/* iEksper tanıtım sitesi — ortak stil (2026-10-03, sade yeniden tasarım).
   Düzen: tek kolon, 1120px azami genişlik, bol boşluk; başlıklar serif, gövde sans.
   Renkler Google paleti (Evren, 2026-10-03): beyaz zemin, #202124 metin, Google mavisi vurgu, sarı "i". */
:root {
  --kagit: #ffffff;
  --kart: #ffffff;
  --zemin2: #f8f9fa;
  --murekkep: #202124;
  --soluk: #5f6368;
  --cizgi: #dadce0;
  --mavi: #1a73e8;
  --mavi-koyu: #1557b0;
  --sari: #fbbc05;
  --serif: "Source Serif 4", "Georgia", "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --kagit: #202124;
    --kart: #292a2d;
    --zemin2: #303134;
    --murekkep: #e8eaed;
    --soluk: #9aa0a6;
    --cizgi: #3c4043;
    --mavi: #8ab4f8;
    --mavi-koyu: #aecbfa;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --kagit: #202124;
  --kart: #292a2d;
  --zemin2: #303134;
  --murekkep: #e8eaed;
  --soluk: #9aa0a6;
  --cizgi: #3c4043;
  --mavi: #8ab4f8;
  --mavi-koyu: #aecbfa;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--kagit);
  color: var(--murekkep);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--mavi); outline-offset: 3px; border-radius: 6px; }
img, video { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
p { margin: 0; }

.sayfa { max-width: 1120px; margin: 0 auto; padding-inline: 24px; }

/* "iEksper" yazımı: i daima sarı */
.marka b { color: var(--sari); font-weight: inherit; }

/* ---- üst bant ---- */
.ust {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--kagit) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}
.ust .sayfa { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.logo img { width: 30px; height: 30px; }
.menu { display: flex; gap: 22px; margin-left: auto; font-size: 14px; color: var(--soluk); }
.menu a:hover, .menu a[aria-current="page"] { color: var(--murekkep); }
.ust-eylem { display: flex; gap: 10px; align-items: center; }
.dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: 10px; font-weight: 600; font-size: 14px;
  border: 1px solid var(--cizgi); background: var(--kart); color: var(--murekkep); cursor: pointer;
}
.dugme--koyu { background: var(--mavi); color: #fff; border-color: var(--mavi); }
.dugme--mavi { background: var(--mavi); color: #fff; border-color: var(--mavi); }
.dugme--buyuk { height: 48px; padding: 0 24px; font-size: 15px; border-radius: 12px; }
.dugme:hover { filter: brightness(0.96); }
.menu-ac { display: none; }

/* ---- açılış ---- */
.acilis { padding-block: 56px 40px; }
.acilis .sayfa { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.acilis h1 { font-size: clamp(36px, 4.6vw, 54px); line-height: 1.1; }
.acilis .alt { margin-top: 18px; font-size: 18px; color: var(--soluk); max-width: 36ch; }
.acilis .alt + .alt { margin-top: 8px; }
.acilis .alt strong { color: var(--murekkep); font-weight: 600; }
.baslat {
  margin-top: 28px; padding: 20px; border-radius: 16px; background: var(--zemin2); border: 1px solid var(--cizgi);
  box-shadow: 0 1px 2px rgba(20, 20, 19, 0.04), 0 16px 40px rgba(20, 20, 19, 0.06);
  display: flex; flex-direction: column; gap: 10px; max-width: 380px;
}
.baslat .not { font-size: 12px; color: var(--soluk); text-align: center; }
.video-cerceve {
  border-radius: 22px; overflow: hidden; background: var(--kart); border: 1px solid var(--cizgi);
  box-shadow: 0 30px 80px rgba(20, 20, 19, 0.12); aspect-ratio: 1080 / 1238; max-width: 100%;
}
.video-cerceve video { width: 100%; height: 100%; object-fit: cover; }
.video-cerceve--kucuk { max-width: 420px; }

/* ---- bölümler ---- */
.bolum { padding-block: 72px; }
.bolum h2 { font-size: clamp(28px, 3.2vw, 36px); text-align: center; }
.bolum .ozet { text-align: center; color: var(--soluk); margin-top: 10px; font-size: 17px; }

