/* --- Urban Botanica Değişkenleri --- */
:root {
    /* Renk Paleti: Beton ve Yaprak */
    --urban-dark: #212529;      /* Koyu Antrasit (Endüstriyel) */
    --urban-grey: #495057;      /* Beton Grisi */
    --botanic-green: #00b894;   /* Canlı Neon/Yaprak Yeşili */
    --botanic-dark: #006266;    /* Derin Yeşil */
    --text-light: #f8f9fa;      /* Kırık Beyaz */
    --text-muted: #ced4da;
    
    /* Tipografi */
    --font-head: 'Oswald', sans-serif; /* Güçlü, Dikey, Endüstriyel */
    --font-body: 'Roboto', sans-serif; /* Okunaklı, Modern */
    
    --max-width: 1200px;
    --radius: 4px; /* Keskin köşeler (Urban hissi için) */
}

/* --- Fontlar --- */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;700&family=Roboto:wght@300;400;700&display=swap');

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

body {
    background-color: var(--urban-dark);
    color: var(--text-light);
    font-family: var(--font-body);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; height: auto; display: block; border-radius: var(--radius); filter: contrast(1.1); }

/* --- Tipografi --- */
h1, h2, h3 {
    font-family: var(--font-head);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; line-height: 1.1; color: var(--text-light); }
h2 { font-size: 2.5rem; color: var(--botanic-green); position: relative; padding-bottom: 10px; }

/* Başlık altı dekoru */
h2::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 60px; height: 4px;
    background-color: var(--text-light);
}

p { margin-bottom: 1.5rem; color: var(--text-muted); font-weight: 300; }

/* --- Header --- */
header {
    background-color: rgba(33, 37, 41, 0.95);
    border-bottom: 2px solid var(--botanic-green);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo span { color: var(--botanic-green); }

.nav-links { display: flex; gap: 30px; }

.nav-links a {
    font-weight: 700;
    color: var(--text-light);
    font-family: var(--font-head);
    letter-spacing: 1px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--botanic-green);
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

/* Mobil Menü */
.burger { display: none; cursor: pointer; }
.burger div { width: 30px; height: 3px; background-color: var(--botanic-green); margin: 6px; }

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 80px 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

/* --- Bileşenler --- */
.btn {
    display: inline-block;
    padding: 12px 35px;
    background-color: var(--botanic-green);
    color: var(--urban-dark);
    font-family: var(--font-head);
    font-weight: 700;
    text-transform: uppercase;
    border: 2px solid var(--botanic-green);
    border-radius: 0; /* Köşeli buton */
    cursor: pointer;
}

.btn:hover {
    background-color: transparent;
    color: var(--botanic-green);
}

.card {
    background-color: var(--urban-grey);
    padding: 30px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
    border-left: 4px solid var(--botanic-green);
}

.card:hover { transform: translateY(-10px); background-color: #525a63; }

.icon-box svg {
    width: 50px; height: 50px;
    fill: var(--botanic-green);
    margin-bottom: 20px;
}

/* --- Hero Section --- */
.hero {
    height: 80vh;
    /* Pexels: Urban Farming / Greenhouse */
    background: linear-gradient(rgba(33, 37, 41, 0.7), rgba(33, 37, 41, 0.7)), url('https://images.pexels.com/photos/1105018/pexels-photo-1105018.jpeg?auto=compress&cs=tinysrgb&w=1920');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

/* --- Formlar --- */
.form-group { margin-bottom: 20px; }
label { display: block; margin-bottom: 8px; color: var(--botanic-green); font-family: var(--font-head); }
input, textarea, select {
    width: 100%;
    padding: 15px;
    background-color: var(--urban-grey);
    border: 1px solid #5a6268;
    color: var(--text-light);
    font-family: var(--font-body);
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--botanic-green);
}

/* --- Footer --- */
footer {
    background-color: #1a1d20;
    padding: 60px 0 20px;
    margin-top: auto;
    border-top: 1px solid var(--urban-grey);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-col h4 { color: var(--botanic-green); margin-bottom: 20px; }
.footer-col a { display: block; margin-bottom: 10px; color: var(--text-muted); }
.footer-col a:hover { color: var(--text-light); }

.german-phone {
    font-weight: bold;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--urban-grey);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Mobil Uyumluluk --- */
@media (max-width: 768px) {
    .nav-links {
        position: absolute; top: 70px; right: 0;
        height: 100vh; width: 100%;
        background-color: var(--urban-dark);
        flex-direction: column; align-items: center; justify-content: center;
        transform: translateX(100%); transition: 0.3s ease;
        border-top: 1px solid var(--botanic-green);
    }
    .nav-links.active { transform: translateX(0); }
    .burger { display: block; }
    
    .grid-2 { grid-template-columns: 1fr; }
    h1 { font-size: 2.5rem; }
    .footer-content { flex-direction: column; text-align: center; }
    .german-phone { justify-content: center; }
}