/* ============================================================
   The Property Plug™ — design system
   ============================================================ */

:root {
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.3rem + 3.6vw, 4.5rem);

  --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;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.625rem;
  --radius-full: 9999px;

  --content-narrow: 660px;
  --content-default: 1000px;
  --content-wide: 1240px;

  --space-14: 3.5rem;
  --header-h: 88px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Switzer', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

:root,
[data-theme='light'] {
  --color-bg: #f5f2ec;
  --color-surface: #fbf9f5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ece7dd;
  --color-divider: #e3ddd2;
  --color-border: #d8d0c2;
  --color-text: #191713;
  --color-text-muted: #6b6456;
  --color-text-faint: #a39a89;
  --color-text-inverse: #f7f4ee;
  --color-primary: #8a5a1e;
  --color-primary-hover: #6d4615;
  --color-primary-soft: #eee3d1;
  --color-success: #37633f;
  --color-success-soft: #dee8dd;
  --color-ink: #16150f;
  --shadow-sm: 0 1px 2px rgba(30, 25, 15, 0.06);
  --shadow-md: 0 6px 20px rgba(30, 25, 15, 0.08);
  --shadow-lg: 0 18px 44px rgba(30, 25, 15, 0.12);
  --on-primary: #ffffff;
  --ink-rgb: 12 11 9;
  --on-ink: #f2ede3;
  --on-ink-strong: #f7f2e8;
  --on-ink-muted: #cdc5b6;
  --on-ink-faint: #b8b0a1;
  --on-ink-accent: #d6a24c;
  --on-ink-rgb: 247 242 232;
}

[data-theme='dark'] {
  --color-bg: #121110;
  --color-surface: #191817;
  --color-surface-2: #1f1e1c;
  --color-surface-offset: #232120;
  --color-divider: #262422;
  --color-border: #37332e;
  --color-text: #eae6de;
  --color-text-muted: #948c7e;
  --color-text-faint: #645d52;
  --color-text-inverse: #16150f;
  --color-primary: #d6a24c;
  --color-primary-hover: #e5b768;
  --color-primary-soft: #2b2519;
  --color-success: #85b590;
  --color-success-soft: #1e2820;
  --color-ink: #0d0c0b;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.55);
  --on-primary: #16150f;
  --ink-rgb: 12 11 9;
  --on-ink: #f2ede3;
  --on-ink-strong: #f7f2e8;
  --on-ink-muted: #cdc5b6;
  --on-ink-faint: #b8b0a1;
  --on-ink-accent: #d6a24c;
  --on-ink-rgb: 247 242 232;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #121110;
    --color-surface: #191817;
    --color-surface-2: #1f1e1c;
    --color-surface-offset: #232120;
    --color-divider: #262422;
    --color-border: #37332e;
    --color-text: #eae6de;
    --color-text-muted: #948c7e;
    --color-text-faint: #645d52;
    --color-text-inverse: #16150f;
    --color-primary: #d6a24c;
    --color-primary-hover: #e5b768;
    --color-primary-soft: #2b2519;
    --color-success: #85b590;
    --color-success-soft: #1e2820;
    --on-primary: #16150f;
    --ink-rgb: 12 11 9;
    --on-ink: #f2ede3;
    --on-ink-strong: #f7f2e8;
    --on-ink-muted: #cdc5b6;
    --on-ink-faint: #b8b0a1;
    --on-ink-accent: #d6a24c;
    --on-ink-rgb: 247 242 232;
  }
}

/* ---------- base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
img,
picture,
svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--on-primary);
  padding: var(--space-3) var(--space-4);
  z-index: 200;
}
.skip:focus {
  left: var(--space-4);
  top: var(--space-4);
}

h1,
h2,
h3,
h4 {
  line-height: 1.1;
  font-weight: 400;
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.015em;
}
.h-hero {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.h-page {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.h-sect {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.12;
}
.h-sub {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.eyebrow {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-primary);
}
.muted {
  color: var(--color-text-muted);
}
.faint {
  color: var(--color-text-faint);
}
.num {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
  letter-spacing: -0.02em;
}

