/* ==========================================================================
   GLOBAL DEĞİŞKENLER & RENK PALETİ
   ========================================================================== */
:root {
    --logo-blue: #0f68b3;      
    --logo-orange: #f2721c;    
    --logo-sky: #299bf5;       
    --navy-dark: #0a2540;      
    --text-slate: #475569;
    --border-light: #e2e8f0;
    --soft-white: #ffffff;
    --bg-light: #f8fafc;
}

/* ==========================================================================
   SAYFA SIFIRLAMA (RESET) & GENEL AYARLAR
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    box-shadow: none;
}

body {
    background-color: var(--bg-light);
    color: var(--text-slate);
    line-height: 1.5;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   TOP BAR (EN ÜST İLETİŞİM ŞERİDİ)
   ========================================================================== */
.top-bar { 
    background-color: var(--navy-dark); 
    color: #94a3b8; 
    font-size: 12px; 
    padding: 10px 0; 
    border-bottom: 1px solid rgba(255,255,255,0.05); 
}
.top-bar-content { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
}
.tb-left { 
    display: flex; 
    gap: 20px; 
}
.tb-left span i { 
    margin-right: 5px; 
    color: var(--logo-sky); 
}
.tursab-badge { 
    background: rgba(255,255,255,0.1); 
    padding: 2px 8px; 
    border-radius: 4px; 
    font-weight: 600; 
    color: #fff; 
}
.tursab-badge i { 
    color: #ffd700 !important; 
}
.tb-right a { 
    color: #94a3b8; 
    text-decoration: none; 
    margin-left: 15px; 
}
.tb-right a:hover { 
    color: #fff; 
}

/* ==========================================================================
   🚨 YENİ MOBİL UYUMLU ANA HEADER (NAVİGASYON BAR)
   ========================================================================== */
.main-header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Mobilde taşarsa elemanları alt satıra atar */
    gap: 15px;
}

/* Logo Düzeni */
.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    min-width: 180px;
}
.logo-area img {
    height: 42px;
    width: auto;
}
.logo-text-group {
    display: flex;
    flex-direction: column;
}
.logo-text-group h1 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: var(--navy-dark);
    letter-spacing: 0.5px;
    line-height: 1.2;
}
.logo-text-group span {
    font-size: 10px;
    color: #64748b;
    font-weight: 500;
}

/* Menü Linkleri */
.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}
.nav-links a {
    text-decoration: none;
    color: var(--navy-dark);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--logo-orange);
}

/* Sağdaki Giriş & Destek Butonları */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn-support {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--text-slate);
    font-size: 13px;
    font-weight: 600;
}
.btn-login {
    background-color: var(--navy-dark);
    color: #fff;
    text-decoration: none;
    padding: 9px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    transition: background-color 0.2s;
}
.btn-login:hover {
    background-color: var(--logo-blue);
}

/* ==========================================================================
   ORTAK SİTE FOOTER (ALT BİLGİ ALANI)
   ========================================================================== */
footer {
    background-color: var(--navy-dark);
    color: #94a3b8;
    padding: 60px 0 30px 0;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 40px;
}
.footer-brand h2 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 15px;
}
.footer-brand p {
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 20px;
}
.tursab-digital-card img {
    height: 50px;
}
.footer-links-col h3 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 20px;
}
.footer-links-col ul {
    list-style: none;
}
.footer-links-col ul li {
    margin-bottom: 12px;
}
.footer-links-col a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}
.footer-links-col a:hover {
    color: #fff;
}
.contact-info-p {
    font-size: 13px;
    margin-bottom: 12px;
    line-height: 1.4;
}
.contact-info-p i {
    color: var(--logo-orange);
    margin-right: 8px;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    font-size: 12px;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}
.payment-badges-row {
    font-size: 22px;
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ==========================================================================
   🚨 TÜM ORTAK ALANLAR İÇİN MOBİL RESPONSIVE AYARLARI (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    /* Top Bar Mobilde Gizleme/Küçültme */
    .top-bar-content {
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
    .tb-left {
        flex-direction: column;
        gap: 5px;
    }

    /* Header Mobilde Temiz Tek Satır */
    .main-header {
        padding: 8px 0;
    }
    .header-content {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
    }
    .nav-links {
        display: none !important;
    }
    .header-actions {
        width: auto;
        justify-content: flex-end;
    }

    /* Footer Mobilde Tek Sütuna Dönüşür */
    .footer-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}