/* iki kapı */
.etiket { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mavi); margin-bottom: 10px; }
.etiket--orta { text-align: center; }
.kapilar { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 22px; margin-top: 36px; }
.kapi { background: var(--zemin2); border: 1px solid var(--cizgi); border-radius: 22px; padding: 32px; display: flex; flex-direction: column; gap: 14px; }
.kapi--firma { border-color: var(--mavi); }
.kapi h3 { font-size: clamp(24px, 2.6vw, 30px); line-height: 1.2; }
.kapi-ozet { color: var(--soluk); font-size: 16px; }
.kapi ul { margin: 6px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.kapi li { position: relative; padding-left: 26px; }
.kapi li strong { font-weight: 600; color: var(--murekkep); }
.kapi li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--mavi); font-weight: 700; }
.fiyat-satiri { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--cizgi); display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.fiyat-satiri .fiyat { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.fiyat-satiri .fiyat small { font-size: 14px; font-weight: 500; color: var(--soluk); }
.fiyat-not { font-size: 13px; color: var(--soluk); flex: 1 1 220px; }
.kapi-eylem { padding-top: 6px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.baglanti { color: var(--mavi); font-weight: 600; font-size: 14px; }

/* firma bölümü: video + rol bandı */
.bolum--firma { background: var(--zemin2); border-block: 1px solid var(--cizgi); }
.firma { display: grid; grid-template-columns: 380px 1fr; gap: 48px; align-items: center; margin-top: 40px; }
.roller { margin: 0; padding: 0; list-style: none; counter-reset: rol; display: flex; flex-direction: column; }
.roller li { counter-increment: rol; display: grid; grid-template-columns: 44px 1fr; gap: 4px 16px; padding: 18px 0; border-top: 1px solid var(--cizgi); }
.roller li::before { content: counter(rol); grid-row: 1 / span 2; width: 36px; height: 36px; border-radius: 18px; border: 1.5px solid var(--cizgi); color: var(--soluk); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 18px; }
.roller h3 { font-size: 22px; grid-column: 2; }
.roller p { grid-column: 2; color: var(--soluk); font-size: 15px; max-width: 56ch; }

/* planlar (fiyatlar sayfası) */
.planlar { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; max-width: 900px; margin: 28px auto 0; }
.plan { background: var(--zemin2); border: 1px solid var(--cizgi); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.plan--one { border-color: var(--mavi); box-shadow: 0 0 0 3px color-mix(in srgb, var(--mavi) 16%, transparent); }
.plan h3 { font-size: 26px; }
.plan .kim { color: var(--soluk); font-size: 14px; margin-top: 2px; }
.plan .fiyat { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.plan .fiyat small { font-size: 14px; font-weight: 500; color: var(--soluk); }
.plan .not { font-size: 13px; color: var(--soluk); }
.plan ul { margin: 6px 0 0; padding: 14px 0 0; list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: 14px; border-top: 1px solid var(--cizgi); }
.plan li { position: relative; padding-left: 22px; }
.plan li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--mavi); font-weight: 700; }
.plan .dugme { margin-top: 6px; }
.kredi { max-width: 900px; margin: 28px auto 0; display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px 40px; align-items: center; padding: 26px 28px; border: 1px solid var(--cizgi); border-radius: 18px; }
.kredi h3 { font-size: 22px; }
.kredi p { color: var(--soluk); font-size: 14px; margin-top: 6px; }
.kredi-kutular { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.kredi-kutular > div { background: var(--zemin2); border: 1px solid var(--cizgi); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 4px; align-items: center; }
.kredi-kutular .ne { font-size: 13px; color: var(--soluk); text-align: center; }
.kredi-kutular .tutar { font-size: 20px; font-weight: 700; }
.dipnot { text-align: center; font-size: 12px; color: var(--soluk); margin-top: 22px; }
.tip--vurgu { border-color: var(--mavi); background: var(--kart); }

/* SSS */
.sorular { max-width: 720px; margin: 28px auto 0; border-top: 1px solid var(--cizgi); }
.sorular details { border-bottom: 1px solid var(--cizgi); }
.sorular summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 4px; font-weight: 600; font-size: 15px;
}
.sorular summary::-webkit-details-marker { display: none; }
.sorular summary::after { content: "›"; font-size: 22px; color: var(--soluk); transition: transform 0.2s; }
.sorular details[open] summary::after { transform: rotate(90deg); }
.sorular p { padding: 0 4px 18px; color: var(--soluk); font-size: 15px; max-width: 65ch; }
.sorular-baglanti { text-align: center; margin-top: 20px; font-size: 14px; }
.sorular-baglanti a:not(.dugme) { color: var(--mavi); font-weight: 600; }
.sss-grup { max-width: 720px; margin: 40px auto 0; }
.sss-grup h2 { text-align: left; font-size: 24px; }

