/* Apple-esque Dark Theme with SF Pro Font */

:root {
  /* Colors - Apple Dark Theme Inspired */
  --bg-primary: #000000;
  --bg-secondary: #1c1c1e;
  --bg-tertiary: #2c2c2e;
  --bg-quaternary: #3a3a3c;
  
  --text-primary: #ffffff;
  --text-secondary: #aeaeb2;
  --text-tertiary: #8e8e93;
  
  --accent-blue: #007aff;
  --accent-green: #30d158;
  --accent-orange: #ff9f0a;
  --accent-red: #ff453a;
  --accent-purple: #bf5af2;
  
  --gradient-primary: linear-gradient(135deg, #007aff, #bf5af2);
  --gradient-secondary: linear-gradient(135deg, #30d158, #007aff);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Borders */
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 122, 255, 0.3);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', Inter, system-ui, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
}

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

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background */
.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
  opacity: 0.1;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-primary);
  animation: float 20s infinite linear;
}

.floating-element:nth-child(1) {
  width: 100px;
  height: 100px;
  top: 10%;
  left: -5%;
  animation-delay: 0s;
  animation-duration: 25s;
}

.floating-element:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 60%;
  left: -3%;
  animation-delay: -5s;
  animation-duration: 30s;
}

.floating-element:nth-child(3) {
  width: 80px;
  height: 80px;
  top: 30%;
  left: -4%;
  animation-delay: -10s;
  animation-duration: 35s;
}

.floating-element:nth-child(4) {
  width: 120px;
  height: 120px;
  top: 80%;
  left: -6%;
  animation-delay: -15s;
  animation-duration: 40s;
}

.floating-element:nth-child(5) {
  width: 40px;
  height: 40px;
  top: 20%;
  left: -2%;
  animation-delay: -20s;
  animation-duration: 20s;
}

@keyframes float {
  from {
    transform: translateX(0) rotate(0deg);
  }
  to {
    transform: translateX(calc(100vw + 200px)) rotate(360deg);
  }
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(28, 28, 30, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.nav-logo {
  font-size: var(--font-size-xl);
  color: var(--accent-blue);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: all 0.3s ease;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 120px var(--spacing-lg) var(--spacing-3xl);
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1), rgba(191, 90, 242, 0.1));
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  font-weight: 400;
}

.hero-location {
  color: var(--text-tertiary);
  font-size: var(--font-size-lg);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.stat-item i {
  color: var(--accent-green);
  font-size: var(--font-size-md);
}

/* Main Content */
.main-content {
  padding: 0 var(--spacing-lg);
}

.content-section {
  max-width: 1200px;
  margin: 0 auto var(--spacing-3xl);
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  box-shadow: var(--shadow-glow);
}

.section-icon i {
  font-size: var(--font-size-2xl);
  color: white;
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-weight: 400;
}

/* Content Cards */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-2xl);
}

.content-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 122, 255, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 122, 255, 0.2);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.card-icon i {
  font-size: var(--font-size-xl);
  color: var(--accent-blue);
}

.content-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.content-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Programs Table */
.table-container {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.table-wrapper {
  overflow-x: auto;
}

.programs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.programs-table th {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.programs-table td {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: top;
  color: var(--text-secondary);
}

.program-row:hover {
  background: rgba(0, 122, 255, 0.05);
}

.program-name {
  min-width: 300px;
}

.program-badge {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.program-badge i {
  color: var(--accent-blue);
  margin-top: 2px;
}

.deliverables-list,
.metrics-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.deliverables-list li,
.metrics-list li {
  padding: var(--spacing-xs) 0;
  position: relative;
  padding-left: var(--spacing-md);
}

.deliverables-list li::before,
.metrics-list li::before {
  content: '•';
  color: var(--accent-blue);
  position: absolute;
  left: 0;
}

.duration {
  font-weight: 600;
  color: var(--text-primary);
}

.price {
  font-weight: 700;
  color: var(--accent-green);
  font-size: var(--font-size-md);
}

.table-note {
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
}

.table-note i {
  color: var(--accent-orange);
}

/* Program Details */
.program-detail {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.program-detail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.program-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.program-number {
  background: var(--gradient-primary);
  color: white;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  flex-shrink: 0;
}

.program-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.program-fit {
  color: var(--text-secondary);
  line-height: 1.7;
}

.workstreams h4,
.concrete-outputs h4 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.workstreams h4 i,
.concrete-outputs h4 i {
  color: var(--accent-blue);
}

.workstream-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.workstream-item {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.workstream-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 122, 255, 0.2);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.workstream-icon i {
  color: var(--accent-blue);
  font-size: var(--font-size-lg);
}

.workstream-item h5 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.workstream-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.outputs-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.outputs-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
}

.outputs-list i {
  color: var(--accent-green);
  font-size: var(--font-size-sm);
}

/* Timeline */
.timeline-container {
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.timeline-marker {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.timeline-marker i {
  color: white;
  font-size: var(--font-size-lg);
}

.timeline-content {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex: 1;
}

.timeline-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Commercial Grid */
.commercial-grid,
.why-grid,
.alignment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.commercial-item,
.why-item,
.alignment-item {
  background: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.commercial-item:hover,
.why-item:hover,
.alignment-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 122, 255, 0.3);
}

.commercial-icon,
.why-icon,
.alignment-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  box-shadow: var(--shadow-glow);
}

.commercial-icon i,
.why-icon i,
.alignment-icon i {
  color: white;
  font-size: var(--font-size-xl);
}

.commercial-item h3,
.why-item h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.alignment-item h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.commercial-item p,
.why-item p,
.alignment-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-brand i {
  color: var(--accent-blue);
}

.footer p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.footer-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.badge {
  background: rgba(0, 122, 255, 0.2);
  color: var(--accent-blue);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1px solid rgba(0, 122, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .table-wrapper {
    font-size: var(--font-size-xs);
  }
  
  .program-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .workstream-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-container::before {
    left: 16px;
  }
  
  .timeline-marker {
    width: 32px;
    height: 32px;
  }
  
  .timeline-marker i {
    font-size: var(--font-size-sm);
  }
  
  .commercial-grid,
  .why-grid,
  .alignment-grid {
    grid-template-columns: 1fr;
  }
}

/* Scroll Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.content-section {
  animation: fadeInUp 0.8s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-quaternary);
  border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Selection */
::selection {
  background: rgba(0, 122, 255, 0.3);
  color: var(--text-primary);
}

/* Focus States */
.nav-link:focus,
button:focus,
input:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}