/* Mint Bento Ledger Theme - No Blue Allowed */
:root {
  /* Dynamic Palette */
  --bg-canvas: #eef7f2; /* Pale mint */
  --bg-surface: #ffffff; /* White tile surface */
  --bg-dark: #14532d; /* Deep green accent/block */
  --text-primary: #1f2937; /* Charcoal */
  --text-inverse: #eef7f2; /* Mint on dark */
  --accent-primary: #14532d; /* Deep green */
  --border-subtle: #c7dccf; /* Divider */

  /* Typography */
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, Consolas, "Courier New", monospace;
  
  /* Micro-interactions & Structure */
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: none;
  --radius-sharp: 0px;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

/* Header & Top Bar */
.top-bar {
  background-color: var(--bg-dark);
  color: var(--bg-canvas);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  text-transform: uppercase;
}

.site-header {
  position: static;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.desktop-nav {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}

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

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

.mobile-nav-overlay {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  flex-direction: column;
}

.mobile-nav-overlay.active {
  display: flex;
}

.mobile-nav-overlay a {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  text-decoration: none;
  color: var(--text-primary);
  text-transform: uppercase;
}

/* Hero */
.hero-band {
  background-color: var(--bg-canvas);
  padding: 3rem 2rem 1rem;
  text-align: left;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-band h1 {
  font-family: var(--font-body);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  max-width: 20ch;
  line-height: 1.1;
}

/* Page Headers (Modules) */
.module-header {
  padding: 4rem 2rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.module-header h1 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
}

/* Bento Grid System */
.bento-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.tile {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sharp);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.tile-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.span-2x2 { grid-column: span 2; grid-row: span 2; }
.span-2x1 { grid-column: span 2; grid-row: span 1; }
.span-1x1 { grid-column: span 1; grid-row: span 1; }
.span-4x1 { grid-column: span 4; }

/* List Rows inside Tiles */
.list-row {
  display: flex;
  align-items: flex-start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-subtle);
  gap: 1rem;
}

.list-row:last-child {
  border-bottom: none;
}

.list-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent-primary);
}

.list-content {
  flex-grow: 1;
}

.list-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.25rem;
}

.list-desc {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.mono-row {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
}
.mono-row:last-child { border-bottom: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sharp);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-kinetic);
}

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

/* Deep Green Blocks */
.block-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 4rem 2rem;
  width: 100%;
}

.block-dark .inner {
  max-width: 1200px;
  margin: 0 auto;
}

.block-dark h2 {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  text-transform: uppercase;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(238,247,242,0.2);
  padding-bottom: 1rem;
}

.faq-row {
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(238,247,242,0.2);
}
.faq-row h3 { font-family: var(--font-mono); font-size: 1rem; margin-bottom: 0.5rem; }
.faq-row p { font-size: 1rem; opacity: 0.9; }

/* Long-form copy / Module content */
.course-content {
  max-width: 72ch;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.course-content p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.course-content h2, .course-content h3 {
  font-family: var(--font-mono);
  color: var(--accent-primary);
  margin: 3rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.course-content h2 { font-size: 1.25rem; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.5rem; }
.course-content h3 { font-size: 1rem; }

.course-content ul {
  margin-bottom: 2rem;
  padding-left: 0;
  list-style-type: none;
}
.course-content li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
}
.course-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--accent-primary);
}

/* Imagery (Duotone) */
.img-wrapper {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  margin: 2rem 0;
  background: var(--bg-dark);
}

.img-duotone {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(100%) hue-rotate(85deg) saturate(120%) brightness(0.8) contrast(1.2);
  mix-blend-mode: hard-light;
  opacity: 0.9;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
}
th, td {
  border: 1px solid var(--border-subtle);
  padding: 1rem;
  text-align: left;
}
th {
  font-family: var(--font-mono);
  font-weight: normal;
  text-transform: uppercase;
  background: var(--bg-canvas);
  font-size: 0.85rem;
}

/* Contact Form Tool */
.contact-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.input-group { display: flex; flex-direction: column; gap: 0.5rem; }
.input-group label { font-family: var(--font-mono); font-size: 0.85rem; text-transform: uppercase; }
.input-group input, .input-group textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sharp);
  background: var(--bg-canvas);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
}
.input-group input:focus, .input-group textarea:focus { outline: 1px solid var(--accent-primary); }

.receipt-pane {
  background: var(--bg-canvas);
  border: 1px dashed var(--accent-primary);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  margin-top: 2rem;
  min-height: 100px;
}
.btn-group { display: flex; gap: 1rem; margin-top: 1rem; flex-wrap: wrap; }

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

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 4rem 2rem 2rem;
  margin-top: 4rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--bg-canvas);
  border-bottom: 1px solid rgba(238,247,242,0.2);
  padding-bottom: 0.5rem;
}
.footer-list { list-style: none; padding: 0; }
.footer-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(238,247,242,0.1);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.footer-list li:last-child { border-bottom: none; }
.footer-list a { color: var(--text-inverse); text-decoration: none; }
.footer-list a:hover { opacity: 0.7; }
.copyright {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(238,247,242,0.2);
}

/* Media Queries */
@media (max-width: 1024px) {
  .bento-container { grid-template-columns: repeat(2, 1fr); }
  .span-2x2 { grid-column: span 2; grid-row: span 2; }
  .span-2x1 { grid-column: span 2; grid-row: span 1; }
  .span-4x1 { grid-column: span 2; }
}

@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .site-header { position: relative; }
  
  .bento-container { grid-template-columns: 1fr; }
  .span-2x2, .span-2x1, .span-4x1 { grid-column: span 1; grid-row: auto; }
  
  .hero-band h1 { font-size: 2.5rem; }
  .module-header h1 { font-size: 1.25rem; }
}

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