/* ==========================================================================
   Darts Cricket Strategy Research — Main Stylesheet
   Pure CSS, no dependencies. Google Fonts loaded via <link> in HTML.
   Fonts: Inter (headings/nav), Source Serif 4 (body text)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg:            #fafaf5;
  --color-text:          #2d2d2d;
  --color-heading:       #1a1a1a;
  --color-accent:        #e88a1a;
  --color-accent-hover:  #d07a10;
  --color-card-bg:       #ffffff;
  --color-card-border:   #e0ddd5;
  --color-nav-bg:        #1a1a1a;
  --color-nav-text:      #fafaf5;
  --color-green:         #2ecc71;
  --color-yellow:        #f1c40f;
  --color-red:           #e74c3c;
  --color-table-header:  #f5f5f0;
  --color-hover-tint:    rgba(232, 138, 26, 0.08);
  --color-diagonal:      #f0f0eb;
  --color-code-bg:       #f0efea;
  --color-blockquote-bg: #fdf8f2;

  /* Typography */
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;

  /* Spacing */
  --space-xs:  0.2rem;
  --space-sm:  0.4rem;
  --space-md:  0.75rem;
  --space-lg:  1rem;
  --space-xl:  1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 2.5rem;

  /* Layout */
  --max-width:    1100px;
  --side-padding: 6rem;
  --nav-height:   44px;
  --border-radius: 3px;
  --border-radius-sm: 2px;
  --border-radius-pill: 100px;

  /* Shadows */
  --shadow-card:    none;
  --shadow-card-hover: none;
  --shadow-nav:     0 1px 0 rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-lg));
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.25;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-weight: 700;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: 0.95rem; }
h5 { font-size: 0.85rem; }
h6 { font-size: 0.8rem; }

p {
  margin-top: 0;
  margin-bottom: var(--space-md);
}

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

a:hover,
a:focus {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
}

hr {
  border: none;
  border-top: 1px solid var(--color-card-border);
  margin: var(--space-2xl) 0;
}

/* --------------------------------------------------------------------------
   3. Navigation — Fixed Top Bar
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--color-nav-bg);
  box-shadow: var(--shadow-nav);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-inner {
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--side-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-nav-text);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.nav-brand:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-nav-text);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: color 0.2s ease, background-color 0.2s ease;
  opacity: 0.7;
}

.nav-links a:hover {
  color: var(--color-accent);
  opacity: 1;
  text-decoration: none;
}

.nav-links a.active {
  color: var(--color-accent);
  opacity: 1;
  background: rgba(232, 138, 26, 0.1);
}

/* Hamburger toggle — hidden on desktop */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-nav-text);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   4. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-2xl));
  padding-bottom: var(--space-xl);
  text-align: left;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.2;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
  opacity: 0.7;
}

.hero-author {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--color-text);
  opacity: 0.5;
  margin: 0;
}

/* --------------------------------------------------------------------------
   5. Content Layout — .container
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

/* Account for fixed nav on all pages */
.page-content {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-2xl);
}

.section {
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-card-border);
  padding-bottom: var(--space-xs);
  margin-top: var(--space-xl);
}

/* --------------------------------------------------------------------------
   6. Cards — Strategy Descriptions & General Callouts
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.card:hover {
  border-color: #ccc;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 var(--space-xs) 0;
}

.card-body {
  margin: 0;
}

.card-body p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   7. Key Finding Callout — Orange-bordered highlight card
   -------------------------------------------------------------------------- */
.callout {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin: var(--space-lg) 0;
}

.callout-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 var(--space-xs) 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   8. Tournament Matrix Table
   -------------------------------------------------------------------------- */
.matrix-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-lg) 0;
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
}

/* Full-bleed matrix — breaks out of .container */
.matrix-full-bleed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 0 var(--space-lg);
  box-sizing: border-box;
}

.matrix-table {
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  white-space: nowrap;
  width: 100%;
  table-layout: fixed;
}

.matrix-table th,
.matrix-table td {
  border: 1px solid var(--color-card-border);
  padding: 2px 1px;
  text-align: center;
  overflow: hidden;
}

.matrix-table th {
  background: var(--color-table-header);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.6rem;
  color: var(--color-heading);
}

/* Row headers (first column) */
.matrix-table th:first-child,
.matrix-table td:first-child {
  background: var(--color-table-header);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.6rem;
  text-align: left;
  padding-left: 4px;
  width: 2.5em;
}

/* Top-left corner cell */
.matrix-table thead th:first-child {
  z-index: 4;
}

/* Diagonal cells */
.matrix-table .matrix-diagonal {
  background: var(--color-diagonal);
  color: #999;
}

/* Base cell styling — colors applied via JS classes or inline styles */
.matrix-cell {
  transition: background-color 0.15s ease;
  cursor: default;
}

