/* Tanıtım sayfalarının ortak stili.
   Renkler uygulamanın kendi paletinden alınmıştır: üst mavi #3B82F6, alt turkuaz
   #4CC6DD, yüzey #F8FAFC. Yönetim panelinden bağımsızdır; bu sayfalar için
   JavaScript paketi indirilmez. */

:root {
  --mavi: #3b82f6;
  --gok: #0ea5e9;
  --turkuaz: #4cc6dd;
  --lacivert: #0f172a;
  --metin: #475569;
  --soluk: #94a3b8;
  --yuzey: #f8fafc;
  --kenar: #e2e8f0;
  --golge: 0 1px 3px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--lacivert);
  background: #fff;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gok); }
img, svg { max-width: 100%; }

.kapsayici { width: 100%; max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.dar { max-width: 720px; }

/* ── Üst çubuk ─────────────────────────────────────────── */
.cubuk {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kenar);
}
.cubuk .kapsayici { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.marka { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--lacivert); font-weight: 700; font-size: 17px; }
.marka .damla { width: 30px; height: 30px; }
.cubuk nav { display: flex; gap: 22px; }
.cubuk nav a { color: var(--metin); text-decoration: none; font-size: 15px; font-weight: 500; }
.cubuk nav a:hover { color: var(--lacivert); }
@media (max-width: 640px) { .cubuk nav { display: none; } }

/* ── Kahraman bölüm ────────────────────────────────────── */
.kahraman {
  position: relative;
  background: linear-gradient(160deg, #3b82f6 0%, #22a6d8 55%, #4cc6dd 100%);
  color: #fff;
  overflow: hidden;
  padding: 84px 0 96px;
}
.kahraman::after {
  content: '';
  position: absolute; inset: auto 0 -1px 0; height: 90px;
  background: #fff;
  clip-path: ellipse(75% 100% at 50% 100%);
}
.kahraman .kapsayici { position: relative; z-index: 1; display: grid; gap: 56px; align-items: center; }
@media (min-width: 900px) { .kahraman .kapsayici { grid-template-columns: 1.05fr 0.95fr; } }

.rozet {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 7px 14px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600;
}
.kahraman h1 {
  margin: 20px 0 16px;
  font-size: clamp(34px, 5.2vw, 52px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -1.2px;
}
.kahraman h1 em { font-style: normal; color: #d9f5ff; }
.kahraman .giris { margin: 0 0 30px; font-size: 18px; color: rgba(255, 255, 255, 0.94); max-width: 30em; }

.dugmeler { display: flex; flex-wrap: wrap; gap: 12px; }
.dugme {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 26px; border-radius: 14px;
  font-size: 15.5px; font-weight: 650;
  text-decoration: none; border: none; cursor: pointer;
  font-family: inherit;
}
.dugme-birincil { background: #fff; color: #0b6c96; box-shadow: 0 6px 20px rgba(2, 40, 60, 0.18); }
.dugme-birincil:hover { transform: translateY(-1px); }
.dugme-ikincil { background: rgba(255, 255, 255, 0.14); color: #fff; border: 1px solid rgba(255, 255, 255, 0.35); }
.dugme-ikincil:hover { background: rgba(255, 255, 255, 0.22); }
.dugme:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.kahraman .altnot { margin: 18px 0 0; font-size: 13.5px; color: rgba(255, 255, 255, 0.85); }

/* Telefon çerçevesi */
.telefon {
  width: 288px; margin: 0 auto;
  background: #0b1220;
  border-radius: 42px;
  padding: 11px;
  box-shadow: 0 30px 70px rgba(2, 30, 50, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.ekran {
  border-radius: 32px; overflow: hidden;
  background: linear-gradient(180deg, #4a8ff0 0%, #35b5d8 60%, #4cc6dd 100%);
  padding: 26px 20px 22px;
  color: #fff; text-align: center;
}
.ekran .tarih { font-size: 12px; opacity: 0.85; margin: 0 0 2px; }
.ekran .baslik { font-size: 16px; font-weight: 700; margin: 0 0 16px; }
.halka { width: 168px; height: 168px; margin: 0 auto 18px; display: block; }
.halka-metin { font-size: 30px; font-weight: 800; fill: #0f172a; }
.halka-alt { font-size: 10px; fill: #64748b; font-weight: 600; }
.hizli { display: flex; justify-content: center; gap: 12px; }
.kayitlar {
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 16px;
  padding: 13px 14px 6px;
  text-align: left;
}
.kayit-basi { margin: 0 0 9px; font-size: 12px; font-weight: 700; color: #0f172a; }
.kayit {
  display: flex; justify-content: space-between;
  font-size: 11.5px; color: #475569;
  padding: 6px 0; border-top: 1px solid #f1f5f9;
}
.kayit span:last-child { color: #94a3b8; }

