/* Component Styles */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  border: var(--border-width-thick) solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-primary);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-accent-primary);
  box-shadow: var(--glow-accent);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-bright);
}

.btn-outline:hover {
  border-color: var(--color-accent-primary);
  color: var(--color-accent-primary);
  box-shadow: var(--glow-accent);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: none;
  padding: var(--space-3) var(--space-4);
}

.btn-ghost:hover {
  color: var(--color-accent-primary);
}

.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Cards */
.card {
  background-color: var(--color-bg-elevated);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  height: 200px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.card-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

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

.form-helper {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: #ff4444;
  margin-top: var(--space-2);
}

.form-input.error,
.form-textarea.error {
  border-color: #ff4444;
}

/* Service Pipeline Card */
.service-card {
  position: relative;
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-secondary) 100%);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.pipeline-card {
  min-width: 400px;
  scroll-snap-align: start;
}

@media (max-width: 768px) {
  .pipeline-card {
    min-width: 280px;
  }

  #services-pipeline {
    flex-direction: column;
    align-items: stretch;
  }
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent-primary) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-dim);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-3xl);
  color: var(--color-accent-primary);
}

.service-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-3);
}

.service-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-accent-dim);
  border-radius: var(--border-radius-sm);
}

.section-title {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Dividers */
.divider {
  width: 100%;
  height: var(--border-width-thin);
  background: linear-gradient(90deg, transparent 0%, var(--color-border) 50%, transparent 100%);
  margin: var(--space-10) 0;
}

.divider-glow {
  background: linear-gradient(90deg, transparent 0%, var(--color-accent-primary) 50%, transparent 100%);
  box-shadow: var(--glow-accent);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}

.scroll-indicator::after {
  content: '';
  width: 20px;
  height: 30px;
  border: 2px solid var(--color-text-muted);
  border-radius: 15px;
  position: relative;
}

.scroll-indicator::before {
  content: '';
  width: 4px;
  height: 8px;
  background-color: var(--color-accent-primary);
  border-radius: 2px;
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

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

@keyframes scroll {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* 3D Viewer Container */
.viewer-3d {
  width: 100%;
  height: 500px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: var(--border-width-thin) solid var(--color-border);
  overflow: hidden;
  position: relative;
  touch-action: pan-y;
}

@media (max-width: 768px) {
  .viewer-3d {
    height: 300px;
  }
}

.viewer-controls {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  background-color: rgba(26, 26, 26, 0.9);
  padding: var(--space-2);
  border-radius: var(--border-radius-md);
  border: var(--border-width-thin) solid var(--color-border);
  z-index: 10;
}

.viewer-controls button {
  padding: var(--space-2) var(--space-3);
  background-color: transparent;
  color: var(--color-text-secondary);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.viewer-controls button:hover {
  background-color: var(--color-accent-dim);
  color: var(--color-accent-primary);
}

/* ── Extended Capabilities ── */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  max-width: 1100px;
  margin: 0 auto;
}

.capability-card {
  background-color: var(--color-bg-primary);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-6);
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.capability-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-2px);
}

.capability-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  line-height: 1;
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.capability-card.in-view .capability-icon {
  animation: iconFlipIn 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.capability-card:hover .capability-icon {
  transform: scale(1.25) rotateY(180deg);
}

@keyframes iconFlipIn {
  0%   { opacity: 0; transform: perspective(400px) rotateX(90deg) scale(0.5); }
  60%  { opacity: 1; transform: perspective(400px) rotateX(-10deg) scale(1.05); }
  100% { opacity: 1; transform: perspective(400px) rotateX(0) scale(1); }
}

.capability-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.capability-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Portfolio Section ── */

.filter-bar {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  padding: var(--space-4) 0;
}

.filter-btn {
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-accent-dim);
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-6);
}

.project-card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-accent-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.project-thumbnail {
  width: 100%;
  height: 250px;
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-elevated) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  position: relative;
  overflow: hidden;
}

.portfolio-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--color-bg-secondary);
}

.project-info {
  padding: var(--space-5);
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.project-tag {
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  background-color: var(--color-accent-dim);
  color: var(--color-accent-primary);
  border-radius: var(--border-radius-sm);
}

.project-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.project-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Portfolio Modal */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: var(--z-modal);
  overflow-y: auto;
}

.modal.active { display: block; }

.modal-content {
  max-width: 1200px;
  margin: var(--space-10) auto;
  padding: var(--space-8);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-4); right: var(--space-4);
  font-size: var(--font-size-3xl);
  color: var(--color-text-muted);
  cursor: pointer;
  background: none; border: none;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

@media (max-width: 640px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
  .modal-content {
    margin: var(--space-4);
    padding: var(--space-5);
  }
  .filter-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
}