/* ===========================================================================
   AppSec Rating RU — core sheet
   Tokens, faces, reset, page shell, masthead, colophon, controls.
   Palette is lifted from the project reference: lime signal on near-black,
   set against warm paper rather than a dark page.
   =========================================================================== */

@font-face {
  font-family: 'Geologica';
  src: url('../fonts/geologica-cyrillic.woff2') format('woff2');
  font-weight: 300 700; font-style: normal; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Geologica';
  src: url('../fonts/geologica-latin.woff2') format('woff2');
  font-weight: 300 700; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2116, U+2192, U+2212, U+2215;
}
@font-face {
  font-family: 'Commissioner';
  src: url('../fonts/commissioner-cyrillic.woff2') format('woff2');
  font-weight: 400 700; font-style: normal; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Commissioner';
  src: url('../fonts/commissioner-latin.woff2') format('woff2');
  font-weight: 400 700; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2116, U+2192, U+2212, U+2215;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/plex-mono-cyrillic.woff2') format('woff2');
  font-weight: 400 500; font-style: normal; font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: 'Plex Mono';
  src: url('../fonts/plex-mono-latin.woff2') format('woff2');
  font-weight: 400 500; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2116, U+2192, U+2212, U+2215;
}

:root {
  /* --- ink and ground ------------------------------------------------- */
  --ar-coal:      #16181A;
  --ar-coal-lift: #22262A;
  --ar-ink:       #16181A;
  --ar-ink-soft:  #3A3D40;
  --ar-ink-mute:  #6B7075;
  --ar-paper:     #F6F6F3;
  --ar-paper-2:   #EDEEE9;
  --ar-sheet:     #FFFFFF;
  --ar-rule:      #E3E4DF;
  --ar-rule-firm: #D3D5CD;

  /* --- signal --------------------------------------------------------- */
  --ar-lime:      #C9F24D;
  --ar-lime-deep: #94AF3E;
  --ar-lime-wash: #F0F9D9;
  --ar-on-lime:   #16181A;

  /* on coal grounds */
  --ar-paper-dim: #9AA0A4;
  --ar-rule-dim:  #2E3338;

  /* --- geometry ------------------------------------------------------- */
  --ar-r-lg:   20px;
  --ar-r-md:   12px;
  --ar-r-sm:   8px;
  --ar-r-pill: 999px;
  --ar-hold:   1180px;
  --ar-gut:    1.25rem;

  /* --- depth: layered, tinted, never a flat drop ---------------------- */
  --ar-lift-1: 0 1px 1px rgba(22,24,26,.04), 0 3px 8px -4px rgba(22,24,26,.10);
  --ar-lift-2: 0 1px 2px rgba(22,24,26,.05), 0 14px 30px -16px rgba(38,44,26,.22);
  --ar-lift-3: 0 2px 4px rgba(22,24,26,.06), 0 34px 64px -28px rgba(30,36,20,.34);

  /* --- faces ---------------------------------------------------------- */
  --ar-face-display: 'Geologica', 'Segoe UI', system-ui, sans-serif;
  --ar-face-text:    'Commissioner', 'Segoe UI', system-ui, sans-serif;
  --ar-face-data:    'Plex Mono', ui-monospace, 'Cascadia Mono', monospace;

  /* --- motion --------------------------------------------------------- */
  --ar-spring: cubic-bezier(.22,.9,.24,1);
  --ar-quick:  160ms var(--ar-spring);
  --ar-easy:   280ms var(--ar-spring);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ar-paper);
  color: var(--ar-ink);
  font-family: var(--ar-face-text);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--ar-face-display);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(1.95rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.35rem); }
h3 { font-size: clamp(1.12rem, 2vw, 1.32rem); letter-spacing: -0.02em; }
h4 { font-size: 1.03rem; letter-spacing: -0.01em; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration-color: var(--ar-lime-deep); text-underline-offset: .18em; }
a:hover { text-decoration-color: var(--ar-ink); }
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--ar-lime-deep);
  outline-offset: 3px;
  border-radius: var(--ar-r-sm);
}

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

.ar-jump {
  position: absolute; left: -9999px; top: 0; z-index: 99;
  background: var(--ar-coal); color: var(--ar-paper);
  padding: .7rem 1.1rem; border-radius: 0 0 var(--ar-r-md) 0;
  font-size: .9rem;
}
.ar-jump:focus { left: 0; }

