/* ============================================================================
   İKON — İK Online Portal | Tanıtım Sitesi
   Renk paleti ve tipografi, portal_app/lib/theme.dart'taki Renk sınıfıyla
   BİREBİR aynı (mavi* tonları) — uygulamayla tutarlı marka kimliği.
   ============================================================================ */

:root {
  /* Mavi palet — theme.dart Renk.mavi* ile birebir */
  --mavi-900: #081b45;
  --mavi-800: #3d5985;
  --mavi-600: #0343e8;
  --mavi-400: #1e76ed;
  --mavi-300: #5b93fe;
  --mavi-200: #9dc0fe;
  --mavi-50: #eaf2fe;

  /* Nötr palet — theme.dart Renk.* ile birebir */
  --zemin: #fafaf7;
  --kart: #ffffff;
  --cizgi: #e3e1d9;
  --cizgi-koyu: #d3d1c7;
  --metin: #2c2c2a;
  --metin-2: #5f5e5a;
  --metin-3: #888780;
  --metin-4: #b4b2a9;
  --dolgu: #f1efe8;

  /* Vurgu (yeşil/amber) — theme.dart Renk.yesil600 / Renk.amber300 */
  --yesil-600: #0f6e56;
  --yesil-50: #e1f5ee;
  --amber-300: #ef9f27;
  --amber-50: #faeeda;

  --yaricap: 16px;
  --yaricap-kucuk: 10px;
  --golge: 0 4px 24px rgba(8, 27, 69, 0.06);
  --golge-buyuk: 0 20px 60px rgba(8, 27, 69, 0.12);
  --gecis: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--metin);
  background: var(--zemin);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--mavi-600);
  background: var(--mavi-50);
  border: 1px solid var(--mavi-200);
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.2px;
}

.baslik-2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  color: var(--mavi-900);
  letter-spacing: -0.5px;
  line-height: 1.18;
}

.altyazi {
  font-size: 16.5px;
  color: var(--metin-2);
  max-width: 620px;
  margin-top: 14px;
}

.bolum-baslik {
  text-align: center;
  margin: 0 auto 56px;
  max-width: 680px;
}

.bolum-baslik .altyazi {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Butonlar ---------- */
.buton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 15px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: transform var(--gecis), box-shadow var(--gecis), background var(--gecis);
  white-space: nowrap;
}

.buton-birincil {
  background: var(--mavi-600);
  color: #fff;
  box-shadow: 0 10px 30px rgba(3, 67, 232, 0.28);
}

.buton-birincil:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(3, 67, 232, 0.36);
}

.buton-ikincil {
  background: #fff;
  color: var(--mavi-900);
  border: 1.5px solid var(--cizgi);
}

.buton-ikincil:hover {
  border-color: var(--mavi-300);
  transform: translateY(-2px);
}

.buton-genis {
  width: 100%;
}

/* ============================================================================
   ÜST BAR
   ============================================================================ */
.ust-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--gecis), box-shadow var(--gecis), background var(--gecis);
}

.ust-bar.kaydirildi {
  border-bottom-color: var(--cizgi);
  box-shadow: 0 2px 20px rgba(8, 27, 69, 0.05);
  background: rgba(250, 250, 247, 0.92);
}

.ust-bar-ic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.marka {
  display: flex;
  align-items: center;
}

/* Tam logo lockup (ikon + "İKON" + "İK Online Portal" tek görselde,
   1040x358 ~2.9:1 oran, şeffaf zemin) — yüksekliğe göre oranlı genişlik. */
.marka-logo {
  height: 38px;
  width: auto;
}

.nav-linkler {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-linkler a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--metin-2);
  transition: color var(--gecis);
  position: relative;
  white-space: nowrap;
}

.nav-linkler a:hover {
  color: var(--mavi-600);
}

.ust-bar-eylemler {
  display: flex;
  align-items: center;
  gap: 14px;
}

.dil-degistirici {
  display: flex;
  align-items: center;
  background: var(--dolgu);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.dil-degistirici button {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--metin-3);
  padding: 6px 12px;
  border-radius: 999px;
  transition: background var(--gecis), color var(--gecis);
}

