/* ProxiHuman company site — "Synthetic Kinematics" design system.
   Tokens mirror ProxiHuman-site/stitch_proxihuman_brand_identity_design. */

:root {
  color-scheme: dark;

  --surface: #0b1326;
  --surface-lowest: #060e20;
  --surface-low: #131b2e;
  --surface-container: #171f33;
  --surface-high: #222a3d;
  --surface-highest: #2d3449;
  --surface-bright: #31394d;
  --on-surface: #dae2fd;
  --on-surface-variant: #bacac5;
  --outline: #859490;
  --outline-variant: #3c4a46;

  --primary: #57f1db;
  --primary-dim: #3cddc7;
  --primary-container: #2dd4bf;
  --on-primary: #003731;
  --on-primary-container: #00574d;
  --secondary: #7bd0ff;
  --tertiary: #67f0dc;

  --font-display: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --margin: 1rem;

  --radius-sm: 0.25rem;
  --radius: 0.5rem;
  --radius-xl: 0.75rem;

  --header-h: 5rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 768px) { :root { --margin: 2rem; } }
@media (min-width: 1024px) { :root { --margin: 3rem; } }

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  color: var(--on-surface);
  font: 400 14px/20px var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
h1, h2, h3, h4, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: var(--radius-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: var(--margin); top: -3rem; z-index: 100; padding: 0.5rem 1rem; border-radius: var(--radius); background: var(--primary); color: var(--on-primary); font-weight: 600; }
.skip-link:focus { top: 1rem; }

main { flex: 1; padding-top: var(--header-h); }

/* ---------- Typography ---------- */
.t-display { font: 700 32px/40px var(--font-display); letter-spacing: -0.02em; }
.t-headline-lg { font: 600 24px/32px var(--font-display); letter-spacing: -0.01em; }
.t-headline-md { font: 600 24px/32px var(--font-display); letter-spacing: -0.01em; }
.t-headline-sm { font: 600 18px/24px var(--font-display); }
.t-body-lg { font-size: 16px; line-height: 26px; letter-spacing: -0.01em; }
.t-body-md { font-size: 14px; line-height: 20px; }
.t-body-sm { font-size: 12px; line-height: 16px; letter-spacing: 0.01em; }
.t-mono { font: 500 11px/14px var(--font-mono); letter-spacing: 0.06em; font-variant-numeric: tabular-nums; }
.t-mono-lg { font: 500 13px/18px var(--font-mono); letter-spacing: 0.04em; font-variant-numeric: tabular-nums; }
.upper { text-transform: uppercase; }
.wide { letter-spacing: 0.1em; }
.bold { font-weight: 700; }
@media (min-width: 768px) {
  .t-display { font-size: 48px; line-height: 56px; letter-spacing: -0.03em; }
  .t-headline-lg { font-size: 32px; line-height: 40px; letter-spacing: -0.02em; }
}

.c-primary { color: var(--primary); }
.c-primary-container { color: var(--primary-container); }
.c-secondary { color: var(--secondary); }
.c-tertiary { color: var(--tertiary); }
.c-muted { color: var(--on-surface-variant); }
.c-faint { color: var(--outline-variant); }
.c-on { color: var(--on-surface); }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: 80rem; margin-inline: auto; padding-inline: var(--margin); }
.container--md { max-width: calc(64rem + 2 * var(--margin)); }
.container--sm { max-width: calc(48rem + 2 * var(--margin)); }
.section { padding-block: var(--space-xl); }
.section--band { background: var(--surface-lowest); }
.stack { display: flex; flex-direction: column; }
.stack-xs { gap: var(--space-xs); }
.stack-sm { gap: var(--space-sm); }
.stack-md { gap: var(--space-md); }
.stack-lg { gap: var(--space-lg); }
.stack-xl { gap: var(--space-xl); }
.row { display: flex; align-items: center; }
.row-xs { gap: var(--space-xs); }
.row-sm { gap: var(--space-sm); }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }

.grid { display: grid; gap: var(--space-lg); grid-template-columns: minmax(0, 1fr); }
.grid--tight { gap: var(--space-md); }
.grid--2-sm { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px) { .grid--2-at-sm { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4-md { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--3-lg { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4-lg { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Section heading: eyebrow + title, optional aside text aligned to bottom */
.section-head { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-xl); }
.section-head > p { max-width: 28rem; }
@media (min-width: 768px) {
  .section-head { flex-direction: row; align-items: flex-end; justify-content: space-between; gap: var(--space-lg); }
}

/* ---------- Icons ---------- */
.i { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.i--16 { font-size: 16px; }
.i--18 { font-size: 18px; }
.i--20 { font-size: 20px; }
.i--22 { font-size: 22px; }
.i--28 { font-size: 28px; }

.icon-tile {
  width: 2.5rem; height: 2.5rem; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius); background: var(--surface-highest);
}
.icon-tile--high { background: var(--surface-high); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50;
  background: rgb(11 19 38 / 0.8);
  -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px);
  box-shadow: 0 1px 8px rgb(0 0 0 / 0.12);
}
.site-header__inner { height: var(--header-h); padding-inline: var(--margin); display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
.site-header__left, .site-header__right { display: flex; align-items: center; gap: var(--space-lg); }
.site-header__right { gap: var(--space-md); }
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); }
.brand__mark { width: 2rem; height: 2rem; }
.brand__name { font: 600 18px/24px var(--font-display); letter-spacing: -0.01em; }
.badge.header-status { display: none; }
@media (min-width: 1280px) { .badge.header-status { display: inline-flex; } }

.site-nav { display: none; align-items: center; gap: var(--space-sm); }
@media (min-width: 1280px) { .site-nav { gap: var(--space-lg); } }
.site-nav a { white-space: nowrap; padding: 0.375rem 0.75rem; border-radius: var(--radius); color: var(--on-surface-variant); transition: color 0.15s, background-color 0.15s; }
.site-nav a:hover { color: var(--on-surface); }
.site-nav a[aria-current="page"] { background: var(--primary-container); color: var(--on-primary-container); font-weight: 600; }
@media (min-width: 1024px) { .site-nav { display: flex; } }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; padding: 0; border: 0; border-radius: var(--radius);
  background: var(--surface-high); color: var(--on-surface); cursor: pointer;
}
.nav-toggle:hover { background: var(--surface-bright); }
.nav-toggle .i-close { display: none; }
.nav-open .nav-toggle .i-menu { display: none; }
.nav-open .nav-toggle .i-close { display: block; }
@media (min-width: 1024px) { .nav-toggle { display: none; } }

@media (max-width: 1023.98px) {
  .nav-open .site-nav {
    display: flex; flex-direction: column; align-items: stretch; gap: var(--space-xs);
    position: absolute; top: var(--header-h); left: 0; right: 0;
    padding: var(--space-md) var(--margin) var(--space-lg);
    background: var(--surface); border-top: 1px solid rgb(60 74 70 / 0.4);
    box-shadow: 0 12px 24px rgb(0 0 0 / 0.35);
  }
  .nav-open .site-nav a { padding: 0.75rem 1rem; font-size: 16px; }
  .site-nav .site-nav__cta { display: block; }
}
.site-nav__cta { display: none; }
@media (max-width: 639.98px) { .site-nav .site-nav__cta { background: var(--primary); color: var(--on-primary); font-weight: 600; text-align: center; margin-top: var(--space-sm); } }
@media (min-width: 640px) { .site-nav .site-nav__cta { display: none !important; } }

/* ---------- Badges & dots ---------- */
.dot { width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--primary); }
.dot--lg { width: 8px; height: 8px; }
.dot--secondary { background: var(--secondary); }
.dot--pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.badge {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.25rem 0.75rem; border-radius: 9999px;
  background: var(--surface-low); color: var(--primary);
  font: 500 11px/14px var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase;
}
.tag {
  display: inline-block; padding: 0.125rem 0.5rem; border-radius: var(--radius-sm);
  background: var(--surface-high);
  font: 500 11px/14px var(--font-mono); letter-spacing: 0.06em;
}
.tag--lg { padding: 0.25rem 0.625rem; }
.tag--low { background: var(--surface-low); }
.tag--primary { background: rgb(87 241 219 / 0.1); color: var(--primary); }

