:root {
  --encre: #0b0f16;
  --douce: #5b6675;
  --tres-douce: #8a94a3;
  --accent: #2555ff;
  --accent-sombre: #1a3fc4;
  --bordure: #e5e9f0;
  --fond: #ffffff;
  --fond-alt: #f7f9fc;
  --koyu: #0b0f16;
  --rayon: 14px;
  --rayon-lg: 22px;
  --ombre: 0 24px 64px rgba(11, 18, 34, .10);
  --ombre-forte: 0 40px 90px rgba(11, 18, 34, .22);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  color: var(--encre);
  background: var(--fond);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: Poppins, Inter, sans-serif; line-height: 1.12; letter-spacing: -.03em; margin: 0 0 .6rem; }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); font-weight: 600; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; letter-spacing: -.015em; }
p { margin: 0 0 1rem; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88em;
  background: var(--fond-alt); padding: .1em .42em; border-radius: 6px; }

.kutu { width: min(1180px, 100% - 3rem); margin-inline: auto; }
.kutu--dar { width: min(48rem, 100% - 3rem); }
.logo { font-family: Poppins, sans-serif; font-weight: 600; font-size: 1.08rem;
  letter-spacing: -.03em; text-decoration: none; color: var(--accent); }
.logo--acik { color: #fff; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .6rem 1.3rem; border-radius: 10px; text-decoration: none;
  font-size: .92rem; font-weight: 600; white-space: nowrap;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn--buyuk { padding: .95rem 1.9rem; font-size: 1rem; }
.btn--tam { width: 100%; }
.btn--koyu { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(37,85,255,.28); }
.btn--koyu:hover { background: var(--accent-sombre); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(37,85,255,.34); }
.btn--cizgi { background: var(--fond); color: var(--encre); border: 1px solid var(--bordure); }
.btn--cizgi:hover { border-color: var(--encre); }
.btn--acik { background: #fff; color: var(--encre); }
.btn--acik:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(0,0,0,.24); }

/* ---------- Navigation ---------- */
.nav { position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bordure); }
.nav__ic { display: flex; align-items: center; gap: 2.5rem; padding: .8rem 0; }
.nav__menu { display: flex; gap: 1.6rem; font-size: .9rem; font-weight: 500; }
.nav__menu a { text-decoration: none; color: var(--douce); }
.nav__menu a:hover { color: var(--encre); }
.nav__sag { margin-left: auto; display: flex; align-items: center; gap: 1.1rem; }
.nav__giris { font-size: .9rem; font-weight: 500; color: var(--douce); text-decoration: none; }
.nav__giris:hover { color: var(--encre); }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3.5rem, 7vw, 6rem) 0 0;
  background:
    radial-gradient(90% 60% at 50% 0%, #eef2ff 0%, transparent 70%),
    linear-gradient(#fbfcfe, #ffffff);
  overflow: hidden;
}
.hero__yazi { text-align: center; max-width: 46rem; margin-inline: auto; }

.rozet {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .82rem; font-weight: 500; color: var(--douce);
  background: var(--fond); border: 1px solid var(--bordure);
  border-radius: 999px; padding: .34rem 1rem; margin: 0 0 1.75rem;
}
.rozet__nokta { width: .45rem; height: .45rem; border-radius: 50%; background: #21b356; }

.hero__alt { font-size: clamp(1rem, 1.7vw, 1.16rem); color: var(--douce);
  max-width: 36rem; margin: 1.1rem auto 2.25rem; }
.hero__eylem { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.hero__guven { display: flex; gap: 1.6rem; justify-content: center; flex-wrap: wrap;
  margin-top: 1.75rem; font-size: .86rem; color: var(--tres-douce); }
.hero__guven li { display: flex; align-items: center; gap: .42rem; }
.hero__guven li::before { content: "✓"; color: #21b356; font-weight: 700; }