.dil-degistirici button.aktif {
  background: var(--mavi-600);
  color: #fff;
}

.menu-tetik {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-tetik span {
  width: 22px;
  height: 2px;
  background: var(--mavi-900);
  border-radius: 2px;
  transition: transform var(--gecis), opacity var(--gecis);
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero {
  position: relative;
  padding: 176px 0 120px;
  overflow: hidden;
  background:
    radial-gradient(600px 400px at 85% -10%, rgba(3, 67, 232, 0.10), transparent),
    linear-gradient(180deg, var(--mavi-50) 0%, var(--zemin) 62%);
}

.hero-ic {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-baslik {
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 800;
  color: var(--mavi-900);
  letter-spacing: -1.2px;
  line-height: 1.12;
  margin: 20px 0 20px;
}

.hero-baslik .vurgu {
  color: var(--mavi-600);
}

.hero-altyazi {
  font-size: 17.5px;
  color: var(--metin-2);
  max-width: 520px;
  line-height: 1.6;
}

.hero-eylemler {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-rozetler {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 44px;
}

.hero-rozet {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--metin-2);
}

.hero-rozet .nokta {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mavi-400);
  flex-shrink: 0;
}

/* --- Hero görsel: CSS ile kurulmuş soyut ürün önizlemesi (gerçek ekran
   görüntüsü YOK — KVKK: gerçek personel verisi barındırıyor, yerine markaya
   uygun, tamamen kurgusal bir arayüz illüstrasyonu) --- */
.hero-gorsel {
  position: relative;
  height: 460px;
}

.uygulama-cercevesi {
  position: absolute;
  width: 340px;
  right: 20px;
  top: 10px;
  background: var(--kart);
  border-radius: 22px;
  box-shadow: var(--golge-buyuk);
  border: 1px solid var(--cizgi);
  overflow: hidden;
  transform: rotate(2deg);
  animation: yuz 7s ease-in-out infinite;
}

.uygulama-ust {
  background: linear-gradient(135deg, var(--mavi-600), var(--mavi-900));
  padding: 22px 20px 34px;
  color: #fff;
}

.uygulama-ust small {
  opacity: 0.8;
  font-size: 11.5px;
  font-weight: 500;
}

.uygulama-ust h4 {
  font-size: 18px;
  font-weight: 800;
  margin-top: 4px;
}

.uygulama-govde {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: -20px;
}

.mini-kart {
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 6px 18px rgba(8, 27, 69, 0.05);
}

.mini-kart .ikon-kutu {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.mini-kart .metinler strong {
  display: block;
  font-size: 13px;
  color: var(--metin);
}

.mini-kart .metinler span {
  font-size: 11px;
  color: var(--metin-3);
}

.kayan-kart {
  position: absolute;
  background: var(--kart);
  border-radius: 14px;
  box-shadow: var(--golge-buyuk);
  border: 1px solid var(--cizgi);
  padding: 14px 16px;
  animation: yuz 6s ease-in-out infinite;
}

.kayan-kart.k1 {
  left: 0;
  top: 40px;
  animation-delay: 0.4s;
}

.kayan-kart.k2 {
  left: 6px;
  bottom: 30px;
  animation-delay: 1.2s;
}

.kayan-kart .buyuk-sayi {
  font-size: 22px;
  font-weight: 800;
  color: var(--mavi-900);
}

.kayan-kart .etiket {
  font-size: 11px;
  color: var(--metin-3);
  margin-top: 2px;
}

.onay-rozeti {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--yesil-50);
  color: var(--yesil-600);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-top: 6px;
}

@keyframes yuz {
  0%, 100% { transform: translateY(0) rotate(var(--r, 0deg)); }
  50% { transform: translateY(-12px) rotate(var(--r, 0deg)); }
}

.uygulama-cercevesi { --r: 2deg; }

/* ============================================================================
   GÜVEN ŞERİDİ
   ============================================================================ */
.guven-seridi {
  padding: 28px 0;
  border-top: 1px solid var(--cizgi);
  border-bottom: 1px solid var(--cizgi);
  background: var(--kart);
}

