:root {
    --primary-text-color: #212121;
    --second-text-color: #757575;
    --primary-white-color: #FFFFFF;
}

body {
    font-size: 14px;
    font-family: 'Roboto', sans-serif;
    letter-spacing: 0.03em;
    color: var(--primary-text-color);
    background-color: var(--primary-white-color);
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.logo {
        font-family: 'Raleway';
        font-weight: 700;
        font-size: 26px;
        line-height: 1.19;
        
        color: #2196F3;        
}

.logo-footer {
    color: #FFFFFF;
}

span {
    color: #000000;
}

.link:hover,
.link:focus {
    color: #2196F3;
}

.mail {
        font-family: 'Roboto';
        font-weight: 500;
        font-size: 14px;
        line-height: 1.14;
        letter-spacing: 0.02em;

        color: var(--second-text-color);
}

.tel {
        font-family: 'Roboto';
        font-weight: 500;
        font-size: 14px;
        line-height: 1.14;
        letter-spacing: 0.02em;
    
        color: var(--second-text-color);
}

.studio {
        font-weight: 500;
        font-size: 14px;
        line-height: 1.14;
        letter-spacing: 0.02em;

        color: var(--primary-text-color);
}

.portfolio {
        font-weight: 500;
        font-size: 14px;
        line-height: 1.14;
        letter-spacing: 0.02em;
    
        color: var(--primary-text-color);
}

.contact {
        font-weight: 500;
        font-size: 14px;
        line-height: 1.14;
        letter-spacing: 0.02em;
    
        color: var(--primary-text-color);
}

.hero {
    background: #2F303A;
}

.title {
    font-weight: 900;
    font-size: 44px;
    line-height: 1.36;
    /* or 136% */

    text-align: center;
    letter-spacing: 0.06em;
    text-transform: uppercase;

    color: var(--primary-white-color);
}

.button {
        background: #2196F3;
        color: white;
        border-radius: 4px;
        border: none;
        padding: 8px;
        cursor: pointer;
        font-size: 16px;
        font-family: 'Roboto';
}

.button:hover,
.button:focus {
    background: #188CE8;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
    color: white;    
}

.btn {
    background: #F5F4FA;
    color: #212121;
    border-radius: 4px;
    border: none;
    padding: 8px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Roboto';
}

.btn:hover, .btn:focus {
    background: #2196F3;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.15);
    color: white;
}

.visually-hidden {
    position: absolute;
        white-space: nowrap;
        width: 1px;
        height: 1px;
        overflow: hidden;
        border: 0;
        padding: 0;
        clip: rect(0 0 0 0);
        clip-path: inset(50%);
        margin: -1px;
}

.section2 {
    background: #F5F4FA;
}

address {
    font-style: normal;
}

footer {
    background: #2F303A;
    color: #FFFFFF; 
}