:root {
  --lacivert: #0f1f38; --lacivert-2: #16305a; --mavi: #2563eb; --yesil: #15803d; --yesil-acik: #22c55e;
  --kirmizi: #dc2626; --sari: #d97706; --yazi: #172033; --soluk: #5b6678; --cizgi: #e4e9f1; --bg-acik: #f5f7fb;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--yazi); font-size: 16px; line-height: 1.6; background: #fff; }
a { color: var(--mavi); }
.gizli { display: none !important; }
.kap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.kap.dar { max-width: 880px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: 19px; }

/* düğmeler */
.dugme { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--yesil); color: #fff; text-decoration: none; font-weight: 700; border: 0; border-radius: 12px; padding: 12px 20px; font-size: 16px; cursor: pointer; font-family: inherit; transition: transform .15s, box-shadow .15s, background .15s; }
.dugme:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(21, 128, 61, .3); }
.dugme.buyuk { padding: 16px 26px; font-size: 17px; }
.dugme.kucuk { padding: 9px 16px; font-size: 15px; }
.dugme.tam { width: 100%; }
.dugme.ikincil { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.dugme.ikincil:hover { background: rgba(255,255,255,.18); box-shadow: none; }
.dugme.ikincil-acik { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); margin-top: 18px; }
.dugme:disabled { opacity: .6; cursor: default; transform: none; }

/* üst menü */
.ust { position: sticky; top: 0; z-index: 20; background: rgba(15, 31, 56, .96); backdrop-filter: blur(8px); }
.ust-ic { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.logo-ikon { font-size: 22px; }
.menu { display: flex; align-items: center; gap: 24px; }
.menu a { color: #cbd6ea; text-decoration: none; font-weight: 600; font-size: 15px; }
.menu a:hover { color: #fff; }
.menu a.dugme { color: #fff; }
.menu-ac { display: none; background: none; border: 0; color: #fff; font-size: 26px; cursor: pointer; }

/* hero */
.hero { background: radial-gradient(1200px 500px at 80% -10%, #1f4b8f 0%, transparent 60%), linear-gradient(180deg, var(--lacivert) 0%, var(--lacivert-2) 100%); color: #fff; overflow: hidden; }
.hero-ic { display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: center; padding-top: 64px; padding-bottom: 80px; }
.etiket { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--yesil-acik); background: rgba(34, 197, 94, .12); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
.etiket.koyu { color: var(--yesil); background: #e8f7ee; }
.hero h1 { font-size: clamp(34px, 4.4vw, 52px); font-weight: 800; }
.hero h1 span { color: var(--yesil-acik); }
.hero-alt { font-size: 19px; color: #cbd6ea; margin: 20px 0 28px; max-width: 560px; }
.hero-dugmeler { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-maddeler { list-style: none; padding: 0; margin: 22px 0 0; display: flex; gap: 20px; flex-wrap: wrap; color: #aebbd2; font-size: 14px; }
.hero-maddeler li::before { content: "✓ "; color: var(--yesil-acik); font-weight: 700; }