.guven-ic {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 36px;
}

.guven-oge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--metin-2);
}

.guven-oge .ikon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--mavi-50);
  color: var(--mavi-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* ============================================================================
   ÖZELLİKLER
   ============================================================================ */
.ozellikler-izgara {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.ozellik-kart {
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: var(--yaricap);
  padding: 30px 26px;
  transition: transform var(--gecis), box-shadow var(--gecis), border-color var(--gecis);
}

.ozellik-kart:hover {
  transform: translateY(-6px);
  box-shadow: var(--golge-buyuk);
  border-color: var(--mavi-200);
}

.ozellik-ikon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.ozellik-kart h3 {
  font-size: 17.5px;
  font-weight: 700;
  color: var(--mavi-900);
  margin-bottom: 9px;
  letter-spacing: -0.2px;
}

.ozellik-kart p {
  font-size: 14.5px;
  color: var(--metin-2);
  line-height: 1.6;
}

/* Farklı ikon renkleri — özellik kartları arasında görsel çeşitlilik */
.renk-mavi { background: var(--mavi-50); color: var(--mavi-600); }
.renk-yesil { background: var(--yesil-50); color: var(--yesil-600); }
.renk-amber { background: var(--amber-50); color: var(--amber-300); }

/* ============================================================================
   NEDEN İKON
   ============================================================================ */
.neden-bolum {
  background: var(--mavi-900);
  color: #fff;
  border-radius: 28px;
  margin: 0 24px;
  padding: 76px 56px;
  position: relative;
  overflow: hidden;
}

.neden-bolum::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 147, 254, 0.25), transparent 70%);
  right: -160px;
  top: -160px;
}

.neden-ic {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.neden-bolum .eyebrow {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--mavi-200);
}

.neden-bolum .baslik-2 {
  color: #fff;
  margin-top: 16px;
}

.neden-bolum .altyazi {
  color: rgba(255, 255, 255, 0.72);
}

.neden-liste {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.neden-madde {
  display: flex;
  gap: 18px;
}

.neden-madde .no {
  font-size: 13px;
  font-weight: 800;
  color: var(--mavi-900);
  background: #fff;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.neden-madde h4 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 6px;
}

.neden-madde p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.6;
}

/* ============================================================================
   NASIL ÇALIŞIR
   ============================================================================ */
.adimlar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.adimlar::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--cizgi-koyu) 0 8px, transparent 8px 16px);
  z-index: 0;
}

.adim {
  position: relative;
  z-index: 1;
  text-align: center;
}

.adim .no-daire {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--mavi-600);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  box-shadow: 0 10px 26px rgba(3, 67, 232, 0.3);
}

.adim h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--mavi-900);
  margin-bottom: 8px;
}

.adim p {
  font-size: 14px;
  color: var(--metin-2);
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================================================
   EKRAN GÖRÜNTÜLERİ (soyut illüstrasyon)
   ============================================================================ */
.gosterim {
  background: var(--kart);
}

.tarayici-cercevesi {
  max-width: 920px;
  margin: 0 auto;
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: 18px;
  box-shadow: var(--golge-buyuk);
  overflow: hidden;
}

.tarayici-ust {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  background: var(--dolgu);
  border-bottom: 1px solid var(--cizgi);
}

.tarayici-ust .nokta {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cizgi-koyu);
}

.tarayici-adres {
  margin-left: 12px;
  font-size: 12px;
  color: var(--metin-3);
  background: #fff;
  border: 1px solid var(--cizgi);
  border-radius: 999px;
  padding: 5px 14px;
  flex: 1;
  max-width: 320px;
}

.tarayici-govde {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 380px;
}

.sahte-yan-menu {
  background: var(--zemin);
  border-right: 1px solid var(--cizgi);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sahte-menu-oge {
  height: 34px;
  border-radius: 9px;
  background: var(--dolgu);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
  color: var(--metin-3);
  font-weight: 600;
}

