@layer reset, tokens, base, layout, components, utilities;

@font-face {
  font-family: "Cabinet Grotesk";
  src: url("/assets/fonts/cabinet-grotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Cabinet Fallback";
  src: local("Arial Bold"), local("Arial-BoldMT"), local("Arial");
  font-weight: 700;
  size-adjust: 92%;
  ascent-override: 94.6%;
  descent-override: 30.4%;
  line-gap-override: 9.8%;
}

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  :where(body, h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd) { margin: 0; }
  :where(ul, ol)[role="list"] { list-style: none; padding: 0; }
  :where(img, picture, svg, video) { display: block; max-inline-size: 100%; block-size: auto; }
  :where(input, button, textarea, select) { font: inherit; color: inherit; }
  :where(button) { cursor: pointer; }
  html { -webkit-text-size-adjust: none; text-size-adjust: none; }
  @media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
  }
}

@layer tokens {
  :root {
    color-scheme: light dark;

    --color-bg: #fafbfd;
    --color-surface: #ffffff;
    --color-surface-muted: #f2f4f8;
    --color-text: #131620;
    --color-text-muted: #5a6276;
    --color-border: #e3e6ee;
    --color-primary: #516bef;
    --color-primary-strong: #4059d6;
    --color-primary-soft: #eef1ff;
    --color-on-primary: #ffffff;
    --color-accent: #e6b93d;
    --color-accent-soft: #fbf3dc;
    --color-on-accent: #242a38;
    --color-ink: #131620;
    --color-on-ink: #f3f4f8;
    --color-on-ink-muted: #b4b9c8;
    --color-focus: #4059d6;
    --color-success: #13795b;
    --color-error: #c2261f;

    --font-display: "Cabinet Grotesk", "Cabinet Fallback", system-ui, sans-serif;
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    --fs-xs: 0.8125rem;
    --fs-sm: clamp(0.875rem, 0.85rem + 0.1vw, 0.9375rem);
    --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    --fs-lead: clamp(1.0625rem, 0.98rem + 0.45vw, 1.3125rem);
    --fs-h3: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
    --fs-h2: clamp(1.875rem, 1.45rem + 2.1vw, 3rem);
    --fs-h1: clamp(2.375rem, 1.6rem + 3.9vw, 4.5rem);
    --lh-tight: 1.08;
    --lh-snug: 1.25;
    --lh-base: 1.6;
    --tracking-tight: -0.02em;

    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: clamp(1.25rem, 1rem + 1.25vw, 2rem);
    --space-xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
    --space-section: clamp(4rem, 2.75rem + 6vw, 8rem);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 999px;
    --shadow-sm: 0 1px 2px rgb(19 22 32 / 0.05);
    --shadow-md: 0 8px 24px -8px rgb(19 22 32 / 0.12);

    --container: 76rem;
    --gutter: clamp(1.25rem, 0.75rem + 2.5vw, 2.5rem);
    --header-h: 4rem;
    --duration: 200ms;
    --ease: cubic-bezier(0.2, 0, 0, 1);
  }

  @media (prefers-color-scheme: dark) {
    :root {
      --color-bg: #0a0b10;
      --color-surface: #11131a;
      --color-surface-muted: #161922;
      --color-text: #f3f4f8;
      --color-text-muted: #9aa0b4;
      --color-border: #252a36;
      --color-primary: #8fa2ff;
      --color-primary-strong: #8fa2ff;
      --color-primary-soft: #161c36;
      --color-on-primary: #0a0b10;
      --color-accent-soft: #2a2412;
      --color-on-accent: #13161f;
      --color-ink: #161922;
      --color-focus: #8fa2ff;
      --color-success: #4cc79a;
      --color-error: #ff8a80;
      --shadow-sm: none;
      --shadow-md: none;
    }
  }
}

@layer base {
  body {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: var(--lh-base);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: var(--tracking-tight);
    text-wrap: balance;
  }
  h1 { font-size: var(--fs-h1); }
  h2 { font-size: var(--fs-h2); }
  h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); letter-spacing: -0.01em; }

  p { text-wrap: pretty; }

  a {
    color: var(--color-primary-strong);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
  }
  a:hover { text-decoration-thickness: 2px; }

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

  ::selection { background: var(--color-primary); color: var(--color-on-primary); }

  [id] { scroll-margin-block-start: calc(var(--header-h) + var(--space-md)); }
}

@layer layout {
  .container {
    inline-size: min(100% - 2 * var(--gutter), var(--container));
    margin-inline: auto;
  }

