/* --- DEĞİŞKENLER (Renk Paleti) --- */
:root {
    /* Cihaz Mavisi */
    --primary-color: #0066cc;
    /* Kartvizit Koyu Yeşili */
    --secondary-color: #1b3a2b;
    /* Aciliyet/Uyarı Rengi */
    --alert-color: #d32f2f;
    
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    
    --font-main: 'Roboto', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { width: 100%; display: block; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- TOP BAR --- */
.top-bar {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 10px 0;
    font-size: 0.9rem;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-phone { font-weight: bold; }

/* --- NAVBAR --- */
.navbar {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}
.logo span { color: var(--primary-color); }

.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a { font-weight: 500; color: var(--text-dark); }
.nav-links a:hover { color: var(--primary-color); }

.btn-nav {
    background: var(--primary-color);
    color: var(--white) !important;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: bold;
}
.btn-nav:hover { background: #004c99; }

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(to right, #eef2f3, #dbe6f6);
    padding: 60px 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.alert-badge {
    background: var(--alert-color);
    color: white;
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 15px;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 20px; }
.highlight { font-weight: bold; color: var(--primary-color) !important; font-size: 1.2rem; }

.btn-primary {
    background-color: #25D366; /* WhatsApp Yeşili */
    color: var(--white);
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    margin-top: 20px;
}
.btn-primary:hover { transform: translateY(-3px); }

.hero-image-box img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border: 5px solid var(--white);
}

/* --- TRUST BAR --- */
.trust-bar {
    background: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 15px 0;
    font-weight: 500;
}

/* --- SERVICES --- */
.section-services { padding: 80px 0; }
.section-title { text-align: center; font-size: 2.2rem; margin-bottom: 50px; color: var(--secondary-color); }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border-bottom: 4px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: 0.3s;
}
.card:hover { transform: translateY(-10px); }
.card .icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.card h3 { margin-bottom: 15px; color: var(--secondary-color); }

/* --- DOCS SECTION --- */
.section-docs { padding: 80px 0; background: white; }
.split { display: flex; gap: 50px; align-items: center; }
.docs-image { flex: 1; }
.docs-image img { border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.docs-content { flex: 1; }
.docs-content h2 { font-size: 2.2rem; margin-bottom: 30px; color: var(--secondary-color); }

.check-list li {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box {
    background: #e3f2fd; /* Açık Mavi */
    padding: 20px;
    border-left: 5px solid var(--primary-color);
    border-radius: 5px;
}

/* --- FOOTER --- */
footer { background: #222; color: #ccc; padding: 60px 0 20px; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand h3 { color: white; margin-bottom: 10px; }
.footer-contact h4 { color: white; margin-bottom: 20px; }
.footer-contact p { margin-bottom: 10px; }
.copyright { text-align: center; border-top: 1px solid #444; padding-top: 20px; font-size: 0.8rem; }

/* MOBİL AYARLAR */
@media (max-width: 768px) {
    .top-bar { display: none; } /* Mobilde üst barı gizle, kalabalık etmesin */
    .hero { text-align: center; padding-top: 30px; }
    .hero-content { grid-template-columns: 1fr; }
    .hero-image-box { margin-top: 30px; }
    .split { flex-direction: column; }
    .nav-links { display: none; } /* Basitlik için mobilde menü gizli */
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}