/* Sitenin Kurumsal & Elit Tasarımı */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    scroll-behavior: smooth;
    padding-top: 80px; 
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* --------------------------------------------------
   KURUMSAL RENKLER & DEĞİŞKENLER
   -------------------------------------------------- */
:root {
    --primary-color: #253182; 
    --accent-color: #1e293b;  
    --bg-overlay: rgba(15, 23, 42, 0.7); 
    --modal-bg: #ffffff;
    --border-radius-sm: 4px; 
    --border-radius-md: 8px; 
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
}

.text-primary { color: var(--primary-color); }

/* BAŞLIKLAR İÇİN KURUMSAL ÇİZGİLER */
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2, .section-title, .form-header-inside { 
    font-size: 2rem; 
    color: var(--primary-color); 
    font-weight: 800; 
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}
.heading-line {
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto 20px auto;
    border-radius: 2px;
}
.center-line { margin: 0 auto 30px auto; }

/* NAVBAR (MASAÜSTÜ) */
.navbar {
    background: #ffffff;
    padding: 15px 0;
    border-bottom: 1px solid #e2e8f0; 
    position: fixed; 
    width: 100%;
    top: 0;
    z-index: 10000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img { height: 60px; width: auto; object-fit: contain; display: block; }
.nav-menu { display: flex; list-style: none; gap: 30px; margin: 0; padding: 0; align-items: center; }
.nav-link { text-decoration: none; color: #475569; font-weight: 600; font-size: 0.95rem; transition: color 0.2s; text-transform: uppercase; letter-spacing: 0.5px; }
.nav-link:hover { color: var(--primary-color); }
.nav-actions { display: flex; align-items: center; gap: 15px; }

.nav-btn-desktop {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, transform 0.2s;
}

.nav-btn-desktop:hover { background: #1e2560; transform: translateY(-2px); }

/* MOBİL STICKY BOTTOM BAR YAPI TAŞLARI */
.mobile-bottom-bar { display: none; }

/* HERO SECTION */
.hero-section { 
    text-align: center; 
    padding: 120px 20px; 
    background-color: #ffffff;
    background-image: linear-gradient(to bottom, #f8fafc, #ffffff);
    border-bottom: 1px solid #e2e8f0; 
    margin-top: 0; 
}
.hero-content h1 { font-size: 2.8rem; line-height: 1.2; margin-bottom: 25px; color: var(--accent-color); letter-spacing: -0.5px; font-weight: 800;}
.hero-content h1 span { color: var(--primary-color); }
.hero-content p { color: #475569; max-width: 700px; margin: 0 auto 35px auto; font-size: 1.15rem; font-weight: 400; }
.hero-actions { display: flex; gap: 15px; justify-content: center; }

.btn-primary-lg { background: var(--primary-color); color: white; border: none; padding: 14px 35px; border-radius: var(--border-radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; }
.btn-primary-lg:hover { background-color: #1e2560; transform: translateY(-2px); }

.btn-whatsapp-hero { background: #25D366; color: white; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; padding: 14px 35px; border-radius: var(--border-radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; border: none; transition: all 0.2s; }
.btn-whatsapp-hero:hover { background: #1da851; transform: translateY(-2px); }

/* SERVICES GRID */
.services-section { max-width: 1200px; margin: 0 auto; padding: 80px 20px; scroll-margin-top: 60px; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }
@media (min-width: 992px) { .services-grid { grid-template-columns: repeat(4, 1fr); gap: 30px; } }

.service-card { background: white; padding: 35px 25px; border-radius: var(--border-radius-md); box-shadow: var(--shadow-soft); border: 1px solid #f1f5f9; text-align: center; display: flex; flex-direction: column; align-items: center; cursor: pointer; transition: all 0.3s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--primary-color); }
.icon-box-grid { font-size: 2rem; margin-bottom: 20px; color: var(--primary-color); background: #f8fafc; width: 65px; height: 65px; display: flex; align-items: center; justify-content: center; border-radius: var(--border-radius-md); }
.service-card h3 { margin: 0 0 12px 0; color: var(--accent-color); font-size: 1.1rem; font-weight: 700; line-height: 1.4; min-height: 44px; display: flex; align-items: center; justify-content: center; }
.service-card p { font-size: 0.9rem; color: #64748b; margin: 0; line-height: 1.6; }