/* telefon mockup */
.hero-gorsel { position: relative; height: 520px; }
.telefon { position: absolute; left: 50%; top: 0; transform: translateX(-50%) rotate(-3deg); width: 250px; height: 510px; background: #0b1424; border-radius: 40px; padding: 12px; box-shadow: 0 40px 80px rgba(0,0,0,.45), inset 0 0 0 2px #2a3a57; }
.telefon-ust { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 80px; height: 20px; background: #0b1424; border-radius: 12px; z-index: 2; }
.tel-ekran { background: #f3f5f9; height: 100%; border-radius: 30px; overflow: hidden; color: var(--yazi); font-size: 12px; }
.tel-bas { background: #1f3a5f; color: #fff; padding: 36px 14px 12px; font-weight: 700; display: flex; gap: 4px; }
.tel-ad { margin-left: auto; font-weight: 400; opacity: .8; }
.tel-kart { background: #fff; margin: 10px; border-radius: 12px; padding: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.tel-kart.merkez { text-align: center; }
.tel-isaret { width: 58px; height: 58px; border-radius: 50%; background: var(--yesil); color: #fff; font-size: 32px; display: flex; align-items: center; justify-content: center; margin: 4px auto 8px; }
.tel-nokta { font-weight: 800; font-size: 16px; }
.tel-soluk { color: var(--soluk); font-size: 11px; }
.tel-bar { height: 7px; background: var(--cizgi); border-radius: 6px; margin: 8px 0 5px; overflow: hidden; }
.tel-bar i { display: block; height: 100%; background: var(--yesil); }
.tel-panik { margin: 10px; background: var(--kirmizi); color: #fff; font-weight: 800; text-align: center; padding: 12px; border-radius: 10px; }
.yuzen { position: absolute; background: #fff; color: var(--yazi); border-radius: 14px; box-shadow: 0 20px 40px rgba(0,0,0,.3); padding: 14px 16px; font-size: 13px; }
.yuzen-1 { right: 0; top: 70px; width: 190px; border-left: 5px solid var(--yesil); }
.yuzen-2 { left: 0; bottom: 70px; display: flex; align-items: center; gap: 4px; border-left: 5px solid var(--kirmizi); }
.yz-bas { font-weight: 700; display: flex; align-items: center; gap: 6px; }
.yz-soluk { color: var(--soluk); font-size: 12px; }
.yz-buyuk { font-size: 28px; font-weight: 800; color: var(--yesil); line-height: 1.1; }
.nokta { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.nokta.yesil { background: var(--yesil); } .nokta.kirmizi { background: var(--kirmizi); margin-right: 4px; }

/* kimler */
.kimler { background: #0b1830; color: #93a3bf; font-weight: 600; font-size: 14px; }
.kimler .kap { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; padding-top: 16px; padding-bottom: 16px; }

/* bölümler */
.bolum { padding: 88px 0; }
.bolum.acik { background: var(--bg-acik); }
.bolum-bas { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.bolum-bas p { color: var(--soluk); font-size: 18px; margin: 14px 0 0; }

.adimlar { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adim { background: #fff; border: 1px solid var(--cizgi); border-radius: 18px; padding: 28px; }
.adim-no { width: 44px; height: 44px; border-radius: 12px; background: var(--lacivert); color: #fff; font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.adim p, .ozellik p { color: var(--soluk); margin: 8px 0 0; }

.ozellikler { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ozellik { background: #fff; border-radius: 16px; padding: 24px; border: 1px solid var(--cizgi); transition: transform .15s, box-shadow .15s; }
.ozellik:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15, 31, 56, .08); }
.oz-ikon { font-size: 28px; margin-bottom: 10px; }

.iki-kolon { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.kitle { border-radius: 20px; padding: 32px; background: linear-gradient(160deg, #f5f8ff, #fff); border: 1px solid var(--cizgi); }
.kitle-ikon { font-size: 34px; margin-bottom: 8px; }
.kitle ul { padding: 0; list-style: none; margin: 14px 0 0; }
.kitle li { padding: 7px 0 7px 28px; position: relative; }
.kitle li::before { content: "✓"; position: absolute; left: 0; top: 7px; color: var(--yesil); font-weight: 800; }

.tablo-kap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--cizgi); background: #fff; }
.karsilastir { width: 100%; border-collapse: collapse; font-size: 15px; }
.karsilastir th, .karsilastir td { padding: 14px 16px; border-bottom: 1px solid var(--cizgi); text-align: left; }
.karsilastir tr:last-child td { border-bottom: 0; }
.karsilastir th { background: #f8fafc; font-size: 14px; }
.karsilastir .biz { background: #f0fbf4; font-weight: 600; }
.karsilastir th.biz { color: var(--yesil); }
.karsilastir .evet::before { content: "✓ "; color: var(--yesil); }
.karsilastir .hayir { color: var(--soluk); }
.karsilastir .hayir::before { content: "✕ "; color: var(--kirmizi); }

