/* ==========================================
   1. TEMEL SIFIRLAMA VE FONT AYARLARI
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

/* XANTHOS & SOSYAL ARTI TARZI AKAN CANLI ARKA PLAN
   Sarı, siyah ve gri tonları 400% büyütülerek sonsuz bir döngüde dalgalanır
*/
body {
    background: linear-gradient(-45deg, #050505, #111827, #facc15, #1f2937, #ffffff);
    background-size: 400% 400%;
    animation: gradientFlow 18s ease infinite;
    color: #f3f4f6;
    overflow-x: hidden;
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
}

/* ==========================================
   2. ÜST MENÜ (NAVBAR) - ŞEFFAFLAŞTIRILDI
   ========================================== */
.navbar {
    background-color: rgba(5, 5, 5, 0.7); 
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid rgba(250, 204, 21, 0.4); 
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: inline-flex;
    text-decoration: none;
}

.main-logo {
    height: 55px; 
    width: auto;
    object-fit: contain;
    border: 2px solid #facc15; 
    border-radius: 8px; 
    box-shadow: 0 4px 15px rgba(250, 204, 21, 0.2); 
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
}

.main-logo:hover {
    transform: scale(1.05);
}

.navigation a {
    color: #9ca3af; 
    text-decoration: none;
    margin-left: 25px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.navigation a:hover, .navigation a.active {
    color: #facc15;
    text-shadow: 0 0 10px rgba(250, 204, 21, 0.3);
}

/* ==========================================
   3. KAHRAMAN ALANI (HERO SECTION)
   ========================================== */
.hero {
    background: transparent; /* Arka plandaki akışı kapatmamak için transparent yapıldı */
    color: #ffffff;
    padding: 80px 0;
}

.hero-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1.2;
}

.badge {
    background-color: #050505;
    color: #facc15;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 25px;
    letter-spacing: 1px;
    border: 1px solid rgba(250, 204, 21, 0.3);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.hero-text h1 {
    font-size: 2.8rem;
    line-height: 1.25;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
}

.hero-text p {
    color: #d1d5db;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 35px;
}

.download-section {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.download-group {
    background: rgba(5, 5, 5, 0.65);
    padding: 15px 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    flex: 1;
    min-width: 260px;
}

.download-group h4 {
    font-size: 0.95rem;
    color: #facc15;
    margin-bottom: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-left: 3px solid #facc15;
    padding-left: 8px;
}

.hero-buttons {
    display: flex;
    gap: 10px;
}

.btn-store img {
    height: 38px;
    display: block;
    transition: transform 0.2s ease;
}

.btn-store img:hover {
    transform: scale(1.05);
}

.hero-image {
    flex: 0.8;
    display: flex;
    justify-content: flex-end;
}

.mockup {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* ==========================================
   4. ÖZELLİKLER VE PREMIUM KARTLAR
   ========================================== */
.features {
    padding: 80px 0;
    background-color: transparent;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.4rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 800;
}

.section-title p {
    color: #e5e7eb;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: flex;
    gap: 30px;
    justify-content: space-between;
}

/* Sosyal Artı Stili Şeffaf ve Buzlu Kart Tasarımı */
.feature-card {
    background: rgba(5, 5, 5, 0.65);
    padding: 40px 30px;
    border-radius: 16px;
    flex: 1;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(250, 204, 21, 0.15), 0 15px 25px rgba(0, 0, 0, 0.6);
    border-color: #facc15;
    background: rgba(5, 5, 5, 0.8);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.35rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.feature-card p {
    color: #9ca3af;
    line-height: 1.6;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: #facc15;
    color: #050505;
    padding: 14px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    margin-top: 25px;
    border: 2px solid #facc15;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(250, 204, 21, 0.2);
}

.btn-primary:hover {
    background-color: #050505;
    color: #facc15;
    border-color: #facc15;
}

/* ==========================================
   5. İLETİŞİM SAYFASI TASARIMI
   ========================================== */
.contact-section {
    padding: 80px 0;
    background: transparent;
    min-height: calc(100vh - 90px);
}

.contact-layout {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h2 {
    font-size: 2.6rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 20px;
}

.contact-info p {
    color: #e5e7eb;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 40px;
}

.info-meta {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-icon {
    font-size: 2rem;
    background: rgba(5, 5, 5, 0.7);
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.info-item h4 {
    font-size: 1rem;
    color: #ffffff;
    font-weight: 700;
}

.info-item p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: #9ca3af;
}

.contact-form-box {
    flex: 1;
    background: rgba(5, 5, 5, 0.7);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 25px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
}

.contact-form-box h3 {
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 25px;
    font-weight: 700;
    border-bottom: 2px solid #facc15;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #facc15;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.95rem;
    color: #ffffff;
    background-color: rgba(3, 7, 18, 0.5);
    transition: all 0.3s ease;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: #facc15;
    background-color: rgba(3, 7, 18, 0.7);
    box-shadow: 0 0 10px rgba(250, 204, 21, 0.2);
}

.btn-submit {
    width: 100%;
    background-color: #facc15;
    color: #050505;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(250, 204, 21, 0.2);
}

.btn-submit:hover {
    background-color: #ffffff;
    color: #050505;
}

/* ==========================================
   6. GÖRKEMLİ KURUMSAL FOOTER TASARIMI
   ========================================== */
.main-footer {
    background-color: #020617; 
    color: #ffffff;
    padding: 70px 0 0 0;
    border-top: 4px solid #facc15; 
}

