/**
 * SKYPURE — Components (Regulated Architectural Corporate Direction)
 * Refined Placeholders, Editorial Cards, Dignified Controls & Sliders
 */

/* ==========================================================================
   01. REFINED ARCHITECTURAL PLACEHOLDER SYSTEM
   ========================================================================== */

.arch-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 240px;
  background-color: var(--color-dark-navy);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
  user-select: none;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

/* Subtle Architectural Texture / Vignette */
.arch-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 40%, rgba(5, 6, 7, 0.45) 100%);
  pointer-events: none;
  z-index: 1;
}

/* Architectural Framing Lines */
.arch-placeholder::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(184, 183, 178, 0.05);
  pointer-events: none;
  z-index: 1;
}

/* Clean Editorial Placeholder Content */
.arch-placeholder-center {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  max-width: 440px;
}

.arch-placeholder-tag {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  color: var(--color-white);
  background: rgba(11, 26, 42, 0.9);
  border: 1px solid var(--border-medium);
  padding: 6px 16px;
  text-transform: uppercase;
}

.arch-placeholder-hint {
  font-size: var(--text-sm);
  color: var(--color-concrete);
  letter-spacing: var(--tracking-wide);
  margin-top: 4px;
}

/* Actual Image Replacement Rendering */
.arch-placeholder-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-cinematic);
}

.arch-placeholder.has-image .arch-placeholder-img {
  opacity: 1;
}

.arch-placeholder.has-image .arch-placeholder-center {
  display: none;
}

/* Dedicated Hero Placeholder Tag (Positioned non-obtrusively) */
.hero-placeholder-tag-wrap {
  position: absolute;
  top: calc(var(--header-height) + 24px);
  right: var(--container-pad);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  opacity: 0.55;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.hero-placeholder-tag-wrap:hover {
  opacity: 0.9;
}

.arch-placeholder.has-image .hero-placeholder-tag-wrap {
  display: none;
}

.arch-placeholder:hover {
  border-color: var(--border-medium);
}

/* Aspect Ratio Modifiers */
.ratio-16-9 {
  aspect-ratio: 16 / 9;
}

.ratio-4-3 {
  aspect-ratio: 4 / 3;
}

.ratio-1-1 {
  aspect-ratio: 1 / 1;
}

.ratio-21-9 {
  aspect-ratio: 21 / 9;
}

/* ==========================================================================
   02. BUTTONS & ARCHITECTURAL CTAS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 16px 32px;
  position: relative;
  border-radius: 0;
  transition: all var(--transition-base);
  cursor: pointer;
}

/* Primary Button: Crisp Architectural White */
.btn-primary {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-light-concrete);
  border-color: var(--color-light-concrete);
  transform: translateY(-2px);
  box-shadow: var(--shadow-subtle);
}

/* Secondary Button: Outlined Minimal Border */
.btn-secondary {
  background-color: rgba(7, 17, 28, 0.6);
  color: var(--color-white);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background-color: rgba(229, 227, 222, 0.08);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-icon {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ==========================================================================
   03. TRUST / WHY SKYPURE SECTION (ARCHITECTURAL LEDGER)
   ========================================================================== */

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-grid);
  background-color: transparent;
  position: relative;
}

/* Guaranteed vertical divider 1 (between Col 1 and Col 2) - Immune to subpixel clipping */
.trust-grid::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(100% / 3);
  width: 1px;
  background-color: var(--border-grid);
  z-index: 3;
  pointer-events: none;
}

/* Guaranteed vertical divider 2 (between Col 2 and Col 3) - Immune to subpixel clipping */
.trust-grid::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(100% / 3 * 2);
  width: 1px;
  background-color: var(--border-grid);
  z-index: 3;
  pointer-events: none;
}

.trust-card {
  background-color: var(--color-dark-navy);
  padding: var(--space-2xl) var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 250px;
  box-sizing: border-box;
  background-clip: padding-box;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

/* Horizontal line between row 1 (01, 02, 03) and row 2 (04, 05, 06) */
.trust-card:nth-child(-n+3) {
  border-bottom: 1px solid var(--border-grid);
}

.trust-card:hover {
  background-color: var(--color-black);
}

.trust-card::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
  z-index: 4;
}

