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

/* ==========================================================================
   Tokens
   Palette: oxidized brass and verdigris on ink — the materials of an embassy
   plaque. Type: Bodoni Moda (engraved authority), IBM Plex Sans (institutional
   body), IBM Plex Mono (indices, labels, data).
   ========================================================================== */
:root {
  /* Tier 1 — literal */
  --ink-900: #0b1016;
  --ink-800: #0f151c;
  --ink-700: #17212b;
  --ink-600: #1d2a35;
  --ink-500: #2b3a46;
  --paper-100: #f4f5f1;
  --paper-200: #e6e7e1;
  --paper-300: #d5d7cf;
  --paper-400: #b9bcb3;
  --brass-500: #b08a3e;
  --brass-400: #c9a55c;
  --verdigris-500: #2e6b66;
  --mist-500: #8f9ba0;

  /* Tier 2 — semantic */
  --surface: var(--paper-200);
  --surface-raised: var(--paper-100);
  --surface-inverse: var(--ink-800);
  --surface-inverse-raised: var(--ink-600);
  --text: var(--ink-800);
  --text-muted: #55646f;
  --text-inverse: var(--paper-200);
  --text-inverse-muted: var(--mist-500);
  --accent: var(--brass-500);
  --accent-deep: #8d6d2f;
  --accent-alt: var(--verdigris-500);
  --rule: color-mix(in oklab, var(--ink-800) 18%, transparent);
  --rule-inverse: color-mix(in oklab, var(--paper-200) 20%, transparent);

  /* Type */
  --font-display: "Bodoni Moda", "Didot", "Playfair Display", Georgia, serif;
  --font-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --step--1: clamp(0.8rem, 0.77rem + 0.15vw, 0.875rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --step-3: clamp(1.9rem, 1.6rem + 1.5vw, 2.9rem);
  --step-4: clamp(2.4rem, 1.8rem + 3vw, 4.4rem);

  /* Space */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --measure: 68ch;
  --section-y: clamp(3.5rem, 8vw, 7rem);
  --max: 78rem;

  color-scheme: light;
  accent-color: var(--accent);
}

/* ==========================================================================
   Reset
   ========================================================================== */
@layer reset {
  html { box-sizing: border-box; -webkit-text-size-adjust: 100%; }
  html :where(*, *::before, *::after) { box-sizing: inherit; }

  :where(body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ul, ol) {
    margin: 0;
  }
  :where(ul[role="list"], ol[role="list"]) { list-style: none; padding: 0; }
  :where(img, svg, video) { display: block; max-inline-size: 100%; height: auto; }
  :where(input, button, textarea, select) { font: inherit; color: inherit; }
  :where(button) { cursor: pointer; }
}

/* ==========================================================================
   Base
   ========================================================================== */
@layer base {
  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.6;
    font-feature-settings: "kern", "liga";
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.015em;
    text-wrap: balance;
  }
  h1 { font-size: var(--step-4); }
  h2 { font-size: var(--step-3); }
  h3 { font-size: var(--step-2); }
  h4 {
    font-family: var(--font-body);
    font-size: var(--step-1);
    font-weight: 600;
    line-height: 1.25;
  }

  p { text-wrap: pretty; }

  a {
    color: inherit;
    text-decoration-color: color-mix(in oklab, currentColor 40%, transparent);
    text-underline-offset: 0.22em;
    text-decoration-thickness: from-font;
    transition: text-decoration-color 160ms ease, color 160ms ease;
  }
  a:hover:not(:disabled) { text-decoration-color: var(--accent); }

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

  ::selection { background: var(--accent); color: var(--ink-900); }

  hr {
    border: 0;
    border-top: 1px solid var(--rule);
    margin-block: 2rem;
  }

  strong { font-weight: 600; }

  blockquote {
    font-family: var(--font-display);
    font-size: var(--step-2);
    line-height: 1.28;
    border-inline-start: 2px solid var(--accent);
    padding-inline-start: 1.25rem;
    margin-block: 2rem;
  }
}

