/* Google Fonts - 'Inter' (Modern, Temiz, Kurumsal) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    /* Yeni Renk Paleti: Kurumsal ve Güçlü */
    --zemin: #0f1115;       /* Çok koyu antrasit (Neredeyse siyah) */
    --kart-zemin: #181b21;  /* Bir ton açık koyu gri */
    --yazi-ana: #ffffff;
    --yazi-ikincil: #9ca3af;
    
    /* Canlı İnşaat/Boya Renkleri */
    --vurgu-kirmizi: #e11d48; /* DYO Kırmızısına yakın modern ton */
    --vurgu-turuncu: #f59e0b; /* İş güvenliği / İnşaat sarısı */
    
    --golge-yumusak: 0 10px 30px -10px rgba(0,0,0,0.5);
    --golge-sert: 0 20px 40px -10px rgba(225, 29, 72, 0.15); /* Hafif kırmızı parlama */
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--yazi-ana);
    background-color: var(--zemin);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Tipografi */
h1, h2, h3, h4, h5 {
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #fff;
}

a { text-decoration: none; transition: all 0.3s ease; }

/* Navbar - Glassmorphism (Buzlu Cam) */
.navbar {
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 1.2rem 0;
}

.navbar-brand span {
    letter-spacing: 1px;
}

.nav-link {
    color: var(--yazi-ikincil) !important;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: #fff !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--vurgu-kirmizi);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-link:hover::after { width: 100%; }

.btn-ozel {
    background: var(--vurgu-kirmizi);
    color: #fff;
    padding: 12px 30px;
    border-radius: 4px; /* Keskin hatlar kurumsallık katar */
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}

.btn-ozel:hover {
    background: transparent;
    border-color: var(--vurgu-kirmizi);
    color: var(--vurgu-kirmizi);
    box-shadow: 0 0 15px rgba(225, 29, 72, 0.4);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 85vh; /* Tam ekran etkisi */
    display: flex;
    align-items: center;
    background: #000;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(15,17,21, 0.95) 0%, rgba(15,17,21, 0.6) 60%, rgba(15,17,21, 0.2) 100%);
    z-index: 2;
}

.hero-bg-img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: 1;
    transform: scale(1.1); /* Hafif zoom efekti için */
    animation: zoomEffect 20s infinite alternate;
}

@keyframes zoomEffect {
    from { transform: scale(1.1); }
    to { transform: scale(1.2); }
}

/* Ürün Kartları - Dark Mode */
.urun-karti {
    background: var(--kart-zemin);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.4s, box-shadow 0.4s;
}

.urun-karti:hover {
    transform: translateY(-10px);
    box-shadow: var(--golge-sert);
    border-color: rgba(225, 29, 72, 0.3);
}

.urun-header {
    padding: 20px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--vurgu-kirmizi);
}

.urun-body { padding: 30px; }

.list-unstyled li {
    margin-bottom: 12px;
    color: var(--yazi-ikincil);
    display: flex;
    align-items: center;
}

.list-unstyled li i {
    color: var(--vurgu-turuncu);
    margin-right: 12px;
    background: rgba(245, 158, 11, 0.1);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 10px;
}

/* Harita Alanı */
.map-section {
    background: linear-gradient(180deg, var(--zemin) 0%, #1e2025 100%);
}

.map-card {
    background: var(--kart-zemin);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--golge-yumusak);
}

/* SVG Harita Stilleri */
#svg-turkiye path {
    fill: #2d333b; /* Koyu Gri İller */
    stroke: #181b21;
    stroke-width: 0.5;
    transition: all 0.3s ease;
}

#svg-turkiye path:hover {
    fill: #3f4652;
}

/* Özel Renklendirmeler */
.il-merkez { fill: var(--vurgu-kirmizi) !important; } /* Maraş Kırmızı */
.il-sevkiyat { fill: #334155 !important; } /* Sevkiyat yerleri gri-mavi */

/* Footer */
footer {
    background: #000;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: #6b7280;
}
footer h4, footer h5 { color: #fff; margin-bottom: 1.5rem; }