:root {
  /* Slate & Lime Palette */
  --slate-base: #1e2530;
  --slate-panel: #283240;
  --slate-border: #3b495e;
  --lime-accent: #a3e635;
  --lime-hover: #b4f446;
  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --slate-text-on-lime: #0f131a;

  /* Typography */
  --font-main: "Trebuchet MS", "Segoe UI", sans-serif;
  
  /* Layout & Metrics */
  --radius-sm: 4px;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1200px;
  --text-width: 72ch;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

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

body {
  background-color: var(--slate-base);
  color: var(--text-white);
  font-family: var(--font-main);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: hidden;
  overflow-wrap: anywhere;
  hyphens: auto;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1.5rem; color: var(--text-muted); }
a { color: var(--lime-accent); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--lime-hover); }

/* Layout & Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }
.content-wrapper { max-width: var(--text-width); margin: 0 auto; }

section { padding: var(--spacing-xl) 0; }

/* Structural Brand & Header */
.site-header {
  position: relative; /* Header moves out of view on scroll */
  padding: 1.5rem 0;
  background-color: var(--slate-base);
  border-bottom: 1px solid var(--slate-border);
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-white);
  /* Left-aligned by nature of flex space-between */
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 2rem;
}

.main-nav a {
  color: var(--text-white);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.main-nav a:hover {
  color: var(--lime-accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Full-Width Lime Accent Sections */
.lime-section {
  background-color: var(--lime-accent);
  color: var(--slate-text-on-lime);
}

.lime-section p, .lime-section h1, .lime-section h2, .lime-section h3 {
  color: var(--slate-text-on-lime);
}

/* Panels (replacing traditional cards) */
.panel {
  background-color: var(--slate-panel);
  border-radius: var(--radius-sm);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--slate-border);
}

/* List Rows (Replacing cards as per brief) */
.list-container {
  border-top: 1px solid var(--slate-border);
  margin-top: 2rem;
}

.list-row {
  display: flex;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--slate-border);
  transition: background-color 0.3s var(--ease-kinetic);
}

.list-row:hover {
  background-color: rgba(40, 50, 64, 0.5);
}

.list-icon {
  width: 32px;
  height: 32px;
  color: var(--lime-accent);
  flex-shrink: 0;
  margin-right: 1.5rem;
  margin-top: 0.25rem;
}

.list-content h3 {
  margin-bottom: 0.5rem;
  color: var(--text-white);
}

.list-content p {
  margin-bottom: 0;
}

/* Stat Strips */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  background-color: var(--slate-panel);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin: 2rem 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  border-left: 2px solid var(--lime-accent);
  padding-left: 1rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Tabs Component */
.tabs-header {
  display: flex;
  gap: 1rem;
  border-bottom: 1px solid var(--slate-border);
  margin-bottom: 2rem;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.tab-btn:hover { color: var(--text-white); }
.tab-btn.active {
  color: var(--lime-accent);
  border-bottom: 2px solid var(--lime-accent);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s var(--ease-kinetic);
}
.tab-content.active { display: block; }

/* Accordion Component */
.accordion { margin-bottom: 1rem; }
.accordion-header {
  width: 100%;
  text-align: left;
  background-color: var(--slate-panel);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  color: var(--text-white);
  font-family: inherit;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.3s ease;
}
.accordion-header:hover { border-color: var(--lime-accent); }
.accordion-header::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--lime-accent);
}
.accordion-header.active::after { content: "-"; }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-kinetic);
  background-color: var(--slate-base);
  border-left: 1px solid var(--slate-border);
  border-right: 1px solid var(--slate-border);
  border-bottom: 1px solid transparent;
}
.accordion-body.open {
  border-bottom: 1px solid var(--slate-border);
}
.accordion-content-inner {
  padding: 1.5rem;
  color: var(--text-muted);
}

/* Buttons */
.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--lime-accent);
  border: 1px solid var(--lime-accent);
  border-radius: var(--radius-sm);
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s var(--ease-kinetic);
  font-family: inherit;
}
.btn-outline:hover {
  background: var(--lime-accent);
  color: var(--slate-base);
}

.btn-solid {
  display: inline-block;
  background: var(--slate-base);
  color: var(--text-white);
  border: 1px solid var(--slate-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s var(--ease-kinetic);
  font-family: inherit;
}
.btn-solid:hover {
  border-color: var(--text-white);
}

/* Forms & Inputs */
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-white);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-control {
  width: 100%;
  background-color: var(--slate-panel);
  border: 1px solid var(--slate-border);
  color: var(--text-white);
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  transition: border-color 0.3s ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--lime-accent);
}
.form-control::placeholder { color: var(--slate-border); }

.tool-output {
  margin-top: 2rem;
  background: #0f131a;
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--lime-accent);
  display: none;
}
.tool-output pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text-muted);
  font-family: monospace;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* Imagery */
.hero-no-image {
  background-color: var(--slate-base);
  min-height: 60vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--slate-border);
}

.img-fluid {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: cover;
  background-color: var(--slate-panel);
}

.aspect-16-9 { aspect-ratio: 16 / 9; }
.aspect-4-3 { aspect-ratio: 4 / 3; }

/* Table Wrapper */
.table-wrapper { overflow-x: auto; margin: 2rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
th, td {
  padding: 1rem;
  border-bottom: 1px solid var(--slate-border);
}
th { color: var(--text-white); font-weight: bold; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.05em; }

/* Scroll Reveals */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-kinetic), transform 0.7s var(--ease-kinetic);
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  background-color: var(--slate-base);
  border-top: 1px solid var(--slate-border);
  padding: 4rem 0 2rem;
  text-align: center;
}
.footer-logo {
  font-size: 1.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-white);
  margin-bottom: 2rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.footer-links a { color: var(--text-muted); font-size: 0.9rem; text-transform: uppercase; }
.footer-links a:hover { color: var(--lime-accent); }
.footer-disclaimer {
  max-width: 800px;
  margin: 0 auto 2rem;
  font-size: 0.8rem;
  color: var(--slate-border);
}
.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--slate-panel);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--slate-border);
  }
  .main-nav.active { display: flex; }
  .mobile-menu-btn { display: block; }
  
  .stat-strip { grid-template-columns: 1fr; }
  .tabs-header { padding-bottom: 1rem; }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}