/* ===== সমস্ত স্টাইল এখানে ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Poppins", sans-serif;
        }

        body {
            background: #f9fafc;
            color: #0b2b4a;
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== SCROLL ANIMATIONS ===== */
        .scroll-animate {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .scroll-animate.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .scroll-animate.fade-left {
            transform: translateX(-60px);
        }
        .scroll-animate.fade-left.visible {
            transform: translateX(0);
        }

        .scroll-animate.fade-right {
            transform: translateX(60px);
        }
        .scroll-animate.fade-right.visible {
            transform: translateX(0);
        }

        .scroll-animate.zoom-in {
            transform: scale(0.85);
            opacity: 0;
        }
        .scroll-animate.zoom-in.visible {
            transform: scale(1);
            opacity: 1;
        }

        .scroll-animate.fade-up {
            transform: translateY(50px);
        }
        .scroll-animate.fade-up.visible {
            transform: translateY(0);
        }

        .stagger-children > * {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(2) { transition-delay: 0.10s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(4) { transition-delay: 0.20s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(6) { transition-delay: 0.30s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
        .stagger-children.visible > *:nth-child(8) { transition-delay: 0.40s; opacity: 1; transform: translateY(0); }

        /* ===== KEYFRAMES ===== */
        @keyframes fadeUp {
            0% { opacity: 0; transform: translateY(30px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        @keyframes cardGlow {
            0% { box-shadow: 0 6px 24px rgba(0,0,0,0.03); }
            50% { box-shadow: 0 12px 48px rgba(212, 161, 62, 0.15); }
            100% { box-shadow: 0 6px 24px rgba(0,0,0,0.03); }
        }
        @keyframes iconPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        @keyframes slideDown {
            0% { opacity: 0; transform: translateY(-10px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }

        @keyframes moveHorizontal {
            0% { transform: translateX(-50%) translateY(-10%); }
            50% { transform: translateX(50%) translateY(10%); }
            100% { transform: translateX(-50%) translateY(-10%); }
        }

        @keyframes moveInCircle {
            0% { transform: rotate(0deg); }
            50% { transform: rotate(180deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes moveVertical {
            0% { transform: translateY(-50%); }
            50% { transform: translateY(50%); }
            100% { transform: translateY(-50%); }
        }

        .bg-circle {
            position: absolute;
            border-radius: 50%;
            opacity: 0.15;
            filter: blur(80px);
            pointer-events: none;
            z-index: 0;
        }

        .bg-circle-first {
            animation: moveVertical 8s ease infinite;
            width: 500px;
            height: 500px;
            background: #8b5cf6;
            top: -100px;
            left: -100px;
        }

        .bg-circle-second {
            animation: moveInCircle 20s reverse infinite;
            width: 400px;
            height: 400px;
            background: #3b82f6;
            bottom: -50px;
            right: -50px;
        }

        .bg-circle-third {
            animation: moveInCircle 40s linear infinite;
            width: 600px;
            height: 600px;
            background: #000;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .bg-circle-fourth {
            animation: moveHorizontal 10s ease infinite;
            width: 350px;
            height: 350px;
            background: #ffa800;
            top: 20px;
            right: 20px;
        }

        .bg-circle-fifth {
            animation: moveInCircle 20s ease infinite;
            width: 400px;
            height: 400px;
            background: #fff;
            bottom: 20px;
            left: 20px;
        }

        .animate-fade {
            animation: fadeUp 0.8s ease forwards;
            opacity: 0;
        }
        .animate-fade-d1 { animation-delay: 0.1s; }
        .animate-fade-d2 { animation-delay: 0.2s; }
        .animate-fade-d3 { animation-delay: 0.3s; }
        .animate-fade-d4 { animation-delay: 0.4s; }

        /* ----- NAVBAR ----- */
        .navbar {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            border-bottom: 1px solid rgba(238, 242, 248, 0.6);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        a.logo-link {
            text-decoration: none;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #0b2b4a;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: #d4a13e;
        }

        .nav-links {
            padding-right:50px;
            display: flex;
            gap: 30px;
            font-weight: 500;
            align-items: center;
        }
        .nav-links > a {
            text-decoration: none;
            color: #1f2937;
            transition: 0.3s;
            font-size: 1rem;
            position: relative;
        }
        .nav-links > a:hover {
            color: #d4a13e;
        }
        .nav-links .active {
            color: #d4a13e;
        }

