@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;700&family=Inter:wght@300;400;600;800&display=swap');

:root {
  --color-charcoal: #121417;
  --color-charcoal-elevated: #1a1d21;
  --color-surface: #24282e;
  --color-surface-light: #2f333a;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-aviation-white: #f4f6f8;
  --color-text-primary: #e6e8eb;
  --color-text-secondary: #a0a6b0;
  --color-muted-red: #b03030;
  --color-muted-red-bright: #d32f2f;
  --color-radar-green: #27c493;
  --color-radar-green-dim: #1e8a6a;
  --color-amber: #d4a017;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Menlo', 'Consolas', monospace;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;

  --radius: 2px;
  --max-width: 1200px;
  --header-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

/* Utilities */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin-inline: auto;
}

.grid-2 {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-radar-green);
  color: var(--color-charcoal);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 2000;
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 0;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-aviation-white);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-radar-green);
}

/* Header & Nav */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(18, 20, 23, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  color: var(--color-aviation-white);
}

.logo-mark {
  color: var(--color-muted-red);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.logo-sub {
  color: var(--color-text-secondary);
  font-weight: 600;
}

.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-surface-light);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 8px;
}

.mobile-nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-aviation-white);
  width: 100%;
  transition: 0.3s;
}

.main-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-charcoal-elevated);
  border-bottom: 1px solid var(--color-border);
}

.main-nav.is-open {
  display: block;
}

.nav-list {
  list-style: none;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav-list a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
}

.nav-list a:hover {
  background: var(--color-surface);
  color: var(--color-radar-green);
}

@media (min-width: 768px) {
  .mobile-nav-toggle {
    display: none;
  }

  .main-nav {
    display: block !important;
    position: static;
    background: transparent;
    border: none;
  }

  .nav-list {
    flex-direction: row;
    padding: 0;
    align-items: center;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s;
  font-weight: 700;
}

.btn-primary {
  background: var(--color-muted-red);
  color: #fff;
  border-color: var(--color-muted-red);
}

.btn-primary:hover {
  background: var(--color-muted-red-bright);
  border-color: var(--color-muted-red-bright);
  color: #fff;
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-aviation-white);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--color-radar-green);
  color: var(--color-radar-green);
}

/* Sections */
.section {
  padding-block: var(--space-xxl);
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-lead {
  max-width: 60ch;
  font-size: 1.1rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(18, 20, 23, 0.7), rgba(18, 20, 23, 0.95)),
    url('https://images.unsplash.com/photo-1436491865332-7a61a109aa05?q=80&w=2074&auto=format&fit=crop') no-repeat center center / cover;
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, 0.03) 2px, rgba(0, 0, 0, 0.03) 4px);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding-top: var(--header-height);
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted-red);
  margin-bottom: var(--space-md);
}

.hero h1 {
  color: var(--color-aviation-white);
  margin-bottom: var(--space-lg);
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* The Center */
.the-center {
  background-color: var(--color-charcoal-elevated);
}

.center-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  filter: grayscale(50%) contrast(1.1);
}

.center-text h2 {
  color: var(--color-aviation-white);
}

.center-text strong {
  color: var(--color-radar-green);
}

/* Training Modules */
.modules-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (min-width: 600px) {
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .modules-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-top: 3px solid var(--color-muted-red);
  border-radius: var(--radius);
  transition: transform 0.3s, background 0.3s;
}

.module-card:nth-child(2) {
  border-top-color: var(--color-radar-green);
}

.module-card:nth-child(3) {
  border-top-color: var(--color-aviation-white);
}

.module-card:nth-child(4) {
  border-top-color: var(--color-amber);
}

.module-card:hover {
  transform: translateY(-4px);
  background: var(--color-surface-light);
}

.module-card h3 {
  font-size: 1.1rem;
  color: var(--color-aviation-white);
  margin-bottom: var(--space-sm);
}

.module-card p {
  font-size: 0.9rem;
  margin: 0;
}

.module-icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted-red);
  margin-bottom: var(--space-sm);
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.training-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius);
  opacity: 0.7;
  border: 1px solid var(--color-border);
}