/* Win-rate color classes (can also be set via inline style from JS) */
.matrix-cell.win-high   { background-color: var(--color-green); color: #fff; }
.matrix-cell.win-mid    { background-color: var(--color-yellow); color: #1a1a1a; }
.matrix-cell.win-low    { background-color: var(--color-red); color: #fff; }

/* Hover highlight — applied by JS to row/column on hover */
.matrix-hover-row td,
.matrix-hover-row th {
  background-color: var(--color-hover-tint) !important;
}

.matrix-hover-col {
  background-color: var(--color-hover-tint) !important;
}

/* --------------------------------------------------------------------------
   9. Expandable Strategy Cards — <details>/<summary>
   -------------------------------------------------------------------------- */
details.strategy-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

details.strategy-card summary {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-heading);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.15s ease;
  user-select: none;
}

details.strategy-card summary::-webkit-details-marker {
  display: none;
}

details.strategy-card summary::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text);
  border-bottom: 2px solid var(--color-text);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-left: var(--space-md);
  flex-shrink: 0;
  opacity: 0.5;
}

details.strategy-card[open] summary::after {
  transform: rotate(-135deg);
}

details.strategy-card summary:hover {
  background-color: var(--color-hover-tint);
}

details.strategy-card .strategy-content {
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid var(--color-card-border);
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.strategy-content p:last-child {
  margin-bottom: 0;
}

/* Strategy tag pills inside cards */
.strategy-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: var(--border-radius-pill);
  margin-right: var(--space-xs);
  background: var(--color-hover-tint);
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   10. Rankings Table
   -------------------------------------------------------------------------- */
.rankings-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: 0.78rem;
}

.rankings-table th {
  background: var(--color-table-header);
  font-weight: 700;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-card-border);
  color: var(--color-heading);
  white-space: nowrap;
}

.rankings-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-card-border);
  color: var(--color-text);
}

/* Alternating row colors */
.rankings-table tbody tr:nth-child(even) {
  background: var(--color-table-header);
}

/* Bold top entry */
.rankings-table tbody tr:first-child {
  font-weight: 700;
}

.rankings-table tbody tr:first-child td {
  color: var(--color-heading);
}

/* Rank column — centered number */
.rankings-table td:first-child {
  text-align: center;
  font-weight: 600;
  color: var(--color-accent);
  width: 3em;
}

/* --------------------------------------------------------------------------
   11. Skill/MPR Level Toggle — Pill Buttons
   -------------------------------------------------------------------------- */
.toggle-group {
  display: inline-flex;
  border: 2px solid var(--color-card-border);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
  margin: var(--space-md) 0;
  background: var(--color-card-bg);
}

.toggle-btn {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.toggle-btn:not(:last-child) {
  border-right: 1px solid var(--color-card-border);
}

.toggle-btn:hover {
  background: var(--color-hover-tint);
}

.toggle-btn.active {
  background: var(--color-accent);
  color: #fff;
}

.toggle-btn.active:hover {
  background: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   12. Parameter Tables — Strategy Params
   -------------------------------------------------------------------------- */
.param-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.78rem;
}

.param-table th {
  background: var(--color-table-header);
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-card-border);
  color: var(--color-heading);
}

.param-table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-card-border);
  vertical-align: top;
}

.param-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: nowrap;
  color: var(--color-accent);
  font-weight: 500;
}

.param-table tbody tr:nth-child(even) {
  background: var(--color-table-header);
}

/* Boolean/value badges */
.param-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 1px 6px;
  border-radius: var(--border-radius-sm);
  background: var(--color-code-bg);
}

.param-value.true  { color: var(--color-green); }
.param-value.false { color: var(--color-red); }

/* --------------------------------------------------------------------------
   13. Grid / Heatmap Table — Phase Switch Grid Search
   -------------------------------------------------------------------------- */
.heatmap-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--space-lg) 0;
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
}

.heatmap-table {
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: nowrap;
  width: 100%;
}

.heatmap-table th {
  background: var(--color-table-header);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-card-border);
  text-align: center;
  color: var(--color-heading);
}

.heatmap-table td {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-card-border);
  text-align: center;
  min-width: 3.5em;
  transition: outline 0.15s ease;
}

.heatmap-table td:hover {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  z-index: 1;
  position: relative;
}

/* Row label column */
.heatmap-table td:first-child,
.heatmap-table th:first-child {
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  background: var(--color-table-header);
  min-width: 5em;
}

/* Heatmap color grades — applied via inline styles or classes from JS */
.heat-1 { background-color: #fee0d2; color: #1a1a1a; }
.heat-2 { background-color: #fdccb8; color: #1a1a1a; }
.heat-3 { background-color: #fdb97e; color: #1a1a1a; }
.heat-4 { background-color: #fd9243; color: #fff; }
.heat-5 { background-color: #e88a1a; color: #fff; }
.heat-6 { background-color: #d07a10; color: #fff; }
.heat-best { outline: 3px solid var(--color-heading); outline-offset: -3px; }

