/* Kale Çelik Kapı - Ana Theme CSS */

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

/* Ana Layout */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #c41e3a, #a01628);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Utilities */
.rounded-lg {
    border-radius: 12px !important;
}

.shadow-lg {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12) !important;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Header Border Effects */
.header-border-top,
.header-border-bottom {
    position: fixed;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #b80211 0%, #f93f48 50%, #b80211 100%);
    box-shadow: 0 0 10px rgba(242, 39, 70, 0.6);
    overflow: hidden;
    transition: opacity 0.2s ease, z-index 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
    visibility: visible;
}

.header-border-top {
    top: 0;
    left: 0;
    z-index: 1051;
}

.header-border-bottom {
    top: 70px;
    left: 0;
    z-index: 1051;
}

.header-border-top::before,
.header-border-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 30%,
        rgba(255, 255, 255, 0.9) 50%,
        rgba(255, 255, 255, 0.6) 70%,
        transparent 100%
    );
    animation: slideLight 4s ease-in-out infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar-nav {
        text-align: center;
    }

    .card {
        margin-bottom: 1rem;
    }

    .header-border-top,
    .header-border-bottom {
        height: 2px;
        box-shadow: 0 0 10px rgba(251, 191, 36, 0.6);
    }
}

/* Mobil Header Border Düzeltmesi */
@media (max-width: 991.98px) {
    .header-border-bottom {
        top: 62px !important;
    }
}

@media (max-width: 480px) {
    .header-border-bottom {
        top: 57px !important;
    }
}