/* ============================================
   AI Company Theme - Light/Bright Design
   ============================================ */

/* CSS Variables */
:root {
    --ai-primary: #4f46e5;
    --ai-primary-light: #6366f1;
    --ai-primary-dark: #4338ca;
    --ai-secondary: #0891b2;
    --ai-accent: #7c3aed;
    --ai-gradient: linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
    --ai-gradient-alt: linear-gradient(135deg, #7c3aed 0%, #0891b2 100%);
    --ai-bg: #ffffff;
    --ai-bg-light: #f8fafc;
    --ai-bg-section: #f1f5f9;
    --ai-text: #1e293b;
    --ai-text-secondary: #475569;
    --ai-text-muted: #64748b;
    --ai-border: #e2e8f0;
    --ai-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --ai-shadow-lg:
        0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --ai-card-bg: #ffffff;
    --ai-card-border: #e2e8f0;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif;
    background-color: var(--ai-bg);
    color: var(--ai-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--ai-text);
}

h1 {
    font-size: 3.5rem;
}
h2 {
    font-size: 2.5rem;
}
h3 {
    font-size: 1.75rem;
}

p {
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

a {
    color: var(--ai-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--ai-primary-dark);
}

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

/* ============================================
   Header / Navigation
   ============================================ */
.ai-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--ai-border);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.ai-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--ai-shadow);
}

.ai-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.ai-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ai-text);
    text-decoration: none;
}

.ai-logo img {
    height: 40px;
    width: auto;
}

.ai-logo span {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation Menu */
.ai-nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.ai-nav-menu > li {
    position: relative;
}

.ai-nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--ai-text-secondary);
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.ai-nav-menu > li > a:hover {
    color: var(--ai-primary);
    background: rgba(79, 70, 229, 0.05);
}

/* Dropdown Menu */
.ai-nav-menu .menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    box-shadow: var(--ai-shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.ai-nav-menu > li:hover > .menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.ai-nav-menu .menu-group-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ai-nav-menu .menu-group-list li {
    margin: 0;
}

.ai-nav-menu .menu-group-list li a {
    display: block;
    padding: 10px 16px;
    color: var(--ai-text-secondary);
    font-size: 0.95rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.ai-nav-menu .menu-group-list li a:hover {
    background: rgba(79, 70, 229, 0.05);
    color: var(--ai-primary);
}

/* Navigation CTA */
.ai-nav-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.ai-btn-primary {
    background: var(--ai-gradient);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.4);
}

.ai-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.5);
    color: white;
}

.ai-btn-secondary {
    background: transparent;
    color: var(--ai-text);
    border: 1px solid var(--ai-border);
}

.ai-btn-secondary:hover {
    border-color: var(--ai-primary);
    background: rgba(79, 70, 229, 0.05);
    color: var(--ai-primary);
}

/* Mobile Menu */
.ai-mobile-menu {
    display: none;
}

.ai-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
}

.ai-burger span {
    width: 25px;
    height: 2px;
    background: var(--ai-text);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ============================================
   Hero Section
   ============================================ */
.ai-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f0fdf4 100%);
}

.ai-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(
            ellipse at 20% 50%,
            rgba(79, 70, 229, 0.08) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse at 80% 20%,
            rgba(8, 145, 178, 0.06) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse at 40% 80%,
            rgba(124, 58, 237, 0.05) 0%,
            transparent 50%
        );
    pointer-events: none;
}

.ai-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.ai-hero-text {
    max-width: 600px;
}

.ai-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--ai-primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.ai-hero-badge::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--ai-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.ai-hero h1 {
    font-size: 3.75rem;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--ai-text);
}

.ai-hero h1 span {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-hero p {
    font-size: 1.2rem;
    color: var(--ai-text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}

.ai-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.ai-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-hero-image {
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    box-shadow: var(--ai-shadow-lg);
}

.ai-hero-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--ai-gradient);
    filter: blur(100px);
    opacity: 0.15;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

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

/* ============================================
   Section Styles
   ============================================ */
.ai-section {
    padding: 50px 0;
    position: relative;
    background: var(--ai-bg);
}

.ai-section:nth-child(even) {
    background: var(--ai-bg-light);
}

.ai-section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.ai-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--ai-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    font-weight: 600;
}

.ai-section-header h2 {
    font-size: 2.75rem;
    margin-bottom: 16px;
    color: var(--ai-text);
}

.ai-section-header p {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
}

/* ============================================
   Cards
   ============================================ */
.ai-card {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--ai-shadow);
}

.ai-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--ai-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ai-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-card:hover::before {
    opacity: 1;
}