.trust-card:hover::after {
  transform: scaleX(1);
}

.trust-number {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-light);
  color: var(--color-concrete);
  margin-bottom: var(--space-lg);
  display: block;
  letter-spacing: var(--tracking-normal);
  transition: color var(--transition-fast);
}

.trust-card:hover .trust-number {
  color: var(--color-white);
}

.trust-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wide);
  color: var(--text-primary);
  text-transform: uppercase;
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.trust-card:hover .trust-title {
  color: #FFFFFF;
}

.trust-meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: var(--space-xs);
  transition: color var(--transition-fast);
}

.trust-card:hover .trust-meta {
  color: var(--color-light-concrete);
}

/* ==========================================================================
   04. HİZMETLERİMİZ (INTERACTIVE SERVICES LAYOUT)
   ========================================================================== */

.services-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: var(--space-2xl);
  align-items: stretch;
}

.services-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.service-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-lg) 0;
  transition: padding var(--transition-fast), background-color var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.service-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
}

.service-item-number {
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-concrete);
  letter-spacing: var(--tracking-wide);
  transition: color var(--transition-fast);
}

.service-item-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-tight);
  flex-grow: 1;
  transition: color var(--transition-fast);
}

.service-item-arrow {
  width: 20px;
  height: 20px;
  color: var(--color-concrete);
  opacity: 0.5;
  transform: rotate(-45deg);
  transition: opacity var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.service-sublist {
  margin-top: var(--space-md);
  padding-left: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-base), opacity var(--transition-base);
}

.service-sublist li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.service-sublist li::before {
  content: "—";
  color: var(--color-concrete);
}

/* Service Item Active / Hover States */
.service-item.is-active,
.service-item:hover {
  padding-left: var(--space-sm);
}

.service-item.is-active .service-item-number,
.service-item:hover .service-item-number,
.service-item.is-active .service-item-title,
.service-item:hover .service-item-title {
  color: var(--color-white);
}

.service-item.is-active .service-item-arrow,
.service-item:hover .service-item-arrow {
  opacity: 1;
  transform: rotate(0deg);
  color: var(--color-white);
}

.service-item.is-active .service-sublist {
  max-height: 260px;
  opacity: 1;
}

/* Architectural Services Field Operations Slider (Full-Height Frame) */
.services-preview-sticky {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

.services-slider {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 520px;
  border: 1px solid var(--border-subtle);
  background-color: var(--color-dark-navy);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.services-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.85s ease;
  pointer-events: none;
  z-index: 1;
}

.services-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  pointer-events: auto;
  z-index: 2;
}

.services-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

.services-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(5, 8, 15, 0.75) 0%,
    rgba(5, 8, 15, 0.1) 22%,
    rgba(5, 8, 15, 0.15) 60%,
    rgba(5, 8, 15, 0.92) 100%
  );
  pointer-events: none;
}

/* Slider Top Architectural Header */
.services-slider-header {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  pointer-events: none;
}

.services-slider-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(10, 15, 25, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wider);
  color: var(--color-white);
  text-transform: uppercase;
  pointer-events: auto;
}

.services-slider-badge .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #00d26a;
  box-shadow: 0 0 8px #00d26a;
  animation: pulse-dot 2s infinite ease-in-out;
}

.services-slider-counter {
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  background: rgba(10, 15, 25, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 2px;
  padding: 6px 12px;
  pointer-events: auto;
}

.services-slider-counter .curr-slide {
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
}

.services-slider-counter .sep {
  color: var(--color-concrete);
  margin: 0 4px;
}

.services-slider-counter .total-slides {
  color: var(--text-muted);
}

/* Slider Floating Navigation Arrows */
.services-slider-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-md);
  z-index: 5;
  pointer-events: none;
}

.services-slider-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 15, 25, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-white);
  cursor: pointer;
  pointer-events: auto;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  border-radius: 2px;
}

