* {
    box-sizing: border-box;
}

html {
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    color: #333333;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: #1b5a91;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-width {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ==================================================
   TOP BAR
   ================================================== */

.top-bar {
    background: #183b59;
    color: #ffffff;
    font-size: 13px;
}

.top-bar-inner {
    min-height: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-bar a {
    color: #ffffff;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-separator {
    color: #8fa8bd;
}

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

.main-header {
    background: #ffffff;
}

.header-inner {
    min-height: 105px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: inline-block;
}

.logo img {
    display: block;
    width: auto;
    max-width: 310px;
    max-height: 75px;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    flex-direction: column;
    text-align: right;
}

.phone-label {
    color: #777777;
    font-size: 12px;
    text-transform: uppercase;
}

.header-phone a {
    color: #183b59;
    font-size: 20px;
    font-weight: bold;
}

.header-chat {
    background: #ef7d22;
    color: #ffffff;
    padding: 10px 18px;
    border-radius: 3px;
    font-weight: bold;
}

.header-chat:hover {
    color: #ffffff;
    text-decoration: none;
    background: #d96813;
}

/* ==================================================
   PRODUCT NAVIGATION
   ================================================== */

.product-nav {
    background: #244f73;
    border-top: 1px solid #d5d5d5;
    border-bottom: 4px solid #ef7d22;
}

.nav-inner {
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
}

.product-nav a {
    display: block;
    color: #ffffff;
    padding: 13px 14px;
    font-size: 13px;
    font-weight: bold;
    border-right: 1px solid rgba(255,255,255,.15);
}

.product-nav a:hover {
    background: #183b59;
    color: #ffffff;
    text-decoration: none;
}

/* ==================================================
   PAGE
   ================================================== */

.page-container {
    background: #ffffff;
    min-height: 600px;
    padding-top: 30px;
    padding-bottom: 45px;
}

.welcome-box {
    background: #f0f4f7;
    border: 1px solid #d8e0e6;
    border-left: 5px solid #ef7d22;
    padding: 25px 30px;
    margin-bottom: 30px;
}

.welcome-box h1 {
    margin: 0 0 8px 0;
    color: #183b59;
    font-size: 34px;
}

.welcome-box p {
    margin: 0;
    color: #555555;
    font-size: 17px;
}

.content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 35px;
    align-items: start;
}

.main-content {
    min-width: 0;
}

.sidebar {
    min-width: 0;
}

.section-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 2px solid #e6e6e6;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.section-title-row h1,
.section-title-row h2 {
    margin: 0;
    color: #183b59;
}

.section-title-row h2 {
    font-size: 25px;
}

.view-all-link {
    font-size: 13px;
    font-weight: bold;
}

/* ==================================================
   BREADCRUMBS
   ================================================== */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 15px;
    color: #888888;
    font-size: 12px;
}

.breadcrumb a {
    color: #1b5a91;
}

/* ==================================================
   ARTICLES
   ================================================== */

.article-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.article-card {
    background: #ffffff;
    border: 1px solid #dddddd;
    border-left: 4px solid #244f73;
    padding: 20px 22px;
    transition:
        border-color .15s ease,
        box-shadow .15s ease;
}

.article-card:hover {
    border-left-color: #ef7d22;
    box-shadow:
        0 2px 8px rgba(0,0,0,.08);
}

.article-card h2 {
    margin: 5px 0 8px 0;
    font-size: 21px;
    line-height: 1.35;
}

.article-card h2 a {
    color: #183b59;
}

.article-card h2 a:hover {
    color: #ef7d22;
}

.article-card p {
    margin: 10px 0 15px 0;
    color: #555555;
}

.article-card-date {
    float: right;
    color: #888888;
    font-size: 12px;
}

.article-category {
    color: #ef7d22;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: .3px;
}

.read-more {
    display: inline-block;
    color: #1b5a91;
    font-size: 13px;
    font-weight: bold;
}

/* ==================================================
   SIDEBAR
   ================================================== */

.sidebar-box {
    margin-bottom: 22px;
    border: 1px solid #d5d5d5;
    background: #ffffff;
}

.sidebar-title {
    background: #244f73;
    color: #ffffff;
    font-size: 17px;
    font-weight: bold;
    padding: 12px 15px;
    border-bottom: 4px solid #ef7d22;
}

.software-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.software-links li {
    border-bottom: 1px solid #e5e5e5;
}