.ai-card-icon {
    width: 60px;
    height: 60px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.ai-card-icon img {
    width: 32px;
    height: 32px;
}

.ai-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--ai-text);
}

.ai-card p {
    font-size: 0.95rem;
    color: var(--ai-text-muted);
    line-height: 1.7;
}

/* Product Cards */
.ai-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.ai-product-card {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
    text-decoration: none;
    display: block;
}

.ai-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--ai-card-border);
}

.ai-product-content {
    padding: 24px;
}

.ai-product-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--ai-text);
}

.ai-product-content p {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    margin-bottom: 16px;
}

.ai-product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ai-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.ai-product-link:hover {
    gap: 12px;
}

/* Service Cards */
.ai-service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.ai-service-card {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
    text-decoration: none;
    display: block;
}

.ai-service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-service-icon img {
    width: 40px;
    height: 40px;
}

.ai-service-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--ai-text);
}

.ai-service-card p {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
}

/* ============================================
   Why Choose Us
   ============================================ */
.ai-why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.ai-why-item {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
}

.ai-why-item:hover {
    box-shadow: var(--ai-shadow-lg);
}

.ai-why-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-why-icon img {
    width: 32px;
    height: 32px;
}

.ai-why-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--ai-text);
}

.ai-why-content p {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    line-height: 1.7;
}

/* ============================================
   Customer Testimonials
   ============================================ */
.ai-testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.ai-testimonial-card {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    box-shadow: var(--ai-shadow);
}

.ai-testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 5rem;
    color: rgba(79, 70, 229, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.ai-testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.ai-testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--ai-border);
}

.ai-testimonial-info h4 {
    font-size: 1rem;
    color: var(--ai-text);
    margin-bottom: 4px;
}

.ai-testimonial-info p {
    font-size: 0.85rem;
    color: var(--ai-text-muted);
}

.ai-testimonial-content p {
    font-size: 1rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
    font-style: italic;
}

/* ============================================
   News / Blog Section
   ============================================ */
.ai-news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.ai-news-card {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
    text-decoration: none;
    display: block;
}

.ai-news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.ai-news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.ai-news-content {
    padding: 24px;
}

.ai-news-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--ai-text-muted);
}

.ai-news-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--ai-text);
}

.ai-news-content p {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    margin-bottom: 16px;
}

/* ============================================
   Footer
   ============================================ */
.ai-footer {
    background: var(--ai-text);
    padding: 80px 0 30px;
}

.ai-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.ai-footer-brand .ai-logo span {
    background: linear-gradient(135deg, #818cf8 0%, #22d3ee 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-footer-brand p {
    color: #94a3b8;
    margin: 20px 0;
    max-width: 300px;
}

.ai-footer-social {
    display: flex;
    gap: 12px;
}

.ai-footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: all 0.3s ease;
}

.ai-footer-social a:hover {
    background: var(--ai-primary-light);
    color: white;
}

.ai-footer-col h4 {
    font-size: 1rem;
    color: #f8fafc;
    margin-bottom: 20px;
}

.ai-footer-col ul {
    list-style: none;
}

.ai-footer-col ul li {
    margin-bottom: 12px;
}

.ai-footer-col ul a {
    color: #94a3b8;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.ai-footer-col ul a:hover {
    color: #f8fafc;
}

.ai-footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-footer-bottom p {
    font-size: 0.85rem;
    color: #94a3b8;
}

.ai-footer-bottom a {
    color: #94a3b8;
}

.ai-footer-bottom a:hover {
    color: #f8fafc;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 992px) {
    .ai-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ai-hero-text {
        max-width: 100%;
    }

    .ai-hero h1 {
        font-size: 3rem;
    }

    .ai-hero-buttons {
        justify-content: center;
    }

    .ai-hero-visual {
        display: none;
    }

    .ai-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .ai-nav-menu {
        display: none;
    }

    .ai-nav-cta {
        display: none;
    }

    .ai-burger {
        display: flex;
    }

    .ai-mobile-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--ai-bg);
        padding: 20px;
        display: none;
        z-index: 999;
        overflow-y: auto;
    }

    .ai-mobile-menu.active {
        display: block;
    }

    .ai-mobile-menu a {
        display: block;
        padding: 15px 0;
        color: var(--ai-text);
        font-size: 1.1rem;
        border-bottom: 1px solid var(--ai-border);
        text-decoration: none;
    }

    .ai-mobile-menu a:hover {
        color: var(--ai-primary);
    }

    .ai-hero h1 {
        font-size: 2.5rem;
    }

    .ai-section-header h2 {
        font-size: 2rem;
    }

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

    .ai-footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-gradient {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: var(--ai-gradient);
}

