/*
 * Skylon Global - Industries Page Specific Stylesheet
 * 100% Consistent with Global Design System
 */

/* --- Custom Scroll-triggered reveal states --- */
.reveal-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Hero Section Extras --- */
#industries-hero {
  padding-bottom: 8rem;
}

.hero-decor-grid {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  opacity: 0.15;
  pointer-events: none;
  z-index: 1;
}

/* --- Stats Bar Section --- */
.industries-stats-bar {
  background-color: var(--color-secondary);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: 2.5rem 0;
  position: relative;
  z-index: 10;
  margin-top: -3rem;
  border-radius: var(--border-radius-md);
  margin-left: 2rem;
  margin-right: 2rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-card {
  padding: 0.5rem 1rem;
  position: relative;
}

.stat-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 25%;
  height: 50%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 1024px) {
  .industries-stats-bar {
    margin-top: -1.5rem;
    margin-left: 1rem;
    margin-right: 1rem;
    padding: 2rem 0;
  }
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .stat-card:nth-child(3)::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .stat-card::after {
    display: none !important;
  }
  .stat-card {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1rem;
  }
  .stat-card:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

/* --- Alternating Industry Sections --- */
.industry-visual-container {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

.industry-visual-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.industry-visual-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10, 25, 47, 0.2) 0%, rgba(10, 25, 47, 0.75) 100%);
  pointer-events: none;
}

.section-light .industry-visual-container {
  background-color: var(--color-bg-white);
  border: 1px solid rgba(10, 31, 51, 0.08);
}

.industry-visual-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border-color: rgba(198, 255, 59, 0.3);
}

.industry-visual-container:hover .industry-visual-img {
  transform: scale(1.05);
  opacity: 0.95;
}

/* Float Animation */
@keyframes softFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.floating-graphic {
  animation: softFloat 6s ease-in-out infinite;
}

/* SVG Molecule Animation */
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.svg-spin-slow {
  animation: spinSlow 30s linear infinite;
  transform-origin: center;
}

/* Flow/Pulse Animation */
@keyframes pulseGlow {
  0% { opacity: 0.4; r: 4px; }
  50% { opacity: 0.9; r: 7px; }
  100% { opacity: 0.4; r: 4px; }
}
.pulse-point {
  animation: pulseGlow 2.5s infinite ease-in-out;
}

/* Spec Badges overlay */
.spec-badge {
  position: absolute;
  background: rgba(10, 31, 51, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
  padding: 0.5rem 0.85rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
  transition: var(--transition-smooth);
}

.section-light .spec-badge {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(10, 31, 51, 0.1);
  color: var(--color-primary);
}

.industry-visual-container:hover .spec-badge {
  background: var(--color-primary);
  border-color: var(--color-accent);
  color: var(--color-text-light);
  transform: scale(1.05);
}

/* Alternating visual overlays positions */
.sb-1 { top: 10%; left: 8%; }
.sb-2 { bottom: 12%; right: 10%; }
.sb-3 { top: 25%; right: 8%; }
.sb-4 { bottom: 15%; left: 10%; }

/* Key chemicals chips */
.chem-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 2rem 0;
}

.chem-chip {
  background-color: rgba(10, 31, 51, 0.04);
  border: 1px solid rgba(10, 31, 51, 0.08);
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  cursor: default;
}

.section-dark .chem-chip {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-light);
}

.chem-chip:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.section-dark .chem-chip:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

/* --- Timeline Sourcing Process Section --- */
.timeline-section {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
  padding: 5rem 0;
}

.timeline-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 20%, rgba(198, 255, 59, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.timeline-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 3rem auto 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.timeline-line, .timeline-progress, .timeline-dot {
  display: none;
}

.timeline-item {
  position: relative;
  width: 100%;
  padding: 0;
  left: 0 !important;
  text-align: left !important;
  display: flex;
  flex-direction: column;
}

.timeline-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem 1.5rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.timeline-content:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.timeline-step {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-accent);
  background: rgba(198, 255, 59, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  margin-bottom: 1.25rem;
  letter-spacing: 1px;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.35;
}

.timeline-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .timeline-wrapper {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }
}

@media (max-width: 640px) {
  .timeline-wrapper {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* --- Testimonials Section --- */
.testimonials-section {
  background-color: var(--color-bg-white);
  color: var(--color-text-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}

.testimonial-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border-dark);
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 2rem;
  font-family: var(--font-heading);
  font-size: 6rem;
  font-weight: 900;
  color: rgba(10, 31, 51, 0.03);
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(10, 31, 51, 0.15);
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-dark);
  line-height: 1.6;
  margin-bottom: 2rem;
  position: relative;
  z-index: 2;
}

.testimonial-client {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.client-info h5 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.client-info p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

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

/* --- FAQ Accordion Section --- */
.faq-section {
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border-dark);
}

.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: var(--transition-fast);
}

.faq-header:hover {
  background-color: rgba(10, 31, 51, 0.02);
}

.faq-header h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0;
}

.faq-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: var(--transition-smooth);
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.active .faq-icon {
  transform: rotate(135deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-content {
  padding: 0 2rem 1.5rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  line-height: 1.6;
}

/* --- Premium CTA Section --- */
.premium-cta {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.premium-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(198, 255, 59, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 5;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.cta-content p {
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .cta-content h2 {
    font-size: 2.25rem;
  }
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
}

/* ==========================================================================
   15. Mobile and Tablet Optimizations (Full Responsiveness & No Squeezing)
   ========================================================================== */
.industry-visual-container svg {
  width: 70% !important;
  height: 70% !important;
  max-width: 250px !important;
  max-height: 250px !important;
  min-width: 80px !important;
  display: block;
}

