:root {
    --primary: #D32F2F; 
    --dark: #0f1115;
    --gray: #f4f5f7;
}

body { font-family: 'Barlow', sans-serif; color: #555; background: #fff; overflow-x: hidden; }
h1, h2, h3, h4, h5, .btn { font-family: 'Oswald', sans-serif; text-transform: uppercase; letter-spacing: 1px; }

/* --- TOP BAR --- */
.top-header { 
    background: var(--dark); 
    color: #fff; 
    padding: 10px 0; 
    font-size: 0.85rem; 
    position: relative; 
    z-index: 1002; 
}

/* --- NAVBAR (KALICI BUZLU CAM) --- */
.navbar { 
    background: rgba(255, 255, 255, 0.5); 
    backdrop-filter: blur(15px); 
    -webkit-backdrop-filter: blur(15px);
    padding: 15px 0; 
    position: absolute; 
    width: 100%;
    top: 40px; 
    z-index: 1000;
    transition: all 0.4s ease-in-out;
    border-bottom: 1px solid rgba(255,255,255,0.4); 
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    position: fixed;
    top: 0;
    background: rgba(255, 255, 255, 0.5);
    padding: 10px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.navbar-brand img { max-height: 90px; transition: 0.3s; }
.navbar.scrolled .navbar-brand img { max-height: 80px; }

.nav-link { 
    color: #222 !important; 
    font-weight: 700; 
    margin: 0 15px; 
    font-size: 15px; 
    transition: 0.3s;
}
.nav-link:hover { color: var(--primary) !important; }

/* --- HERO SECTION --- */
.hero p {
    color: #ffffff;       /* Yazıyı bembeyaz yapar */
    font-size: 1.2rem;    /* Yazıyı biraz büyütür, daha rahat okunur */
    max-width: 600px;     /* Çok yayılmasın, derli toplu dursun */
    margin-bottom: 30px;  /* Altındaki butonla mesafe koyar */
    opacity: 0.9;         /* Çok hafif şeffaflık (göz yormaz) */
}

.hero {
    height: 100vh;
    background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-text { border-left: 5px solid var(--primary); padding-left: 40px; }
.hero h1 { font-size: 4.5rem; color: #fff; font-weight: 700; line-height: 1.1; margin-bottom: 20px; }
.btn-milla { background: var(--primary); color: #fff; padding: 15px 40px; border-radius: 0; border: none; transition: 0.3s; font-weight: 600; }
.btn-milla:hover { background: #b71c1c; transform: translateY(-3px); color: #fff; }

/* --- İSTATİSTİKLER --- */
.stats-bar { background: var(--primary); color: #fff; padding: 60px 0; margin-top: -60px; position: relative; z-index: 10; }
.stat-item h3 { font-size: 3rem; margin: 0; }

/* --- HAKKIMIZDA --- */
.about-img-wrap { position: relative; padding: 20px; }
.about-img-wrap::before { content:''; position: absolute; top:0; left:0; width: 100px; height: 100px; border-top: 5px solid var(--primary); border-left: 5px solid var(--primary); }
.about-img-wrap::after { content:''; position: absolute; bottom:0; right:0; width: 100px; height: 100px; border-bottom: 5px solid var(--primary); border-right: 5px solid var(--primary); }

/* --- HİZMET KUTULARI --- */
.service-box { background: #fff; padding: 40px 30px; border: 1px solid #eee; transition: 0.4s; height: 100%; position: relative; overflow: hidden; }
.service-box:hover { background: var(--dark); color: #fff; transform: translateY(-10px); border-color: var(--dark); }
.service-box i { font-size: 40px; color: var(--primary); margin-bottom: 25px; transition: 0.4s; }
.service-box:hover i { color: #fff; }
.service-box h4 { font-size: 1.2rem; margin-bottom: 15px; }
.service-box p { color: #777; font-size: 0.95rem; line-height: 1.6; transition: 0.4s; }
.service-box:hover p { color: #aaa; }

/* --- PORTFOLYO --- */
.portfolio-item { position: relative; overflow: hidden; margin-bottom: 30px; }
.portfolio-overlay { 
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(15, 17, 21, 0.9); 
    display: flex; flex-direction: column; justify-content: center; align-items: center; 
    opacity: 0; transition: 0.4s;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }

/* --- FOOTER --- */
footer { background: var(--dark); color: #fff; padding: 80px 0 30px; }
footer h4 { color: #fff; margin-bottom: 25px; position: relative; padding-bottom: 15px; font-size: 1.2rem; }
footer h4::after { content:''; position: absolute; bottom:0; left:0; width: 40px; height: 3px; background: var(--primary); }
footer ul li { margin-bottom: 12px; }
footer a { color: #aaa; text-decoration: none; transition: 0.3s; }
footer a:hover { color: var(--primary); padding-left: 5px; }

/* Mobil Ayarlar */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-text { padding-left: 20px; border-width: 3px; }
    .stats-bar { padding: 30px 0; margin-top: 0; }
    .stat-item { margin-bottom: 20px; }
}

/* Mobil Düzenlemeler */
@media (max-width: 768px) {
    /* Topbar artık ince olduğu için menüyü çok itmeye gerek yok */
    .navbar {
        top: 45px; /* Standart boşluk yeterli */
    }
    
    .top-header {
        padding: 8px 0; /* Mobilde biraz daha ince olsun */
    }
}