.glow {
    box-shadow: var(--ai-shadow-lg);
}

/* ============================================
   Additional Page Styles
   ============================================ */

/* Product Detail Page */
.product-detail {
    padding-top: 100px;
    background: var(--ai-bg);
}

.product-detail .container {
    max-width: 1200px;
}

.product-detail h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* Category Page */
.category-page {
    padding-top: 100px;
    background: var(--ai-bg);
}

/* Blog/News Page */
.blog-page {
    padding-top: 100px;
    background: var(--ai-bg);
}

/* Contact Page */
.contact-page {
    padding-top: 100px;
    background: var(--ai-bg);
}

/* About Page */
.about-page {
    padding-top: 100px;
    background: var(--ai-bg);
}

/* Generic Content Page */
.content-page {
    padding-top: 100px;
    background: var(--ai-bg);
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    list-style: none;
    margin: 0;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumbs a {
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.breadcrumbs a:hover {
    color: var(--ai-primary);
}

.breadcrumbs li:last-child a {
    color: var(--ai-text);
    font-weight: 500;
}

/* Buttons */
.btn-blue {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--ai-gradient);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-blue:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.4);
    color: white;
}

/* Form Styles */
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--ai-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--ai-bg);
    color: var(--ai-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--ai-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Alert Styles */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--ai-border);
    border-radius: 50%;
    border-top-color: var(--ai-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Blog Page Styles
   ============================================ */
#hero-blog {
    padding: 40px 0 60px;
    background: var(--ai-bg-light);
}

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

#hero-blog .blog-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 30px;
}

#hero-blog .content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

#hero-blog .frame-image {
    display: block;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--ai-shadow);
}

#hero-blog .frame-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

#hero-blog .frame-image:hover img {
    transform: scale(1.02);
}

#hero-blog .summary {
    padding: 20px 0;
}

#hero-blog .datetime {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    margin-bottom: 12px;
}

#hero-blog .title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ai-text);
    text-decoration: none;
    display: block;
    margin-bottom: 16px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

#hero-blog .title:hover {
    color: var(--ai-primary);
}

#hero-blog .description {
    font-size: 1rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

/* Explore Category Section */
#explore-category {
    padding: 60px 0;
    background: var(--ai-bg);
}

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

#explore-category .h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 30px;
}

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

#explore-category .item {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
}

#explore-category .item:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

#explore-category .image-wrap {
    display: block;
    height: 200px;
    overflow: hidden;
}

#explore-category .image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

#explore-category .item:hover .image-wrap img {
    transform: scale(1.05);
}

#explore-category .name {
    display: block;
    padding: 16px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

#explore-category .name:hover {
    color: var(--ai-primary);
}

/* News of Blog Section */
#news-of-blog {
    padding: 60px 0;
    background: var(--ai-bg-light);
}

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

#news-of-blog .h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 30px;
}

#news-of-blog .news-cols .row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

#news-of-blog .article-col {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--ai-shadow);
}

#news-of-blog .article-col:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

#news-of-blog .frame {
    position: relative;
    height: 200px;
    overflow: hidden;
}

#news-of-blog .featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

#news-of-blog .article-col:hover .featured-image {
    transform: scale(1.05);
}

#news-of-blog .btn-absolute {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
    background: var(--ai-primary);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

#news-of-blog .btn-absolute:hover {
    background: var(--ai-primary-dark);
}

#news-of-blog .published-at {
    padding: 16px 20px 8px;
    font-size: 0.85rem;
    color: var(--ai-text-muted);
}

#news-of-blog .description {
    display: block;
    padding: 0 20px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
    text-decoration: none;
    line-height: 1.4;
    transition: color 0.3s ease;
}

#news-of-blog .description:hover {
    color: var(--ai-primary);
}

/* Pagination */
.posts-paginate {
    margin-top: 40px;
    text-align: center;
}

.posts-paginate .pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.posts-paginate .pagination li a,
.posts-paginate .pagination li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--ai-border);
    border-radius: 8px;
    color: var(--ai-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.posts-paginate .pagination li a:hover {
    border-color: var(--ai-primary);
    color: var(--ai-primary);
    background: rgba(79, 70, 229, 0.05);
}

.posts-paginate .pagination li.active span {
    background: var(--ai-primary);
    border-color: var(--ai-primary);
    color: white;
}

.posts-paginate .pagination li.disabled span {
    color: var(--ai-text-muted);
    cursor: not-allowed;
}

