/* ==========================================================================
   TBS Co. Projects Page Style Sheet (Vanilla CSS3)
   ========================================================================== */

/* 1. Reuse existing design system tokens and common layouts */
@import url('style.css');

/* Active Navigation Highlight */
.desktop-nav a[href="projects.html"] {
  color: var(--color-teal);
  border-bottom: 2px solid var(--color-teal);
  padding-bottom: 0.25rem;
}

.mobile-nav-link[href="projects.html"] {
  color: var(--color-teal);
}

/* 2. Radial Glowing Backgrounds */
.bg-radial-glow {
  background-color: var(--color-white);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 122, 134, 0.02) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(243, 111, 33, 0.02) 0%, transparent 40%);
}

/* 3. Cinematic Projects Hero */
.projects-hero {
  position: relative;
  background-color: var(--color-navy);
  padding-top: 10rem;
  padding-bottom: 10rem;
  overflow: hidden;
}

@media (max-width: 768px) {
  .projects-hero {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
}

.projects-hero-blueprint {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  z-index: 0;
  pointer-events: none;
}

.projects-hero-glow-1 {
  position: absolute;
  top: 25%;
  left: 25%;
  width: 350px;
  height: 350px;
  background-color: rgba(0, 122, 134, 0.15);
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  animation: pulse-subtle 4s ease-in-out infinite;
}

.projects-hero-glow-2 {
  position: absolute;
  bottom: 25%;
  right: 25%;
  width: 300px;
  height: 300px;
  background-color: rgba(243, 111, 33, 0.1);
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
}

@keyframes pulse-subtle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.02); }
}

.projects-hero-container {
  position: relative;
  z-index: 10;
}

.projects-hero-tag {
  color: var(--color-teal);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .projects-hero-tag {
    font-size: 0.875rem;
  }
}

.projects-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.25rem;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .projects-hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .projects-hero-title {
    font-size: 3.75rem;
  }
}

.projects-hero-narrative {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-w: 48rem;
}

.projects-hero-desc-en {
  color: var(--color-slate-300);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.625;
}

@media (min-width: 768px) {
  .projects-hero-desc-en {
    font-size: 1.125rem;
  }
}

.projects-hero-desc-ar {
  font-family: var(--font-arabic);
  color: var(--color-slate-400);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.625;
  text-align: right;
  direction: rtl;
}

@media (min-width: 768px) {
  .projects-hero-desc-ar {
    font-size: 1rem;
  }
}

/* 4. Interactive Cohort Switcher Navigation */
.switcher-section {
  position: relative;
  z-index: 20;
  margin-top: -4rem;
  padding-bottom: 4rem;
}

@media (min-width: 768px) {
  .switcher-section {
    margin-top: -5rem;
  }
}

.switcher-container {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  padding: 0.5rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .switcher-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
  }
}

.switcher-label-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 0.75rem;
}

.switcher-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background-color: var(--color-orange);
  flex-shrink: 0;
}

.switcher-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-500);
}

.filter-buttons-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  background-color: rgba(241, 245, 249, 0.8);
  padding: 0.25rem;
  border: 1px solid rgba(226, 232, 240, 0.6);
}

@media (min-width: 768px) {
  .filter-buttons-group {
    flex-wrap: nowrap;
  }
}

.filter-btn {
  width: 100%;
  padding: 0.75rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  background: transparent;
  color: var(--color-slate-600);
  cursor: pointer;
  transition: all 0.3s ease;
}

@media (min-width: 768px) {
  .filter-btn {
    width: auto;
  }
}

.filter-btn:hover {
  color: var(--color-teal);
  background-color: rgba(226, 232, 240, 0.5);
}

.filter-btn.active {
  background-color: var(--color-navy);
  color: var(--color-white);
}

/* 5. 4 High-Impact Case Study Showcase */
.portfolio-section {
  padding-bottom: 6rem;
  position: relative;
}

.projects-grid-container {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-100);
  border-radius: 1rem;
  padding: 1.5rem;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
  opacity: 1;
  transform: scale(1);
  scroll-margin-top: 100px;
}

@media (min-width: 768px) {
  .project-card {
    padding: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .project-card {
    padding: 3rem;
  }
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.12);
}