  .section { padding-block: var(--space-section); }
  .section--muted { background: var(--color-surface-muted); }
  .section--tight-top { padding-block-start: 0; }

  .section-head {
    display: grid;
    gap: var(--space-md);
    max-inline-size: 48rem;
    margin-block-end: var(--space-xl);
  }

  .stack > * + * { margin-block-start: var(--stack-space, var(--space-md)); }
  .stack--lg { --stack-space: var(--space-lg); }

  .grid { display: grid; gap: var(--space-md); }

  .split { display: grid; gap: var(--space-xl); }

  @media (min-width: 40em) {
    .grid--2 { grid-template-columns: repeat(2, 1fr); }
  }

  @media (min-width: 64em) {
    .grid--3 { grid-template-columns: repeat(3, 1fr); }
    .split { grid-template-columns: 1fr 1fr; align-items: start; }
    .split--center { align-items: center; }
    .split--wide-end { grid-template-columns: 5fr 7fr; }
  }
}

@layer components {
  /* Skip link */
  .skip-link {
    position: absolute;
    inset-inline-start: var(--space-md);
    inset-block-start: -10rem;
    z-index: 100;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    background: var(--color-text);
    color: var(--color-bg);
  }
  .skip-link:focus { inset-block-start: var(--space-md); }

  /* Header */
  .site-header {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--color-bg) 92%, transparent);
    border-block-end: 1px solid var(--color-border);
  }
  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-block-size: var(--header-h);
  }

  .logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.375rem;
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    text-decoration: none;
    white-space: nowrap;
  }
  .logo span { color: var(--color-primary); }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    min-block-size: 2.75rem;
    padding-inline: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    font-size: var(--fs-sm);
    font-weight: 600;
  }
  .menu-toggle svg { inline-size: 1.125rem; block-size: 1.125rem; }

  /* Mobile: full-screen popover menu */
  .site-menu {
    inset: 0;
    inline-size: 100%;
    max-inline-size: none;
    block-size: 100dvh;
    max-block-size: none;
    margin: 0;
    padding: var(--space-md) var(--gutter) var(--space-xl);
    border: 0;
    background: var(--color-bg);
    color: var(--color-text);
    overflow-y: auto;
  }
  .site-menu:popover-open {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
  }
  .site-menu__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-block-size: calc(var(--header-h) - var(--space-md));
  }
  .site-menu__list {
    display: grid;
    gap: var(--space-2xs);
  }
  .site-menu__link {
    display: block;
    padding-block: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.75rem, 1.4rem + 1.8vw, 2.25rem);
    line-height: var(--lh-snug);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    text-decoration: none;
    border-block-end: 1px solid var(--color-border);
  }
  .site-menu__link[aria-current="page"] { color: var(--color-primary); }
  .site-menu__cta {
    display: grid;
    gap: var(--space-sm);
    margin-block-start: auto;
  }

  .lang-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    inline-size: fit-content;
    min-block-size: 2.75rem;
    padding-inline: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text);
    font-size: var(--fs-sm);
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--duration) var(--ease);
  }
  .lang-switch:hover { background: var(--color-surface-muted); }
  .lang-switch svg {
    inline-size: 1.375rem;
    block-size: auto;
    border-radius: 2px;
    box-shadow: 0 0 0 1px var(--color-border);
  }

  @media (prefers-reduced-motion: no-preference) {
    .site-menu:popover-open {
      animation: menu-in var(--duration) var(--ease);
    }
  }
  @keyframes menu-in {
    from { opacity: 0; translate: 0 -0.5rem; }
  }

  /* Desktop: inline navigation (5 links + CTA need ~1200px) */
  @media (min-width: 75em) {
    .menu-toggle,
    .site-menu__top,
    .site-menu__item--home,
    .site-menu__cta .btn--secondary { display: none; }