/* fiyatlar */
.donem { display: inline-flex; background: var(--bg-acik); border-radius: 12px; padding: 4px; margin-top: 22px; border: 1px solid var(--cizgi); }
.donem-btn { border: 0; background: none; padding: 9px 18px; border-radius: 9px; font-weight: 700; font-size: 15px; cursor: pointer; color: var(--soluk); font-family: inherit; }
.donem-btn.secili { background: #fff; color: var(--yazi); box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.donem-btn em { font-style: normal; color: var(--yesil); font-size: 12px; margin-left: 4px; }
.paketler { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; max-width: 1000px; margin: 0 auto; }
.paket { border: 1px solid var(--cizgi); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; background: #fff; position: relative; }
.paket.onerilen { border: 2px solid var(--yesil); box-shadow: 0 20px 40px rgba(22, 163, 74, .12); }
.paket-rozet { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--yesil); color: #fff; font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 999px; }
.paket-ad { font-weight: 800; font-size: 20px; margin: 0; }
.paket-aciklama { color: var(--soluk); font-size: 14px; min-height: 44px; margin: 6px 0 14px; }
.paket-fiyat { font-size: 44px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.paket-fiyat small { font-size: 16px; color: var(--soluk); font-weight: 600; letter-spacing: 0; }
.paket-alt { color: var(--soluk); font-size: 13px; min-height: 20px; margin-top: 6px; }
.paket ul { list-style: none; padding: 0; margin: 20px 0 24px; flex: 1; }
.paket li { padding: 6px 0 6px 26px; position: relative; font-size: 15px; }
.paket li::before { content: "✓"; position: absolute; left: 0; color: var(--yesil); font-weight: 800; }
.paket .dugme { width: 100%; }
.paket:not(.onerilen) .dugme { background: var(--lacivert); }
.paket:not(.onerilen) .dugme:hover { box-shadow: 0 8px 20px rgba(15, 31, 56, .25); }
.fiyat-not { text-align: center; color: var(--soluk); font-size: 14px; margin-top: 28px; }
.yukleniyor { text-align: center; color: var(--soluk); grid-column: 1 / -1; }

/* sss */
.sss details { background: #fff; border: 1px solid var(--cizgi); border-radius: 14px; margin-bottom: 10px; padding: 0 20px; }
.sss summary { cursor: pointer; font-weight: 700; padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.sss summary::-webkit-details-marker { display: none; }
.sss summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--soluk); }
.sss details[open] summary::after { content: "–"; }
.sss details p { margin: 0 0 18px; color: var(--soluk); }

/* iletişim */
.koyu-bolum { background: linear-gradient(180deg, var(--lacivert), var(--lacivert-2)); color: #fff; }
.iletisim-ic { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.iletisim-metin p { color: #cbd6ea; font-size: 18px; }
.iletisim-liste { list-style: none; padding: 0; margin: 20px 0 0; }
.iletisim-liste li { padding: 6px 0; }
.iletisim-liste a { color: #fff; font-weight: 600; text-decoration: none; }
.form { background: #fff; color: var(--yazi); border-radius: 20px; padding: 28px; box-shadow: 0 30px 60px rgba(0,0,0,.25); }
.form label { display: block; font-size: 14px; font-weight: 600; color: var(--soluk); margin-bottom: 14px; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 6px; font-size: 16px; padding: 12px; border: 1px solid var(--cizgi); border-radius: 10px; font-family: inherit; color: var(--yazi); background: #fff; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--mavi); }
.form-ikili { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form .onay { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.form .onay input { width: auto; margin-top: 4px; }
.form-hata { color: var(--kirmizi); min-height: 20px; font-size: 14px; margin-bottom: 6px; }
.form-tamam { background: #e8f7ee; color: #14532d; padding: 16px; border-radius: 12px; font-weight: 600; text-align: center; }

/* alt */
.alt { background: #0b1830; color: #cbd6ea; padding: 48px 0 24px; }
.alt-ic { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.alt-ic a { display: block; color: #cbd6ea; text-decoration: none; padding: 4px 0; font-size: 14px; }
.alt-ic a:hover { color: #fff; }
.alt-baslik { color: #fff; font-weight: 700; margin-bottom: 8px; }
.alt-marka p { margin: 8px 0; }
.alt-marka .logo { display: flex; }
.alt-linkler { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.alt-linkler a { color: #cbd6ea; text-decoration: none; }
.alt-soluk { color: #7f8ea8; font-size: 14px; }
.alt-telif { margin-top: 28px; padding-top: 20px; border-top: 1px solid #1d2c47; }

