/* QR Pay Professional Design System */
:root {
    --qr-black: #000000;
    --qr-white: #ffffff;
    --qr-gray-50: #fafafa;
    --qr-gray-100: #f5f5f5;
    --qr-gray-200: #eeeeee;
    --qr-gray-300: #e0e0e0;
    --qr-gray-400: #bdbdbd;
    --qr-gray-500: #9e9e9e;
    --qr-gray-600: #757575;
    --qr-gray-700: #616161;
    --qr-gray-800: #424242;
    --qr-gray-900: #212121;
    
    /* Spacing system */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Typography scale */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;
    --font-4xl: 2.25rem;
    --font-5xl: 3rem;
    --font-6xl: 3.75rem;
    --font-7xl: 4.5rem;
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Typography Improvements */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--qr-gray-900);
    background-color: var(--qr-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--qr-black);
}

.display-1 { 
    font-size: clamp(3rem, 8vw, var(--font-7xl));
    font-weight: 900;
}

.display-2 { font-size: clamp(2.5rem, 6vw, var(--font-6xl)); }
.display-3 { font-size: clamp(2rem, 5vw, var(--font-5xl)); }
.display-4 { font-size: clamp(1.75rem, 4vw, var(--font-4xl)); }
.display-5 { font-size: clamp(1.5rem, 3vw, var(--font-3xl)); }
.display-6 { font-size: clamp(1.25rem, 2.5vw, var(--font-2xl)); }

/* Header/Navbar Styling */
#top-navbar {
    background-color: var(--qr-white) !important;
    border: none;
    box-shadow: none;
    padding: 1.25rem 0;
    transition: var(--transition-base);
    position: relative;
}

/* Subtle separation with fade effect */
#top-navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, 
        transparent 0%, 
        var(--qr-gray-200) 20%, 
        var(--qr-gray-200) 80%, 
        transparent 100%);
}

/* On scroll, add subtle shadow */
body.scrolled #top-navbar {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

body.scrolled #top-navbar::after {
    opacity: 0;
}

#top-navbar .navbar-brand img {
    transition: var(--transition-base);
}

#top-navbar .navbar-brand:hover img {
    transform: scale(1.05);
}

#top-navbar .nav-link {
    color: var(--qr-gray-700) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: 0.5rem;
    transition: var(--transition-base);
}

#top-navbar .nav-link:hover {
    color: var(--qr-black) !important;
    background-color: var(--qr-gray-100);
}

#top-navbar .nav-link.active {
    background-color: var(--qr-black);
    color: var(--qr-white) !important;
}

#top-navbar .navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

#top-navbar .navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid var(--qr-black);
    outline-offset: 2px;
}

@media (max-width: 767px) {
    #top-navbar .navbar-toggler {
        font-size: 1.5rem;
        padding: 0;
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 0.5rem;
    }
    
    #top-navbar .navbar-toggler-icon {
        width: 1.5rem;
        height: 1.5rem;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}

#top-navbar .dropdown-menu {
    border: 1px solid var(--qr-gray-200);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 0.5rem;
}

#top-navbar .dropdown-item {
    padding: 0.5rem 1rem;
    transition: var(--transition-base);
}

#top-navbar .dropdown-item:hover {
    background-color: var(--qr-gray-100);
}

.mobile-services {
    background-color: var(--qr-gray-50);
    margin: 0;
    padding: 1rem;
}

.mobile-services h6 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--qr-gray-600);
    margin-bottom: 1rem;
}

.mobile-services .nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.mobile-services .nav-link {
    color: var(--qr-gray-700) !important;
    padding: 1rem !important;
    border-radius: 0.5rem;
    background-color: var(--qr-white);
    border: 1px solid var(--qr-gray-200);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.mobile-services .nav-link:hover,
.mobile-services .nav-link:active {
    background-color: var(--qr-black);
    color: var(--qr-white) !important;
    border-color: var(--qr-black);
    transform: scale(0.98);
}

.mobile-services .nav-link i {
    font-size: 1.75rem;
}

/* Professional Badges */
.hero-badge,
.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-color: var(--qr-gray-100);
    border-radius: 2rem;
    margin-bottom: var(--space-lg);
}

.section-badge.text-white {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Enhanced Buttons */
.btn {
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: var(--transition-base);
    border-radius: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn-lg {
    font-size: var(--font-lg);
    padding: 1rem 2rem;
}

.btn-dark {
    background-color: var(--qr-black);
    border-color: var(--qr-black);
    box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.1);
}