    .site-menu,
    .site-menu:popover-open {
      position: static;
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: var(--space-lg);
      inline-size: auto;
      block-size: auto;
      padding: 0;
      background: none;
      overflow: visible;
      animation: none;
    }
    .site-menu__list {
      display: flex;
      gap: var(--space-2xs);
    }
    .site-menu__link {
      padding: var(--space-xs) var(--space-sm);
      font-family: var(--font-sans);
      font-weight: 500;
      font-size: var(--fs-sm);
      letter-spacing: 0;
      color: var(--color-text-muted);
      border: 0;
      border-radius: var(--radius-full);
      transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
    }
    .site-menu__link:hover { color: var(--color-text); background: var(--color-surface-muted); }
    .site-menu__link[aria-current="page"] { color: var(--color-text); background: var(--color-surface-muted); }
    .site-menu__cta {
      display: flex;
      margin: 0;
    }
  }
  @media (min-width: 90em) {
    .site-menu__cta .btn--secondary { display: inline-flex; }
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    min-block-size: 3rem;
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--fs-base);
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: background-color var(--duration) var(--ease), border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
  }
  .btn:active { transform: scale(0.98); }
  .btn svg { inline-size: 1.125em; block-size: 1.125em; flex: none; transition: transform var(--duration) var(--ease); }
  .btn:hover svg { transform: translateX(3px); }

  .btn--primary { background: var(--color-primary-strong); color: var(--color-on-primary); }
  .btn--primary:hover { background: color-mix(in srgb, var(--color-primary-strong) 88%, var(--color-text)); }

  .btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
  }
  .btn--secondary:hover { border-color: var(--color-text-muted); }

  .btn--accent { background: var(--color-accent); color: var(--color-on-accent); }
  .btn--accent:hover { background: color-mix(in srgb, var(--color-accent) 85%, #000); }

  .btn--sm { min-block-size: 2.75rem; padding-inline: var(--space-md); font-size: var(--fs-sm); }

  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  .btn-row > .btn { flex: 1 1 100%; }
  @media (min-width: 30em) {
    .btn-row > .btn { flex: 0 0 auto; }
  }

  /* Text helpers */
  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    inline-size: fit-content;
    padding: var(--space-2xs) var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
  }
  .eyebrow::before {
    content: "";
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background: var(--color-accent);
  }

  .lead {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: var(--color-text-muted);
    max-inline-size: 40rem;
  }
  .muted { color: var(--color-text-muted); }
  .measure { max-inline-size: 42rem; }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    text-decoration: none;
  }
  .text-link svg { inline-size: 1.125em; block-size: 1.125em; transition: transform var(--duration) var(--ease); }
  .text-link:hover svg { transform: translateX(3px); }

  /* Hero */
  .hero {
    padding-block: var(--space-xl) var(--space-section);
  }
  .hero__content {
    display: grid;
    gap: var(--space-lg);
    justify-items: start;
  }
  .hero__title { max-inline-size: 16ch; }
  .hero__title em {
    font-style: normal;
    color: var(--color-primary);
  }

  .page-hero {
    padding-block: var(--space-xl) var(--space-section);
    border-block-end: 1px solid var(--color-border);
  }
  .page-hero__content {
    display: grid;
    gap: var(--space-lg);
    justify-items: start;
    max-inline-size: 52rem;
  }

  /* Human-in-the-loop flow card */
  .flow {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
  }
  .flow__title {
    margin-block-end: var(--space-md);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .flow__list {
    display: grid;
    gap: var(--space-xs);
    counter-reset: flow;
  }
  .flow__step {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--color-surface-muted);
  }
  .flow__step::before {
    counter-increment: flow;
    content: counter(flow);
    display: grid;
    place-items: center;
    inline-size: 2rem;
    block-size: 2rem;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: var(--fs-sm);
    font-weight: 700;
  }
  .flow__step strong { display: block; font-size: var(--fs-base); }
  .flow__step span { display: block; font-size: var(--fs-sm); color: var(--color-text-muted); }
  .flow__step--human {
    background: var(--color-accent-soft);
    outline: 1px solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  }
  .flow__step--human::before {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-on-accent);
  }
  .flow__step--done::before {
    background: var(--color-primary-strong);
    border-color: var(--color-primary-strong);
    color: var(--color-on-primary);
  }

  /* Cards */
  .card {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
  }
  .card p { color: var(--color-text-muted); }
  .card__icon {
    display: grid;
    place-items: center;
    inline-size: 3rem;
    block-size: 3rem;
    margin-block-end: var(--space-xs);
    border-radius: var(--radius-lg);
    background: var(--color-primary-soft);
    color: var(--color-primary-strong);
  }
  .card__icon svg { inline-size: 1.5rem; block-size: 1.5rem; }
  .card__link { margin-block-start: auto; padding-block-start: var(--space-sm); }
  .card--link { position: relative; transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease); }
  .card--link:hover { border-color: var(--color-primary); }
  .card--link .card__link a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
  .card--featured {
    background: var(--color-primary-soft);
    border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
  }
  .card--featured .card__icon { background: var(--color-primary-strong); color: var(--color-on-primary); }