.hero__gorsel { margin-top: clamp(3rem, 6vw, 4.5rem); }

/* ---------- Cadre navigateur ---------- */
.tarayici {
  margin: 0; background: var(--fond); border: 1px solid var(--bordure);
  border-radius: var(--rayon-lg); overflow: hidden; box-shadow: var(--ombre);
}
.tarayici--buyuk { box-shadow: var(--ombre-forte); }
.tarayici__bar {
  display: flex; align-items: center; gap: .4rem;
  padding: .7rem 1rem; background: var(--fond-alt); border-bottom: 1px solid var(--bordure);
}
.tarayici__nokta { width: .62rem; height: .62rem; border-radius: 50%; background: #d7dde7; flex: none; }
.tarayici__adres {
  margin-left: .85rem; flex: 1; font-size: .74rem; color: var(--tres-douce);
  background: var(--fond); border: 1px solid var(--bordure); border-radius: 999px;
  padding: .18rem .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
/*
 * L'iframe est rendue en pleine largeur de bureau puis réduite, pour que le
 * site reste net et fidèle. L'échelle dépend de la largeur réelle du cadre :
 * elle est calculée en JS (voir landing.js), sinon une valeur figée laisse une
 * bande blanche dès que la fenêtre change de taille.
 */
.tarayici__ekran { position: relative; overflow: hidden; background: #fff; }
.tarayici__ekran iframe {
  width: 1440px; height: 3600px; border: 0; display: block;
  transform-origin: top left; transform: scale(var(--echelle, 1));
}
.tarayici--buyuk .tarayici__ekran { height: clamp(20rem, 40vw, 32rem); }
.ikili .tarayici__ekran { height: 24rem; }

/* ---------- Bandeau secteurs ---------- */
.serit { padding: 2.75rem 0; border-bottom: 1px solid var(--bordure); background: var(--fond); }
.serit__baslik { text-align: center; font-size: .76rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--tres-douce); margin: 0 0 1.25rem; }
.serit__liste { display: flex; flex-wrap: wrap; gap: .55rem; justify-content: center; }
.serit__liste li { font-size: .88rem; color: var(--douce); background: var(--fond-alt);
  border: 1px solid var(--bordure); border-radius: 999px; padding: .42rem 1.05rem; }

/* ---------- Sections ---------- */
.bolum { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.bolum--alt { background: var(--fond-alt); }
.bolum--koyu { background: var(--koyu); color: #fff; }
.bolum--koyu .bolum__alt { color: rgba(255,255,255,.62); }
.bolum__ust { max-width: 40rem; margin-bottom: 3rem; }
.etiket { font-size: .76rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 .9rem; }
.etiket--acik { color: #7f9bff; }
.bolum__alt { color: var(--douce); margin: .5rem 0 0; font-size: 1.02rem; }

/* Étapes */
.adimlar { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr)); counter-reset: adim; }
.adim { position: relative; padding-top: 1.5rem; border-top: 2px solid var(--bordure); }
.adim__no { display: inline-grid; place-items: center; width: 1.9rem; height: 1.9rem;
  border-radius: 50%; background: var(--accent); color: #fff;
  font-size: .85rem; font-weight: 700; margin-bottom: .9rem; }
.adim p { color: var(--douce); margin: 0; }

/* Vitrine */
.vitrine { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(21rem, 100%), 1fr)); }
.vitrine .tarayici { background: #12171f; border-color: rgba(255,255,255,.1); }
.vitrine .tarayici__bar { background: #1a2029; border-color: rgba(255,255,255,.08); }
.vitrine .tarayici__nokta { background: #39424f; }
.vitrine .tarayici__adres { background: #12171f; border-color: rgba(255,255,255,.1); color: #6d7887; }
.vitrine .tarayici__ekran { height: 22rem; }
.vitrine__ad { display: flex; justify-content: space-between; gap: 1rem;
  padding: .95rem 1.15rem; font-size: .88rem; color: rgba(255,255,255,.9);
  border-top: 1px solid rgba(255,255,255,.08); }
.vitrine__ad span:last-child { color: rgba(255,255,255,.42); }