/* çözümler */
.cozumler { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.cozum { display: flex; flex-direction: column; text-decoration: none; color: var(--yazi); border: 1px solid var(--cizgi); border-radius: 16px; padding: 22px; background: #fff; transition: transform .15s, box-shadow .15s, border-color .15s; }
.cozum:hover { transform: translateY(-2px); border-color: var(--yesil); box-shadow: 0 12px 28px rgba(15, 31, 56, .08); }
.cozum h3 { font-size: 17px; }
.cozum p { color: var(--soluk); font-size: 14px; flex: 1; margin: 8px 0 12px; }
.cozum span { color: var(--yesil); font-weight: 700; font-size: 14px; }

/* alt sayfalar */
.sayfa-bas { background: linear-gradient(180deg, var(--lacivert), var(--lacivert-2)); color: #fff; padding: 56px 0 64px; }
.sayfa-bas h1 { font-size: clamp(32px, 4.5vw, 48px); font-weight: 800; margin: 10px 0 14px; }
.sayfa-ozet { font-size: 19px; color: #cbd6ea; margin: 0 0 26px; }
.kirinti { font-size: 14px; color: #93a3bf; }
.kirinti a { color: #cbd6ea; text-decoration: none; }
.icerik h2 { font-size: 26px; margin: 40px 0 12px; }
.icerik h2:first-child { margin-top: 0; }
.icerik p, .icerik li { font-size: 17px; color: #2b3547; }
.icerik ul, .icerik ol { padding-left: 22px; }
.icerik li { margin: 6px 0; }
.icerik table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; display: block; overflow-x: auto; }
.icerik th, .icerik td { border: 1px solid var(--cizgi); padding: 10px 12px; text-align: left; }
.icerik th { background: var(--bg-acik); }
.icerik .sss { margin-top: 12px; }
.cta-kutu { margin: 48px 0 8px; background: linear-gradient(135deg, #e8f7ee, #eef4ff); border-radius: 20px; padding: 28px; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.cta-kutu h2 { margin: 0 0 6px !important; font-size: 22px; }
.cta-kutu p { margin: 0; }
.dugme.ikincil-koyu { background: #fff; color: var(--lacivert); border: 1px solid var(--cizgi); }
.ilgili { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.ilgili a { display: block; padding: 14px 16px; border: 1px solid var(--cizgi); border-radius: 12px; text-decoration: none; color: var(--yazi); font-weight: 600; }
.ilgili a:hover { border-color: var(--yesil); color: var(--yesil); }

/* whatsapp */
.whatsapp { position: fixed; right: 20px; bottom: 20px; width: 58px; height: 58px; border-radius: 50%; background: #25d366; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 25px rgba(0,0,0,.25); z-index: 30; transition: transform .15s; }
.whatsapp:hover { transform: scale(1.07); }

/* mobil */
@media (max-width: 960px) {
  .hero-ic, .iletisim-ic { grid-template-columns: 1fr; }
  .hero-gorsel { height: 470px; max-width: 420px; margin: 0 auto; width: 100%; }
  .telefon { width: 230px; height: 460px; }
  .adimlar, .ozellikler { grid-template-columns: 1fr 1fr; }
  .iki-kolon { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .menu { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--lacivert); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; }
  .menu.acik { display: flex; }
  .menu a { padding: 12px 0; border-bottom: 1px solid #1d2c47; }
  .menu a.dugme { margin-top: 12px; border: 0; }
  .menu-ac { display: block; }
  .bolum { padding: 64px 0; }
  .adimlar, .ozellikler, .form-ikili { grid-template-columns: 1fr; }
  .alt-ic { grid-template-columns: 1fr 1fr; }
  .alt-marka { grid-column: 1 / -1; }
  .yuzen-1 { width: 160px; right: -4px; }
  .yuzen-2 { left: -4px; font-size: 12px; }
  .hero-ic { padding-top: 40px; padding-bottom: 56px; }
}
.alt-marka a { display: inline; padding: 0; }
section[id] { scroll-margin-top: 76px; }