.services-slider-btn svg {
  width: 20px;
  height: 20px;
}

.services-slider-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.08);
}

.services-slider-btn:active {
  transform: scale(0.96);
}

/* Slider Bottom Overlay Footer */
.services-slider-footer {
  position: relative;
  z-index: 5;
  padding: var(--space-lg) var(--space-xl) var(--space-xl);
  background: linear-gradient(to top, rgba(5, 8, 15, 0.96) 0%, rgba(5, 8, 15, 0.75) 65%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.services-slider-caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.services-slide-tag {
  font-size: 0.7rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wider);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.services-slide-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  letter-spacing: var(--tracking-tight);
  text-transform: uppercase;
  margin: 0;
  line-height: 1.35;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

/* Slider Progress Dashes */
.services-slider-dots {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.services-slider-dot {
  width: 18px;
  height: 3px;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: width 0.3s ease, background-color 0.3s ease;
  border-radius: 1px;
}

.services-slider-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.services-slider-dot.is-active {
  width: 38px;
  background: var(--color-white);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

/* ==========================================================================
   05. ÇALIŞMA SÜRECİMİZ (WORK PROCESS PROGRESSION)
   ========================================================================== */

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--border-grid);
  border-left: 1px solid var(--border-grid);
  background-color: transparent;
  position: relative;
}

.process-step {
  background-color: var(--bg-primary);
  padding: var(--space-xl) var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 220px;
  border-right: 1px solid var(--border-grid);
  border-bottom: 1px solid var(--border-grid);
  box-sizing: border-box;
  position: relative;
  transition: background-color var(--transition-base);
}

.process-step::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
  z-index: 2;
}

.process-step.is-active,
.process-step:hover {
  background-color: var(--color-navy-surface);
}

.process-step.is-active::after,
.process-step:hover::after {
  transform: scaleX(1);
}

.process-step-num {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  color: var(--color-concrete);
  margin-bottom: var(--space-lg);
  display: block;
}

.process-step-name {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-wide);
  color: var(--text-primary);
  text-transform: uppercase;
}

.process-step-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: var(--space-xs);
}

/* ==========================================================================
   06. REFERANSLARIMIZ (EDITORIAL CASE STUDY CARDS)
   ========================================================================== */

.references-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-lg);
}

.ref-card {
  border: 1px solid var(--border-subtle);
  background: var(--color-dark-navy);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.ref-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-3px);
}

.ref-card-main {
  grid-column: span 7;
}

.ref-card-secondary {
  grid-column: span 5;
}

.ref-card-third {
  grid-column: span 4;
}

.ref-card-visual {
  position: relative;
  width: 100%;
  cursor: pointer;
}

.ref-card-visual:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: -2px;
}

.ref-card-info {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.ref-card-location {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.ref-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  text-transform: uppercase;
}

.ref-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

/* Reference Projects Row 1 Visual Height Alignment */
@media (min-width: 992px) {
  .ref-card-main .ref-card-visual,
  .ref-card-secondary .ref-card-visual {
    height: 380px;
  }
  .ref-card-main .arch-placeholder,
  .ref-card-secondary .arch-placeholder {
    height: 100%;
    aspect-ratio: unset;
  }
}

[data-placeholder-id="PROJECT_IMAGE_PENDIK"] .arch-placeholder-img {
  object-position: center 35%;
}
[data-placeholder-id="PROJECT_IMAGE_01"] .arch-placeholder-img {
  object-position: center 25%;
}
[data-placeholder-id="PROJECT_IMAGE_02"] .arch-placeholder-img {
  object-position: center 20%;
}
[data-placeholder-id="PROJECT_IMAGE_03"] .arch-placeholder-img {
  object-position: center 25%;
}
[data-placeholder-id="PROJECT_IMAGE_04"] .arch-placeholder-img {
  object-position: center 35%;
}
[data-placeholder-id="PROJECT_IMAGE_05"] .arch-placeholder-img {
  object-position: center 35%;
}
[data-placeholder-id="PROJECT_IMAGE_06"] .arch-placeholder-img {
  object-position: center 25%;
}
[data-placeholder-id="BEFORE_IMAGE_01"] .arch-placeholder-img,
[data-placeholder-id="AFTER_IMAGE_01"] .arch-placeholder-img {
  object-position: center center;
}

.ref-card:hover .arch-placeholder-img {
  transform: scale(1.03);
}

/* ==========================================================================
   PORTFOLIO VIDEO CARD & PLAY BUTTON
   ========================================================================== */
.ref-card-video {
  position: relative;
}

