/* Modern CSS Custom Properties & Premium Light Theme Tokens */
:root {
  --bg-primary: #f8fafc; /* Slate 50 */
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9; /* Slate 100 */
  --text-primary: #0f172a; /* Slate 900 */
  --text-secondary: #475569; /* Slate 600 */
  --text-muted: #64748b; /* Slate 500 */
  
  --accent-cyan: #0ea5e9; /* Sky 500 */
  --accent-blue: #2563eb; /* Blue 600 */
  --accent-coral: #ef4444; /* Red 500 */
  --accent-purple: #8b5cf6; /* Violet 500 */
  --accent-green: #10b981; /* Emerald 500 */
  
  --grad-cyan-blue: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
  --grad-coral-purple: linear-gradient(135deg, #ef4444 0%, #8b5cf6 100%);
  
  --glass-surface: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-border-glow: rgba(14, 165, 233, 0.25);
  
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 30px rgba(14, 165, 233, 0.1);
  
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Global Reset & Base Elements */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border: 2px solid var(--bg-primary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Global Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

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

.col-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2-1 {
  grid-template-columns: 1.2fr 0.8fr;
}

@media (max-width: 960px) {
  .grid, .grid-2, .col-3, .grid-2-1 {
    grid-template-columns: 1fr !important;
  }
}

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

.text-cyan {
  color: var(--accent-blue); /* High visibility teal/blue */
}

.text-coral {
  color: var(--accent-coral);
}

.gradient-text {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  color: var(--text-secondary);
}

.lead {
  font-size: 1.2rem;
  line-height: 1.7;
  max-width: 600px;
}

/* Ambient Background Glows - subtle on light theme */
.glow-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(140px);
  opacity: 0.08;
  z-index: 0;
}

.glow-1 {
  top: -100px;
  right: -50px;
  background: var(--accent-cyan);
}

.glow-2 {
  top: 40%;
  left: -200px;
  background: var(--accent-purple);
}

.glow-3 {
  bottom: 10%;
  right: -100px;
  background: var(--accent-coral);
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.6), rgba(255,255,255,0));
  pointer-events: none;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 99px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: var(--grad-cyan-blue);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.07);
  border-color: rgba(15, 23, 42, 0.15);
  transform: translateY(-3px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Navigation Bar */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-fast);
}

.navbar-wrapper.scrolled {
  background: rgba(255, 255, 255, 0.9);
  padding: 0.2rem 0;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  width: 32px;
  height: 32px;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-blue);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 101;
}

.menu-toggle .bar {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

/* Mobile Nav responsiveness */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    gap: 2rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
    z-index: 100;
  }
  
  .nav-links.active {
    right: 0;
  }

  .nav-links .btn {
    width: 100%;
  }

  /* Hamburger Animation */
  .menu-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* Hero Section */
.hero-section {
  padding: 10rem 0 6rem;
  position: relative;
  z-index: 1;
}

.hero-grid {
  align-items: center;
}

.badge-pill {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 99px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.15);
  color: var(--accent-blue);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-content p {
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-stats-row {
  display: flex;
  gap: 3rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.hero-stat-suffix {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Hero Dashboard Card & Interactive Preview */
.hero-dashboard-preview {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-dashboard-preview::after {
  content: '';
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  z-index: -1;
  filter: blur(40px);
}

.dashboard-card {
  width: 100%;
  max-width: 460px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--glass-border);
}

.dashboard-dots {
  display: flex;
  gap: 6px;
}

.dashboard-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.dashboard-dots span:nth-child(1) { background-color: #ff5f56; }
.dashboard-dots span:nth-child(2) { background-color: #ffbd2e; }
.dashboard-dots span:nth-child(3) { background-color: #27c93f; }

.dashboard-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 500;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

.status-badge.live {
  background: rgba(16, 185, 129, 0.08);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.dashboard-body {
  padding: 1.5rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-box {
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--glass-border);
  padding: 0.75rem;
  border-radius: 8px;
  text-align: center;
}

.metric-box .lbl {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.metric-box .val {
  font-size: 0.85rem;
  font-weight: 700;
}

/* Dashboard Mini Gantt Chart */
.mini-chart-container {
  background: rgba(15, 23, 42, 0.02);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--glass-border);
}