.sahte-menu-oge.aktif {
  background: var(--mavi-600);
  color: #fff;
}

.sahte-icerik {
  padding: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-content: start;
}

.sahte-metrik {
  grid-column: span 1;
  background: var(--zemin);
  border: 1px solid var(--cizgi);
  border-radius: 12px;
  padding: 16px;
}

.sahte-metrik .buyuk-sayi {
  font-size: 22px;
  font-weight: 800;
  color: var(--mavi-900);
}

.sahte-metrik .etiket {
  font-size: 11.5px;
  color: var(--metin-3);
  margin-top: 4px;
}

.sahte-liste {
  grid-column: span 3;
  background: var(--zemin);
  border: 1px solid var(--cizgi);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sahte-satir {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sahte-satir .top {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--mavi-50);
  flex-shrink: 0;
}

.sahte-satir .cubuklar {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sahte-satir .cubuk {
  height: 8px;
  border-radius: 4px;
  background: var(--cizgi);
}

.sahte-satir .cubuk.kisa {
  width: 40%;
}

.sahte-satir .rozet {
  width: 58px;
  height: 20px;
  border-radius: 999px;
  background: var(--yesil-50);
  flex-shrink: 0;
}

/* ---------- Sekmeli gerçek ekran görüntüsü vitrini ---------- */
.gosterim-sekmeler {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 880px;
  margin: 36px auto 44px;
}

.gosterim-sekme {
  font-family: inherit;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--cizgi);
  background: var(--kart);
  font-size: 13px;
  font-weight: 600;
  color: var(--metin-2);
  cursor: pointer;
  transition: var(--gecis);
}

.gosterim-sekme:hover {
  border-color: var(--mavi-300);
  color: var(--mavi-600);
}

.gosterim-sekme.aktif {
  background: var(--mavi-600);
  border-color: var(--mavi-600);
  color: #fff;
}

.gosterim-vitrin {
  max-width: 1040px;
  margin: 0 auto;
}

.gosterim-panel {
  display: none;
  align-items: flex-end;
  justify-content: center;
  gap: 32px;
}

.gosterim-panel.aktif {
  display: flex;
}

.gosterim-panel .tarayici-cercevesi {
  flex: 1 1 680px;
  max-width: 760px;
  margin: 0;
}

.gosterim-panel .tarayici-govde-resim {
  line-height: 0;
  background: var(--zemin);
}

.gosterim-panel .tarayici-govde-resim img {
  width: 100%;
  display: block;
}

.telefon-cercevesi {
  flex: 0 0 200px;
  max-width: 200px;
  border: 7px solid #10151f;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--golge-buyuk);
  background: #10151f;
  line-height: 0;
}

.telefon-cercevesi img {
  width: 100%;
  display: block;
}

.gosterim-not {
  text-align: center;
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--metin-3);
}

/* ============================================================================
   FİYATLANDIRMA
   ============================================================================ */
.fiyat-katmanlar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  max-width: 1040px;
  margin: 0 auto;
}

.fiyat-katman {
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: var(--yaricap);
  padding: 24px 18px;
  text-align: center;
  flex: 1 1 200px;
  transition: transform var(--gecis), box-shadow var(--gecis), border-color var(--gecis);
}

/* Katmanlar arasındaki "+" — kullanıcı arttıkça fiyatların birbirinin
   ÜZERİNE eklendiğini (kademeli/kümülatif model) görsel olarak anlatır,
   .fiyat-not-kademeli'deki "vergi dilimi gibi" açıklamasını pekiştirir. */
.fiyat-arti {
  flex: 0 0 auto;
  font-size: 22px;
  font-weight: 800;
  color: var(--mavi-300);
}

.fiyat-katman:hover {
  transform: translateY(-4px);
  box-shadow: var(--golge-buyuk);
  border-color: var(--mavi-200);
}

.fiyat-katman-araligi {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--metin-3);
  letter-spacing: 0.3px;
  margin-bottom: 10px;
}

.fiyat-katman-deger {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--mavi-900);
  letter-spacing: -0.5px;
}