.btn-dark:hover {
    background-color: var(--qr-gray-800);
    border-color: var(--qr-gray-800);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.15);
}

.btn-outline-dark {
    border-width: 2px;
}

.btn-outline-dark:hover {
    background-color: var(--qr-black);
    border-color: var(--qr-black);
    transform: translateY(-2px);
}

/* Professional Sidebar */
.services-sidebar {
    background: linear-gradient(180deg, var(--qr-white) 0%, var(--qr-gray-50) 100%);
    backdrop-filter: blur(10px);
}

.services-sidebar.collapsed {
    overflow: hidden;
}

.services-sidebar.collapsed .services-sidebar-content {
    overflow: hidden;
}

.sidebar-toggle {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.services-list a {
    font-weight: 500;
}

.services-sidebar.collapsed .services-list a {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem auto;
}

.services-list a.active {
    background: linear-gradient(135deg, var(--qr-black) 0%, var(--qr-gray-800) 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Hero Section Enhancements */
.qr-hero {
    background: linear-gradient(135deg, var(--qr-white) 0%, var(--qr-gray-50) 100%);
    position: relative;
    overflow: hidden;
}

.qr-hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--qr-gray-100) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, var(--qr-gray-50) 0%, transparent 50%);
    z-index: 0;
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-svg {
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
    max-width: 100%;
    height: auto;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.float-element {
    animation: float-random 8s ease-in-out infinite;
}

.float-element-slow {
    animation: float-random 12s ease-in-out infinite;
}

@keyframes float-random {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(10px, -10px); }
    50% { transform: translate(-10px, 10px); }
    75% { transform: translate(15px, 5px); }
}

/* Feature Cards Professional */
.feature-card {
    background: var(--qr-white);
    border: 1px solid var(--qr-gray-200);
    border-radius: 1rem;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--qr-black) 0%, var(--qr-gray-600) 100%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border-color: var(--qr-gray-300);
}

.feature-icon svg {
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.1);
}

/* Service Sections */
.service-block {
    position: relative;
    overflow: hidden;
}

.service-content h3 {
    position: relative;
    padding-bottom: 1rem;
}

.service-content h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--qr-black);
}

.service-features li {
    position: relative;
    padding-left: 2rem;
}

.service-features i {
    position: absolute;
    left: 0;
    top: 0.25rem;
    color: var(--qr-black);
}

/* Stats Section Professional */
.stats-section {
    background: linear-gradient(135deg, var(--qr-black) 0%, var(--qr-gray-900) 100%);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    transition: var(--transition-base);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.stat-icon svg {
    opacity: 0.8;
}

.stat-number {
    background: linear-gradient(135deg, var(--qr-white) 0%, var(--qr-gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Trust Section */
.trust-section {
    background-color: var(--qr-gray-50);
}

.trust-section svg {
    transition: var(--transition-base);
}

.trust-section svg:hover {
    transform: scale(1.05);
    opacity: 1 !important;
}

/* CTA Section Professional */
.cta-section {
    background: linear-gradient(180deg, var(--qr-gray-50) 0%, var(--qr-white) 100%);
    position: relative;
}

.cta-visual svg {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Footer Clean */
footer {
    background-color: var(--qr-white);
    border-top: 1px solid var(--qr-gray-200);
    padding: var(--space-3xl) 0;
}

.copyright {
    font-size: var(--font-sm);
    color: var(--qr-gray-600);
}

.copyright a {
    color: var(--qr-gray-800);
    text-decoration: none;
    transition: var(--transition-base);
}

.copyright a:hover {
    color: var(--qr-black);
}

/* Scroll to top button */
#top {
    background-color: var(--qr-black);
    color: var(--qr-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: var(--transition-base);
}

#top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive Design System */

/* Tablet Styles (768px - 991px) */
@media (max-width: 991px) {
    /* Reset body padding since sidebar is hidden */
    body {
        padding-left: 0 !important;
        padding-top: 0 !important;
    }
    
    /* Navbar adjustments */
    #top-navbar {
        left: 0 !important;
        padding: 0.5rem 0;
    }
    
    #top-navbar .navbar-brand img {
        max-height: 2.5rem;
    }
    
    /* Typography scaling */
    .display-1 { font-size: clamp(2.5rem, 6vw, 3.5rem); }
    .display-2 { font-size: clamp(2rem, 5vw, 3rem); }
    .display-3 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
    .display-4 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
    .display-5 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
    
    /* Hero section */
    .qr-hero {
        padding: 4rem 0;
        min-height: auto;
    }
    
