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

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, p { margin: 0; }
  img, svg { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
}

@layer base {
  :root {
    --ink: #080b0f;
    --surface: #0e1318;
    --surface-2: #141a20;
    --acid: #c8ff35;
    --cyan: #55e6ff;
    --white: #f3f6f1;
    --muted: #a5adb0;
    --line: rgba(255,255,255,.13);
    --shell: min(960px, calc(100vw - 3rem));
    --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
    --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }
  html { color: var(--white); background: var(--ink); font-family: var(--body); font-size: 100%; }
  body { min-width: 320px; min-height: 100vh; overflow-x: hidden; background: radial-gradient(circle at 88% 8%, rgba(85,230,255,.1), transparent 28rem), var(--ink); }
  ::selection { color: var(--ink); background: var(--acid); }
  :focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
  p, li { color: var(--muted); font-size: 1rem; line-height: 1.75; }
}

@layer layout {
  .shell { width: var(--shell); margin-inline: auto; }
  .page-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(8,11,15,.84); backdrop-filter: blur(18px); }
  .header-inner { min-height: 5.4rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
  .brand img { width: clamp(9.5rem, 16vw, 11.5rem); height: auto; }
  .header-actions { display: flex; align-items: center; gap: 1rem; }
  .document { padding-block: clamp(4.5rem, 9vw, 8rem); }
  .document-hero { position: relative; padding-bottom: clamp(3rem, 7vw, 5.5rem); border-bottom: 1px solid var(--line); }
  .document-grid { display: grid; grid-template-columns: minmax(12rem,.38fr) minmax(0,1fr); gap: clamp(2.5rem, 7vw, 6rem); padding-top: clamp(3rem, 6vw, 5rem); }
  .document-index { position: sticky; top: 8rem; align-self: start; }
  .document-content { display: grid; gap: 2.8rem; }
  .document-section { scroll-margin-top: 7rem; }
  .page-footer { border-top: 1px solid var(--line); }
  .footer-inner { min-height: 7rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
  .error-page { min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; background: radial-gradient(circle at 72% 42%, rgba(200,255,53,.11), transparent 30rem), var(--ink); }
  .error-main { width: var(--shell); margin-inline: auto; display: grid; grid-template-columns: .72fr 1fr; align-items: center; gap: clamp(2rem, 8vw, 8rem); padding-block: 4rem; }
}

@layer components {
  .skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; transform: translateY(-200%); color: var(--ink); background: var(--acid); padding: .7rem 1rem; font-weight: 800; }
  .skip-link:focus { transform: translateY(0); }
  .home-link, .contact-link { min-height: 2.9rem; display: inline-flex; align-items: center; justify-content: center; gap: .55rem; border: 1px solid var(--line); padding: .72rem 1rem; font-size: .84rem; font-weight: 800; transition: color .2s, border-color .2s, background .2s; }
  .contact-link { color: var(--ink); background: var(--acid); border-color: var(--acid); }
  .home-link:hover { color: var(--acid); border-color: var(--acid); }
  .contact-link:hover { background: #d8ff71; }
  .kicker { display: flex; align-items: center; gap: .75rem; color: var(--acid); font-size: .76rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 1.5rem; }
  .kicker::before { content: ""; width: 2rem; height: 2px; background: var(--acid); }
  h1, h2, h3 { font-family: var(--display); text-transform: uppercase; }
  h1 { max-width: 60rem; font-size: clamp(3.1rem, 8vw, 7.3rem); line-height: .92; letter-spacing: -.06em; }
  h1 em { color: var(--acid); font-style: normal; }
  .document-summary { max-width: 44rem; margin-top: 1.7rem; color: #c6ccce; font-size: 1.1rem; }
  .updated { display: inline-flex; margin-top: 2rem; color: var(--cyan); font-size: .8rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
  .document-index strong { display: block; color: var(--white); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; margin-bottom: 1rem; }
  .document-index ol { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; counter-reset: index; }
  .document-index li { counter-increment: index; }
  .document-index a { display: grid; grid-template-columns: 1.7rem 1fr; gap: .35rem; color: var(--muted); font-size: .86rem; line-height: 1.4; }
  .document-index a::before { content: counter(index, decimal-leading-zero); color: var(--acid); font-size: .68rem; font-weight: 800; }
  .document-index a:hover { color: var(--white); }
  .document-section h2 { color: var(--white); font-size: clamp(1.65rem, 3vw, 2.3rem); letter-spacing: -.025em; margin-bottom: 1rem; }
  .document-section h3 { color: var(--cyan); font-size: 1rem; letter-spacing: .02em; margin: 1.7rem 0 .6rem; }
  .document-section p + p { margin-top: .85rem; }
  .document-section ul { display: grid; gap: .55rem; padding-left: 1.25rem; }
  .document-section a { color: var(--acid); text-decoration: underline; text-underline-offset: .2rem; }
  .notice { padding: 1.4rem; border: 1px solid rgba(200,255,53,.32); border-left: 3px solid var(--acid); background: var(--surface); }
  .footer-inner p { font-size: .8rem; }
  .footer-links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
  .footer-links a, .footer-links button { color: #c7cdd0; background: transparent; border: 0; padding: 0; cursor: pointer; font: 750 .8rem var(--body); text-decoration: underline; text-underline-offset: .25rem; }
  .analytics-consent { position: fixed; z-index: 100; left: 50%; bottom: 1rem; width: min(64rem, calc(100vw - 2rem)); display: none; grid-template-columns: minmax(0,1fr) auto; gap: 2rem; align-items: center; transform: translateX(-50%); color: var(--white); background: rgba(14,19,24,.98); border: 1px solid rgba(200,255,53,.42); border-top: 3px solid var(--acid); border-radius: .75rem; padding: 1.25rem; box-shadow: 0 1.5rem 5rem rgba(0,0,0,.52); }
  .analytics-consent.is-visible { display: grid; }
  .analytics-consent strong { display: block; margin-bottom: .35rem; }
  .analytics-consent p { margin: 0 0 .35rem; font-size: .83rem; line-height: 1.5; }
  .analytics-consent a { color: var(--acid); font-size: .78rem; font-weight: 750; text-decoration: underline; }
  .analytics-consent-actions { display: flex; gap: .6rem; }
  .analytics-consent button { min-height: 2.85rem; border: 1px solid var(--line); padding: .65rem .85rem; color: var(--white); background: transparent; cursor: pointer; font-size: .78rem; font-weight: 800; }
  .analytics-consent [data-analytics-accept] { color: var(--ink); background: var(--acid); border-color: var(--acid); }
  .error-code { color: transparent; font: 900 clamp(8rem, 24vw, 18rem)/.75 var(--display); letter-spacing: -.08em; -webkit-text-stroke: 2px var(--acid); text-shadow: 0 0 4rem rgba(200,255,53,.18); }
  .error-copy h1 { max-width: 42rem; font-size: clamp(3.1rem, 7vw, 6.5rem); }
  .error-copy p { max-width: 36rem; margin: 1.4rem 0 2rem; font-size: 1.08rem; }
  .error-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
}

@layer utilities {
  @media (max-width: 760px) {
    :root { --shell: min(100% - 2rem, 960px); }
    .header-actions .contact-link { display: none; }
    .document-grid, .error-main { grid-template-columns: 1fr; }
    .document-index { position: static; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
    .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1.5rem; }
    .error-main { align-content: center; gap: 3rem; }
    .error-code { font-size: clamp(8rem, 42vw, 13rem); }
    .analytics-consent { grid-template-columns: 1fr; gap: 1rem; }
    .analytics-consent-actions { flex-direction: column-reverse; }
    .analytics-consent button { width: 100%; }
  }

  @media (max-width: 390px) {
    :root { --shell: min(100% - 1.5rem, 960px); }
    h1, .error-copy h1 { font-size: clamp(2.55rem, 13vw, 3.5rem); }
    .home-link { padding-inline: .8rem; }
    .error-actions { flex-direction: column; }
    .error-actions a { width: 100%; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  }
}