:root {
  --bg-base: #f3e9d8;
  --bg-surface: #fffaf1;
  --bg-alt: #ebdcc4;
  --text-main: #262626;
  --text-muted: #6b6459;
  --accent-terracotta: #a74424;
  --accent-deep: #782e16;
  --accent-ochre: #c57b32;
  --border-utility: #dfd0bb;
  --shadow-subtle: 0 4px 16px rgba(50, 35, 20, 0.08);
  --shadow-lift: 0 10px 24px rgba(50, 35, 20, 0.14);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1100px;
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1, h2, h3, h4, .brand-text, .atlas-label {
  font-family: "Arial Narrow", "Helvetica Neue", "Franklin Gothic Medium", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent-terracotta);
  text-decoration: none;
  transition: color 0.2s var(--ease-kinetic);
}
a:hover { color: var(--accent-deep); }

.prose {
  max-width: 72ch;
  margin-left: 0;
  margin-right: auto;
}
.prose.center { margin-left: auto; margin-right: auto; }

/* Site Header (Relative, scrolls away) */
.site-header {
  position: relative;
  width: 100%;
  background: transparent;
  padding: 1.5rem 1.5rem;
  z-index: 100;
  border-bottom: 1px solid var(--border-utility);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
  text-align: left;
}
.brand-symbol {
  width: 32px;
  height: 32px;
  background: var(--accent-terracotta);
  color: #fffaf1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -1px;
}
.brand-title {
  font-size: 1.05rem;
  letter-spacing: 0.14em;
  margin: 0;
}
.brand-tag {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent-terracotta);
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.site-nav a {
  color: var(--text-main);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  position: relative;
  padding-bottom: 4px;
}
.site-nav a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-terracotta);
  transition: width 0.25s var(--ease-kinetic);
}
.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--text-main);
  padding: 0 0.5rem;
  line-height: 1;
}

.mobile-nav-panel {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-bottom: 2px solid var(--accent-terracotta);
  box-shadow: var(--shadow-lift);
  padding: 1.25rem 2rem;
  flex-direction: column;
  gap: 1rem;
}
.mobile-nav-panel.open { display: flex; }
.mobile-nav-panel a {
  font-size: 1rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-main);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-utility);
}

/* Layout Containers and Tonal Bands */
.band {
  width: 100%;
  padding: 4.5rem 1.5rem;
}
.band-sand { background-color: var(--bg-base); }
.band-cream { background-color: var(--bg-surface); }
.band-warm { background-color: var(--bg-alt); }

.band-cut-bottom {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
  padding-bottom: 6rem;
}
.band-cut-top {
  clip-path: polygon(0 24px, 100% 0, 100% 100%, 0 100%);
  padding-top: 6rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Hero Section */
.hero-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}
.hero-content {
  text-align: left;
}
.hero-visual {
  background: var(--bg-surface);
  border: 1px solid var(--border-utility);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
}
.hero-diagram {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.diagram-box {
  background: var(--bg-base);
  padding: 1.25rem;
  border-left: 3px solid var(--accent-terracotta);
}
.diagram-box strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-deep);
}
.diagram-box span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Buttons and Links */
.btn-primary {
  display: inline-block;
  background-color: var(--accent-terracotta);
  color: #fffaf1 !important;
  padding: 0.9rem 2rem;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease-kinetic), transform 0.2s var(--ease-kinetic);
}
.btn-primary:hover {
  background-color: var(--accent-deep);
  transform: translateY(-2px);
}

.link-expand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-terracotta);
  position: relative;
  padding-bottom: 2px;
}
.link-expand::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-terracotta);
  transition: width 0.2s var(--ease-kinetic);
}
.link-expand:hover::after {
  background: var(--accent-deep);
}

/* Resource Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.resource-card {
  background: var(--bg-surface);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic);
  border-top: 3px solid transparent;
}
.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-top: 3px solid var(--accent-terracotta);
}

.card-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ochre);
  margin-bottom: 0.5rem;
}
.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.card-meta {
  padding-top: 1rem;
  border-top: 1px solid var(--border-utility);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.limit-tag {
  background: var(--bg-alt);
  color: var(--accent-deep);
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Feature Matrix & Tables */
.table-wrapper {
  overflow-x: auto;
  background: var(--bg-surface);
  box-shadow: var(--shadow-subtle);
  margin: 2rem 0;
  border: 1px solid var(--border-utility);
}
table.atlas-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}
table.atlas-table th,
table.atlas-table td {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border-utility);
}
table.atlas-table th {
  background: var(--bg-alt);
  font-family: "Arial Narrow", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--text-main);
}
table.atlas-table tr:hover td {
  background: #fdf6ec;
}
.badge-check {
  color: var(--accent-deep);
  font-weight: bold;
}
.badge-cross {
  color: var(--text-muted);
}

/* Numbered Tutorial Strips */
.step-strip {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}
.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  background: var(--bg-surface);
  box-shadow: var(--shadow-subtle);
}
.step-num {
  background: var(--bg-alt);
  color: var(--accent-terracotta);
  font-family: "Arial Narrow", sans-serif;
  font-size: 2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 2px solid var(--border-utility);
}
.step-body {
  padding: 1.75rem 2rem;
}

/* Visual Media Container */
.media-frame {
  width: 100%;
  margin: 1.5rem 0;
  border: 1px solid var(--border-utility);
  background: var(--bg-surface);
}
.media-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* FAQ Accordion */
.faq-block {
  margin: 1.25rem 0;
  background: var(--bg-surface);
  border-left: 3px solid var(--border-utility);
  box-shadow: var(--shadow-subtle);
}
.faq-block.open {
  border-left-color: var(--accent-terracotta);
}
.faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-family: "Arial Narrow", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-main);
}
.faq-body {
  display: none;
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.faq-block.open .faq-body { display: block; }

/* Utility Tool / Message Composer Panel */
.composer-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-utility);
  padding: 2.5rem;
  box-shadow: var(--shadow-subtle);
  margin-top: 2rem;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}
.form-control {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--bg-base);
  border: 1px solid var(--border-utility);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
}
.form-control:focus {
  outline: 2px solid var(--accent-terracotta);
  background: #fff;
}
.action-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.5rem;
}
.composer-output {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--bg-alt);
  font-family: monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  display: none;
}
.alert-box {
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  display: none;
  background: #ecdac5;
  color: var(--accent-deep);
  border-left: 3px solid var(--accent-terracotta);
}

/* Footer (Standard across all pages) */
.site-footer {
  background: #231f1c;
  color: #dfd5c6;
  padding: 4rem 1.5rem 2.5rem 1.5rem;
  border-top: 4px solid var(--accent-terracotta);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-col h4 {
  color: #fffaf1;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid #3d3732;
  padding-bottom: 0.5rem;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.6rem;
}
.footer-links a {
  color: #dfd5c6;
  font-size: 0.85rem;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid #3d3732;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #9c9183;
}
.footer-bottom a {
  color: #c9beae;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .hero-split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .step-item { grid-template-columns: 1fr; }
  .step-num { padding: 1rem; border-right: none; border-bottom: 2px solid var(--border-utility); }
  .footer-inner { grid-template-columns: 1fr; }
  .band { padding: 3rem 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}}