/* Play Button Overlay (Visible only on 1st photo) */
.ref-play-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(5, 6, 7, 0.25) 0%, rgba(5, 6, 7, 0.65) 100%);
  transition: opacity 0.25s ease, visibility 0.25s ease;
  pointer-events: none; /* Let clicks on visual pass through to open lightbox */
}

.ref-play-overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.ref-play-btn-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
  pointer-events: auto; /* Clickable */
  padding: 16px 24px;
  border-radius: 8px;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Triangle Play Button (Pure Flat White Triangle, No Circle, No Red) */
.ref-play-triangle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), filter 0.25s ease;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.85)) drop-shadow(0 2px 6px rgba(0, 0, 0, 0.7));
}

.ref-play-triangle-svg {
  display: block;
  overflow: visible;
}

.ref-play-triangle-path {
  fill: #ffffff; /* Düz beyaz / Pure flat white */
  stroke: transparent;
  stroke-width: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.ref-play-btn-link:hover .ref-play-triangle-wrap {
  transform: scale(1.15);
  filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.95)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.6));
}

.ref-play-btn-link:hover .ref-play-triangle-path {
  fill: #ffffff;
}

.ref-play-caption {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.95);
  background: rgba(5, 6, 7, 0.82);
  padding: 5px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.ref-play-btn-link:hover .ref-play-caption {
  background: #ffffff;
  color: #0c1015;
  border-color: #ffffff;
  transform: translateY(-2px);
  text-shadow: none;
}

.ref-meta-video-tag {
  color: #ff5555;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color var(--transition-fast);
}

.ref-meta-video-tag:hover {
  color: #ffffff;
}

/* Lightbox Video Button */
.ref-lightbox-video-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  padding: 6px 14px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.ref-lightbox-video-btn:hover {
  background: #ffffff;
  color: #050607;
  transform: translateY(-1px);
}

.ref-play-icon {
  display: block;
  flex-shrink: 0;
  fill: currentColor;
}

/* Lightbox Central Play Button Overlay (Photo 1) */
.ref-lightbox-play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.ref-lightbox-play-overlay .ref-play-triangle-wrap {
  filter: drop-shadow(0 10px 32px rgba(0, 0, 0, 0.9)) drop-shadow(0 4px 10px rgba(0, 0, 0, 0.7));
}

.ref-lightbox-play-overlay .ref-play-caption {
  font-size: 0.84rem;
  padding: 6px 16px;
  border-radius: 16px;
  letter-spacing: 0.05em;
}

.ref-lightbox-play-overlay .ref-play-btn-link:hover .ref-play-triangle-wrap {
  transform: scale(1.18);
  filter: drop-shadow(0 14px 40px rgba(0, 0, 0, 0.95)) drop-shadow(0 0 30px rgba(255, 255, 255, 0.75));
}

.ref-lightbox.is-zoomed .ref-lightbox-play-overlay {
  display: none !important;
}

/* Reference Card Interactive Multi-Image Gallery */
.ref-gallery-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: rgba(5, 6, 7, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 3px 8px;
  pointer-events: none;
}

.ref-gallery-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(5, 6, 7, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 4px 8px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ref-gallery-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.ref-gallery-dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.ref-gallery-dot.is-active {
  background: var(--color-white);
  transform: scale(1.3);
}

.ref-gallery-nav {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.ref-card:hover .ref-gallery-nav {
  opacity: 1;
}

.ref-gallery-btn {
  width: 32px;
  height: 32px;
  background: rgba(5, 6, 7, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.ref-gallery-btn:hover {
  background: var(--color-white);
  color: var(--color-true-black);
  border-color: var(--color-white);
}

/* Reference Card "İNCELE" Inspection Cue */
.ref-inspect-cue {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-white);
  background: rgba(5, 6, 7, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 5px 10px;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
  pointer-events: none;
}

.ref-card:hover .ref-inspect-cue,
.ref-card-visual:focus-visible .ref-inspect-cue {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   06B. ARCHITECTURAL LIGHTBOX / FULLSCREEN INSPECTION MODAL
   ========================================================================== */