        .dropdown {
            position: relative;
            display: inline-block;
        }
        .dropdown > a {
            text-decoration: none;
            color: #1f2937;
            transition: 0.3s;
            font-size: 1rem;
            cursor: pointer;
        }
        .dropdown > a:hover {
            color: #d4a13e;
        }
        .dropdown > a i {
            font-size: 0.7rem;
            margin-left: 4px;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            background: #ffffff;
            min-width: max-content;
            box-shadow: 0 12px 40px rgba(0,0,0,0.10);
            border-radius: 16px;
            padding: 8px 0;
            border: 1px solid #eef2f8;
            animation: fadeUp 0.25s ease;
            z-index: 200;
        }
        .dropdown-content a {
            display: block;
            padding: 10px 20px;
            color: #1f2937;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            border-left: 3px solid transparent;
        }
        .dropdown-content a:hover {
            background: #f4f8ff;
            color: #d4a13e;
            border-left-color: #d4a13e;
        }
        .dropdown-content a i {
            margin-right: 10px;
            color: #d4a13e;
            width: 20px;
        }

        .dropdown:hover .dropdown-content {
            display: block;
        }

        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #0b2b4a;
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            background: linear-gradient(145deg, #ffffff 0%, #f4f7fd 100%);
            padding: 60px 0 50px;
            border-bottom: 1px solid #e9edf4;
            overflow: hidden;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .hero-content {
            flex: 1 1 55%;
        }

        .hero-badge {
            display: inline-block;
            background: #e6f0fa;
            color: #0b2b4a;
            font-size: 0.9rem;
            padding: 6px 20px;
            border-radius: 40px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .hero-badge i {
            color: #d4a13e;
        }

        .hero-content h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.15;
            color: #0b2b4a;
            margin-bottom: 8px;
        }
        .hero-content h1 .highlight {
            color: #d4a13e;
        }

        .hero-sub {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2d4059;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: #3f4a5a;
            max-width: 600px;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-block;
            background: #d4a13e;
            color: #0b2b4a;
            padding: 14px 38px;
            border-radius: 60px;
            font-weight: 600;
            text-decoration: none;
            transition: 0.3s;
            box-shadow: 0 6px 20px rgba(11,43,74,0.15);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            transform: translateY(-3px);
            background: linear-gradient(135deg, #b45309, #92400e);
            color: #fef3c7;
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 8px 24px rgba(180, 83, 9, 0.45);
        }
        .btn-gold {
            background: #d4a13e;
            color: #0b2b4a;
            box-shadow: 0 6px 20px rgba(212, 161, 62, 0.3);
        }
        .btn-gold:hover {
            box-shadow: 0 10px 32px rgba(212, 161, 62, 0.4);
            background: linear-gradient(135deg, #b45309, #92400e);
            color: #fef3c7;
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 8px 24px rgba(180, 83, 9, 0.45);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px 50px;
            margin-top: 32px;
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .stat-item i {
            font-size: 2.2rem;
            color: #d4a13e;
            width: 44px;
        }
        .stat-item div {
            font-weight: 600;
            font-size: 1rem;
            color: #1f2937;
        }
        .stat-item div small {
            display: block;
            font-weight: 400;
            font-size: 0.8rem;
            color: #5b6b7e;
        }

        .hero-image {
            flex: 1 1 35%;
            min-height: 374px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #e2e9f3;
            border-radius: 40px;
            font-size: 5rem;
            animation: float 4s ease-in-out infinite;
            background-image: url('best_seo_expert_in_bd.jpg');
            background-repeat: no-repeat;
            background-position: center;
            background-size: 380px;
            position: relative;
            z-index: 1;
        }

        #typed-text {
            display: inline;
        }
        #cursor {
            display: inline;
            color: #aa9797;
            animation: blink 0.8s step-end infinite;
        }
        .hero-content h1 .highlight {
            display: inline-block;
        }

        /* ===== SKILLS SECTION ===== */
        .skills-section {
            background: #ffffff;
            padding: 70px 0;
            border-bottom: 1px solid #e9edf4;
        }

        .skills-section .section-title {
            font-size: 2.3rem;
            font-weight: 700;
            color: #0b2b4a;
            text-align: center;
            margin-bottom: 12px;
        }