.fiyat-katman-birim {
  display: block;
  font-size: 12.5px;
  color: var(--metin-2);
  margin-top: 4px;
}

.fiyat-not-kademeli {
  text-align: center;
  max-width: 620px;
  margin: 22px auto 0;
  font-size: 13.5px;
  color: var(--metin-3);
}

.fiyat-hesaplayici {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: 780px;
  margin: 44px auto 0;
  background: var(--mavi-50);
  border: 1px solid var(--mavi-200);
  border-radius: var(--yaricap);
  padding: 30px 34px;
}

.fiyat-hesaplayici-sol {
  flex: 1;
  min-width: 0;
}

.fiyat-hesaplayici-sol label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--mavi-900);
  margin-bottom: 12px;
}

.fiyat-input-satir {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

#kullaniciSayisi {
  width: 100px;
  font-size: 17px;
  font-weight: 700;
  color: var(--mavi-900);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--cizgi);
  background: #fff;
}

#kullaniciSayisi:focus {
  outline: none;
  border-color: var(--mavi-400);
}

.fiyat-input-etiket {
  font-size: 13.5px;
  color: var(--metin-2);
}

#kullaniciKaydirici {
  width: 100%;
  accent-color: var(--mavi-600);
}

.fiyat-hesaplayici-sag {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  flex-shrink: 0;
}

.fiyat-hesaplayici-etiket {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--metin-3);
}

#fiyatSonuc {
  font-size: 36px;
  font-weight: 800;
  color: var(--mavi-600);
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.fiyat-hesaplayici-kdv {
  font-size: 12px;
  color: var(--metin-3);
}

.fiyat-ilkay-satir {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--mavi-200);
  width: 100%;
}

.fiyat-ilkay-satir span {
  font-size: 12.5px;
  color: var(--metin-2);
  text-align: right;
}

.fiyat-ilkay-satir strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--mavi-900);
  white-space: nowrap;
}

.fiyat-kurulum {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 780px;
  margin: 22px auto 0;
  background: var(--amber-50);
  border: 1px solid var(--amber-300);
  border-radius: var(--yaricap-kucuk);
  padding: 18px 22px;
}

.fiyat-kurulum strong {
  display: block;
  font-size: 14.5px;
  color: var(--mavi-900);
  margin-bottom: 4px;
}

.fiyat-kurulum p {
  font-size: 13.5px;
  color: var(--metin-2);
  line-height: 1.55;
}

.fiyat-cta {
  text-align: center;
  margin-top: 36px;
}

/* ============================================================================
   SSS (AKORDEON)
   ============================================================================ */
.sss-liste {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sss-oge {
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color var(--gecis);
}

.sss-oge.acik {
  border-color: var(--mavi-200);
}

.sss-soru {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 22px;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mavi-900);
  text-align: left;
}

.sss-ok {
  flex-shrink: 0;
  transform: rotate(90deg);
  transition: transform var(--gecis);
  color: var(--mavi-600);
}

.sss-oge.acik .sss-ok {
  transform: rotate(-90deg);
}

.sss-cevap {
  display: grid;
  /* Salt "0fr" taban boyutu "auto" (içerik bazlı) kabul ediyor, tam
     sıfıra ÇÖKMÜYOR — minmax(0, ...) tabanı sıfıra sabitliyor. */
  grid-template-rows: minmax(0, 0fr);
  transition: grid-template-rows 0.35s ease;
  overflow: hidden;
}

.sss-oge.acik .sss-cevap {
  grid-template-rows: minmax(0, 1fr);
}

.sss-cevap p {
  overflow: hidden;
  min-height: 0;
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: var(--metin-2);
  line-height: 1.6;
}

/* ============================================================================
   CTA / İLETİŞİM
   ============================================================================ */
.iletisim-ustyazi {
  text-align: center;
}

.iletisim-kartlar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 22px;
  max-width: 940px;
  margin: 52px auto 0;
}

.iletisim-kart {
  flex: 1 1 260px;
  max-width: 300px;
  background: var(--kart);
  border: 1px solid var(--cizgi);
  border-radius: var(--yaricap);
  padding: 30px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: transform var(--gecis), box-shadow var(--gecis), border-color var(--gecis);
}