/* ---------- layout ---------- */
.wrap {
  width: min(100% - 2.5rem, var(--content-wide));
  margin-inline: auto;
}
.wrap-md {
  width: min(100% - 2.5rem, var(--content-default));
  margin-inline: auto;
}
.wrap-sm {
  width: min(100% - 2.5rem, var(--content-narrow));
  margin-inline: auto;
}
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section-tight {
  padding-block: clamp(var(--space-12), 5vw, var(--space-20));
}
.rule {
  height: 1px;
  background: var(--color-divider);
  border: 0;
}
.prose > * + * {
  margin-top: var(--space-5);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-top: var(--space-12);
}
.prose h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-8);
}
.prose ul,
.prose ol {
  padding-left: 1.25rem;
}
.prose li + li {
  margin-top: var(--space-2);
}
.prose a {
  color: var(--color-primary);
  text-underline-offset: 3px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 88px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.brand-mark-img {
  display: block;
  height: 48px;
  width: auto;
  aspect-ratio: 732 / 817;
  background: url('../img/brand/logo-mark-light.webp') center / contain no-repeat;
}
[data-theme='dark'] .brand-mark-img {
  background-image: url('../img/brand/logo-mark-dark.webp');
}
@supports ((-webkit-mask-image: url('../img/brand/logo-mark-light.webp')) or
           (mask-image: url('../img/brand/logo-mark-light.webp'))) {
  .brand-mark-img,
  [data-theme='dark'] .brand-mark-img {
    background: var(--color-primary);
    -webkit-mask: url('../img/brand/logo-mark-light.webp') center / contain no-repeat;
    mask: url('../img/brand/logo-mark-light.webp') center / contain no-repeat;
  }
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-name sup {
  font-size: 0.5em;
  vertical-align: super;
}
.nav-links {
  display: flex;
  gap: var(--space-5);
  margin-left: auto;
  align-items: center;
  list-style: none;
  padding: 0;
}
.nav-links a {
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--color-text);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.icon-btn {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: var(--transition-interactive);
  flex-shrink: 0;
}
.icon-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-faint);
}
.nav-toggle {
  display: none;
}

@media (max-width: 1000px) {
  .nav-links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) var(--space-5) var(--space-6);
    margin: 0;
    transform: translateY(-120%);
    transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-links li {
    width: 100%;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-links li:last-child {
    border-bottom: 0;
    padding-top: var(--space-4);
  }
  .nav-links a {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-base);
  }
  .nav-toggle {
    display: grid;
  }
  .nav-actions {
    margin-left: auto;
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.7rem 1.35rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-interactive);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--on-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--color-text-faint);
  background: var(--color-surface);
}
.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: var(--text-base);
}
.btn-block {
  width: 100%;
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}
.link-arrow::after {
  content: '→';
  transition: transform var(--transition-interactive);
}
.link-arrow:hover::after {
  transform: translateX(3px);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  background: var(--color-ink);
  color: var(--on-ink);
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  z-index: -2;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    100deg,
    rgb(var(--ink-rgb) / 0.94) 0%,
    rgb(var(--ink-rgb) / 0.82) 42%,
    rgb(var(--ink-rgb) / 0.35) 100%
  );
}
.hero-inner {
  padding-block: clamp(var(--space-20), 13vw, var(--space-32));
  max-width: 46rem;
}
.hero .eyebrow {
  color: var(--on-ink-accent);
}
.hero h1 {
  margin-top: var(--space-5);
  color: var(--on-ink-strong);
}
.hero-lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--on-ink-muted);
  max-width: 34rem;
  line-height: 1.5;
}
.hero-cta {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.hero .btn-ghost {
  border-color: rgb(var(--on-ink-rgb) / 0.3);
  color: var(--on-ink-strong);
}
.hero .btn-ghost:hover {
  background: rgb(var(--on-ink-rgb) / 0.08);
  border-color: rgb(var(--on-ink-rgb) / 0.55);
}

/* page banner (interior pages) */
.pagehead {
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.pagehead-inner {
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
  max-width: 44rem;
}
.pagehead h1 {
  margin-top: var(--space-4);
}
.pagehead p {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.5;
}

/* ---------- stat strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.stat {
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid var(--color-divider);
}
.stat:last-child {
  border-right: 0;
}
.stat dt {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.stat dd {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
}
@media (max-width: 640px) {
  .stat {
    border-right: 0;
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-5) 0;
  }
  .stat:last-child {
    border-bottom: 0;
  }
}