/* ABOUT & CONTACT */
.about-section { background: white; padding: 100px 0; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; scroll-margin-top: 60px; }
.about-container { display: flex; flex-wrap: wrap; gap: 60px; }
.about-text { flex: 1; min-width: 300px; }
.brand-name { font-weight: 700; color: var(--primary-color); margin-bottom: 25px; display: block; font-size: 1.2rem; text-transform: uppercase; letter-spacing: 0.5px;}
.about-text p { margin-bottom: 20px; font-size: 1.05rem; color: #475569; text-align: justify; line-height: 1.8; }
.services-timeline { flex: 1; min-width: 300px; position: relative; padding-left: 20px; }
.services-timeline::before { content: ''; position: absolute; left: 45px; top: 0; bottom: 0; width: 1px; border-left: 2px dashed #cbd5e1; z-index: 0; }
.timeline-item { display: flex; align-items: flex-start; margin-bottom: 40px; position: relative; z-index: 1; }
.timeline-icon { background-color: var(--primary-color); width: 50px; height: 50px; border-radius: var(--border-radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-right: 25px; color: #fff; font-size: 1.2rem; }
.timeline-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--accent-color); margin-bottom: 10px; text-transform: uppercase; }
.timeline-content p { font-size: 0.95rem; color: #64748b; margin: 0; }

.contact-strip-section { background-color: #f8fafc; padding: 100px 20px 0 20px; scroll-margin-top: 60px; }
.contact-strip-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
.contact-strip-item { display: flex; align-items: flex-start; gap: 15px; }
.c-icon { color: var(--primary-color); background: white; border: 1px solid #e2e8f0; padding: 12px; border-radius: var(--border-radius-sm); display: flex; align-items: center; justify-content: center; min-width: 52px; height: 52px; font-size: 1.2rem; }
.c-content h3 { margin: 0 0 12px 0; font-size: 1rem; font-weight: 800; letter-spacing: 0.5px; color: var(--accent-color); text-transform: uppercase; }
.c-content p, .c-content div { margin: 0; font-size: 0.95rem; color: #475569; line-height: 1.6; }
.address-box { margin-bottom: 12px; border-bottom: 1px dashed #cbd5e1; padding-bottom: 8px; }
.address-box:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.c-content a { text-decoration: none; color: #1e293b; font-weight: 600; transition: color 0.2s; }
.c-content a:hover { color: var(--primary-color); }
.c-sub { display: block; font-size: 0.8rem; color: #94a3b8; margin-top: 5px; }

/* FORM ALANI */
.form-section { background-color: #f8fafc; padding: 60px 0 100px 0; border-bottom: 1px solid #e2e8f0; }
.form-wrapper { max-width: 800px; margin: 0 auto; background: white; padding: 50px; border-radius: var(--border-radius-md); box-shadow: var(--shadow-hover); border: 1px solid #f1f5f9; }
.contact-form { display: flex; flex-direction: column; gap: 25px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; }
.form-group label { font-size: 0.95rem; font-weight: 600; color: var(--accent-color); margin-bottom: 8px; display: block;}
.form-group input, .form-group textarea { width: 100%; padding: 14px 16px; border: 1px solid #cbd5e1; border-radius: var(--border-radius-sm); font-size: 1rem; background-color: #fcfcfc; transition: all 0.2s; outline: none; box-sizing: border-box; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary-color); background-color: #fff; box-shadow: inset 0 0 0 1px var(--primary-color); }
.form-group textarea { resize: vertical; min-height: 140px; }
.btn-submit { background: var(--primary-color); color: white; border: none; padding: 16px 40px; border-radius: var(--border-radius-sm); font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 10px; }
.btn-submit:hover { background-color: #1e2560; transform: translateY(-2px); }

/* INFO SECTION */
.info-section { background: white; padding: 80px 20px; }
.info-container { max-width: 800px; margin: 0 auto; }
.info-container h2 { text-align: center; color: var(--primary-color); margin-bottom: 40px; font-weight: 800;}
.features-list { list-style: none; padding: 0; }
.features-list li { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 20px; padding: 25px; background: #f8fafc; border: 1px solid #e2e8f0; border-radius: var(--border-radius-sm); transition: transform 0.2s ease; }
.features-list li:hover { transform: translateX(5px); border-color: var(--primary-color); }
.check-icon { color: var(--primary-color); font-size: 1.5rem; margin-top: -2px; }

/* FOOTER GÜNCEL */
.main-footer { background: #0f172a; color: #94a3b8; padding: 80px 20px 40px 20px; text-align: center; }
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 25px; }
.footer-logo img { background: #ffffff; padding: 15px 25px; border-radius: var(--border-radius-sm); box-shadow: 0 4px 15px rgba(0,0,0,0.5); }
.footer-addresses { border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); padding: 25px 0; width: 100%; max-width: 600px; }
.footer-addresses p { margin: 8px 0; color: #cbd5e1; font-size: 0.95rem; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; margin-bottom: 20px; }
.footer-links a { color: #94a3b8; text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.copyright { font-size: 0.85rem; opacity: 0.7; }
.elbado-dev-signature { font-family: 'Courier New', Courier, monospace; font-size: 12px; color: #475569; text-align: center; opacity: 0.6; transition: opacity 0.3s; margin-top: 20px; }
.elbado-dev-signature:hover { opacity: 1; }
.elbado-dev-signature a { color: #3b82f6; text-decoration: none; font-weight: bold; }

