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

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        line-height: 1.6;
        color: #333;
        background-color: #fff;
    }

    .tfci-header {
        background: #075e54;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .tfci-nav {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 70px;
    }

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

    .tfci-menu-toggle {
        display: none;
        flex-direction: column;
        background: none;
        border: none;
        cursor: pointer;
        padding: 5px;
    }

    .tfci-menu-toggle span {
        width: 25px;
        height: 3px;
        background: #fff;
        margin: 3px 0;
        transition: 0.3s;
    }

    .tfci-nav-menu {
        display: flex;
        list-style: none;
        gap: 30px;
    }

    .tfci-nav-menu a {
        color: #fff;
        text-decoration: none;
        font-weight: 500;
        transition: color 0.3s;
        padding: 10px 0;
    }

    .tfci-nav-menu a:hover,
    .tfci-nav-menu a.active {
        color: #25d366;
    }

    .tfci-nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }

    .tfci-business-intro {
        background: linear-gradient(135deg, #075e54 0%, #128c7e 100%);
        color: #fff;
        padding: 80px 0 60px;
        text-align: center;
    }

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

    .tfci-business-intro h1 {
        font-size: 3.5rem;
        font-weight: 700;
        margin-bottom: 20px;
        line-height: 1.2;
    }

    .tfci-business-intro .tfci-subtitle {
        font-size: 1.3rem;
        margin-bottom: 40px;
        opacity: 0.9;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .tfci-business-intro .tfci-highlight-stats {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 30px;
        margin-top: 50px;
    }

    .tfci-stat-card {
        background: rgba(255,255,255,0.1);
        padding: 30px 20px;
        border-radius: 15px;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255,255,255,0.2);
    }

    .tfci-stat-card .tfci-number {
        font-size: 2.5rem;
        font-weight: 700;
        color: #25d366;
        display: block;
    }

    .tfci-stat-card .tfci-label {
        font-size: 1rem;
        margin-top: 10px;
        opacity: 0.9;
    }

    .tfci-business-solutions {
        padding: 100px 0;
        background: #f8f9fa;
    }

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

    .tfci-section-header {
        text-align: center;
        margin-bottom: 80px;
    }

    .tfci-section-header h2 {
        font-size: 2.8rem;
        color: #075e54;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .tfci-section-header p {
        font-size: 1.2rem;
        color: #666;
        max-width: 600px;
        margin: 0 auto;
    }

    .tfci-solutions-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 40px;
    }

    .tfci-solution-card {
        background: #fff;
        padding: 40px;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
        position: relative;
        overflow: hidden;
    }

    .tfci-solution-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, #25d366, #128c7e);
    }

    .tfci-solution-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }

    .tfci-solution-card .tfci-card-icon {
        font-size: 3rem;
        margin-bottom: 20px;
        display: block;
    }

    .tfci-solution-card h3 {
        font-size: 1.5rem;
        color: #075e54;
        margin-bottom: 15px;
        font-weight: 600;
    }

    .tfci-solution-card p {
        color: #666;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    .tfci-solution-card .tfci-highlight {
        background: #e8f5e8;
        color: #075e54;
        padding: 8px 15px;
        border-radius: 20px;
        font-size: 0.9rem;
        font-weight: 500;
        display: inline-block;
    }

    .tfci-business-features {
        padding: 100px 0;
        background: #fff;
    }

    .tfci-features-showcase {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: center;
        margin-bottom: 80px;
    }

    .tfci-features-showcase:nth-child(even) {
        direction: rtl;
    }

    .tfci-features-showcase:nth-child(even) > * {
        direction: ltr;
    }

    .tfci-feature-content h3 {
        font-size: 2.2rem;
        color: #075e54;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .tfci-feature-content p {
        font-size: 1.1rem;
        color: #666;
        line-height: 1.8;
        margin-bottom: 30px;
    }

    .tfci-feature-list {
        list-style: none;
    }

    .tfci-feature-list li {
        padding: 10px 0;
        color: #333;
        position: relative;
        padding-left: 30px;
    }

    .tfci-feature-list li::before {
        content: '✓';
        position: absolute;
        left: 0;
        color: #25d366;
        font-weight: bold;
        font-size: 1.2rem;
    }

    .tfci-feature-image {
        position: relative;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }

    .tfci-feature-image img {
        width: 100%;
        height: 400px;
        object-fit: cover;
        display: block;
    }