/* Flight Desk */
.flight-desk {
  background: var(--color-charcoal);
}

.fids-panel {
  background: #0d0f12;
  border: 1px solid #2a2d33;
  border-radius: var(--radius);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.fids-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid #2a2d33;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

.fids-board {
  min-width: 700px;
}

.fids-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.5fr 1fr 1fr 0.8fr 1fr;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  align-items: center;
}

.fids-row:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}

.fids-cell {
  white-space: nowrap;
}

.fids-label {
  color: var(--color-text-secondary);
}

.fids-dest {
  color: var(--color-aviation-white);
  font-weight: 600;
}

.status {
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.status-ontime {
  color: var(--color-radar-green);
}

.status-delayed {
  color: var(--color-muted-red-bright);
}

.status-boarding {
  color: var(--color-amber);
}

.status-departed {
  color: #555;
}

/* Route Viz */
.route-viz {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.route-viz h3,
.schedule-sim h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

#routeMap {
  width: 100%;
  height: auto;
  overflow: visible;
}

.grid-bg-line {
  stroke: #333;
  stroke-width: 1;
}

.route-line {
  fill: none;
  stroke: #444;
  stroke-width: 2;
  stroke-linecap: round;
}

.route-line.active {
  stroke: var(--color-radar-green);
  stroke-width: 3;
}

.route-node {
  fill: var(--color-aviation-white);
}

.route-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--color-text-secondary);
  text-anchor: middle;
}

.plane-icon {
  fill: var(--color-radar-green);
}

/* Schedule Sim */
.schedule-sim {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.ops-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  min-width: 600px;
}

.ops-table th {
  text-align: left;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-surface-light);
  white-space: nowrap;
}

.ops-table td {
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}

.ops-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.flash {
  animation: flashUpdate 1.5s ease-out;
}

@keyframes flashUpdate {
  0% {
    background-color: rgba(39, 196, 147, 0.15);
  }

  100% {
    background-color: transparent;
  }
}

/* Case Studies */
.case-studies {
  margin-top: var(--space-xl);
}

.case-study {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color 0.3s;
}

.case-study:hover {
  border-color: var(--color-surface-light);
}

.case-study-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
}

.case-study-title-group {
  display: flex;
  flex-direction: column;
}

.case-study-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-aviation-white);
}

.case-study-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.case-study-toggle-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-muted-red);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.case-study.expanded .case-study-toggle-icon {
  transform: rotate(45deg);
  color: var(--color-radar-green);
}

.case-study-body {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding: 0 var(--space-lg);
  transition: max-height 0.5s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s ease, padding 0.4s ease;
}

.case-study.expanded .case-study-body {
  max-height: 600px;
  opacity: 1;
  padding: 0 var(--space-lg) var(--space-lg);
}

.case-study-body h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-muted-red);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
  margin-top: var(--space-md);
}

.case-study-body h4:first-of-type {
  margin-top: 0;
}

.case-study-body p {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.outcome-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: rgba(39, 196, 147, 0.1);
  color: var(--color-radar-green);
  border: 1px solid rgba(39, 196, 147, 0.25);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: var(--space-sm);
}

/* Apply */
.apply {
  background: var(--color-charcoal-elevated);
}

.apply h2 {
  color: var(--color-aviation-white);
}

.contact-block {
  margin-top: var(--space-lg);
  font-style: normal;
}

.contact-item {
  margin-bottom: var(--space-md);
}

.contact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.contact-value {
  color: var(--color-aviation-white);
  font-size: 0.95rem;
}

.contact-value a:hover {
  text-decoration: underline;
}

.ops-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-surface-light);
  color: var(--color-aviation-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-radar-green);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-radar-green);
  min-height: 1.5rem;
}

.form-status.error {
  color: var(--color-muted-red-bright);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-lg);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Images */
.desk-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
  filter: grayscale(40%) contrast(1.05);
  opacity: 0.8;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-radar-green);
  outline-offset: 2px;
}