    .qr-hero .min-vh-100 {
        min-height: auto !important;
    }
    
    .hero-visual {
        margin-top: 3rem;
        text-align: center;
    }
    
    .hero-svg {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        text-align: center;
    }
    
    /* Services sections */
    .service-block:nth-child(even) .row {
        flex-direction: column-reverse;
    }
    
    .service-content {
        text-align: center;
        padding: 1rem;
        margin-bottom: 2rem;
    }
    
    .service-content h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .service-visual {
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .service-visual svg {
        max-width: 350px;
        height: auto;
    }
    
    /* Features section */
    .features-section {
        padding: 4rem 0;
    }
    
    .feature-card {
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .feature-card h4 {
        font-size: 1.5rem;
    }
    
    /* Stats section */
    .stats-section {
        padding: 4rem 0;
    }
    
    .stat-card {
        padding: 2rem;
        text-align: center;
    }
    
    .stat-icon {
        margin-bottom: 1rem;
    }
    
    /* CTA section */
    .cta-section {
        padding: 3rem 0;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* Mobile Styles (< 768px) */
@media (max-width: 767px) {
    /* Global overflow prevention */
    body, html {
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    section {
        overflow-x: hidden;
    }
    
    /* Container adjustments */
    .container-content {
        padding-left: 1rem;
        padding-right: 1rem;
        max-width: 100%;
        overflow-x: hidden;
    }
    
    .container {
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Typography */
    body {
        font-size: 0.9rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .display-1 { font-size: 2rem; }
    .display-2 { font-size: 1.75rem; }
    .display-3 { font-size: 1.5rem; }
    .display-4 { font-size: 1.25rem; }
    .display-5 { font-size: 1.125rem; }
    
    /* Spacing adjustments */
    .py-5 {
        padding-top: 3rem !important;
        padding-bottom: 3rem !important;
    }
    
    .mb-5, .my-5 {
        margin-bottom: 2rem !important;
    }
    
    .mt-5 {
        margin-top: 2rem !important;
    }
    
    /* Navbar */
    #top-navbar {
        padding: 0.75rem 0;
    }
    
    #top-navbar .container {
        padding: 0 1rem;
    }
    
    #top-navbar .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0 !important;
        border-radius: 0;
    }
    
    .navbar-collapse {
        background-color: var(--qr-white);
        margin: 0;
        padding: 0;
        border-top: 1px solid var(--qr-gray-200);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        overflow-x: hidden;
        z-index: 1000;
    }
    
    #top-navbar .navbar-nav {
        padding: 1rem;
    }
    
    /* Hero section */
    .qr-hero {
        padding: 3rem 0;
        min-height: auto;
    }
    
    .qr-hero .min-vh-100 {
        min-height: auto !important;
    }
    
    .hero-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-stats .row {
        justify-content: center;
    }
    
    .hero-stats .stat-item {
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .hero-svg {
        max-width: 280px;
        margin: 0 auto;
        display: block;
    }
    
    /* Service sections */
    .service-block {
        padding: 3rem 0;
    }
    
    .service-block:nth-child(even) .row {
        flex-direction: column-reverse;
    }
    
    .service-content {
        padding: 0;
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .service-features {
        text-align: left;
    }
    
    .service-visual {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .service-visual svg {
        max-width: 250px;
        height: auto;
    }
    
    /* Features */
    .features-section {
        padding: 3rem 0;
    }
    
    .feature-card {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .feature-card h4 {
        font-size: 1.25rem;
    }
    
    .feature-icon svg {
        width: 60px;
        height: 60px;
    }
    
    /* Stats */
    .stats-section {
        padding: 3rem 0;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
        padding: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.875rem;
    }
    
    /* Trust section */
    .trust-section {
        padding: 3rem 0;
    }
    
    .trust-section svg {
        max-width: 80px;
        margin: 0.5rem;
    }
    
    .trust-section .row {
        justify-content: center;
    }
    
    /* Articles */
    .article-block-image {
        height: 200px;
    }
    
    .article-block-content {
        padding: 1.5rem;
    }
    
    .article-title {
        font-size: 1.25rem;
    }
    
    .article-excerpt {
        font-size: 0.9rem;
    }
    
    /* Pagination */
    .pagination {
        --bs-pagination-padding-x: 0.5rem;
        --bs-pagination-padding-y: 0.25rem;
        font-size: 0.875rem;
    }
    
    .pagination-wrapper {
        flex-direction: column;
    }
    
    .pagination-wrapper span {
        margin-top: 1rem;
        margin-left: 0 !important;
    }
    