/* Responsive for Blog Page */
@media (max-width: 992px) {
    #hero-blog .content {
        grid-template-columns: 1fr;
    }

    #explore-category .explore-category-col .row,
    #news-of-blog .news-cols .row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #hero-blog .blog-name {
        font-size: 2rem;
    }

    #hero-blog .title {
        font-size: 1.4rem;
    }

    #explore-category .explore-category-col .row,
    #news-of-blog .news-cols .row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Customer Section (Partial)
   ============================================ */
.section-customer {
    padding: 80px 0;
    background: var(--ai-bg-light);
}

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

.section-customer .customers-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-customer .customers-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
}

.section-customer .span-special {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-customer .customer {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.section-customer .customer:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.section-customer .avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--ai-border);
}

.section-customer .information {
    margin-left: 16px;
}

.section-customer .information .name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
    margin-bottom: 4px;
}

.section-customer .information .role {
    font-size: 0.85rem;
    color: var(--ai-text-muted);
}

.section-customer .description {
    margin-top: 16px;
    font-size: 0.95rem;
    color: var(--ai-text-secondary);
    line-height: 1.7;
    font-style: italic;
}

/* ============================================
   Why Choose Section (Partial)
   ============================================ */
.three-col-step-block {
    padding: 80px 0;
    background: var(--ai-bg);
}

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

.three-col-step-block h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    text-align: center;
    margin-bottom: 16px;
}

.three-col-step-block .description {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

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

.three-col-step-block .feature-image {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.three-col-step-block .feature-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.three-col-step-block .feature-image img {
    width: 80px;
    height: auto;
}

.three-col-step-block .feature-image p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
}

/* ============================================
   How To Get Section (Partial)
   ============================================ */
#how-to-get {
    padding: 80px 0;
    background: var(--ai-bg);
}

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

#how-to-get .how-to-get-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    text-align: center;
    margin-bottom: 8px;
}

#how-to-get .how-to-get-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

#how-to-get .item {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

#how-to-get .item:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

#how-to-get .item .img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.1);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#how-to-get .item .img svg,
#how-to-get .item .img img {
    width: 50px;
    height: 50px;
}

#how-to-get .item .name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 12px;
}

#how-to-get .item .description {
    font-size: 0.95rem;
    color: var(--ai-text-muted);
    line-height: 1.7;
}

/* Responsive for partials */
@media (max-width: 992px) {
    .section-customer .customers-col,
    .three-col-step-block .three-col-features-grid,
    #how-to-get .how-to-get-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-customer .customers-title h2,
    .three-col-step-block h2,
    #how-to-get .how-to-get-title h2 {
        font-size: 2rem;
    }

    .section-customer .customers-col,
    .three-col-step-block .three-col-features-grid,
    #how-to-get .how-to-get-col {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Category & News Detail Pages
   ============================================ */

/* Category Page */
#category-news {
    padding: 100px 0 60px;
    background: var(--ai-bg);
}

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

#category-news .category-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 40px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--ai-border);
}

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

/* News Detail Page */
#news-detail {
    padding: 100px 0 60px;
    background: var(--ai-bg);
}

#news-detail .container {
    margin: 0 auto;
    padding: 0 20px;
}

#news-detail .title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    line-height: 1.3;
    margin-bottom: 20px;
}

#news-detail .Contributed {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    margin-bottom: 24px;
}

#news-detail .Contributed .link {
    color: var(--ai-primary);
    font-weight: 500;
    text-decoration: none;
}

#news-detail .Contributed .link:hover {
    text-decoration: underline;
}

#news-detail .blog-info-item .google-news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(79, 70, 229, 0.1);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ai-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

#news-detail .blog-info-item .google-news-link:hover {
    background: rgba(79, 70, 229, 0.15);
}

/* Article Content */
.article-content {
    font-size: 1.05rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin: 40px 0 20px;
}

.article-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 32px 0 16px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content a {
    color: var(--ai-primary);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--ai-primary-dark);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 24px 0;
}

.article-content ul,
.article-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    border-left: 4px solid var(--ai-primary);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--ai-bg-light);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--ai-text-muted);
}

/* TOC */
.toc {
    background: var(--ai-bg-light);
    border: 1px solid var(--ai-border);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

/* Other News Section */
#other-news {
    padding: 60px 0;
    background: var(--ai-bg-light);
}

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

#other-news .h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 30px;
}

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

#other-news .btn-view-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--ai-gradient);
    color: white;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 40px;
}

#other-news .btn-view-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
    color: white;
}