@media (max-width: 1024px) {
  .industry-visual-container {
    height: 260px !important;
    margin-top: 1rem !important;
  }
}

@media (max-width: 768px) {
  /* Section Padding */
  .section {
    padding: 3rem 1rem !important;
  }

  /* Full-width 1-column layout for mobile to prevent squeezing */
  .section-light .grid-2,
  .section-dark .grid-2,
  .grid-2 {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.75rem !important;
    align-items: stretch !important;
  }

  /* Text column full width */
  .grid-2 > div {
    width: 100% !important;
  }
  
  /* Text styling for maximum mobile legibility */
  .section-title {
    font-size: 1.6rem !important;
    margin-bottom: 0.75rem !important;
    line-height: 1.3 !important;
  }
  
  .section-tag {
    font-size: 0.75rem !important;
    margin-bottom: 0.5rem !important;
  }
  
  .grid-2 p {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
  }
  
  .chem-chips {
    margin: 1rem 0 !important;
    gap: 0.5rem !important;
    flex-wrap: wrap !important;
  }
  
  .chem-chip {
    font-size: 0.8rem !important;
    padding: 0.35rem 0.75rem !important;
  }
  
  .btn {
    padding: 0.75rem 1.4rem !important;
    font-size: 0.9rem !important;
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Image Visual Container on Mobile */
  .industry-visual-container {
    height: 220px !important;
    width: 100% !important;
    border-radius: 12px !important;
    overflow: hidden !important;
  }

  .industry-visual-img {
    height: 100% !important;
    width: 100% !important;
    object-fit: cover !alignment !important;
  }
  
  /* Show spec badges cleanly on mobile */
  .spec-badge {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    display: inline-block !important;
    margin: 0.4rem 0.4rem 0 0 !important;
    font-size: 0.75rem !important;
    padding: 0.3rem 0.6rem !important;
  }

  /* Sourcing Timeline - PC-Style Horizontal Infographic Track for Mobile */
  .timeline-wrapper {
    display: flex !important;
    flex-direction: row !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    gap: 1.25rem !important;
    padding: 1.25rem 0.5rem 1.5rem 0.5rem !important;
    position: relative !important;
  }

  .timeline-wrapper::-webkit-scrollbar {
    height: 4px;
  }
  .timeline-wrapper::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 4px;
  }

  .timeline-line {
    display: block !important;
    position: absolute !important;
    top: 45px !important;
    left: 40px !important;
    right: 40px !important;
    height: 2px !important;
    background: repeating-linear-gradient(to right, rgba(198, 255, 59, 0.5) 0, rgba(198, 255, 59, 0.5) 8px, transparent 8px, transparent 16px) !important;
    z-index: 1 !important;
  }

  .timeline-progress {
    display: none !important;
  }

  .timeline-item {
    flex: 0 0 280px !important;
    min-width: 280px !important;
    scroll-snap-align: start !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    padding: 1.5rem 1.25rem !important;
    background: rgba(17, 34, 64, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 14px !important;
    position: relative !important;
    z-index: 2 !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3) !important;
  }

  .timeline-dot {
    display: flex !important;
    width: 44px !important;
    height: 44px !important;
    border-radius: 50% !important;
    background: #0A192F !important;
    border: 2px solid var(--color-accent) !important;
    color: var(--color-accent) !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    align-items: center !important;
    justify-content: center !important;
    margin-bottom: 1rem !important;
    box-shadow: 0 0 14px rgba(198, 255, 59, 0.35) !important;
  }

  .timeline-step {
    font-size: 0.75rem !important;
    color: var(--color-accent) !important;
    font-weight: 700 !important;
    letter-spacing: 1px !important;
    margin-bottom: 0.35rem !important;
  }

  .timeline-title {
    font-size: 1.15rem !important;
    color: #FFFFFF !important;
    margin-bottom: 0.5rem !important;
    font-weight: 600 !important;
  }

  .timeline-text {
    font-size: 0.88rem !important;
    line-height: 1.55 !important;
    color: #CBD5E1 !important;
  }

  /* Custom Chemical Sourcing Form Mobile Optimization */
  .rfq-form-card,
  #custom-sourcing-form,
  .custom-sourcing-container {
    width: 100% !important;
    padding: 1.75rem 1.25rem !important;
    box-sizing: border-box !important;
    background: rgba(17, 34, 64, 0.95) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-radius: 14px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4) !important;
  }

  .custom-sourcing-form {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 1.1rem !important;
    width: 100% !important;
  }

  .file-upload-group,
  .custom-submit-btn {
    grid-column: span 1 !important;
    width: 100% !important;
  }

  .form-group-row {
    display: flex !important;
    flex-direction: column !important;
    gap: 1.1rem !important;
    margin-bottom: 1.1rem !important;
  }

  .form-group {
    width: 100% !important;
    margin-bottom: 0 !important;
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100% !important;
    font-size: 1rem !important; /* 16px prevents iOS zoom */
    padding: 0.9rem 1.1rem !important;
    box-sizing: border-box !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 8px !important;
    color: #FFFFFF !important;
  }

  .form-group label {
    font-size: 0.85rem !important;
    margin-bottom: 0.45rem !important;
    display: block !important;
    color: #E2E8F0 !important;
    font-weight: 600 !important;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 2.5rem 0.85rem !important;
  }
  
  .section-title {
    font-size: 1.4rem !important;
  }
  
  .grid-2 p {
    font-size: 0.9rem !important;
  }
  
  .industry-visual-container {
    height: 190px !important;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem !important;
  }

  .stat-number {
    font-size: 1.6rem !important;
  }
}