    /* FAQ */
    .faq-question {
        padding: 1rem;
        flex-wrap: wrap;
    }
    
    .faq-number {
        font-size: 0.75rem;
    }
    
    .faq-text {
        font-size: 0.9rem;
        flex: 1 1 calc(100% - 3rem);
    }
    
    .faq-answer {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    /* Contact form */
    .contact-form-wrapper {
        padding: 1.5rem !important;
        margin: 0;
    }
    
    .contact-form .row {
        margin: 0;
    }
    
    .contact-form .col-md-6 {
        padding: 0;
    }
    
    .contact-form .form-control-lg {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .contact-info .col-md-4 {
        margin-bottom: 2rem;
    }
    
    /* Page headers */
    .page-header h1 {
        font-size: 1.75rem;
    }
    
    /* Buttons */
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    /* Footer */
    footer {
        padding: 2rem 0 !important;
    }
    
    .copyright {
        font-size: 0.8rem;
        text-align: center;
    }
    
    /* Scroll to top button */
    #top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 40px;
        height: 40px;
    }
    
    /* Global SVG overflow fix */
    svg {
        max-width: 100% !important;
        height: auto !important;
    }
    
    /* Fix Bootstrap row/col overflow */
    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    .row > * {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    /* Ensure no horizontal scroll */
    .hero-visual,
    .service-visual,
    .cta-visual {
        max-width: 100%;
        overflow: hidden;
    }
}

/* Extra small devices (< 576px) */
@media (max-width: 575px) {
    /* Fix body padding for fixed navbar */
    body {
        padding-top: 0 !important;
    }
    
    /* Even smaller container padding */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .container-content {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    /* Badge sizing */
    .section-badge {
        font-size: 0.625rem;
        padding: 0.375rem 0.75rem;
    }
    
    /* Service icons in mobile menu */
    .mobile-services {
        margin: 0;
        padding: 0.75rem;
    }
    
    .mobile-services .nav-link {
        font-size: 0.75rem;
        padding: 0.75rem 0.5rem !important;
    }
    
    .mobile-services .nav-link i {
        font-size: 1.5rem;
    }
    
    /* Article share buttons */
    .article-footer > div {
        flex-direction: column;
        gap: 1rem;
    }
    
    .article-footer .share-section {
        margin-bottom: 1rem;
        text-align: center;
    }
    
    .article-footer .btn {
        width: 100%;
    }
}

/* Landscape mobile adjustments */
@media (max-width: 767px) and (orientation: landscape) {
    .qr-hero {
        min-height: auto;
    }
    
    .hero-visual {
        display: none;
    }
    
    .service-visual {
        max-height: 200px;
        overflow: hidden;
    }
}

/* Loading states */
.loading {
    position: relative;
    color: transparent;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.05) 50%, transparent 100%);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Accessibility improvements */
.btn:focus,
.sidebar-toggle:focus {
    outline: 2px solid var(--qr-black);
    outline-offset: 2px;
}

/* Custom Container for Content Pages */
.container-content {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Common Styles */
.page-section {
    min-height: calc(100vh - 200px);
}

.page-header {
    position: relative;
    padding-bottom: 2rem;
}

.header-underline {
    width: 60px;
    height: 4px;
    background-color: var(--qr-black);
    margin: 2rem auto 0;
}

/* Breadcrumb Styling */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: var(--font-sm);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    color: var(--qr-gray-400);
}

.breadcrumb-item a {
    color: var(--qr-gray-600);
    text-decoration: none;
    transition: var(--transition-base);
}

.breadcrumb-item a:hover {
    color: var(--qr-black);
}

.breadcrumb-item.active {
    color: var(--qr-black);
    font-weight: 500;
}

/* Prose Content */
.prose {
    font-size: var(--font-lg);
    line-height: 1.8;
    color: var(--qr-gray-700);
}

.prose h1, .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--qr-black);
}

.prose p {
    margin-bottom: 1.5rem;
}

.prose a {
    color: var(--qr-black);
    text-decoration: underline;
}

.prose a:hover {
    text-decoration: none;
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 2rem 0;
}

.prose blockquote {
    border-left: 4px solid var(--qr-black);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--qr-gray-600);
}

/* Article Styles */
.article-section,
.articles-section {
    background-color: var(--qr-white);
}

.article-meta {
    font-size: var(--font-sm);
}

.article-featured-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: var(--transition-base);
}

.article-footer {
    border-color: var(--qr-gray-200) !important;
}

/* Articles List Styles - Vertical Blocks */
.article-block-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-block {
    background-color: var(--qr-white);
    border: 1px solid var(--qr-gray-200);
    border-radius: 0.5rem;
    overflow: hidden;
    transition: var(--transition-base);
    cursor: pointer;
}

.article-block:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--qr-gray-300);
}

.article-block-image {
    position: relative;
    overflow: hidden;
    height: 300px;
    background-color: var(--qr-gray-100);
}

.article-block-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.article-block:hover .article-block-image img {
    transform: scale(1.05);
}

.article-block-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition-base);
}

.article-block-overlay i {
    color: var(--qr-white);
    font-size: 2rem;
    transform: translateX(-10px);
    transition: var(--transition-base);
}

.article-block:hover .article-block-overlay {
    opacity: 1;
}

.article-block:hover .article-block-overlay i {
    transform: translateX(0);
}

.article-block-content {
    padding: 2rem;
}

.article-read-more {
    color: var(--qr-black);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-base);
}

.article-block:hover .article-read-more {
    transform: translateX(5px);
}

.article-title {
    font-size: var(--font-2xl);
    font-weight: 700;
}

.article-title a:hover {
    color: var(--qr-gray-700) !important;
}

.article-excerpt {
    line-height: 1.6;
}

/* Categories Widget */
.categories-widget {
    background-color: var(--qr-gray-50);
    padding: 2rem;
    border-radius: 0.5rem;
}

.widget-title {
    font-size: var(--font-xl);
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--qr-black);
}

.category-link {
    padding: 0.75rem 1rem;
    background-color: var(--qr-white);
    border-radius: 0.25rem;
    color: var(--qr-gray-700);
    transition: var(--transition-base);
}

.category-link:hover {
    background-color: var(--qr-black);
    color: var(--qr-white) !important;
}

.category-link:hover i {
    transform: translateX(4px);
}

.category-link i {
    transition: var(--transition-base);
}

/* Pagination */
.pagination {
    --bs-pagination-padding-x: 1rem;
    --bs-pagination-padding-y: 0.5rem;
    --bs-pagination-border-color: var(--qr-gray-300);
    --bs-pagination-hover-bg: var(--qr-gray-100);
    --bs-pagination-hover-border-color: var(--qr-gray-400);
}

.page-link {
    color: var(--qr-black);
    border-radius: 0.25rem;
    margin: 0 0.25rem;
}

.page-item.active .page-link {
    background-color: var(--qr-black);
    border-color: var(--qr-black);
}

/* FAQ Styles */
.faq-accordion {
    border: 1px solid var(--qr-gray-200);
    border-radius: 0.5rem;
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid var(--qr-gray-200);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background-color: var(--qr-white);
    border: none;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-base);
}

.faq-question:hover {
    background-color: var(--qr-gray-50);
}

.faq-question[aria-expanded="true"] {
    background-color: var(--qr-gray-100);
}

.faq-number {
    font-size: var(--font-sm);
    font-weight: 700;
    color: var(--qr-gray-500);
}

.faq-text {
    flex: 1;
    font-weight: 600;
    color: var(--qr-black);
}

.faq-toggle {
    font-size: 1.25rem;
    transition: var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-toggle i::before {
    content: "\F120";
}

.faq-answer {
    padding: 1.5rem;
    background-color: var(--qr-gray-50);
    border-top: 1px solid var(--qr-gray-200);
    color: var(--qr-gray-700);
}

/* Contact Styles */
.contact-form-wrapper {
    background-color: var(--qr-gray-50) !important;
    border: 1px solid var(--qr-gray-200);
}

.contact-form .form-control {
    border: 1px solid var(--qr-gray-300);
    background-color: var(--qr-white);
    transition: var(--transition-base);
}

.contact-form .form-control:focus {
    border-color: var(--qr-black);
    box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.1);
}

.contact-form .form-label {
    color: var(--qr-gray-700);
    margin-bottom: 0.5rem;
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info-item {
    padding: 2rem;
}

.contact-icon {
    color: var(--qr-black);
}

.contact-cta {
    background-color: var(--qr-gray-100) !important;
    border: 1px solid var(--qr-gray-200);
}

/* Empty States */
.empty-state {
    padding: 4rem 2rem;
}

/* Print styles */
@media print {
    .services-sidebar,
    #top-navbar,
    #top,
    .sidebar-toggle {
        display: none !important;
    }
    
    body {
        padding-left: 0 !important;
    }
}