/* ============================================================
   LAYIHƏLƏR SECTION — ASR Development Consulting Group
   layiheler.css
   ============================================================ */

/* ── Section Layout ─────────────────────────────────────────── */
.layiheler-section {
  padding: 100px 0 120px;
  background: var(--bg-section);
  position: relative;
  overflow: hidden;
  padding: 50px;
}

.layiheler-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.layiheler-header {
  text-align: center;
  margin-bottom: 72px;
}

.layiheler-header .section-eyebrow {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.layiheler-header .section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--heading);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.layiheler-header .section-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.85;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Layihə Card ─────────────────────────────────────────────── */
.layihe-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 56px;
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.layihe-card:last-child {
  margin-bottom: 0;
}

.layihe-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-hover);
}

/* ── Gallery Grid ────────────────────────────────────────────── */
.layihe-gallery {
  display: grid;
  grid-template-columns: 1.72fr repeat(2, 1fr);
  grid-template-rows: 1fr 1fr;
  gap: 3px;
  height: 420px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.layihe-gallery-item {
  overflow: hidden;
  position: relative;
  background: var(--bg-secondary);
}

.layihe-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.layihe-gallery-item:hover img {
  transform: scale(1.05);
}

/* Main (big) image spans 2 rows */
.layihe-gallery-item--main {
  grid-column: 1;
  grid-row: 1 / 3;
}

/* "More" overlay item */
.layihe-gallery-item--more {
  position: relative;
}

.gallery-more-label {
  position: absolute;
  inset: 0;
  background: rgba(11, 31, 58, 0.72);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.3s ease;
}

.dark-mode .gallery-more-label {
  background: rgba(0, 0, 0, 0.68);
}

.gallery-more-label i {
  font-size: 1.4rem;
  opacity: 0.9;
}

.layihe-gallery-item--more:hover .gallery-more-label {
  background: rgba(200, 146, 42, 0.78);
}

/* Gallery keyboard focus */
.layihe-gallery:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ── Info Hissəsi ─────────────────────────────────────────────── */
.layihe-info {
  padding: 36px 40px 0;
}

/* Meta row */
.layihe-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.layihe-index {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-light);
}

.layihe-sector {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(200, 146, 42, 0.1);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid rgba(200, 146, 42, 0.2);
}

.dark-mode .layihe-sector {
  background: rgba(212, 160, 64, 0.12);
  border-color: rgba(212, 160, 64, 0.22);
}

.layihe-year {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-left: auto;
}

/* Title */
.layihe-title {
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 800;
  color: var(--heading);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

/* Location */
.layihe-location {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.layihe-location i {
  color: var(--gold);
  font-size: 0.75rem;
}

/* ── Accordion ────────────────────────────────────────────────── */
.layihe-accordion {
  border-top: 1px solid var(--border);
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--heading);
  text-align: left;
  letter-spacing: 0.01em;
  transition: color var(--trans);
  gap: 16px;
}

.accordion-trigger:hover {
  color: var(--gold);
}

.accordion-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-section);
  border: 1px solid var(--border);
  flex-shrink: 0;
  transition: background var(--trans), border-color var(--trans), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.dark-mode .accordion-icon {
  background: var(--surface);
}

.accordion-icon i {
  font-size: 0.6rem;
  color: var(--text-muted);
  transition: color var(--trans), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  background: var(--gold);
  border-color: var(--gold);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon i {
  color: #fff;
  transform: rotate(180deg);
}

/* Accordion body — smooth height animation */
.accordion-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-body.open {
  grid-template-rows: 1fr;
}

.accordion-body-inner {
  overflow: hidden;
}

.accordion-content {
  padding-bottom: 20px;
}

.accordion-content p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.8;
  margin: 0;
}

/* Detail list (key-value pairs) */
.accordion-detail-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.accordion-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-section);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.dark-mode .accordion-detail-item {
  background: var(--surface);
}

.detail-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
}

.detail-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--heading);
}

/* Deliverable list */
.deliverable-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.55;
  padding: 10px 14px;
  background: var(--bg-section);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}

.dark-mode .deliverable-item {
  background: var(--surface);
}

.deliverable-item::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 5px;
}

/* Result grid */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}

.result-item {
  padding: 18px 16px;
  background: var(--stat-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  text-align: center;
}

