/* Reset ve Genel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Duyuru Kısmı */
.announcement {
    background-color: #ff4444;
    color: white;
    text-align: center;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.announcement p {
    font-size: 36px;
    font-weight: bold;
    margin: 0;
}

/* Header */
header {
    background-color: #2c3e50;
    position: relative;
    z-index: 999;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: #3498db;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3498db;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Ana Sayfa */
.hero {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    text-align: center;
    padding: 100px 0;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Hakkımızda */
.about {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.company-info {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.company-info h3 {
    color: #3498db;
    margin-bottom: 1rem;
}

.company-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* İletişim */
.contact {
    padding: 80px 0;
    background-color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid #3498db;
}

.contact-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-item p {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .announcement p {
        font-size: 24px;
        padding: 0 10px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 140px;
        flex-direction: column;
        background-color: #2c3e50;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero h2 {
        font-size: 2rem;
    }

    .about h2, .contact h2 {
        font-size: 2rem;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}