/*
 * VRPL Website - Section Styles
 * Hero sections, specialized page sections
 */

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Hero Background */
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Hero Overlay */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: 2;
}

/* Copper Diagonal Streak */
.copper-streak {
  position: absolute;
  top: 0;
  right: 20%;
  width: 200px;
  height: 100%;
  background: var(--gradient-copper-streak);
  transform: skewX(-10deg);
  opacity: 0.15;
  z-index: 3;
  animation: streakPulse 8s ease-in-out infinite;
}

@keyframes streakPulse {
  0%, 100% {
    opacity: 0.15;
    transform: skewX(-10deg) translateX(0);
  }
  50% {
    opacity: 0.25;
    transform: skewX(-10deg) translateX(20px);
  }
}

/* Particle Container */
.particle-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  pointer-events: none;
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 5;
  width: 100%;
  text-align: center;
  padding: var(--space-2xl);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--leading-relaxed);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.hero-stats .stat-item {
  min-width: 150px;
}

/* Hero CTA */
.hero-cta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive Hero */
@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-subtitle {
    font-size: var(--text-lg);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }

  .copper-streak {
    display: none;
  }
}

/* ========================================
   PHASE TIMELINE
   ======================================== */

.phase-timeline {
  position: relative;
  padding: var(--space-3xl) 0;
}

.phase-block {
  background: var(--gradient-industrial);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  position: relative;
}

.phase-number {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  color: var(--copper-medium);
  opacity: 0.2;
  font-family: var(--font-display);
}

.phase-title {
  font-size: var(--text-3xl);
  color: var(--copper-light);
  margin-bottom: var(--space-md);
}

.phase-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: var(--leading-relaxed);
}

.phase-list {
  list-style: none;
  padding: 0;
}

.phase-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.phase-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--copper-medium);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--copper-glow);
}

.phase-connector {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--space-2xl) 0;
}

.connector-vertical-line {
  width: 3px;
  height: 60px;
  background: linear-gradient(180deg, var(--copper-medium), var(--light-green));
  position: relative;
}

.connector-circle {
  width: 16px;
  height: 16px;
  background: var(--copper-medium);
  border: 3px solid var(--background-dark);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--copper-glow);
}

/* ========================================
   FOUNDER CARD
   ======================================== */

.founder-card {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  background: var(--gradient-industrial);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 900px;
  margin: 0 auto;
}

.founder-image {
  flex: 0 0 200px;
}

.founder-image img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--copper-medium);
  box-shadow: 0 0 30px var(--copper-glow);
}

.founder-info {
  flex: 1;
}

.founder-name {
  font-size: var(--text-2xl);
  color: var(--copper-light);
  margin-bottom: var(--space-xs);
}

.founder-title {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.founder-bio {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .founder-card {
    flex-direction: column;
    text-align: center;
  }

  .founder-image {
    flex: 0 0 auto;
  }
}

/* ========================================
   COMPARISON TABLE
   ======================================== */

.lca-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.comparison-table {
  background: var(--gradient-industrial);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.comparison-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 2px solid rgba(156, 106, 74, 0.2);
}

.comparison-header h3 {
  font-size: var(--text-xl);
  color: var(--copper-light);
}

.comparison-row {
  display: grid;
  grid-template-columns: 2fr 1fr auto 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(156, 106, 74, 0.1);
}

.comparison-metric {
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}

.comparison-plasma {
  font-weight: var(--weight-bold);
  color: var(--light-green);
  text-align: center;
}

.comparison-vs {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  text-align: center;
}

.comparison-incin {
  font-weight: var(--weight-bold);
  color: var(--text-tertiary);
  text-align: center;
  opacity: 0.6;
}

.lca-summary {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.lca-summary h3 {
  font-size: var(--text-xl);
  color: var(--copper-light);
  margin-bottom: var(--space-lg);
}

.lca-summary ul {
  list-style: none;
  padding: 0;
}

.lca-summary li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.lca-summary li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--light-green);
  font-weight: var(--weight-bold);
}

@media (max-width: 1024px) {
  .lca-comparison {
    grid-template-columns: 1fr;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .comparison-vs {
    display: none;
  }
}

/* ========================================
   CONTACT FORM
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
}

.contact-form-container,
.contact-info {
  background: var(--gradient-industrial);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(28, 28, 28, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper-light);
  box-shadow: 0 0 0 3px rgba(156, 106, 74, 0.1);
}

.info-block {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  margin-bottom: var(--space-xl);
}

.info-icon {
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(156, 106, 74, 0.1);
  border-radius: var(--radius-md);
}

.info-content h3 {
  font-size: var(--text-lg);
  color: var(--copper-light);
  margin-bottom: var(--space-xs);
}

.info-content a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.info-content a:hover {
  color: var(--copper-light);
}

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   ADDITIONAL SECTIONS FOR NEW PAGES
   ======================================== */

/* Economics Section */
.economics-content {
  max-width: 1000px;
  margin: 0 auto;
}

.efficiency-showcase {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

.efficiency-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.efficiency-item {
  text-align: center;
  padding: var(--space-xl);
  background: var(--gradient-industrial);
  border: 2px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  min-width: 200px;
}

.efficiency-item.input {
  border-color: var(--copper-medium);
}

.efficiency-item.output {
  border-color: var(--light-green);
}

.efficiency-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.efficiency-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  color: var(--copper-light);
  margin-bottom: var(--space-sm);
}

.efficiency-note {
  display: block;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-style: italic;
}