  .callout {
    padding: var(--space-lg);
    border: 1px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
    border-radius: var(--radius-xl);
    background: var(--color-primary-soft);
    font-weight: 500;
  }

  .card__tag {
    inline-size: fit-content;
    padding: var(--space-2xs) var(--space-sm);
    border-radius: var(--radius-full);
    background: var(--color-surface-muted);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--color-text-muted);
  }

  @media (min-width: 64em) {
    .bento { grid-template-columns: repeat(6, 1fr); }
    .bento > :nth-child(1) { grid-column: span 3; grid-row: span 2; }
    .bento > :nth-child(2),
    .bento > :nth-child(3) { grid-column: span 3; }
    .bento > :nth-child(1) h3 { font-size: var(--fs-h2); }
  }

  /* Check list */
  .check-list {
    display: grid;
    gap: var(--space-sm);
  }
  .check-list li {
    display: grid;
    grid-template-columns: 1.5rem 1fr;
    gap: var(--space-sm);
    align-items: start;
  }
  .check-list li::before {
    content: "";
    inline-size: 1.5rem;
    block-size: 1.5rem;
    border-radius: 50%;
    background: var(--color-primary-soft) no-repeat center / 0.875rem
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234059d6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  }
  @media (prefers-color-scheme: dark) {
    .check-list li::before {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238fa2ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
    }
  }
  .check-list--cards { gap: var(--space-xs); }
  .check-list--cards li {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    font-weight: 500;
  }

  /* Numbered principles / steps */
  .numbered {
    display: grid;
    gap: var(--space-md);
    counter-reset: num;
  }
  .numbered > li {
    counter-increment: num;
    display: grid;
    gap: var(--space-xs);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
  }
  .numbered > li::before {
    content: counter(num, decimal-leading-zero);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-h3);
    color: var(--color-primary);
  }
  .numbered p { color: var(--color-text-muted); }
  .numbered > li.numbered__highlight {
    background: var(--color-accent-soft);
    border-color: color-mix(in srgb, var(--color-accent) 55%, transparent);
  }
  .numbered > li.numbered__highlight::before { color: var(--color-on-accent); }
  @media (prefers-color-scheme: dark) {
    .numbered > li.numbered__highlight::before { color: var(--color-accent); }
  }

  /* Timeline steps */
  .steps {
    display: grid;
    gap: var(--space-md);
    counter-reset: step;
  }
  .steps > li {
    counter-increment: step;
    position: relative;
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: var(--space-xs) var(--space-md);
    padding-block-end: var(--space-md);
  }
  .steps > li::before {
    content: counter(step);
    grid-row: span 2;
    display: grid;
    place-items: center;
    inline-size: 2.5rem;
    block-size: 2.5rem;
    border-radius: 50%;
    background: var(--color-primary-strong);
    color: var(--color-on-primary);
    font-weight: 700;
  }
  .steps > li:not(:last-child)::after {
    content: "";
    position: absolute;
    inset-block: 2.75rem 0;
    inset-inline-start: calc(1.25rem - 1px);
    inline-size: 2px;
    background: var(--color-border);
  }
  .steps h3 { align-self: center; }
  .steps p { color: var(--color-text-muted); }
  .steps > li.steps__human::before {
    background: var(--color-accent);
    color: var(--color-on-accent);
  }

  /* Dark CTA block */
  .cta-block {
    display: grid;
    gap: var(--space-lg);
    justify-items: start;
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-xl);
    background: var(--color-ink);
    color: var(--color-on-ink);
    overflow: hidden;
    position: relative;
    isolation: isolate;
  }
  .cta-block::after {
    content: "";
    position: absolute;
    inset-block-start: -40%;
    inset-inline-end: -20%;
    z-index: -1;
    inline-size: 28rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgb(81 107 239 / 0.45), transparent);
  }
  .cta-block h2 { max-inline-size: 18ch; }
  .cta-block p { max-inline-size: 38rem; color: var(--color-on-ink-muted); font-size: var(--fs-lead); }
  @media (min-width: 64em) {
    .cta-block { padding: var(--space-section) var(--space-xl); }
  }