.chart-y-axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
}

.chart-bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chart-bar-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  width: 100%;
  height: 6px;
}

.bar {
  height: 6px;
  border-radius: 3px;
  transition: var(--transition-smooth);
}

.bar-baseline {
  background: rgba(15, 23, 42, 0.06);
  width: 100%;
  position: absolute;
  left: 0;
}

.bar-actual {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
}

.bar-danger {
  background: var(--accent-coral);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

.bar-success {
  background: var(--accent-green) !important;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.2) !important;
}

/* Logo Trust Strip */
.trust-strip {
  padding: 3rem 0;
  background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.02) 50%, transparent);
  border-top: 1px solid rgba(15, 23, 42, 0.04);
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.trust-title {
  text-align: center;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  opacity: 0.7;
  transition: var(--transition-fast);
}

.logo-item:hover {
  opacity: 1;
}

.logo-item svg {
  stroke-width: 1.5;
}

.logo-item span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Section Templates */
.section {
  padding: 8rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  max-width: 600px;
  margin-bottom: 4rem;
}

.section-header.text-center {
  margin-left: auto;
  margin-right: auto;
}

.section-desc {
  font-size: 1.1rem;
}

/* Solutions & Cards styling */
.service-card {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08), var(--shadow-glow);
}

.card-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.card-icon-wrapper.cyan {
  background: rgba(14, 165, 233, 0.1);
  color: var(--accent-cyan);
}

.card-icon-wrapper.coral {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-coral);
}

.card-icon-wrapper.purple {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-features {
  list-style: none;
  border-top: 1px solid var(--glass-border);
  padding-top: 1.25rem;
}

.card-features li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card-features li::before {
  content: "→";
  color: var(--accent-blue);
  font-weight: bold;
}

/* Gantt Timeline Simulator Section */
.simulator-intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.simulator-intro p {
  margin-bottom: 1.25rem;
}

.sim-controls {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.spin-icon-hover {
  transition: transform 0.6s ease;
}

.btn:hover .spin-icon-hover {
  transform: rotate(180deg);
}

.sim-metric-card {
  display: flex;
  align-items: center;
  padding: 1.25rem 2rem;
  margin-top: 1rem;
}

.sim-metric {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sim-metric-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.sim-metric-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 0.25rem;
  transition: var(--transition-fast);
}

.sim-divider {
  width: 1px;
  height: 40px;
  background-color: var(--glass-border);
  margin: 0 1.5rem;
}

.delay-danger {
  color: var(--accent-coral);
  animation: pulse-danger 2s infinite;
}

.savings-accent {
  color: var(--accent-green); /* High-contrast green savings label */
}

@keyframes pulse-danger {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Gantt Widget Card */
.gantt-widget {
  padding: 2rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
}

.gantt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 1.5rem;
}

.gantt-status {
  font-weight: 600;
  color: var(--accent-coral);
  background: rgba(239, 68, 68, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.gantt-status.optimized {
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.08);
}

.gantt-row {
  margin-bottom: 1.75rem;
}

.gantt-task-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.task-title {
  font-weight: 500;
}

.task-status {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.status-done {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-green);
}

.status-delayed {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-coral);
}

.status-delayed.fixed {
  background: rgba(14, 165, 233, 0.1) !important;
  color: var(--accent-cyan) !important;
}

.status-at-risk {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706; /* darker orange for light theme contrast */
}

.status-at-risk.fixed {
  background: rgba(16, 185, 129, 0.1) !important;
  color: var(--accent-green) !important;
}

.gantt-bar-track {
  width: 100%;
  height: 20px;
  background: rgba(15, 23, 42, 0.03);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.gantt-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.bar-done {
  background: var(--accent-green);
  opacity: 0.8;
}

.bar-delayed {
  background: var(--accent-coral);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

.bar-delayed.fixed {
  background: var(--accent-cyan) !important;
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.2) !important;
}

.bar-at-risk {
  background: #f59e0b;
  opacity: 0.95;
}

.bar-at-risk.fixed {
  background: var(--accent-green) !important;
  opacity: 0.8 !important;
}

.gantt-footer {
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
  margin-top: 2rem;
  position: relative;
  height: 20px;
}

.timeline-marker {
  position: absolute;
  font-size: 0.75rem;
  color: var(--text-muted);
  transform: translateX(-50%);
}

