body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

.site-header {
    background: #0b1c2d;
    color: #fff;
}

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

.header-contacts a {
    color: #1ea7fd;
    display: block;
    font-size: 14px;
}

.hero {
    background: linear-gradient(135deg,#0b1c2d,#123b63);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

section {
    padding: 80px 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}

.card {
    padding: 30px;
    background: #f5f7fa;
    border-radius: 6px;
}

.site-footer {
    background: #081522;
    color: #aaa;
    padding: 50px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    font-size: 14px;
}

@media(max-width:900px){
    .grid-3,.footer-grid {grid-template-columns:1fr;}
    .header-inner {flex-direction:column;}
}


/* ===== SINEX HEADER ===== */

.header-top {
    background: #ffffff;
    border-bottom: 1px solid #d9e6ef;
    font-size: 14px;
    color: #7a9bb3;
}

.header-top-inner {
    display: flex;
    justify-content: flex-end;
    gap: 20px;
    padding: 8px 0;
    align-items: center;
}

.top-question {
    margin-right: auto;
    color: #7a9bb3;
}

.top-link {
    color: #6fa1c9;
    text-decoration: none;
}

.top-link:hover {
    text-decoration: underline;
}

/* MAIN HEADER */

.header-main {
    background: #ffffff;
    border-bottom: 1px solid #e3eef6;
}

.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.header-logo img {
    max-height: 60px;
}

.header-menu .menu {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.header-menu .menu li a {
    font-size: 16px;
    color: #7a9bb3;
    text-decoration: none;
    font-weight: 500;
}

.header-menu .menu li a:hover {
    color: #4b6f8c;
}

.header-search {
    font-size: 18px;
    color: #7a9bb3;
    cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .header-top-inner {
        flex-wrap: wrap;
        justify-content: center;
    }

    .top-question {
        margin: 0;
        width: 100%;
        text-align: center;
    }

    .header-menu .menu {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ===== SINEX FOOTER ===== */

.sinex-footer {
    background: #e8f1f7;
    padding: 40px 0;
    font-size: 14px;
    color: #5b7c95;
}

.footer-inner {
    display: grid;
    grid-template-columns: 220px 1fr 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.footer-logo img {
    max-width: 180px;
}

.sinex-footer h4 {
    font-size: 18px;
    color: #4b6f8c;
    margin-bottom: 15px;
    font-weight: 600;
}

.sinex-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sinex-footer ul li {
    margin-bottom: 8px;
    position: relative;
    padding-left: 18px;
}

.sinex-footer ul li::before {
    content: "▪";
    position: absolute;
    left: 0;
    color: #6fa1c9;
    font-size: 14px;
}

.sinex-footer a {
    color: #6fa1c9;
    text-decoration: none;
}

.sinex-footer a:hover {
    text-decoration: underline;
}

.footer-contacts p {
    margin-bottom: 15px;
    line-height: 1.5;
}

.footer-contacts strong {
    color: #4b6f8c;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .sinex-footer ul li {
        padding-left: 0;
    }

    .sinex-footer ul li::before {
        display: none;
    }
}