/* ---------- cards / grids ---------- */
.grid-3 {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.grid-2 {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.split {
  display: grid;
  gap: clamp(var(--space-8), 6vw, var(--space-20));
  grid-template-columns: 1fr 1fr;
  align-items: center;
}
@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.value-card .n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}
.value-card h3 {
  margin-top: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.value-card p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---------- property cards ---------- */
.prop-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.prop {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: var(--transition-interactive);
}
.prop:hover {
  border-color: var(--color-text-faint);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.prop-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-surface-offset);
  overflow: hidden;
}
.prop-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--on-primary);
}
.badge-muted {
  background: rgb(var(--ink-rgb) / 0.82);
  color: var(--on-ink);
  backdrop-filter: blur(6px);
}
.badge-sold {
  background: var(--color-success);
  color: var(--on-primary);
}
[data-theme='dark'] .badge-sold {
  color: var(--color-ink);
}
.prop-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}
.prop-area {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.prop-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.15;
}
.prop-figs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.prop-figs div span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.prop-figs div strong {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.prop-meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.locked {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* filter bar */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: flex-end;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-8);
}
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 150px;
  flex: 1;
}
.field label,
.flabel {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}
select,
input[type='text'],
input[type='email'],
input[type='tel'],
input[type='number'],
input[type='file'],
textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  font-size: var(--text-sm);
  width: 100%;
  transition: border-color var(--transition-interactive);
}
select:focus,
input:focus,
textarea:focus {
  border-color: var(--color-primary);
}
textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

/* ---------- calculator ---------- */
.calc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.calc-out {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.calc-out div span {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.calc-out div strong {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}
.pos {
  color: var(--color-success);
}

/* spec table */
.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.spec th,
.spec td {
  text-align: left;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  vertical-align: top;
}
.spec th {
  font-weight: 500;
  color: var(--color-text-muted);
  width: 45%;
}
.spec td {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: -0.02em;
}

/* ---------- forms ---------- */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}
.fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}
.fieldset + .fieldset {
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
.fieldset legend {
  padding: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
}
.fieldset .hint {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.frow {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr 1fr;
  margin-top: var(--space-6);
}
@media (max-width: 560px) {
  .frow {
    grid-template-columns: 1fr;
  }
}
.fgroup {
  margin-top: var(--space-6);
}
.opts {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.opts-2 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.opt {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: var(--transition-interactive);
}
.opt:hover {
  border-color: var(--color-text-faint);
}
.opt input {
  margin-top: 0.25rem;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}
.opt:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}
.areas {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.area {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--text-sm);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.area:hover {
  background: var(--color-surface-offset);
}
.area input {
  accent-color: var(--color-primary);
}
.consent {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.formnote {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.demo-flag {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-primary);
  background: var(--color-surface-offset);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- quotes ---------- */
.quote {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
}
.quote-lead {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.2;
  letter-spacing: -0.015em;
}
.quote blockquote {
  margin: var(--space-6) 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.quote blockquote p + p {
  margin-top: var(--space-4);
}
.quote footer {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

/* ---------- accordion ---------- */
.acc {
  border-top: 1px solid var(--color-divider);
}
.acc details {
  border-bottom: 1px solid var(--color-divider);
}
.acc summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-5) var(--space-10) var(--space-5) 0;
  position: relative;
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.acc summary::-webkit-details-marker {
  display: none;
}
.acc summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-size: 1.3rem;
  transition: transform var(--transition-interactive);
}
.acc details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.acc .acc-body {
  padding-bottom: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.acc .acc-body > * + * {
  margin-top: var(--space-4);
}
.acc .acc-body ol,
.acc .acc-body ul {
  padding-left: 1.25rem;
}
.acc .acc-body li + li {
  margin-top: var(--space-2);
}

/* ---------- docs layout (education) ---------- */
.docs {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.docs-nav {
  position: sticky;
  top: 92px;
}
.docs-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ch;
}
.docs-nav li {
  counter-increment: ch;
  border-left: 2px solid var(--color-divider);
}
.docs-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  transition: var(--transition-interactive);
}
.docs-nav a::before {
  content: counter(ch, decimal-leading-zero) '  ';
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-faint);
}
.docs-nav a:hover {
  color: var(--color-text);
  background: var(--color-surface);
}
.docs-nav li.active {
  border-left-color: var(--color-primary);
}
.docs-nav li.active a {
  color: var(--color-text);
  font-weight: 500;
}
.chapter + .chapter {
  margin-top: clamp(var(--space-16), 8vw, var(--space-24));
  padding-top: clamp(var(--space-12), 6vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.chapter > .eyebrow + h2 {
  margin-top: var(--space-3);
}
.takeaways {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.takeaways h3 {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
}
.takeaways ul {
  margin-top: var(--space-4);
  padding-left: 1.1rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 900px) {
  .docs {
    grid-template-columns: 1fr;
  }
  .docs-nav {
    position: static;
    overflow-x: auto;
  }
  .docs-nav ol {
    display: flex;
    gap: var(--space-1);
  }
  .docs-nav li {
    border-left: 0;
    border-bottom: 2px solid var(--color-divider);
    flex-shrink: 0;
  }
  .docs-nav li.active {
    border-bottom-color: var(--color-primary);
  }
  .docs-nav a {
    white-space: nowrap;
  }
}

/* ---------- post list ---------- */
.posts {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-divider);
}
.post-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--space-6);
  align-items: baseline;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none;
  transition: var(--transition-interactive);
}
.post-row:hover {
  background: var(--color-surface);
  padding-inline: var(--space-4);
}
.post-row time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: -0.01em;
}
.post-row h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.15;
}
.post-row p {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.post-row .go {
  color: var(--color-primary);
  font-size: var(--text-sm);
}
@media (max-width: 720px) {
  .post-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
  .post-row .go {
    display: none;
  }
}

/* ---------- cta band ---------- */
.cta-band {
  background: var(--color-ink);
  color: var(--on-ink);
}
.cta-band .inner {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.05;
  color: var(--on-ink-strong);
}
.cta-band p {
  margin-top: var(--space-4);
  color: var(--on-ink-faint);
  max-width: 40ch;
}
.cta-band .actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.cta-band .btn-ghost {
  border-color: rgb(var(--on-ink-rgb) / 0.3);
  color: var(--on-ink-strong);
}
.cta-band .btn-ghost:hover {
  background: rgb(var(--on-ink-rgb) / 0.08);
}
@media (max-width: 800px) {
  .cta-band .inner {
    grid-template-columns: 1fr;
  }
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface);
  padding-block: var(--space-16) var(--space-10);
  font-size: var(--text-sm);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-8);
}
@media (max-width: 800px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.foot-grid h4 {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 600;
}
.foot-grid ul {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: var(--space-2);
}
.foot-grid a {
  text-decoration: none;
  color: var(--color-text-muted);
}
.foot-grid a:hover {
  color: var(--color-text);
}
.foot-brand p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  max-width: 30ch;
}
.disclaimer {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.7;
}
.copyline {
  margin-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
.reveal {
  opacity: 0;
  transform: translateY(14px);
}
.reveal.in {
  opacity: 1;
  transform: none;
  transition:
    opacity 600ms ease,
    transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------------------------------------------------- forms: extras */
.hint{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.65;margin-top:var(--space-3)}

/* ------------------------------------------------------- docs / hub */
.docs{display:grid;grid-template-columns:minmax(200px,240px) minmax(0,1fr);gap:var(--space-16);align-items:start}
.docs-nav{position:sticky;top:calc(var(--header-h) + var(--space-6));display:none}
.docs-nav-title{font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-faint);margin-bottom:var(--space-4)}
.toc li.active > a .docs-body{min-width:0;display:grid;gap:var(--space-20)}
.chapter{scroll-margin-top:calc(var(--header-h) + var(--space-8))}
.chapter-head{padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-8)}
.chapter-head .h-sect{margin-top:var(--space-3)}
.chapter-dek{margin-top:var(--space-4);color:var(--color-text-muted);font-size:var(--text-lg);line-height:1.6;max-width:56ch}
@media (min-width:960px){.docs-nav{display:block}}
@media (max-width:959px){.docs{grid-template-columns:1fr;gap:var(--space-10)}}

/* ------------------------------------------------------------ posts */
.post-grid{display:grid;gap:var(--space-6)}
@media (min-width:720px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1080px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-4);transition:border-color .2s,transform .2s}
.post-card:hover{border-color:var(--color-text-faint);transform:translateY(-2px)}
.post-card-meta{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint);letter-spacing:.04em}
.post-card-title{font-family:var(--font-display);font-size:1.4rem;line-height:1.2;font-weight:400;letter-spacing:-.01em}
.post-card-title a{color:var(--color-text);text-decoration:none}
.post-card-title a:hover{color:var(--color-primary)}
.post-card-dek{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.65;flex:1}