/* Calculator CSS */
.grid-calculator {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

@media (max-width: 960px) {
  .grid-calculator {
    grid-template-columns: 1fr;
  }
}

.calc-inputs-card, .calc-outputs-card {
  padding: 2.5rem;
}

.calc-inputs-card h3, .calc-outputs-card h3 {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.75rem;
}

.input-group {
  margin-bottom: 2.25rem;
}

.input-group label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.input-group label span {
  font-weight: 700;
  color: var(--accent-blue);
}

/* Custom Range Input */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
}

input[type="range"]:focus {
  outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.06);
  border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
  height: 18px;
  width: 18px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
  transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Radio Tiles styling */
.radio-tiles {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tile-label {
  cursor: pointer;
  display: block;
}

.tile-label input[type="radio"] {
  display: none;
}

.tile-content {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.01);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  transition: var(--transition-fast);
}

.tile-content strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.tile-content span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.tile-label input[type="radio"]:checked + .tile-content {
  border-color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.04);
  box-shadow: var(--shadow-glow);
}

/* Calculator Outputs details */
.output-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.output-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.output-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.donut-chart-container {
  position: relative;
  width: 100px;
  height: 100px;
}

.donut-chart {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.donut-segment {
  transition: stroke-dasharray 0.4s ease;
}

.donut-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.output-item-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sub-stat {
  display: flex;
  flex-direction: column;
}

.sub-stat .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.sub-stat .val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.calc-divider {
  height: 1px;
  background-color: var(--glass-border);
  margin: 1.5rem 0;
}

.savings-container {
  background: rgba(16, 185, 129, 0.02);
  border: 1px solid rgba(16, 185, 129, 0.12);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.savings-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.savings-icon {
  color: var(--accent-green);
}

.savings-header h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.savings-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.saving-block {
  display: flex;
  flex-direction: column;
}

.saving-block .lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.saving-block .val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  transition: var(--transition-fast);
}

.calc-note {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* FAQ Accordion Styling */
.section-faq {
  background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.01) 50%, transparent);
}

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

.faq-item {
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 0.5rem;
}

.faq-trigger {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.faq-trigger:focus {
  outline: none;
}

.faq-icon-box {
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--glass-border);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-icon-box::before, .faq-icon-box::after {
  content: '';
  position: absolute;
  background-color: var(--text-secondary);
  transition: var(--transition-fast);
}

.faq-icon-box::before {
  width: 10px;
  height: 2px;
}

.faq-icon-box::after {
  width: 2px;
  height: 10px;
}

.faq-trigger:hover .faq-icon-box {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(37,99,235,0.1);
}

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

.faq-answer p {
  padding-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Open Accordion State */
.faq-item.active .faq-answer {
  max-height: 500px;
  transition: max-height 0.4s cubic-bezier(1, 0, 1, 0);
}

.faq-item.active .faq-icon-box::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-item.active .faq-icon-box {
  border-color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.05);
}

/* Contact Section & Form Styling */
.contact-container {
  position: relative;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-info p {
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-detail-item {
  display: flex;
  gap: 1rem;
}

.detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--glass-border);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-detail-item p, .contact-detail-item a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact-detail-item a:hover {
  color: var(--accent-blue);
}

/* Form Styles */
.contact-form-card {
  padding: 2.5rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.contact-form-card p {
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(15, 23, 42, 0.15);
  color: var(--text-primary);
  padding: 0.8rem 1rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.form-group select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: #ffffff;
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.15);
}

/* Form Success State styling */
.form-success-state {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 0;
}

.success-icon-wrapper {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  animation: scale-success 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scale-success {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.form-success-state h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.form-success-state p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.form-success-state button {
  margin-top: 0.5rem;
}

/* Footer Section styling */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--glass-border);
  padding: 5rem 0 2rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand-column .brand {
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-links-column {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-column h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links-column a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.footer-links-column a:hover {
  color: var(--accent-blue);
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   ADDITIONAL STYLES FOR PUR AI TAKEOFF & ESTIMATING SUBPAGE
   ========================================================================== */

/* Hero Takeoff Banner details */
.section-takeoff-hero {
  padding: 10rem 0 6rem;
  position: relative;
  z-index: 1;
}

