/* ==========================================================================
   DENTALINS — IMAGE TEXT BLOCK (image-text-block.css)
   Zigzag layout: Görsel + İçerik bloğu. Sol-sağ dönüşümlü.
   Klinik deneyimi, hakkımızda ve benzer section'lar için.
   BEM: .itb (ImageTextBlock)
   ========================================================================== */


/* ======================================================================
   1. IMAGE TEXT BLOCK BASE
   ====================================================================== */

.itb {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .itb {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

@media (min-width: 1024px) {
  .itb {
    gap: var(--space-16);
  }
}


/* ======================================================================
   2. REVERSE (zigzag — görsel sağda)
   ====================================================================== */

@media (min-width: 768px) {
  .itb--reverse .itb__media {
    order: 2;
  }

  .itb--reverse .itb__content {
    order: 1;
  }
}


/* ======================================================================
   3. MEDIA SIDE
   ====================================================================== */

.itb__media {
  position: relative;
  border-radius: var(--radius-xl);
  /* overflow NOT hidden — layers extend outside */
}

/* ---------- Decorative offset layers ---------- */
.itb__layer {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  pointer-events: none;
  transition: transform var(--transition-slow);
}

/* Layer 1: offset border (cyan) */
.itb__layer--1 {
  border: 2px solid rgba(var(--btn-primary-rgb), 0.35);
  transform: translate(12px, 12px);
  z-index: -1;
}

/* Layer 2: blurred glow */
.itb__layer--2 {
  background: linear-gradient(
    135deg,
    rgba(var(--btn-primary-rgb), 0.15) 0%,
    rgba(var(--btn-primary-rgb), 0.05) 100%
  );
  transform: translate(24px, 24px);
  z-index: -2;
  filter: blur(2px);
}

/* Reverse block: layers go opposite direction */
.itb--reverse .itb__layer--1 {
  transform: translate(-12px, 12px);
}

.itb--reverse .itb__layer--2 {
  transform: translate(-24px, 24px);
}

/* Hover: layers spread subtly */
.itb:hover .itb__layer--1 {
  transform: translate(16px, 16px);
}

.itb:hover .itb__layer--2 {
  transform: translate(30px, 30px);
}

.itb--reverse:hover .itb__layer--1 {
  transform: translate(-16px, 16px);
}

.itb--reverse:hover .itb__layer--2 {
  transform: translate(-30px, 30px);
}


/* ---------- Slider ---------- */
.itb__slider {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.itb__slider-track {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
}

@media (min-width: 768px) {
  .itb__slider-track {
    aspect-ratio: 5 / 4;
  }
}

.itb__slider-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slide);
  z-index: 0;
}

.itb__slider-slide.is-active {
  opacity: 1;
  z-index: 1;
}

.itb__image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Slider dots */
.itb__slider-dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 5;
  padding: var(--space-1) var(--space-3);
  background-color: rgba(var(--btn-secondary-rgb), 0.45);
  border-radius: var(--radius-full);
  backdrop-filter: blur(6px);
}

.itb__slider-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  border: none;
  background-color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition-hover);
  padding: 0;
}

.itb__slider-dot.is-active {
  width: 24px;
  background-color: var(--color-primary-400);
}

.itb__slider-dot:hover:not(.is-active) {
  background-color: rgba(255, 255, 255, 0.7);
}


/* ---------- Floating badge ---------- */
.itb__badge {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: rgba(var(--btn-primary-rgb), 0.9);
  color: var(--color-neutral-0);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  z-index: 5;
  transition: transform var(--transition-hover);
}

.itb:hover .itb__badge {
  transform: translateY(-2px);
}

.itb--reverse .itb__badge {
  left: auto;
  right: var(--space-4);
}

.itb__badge-number {
  font-size: var(--text-2xl);
  font-weight: var(--weight-extrabold);
  line-height: 1;
  color: var(--color-neutral-0);
}


/* ======================================================================
   4. CONTENT SIDE
   ====================================================================== */

.itb__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.itb__tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-primary-500);
}

.itb__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-secondary-500);
  line-height: var(--leading-tight);
}

@media (min-width: 768px) {
  .itb__title {
    font-size: var(--text-4xl);
  }
}

.itb__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Feature list (checkmark list) */
.itb__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.itb__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.itb__feature-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-50);
  color: var(--color-primary-500);
  border-radius: var(--radius-full);
  margin-top: 1px;
}

.itb__feature-icon svg {
  width: 12px;
  height: 12px;
}

.itb__actions {
  padding-top: var(--space-2);
}


/* ======================================================================
   5. SCROLL ANIMATION
   ====================================================================== */

.itb__media,
.itb__content {
  opacity: 0;
  transition:
    opacity var(--transition-reveal),
    transform var(--transition-reveal);
}

.itb__media {
  transform: translateX(-30px);
}

.itb__content {
  transform: translateX(30px);
}

.itb--reverse .itb__media {
  transform: translateX(30px);
}

.itb--reverse .itb__content {
  transform: translateX(-30px);
}

.itb.is-visible .itb__media,
.itb.is-visible .itb__content {
  opacity: 1;
  transform: translateX(0);
}

@media (prefers-reduced-motion: reduce) {
  .itb__media,
  .itb__content {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ======================================================================
   6. DARK SECTION VARIANT
   ====================================================================== */

.section--dark .itb__tag {
  color: var(--color-primary-300);
}

.section--dark .itb__title {
  color: var(--color-neutral-0);
}

.section--dark .itb__text {
  color: rgba(255, 255, 255, 0.75);
}

.section--dark .itb__feature {
  color: rgba(255, 255, 255, 0.7);
}

.section--dark .itb__feature-icon {
  background-color: rgba(var(--btn-primary-rgb), 0.15);
  color: var(--color-primary-300);
}

.section--dark .itb__media {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.section--dark .itb__layer--1 {
  border-color: rgba(var(--btn-primary-rgb), 0.3);
}

.section--dark .itb__layer--2 {
  background: linear-gradient(
    135deg,
    rgba(var(--btn-primary-rgb), 0.12) 0%,
    rgba(var(--btn-primary-rgb), 0.03) 100%
  );
}