.project-card.hidden-card {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

.project-grid-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .project-grid-columns {
    grid-template-columns: repeat(12, 1fr);
  }
  .project-grid-columns > .project-visual-wrapper {
    grid-column: span 6;
  }
  .project-grid-columns > .project-narrative-wrapper {
    grid-column: span 6;
  }
  
  /* Alternating order rules */
  .project-card.alternate-layout .project-narrative-wrapper {
    order: 1;
  }
  .project-card.alternate-layout .project-visual-wrapper {
    order: 2;
  }
}

/* Narrative content block styling */
.project-narrative-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.project-meta-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  display: inline-block;
}

.badge-tag.teal {
  color: var(--color-teal);
  background-color: var(--color-teal-light);
}

.badge-tag.orange {
  color: var(--color-orange);
  background-color: var(--color-orange-light);
}

.project-subtag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-slate-400);
}

.project-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-navy);
  line-height: 1.2;
}

@media (min-width: 640px) {
  .project-title {
    font-size: 1.875rem;
  }
}

.project-desc-block {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--color-slate-600);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.625;
}

@media (min-width: 768px) {
  .project-desc-block {
    font-size: 0.9375rem;
  }
}

.project-desc-block strong {
  color: var(--color-navy);
  font-weight: 600;
}

.project-desc-ar {
  font-family: var(--font-arabic);
  font-weight: 600;
  color: var(--color-teal);
  text-align: right;
  direction: rtl;
  line-height: 1.625;
}

.project-specs-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  border-top: 1px solid var(--color-slate-100);
  padding-top: 1.5rem;
  list-style: none;
}

@media (min-width: 640px) {
  .project-specs-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-spec-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-slate-600);
}

.project-spec-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-teal);
  flex-shrink: 0;
}

.project-metrics-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  padding: 1rem;
  border-radius: 0.75rem;
  text-align: center;
}

.project-metric-card {
  display: flex;
  flex-direction: column;
}

.project-metric-card.border-x {
  border-left: 1px solid var(--color-slate-200);
  border-right: 1px solid var(--color-slate-200);
}

.project-metric-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--color-navy);
  line-height: 1;
}

@media (min-width: 640px) {
  .project-metric-num {
    font-size: 1.5rem;
  }
}

.project-metric-num.teal {
  color: var(--color-teal);
}

.project-metric-num.orange {
  color: var(--color-orange);
}

.project-metric-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-400);
  margin-top: 0.25rem;
}

/* Visual wrapper blueprint representations styling */
.project-visual-wrapper {
  position: relative;
  background-color: #0A0F1D;
  border-radius: 0.75rem;
  padding: 2rem;
  border: 1px solid var(--color-slate-800);
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 350px;
  overflow: hidden;
}

.blueprint-bg {
  position: absolute;
  inset: 0;
  background-color: #0F172A;
  background-image: 
    linear-gradient(rgba(0, 122, 134, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 122, 134, 0.07) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.3;
  z-index: 0;
  pointer-events: none;
}

.dot-matrix {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 122, 134, 0.15) 1.5px, transparent 1.5px);
  background-size: 15px 15px;
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}

.visual-glow-glow {
  position: absolute;
  top: -2.5rem;
  left: -2.5rem;
  width: 6rem;
  height: 6rem;
  background-color: rgba(243, 111, 33, 0.1);
  border-radius: 50%;
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}

/* ID Cards for Case Study 1 */
.id-cards-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  z-index: 10;
}

@media (min-width: 640px) {
  .id-cards-container {
    flex-direction: row;
  }
}

.id-card {
  position: relative;
  width: 100%;
  background-color: var(--color-navy);
  border: 1px solid var(--color-slate-800);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.id-card-glow-overlay {
  position: absolute;
  top: 0;
  right: 0;
  width: 5rem;
  height: 5rem;
  background-image: linear-gradient(to bottom left, rgba(0, 122, 134, 0.15), transparent);
  border-radius: 0 0 0 100%;
  pointer-events: none;
}

.id-card.maaden .id-card-glow-overlay {
  background-image: linear-gradient(to bottom left, rgba(243, 111, 33, 0.15), transparent);
}

