/* ==========================================================================
   MARKET CSGO — design system
   Palette: graphite / dark steel, single amber accent, tactical HUD motifs
   ========================================================================== */


:root{
  --bg-void: #0a0b0d;
  --bg-panel: #15171b;
  --bg-panel-raised: #1c1f24;
  --line: #2a2e35;
  --line-bright: #3a3f47;
  --accent: #e8871e;
  --accent-dim: #a35f16;
  --accent-soft: rgba(232,135,30,0.12);
  --text-primary: #f2f0ec;
  --text-secondary: #9198a4;
  --text-tertiary: #565c68;

  --font-display: 'Chakra Petch', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html:focus-within{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; text-decoration: none; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  letter-spacing: 0.01em;
}

p{ margin: 0 0 1em 0; color: var(--text-secondary); }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.mono-tag{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.03em;
}

.bg-grid{
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.35;
}

/* Skip link for keyboard users */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:200;
  background: var(--accent); color:#111; padding: 10px 16px;
  font-family: var(--font-mono); font-size: 13px;
}
.skip-link:focus{ left: 16px; top: 16px; }

/* Focus states */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,11,13,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width: 38px; height: 38px;
  border: 1px solid var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:700; font-size: 14px;
  color: var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% 75%, 75% 100%, 0 100%);
  flex-shrink: 0;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-name{ font-family: var(--font-display); font-weight:700; font-size: 18px; }
.brand-sub{ font-family: var(--font-mono); font-size: 10px; color: var(--text-tertiary); letter-spacing: 0.04em; margin-top: 2px; }

.main-nav{ display:flex; align-items:center; gap: 4px; }
.main-nav a{
  font-size: 14px; color: var(--text-secondary);
  padding: 8px 14px; border: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.main-nav a:hover, .main-nav a.is-active{
  color: var(--text-primary);
  border-color: var(--line);
  background: var(--bg-panel);
}

.nav-toggle{
  display:none;
  background:none; border: 1px solid var(--line); color: var(--text-primary);
  width: 42px; height: 42px; cursor:pointer;
  font-family: var(--font-mono); font-size: 18px;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero .container{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:center;
  padding-top: 88px;
  padding-bottom: 88px;
}
.hero-label{
  display:flex; align-items:center; gap: 10px;
  margin-bottom: 22px;
}
.hero-label .dot{ width:6px; height:6px; background: var(--accent); }

.hero h1{
  font-size: clamp(40px, 5.6vw, 68px);
  margin-bottom: 18px;
}
.hero-sub{
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 18px;
  font-weight: 500;
}
.hero-desc{ max-width: 46ch; font-size: 16px; }

.hero-links{ display:flex; gap: 24px; margin-top: 28px; }
.hero-links a{
  font-size: 14px; padding-bottom: 4px; border-bottom: 1px solid var(--line-bright);
}
.hero-links a.primary{ color: var(--accent); border-color: var(--accent); }
.hero-links a:hover{ color: var(--text-primary); border-color: var(--text-primary); }

.hero-graphic{ position:relative; aspect-ratio: 1/1; }
.hero-graphic svg{ width:100%; height:100%; }

/* ==========================================================================
   SECTIONS (generic)
   ========================================================================== */
section{ padding: 84px 0; border-bottom: 1px solid var(--line); }
section:last-of-type{ border-bottom:none; }

.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap: 24px; margin-bottom: 44px; flex-wrap: wrap;
}
.section-head h2{ font-size: clamp(26px, 3vw, 36px); }
.section-head .mono-tag{ margin-bottom: 10px; display:block; }
.section-desc{ max-width: 52ch; margin-top: 10px; }

