/**
 * CareBridge RCM Solutions - Components (R1 RCM Design Architecture)
 */

/* =========================================================================
   TOP ANNOUNCEMENT NEWS STRIP (Clean White Style)
   ========================================================================= */
.top-news-strip {
    background-color: #FFFFFF !important;
    color: var(--color-text-main);
    padding: 8px 0;
    font-size: 13px;
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}
.news-strip-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.news-link {
    color: var(--color-text-muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition-fast);
}
.news-link:hover {
    color: var(--color-primary);
}
.news-pill {
    background-color: #EBF5FF;
    color: var(--color-primary);
    border: 1px solid #BFDBFE;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =========================================================================
   HEADER & NAVIGATION
   ========================================================================= */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #FFFFFF !important;
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-smooth);
}
.site-header.scrolled {
    background-color: #FFFFFF !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.brand-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.03em;
    color: var(--color-black);
}
.brand-title span {
    color: var(--color-blue);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}
.nav-item {
    position: relative;
    padding: 6px 0;
}
.nav-link {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-main);
    text-decoration: none;
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}
.nav-link:hover, .nav-item:hover > .nav-link {
    color: var(--color-blue);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-black);
}

/* =========================================================================
   MOBILE DRAWER & OVERLAY
   ========================================================================= */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 13, 20, 0.65);
    backdrop-filter: blur(4px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}
.mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 340px;
    max-width: 88vw;
    height: 100vh;
    background: var(--color-white);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
    z-index: 2001;
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.mobile-drawer.active {
    transform: translateX(0);
}
.mobile-close-btn {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text-main);
}

/* =========================================================================
   MEGA MENU (R1 Layout: Large Categorized Columns with Rich Links)
   ========================================================================= */
.mega-menu {
    position: absolute;
    top: calc(100% - 2px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 980px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(10, 13, 20, 0.14);
    padding: var(--space-2xl);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 1010;
}
.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.mega-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}
.mega-col-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}
.mega-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.mega-link-item a {
    text-decoration: none;
    display: block;
}
.mega-link-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-main);
    transition: color var(--transition-fast);
}
.mega-link-item a:hover .mega-link-title {
    color: var(--color-blue);
}
.mega-link-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-top: 3px;
}

/* =========================================================================
   R1-STYLE 3-TAB REVENUE OPERATING SYSTEM COMPONENT
   ========================================================================= */
.os-tabs-container {
    background-color: var(--color-offwhite);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
}

.os-tab-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: var(--space-3xl);
}

.os-tab-btn {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.os-tab-btn:hover {
    border-color: var(--color-blue);
}
.os-tab-btn.active {
    background-color: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}
.os-tab-btn.active .os-tab-label {
    color: var(--color-cyan);
}
.os-tab-btn.active .os-tab-headline {
    color: var(--color-white);
}

.os-tab-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-blue);
    margin-bottom: 8px;
}
.os-tab-headline {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.3;
}

.os-tab-pane {
    display: none;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3xl);
}
.os-tab-pane.active {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-3xl);
    align-items: center;
    animation: fadeIn 0.4s ease;
}

/* =========================================================================
   5-PILLAR OPERATING SYSTEM ARCHITECTURE CARDS
   ========================================================================= */
.pillar-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    transition: all var(--transition-smooth);
}
.pillar-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.pillar-badge {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-blue);
    margin-bottom: var(--space-sm);
}
.pillar-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: var(--space-md);
}
.pillar-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* =========================================================================
   3-COLUMN LARGE INSIGHTS & NEWSROOM (R1-Style Cards)
   ========================================================================= */
.insight-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-smooth);
    text-decoration: none;
}
.insight-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.insight-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: var(--space-md);
}
.insight-title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-main);
    margin-bottom: var(--space-md);
    transition: color var(--transition-fast);
}
.insight-card:hover .insight-title {
    color: var(--color-blue);
}
.insight-snippet {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}
.insight-footer {
    margin-top: auto;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-blue);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* =========================================================================
   MINIMAL 4-COLUMN FOOTER (R1-Style)
   ========================================================================= */
.site-footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding-top: var(--space-5xl);
    padding-bottom: var(--space-2xl);
    border-top: 1px solid var(--color-border-dark);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-4xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-col-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--space-xl);
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.footer-links a:hover {
    color: var(--color-white);
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-2xl);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}
.footer-bottom-links {
    display: flex;
    gap: 24px;
}
.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.footer-bottom-links a:hover {
    color: var(--color-white);
}

/* =========================================================================
   MODAL & COOKIE BANNER
   ========================================================================= */
.lead-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 13, 20, 0.65);
    backdrop-filter: blur(6px);
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
    padding: var(--space-md);
}
.lead-modal.active {
    opacity: 1;
    visibility: visible;
}
.lead-modal-content {
    background: var(--color-white);
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    position: relative;
    box-shadow: var(--shadow-lg);
}
.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-muted);
}

.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    max-width: 440px;
    background-color: var(--color-black);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    display: none;
    font-size: 13px;
}
.cookie-banner.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================================================
   PAGE HEADER WITH NETWORKING EFFECT
   ========================================================================= */
.page-header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #12304A 0%, #0B4F9C 100%);
    color: #FFFFFF;
    padding: var(--space-4xl) 0;
}
.page-header-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.85;
}
.page-header .container {
    position: relative;
    z-index: 2;
}

@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: block; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .os-tab-nav { grid-template-columns: 1fr; }
    .os-tab-pane.active { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .top-news-strip { display: none !important; }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }
    .page-header { padding: var(--space-3xl) 0; }
}