/* De Walvis - Custom Styles */
/* Inspired by clean scroll-through design */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom color variables */
:root {
  --walvis-blue: #2563EB;
  --walvis-blue-dark: #1E40AF;
  --walvis-blue-light: #DBEAFE;
  --walvis-navy: #0F172A;
  --walvis-warm: #F8FAFC;
}

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

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--walvis-blue);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hero section */
.hero-gradient {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #2563EB 100%);
}

.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.hero-wave svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 80px;
}

/* Section wave dividers */
.section-wave {
  position: relative;
  overflow: hidden;
  line-height: 0;
  margin-top: -1px;
}

.section-wave svg {
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

/* Timeline */
.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--walvis-blue-light), var(--walvis-blue), var(--walvis-blue-light));
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .timeline-line {
    left: 24px;
  }
}

.timeline-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid var(--walvis-blue);
  background: white;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.timeline-dot.active {
  background: var(--walvis-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
  width: 20px;
  height: 20px;
}

@media (max-width: 768px) {
  .timeline-dot {
    left: 24px;
  }
  .timeline-line ~ .relative {
    padding-left: 52px;
  }
}

/* Apartment cards */
.apartment-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.apartment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* Board member cards */
.board-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.board-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* Status badge pulse animation */
.status-pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 100;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 101;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 0.7;
}

/* ── Scroll reveal animations ── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation delays for children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }

.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Slide in from left/right */
.slide-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-left.visible,
.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Whale animation */
.whale-float {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Mobile menu */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-menu.open {
  max-height: 500px;
}

/* Feature icons */
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--walvis-blue-light);
  color: var(--walvis-blue);
  flex-shrink: 0;
}

/* Section divider */
.section-divider {
  width: 60px;
  height: 4px;
  background: var(--walvis-blue);
  border-radius: 2px;
}

/* Scroll indicator */
.scroll-indicator {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Animated counters */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* Gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.gallery-item {
  overflow: hidden;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.gallery-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

/* Plattegrond images - consistent max height */
.apartment-card img[src*="plattegronden"] {
  max-height: 300px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  display: block;
  object-fit: contain;
}

/* Slideshow */
.slideshow {
  position: relative;
  width: 100%;
  height: 100%;
}

.slideshow-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.slideshow-slide.active {
  opacity: 1;
}

.slideshow-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.slideshow-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.slideshow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: background 0.3s;
}

.slideshow-dot.active {
  background: white;
}

.slideshow-prev,
.slideshow-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background 0.2s;
}

.slideshow-prev:hover,
.slideshow-next:hover {
  background: rgba(0, 0, 0, 0.6);
}

.slideshow-prev { left: 8px; }
.slideshow-next { right: 8px; }

/* Contact form */
.form-input {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  border-color: var(--walvis-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Stats bar - like augmentedheart.com */
.stats-bar {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
}

/* Smooth section transitions */
section {
  position: relative;
}

/* Full-width highlight band between sections */
.highlight-band {
  background: linear-gradient(135deg, var(--walvis-blue) 0%, var(--walvis-blue-dark) 100%);
}

/* Clean card styles */
.info-card {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* Progress indicator in navbar */
.scroll-progress {
  position: fixed;
  top: 64px;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--walvis-blue), #60A5FA);
  z-index: 49;
  transition: width 0.1s linear;
}