    .tfci-testimonials {
        padding: 100px 0;
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    }

    .tfci-testimonials-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
        margin-top: 60px;
    }

    .tfci-testimonial-card {
        background: #fff;
        padding: 40px;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        position: relative;
    }

    .tfci-testimonial-card::before {
        content: '"';
        position: absolute;
        top: -10px;
        left: 30px;
        font-size: 4rem;
        color: #25d366;
        font-family: serif;
    }

    .tfci-testimonial-content {
        font-style: italic;
        color: #555;
        line-height: 1.7;
        margin-bottom: 25px;
        font-size: 1.1rem;
    }

    .tfci-testimonial-author {
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .tfci-author-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: #25d366;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: #fff;
    }

    .tfci-author-info h4 {
        color: #075e54;
        font-weight: 600;
        margin-bottom: 5px;
    }

    .tfci-author-info p {
        color: #666;
        font-size: 0.9rem;
    }

    .tfci-rating {
        margin-top: 15px;
        color: #ffc107;
        font-size: 1.2rem;
    }

    .tfci-cta-section {
        padding: 100px 0;
        background: linear-gradient(135deg, #075e54 0%, #128c7e 100%);
        color: #fff;
        text-align: center;
    }

    .tfci-cta-content h2 {
        font-size: 2.8rem;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .tfci-cta-content p {
        font-size: 1.2rem;
        margin-bottom: 40px;
        opacity: 0.9;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .tfci-cta-buttons {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .tfci-btn {
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: 600;
        font-size: 1.1rem;
        transition: all 0.3s;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        border: none;
        cursor: pointer;
    }

    .tfci-btn-primary {
        background: #25d366;
        color: #fff;
    }

    .tfci-btn-primary:hover {
        background: #20b358;
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    }

    .tfci-btn-secondary {
        background: transparent;
        color: #fff;
        border: 2px solid #fff;
    }

    .tfci-btn-secondary:hover {
        background: #fff;
        color: #075e54;
        transform: translateY(-2px);
    }

    .tfci-footer {
        background: #075e54;
        color: #fff;
        padding: 60px 0 30px;
    }

    .tfci-footer-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }

    .tfci-footer-section h3 {
        color: #25d366;
        margin-bottom: 20px;
        font-size: 1.2rem;
        font-weight: 600;
    }

    .tfci-footer-section ul {
        list-style: none;
    }

    .tfci-footer-section ul li {
        margin-bottom: 10px;
    }

    .tfci-footer-section ul li a {
        color: #fff;
        text-decoration: none;
        opacity: 0.8;
        transition: opacity 0.3s;
    }

    .tfci-footer-section ul li a:hover {
        opacity: 1;
        color: #25d366;
    }

    .tfci-footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 30px;
        text-align: center;
        opacity: 0.8;
    }

    @media (max-width: 768px) {
        .tfci-menu-toggle {
            display: flex;
        }

        .tfci-nav-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: #075e54;
            flex-direction: column;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .tfci-nav-menu.active {
            display: flex;
        }

        .tfci-nav-menu a {
            padding: 15px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .tfci-business-intro h1 {
            font-size: 2.5rem;
        }

        .tfci-business-intro .tfci-subtitle {
            font-size: 1.1rem;
        }

        .tfci-section-header h2 {
            font-size: 2.2rem;
        }

        .tfci-solutions-grid {
            grid-template-columns: 1fr;
        }

        .tfci-features-showcase {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .tfci-features-showcase:nth-child(even) {
            direction: ltr;
        }

        .tfci-testimonials-grid {
            grid-template-columns: 1fr;
        }

        .tfci-cta-content h2 {
            font-size: 2.2rem;
        }

        .tfci-cta-buttons {
            flex-direction: column;
            align-items: center;
        }

        .tfci-btn {
            width: 100%;
            max-width: 300px;
            justify-content: center;
        }
    }

    @media (max-width: 480px) {
        .tfci-business-intro {
            padding: 60px 0 40px;
        }

        .tfci-business-intro h1 {
            font-size: 2rem;
        }

        .tfci-solution-card,
        .tfci-testimonial-card {
            padding: 30px 20px;
        }

        .tfci-business-solutions,
        .tfci-business-features,
        .tfci-testimonials,
        .tfci-cta-section {
            padding: 60px 0;
        }
    }