/* --- DEĞİŞKENLER --- */
:root {
    --primary-color: #0f172a;   /* Koyu Lacivert/Siyah - Otorite */
    --accent-color: #c29b61;    /* Altın/Bronz - Prestij */
    --bg-light: #f8fafc;        /* Kırık Beyaz - Zemin */
    --text-dark: #334155;       /* Koyu Gri - Metin */
    --text-light: #ffffff;
    --font-heading: 'Playfair Display', serif; /* Serif Font - Güven */
    --font-body: 'Lato', sans-serif;           /* Sans Serif - Okunabilirlik */
    --max-width: 1100px;
    --border-radius: 4px;
    --transition: 0.3s ease;
}

/* --- SIFIRLAMA & TEMEL --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { width: 100%; height: auto; display: block; border-radius: var(--border-radius); }
ul { list-style: none; }

/* --- HEADER --- */
header {
    background-color: var(--text-light);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 1px;
}

.logo-icon { width: 24px; height: 24px; fill: var(--accent-color); }

.nav-links { display: flex; gap: 30px; }

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a:hover { color: var(--accent-color); }

/* Mobil Menü */
.burger { display: none; cursor: pointer; }
.burger div { width: 25px; height: 3px; background-color: var(--primary-color); margin: 5px; transition: var(--transition); }

/* --- HERO BÖLÜMÜ --- */
.hero {
    height: 70vh;
    position: relative;
    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;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.7); /* Koyu Overlay */
}

.hero-content { position: relative; z-index: 1; padding: 20px; }

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: var(--text-light);
    font-weight: 600;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    border: 1px solid var(--accent-color);
}

.btn:hover {
    background-color: transparent;
    color: var(--text-light);
}

/* --- GENEL BÖLÜMLER --- */
.section { padding: 80px 0; }
.bg-light { background-color: #ffffff; }
.bg-dark { background-color: var(--primary-color); color: var(--text-light); }

.section-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: ''; display: block; width: 50px; height: 3px;
    background: var(--accent-color); margin-top: 10px;
}

.text-center { text-align: center; }
.section-subtitle { color: #64748b; margin-bottom: 40px; }

/* Hakkımızda Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.features-list { margin-top: 20px; }
.features-list li { margin-bottom: 10px; color: var(--text-dark); font-weight: 500; }

/* Video */
.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
video { width: 100%; display: block; }

/* --- İLETİŞİM --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    background: var(--text-light);
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.contact-info {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 40px;
}

.contact-info h3 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 20px; }
.contact-info p { margin-bottom: 30px; opacity: 0.8; }

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.icon { width: 20px; height: 20px; fill: var(--accent-color); margin-right: 15px; }

#questionForm { padding: 40px; }

.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 0.9rem; }
input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-family: inherit;
    background-color: #f8fafc;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent-color); background: #fff; }

.btn-dark { background-color: var(--primary-color); color: white; width: 100%; border: none; cursor: pointer; }
.btn-dark:hover { background-color: #1e293b; }

/* --- GİZLİLİK --- */
.privacy-content { max-width: 800px; margin: 0 auto; color: #cbd5e1; }
.text-white { color: var(--text-light); margin-bottom: 30px; }

/* --- FOOTER --- */
footer {
    background-color: #0b1120;
    color: #94a3b8;
    padding: 30px 0;
    border-top: 1px solid #1e293b;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-weight: 600;
}
.icon-small { width: 18px; height: 18px; }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 60px;
        background-color: var(--text-light);
        flex-direction: column;
        width: 100%;
        text-align: center;
        padding: 20px 0;
        transform: translateY(-150%);
        transition: 0.4s ease;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 999;
    }
    
    .nav-links.nav-active { transform: translateY(0); }
    .burger { display: block; }
    
    .hero-content h1 { font-size: 2.2rem; }
    .grid-2 { grid-template-columns: 1fr; }
    
    .contact-layout { grid-template-columns: 1fr; }
    .contact-info { padding: 30px; }
    #questionForm { padding: 30px; }
    
    .footer-content { flex-direction: column; gap: 15px; }
}