/* Net Bilişim — site stili. Sakin, doğal, göz yormayan. */
:root {
  --bg: #f7f8fa;
  --yuzey: #ffffff;
  --yuzey2: #eef3f8;
  --metin: #1e293b;
  --metin2: #52627a;
  --cizgi: #e3e8ef;
  --birincil: #1d6fb8;
  --birincil-koyu: #155a97;
  --birincil-acik: #e6f0fa;
  --koyu: #12233d;
  --koyu2: #1b3358;
  --yesil: #2e8b57;
  --kirmizi: #c0392b;
  --sari: #b7791f;
  --radius: 14px;
  --golge: 0 1px 2px rgba(16, 24, 40, .04), 0 6px 20px -8px rgba(16, 24, 40, .12);
  --golge-h: 0 2px 4px rgba(16, 24, 40, .05), 0 14px 30px -10px rgba(16, 24, 40, .18);
  --kap: 1140px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--metin); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--birincil); text-decoration: none; }
a:hover { color: var(--birincil-koyu); }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; color: var(--koyu); }
h1 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3, .h3 { font-size: 1.15rem; }
.h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
p { margin: 0 0 1em; }
.buyuk { font-size: 1.12rem; color: var(--metin2); }
.kap { max-width: var(--kap); margin: 0 auto; padding: 0 22px; }
.kap.dar { max-width: 820px; }
.merkez { text-align: center; }
.kirilir { overflow-wrap: anywhere; }
.atla { position: absolute; left: -999px; top: 0; background: var(--koyu); color: #fff; padding: 8px 12px; z-index: 100; }
.atla:focus { left: 8px; top: 8px; }

/* Düğmeler */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: .95rem; border: 1.5px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s, transform .15s; line-height: 1.2; font-family: inherit; }
.btn:hover { transform: translateY(-1px); }
.btn-birincil { background: var(--birincil); color: #fff; }
.btn-birincil:hover { background: var(--birincil-koyu); color: #fff; }
.btn-ikincil { background: var(--yuzey); color: var(--koyu); border-color: var(--cizgi); }
.btn-ikincil:hover { border-color: var(--birincil); color: var(--birincil); }
.btn-acik { background: #fff; color: var(--koyu); }
.btn-acik:hover { background: #f1f5f9; color: var(--koyu); }
.btn-cerceve { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-cerceve:hover { border-color: #fff; color: #fff; }
.btn-tehlike { background: #fdecea; color: var(--kirmizi); border-color: #f5c6c2; }
.btn-tehlike:hover { background: var(--kirmizi); color: #fff; border-color: var(--kirmizi); }
.btn-buyuk { padding: 14px 24px; font-size: 1.02rem; }
.btn-kucuk { padding: 6px 11px; font-size: .82rem; border-radius: 8px; }
.btn.blok { display: flex; width: 100%; margin-bottom: 10px; }

/* Üst */
.ust { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(10px); border-bottom: 1px solid var(--cizgi); }
.ust-ic { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo img { width: 160px; height: auto; }
.menu { display: flex; align-items: center; gap: 26px; }
.menu a { color: var(--metin); font-weight: 500; font-size: .97rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.menu a:hover, .menu a.aktif { color: var(--birincil); border-bottom-color: var(--birincil); }
.menu a.btn { border-bottom: 0; color: #fff; padding: 9px 16px; }
.menu-btn { margin-left: 6px; }
.menu-ac { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.menu-ac span { display: block; height: 2px; background: var(--koyu); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-ac[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-ac[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-ac[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%); padding: 64px 0 40px; }
.hero-ic { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.etiket { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--birincil); background: var(--birincil-acik); padding: 5px 11px; border-radius: 999px; margin-bottom: 16px; }
.hero h1 { margin-bottom: 18px; }
.hero-btn { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 28px; }
.hero-kanit { list-style: none; padding: 0; margin: 0; display: flex; gap: 28px; flex-wrap: wrap; color: var(--metin2); font-size: .93rem; }
.hero-kanit strong { color: var(--koyu); }
.hero-gorsel img { border-radius: 20px; box-shadow: var(--golge-h); aspect-ratio: 4/3; object-fit: cover; }

/* Bölümler */
.bolum { padding: 72px 0; }
.bolum-acik { background: var(--yuzey2); }
.bolum-koyu { background: var(--koyu); color: #d9e2ef; }
.bolum-koyu h2, .bolum-koyu h3 { color: #fff; }
.bolum-baslik { max-width: 640px; margin: 0 auto 40px; text-align: center; }
.bolum-baslik.sol { margin: 0 0 24px; text-align: left; }
.bolum-baslik p { color: var(--metin2); font-size: 1.05rem; }
.bolum-baslik.acik p { color: #b9c6d8; }
.bolum-koyu .etiket { background: rgba(255,255,255,.1); color: #9fc4ea; }