.ref-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ref-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.ref-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 6, 7, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.ref-lightbox-dialog {
  position: relative;
  z-index: 2;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  box-sizing: border-box;
}

@media (min-width: 992px) {
  .ref-lightbox-dialog {
    padding: var(--space-lg) var(--space-2xl);
  }
}

/* Header */
.ref-lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.ref-lightbox-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ref-lightbox-location {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.ref-lightbox-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-white);
  margin: 0;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .ref-lightbox-title {
    font-size: var(--text-xl);
  }
}

.ref-lightbox-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.ref-lightbox-counter {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
}

.ref-lightbox-action-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.ref-lightbox-action-btn:hover {
  background: var(--color-white);
  color: var(--color-true-black);
  border-color: var(--color-white);
}

/* Main Stage */
.ref-lightbox-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: var(--space-sm) 0;
}

.ref-lightbox-viewport {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  user-select: none;
}

.ref-lightbox-img {
  max-width: 88vw;
  max-height: 72vh;
  object-fit: contain;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  cursor: zoom-in;
  will-change: transform;
}

/* Zoomed State */
.ref-lightbox.is-zoomed .ref-lightbox-img {
  cursor: grab;
  max-width: none;
  max-height: none;
  transform: scale(1.85);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ref-lightbox.is-zoomed .ref-lightbox-img.is-dragging {
  cursor: grabbing;
  transition: none;
}

.ref-lightbox.is-zoomed .zoom-in-icon {
  display: none !important;
}

.ref-lightbox.is-zoomed .zoom-out-icon {
  display: block !important;
}

.ref-lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  background: rgba(5, 6, 7, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.ref-lightbox-prev-btn {
  left: 12px;
}

.ref-lightbox-next-btn {
  right: 12px;
}

.ref-lightbox-nav-btn:hover {
  background: var(--color-white);
  color: var(--color-true-black);
  border-color: var(--color-white);
  transform: translateY(-50%) scale(1.05);
}

@media (max-width: 768px) {
  .ref-lightbox-nav-btn {
    width: 38px;
    height: 38px;
  }
  .ref-lightbox-prev-btn { left: 4px; }
  .ref-lightbox-next-btn { right: 4px; }
}

/* Footer & Thumbnails */
.ref-lightbox-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.ref-lightbox-meta {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.ref-lightbox-thumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
  padding: 4px;
}

.ref-lightbox-thumb {
  width: 56px;
  height: 40px;
  padding: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  opacity: 0.5;
  overflow: hidden;
  transition: opacity var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.ref-lightbox-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ref-lightbox-thumb:hover {
  opacity: 0.85;
  border-color: rgba(255, 255, 255, 0.5);
}

.ref-lightbox-thumb.is-active {
  opacity: 1;
  border-color: var(--color-white);
  outline: 1px solid var(--color-white);
  transform: scale(1.08);
}

.ref-lightbox-hint {
  font-size: 10px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  margin-top: 2px;
}

@media (max-width: 640px) {
  .ref-lightbox-hint {
    display: none;
  }
}

/* ==========================================================================
/* ==========================================================================
   07. BEFORE / AFTER COMPARISON SLIDER (EDITORIAL REFINEMENT & MULTI-CASE)
   ========================================================================== */

.before-after-wrapper {
  margin-top: var(--space-3xl);
  border: 1px solid var(--border-subtle);
  background-color: var(--color-dark-navy);
  padding: var(--space-xl);
}

.before-after-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

/* Multi-Case Switcher Tabs */
.ba-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ba-tab {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  color: var(--color-concrete);
  padding: 8px 16px;
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 2px;
}

.ba-tab:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--color-white);
  border-color: var(--color-concrete);
}

.ba-tab.is-active {
  background: var(--color-white);
  color: var(--color-obsidian);
  border-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.ba-tab-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  opacity: 0.85;
}

/* Active Case Information Bar */
.ba-case-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: rgba(5, 6, 7, 0.7);
  border: 1px solid var(--border-subtle);
  border-bottom: none;
  font-size: var(--text-xs);
}

.ba-case-info-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ba-case-tag {
  display: inline-block;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--color-light-gray);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: var(--tracking-wider);
}