.hizli div {
  background: rgba(255, 255, 255, 0.96);
  color: #0284c7;
  border-radius: 14px;
  padding: 9px 0;
  width: 62px;
  font-size: 11.5px; font-weight: 700;
}

/* ── Bölümler ──────────────────────────────────────────── */
section { padding: 76px 0; }
.bolum-basi { text-align: center; max-width: 620px; margin: 0 auto 48px; }
.bolum-basi .etiket {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--gok); text-transform: uppercase; letter-spacing: 1.1px; margin-bottom: 10px;
}
.bolum-basi h2 { margin: 0 0 12px; font-size: clamp(26px, 3.4vw, 34px); font-weight: 800; letter-spacing: -0.7px; }
.bolum-basi p { margin: 0; font-size: 17px; color: var(--metin); }

.izgara { display: grid; gap: 20px; }
@media (min-width: 700px) { .izgara-3 { grid-template-columns: repeat(3, 1fr); } .izgara-2 { grid-template-columns: repeat(2, 1fr); } }

.kart {
  border: 1px solid var(--kenar);
  border-radius: 18px;
  padding: 26px;
  background: #fff;
  box-shadow: var(--golge);
}
.kart .ikon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #e0f2fe, #cffafe);
  color: #0284c7; margin-bottom: 16px;
}
.kart h3 { margin: 0 0 7px; font-size: 17px; font-weight: 700; }
.kart p { margin: 0; font-size: 15px; color: var(--metin); }

/* Adımlar */
.adim { position: relative; padding-top: 8px; }
.adim .no {
  font-size: 13px; font-weight: 800; color: var(--gok);
  letter-spacing: 1px; margin-bottom: 8px;
}
.adim h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.adim p { margin: 0; color: var(--metin); font-size: 15px; }

/* Vurgu şeridi */
.serit {
  background: var(--yuzey);
  border-top: 1px solid var(--kenar);
  border-bottom: 1px solid var(--kenar);
}
.serit .kapsayici { display: grid; gap: 32px; align-items: center; }
@media (min-width: 860px) { .serit .kapsayici { grid-template-columns: 1fr 1fr; } }
.serit h2 { margin: 0 0 14px; font-size: clamp(24px, 3vw, 30px); font-weight: 800; letter-spacing: -0.6px; }
.serit p { margin: 0 0 12px; color: var(--metin); font-size: 16.5px; }
.liste { list-style: none; padding: 0; margin: 22px 0 0; }
.liste li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 13px; color: var(--metin); font-size: 15.5px; }
.liste svg { flex-shrink: 0; margin-top: 3px; color: #10b981; }

/* Bardak görseli */
.bardak-kutu { display: flex; justify-content: center; }
.bardak { width: 190px; height: 240px; }

/* SSS */
details {
  border: 1px solid var(--kenar);
  border-radius: 14px;
  padding: 18px 22px;
  margin-bottom: 12px;
  background: #fff;
}
details[open] { box-shadow: var(--golge); }
summary {
  cursor: pointer; font-weight: 650; font-size: 16px;
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-size: 22px; color: var(--soluk); font-weight: 400; line-height: 1; }
details[open] summary::after { content: '−'; }
details p { margin: 12px 0 0; color: var(--metin); font-size: 15px; }

/* Kapanış çağrısı */
.kapanis {
  background: linear-gradient(140deg, #3b82f6, #22a6d8 60%, #4cc6dd);
  color: #fff; text-align: center; border-radius: 24px;
  padding: 60px 28px; margin: 0 0 76px;
}
.kapanis h2 { margin: 0 0 12px; font-size: clamp(25px, 3.2vw, 32px); font-weight: 800; letter-spacing: -0.6px; }
.kapanis p { margin: 0 0 26px; font-size: 17px; color: rgba(255, 255, 255, 0.93); }
.kapanis .dugmeler { justify-content: center; }