.iletisim-kart:hover {
  transform: translateY(-4px);
  box-shadow: var(--golge-buyuk);
  border-color: var(--mavi-200);
}

.iletisim-kart .ikon-kutu {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--mavi-50);
  color: var(--mavi-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.iletisim-kart .etiket {
  font-size: 12.5px;
  color: var(--metin-3);
  font-weight: 600;
  margin-bottom: 3px;
}

.iletisim-kart .deger {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--mavi-900);
  word-break: break-word;
}

.iletisim-cta {
  text-align: center;
  margin-top: 40px;
}

/* WhatsApp'ın kendi resmi yeşili — markanın mavisinden BİLİNÇLİ sapma,
   WhatsApp'ı anında tanınır kılmak için (tanıdık renk = güven). */
.ikon-kutu-whatsapp {
  background: #e7faf0;
  color: #25d366;
}

/* Instagram/LinkedIn — WhatsApp'taki AYNI ilke: markanın kendi resmi rengi,
   anında tanınır olsun diye siteninkinden bilinçli sapma. */
.ikon-kutu-instagram {
  background: linear-gradient(135deg, #f9ce34 0%, #ee2a7b 55%, #6228d7 100%);
  color: #fff;
}

.ikon-kutu-linkedin {
  background: #0a66c2;
  color: #fff;
}

/* ---------- Sayfa boyunca sabit sosyal medya butonları (WhatsApp'ın üstünde) ----------
   WhatsApp butonuyla BİREBİR aynı boyut/nabız mantığı (.whatsapp-yuzen/.whatsapp-halka'nın
   kopyası) — sadece marka rengi ve konumu farklı. */
.sosyal-yuzen {
  position: fixed;
  right: 26px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 200;
}

.sosyal-yuzen-buton {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--gecis), box-shadow var(--gecis);
}

.sosyal-yuzen-buton:hover {
  transform: scale(1.08);
}

.sosyal-instagram {
  background: linear-gradient(135deg, #f9ce34 0%, #ee2a7b 55%, #6228d7 100%);
  box-shadow: 0 12px 28px rgba(238, 42, 123, 0.42);
}

.sosyal-linkedin {
  background: #0a66c2;
  box-shadow: 0 12px 28px rgba(10, 102, 194, 0.42);
}

.sosyal-halka {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  opacity: 0.55;
  animation: nabiz 2.4s ease-out infinite;
  z-index: -1;
}

.sosyal-instagram .sosyal-halka {
  background: linear-gradient(135deg, #f9ce34 0%, #ee2a7b 55%, #6228d7 100%);
}

.sosyal-linkedin .sosyal-halka {
  background: #0a66c2;
}

@media (max-width: 760px) {
  .sosyal-yuzen {
    right: 16px;
    bottom: 82px;
    gap: 10px;
  }
  .sosyal-yuzen-buton {
    width: 52px;
    height: 52px;
  }
}

/* ---------- Sayfa boyunca sabit WhatsApp butonu ---------- */
.whatsapp-yuzen {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.42);
  z-index: 200;
  transition: transform var(--gecis), box-shadow var(--gecis);
}

.whatsapp-yuzen:hover {
  transform: scale(1.08);
  box-shadow: 0 16px 34px rgba(37, 211, 102, 0.52);
}

.whatsapp-halka {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25d366;
  opacity: 0.55;
  animation: nabiz 2.4s ease-out infinite;
  z-index: -1;
}

@keyframes nabiz {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.7); opacity: 0; }
}

@media (max-width: 760px) {
  .whatsapp-yuzen {
    width: 52px;
    height: 52px;
    right: 16px;
    bottom: 16px;
  }
}

/* ============================================================================
   FOOTER
   ============================================================================ */
footer {
  background: var(--mavi-900);
  color: rgba(255, 255, 255, 0.6);
  padding: 56px 0 28px;
}

