/* Presentation Styles — Extracted from slides, no image display */
/* Colors: Dark Blue #001d4a, Orange #f48c32, White #ffffff */

:root {
  --dark-blue: #001d4a;
  --blue-alt: #00245b;
  --orange: #f48c32;
  --orange-alt: #f18a3a;
  --white: #ffffff;
  --light-gray: #f2f2f2;
  --gray: #e0e0e0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--light-gray);
  color: #333;
}

.presentation {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.slide {
  background: var(--white);
  margin-bottom: 3rem;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* ===== Slide 1 ===== */
.slide-1 {
  padding: 0;
}

.slide-1 img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== Slide 2 ===== */
.slide-2 {
  background: var(--dark-blue);
  color: var(--white);
  padding: 0;
  overflow: visible;
  border-radius: 0;
}

.slide-2-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 380px;
  padding: 2rem 2rem 2rem 4rem;
  gap: 0;
}

.slide-2-left {
  flex: 1;
  padding-right: 0;
}

.orange-banner {
  background: var(--orange);
  padding: 0.75rem 1.5rem;
  border-radius: 5px 0 0 5px;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.banner-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.slide-2-headline {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Circular avatar — positioned close to text, orange bar meets the circle */
.slide-2-circle-wrap {
  flex-shrink: 0;
  margin-left: -5rem;
}

.circle-border-outer {
  width: 280px;
  height: 280px;
  border-radius: 50%;
}

.circle-border-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 2px var(--white),
    0 0 0 5px var(--dark-blue),
    0 0 0 7px var(--white);
}

.circle-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Slide 3 ===== */
.slide-3-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.orange-square {
  width: 12px;
  height: 12px;
  background: var(--orange);
}

.slide-3-header h2 {
  color: var(--dark-blue);
  font-size: 1.2rem;
  flex: 1;
}

.recycling-logo {
  font-size: 1.5rem;
  color: #2e7d32;
}

.three-columns {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.col-left,
.col-center,
.col-right {
  display: flex;
  flex-direction: column;
}

.col-left {
  gap: 1rem;
}

.company-logo-block {
  background: var(--light-gray);
  padding: 2rem;
  text-align: center;
  border-radius: 8px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.company-logo {
  width: 260px;
  height: 260px;
  margin: 0 auto;
  object-fit: contain;
}

.logo-name .blue { color: var(--dark-blue); font-weight: 700; }
.logo-name .orange { color: var(--orange); font-weight: 600; }

.orange-bar {
  background: var(--orange);
  color: var(--white);
  padding: 1rem;
  font-size: 0.8rem;
  line-height: 1.4;
  text-transform: uppercase;
}

.col-center {
  background: var(--dark-blue);
  color: var(--white);
  padding: 2rem;
  border-radius: 8px;
}

.col-center p {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.col-center p:last-child { margin-bottom: 0; }

.col-right {
  min-height: 0;
}

.col-right .photo-placeholder {
  flex: 1;
  min-height: 280px;
}

.copper-stacks {
  height: 100%;
  min-height: 280px;
  background: linear-gradient(180deg, #8b4513 0%, #a0522d 30%, #cd7f32 100%);
}

.photo-placeholder {
  border-radius: 8px;
  overflow: hidden;
}

.photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 200px;
}

.photo-placeholder span {
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

/* ===== Slide 5 ===== */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  color: var(--dark-blue);
  font-size: 1.2rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.main-photo {
  min-height: 300px;
  border-radius: 8px;
  overflow: hidden;
}

.main-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 300px;
}

.side-photos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.small-photo {
  flex: 1;
  min-height: 90px;
  border-radius: 6px;
  overflow: hidden;
}

.small-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 90px;
}

/* ===== Slide 8 ===== */
.two-column-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.two-column-cards .card {
  display: flex;
  flex-direction: column;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 8px 8px 0 0;
  color: var(--white);
}

.card-header.orange { background: var(--orange); }
.card-header.blue { background: var(--dark-blue); }

.card-logo {
  font-weight: 800;
  font-size: 1rem;
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 700;
}

.card ul {
  list-style: disc;
  margin: 1.25rem;
  padding-left: 1.25rem;
  flex: 1;
  min-height: 0;
}

.card li {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-image {
  margin-top: 1rem;
}

.image-placeholder {
  height: 220px;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
}

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

.image-placeholder.ore {
  background: linear-gradient(135deg, #6d4c41 0%, #8d6e63 50%, #a1887f 100%);
}

.image-placeholder.cathode {
  background: linear-gradient(135deg, #8b4513 0%, #cd7f32 50%, #d4a574 100%);
}

.image-placeholder span {
  color: rgba(255,255,255,0.9);
  font-size: 0.85rem;
}

.image-caption {
  padding: 0.6rem 1rem;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  border-radius: 0 0 8px 8px;
}

.image-caption.orange { background: var(--orange); }
.image-caption.blue { background: var(--dark-blue); }

/* ===== Timelines (Slide 9 & 10) ===== */
.slide-reference {
  margin-bottom: 1.5rem;
}

.slide-reference img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.slide-timeline {
  padding: 0;
}

.slide-timeline img {
  display: block;
  width: 100%;
  height: auto;
}

.timeline {
  position: relative;
  padding-bottom: 3rem;
}

.timeline-axis {
  position: relative;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--dark-blue) 0, var(--dark-blue) 6px, transparent 6px, transparent 12px);
  margin: 4rem 2rem 2rem;
}