/* alt bilgi */
.alt-bilgi { border-top: 1px solid var(--cizgi); padding-block: 36px; font-size: 13px; color: var(--soluk); }
.alt-bilgi .sayfa { display: flex; flex-wrap: wrap; gap: 24px 40px; align-items: center; }
.alt-bilgi .logo { font-size: 18px; color: var(--murekkep); }
.alt-bilgi nav { display: flex; flex-wrap: wrap; gap: 18px; margin-left: auto; }
.alt-bilgi a:hover { color: var(--murekkep); }

/* ---- iç sayfalar: başlık + adımlar ---- */
.sayfa-basi { padding-block: 64px 24px; text-align: center; }
.adimlar + .sayfa-basi, .bolum + .sayfa-basi { padding-top: 40px; }
.sayfa-basi h1 { font-size: clamp(34px, 4.2vw, 48px); }
.sayfa-basi .ozet { color: var(--soluk); margin-top: 12px; font-size: 18px; }
.adimlar { display: flex; flex-direction: column; gap: 56px; padding-block: 32px 80px; }
.adim { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.adim:nth-child(even) .adim-video { order: -1; }
.adim h2 { text-align: left; font-size: clamp(26px, 3vw, 34px); }
.adim p { margin-top: 12px; color: var(--soluk); font-size: 17px; max-width: 46ch; }
.adim-video { border-radius: 18px; overflow: hidden; border: 1px solid var(--cizgi); background: var(--zemin2); aspect-ratio: 1080 / 1238; max-width: 100%; }
.adim-video video { width: 100%; height: 100%; object-fit: cover; }

/* üçlü blok (rapor motoru: okur/hesaplar/denetler; kurumsal temel) */
.uclu { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 36px; }
.uclu article { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 18px; padding: 26px; }
.uclu h3 { font-size: 24px; }
.uclu ul { margin: 14px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 15px; color: var(--soluk); }
.uclu li { position: relative; padding-left: 20px; }
.uclu li::before { content: "·"; position: absolute; left: 4px; top: -2px; font-size: 22px; color: var(--mavi); }
.bolum--firma .sorular-baglanti { margin-top: 28px; }

/* özellik ızgarası (kurumsal) */
.ozellik-izgara { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 36px; }
.ozellik-izgara > div { background: var(--kart); border: 1px solid var(--cizgi); border-radius: 16px; padding: 20px 22px; }
.ozellik-izgara h3 { font-family: var(--sans); font-weight: 600; font-size: 16px; letter-spacing: 0; }
.ozellik-izgara p { margin-top: 6px; font-size: 14px; color: var(--soluk); }
.sayfa-basi .etiket { margin-bottom: 14px; }

/* rapor tipleri */
.tipler { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; padding-block: 24px 80px; }
.tip { background: var(--zemin2); border: 1px solid var(--cizgi); border-radius: 18px; padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.tip h2 { text-align: left; font-size: 24px; }
.tip .ne { color: var(--soluk); font-size: 15px; }
.tip dl { margin: 6px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; }
.tip dt { color: var(--soluk); }
.tip dd { margin: 0; }

/* ---- dar ekran ---- */
@media (max-width: 860px) {
  .menu { display: none; }
  .menu-ac { display: inline-flex; margin-left: auto; }
  .ust-eylem .dugme--giris { display: none; }
  .ust[data-acik="true"] .menu {
    display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 64px;
    background: var(--kagit); border-bottom: 1px solid var(--cizgi); padding: 16px 24px 20px; gap: 14px; font-size: 16px;
  }
  .acilis .sayfa, .adim, .firma, .kredi { grid-template-columns: 1fr; }
  .video-cerceve--kucuk { margin: 0 auto; }
  .adim:nth-child(even) .adim-video { order: 0; }
  .acilis h1 { text-align: center; }
  .acilis .alt { margin-inline: auto; text-align: center; }
  .baslat { margin-inline: auto; }
  .video-cerceve { max-width: 420px; margin: 0 auto; }
  .bolum { padding-block: 52px; }
}