/* ---------- Buttons ---------- */
.btn {
  white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-sm);
  padding: 0.75rem 1.5rem; border: 0; border-radius: var(--radius);
  font-weight: 600; font-size: 14px; line-height: 20px; cursor: pointer;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.btn--sm { padding: 0.5rem 1rem; }
.btn--md { padding: 0.625rem 1.25rem; }
.btn--xs { padding: 0.5rem 1rem; font-size: 12px; line-height: 16px; }
.btn--primary { background: var(--primary); color: var(--on-primary); box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1); }
.btn--primary:hover { background: var(--primary-dim); box-shadow: 0 0 20px rgb(45 212 191 / 0.35); }
.btn--primary:active { background: var(--primary-container); }
.btn--secondary { background: var(--surface-high); color: var(--on-surface); }
.btn--secondary:hover { background: var(--surface-bright); }
.btn--tonal { background: var(--surface-container); color: var(--on-surface); }
.btn--tonal:hover { background: var(--surface-low); }
.btn .i-arrow { transition: transform 0.2s var(--ease); }
.btn:hover .i-arrow { transform: translateX(2px); }
.header-cta { display: none; }
@media (min-width: 640px) { .header-cta { display: inline-flex; } }

/* ---------- Cards ---------- */
.card { background: var(--surface-low); border-radius: var(--radius-xl); padding: var(--space-lg); box-shadow: 0 1px 2px rgb(0 0 0 / 0.05); }
.card--container { background: var(--surface-container); }
.card--high { background: var(--surface-high); }
.card--lowest { background: var(--surface-lowest); }
.card--hover { transition: background-color 0.2s, box-shadow 0.2s; }
.card--hover:hover { background: var(--surface-container); box-shadow: 0 4px 12px rgb(0 0 0 / 0.2); }
.card--container.card--hover:hover { background: var(--surface-container); box-shadow: 0 8px 20px rgb(0 0 0 / 0.25); }
.card--flex { display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-lg); }
.inset { background: var(--surface-low); border-radius: var(--radius); padding: var(--space-sm); }
.inset--md { padding: var(--space-md); }
.inset--lowest { background: var(--surface-lowest); }

.checklist { display: flex; flex-direction: column; gap: var(--space-sm); }
.checklist li { display: flex; align-items: flex-start; gap: var(--space-sm); }
.checklist li .i { margin-top: 1px; }
.checklist--tight { gap: var(--space-xs); }
.checklist--lg li .i { margin-top: 0; }

.kv { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-md); }
.kv > :last-child { color: var(--on-surface); font-weight: 600; text-align: right; }

/* ---------- Overview: hero ---------- */
.hero { position: relative; overflow: hidden; isolation: isolate; }
.hero__glow {
  position: absolute; top: 0; left: 50%; z-index: -1;
  width: 800px; max-width: 100%; height: 360px; transform: translateX(-50%);
  background: linear-gradient(to bottom, rgb(87 241 219 / 0.1), rgb(123 208 255 / 0.05), transparent);
  filter: blur(64px); pointer-events: none;
}
.hero__inner { display: flex; flex-direction: column; align-items: center; text-align: center; padding-block: var(--space-xl); }
.hero__title { max-width: 56rem; margin: var(--space-lg) 0 var(--space-md); }
.hero__lede { max-width: 42rem; margin-bottom: var(--space-xl); }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md); margin-bottom: var(--space-xl); }
.hero__panel { width: 100%; max-width: 56rem; }

.telemetry { padding: var(--space-md); margin-bottom: var(--space-xl); box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2); text-align: left; }
.telemetry__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-sm); padding: 0 var(--space-sm) var(--space-sm); color: var(--on-surface-variant); }
.telemetry__plot { position: relative; height: 8rem; border-radius: var(--radius); background: var(--surface-low); overflow: hidden; display: flex; align-items: center; }
.telemetry__plot svg { width: 100%; height: 6rem; }
.telemetry__meta { position: absolute; left: 1rem; bottom: 0.5rem; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; color: var(--on-surface-variant); }
.trace { stroke-dasharray: 6 1200; animation: trace 6s linear infinite; }
@keyframes trace { from { stroke-dashoffset: 1200; } to { stroke-dashoffset: 0; } }

