    flex-wrap: wrap;
}

.project-image {
    border-radius: 6px;
}

.project-title {
    flex-basis: 100%;
    font-weight: bold;
    font-size: 24px;
    line-height: 28px;
    margin: 0;
    margin-bottom: 41px;
}

.project-time, .project-cost  {
    flex-basis: 50%;
    margin-bottom: 44px;
}

.project-time, .project-cost, .project-feedback {
    display: flex;
    align-items: flex-start;
}
.project-subtitle {
    margin: 0;
    margin-bottom: 7px;
    font-weight: bold;
    font-size: 18px;
    line-height: 21px;
}

.project-paragraph {
    margin: 0;
    font-weight: normal;
    font-size: 16px;
    line-height: 150%;
}

.project-icon {
    margin-right: 16px;
}

.projects-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 44px;
}

.projects-bullet {
    width: 10px;
    height: 10px;
    border: 2px solid #FFBB01;
    border-radius: 50%;
    display: inline-block;
    margin-left: 5px;
    margin-right: 5px;
}

.projects-bullet-active {
    background-color: #ffbb01;
}




/* contacts */

.contacts-form {
   background: #FFFFFF;
   box-shadow: -5px 5px 0px #FFC41D;
   border-radius: 5px; 
   max-width: 380px;
   padding-top: 40px;
   padding-left: 48px;
   padding-right: 48px;
   padding-bottom: 49px;
}

.form-title {
    font-weight: bold;
    font-size: 18px;
    line-height: 28px;
    text-align: center;
    color: #000000;
    margin: 0;
    margin-bottom: 29px;
}

.input {
    background: #F8F8F8;
    border: none;
    box-shadow: inset 0px 3px 10px rgba(199,199,199,0.25);
    border-radius: 5px;
    padding: 18px 20px;
    padding-left: 50px;
    width: 100%;
    font-size: 14px;
    line-height: 28px;    
}

.input-name {
    margin-bottom: 17px;
    background-image: url(../img/user-icon.svg);
    background-repeat: no-repeat;
    background-position: center left 20px;
}

.input-phone {
    margin-bottom: 17px;
    background-image: url(../img/phone-icon.svg);
    background-repeat: no-repeat;
    background-position: center left 20px;
}

.form-button {
    max-width: 100%;
}

.contacts-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.contacts-text {
    flex-basis: 50%;
}

.contacts-data {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 42px;
}

.contacts-phone, .contacts-mail {
    flex-basis: 50%;
    margin-bottom: 53px;
}

.contacts-social {
    flex-basis: 100%;
}

.contacts-title {
    font-weight: bold;
    font-size: 24px;
    line-height: 28px;
    margin: 0;
    margin-bottom: 15px;
}

.contacts-link {
    text-decoration: none;
    color: inherit;
    margin-right: 37px;
}

.contacts-link:hover {
    text-decoration: underline;
}
.contacts-policy {
    display: inline-block;
    font-size: 15px;
    line-height: 18px;
    text-decoration: underline;
    color: #A5A5A5;
    margin-top: 72px;
}

/* responsive */

@media (max-width:1100px) {
    .hero-avatar {
        width: 300px;
        height: 300px;
        border-width: 10px;
    }
    .contacts-text {
        margin-left: 0px;
    }
    .project-image {
        margin-right: 60px;
    }
}

@media (max-width:836px) {
    .hero-content {
        flex-direction: column;
    }

    .hero-avatar {
        order: 0;
        width: 300px;
        height: 300px;
        border-width: 10px;
        margin-bottom: 17px;
    }
    .hero-text {
        order: 1;
        text-align: center;
    }

    .features-item {
        flex-basis: 45%;
    }

    .project-slide {
        flex-direction: column;   
    }
    .project-image {
        margin-bottom: 46px;  
    }

    .contacts-block {
        align-items: flex-start;
        flex-direction: column;
    }
    .contacts-form {
        margin-bottom: 58px;
        margin-right: 60px;
    }
    .contacts-data {
        margin-left: 60px;
        margin-left: 0;
    }
}

@media (max-width: 564px) {
    .hero {
        padding-bottom: 75px;
    }
    .hero-avatar {
        width: 113px;
        height: 113px;
        border-width: 4px;
        background-size: 100%;
        background-position:center top;
    }
    .hero-header {
        margin-bottom: 38px;
    }
    .social-link{
        margin-left: 5px;
    }
    .hero-title {
        font-size: 24px;
        line-height: 28px;
    }
    .hero-subtitle {
        font-size: 16px;
        line-height: 27px;
        margin-bottom: 5px;
    }
    .hero-description {
        font-size: 14px;
        line-height: 140%;
    }
    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 19px;
        line-height: 22px;
        margin-bottom: 60px;
    }
    .features-item {
        flex-basis: 100%;
        margin-bottom: 30px;
    }
    .features-title {
       font-size: 18px;
       line-height: 28px;
    }
    .features-text {
        font-size: 14px;
        line-height: 28px;
    }
    .project-title {
        font-size: 18px;
        line-height: 150%;
    }
    .project-time, .project-cost, .project-feedback {
       flex-basis: 100%;
       margin-bottom: 30px;
    }
    .project-paragraph {
        font-size: 14px;
    }
    .contacts-form {
       padding: 40px 19px; 
    }
    .form-title {
        font-size: 15px;
        line-height: 140%;
    }
    .form-button {
        font-size: 10px;
    }
    .contacts-phone, .contacts-mail {
        flex-basis: 100%;
        margin-bottom: 30px;
    }
    .contacts-title {
        font-size: 18px;
        line-height: 21px;
    }
    .contacts-link {
        font-size: 14px;
        line-height: 16px;
        display: block;
        margin-bottom: 13px;
    }

    
}