.axis-start {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--dark-blue);
  border-radius: 50%;
}

.axis-line { display: none; }

.axis-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  color: var(--dark-blue);
  font-weight: bold;
}

.timeline-events {
  position: relative;
}

.event {
  position: absolute;
  left: var(--pos, 50%);
  transform: translateX(-50%);
  width: 220px;
}

.event.above {
  bottom: 100%;
  margin-bottom: 1rem;
}

.event.below {
  top: 100%;
  margin-top: 1rem;
}

.event-dot {
  display: block;
  width: 10px;
  height: 40px;
  background: var(--orange);
  margin: 0 auto;
  border-radius: 2px;
}

.event.above .event-dot { margin-bottom: 0.5rem; }
.event.below .event-dot {
  transform: rotate(180deg);
  margin-top: 0.5rem;
}

.event-content {
  font-size: 0.8rem;
  line-height: 1.4;
  color: #222;
}

.event-content strong {
  display: block;
  margin-bottom: 0.25rem;
}

.timeline-footer-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 12px;
  background: var(--dark-blue);
  border-radius: 0 0 8px 8px;
}

/* ===== Slide 17 ===== */
.slide-17 {
  padding: 0;
  overflow: hidden;
}

.slide-17-grid {
  display: grid;
  grid-template-columns: 58% 42%;
  min-height: 420px;
}

.left-section {
  background: var(--white);
  padding: 2rem;
  position: relative;
}

.doc-placeholders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.doc-box {
  height: 380px;
  border: 1px solid var(--gray);
  border-radius: 4px;
  overflow: hidden;
  background: var(--white);
}

.doc-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.text-block .date {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.orange-accent {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 4px;
  height: 60px;
  background: var(--orange);
}

.right-section {
  background: var(--dark-blue);
  color: var(--white);
  padding: 2rem;
}

.right-section h2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.right-section .orange-bar {
  width: 6px;
  height: 2rem;
  background: var(--orange);
}

.thiess-brand {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.thiess-detail {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.number-list-box {
  background: var(--white);
  color: #222;
  padding: 1.25rem;
  border-radius: 6px;
}

.number-list-box ol {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  line-height: 1.8;
}

/* ===== Slide 18 ===== */
.slide-18 {
  padding: 0;
}

.slide-18 img {
  display: block;
  width: 100%;
  height: auto;
}

.thiess-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 480px;
}

.thiess-sidebar {
  background: var(--white);
  padding: 2rem;
  border-right: 1px solid var(--gray);
}

.thiess-sidebar h2 {
  color: var(--blue-alt);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.thiess-sidebar > p {
  color: var(--blue-alt);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.brand-item {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--light-gray);
}

.brand-item:last-child { border-bottom: none; }

.thiess-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--light-gray);
}

.ops-section h3,
.services-section h3 {
  color: var(--blue-alt);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.stats {
  font-size: 0.9rem;
  color: var(--blue-alt);
  font-weight: 600;
  margin-bottom: 1rem;
}

.map-placeholder {
  height: 180px;
  background: var(--light-gray);
  border: 1px dashed var(--gray);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.85rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.service-tile {
  background: var(--white);
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  text-align: center;
  border: 1px solid var(--gray);
}

.charts-row {
  display: flex;
  gap: 2rem;
}

.donut-placeholder {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--white);
  border: 2px dashed var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #888;
  text-align: center;
}

.governance-table {
  margin-top: 0.5rem;
}

.governance-table h4 {
  font-size: 0.9rem;
  color: var(--blue-alt);
  margin-bottom: 0.5rem;
}

.governance-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.governance-table th {
  background: var(--dark-blue);
  color: var(--white);
  padding: 0.6rem 0.5rem;
  text-align: left;
}

.governance-table td {
  padding: 0.5rem;
  background: var(--white);
  border-bottom: 1px solid var(--gray);
}

/* ===== Slide 19 (MOU) ===== */
.slide-19 {
  padding: 0;
  margin-bottom: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.mou-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.mou-pages img {
  display: block;
  width: 100%;
  height: auto;
}

.mou-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 2px solid #0078d4;
  margin-bottom: 1.5rem;
}

.thiess-logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0078d4;
}

.tavan-bogd-logo {
  font-size: 0.9rem;
  color: #666;
}

.mou-title {
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.mou-content {
  margin-bottom: 2rem;
}

.mou-section {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
}

.mou-section .num {
  flex-shrink: 0;
  width: 1.5rem;
  font-weight: 700;
  color: var(--dark-blue);
}

.mou-section div {
  font-size: 0.9rem;
  line-height: 1.5;
}

.executed {
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.signatures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.sig-block {
  text-align: center;
}

.sig-block p {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.stamp-placeholder {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 2px dashed var(--gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #888;
}

.stamp-placeholder.thiess {
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 900px) {
  .slide-2-hero {
    flex-direction: column;
    padding: 2rem;
    text-align: center;
  }

  .slide-2-headline {
    font-size: 2rem;
  }

  .circle-border-outer {
    width: 220px;
    height: 220px;
  }

  .three-columns { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
  .two-column-cards { grid-template-columns: 1fr; }
  .slide-17-grid { grid-template-columns: 1fr; }
  .thiess-layout { grid-template-columns: 1fr; }
  .mou-pages { grid-template-columns: 1fr; }
  .event { width: 180px; }
}