/* ============================================================
   HAT Workshop — Design System
   Pure CSS • No frameworks • Archive-safe
   ============================================================ */

/* -----------------------------------------------------------
   §1  FONT FACES
   ----------------------------------------------------------- */
@font-face {
  font-family: 'Roboto';
  src: url('/fonts/Roboto-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/Inter-Variable.woff2') format('woff2');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

/* -----------------------------------------------------------
   §2  DESIGN TOKENS (Custom Properties)
   ----------------------------------------------------------- */
:root {
  /* — Brand Colors — */
  --color-primary: #3D348B;
  /* Indigo   */
  --color-primary-light: #5A4FCF;
  --color-accent: #E76F51;
  /* Burnt Sienna */
  --color-accent-hover: #D4573A;

  /* — Surface & Text — */
  --color-bg: #FAF7F2;
  /* Warm off-white */
  --color-surface: #FFFFFF;
  --color-surface-alt: #F0EDE6;
  --color-text: #2A2A2A;
  --color-heading: #1A1A1A;
  --color-muted: #6B6B6B;
  --color-border: #D9D5CC;

  /* — Semantic — */
  --color-focus: var(--color-accent);
  --color-link: var(--color-primary);
  --color-link-hover: var(--color-primary-light);

  /* — Deadline Bar — */
  --color-bar-bg: var(--color-primary);
  --color-bar-text: #FFFFFF;

  /* — Typography Scale (fluid) — */
  --font-display: 'Roboto', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'Roboto', system-ui, sans-serif;

  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --text-xl: clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem);
  --text-2xl: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2vw, 3rem);
  --text-hero: clamp(2.5rem, 1.8rem + 3vw, 4.5rem);

  /* — Spacing — */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* — Layout — */
  --max-width: 72rem;
  --max-width-prose: 52rem;

  /* — Misc — */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* -----------------------------------------------------------
   §2b  DARK THEME TOKENS
   ----------------------------------------------------------- */
[data-theme="dark"] {
  --color-primary: #7B73D8;
  --color-primary-light: #9B94F0;
  --color-accent: #F4845F;
  --color-accent-hover: #F6A084;

  --color-bg: #1A1A2E;
  --color-surface: #22223A;
  --color-surface-alt: #2A2A46;
  --color-text: #E0DDD6;
  --color-heading: #F0EDE6;
  --color-muted: #9D9D9D;
  --color-border: #3A3A54;

  --color-link: var(--color-primary-light);
  --color-link-hover: #AEA8F4;

  --color-bar-bg: #2D2D50;
  --color-bar-text: #F0EDE6;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* -----------------------------------------------------------
   §3  RESET & BASE
   ----------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* -----------------------------------------------------------
   §4  TYPOGRAPHY
   ----------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--color-heading);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
  margin-top: var(--space-12);
}

h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  margin-top: var(--space-8);
}

h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  margin-top: var(--space-6);
}

p {
  margin-bottom: var(--space-4);
  max-width: 65ch;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

strong {
  font-weight: 600;
}

code,
.font-mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

ul,
ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

li {
  margin-bottom: var(--space-2);
}

li::marker {
  color: var(--color-accent);
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

/* -----------------------------------------------------------
   §5  SKIP LINK
   ----------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  z-index: 9999;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-2);
}

/* -----------------------------------------------------------
   §6  DEADLINE BAR (Sticky Milestone)
   ----------------------------------------------------------- */
.deadline-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bar-bg);
  color: var(--color-bar-text);
  text-align: center;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--color-accent);
}

.deadline-bar a {
  color: var(--color-accent);
  font-weight: 700;
}

.deadline-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  max-width: var(--max-width);
  margin: 0 auto;
  flex-wrap: wrap;
}

.deadline-label {
  display: inline;
}

.deadline-countdown {
  background: rgba(255, 255, 255, 0.15);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 700;
  white-space: nowrap;
}

[data-theme="dark"] .deadline-countdown {
  background: rgba(255, 255, 255, 0.08);
}

/* Mobile: shorter text */
.deadline-short {
  display: none;
}

@media (max-width: 600px) {
  .deadline-label {
    display: none;
  }

  .deadline-short {
    display: inline;
  }

  .deadline-bar {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }
}

/* -----------------------------------------------------------
   §7  SITE HEADER & NAVIGATION
   ----------------------------------------------------------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-heading);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-logo .logo-accent {
  color: var(--color-accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.site-nav a[aria-current="page"] {
  font-weight: 700;
}