/* ==========================================================================
   Layout
   ========================================================================== */
@layer layout {
  .shell {
    inline-size: min(100% - (var(--gutter) * 2), var(--max));
    margin-inline: auto;
  }
  .shell--narrow { inline-size: min(100% - (var(--gutter) * 2), 46rem); }

  .section { padding-block: var(--section-y); }
  .section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }

  .band-dark {
    background: var(--surface-inverse);
    color: var(--text-inverse);
    --rule: var(--rule-inverse);
    --text-muted: var(--text-inverse-muted);
  }
  .band-raised { background: var(--surface-raised); }

  .stack > * + * { margin-block-start: var(--stack-gap, 1.25rem); }

  .grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
  .grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }

  /* Asymmetric editorial split: label rail + content */
  .split {
    display: grid;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    grid-template-columns: 1fr;
  }
  @media (min-width: 56rem) {
    .split { grid-template-columns: minmax(10rem, 15rem) minmax(0, 1fr); }
    .split--wide { grid-template-columns: minmax(10rem, 18rem) minmax(0, 1fr); }
  }

  .prose { max-inline-size: var(--measure); }
}

/* ==========================================================================
   Components
   ========================================================================== */
@layer components {

  /* --- Index label: the mono rail that runs through the whole site --- */
  .index-label {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
  }
  .index-label::before {
    content: "";
    inline-size: 1.75rem;
    block-size: 1px;
    background: var(--accent);
    flex: none;
    translate: 0 -0.3em;
  }
  .index-label--plain::before { content: none; }

  /* --- Header --- */
  .masthead {
    position: sticky;
    inset-block-start: 0;
    z-index: 50;
    background: color-mix(in oklab, var(--ink-800) 94%, transparent);
    color: var(--text-inverse);
    border-block-end: 1px solid var(--rule-inverse);
    backdrop-filter: blur(8px);
  }
  .masthead__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-block-size: 4.5rem;
  }
  .wordmark {
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
  }
  .wordmark__mark { color: var(--accent); }
  .wordmark__est {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    color: var(--text-inverse-muted);
  }

  .nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
  .nav__link {
    font-size: var(--step--1);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-inverse-muted);
    padding-block: 0.35rem;
    border-block-end: 1px solid transparent;
  }
  .nav__link:hover:not(:disabled),
  .nav__link[aria-current="page"] {
    color: var(--text-inverse);
    border-block-end-color: var(--accent);
  }
  @media (max-width: 60rem) {
    .nav { display: none; }
    .nav.is-open {
      display: flex;
      position: absolute;
      inset-inline: 0;
      inset-block-start: 100%;
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      background: var(--ink-800);
      padding: 1rem var(--gutter) 1.5rem;
      border-block-end: 1px solid var(--rule-inverse);
    }
    .nav.is-open .nav__link {
      inline-size: 100%;
      padding-block: 0.8rem;
      border-block-end: 1px solid var(--rule-inverse);
    }
  }

  .nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--rule-inverse);
    color: inherit;
    padding: 0.5rem 0.8rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    min-block-size: 2.5rem;
  }
  @media (max-width: 60rem) { .nav-toggle { display: block; } }

  /* --- Buttons --- */
  .btn {
    --btn-bg: var(--accent);
    --btn-fg: var(--ink-900);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-block-size: 2.9rem;
    padding: 0.7rem 1.5rem;
    background: var(--btn-bg);
    color: var(--btn-fg);
    border: 1px solid var(--btn-bg);
    font-family: var(--font-mono);
    font-size: var(--step--1);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
  }
  .btn:hover:not(:disabled) { --btn-bg: var(--accent-deep); }
  .btn--ghost {
    --btn-bg: transparent;
    --btn-fg: currentColor;
    border-color: color-mix(in oklab, currentColor 35%, transparent);
  }
  .btn--ghost:hover:not(:disabled) {
    --btn-bg: transparent;
    border-color: var(--accent);
    color: var(--accent);
  }
  .btn:disabled { opacity: 0.5; cursor: not-allowed; }

