/* ==========================================================================
   RivalsScripts — main.css
   Tactical HUD design system: graphite base, tactical-orange accent,
   sharp 3px corners, uppercase mono labels. Class prefix intentionally
   distinct from other network themes.
   ========================================================================== */

/* --- Design tokens ------------------------------------------------------- */
:root {
  --bg-base:      #0A0C0E;   /* графитово-чёрный */
  --bg-card:      #14171B;   /* стальной серый — карточки */
  --bg-code:      #08090B;   /* самый тёмный — код/файлы */
  --bg-elevated:  #1B1F24;   /* приподнятые элементы (hover, поля) */
  --accent:       #FF6B00;   /* тактический оранжевый */
  --accent-dim:   #7C3402;   /* тёмно-ржавый для бейджей */
  --accent-soft:  rgba(255, 107, 0, 0.10);
  --text-primary: #F5F5F0;   /* тёплый почти белый */
  --text-muted:   #6E7681;   /* серый */
  --text-dim:     #444B54;   /* приглушённый */
  --border:       #262B31;   /* стальная граница */
  --ok:           #4ADE80;   /* «работает» */

  --font-display: 'Chakra Petch', 'PT Sans Narrow', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:    'Ubuntu Mono', 'Consolas', 'SFMono-Regular', ui-monospace, monospace;

  --radius:       3px;       /* самый острый угол в сетке */
  --radius-sm:    2px;
  --wrap:         1120px;
  --gap:          24px;
  --header-h:     64px;
}

/* --- Fonts (self-hosted) ------------------------------------------------- */
/* Chakra Petch (display) — только latin/latin-ext (кириллицы у шрифта нет,
   кириллические заголовки падают на Manrope через var(--font-display)) */
@font-face {
  font-family: 'Chakra Petch';
  src: url('../fonts/ChakraPetch-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Chakra Petch';
  src: url('../fonts/ChakraPetch-Bold-ext.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Manrope (body) — latin + cyrillic */
@font-face {
  font-family: 'Manrope';
  src: url('../fonts/Manrope-Regular.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+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  src: url('../fonts/Manrope-Regular-ext.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  src: url('../fonts/Manrope-Regular-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;
}
/* Ubuntu Mono (таймеры, ID файлов) — latin/digits */
@font-face {
  font-family: 'Ubuntu Mono';
  src: url('../fonts/UbuntuMono-Medium.woff2') format('woff2');
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+2074, U+20AC, U+2122, U+FEFF, U+FFFD;
}

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

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

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* лёгкий HUD-градиент фона */
  background-image:
    radial-gradient(1200px 400px at 50% -120px, rgba(255,107,0,0.05), transparent 70%);
  background-repeat: no-repeat;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--accent); color: var(--bg-base); }

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

/* --- Typography ---------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 5vw, 3.1rem); text-transform: uppercase; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.15rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

strong { color: var(--text-primary); font-weight: 700; }

.mono { font-family: var(--font-mono); }

.eyebrow,
.section__eyebrow,
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.section__eyebrow::before,
.hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 8px;
  vertical-align: 1px;
  background: var(--accent);
}

/* --- Layout -------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding: clamp(40px, 7vw, 76px) 0;
  border-top: 1px solid var(--border);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.section:first-of-type { border-top: 0; }
.section__title { margin-bottom: 12px; }
.section__intro {
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: 28px;
}
.section__updated {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  margin: -6px 0 20px;
}
.section__updated::before { content: "● "; color: var(--ok); }

/* anchor targets (headings used directly as targets) */
[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

.lead { font-size: 1.12rem; color: var(--text-primary); }
.muted { color: var(--text-muted); }

/* --- Site header / nav --------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 12, 14, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header::after { /* тонкая оранжевая HUD-линия */
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0.5;
}
.nav {
  max-width: var(--wrap);
  margin-inline: auto;
  height: var(--header-h);
  padding-inline: 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  white-space: nowrap;
}
.nav-logo:hover { text-decoration: none; color: var(--accent); }
.nav-logo b { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.nav-burger {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 1.2rem;
  line-height: 1;
  width: 42px; height: 40px;
  cursor: pointer;
}
.nav-burger:hover { border-color: var(--accent); }

/* минимальная шапка на gate-страницах */
.site-header--minimal .nav { justify-content: center; }
.site-header--minimal .nav-logo { margin-inline: auto; }

