/* --- Değişkenler --- */
:root {
    --primary-color: #0a2540; /* Lacivert */
    --secondary-color: #c5a059; /* Altın/Bronz */
    --text-color: #333333;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --font-heading: 'Merriweather', serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    scroll-behavior: smooth;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }
.bg-light { background-color: var(--light-bg); }
.bg-dark { background-color: var(--primary-color); color: var(--white); }

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    margin-top: 10px;
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }

/* --- Header & Navigasyon --- */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon { width: 30px; fill: var(--secondary-color); }

.navbar .nav-links { display: flex; align-items: center; gap: 30px; }

.nav-links a {
    font-weight: 600;
    color: var(--primary-color);
    transition: color 0.3s;
}

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

.btn-nav {
    background: var(--secondary-color);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 4px;
}

.btn-nav:hover { background: #b08d4b; }

/* Hamburger Menu */
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 25px; height: 3px; margin: 5px auto; background-color: var(--primary-color); transition: all 0.3s ease; }

/* --- Hero Section --- */
.hero {
    height: 80vh;
    background: url('https://images.pexels.com/photos/5668473/pexels-photo-5668473.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10, 37, 64, 0.7); /* Lacivert Filtre */
}

.hero-content { position: relative; z-index: 1; padding: 20px; }

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    margin-bottom: 20px;
}

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

.btn-primary {
    background: var(--secondary-color);
    color: var(--white);
    padding: 15px 30px;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-primary:hover { background: #b08d4b; }

/* --- Hakkımızda --- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-img img { border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

.check-list { margin-top: 20px; }
.check-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    font-weight: 600;
}
.check-list li::before {
    content: '✔';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
}

/* --- Video --- */
.video-wrapper {
    max-width: 800px;
    margin: 30px auto 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}
video { width: 100%; display: block; }

/* --- Gizlilik --- */
.privacy-content {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-left: 5px solid var(--secondary-color);
}

.privacy-content h3 { color: var(--primary-color); margin-top: 20px; }

/* --- İletişim Formu --- */
.contact-wrapper { max-width: 600px; margin: 0 auto; }

.contact-form label { display: block; margin-bottom: 5px; color: #ccc; }
.form-group { margin-bottom: 20px; }

.contact-form input, 
.contact-form select, 
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #444;
    border-radius: 4px;
    background: #162f4d;
    color: var(--white);
    font-family: var(--font-body);
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}
.btn-submit:hover { background: #b08d4b; }

/* --- Footer --- */
footer {
    background: #051626;
    color: #ccc;
    padding: 60px 0 20px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-col h3 { color: var(--white); margin-bottom: 20px; font-family: var(--font-heading); }

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.icon { width: 20px; fill: var(--secondary-color); margin-top: 3px; }

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #1c3550;
    font-size: 0.9rem;
}

/* --- RESPONSIVE TASARIM --- */
@media screen and (max-width: 768px) {
    .hamburger { display: block; }
    
    .navbar {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }

    .navbar.active { left: 0; }

    .nav-links { flex-direction: column; padding: 20px 0; }
    
    .grid-2 { grid-template-columns: 1fr; }
    
    .hero-content h1 { font-size: 2.5rem; }
    
    .footer-container { flex-direction: column; }
}