        .skills-section .section-sub {
            text-align: center;
            color: #4a5a6e;
            max-width: 720px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        .skills-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .skill-category {
            background: #f8faff;
            border-radius: 28px;
            padding: 30px 28px;
            border: 1px solid #edf2f9;
            transition: all 0.4s ease;
        }

        .skill-category:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(11,43,74,0.06);
            border-color: #d4a13e55;
        }

        .skill-category h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b2b4a;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .skill-category h3 i {
            color: #d4a13e;
            font-size: 1.5rem;
        }

        .skill-item {
            margin-bottom: 18px;
        }

        .skill-item:last-child {
            margin-bottom: 0;
        }

        .skill-item .skill-label {
            display: flex;
            justify-content: space-between;
            font-weight: 500;
            color: #1e293b;
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .skill-item .skill-label span:last-child {
            color: #d4a13e;
            font-weight: 700;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: #e2e8f0;
            border-radius: 50px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 50px;
            background: linear-gradient(90deg, #d4a13e, #f0d080);
            width: 0%;
            transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .progress-fill.animated {
            width: var(--target);
        }

        .skills-quote {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, #0b2b4a, #1a3f5e);
            border-radius: 28px;
            padding: 32px 40px;
            color: #ffffff;
            text-align: center;
            border: none;
        }

        .skills-quote i {
            font-size: 2rem;
            color: #d4a13e;
            margin-bottom: 12px;
            display: block;
        }

        .skills-quote p {
            font-size: 1.1rem;
            font-weight: 400;
            line-height: 1.7;
            max-width: 700px;
            margin: 0 auto;
            color: #e8edf4;
        }

        .skills-quote p strong {
            color: #d4a13e;
        }

        @media (max-width: 768px) {
            .skills-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .skills-quote {
                padding: 24px 20px;
            }
            .skills-quote p {
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .skill-category {
                padding: 22px 16px;
            }
            .skill-item .skill-label {
                font-size: 0.85rem;
            }
        }

        /* ===== SECTION (General) ===== */
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2.3rem;
            font-weight: 700;
            color: #0b2b4a;
            text-align: center;
            margin-bottom: 12px;
        }
        
        .section-sub {
            text-align: center;
            color: #4a5a6e;
            max-width: 720px;
            margin: 0 auto 48px;
            font-size: 1.1rem;
        }

        /* ===== SERVICE CARDS ===== */
        .service-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #ffffff;
            padding: 28px 20px;
            border-radius: 28px;
            box-shadow: 0 6px 24px rgba(0,0,0,0.03);
            border: 1px solid #edf2f9;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, transparent, #d4a13e, transparent);
            transition: left 0.6s ease;
        }

        .service-card:hover::before {
            left: 100%;
        }

        .service-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #d4a13e, #f0d080, #d4a13e);
            transform: scaleX(0);
            transition: transform 0.5s ease;
            transform-origin: center;
        }

        .service-card:hover::after {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: #d4a13e66;
            box-shadow: 0 20px 60px rgba(212, 161, 62, 0.15);
            animation: cardGlow 2s ease-in-out infinite;
        }

        .service-card i {
            font-size: 2.8rem;
            color: #d4a13e;
            margin-bottom: 16px;
            transition: all 0.5s ease;
            display: inline-block;
        }

        .service-card:hover i {
            animation: iconPulse 1s ease-in-out infinite;
            color: #c4902e;
        }

        .service-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0b2b4a;
            font-weight: 700;
            transition: color 0.3s ease;
            line-height: 1.3;
            min-height: 50px;
        }

        .service-card:hover h3 {
            color: #d4a13e;
        }

        .text-wrapper {
            max-height: 8rem;
            overflow: hidden;
            transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            line-height: 1.7rem;
            position: relative;
            flex: 1;
        }

        .text-wrapper.expanded {
            max-height: 2000px;
        }

        .text-wrapper:not(.expanded)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3rem;
            background: linear-gradient(to bottom, transparent, #ffffff);
            pointer-events: none;
        }

        .text-wrapper p {
            color: #3f4f62;
            font-size: 0.92rem;
            margin-bottom: 10px;
        }

        .text-wrapper p:last-child {
            margin-bottom: 0;
        }

        .link-wrapper {
            margin-top: 16px;
            padding-top: 12px;
            border-top: 1px solid #f0f2f5;
        }

