/* 1. TEMEL VE DARK MODE AYARLARI */
:root { --dark-green: #00592D; --gold: #FFC107; --white: #FFFFFF; --transition: all 0.3s ease; }

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Montserrat', sans-serif; background-color: #f4f4f4; transition: background 0.4s; overflow-x: hidden; }

body.dark-mode { background-color: #121212 !important; color: white !important; }
body.dark-mode .header, body.dark-mode .footer { background-color: #0a0a0a !important; border-bottom: 1px solid #333; }
body.dark-mode main, body.dark-mode .hero, body.dark-mode .innovations { background-color: #121212 !important; }
body.dark-mode .card { background: #1e1e1e !important; color: white; border-color: #333; }

/* 2. HEADER & NAV */
.header { background: var(--dark-green); padding: 1rem 5%; position: sticky; top: 0; z-index: 1000; }
.header-content { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.nav-menu { display: flex; list-style: none; gap: 15px; align-items: center; }
.nav-link { color: white !important; text-decoration: none; font-weight: bold; font-size: 0.85rem; }
.nav-icon { font-size: 1.2rem; cursor: pointer; background: rgba(255, 255, 255, 0.1); width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: 50%; text-decoration: none; transition: var(--transition); }
.nav-icon:hover { background: var(--gold); transform: translateY(-3px); }

/* 3. HERO (Amblem ve Karşılama) */
.hero { padding: 6rem 10%; background: #f9f9f9; display: flex; align-items: center; justify-content: center; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; max-width: 1200px; }
.hero-title { font-size: 3rem; color: var(--dark-green); margin-bottom: 1rem; }
.floating-element svg { filter: drop-shadow(0 10px 15px rgba(0,0,0,0.1)); }

/* 4. SEKMELER / KARTLAR (3'lü Yan Yana Yapı) */
.innovations { padding: 5rem 10%; text-align: center; background: white; }
body.dark-mode .innovations { background: #121212; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 3rem; }
.card { padding: 20px; background: #fff; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-top: 6px solid var(--gold); transition: var(--transition); }
.card:hover { transform: translateY(-10px); }
.card-image img { width: 100%; height: 200px; object-fit: cover; border-radius: 12px; margin-bottom: 15px; }

/* 5. FORM VE MODAL */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); backdrop-filter: blur(8px); }
.modal-content { background: white; margin: 5% auto; padding: 35px; border-radius: 25px; width: 90%; max-width: 450px; position: relative; border-top: 8px solid var(--gold); }
.form-group { margin-bottom: 15px; display: flex; flex-direction: column; text-align: left; }
.form-group label { font-weight: bold; margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea { padding: 12px; border: 1px solid #ddd; border-radius: 10px; width: 100%; }
.btn-primary { background: var(--dark-green) !important; color: white !important; padding: 15px; border-radius: 50px; border: none; font-weight: bold; cursor: pointer; text-align: center; text-decoration: none; display: block; }
.hero-buttons { display: flex; flex-direction: column; gap: 15px; align-items: flex-start; margin-top: 2rem; }
.footer { background: var(--dark-green); color: white; padding: 2rem; text-align: center; }
.close-btn { position: absolute; right: 20px; top: 15px; font-size: 28px; cursor: pointer; }
/* Kartların Tıklanabilir Alanını Sabitle */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    pointer-events: auto; /* Tıklama olaylarını aktifleştirir */
}

.card-link {
    display: block;
    text-decoration: none;
    z-index: 5; /* Kartı ön plana çıkarır */
    cursor: pointer;
}

.card {
    pointer-events: none; /* İçindeki öğelerin linki engellemesini önler */
    transition: var(--transition);
}

.card-link:hover .card {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}