:root {
            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --secondary-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
            --text-dark: #2d3748;
            --text-light: #718096;
        }


        /* --- NAVBAR (GLASSMORPHISM) --- */
        .navbar {
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            padding-top: 10px !important;
            padding-bottom: 10px !important;
        }

        .navbar-brand {
            font-weight: 700;
            color: #fff !important;
        }

        .navbar.scrolled .navbar-brand {
            color: #764ba2 !important;
        }

        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 600;
            margin-left: 15px;
            position: relative;
        }

        .navbar.scrolled .nav-link {
            color: var(--text-dark) !important;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #ff9a9e;
            transition: width 0.3s;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        /* Navigation Dropdown Menu */
        .nav-item.dropdown .dropdown-menu {
            border: none;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            padding: 15px 0;
            margin-top: 10px;
        }

        .nav-item.dropdown .dropdown-item {
            padding: 10px 25px;
            color: var(--text-dark);
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .nav-item.dropdown .dropdown-item:hover {
            background: var(--primary-gradient);
            color: white;
            padding-left: 30px;
        }

        .nav-item.dropdown .dropdown-item i {
            margin-right: 10px;
            width: 20px;
        }

        /* --- HERO SECTION --- */
        .hero-section {
            background: var(--primary-gradient);
            min-height: 100vh;
            display: flex;
            align-items: center;
            color: white;
            padding-top: 80px;
            position: relative;
            overflow: hidden;
        }

        /* Decorative Circle */
        .hero-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            top: -100px;
            right: -100px;
            z-index: 0;
        }

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

        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            font-weight: 300;
            opacity: 0.9;
            margin-bottom: 30px;
        }

        /* Gradient Buttons */
        .btn-custom {
            background: white;
            color: #764ba2;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 50px;
            border: none;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .btn-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            color: #764ba2;
        }

        /* --- SECTION TITLES --- */
        .section-padding {
            padding: 100px 0;
        }

        .section-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .section-subtitle {
            text-align: center;
            color: #764ba2;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 50px;
            display: block;
        }

        /* --- CARDS (Services & Portfolio) --- */
        .modern-card {
            border: none;
            border-radius: 15px;
            background: white;
            padding: 30px;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }

        .modern-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .service-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            background: var(--secondary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* --- PORTFOLIO --- */
        .portfolio-card {
            border-radius: 15px;
            overflow: hidden;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .portfolio-card:hover {
            transform: translateY(-5px);
        }

        .portfolio-img-wrapper {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .portfolio-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .portfolio-card:hover img {
            transform: scale(1.1);
        }

        /* --- CONTACT --- */
        .contact-section {
            background-color: #f8f9fa;
        }

        .form-control {
            border-radius: 10px;
            padding: 12px;
            border: 1px solid #e2e8f0;
            background-color: #fff;
        }

        .form-control:focus {
            box-shadow: none;
            border-color: #764ba2;
        }

        /* --- FOOTER --- */
        footer {
            background: #2d3748;
            color: white;
            padding: 40px 0;
            text-align: center;
        }

        .social-links a {
            color: white;
            font-size: 1.5rem;
            margin: 0 10px;
            transition: color 0.3s;
        }

        .social-links a:hover {
            color: #ff9a9e;
        }

        /* Mobile Adjustments */
        @media (max-width: 768px) {
            .hero-title { font-size: 2.5rem; }
            .hero-section { text-align: center; }
        }
        
        body {
            padding-top: 0px;
        }

.hero-section {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    padding: 100px 0;
}

.section-title {
    font-weight: 700;
    color: #0f172a;
}

.card img {
    height: 220px;
    object-fit: cover;
}

:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --gray: #64748b;
    --bg-light: #f8fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--dark);
    line-height: 1.7;
    background: #fff;
}

.container {
    max-width: 1150px;
    margin: auto;
    padding: 0 20px;
}

/* HERO */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 15px;
}

.hero p {
    max-width: 700px;
    margin: 0 auto 30px;
    color: var(--gray);
}

/* BUTTON */
.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 14px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s;
}

.btn-primary:hover {
    background: #1e40af;
}

/* SECTIONS */
.section {
    padding: 70px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
}

.light {
    background: var(--bg-light);
}

/* FEATURES */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.feature {
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    font-weight: 500;
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.06);
}

.card h3 {
    margin-bottom: 10px;
}

/* TECH STACK */
.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.tech-grid span {
    background: #fff;
    padding: 10px 18px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

/* CTA */
.cta {
    background: var(--dark);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.cta p {
    margin: 15px 0 30px;
    color: #cbd5f5;
}

.center-text {
    text-align: center;
    max-width: 750px;
    margin: auto;
}

/* MOBILE */
@media (max-width: 600px) {
    .hero {
        padding: 60px 0;
    }
}


/* Animated Background */
        .bg-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            background: linear-gradient(180deg, #ffffff 0%, #f0f4f8 50%, #ffffff 100%);
        }

        .bg-gradient::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
            top: -250px;
            right: -250px;
            animation: float 25s infinite;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            33% { transform: translate(120px, -120px) rotate(120deg); }
            66% { transform: translate(-80px, 80px) rotate(240deg); }
        }

        /* Header */
        .header {
            padding: 20px 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }

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

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Poppins', sans-serif;
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(135deg, #3b82f6, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            color: #4a5568;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .nav-links a:hover {
            color: #3b82f6;
        }