        .toggle-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: #0b2b4a;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 40px;
            transition: all 0.3s ease;
            background: #f4f8ff;
            width: 100%;
            justify-content: center;
        }

        .toggle-btn:hover {
            background: #d4a13e;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 161, 62, 0.3);
        }

        .toggle-btn i {
            font-size: 0.9rem !important;
            margin: 0 !important;
            transition: transform 0.3s ease;
        }

        .toggle-btn:hover i {
            transform: translateX(4px);
            animation: none !important;
            color: #ffffff !important;
        }

        .service-card:hover .toggle-btn {
            background: #f0f4fa;
        }

        .service-card:hover .toggle-btn:hover {
            background: #d4a13e;
            color: #ffffff;
        }

        @media (max-width: 1200px) {
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .service-cards {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
        }

        @media (max-width: 820px) {
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 20px 0 8px;
                align-items: flex-start;
            }
            .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .dropdown {
                width: 100%;
            }
            .dropdown-content {
                position: static;
                box-shadow: none;
                border: none;
                padding-left: 20px;
                background: transparent;
                animation: none;
                display: none;
            }
            .dropdown-content a {
                padding: 6px 0;
                border-left: none;
            }
            .dropdown-content a:hover {
                background: transparent;
                border-left: none;
            }
            .dropdown.open .dropdown-content {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.5rem;
            }
            .hero-grid {
                flex-direction: column-reverse;
            }
            .hero-image {
                width: 180px;
                min-height: 180px;
                background-size: 180px;
            }
        }

        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .stat-item {
                flex-basis: 100%;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .hero-stats {
                gap: 16px;
            }
            .service-card {
                padding: 24px 16px;
            }
            .service-card h3 {
                font-size: 1.1rem;
                min-height: auto;
            }
        }

        /* ===== GROW SECTION ===== */
        .grow-section {
            background: #f4f8ff;
            padding: 70px 0;
            border-top: 1px solid #e9edf4;
            border-bottom: 1px solid #e9edf4;
        }
        .grow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }
        .grow-item {
            background: #ffffff;
            padding: 28px 20px;
            border-radius: 24px;
            border: 1px solid #e9edf4;
            transition: 0.35s;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
        }
        .grow-item:hover {
            transform: translateY(-6px);
            border-color: #d4a13e55;
            box-shadow: 0 12px 32px rgba(11,43,74,0.06);
        }
        .grow-item i {
            font-size: 2.8rem;
            color: #d4a13e;
            margin-bottom: 16px;
        }
        .grow-item h4 {
            font-size: 1.2rem;
            margin-bottom: 6px;
            color: #0b2b4a;
        }
        .grow-item p {
            color: #4a5a6e;
            font-size: 0.95rem;
        }
        .grow-item .phone {
            font-size: 1.4rem;
            font-weight: 700;
            color: #d4a13e;
        }

        /* ===== BLOG ===== */
        .blog-section {
            background: #ffffff;
        }
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .blog-card {
            background: #ffffff;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0,0,0,0.03);
            border: 1px solid #edf2f9;
            transition: 0.35s;
        }
        .blog-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(11,43,74,0.06);
            border-color: #d4a13e55;
        }
        .blog-card .blog-img {
            height: auto;
            width: 100%;
            background: linear-gradient(135deg, #f4f8ff, #e6f0fa);
            display: block;
            align-items: center;
            justify-content: center;
            font-size: 3.5rem;
            color: #d4a13e;
            border-bottom: 3px solid #d4a13e;
        }
        .blog-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .blog-card .blog-body {
            padding: 22px 22px 26px;
        }
        .blog-card .blog-body .tag {
            background: #0b2b4a;
            color: #fff;
            font-size: 0.7rem;
            padding: 4px 16px;
            border-radius: 40px;
            display: inline-block;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .blog-card .blog-body h3 {
            font-size: 1.2rem;
            color: #0b2b4a;
            margin-bottom: 4px;
        }
        .blog-card .blog-body .meta {
            color: #6a7f94;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }
        .blog-card .blog-body p {
            color: #3f4f62;
            font-size: 0.95rem;
        }
        .blog-card .blog-body .read-more {
            display: inline-block;
            margin-top: 12px;
            font-weight: 600;
            color: #0b2b4a;
            text-decoration: none;
            transition: 0.3s;
        }
        .blog-card .blog-body .read-more i {
            transition: 0.3s;
        }
        .blog-card .blog-body .read-more:hover i {
            transform: translateX(6px);
        }