/* KDV & FAB BUTONLARI */
.kdv-fab-container { position: fixed; bottom: 25px; right: 25px; z-index: 9998; }
.kdv-fab-btn { background: var(--primary-color); color: white; border: none; width: 60px; height: 60px; border-radius: var(--border-radius-sm); box-shadow: var(--shadow-hover); cursor: pointer; transition: transform 0.2s ease; display: flex; align-items: center; justify-content: center; }
.kdv-fab-btn:hover { transform: translateY(-3px); }

.whatsapp-fab-left { position: fixed; bottom: 25px; left: 25px; z-index: 9998; background-color: #25D366; color: white; width: 60px; height: 60px; border-radius: var(--border-radius-sm); box-shadow: var(--shadow-hover); display: flex; align-items: center; justify-content: center; text-decoration: none; font-size: 2rem; transition: transform 0.2s ease; }
.whatsapp-fab-left:hover { transform: translateY(-3px); background-color: #1da851; }

#scrollTopBtn { position: fixed; bottom: 100px; right: 32px; z-index: 9990; width: 45px; height: 45px; border-radius: var(--border-radius-sm); background-color: rgba(30, 41, 59, 0.8); color: white; border: none; font-size: 1.2rem; cursor: pointer; display: none; align-items: center; justify-content: center; transition: all 0.2s ease; backdrop-filter: blur(4px); }
#scrollTopBtn:hover { background-color: var(--primary-color); transform: translateY(-3px); }

/* COOKIE BANNER */
.cookie-banner { position: fixed; bottom: 0; left: 0; width: 100%; background-color: #1e293b; color: white; z-index: 10000; padding: 15px 20px; display: none; justify-content: center; align-items: center; animation: slideUp 0.5s ease-out; }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.cookie-content { max-width: 1200px; width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.cookie-content p { margin: 0; font-size: 0.9rem; color: #cbd5e1; flex: 1; }
.cookie-content a { color: #3b82f6; text-decoration: none; font-weight: 600; border-bottom: 1px dotted #3b82f6;}
.btn-accept { background-color: var(--primary-color); color: white; border: 1px solid rgba(255,255,255,0.2); padding: 10px 25px; border-radius: var(--border-radius-sm); cursor: pointer; font-size: 0.9rem; font-weight: 600; white-space: nowrap; transition: background-color 0.2s; }
.btn-accept:hover { background-color: #ffffff; color: var(--primary-color); }

/* MODALS */
.kdv-modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-overlay); backdrop-filter: blur(5px); z-index: 9999; display: none; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s ease; }
.kdv-modal-overlay.active { display: flex; opacity: 1; }
.kdv-modal-content, .service-modal-content { background: var(--modal-bg); width: 90%; max-width: 420px; border-radius: var(--border-radius-md); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); overflow: hidden; transform: translateY(20px); transition: transform 0.3s ease; }
.service-modal-content { max-width: 650px; max-height: 80vh; display: flex; flex-direction: column; }
.kdv-modal-overlay.active .kdv-modal-content, .kdv-modal-overlay.active .service-modal-content { transform: translateY(0); }
.kdv-header { background: #f8fafc; padding: 20px 25px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #e2e8f0; }
.kdv-header h3 { margin: 0; font-size: 1.1rem; color: var(--accent-color); font-weight: 700; text-transform: uppercase;}
.kdv-close-btn { background: none; border: none; font-size: 24px; cursor: pointer; color: #64748b; transition: color 0.2s;}
.kdv-close-btn:hover { color: #ef4444; }
.kdv-body, .service-modal-body { padding: 25px; }
.service-modal-body { overflow-y: auto; color: #475569; line-height: 1.7; font-size: 0.95rem; }
.service-modal-body h4 { color: var(--primary-color); margin-top: 25px; margin-bottom: 10px; font-size: 1.1rem;}
.service-modal-body ul { padding-left: 20px; }

