:root {
  /* Strict Lumen Guide Palette (No Blue) */
  --bg-base: #13261d; /* Forest Green Base */
  --bg-alt: #1c382b;  /* Forest Green Lighter Alternate */
  --text-main: #efe6d2; /* Parchment */
  --text-muted: #c8c0ad;
  --accent: #b8923a; /* Brass */
  
  /* Typography */
  --font-head: "Arial Narrow", "Helvetica Neue", Helvetica, sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Dimensions & Spacing */
  --col-max: 1100px;
  --radius-badge: 50%;
  --radius-btn: 50px;
  
  /* Animation / UI */
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
  --glow-accent: 0 0 24px -4px var(--accent);
}

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

body, html {
  margin: 0;
  padding: 0;
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
  scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 0;
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: 1rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; color: var(--accent); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 0.75rem; }

p { margin-bottom: 1.5rem; max-width: 72ch; }
a { color: var(--accent); text-decoration: none; transition: opacity 0.3s ease; }
a:hover { opacity: 0.8; }

/* Structural Container */
.container {
  max-width: var(--col-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Top Bar & Header */
.top-bar {
  background-color: var(--bg-alt);
  text-align: center;
  padding: 8px 20px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-head);
  color: var(--text-muted);
}

header {
  position: relative; 
  padding: 20px 0;
  border-bottom: 1px solid rgba(184, 146, 58, 0.2);
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 24px;
  height: 24px;
  background-color: var(--accent);
  border-radius: var(--radius-badge);
  display: inline-block;
}

/* Desktop Nav */
.main-nav { display: none; }
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--text-main);
  font-family: var(--font-head);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  font-weight: bold;
}
.main-nav a:hover {
  color: var(--accent);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 5px;
  display: block;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--bg-alt);
  padding: 20px;
  box-shadow: var(--shadow-elevation);
  z-index: 99;
}
.mobile-menu.active { display: block; }
.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-menu a {
  font-family: var(--font-head);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
  display: block;
}

@media (min-width: 1025px) {
  .mobile-toggle { display: none; }
  .main-nav { display: block; }
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg-base);
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: bold;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: transform 0.4s var(--ease-kinetic), box-shadow 0.4s var(--ease-kinetic);
}
.btn:hover, .btn:focus-visible {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
  opacity: 1;
}

/* Sections & Alternating Bands */
.section-pad {
  padding: 6rem 0;
  position: relative;
  z-index: 2;
}

.section-alt {
  background-color: var(--bg-alt);
  padding: 10vw 0;
  margin: -4vw 0;
  clip-path: polygon(0 4vw, 100% 0, 100% calc(100% - 4vw), 0 100%);
  position: relative;
  z-index: 1;
}

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

/* Overlapping Hero Collage */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media(min-width: 769px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-collage {
  position: relative;
  height: 450px;
  width: 100%;
}
.hero-img {
  position: absolute;
  width: 55%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border: 8px solid var(--bg-base);
}
.hero-img-1 { top: 0; left: 0; z-index: 2; }
.hero-img-2 { top: 25%; left: 40%; z-index: 4; border-color: var(--bg-alt); }
.hero-img-3 { bottom: 0; left: 15%; z-index: 3; }

/* Grid & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.card {
  background: var(--bg-base);
  padding: 0;
  margin-top: 30px;
  transition: transform 0.4s var(--ease-kinetic);
}
.section-alt .card {
  background: var(--bg-base); /* Contrast against alt background */
}
.section-pad:not(.section-alt) .card {
  background: var(--bg-alt);
}
.card:hover {
  transform: translateY(-8px);
}

.card-img-wrap {
  position: relative;
}
.card-img-wrap img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
}
.card-badge {
  position: absolute;
  top: -20px;
  right: 20px;
  width: 70px;
  height: 70px;
  background: var(--accent);
  color: var(--bg-base);
  border-radius: var(--radius-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: bold;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-align: center;
  text-transform: uppercase;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.card-content {
  padding: 30px;
}
.card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.card-content p {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Interactive Form / Tool */
.planner-form {
  background: var(--bg-alt);
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 20px;
  text-align: left;
}
.form-group label {
  display: block;
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--accent);
}
.form-group select, .form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  background: var(--bg-base);
  border: 1px solid rgba(184, 146, 58, 0.3);
  color: var(--text-main);
  font-family: var(--font-body);
}
.form-group select:focus, .form-group input:focus, .form-group textarea:focus {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}
.result-box {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg-base);
  border-left: 4px solid var(--accent);
  display: none;
}
.result-box.active {
  display: block;
}
.result-box pre {
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.tool-actions {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

/* Footer Diagram Structure */
footer {
  background: var(--bg-base);
  border-top: 2px solid var(--accent);
  padding: 60px 0 30px;
  font-size: 0.85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--accent);
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(239, 230, 210, 0.1);
  padding-top: 20px;
  text-align: center;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-legal-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Table styling */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}
th, td {
  padding: 12px;
  border: 1px solid rgba(184, 146, 58, 0.2);
  text-align: left;
}
th {
  background: var(--bg-alt);
  color: var(--accent);
  font-family: var(--font-head);
  text-transform: uppercase;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-kinetic), transform 0.8s var(--ease-kinetic);
}
.reveal.reveal-visible {
  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}}