/* Shared Article Card */
.article-col {
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.article-col:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.article-col .frame {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.article-col .frame a.height-inherit {
    display: block;
    height: 100%;
}

.article-col .featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article-col:hover .featured-image {
    transform: scale(1.05);
}

.article-col .btn-absolute {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: 6px;
    background: var(--ai-primary);
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.article-col .btn-absolute:hover {
    background: var(--ai-primary-dark);
}

.article-col .published-at {
    display: block;
    padding: 16px 20px 8px;
    font-size: 0.85rem;
    color: var(--ai-text-muted);
}

.article-col .description {
    display: block;
    padding: 0 20px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
    text-decoration: none;
    transition: color 0.3s ease;
    line-height: 1.4;
}

.article-col .description:hover {
    color: var(--ai-primary);
}

/* Responsive */
@media (max-width: 992px) {
    #category-news .category-news .row,
    #other-news .row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #category-news .category-title,
    #news-detail .title {
        font-size: 1.75rem;
    }

    #category-news .category-news .row,
    #other-news .row {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Featured Products Block (Partial)
   ============================================ */
.block-group {
    padding: 80px 0;
    background: var(--ai-bg);
}

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

.block-group h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--ai-text);
    text-transform: none;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.3;
}

.block-group h2 span {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.three-col-step-cards-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    overflow: hidden;
    padding: 24px;
    text-align: center;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.three-col-step-cards-col:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
    border-color: var(--ai-primary-light);
}

.three-col-step-card {
    width: 100%;
}

.card-img {
    width: 100%;
    height: 180px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--ai-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.three-col-step-cards-col:hover .card-img img {
    transform: scale(1.05);
}

.three-col-step-cards-col .name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 0;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.three-col-step-cards-col:hover .name {
    color: var(--ai-primary);
}

@media (max-width: 992px) {
    .three-col-step-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .block-group h2 {
        font-size: 1.75rem;
    }

    .three-col-step-cards {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Page Show (Generic Content Page)
   ============================================ */
.content-news {
    padding-top: 120px;
    padding-bottom: 60px;
    margin: 0 auto;
}

.content-news > div {
    margin-bottom: 32px;
}

.content-news > div h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    line-height: 1.3;
}

.content-news .block-group {
    padding: 0;
    background: transparent;
}

.content-news .block-group .page-content {
    font-size: 1.05rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

/* Page Content Rich Text */
.page-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin: 40px 0 20px;
}

.page-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ai-border);
}

.page-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 28px 0 12px;
}

.page-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 24px 0 10px;
}

.page-content p {
    margin-bottom: 18px;
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

.page-content a {
    color: var(--ai-primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.page-content a:hover {
    color: var(--ai-primary-dark);
}

.page-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 24px 0;
    box-shadow: var(--ai-shadow);
}

.page-content ul,
.page-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.page-content li {
    margin-bottom: 8px;
    color: var(--ai-text-secondary);
    line-height: 1.7;
}

.page-content blockquote {
    border-left: 4px solid var(--ai-primary);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--ai-bg-light);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--ai-text-muted);
}

.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.95rem;
}

.page-content table th,
.page-content table td {
    padding: 12px 16px;
    border: 1px solid var(--ai-border);
    text-align: left;
}

.page-content table th {
    background: var(--ai-bg-light);
    font-weight: 600;
    color: var(--ai-text);
}

.page-content table td {
    color: var(--ai-text-secondary);
}

.page-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: 12px;
    overflow-x: auto;
    font-family: "Fira Code", monospace;
    font-size: 0.9rem;
    margin: 24px 0;
    line-height: 1.6;
}

.page-content code {
    background: var(--ai-bg-light);
    color: var(--ai-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
}

.page-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.page-content hr {
    border: none;
    border-top: 1px solid var(--ai-border);
    margin: 32px 0;
}

@media (max-width: 768px) {
    .content-news {
        padding-top: 100px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .content-news > div h1 {
        font-size: 1.75rem;
    }

    .page-content h2 {
        font-size: 1.4rem;
    }
}

/* ============================================
   Author Page
   ============================================ */
.author-page {
    padding-top: 120px;
    padding-bottom: 60px;
    margin: 0 auto;
}

.author-header {
    text-align: center;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--ai-border);
}

.author-header .author-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ai-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.author-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 8px;
}

.author-header .author-job {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
    margin-bottom: 24px;
}

.author-header .author-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--ai-border);
    box-shadow: var(--ai-shadow);
}

.author-page .block-group {
    padding: 0;
    background: transparent;
}

@media (max-width: 768px) {
    .author-page {
        padding-top: 100px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .author-header h1 {
        font-size: 1.75rem;
    }
}