.ozellik-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.ozellik { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 24px; }
.ozellik-no { width: 34px; height: 34px; border-radius: 10px; background: var(--birincil-acik); color: var(--birincil); font-weight: 700; display: grid; place-items: center; margin-bottom: 14px; }
.ozellik p { margin: 0; color: var(--metin2); font-size: .95rem; }

.kart-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.kart { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--golge); display: flex; flex-direction: column; color: var(--metin); transition: transform .15s, box-shadow .15s, border-color .15s; }
.kart:hover { transform: translateY(-3px); box-shadow: var(--golge-h); border-color: #cfe0f3; color: var(--metin); }
.kart .ikon { width: 52px; height: 52px; border-radius: 12px; background: var(--birincil-acik); color: var(--birincil); display: grid; place-items: center; margin-bottom: 18px; }
.kart h3, .kart .h3 { font-size: 1.08rem; margin-bottom: 8px; }
.kart p { color: var(--metin2); font-size: .94rem; flex: 1; margin-bottom: 14px; }
.kart-link { color: var(--birincil); font-weight: 600; font-size: .9rem; }

.gunluk-izgara { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gunluk { display: flex; gap: 14px; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 18px; }
.gunluk-em { font-size: 1.6rem; line-height: 1; margin-top: 2px; }
.gunluk h3 { font-size: 1rem; margin-bottom: 4px; }
.gunluk p { margin: 0; font-size: .88rem; color: var(--metin2); }

.surec { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.surec li { background: var(--koyu2); border-radius: var(--radius); padding: 24px; border: 1px solid rgba(255,255,255,.07); }
.surec-no { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--birincil); color: #fff; font-weight: 700; margin-bottom: 14px; }
.surec h3 { font-size: 1.05rem; }
.surec p { margin: 0; color: #b9c6d8; font-size: .93rem; }

.hakkinda-ic { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.hakkinda-gorsel img { border-radius: 20px; box-shadow: var(--golge-h); aspect-ratio: 4/3; object-fit: cover; }
.hakkinda-metin p { color: var(--metin2); }
.hikaye-ic { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.hikaye-metin p { color: var(--metin2); }
.zaman { list-style: none; padding: 0; margin: 0; position: relative; }
.zaman::before { content: ''; position: absolute; left: 44px; top: 10px; bottom: 10px; width: 2px; background: #cfe0f3; }
.zaman li { display: grid; grid-template-columns: 88px 1fr; gap: 16px; align-items: start; margin-bottom: 18px; position: relative; }
.zaman-yil { font-weight: 700; color: var(--birincil); font-size: .95rem; background: var(--yuzey); border: 2px solid #cfe0f3; border-radius: 999px; padding: 4px 0; text-align: center; position: relative; z-index: 1; }
.zaman h3 { font-size: 1rem; margin: 6px 0 2px; }
.zaman p { margin: 0; font-size: .92rem; color: var(--metin2); }
.deger-izgara { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.deger { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 24px; }
.deger p { margin: 0; color: var(--metin2); font-size: .95rem; }

.ref-izgara { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; }
.ref { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 12px; width: 200px; height: 96px; display: grid; place-items: center; padding: 18px; }
.ref img { max-height: 56px; width: auto; filter: grayscale(1); opacity: .75; transition: filter .2s, opacity .2s; }
.ref:hover img { filter: none; opacity: 1; }
.ref-yazi span { font-weight: 700; font-size: 1.25rem; letter-spacing: .02em; color: #6b7a90; transition: color .2s; }
.ref-yazi:hover span { color: var(--koyu); }

.sss-ic { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.sss-madde { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 12px; margin-bottom: 10px; padding: 0 18px; }
.sss-madde summary { cursor: pointer; padding: 15px 0; font-weight: 600; color: var(--koyu); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.sss-madde summary::-webkit-details-marker { display: none; }
.sss-madde summary::after { content: '+'; color: var(--birincil); font-size: 1.3rem; line-height: 1; }
.sss-madde[open] summary::after { content: '−'; }
.sss-madde p { margin: 0 0 16px; color: var(--metin2); }

.cta { background: linear-gradient(135deg, var(--birincil) 0%, #2a86d6 100%); color: #fff; padding: 56px 0; }
.cta h2 { color: #fff; margin-bottom: 6px; }
.cta p { margin: 0; color: rgba(255,255,255,.85); }
.cta-ic { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-btn { display: flex; gap: 12px; flex-wrap: wrap; }