       /* ===== DIFFERENCE ===== */
        .section.diff-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
            border-radius: 24px;
        }

        /* ===== TITLE & SUBTITLE ===== */
        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            text-align: center;
            color: #0f172a;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .section-title span {
            color: #3b82f6;
            background: linear-gradient(135deg, #d4a13e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-sub {
            font-size: clamp(1rem, 1.5vw, 1.2rem);
            text-align: center;
            color: #475569;
            max-width: 700px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        /* ===== GRID ===== */
        .diff-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 36px;
        }

        /* ===== ITEMS ===== */
        .diff-item {
            background: #ffffff;
            padding: 28px 22px;
            border-radius: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .diff-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        }

        .diff-item h4 {
            font-size: clamp(1rem, 1.2vw, 1.2rem);
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .diff-item p {
            font-size: clamp(0.9rem, 1vw, 1rem);
            color: #475569;
            line-height: 1.6;
        }

        /* ===== BUTTON ===== */
        .btn {
            display: inline-block;;
            padding: 14px 42px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: background 0.3s ease, transform 0.2s ease;
            letter-spacing: 0.3px;
        }

        .btn:hover {
            background: #1e293b;
            transform: scale(1.02);
        }

        /* ===== SCROLL ANIMATION (optional) ===== */
        .scroll-animate {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeUp 0.7s ease forwards;
        }

        .scroll-animate.fade-up {
            animation: fadeUp 0.7s ease forwards;
        }

        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(30px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .stagger-children .diff-item {
            opacity: 0;
            animation: fadeUp 0.6s ease forwards;
        }

        .stagger-children .diff-item:nth-child(1) {
            animation-delay: 0.1s;
        }
        .stagger-children .diff-item:nth-child(2) {
            animation-delay: 0.2s;
        }
        .stagger-children .diff-item:nth-child(3) {
            animation-delay: 0.3s;
        }
        .stagger-children .diff-item:nth-child(4) {
            animation-delay: 0.4s;
        }
        .stagger-children .diff-item:nth-child(5) {
            animation-delay: 0.5s;
        }
        .stagger-children .diff-item:nth-child(6) {
            animation-delay: 0.6s;
        }

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

        /* ——— Tablet (≤ 1024px) ——— */
        @media (max-width: 1024px) {
            .diff-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .section.diff-section {
                padding: 60px 0;
            }
        }

        /* ——— Mobile (≤ 768px) ——— */
        @media (max-width: 768px) {
            .section.diff-section {
                padding: 48px 0;
                border-radius: 16px;
            }

            .container {
                padding: 0 16px;
            }

            .section-sub {
                margin-bottom: 32px;
            }

            .diff-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .diff-item {
                padding: 22px 18px;
            }

            .btn {
                padding: 12px 34px;
                font-size: 0.95rem;
                width: 100%;
                max-width: 280px;
                text-align: center;
            }

            /* center button container */
            .scroll-animate.fade-up:last-child {
                text-align: center;
            }
        }

        /* ——— Small Mobile (≤ 480px) ——— */
        @media (max-width: 480px) {
            .section.diff-section {
                padding: 32px 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-sub {
                font-size: 0.95rem;
            }

            .diff-item {
                padding: 18px 14px;
            }

            .diff-item h4 {
                font-size: 1rem;
            }

            .diff-item p {
                font-size: 0.9rem;
            }

            .btn {
                padding: 12px 28px;
                font-size: 0.9rem;
                max-width: 100%;
            }
        }

        /* ===== CASE STUDIES ===== */
        .case-studies {
            background: #e2f5f25c;
        }
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #f8faff;
            border-radius: 28px;
            padding: 32px 28px;
            border: 1px solid #e3eaf3;
            transition: 0.4s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #d4a13e, #f0d080);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .case-card:hover::before {
            opacity: 1;
        }
        .case-card:hover {
            transform: translateY(-6px);
            border-color: #d4a13e;
            box-shadow: 0 16px 48px rgba(212, 161, 62, 0.12);
        }
        .case-card .tag {
            background: #0b2b4a;
            color: #fff;
            font-size: 0.7rem;
            padding: 4px 16px;
            border-radius: 40px;
            display: inline-block;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .case-card .tag.gold {
            background: #d4a13e;
            color: #0b2b4a;
        }
        .case-card h3 {
            font-size: 1.3rem;
            color: #0b2b4a;
            margin-bottom: 6px;
        }
        .case-card .meta {
            color: #5d6e82;
            font-size: 0.85rem;
            margin-bottom: 14px;
        }
        
