/* ========================================================================
   Stepping Stone Initiative — Design Tokens
   Warm, grounded palette: terracotta clay + sage growth + ivory surfaces.
   Inferred from subject: housing, dignity, home, second chances.
   ======================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #faf5ee;
  --color-surface: #f3ece1;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ede3d3;
  --color-border: #ddcbaf;

  /* Text */
  --color-text: #2b2018;
  --color-text-muted: #6b5b48;
  --color-text-faint: #a8977e;
  --color-text-inverse: #faf5ee;

  /* Primary accent — Clay Terracotta */
  --color-primary: #b5502b;
  --color-primary-hover: #8c3d1f;
  --color-primary-highlight: #ecd7c9;

  /* Secondary accent — Sage Growth (used sparingly: positive stats) */
  --color-success: #4f7a3d;
  --color-success-highlight: #dde5d3;

  /* Semantic */
  --color-warning: #96631b;
  --color-error: #9b3b3b;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

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

  /* Shadows — warm-tinted */
  --shadow-sm: 0 1px 2px oklch(0.25 0.03 40 / 0.08);
  --shadow-md: 0 4px 14px oklch(0.25 0.03 40 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.25 0.03 40 / 0.16);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Erode', 'Georgia', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #1c1611;
  --color-surface: #241b15;
  --color-surface-2: #2b2118;
  --color-surface-offset: #322619;
  --color-border: #4a3b2c;

  --color-text: #ede3d3;
  --color-text-muted: #b8a891;
  --color-text-faint: #7c6c56;
  --color-text-inverse: #241b15;

  --color-primary: #e08252;
  --color-primary-hover: #eda377;
  --color-primary-highlight: #3b2c22;

  --color-success: #8fb36c;
  --color-success-highlight: #33392a;

  --color-warning: #d2a24c;
  --color-error: #d98080;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.45);
}

/* ---- Type scale (fluid clamp, per design-tokens.md) ---- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.75rem);

  --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;
}

/* ======================================================================
   Layout primitives
   ====================================================================== */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
}
.container--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.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);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
}

h2.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-3);
  max-width: 22ch;
}

.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 42ch;
  margin-top: var(--space-4);
  line-height: 1.5;
}

.prose p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 62ch;
  line-height: 1.65;
}
.prose p strong {
  color: var(--color-text);
  font-weight: 600;
}
.prose a,
.footnote a,
.source-list a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--color-primary) l c h / 0.4);
  text-underline-offset: 2px;
}
.prose a:hover,
.footnote a:hover,
.source-list a:hover {
  color: var(--color-primary-hover);
}

/* ======================================================================
   Header
   ====================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.brand:hover {
  color: var(--color-primary);
}
.brand svg {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links {
  display: none;
  gap: var(--space-5);
  font-size: var(--text-sm);
}
.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-1) 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}
@media (min-width: 900px) {
  .nav-links {
    display: flex;
  }
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  min-height: 44px;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
[data-theme='dark'] .btn-primary {
  color: #1c1611;
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid oklch(from var(--color-text) l c h / 0.18);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
  border-color: oklch(from var(--color-text) l c h / 0.3);
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: 36px;
}

/* ======================================================================
   Hero
   ====================================================================== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-block: var(--space-16) var(--space-20);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    oklch(0.15 0.02 40 / 0.35) 0%,
    oklch(0.15 0.02 40 / 0.35) 30%,
    oklch(0.12 0.02 40 / 0.82) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #faf5ee;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
  width: 100%;
}
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #e8c8a8;
}
.hero h1 {
  font-size: var(--text-3xl);
  font-weight: 500;
  margin-top: var(--space-4);
  max-width: 18ch;
  color: #fdfaf5;
}
.hero-sub {
  font-size: var(--text-lg);
  color: #ede1d1;
  max-width: 46ch;
  margin-top: var(--space-5);
  line-height: 1.5;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.hero .btn-secondary {
  color: #fdfaf5;
  border-color: oklch(1 0 0 / 0.35);
}
.hero .btn-secondary:hover {
  background: oklch(1 0 0 / 0.1);
  border-color: oklch(1 0 0 / 0.5);
}

/* ======================================================================
   Stat / KPI cards
   ====================================================================== */
.stat-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-12);
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums lining-nums;
}
.stat-value .delta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-error);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-top: var(--space-2);
  font-weight: 500;
}
.stat-source {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.stat-source a {
  color: var(--color-text-muted);
}

/* ======================================================================
   Need section
   ====================================================================== */
.section-need {
  background: var(--color-surface);
}

/* ======================================================================
   Model — numbered editorial flow
   ====================================================================== */
.model-intro {
  display: grid;
  gap: var(--space-10);
  align-items: start;
}
@media (min-width: 900px) {
  .model-intro {
    grid-template-columns: 0.85fr 1fr;
    gap: var(--space-16);
  }
}
.model-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-10);
}
.model-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
  align-items: baseline;
}
.model-step:first-child {
  border-top: none;
  padding-top: 0;
}
.model-step-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary-highlight);
  -webkit-text-stroke: 1.5px var(--color-primary);
  color: transparent;
  line-height: 1;
}
[data-theme='dark'] .model-step-num {
  -webkit-text-stroke: 1.5px var(--color-primary);
}
.model-step-body h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}
.model-step-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  max-width: 56ch;
  line-height: 1.6;
}

.divider-image {
  position: relative;
  margin-block: 0;
  height: clamp(280px, 42vw, 520px);
  overflow: hidden;
}
.divider-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.divider-caption {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-5);
  right: var(--space-5);
  color: #fdfaf5;
  font-size: var(--text-sm);
  max-width: 44ch;
  text-shadow: 0 1px 8px oklch(0.1 0.02 40 / 0.6);
}

/* ======================================================================
   Why It Works
   ====================================================================== */
.impact-layout {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 900px) {
  .impact-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-16);
  }
}
.impact-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.impact-image img {
  aspect-ratio: 4/3;
  object-fit: cover;
}
.quote-block {
  border-left: none;
  padding: 0;
}
.quote-block blockquote {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.45;
  max-width: 40ch;
}
.quote-block cite {
  display: block;
  font-style: normal;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}
.impact-facts {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-10);
}
.impact-fact {
  display: flex;
  gap: var(--space-4);
  align-items: baseline;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
}
.impact-fact:first-child {
  border-top: none;
  padding-top: 0;
}
.impact-fact-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-success);
  flex-shrink: 0;
  min-width: 4.5ch;
}
.impact-fact-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ======================================================================
   Financial snapshot — surplus comparison bars
   ====================================================================== */
.section-financials {
  background: var(--color-surface);
}
.fin-layout {
  display: grid;
  gap: var(--space-16);
  margin-top: var(--space-12);
}
@media (min-width: 900px) {
  .fin-layout {
    grid-template-columns: 1fr 1fr;
  }
}
.fin-card {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.fin-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
}
.fin-card .fin-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-2);
  font-variant-numeric: tabular-nums lining-nums;
}
.fin-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.bar-compare {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.bar-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.bar-row-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.bar-row-label strong {
  font-variant-numeric: tabular-nums lining-nums;
  color: var(--color-success);
}
.bar-track {
  height: 10px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.bar-fill--success {
  background: var(--color-success);
}

/* ======================================================================
   The Ask
   ====================================================================== */
.section-ask {
  background: var(--color-text);
  color: var(--color-bg);
  position: relative;
}
[data-theme='dark'] .section-ask {
  background: var(--color-surface-2);
}
.section-ask .eyebrow {
  color: #e8c8a8;
}
.section-ask h2.section-title {
  color: #fdfaf5;
}
[data-theme='dark'] .section-ask h2.section-title {
  color: var(--color-text);
}
.section-ask .section-lede {
  color: oklch(from var(--color-bg) l c h / 0.72);
}
[data-theme='dark'] .section-ask .section-lede {
  color: var(--color-text-muted);
}

.ask-grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-12);
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
}
.ask-card {
  background: oklch(1 0 0 / 0.06);
  border: 1px solid oklch(1 0 0 / 0.14);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
[data-theme='dark'] .ask-card {
  background: var(--color-surface);
  border-color: var(--color-border);
}
.ask-card .ask-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: #f3c8a0;
}
[data-theme='dark'] .ask-card .ask-value {
  color: var(--color-primary);
}
.ask-card p {
  font-size: var(--text-sm);
  color: oklch(from var(--color-bg) l c h / 0.68);
  margin-top: var(--space-2);
  max-width: none;
}
[data-theme='dark'] .ask-card p {
  color: var(--color-text-muted);
}
.ask-card.ask-card--featured {
  background: var(--color-primary);
  border-color: transparent;
}
.ask-card.ask-card--featured .ask-value,
.ask-card.ask-card--featured h4 {
  color: #fdfaf5;
}
.ask-card.ask-card--featured p {
  color: oklch(1 0 0 / 0.85);
}
.ask-card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: oklch(from var(--color-bg) l c h / 0.55);
}
[data-theme='dark'] .ask-card h4 {
  color: var(--color-text-faint);
}

.ask-cta {
  margin-top: var(--space-10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
.section-ask .btn-primary {
  background: #f3c8a0;
  color: #241b15;
}
.section-ask .btn-primary:hover {
  background: #fdfaf5;
}
[data-theme='dark'] .section-ask .btn-primary {
  background: var(--color-primary);
  color: #1c1611;
}
.ask-note {
  font-size: var(--text-xs);
  color: oklch(from var(--color-bg) l c h / 0.55);
}
[data-theme='dark'] .ask-note {
  color: var(--color-text-faint);
}

/* ======================================================================
   Get Involved
   ====================================================================== */
.involved-grid {
  display: grid;
  gap: var(--space-10);
  margin-top: var(--space-10);
}
@media (min-width: 800px) {
  .involved-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.involved-col h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}
.involved-list {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.involved-item {
  display: flex;
  gap: var(--space-3);
  align-items: baseline;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}
.involved-item:first-child {
  border-top: none;
  padding-top: 0;
}
.involved-item span.mark {
  color: var(--color-primary);
  font-weight: 600;
}
.involved-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}
.involved-item strong {
  color: var(--color-text);
}

/* ======================================================================
   Footer
   ====================================================================== */
.footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--space-16) var(--space-10);
}
.footer-top {
  display: grid;
  gap: var(--space-10);
}
@media (min-width: 800px) {
  .footer-top {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}
.footer-brand .brand {
  color: var(--color-text);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  max-width: 32ch;
}
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--color-primary);
}
.footer-sources {
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer-sources h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}
.source-list {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2) var(--space-8);
  grid-template-columns: 1fr;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
@media (min-width: 700px) {
  .source-list {
    grid-template-columns: 1fr 1fr;
  }
}
.footer-bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ======================================================================
   Scroll reveal (motion) — respects reduced-motion via base.css
   ====================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fdfaf5;
  padding: var(--space-2) var(--space-4);
  z-index: 100;
  border-radius: var(--radius-sm);
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}