/* Temel Ayarlar & Renkler */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
html { scroll-behavior: smooth; }
body { background-color: #fdfaf6; color: #1a1a1a; line-height: 1.6; overflow-x: hidden; }

/* Butonlar */
.btn-primary { background-color: #1a1a1a; color: #ffffff; padding: 12px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; border: none; cursor: pointer; transition: all 0.3s ease; display: inline-block; text-align: center; }
.btn-primary:hover { background-color: #333333; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.btn-outline { background-color: transparent; color: #1a1a1a; padding: 12px 24px; border-radius: 8px; text-decoration: none; font-weight: 600; border: 2px solid #1a1a1a; transition: all 0.3s ease; display: inline-block; text-align: center; }
.btn-outline:hover { background-color: #1a1a1a; color: #ffffff; }
.w-100 { width: 100%; }

/* Navbar */
.navbar { position: fixed; top: 0; width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 8%; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); z-index: 1000; transition: all 0.3s ease; }
.logo { font-family: 'Poppins', sans-serif; font-size: 24px; font-weight: 700; color: #1a1a1a; text-decoration: none; }
.nav-menu ul { list-style: none; display: flex; gap: 30px; }
.nav-menu a { text-decoration: none; color: #4a4a4a; font-weight: 500; transition: color 0.3s; }
.nav-menu a:hover { color: #1a1a1a; }
.btn-login { background: transparent; border: 2px solid #1a1a1a; color: #1a1a1a; padding: 8px 20px; border-radius: 6px; font-weight: 600; cursor: pointer; transition: 0.3s; }
.btn-login:hover { background: #1a1a1a; color: #fff; }
.hamburger { display: none; font-size: 24px; cursor: pointer; }
.mobile-only { display: none; }

/* Hero Section */
.hero { padding: 150px 8% 100px; display: flex; align-items: center; justify-content: space-between; min-height: 100vh; background: linear-gradient(135deg, #fdfaf6 0%, #f5efeb 100%); }
.hero-container { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 50px; }
.hero-content { flex: 1; max-width: 600px; }
.badge { display: inline-block; padding: 6px 12px; background: #fff3e0; color: #d97706; border-radius: 20px; font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 3.5rem; font-family: 'Poppins', sans-serif; line-height: 1.2; margin-bottom: 20px; color: #111; }
.hero p { font-size: 1.1rem; color: #555; margin-bottom: 30px; }
.hero-buttons { display: flex; gap: 15px; }
.hero-visual { flex: 1; display: flex; justify-content: center; }

/* Mockup Penceresi */
.mockup-window { background: #ffffff; border-radius: 16px; box-shadow: 0 20px 40px rgba(0,0,0,0.08); width: 100%; max-width: 450px; overflow: hidden; border: 1px solid #eee; }
.mockup-header { background: #f8f9fa; padding: 12px 15px; border-bottom: 1px solid #eee; display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f56; } .dot.yellow { background: #ffbd2e; } .dot.green { background: #27c93f; }
.mockup-body { padding: 50px 30px; text-align: center; }
.mockup-icon { font-size: 4rem; color: #1a1a1a; margin-bottom: 20px; opacity: 0.8; }
.mockup-skeleton { margin-top: 30px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.skel-line { height: 10px; background: #f0f0f0; border-radius: 5px; }
.w-70 { width: 70%; } .w-50 { width: 50%; }

/* Ortak Bölüm Ayarları */
.section-padding { padding: 100px 8%; }
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 2.5rem; font-family: 'Poppins', sans-serif; color: #111; margin-bottom: 10px; }
.section-title p { color: #666; font-size: 1.1rem; }

/* Nasıl Çalışır Bölümü */
.steps-container { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.step-card { flex: 1; min-width: 280px; background: #fff; padding: 40px 30px; border-radius: 20px; text-align: center; position: relative; border: 1px solid #eee; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.step-card:hover { transform: translateY(-15px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border-color: #111; }
.step-number { position: absolute; top: -20px; left: 50%; transform: translateX(-50%); width: 40px; height: 40px; background: #111; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 20px; border: 4px solid #fdfaf6; transition: 0.3s; }
.step-card:hover .step-number { background: #d97706; transform: translateX(-50%) scale(1.1); }
.step-icon { font-size: 3rem; color: #d97706; margin: 20px 0; opacity: 0.8; transition: 0.3s; }
.step-card:hover .step-icon { transform: rotate(10deg) scale(1.1); opacity: 1; color: #111; }
.step-card h3 { font-family: 'Poppins', sans-serif; margin-bottom: 15px; }
.step-card p { color: #666; font-size: 0.95rem; }

/* Demolar Bölümü */
.demo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.demo-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.04); transition: transform 0.3s; border: 1px solid #f0f0f0; }
.demo-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.img-placeholder { height: 200px; display: flex; align-items: center; justify-content: center; }
.demo-info { padding: 25px; text-align: center; }
.demo-info h3 { margin-bottom: 20px; font-family: 'Poppins', sans-serif; }