.result-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}

.result-num span {
  font-size: 1.1rem;
  font-weight: 700;
}

.result-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Card Footer ─────────────────────────────────────────────── */
.layihe-card-footer {
  padding: 24px 40px 32px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.layihe-client {
  display: flex;
  align-items: center;
  gap: 14px;
}

.layihe-client-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 3px;
}

.layihe-client-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-2);
}

/* ── LIGHTBOX ─────────────────────────────────────────────────── */
.prj-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(3, 8, 18, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

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

.prj-lb-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 72px 80px;
}

.prj-lb-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
  display: block;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.7);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.prj-lb-img-wrap img.lb-transitioning {
  opacity: 0;
  transform: scale(0.97);
}

/* Lightbox controls */
.prj-lb-close,
.prj-lb-prev,
.prj-lb-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.prj-lb-close {
  top: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  font-size: 1.05rem;
}

.prj-lb-close:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: rotate(90deg);
}

.prj-lb-prev,
.prj-lb-next {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  font-size: 0.9rem;
}

.prj-lb-prev {
  left: 24px;
}

.prj-lb-next {
  right: 24px;
}

.prj-lb-prev:hover,
.prj-lb-next:hover {
  background: rgba(200, 146, 42, 0.3);
  border-color: rgba(200, 146, 42, 0.5);
  transform: translateY(-50%) scale(1.05);
}

.prj-lb-prev:disabled,
.prj-lb-next:disabled {
  opacity: 0.25;
  pointer-events: none;
}

.prj-lb-counter {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.1em;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ── Reveal animation (IntersectionObserver) ─────────────────── */
.layihe-card.lp-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.layihe-card.lp-reveal.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ───────────────────────────────────────────────── */

/* 1024px */
@media (max-width: 1024px) {
  .layiheler-section {
    padding: 80px 0 100px;
  }

  .layihe-gallery {
    height: 360px;
  }

  .layihe-info {
    padding: 28px 32px 0;
  }

  .layihe-card-footer {
    padding: 20px 32px 28px;
  }
}

/* 768px */
@media (max-width: 768px) {
  .layiheler-section {
    padding: 64px 0 80px;
  }

  .layiheler-header {
    margin-bottom: 48px;
  }

  .layihe-card {
    margin-bottom: 40px;
  }

  /* Gallery: 2x2 grid on tablet */
  .layihe-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 200px 200px;
    height: auto;
  }

  .layihe-gallery-item--main {
    grid-column: 1 / 3;
    grid-row: 1;
  }

  .layihe-info {
    padding: 24px 24px 0;
  }

  .layihe-card-footer {
    padding: 18px 24px 24px;
  }

  .layihe-year {
    margin-left: 0;
    width: 100%;
  }

  .accordion-detail-list {
    grid-template-columns: 1fr 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* 560px */
@media (max-width: 560px) {
  .layiheler-section {
    padding: 52px 0 64px;
  }

  .layiheler-header {
    margin-bottom: 36px;
    padding: 0 8px;
  }

  /* Gallery: stacked on mobile */
  .layihe-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 140px;
  }

  .layihe-gallery-item--main {
    grid-column: 1 / 3;
    grid-row: 1;
  }

  /* Hide 4th image on small mobile, show more overlay on 3rd */
  .layihe-gallery-item:nth-child(4) {
    display: none;
  }

  .layihe-gallery-item:nth-child(3) {
    display: none;
  }

  .layihe-gallery-item--more {
    display: block;
    grid-column: 2;
  }

  .layihe-info {
    padding: 20px 20px 0;
  }

  .layihe-card-footer {
    padding: 16px 20px 22px;
  }

  .layihe-meta {
    gap: 10px;
  }

  .layihe-title {
    font-size: 1.2rem;
  }

  .accordion-trigger {
    font-size: 0.8125rem;
    padding: 16px 0;
  }

  .accordion-detail-list {
    grid-template-columns: 1fr;
  }

  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .result-num {
    font-size: 1.45rem;
  }

  .prj-lb-prev { left: 12px; }
  .prj-lb-next { right: 12px; }

  .prj-lb-img-wrap {
    padding: 64px 60px;
  }
}

/* 400px */
@media (max-width: 400px) {
  .layihe-gallery {
    grid-template-rows: 160px 120px;
  }

  .prj-lb-prev,
  .prj-lb-next {
    width: 42px;
    height: 42px;
  }

  .prj-lb-img-wrap {
    padding: 56px 48px;
  }
}