.software-links li:last-child {
    border-bottom: 0;
}

.software-links a {
    display: block;
    padding: 11px 14px;
    color: #244f73;
    font-size: 13px;
    font-weight: bold;
}

.software-links a:hover {
    background: #f3f6f8;
    color: #ef7d22;
    text-decoration: none;
}

.contact-box {
    padding-bottom: 15px;
}

.contact-box p {
    margin: 12px 15px;
    font-size: 14px;
}

.contact-box .sidebar-title {
    margin-bottom: 15px;
}

.phone-number a {
    color: #183b59;
    font-size: 19px;
    font-weight: bold;
}

.chat-button {
    display: inline-block;
    background: #ef7d22;
    color: #ffffff;
    padding: 8px 15px;
    border-radius: 3px;
    font-weight: bold;
}

.chat-button:hover {
    background: #d96813;
    color: #ffffff;
    text-decoration: none;
}

/* ==================================================
   ARTICLE PAGE
   ================================================== */

.article-page h1 {
    color: #183b59;
    font-size: 36px;
    line-height: 1.25;
    margin: 5px 0 8px 0;
}

.article-meta {
    color: #888888;
    font-size: 13px;
    margin-bottom: 25px;
}

.article-banner {
    margin: 0 0 28px 0;
}

.article-banner img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 450px;
    object-fit: cover;
    border: 1px solid #dddddd;
}

.article-content {
    font-size: 16px;
    color: #333333;
}

.article-content h2 {
    color: #183b59;
    font-size: 25px;
    margin-top: 32px;
    margin-bottom: 12px;
}

.article-content h3 {
    color: #244f73;
    font-size: 20px;
    margin-top: 28px;
}

.article-content p {
    margin: 0 0 18px 0;
}

.article-content ul,
.article-content ol {
    margin-bottom: 20px;
}

.article-content img {
    max-width: 100%;
    height: auto;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
}

.article-content th,
.article-content td {
    border: 1px solid #cccccc;
    padding: 9px 11px;
    text-align: left;
}

.article-content th {
    background: #edf2f5;
    color: #183b59;
}

.article-content blockquote {
    border-left: 4px solid #ef7d22;
    background: #f4f6f8;
    padding: 12px 20px;
    margin: 22px 0;
    color: #555555;
}

.featured-software {
    margin-top: 35px;
    border: 1px solid #d5d5d5;
    background: #f4f6f8;
    padding: 18px 20px;
}

.featured-software-title {
    color: #183b59;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 6px;
}

.featured-software a {
    font-weight: bold;
}

.empty-library {
    border: 1px solid #dddddd;
    background: #f8f8f8;
    padding: 30px;
    text-align: center;
}

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

.site-footer {
    background: #183b59;
    color: #dce7ef;
    border-top: 5px solid #ef7d22;
}

.footer-columns {
    display: grid;
    grid-template-columns:
        1.5fr 1fr 1fr;
    gap: 45px;
    padding: 38px 0 30px 0;
}

.footer-column h3 {
    color: #ffffff;
    font-size: 17px;
    margin: 0 0 15px 0;
}

.footer-column p {
    margin: 8px 0;
    font-size: 13px;
}

.footer-column a {
    display: block;
    color: #dce7ef;
    margin-bottom: 8px;
    font-size: 13px;
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-about p {
    max-width: 320px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.15);
    padding: 20px 0 25px 0;
}

.disclaimer {
    margin: 0 0 15px 0;
    color: #c4d3de;
    font-size: 11px;
    line-height: 1.6;
    max-width: 1050px;
}

.copyright {
    margin: 0;
    color: #aebfcb;
    font-size: 11px;
}

/* ==================================================
   RESPONSIVE
   ================================================== */

@media (max-width: 900px) {

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .header-contact {
        width: 100%;
        justify-content: flex-start;
    }

    .content-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        order: 2;
    }

    .footer-columns {
        grid-template-columns: 1fr 1fr;
    }

}

@media (max-width: 650px) {

    .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
        padding-top: 8px;
        padding-bottom: 8px;
        gap: 4px;
    }

    .header-contact {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-phone {
        text-align: left;
    }

    .product-nav a {
        padding: 10px 9px;
        font-size: 12px;
    }

    .welcome-box h1 {
        font-size: 28px;
    }

    .article-page h1 {
        font-size: 28px;
    }

    .section-title-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-columns {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .article-card-date {
        float: none;
        margin-bottom: 5px;
    }

}