  /* Contact */
  .contact-list {
    display: grid;
    gap: var(--space-md);
  }
  .contact-list dt {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
  }
  .contact-list dd a {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-h3);
    color: var(--color-text);
    text-decoration: none;
  }
  .contact-list dd a:hover { color: var(--color-primary-strong); }

  .form {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
  }
  @media (min-width: 40em) {
    .form { grid-template-columns: 1fr 1fr; }
    .form > .field--full,
    .form > .consent,
    .form > .form__footer { grid-column: 1 / -1; }
  }
  .field { display: grid; gap: var(--space-2xs); }
  .field label { font-size: var(--fs-sm); font-weight: 600; }
  .field__hint { font-weight: 400; color: var(--color-text-muted); }
  .field input,
  .field select,
  .field textarea {
    inline-size: 100%;
    min-block-size: 3rem;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    font-size: 1rem;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  }
  .field textarea { min-block-size: 9rem; resize: vertical; }
  .field input:focus-visible,
  .field select:focus-visible,
  .field textarea:focus-visible {
    outline: none;
    border-color: var(--color-focus);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-focus) 25%, transparent);
  }
  .field :user-invalid { border-color: var(--color-error); }
  .field__error {
    font-size: var(--fs-sm);
    color: var(--color-error);
  }
  .field__error:empty { display: none; }

  .consent {
    display: grid;
    grid-template-columns: 1.25rem 1fr;
    gap: var(--space-sm);
    align-items: start;
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
  }
  .consent input {
    inline-size: 1.25rem;
    block-size: 1.25rem;
    margin: 0.125rem 0 0;
    accent-color: var(--color-primary-strong);
  }

  .form__footer { display: grid; gap: var(--space-md); justify-items: start; }
  .form__status {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
  }
  .form__status:empty { display: none; }
  .form__status[data-state="success"] { background: color-mix(in srgb, var(--color-success) 12%, transparent); color: var(--color-success); }
  .form__status[data-state="error"] { background: color-mix(in srgb, var(--color-error) 12%, transparent); color: var(--color-error); }
  .form [aria-busy="true"] { opacity: 0.7; pointer-events: none; }

  /* Prose (legal pages) */
  .prose { max-inline-size: 44rem; }
  .prose > * + * { margin-block-start: var(--space-md); }
  .prose h2 { font-size: var(--fs-h3); margin-block-start: var(--space-xl); }
  .prose ul { padding-inline-start: 1.25rem; }
  .prose li + li { margin-block-start: var(--space-xs); }

  .notice {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--color-accent-soft);
    color: var(--color-text);
    font-size: var(--fs-sm);
  }

  /* Footer */
  .site-footer {
    padding-block: var(--space-xl) var(--space-lg);
    border-block-start: 1px solid var(--color-border);
    background: var(--color-surface-muted);
    font-size: var(--fs-sm);
  }
  .site-footer__grid {
    display: grid;
    gap: var(--space-xl);
  }
  .site-footer__about { display: grid; gap: var(--space-md); max-inline-size: 26rem; }
  .site-footer__about p { color: var(--color-text-muted); }
  .site-footer__title {
    margin-block-end: var(--space-sm);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
  }
  .site-footer__links { display: grid; gap: var(--space-2xs); }
  .site-footer__links a {
    display: inline-block;
    padding-block: var(--space-2xs);
    color: var(--color-text);
    text-decoration: none;
  }
  .site-footer__links a:hover { color: var(--color-primary-strong); text-decoration: underline; }
  .site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-block-start: var(--space-xl);
    padding-block-start: var(--space-lg);
    border-block-start: 1px solid var(--color-border);
    color: var(--color-text-muted);
  }
  @media (min-width: 40em) {
    .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 64em) {
    .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  }

  /* 404 */
  .error-page {
    display: grid;
    align-content: center;
    gap: var(--space-lg);
    justify-items: start;
    min-block-size: 70dvh;
    padding-block: var(--space-section);
  }
  .error-page__code {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(5rem, 3rem + 10vw, 10rem);
    line-height: 1;
    color: var(--color-primary);
  }
}

@layer utilities {
  .visually-hidden {
    position: absolute !important;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  @media (prefers-reduced-motion: no-preference) {
    @supports (animation-timeline: view()) {
      .reveal {
        animation: reveal linear both;
        animation-timeline: view();
        animation-range: entry 0% entry 35%;
      }
    }
  }
  @keyframes reveal {
    from { opacity: 0; translate: 0 1.5rem; }
  }
}

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