:root {
  --bg-espresso: #1e1612;
  --bg-surface: #30231a;
  --text-cream: #f5ecdf;
  --text-muted: #d4c5b0;
  --accent-amber: #f59e0b;
  --accent-dark: #b47305;
  --border-color: rgba(245, 158, 11, 0.4);
  
  --font-heading: "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", sans-serif;
  
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-none: none;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--text-cream);
}

h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: 1.5rem; max-width: 72ch; }

a {
  color: var(--accent-amber);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-dark);
}

/* Header & Nav */
header {
  padding: 1.5rem 5%;
  background-color: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color 0.3s ease;
}

header.scrolled {
  background-color: var(--bg-surface);
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-cream);
  text-decoration: none;
  font-weight: bold;
}

.desktop-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.desktop-nav a {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-cream);
}

.desktop-nav a:hover {
  color: var(--accent-amber);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-cream);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--accent-amber);
  padding: 1rem 5%;
  z-index: 99;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  display: block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 1.2rem;
  color: var(--text-cream);
}

/* Layouts & Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

.hero {
  padding: 12rem 5% 6rem;
  background-color: var(--bg-espresso);
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Pathway/Sequence Layout */
.sequence-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 5%;
  position: relative;
}

.sequence-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(5% + 20px);
  width: 1px;
  background-color: var(--accent-amber);
  z-index: 0;
}

.sequence-node {
  position: relative;
  z-index: 1;
  margin-bottom: 6rem;
  padding-left: 4rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s var(--ease-kinetic);
}

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

.node-marker {
  position: absolute;
  left: 6px;
  top: 0;
  width: 30px;
  height: 30px;
  background-color: var(--bg-espresso);
  border: 1px solid var(--accent-amber);
  border-radius: 4px; /* Per spec: corners 4px */
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  color: var(--accent-amber);
  font-weight: bold;
}

/* Cards & Panels */
.route-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--accent-amber);
  border-radius: 4px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-none);
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--accent-amber);
  color: var(--bg-espresso);
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 0.05em;
  padding: 0.75rem 2rem;
  border-radius: 50px; /* Pill shape */
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: var(--accent-dark);
  color: var(--bg-espresso);
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--accent-amber);
  color: var(--accent-amber);
}

.btn-secondary:hover {
  background-color: var(--accent-amber);
  color: var(--bg-espresso);
}

/* Images & Media */
.img-container {
  margin-bottom: 2rem;
}

.img-fluid {
  width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
}

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

/* Grid Systems */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

/* Lists */
.ordered-days {
  list-style: none;
  counter-reset: day-counter;
}

.ordered-days li {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 2rem;
}

.ordered-days li::before {
  counter-increment: day-counter;
  content: "Day " counter(day-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-heading);
  color: var(--accent-amber);
  text-transform: uppercase;
  font-size: 0.9rem;
}

/* Forms & Tools */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-espresso);
  border: 1px solid var(--accent-amber);
  color: var(--text-cream);
  border-radius: 4px;
  font-family: var(--font-body);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--text-cream);
}

.tool-preview {
  background-color: var(--bg-espresso);
  border: 1px solid var(--accent-amber);
  padding: 1rem;
  border-radius: 4px;
  font-family: monospace;
  white-space: pre-wrap;
  margin-top: 1rem;
  min-height: 100px;
}

.tool-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 2rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  color: var(--accent-amber);
}

/* Footer */
footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--accent-amber);
  padding: 4rem 5% 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.footer-col h4 {
  color: var(--accent-amber);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-cream);
}

.footer-col a:hover {
  color: var(--accent-amber);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Media Queries */
@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .sequence-container::before { left: 5%; }
  .sequence-node { padding-left: 3rem; }
  .node-marker { left: calc(5% - 15px); }
}

@media (min-width: 769px) {
  .sequence-container::before { left: 50%; transform: translateX(-50%); }
  .sequence-node { padding-left: 0; width: 45%; }
  .sequence-node:nth-child(odd) { margin-left: 55%; }
  .node-marker { left: auto; right: -50px; top: 0; }
  .sequence-node:nth-child(odd) .node-marker { right: auto; left: -calc(11% + 15px); }
  /* Aligning nodes on a central line for desktop */
  .sequence-node:nth-child(odd) .node-marker { left: -50px; transform: translateX(-50%); }
  .sequence-node:nth-child(even) .node-marker { right: -50px; transform: translateX(50%); }
}

/* Fix desktop timeline logic */
@media (min-width: 769px) {
  .sequence-container::before { left: 50px; transform: none; }
  .sequence-node { width: 100%; padding-left: 100px; margin-left: 0; }
  .node-marker { left: 35px; right: auto; transform: none; }
  .sequence-node:nth-child(odd) .node-marker { left: 35px; transform: none; }
  .sequence-node:nth-child(even) .node-marker { left: 35px; transform: none; }
}

/* Reverting desktop timeline to simple left aligned for consistency with "continuous line" */
@media (min-width: 200px) {
  .sequence-container::before { left: calc(5% + 20px); transform: none; }
  .sequence-node { width: 100%; padding-left: 60px; margin-left: 0; }
  .node-marker { left: 5px; right: auto; transform: none; }
}

@media (min-width: 769px) {
  .sequence-container { padding-left: 0; }
  .sequence-container::before { left: 20px; }
  .sequence-node { padding-left: 80px; }
  .node-marker { left: 5px; }
}

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