* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Inter", -apple-system, sans-serif; color: #0a0a0a; background: #ffffff; line-height: 1.6; }
a { color: #dc2626; text-decoration: none; }
a:hover { color: #991b1b; }
.topbar { background: #ffffff; border-bottom: 1px solid #e8e8e8; padding: 16px 0; position: sticky; top: 0; z-index: 100; }
.topbar-ic { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; color: #0a0a0a; font-weight: 700; font-size: 15px; }
.topbar nav { display: flex; gap: 26px; align-items: center; }
.topbar nav a { color: #404040; font-size: 14px; font-weight: 500; }
.topbar nav a:hover { color: #dc2626; }
.btn-giris { background: #0a0a0a; color: #ffffff !important; padding: 8px 18px; border-radius: 6px; font-weight: 600; }
.btn-giris:hover { background: #dc2626; }
.hero { background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%); padding: 100px 0 80px; border-bottom: 1px solid #f0f0f0; }
.hero-ic { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.etiket { display: inline-block; background: #fef2f2; border: 1px solid #fecaca; color: #dc2626; padding: 5px 14px; border-radius: 20px; font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px; }
.hero h1 { font-size: 46px; line-height: 1.15; margin-bottom: 14px; font-weight: 800; letter-spacing: -1px; }
.hero .slogan { font-size: 20px; color: #dc2626; font-style: italic; margin-bottom: 24px; }
.hero p { font-size: 16px; color: #404040; margin-bottom: 32px; }
.hero-btn { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 28px; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; border: none; text-decoration: none; }
.btn-birincil { background: #0a0a0a; color: #ffffff; }
.btn-birincil:hover { background: #dc2626; }
.btn-ikincil { background: #ffffff; color: #0a0a0a; border: 2px solid #0a0a0a; }
.btn-ikincil:hover { background: #0a0a0a; color: #ffffff; }
.eeg-kart { background: #0a0a0a; border-radius: 16px; padding: 32px 24px; }
.eeg-kart svg { width: 100%; height: auto; }
.eeg-kart p { margin-top: 18px; font-size: 12px; color: #a8a8a8; text-align: center; letter-spacing: 2px; }
.ozellikler { padding: 90px 0; background: #fafafa; }
.ozellikler-ic { max-width: 1200px; margin: 0 auto; padding: 0 24px; text-align: center; }
.ozellikler h2 { font-size: 34px; margin-bottom: 12px; font-weight: 800; }
.alt-metin { color: #666; font-size: 15px; max-width: 700px; margin: 0 auto 50px; }
.ozellik-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: left; }
.ozellik-kart { background: #ffffff; border: 1px solid #e8e8e8; padding: 32px 24px; border-radius: 14px; }
.ozellik-kart:hover { border-color: #dc2626; }
.ozellik-kart .ikon { font-size: 28px; color: #dc2626; margin-bottom: 18px; }
.ozellik-kart h3 { font-size: 15px; margin-bottom: 10px; font-weight: 700; }
.ozellik-kart p { font-size: 13px; color: #666; }
.istatistik { background: #0a0a0a; padding: 60px 0; }
.istatistik-ic { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.istat-kart .sayi { font-size: 44px; font-weight: 800; color: #ffffff; }
.istat-kart .ad { font-size: 11px; color: #a8a8a8; margin-top: 8px; letter-spacing: 2px; text-transform: uppercase; }
.nasil { padding: 90px 0; }
.nasil-ic { max-width: 1000px; margin: 0 auto; padding: 0 24px; text-align: center; }
.nasil h2 { font-size: 34px; margin-bottom: 50px; font-weight: 800; }
.adim-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.adim-no { width: 60px; height: 60px; background: #dc2626; color: #ffffff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; margin: 0 auto 18px; }
.adim h4 { margin-bottom: 10px; font-size: 16px; font-weight: 700; }
.adim p { color: #666; font-size: 13px; }
.icerik-sayfa { padding: 70px 0; }
.icerik-ic { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.icerik-ic.dar { max-width: 600px; }
.icerik-ic h1 { font-size: 36px; margin-bottom: 30px; font-weight: 800; }
.icerik-blok { margin-bottom: 40px; }
.icerik-blok h2 { font-size: 20px; color: #dc2626; margin-bottom: 14px; }
.icerik-blok p { color: #404040; margin-bottom: 14px; }
.dalga-liste { padding-left: 22px; color: #404040; }
.dalga-liste li { margin-bottom: 8px; }
.form-kart { background: #fafafa; border: 1px solid #e8e8e8; padding: 32px; border-radius: 12px; }
.form-kart label { display: block; font-size: 12px; font-weight: 700; color: #404040; margin: 16px 0 6px; text-transform: uppercase; }
.form-kart input, .form-kart textarea { width: 100%; padding: 12px 14px; border: 1px solid #d0d0d0; border-radius: 6px; font-size: 14px; font-family: inherit; }
.form-kart input:focus, .form-kart textarea:focus { outline: none; border-color: #dc2626; }
.form-kart button { margin-top: 24px; }
.mesaj-kap { max-width: 1200px; margin: 20px auto 0; padding: 0 24px; }
.mesaj { padding: 12px 18px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.mesaj.basari { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }
.mesaj.hata { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.giris-sayfa { background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%); min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.giris-wrap { width: 100%; max-width: 400px; }
.giris-kart { background: #ffffff; border: 1px solid #e8e8e8; border-radius: 16px; padding: 44px 32px; box-shadow: 0 20px 60px rgba(0,0,0,.08); }
.giris-logo { font-size: 40px; text-align: center; margin-bottom: 18px; }
.giris-kart h1 { font-size: 22px; text-align: center; margin-bottom: 8px; font-weight: 800; }
.giris-kart p { color: #666; text-align: center; font-size: 13px; margin-bottom: 28px; }
.giris-kart label { display: block; font-size: 11px; font-weight: 700; color: #404040; margin: 16px 0 6px; text-transform: uppercase; }
.giris-kart input { width: 100%; padding: 12px 14px; border: 1px solid #d0d0d0; border-radius: 6px; font-size: 14px; }
.giris-kart input:focus { outline: none; border-color: #dc2626; }
.tam-genislik { width: 100%; margin-top: 24px; }
.geri-link { display: block; text-align: center; margin-top: 22px; color: #888; font-size: 13px; }
.footer { background: #0a0a0a; color: #a8a8a8; padding: 50px 0 20px; }
.footer-ic { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer h4 { color: #ffffff; font-size: 15px; margin-bottom: 10px; }
.footer h5 { color: #e8e8e8; font-size: 12px; margin-bottom: 12px; text-transform: uppercase; }
.footer p, .footer a { font-size: 13px; color: #a8a8a8; }
.footer a { display: block; margin-bottom: 8px; }
.footer a:hover { color: #dc2626; }
.footer-alt { max-width: 1200px; margin: 36px auto 0; padding: 22px 24px 0; border-top: 1px solid #2a2a2a; font-size: 11px; color: #666; text-align: center; }
@media (max-width: 900px) { .hero-ic { grid-template-columns: 1fr; } .hero h1 { font-size: 32px; } .ozellik-grid { grid-template-columns: 1fr 1fr; } .istatistik-ic { grid-template-columns: 1fr 1fr; } .adim-grid { grid-template-columns: 1fr; } .footer-ic { grid-template-columns: 1fr; } }