/* ============================================================
   Darien D61 Unified Feeder Committee — stylesheet
   ============================================================ */

/* ---------- Design tokens ---------- */
:root,
[data-theme='light'] {
  /* Surfaces — warm paper, civic-document feel */
  --color-bg: #f5f4ef;
  --color-surface: #ffffff;
  --color-surface-2: #eeece3;
  --color-surface-offset: #e7e4d9;
  --color-border: #dbd7cb;
  --color-divider: #e2dfd4;

  /* Text */
  --color-text: #1c2230;
  --color-text-muted: #5b6270;
  --color-text-faint: #9aa0ac;
  --color-text-inverse: #f5f4ef;

  /* Primary accent — civic navy */
  --color-primary: #1d3557;
  --color-primary-hover: #142640;
  --color-primary-active: #0f1c30;
  --color-primary-highlight: #dbe3ec;

  /* Secondary accent — action amber */
  --color-accent: #b3801f;
  --color-accent-hover: #966a19;
  --color-accent-highlight: #efe1c4;

  /* Semantic */
  --color-success: #43703a;
  --color-warning: #96501f;

  /* District map hues, echoed sparingly for legend chips */
  --color-d86: #b5545a;
  --color-d99: #4f8f74;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(28, 34, 48, 0.06);
  --shadow-md: 0 6px 20px rgba(28, 34, 48, 0.08);
  --shadow-lg: 0 16px 40px rgba(28, 34, 48, 0.14);

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1180px;

  --font-display: 'General Sans', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Public Sans', 'Segoe UI', system-ui, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #12151c;
  --color-surface: #181c25;
  --color-surface-2: #1e222c;
  --color-surface-offset: #232733;
  --color-border: #2c313d;
  --color-divider: #262b36;

  --color-text: #e7e8ec;
  --color-text-muted: #9aa1ad;
  --color-text-faint: #666d7a;
  --color-text-inverse: #12151c;

  --color-primary: #7ea3cf;
  --color-primary-hover: #a0bfe0;
  --color-primary-active: #b7d0ea;
  --color-primary-highlight: #26323f;

  --color-accent: #e0ac4f;
  --color-accent-hover: #edc178;
  --color-accent-highlight: #3a2f1d;

  --color-success: #7fb56f;
  --color-warning: #d78b53;

  --color-d86: #d98a8f;
  --color-d99: #7fbf9f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* ---------- Type scale ---------- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.2rem + 1vw, 1.875rem);
  --text-2xl: clamp(1.875rem, 1.4rem + 2vw, 2.75rem);
  --text-hero: clamp(2.5rem, 1.6rem + 3.6vw, 4.25rem);

  --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;
  --space-24: 6rem;
  --space-32: 8rem;
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); }
p, li { text-wrap: pretty; max-width: 68ch; }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: color-mix(in oklab, var(--color-primary) 25%, transparent); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

/* ---------- Layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.wrap--wide { max-width: var(--content-wide); }
.wrap--narrow { max-width: var(--content-narrow); }

section { padding-block: clamp(var(--space-16), 9vw, var(--space-24)); }
section + section { border-top: 1px solid var(--color-divider); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

.section-head { max-width: 46rem; margin-bottom: var(--space-10); }
.section-head h2 { font-size: var(--text-2xl); font-weight: 600; letter-spacing: -0.01em; }
.section-head p { color: var(--color-text-muted); font-size: var(--text-lg); margin-top: var(--space-3); max-width: 42rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 4.5rem; }
.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--color-text); }
.brand svg { color: var(--color-primary); flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 600; }
.brand-text span { font-size: var(--text-xs); color: var(--color-text-muted); }

.nav-links { display: flex; align-items: center; gap: var(--space-8); }
.nav-links a {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
}
.nav-links a:hover { color: var(--color-text); text-decoration: none; }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}
.theme-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

.nav-toggle {
  display: none; width: 2.25rem; height: 2.25rem; align-items: center; justify-content: center;
  border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 0.75rem 1.375rem; border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600; white-space: nowrap;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-accent { background: var(--color-accent); color: #211500; }
[data-theme='dark'] .btn-accent { color: #1a1200; }
.btn-accent:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn-outline { border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-lg { padding: 0.9rem 1.75rem; font-size: var(--text-base); }

/* ---------- Hero ---------- */
.hero { padding-block: clamp(var(--space-20), 12vw, var(--space-32)) clamp(var(--space-16), 9vw, var(--space-24)); border-top: none; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: var(--space-16); align-items: center; }
.hero h1 { font-size: var(--text-hero); font-weight: 650; letter-spacing: -0.015em; }
.hero h1 em { font-style: normal; color: var(--color-primary); }
.hero .lede { font-size: var(--text-lg); color: var(--color-text-muted); margin-top: var(--space-6); max-width: 34rem; }
.hero .cta-row { display: flex; gap: var(--space-4); margin-top: var(--space-8); flex-wrap: wrap; }
.hero .fine-print { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-5); max-width: 30rem; }

.hero-visual { position: relative; }
.merge-diagram { width: 100%; height: auto; }
.merge-diagram .path-line { fill: none; stroke-width: 3; stroke-linecap: round; }
.merge-diagram .path-a { stroke: var(--color-d99); }
.merge-diagram .path-b { stroke: var(--color-d86); }
.merge-diagram .path-c { stroke: var(--color-primary); stroke-width: 4; }
.merge-diagram text { font-family: var(--font-body); fill: var(--color-text-muted); font-size: 13px; font-weight: 600; }
.merge-diagram .dest-label { fill: var(--color-text); font-size: 14px; font-weight: 700; }
.merge-diagram circle.node { fill: var(--color-surface); stroke-width: 2.5; }

/* ---------- Stat strip ---------- */
.stat-strip { border-top: 1px solid var(--color-divider); background: var(--color-surface); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); }
.stat { border-left: 2px solid var(--color-primary); padding-left: var(--space-5); }
.stat .value { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 650; color: var(--color-primary); }
.stat .label { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }

/* ---------- Issue section ---------- */
.issue-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: start; }
.issue-copy p { color: var(--color-text-muted); margin-bottom: var(--space-4); font-size: var(--text-base); }
.issue-copy p strong { color: var(--color-text); }
.callout {
  background: var(--color-primary-highlight);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-top: var(--space-6);
  border-left: 3px solid var(--color-primary);
}
.callout p { color: var(--color-text); font-size: var(--text-sm); margin: 0; max-width: none; }
.callout .example-figures { display: flex; gap: var(--space-8); margin-top: var(--space-4); }
.example-figures .fig .n { font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); }
.example-figures .fig .d { font-size: var(--text-xs); color: var(--color-text-muted); }
.example-figures .fig.excluded .n { color: var(--color-d86); }
.example-figures .fig.assigned .n { color: var(--color-d99); }

.map-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.map-card img { width: 100%; }
.map-card figcaption { padding: var(--space-4) var(--space-5); font-size: var(--text-xs); color: var(--color-text-muted); background: var(--color-surface-2); }

.anecdote {
  margin-top: var(--space-6);
  padding: var(--space-5) var(--space-6);
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-highlight);
  border-radius: var(--radius-md);
}
.anecdote p { font-size: var(--text-sm); font-style: italic; color: var(--color-text); margin: 0; max-width: none; }
.anecdote cite { display: block; margin-top: var(--space-2); font-size: var(--text-xs); font-style: normal; color: var(--color-text-muted); }

/* ---------- Comparison table ---------- */
.compare-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-sm); }
table.compare { min-width: 640px; font-size: var(--text-sm); }
table.compare caption { text-align: left; padding: var(--space-5) var(--space-6) 0; font-size: var(--text-xs); color: var(--color-text-faint); }
table.compare th, table.compare td { padding: var(--space-4) var(--space-6); text-align: left; border-bottom: 1px solid var(--color-divider); }
table.compare thead th { font-family: var(--font-display); font-weight: 600; color: var(--color-text); background: var(--color-surface-2); position: sticky; top: 0; }
table.compare thead th.school-d86 { color: var(--color-d86); }
table.compare thead th.school-d99 { color: var(--color-d99); }
table.compare tbody th { color: var(--color-text-muted); font-weight: 500; font-family: var(--font-body); white-space: nowrap; }
table.compare tbody tr:last-child td, table.compare tbody tr:last-child th { border-bottom: none; }
table.compare td.hi { font-weight: 700; color: var(--color-text); }
.compare-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); }