/* Theme toggle button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--color-text);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  cursor: pointer;
}

.mobile-menu-toggle svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-text);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-1);
    box-shadow: var(--shadow-md);
    z-index: 90;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }

  .site-header {
    position: relative;
  }
}

/* -----------------------------------------------------------
   §8  HERO
   ----------------------------------------------------------- */
.hero {
  padding: var(--space-16) var(--space-6) var(--space-12);
  text-align: left;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-overline {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
  display: block;
}

.hero h1 {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-tagline {
  font-size: var(--text-xl);
  color: var(--color-muted);
  max-width: 48ch;
  margin-bottom: var(--space-8);
  line-height: 1.4;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero-meta-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

/* Page-load animation */
.js-loaded .hero h1 {
  animation: fadeSlideIn 0.6s ease both;
}

.js-loaded .hero-tagline {
  animation: fadeSlideIn 0.6s ease 0.15s both;
}

.js-loaded .hero-meta {
  animation: fadeSlideIn 0.6s ease 0.25s both;
}

.js-loaded .hero-actions {
  animation: fadeSlideIn 0.6s ease 0.35s both;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {

  .js-loaded .hero h1,
  .js-loaded .hero-tagline,
  .js-loaded .hero-meta,
  .js-loaded .hero-actions {
    animation: none;
  }
}

/* -----------------------------------------------------------
   §9  BUTTONS
   ----------------------------------------------------------- */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
  cursor: pointer;
  border: none;
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cta-button:active {
  transform: translateY(0);
}

.cta-primary {
  background: var(--color-accent);
  color: #fff;
}

.cta-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
}

.cta-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.cta-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-surface);
}

/* -----------------------------------------------------------
   §10  CONTENT SECTIONS
   ----------------------------------------------------------- */
.content-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
}

.content-section+.content-section {
  padding-top: 0;
}

.content-section--wide {
  max-width: var(--max-width);
}

.content-section h2 {
  margin-top: 0;
  padding-top: var(--space-8);
  border-top: 2px solid var(--color-border);
}

.content-section h2:first-child {
  border-top: none;
  padding-top: 0;
}

/* Page title for subpages */
.page-title-section {
  padding: var(--space-10) var(--space-6) var(--space-6);
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-title-section h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.page-title-section .page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 55ch;
}

/* -----------------------------------------------------------
   §11  KEY DATES
   ----------------------------------------------------------- */
.dates-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.dates-list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}

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

.date-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-accent);
  min-width: 11ch;
  flex-shrink: 0;
}

.date-event {
  font-weight: 500;
  color: var(--color-heading);
}

@media (max-width: 600px) {
  .dates-list li {
    flex-direction: column;
    gap: var(--space-1);
  }
}

/* -----------------------------------------------------------
   §12  CARDS (Committee Members)
   ----------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-heading);
  margin-bottom: var(--space-1);
}

.card-name a {
  color: inherit;
  text-decoration: none;
}

.card-name a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.card-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.card-affiliation {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* -----------------------------------------------------------
   §13  PC LIST (Compact)
   ----------------------------------------------------------- */
.pc-list {
  columns: 2;
  column-gap: var(--space-8);
  list-style: none;
  padding: 0;
}

.pc-list li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
  break-inside: avoid;
  margin-bottom: 0;
}

.pc-name {
  font-weight: 500;
  color: var(--color-heading);
}

.pc-affiliation {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

@media (max-width: 600px) {
  .pc-list {
    columns: 1;
  }
}

/* -----------------------------------------------------------
   §14  SCHEDULE TABLE
   ----------------------------------------------------------- */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-6);
}

.schedule-table th,
.schedule-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.schedule-table th {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: var(--color-surface-alt);
  border-bottom: 2px solid var(--color-border);
}

.schedule-time {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-muted);
  min-width: 9ch;
}

.schedule-title {
  font-weight: 500;
  color: var(--color-heading);
}

.schedule-speaker {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-style: italic;
}

.schedule-papers {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
}

.schedule-papers li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
  margin-bottom: var(--space-1);
}

/* Row type styling */
.schedule-row--break {
  background: var(--color-surface-alt);
}

.schedule-row--break .schedule-title {
  color: var(--color-muted);
  font-weight: 400;
}

.schedule-row--keynote .schedule-title {
  color: var(--color-accent);
  font-weight: 600;
}

/* Badge */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: #fff;
  vertical-align: middle;
}

.badge--muted {
  background: var(--color-surface-alt);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