.metrics { padding: var(--space-md) var(--space-lg); text-align: left; }
.metrics > div { padding-block: var(--space-sm); }
.metrics p { margin-top: var(--space-sm); }
@media (min-width: 768px) { .metrics > div + div { padding-left: var(--space-md); } }

.pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; max-width: 56rem; }
@media (min-width: 768px) { .pills { gap: 1rem; } }
.pill { display: inline-flex; align-items: center; gap: var(--space-sm); padding: 0.5rem 1rem; border-radius: var(--radius); background: var(--surface-low); transition: color 0.15s; }
.pill:hover { color: var(--primary); }

.cta-banner { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.cta-banner__text { max-width: 36rem; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); flex: none; }
@media (min-width: 768px) {
  .cta-banner { flex-direction: row; padding: var(--space-xl); }
}

/* ---------- Technology ---------- */
.page-head { display: flex; flex-direction: column; gap: var(--space-lg); }
.page-head__tags { display: flex; flex-wrap: wrap; gap: var(--space-xs); align-items: flex-start; }
@media (min-width: 768px) {
  .page-head { flex-direction: row; align-items: flex-end; justify-content: space-between; }
  .page-head__tags { flex-direction: column; align-items: flex-end; flex: none; }
}
.status-banner { display: flex; flex-direction: column; gap: var(--space-md); padding: var(--space-md); }
.status-banner__stats { display: flex; gap: var(--space-lg); }
@media (min-width: 1024px) {
  .status-banner { flex-direction: row; align-items: center; justify-content: space-between; }
  .status-banner__stats { text-align: right; }
}

.module { display: flex; flex-direction: column; overflow: hidden; background: var(--surface-container); border-radius: var(--radius-xl); box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.15); transition: background-color 0.2s; }
.module:hover { background: var(--surface-high); }
.module__media { position: relative; height: 13rem; overflow: hidden; background: var(--surface-lowest); }
.module__media svg { width: 100%; height: 100%; opacity: 0.9; transition: transform 0.3s var(--ease); }
.module:hover .module__media svg { transform: scale(1.05); }
.module__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--surface-container), rgb(23 31 51 / 0.2) 50%, transparent); pointer-events: none; transition: background 0.2s; }
.module:hover .module__media::after { background: linear-gradient(to top, var(--surface-high), rgb(34 42 61 / 0.2) 50%, transparent); }
.module__label { position: absolute; top: 1rem; left: 1rem; z-index: 1; padding: 0.25rem 0.625rem; border-radius: var(--radius-sm); background: rgb(6 14 32 / 0.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.module__status { position: absolute; right: 1rem; bottom: 0.5rem; z-index: 1; }
.module__body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-lg); padding: var(--space-lg); }

.spec-card { display: flex; flex-direction: column; justify-content: space-between; }
.spec-card__value { margin-block: var(--space-md); }
.spec-card__value .t-headline-lg { white-space: nowrap; font-size: clamp(22px, 2.2vw, 30px); }
.meter { height: 6px; border-radius: 9999px; background: var(--surface-high); overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--primary); }
.meter--secondary > span { background: var(--secondary); }

.matrix { overflow: hidden; background: var(--surface-container); border-radius: var(--radius-xl); }
.matrix__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-sm); padding: var(--space-md) var(--space-lg); background: var(--surface-high); }
.matrix__cells { display: grid; grid-template-columns: minmax(0, 1fr); }
.matrix__cells > div { padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-xs); }
.matrix__cells > div + div { border-top: 1px solid rgb(60 74 70 / 0.3); }
@media (min-width: 768px) {
  .matrix__cells { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .matrix__cells > div + div { border-top: 0; }
  .matrix__cells > div:nth-child(even) { border-left: 1px solid rgb(60 74 70 / 0.3); }
  .matrix__cells > div:nth-child(n + 3) { border-top: 1px solid rgb(60 74 70 / 0.3); }
}
@media (min-width: 1024px) {
  .matrix__cells { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .matrix__cells > div + div { border-left: 1px solid rgb(60 74 70 / 0.3); }
  .matrix__cells > div:nth-child(n + 3) { border-top: 0; }
}

