/* ============================================
   Animations
   ============================================ */

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal--right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed,
.reveal--left.revealed,
.reveal--right.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.5s; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Project card filter animation */
.project-card--hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.project-card--visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

/* Image loading */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity var(--transition-medium);
}

img[loading="lazy"].loaded,
img.loaded {
  opacity: 1;
}

/* Project card images always visible */
.project-card__image img {
  opacity: 1 !important;
}

/* Navbar mobile overlay */
@keyframes navSlideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Counter animation for stats */
.stat-number {
  display: inline-block;
}

/* Subtle pulse for WhatsApp button */
@keyframes pulse {
  0% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
}

.whatsapp-btn {
  animation: pulse 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
  animation: none;
}

/* ---- Page Transition ---- */
.page-transition {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg-dark);
  z-index: var(--z-page-transition);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s var(--ease-in-out);
}

.page-transition--active {
  opacity: 1;
  pointer-events: all;
}

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.92);
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
  cursor: zoom-out;
}

.lightbox--open {
  opacity: 1;
  visibility: visible;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.95);
  transition: transform 0.4s var(--ease-out);
}

.lightbox--open .lightbox__img {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
}

.lightbox__close:hover {
  color: #fff;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
}

.lightbox__nav:hover {
  color: #fff;
  border-color: #fff;
}

.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }

.lightbox__counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-small);
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
}

/* ---- Dark Mode Toggle ---- */
.theme-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  background-color: var(--color-border);
  border-radius: 11px;
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-bg-primary);
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .theme-toggle {
  background-color: var(--color-accent);
}

[data-theme="dark"] .theme-toggle::after {
  transform: translateX(18px);
}

.theme-toggle__icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
}

.theme-toggle__icon--sun {
  left: 4px;
  color: #f59e0b;
}

.theme-toggle__icon--moon {
  right: 4px;
  color: #94a3b8;
}

/* ---- Language Toggle ---- */
.lang-toggle {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  padding: 4px 10px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-left: var(--space-xs);
}

.lang-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---- Testimonials ---- */
.testimonial-card {
  padding: var(--space-xl);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  position: relative;
}

.testimonial-card__quote {
  font-size: var(--fs-body);
  font-style: italic;
  line-height: var(--lh-relaxed);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: var(--space-lg);
}

.testimonial-card__quote::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -8px;
  font-size: 3rem;
  font-family: Georgia, serif;
  color: var(--color-accent);
  line-height: 1;
}

.testimonial-card__author {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-small);
  color: var(--color-text-heading);
}

.testimonial-card__role {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  margin-top: var(--space-2xs);
}

/* ---- Blog Cards ---- */
.blog-card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}

.blog-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.blog-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.03);
}

.blog-card__content {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.blog-card__date {
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.blog-card__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-regular);
  color: var(--color-text-heading);
  margin-bottom: var(--space-sm);
  line-height: var(--lh-tight);
}

.blog-card__excerpt {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
}

.blog-card__link {
  position: absolute;
  inset: 0;
}

.blog-card {
  position: relative;
}

/* ---- Blur Placeholder (LQIP) ---- */
.lazy-img {
  background-color: var(--color-bg-secondary);
  filter: blur(20px);
  transform: scale(1.1);
  transition: filter 0.6s ease, transform 0.6s ease;
}

.lazy-img.loaded {
  filter: blur(0);
  transform: scale(1);
}

/* ---- Scroll to Top ---- */
.scroll-top {
  position: fixed;
  bottom: 100px;
  right: var(--container-padding);
  width: 44px;
  height: 44px;
  background-color: var(--color-text-heading);
  color: var(--color-text-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-medium), transform var(--transition-medium), visibility var(--transition-medium), background-color var(--transition-fast);
  z-index: 90;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background-color: var(--color-accent);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ---- Preloader ---- */
.preloader {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg-primary);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader__logo {
  height: 60px;
  width: auto;
  margin-bottom: var(--space-lg);
  animation: preloaderFade 1.5s ease-in-out infinite alternate;
}

.preloader__text {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-text-heading);
  margin-bottom: var(--space-lg);
  animation: preloaderFade 1.5s ease-in-out infinite alternate;
}