/* İç sayfalar */
.sayfa-bas { background: linear-gradient(180deg, #fff, var(--bg)); padding: 44px 0 34px; border-bottom: 1px solid var(--cizgi); }
.sayfa-bas p { color: var(--metin2); font-size: 1.08rem; max-width: 720px; margin: 0; }
.kirinti { font-size: .85rem; color: var(--metin2); margin-bottom: 12px; }
.kirinti span { margin: 0 6px; opacity: .6; }
.detay-ic { display: grid; grid-template-columns: 1fr 320px; gap: 44px; align-items: start; }
.detay h2 { font-size: 1.35rem; margin-top: 1.6em; }
.detay-gorsel { margin: 0 0 28px; }
.detay-gorsel img { border-radius: 16px; aspect-ratio: 3/2; object-fit: cover; }
.madde-liste { list-style: none; padding: 0; margin: 0 0 8px; display: grid; gap: 10px; }
.madde-liste li { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 12px; padding: 14px 16px; display: grid; gap: 3px; }
.madde-liste strong { color: var(--koyu); }
.madde-liste span { color: var(--metin2); font-size: .95rem; }
.yan { position: sticky; top: 92px; display: grid; gap: 18px; }
.yan-kutu { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 22px; }
.yan-kutu p { color: var(--metin2); font-size: .93rem; }
.yan-liste { list-style: none; padding: 0; margin: 0; }
.yan-liste li { border-top: 1px solid var(--cizgi); }
.yan-liste li:first-child { border-top: 0; }
.yan-liste a { display: block; padding: 9px 0; color: var(--metin); font-size: .93rem; }
.yan-liste a:hover { color: var(--birincil); }

/* İletişim ve formlar */
.iletisim-ic { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.iletisim-bilgi { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bilgi-kutu { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 20px; }
.bilgi-kutu h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--metin2); margin-bottom: 8px; }
.bilgi-kutu p { margin: 6px 0 0; font-size: .88rem; color: var(--metin2); }
.buyuk-link { font-weight: 600; font-size: 1.05rem; color: var(--koyu); display: block; }
a.buyuk-link:hover { color: var(--birincil); }
.form-kutu { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 30px; box-shadow: var(--golge); }
.giris-kutu { max-width: 440px; margin: 20px auto; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 500; font-size: .92rem; color: var(--koyu); }
.form input, .form select, .form textarea { font: inherit; padding: 11px 13px; border: 1.5px solid var(--cizgi); border-radius: 10px; background: #fff; color: var(--metin); width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--birincil); box-shadow: 0 0 0 3px var(--birincil-acik); }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.onay { display: flex !important; align-items: flex-start; gap: 10px; font-weight: 400 !important; }
.onay input { width: auto !important; margin-top: 4px; }
.tuzak { position: absolute; left: -9999px; }
.uyari { padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: .95rem; }
.uyari-ok { background: #e6f5ec; color: #1e6b3f; border: 1px solid #bfe3cf; }
.uyari-hata { background: #fdecea; color: #922b21; border: 1px solid #f5c6c2; }
.uyari-uyari { background: #fff6e0; color: #7a4f00; border: 1px solid #f3dfa5; }
.not { font-size: .85rem; color: var(--metin2); }

/* Alt */
.alt { background: var(--koyu); color: #b9c6d8; padding: 56px 0 0; margin-top: 0; }
.alt-ic { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; }
.alt h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.alt ul { list-style: none; padding: 0; margin: 0; }
.alt li { margin-bottom: 8px; font-size: .92rem; }
.alt a { color: #b9c6d8; }
.alt a:hover { color: #fff; }
.alt-marka img { width: 150px; background: #fff; padding: 8px 12px; border-radius: 8px; margin-bottom: 14px; }
.alt-marka p { font-size: .92rem; }
.alt-telif { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 22px; font-size: .85rem; color: #8ea0b8; }
.wa { position: fixed; right: 20px; bottom: 20px; width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 20px rgba(0,0,0,.2); z-index: 40; }
.wa:hover { background: #1fb457; color: #fff; }