/* Dashboard cards (sections grid) */
.dash-grid{
  display:grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.dash-card{
  background: var(--bg-panel);
  padding: 28px 22px;
  display:flex; flex-direction:column; min-height: 260px;
  transition: background .15s ease;
}
.dash-card:hover{ background: var(--bg-panel-raised); }
.dash-card .num{
  font-family: var(--font-mono); color: var(--accent); font-size: 13px; margin-bottom: 24px;
}
.dash-card h3{ font-size: 17px; margin-bottom: 12px; }
.dash-card p{ font-size: 13.5px; flex-grow:1; }
.dash-card .go{ font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); margin-top: 16px; padding-top:14px; border-top: 1px solid var(--line); }
.dash-card:hover .go{ color: var(--accent); }

/* Article / material cards */
.material-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.material-card{
  border: 1px solid var(--line);
  background: var(--bg-panel);
  display:flex; flex-direction:column;
  transition: border-color .15s ease, transform .15s ease;
}
.material-card:hover{ border-color: var(--line-bright); }
.material-thumb{
  aspect-ratio: 16/9;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow:hidden;
  background: var(--bg-void);
}
.material-thumb svg{ width:100%; height:100%; }
.material-body{ padding: 20px; display:flex; flex-direction:column; flex-grow:1; }
.material-meta{
  display:flex; gap:12px; align-items:center;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary);
  margin-bottom: 12px;
}
.material-meta .cat{ color: var(--accent); }
.material-card h3{ font-size: 17px; margin-bottom: 10px; }
.material-card p{ font-size: 14px; flex-grow:1; }
.material-foot{
  margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary);
  display:flex; justify-content:space-between;
}

.material-grid.wide{ grid-template-columns: repeat(2, 1fr); }
.material-grid.list{ grid-template-columns: 1fr; }
.material-grid.list .material-card{ flex-direction: row; }
.material-grid.list .material-thumb{ width: 220px; flex-shrink:0; aspect-ratio: auto; border-bottom:none; border-right: 1px solid var(--line); }
.material-grid.list .material-body{ padding: 22px 24px; }

/* Reference / glossary */
.ref-grid{ display:grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.ref-card{
  border: 1px solid var(--line); padding: 22px 18px; background: var(--bg-panel);
  text-align:left;
}
.ref-card .mono-tag{ display:block; margin-bottom: 10px; color: var(--text-tertiary); }
.ref-card h3{ font-size: 16px; margin-bottom: 8px; }
.ref-card p{ font-size: 13px; margin: 0; }

/* Timeline */
.timeline{ position:relative; padding-left: 28px; }
.timeline::before{
  content:''; position:absolute; left: 4px; top: 6px; bottom: 6px; width:1px; background: var(--line-bright);
}
.timeline-item{ position:relative; padding-bottom: 40px; }
.timeline-item:last-child{ padding-bottom: 0; }
.timeline-item::before{
  content:''; position:absolute; left: -28px; top: 4px; width: 9px; height: 9px;
  background: var(--bg-void); border: 2px solid var(--accent);
}
.timeline-item .mono-tag{ display:block; margin-bottom: 6px; }
.timeline-item h3{ font-size: 18px; margin-bottom: 8px; }
.timeline-item p{ max-width: 62ch; margin:0; }

/* About / independence notice */
.about-block{ display:grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; }
.notice-box{
  border: 1px solid var(--line); background: var(--bg-panel);
  padding: 22px 24px; font-size: 13px; color: var(--text-tertiary);
  height: fit-content;
}
.notice-box p{ font-size: 13px; color: var(--text-tertiary); margin-bottom: 10px; }
.notice-box p:last-child{ margin-bottom:0; }

/* Page hero (interior pages) */
.page-hero{ padding: 56px 0 44px; border-bottom: 1px solid var(--line); }
.page-hero h1{ font-size: clamp(32px, 4vw, 46px); margin-bottom: 12px; }
.page-hero .lead{ max-width: 60ch; font-size: 16px; }
.breadcrumb{ font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); margin-bottom: 18px; }
.breadcrumb a:hover{ color: var(--accent); }