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-card-border);
  padding: var(--space-xl) 0;
  margin-top: var(--space-3xl);
  text-align: center;
  color: var(--color-text);
  opacity: 0.5;
  font-size: 0.8rem;
  font-family: var(--font-heading);
}

.footer a {
  color: var(--color-text);
  text-decoration: underline;
}

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

/* --------------------------------------------------------------------------
   15. Code Blocks & Inline Code
   -------------------------------------------------------------------------- */
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  color: var(--color-heading);
}

pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   16. Blockquotes
   -------------------------------------------------------------------------- */
blockquote {
  border-left: 4px solid var(--color-accent);
  margin: var(--space-lg) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-blockquote-bg);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--color-text);
}

blockquote p:last-child {
  margin-bottom: 0;
}

blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-style: normal;
  font-size: 0.85rem;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   17. Methodology Tables — Skill Profile Outcome Distributions
   -------------------------------------------------------------------------- */
.methodology-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.78rem;
}

.methodology-table th {
  background: var(--color-table-header);
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-card-border);
  color: var(--color-heading);
}

.methodology-table th:first-child {
  text-align: left;
}

.methodology-table td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-card-border);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.methodology-table td:first-child {
  font-family: var(--font-heading);
  font-weight: 500;
  text-align: left;
}

.methodology-table tbody tr:nth-child(even) {
  background: var(--color-table-header);
}

/* Highlighted row for "best" profile */
.methodology-table tbody tr.highlight {
  background: var(--color-hover-tint);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   18. Utility Classes
   -------------------------------------------------------------------------- */
.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-muted   { opacity: 0.6; }
.text-accent  { color: var(--color-accent); }
.text-mono    { font-family: var(--font-mono); }
.text-small   { font-size: 0.85rem; }
.mt-0  { margin-top: 0; }
.mt-1  { margin-top: var(--space-md); }
.mt-2  { margin-top: var(--space-xl); }
.mb-0  { margin-bottom: 0; }
.mb-1  { margin-bottom: var(--space-md); }
.mb-2  { margin-bottom: var(--space-xl); }
.hidden { display: none; }

/* Flex helpers */
.flex       { display: flex; }
.flex-wrap  { flex-wrap: wrap; }
.flex-gap   { gap: var(--space-md); }
.flex-between { justify-content: space-between; }
.flex-center  { align-items: center; }

/* --------------------------------------------------------------------------
   19. Responsive — Breakpoint at 768px
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Typography scale down */
  body {
    font-size: 0.82rem;
  }

  h1 { font-size: 1.25rem; }
  h2 { font-size: 1.05rem; }
  h3 { font-size: 0.95rem; }

  .hero-title {
    font-size: 1.3rem;
  }

  .hero-subtitle {
    font-size: 0.8rem;
  }

  /* Container padding */
  .container {
    padding: 0 var(--space-md);
  }

  /* Navigation — mobile hamburger */
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-nav-bg);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-nav);
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    margin: 0;
  }

  .nav-links a {
    display: block;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.95rem;
    border-radius: 0;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: rgba(232, 138, 26, 0.15);
  }

  /* Tables scroll horizontally */
  .matrix-wrapper,
  .heatmap-wrapper {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  /* Rankings table becomes scrollable */
  .rankings-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Cards reduce padding */
  .card {
    padding: var(--space-md);
  }

  .callout {
    padding: var(--space-md);
  }

  details.strategy-card summary {
    padding: var(--space-sm) var(--space-md);
  }

  details.strategy-card .strategy-content {
    padding: 0 var(--space-md) var(--space-md);
  }

  /* Toggle group wraps if needed */
  .toggle-group {
    flex-wrap: wrap;
    border-radius: var(--border-radius);
  }

  .toggle-btn {
    flex: 1 1 auto;
    text-align: center;
    padding: var(--space-sm) var(--space-md);
  }

  /* Section spacing */
  .section {
    margin-bottom: var(--space-xl);
  }

  .space-3xl {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
}

/* Small phones */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .matrix-table {
    font-size: 0.5rem;
  }

  .matrix-table th,
  .matrix-table td {
    padding: 1px 1px;
  }

  .matrix-full-bleed {
    padding: 0 var(--space-xs);
  }
}

/* --------------------------------------------------------------------------
   20. Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .nav,
  .nav-toggle,
  .toggle-group {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 11pt;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .page-content {
    padding-top: 0;
  }

  .card,
  .callout,
  details.strategy-card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .matrix-table th,
  .matrix-table td:first-child {
    position: static;
  }
}