.ba-case-title {
  color: var(--color-white);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
}

.ba-case-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ba-nav-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-medium);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ba-nav-btn:hover {
  background: var(--color-white);
  color: var(--color-obsidian);
}

.ba-case-counter {
  font-family: var(--font-mono);
  color: var(--color-concrete);
  font-size: 0.75rem;
  min-width: 44px;
  text-align: center;
}

/* Comparison Canvas Container */
.before-after-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 380px;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none; /* Crucial: stops touch scroll hijacking */
  cursor: ew-resize;
  border: 1px solid var(--border-subtle);
  background-color: var(--color-obsidian);
}

.before-after-container.is-sliding {
  cursor: grabbing !important;
}

.ba-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.ba-layer-after {
  z-index: 1;
}

.ba-layer-before {
  z-index: 2;
  width: 50%;
  overflow: hidden;
  border-right: 2px solid var(--color-white);
  box-shadow: 2px 0 16px rgba(0, 0, 0, 0.7);
}

.ba-layer-before .ba-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Images inside slider */
.ba-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  display: block;
}

/* High-Affordance Architectural Splitter Handle */
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 56px;
  margin-left: -28px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.ba-handle:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

.ba-handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #ffffff;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.ba-handle-button {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-deep-navy);
  border: 2px solid var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.9), 0 0 12px rgba(255, 255, 255, 0.25);
  transition: transform 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
  cursor: grab;
  z-index: 2;
  pointer-events: none;
}

.ba-handle:hover .ba-handle-button {
  transform: scale(1.12);
  background-color: var(--color-navy);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.95), 0 0 16px rgba(255, 255, 255, 0.4);
}

.before-after-container.is-sliding .ba-handle,
.before-after-container.is-sliding .ba-handle-button {
  cursor: grabbing !important;
}

.before-after-container.is-sliding .ba-handle-button {
  transform: scale(1.18);
  background-color: var(--color-obsidian);
  border-color: var(--color-white);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.95), 0 0 24px rgba(255, 255, 255, 0.6);
}

.ba-handle-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(5, 6, 7, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--color-concrete);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: var(--tracking-wider);
  padding: 3px 8px;
  border-radius: 2px;
  pointer-events: none;
  white-space: nowrap;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.before-after-container.is-sliding .ba-handle-hint {
  opacity: 0;
}

.ba-badge {
  position: absolute;
  top: var(--space-md);
  padding: 6px 14px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  z-index: 5;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.ba-badge-before {
  left: var(--space-md);
  background: rgba(5, 6, 7, 0.85);
  border: 1px solid var(--border-medium);
  color: var(--color-concrete);
}

.ba-badge-after {
  right: var(--space-md);
  background: rgba(11, 26, 42, 0.9);
  border: 1px solid var(--color-white);
  color: var(--color-white);
}

/* ==========================================================================
   08. CONTACT SECTION & REFINED FORM
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact-statement {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-extrabold);
  letter-spacing: var(--tracking-tighter);
  line-height: 1.15;
  text-transform: uppercase;
}

.contact-statement-sub {
  font-size: var(--text-lg);
  color: var(--color-concrete);
  margin-top: var(--space-sm);
}

.contact-direct-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-direct-item {
  border: 1px solid var(--border-subtle);
  background-color: var(--color-dark-navy);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.contact-direct-item:hover {
  border-color: var(--border-strong);
  background-color: var(--color-black);
}

.contact-label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.contact-value {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

/* Regulated Architectural Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border: 1px solid var(--border-subtle);
  background-color: var(--color-dark-navy);
  padding: var(--space-2xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  color: var(--color-concrete);
  text-transform: uppercase;
}

.form-control {
  background-color: var(--color-black);
  border: 1px solid var(--border-subtle);
  color: var(--color-white);
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  border-radius: 0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-white);
  background-color: var(--color-dark-navy);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Form Submission Status Box */
.form-status {
  padding: 14px 18px;
  font-size: var(--text-sm);
  line-height: 1.5;
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  margin-top: var(--space-xs);
  transition: all var(--transition-base);
}

.form-status.is-success {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.08);
  color: #86efac;
}

.form-status.is-error {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
}

.form-status.is-info {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
}