.ar-hold {
  width: 100%;
  max-width: var(--ar-hold);
  margin-inline: auto;
  padding-inline: var(--ar-gut);
}

/* --- shared section rhythm -------------------------------------------- */
.ar-slab { padding-block: clamp(3rem, 7vw, 5.5rem); }
.ar-slab-tight { padding-block: clamp(2.25rem, 4.5vw, 3.25rem); }
.ar-slab-sunk { background: var(--ar-paper-2); }
.ar-slab-coal { background: var(--ar-coal); color: #C6CBCE; }
.ar-slab-coal h2, .ar-slab-coal h3, .ar-slab-coal h4 { color: var(--ar-paper); }
.ar-slab-coal a { text-decoration-color: var(--ar-lime); }
.ar-slab-coal strong { color: var(--ar-paper); }

/* --- section marker: a label, not an ornament ------------------------- */
.ar-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  margin: 0 0 1rem;
  font-family: var(--ar-face-data);
  font-size: .72rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ar-ink-mute);
}
.ar-tag::before {
  content: ''; width: 7px; height: 7px; border-radius: 2px;
  background: var(--ar-lime-deep); flex: none;
}
.ar-slab-coal .ar-tag { color: var(--ar-paper-dim); }
.ar-slab-coal .ar-tag::before { background: var(--ar-lime); }

.ar-lede {
  font-size: clamp(1.06rem, 1.5vw, 1.22rem);
  line-height: 1.62;
  color: var(--ar-ink-soft);
  max-width: 62ch;
}
.ar-slab-coal .ar-lede { color: #C6CBCE; }

.ar-deck { max-width: 68ch; }


/* --- definition rows: a key/value pair used by both the ranking and guides --- */
.ar-defs {
  margin: 1.5rem 0; padding: 0;
  border-top: 1px solid var(--ar-rule);
  display: grid;
}
.ar-defs > div {
  display: grid; gap: .15rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--ar-rule);
}
.ar-defs dt {
  font-family: var(--ar-face-data);
  font-size: .72rem; letter-spacing: .06em;
  color: var(--ar-lime-deep);
}
.ar-defs dd { margin: 0; font-size: .93rem; line-height: 1.62; color: var(--ar-ink-soft); }

/* --- controls ---------------------------------------------------------- */
.ar-act {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .74rem 1.35rem;
  border: 1px solid transparent; border-radius: var(--ar-r-pill);
  font-family: var(--ar-face-text); font-size: .94rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: transform var(--ar-quick), background-color var(--ar-quick),
              border-color var(--ar-quick), box-shadow var(--ar-quick), color var(--ar-quick);
}
.ar-act-lime { background: var(--ar-lime); color: var(--ar-on-lime); box-shadow: var(--ar-lift-1); }
.ar-act-lime:hover { background: #D4F869; transform: translateY(-2px); box-shadow: var(--ar-lift-2); }
.ar-act-lime:active { transform: translateY(0); }

.ar-act-line { border-color: var(--ar-rule-firm); color: var(--ar-ink); background: transparent; }
.ar-act-line:hover { border-color: var(--ar-ink); transform: translateY(-2px); }
.ar-act-line:active { transform: translateY(0); }

.ar-slab-coal .ar-act-line { border-color: #3B4146; color: var(--ar-paper); }
.ar-open .ar-act-line { border-color: #3B4146; color: var(--ar-paper); }
.ar-open .ar-act-line:hover { border-color: var(--ar-lime); }
.ar-slab-coal .ar-act-line:hover { border-color: var(--ar-lime); }

/* ============================= masthead ================================ */
.ar-masthead {
  position: sticky; top: 0; z-index: 40;
  background: rgba(246,246,243,.97);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--ar-rule);
}
.ar-masthead .ar-hold {
  position: relative;
  display: flex; align-items: center; gap: 1rem;
  min-height: 68px;
}

.ar-sig { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; margin-right: auto; }
.ar-sig img { width: 34px; height: 34px; flex: none; }
.ar-sig-name {
  display: block;
  font-family: var(--ar-face-display);
  font-size: 1.02rem; font-weight: 600; letter-spacing: -0.025em;
  line-height: 1.1; color: var(--ar-ink);
}
.ar-sig-role {
  display: block;
  font-family: var(--ar-face-data);
  font-size: .57rem; font-weight: 400; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ar-ink-mute); margin-top: .2rem;
}