/* ============================================
   Case Studies - Magazine Style
   ============================================ */

/* Listing Page */
.cs-listing {
    padding: 100px 0 60px;
    background: var(--ai-bg);
}

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

.cs-listing-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.cs-listing-header h1 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 16px;
}

.cs-listing-header p {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
}

/* Magazine Grid */
.cs-magazine-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 30px;
}

.cs-card-featured {
    grid-column: 1;
    grid-row: 1 / 3;
}

/* Cards */
.cs-card {
    display: flex;
    flex-direction: column;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 20px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--ai-shadow);
    transition: box-shadow 0.3s ease;
}

.cs-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.cs-card-featured {
    position: relative;
}

.cs-card-image {
    overflow: hidden;
    position: relative;
}

.cs-card-featured .cs-card-image {
    height: 100%;
    min-height: 400px;
}

.cs-card:not(.cs-card-featured) .cs-card-image {
    height: 200px;
}

.cs-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cs-card:hover .cs-card-image img {
    transform: scale(1.05);
}

.cs-card-body {
    padding: 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cs-card-featured .cs-card-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.6) 60%,
        transparent 100%
    );
    padding: 40px 32px 32px;
}

.cs-card-featured .cs-card-body h2 {
    color: #ffffff;
    font-size: 1.75rem;
}

.cs-card-featured .cs-card-body .cs-card-customer {
    color: #94a3b8;
}

.cs-card-featured .cs-card-body .cs-card-excerpt {
    color: #cbd5e1;
}

.cs-card-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(79, 70, 229, 0.9);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    width: fit-content;
}

.cs-card-body h2,
.cs-card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 8px;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.cs-card:hover .cs-card-body h2,
.cs-card:hover .cs-card-body h3 {
    color: var(--ai-primary);
}

.cs-card-customer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--ai-text-muted);
    margin-bottom: 12px;
}

.cs-card-customer i {
    color: var(--ai-primary);
    font-size: 0.8rem;
}

.cs-card-excerpt {
    font-size: 0.95rem;
    color: var(--ai-text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.cs-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ai-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap 0.3s ease;
}

.cs-card:hover .cs-card-link {
    gap: 12px;
}

/* Empty State */
.cs-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--ai-text-muted);
}

.cs-empty i {
    font-size: 48px;
    color: var(--ai-border);
    margin-bottom: 16px;
}

/* Detail Page */
.cs-detail {
    padding: 100px 0 60px;
    background: var(--ai-bg);
}

.cs-detail .container {
    margin: 0 auto;
    padding: 0 20px;
}

.cs-detail .breadcrumbs {
    margin-bottom: 24px;
}

.cs-detail .breadcrumbs a {
    color: var(--ai-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.cs-detail .breadcrumbs a:hover {
    color: var(--ai-primary);
}

.cs-detail .breadcrumbs span {
    color: var(--ai-text);
    font-size: 0.9rem;
    font-weight: 500;
}

.cs-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ai-text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    margin-bottom: 24px;
    transition: color 0.3s ease;
}

.cs-back-link:hover {
    color: var(--ai-primary);
}

.cs-detail-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--ai-text);
    line-height: 1.3;
    margin-bottom: 16px;
}

.cs-detail-meta {
    display: flex;
    gap: 24px;
    font-size: 0.9rem;
    color: var(--ai-text-muted);
}

.cs-detail-meta i {
    color: var(--ai-primary);
    margin-right: 6px;
}

.cs-detail-hero {
    margin: 40px 0;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--ai-shadow-lg);
}

.cs-detail-hero img {
    width: 100%;
    height: auto;
    display: block;
    max-width: 600px;
}

.cs-detail-content {
    font-size: 1.05rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
    margin: 40px 0;
}

.cs-detail-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin: 36px 0 16px;
}

.cs-detail-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 28px 0 12px;
}

.cs-detail-content p {
    margin-bottom: 18px;
}

.cs-detail-content ul,
.cs-detail-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.cs-detail-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.cs-detail-content strong {
    color: var(--ai-text);
    font-weight: 600;
}

.cs-detail-secondary {
    margin-top: 40px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--ai-shadow);
}

.cs-detail-secondary img {
    width: 100%;
    height: auto;
    display: block;
}

/* Homepage Case Studies Grid */
.cs-home-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.cs-home-card {
    display: flex;
    flex-direction: column;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.cs-home-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
}

.cs-home-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cs-home-card:hover .cs-home-image {
    transform: scale(1.05);
}

.cs-home-body {
    padding: 24px;
    flex: 1;
}

.cs-home-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.cs-home-card:hover .cs-home-body h3 {
    color: var(--ai-primary);
}

.cs-home-customer {
    font-size: 0.85rem;
    color: var(--ai-text-muted);
    margin-bottom: 8px;
}

.cs-home-customer i {
    color: var(--ai-primary);
    margin-right: 4px;
}

.cs-home-cta {
    text-align: center;
    margin-top: 48px;
}

/* Responsive */
@media (max-width: 992px) {
    .cs-magazine-grid {
        grid-template-columns: 1fr;
    }
    .cs-card-featured {
        grid-column: 1;
        grid-row: auto;
    }
    .cs-card-featured .cs-card-image {
        min-height: 300px;
    }
    .cs-home-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cs-listing-header h1,
    .cs-detail-header h1 {
        font-size: 2rem;
    }
    .cs-card-featured .cs-card-image {
        min-height: 250px;
    }
    .cs-home-grid {
        grid-template-columns: 1fr;
    }
    .cs-detail-meta {
        flex-direction: column;
        gap: 8px;
    }
}

/* ============================================
   Certificates - Auto-scroll Marquee
   ============================================ */
.cert-section {
    padding: 30px 0;
    background: var(--ai-bg);
    overflow: hidden;
}

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

.cert-track {
    overflow: hidden;
    mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent 0%,
        black 10%,
        black 90%,
        transparent 100%
    );
    margin-top: 20px;
}

.cert-track-inner {
    display: flex;
    gap: 32px;
    animation: certScroll 30s linear infinite;
    width: max-content;
}

.cert-track:hover .cert-track-inner {
    animation-play-state: paused;
}

@keyframes certScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.cert-item {
    flex-shrink: 0;
    width: 180px;
    text-align: center;
    padding: 20px 16px;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--ai-shadow-lg);
    border-color: var(--ai-primary-light);
}

.cert-item img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 12px;
}

.cert-item p {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ai-text-secondary);
    line-height: 1.4;
    margin: 0;
}

@media (max-width: 768px) {
    .cert-item {
        width: 150px;
    }
    .cert-item img {
        width: 64px;
        height: 64px;
    }
}

/* ============================================
   Services Listing Page
   ============================================ */
.svc-listing {
    padding: 100px 0 60px;
    background: var(--ai-bg);
}

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

.svc-listing-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.svc-listing-header h1 {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 16px;
}

.svc-listing-header p {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
}

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

.svc-card {
    display: flex;
    flex-direction: column;
    background: var(--ai-card-bg);
    border: 1px solid var(--ai-card-border);
    border-radius: 16px;
    padding: 32px;
    text-decoration: none;
    box-shadow: var(--ai-shadow);
    transition: all 0.3s ease;
}

.svc-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--ai-shadow-lg);
    border-color: var(--ai-primary-light);
}

.svc-card-icon {
    width: 64px;
    height: 64px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--ai-primary);
}

.svc-card-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.svc-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.svc-card:hover h3 {
    color: var(--ai-primary);
}

.svc-card-desc {
    font-size: 0.95rem;
    color: var(--ai-text-muted);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 16px;
}

.svc-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ai-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap 0.3s ease;
}

.svc-card:hover .svc-card-link {
    gap: 12px;
}

@media (max-width: 992px) {
    .svc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .svc-listing-header h1 {
        font-size: 2rem;
    }
    .svc-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Service Show Page
   ============================================ */
.svc-hero {
    position: relative;
    padding: 120px 0 60px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 40%, #f0fdf4 100%);
}

.svc-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(
            ellipse at 30% 50%,
            rgba(79, 70, 229, 0.06) 0%,
            transparent 50%
        ),
        radial-gradient(
            ellipse at 70% 30%,
            rgba(8, 145, 178, 0.05) 0%,
            transparent 50%
        );
    pointer-events: none;
}

.svc-hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.svc-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.svc-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(8, 145, 178, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--ai-secondary);
    margin-bottom: 20px;
}

.svc-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--ai-text);
    line-height: 1.15;
    margin-bottom: 20px;
}

.svc-hero-desc {
    font-size: 1.2rem;
    color: var(--ai-text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.svc-hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.svc-hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.svc-hero-image {
    max-width: 100%;
    max-height: 380px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.svc-hero-placeholder {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, #0891b2, #4f46e5);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(8, 145, 178, 0.3);
}

.svc-hero-placeholder i {
    font-size: 72px;
    color: white;
}

.svc-breadcrumbs {
    padding: 20px 0;
}

/* Service Content */
.svc-content {
    padding: 20px 0;
    background: var(--ai-bg);
}

