/* Genel Stiller */
:root {
    --primary-color: #00C389; /* Canlı Yeşil */
    --secondary-color: #00A876; /* Koyu Yeşil */
    --accent-color: #7FFFD4; /* Açık Yeşil (Akuamarin) */
    --text-color: #333;
    --light-text-color: #f4f4f4;
    --bg-color: #ffffff;
    --light-bg-color: #f9f9f9;
    --border-color: #ddd;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Header ve Navigasyon */
header {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-text-color);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--light-text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

/* Butonlar */
.btn-primary {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-color);
    text-decoration: none;
}

.btn-secondary {
    display: inline-block;
    background-color: var(--light-bg-color);
    color: var(--primary-color);
    padding: 10px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    text-decoration: none;
}

/* Bölüm Stilleri */
section {
    padding: 80px 0;
    text-align: center;
}

section:nth-of-type(even) {
    background-color: var(--light-bg-color);
}

section h2, section h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: var(--light-text-color);
    padding: 100px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: left;
}

.hero-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.hero-content {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.hero-content h2 {
    font-size: 3.5rem;
    color: var(--light-text-color);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* About Section */
.about-section p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    font-size: 1.1rem;
}

/* Apps Section */
.apps-section {
    background-color: var(--bg-color);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.app-card {
    background-color: var(--light-bg-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.app-card img {
    max-width: 100%;
    height: 200px; /* Sabit yükseklik */
    object-fit: contain; /* Resmin oranını koruyarak sığdır */
    border-radius: 8px;
    margin-bottom: 20px;
    background-color: #fff;
    padding: 10px;
    border: 1px solid var(--border-color);
}

.app-card h4 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.app-card p {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 20px;
}

.app-card .btn-secondary {
    width: auto;
    margin-top: 15px;
}

.app-card .btn-secondary i {
    margin-right: 8px;
}

/* Contact Section */
.contact-section p {
    max-width: 600px;
    margin: 0 auto 30px auto;
    font-size: 1.1rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--accent-color);
}

.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
}

.social-links {
    margin-top: 40px;
    font-size: 2.5rem;
}

.social-links a {
    color: var(--primary-color);
    margin: 0 15px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Gizlilik Politikası Sayfası */
.privacy-policy-section {
    padding: 80px 0;
    text-align: left;
}

.privacy-policy-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.8rem;
}

.privacy-policy-section h3 {
    font-size: 1.8rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.privacy-policy-section p, .privacy-policy-section ul {
    font-size: 1.05rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.privacy-policy-section ul {
    list-style-type: disc;
    padding-left: 25px;
}

.privacy-policy-section ul li {
    margin-bottom: 8px;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        margin-top: 15px;
    }

    nav ul li {
        margin: 5px 0;
    }

    .hero-section .container {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 40px;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-image {
        margin-bottom: 30px;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .app-card {
        padding: 20px;
    }

    section {
        padding: 50px 0;
    }

    section h2, section h3 {
        font-size: 2rem;
    }

    .social-links {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    nav ul li {
        margin-left: 0;
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .contact-form button {
        font-size: 1rem;
    }

    .social-links {
        font-size: 1.8rem;
    }

    .privacy-policy-section h2 {
        font-size: 2rem;
    }

    .privacy-policy-section h3 {
        font-size: 1.5rem;
    }

    .privacy-policy-section p, .privacy-policy-section ul {
        font-size: 0.95rem;
    }
}