/* Article page */
.article-layout{ display:grid; grid-template-columns: 1fr 260px; gap: 56px; align-items:start; }
.article-body h2{ font-size: 24px; margin: 40px 0 16px; }
.article-body h2:first-child{ margin-top:0; }
.article-body p{ font-size: 16px; color: var(--text-primary); opacity: 0.92; max-width: 70ch; }
.article-body ul, .article-body ol{ color: var(--text-primary); opacity:0.92; max-width: 70ch; padding-left: 20px; }
.article-body li{ margin-bottom: 8px; }
.article-intro{ font-size: 18px; color: var(--text-primary); max-width: 70ch; }
.pull-panel{
  border: 1px solid var(--line); border-left: 2px solid var(--accent);
  background: var(--bg-panel); padding: 18px 22px; margin: 28px 0;
  font-size: 14px; max-width: 70ch;
}
.pull-panel p{ margin:0; color: var(--text-secondary); font-size: 14px;}
.article-sidebar{ position: sticky; top: 100px; display:flex; flex-direction:column; gap: 24px; }
.side-box{ border: 1px solid var(--line); background: var(--bg-panel); padding: 20px; }
.side-box h4{ font-size: 13px; font-family: var(--font-mono); color: var(--text-tertiary); margin-bottom: 14px; text-transform: none; }
.side-box a{ display:block; font-size: 14px; padding: 8px 0; border-top: 1px solid var(--line); }
.side-box a:first-of-type{ border-top:none; }
.side-box a:hover{ color: var(--accent); }
.related-articles{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 20px;}

/* Footer */
.site-footer{ background: var(--bg-panel); border-top: 1px solid var(--line); padding: 56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-brand .brand{ margin-bottom: 14px; }
.footer-brand p{ font-size: 13px; max-width: 32ch; }
.footer-col h4{ font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); margin-bottom: 16px; font-weight: 500; }
.footer-col a{ display:block; font-size: 14px; color: var(--text-secondary); padding: 6px 0; }
.footer-col a:hover{ color: var(--accent); }
.footer-col address{ font-style: normal; font-size: 13px; color: var(--text-tertiary); line-height:1.7; }
.footer-bottom{
  border-top: 1px solid var(--line); padding-top: 22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap: 12px;
  font-size: 12.5px; color: var(--text-tertiary);
}
.footer-bottom a:hover{ color: var(--accent); }

/* Buttons/utility */
.btn-line{
  display:inline-block; border: 1px solid var(--line-bright); padding: 12px 22px;
  font-size: 14px; transition: border-color .15s, color .15s;
}
.btn-line:hover{ border-color: var(--accent); color: var(--accent); }

.pagefoot-note{ font-size: 13px; color: var(--text-tertiary); margin-top: 18px; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px){
  .hero .container{ grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 48px; }
  .hero-graphic{ order: -1; max-width: 320px; margin: 0 auto 24px; }
  .dash-grid{ grid-template-columns: repeat(2, 1fr); }
  .material-grid{ grid-template-columns: repeat(2, 1fr); }
  .material-grid.wide{ grid-template-columns: 1fr; }
  .ref-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-block{ grid-template-columns: 1fr; }
  .article-layout{ grid-template-columns: 1fr; }
  .article-sidebar{ position: static; }
  .related-articles{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px){
  .main-nav{
    display:none;
    position:absolute; top: 76px; left:0; right:0;
    background: var(--bg-void); border-bottom: 1px solid var(--line);
    flex-direction:column; align-items:stretch; padding: 8px;
  }
  .main-nav.is-open{ display:flex; }
  .main-nav a{ padding: 14px 12px; border-bottom: 1px solid var(--line); border-color: var(--line) !important; }
  .nav-toggle{ display:block; }
  .dash-grid{ grid-template-columns: 1fr; }
  .material-grid{ grid-template-columns: 1fr; }
  .ref-grid{ grid-template-columns: 1fr; }
  .material-grid.list .material-card{ flex-direction: column; }
  .material-grid.list .material-thumb{ width:100%; aspect-ratio:16/9; border-right:none; border-bottom:1px solid var(--line); }
  .footer-grid{ grid-template-columns: 1fr; }
  section{ padding: 56px 0; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition: none !important; animation: none !important; }
}