/* Responsive schedule */
@media (max-width: 600px) {

  .schedule-table,
  .schedule-table thead,
  .schedule-table tbody,
  .schedule-table tr,
  .schedule-table th,
  .schedule-table td {
    display: block;
  }

  .schedule-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .schedule-table tr {
    border-bottom: 2px solid var(--color-border);
    padding: var(--space-3) 0;
    margin-bottom: var(--space-2);
  }

  .schedule-table td {
    border-bottom: none;
    padding: var(--space-1) 0;
  }

  .schedule-time {
    font-weight: 700;
    color: var(--color-accent);
  }
}

/* -----------------------------------------------------------
   §15  TRACKS (CFP page)
   ----------------------------------------------------------- */
.track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.track-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border-top: 3px solid var(--color-accent);
}

.track-card h3 {
  margin-top: 0;
  font-size: var(--text-lg);
}

.track-limit {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

/* -----------------------------------------------------------
   §16  VENUE / ATTEND
   ----------------------------------------------------------- */
.venue-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-bottom: var(--space-8);
}

.venue-header img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .venue-header {
    grid-template-columns: 1fr;
  }
}

.faq-item {
  margin-bottom: var(--space-6);
}

.faq-item h3 {
  font-size: var(--text-base);
  margin-top: 0;
  color: var(--color-heading);
}

.faq-item p {
  color: var(--color-muted);
}

/* -----------------------------------------------------------
   §17  FOOTER
   ----------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-6);
  margin-top: var(--space-16);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
}

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

/* -----------------------------------------------------------
   §18  ACCESSIBILITY & FOCUS
   ----------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Ensure outline visible in dark mode */
[data-theme="dark"] :focus-visible {
  outline-color: var(--color-accent);
}

/* -----------------------------------------------------------
   §19  UTILITY CLASSES
   ----------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.font-display {
  font-family: var(--font-display);
}

.font-body {
  font-family: var(--font-body);
}

.font-mono {
  font-family: var(--font-mono);
}

.text-muted {
  color: var(--color-muted);
}

.text-accent {
  color: var(--color-accent);
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

/* -----------------------------------------------------------
   §20  PARTICIPATION PATHS
   ----------------------------------------------------------- */
.path-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.path-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-top: 4px solid var(--color-accent);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
}

.path-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.path-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: var(--space-4);
  display: block;
}

.path-card h3 {
  margin-top: 0;
  font-size: var(--text-xl);
  color: var(--color-heading);
}

.path-card p {
  color: var(--color-muted);
  font-size: var(--text-base);
  max-width: 36ch;
  line-height: 1.6;
}

.path-card .cta-button {
  margin-top: auto;
  padding-top: var(--space-3);
}

@media (max-width: 768px) {
  .path-grid {
    grid-template-columns: 1fr;
  }
}

/* -----------------------------------------------------------
   §21  DECISION FLOWCHART
   ----------------------------------------------------------- */
.flowchart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: var(--space-8) 0;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  border: 1px solid var(--color-border);
}

.flow-node {
  width: 100%;
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  text-align: center;
  position: relative;
}

.flow-question {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  line-height: 1.4;
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] .flow-question {
  background: var(--color-primary);
  border: none;
  color: #fff;
}

.flow-answer {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
}

.flow-answer--accent {
  border-color: var(--color-accent);
  border-width: 3px;
}

.flow-answer strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  display: block;
  margin-bottom: var(--space-2);
}

.flow-connector {
  display: flex;
  align-items: stretch;
  width: 100%;
  gap: var(--space-6);
}

.flow-branch {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-3) 0;
}

.flow-arrow::after {
  content: '▼';
  display: block;
  font-size: 0.7rem;
  margin-top: var(--space-1);
}

.flow-arrow--yes {
  color: var(--color-accent);
}

.flow-arrow--yes::after {
  color: var(--color-accent);
}

.flow-arrow--no {
  color: var(--color-muted);
}

.flow-arrow--down {
  padding: var(--space-3) 0;
}

@media (max-width: 600px) {
  .flow-connector {
    flex-direction: column;
  }
}

/* -----------------------------------------------------------
   §22  ARGUE LIST (provocation-style list)
   ----------------------------------------------------------- */
.argue-list {
  list-style: none;
  padding: 0;
  margin: var(--space-6) 0;
}

.argue-list li {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-base);
  color: var(--color-heading);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0;
}

.argue-list li::before {
  content: '?';
  position: absolute;
  left: 0;
  top: var(--space-4);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-accent);
  line-height: 1;
}

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