:root {
            --primary: #004a99;
            --primary-light: #4a80c7;
            --primary-dark: #003366;
            --secondary: #e94e1b;
            --secondary-light: #f27a55;
            --secondary-dark: #b73a14;
            --accent: #f9a825;
            --accent-light: #ffd95b;
            --accent-dark: #b27a00;
            --background: #ffffff;
            --text: #1a1a1a;
            --text-secondary: #555555;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--background);
            color: var(--text);
            line-height: 1.6;
        }

        .navbar-custom {
            background-color: var(--primary);
            border: none;
            margin-bottom: 0;
            padding: 15px 0;
        }

        .navbar-custom .navbar-brand {
            color: white;
            font-size: 28px;
            font-weight: bold;
            letter-spacing: 1px;
        }

        .navbar-custom .navbar-nav > li > a {
            color: white;
            font-weight: 500;
            padding: 15px 20px;
            transition: all 0.3s ease;
        }

        .navbar-custom .navbar-nav > li > a:hover {
            background-color: var(--primary-light);
            color: white;
        }

        .hero-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('images/istanbul-language-education-hero-1280x720.jpeg');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 25px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero-subtitle {
            font-size: 22px;
            margin-bottom: 35px;
            opacity: 0.95;
        }

        .btn-hero {
            background-color: var(--secondary);
            border: none;
            color: white;
            padding: 15px 35px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            transition: all 0.3s ease;
            margin-right: 15px;
            margin-bottom: 10px;
        }

        .btn-hero:hover {
            background-color: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(233, 78, 27, 0.4);
        }

        .btn-hero-outline {
            background-color: transparent;
            border: 2px solid white;
            color: white;
            padding: 13px 35px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-hero-outline:hover {
            background-color: white;
            color: var(--primary);
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 36px;
            font-weight: bold;
            color: var(--primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 50px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .service-card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 5px 25px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            margin-bottom: 30px;
            height: 100%;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }

        .service-icon i {
            font-size: 32px;
            color: white;
        }

        .service-title {
            font-size: 22px;
            font-weight: bold;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .service-description {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .features-section {
            background-color: #f8f9fa;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }

        .feature-icon i {
            font-size: 24px;
            color: white;
        }

        .feature-content h4 {
            color: var(--primary);
            font-weight: bold;
            margin-bottom: 10px;
        }

        .testimonial-card {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 30px;
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            font-size: 60px;
            color: var(--accent);
            position: absolute;
            top: -10px;
            left: 20px;
            font-family: serif;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            padding-top: 20px;
        }

        .testimonial-author {
            font-weight: bold;
            color: var(--primary);
        }

        .testimonial-position {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: white;
        }

        .stat-item {
            text-align: center;
            margin-bottom: 30px;
        }

        .stat-number {
            font-size: 48px;
            font-weight: bold;
            color: var(--accent);
            display: block;
        }

        .stat-label {
            font-size: 18px;
            margin-top: 10px;
        }

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

        .contact-info {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.1);
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }

        .contact-item i {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
        }

        .footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 50px 0 30px;
        }

        .footer-section h4 {
            color: var(--accent);
            margin-bottom: 20px;
        }

        .footer-section ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-section ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section ul li a:hover {
            color: var(--accent);
        }

        .cookie-banner {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--primary-dark);
            color: white;
            padding: 20px;
            z-index: 1000;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        }

        .cookie-banner .btn {
            background-color: var(--accent);
            border: none;
            color: white;
            margin-left: 15px;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
            }
            
            .hero-subtitle {
                font-size: 18px;
            }
            
            .section-title {
                font-size: 28px;
            }
            
            .btn-hero {
                display: block;
                margin: 10px auto;
                width: 80%;
            }
            
            .btn-hero-outline {
                display: block;
                margin: 10px auto;
                width: 80%;
            }
            
            .service-card {
                margin-bottom: 20px;
            }
            
            .feature-item {
                flex-direction: column;
                text-align: center;
            }
            
            .feature-icon {
                margin: 0 auto 15px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }