* {
    box-sizing:border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
a {
    color:#4F46E5;
}
a,
button,
input,
textarea,
select {
    outline:0!important;
}
html {
    font-size:16px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color:#1F2937;
}
body {
    margin:0;
    background:#fff;
}
header {
    box-shadow:0 1px 2px 0 rgba(0, 0, 0, 0.05);
    position:sticky;
    z-index:1000;
    top:0;
    padding:20px 0;
    background:#fff;
    @media screen and (max-width:1025px) {padding:10px 0;}
}
.container {
    max-width:1600px;
    width:100%;
    margin:0 auto;
    padding:0 15px;
    @media screen and (max-width:1630px) {
        max-width:1400px;
    }
    @media screen and (max-width:1430px) {
        max-width:1200px;
    }
}
.row {
    display:flex;
    flex-wrap:wrap;
}
header .row {
    align-items:center;
    justify-content:space-between;
    gap:15px;
}
a.logo {
    display:flex;
    align-items:center;
    gap:15px;
    text-decoration:none;
    @media screen and (max-width:575px) {gap:5px;}
}
a.logo img {
    width:50px;
    height:50px;
    @media screen and (max-width:575px) {width:30px;height:30px;}
}
a.logo span {
    flex: 1 1 0;
    font-size:24px;
    font-weight:700;
    @media screen and (max-width:1025px) {
        font-size:20px;
    }
    @media screen and (max-width:575px) {font-size:12px;}
}
ul.main_nav {
    display:flex;
    gap:25px;
    align-items:center;
    list-style:none;
    margin:0;
    padding:0;
    @media screen and (max-width:1200px) {
        gap:15px;
    }
    @media screen and (max-width:1025px) {
        display:none;
    }
}
ul.main_nav li a {
    text-decoration:none;
    font-weight:500;
    font-size:1rem;
    color:#1F2937;
    @media screen and (max-width:1025px) {font-size:2rem;}
    @media screen and (max-width:575px) {font-size:1rem;}
}
ul.main_nav li:hover a,
ul.main_nav li.active a{
    color:#4F46E5;
}
.btn {
    cursor:pointer;
    background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border:none;
    border-radius:8px;
    font-weight:600;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    color:#fff;
    padding:12px 24px;
    transition: all 0.3s;
    font-size:14px;
    text-decoration:none;
    @media screen and (max-width:1200px) {
        gap:5px;
    }
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow:0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.btn img {
    width:21px;
}
.btn span {
    flex: 1 1 0;
}
#mobile_menu {
    display:none;
    @media screen and (max-width:1025px) {
        display:flex;
    }
}
.buttons_header {
    display:flex;
    gap:5px;
    align-items:center;
}
#callback span {
    @media screen and (max-width:1025px) {
        display:none;
    }
}
#exit_mobile_menu {
    display:none;
}
#exit_mobile_menu img {
    height:24px;
}
header nav.opened #exit_mobile_menu {
    display:flex;
    position:absolute;
    right:15px;
    top:15px;
    z-index:5;
}
header nav.opened {
    display: flex;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    z-index: 1100;
    background: #fff;
    align-items: center;
    justify-content: center;
    padding-top:80px;
}
header nav.opened ul.main_nav {
    display: flex;
    flex-flow: column;
    height: calc(100vh - 80px);
    overflow-y: scroll;
    width: 100%;
    justify-content:center;
}
header nav.opened ul.main_nav li {
    padding:0 15px;
    width:100%;
}
header nav.opened ul.main_nav li a {
    display:block;
    text-align:center;
    font-size:28px;
    font-weight:700;
}
.breadcrumbs_valid {
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:7px 15px;
    padding:20px 0;
    list-style:none;
    margin:0;
    font-size:14px;
    @media screen and (max-width:1025px) {font-size:12px;gap:5px;padding:10px 0;}
}
.breadcrumbs_valid li {
    position:relative;
}
.breadcrumbs_valid a {
    color:#999;
    text-decoration:none;
}
.dropdown_crumbs {
    display:none;
    background:#fff;
    box-shadow:0 0 15px 0 rgba(0,0,0,.1);
    position:absolute;
    z-index:2;
    top:18px;
    left:0;
    min-width: 200%;
    padding: 10px 15px;
    border-radius: 6px;
    flex-flow: column;
    gap: 5px;
}
.breadcrumbs_valid li:hover .dropdown_crumbs {
    @media (min-width:1200px) {
        display:flex;
    }
}