/* Glass */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-glass);
  border-radius: var(--glass-radius);
  box-shadow: var(--shadow-glass);
}

.glass-strong {
  background: var(--glass-bg-strong);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: var(--touch-min);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--glass-radius-sm);
  transition:
    transform var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-teal), #14b8a6);
  color: var(--bg-deep);
  border: 1px solid transparent;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-teal);
  color: var(--bg-deep);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--border-glass-hover);
  background: var(--glass-bg-strong);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
}

@media (min-width: 480px) {
  .btn-group {
    flex-direction: row;
    width: auto;
  }
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.35rem 0.75rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid var(--border-glass);
  background: var(--glass-bg);
}

.badge-teal { color: var(--accent-teal); border-color: rgba(45, 212, 191, 0.3); background: var(--accent-teal-dim); }
.badge-violet { color: var(--accent-violet); border-color: rgba(167, 139, 250, 0.3); background: var(--accent-violet-dim); }
.badge-amber { color: var(--accent-amber); border-color: rgba(251, 191, 36, 0.3); background: var(--accent-amber-dim); }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: calc(var(--nav-height) + var(--safe-top));
  padding-top: var(--safe-top);
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
  white-space: nowrap;
}

.nav-logo span {
  color: var(--accent-teal);
}

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

.lang-toggle {
  display: flex;
  border: 1px solid var(--border-glass);
  border-radius: var(--glass-radius-sm);
  overflow: hidden;
}

.lang-btn {
  min-width: var(--touch-min);
  min-height: 36px;
  padding: 0 var(--space-md);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
}

.lang-btn.active {
  background: var(--accent-teal-dim);
  color: var(--accent-teal);
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--touch-min);
  height: var(--touch-min);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
  display: none;
}

.nav-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 998;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.nav-drawer-overlay.open {
  display: block;
  opacity: 1;
}

.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 999;
  width: min(320px, 85vw);
  height: 100%;
  padding: calc(var(--nav-height) + var(--safe-top) + var(--space-lg)) var(--space-xl) var(--space-xl);
  background: rgba(18, 18, 26, 0.95);
  backdrop-filter: blur(24px);
  border-left: 1px solid var(--border-glass);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  overflow-y: auto;
}

.nav-drawer.open {
  transform: translateX(0);
}

.nav-drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-drawer-links a {
  display: flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--glass-radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.nav-drawer-links a:hover,
.nav-drawer-links a.active {
  color: var(--text-primary);
  background: var(--glass-bg);
}

@media (min-width: 1024px) {
  .nav-toggle,
  .nav-drawer,
  .nav-drawer-overlay {
    display: none !important;
  }

  .nav-inner {
    max-width: var(--container-nav-max);
    gap: var(--space-md);
  }

  .nav-logo {
    flex-shrink: 0;
    font-size: var(--text-base);
  }

  .nav-links {
    display: flex;
    flex: 1;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    min-width: 0;
  }

  .nav-links a {
    flex-shrink: 0;
    white-space: nowrap;
    padding: var(--space-sm) 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    border-radius: var(--glass-radius-sm);
    min-height: 36px;
    display: flex;
    align-items: center;
    transition: all var(--duration-fast) var(--ease-out);
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: var(--text-primary);
    background: var(--glass-bg);
  }

  .nav-actions {
    flex-shrink: 0;
  }
}

@media (min-width: 1280px) {
  .nav-links {
    gap: var(--space-xs);
  }

  .nav-links a {
    padding: var(--space-sm) 0.625rem;
    font-size: var(--text-sm);
  }
}

/* Cards */
.card {
  padding: var(--space-xl);
  transition: transform var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out);
}

.card:hover {
  border-color: var(--border-glass-hover);
}

@media (hover: hover) {
  .card-lift:hover {
    transform: translateY(-4px);
  }
}

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  padding: var(--space-lg);
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--accent-teal);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-teal), var(--accent-violet), transparent);
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-xl) + 2px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-teal);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.5);
}

.timeline-phase {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-violet);
  margin-bottom: var(--space-sm);
}

.timeline-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.timeline-desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.timeline-clients {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.timeline-clients span {
  font-size: var(--text-xs);
  padding: 0.25rem 0.6rem;
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  color: var(--text-muted);
}

/* Method cards */
.method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .method-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.method-card {
  padding: var(--space-xl);
}

.method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--glass-radius-sm);
  margin-bottom: var(--space-md);
}

.method-icon-teal { background: var(--accent-teal-dim); color: var(--accent-teal); }
.method-icon-violet { background: var(--accent-violet-dim); color: var(--accent-violet); }
.method-icon-amber { background: var(--accent-amber-dim); color: var(--accent-amber); }

.method-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-sm);
}

.method-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Gallery filters */
.filter-scroll {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-xl);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-scroll::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  flex-shrink: 0;
  min-height: var(--touch-min);
  padding: 0 var(--space-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  background: var(--glass-bg);
  transition: all var(--duration-fast) var(--ease-out);
}

.filter-chip.active {
  color: var(--accent-teal);
  border-color: rgba(45, 212, 191, 0.4);
  background: var(--accent-teal-dim);
}

.filter-chip:hover:not(.active) {
  color: var(--text-primary);
  border-color: var(--border-glass-hover);
}

/* Gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--glass-radius);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--duration-slow) var(--ease-out);
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.03);
}

.gallery-item-caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  font-size: var(--text-sm);
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out);
}

.gallery-item:hover .gallery-item-caption,
.gallery-item:focus-visible .gallery-item-caption {
  transform: translateY(0);
}

.gallery-item.hidden {
  display: none;
}

/* Zoomable screenshots */
.zoomable {
  cursor: zoom-in;
  position: relative;
}

.zoomable:focus-visible {
  outline: 2px solid var(--accent-teal);
  outline-offset: 3px;
}

.zoomable::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(0, 0, 0, 0);
  transition: background var(--duration-fast) var(--ease-out);
  pointer-events: none;
}

@media (hover: hover) {
  .zoomable:hover::after {
    background: rgba(0, 0, 0, 0.15);
  }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  padding-top: calc(var(--safe-top) + var(--space-xl));
  padding-bottom: calc(var(--safe-bottom) + var(--space-md));
  background: rgba(0, 0, 0, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
}

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

.lightbox-content {
  width: min(96vw, 1600px);
  max-height: calc(100vh - var(--safe-top) - var(--safe-bottom) - 5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.lightbox-content img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - var(--safe-top) - var(--safe-bottom) - 6rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--glass-radius-sm);
  border: 1px solid var(--border-glass);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.lightbox-caption {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  max-width: 60ch;
}

.lightbox-close {
  position: absolute;
  top: calc(var(--safe-top) + var(--space-md));
  right: calc(var(--safe-right) + var(--space-md));
  width: var(--touch-min);
  height: var(--touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--text-primary);
  background: var(--glass-bg);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
}

/* AI flow diagram */
.ai-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .ai-flow {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

.ai-flow-node {
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  min-width: 140px;
}

.ai-flow-node h4 {
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.ai-flow-node p {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.ai-flow-arrow {
  color: var(--accent-violet);
  font-size: var(--text-xl);
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .ai-flow-arrow {
    transform: rotate(0deg);
  }
}