.economics-explanation {
  margin-top: var(--space-2xl);
}

.economics-explanation h3 {
  font-size: var(--text-xl);
  color: var(--copper-light);
  margin-bottom: var(--space-lg);
}

.economics-list {
  list-style: none;
  padding: 0;
}

.economics-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.economics-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--copper-medium);
  font-weight: var(--weight-bold);
}

/* Sensitivity Analysis */
.sensitivity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.sensitivity-card {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.sensitivity-card.highlight {
  border-color: var(--copper-medium);
  border-width: 2px;
  box-shadow: 0 0 30px rgba(156, 106, 74, 0.2);
}

.sensitivity-card:hover {
  transform: translateY(-5px);
  border-color: var(--copper-light);
}

.sensitivity-card h3 {
  font-size: var(--text-lg);
  color: var(--copper-light);
  margin-bottom: var(--space-md);
}

.graph-placeholder {
  margin-top: var(--space-lg);
  width: 100%;
  height: 200px;
  background: rgba(28, 28, 28, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.graph-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.parameter-list {
  list-style: none;
  padding: 0;
}

.parameter-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.parameter-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--copper-medium);
  font-weight: var(--weight-bold);
}

.cost-analysis {
  margin-top: var(--space-3xl);
  padding: var(--space-2xl);
  background: rgba(73, 109, 83, 0.1);
  border: 1px solid rgba(73, 109, 83, 0.3);
  border-radius: var(--radius-lg);
}

.cost-analysis h3 {
  font-size: var(--text-2xl);
  color: var(--light-green);
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* LCA Results */
.lca-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.lca-card {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.lca-card.highlight {
  border-color: var(--copper-medium);
  border-width: 2px;
  box-shadow: 0 0 40px rgba(156, 106, 74, 0.2);
}

.lca-card h3 {
  font-size: var(--text-xl);
  color: var(--copper-light);
  margin-bottom: var(--space-lg);
}

.lca-number {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  color: var(--copper-light);
  display: block;
  margin: var(--space-lg) 0;
  text-shadow: 0 0 30px var(--copper-glow);
}

.lca-card .note {
  font-size: var(--text-sm);
  color: var(--light-green);
  font-style: italic;
  margin-top: var(--space-md);
}

/* Challenge Lists */
.challenge-list,
.improvement-list {
  list-style: none;
  padding: 0;
}

.challenge-list li,
.improvement-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.challenge-list li::before {
  content: '⚠';
  position: absolute;
  left: 0;
  color: var(--copper-medium);
}

.improvement-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--light-green);
  font-weight: var(--weight-bold);
}

/* WTE Challenges Article */
.challenges-article {
  max-width: 1200px;
  margin: 0 auto;
}

.challenges-article h3 {
  font-size: var(--text-3xl);
  color: var(--copper-light);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.challenge-block {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.challenge-block h4 {
  font-size: var(--text-2xl);
  color: var(--copper-light);
  margin-bottom: var(--space-lg);
}

.challenge-block p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.challenge-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.challenge-images img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(156, 106, 74, 0.3);
}

/* WTE Comparison Summary */
.wte-comparison-summary {
  margin-top: var(--space-3xl);
  padding: var(--space-3xl);
  background: linear-gradient(135deg, rgba(28, 59, 44, 0.3), rgba(46, 46, 46, 0.5));
  border: 2px solid var(--copper-medium);
  border-radius: var(--radius-xl);
}

.wte-comparison-summary h3 {
  font-size: var(--text-3xl);
  color: var(--copper-light);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.comparison-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.summary-card {
  background: rgba(46, 46, 46, 0.7);
  border: 1px solid rgba(167, 200, 161, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.summary-card:hover {
  transform: translateY(-5px);
  border-color: var(--light-green);
  box-shadow: 0 0 20px rgba(167, 200, 161, 0.3);
}

.summary-card h4 {
  font-size: var(--text-lg);
  color: var(--light-green);
  margin-bottom: var(--space-sm);
  font-weight: var(--weight-semibold);
}

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

/* Gasification Definition */
.gasification-definition {
  padding: var(--space-4xl) 0;
}

.definition-content {
  max-width: 900px;
  margin: 0 auto;
}

.process-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}

.highlight-box {
  background: rgba(156, 106, 74, 0.1);
  border: 2px solid var(--copper-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.highlight-box:hover {
  border-color: var(--copper-light);
  box-shadow: 0 0 30px rgba(156, 106, 74, 0.3);
  transform: translateY(-5px);
}

.highlight-box h3 {
  font-size: var(--text-xl);
  color: var(--copper-light);
  margin-bottom: var(--space-md);
  text-align: center;
}

.highlight-box p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  text-align: center;
}

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3xl);
  align-items: start;
}

.two-column.reverse {
  grid-template-columns: repeat(2, 1fr);
}

.column {
  width: 100%;
}

.tech-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(156, 106, 74, 0.3);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 1024px) {
  .two-column,
  .two-column.reverse {
    grid-template-columns: 1fr;
  }

  .two-column.reverse .column:first-child {
    order: 2;
  }

  .two-column.reverse .column:last-child {
    order: 1;
  }
}

/* Alignment Cards */
.alignment-card {
  background: rgba(46, 46, 46, 0.5);
  border: 1px solid rgba(156, 106, 74, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.alignment-card:hover {
  transform: translateY(-5px);
  border-color: var(--copper-light);
  box-shadow: 0 0 24px rgba(167, 200, 161, 0.3);
}

.alignment-card h3 {
  font-size: var(--text-lg);
  color: var(--copper-light);
  margin-bottom: var(--space-md);
}

.alignment-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}