.footer-layout {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-block {
    flex: 1;
}

.brand-block {
    flex: 1.5;
}

.footer-logo {
    height: 60px;
    border: 2px solid #ffffff;
    border-radius: 8px;
    margin-bottom: 20px;
    background-color: #facc15;
}

.brand-block p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-block h4 {
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #334155;
    padding-bottom: 8px;
    display: inline-block;
}

.yellow-text {
    color: #facc15;
}

.social-links {
    list-style: none;
}

.social-links li {
    margin-bottom: 15px;
}

.social-links a {
    color: #cbd5e1; 
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.social-links a i {
    color: #facc15; 
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    color: #ffffff;
    transform: translateX(5px);
}

.social-links a:hover i {
    transform: scale(1.2);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #facc15;
}

.footer-bottom {
    background-color: #000105; 
    padding: 20px 0;
    border-top: 1px solid #1e293b;
    font-size: 0.85rem;
    color: #64748b;
}

.footer-bottom-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s ease;
}

.legal-links a:hover {
    color: #facc15;
}

/* ==========================================
   7. YASAL METİNLER TASARIMI
   ========================================== */
.legal-section {
    padding: 80px 0;
    background-color: transparent;
}

.legal-container {
    max-width: 900px; 
    margin: 0 auto;
}

.legal-section h1 {
    font-size: 2.6rem;
    color: #ffffff;
    margin-top: 15px;
    font-weight: 800;
}

.last-update {
    color: #9ca3af;
    font-size: 0.95rem;
    margin-top: 5px;
    font-style: italic;
}

.legal-divider {
    border: none;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 30px 0;
}

.legal-content h3 {
    font-size: 1.3rem;
    color: #ffffff;
    margin-top: 35px;
    margin-bottom: 15px;
    font-weight: 700;
    border-left: 4px solid #facc15; 
    padding-left: 12px;
}

.legal-content p {
    color: #e5e7eb;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify; 
}

/* ==========================================
   8. MOBİL UYUM (RESPONSIVE)
   ========================================== */
@media (max-width: 768px) {
    .container {
        width: 90%; 
    }
    
    .navbar .container {
        flex-direction: column; 
        gap: 15px;
        text-align: center;
    }
    
    .navigation {
        display: flex;
        flex-wrap: wrap; 
        justify-content: center;
        gap: 10px;
    }
    
    .navigation a {
        margin-left: 0;
        margin: 0 10px;
        font-size: 0.85rem; 
    }

    .hero {
        padding: 40px 0;
        text-align: center;
    }
    
    .hero-layout {
        flex-direction: column-reverse; 
        gap: 30px;
    }
    
    .hero-text h1 {
        font-size: 1.8rem; 
        line-height: 1.3;
    }
    
    .hero-text p {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .download-section {
        flex-direction: column;
        gap: 15px;
    }
    
    .download-group {
        width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .btn-store img {
        height: 35px; 
    }

    .features {
        padding: 50px 0;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .features-grid {
        flex-direction: column; 
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }

    .contact-section {
        padding: 40px 0;
    }
    
    .contact-layout {
        flex-direction: column; 
        gap: 40px;
    }
    
    .contact-form-box {
        width: 100%;
        padding: 25px 20px; 
    }
    
    .contact-info h2 {
        font-size: 1.8rem;
    }

    .legal-section {
        padding: 40px 0;
    }
    
    .legal-section h1 {
        font-size: 1.8rem;
    }
    
    .legal-content p {
        font-size: 0.95rem;
        text-align: left; 
    }

    .main-footer {
        padding: 50px 0 0 0;
        text-align: center;
    }
    
    .footer-layout {
        flex-direction: column; 
        gap: 35px;
    }
    
    .footer-block h4 {
        margin-bottom: 15px;
    }
    
    .social-links a {
        justify-content: center; 
    }
    
    .footer-bottom-layout {
        flex-direction: column; 
        gap: 15px;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
        flex-wrap: wrap; 
        gap: 10px;
    }
}

/* ==========================================
   9. KURUMSAL DUYURULAR / HABERLER ALANI
   ========================================== */
.news-section {
    padding: 60px 0 80px 0;
    background-color: transparent;
}

.news-grid {
    display: flex;
    gap: 30px;
    justify-content: space-between;
    margin-top: 40px;
}

.news-card {
    background: rgba(5, 5, 5, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    flex: 1;
    overflow: hidden;
    position: relative;
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(250, 204, 21, 0.15), 0 15px 25px rgba(0, 0, 0, 0.6);
    border-color: #facc15;
    background: rgba(5, 5, 5, 0.8);
}

.news-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #facc15;
    color: #050505;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.news-badge.system {
    background-color: #1e40af; 
    color: #ffffff;
}

.news-badge.esnaf {
    background-color: #16a34a; 
    color: #ffffff;
}

.news-content {
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.news-date {
    font-size: 0.85rem;
    color: #9ca3af;
    margin-bottom: 12px;
    font-weight: 500;
}

.news-date i {
    margin-right: 5px;
    color: #facc15;
}

.news-card h3 {
    font-size: 1.25rem;
    color: #ffffff;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.4;
}

.news-card p {
    color: #9ca3af;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1; 
}

.news-link {
    color: #facc15;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s ease;
}

.news-link:hover {
    color: #ffffff;
}

@media (max-width: 768px) {
    .news-grid {
        flex-direction: column;
        gap: 25px;
    }
}