:root {
  --zeva-purple-pattern:
    linear-gradient(120deg, transparent 0 56%, rgba(19, 19, 22, 0.16) 56% 66%, transparent 66% 100%),
    linear-gradient(120deg, transparent 0 66%, rgba(19, 19, 22, 0.2) 66% 78%, transparent 78% 100%),
    linear-gradient(135deg, #5950f2 0%, #5045df 48%, #3f36b9 100%);
  --zeva-yellow-pattern:
    linear-gradient(120deg, transparent 0 56%, rgba(19, 19, 22, 0.16) 56% 66%, transparent 66% 100%),
    linear-gradient(120deg, transparent 0 66%, rgba(19, 19, 22, 0.2) 66% 78%, transparent 78% 100%),
    linear-gradient(135deg, #f8d64e 0%, #f5cc36 48%, #e0ad18 100%);
  --zeva-hover-purple: #574eef;
}

/* hizmet verdigimiz projeler bandi - berilis arayuzune gore */
.projects-banner {
  background: var(--zeva-purple-pattern);
  background-size: 100vw 100%;
  background-position: left top;
  padding: 80px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  border-bottom: none;
  text-align: center;
  position: relative;
  z-index: 998;
  overflow: hidden;
}

.projects-banner::before,
.projects-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.projects-banner::before {
  background:
    linear-gradient(120deg, transparent 0 38%, rgba(255, 255, 255, 0.08) 38% 52%, transparent 52% 100%),
    linear-gradient(120deg, transparent 0 62%, rgba(19, 19, 22, 0.22) 62% 76%, transparent 76% 100%);
  clip-path: polygon(0 0, 72% 0, 58% 50%, 72% 100%, 0 100%);
}

.projects-banner::after {
  right: 0;
  left: auto;
  width: min(34vw, 420px);
  background: rgba(19, 19, 22, 0.16);
}

.projects-banner-text {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 40px);
  font-style: italic;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
}

/* hakkimizda ve neden zeva bolumu (.hakkimizda) */
.hakkimizda {
  padding: 96px 0;
  background: var(--gray-light);
  position: relative;
  overflow: hidden;
}

/* sag taraftaki kayarak gelen koyu serit */
.hakkimizda-serit {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 120px;
  background: var(--zeva-purple-pattern);
  background-size: 100vw 100%;
  background-position: right top;
  border-bottom-left-radius: 80px;
  box-shadow: -15px 0 40px rgba(0, 0, 0, 0.06);
  z-index: 998;
  overflow: hidden;
  /* baslangicta gizliyoruz, js ile sinif eklenince kayacak */
  transform: translateX(100%);
  opacity: 0;
  transition: transform 1s cubic-bezier(0.25, 1, 0.3, 1), opacity 0.8s ease;
}

.hakkimizda-serit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(19, 19, 22, 0.16);
  pointer-events: none;
}

.hakkimizda-serit.visible {
  transform: translateX(0);
  opacity: 1;
}

/* icerik yerlesimi (sag serit boslugu 160px) */
.hakkimizda-kapsayici {
  position: relative;
  z-index: 3;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 160px 0 100px;
}

@media (max-width: 1024px) {
  .hakkimizda-serit {
    display: none; /* mobilde gizliyoz */
  }
  .hakkimizda-kapsayici {
    padding: 0 24px;
  }
}

/* iki kolonlu yerlesim */
.hakkimizda-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

@media (max-width: 991px) {
  .hakkimizda-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
}

.hakkimizda-kolon {
  display: flex;
  flex-direction: column;
}

.hakkimizda-ikon-kapsayici {
  margin-bottom: 20px;
}

.hakkimizda-ikon {
  width: 48px;
  height: 48px;
  color: #3f36b9;
}

.hakkimizda-baslik {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

/* akordiyon yapisi */
.akordiyon {
  display: flex;
  flex-direction: column;
}

.akordiyon-item {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.akordiyon-item:last-child {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.akordiyon-soru {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: color var(--transition);
}

.akordiyon-soru > span:first-child {
  color: var(--text-primary);
  transition: color var(--transition);
}

/* hover rengini zeva sarisi yapiyoruz */
.akordiyon-soru:hover {
  color: var(--zeva-hover-purple);
}

.akordiyon-soru:hover > span:first-child,
.akordiyon-item.open .akordiyon-soru > span:first-child {
  color: var(--zeva-hover-purple);
}

.akordiyon-soru:hover .akordiyon-ikon {
  color: var(--zeva-hover-purple);
}

.akordiyon-ikon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--text-sub);
  flex-shrink: 0;
  position: relative;
}

/* arti ve eksi isaretleri */
.akordiyon-ikon::before,
.akordiyon-ikon::after {
  content: '';
  position: absolute;
  background-color: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.akordiyon-ikon::before {
  width: 14px;
  height: 2px;
}

.akordiyon-ikon::after {
  width: 2px;
  height: 14px;
}

/* acikken dikey cizgiyi gizle (eksi yap) */
.akordiyon-item.open .akordiyon-ikon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.akordiyon-item.open .akordiyon-ikon {
  color: var(--zeva-hover-purple);
}

.akordiyon-item.open .akordiyon-soru {
  color: var(--zeva-hover-purple);
}

/* cevap icerik alani */
.akordiyon-cevap {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.4s ease;
}

.akordiyon-item.open .akordiyon-cevap {
  max-height: 520px;
  opacity: 1;
  padding-bottom: 24px;
}

.akordiyon-cevap p,
.hizmet-listesi p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}

.hizmet-listesi {
  display: grid;
  gap: 10px;
}

.hizmet-listesi strong {
  color: var(--text-primary);
}