:root {
  --bg-canvas: #eef7f2;
  --bg-surface: #ffffff;
  --bg-surface-hover: #e2f1e8;
  --text-primary: #1f2937;
  --text-muted: #4b5563;
  --accent-primary: #14532d;
  --accent-secondary: #166534;
  --border-subtle: #c5dec9;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-panel: 20px;
}

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

html, body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  overflow-wrap: anywhere;
  hyphens: auto;
  scroll-behavior: smooth;
}

h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin-bottom: 1.15rem; }

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.dot-grid-bg {
  background-image: radial-gradient(var(--border-subtle) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
}

/* Header - Normal Flow Only */
.site-header {
  position: relative;
  width: 100%;
  background: transparent;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.3s ease;
  z-index: 20;
}

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

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--accent-primary);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent-primary);
  color: var(--bg-surface);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 800;
}

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

.desktop-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--accent-primary);
  text-decoration: underline;
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}

.mobile-dropdown {
  display: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 1.5rem;
}

.mobile-dropdown.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.mobile-nav-list a {
  text-decoration: none;
  display: block;
  padding: 0.4rem 0;
  color: var(--text-primary);
}

/* Buttons - Square-ended outlines with uppercase labels */
.btn {
  display: inline-block;
  border-radius: 0;
  border: 2px solid var(--accent-primary);
  background: transparent;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.8rem 1.4rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

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

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

.btn-solid:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
}

/* Hero Section & Overlapping Collage */
.hero-section {
  padding: 3.5rem 0 4rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  margin-bottom: 1rem;
}

.hero-collage {
  position: relative;
  min-height: 410px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(12, 32px);
}

.collage-item {
  border-radius: var(--radius-panel);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  overflow: hidden;
  padding: 4px;
}

.collage-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.collage-1 {
  grid-column: 1 / 9;
  grid-row: 1 / 8;
  z-index: 1;
}

.collage-2 {
  grid-column: 5 / 13;
  grid-row: 4 / 11;
  z-index: 2;
}

.collage-3 {
  grid-column: 2 / 8;
  grid-row: 8 / 13;
  z-index: 3;
}

/* Sections & Flat Panels */
.section-block {
  padding: 3.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.panel-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  padding: 1.6rem;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.panel-card img,
.feature-image {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius-panel);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1.1rem;
  display: block;
}

.split-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

/* Factual Strip */
.factual-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  padding: 1.25rem;
  margin: 1.75rem 0;
}

.fact-item {
  border-left: 3px solid var(--accent-primary);
  padding-left: 0.85rem;
}

.fact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
  display: block;
}

.fact-value {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text-primary);
}

/* Professional Notice Box */
.pro-notice {
  background: #e3f2e9;
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-panel);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

/* Tabs */
.tabs-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  padding: 1.5rem;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  border-radius: 0;
  border: 1px solid var(--accent-primary);
  background: transparent;
  color: var(--accent-primary);
  padding: 0.6rem 1.1rem;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.tab-btn[aria-selected="true"] {
  background: var(--accent-primary);
  color: var(--bg-surface);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Accordions */
.accordion-group {
  display: grid;
  gap: 0.85rem;
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.15rem 1.4rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion-trigger:hover {
  background: var(--bg-surface-hover);
}

.accordion-content {
  display: none;
  padding: 0 1.4rem 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.accordion-item.open .accordion-content {
  display: block;
  padding-top: 1rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  background: var(--bg-surface);
  margin: 1.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

th, td {
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--border-subtle);
}

th {
  background: #e2f1e8;
  font-weight: 800;
  color: var(--text-primary);
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1.15rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--accent-primary);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  background: var(--bg-surface);
  color: var(--text-primary);
}

.output-preview {
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-panel);
  padding: 1rem;
  font-family: monospace;
  white-space: pre-wrap;
  min-height: 140px;
  margin: 1rem 0;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

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

/* Footer */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2.5rem;
  margin-top: 2rem;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero-grid, .split-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-block;
  }
}

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