/* =========================================
   1. GENEL AYARLAR & KURUMSAL RENKLER
   ========================================= */
:root {
    --ana-yesil: #2d5a27;      /* Orman Yeşili */
    --vurgu-yesil: #a8c69f;    /* Adaçayı Yeşili */
    --koyu-yesil: #1e3d1a;
    --arka-plan: #f9fbf9;
    --beyaz: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; scroll-behavior: smooth; }

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--arka-plan);
    color: #333;
    line-height: 1.6;
}

.container { width: 95%; max-width: 1300px; margin: 0 auto; }

/* =========================================
   2. NAVBAR & MARKA LOGO
   ========================================= */
.navbar {
    background-color: var(--beyaz);
    padding: 10px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-bottom: 4px solid var(--ana-yesil);
}

.navbar-content { display: flex; justify-content: space-between; align-items: center; position: relative; }
.header-brand { display: flex; align-items: center; gap: 15px; }
.logos-wrapper { display: flex; align-items: center; gap: 10px; border-right: 2px solid #eee; padding-right: 15px; }
.header-logo { height: 45px; width: auto; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text span { font-weight: 900; font-size: 17px; color: var(--ana-yesil); letter-spacing: -0.5px; }
.brand-text small { font-weight: 700; font-size: 10px; color: #666; letter-spacing: 2px; }

/* Menü Linkleri (Desktop) */
.nav-links a {
    text-decoration: none; color: #444; font-size: 11px; font-weight: 800;
    margin-left: 12px; transition: color 0.3s ease; text-transform: uppercase;
}
.nav-links a:hover { color: var(--ana-yesil); }

/* Hamburger İkonu (Varsayılan olarak gizli) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}
.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--ana-yesil);
    transition: all 0.3s ease;
}

/* =========================================
   3. SABİT ARKA PLANLI HERO ALANI
   ========================================= */
.hero-static {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    background: radial-gradient(circle, #2d5a27 0%, #1e3d1a 100%);
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('arkaplan.jpg') no-repeat center center;
    background-size: cover; 
    opacity: 0.7; 
    z-index: 1;
}

.overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4); 
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 0 20px;
    margin-top: 60px; /* Mobilde menü payı */
}

.main-title { font-size: clamp(24px, 5vw, 48px); font-weight: 900; margin-bottom: 20px; text-shadow: 2px 2px 15px rgba(0,0,0,0.5); }
.main-title span { color: var(--vurgu-yesil); display: block; font-size: 0.7em; margin-top: 10px; }

.hero-subtitle { font-size: 1.2rem; margin-bottom: 35px; font-weight: 400; max-width: 800px; margin: 0 auto 35px; }

.hero-stats { display: flex; justify-content: center; gap: 30px; margin-bottom: 40px; }
.stat-item { font-size: 12px; color: #ddd; }
.stat-item span { display: block; font-size: 32px; font-weight: 900; color: var(--vurgu-yesil); }

.hero-badge {
    background: var(--vurgu-yesil); color: var(--koyu-yesil);
    display: inline-block; padding: 8px 20px; border-radius: 50px;
    font-weight: 800; font-size: 11px; margin-bottom: 20px;
}

/* =========================================
   4. DİĞER BİLEŞENLER
   ========================================= */
.content-area { padding: 80px 0; }
.modern-card, .instructor-card, .info-card { 
    background: var(--beyaz); border-radius: 20px; padding: 40px; 
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); border: 1px solid rgba(0,0,0,0.05);
}
.glass-effect { background: linear-gradient(135deg, #ffffff 0%, #f4f9f4 100%); }

.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }

.eco-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.eco-table th, .eco-table td { padding: 18px; border: 1px solid #eee; text-align: left; }
.eco-table th { background: #f4f7f4; color: var(--ana-yesil); font-weight: 900; }

.btn { display: inline-block; padding: 15px 35px; border-radius: 6px; font-weight: 800; text-decoration: none; transition: 0.3s; cursor: pointer; border: none; }
.btn-green { background: var(--ana-yesil); color: #fff; }
.btn-green:hover { background: var(--koyu-yesil); transform: translateY(-3px); }
.btn-outline { border: 2px solid #fff; color: #fff; margin-left: 10px; }
.btn-outline:hover { background: #fff; color: var(--ana-yesil); }

.page-header-premium {
    position: relative; padding: 170px 0 90px 0;
    background: url('arkaplan.jpg') no-repeat center center/cover;
    text-align: center; color: #fff;
}
.header-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(45, 90, 39, 0.9), rgba(168, 198, 159, 0.7));
}
.header-text { position: relative; z-index: 2; }

footer { background: #1a1a1a; color: #888; padding: 40px 0; text-align: center; font-size: 13px; }

/* =========================================
   5. MOBİL UYUMLULUK VE MENÜ
   ========================================= */
@media (max-width: 992px) {
    /* Hamburger'i göster */
    .hamburger { display: flex; }
    
    /* Menüyü varsayılan olarak gizle */
    .nav-links {
        display: none; 
        position: absolute;
        top: 100%; /* Navbar'ın hemen altı */
        left: 0;
        width: 100%;
        background-color: var(--beyaz);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid #eee;
    }

    /* .active class'ı eklenince menüyü göster (JS ile tetiklenir) */
    .nav-links.active { display: flex; }

    .nav-links a {
        margin: 10px 0;
        font-size: 14px;
        width: 100%;
        text-align: center;
        padding: 10px;
    }

    .hero-stats { flex-direction: column; gap: 20px; }
    .btn-outline { margin-left: 0; margin-top: 10px; width: 100%; }
    .btn-green { width: 100%; }
    
    .header-brand { gap: 10px; }
    .brand-text span { font-size: 15px; }
    .logos-wrapper { padding-right: 10px; }
}