.preloader__bar {
  width: 120px;
  height: 2px;
  background-color: var(--color-border-light);
  overflow: hidden;
  position: relative;
}

.preloader__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 50%;
  height: 100%;
  background-color: var(--color-accent);
  animation: preloaderSlide 1s ease-in-out infinite;
}

@keyframes preloaderFade {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

@keyframes preloaderSlide {
  0% { left: -50%; }
  100% { left: 100%; }
}

/* ---- Parallax ---- */
.parallax-section {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  inset: -20% 0;
  width: 100%;
  height: 140%;
  object-fit: cover;
  will-change: transform;
  z-index: -1;
}

/* ---- Cookie / KVKK Banner ---- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-md) var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  z-index: 999;
  transform: translateY(100%);
  transition: transform var(--transition-medium);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__text {
  font-size: var(--fs-small);
  color: var(--color-text-primary);
  max-width: 600px;
}

.cookie-banner__text a {
  color: var(--color-accent);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-banner__btn {
  padding: 8px 20px;
  font-size: var(--fs-small);
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast);
}

.cookie-banner__btn--accept {
  background-color: var(--color-accent);
  color: #fff;
}

.cookie-banner__btn--accept:hover {
  background-color: #044a78;
}

.cookie-banner__btn--reject {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ---- FAQ Accordion ---- */
.faq-item {
  border-bottom: 1px solid var(--color-border-light);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  color: var(--color-text-heading);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-medium);
  color: var(--color-text-muted);
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.is-open .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding-bottom: var(--space-md);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  font-size: var(--fs-small);
}

/* ---- Newsletter ---- */
.newsletter {
  background-color: var(--color-bg-secondary);
  padding: var(--space-2xl);
  text-align: center;
}

.newsletter__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: var(--fw-light);
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.newsletter__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-small);
}

.newsletter__form {
  display: flex;
  gap: var(--space-sm);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter__input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-small);
}

.newsletter__input::placeholder {
  color: var(--color-text-muted);
}

.newsletter__btn {
  padding: 12px 24px;
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  white-space: nowrap;
}

.newsletter__btn:hover {
  background-color: #044a78;
}

/* ---- Before/After Slider ---- */
.ba-slider {
  position: relative;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  aspect-ratio: 16 / 9;
}

.ba-slider__before,
.ba-slider__after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-slider__before img,
.ba-slider__after img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-slider__before {
  clip-path: inset(0 50% 0 0);
}

.ba-slider__divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  z-index: 2;
  pointer-events: none;
}

.ba-slider__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  pointer-events: none;
}

.ba-slider__handle svg {
  width: 20px;
  height: 20px;
  color: #333;
}

.ba-slider__label {
  position: absolute;
  bottom: var(--space-sm);
  padding: 4px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(0,0,0,0.6);
  color: #fff;
  z-index: 2;
}

.ba-slider__label--before { left: var(--space-sm); }
.ba-slider__label--after { right: var(--space-sm); }

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border-light);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-1 * var(--space-2xl) - 5px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 2px solid var(--color-bg-primary);
}

.timeline__year {
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2xs);
}

.timeline__title {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-regular);
  color: var(--color-text-heading);
  margin-bottom: var(--space-xs);
}

.timeline__text {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

/* ---- Team Cards ---- */
.team-card {
  text-align: center;
}

.team-card__image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-md);
  border: 3px solid var(--color-border-light);
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.team-card:hover .team-card__image img {
  transform: scale(1.05);
}

.team-card__name {
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-regular);
  color: var(--color-text-heading);
  margin-bottom: var(--space-2xs);
}

.team-card__role {
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.team-card__bio {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

/* ---- Print Stylesheet ---- */
@media print {
  .navbar, .footer, .whatsapp-btn, .scroll-top,
  .cookie-banner, .page-transition, .theme-toggle,
  .lang-toggle, .preloader {
    display: none !important;
  }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 12pt;
  }

  .hero { display: none !important; }

  .section {
    padding: 1em 0;
    page-break-inside: avoid;
  }

  a { color: #000; text-decoration: underline; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
  a[href^="#"]::after, a[href^="javascript"]::after { content: ''; }

  img { max-width: 100% !important; }

  .container { max-width: 100% !important; padding: 0 !important; }
}