/* 1. Genel Font ve Renk Değişkenleri */
:root {
    --primary-color: #0072ff;    /* Canlı Neon Mavi */
    --secondary-color: #00c6ff;  /* Açık Mavi */
    --dark-bg: #0f172a;         /* Modern Koyu Arka Plan (Slate) */
    --light-bg: #f8fafc;        /* Yumuşak Açık Arka Plan */
    --text-dark: #1e293b;       /* Koyu Kırmızımsı Gri Metin */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    scroll-behavior: smooth; /* Sayfa içi link geçişlerini yumuşatır */
    background-color: #ffffff;
}

/* 2. Navbar Tasarımı */
.navbar {
    background-color: rgba(15, 23, 42, 0.95) !important; /* Hafif şeffaf koyu arka plan */
    backdrop-filter: blur(10px); /* Arkadaki içeriği buzlu cam yapar (Glassmorphism) */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
}

.navbar-brand {
    font-size: 1.4rem;
    letter-spacing: 1px;
}

/* Menü linklerinin renk geçişleri */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--secondary-color) !important;
}

/* 3. Hero Section (Giriş Alanı Gradiyenti ve Animasyonu) */
.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
    padding: 140px 0;
}

/* Arka plana teknolojik parlama efekti */
.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(0, 114, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

/* !important kullanarak Bootstrap'in h1 renklerini ezdik */
.hero-section h1 {
    font-size: 3.5rem !important;
    line-height: 1.2 !important;
    background: linear-gradient(to right, #ffffff, #00c6ff) !important;
    display: inline-block;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* Havada Süzülme Animasyonu */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* 4. Hizmet Kartları (Hover Efektleri) */
.service-card {
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    border-radius: 12px;
    background: #ffffff;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 114, 255, 0.1);
    border-color: rgba(0, 114, 255, 0.2) !important;
}

.service-card .icon-box {
    width: 65px;
    height: 65px;
    background: rgba(0, 114, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.service-card:hover .icon-box {
    background: var(--primary-color);
    color: #fff !important;
}

/* 5. Proje Kartları (Portfolyo) */
.project-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.03) !important;
    background: #ffffff;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08) !important;
}

/* 6. Form ve Buton Güzelleştirmeleri */
.form-control {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 114, 255, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* 7. Footer */
footer {
    background-color: #090d16 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}