/* AI Takeoff Blueprint Sandbox */
.blueprint-card {
  padding: 1.5rem;
  background: #ffffff;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
}

.blueprint-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--glass-border);
}

.blueprint-meta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.blueprint-canvas {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #f8fafc;
  border: 1px solid rgba(15, 23, 42, 0.05);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blueprint-canvas svg {
  width: 90%;
  height: 90%;
}

/* Blueprint vector styles */
.bp-wall {
  stroke: #94a3b8;
  stroke-width: 2.5px;
  stroke-linecap: round;
}

.bp-door {
  stroke: #3b82f6;
  stroke-width: 1.5px;
  fill: none;
}

.bp-window {
  stroke: #0ea5e9;
  stroke-width: 2px;
  fill: #e0f2fe;
}

.bp-text {
  font-family: var(--font-display);
  font-size: 8px;
  fill: var(--text-muted);
  font-weight: 500;
  text-anchor: middle;
}

/* Area overlays */
.room-overlay {
  opacity: 0;
  transition: opacity 0.5s ease, fill 0.5s ease;
}

.room-overlay.show {
  opacity: 1;
}

.overlay-living {
  fill: rgba(14, 165, 233, 0.15);
  stroke: var(--accent-cyan);
  stroke-width: 1.5px;
}

.overlay-kitchen {
  fill: rgba(245, 158, 11, 0.15);
  stroke: #d97706;
  stroke-width: 1.5px;
}

.overlay-bedroom {
  fill: rgba(139, 92, 246, 0.15);
  stroke: var(--accent-purple);
  stroke-width: 1.5px;
}

/* Scan radar effect */
.scan-bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-blue) 30%, var(--accent-cyan) 50%, var(--accent-blue) 70%, transparent);
  opacity: 0;
  z-index: 10;
  pointer-events: none;
  box-shadow: 0 0 12px var(--accent-cyan);
}

.scan-bar.scanning {
  animation: scan-animation 2.5s ease-in-out infinite;
  opacity: 1;
}

@keyframes scan-animation {
  0% { top: 5%; }
  50% { top: 92%; }
  100% { top: 5%; }
}

/* Takeoff Ledger Table */
.takeoff-ledger-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.takeoff-ledger-card h3 {
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.ledger-table th, .ledger-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.85rem;
}

.ledger-table th {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-muted);
}

.ledger-table td {
  color: var(--text-secondary);
}

.ledger-table tr.total-row td {
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 2px solid var(--glass-border);
}

.room-color-tag {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 0.5rem;
  vertical-align: middle;
}

.color-living { background: var(--accent-cyan); }
.color-kitchen { background: #f59e0b; }
.color-bedroom { background: var(--accent-purple); }

/* Plan.CHAT Interactive Assistant */
.chat-widget {
  display: flex;
  flex-direction: column;
  height: 480px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
  overflow: hidden;
}

.chat-widget-header {
  padding: 1rem 1.5rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-bot-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--grad-cyan-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.chat-bot-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
}

.chat-bot-info span {
  font-size: 0.7rem;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 4px;
}

.chat-bot-info span::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-green);
  border-radius: 50%;
}

.chat-window {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: rgba(15, 23, 42, 0.01);
}

.chat-message {
  display: flex;
  max-width: 85%;
  flex-direction: column;
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
}

.chat-bubble {
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.85rem;
  line-height: 1.5;
  box-shadow: 0 2px 5px rgba(15, 23, 42, 0.02);
}

.bot .chat-bubble {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  border-top-left-radius: 4px;
}

.user .chat-bubble {
  background: var(--accent-blue);
  color: #ffffff;
  border-top-right-radius: 4px;
}

/* Chat choices prompt buttons */
.chat-choices-panel {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--glass-border);
  background: #ffffff;
}

.chat-choices-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.chat-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.choice-btn {
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  border-radius: 99px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
}

.choice-btn:hover {
  background: rgba(37, 99, 235, 0.05);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.choice-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-color: var(--glass-border);
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.01);
}

/* Typing Indicator animation */
.typing-indicator {
  display: inline-flex;
  gap: 4px;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid var(--glass-border);
  align-self: flex-start;
  margin-bottom: 0.5rem;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: typing-dots 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-dots {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}