:root {
    --primary-color: #456596;
    --secondary-color: #456596;
    --accent-color: #456596;
    --hover-color: #508be6;
    --text-color: #2c3e50;
    --light-text: #6c757d;
    --background: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
}


.login-btn {
    background: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.login-btn:hover {
    background: #456596;  /* Koyu pembe */
    color: #2c3e50;  /* Koyu gri/siyah renk */
    transform: translateY(-2px);
}


/* Hero Section */
.hero {
    background: linear-gradient(135deg, #4e8ae6, #ffffff);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    margin-top: 70px;
}

.hero-content {
    max-width: 800px;
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Features */
.features {
    padding: 5rem 2rem;
}

.feature-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    background: #4e89e4;  /* Koyu pembe */
    color: #2c3e50;  /* Koyu gri/siyah renk */
    transform: translateY(-2px);
}


.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

/* App Download Section */
.app-download {
    padding: 4rem 2rem;
    background: #f8f9fa;
}

.app-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.app-text {
    text-align: center;
    max-width: 600px;
}

.app-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.app-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-color);
}

.app-text p {
    color: var(--light-text);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

.app-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
}

.app-btn {
    flex: 0 1 200px;
    padding: 1rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.google-play, .app-store {
    background: #000000;
    color: white;
}

.app-btn:hover {
    background: #4f8be6;  /* Koyu pembe */
    color: #2c3e50;  /* Koyu gri/siyah renk */
    transform: translateY(-2px);
}

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.btn-content i {
    font-size: 2rem;
}

.btn-text {
    display: flex;
    flex-direction: column;
}

.btn-text small {
    font-size: 0.7rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-text span {
    font-size: 1.1rem;
    font-weight: 600;
}

.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-mockup img {
    width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* How it Works */
.how-it-works {
    padding: 5rem 2rem;
    text-align: center;
}

.how-it-works h2 {
    margin-bottom: 3rem;
}

.steps-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .app-download {
        padding: 2rem 1rem;
    }

    .app-text h2 {
        font-size: 1.5rem;
        margin: 0.5rem 0;
    }

    .app-text p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .app-buttons {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .app-btn {
        flex: 0 1 160px;
        min-width: 140px;
    }

    .btn-content {
        padding: 0.5rem;
    }

    .phone-mockup {
        margin-top: 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .app-download {
        padding: 2rem 1rem;
    }

    .app-text h2 {
        font-size: 1.5rem;
    }

    .app-btn {
        flex: 0 1 140px;
    }

    .btn-content i {
        font-size: 1.3rem;
    }

    .btn-text span {
        font-size: 0.8rem;
    }

    .nav-container {
        padding: 1rem;
    }
}