.svc-content .container {
    margin: 0 auto;
    padding: 0 20px;
}

.svc-content .page-content {
    font-size: 1.05rem;
    color: var(--ai-text-secondary);
    line-height: 1.8;
}

.svc-content .page-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ai-text);
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--ai-border);
}

.svc-content .page-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--ai-text);
    margin: 28px 0 12px;
}

.svc-content .page-content ul,
.svc-content .page-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.svc-content .page-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

/* Service CTA */
.svc-cta {
    padding: 80px 0;
    text-align: center;
    background: var(--ai-bg-light);
}

.svc-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ai-text);
    margin-bottom: 12px;
}

.svc-cta p {
    font-size: 1.1rem;
    color: var(--ai-text-muted);
    margin-bottom: 32px;
}

.svc-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .svc-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .svc-hero h1 {
        font-size: 2.5rem;
    }
    .svc-hero-buttons {
        justify-content: center;
    }
    .svc-hero-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    .svc-hero {
        padding: 100px 0 40px;
    }
    .svc-hero h1 {
        font-size: 2rem;
    }
    .svc-hero-desc {
        font-size: 1rem;
    }
    .svc-hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   Service Contact Form
   ============================================ */
.svc-contact {
    padding: 80px 0;
    background: var(--ai-bg);
}

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

.svc-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Info side */
.svc-contact-info h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--ai-text);
    line-height: 1.25;
    margin-bottom: 16px;
}

.svc-contact-info > p {
    font-size: 1.05rem;
    color: var(--ai-text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
}

.svc-contact-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.svc-contact-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.svc-contact-feature i {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ai-primary);
    font-size: 1rem;
}

.svc-contact-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ai-text);
    margin-bottom: 2px;
}

.svc-contact-feature p {
    font-size: 0.9rem;
    color: var(--ai-text-muted);
    margin: 0;
}

/* Form side */
.svc-contact-form-wrap {
    background: var(--ai-card-bg, #ffffff);
    border: 1px solid var(--ai-card-border, #e2e8f0);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--ai-shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.1));
}

.svc-contact-success {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #dcfce7;
    border: 1px solid #bbf7d0;
    border-radius: 12px;
    margin-bottom: 24px;
    color: #166534;
}

.svc-contact-success i {
    font-size: 1.25rem;
    color: #16a34a;
}

.svc-contact-success p {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
}

.svc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.svc-form-group {
    margin-bottom: 20px;
}

.svc-form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ai-text);
    margin-bottom: 8px;
}

.svc-form-group label i {
    color: var(--ai-primary);
    font-size: 0.85rem;
}

.svc-form-group input,
.svc-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--ai-border, #e2e8f0);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: Inter, sans-serif;
    color: var(--ai-text, #1e293b);
    background: var(--ai-bg, #ffffff);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.svc-form-group input:focus,
.svc-form-group textarea:focus {
    outline: none;
    border-color: var(--ai-primary, #4f46e5);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.svc-form-group input::placeholder,
.svc-form-group textarea::placeholder {
    color: var(--ai-text-muted, #94a3b8);
}

.svc-input-readonly {
    background: var(--ai-bg-light, #f8fafc) !important;
    cursor: not-allowed;
}

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

.svc-captcha-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.svc-captcha-img {
    display: flex;
    align-items: center;
    border: 1px solid var(--ai-border, #e2e8f0);
    border-radius: 10px;
    overflow: hidden;
    background: var(--ai-bg-light, #f8fafc);
    min-height: 48px;
}

.svc-captcha-img img {
    display: block;
    height: 48px;
}

.svc-captcha-wrap input {
    flex: 1;
}

.svc-captcha-reload {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border: 1px solid var(--ai-border, #e2e8f0);
    border-radius: 10px;
    background: var(--ai-bg, #ffffff);
    color: var(--ai-text-secondary, #475569);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.svc-captcha-reload:hover {
    border-color: var(--ai-primary, #4f46e5);
    color: var(--ai-primary, #4f46e5);
    background: rgba(79, 70, 229, 0.05);
}

.svc-form-error {
    display: block;
    font-size: 0.8rem;
    color: #dc2626;
    margin-top: 6px;
}

.svc-submit-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    margin-top: 8px;
}

@media (max-width: 992px) {
    .svc-contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .svc-contact {
        padding: 50px 0;
    }
    .svc-contact-info h2 {
        font-size: 1.75rem;
    }
    .svc-contact-form-wrap {
        padding: 24px;
    }
    .svc-form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}