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

:root {
    --primary-green: #2ecc71;
    --dark-green: #388e3c; /* Daha koyu tarım yeşili */
    --text-dark: #333;
    --bg-light: #f4f6f5;
    --border-color: #e0e0e0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

/* --- HEADER & NAV --- */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logonuzu eklediğinizde bu CSS devreye girecek */
.logo-img { 
    height: 80px; /* Logonun yüksekliği, ihtiyacınıza göre değiştirebilirsiniz */
    width: auto; 
    display: block;
    transition: transform 0.3s ease;
}

/* Mouse ile üzerine gelince logonun hafifçe büyümesi efekti (İsteğe bağlı) */
.logo-img:hover {
    transform: scale(1.05);
}
.logo-text { font-size: 24px; color: var(--dark-green); }
.logo-text strong { color: var(--text-dark); }

.nav-links { display: flex; list-style: none; gap: 25px; }
.nav-links li a {
    text-decoration: none; color: var(--text-dark);
    font-weight: 600; font-size: 14px; padding: 10px 0; display: block; transition: 0.3s;
}
.nav-links li a:hover { color: var(--dark-green); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: 100%; left: 0; background-color: #fff;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1); list-style: none; min-width: 200px;
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: all 0.3s ease; border-top: 3px solid var(--dark-green);
}
.dropdown-menu li { border-bottom: 1px solid #f1f1f1; }
.dropdown-menu li a { padding: 12px 15px; font-weight: 400; font-size: 13px; }
.dropdown-menu li a:hover { background-color: #f4fbf6; padding-left: 20px; }
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }

/* --- HOMEPAGE LAYOUT --- */
.homepage-container {
    display: flex;
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 50px;
    gap: 40px;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 280px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    height: fit-content;
}

.sidebar-header {
    background-color: var(--dark-green);
    color: #fff;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 16px;
}

.sidebar-menu { list-style: none; }
.sidebar-menu li { border-bottom: 1px solid var(--border-color); }
.sidebar-menu li:last-child { border-bottom: none; }
.sidebar-menu li a {
    display: block; padding: 15px 20px; text-decoration: none;
    color: var(--text-dark); font-size: 14px; transition: 0.3s;
}
.sidebar-menu li a:hover {
    background-color: #e8f5e9; color: var(--dark-green); padding-left: 25px; font-weight: 600;
}

/* --- MAIN CONTENT --- */
.main-content {
    flex: 1; /* Geri kalan alanı kapla */
}

.hero { margin-bottom: 50px; }
.hero h1 { font-size: 2.5rem; color: #111; margin-bottom: 15px; }
.hero p { font-size: 1.1rem; color: #555; line-height: 1.6; }
/* --- SLIDER TASARIMI --- */
.slider-container {
    position: relative;
    width: 100%;
    height: 350px; /* Slider yüksekliğini buradan ayarlayabilirsiniz */
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out; /* Slaytlar arası yumuşak geçiş süresi */
    z-index: 1;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Görselin alanı orantılı kaplamasını sağlar */
}

/* Slayt Üzerindeki Yazı Alanı */
.slide-content {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: rgba(0, 0, 0, 0.6); /* Yazının arkasına hafif siyah transparan fon */
    color: #fff;
    padding: 20px 25px;
    border-radius: 8px;
    max-width: 80%;
    border-left: 4px solid var(--primary-green);
}

.slide-content h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.slide-content p {
    font-size: 1rem;
    color: #e0e0e0;
}

@media (max-width: 768px) {
    .slider-container { height: 250px; }
    .slide-content h1 { font-size: 1.3rem; }
    .slide-content p { font-size: 0.9rem; }
    .slide-content { bottom: 15px; left: 15px; padding: 15px; }
}

/* --- PRODUCTS GRID --- */
.products h2 { font-size: 1.5rem; margin-bottom: 25px; border-bottom: 2px solid var(--dark-green); padding-bottom: 10px; display: inline-block;}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

/* Eklenen yeni görsel stili */
.product-img {
    width: 100%;
    height: 180px;
    object-fit: cover; /* Görselin en-boy oranını bozmadan alanı kaplamasını sağlar */
    border-radius: 6px;
    margin-bottom: 15px;
    display: block;
}

.product-card h3 { font-size: 16px; margin-bottom: 5px; color: var(--text-dark); }
.product-card p { font-size: 13px; color: #777; }

/* --- FOOTER --- */
.footer {
    background-color: var(--dark-green);
    color: #fff;
    padding: 60px 50px 20px 50px;
    margin-top: 60px;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    gap: 30px;
}

.footer-col { flex: 1; min-width: 200px; }
.footer-col h4 { font-size: 18px; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px;}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; font-size: 14px; color: #d1f2eb;}
.footer-col ul li a { color: #d1f2eb; text-decoration: none; transition: 0.3s; }
.footer-col ul li a:hover { color: #fff; padding-left: 5px; }

.footer-bottom {
    text-align: center; margin-top: 50px; padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2); font-size: 13px;
}

/* --- RESPONSIVE TASARIM (Mobil) --- */
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 25px; height: 3px; margin: 5px auto; background-color: var(--text-dark); transition: 0.3s; }

@media (max-width: 992px) {
    .homepage-container { flex-direction: column; }
    .sidebar { width: 100%; }
    
    .hamburger { display: block; }
    .nav-links {
        position: absolute; left: -100%; top: 70px; flex-direction: column;
        background-color: #fff; width: 100%; text-align: center; transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1); gap: 0;
    }
    .nav-links.active { left: 0; }
    .dropdown-menu { position: relative; min-width: 100%; display: none; box-shadow: none; border:none;}
    .dropdown:hover .dropdown-menu { display: block; transform: none; }
}
/* Kataloğu İndir Butonu Stili */
.download-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: var(--primary-green);
    color: white !important; /* Üstteki link renklerini ezmek için */
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px; /* Oval modern görünüm */
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.download-btn:hover {
    background-color: transparent;
    color: var(--primary-green) !important;
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

/* Ürün kartı içindeki hizalamayı düzeltmek için */
.product-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding-bottom: 20px;
}