/* System Agent v2.0 - Hata Vermeyen Standart CSS */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #334155;
    line-height: 1.6;
}

.container {
    width: 85%;
    margin: auto;
}

/* Navigasyon Alanı */
nav {
    background: #0f172a;
    padding: 20px 0;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 2px;
}

.logo span {
    color: #00d2ff;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-size: 14px;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #00d2ff;
}

/* Hero (Giriş) Bölümü */
.hero {
    height: 60vh;
    background: linear-gradient(rgba(15,23,42,0.8), rgba(15,23,42,0.8)), 
                url('https://images.unsplash.com/photo-1485827404703-89b55fcc595e?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.btn-main {
    background: #00d2ff;
    color: #0f172a;
    padding: 15px 40px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    display: inline-block;
    transition: 0.3s;
}

/* Form Alanı */
.contact-section {
    padding: 80px 0;
}

.contact-section h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
}

.smart-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-top: 30px;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

input, textarea {
    padding: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    width: 100%;
}

input:focus, textarea:focus {
    border-color: #00d2ff;
}

button {
    background: #0f172a;
    color: white;
    padding: 18px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: 0.3s;
    width: 100%;
}

button:hover {
    background: #00d2ff;
    color: #0f172a;
}

.success {
    background: #dcfce7;
    color: #166534;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

footer {
    text-align: center;
    padding: 40px;
    background: #e2e8f0;
    font-size: 14px;
}

/* Yeni Bölüm Stilleri */
.section { padding: 100px 0; text-align: center; }
.grey-bg { background: #f1f5f9; width: 100%; }

.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
    gap: 30px; 
    margin-top: 50px; 
}

.card, .price-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
}

.card i { font-size: 40px; color: #00d2ff; margin-bottom: 20px; }
.price-card h3 { color: #0f172a; margin-bottom: 15px; }
.price-card .price { font-size: 24px; font-weight: bold; color: #00d2ff; }
.price-card ul { list-style: none; margin-top: 20px; }
.price-card ul li { padding: 10px 0; border-bottom: 1px solid #eee; }
.featured { border: 2px solid #00d2ff; transform: scale(1.05); }

/* Yumuşak Kaydırma Efekti */
html { scroll-behavior: smooth; }