        .case-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .case-preview {
            color: #3f4f62;
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        
        .case-preview strong {
            color: #0b2b4a;
        }
        
        .case-full {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, margin 0.4s ease;
            opacity: 0;
            margin-top: 0;
        }
        
        .case-card.expanded .case-full {
            max-height: 800px;
            opacity: 1;
            margin-top: 12px;
        }
        
        .case-full .case-details {
            background: #ffffff;
            border-radius: 16px;
            padding: 16px 18px;
            margin-bottom: 14px;
            border-left: 4px solid #d4a13e;
        }
        
        .case-full .case-details p {
            color: #2d4059;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 4px;
        }
        
        .case-full .case-details p:last-child {
            margin-bottom: 0;
        }
        
        .case-full .case-details .label {
            font-weight: 700;
            color: #0b2b4a;
        }
        
        .case-result {
            font-weight: 700;
            color: #0b2b4a;
            font-size: 1.1rem;
            padding-top: 12px;
            border-top: 1px solid #e3eaf3;
            margin-top: 4px;
        }
        
        .case-result span {
            color: #d4a13e;
            font-size: 1.3rem;
        }
        
        .case-read-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 14px;
            padding: 10px 22px;
            background: #0b2b4a;
            color: #ffffff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: flex-start;
        }
        
        .case-read-btn:hover {
            background: #d4a13e;
            color: #0b2b4a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 161, 62, 0.3);
        }
        
        .case-read-btn i {
            transition: transform 0.3s ease;
        }
        
        .case-card.expanded .case-read-btn i {
            transform: rotate(180deg);
        }
        
        .case-card.expanded .case-read-btn {
            background: #d4a13e;
            color: #0b2b4a;
        }

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

        @media (max-width: 600px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-card {
                padding: 24px 18px;
            }
        }

        /* ===== FAQ SECTION ===== */
        .faq-section {
            background: #f4f8ff;
        }

        .faq-grid {
            display: grid;
            max-width: 700px;
            margin: 0 auto; 
        }

        .faq-item {
            background: #ffffff;
            border-radius: 16px;
            padding: 0;
            border: 1px solid #e3eaf3;
            transition: all 0.3s ease;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
            margin-top: 20px;
        }

        .faq-item:hover {
            border-color: #d4a13e66;
            box-shadow: 0 8px 24px rgba(212, 161, 62, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            transition: all 0.3s ease;
            gap: 16px;
        }

        .faq-question:hover {
            background: #f8faff;
        }

        .faq-question .q-left {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
        }

        .faq-question .q-left i {
            color: #d4a13e;
            font-size: 1.1rem;
            min-width: 20px;
            margin-top: 2px;
        }

        .faq-question .q-left strong {
            color: #0b2b4a;
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
        }

        .faq-toggle-icon {
            min-width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f0f4fa;
            border-radius: 50%;
            transition: all 0.4s ease;
            color: #0b2b4a;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle-icon {
            background: #d4a13e;
            color: #ffffff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 22px 22px 22px;
        }

        .faq-answer p {
            color: #3f4f62;
            font-size: 0.95rem;
            line-height: 1.7;
            padding-top: 4px;
            animation: slideDown 0.4s ease;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 900px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                max-width: 700px;
            }
        }

        @media (max-width: 480px) {
            .faq-question {
                padding: 14px 16px;
            }
            .faq-question .q-left strong {
                font-size: 0.92rem;
            }
            .faq-answer p {
                font-size: 0.9rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px 16px;
            }
        }

        /* ===== FOOTER ===== */
        .footer {
            background: #0b2b4a;
            color: #cfddee;
            padding: 50px 0 30px;
            border-top: 4px solid #d4a13e;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .footer-col a,
        .footer-col p {
            display: block;
            color: #b6c9df;
            text-decoration: none;
            margin-bottom: 8px;
            font-size: 0.95rem;
            transition: 0.3s;
        }
        .footer-col a:hover {
            color: #d4a13e;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid #1f3f5a;
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #a0b7cf;
        }