.id-card:hover {
  transform: translateY(-0.5rem) rotate(1deg);
}

.id-card.maaden:hover {
  transform: translateY(-0.5rem) rotate(-1deg);
}

.id-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.id-card-log {
  font-family: monospace;
  font-size: 9px;
  color: var(--color-slate-500);
  letter-spacing: 0.15em;
  font-weight: 700;
}

.id-card-badge {
  font-size: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
}

.id-card-badge.teal {
  color: var(--color-teal);
  background-color: rgba(0, 122, 134, 0.2);
}

.id-card-badge.orange {
  color: var(--color-orange);
  background-color: rgba(243, 111, 33, 0.2);
}

.id-card-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.id-card-subtitle {
  font-size: 9px;
  font-weight: 500;
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.id-card-chip {
  width: 2.5rem;
  height: 2rem;
  background-image: linear-gradient(to bottom right, #fde047, #eab308, #ca8a04);
  border-radius: 0.375rem;
  border: 1px solid var(--color-slate-700);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
}

.id-card-chip::before {
  content: '';
  position: absolute;
  inset: 2px;
  border: 1px solid rgba(254, 224, 71, 0.2);
}

.id-card-chip-line-1 {
  width: 1.5rem;
  height: 1px;
  background-color: rgba(69, 26, 3, 0.4);
  margin: 0.375rem auto 0.25rem auto;
}

.id-card-chip-line-2 {
  width: 1.5rem;
  height: 1px;
  background-color: rgba(69, 26, 3, 0.4);
  margin: 0 auto;
}

.id-card-footer {
  border-top: 1px solid rgba(30, 41, 59, 0.8);
  padding-top: 0.75rem;
}

.id-card-footer-label {
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-slate-500);
  font-weight: 700;
}

.id-card-footer-val {
  font-family: monospace;
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
  margin-top: 0.125rem;
}

/* CAD Blueprint schematic box for Case Study 2 */
.blueprint-schematic-box {
  width: 100%;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blueprint-schematic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(0, 122, 134, 0.3);
  padding-bottom: 0.75rem;
}

.blueprint-schematic-title {
  font-family: monospace;
  font-size: 10px;
  color: var(--color-teal);
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blueprint-schematic-title .ping-dot {
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--color-teal);
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.blueprint-schematic-title .ping-dot::after {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid var(--color-teal);
  border-radius: 50%;
  animation: ping-custom 1.5s infinite;
}

@keyframes ping-custom {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.blueprint-schematic-scale {
  font-family: monospace;
  font-size: 9px;
  color: var(--color-slate-500);
}

.blueprint-zones-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.blueprint-zone-card {
  border: 2px solid rgba(0, 122, 134, 0.4);
  background-color: rgba(0, 122, 134, 0.05);
  padding: 1rem;
  border-radius: 0.25rem;
  position: relative;
  transition: all 0.3s ease;
  cursor: default;
}

.blueprint-zone-card:hover {
  border-color: var(--color-teal);
  background-color: rgba(0, 122, 134, 0.1);
}

.blueprint-zone-tag {
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  font-family: monospace;
  font-size: 8px;
  color: var(--color-teal);
  font-weight: 700;
}

.blueprint-zone-content {
  padding-top: 1rem;
  text-align: center;
}

.blueprint-zone-name {
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
}

.blueprint-zone-meta {
  color: var(--color-slate-400);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

.blueprint-schematic-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
  padding-top: 0.75rem;
  font-family: monospace;
  font-size: 9px;
  color: var(--color-slate-500);
}

.blueprint-schematic-footer .orange-val {
  color: var(--color-orange);
  font-weight: 700;
}

/* Fencing schematic box for Case Study 3 */
.fencing-schematic-box {
  width: 100%;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.fencing-schematic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(30, 41, 59, 0.8);
  padding-bottom: 0.75rem;
}

.fencing-schematic-title {
  font-family: monospace;
  font-size: 10px;
  color: var(--color-orange);
  font-weight: 700;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fencing-schematic-title .square-dot {
  width: 0.625rem;
  height: 0.625rem;
  background-color: var(--color-orange);
  border-radius: 2px;
  animation: pulse-square 2s infinite;
}

