:root {
            --primary: #2A4365;
            --accent: #F6AD55;
            --bg: #F7FAFC;
            --text: #2D3748;
            --card-bg: #FFFFFF;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
            --nav-bg: #233b54;
            --slider-btn-bg: #2A4365;
            --slider-btn-color: #fff;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html, body {
            font-family: 'Montserrat', Arial, sans-serif;
            background: var(--background);
            color: var(--text);
            min-height: 100vh;
        }
       
        .nav {
    background: var(--nav-bg);
    padding: 1rem 2rem;
    position: fixed;
    width: 100vw;
    top: 0;
    z-index: 1000;
    left: 0;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
    
.logo img{
      width: 150px;
    }
    
.nav-links {
    display: flex;
    gap: 2rem;
}
    
.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.3s;
    padding: 0.5rem 0;
}
    
.nav-link:hover {
    color: var(--accent);
}
    
.hamburger {
    display: none;
    cursor: pointer;
    color: white;
    font-size: 32px;
    background: none;
    border: none;
    z-index: 1200;
}

/* Hamburger Menü - Mobil */
@media (max-width: 900px) {
    .nav-content {
    max-width: 98vw;
    padding: 0 1vw;
    }
      
    .hamburger {
        display: block;
      }
      
      .nav-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        position: fixed;
        left: 0;
        top: 0;
        width: 100vw;
        height: 0;
        opacity: 0;
        background: var(--nav-bg);
        z-index: 1100;
        pointer-events: none;
        transition: opacity 0.3s, height 0.3s;
        padding: 0;
        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
      }
      .nav-links.active {
        opacity: 1;
        height: 100vh;
        pointer-events: all;
        padding-top: 50px;
        text-align: center;
        justify-content: center;
      }
      .nav-link {
        font-size: 1.5rem;
        padding: 1.2rem 0;
        width: 100vw;
        text-align: center;
        color: #fff;
      }
    }
        header {
            background: var(--primary);
            color: var(--white);
            padding: 2.5rem 0 2rem 0;
            box-shadow: var(--shadow);
            text-align: center;
            border-radius: 0 0 1.5rem 1.5rem;
        }
        header h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 0.7rem;
        }
        header p {
            font-size: 1.15rem;
            color: #e8e8e8;
            font-weight: 400;
        }
        .container {
            max-width: 1100px;;
            margin: 8.5rem auto;
            padding: 0 1.5rem;
        }
        .hero {
            background: var(--white);
            border-radius: 1.5rem;
            box-shadow: var(--shadow);
            padding: 2.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .hero-text {
            flex: 2;
        }
        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 1.1rem;
            color: var(--primary);
            font-weight: 700;
        }
        .hero p {
            font-size: 1.1rem;
            color: #3a4a5e;
            font-weight: 400;
        }
        .hero-img {
            flex: 1;
            min-width: 180px;
            text-align: right;
        }
        .hero-img img {
            max-width: 180px;
            border-radius: 1.2rem;
            box-shadow: 0 2px 12px rgba(23,72,115,0.12);
            border: 3px solid var(--secondary);
            background: #fff;
        }
        section {
            margin-bottom: 2.5rem;
        }
        h3 {
            color: var(--primary);
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .features {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .feature-card {
            background: var(--white);
            border-radius: 1.2rem;
            box-shadow: var(--shadow);
            padding: 1.7rem 1.2rem 1.5rem 1.2rem;
            flex: 1 1 150px;
            min-width: 240px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .feature-card i {
            font-size: 2.2rem;
            color: var(--secondary);
            margin-bottom: 0.8rem;
        }
        .feature-card strong {
            font-size: 1.13rem;
            margin-bottom: 0.5rem;
            color: var(--primary);
            font-weight: 700;
        }


        /* Responsive Design */
       
        @media (min-width: 900px) {
            html, body {
                overflow-y: hidden;
                height: 100vh;
            }
            .hero h2 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
        }
       
        @media (max-width: 900px) {
            .hero {
                flex-direction: column;
                text-align: center;
                padding: 2rem 1rem;
            }
            .hero-img {
                text-align: center;
                margin-top: 1.5rem;
            }
            .features {
                flex-direction: column;
                gap: 1.5rem;
            }
            .container {
                padding: 0 0.7rem;
            }
            .hero h2 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 600px) {
            .hero {
                padding: 1.3rem 0.5rem;
                gap: 1.2rem;
            }
            .hero-img img {
                max-width: 120px;
            }
            .feature-card {
                padding: 1.1rem 0.7rem 1rem 0.7rem;
                min-width: 0;
            }
            .hero h2 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
        }