* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Open Sans", sans-serif;
}


/* меню */

.brand-logo {
    width: 200px;
    height: 100%;
    padding-top: 10px !important;
}

nav {
    background-color: #ffff;
}

nav ul a {
    color: rgba(0, 0, 0, .7);
    height: 50px;
}

nav ul .kon a {
    padding: 0 0 0 15px !important;
}

nav ul a:hover {
    border-bottom: 3px solid #0992c9;
    background-color: transparent;
    padding: 0;
    margin: 0 15px;
}

nav i.material-icons {
    font-size: 30px;
    color: #0992c9;
}

nav .sidenav-trigger {
    margin: 0 18px 0 0;
}


/* слоган */

#slogan {
    flex-direction: column;
    align-items: center;
    display: flex;
    justify-content: flex-end;
    background: url(../images/background.jpg);
    background-size: cover;
    width: 100%;
    height: 100vh;
    background-position: center;
    padding-bottom: 60px;
    margin-bottom: 100px;
}

.zagol {
    color: #fff;
    font-size: 80px;
    font-weight: 700;
    text-align: center;
}

.zagol span {
    font-weight: 300;
}


/* о нас */

.nas {
    margin-bottom: 0;
    display: flex;
    align-items: center;
}

#zagol_01 {
    text-align: center;
    text-transform: uppercase;
    font-size: 30px;
    color: rgba(0, 0, 0, .7);
    padding-top: 90px;
    margin-top: -90px !important;
    margin: 0 0 10px 0;
}

#zagol_01:after {
    content: "";
    width: 37px;
    height: 0.67px;
    background-color: rgba(0, 0, 0, .4);
    display: block;
    margin: 0 auto;
    margin-top: 14px;
    margin-bottom: 40px;
}

.im_00 {
    width: 100%;
}

.stil {
    color: rgba(0, 0, 0, .7);
    font-size: 18px;
}

#o_nas,
#uslugi {
    margin-bottom: 100px;
}

.im {
    /* width: 294px; */
    width: 100%;
    /* height: 277px; */
    transition: 0.5s linear;
    border-radius: 5px;
}

.im:hover {
    opacity: 0.5;
}

.zagol_03 {
    font-size: 19px;
    color: rgba(0, 0, 0, .7);
    margin-top: 10px;
}

.zagol_03:hover {
    font-weight: 600;
    color: #0992c9;
}

.slik {
    display: flex;
    align-items: center;
    text-align: center;
    flex-direction: column;
    margin-bottom: 40px;
}

.popo {
    /* width: 1000px; */
    margin-bottom: 0;
}

#portfo {
    margin-bottom: 60px;
}


/* слоган 2 */

#slogan_2 {
    align-items: center;
    display: flex;
    justify-content: center;
    background: url(../images/round.jpg);
    background-size: cover;
    width: 100%;
    height: 444px;
    background-position-y: 35%;
    margin-bottom: 100px;
}

.zagol_04 {
    font-size: 41px;
    color: #fff;
    font-weight: 600;
    line-height: 1.25em;
}

.zagol_04 span {
    font-weight: 200;
}


/* услуги */

.img {
    width: 64px;
    height: 64px;
    margin-top: 10px;
}

.zagol_05 {
    font-size: 25px;
    color: rgba(0, 0, 0, .7);
    margin-top: 25px;
    font-weight: 400;
}

.diz {
    color: rgba(0, 0, 0, .7);
    font-size: 18px;
    margin-top: 5px;
}

.uslug,
.slik2,
.kontakt {
    margin-bottom: 0;
}

.slik2 {
    display: flex;
    align-items: center;
    text-align: center;
    flex-direction: column;
}


/* контакты */

.diz1 a {
    font-weight: bold;
    color: rgba(0, 0, 0, .7);
}

.diz1 {
    margin: 20px 0;
}

.img1 {
    width: 44px;
    height: 44px;
}

#kontakty {
    /* margin-bottom: 80px; */
    padding-bottom: 10px;
    background: linear-gradient(0deg, rgb(240, 240, 240) 80%, rgba(255, 255, 255, 1) 80%);
}


/* футер */

.page-footer {
    background-color: #292929;
    height: 80px;
}

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

.brand-logo1 img {
    width: 200px;
    height: 100%;
}

.sylki {
    display: flex;
}

.light,
.light1 {
    color: #fff;
    cursor: pointer;
}

.light1 {
    padding-left: 45px;
    font-weight: 300;
}

.light1:hover,
.light:hover {
    text-decoration: underline;
}


/* боковое меню */

.sidenav {
    width: 200px;
    opacity: 1.5;
}

.sidenav li a {
    color: #0992c9;
    font-size: 20px;
}

.sidenav-overlay {
    background-color: rgba(0, 0, 0, 0.1);
}


/* остальные страницы */

#zagol_001 {
    text-align: center;
    text-transform: uppercase;
    font-size: 30px;
    color: rgba(0, 0, 0, .7);
    margin: 40px 0 10px 0;
}

#zagol_001:after {
    content: "";
    width: 37px;
    height: 0.67px;
    background-color: rgba(0, 0, 0, .4);
    display: block;
    margin: 0 auto;
    margin-top: 14px;
    margin-bottom: 40px;
}

.wewe {
    width: 140px !important;
    margin-bottom: 10px;
}

.wewe img {
    width: 130px;
    height: 130px;
    background-size: cover;
}

.wewe img:hover {
    border: solid 4px #0993c994;
}

#button {
    display: inline-block;
    background-color: #2f90c5;
    width: 40px;
    height: 40px;
    text-align: center;
    border-radius: 4px;
    margin: 30px;
    position: fixed;
    bottom: 30px;
    right: 30px;
    transition: background-color .3s, opacity .5s, visibility .5s;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    cursor: pointer;
}

#button.show {
    opacity: 1;
    visibility: visible;
}

.fas {
    font-size: 3em;
    line-height: 0.9 !important;
    color: #fff;
}

@media screen and (max-width: 1200px) {
    .zagol_03 {
        font-size: 18px;
    }
}

@media screen and (max-width: 1024px) {
    .stil {
        font-size: 16px;
    }
    .coco {
        width: 1000px;
    }
}

@media screen and (max-width: 960px) {
    nav,
    .coco {
        width: 960px;
    }
    .wer {
        width: 840px;
    }
}

@media screen and (max-width: 768px) {
    #slogan {
        padding-bottom: 20px;
    }
    .stil {
        font-size: 15px;
    }
    .coco {
        width: 652px;
    }
    .wer {
        width: 570px;
    }
    nav .brand-logo {
        margin-left: -60px;
    }
}

@media screen and (max-width: 640px) {
    nav .brand-logo {
        margin-left: -120px;
    }
    .zagol_04 {
        font-size: 35px;
    }
    .diz {
        font-size: 15px;
    }
    .zagol {
        font-size: 70px;
    }
    .coco {
        width: 640px;
    }
    #button {
        bottom: 10px;
        right: 10px;
        margin: 20px;
    }
}

@media screen and (max-width: 480px) {
    nav .brand-logo {
        margin-left: 30px;
    }
    .nas {
        flex-direction: column;
    }
    .stil {
        font-size: 14px;
    }
    .zagol_04 {
        font-size: 30px;
    }
    .zagol {
        font-size: 61px;
    }
    #slogan_2 {
        height: 330px;
    }
    nav,
    .coco {
        width: 480px;
    }
    .wer {
        width: 420px;
    }
}

@media screen and (max-width: 425px) {
    #slogan {
        padding-bottom: 0px;
    }
    .zagol {
        font-size: 61px;
    }
    .nas {
        flex-direction: column;
    }
    .coco {
        width: 382px;
    }
    .zagol_04 {
        font-size: 30px;
    }
    .brand-logo1 img {
        width: 150px;
    }
    .light1 {
        padding-left: 50px;
    }
    #uslugi {
        margin-bottom: 80px;
    }
    .wer {
        width: 290px;
    }
    #kontakty {
        padding-bottom: 0;
    }
    nav .brand-logo {
        margin-left: -8px;
    }
    #slogan_2 {
        height: 370px;
    }
}

@media screen and (max-width: 375px) {
    .coco {
        width: 337px;
    }
    .zagol_04 {
        font-size: 30px;
    }
    .brand-logo1 img {
        width: 130px;
    }
    .light1 {
        padding-left: 40px;
    }
    #uslugi {
        margin-bottom: 80px;
    }
    #kontakty {
        padding-bottom: 0;
    }
    nav .brand-logo {
        margin-left: -22px;
    }
    .zagol {
        font-size: 57px;
    }
    #slogan_2 {
        height: 370px;
    }
    #button {
        margin: 15px;
    }
}

@media screen and (max-width: 320px) {
    .zagol {
        font-size: 47px;
    }
    .coco {
        width: 288px;
    }
    .zagol_04 {
        font-size: 28px;
    }
    .brand-logo1 img {
        width: 100px;
    }
    .light1 {
        padding-left: 20px;
    }
    #uslugi {
        margin-bottom: 80px;
    }
    #kontakty {
        padding-bottom: 0;
    }
    .zagol_04 {
        font-size: 25px;
    }
    #slogan_2 {
        height: 320px;
    }
    nav .brand-logo {
        margin-left: -51px;
    }
    #button {
        margin: 5px;
    }
}