.post-head{padding:var(--space-16) 0 var(--space-10);border-bottom:1px solid var(--color-border);background:var(--color-surface-offset)}
.h-post{font-family:var(--font-display);font-size:clamp(2rem,4.4vw,3.1rem);line-height:1.08;font-weight:400;letter-spacing:-.02em;margin-top:var(--space-4);max-width:22ch}
.post-meta{margin-top:var(--space-6);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint);letter-spacing:.05em;text-transform:uppercase}
.post-body{padding:var(--space-14) 0 var(--space-4)}
.post-body>p:first-child{font-size:var(--text-lg);line-height:1.65;color:var(--color-text)}
.post-cta{margin:var(--space-12) 0;padding:var(--space-10);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface-offset)}
.pager{display:grid;gap:var(--space-4);padding:var(--space-10) 0 var(--space-20);border-top:1px solid var(--color-border)}
@media (min-width:720px){.pager{grid-template-columns:1fr 1fr}}
.pager-item{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;transition:border-color .2s}
.pager-item:hover{border-color:var(--color-text-faint)}
.pager-item span{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-faint)}
.pager-item strong{font-weight:500;font-size:var(--text-sm);line-height:1.4;color:var(--color-text)}
.pager-next{text-align:right;align-items:flex-end}

/* --------------------------------------------------- specificity fixes */
.nav-links a.btn-primary{color:var(--on-primary)}
.nav-links a.btn-primary:hover{color:var(--on-primary)}
.stats .stat{display:flex;flex-direction:column;justify-content:space-between}
.stats .stat span:first-child{min-height:2.6em}

.toc{list-style:none;margin:0;padding:0;counter-reset:ch}
.docs-nav .btn{margin-top:var(--space-6)}

.docs-nav a.btn::before{content:none}
.docs-nav a.btn-primary,.docs-nav a.btn-primary:hover{color:var(--color-text-inverse);background:var(--color-primary);text-align:center;justify-content:center}
.prose p.dek{color:var(--color-text-muted);font-size:var(--text-sm);margin-top:calc(var(--space-2) * -1);letter-spacing:.01em}

[hidden]{display:none !important}

/* ---------- lead form status + validation ---------- */
.form-status {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-text-faint);
  background: var(--color-surface-offset);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-text-muted);
}
.form-status strong { color: var(--color-text); }
.form-status a { color: var(--color-primary); text-decoration: underline; }
.form-status code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  background: rgba(127, 127, 127, 0.14);
}
.form-status.is-pending { border-left-color: var(--color-text-faint); }
.form-status.is-ok { border-left-color: var(--color-success); }
.form-status.is-error { border-left-color: #b3401f; }
.form-card .is-invalid,
.form-card .is-invalid:focus {
  border-color: #b3401f;
  box-shadow: 0 0 0 3px rgba(179, 64, 31, 0.14);
}
label.opt:has(.is-invalid),
label.area:has(.is-invalid) { color: #b3401f; }


/* ---------- brand scaling on small screens ---------- */
@media (max-width: 720px) {
  .brand-mark-img { height: 40px; }
  .brand-name { font-size: 1.3rem; }
  .nav { min-height: 74px; }
}
@media (max-width: 400px) {
  .brand-mark-img { height: 34px; }
  .brand-name { font-size: 1.1rem; }
}
.foot-brand .brand-mark-img { height: 52px; }


/* ============================================================
   Alternate colour schemes — set data-scheme on <html>
   ============================================================ */

