:root {
    /* Ana Renkler */
    --primary: #4299E1;
    --secondary: #34B289;
    --accent: #F5A623;
    
    /* Zemin ve Arka Plan */
    --bg-main: #F9FAFC;
    --bg-secondary: #F0F2F7;
    --bg-tertiary: #FFFFFF;
    --bg-dark: #1F2837;
    
    /* Tipografi */
    --text-heading: #1A2233;
    --text-subheading: #384259;
    --text-body: #4A5568;
    --text-secondary: #718096;
    --text-muted: #A0AEC0;
    --text-light: #E2E8F0;
    --text-link: #3451B2;
    --text-link-hover: #2A4090;
    
    /* Butonlar */
    --btn-primary: #3451B2;
    --btn-primary-hover: #2A4090;
    --btn-primary-active: #1E3179;
    --btn-secondary: #EDF2F7;
    --btn-secondary-text: #384259;
    --btn-secondary-hover: #E2E8F0;
    
    /* Durum ve Bildirim */
    --success: #34B289;
    --success-bg: #E3F9F3;
    --warning: #F5A623;
    --warning-bg: #FDF6EA;
    --error: #E53E3E;
    --error-bg: #FEF1F1;
    --info: #3d9ae6;
    --info-bg: #EBF8FF;
    
    /* Kenarlıklar */
    --border: #E2E8F0;
    --border-emphasized: #CBD5E0;
    --divider: #EDF2F7;
    --focus-border: #3451B2;
    --input-border: #CBD5E0;
    
    /* Formlar */
    --input-bg: #FFFFFF;
    --input-disabled: #EDF2F7;
    --placeholder: #A0AEC0;
    
    /* Modal */
    --modal-bg: #FFFFFF;
    --modal-shadow: rgba(0, 0, 0, 0.1);
    --modal-overlay: rgba(26, 32, 44, 0.4);
    
    /* Tablolar */
    --table-header-bg: #F7FAFC;
    --table-divider: #EDF2F7;
    --table-alt-row: #F9FAFC;
    --table-hover: #F0F5FF;
    --table-selected: #EBF4FF;
    
    /* Navigasyon */
    --nav-bg: #FFFFFF;
    --nav-hover: #EDF2F7;
    
    /* Kartlar */
    --card-bg: #FFFFFF;
    --card-shadow: rgba(0, 0, 0, 0.05);
    
    /* Tooltip */
    --tooltip-bg: #2D3748;
    --tooltip-text: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-body);
    background-color: var(--bg-main);
    overflow-x: hidden;
    user-select: none;
}


/* Header & Navigation */
.header {
    background-color: var(--bg-tertiary);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 35px;
}
.logo a{
    display: flex;
    flex-direction: row;
}

.testimg {
    width: 50px;
    height: auto;
    display: block;
    max-width: 100%;
}
.logo_text{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-family: "Orbitron", sans-serif !important;
    font-weight: 500;
    color: var(--bg-dark);
}
.main_logo_txt{    
    font-size: 20px;
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    font-family: "Orbitron", sans-serif !important;
}
.second_logo_txt{
    font-size: 10px;
    font-family: "Orbitron", sans-serif !important;
}


.nav-menu {
    display: flex;
    align-items: center;
}

.nav-menu li {
    margin: 0 15px;
}

.nav-link {
    color: var(--text-subheading);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--btn-primary);
}


.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-heading);
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: var(--text-link);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--text-link-hover);
}

p {
    margin-bottom: 1rem;
}

ul {
    list-style: none;
}
.def_img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

@media (max-width: 1124px) {
    .navbar {
        justify-content: space-around;
    }

    .logo {
        gap: 0;
        display: flex;
        align-items: center;
    }
    .logo img {
        width: 45px;
        height: 35px;
        padding-right: 10px;
        padding-top: 10px;
    }

}

@media (max-width: 780px) {
    .mobile-container {
    max-width: 100%;
    padding: 0 16px;
    margin: 0 auto;
}
/* Header */
.header {    
    background-color: var(--bg-main);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px var(--card-shadow);
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-title {
    display: flex;
    flex-direction: row;
    align-items: center; /* Bu satırı ekleyin */
}
.header-title img {
    width: 25px;
    height: 25px;
    margin-right: 10px;
    object-fit: contain;
    display: inline-block;
}

.header-title-conn{
    display: flex;
    flex-direction: column;
}

.header-title-main{    
    color: var(--bg-dark);
    font-size: 15px;
    font-weight: 600;
}
.header-title-sub{    
    color: var(--btn-secondary-text);
    font-size: 12px;
    font-weight: 500;
}

.header-actions {
    display: flex;
    gap: 8px;
}
.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 8px;
    background: var(--btn-secondary);
    color: var(--btn-secondary-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}
.icon-btn:hover {
    background: var(--btn-secondary-hover);
}
.icon-btn:active {
    transform: scale(0.95);
}

}