        .btn-contact {
            padding: 10px 24px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-contact:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
        }

        /* Back to Blog */
        .back-link {
            padding: 60px 0 20px;
        }

        .back-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #3b82f6;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
        }

        .back-link a:hover {
            gap: 12px;
        }

        /* Article Header */
        .article-header {
            padding: 40px 0;
            text-align: center;
        }

        .article-category {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .article-header h1 {
            font-family: 'Poppins', sans-serif;
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: #1a202c;
            margin-bottom: 20px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-meta {
            display: flex;
            gap: 30px;
            justify-content: center;
            align-items: center;
            color: #718096;
            font-size: 15px;
            margin-bottom: 30px;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .author-info {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: center;
        }

        .author-avatar-large {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            color: white;
        }

        .author-details h4 {
            color: #1a202c;
            font-size: 16px;
            margin-bottom: 2px;
        }

        .author-details p {
            color: #718096;
            font-size: 14px;
        }

        /* Featured Image */
        .featured-image-container {
            max-width: 1000px;
            margin: 0 auto 60px;
        }

        .featured-image {
            width: 100%;
            height: auto;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 120px;
            color: rgba(255, 255, 255, 0.3);
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
            position: relative;
            overflow: hidden;
        }

        .featured-image::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.2), transparent);
            animation: pulse 3s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.5); opacity: 0.8; }
        }

        /* Article Content */
        .article-content {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px 80px;
        }

        .article-body {
            background: white;
            padding: 60px;
            border-radius: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }

        .article-body h2 {
            font-family: 'Poppins', sans-serif;
            font-size: 32px;
            font-weight: 700;
            color: #1a202c;
            margin: 40px 0 20px;
            line-height: 1.3;
        }

        .article-body h2:first-child {
            margin-top: 0;
        }

        .article-body h3 {
            font-family: 'Poppins', sans-serif;
            font-size: 24px;
            font-weight: 600;
            color: #2d3748;
            margin: 30px 0 15px;
        }

        .article-body p {
            font-size: 18px;
            line-height: 1.8;
            color: #4a5568;
            margin-bottom: 24px;
        }

        .article-body ul, .article-body ol {
            margin: 20px 0 24px 30px;
            color: #4a5568;
        }

        .article-body li {
            font-size: 18px;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .article-body strong {
            color: #1a202c;
            font-weight: 600;
        }

        .article-body blockquote {
            border-left: 4px solid #3b82f6;
            background: rgba(59, 130, 246, 0.05);
            padding: 20px 30px;
            margin: 30px 0;
            border-radius: 8px;
            font-style: italic;
            color: #2d3748;
        }

        .article-body code {
            background: #f1f5f9;
            padding: 3px 8px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            color: #e91e63;
            font-size: 16px;
        }

        .article-body pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 24px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 24px 0;
        }

        .article-body pre code {
            background: transparent;
            color: #e2e8f0;
            padding: 0;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
            border: 2px solid rgba(59, 130, 246, 0.3);
            border-radius: 16px;
            padding: 30px;
            margin: 30px 0;
        }

        .highlight-box h4 {
            color: #1a202c;
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .highlight-box p {
            margin-bottom: 0;
        }

        /* Tags */
        .article-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 40px;
            padding-top: 40px;
            border-top: 1px solid #e2e8f0;
        }

        .tag {
            padding: 8px 16px;
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid rgba(59, 130, 246, 0.2);
            border-radius: 20px;
            color: #3b82f6;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s;
        }

        .tag:hover {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* Share Section */
        .share-section {
            margin-top: 60px;
            padding: 40px;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
            border-radius: 16px;
            text-align: center;
        }

        .share-section h3 {
            font-size: 24px;
            color: #1a202c;
            margin-bottom: 20px;
        }

        .share-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .share-btn {
            padding: 12px 24px;
            border-radius: 10px;
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }

        .share-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .share-btn.twitter { background: #1DA1F2; }
        .share-btn.facebook { background: #4267B2; }
        .share-btn.linkedin { background: #0077B5; }
        .share-btn.copy { background: #6b7280; }

        /* Related Articles */
        .related-articles {
            max-width: 1200px;
            margin: 80px auto;
            padding: 0 20px;
        }

        .related-articles h3 {
            font-family: 'Poppins', sans-serif;
            font-size: 32px;
            font-weight: 700;
            color: #1a202c;
            margin-bottom: 40px;
            text-align: center;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .related-card {
            background: white;
            border: 2px solid #e2e8f0;
            border-radius: 20px;
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .related-card:hover {
            transform: translateY(-5px);
            border-color: #3b82f6;
            box-shadow: 0 15px 35px rgba(59, 130, 246, 0.15);
        }

        .related-card-image {
            height: 180px;
            background: linear-gradient(135deg, #fa709a, #fee140);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 50px;
            color: rgba(255, 255, 255, 0.4);
        }

        .related-card:nth-child(2) .related-card-image {
            background: linear-gradient(135deg, #30cfd0, #330867);
        }

        .related-card:nth-child(3) .related-card-image {
            background: linear-gradient(135deg, #a8edea, #fed6e3);
        }

        .related-card-content {
            padding: 20px;
        }

        .related-card-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: #1a202c;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .related-card-content p {
            font-size: 14px;
            color: #718096;
            line-height: 1.6;
        }