/* ---- emerald ---- */
[data-scheme='emerald'],
[data-scheme='emerald'][data-theme='light'] {
  --color-bg: #f4f6f3;
  --color-surface: #fafbf9;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e8ece7;
  --color-divider: #e0e5df;
  --color-border: #d2d9d0;
  --color-text: #141815;
  --color-text-muted: #5c6660;
  --color-text-faint: #98a29b;
  --color-text-inverse: #f6f8f5;
  --color-primary: #0f6b4f;
  --color-primary-hover: #0b543e;
  --color-primary-soft: #dcebe3;
  --color-success: #2f6b4a;
  --color-success-soft: #dcebe3;
  --color-ink: #0b120e;
  --on-primary: #ffffff;
  --ink-rgb: 9 18 14;
  --on-ink: #eef3ef;
  --on-ink-strong: #f8fbf9;
  --on-ink-muted: #c2ccc6;
  --on-ink-faint: #aeb8b2;
  --on-ink-accent: #58c199;
  --on-ink-rgb: 238 243 239;
  --shadow-sm: 0 1px 2px rgba(12,26,20,0.06);
  --shadow-md: 0 6px 20px rgba(12,26,20,0.08);
  --shadow-lg: 0 18px 44px rgba(12,26,20,0.12);
}
[data-scheme='emerald'][data-theme='dark'] {
  --color-bg: #0f1210;
  --color-surface: #161a17;
  --color-surface-2: #1c211d;
  --color-surface-offset: #202521;
  --color-divider: #232823;
  --color-border: #333a35;
  --color-text: #e6ebe7;
  --color-text-muted: #8b968f;
  --color-text-faint: #5d675f;
  --color-text-inverse: #0b120e;
  --color-primary: #4fbf94;
  --color-primary-hover: #6ad2aa;
  --color-primary-soft: #16261f;
  --color-success: #4fbf94;
  --color-success-soft: #16261f;
  --color-ink: #080c0a;
  --on-primary: #06150e;
  --ink-rgb: 6 12 9;
  --on-ink: #eef3ef;
  --on-ink-strong: #f8fbf9;
  --on-ink-muted: #c2ccc6;
  --on-ink-faint: #aeb8b2;
  --on-ink-accent: #58c199;
  --on-ink-rgb: 238 243 239;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.55);
}

/* ---- azure ---- */
[data-scheme='azure'],
[data-scheme='azure'][data-theme='light'] {
  --color-bg: #f4f6f9;
  --color-surface: #fafbfd;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e8ecf2;
  --color-divider: #e0e5ec;
  --color-border: #d1d8e2;
  --color-text: #10151c;
  --color-text-muted: #5a6472;
  --color-text-faint: #98a1af;
  --color-text-inverse: #f5f7fa;
  --color-primary: #1d5fd1;
  --color-primary-hover: #164cab;
  --color-primary-soft: #dde7fa;
  --color-success: #1c7a54;
  --color-success-soft: #dcece4;
  --color-ink: #0a1018;
  --on-primary: #ffffff;
  --ink-rgb: 8 13 20;
  --on-ink: #eaeff5;
  --on-ink-strong: #f7f9fc;
  --on-ink-muted: #bfc8d4;
  --on-ink-faint: #aab4c1;
  --on-ink-accent: #7fb0ff;
  --on-ink-rgb: 234 239 245;
  --shadow-sm: 0 1px 2px rgba(15,25,40,0.06);
  --shadow-md: 0 6px 20px rgba(15,25,40,0.09);
  --shadow-lg: 0 18px 44px rgba(15,25,40,0.13);
}
[data-scheme='azure'][data-theme='dark'] {
  --color-bg: #0e1116;
  --color-surface: #141922;
  --color-surface-2: #1a2029;
  --color-surface-offset: #1e242e;
  --color-divider: #212832;
  --color-border: #313a47;
  --color-text: #e4e9f0;
  --color-text-muted: #8892a1;
  --color-text-faint: #5b6472;
  --color-text-inverse: #0a1018;
  --color-primary: #6ea8fe;
  --color-primary-hover: #8dbcff;
  --color-primary-soft: #14203a;
  --color-success: #6fc79a;
  --color-success-soft: #14251d;
  --color-ink: #080b10;
  --on-primary: #08131f;
  --ink-rgb: 6 9 14;
  --on-ink: #eaeff5;
  --on-ink-strong: #f7f9fc;
  --on-ink-muted: #bfc8d4;
  --on-ink-faint: #aab4c1;
  --on-ink-accent: #7fb0ff;
  --on-ink-rgb: 234 239 245;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.55);
}

