/* Simplicity Living - Main Styles */
:root {
  --simplicity-orange: #ff6600;
  --simplicity-orange-light: #ff8833;
  --simplicity-orange-dark: #cc5200;
  --dark-gray: #333333;
  --medium-gray: #666666;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --success-green: #28a745;
  --warning-red: #dc3545;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--dark-gray);
  line-height: 1.6;
  background-color: var(--white);
}

/* Navigation */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--dark-gray);
  text-decoration: none;
}

.logo-symbol {
  font-size: 2rem;
  color: var(--simplicity-orange);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--dark-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--simplicity-orange);
}

/* Public-tool CTA pill in the header (A4-A5 Calculator) */
.nav-links a.nav-cta {
  background: var(--simplicity-orange);
  color: var(--white);
  font-weight: 700;
  padding: 0.45rem 1.15rem;
  border-radius: 50px;
  transition: all 0.25s ease;
}

.nav-links a.nav-cta:hover,
.nav-links a.nav-cta.active {
  background: var(--simplicity-orange-dark);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--simplicity-orange) 0%, var(--simplicity-orange-dark) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* Section Styles */
.section {
  margin: 3rem 0;
}

.section-title {
  font-size: 2rem;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--simplicity-orange);
}

/* Charts Container */
.charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.chart-wrapper {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chart-wrapper h3 {
  color: var(--dark-gray);
  margin-bottom: 1rem;
}

.chart-canvas-container {
  position: relative;
  height: 400px;
  width: 100%;
}

.chart-canvas-container canvas {
  max-height: 400px;
}

/* Full Width Promotion Sections */
.promo-section {
  background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
  padding: 4rem 2rem;
  margin: 3rem 0;
  text-align: center;
}

.promo-section.orange-bg {
  background: linear-gradient(135deg, var(--simplicity-orange) 0%, var(--simplicity-orange-dark) 100%);
  color: var(--white);
}

.promo-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.promo-section p {
  font-size: 1.2rem;
  max-width: 900px;
  margin: 0 auto 2rem;
}

.promo-btn {
  display: inline-block;
  background-color: var(--simplicity-orange);
  color: var(--white);
  padding: 1rem 2.5rem;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.promo-btn:hover {
  background-color: var(--simplicity-orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255,102,0,0.3);
}

.promo-btn.white {
  background-color: var(--white);
  color: var(--simplicity-orange);
}

.promo-btn.white:hover {
  background-color: var(--light-gray);
}

/* Navigation Tiles */
.nav-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.nav-tile {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  text-align: center;
  text-decoration: none;
  color: var(--dark-gray);
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

.nav-tile:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
  border-color: var(--simplicity-orange);
}

.nav-tile-icon {
  font-size: 3rem;
  color: var(--simplicity-orange);
  margin-bottom: 1rem;
}

.nav-tile h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.nav-tile p {
  color: var(--medium-gray);
}

/* Toggle Switch */
.toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0;
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 30px;
  background-color: var(--medium-gray);
  border-radius: 30px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.toggle-switch.active {
  background-color: var(--simplicity-orange);
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background-color: var(--white);
  border-radius: 50%;
  transition: transform 0.3s;
}

.toggle-switch.active .toggle-slider {
  transform: translateX(30px);
}

/* Iframe Container */
.iframe-container {
  width: 100%;
  height: 800px;
  border: none;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  overflow: hidden;
}

.iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Footer */
.footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 2rem;
  text-align: center;
  margin-top: 4rem;
}

.footer p {
  margin-bottom: 0.5rem;
}

.footer a {
  color: var(--simplicity-orange);
  text-decoration: none;
}

/* Distinct Admin badge in the footer (internal tool, de-emphasised) */
.footer-admin {
  margin-top: 1.25rem;
}

.footer a.footer-admin-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all 0.25s ease;
}

.footer a.footer-admin-link:hover,
.footer a.footer-admin-link.active {
  border-color: var(--simplicity-orange);
  color: var(--simplicity-orange);
}

.footer-admin-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: var(--simplicity-orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
}

/* Responsive */
@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .charts-container {
    grid-template-columns: 1fr;
  }
  
  .chart-canvas-container {
    height: 300px;
  }
  
  .nav-tiles {
    grid-template-columns: 1fr;
  }
}

/* Project Timeline */
.timeline-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--medium-gray);
  max-width: 800px;
  margin: 0 auto 2.5rem;
}

.project-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
  margin: 2rem 0;
}

/* Connecting line running through the node row */
.project-timeline::before {
  content: '';
  position: absolute;
  top: 210px; /* aligns with the node dots */
  left: 8%;
  right: 8%;
  height: 4px;
  background: linear-gradient(90deg, var(--simplicity-orange) 0%, var(--simplicity-orange-light) 100%);
  border-radius: 2px;
  z-index: 0;
}

.timeline-card {
  position: relative;
  z-index: 1;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--dark-gray);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 2px solid transparent;
}

.timeline-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  border-color: var(--simplicity-orange);
}

.timeline-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--light-gray);
  display: block;
}

/* Timeline node dot sitting on the connecting line */
.timeline-node {
  position: relative;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-node::after {
  content: '';
  width: 18px;
  height: 18px;
  background: var(--white);
  border: 4px solid var(--simplicity-orange);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--white);
}

.timeline-body {
  padding: 0.25rem 1.25rem 1.5rem;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.timeline-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.15rem;
  color: var(--dark-gray);
}

.timeline-location {
  color: var(--medium-gray);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.timeline-date {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--simplicity-orange);
  margin-bottom: 0.5rem;
}

.timeline-status {
  display: inline-block;
  align-self: center;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}

.status-complete {
  background: #e8f5e9;
  color: var(--success-green);
}

.status-construction {
  background: #fff3e0;
  color: var(--simplicity-orange-dark);
}

.status-planned {
  background: #e3f2fd;
  color: #1976d2;
}

.timeline-meta {
  font-size: 0.9rem;
  color: var(--medium-gray);
  margin-top: auto;
}

.timeline-link {
  margin-top: 0.85rem;
  font-weight: 600;
  color: var(--simplicity-orange);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .project-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-timeline::before {
    display: none;
  }
}

@media (max-width: 560px) {
  .project-timeline {
    grid-template-columns: 1fr;
  }
}

/* Building / project selector (carbon page) */
.building-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem 0 2rem;
}

.building-btn {
  background: var(--white);
  border: 2px solid var(--simplicity-orange);
  color: var(--simplicity-orange);
  padding: 0.6rem 1.4rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}

.building-btn:hover {
  background: #fff3e0;
}

.building-btn.active {
  background: var(--simplicity-orange);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255,102,0,0.3);
}

.building-btn small {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  opacity: 0.85;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}