/* KDV TOOL ELEMENTS */
.kdv-input-group { margin-bottom: 20px; }
.kdv-input-group label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--accent-color); margin-bottom: 8px; }
.kdv-input-group input, .kdv-input-group select { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: var(--border-radius-sm); font-size: 1rem; box-sizing: border-box; outline: none; transition: border-color 0.2s;}
.kdv-input-group input:focus, .kdv-input-group select:focus { border-color: var(--primary-color); box-shadow: inset 0 0 0 1px var(--primary-color); }
.kdv-radio-group { display: flex; gap: 10px; }
.radio-box { flex: 1; text-align: center; padding: 10px; border: 1px solid #cbd5e1; border-radius: var(--border-radius-sm); cursor: pointer; font-size: 0.9rem; font-weight: 600; color: #64748b; transition: all 0.2s; }
.radio-box:has(input:checked) { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.radio-box input { display: none; }
.kdv-tevkifat-toggle { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 0.95rem; font-weight: 600; cursor: pointer; color: var(--accent-color); }
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #cbd5e1; transition: .3s; border-radius: 34px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .3s; border-radius: 50%; }
input:checked + .slider { background-color: var(--primary-color); }
input:checked + .slider:before { transform: translateX(20px); }
.kdv-results { background: #f8fafc; padding: 20px; border-radius: var(--border-radius-sm); border: 1px solid #e2e8f0; margin-top: 25px; }
.result-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 0.95rem; color: #475569; }
.result-row.total { font-weight: 800; font-size: 1.1rem; color: var(--accent-color); margin-top: 15px; border-top: 2px solid #e2e8f0; padding-top: 15px; }
.payable-row { color: var(--primary-color); font-weight: 800; border-top: 1px dashed #cbd5e1; padding-top: 10px; margin-top: 10px; }
.btn-copy { width: 100%; margin-top: 20px; padding: 12px; border: none; border-radius: var(--border-radius-sm); background-color: #e2e8f0; color: var(--accent-color); font-weight: 700; cursor: pointer; transition: background 0.2s; display: flex; align-items: center; justify-content: center; gap: 8px; }
.btn-copy:hover { background-color: #cbd5e1; }

/* GİZLİLİK HTML STİLLERİ */
.legal-section { padding: 120px 20px 80px 20px; background-color: #f8fafc; min-height: 100vh; }
.legal-content { background: white; padding: 60px; border-radius: var(--border-radius-md); box-shadow: var(--shadow-hover); border: 1px solid #f1f5f9; max-width: 900px; margin: 0 auto; }
.legal-content h1 { font-size: 2rem; color: var(--primary-color); margin-bottom: 10px; font-weight: 800; letter-spacing: -0.5px;}
.legal-content .last-updated { font-size: 0.9rem; color: #64748b; margin-bottom: 30px; }
.legal-content hr { border: 0; border-top: 1px solid #e2e8f0; margin: 30px 0; }
.legal-content h3 { font-size: 1.2rem; color: var(--accent-color); margin-top: 35px; margin-bottom: 15px; font-weight: 700; }
.legal-content p, .legal-content li { font-size: 1rem; color: #475569; line-height: 1.8; margin-bottom: 15px; }
.legal-content ul { padding-left: 20px; margin-bottom: 20px; }
.legal-content a { color: var(--primary-color); text-decoration: none; font-weight: 600;}
.legal-content a:hover { text-decoration: underline; }

/* MOBİL TASARIM & STICKY BOTTOM BAR */
@media (max-width: 992px) {
    /* Eski Menüyü Gizle */
    .nav-menu { display: none !important; }
    .nav-actions { display: none !important; }
    
    /* Mobil logo ortalama */
    .navbar .nav-container { justify-content: center; }
    
    /* Alt Barın Altında Boşluk Bırak */
    body { padding-bottom: 80px; }

    /* Sticky Bottom Bar */
    .mobile-bottom-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: #ffffff;
        box-shadow: 0 -4px 15px rgba(0,0,0,0.06);
        z-index: 9999;
        justify-content: space-around;
        align-items: center;
        padding: 10px 0;
        padding-bottom: env(safe-area-inset-bottom, 10px);
        border-top: 1px solid #e2e8f0;
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-decoration: none;
        color: #64748b;
        font-size: 0.75rem;
        font-weight: 600;
        gap: 6px;
        transition: color 0.3s;
        flex: 1;
    }

    .mobile-nav-item i { font-size: 1.25rem; }
    .mobile-nav-item.active { color: var(--primary-color); }

    /* FAB Butonlarını (WhatsApp, KDV, Yukarı) Alt Menünün Üstüne Kaldır */
    .kdv-fab-container { bottom: 90px; right: 20px; }
    .whatsapp-fab-left { bottom: 90px; left: 20px; }
    #scrollTopBtn { bottom: 165px; right: 27px; }
    
    /* Çerez Pop-up'ını Yukarı Kaydır */
    .cookie-banner { bottom: 70px; }
}

@media (max-width: 768px) {
    .about-container { flex-direction: column; }
    .services-timeline::before { left: 25px; }
    .timeline-icon { width: 50px; height: 50px; margin-right: 15px; }
    .form-grid { grid-template-columns: 1fr; }
    .form-wrapper { padding: 40px 20px; }
    .logo img { height: 50px; }
    .legal-content { padding: 35px 20px; }
    .hero-content h1 { font-size: 2.2rem; }
}