/* Temel Ayarlar */
:root {
    --primary-color: #0056b3; /* Kurumsal Güven Mavisi */
    --accent-color: #ff6b00;  /* Dikkat Çekici Turuncu (Butonlar için) */
    --text-color: #333;
    --light-bg: #f4f6f8;
}

body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a { text-decoration: none; }

/* Header */
header {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.logo-accent {
    color: #333;
}

.nav-btn {
    color: var(--primary-color);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    padding: 8px 20px;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 86, 179, 0.8)), url('https://images.unsplash.com/photo-1556740758-90de374c12ad?auto=format&fit=crop&w=1920&q=80'); /* Arka plana hafif bir market görseli hissi */
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 700;
    transition: transform 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
    margin-left: 15px;
}

.btn-large {
    font-size: 1.2rem;
    padding: 18px 40px;
}

/* Özellikler */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background: var(--light-bg);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: 0.3s;
}

.feature-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* CTA Bölümü */
.cta-section {
    background-color: #f8f9fa;
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid #eee;
}

/* Footer */
footer {
    background-color: #222;
    color: #888;
    padding: 40px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-note {
    font-size: 0.8rem;
    margin-top: 10px;
    opacity: 0.5;
}

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .btn { display: block; width: 80%; margin: 10px auto; }
    .btn-secondary { margin-left: auto; }
}

/* Teknik Özellikler Tablosu */
.specs-section {
    padding: 60px 0;
    background-color: #fff;
}

.table-responsive {
    overflow-x: auto;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-radius: 8px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.specs-table th, 
.specs-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.specs-table th {
    background-color: #f8f9fa;
    color: var(--primary-color);
    width: 40%;
    font-weight: 600;
}

.specs-table tr:last-child td, 
.specs-table tr:last-child th {
    border-bottom: none;
}

.specs-table tr:hover {
    background-color: #fafafa;
}

/* Mobilde Tablo Görünümü */
@media (max-width: 600px) {
    .specs-table th, .specs-table td {
        display: block;
        width: 100%;
    }
    .specs-table th {
        background-color: var(--primary-color);
        color: #fff;
    }
}

/* Teknik Özellikler Tablosu Stilleri */
.specs-section {
    padding: 60px 0;
    background-color: #fff;
}

.table-responsive {
    overflow-x: auto;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-radius: 8px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.specs-table th, 
.specs-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.specs-table th {
    background-color: #f8f9fa;
    color: var(--primary-color);
    width: 40%;
    font-weight: 600;
}

.specs-table tr:last-child td, 
.specs-table tr:last-child th {
    border-bottom: none;
}

/* Mobilde Tablo Görünümü */
@media (max-width: 600px) {
    .specs-table th, .specs-table td {
        display: block;
        width: 100%;
    }
    .specs-table th {
        background-color: var(--primary-color);
        color: #fff;
    }
}