/* Header Styles */
:root {
    --primary-color: #4361ee;
    --primary-light: rgba(67, 97, 238, 0.1);
    --primary-lighter: rgba(67, 97, 238, 0.05);
    --secondary-color: #6c757d;
    --transition: all 0.3s ease;
}

/* Üst Bildirim Çubuğu */
.top-notification {
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(67, 97, 238, 0.1);
    transition: var(--transition);
}

.top-notification a {
    font-weight: 500;
}

/* Navbar */
.navbar {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05) !important;
}

/* Logo tasarımı */
.navbar-brand {
    font-size: 1.4rem;
    transition: var(--transition);
    padding: 0;
}

.navbar-brand:hover {
    transform: scale(1.02);
}

.logo-text {
    position: relative;
    letter-spacing: -0.01em;
}

.text-gradient {
    background: linear-gradient(120deg, #4f46e5, #7c3aed, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    font-weight: 700;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 10px;
    color: white;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 16px -6px rgba(79, 70, 229, 0.5);
}

.brand-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
    z-index: 1;
    animation: shine 3s infinite;
}

.brand-icon svg {
    width: 28px;
    height: 28px;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.2));
    animation: pulse 2s infinite;
}

@keyframes shine {
    0%, 100% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    10% {
        transform: scale(1.1);
    }
    20% {
        transform: scale(1);
    }
    30% {
        transform: scale(1.15);
    }
    40% {
        transform: scale(1);
    }
    100% {
        transform: scale(1);
    }
}

.navbar-brand:hover .brand-icon {
    transform: rotate(-5deg) scale(1.05);
    box-shadow: 0 8px 20px -5px rgba(79, 70, 229, 0.6);
}

/* Navbar Links - Modern ve Minimalist Tasarım */
.navbar-nav .nav-item {
    margin: 0 0.35rem;
    position: relative;
}

.navbar-nav .nav-link {
    color: #444;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    transition: var(--transition);
    border-radius: 6px;
    position: relative;
    z-index: 1;
}

/* Hover efekti için yeni tasarım - Alt çizgi yerine */
.navbar-nav .nav-link:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--primary-lighter);
    border-radius: 6px;
    transform: scale(0.7);
    opacity: 0;
    z-index: -1;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.navbar-nav .nav-link:hover:before,
.navbar-nav .nav-link.active:before {
    transform: scale(1);
    opacity: 1;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

/* Active durumda noktalı gösterge */
.navbar-nav .nav-link.active:after {
    content: '';
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--primary-color);
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
}

/* CTA Button */
.navbar .btn-primary {
    padding: 0.5rem 1.25rem;
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.15);
    transition: var(--transition);
    font-weight: 500;
    letter-spacing: 0.01em;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.navbar .btn-primary:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.2), rgba(255,255,255,0));
    z-index: -1;
    transition: left 0.6s ease;
}

.navbar .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.25);
    background: linear-gradient(135deg, #4338ca, #7c3aed);
}

.navbar .btn-primary:hover:before {
    left: 100%;
}

/* Hamburger Toggle Button */
.navbar-toggler {
    padding: 0.25rem;
    border: none;
    transition: var(--transition);
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    .navbar-nav {
        padding: 1rem 0;
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.6rem 1rem;
    }
    
    .navbar-nav .nav-link.active:after {
        left: 10px;
        bottom: 50%;
        transform: translateY(50%);
    }
    
    .navbar .btn-primary {
        width: 100%;
        margin-top: 0.5rem;
    }
}

/* Icon Position Fix */
.bi {
    vertical-align: -0.125em;
}