* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: #f8f9fa;
    line-height: 1.5;
}
.product-block-title {
    font-size: 24px;
    font-weight: 600;
}
.nav-menu {
    display: flex;
    list-style: none;
    margin-top: 0;
    margin-bottom: 0;
    gap: 25px;
}
.nav-menu a {
    position: relative;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: color 0.3s ease;
}
.header-nav {
    background: #4982e7;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    margin-bottom: 12px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 45px;
}
.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -4px;
    left: 50%;
    background: #000000;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}
.nav-menu a:hover {
    color: #000000;
}
.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a.active {
    color: #000000;
    font-weight: 700;
}
.nav-menu a.active::after {
    width: 100%;
}

.footer-dark {
    padding: 20px 0 10px 0;
    color:#f0f9ff;
    background-color:#282d32;
}

.footer-dark h3 {
    margin-top:0;
    margin-bottom:12px;
    font-weight:bold;
    font-size:16px;
}

.footer-dark ul {
    padding:0;
    list-style:none;
    line-height:1.6;
    font-size:14px;
    margin-bottom:0;
}

.footer-dark ul a {
    color:inherit;
    text-decoration:none;
    opacity:0.6;
}

.footer-dark ul a:hover {
    opacity:0.8;
}

.footer-dark .logo-list {
    margin-top: 10px;
    text-align: center;
}

.footer-dark .copyright {
    text-align:center;
    padding-top: 10px;
    opacity: 0.6;
    font-size:13px;
    margin-bottom:0;
}