/* ========================================
   KP Strechy - Warm & Organic Design
   Playfair Display + Source Sans 3
   Light mode + Terracotta accent
   Animations: Fade Up + Slide (cross-browser safe)
   ======================================== */

/* --- Animations (all use transform + opacity = GPU-accelerated, safe everywhere) --- */

/* Slide from left */
.slide-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide from right */
.slide-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Fade up */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-item {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-parent.visible .stagger-item {
  opacity: 1;
  transform: translateY(0);
}

.stagger-parent.visible .stagger-item:nth-child(1) { transition-delay: 0.05s; }
.stagger-parent.visible .stagger-item:nth-child(2) { transition-delay: 0.12s; }
.stagger-parent.visible .stagger-item:nth-child(3) { transition-delay: 0.19s; }
.stagger-parent.visible .stagger-item:nth-child(4) { transition-delay: 0.26s; }
.stagger-parent.visible .stagger-item:nth-child(5) { transition-delay: 0.33s; }
.stagger-parent.visible .stagger-item:nth-child(6) { transition-delay: 0.40s; }

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .slide-left, .slide-right, .fade-up, .scale-in, .stagger-item {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --- Hero image collage --- */
.hero-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 520px;
}

.hero-collage-main {
  grid-row: 1 / 3;
  grid-column: 1 / 2;
}

.hero-collage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-collage-main img {
  border-radius: 20px 0 0 20px;
  box-shadow: 0 20px 60px rgba(45, 52, 54, 0.15);
}

.hero-collage-top img {
  border-radius: 0 20px 0 0;
}

.hero-collage-bottom {
  position: relative;
}

.hero-collage-bottom img {
  border-radius: 0 0 20px 0;
}

/* Floating stat badge */
.hero-stat-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(184, 92, 56, 0.95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 16px 22px;
  z-index: 10;
  box-shadow: 0 8px 30px rgba(184, 92, 56, 0.3);
}

/* --- Service zigzag rows --- */
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.service-row.reversed {
  direction: rtl;
}

.service-row.reversed > * {
  direction: ltr;
}

.service-image-wrap {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 12px 40px rgba(45, 52, 54, 0.1);
}

.service-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-row:hover .service-image-wrap img {
  transform: scale(1.05);
}

.service-number {
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  line-height: 1;
  color: rgba(184, 92, 56, 0.12);
  margin-bottom: -10px;
}

/* --- Portfolio masonry --- */
.masonry-grid {
  columns: 3;
  column-gap: 16px;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.masonry-item:nth-child(odd) img {
  aspect-ratio: 3/4;
}

.masonry-item:nth-child(even) img {
  aspect-ratio: 4/3;
}

.masonry-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.masonry-item:hover img {
  transform: scale(1.06);
}

.masonry-overlay {
  position: absolute;
  inset: 0;
  background: rgba(45, 52, 54, 0);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: background 0.4s ease;
}

.masonry-item:hover .masonry-overlay {
  background: rgba(45, 52, 54, 0.7);
}

.masonry-info {
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.masonry-item:hover .masonry-info {
  transform: translateY(0);
  opacity: 1;
}

/* --- Feature cards --- */
.feature-card {
  background: #ffffff;
  border: 1px solid rgba(45, 52, 54, 0.06);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 12px rgba(45, 52, 54, 0.04);
}

.feature-card:hover {
  border-color: rgba(184, 92, 56, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(184, 92, 56, 0.1);
}

/* --- CTA banner --- */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45, 52, 54, 0.75);
  z-index: 1;
}

.cta-section img.cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.cta-section .cta-content {
  position: relative;
  z-index: 2;
}

/* --- Contact split --- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(45, 52, 54, 0.1);
}

.contact-dark-side {
  background: #2D3436;
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-light-side {
  background: #FAF7F2;
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-light-side input,
.contact-light-side textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid #E8E0D5;
  border-radius: 12px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.95rem;
  color: #2D3436;
  background: #ffffff;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-light-side input:focus,
.contact-light-side textarea:focus {
  outline: none;
  border-color: #B85C38;
  box-shadow: 0 0 0 3px rgba(184, 92, 56, 0.12);
}

.contact-light-side textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-light-side label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #2D3436;
  margin-bottom: 6px;
  display: block;
}

/* --- Footer --- */
.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

/* --- Navbar --- */
.navbar-warm {
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar-warm.scrolled {
  background: rgba(250, 247, 242, 0.95);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(45, 52, 54, 0.08);
}

/* Mobile menu */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 52, 54, 0.97);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-overlay a {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: #FAF7F2;
  transition: color 0.3s ease;
}

.mobile-nav-overlay a:hover {
  color: #B85C38;
}

/* Hamburger button */
.hamburger {
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #2D3436;
  position: absolute;
  left: 0;
  transition: 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }

.hamburger.active span {
  background: #FAF7F2;
}

.hamburger.active span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* Scroll to top */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: #B85C38;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
  border: none;
  box-shadow: 0 4px 16px rgba(184, 92, 56, 0.3);
}

.scroll-top-btn.show {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: #9A4828;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-collage {
    height: 400px;
  }

  .service-row {
    gap: 40px;
  }

  .masonry-grid {
    columns: 2;
  }
}

@media (max-width: 768px) {
  .hero-collage {
    height: 300px;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    gap: 8px;
  }

  .hero-collage-main {
    grid-row: 1;
  }

  .hero-collage-top {
    display: none;
  }

  .hero-collage-bottom {
    display: none;
  }

  .hero-collage-main img {
    border-radius: 16px;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .service-row.reversed {
    direction: ltr;
  }

  .service-number {
    font-size: 3.5rem;
  }

  .masonry-grid {
    columns: 1;
  }

  .contact-split {
    grid-template-columns: 1fr;
  }

  .contact-dark-side,
  .contact-light-side {
    padding: 40px 24px;
  }

  .masonry-info {
    opacity: 1;
    transform: translateY(0);
  }

  .masonry-overlay {
    background: rgba(45, 52, 54, 0.5);
  }
}