/* Dosya alanı */
.panel-bas-ic { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.yukle { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 22px; margin-bottom: 26px; }
.yukle-alan { display: grid; justify-items: center; gap: 6px; text-align: center; padding: 34px 20px; border: 2px dashed #c9d5e3; border-radius: 12px; background: var(--bg); color: var(--metin2); cursor: pointer; transition: border-color .15s, background .15s; }
.yukle-alan:hover, .yukle-alan.surukle { border-color: var(--birincil); background: var(--birincil-acik); }
.yukle-alan input { display: none; }
.yukle-alan strong { color: var(--koyu); font-size: 1.02rem; }
.yukle-alan span { font-size: .88rem; }
.secilen { color: var(--birincil); font-weight: 600; }
.yukle-alt { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.ilerleme { margin-top: 14px; display: grid; gap: 6px; font-size: .88rem; color: var(--metin2); }
.ilerleme-cubuk { height: 8px; border-radius: 999px; background: var(--birincil-acik); overflow: hidden; position: relative; }
.ilerleme-cubuk::after { content: ''; position: absolute; inset: 0; width: var(--w, 0%); background: var(--birincil); transition: width .2s; }
.tablo-kap { overflow-x: auto; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); }
.tablo { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 760px; }
.tablo th, .tablo td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--cizgi); vertical-align: middle; }
.tablo th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--metin2); background: var(--bg); }
.tablo tr:last-child td { border-bottom: 0; }
.tablo .sag { text-align: right; }
.dosya-ad a { font-weight: 600; color: var(--koyu); overflow-wrap: anywhere; }
.dosya-ad a:hover { color: var(--birincil); }
.paylasim-link { display: flex; gap: 6px; margin-top: 6px; max-width: 420px; }
.paylasim-link input { flex: 1; font: inherit; font-size: .8rem; padding: 5px 8px; border: 1px solid var(--cizgi); border-radius: 7px; background: var(--bg); color: var(--metin2); min-width: 0; }
.islemler { display: flex; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.islemler form { display: inline; }
.rozet { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.rozet-yesil { background: #e6f5ec; color: #1e6b3f; }
.rozet-gri { background: #eef1f5; color: #52627a; }
.hesap { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--radius); padding: 0 22px; margin-top: 26px; }
.hesap summary { cursor: pointer; padding: 16px 0; font-weight: 600; color: var(--koyu); list-style: none; display: flex; justify-content: space-between; }
.hesap summary::-webkit-details-marker { display: none; }
.hesap summary::after { content: '+'; color: var(--birincil); font-size: 1.3rem; line-height: 1; }
.hesap[open] summary::after { content: '−'; }
.hesap-form { padding: 4px 0 22px; }
.ipucu { font-weight: 400; color: var(--metin2); font-size: .82rem; }
.panel-bas-btn { display: flex; gap: 8px; flex-wrap: wrap; }
.satir-ic { display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: .92rem; color: var(--koyu); }
.satir-ic select, .durum-sec { font: inherit; font-size: .9rem; padding: 7px 10px; border: 1.5px solid var(--cizgi); border-radius: 9px; background: #fff; color: var(--metin); }
.durum-sec.durum-site { border-color: #bfe3cf; background: #e6f5ec; color: #1e6b3f; font-weight: 600; }
.durum-sec.durum-link { border-color: #cfe0f3; background: var(--birincil-acik); color: var(--birincil-koyu); font-weight: 600; }
.durum-form { display: inline-flex; gap: 6px; align-items: center; }
.indir-liste { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 10px; }
.indir-liste li { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: 12px; padding: 14px 18px; }
.indir-bilgi { display: grid; gap: 2px; min-width: 0; }
.indir-bilgi strong { color: var(--koyu); }
.indir-bilgi span { font-size: .85rem; color: var(--metin2); }
.bos { text-align: center; color: var(--metin2); padding: 30px; background: var(--yuzey); border: 1px dashed var(--cizgi); border-radius: var(--radius); }

/* Duyarlı */
@media (max-width: 1000px) {
  .ozellik-izgara, .kart-izgara, .gunluk-izgara, .surec { grid-template-columns: repeat(2, 1fr); }
  .hero-ic, .hakkinda-ic, .sss-ic, .detay-ic, .iletisim-ic, .hikaye-ic { grid-template-columns: 1fr; }
  .hero-gorsel { order: -1; }
  .yan { position: static; }
  .alt-ic { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .menu { display: none; position: absolute; left: 0; right: 0; top: 76px; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 22px 18px; border-bottom: 1px solid var(--cizgi); box-shadow: var(--golge-h); }
  .menu.acik { display: flex; }
  .menu a { padding: 12px 0; border-bottom: 1px solid var(--cizgi); }
  .menu a.aktif { border-bottom-color: var(--cizgi); }
  .menu a.btn { margin-top: 12px; }
  .menu-ac { display: flex; }
  .hero { padding: 36px 0 24px; }
  .bolum { padding: 52px 0; }
  .form-satir { grid-template-columns: 1fr; }
  .iletisim-bilgi { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .ozellik-izgara, .kart-izgara, .gunluk-izgara, .surec, .deger-izgara, .alt-ic { grid-template-columns: 1fr; }
  .logo img { width: 130px; }
  .hero-btn .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }