/* ==========================================================================
   Entropy Energy Network — Design System (Brand v3, 2026-08)
   Palette: Deep Grid Teal (civic primary) + Warm Paper surfaces
            + Recovered Copper (thermal diagrams only). New England civic tone.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces — Warm Paper */
  --color-bg: #f4f1ea;
  --color-surface: #fbf9f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ede8dc;
  --color-surface-offset-2: #e5dfd0;
  --color-divider: #dcd6c7;
  --color-border: #cfc8b7;

  /* Text — deep carbon-teal */
  --color-text: #1a2326;
  --color-text-muted: #566063;
  --color-text-faint: #94978c;
  --color-text-inverse: #f4f1ea;

  /* Primary — Deep Grid Teal */
  --color-primary: #0b3d4a;
  --color-primary-hover: #082e38;
  --color-primary-active: #062229;
  --color-primary-highlight: #c9dee2;
  --color-primary-soft: #e3ecee;

  /* Recovered Copper — thermal diagrams only */
  --color-amber: #c4783a;
  --color-amber-hover: #a8612d;
  --color-amber-soft: #f3e4d0;

  /* Status (data viz / callouts only) */
  --color-success: #437a22;
  --color-warning: #964219;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 190 / 0.07);
  --shadow-md: 0 6px 20px oklch(0.2 0.02 190 / 0.10);
  --shadow-lg: 0 18px 48px oklch(0.2 0.02 190 / 0.15);

  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1280px;

  --font-display: 'Zodiak', Georgia, serif;
  --font-body: 'General Sans', 'Inter', system-ui, sans-serif;

  /* Type scale */
  --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, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2.1rem, 1.4rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.6rem, 1.4rem + 4vw, 4.75rem);

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

[data-theme='dark'] {
  /* Surfaces — Carbon */
  --color-bg: #0c1114;
  --color-surface: #12181b;
  --color-surface-2: #161d21;
  --color-surface-offset: #141b1f;
  --color-surface-offset-2: #1b2327;
  --color-divider: #1f282c;
  --color-border: #283338;

  /* Text — warm paper tint */
  --color-text: #e6e3dc;
  --color-text-muted: #9aa099;
  --color-text-faint: #5e655e;
  --color-text-inverse: #0c1114;

  /* Primary — Deep Grid Teal, lifted for contrast on Carbon */
  --color-primary: #4fb39b;
  --color-primary-hover: #6cc4af;
  --color-primary-active: #84d0bd;
  --color-primary-highlight: #1e2f29;
  --color-primary-soft: #16201c;

  --color-amber: #e3984a;
  --color-amber-hover: #efad66;
  --color-amber-soft: #2a2117;

  --color-success: #6daa45;
  --color-warning: #bb653b;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0c1114;
    --color-surface: #12181b;
    --color-surface-2: #161d21;
    --color-surface-offset: #141b1f;
    --color-surface-offset-2: #1b2327;
    --color-divider: #1f282c;
    --color-border: #283338;
    --color-text: #e6e3dc;
    --color-text-muted: #9aa099;
    --color-text-faint: #5e655e;
    --color-text-inverse: #0c1114;
    --color-primary: #4fb39b;
    --color-primary-hover: #6cc4af;
    --color-primary-active: #84d0bd;
    --color-primary-highlight: #1e2f29;
    --color-primary-soft: #16201c;
    --color-amber: #e3984a;
    --color-amber-hover: #efad66;
    --color-amber-soft: #2a2117;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 18px 48px oklch(0 0 0 / 0.5);
  }
}

/* ========================= 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;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.4s ease, color 0.4s ease;
}

img,
picture,
video,
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 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p,
li {
  text-wrap: pretty;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: oklch(from var(--color-primary) l c h / 0.22);
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

a,
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);
}

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

.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;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: top var(--transition-interactive);
}
.skip-link:focus {
  top: 0.75rem;
}

/* ========================= Layout primitives ========================= */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.wrap--default {
  max-width: var(--content-default);
}
.wrap--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: '';
  width: 1.75rem;
  height: 1px;
  background: var(--color-primary);
  opacity: 0.6;
}

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 60ch;
}

/* ========================= Header ========================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--color-primary);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  height: 5rem;
}
.header__right {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  font-weight: 600;
}
/* Official v3 mark icon (light: teal / dark: cream) + CSS wordmark.
   Mark and wordmark share one ink per theme to match the brand lockup. */
.brand__mark {
  position: relative;
  flex-shrink: 0;
  width: 2.7rem;
  height: 2.7rem;
  display: block;
}
.brand__mark-img {
  width: 2.7rem;
  height: 2.7rem;
  display: block;
}
.brand__mark-img--dark {
  display: none;
}
[data-theme='dark'] .brand__mark-img--light {
  display: none;
}
[data-theme='dark'] .brand__mark-img--dark {
  display: block;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .brand__mark-img--light {
    display: none;
  }
  :root:not([data-theme]) .brand__mark-img--dark {
    display: block;
  }
}
.brand__word {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand__word-top {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.brand__word-bottom {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  margin-top: 0.14rem;
}
[data-theme='dark'] .brand__word-top {
  color: var(--color-text);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .brand__word-top {
    color: var(--color-text);
  }
}
.footer .brand__mark,
.footer .brand__mark-img {
  width: 2.2rem;
  height: 2.2rem;
}
.footer .brand__word-top {
  font-size: 1rem;
}
.footer .brand__word-bottom {
  font-size: 0.7rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav a {
  padding: 0.45rem 0.7rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
}
.nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.nav a.is-active {
  color: var(--color-primary);
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
[data-theme='dark'] .btn--primary {
  color: #07120f;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--lg {
  padding: 0.95rem 1.7rem;
  font-size: var(--text-base);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  color: var(--color-text);
}

/* ========================= Hero ========================= */
.hero {
  position: relative;
  overflow: hidden;
}
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    oklch(from var(--color-bg) l c h / 0.97) 0%,
    oklch(from var(--color-bg) l c h / 0.86) 38%,
    oklch(from var(--color-bg) l c h / 0.4) 72%,
    oklch(from var(--color-bg) l c h / 0.15) 100%
  );
}
.hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(5rem, 12vw, 9rem);
  max-width: 46rem;
}
.hero h1 {
  font-size: var(--text-3xl);
  margin-top: var(--space-5);
  margin-bottom: var(--space-6);
}
.hero h1 .accent {
  color: var(--color-primary);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ========================= Generic page hero ========================= */
.page-hero {
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.page-hero h1 {
  font-size: var(--text-2xl);
  margin-block: var(--space-4) var(--space-5);
  max-width: 18ch;
}
.page-hero .lead {
  max-width: 64ch;
}

/* ========================= Cards & grids ========================= */
.grid {
  display: grid;
  gap: var(--space-6);
}
.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.card--pad {
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.icon-badge {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* Audience cards (home) */
.audience-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.audience-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.audience-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.audience-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  flex: 1;
}
.audience-card__link {
  margin-top: var(--space-5);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.audience-card:hover .audience-card__link {
  gap: 0.7rem;
}

/* ========================= Split sections ========================= */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.split--reverse .split__media {
  order: -1;
}
.split__media img {
  border-radius: var(--radius-lg);
  width: 100%;
  box-shadow: var(--shadow-md);
}
.split h2 {
  font-size: var(--text-xl);
  margin-block: var(--space-4) var(--space-5);
}
.split p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ========================= Steps / process ========================= */
.steps {
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.step__num {
  counter-increment: step;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
  min-width: 2.5rem;
}
.step__num::before {
  content: counter(step, decimal-leading-zero);
}
.step h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ========================= Stat strip ========================= */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.stat {
  text-align: left;
}
.stat__value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
}
.stat__label {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ========================= Section heading block ========================= */
.section-head {
  max-width: 56ch;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head h2 {
  font-size: var(--text-xl);
  margin-block: var(--space-4) var(--space-4);
}
.section-head p {
  color: var(--color-text-muted);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.section-head--center .eyebrow {
  justify-content: center;
}

/* surfaces */
.bg-surface {
  background: var(--color-surface);
}
.bg-primary {
  background: var(--color-primary);
  color: #fff;
}
[data-theme='dark'] .bg-primary {
  color: #07120f;
}

/* ========================= Prose (FAQ / content) ========================= */
.prose h2 {
  font-size: var(--text-xl);
  margin-block: var(--space-10) var(--space-4);
}
.prose h3 {
  font-size: var(--text-lg);
  margin-block: var(--space-6) var(--space-3);
}
.prose p,
.prose li {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 68ch;
}
.prose ul {
  padding-left: 1.25rem;
  margin-bottom: var(--space-4);
}
.prose li {
  margin-bottom: var(--space-2);
}

/* FAQ accordion */
.faq {
  border-top: 1px solid var(--color-divider);
}
.faq__item {
  border-bottom: 1px solid var(--color-divider);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  text-align: left;
  padding: var(--space-5) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.faq__q:hover {
  color: var(--color-primary);
}
.faq__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
}
.faq__item.open .faq__icon {
  transform: rotate(45deg);
}
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq__item.open .faq__a {
  grid-template-rows: 1fr;
}
.faq__a > div {
  overflow: hidden;
}
.faq__a p {
  color: var(--color-text-muted);
  padding-bottom: var(--space-5);
  max-width: 70ch;
}

/* ========================= Callout ========================= */
.callout {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-5) var(--space-6);
}
.callout p {
  margin: 0;
  color: var(--color-text);
}
.callout strong {
  color: var(--color-primary);
}

/* ========================= CTA band ========================= */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}
[data-theme='dark'] .cta-band {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.cta-band h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  color: inherit;
}
.cta-band p {
  color: oklch(from #fff l c h / 0.85);
  max-width: 52ch;
  margin: 0 auto var(--space-8);
}
[data-theme='dark'] .cta-band p {
  color: var(--color-text-muted);
}
.cta-band .btn--primary {
  background: #fff;
  color: var(--color-primary);
}
[data-theme='dark'] .cta-band .btn--primary {
  background: var(--color-primary);
  color: #07120f;
}
.cta-band .btn--ghost {
  border-color: oklch(from #fff l c h / 0.4);
  color: #fff;
}
[data-theme='dark'] .cta-band .btn--ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}

/* ========================= Footer ========================= */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.footer__about {
  max-width: 34ch;
}
.footer__about p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}
.footer h4 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
  font-weight: 600;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__links a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer__links a:hover {
  color: var(--color-primary);
}
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__bottom a {
  color: var(--color-text-muted);
}

/* disclaimer note */
.note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ========================= Responsive ========================= */
@media (max-width: 920px) {
  .grid--3,
  .grid--4,
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .split {
    grid-template-columns: 1fr;
  }
  .split--reverse .split__media {
    order: 0;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .header__right {
    gap: var(--space-3);
  }
  .nav,
  .header__actions .btn {
    display: none;
  }
  .nav-toggle {
    display: grid;
  }
  .nav--open {
    display: flex;
    position: fixed;
    inset: 5rem 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
  }
  .nav--open a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }
  .grid--3,
  .grid--4,
  .grid--2,
  .stats {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero__inner {
    max-width: 100%;
  }
}