/* ── İç sayfa başlığı ──────────────────────────────────── */
.sayfa-basligi { border-bottom: 1px solid var(--kenar); padding: 40px 0; background: var(--yuzey); }
.sayfa-basligi a { text-decoration: none; font-size: 14px; color: var(--metin); font-weight: 500; }
.sayfa-basligi h1 { margin: 12px 0 0; font-size: 30px; font-weight: 800; letter-spacing: -0.7px; }
.sayfa-basligi .tarih { margin: 6px 0 0; font-size: 13.5px; color: var(--soluk); }

main.icerik { padding: 52px 0 80px; }
main.icerik h2 { margin: 42px 0 12px; font-size: 21px; font-weight: 700; }
main.icerik h2:first-child { margin-top: 0; }
main.icerik h3 { margin: 28px 0 8px; font-size: 16.5px; font-weight: 650; }
main.icerik p { margin: 0 0 14px; color: var(--metin); }
main.icerik ul { margin: 0 0 16px; padding-left: 22px; color: var(--metin); }
main.icerik li { margin-bottom: 7px; }

.kutu {
  border: 1px solid var(--kenar); border-left: 4px solid var(--gok);
  border-radius: 12px; padding: 20px 22px; background: var(--yuzey); margin: 24px 0;
}
.kutu p:last-child { margin-bottom: 0; }

.adimlar { counter-reset: adim; list-style: none; padding: 0; margin: 22px 0; }
.adimlar li { counter-increment: adim; position: relative; padding-left: 44px; margin-bottom: 16px; color: var(--metin); }
.adimlar li::before {
  content: counter(adim); position: absolute; left: 0; top: 0;
  width: 29px; height: 29px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--mavi), var(--gok)); color: #fff;
  border-radius: 50%; font-size: 14px; font-weight: 700;
}

/* Form */
label { display: block; margin-bottom: 18px; }
label span { display: block; margin-bottom: 7px; font-size: 14.5px; font-weight: 650; color: var(--lacivert); }
input, textarea {
  width: 100%; font: inherit; font-size: 15px; padding: 12px 14px;
  border: 1px solid #cbd5e1; border-radius: 12px; background: #fff; color: var(--lacivert);
}
input:focus, textarea:focus { outline: 2px solid var(--gok); outline-offset: 1px; border-color: var(--gok); }
textarea { resize: vertical; min-height: 100px; }
.dugme-koyu { background: linear-gradient(140deg, var(--mavi), var(--gok)); color: #fff; }
.dugme-koyu:hover { filter: brightness(1.06); }

/* ── Alt bilgi ─────────────────────────────────────────── */
footer { border-top: 1px solid var(--kenar); padding: 40px 0; background: var(--yuzey); }
footer .alt-ust { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer .sirket {
  margin-top: 26px; padding-top: 22px;
  border-top: 1px solid var(--kenar);
  font-size: 13.5px; color: var(--soluk); line-height: 1.75;
}
footer .sirket p { margin: 0; }
footer .sirket strong { color: var(--metin); font-weight: 650; letter-spacing: 0.2px; }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer a { color: var(--metin); text-decoration: none; font-size: 14.5px; }
footer a:hover { color: var(--lacivert); }
footer .telif { font-size: 14px; color: var(--soluk); margin: 0; }

@media (prefers-color-scheme: dark) {
  :root { --yuzey: #0f172a; --kenar: #1e293b; --lacivert: #f1f5f9; --metin: #94a3b8; --soluk: #64748b; }
  body { background: #020617; }
  .kart, details, footer, .serit, .sayfa-basligi { background: #0f172a; }
  .cubuk { background: rgba(2, 6, 23, 0.82); }
  .kahraman::after { background: #020617; }
  input, textarea { background: #0f172a; border-color: #334155; color: #f1f5f9; }
  .kart .ikon { background: linear-gradient(140deg, #0c4a6e, #164e63); color: #7dd3fc; }
}