@keyframes pulse-square {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.fencing-schematic-scale {
  font-family: monospace;
  font-size: 9px;
  color: var(--color-slate-500);
}

.fencing-graphic-panel {
  border: 1px solid rgba(0, 122, 134, 0.3);
  background-color: rgba(15, 23, 42, 0.8);
  border-radius: 0.5rem;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fencing-grid-diagram {
  position: relative;
  height: 7rem;
  border-top: 2px solid rgba(0, 122, 134, 0.3);
  border-bottom: 2px solid rgba(0, 122, 134, 0.3);
  display: flex;
  justify-content: space-around;
  align-items: center;
  overflow: hidden;
}

.fencing-grid-grad {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, transparent, rgba(0, 122, 134, 0.05), transparent);
  pointer-events: none;
}

.fencing-bar-thin {
  width: 1px;
  height: 100%;
  background-color: var(--color-slate-700);
}

.fencing-bar-thick {
  width: 2px;
  height: 100%;
  background-color: rgba(0, 122, 134, 0.6);
}

.fencing-brace-pos {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(0, 122, 134, 0.4);
  transform: rotate(12deg);
}

.fencing-brace-neg {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(0, 122, 134, 0.4);
  transform: rotate(-12deg);
}

.fencing-sign-placard {
  position: absolute;
  background-color: var(--color-navy);
  border: 1px solid var(--color-orange);
  padding: 0.5rem;
  text-align: center;
  border-radius: 0.25rem;
  max-width: 150px;
  box-shadow: var(--shadow-lg);
  z-index: 10;
}

.fencing-sign-title {
  font-size: 8px;
  color: var(--color-orange);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.fencing-sign-subtitle {
  font-family: monospace;
  font-size: 7px;
  color: var(--color-white);
  margin-top: 0.125rem;
}

.fencing-graphic-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: monospace;
  font-size: 8px;
  color: var(--color-slate-400);
}

.fencing-graphic-footer .green-status {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.fencing-graphic-footer .green-status::before {
  content: '';
  width: 0.375rem;
  height: 0.375rem;
  background-color: var(--color-teal);
  border-radius: 50%;
  display: inline-block;
}

.fencing-bottom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.fencing-bottom-card {
  background-color: var(--color-navy);
  border: 1px solid var(--color-slate-800);
  border-radius: 0.25rem;
  padding: 0.75rem;
  text-align: center;
}

.fencing-bottom-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 10px;
  color: var(--color-white);
}

.fencing-bottom-card-subtitle {
  font-family: monospace;
  font-size: 8px;
  color: var(--color-slate-500);
  margin-top: 0.25rem;
}

/* Campus Master Plan schematic for Case Study 4 */
.campus-schematic-box {
  width: 100%;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.campus-schematic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(30, 41, 59, 0.8);
  padding-bottom: 0.75rem;
}

.campus-schematic-title {
  font-family: monospace;
  font-size: 9px;
  color: var(--color-teal);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.campus-schematic-scale {
  font-family: monospace;
  font-size: 8px;
  color: var(--color-slate-500);
}

.campus-layout-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.campus-layout-card {
  border: 1px solid rgba(0, 122, 134, 0.3);
  background-color: rgba(0, 122, 134, 0.05);
  padding: 0.5rem;
  border-radius: 0.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all 0.3s ease;
}

.campus-layout-card:hover {
  border-color: var(--color-teal);
  background-color: rgba(0, 122, 134, 0.1);
}

.campus-layout-card.full-width {
  grid-column: span 3;
  border-color: rgba(243, 111, 33, 0.4);
  background-color: rgba(243, 111, 33, 0.05);
  padding: 0.75rem;
}

.campus-layout-card.full-width:hover {
  border-color: var(--color-orange);
  background-color: rgba(243, 111, 33, 0.1);
}

.campus-layout-card.double-width {
  grid-column: span 2;
  border-color: var(--color-slate-700);
  background-color: rgba(30, 41, 59, 0.4);
  padding: 0.625rem;
}

.campus-layout-card-title {
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
}

.campus-layout-card-title svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--color-orange);
  flex-shrink: 0;
}