/* ---------- History timeline ---------- */
.timeline { position: relative; margin-top: var(--space-2); padding-left: var(--space-8); border-left: 2px solid var(--color-border); }
.timeline-item { position: relative; padding-bottom: var(--space-10); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ''; position: absolute; left: calc(-1 * var(--space-8) - 6px); top: 0.35rem;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-accent); border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-border);
}
.tl-year {
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm);
  color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.03em;
  margin-bottom: var(--space-2);
}
.tl-body h3 { font-size: var(--text-lg); font-weight: 650; margin-bottom: var(--space-2); }
.tl-body p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 46rem; margin: 0; }

/* ---------- Safety strip ---------- */
.safety-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.safety-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); }
.safety-card .icon { color: var(--color-primary); margin-bottom: var(--space-4); }
.safety-card h3 { font-size: var(--text-base); font-weight: 650; margin-bottom: var(--space-2); }
.safety-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin: 0; }

/* ---------- Roles / get involved ---------- */
.roles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-bottom: var(--space-10); }
.role-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-6);
}
.role-card .num { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; color: var(--color-accent); }
.role-card h3 { font-size: var(--text-base); font-weight: 650; margin-top: var(--space-2); margin-bottom: var(--space-2); }
.role-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin: 0; }

.involve-cta {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-10);
  background: var(--color-primary); color: var(--color-text-inverse);
  border-radius: var(--radius-lg); padding: var(--space-10);
  align-items: center;
}
[data-theme='dark'] .involve-cta { background: var(--color-surface-offset); color: var(--color-text); border: 1px solid var(--color-border); }
.involve-cta h3 { font-size: var(--text-xl); font-weight: 650; }
.involve-cta p { color: color-mix(in oklab, var(--color-text-inverse) 78%, transparent); margin-top: var(--space-3); font-size: var(--text-sm); }
[data-theme='dark'] .involve-cta p { color: var(--color-text-muted); }
.involve-cta .btn-accent { align-self: start; }
.involve-contact { font-size: var(--text-sm); }
.involve-contact dt { color: color-mix(in oklab, var(--color-text-inverse) 65%, transparent); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; margin-top: var(--space-3); }
[data-theme='dark'] .involve-contact dt { color: var(--color-text-faint); }
.involve-contact dd { font-weight: 600; }
.involve-contact a { color: var(--color-text-inverse); text-decoration: underline; text-decoration-color: color-mix(in oklab, var(--color-text-inverse) 40%, transparent); }
[data-theme='dark'] .involve-contact a { color: var(--color-text); }

.committee-note {
  margin-top: var(--space-8); padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-md); background: var(--color-surface-2);
  border: 1px solid var(--color-border); font-size: var(--text-sm); color: var(--color-text-muted);
}
.committee-note strong { color: var(--color-text); }

/* ---------- Survey ---------- */
.survey-panel {
  display: grid; grid-template-columns: 1fr 0.9fr; gap: var(--space-12);
  align-items: start;
}
.survey-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-md);
}
.survey-q { margin-bottom: var(--space-6); }
.survey-q:last-child { margin-bottom: 0; }
.survey-q .qnum { font-size: var(--text-xs); color: var(--color-accent); font-weight: 700; letter-spacing: 0.04em; }
.survey-q p, .survey-q > label { display: block; font-weight: 600; margin-top: var(--space-1); margin-bottom: var(--space-2); font-size: var(--text-sm); color: var(--color-text); }
.survey-q ul { display: flex; flex-direction: column; gap: var(--space-1); margin-bottom: var(--space-3); }
.survey-q li { font-size: var(--text-sm); color: var(--color-text-muted); display: flex; align-items: baseline; gap: var(--space-2); }
.survey-q li::before { content: '□'; color: var(--color-text-faint); font-size: 0.85em; }

.survey-side .btn { width: 100%; margin-bottom: var(--space-4); }
.survey-side p { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Forms (volunteer + survey submission) ---------- */
.hp-field { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.site-form { margin-top: var(--space-6); }
.form-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.form-row { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.form-grid .form-row { margin-bottom: 0; }
.form-row:last-of-type { margin-bottom: 0; }
.form-row label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: color-mix(in oklab, var(--color-text-inverse) 72%, transparent); }
[data-theme='dark'] .involve-cta .form-row label { color: var(--color-text-muted); }

.survey-q .form-row-group, .survey-q .checkbox-group { margin-top: var(--space-1); }

input[type='text'], input[type='email'], select, textarea {
  width: 100%; padding: 0.65rem 0.9rem; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); font-size: var(--text-sm);
}
.involve-cta input[type='text'], .involve-cta input[type='email'], .involve-cta select, .involve-cta textarea {
  border: 1px solid color-mix(in oklab, var(--color-text-inverse) 30%, transparent);
  background: color-mix(in oklab, var(--color-text-inverse) 10%, transparent);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .involve-cta input[type='text'], [data-theme='dark'] .involve-cta input[type='email'], [data-theme='dark'] .involve-cta select, [data-theme='dark'] .involve-cta textarea {
  color: var(--color-text);
}
.involve-cta input::placeholder, .involve-cta textarea::placeholder { color: color-mix(in oklab, var(--color-text-inverse) 55%, transparent); }
input[type='text']:focus, input[type='email']:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-primary); outline-offset: 1px;
}
textarea { resize: vertical; min-height: 4.5rem; }

/* Native option list always readable, regardless of the closed select's own color */
select option { color: #171614; background-color: #ffffff; }

.survey-q input[type='text'], .survey-q input[type='email'], .survey-q select { margin-top: var(--space-1); }

.form-row-group { display: flex; flex-direction: column; gap: var(--space-2); }

.checkbox-group { display: flex; flex-direction: column; gap: var(--space-2); }
.checkbox-option { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 400; text-transform: none; letter-spacing: normal; }
.checkbox-option input[type='checkbox'] { width: 1.05rem; height: 1.05rem; accent-color: var(--color-primary); }

button[disabled] { opacity: 0.65; cursor: default; }

.form-status { min-height: 1.2em; margin-top: var(--space-2); font-size: var(--text-sm); }
.form-status--ok { color: var(--color-success); }
[data-theme='dark'] .form-status--ok { color: var(--color-success); }
.involve-cta .form-status--ok { color: var(--color-text-inverse); font-weight: 600; }
.form-status--error { color: var(--color-warning); }
.form-status--error a { color: inherit; text-decoration: underline; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--color-divider); }
.faq-item:first-child { border-top: 1px solid var(--color-divider); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) 0; text-align: left; font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 600; color: var(--color-text);
}
.faq-q .plus { font-size: var(--text-lg); color: var(--color-text-faint); transition: transform var(--transition-interactive); flex-shrink: 0; margin-left: var(--space-4); }
.faq-item[data-open="true"] .plus { transform: rotate(45deg); color: var(--color-primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 320ms ease; }
.faq-a-inner { padding-bottom: var(--space-5); color: var(--color-text-muted); font-size: var(--text-sm); max-width: 62ch; }
.faq-a-inner a { font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer { padding-block: var(--space-16) var(--space-10); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--space-10); margin-bottom: var(--space-10); }
.footer-brand .brand { margin-bottom: var(--space-4); }
.footer-brand p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 32rem; }
.footer-col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a, .footer-col span { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-primary); }
.footer-sources { font-size: var(--text-xs); color: var(--color-text-faint); border-top: 1px solid var(--color-divider); padding-top: var(--space-6); }
.footer-sources summary { cursor: pointer; font-weight: 600; color: var(--color-text-muted); }
.footer-sources ol { margin-top: var(--space-4); padding-left: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.footer-legal { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-8); font-size: var(--text-xs); color: var(--color-text-faint); flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 640ms cubic-bezier(0.16,1,0.3,1), transform 640ms cubic-bezier(0.16,1,0.3,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .issue-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .safety-grid { grid-template-columns: 1fr; }
  .roles-grid { grid-template-columns: repeat(2, 1fr); }
  .involve-cta { grid-template-columns: 1fr; }
  .survey-panel { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero .wrap { grid-template-columns: 1fr; gap: var(--space-10); }
  .hero-visual { order: -1; max-width: 20rem; margin-inline: auto; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .roles-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  section { padding-block: var(--space-12); }
  .hero { padding-block: var(--space-16) var(--space-10); }
}

.mobile-panel {
  display: none; flex-direction: column; gap: var(--space-1);
  padding: var(--space-4) var(--space-6) var(--space-6);
  border-bottom: 1px solid var(--color-divider); background: var(--color-bg);
}
.mobile-panel.is-open { display: flex; }
.mobile-panel a { padding: var(--space-3) 0; font-size: var(--text-base); font-weight: 500; color: var(--color-text); border-bottom: 1px solid var(--color-divider); }
.mobile-panel a:last-child { border-bottom: none; }