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  padding: clamp(48px, 9vw, 104px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}
.hero::before { /* тонкая сетка-HUD за героем */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.14;
  -webkit-mask-image: radial-gradient(600px 300px at 30% 20%, #000, transparent 75%);
          mask-image: radial-gradient(600px 300px at 30% 20%, #000, transparent 75%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero__title { margin-bottom: 16px; }
.hero__title .accent { color: var(--accent); }
.hero__sub {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  color: var(--text-muted);
  max-width: 54ch;
  margin-bottom: 26px;
}
.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0; padding: 0;
}
.fact {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.3px;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 7px 14px 7px 12px;
}
.fact::before { content: "✓ "; color: var(--accent); font-weight: 700; }

/* --- Table of Contents --------------------------------------------------- */
.toc {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 22px;
  margin: 28px 0;
  background: var(--bg-card);
  max-width: 640px;
}
.toc__title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin: 0 0 10px;
}
.toc__list {
  list-style: none;
  counter-reset: toc;
  padding-left: 0;
  margin: 0;
  columns: 2;
  column-gap: 32px;
}
.toc__item { counter-increment: toc; margin: 5px 0; break-inside: avoid; }
.toc__link {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px dotted var(--border);
  padding-bottom: 1px;
}
.toc__link::before {
  content: counter(toc, decimal-leading-zero) " ";
  font-family: var(--font-mono);
  color: var(--accent);
  margin-right: 6px;
}
.toc__link:hover { color: var(--accent); border-bottom-color: var(--accent); text-decoration: none; }

@media (max-width: 560px) { .toc__list { columns: 1; } }

/* --- Prose (guide pages) ------------------------------------------------- */
.prose { max-width: 68ch; }
.prose h2 {
  margin-top: 2.2em;
  padding-top: 0.2em;
}
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 1.2rem; }
.prose li { margin: 6px 0; }
.prose a { border-bottom: 1px dotted var(--accent); }
.prose a:hover { text-decoration: none; border-bottom-style: solid; }

/* --- TL;DR / краткий ответ (AEO) ----------------------------------------- */
.tldr {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 24px 0;
  max-width: 760px;
}
.tldr__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 6px;
}
.tldr p:last-child { margin: 0; color: var(--text-primary); }

/* --- Callout ------------------------------------------------------------- */
.callout {
  background: var(--accent-soft);
  border: 1px solid var(--accent-dim);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 20px 0;
  color: var(--text-primary);
}
.callout strong { color: var(--accent); }

/* --- FAQ ----------------------------------------------------------------- */
.faq__title { margin-bottom: 20px; }
.faq__list { border-top: 1px solid var(--border); }
.faq__item {
  border-bottom: 1px solid var(--border);
}
.faq__q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.3px;
  padding: 18px 40px 18px 0;
  cursor: pointer;
  position: relative;
  list-style: none;
  color: var(--text-primary);
  transition: color 0.2s;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+";
  position: absolute;
  right: 4px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.2s;
}
.faq__item[open] .faq__q::after { content: "–"; }
.faq__q:hover { color: var(--accent); }
.faq__a {
  padding: 0 0 20px;
  color: var(--text-muted);
  max-width: 68ch;
}
.faq__a a { border-bottom: 1px dotted var(--accent); }

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-code);
  padding: 48px 0 40px;
  margin-top: 40px;
}
.footer-grid {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 32px;
}
.footer-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.footer-col a {
  display: block;
  color: var(--text-primary);
  padding: 5px 0;
  font-size: 0.95rem;
}
.footer-col a:hover { color: var(--accent); text-decoration: none; }
.footer-disclaimer {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.6;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.footer-bottom {
  max-width: var(--wrap);
  margin: 28px auto 0;
  padding: 18px 20px 0;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}

/* --- 404 ----------------------------------------------------------------- */
.notfound {
  text-align: center;
  padding: clamp(60px, 12vw, 140px) 0;
}
.notfound__code {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 16vw, 9rem);
  color: var(--accent);
  line-height: 1;
  margin: 0 0 8px;
}

/* --- Utilities ----------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Skip-link: скрыт, но появляется при фокусе с клавиатуры (WCAG 2.4.7) */
.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 100;
  background: var(--accent);
  color: #0A0C0E;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius);
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; text-decoration: none; }
.text-center { text-align: center; }
.mt-lg { margin-top: 40px; }

/* --- Ad slots ------------------------------------------------------------ */
.ad-slot {
  display: block;
  min-height: 90px;
  margin: 28px 0;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(38,43,49,0.25) 10px, rgba(38,43,49,0.25) 20px);
}
.ad-slot:empty::before {
  content: "AD";
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
}

/* --- Responsive nav ------------------------------------------------------ */
@media (max-width: 780px) {
  .nav-burger { display: block; }
  .nav-links {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    margin: 0;
    padding: 8px 20px 16px;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links li:last-child a { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-disclaimer { grid-column: 1 / -1; border-left: 0; padding-left: 0; padding-top: 8px; border-top: 1px solid var(--border); }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
}