/* Blocs alternés */
.ikili { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center; margin-bottom: clamp(3.5rem, 7vw, 5.5rem); }
.ikili--ters > .ikili__yazi { order: 2; }
.ikili__yazi h3 { font-size: clamp(1.35rem, 2.4vw, 1.8rem); margin-bottom: .85rem; }
.ikili__yazi > p { color: var(--douce); }
.tik { display: grid; gap: .55rem; margin-top: 1.4rem; }
.tik li { display: flex; gap: .65rem; font-size: .94rem; color: var(--douce); }
.tik li::before { content: "✓"; color: var(--accent); font-weight: 700; flex: none; }

/* Collage photo */
.kolaj { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 8.5rem; gap: .75rem; }
.kolaj img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--rayon); display: block; }
.kolaj img:first-child { grid-column: span 2; grid-row: span 2; }

/* Cartes */
.kartlar { display: grid; gap: 1.15rem; grid-template-columns: repeat(auto-fit, minmax(min(18rem, 100%), 1fr)); }
.kart { background: var(--fond); border: 1px solid var(--bordure); border-radius: var(--rayon);
  padding: 1.7rem 1.5rem; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.kart:hover { border-color: var(--accent); box-shadow: var(--ombre); transform: translateY(-3px); }
.kart p { color: var(--douce); margin: 0; font-size: .94rem; }

/* Prix */
.fiyat { display: grid; grid-template-columns: minmax(0, 24rem) 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.fiyat__kart { background: var(--fond); border: 1px solid var(--bordure); border-radius: var(--rayon-lg);
  padding: 2.25rem 2rem; box-shadow: var(--ombre); }
.fiyat__kart--one { border-color: var(--accent); }
.fiyat__ad { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 .5rem; }
.fiyat__rakam { font-family: Poppins, sans-serif; font-size: 2.5rem; font-weight: 600;
  letter-spacing: -.035em; margin: 0; }
.fiyat__not { color: var(--tres-douce); font-size: .88rem; margin: .2rem 0 0; }
.fiyat__kart .tik { margin: 1.75rem 0 2rem; }
.fiyat__yan h3 { margin-bottom: .8rem; }
.fiyat__yan p { color: var(--douce); }

/* FAQ */
details { border-bottom: 1px solid var(--bordure); padding: 1.2rem 0; }
details:first-of-type { border-top: 1px solid var(--bordure); }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; align-items: center; gap: .85rem; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; color: var(--accent); font-size: 1.25rem; flex: none; width: 1rem; }
details[open] summary::before { content: "−"; }
details p { color: var(--douce); margin: .85rem 0 0 1.85rem; font-size: .96rem; }

/* Appel final */
.son { padding: clamp(4rem, 8vw, 6rem) 0; text-align: center; color: #fff;
  background: linear-gradient(135deg, #101a3a 0%, var(--accent) 100%); }
.son p { opacity: .82; max-width: 34rem; margin: 0 auto 2rem; }

/* Pied de page */
.dip { background: var(--koyu); color: rgba(255,255,255,.66); padding: 3.5rem 0 1.75rem; }
.dip__ic { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2.5rem; }
.dip__marka p { margin: .75rem 0 0; font-size: .9rem; max-width: 18rem; }
.dip__baslik { color: #fff; font-weight: 600; font-size: .88rem; margin: 0 0 .85rem; }
.dip__sutun { display: grid; gap: .55rem; align-content: start; }
.dip__sutun a { text-decoration: none; font-size: .9rem; }
.dip__sutun a:hover { color: #fff; }
.dip__alt { border-top: 1px solid rgba(255,255,255,.1); margin-top: 3rem; padding-top: 1.5rem; }
.dip__alt p { margin: 0; font-size: .82rem; color: rgba(255,255,255,.4); }

@media (max-width: 900px) {
  .ikili, .fiyat { grid-template-columns: 1fr; }
  .ikili--ters > .ikili__yazi { order: 0; }
  .dip__ic { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .nav__menu, .nav__giris { display: none; }
  .dip__ic { grid-template-columns: 1fr; }
}