/* ============================================================
   OneAPP4All — Case Study: Istanbul Senin, Redefining City Services
   Figma: jhD6LDVa0CfkUz8tixyG7B / 16597:19817 (1360x1011)
   ============================================================ */

.sec-oneapp4all-case-study {
  position: relative;
  width: 100%;
  padding: 81px 40px;
  background: #f9fafd url("/assets/solutions/oneapp4all/case-study/bg-glow.webp") center / cover no-repeat;
  border-top: 0.5px solid var(--blue);
  border-bottom: 0.5px solid var(--blue);
  overflow: clip;
}

.sec-oneapp4all-case-study__container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

/* ---- Head: Eyebrow + Title ---- */

.sec-oneapp4all-case-study__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

/* Figma-Tagline: 12px Dot, 10px Gap, System/%70, ls 0.48px */
.sec-oneapp4all-case-study__eyebrow {
  gap: 10px;
  line-height: 18px;
  letter-spacing: 0.48px;
  color: var(--navy-70);
}

.sec-oneapp4all-case-study__eyebrow::before {
  width: 12px;
  height: 12px;
}

.sec-oneapp4all-case-study__title {
  font-family: var(--font-sans);
  font-size: 40px;
  font-weight: 700;
  line-height: 50px;
  color: var(--navy);
}

/* ---- Content: Textspalte + Bild ---- */

.sec-oneapp4all-case-study__content {
  display: flex;
  align-items: flex-start;
  gap: 72px;
}

.sec-oneapp4all-case-study__left {
  flex: 0 1 594px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 48px;
}

.sec-oneapp4all-case-study__text {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 555px;
}

.sec-oneapp4all-case-study__block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.sec-oneapp4all-case-study__label {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 23px;
  color: var(--blue);
}

.sec-oneapp4all-case-study__copy {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  line-height: 26px;
  color: var(--navy-70);
}

.sec-oneapp4all-case-study__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.sec-oneapp4all-case-study__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.sec-oneapp4all-case-study__check {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px; /* zentriert im 26px-Zeilenkasten */
}

/* ---- Buttons (Kerben-Button: Radius 4px, 20px-Fase unten rechts) ---- */

.sec-oneapp4all-case-study__buttons {
  display: flex;
  align-items: center;
  gap: 21px;
}

.sec-oneapp4all-case-study__btn {
  --btn-bg: var(--blue);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 4px 20px 4px 16px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  line-height: 18px;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
}

/* Formfläche: linker Streifen (dehnbar) + rechte Kappe mit Fase */
.sec-oneapp4all-case-study__btn::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 39px 0 0;
  border-radius: 4px 0 0 4px;
  background: var(--btn-bg);
  transition: background-color var(--dur) var(--ease);
}

.sec-oneapp4all-case-study__btn::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: var(--btn-bg);
  clip-path: path("M0 0H36Q40 0 40 4V20L20 40H0Z");
  transition: background-color var(--dur) var(--ease);
}

.sec-oneapp4all-case-study__btn > span,
.sec-oneapp4all-case-study__btn > svg {
  position: relative;
  z-index: 1;
}

.sec-oneapp4all-case-study__btn > svg {
  flex: 0 0 auto;
  transition: transform var(--dur) var(--ease);
}

.sec-oneapp4all-case-study__btn:hover > svg {
  transform: translateX(3px);
}

.sec-oneapp4all-case-study__btn:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.sec-oneapp4all-case-study__btn:active {
  transform: translateY(1px);
}

.sec-oneapp4all-case-study__btn--blue {
  min-width: 150px;
}

.sec-oneapp4all-case-study__btn--blue:hover {
  --btn-bg: #1e4fd6;
}

.sec-oneapp4all-case-study__btn--dark {
  --btn-bg: var(--navy);
}

.sec-oneapp4all-case-study__btn--dark:hover {
  --btn-bg: #1a3164;
}

/* ---- Visual ---- */

.sec-oneapp4all-case-study__visual {
  flex: 0 1 614px;
  min-width: 0;
  margin: 0;
}

.sec-oneapp4all-case-study__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  .sec-oneapp4all-case-study {
    padding: 64px 32px;
  }

  .sec-oneapp4all-case-study__container {
    gap: 48px;
  }

  .sec-oneapp4all-case-study__content {
    flex-direction: column;
    gap: 48px;
  }

  .sec-oneapp4all-case-study__left {
    flex: 0 0 auto;
    width: 100%;
  }

  .sec-oneapp4all-case-study__text {
    max-width: 640px;
  }

  .sec-oneapp4all-case-study__visual {
    flex: 0 0 auto;
    width: 100%;
    max-width: 614px;
  }

  .sec-oneapp4all-case-study__title {
    font-size: 36px;
    line-height: 46px;
  }
}

@media (max-width: 768px) {
  .sec-oneapp4all-case-study {
    padding: 56px 24px;
  }

  .sec-oneapp4all-case-study__title {
    font-size: 32px;
    line-height: 40px;
  }
}

@media (max-width: 480px) {
  .sec-oneapp4all-case-study {
    padding: 48px 16px;
  }

  .sec-oneapp4all-case-study__container {
    gap: 32px;
  }

  .sec-oneapp4all-case-study__head {
    gap: 16px;
  }

  .sec-oneapp4all-case-study__title {
    font-size: 28px;
    line-height: 36px;
  }

  .sec-oneapp4all-case-study__content,
  .sec-oneapp4all-case-study__left {
    gap: 32px;
  }

  .sec-oneapp4all-case-study__copy {
    font-size: 16px;
    line-height: 23px;
  }

  .sec-oneapp4all-case-study__check {
    margin-top: 1px;
  }

  .sec-oneapp4all-case-study__buttons {
    flex-wrap: wrap;
    gap: 12px;
  }
}