.footer-ust {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-marka {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-sosyal {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-sosyal a {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--gecis), color var(--gecis), transform var(--gecis);
}

.footer-sosyal a:hover {
  background: var(--mavi-600);
  color: #fff;
  transform: translateY(-2px);
}

/* logoikon.png şeffaf zeminli — koyu lacivert footer'da da doğrudan kullanılabiliyor. */
.footer-logo {
  height: 34px;
  width: auto;
  /* Logonun koyu lacivert yazısı (#081b45'e yakın) koyu footer zemininde
     (var(--mavi-900)) neredeyse hiç kontrast kurmuyordu — beyaza çeviriyoruz. */
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.footer-linkler {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-sutun h5 {
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 14px;
}

.footer-sutun a {
  display: block;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 10px;
  transition: color var(--gecis);
}

.footer-sutun a:hover {
  color: #fff;
}

.footer-alt {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-size: 12.5px;
}

/* ============================================================================
   SCROLL-REVEAL
   ============================================================================ */
.belir {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.belir.gorunur {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 980px) {
  .hero-ic {
    grid-template-columns: 1fr;
  }
  .hero-gorsel {
    height: 380px;
    order: -1;
  }
  .neden-ic {
    grid-template-columns: 1fr;
  }
  .ozellikler-izgara {
    grid-template-columns: repeat(2, 1fr);
  }
  .adimlar {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .adimlar::before {
    display: none;
  }
  .tarayici-govde {
    grid-template-columns: 1fr;
  }
  .sahte-yan-menu {
    display: none;
  }
  .gosterim-panel {
    flex-direction: column;
    align-items: center;
  }
  .gosterim-panel .tarayici-cercevesi {
    flex-basis: auto;
    width: 100%;
  }
  .telefon-cercevesi {
    flex-basis: auto;
    width: 220px;
  }
  /* 4 katman kartı + 3 "+" bir satıra tam sığmadığı ara genişliklerde
     (ör. tablet) 3+1 diye tuhaf bölünmesin diye direkt tek sütuna düşer —
     bkz. .fiyat-katmanlar. */
  .fiyat-katman {
    flex-basis: 100%;
  }
  .fiyat-arti {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 760px) {
  section {
    padding: 64px 0;
  }
  .nav-linkler {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--kart);
    border-bottom: 1px solid var(--cizgi);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 18px;
    transform: translateY(-130%);
    opacity: 0;
    transition: transform var(--gecis), opacity var(--gecis);
    pointer-events: none;
  }
  .nav-linkler.acik {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: 0 16px 30px rgba(8, 27, 69, 0.08);
  }
  .nav-linkler a {
    padding: 12px 0;
    width: 100%;
    border-bottom: 1px solid var(--cizgi);
  }
  .ust-bar-eylemler .buton-ikincil {
    display: none;
  }
  .menu-tetik {
    display: flex;
  }
  .hero {
    padding: 132px 0 72px;
  }
  .ozellikler-izgara {
    grid-template-columns: 1fr;
  }
  .neden-bolum {
    margin: 0 12px;
    padding: 48px 24px;
    border-radius: 20px;
  }
  .iletisim-kart {
    flex-basis: 100%;
    max-width: 100%;
  }
  .footer-ust {
    flex-direction: column;
  }
  .footer-alt {
    flex-direction: column;
    text-align: center;
  }
  .sahte-icerik {
    grid-template-columns: 1fr 1fr;
  }
  .gosterim-sekmeler {
    gap: 6px;
  }
  .gosterim-sekme {
    padding: 8px 14px;
    font-size: 12.5px;
  }
  .telefon-cercevesi {
    width: 170px;
  }
  .fiyat-hesaplayici {
    flex-direction: column;
    align-items: stretch;
    padding: 26px 22px;
  }
  .fiyat-hesaplayici-sag {
    align-items: flex-start;
    text-align: left;
    margin-top: 22px;
  }
  .fiyat-ilkay-satir {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .fiyat-ilkay-satir span {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .hero-eylemler {
    flex-direction: column;
    align-items: stretch;
  }
  .kayan-kart {
    display: none;
  }
}