.campus-layout-card-subtitle {
  color: var(--color-slate-500);
  font-size: 7px;
  text-transform: uppercase;
  margin-top: 0.25rem;
}

.campus-layout-card.full-width .campus-layout-card-subtitle {
  font-size: 8px;
}

.campus-schematic-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(30, 41, 59, 0.8);
  padding-top: 0.75rem;
  font-family: monospace;
  font-size: 8px;
  color: var(--color-slate-500);
}

.campus-schematic-footer .teal-val {
  color: var(--color-teal);
  font-weight: 700;
}

/* 6. Credentials Summary Bar */
.credentials-bar {
  background-color: #F1F5F9;
  border-top: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 2.5rem 0;
  position: relative;
  z-index: 10;
}

.credentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  text-align: center;
}

@media (min-width: 768px) {
  .credentials-grid {
    grid-template-columns: repeat(3, 1fr);
    text-align: left;
  }
}

.credential-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 768px) {
  .credential-card {
    padding: 0 1.5rem;
  }
  .credential-card:not(:first-child) {
    border-left: 1px solid rgba(203, 213, 225, 0.8);
  }
}

@media (max-width: 767px) {
  .credential-card:not(:first-child) {
    border-top: 1px solid rgba(203, 213, 225, 0.8);
    padding-top: 1.5rem;
  }
}

.credential-pretag {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-bottom: 0.25rem;
  display: block;
}

.credential-value {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--color-navy);
  line-height: 1.2;
}

@media (min-width: 640px) {
  .credential-value {
    font-size: 1.5rem;
  }
}

.credential-value.teal {
  color: var(--color-teal);
}

.credential-subtitle {
  font-size: 9px;
  font-weight: 500;
  color: var(--color-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
  display: block;
}

/* 7. Client ecosystem grid */
.clients-section {
  background-color: var(--color-white);
  padding: 5rem 0;
  position: relative;
  z-index: 10;
}

.clients-header {
  text-align: center;
  margin-bottom: 3rem;
}

.clients-pretag {
  color: var(--color-teal);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.5rem;
}

.clients-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-navy);
}

@media (min-width: 640px) {
  .clients-title {
    font-size: 1.875rem;
  }
}

.clients-divider {
  width: 3rem;
  height: 0.25rem;
  background-color: var(--color-orange);
  margin: 1rem auto 0 auto;
}

.clients-logos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  align-items: center;
  justify-items: center;
  opacity: 0.65;
  filter: grayscale(100%);
  transition: all 0.5s ease;
}

.clients-logos-grid:hover {
  filter: grayscale(0%);
  opacity: 1;
}

@media (min-width: 640px) {
  .clients-logos-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .clients-logos-grid {
    grid-template-columns: repeat(7, 1fr);
  }
}

.client-logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.client-logo-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--color-slate-700);
  letter-spacing: -0.05em;
}

.client-logo-title-sub {
  font-size: 1.125rem;
}

.client-logo-badge {
  font-family: monospace;
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-slate-400);
  margin-top: 0.25rem;
  display: block;
}

/* 8. B2B RFQ Closing Section */
.project-rfq-section {
  position: relative;
  background-color: var(--color-navy);
  padding: 6rem 0;
  overflow: hidden;
  scroll-margin-top: 100px;
}

.project-rfq-blueprint {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  z-index: 0;
  pointer-events: none;
}

.project-rfq-container {
  position: relative;
  z-index: 10;
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
  padding: 0 1.5rem;
}

.project-rfq-tag {
  color: var(--color-teal);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 1rem;
}

.project-rfq-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.875rem;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
  .project-rfq-title {
    font-size: 2.25rem;
  }
}

@media (min-width: 768px) {
  .project-rfq-title {
    font-size: 3rem;
  }
}

.project-rfq-desc {
  color: var(--color-slate-300);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.625;
  max-width: 48rem;
  margin: 0 auto 2.5rem auto;
}

.project-rfq-buttons-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .project-rfq-buttons-group {
    flex-direction: row;
  }
}

.btn-outline-white {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  backdrop-filter: blur(4px);
  transition: all 0.3s ease;
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--color-white);
}