/* Genel Ayarlar ve Font */
:root {
    --color-primary: #d20a11; /* Kırmızı */
    --color-dark: #1d1d1b; /* Siyah/Füme */
    --color-light: #f8f8f8; /* Açık Gri */
    --color-white: #ffffff; /* Beyaz */
    --color-whatsapp: #25D366; /* WhatsApp Yeşil */
    --font-family: 'Open Sans', sans-serif;
}

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

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

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

.section-padding {
    padding: 60px 0;
}

h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-dark);
    font-weight: 700;
}

/* --- Header ve Navigasyon --- */
header {
    background-color: var(--color-light);
    border-bottom: 2px solid var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 10px 0;
}

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

.nav-menu {
    display: flex; 
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--color-dark);
    font-weight: 600;
    margin-left: 20px;
    padding: 5px 10px;
    transition: color 0.3s, background-color 0.3s;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

/* Header WhatsApp Butonu */
.whatsapp-btn-nav {
    background-color: var(--color-whatsapp); 
    color: var(--color-white) !important;
    padding: 8px 15px;
    border-radius: 5px;
    margin-left: 30px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.whatsapp-btn-nav:hover {
    background-color: #1DA851; 
}
/* Font Awesome İkonu Ayarı */
.whatsapp-btn-nav .fa-whatsapp, .whatsapp-btn .fa-whatsapp {
    font-size: 1.2rem;
}


/* --- Ürünler Bölümü --- */
.product-grid {
    display: grid;
    /* Desktop: 4 sütun */
    grid-template-columns: repeat(4, 1fr); 
    gap: 30px;
}

.product-card {
    background-color: var(--color-white);
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.product-img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 4px;
    margin-bottom: 15px;
}

.product-card h3 {
    color: var(--color-dark);
    margin-bottom: 10px;
    font-size: 1.3rem;
    min-height: 40px; 
}

.price-start {
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

/* Butonları alt alta getirmek için */
.card-actions {
    display: flex;
    flex-direction: column; /* Desktop'ta bile alt alta */
    gap: 10px;
    margin-top: 15px;
}

.whatsapp-btn, .details-btn {
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    flex-grow: 1;
    white-space: nowrap; 
    display: flex; 
    align-items: center;
    justify-content: center;
    text-align: center;
    border: none;
}

.whatsapp-btn {
    background-color: var(--color-whatsapp); 
    color: var(--color-white);
}

.whatsapp-btn i {
    margin-right: 8px; 
}

.whatsapp-btn:hover {
    background-color: #1DA851;
}

.details-btn {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.details-btn:hover {
    background-color: #555;
}

/* --- Örnek Çalışmalar Bölümü --- */
.calismalar-section {
    background-color: var(--color-light);
}
.gallery-grid {
    display: grid;
    /* Mobil 2, Tablet 3, Desktop 4 sütun */
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}
.gallery-img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}
.gallery-img:hover {
    transform: scale(1.05);
}


/* --- İletişim Bölümü --- */
.contact-section {
    background-color: var(--color-white);
    border-top: 1px solid #ddd;
    text-align: center;
}

.contact-info p {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.contact-info a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.contact-info a:hover {
    text-decoration: underline;
}

.social-links {
    margin-top: 20px;
}


/* --- Footer --- */
footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    text-align: center;
    padding: 20px 0;
}

.footer-brands {
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #444;
}

.brand-links {
    margin-top: 10px;
}

.brand-links a {
    color: var(--color-light);
    text-decoration: none;
    margin: 0 5px;
}

.brand-links a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* --- POPUP (Modal) --- */
.modal {
    display: none; 
    position: fixed;
    z-index: 1001; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6); 
}

.modal-content {
    background-color: var(--color-white);
    margin: 10% auto; 
    padding: 30px;
    border: 1px solid #888;
    width: 90%; 
    max-width: 500px;
    border-radius: 8px;
    position: relative;
    animation: fadeIn 0.3s;
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--color-primary);
    text-decoration: none;
    cursor: pointer;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.price-table th, .price-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: left;
}

.price-table th {
    background-color: var(--color-light);
    color: var(--color-dark);
    font-weight: 700;
}

.modal-whatsapp-btn {
    display: flex;
    margin-top: 25px;
    background-color: var(--color-whatsapp);
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

/* --- MOBİL UYUMLULUK (HEADER) --- */
.menu-toggle {
    display: none; 
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-dark);
}

@media (max-width: 767px) {
    /* Header/Navigasyon */
    .header-content {
        padding: 5px 0;
    }
    
    .menu-toggle {
        display: block; 
    }
    
    .menu-toggle .fa-bars { /* Font Awesome hamburger ikonu */
        font-size: 1.5rem;
    }

    .nav-menu {
        display: none; 
        flex-direction: column;
        width: 100%;
        background-color: var(--color-light);
        position: absolute;
        top: 60px; 
        left: 0;
        border-top: 1px solid #ddd;
        padding-bottom: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.is-open {
        display: flex; 
    }

    .nav-menu a {
        margin: 5px 20px;
        text-align: left;
        padding: 10px 15px;
        border-bottom: 1px solid #eee;
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }

    .whatsapp-btn-nav {
        margin: 10px 20px 0 20px;
        text-align: center;
        width: auto;
        justify-content: center;
    }

    /* Ürün Grid Mobil Düzeni */
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    }

    /* Galeri Grid Mobil Düzeni */
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .footer-brands .brand-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px 10px;
    }
}

/* Tablet ve Orta Desktop Boyutları İçin Ek Grid Ayarı */
@media (min-width: 768px) and (max-width: 1199px) {
    .product-grid {
        /* Tablette 3 sütun daha iyi sığabilir */
        grid-template-columns: repeat(3, 1fr); 
    }
}

.ust-baslik-vurgu {
    font-size: 1em; /* Normal yazı boyutunda veya biraz küçük */
    color: #555; /* Daha silik bir renk */
    margin-bottom: 5px; /* Başlığa biraz boşluk bırakır */
    text-align: center; /* Başlığı ortalamak istiyorsanız */
}

.container h2 .vurgu-metni {
    display: block; /* Yeni bir satırda görünmesini sağlar */
    font-size: 0.6em; /* Ana başlıktan çok daha küçük */
    font-weight: normal; /* Daha az kalın */
    color: #007bff; /* Vurgu rengi */
    margin-bottom: 5px;
}