.ar-burger {
  width: 42px; height: 42px; flex: none;
  display: grid; place-content: center; gap: 5px;
  background: transparent; border: 1px solid var(--ar-rule-firm);
  border-radius: var(--ar-r-md); cursor: pointer;
  transition: border-color var(--ar-quick);
}
.ar-burger:hover { border-color: var(--ar-ink); }
.ar-burger i { display: block; width: 17px; height: 1.8px; background: var(--ar-ink); border-radius: 2px; }

.ar-routes {
  position: absolute; inset-inline: 0; top: 100%;
  display: none; flex-direction: column;
  padding: .85rem var(--ar-gut) 1.25rem;
  background: var(--ar-paper);
  border-bottom: 1px solid var(--ar-rule);
  box-shadow: var(--ar-lift-2);
}
.ar-routes[data-open='true'] { display: flex; }
.ar-routes ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ar-routes a {
  display: block; padding: .58rem .2rem;
  font-size: .96rem; text-decoration: none; color: var(--ar-ink-soft);
  border-radius: var(--ar-r-sm);
  transition: color var(--ar-quick);
}
.ar-routes a:hover { color: var(--ar-ink); }
.ar-routes a.ar-here { color: var(--ar-ink); font-weight: 600; }
.ar-routes .ar-act { margin-top: .7rem; justify-content: center; }

/* ============================= colophon =============================== */
.ar-colophon {
  background: var(--ar-coal);
  color: #C6CBCE;
  padding-top: clamp(2.5rem, 5vw, 4rem);
  font-size: .93rem;
}
.ar-colophon-top {
  display: grid; gap: 2.25rem;
  padding-bottom: 2.5rem;
}
.ar-colophon img { width: 250px; height: 47px; }
.ar-colophon-say { margin: 1rem 0 .9rem; max-width: 46ch; line-height: 1.68; }
.ar-colophon-mail { font-family: var(--ar-face-data); font-size: .76rem; overflow-wrap: break-word; }
.ar-colophon-mail a { color: var(--ar-lime); text-decoration: none; }
.ar-colophon-mail a:hover { text-decoration: underline; }
.ar-colophon h2 {
  font-family: var(--ar-face-data);
  font-size: .72rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ar-paper-dim); margin-bottom: .9rem;
}
.ar-colophon ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .48rem; }
.ar-colophon ul a { text-decoration: none; color: #C6CBCE; transition: color var(--ar-quick); }
.ar-colophon ul a:hover { color: var(--ar-lime); }
.ar-colophon-foot {
  border-top: 1px solid var(--ar-rule-dim);
  padding-block: 1.35rem 1.75rem;
  display: grid; gap: .6rem;
  font-size: .84rem; color: #8E9599;
}
.ar-colophon-foot p { margin: 0; }

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

/* =============================== 768+ ================================= */
@media (min-width: 768px) {
  :root { --ar-gut: 2rem; }

  .ar-burger { display: none; }

  .ar-routes {
    position: static; display: flex; flex-direction: row; align-items: center; gap: 1.3rem;
    padding: 0; background: none; border: 0; box-shadow: none;
  }
  .ar-routes ul { flex-direction: row; gap: 1.3rem; }
  .ar-routes a { padding: .2rem 0; font-size: .89rem; position: relative; }
  .ar-routes ul a::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -.4rem; height: 2px;
    background: var(--ar-lime-deep); border-radius: 2px;
    transform: scaleX(0); transform-origin: left;
    transition: transform var(--ar-easy);
  }
  .ar-routes ul a:hover::after { transform: scaleX(1); }
  .ar-routes ul a.ar-here::after { transform: scaleX(1); }
  .ar-routes .ar-act { margin-top: 0; }

  .ar-defs > div { grid-template-columns: 15rem 1fr; gap: 1.5rem; align-items: baseline; }

  .ar-colophon-top { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
  .ar-colophon-foot { grid-template-columns: 1fr auto; align-items: baseline; gap: 2rem; }
}

/* Reveal-on-scroll is opt-in from JS: without the root flag the blocks simply
   render, so the page never depends on script to be legible. */
.ar-can-rise [data-rise] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ar-spring), transform 520ms var(--ar-spring);
}
.ar-can-rise [data-rise].ar-risen { opacity: 1; transform: none; }