:root {
  --bg-canvas: #252525;
  --bg-band: #1c1c1a;
  --bg-surface: #33332e;
  --bg-surface-hover: #3d3d37;
  --text-primary: #ffffff;
  --text-muted: #d1d1c7;
  --accent-primary: #a3e635;
  --accent-secondary: #eab308;
  --border-subtle: rgba(255, 255, 255, 0.14);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
  --glow-accent: 0 0 24px -4px rgba(163, 230, 53, 0.35);
  --radius-card: 20px;
}

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

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1, h2, h3, h4, .nav-link, .badge-lime, .btn-lime {
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--accent-secondary);
}

:focus-visible {
  outline: 3px solid var(--accent-primary);
  outline-offset: 3px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.prose {
  max-width: 70ch;
  margin: 0 auto;
}

.band-main {
  background-color: var(--bg-canvas);
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.band-alt {
  background-color: var(--bg-band);
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.grid-bg {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}

/* Header & Navigation */
.site-header {
  position: relative;
  z-index: 20;
  background-color: rgba(37, 37, 37, 0.92);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.3s ease;
}

.site-header.header-over-hero {
  background-color: transparent;
}

. site-header.scrolled {
  background-color: #252525;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: "Arial Narrow", "Helvetica Neue", sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-right: auto;
}

.brand-mark {
  width: 28px;
  height: 28px;
  background-color: var(--accent-primary);
  color: #1c1c1a;
  border-radius: 6px;
  display: inline-grid;
  place-items: center;
  font-weight: 900;
  font-size: 0.95rem;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
}

.nav-link:hover, .nav-link[aria-current="page"] {
  color: var(--accent-primary);
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.mobile-nav-drawer {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--accent-primary);
  padding: 1rem 1.5rem;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Hero Section */
.hero-banner {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 1.5rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.42) contrast(1.08);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 28, 26, 0.75) 0%, rgba(37, 37, 37, 0.92) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  margin: 0 auto;
}

.hero-kicker {
  display: inline-block;
  background-color: rgba(163, 230, 53, 0.15);
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

/* Buttons */
.btn-lime {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #181815;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.9rem 1.75rem;
  border-radius: 12px;
  border: 2px solid #181815;
  box-shadow: 4px 4px 0 #000000;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-lime:hover, .btn-lime:focus-visible {
  color: #181815;
  background-color: #bef264;
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 #000000;
}

.btn-outline {
  display: inline-block;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--accent-primary);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-outline:hover {
  background-color: var(--bg-surface-hover);
  color: var(--accent-primary);
}

/* Cards & Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.lesson-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease-kinetic), box-shadow 0.35s var(--ease-kinetic);
}

.lesson-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--shadow-elevation), var(--glow-accent);
  background-color: var(--bg-surface-hover);
}

.card-media-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 1.1rem;
}

.card-media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-subtle);
}

.badge-lime {
  position: absolute;
  bottom: -14px;
  left: 1.25rem;
  background-color: var(--accent-primary);
  color: #181815;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  border-radius: 8px;
  box-shadow: 2px 2px 0 #000000;
}

.card-body {
  padding: 0.75rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body p {
  font-size: 0.98rem;
  flex-grow: 1;
}

/* Split Layout & Diagrams */
.split-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.panel-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 2rem;
}

.media-frame {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.media-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Node & Branching Diagrams */
.branch-diagram {
  background-color: #1e1e1b;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  margin: 1.75rem 0;
}

.node-tier {
  display: flex;
   flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin: 1rem 0;
}

.story-node {
  background-color: var(--bg-surface);
  border: 2px solid var(--accent-primary);
  border-radius: 14px;
  padding: 0.9rem 1.2rem;
  max-width: 280px;
  text-align: left;
}

.story-node.node-muted {
  border-color: rgba(255, 255, 255, 0.3);
}

.node-label {
  display: block;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent-primary);
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.connector-arrow {
  text-align: center;
  color: var(--accent-primary);
  font-family: monospace;
  font-size: 1.2rem;
  line-height: 1;
  margin: 0.25rem 0;
}

/* Dialogue Comparison Table */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-surface);
  text-align: left;
}

th, td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

th {
  background-color: #1c1c1a;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
}

/* Checklist & FAQ */
.checklist {
  list-style: none;
  display: grid;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.checklist li {
  background-color: var(--bg-surface);
  border-left: 4px solid var(--accent-primary);
  padding: 0.9rem 1.25rem;
  border-radius: 0 12px 12px 0;
}

.faq-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Contact Form & Interactive Tool */
.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: #1c1c1a;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--accent-primary);
  outline: none;
}

.preview-box {
  background-color: #161614;
  border: 1px dashed var(--accent-primary);
  border-radius: 14px;
  padding: 1.25rem;
  font-family: monospace;
  white-space: pre-wrap;
  color: #e4e4dc;
  min-height: 160px;
  margin-bottom: 1rem;
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease-kinetic), transform 0.65s var(--ease-kinetic);
}

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

/* Footer */
.site-footer {
  background-color: #161614;
  padding: 4rem 0 2.5rem;
  border-top: 2px solid var(--border-subtle);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-block;
  }
  .split-row {
    grid-template-columns: 1fr;
  }
  .band-main, .band-alt {
    padding: 3rem 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}}