.dev-panel { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-xl); }
.dev-panel__actions { display: flex; flex-direction: column; gap: var(--space-md); width: 100%; }
@media (min-width: 640px) { .dev-panel__actions { flex-direction: row; align-items: center; } }
@media (min-width: 768px) { .dev-panel { padding: var(--space-xl); } }
@media (min-width: 1024px) {
  .dev-panel { flex-direction: row; align-items: center; justify-content: space-between; }
  .dev-panel__actions { width: auto; flex: none; }
}

/* ---------- Solutions ---------- */
.stat-tile { display: flex; flex-direction: column; gap: var(--space-xs); padding: var(--space-md); border-radius: var(--radius); background: var(--surface-low); }

.form { display: flex; flex-direction: column; gap: var(--space-lg); padding: var(--space-lg); border-radius: var(--radius-xl); background: var(--surface-container); transition: opacity 0.3s; }
@media (min-width: 768px) { .form { padding: var(--space-xl); } }
.form.is-sent { opacity: 0.4; pointer-events: none; }
.field { display: flex; flex-direction: column; gap: var(--space-xs); }
.field > label, .field > .field__label { color: var(--on-surface); }
.input {
  width: 100%; padding: 0.625rem 0.75rem; border: 1px solid transparent; border-radius: var(--radius);
  background: var(--surface-low); color: var(--on-surface); font-size: 14px; line-height: 20px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input::placeholder { color: var(--outline); }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.input:user-invalid { border-color: #ffb4ab; }
textarea.input { resize: vertical; min-height: 5rem; }
.choice-grid { display: grid; gap: var(--space-sm); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.choice-grid--2 { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) {
  .choice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .choice-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.choice { display: flex; align-items: center; gap: var(--space-sm); padding: 0.75rem; border-radius: var(--radius); background: var(--surface-low); cursor: pointer; transition: background-color 0.15s; }
.choice:hover { background: var(--surface-high); }
.choice input { accent-color: var(--primary-container); width: 1rem; height: 1rem; margin: 0; flex: none; }
.choice:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 2px; }
.form__foot { display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: var(--space-md); padding-top: var(--space-xs); }
.form__foot .btn { width: 100%; }
@media (min-width: 640px) {
  .form__foot { flex-direction: row; }
  .form__foot .btn { width: auto; }
}
.confirmation { display: flex; align-items: center; gap: var(--space-md); padding: var(--space-lg); border-radius: var(--radius-xl); background: var(--primary-container); color: var(--on-primary-container); }
.confirmation[hidden] { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface-lowest); padding-block: var(--space-xl); box-shadow: 0 -1px 8px rgb(0 0 0 / 0.08); }
.site-footer__inner { padding-inline: var(--margin); display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: var(--space-md); text-align: center; }
.site-footer__brand { display: flex; flex-direction: column; align-items: center; gap: var(--space-sm); }
.site-footer__brand .brand__mark { width: 1.5rem; height: 1.5rem; opacity: 0.7; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-sm) var(--space-lg); }
.site-footer nav a { color: var(--on-surface-variant); font-size: 12px; line-height: 16px; transition: color 0.15s; }
.site-footer nav a:hover { color: var(--on-surface); }
@media (min-width: 768px) {
  .site-footer__inner { flex-direction: row; text-align: left; }
  .site-footer__brand { flex-direction: row; gap: var(--space-md); }
}

/* ---------- Utilities ---------- */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.mb-xs { margin-bottom: var(--space-xs); }
.pt-md { padding-top: var(--space-md); }
.pb-xl { padding-bottom: calc(var(--space-xl) * 2); }
.mt-auto { margin-top: auto; }
.center { text-align: center; }
.max-lg { max-width: 32rem; }
.max-2xl { max-width: 42rem; }
.max-3xl { max-width: 48rem; }
.nowrap { white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}