  /* --- Hero --- */
  .hero {
    background: var(--surface-inverse);
    color: var(--text-inverse);
    --rule: var(--rule-inverse);
    --text-muted: var(--text-inverse-muted);
    padding-block: clamp(4rem, 11vw, 8.5rem) clamp(3rem, 7vw, 5.5rem);
    position: relative;
    overflow: hidden;
  }
  /* Faint meridian grid — cartographic, not decorative gradient */
  .hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(to right, var(--rule-inverse) 1px, transparent 1px),
      linear-gradient(to bottom, var(--rule-inverse) 1px, transparent 1px);
    background-size: 7rem 7rem;
    opacity: 0.35;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 80% 60% at 70% 20%, #000 20%, transparent 75%);
  }
  .hero > * { position: relative; z-index: 1; }

  .hero__title { margin-block: 1.5rem 0; }
  .hero__title em {
    font-style: italic;
    color: var(--accent);
  }
  .hero__lede {
    font-size: var(--step-1);
    line-height: 1.5;
    color: var(--text-inverse-muted);
    max-inline-size: 46ch;
    margin-block-start: 1.75rem;
  }
  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-block-start: 2.5rem;
  }

  /* Dispatch strip — the firm's operating facts, set as a ledger not a stat row */
  .dispatch {
    margin-block-start: clamp(3rem, 7vw, 5rem);
    border-block-start: 1px solid var(--rule-inverse);
    display: grid;
    gap: 0;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  }
  .dispatch__item {
    padding: 1.5rem 1.5rem 1.5rem 0;
    border-inline-end: 1px solid var(--rule-inverse);
  }
  .dispatch__item:last-child { border-inline-end: 0; }
  @media (min-width: 40rem) {
    .dispatch__item { padding-inline-start: 1.5rem; }
    .dispatch__item:first-child { padding-inline-start: 0; }
  }
  .dispatch__key {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
  }
  .dispatch__value {
    font-family: var(--font-display);
    font-size: var(--step-1);
    line-height: 1.25;
    margin-block-start: 0.5rem;
  }

  /* --- Page header (interior pages) --- */
  .page-head {
    background: var(--surface-inverse);
    color: var(--text-inverse);
    --rule: var(--rule-inverse);
    --text-muted: var(--text-inverse-muted);
    padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem);
  }
  .page-head__title { margin-block-start: 1.25rem; }
  .page-head__sub {
    font-size: var(--step-1);
    color: var(--text-inverse-muted);
    max-inline-size: 52ch;
    margin-block-start: 1.25rem;
  }

  /* --- Breadcrumbs --- */
  .crumbs {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
  }
  .crumbs li:not(:last-child)::after { content: " ·"; color: var(--accent); }
  .crumbs a { text-decoration: none; }

  /* --- Cards --- */
  .card {
    display: block;
    padding-block: 1.75rem;
    border-block-start: 1px solid var(--rule);
    text-decoration: none;
    position: relative;
    transition: border-color 180ms ease;
  }
  a.card:hover:not(:disabled) { border-block-start-color: var(--accent); }
  .card__index {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    color: var(--accent);
  }
  .card__title {
    font-family: var(--font-display);
    font-size: var(--step-2);
    line-height: 1.15;
    margin-block: 0.75rem 0.6rem;
  }
  .card__text { color: var(--text-muted); font-size: var(--step-0); }
  .card__meta {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-block-start: 1rem;
  }
  a.card .card__title { transition: color 180ms ease; }
  a.card:hover:not(:disabled) .card__title { color: var(--accent); }

  /* --- Capacity vessel: the signature diagram --- */
  .vessel {
    display: grid;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
    grid-template-columns: 1fr;
  }
  @media (min-width: 56rem) {
    .vessel { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  }
  .vessel__figure {
    border: 1px solid var(--rule);
    background: color-mix(in oklab, var(--ink-900) 4%, transparent);
    padding: clamp(1rem, 3vw, 2rem);
  }
  .band-dark .vessel__figure {
    background: color-mix(in oklab, var(--paper-200) 4%, transparent);
  }
  .vessel__svg { inline-size: 100%; block-size: auto; }
  .vessel__controls {
    margin-block-start: 1.5rem;
    border-block-start: 1px solid var(--rule);
    padding-block-start: 1.25rem;
  }
  .vessel__slider {
    inline-size: 100%;
    margin-block-start: 0.75rem;
    accent-color: var(--accent);
    min-block-size: 1.75rem;
  }
  .vessel__readout {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .vessel__state { color: var(--accent); font-weight: 500; }
  .vessel__note {
    font-size: var(--step--1);
    color: var(--text-muted);
    margin-block-start: 0.75rem;
    min-block-size: 3em;
  }

  /* --- Process ladder --- */
  .ladder { border-block-start: 1px solid var(--rule); }
  .ladder__step {
    display: grid;
    gap: 0.75rem 2rem;
    padding-block: clamp(1.75rem, 4vw, 2.75rem);
    border-block-end: 1px solid var(--rule);
    grid-template-columns: 1fr;
  }
  @media (min-width: 48rem) {
    .ladder__step { grid-template-columns: 4rem minmax(0, 1fr) minmax(0, 1.3fr); }
  }
  .ladder__num {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.12em;
    color: var(--accent);
    padding-block-start: 0.4rem;
  }
  .ladder__name { font-family: var(--font-display); font-size: var(--step-2); line-height: 1.15; }
  .ladder__text { color: var(--text-muted); }

  /* --- Quote --- */
  .testimony {
    border-block: 1px solid var(--rule);
    padding-block: clamp(2rem, 5vw, 3.5rem);
  }
  .testimony__quote {
    font-family: var(--font-display);
    font-size: var(--step-2);
    line-height: 1.32;
    max-inline-size: 40ch;
  }
  .testimony__by {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-block-start: 1.5rem;
  }

  /* --- Rich text from the CMS --- */
  .rich { max-inline-size: var(--measure); }
  .rich > * + * { margin-block-start: 1.35rem; }
  .rich h2 { font-size: var(--step-2); margin-block-start: 2.75rem; }
  .rich h3 { font-size: var(--step-1); font-family: var(--font-body); font-weight: 600; margin-block-start: 2rem; }
  .rich ul, .rich ol { padding-inline-start: 1.4rem; }
  .rich li + li { margin-block-start: 0.5rem; }
  .rich a { color: var(--accent-deep); }
  .band-dark .rich a { color: var(--accent); }
  .rich img { margin-block: 2rem; border: 1px solid var(--rule); }
  .rich code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: color-mix(in oklab, var(--ink-900) 8%, transparent);
    padding: 0.15em 0.4em;
  }
  .rich table { inline-size: 100%; border-collapse: collapse; font-size: var(--step--1); }
  .rich th, .rich td { text-align: start; padding: 0.7rem; border-block-end: 1px solid var(--rule); }
  .rich th { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }

  /* --- FAQ --- */
  .faq__item {
    border-block-end: 1px solid var(--rule);
  }
  .faq__q {
    font-family: var(--font-body);
    font-size: var(--step-1);
    font-weight: 600;
    padding-block: 1.35rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: baseline;
    list-style: none;
  }
  .faq__q::-webkit-details-marker { display: none; }
  .faq__q::after {
    content: "+";
    font-family: var(--font-mono);
    color: var(--accent);
    flex: none;
  }
  .faq__item[open] .faq__q::after { content: "−"; }
  .faq__a { padding-block-end: 1.5rem; color: var(--text-muted); max-inline-size: var(--measure); }

  /* --- Forms --- */
  .field { display: block; margin-block-end: 1.5rem; }
  .field__label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-block-end: 0.5rem;
  }
  .field__req { color: var(--accent); }
  .field__input,
  .field__textarea,
  .field__select {
    inline-size: 100%;
    padding: 0.85rem 1rem;
    background: var(--surface-raised);
    border: 1px solid var(--rule);
    border-radius: 0;
    font-size: var(--step-0);
    min-block-size: 2.9rem;
    transition: border-color 160ms ease;
  }
  .band-dark :is(.field__input, .field__textarea, .field__select) {
    background: color-mix(in oklab, var(--paper-200) 6%, transparent);
    color: var(--text-inverse);
  }
  .field__textarea { resize: vertical; min-block-size: 9rem; line-height: 1.55; }
  :is(.field__input, .field__textarea, .field__select):hover:not(:disabled) {
    border-color: color-mix(in oklab, var(--accent) 50%, var(--rule));
  }
  :is(.field__input, .field__textarea):user-invalid {
    border-color: #a4402f;
  }
  :is(.field__input, .field__textarea):user-valid {
    border-color: color-mix(in oklab, var(--accent-alt) 60%, var(--rule));
  }
  .field__error {
    display: block;
    font-size: var(--step--1);
    color: #a4402f;
    margin-block-start: 0.4rem;
  }
  .band-dark .field__error { color: #e08a78; }
  .field__hint { display: block; font-size: var(--step--1); color: var(--text-muted); margin-block-start: 0.4rem; }
  .honeypot {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .notice {
    padding: 1.25rem 1.5rem;
    border-inline-start: 3px solid var(--accent-alt);
    background: color-mix(in oklab, var(--accent-alt) 8%, transparent);
    margin-block-end: 2rem;
  }
  .notice--error {
    border-inline-start-color: #a4402f;
    background: color-mix(in oklab, #a4402f 8%, transparent);
  }

  /* --- Footer --- */
  .colophon {
    background: var(--ink-900);
    color: var(--text-inverse-muted);
    --rule: var(--rule-inverse);
    padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
    font-size: var(--step--1);
  }
  .colophon a { text-decoration: none; }
  .colophon a:hover:not(:disabled) { color: var(--accent); }
  .colophon__grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  }
  .colophon__head {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-block-end: 1rem;
  }
  .colophon__list { list-style: none; padding: 0; display: grid; gap: 0.6rem; }
  .colophon__base {
    margin-block-start: 3rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--rule-inverse);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  /* --- Pagination --- */
  .pager {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    margin-block-start: 3rem;
    padding-block-start: 1.5rem;
    border-block-start: 1px solid var(--rule);
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .skip-link {
    position: absolute;
    inset-block-start: -100%;
    inset-inline-start: 1rem;
    z-index: 100;
    background: var(--accent);
    color: var(--ink-900);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
  }
  .skip-link:focus { inset-block-start: 1rem; }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
@layer utilities {
  .muted { color: var(--text-muted); }
  .mono {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .lede { font-size: var(--step-1); line-height: 1.5; color: var(--text-muted); }
  .visually-hidden {
    position: absolute;
    inline-size: 1px; block-size: 1px;
    overflow: hidden; clip-path: inset(50%); white-space: nowrap;
  }
  .mt-0 { margin-block-start: 0; }
  .mt-1 { margin-block-start: 1rem; }
  .mt-2 { margin-block-start: 2rem; }
  .mt-3 { margin-block-start: 3rem; }
}

/* ==========================================================================
   Motion — a single orchestrated reveal, not scattered effects
   ========================================================================== */
/* Motion is deliberately limited to hover and control feedback. A scroll-driven
   reveal was tried and removed: it renders content invisible until the timeline
   attaches, which fails on full-page capture, in print, and anywhere the
   animation does not run. Content on this site is never hidden behind motion. */

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

/* Forced colors: our rules and accents are conveyed by borders, so map them
   to system colors rather than losing them entirely. */
@media (forced-colors: active) {
  .btn { border: 1px solid ButtonText; }
  .card, .ladder__step, .faq__item { border-color: CanvasText; }
  .index-label::before { background: CanvasText; }
}

@media print {
  .masthead, .colophon, .vessel__controls, .btn { display: none; }
  body { background: #fff; color: #000; }
}