/* ---- clay ---- */
[data-scheme='clay'],
[data-scheme='clay'][data-theme='light'] {
  --color-bg: #f6f3f1;
  --color-surface: #fbf9f8;
  --color-surface-2: #ffffff;
  --color-surface-offset: #ece7e3;
  --color-divider: #e5dfda;
  --color-border: #d8d0ca;
  --color-text: #1b1614;
  --color-text-muted: #6b615b;
  --color-text-faint: #a49890;
  --color-text-inverse: #f8f4f2;
  --color-primary: #b4462f;
  --color-primary-hover: #93361f;
  --color-primary-soft: #f3e0da;
  --color-success: #3f6b4e;
  --color-success-soft: #e0eae2;
  --color-ink: #17120f;
  --on-primary: #ffffff;
  --ink-rgb: 18 14 11;
  --on-ink: #f2ece8;
  --on-ink-strong: #faf5f2;
  --on-ink-muted: #cdc2bb;
  --on-ink-faint: #b8aca4;
  --on-ink-accent: #e2846a;
  --on-ink-rgb: 242 236 232;
  --shadow-sm: 0 1px 2px rgba(35,22,16,0.06);
  --shadow-md: 0 6px 20px rgba(35,22,16,0.09);
  --shadow-lg: 0 18px 44px rgba(35,22,16,0.13);
}
[data-scheme='clay'][data-theme='dark'] {
  --color-bg: #131110;
  --color-surface: #1a1716;
  --color-surface-2: #201d1b;
  --color-surface-offset: #241f1d;
  --color-divider: #272220;
  --color-border: #3a3330;
  --color-text: #ebe4e0;
  --color-text-muted: #968a83;
  --color-text-faint: #665c57;
  --color-text-inverse: #17120f;
  --color-primary: #e2765a;
  --color-primary-hover: #ef8f76;
  --color-primary-soft: #2b1b16;
  --color-success: #85b590;
  --color-success-soft: #1e2820;
  --color-ink: #0d0a09;
  --on-primary: #1a0b06;
  --ink-rgb: 13 10 9;
  --on-ink: #f2ece8;
  --on-ink-strong: #faf5f2;
  --on-ink-muted: #cdc2bb;
  --on-ink-faint: #b8aca4;
  --on-ink-accent: #e2846a;
  --on-ink-rgb: 242 236 232;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.55);
}

/* ---- graphite ---- */
[data-scheme='graphite'],
[data-scheme='graphite'][data-theme='light'] {
  --color-bg: #f5f6f7;
  --color-surface: #fafbfb;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eaecee;
  --color-divider: #e3e6e8;
  --color-border: #d5d9dd;
  --color-text: #101317;
  --color-text-muted: #5f666e;
  --color-text-faint: #9aa1a9;
  --color-text-inverse: #f7f8f9;
  --color-primary: #22272e;
  --color-primary-hover: #0d1114;
  --color-primary-soft: #e5e8eb;
  --color-success: #2f6b4a;
  --color-success-soft: #e0ebe4;
  --color-ink: #0c0e11;
  --on-primary: #ffffff;
  --ink-rgb: 10 12 15;
  --on-ink: #eceef1;
  --on-ink-strong: #f9fafb;
  --on-ink-muted: #c3c8ce;
  --on-ink-faint: #aeb4bb;
  --on-ink-accent: #d9dee4;
  --on-ink-rgb: 236 238 241;
  --shadow-sm: 0 1px 2px rgba(16,19,23,0.06);
  --shadow-md: 0 6px 20px rgba(16,19,23,0.09);
  --shadow-lg: 0 18px 44px rgba(16,19,23,0.13);
}
[data-scheme='graphite'][data-theme='dark'] {
  --color-bg: #0e1013;
  --color-surface: #15181c;
  --color-surface-2: #1b1f23;
  --color-surface-offset: #1f2328;
  --color-divider: #22262b;
  --color-border: #333940;
  --color-text: #e6e9ec;
  --color-text-muted: #8b9299;
  --color-text-faint: #5c636a;
  --color-text-inverse: #0c0e11;
  --color-primary: #e8ebee;
  --color-primary-hover: #ffffff;
  --color-primary-soft: #1e2227;
  --color-success: #7fc09a;
  --color-success-soft: #16241c;
  --color-ink: #08090b;
  --on-primary: #0f1215;
  --ink-rgb: 8 9 11;
  --on-ink: #eceef1;
  --on-ink-strong: #f9fafb;
  --on-ink-muted: #c3c8ce;
  --on-ink-faint: #aeb4bb;
  --on-ink-accent: #d9dee4;
  --on-ink-rgb: 236 238 241;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.45);
  --shadow-lg: 0 18px 44px rgba(0,0,0,0.55);
}

/* graphite: primary CTA on dark sections */
[data-scheme='graphite']:not([data-theme='dark']) .hero .btn-primary,
[data-scheme='graphite']:not([data-theme='dark']) .cta-band .btn-primary {
  background: var(--on-ink-strong);
  color: #12161b;
}
[data-scheme='graphite']:not([data-theme='dark']) .hero .btn-primary:hover,
[data-scheme='graphite']:not([data-theme='dark']) .cta-band .btn-primary:hover {
  background: #ffffff;
  color: #0c0e11;
}