/* Hakkımızda Bölümü */
.about-section { background: #111; color: #fff; }
.about-container { display: flex; align-items: center; gap: 50px; max-width: 1100px; margin: 0 auto; }
.about-text { flex: 2; }
.about-text h2 { font-family: 'Poppins', sans-serif; font-size: 2.5rem; margin-bottom: 20px; color: #fff; }
.about-text p { color: #aaa; margin-bottom: 20px; font-size: 1.1rem; line-height: 1.8; }
.about-stats { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.stat-box { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 30px; border-radius: 20px; text-align: center; transition: 0.3s; }
.stat-box:hover { background: rgba(255,255,255,0.1); transform: translateX(-10px); }
.stat-box h3 { font-size: 3rem; color: #d97706; margin-bottom: 5px; font-family: 'Poppins', sans-serif; }
.stat-box span { color: #fff; font-weight: 500; text-transform: uppercase; letter-spacing: 1px; font-size: 0.8rem; }

/* İletişim Formu */
.contact-wrapper { display: flex; gap: 40px; max-width: 1000px; margin: 0 auto; background: #fff; padding: 40px; border-radius: 20px; box-shadow: 0 10px 40px rgba(0,0,0,0.05); }
.contact-info { flex: 1; display: flex; flex-direction: column; gap: 30px; padding-right: 30px; border-right: 1px solid #eee; }
.info-item { display: flex; align-items: flex-start; gap: 15px; }
.info-item i { font-size: 24px; color: #d97706; margin-top: 5px; }
.info-item a { color: #111; text-decoration: none; font-weight: bold; font-size: 1.1rem; transition: 0.3s; }
.info-item a:hover { color: #d97706; }
.contact-form { flex: 1.5; display: flex; flex-direction: column; gap: 15px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 15px; border: 1px solid #ddd; border-radius: 8px; font-family: 'Inter', sans-serif; transition: 0.3s; background: #fdfaf6; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: #111; background: #fff; }

/* Footer */
.site-footer { background: #111; color: #fff; padding: 60px 8% 20px; }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 30px; }
.footer-logo { font-size: 24px; font-family: 'Poppins', sans-serif; font-weight: bold; }
.footer-contact-text { color: #d97706; font-weight: bold; font-size: 1.2rem; }
.footer-bottom { text-align: center; color: #666; font-size: 0.9rem; }

/* PREMIUM MODAL (Satıcı Giriş Paneli) TASARIMI */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); backdrop-filter: blur(8px); }
.modal.show { display: flex; justify-content: center; align-items: center; animation: fadeIn 0.3s ease; }
.premium-modal { background: #ffffff; padding: 40px; border-radius: 24px; width: 100%; max-width: 420px; position: relative; box-shadow: 0 30px 60px rgba(0,0,0,0.2); border: 1px solid rgba(0,0,0,0.05); animation: slideUp 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); }
.close-btn { position: absolute; right: 25px; top: 20px; font-size: 28px; cursor: pointer; color: #aaa; transition: color 0.3s; line-height: 1; }
.close-btn:hover { color: #111; }
.modal-header { text-align: center; margin-bottom: 30px; }
.modal-icon-bg { width: 60px; height: 60px; background: #fdfaf6; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; border: 2px solid #eee; }
.modal-icon-bg i { font-size: 24px; color: #1a1a1a; }
.modal-header h3 { font-family: 'Poppins', sans-serif; font-size: 1.5rem; color: #111; margin-bottom: 5px; }
.modal-header p { font-size: 0.9rem; color: #666; }
.input-group { margin-bottom: 25px; text-align: left; }
.input-group label { display: block; font-weight: 600; margin-bottom: 8px; color: #333; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.input-with-icon { position: relative; }
.input-icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: #888; font-size: 1rem; }
.input-with-icon input { width: 100%; padding: 15px 15px 15px 45px; border: 2px solid #eee; border-radius: 12px; font-family: 'Inter', sans-serif; font-size: 1rem; transition: all 0.3s; background: #fafafa; }
.input-with-icon input:focus { outline: none; border-color: #1a1a1a; background: #fff; box-shadow: 0 0 0 4px rgba(26,26,26,0.05); }
.modal-btn { padding: 15px; font-size: 1.1rem; border-radius: 12px; margin-top: 10px; }
.modal-footer { text-align: center; margin-top: 25px; font-size: 0.8rem; color: #888; display: flex; align-items: center; justify-content: center; gap: 8px; }
.modal-footer i { color: #27c93f; }

/* Animasyonlar */
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }

/* Mobil Uyumluluk */
@media (max-width: 768px) {
    .nav-menu { position: fixed; top: -100%; left: 0; width: 100%; background: #fff; flex-direction: column; text-align: center; padding: 80px 0 30px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); transition: 0.4s; z-index: -1; }
    .nav-menu.active { top: 0; }
    .nav-menu ul { flex-direction: column; gap: 20px; margin-bottom: 20px; }
    .hamburger { display: block; }
    .desktop-only { display: none; }
    .mobile-only { display: inline-block; }
    .hero-container { flex-direction: column; text-align: center; }
    .hero { padding-top: 120px; }
    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { justify-content: center; }
    .about-container, .contact-wrapper { flex-direction: column; }
    .contact-info { border-right: none; border-bottom: 1px solid #eee; padding-right: 0; padding-bottom: 30px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}