/* ==========================================================================
   metasploitable2.com — design system & homepage styles
   ========================================================================== */

:root {
  --bg-primary: #050816;
  --bg-secondary: #0F172A;
  --bg-card: #111827;
  --accent-green: #22C55E;
  --accent-green-dim: #16a34a;
  --accent-blue: #38BDF8;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --border: #1E293B;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;

  --font-heading: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  --max-width: 1200px;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  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-heading);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-green);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border);
}

.section--alt { background: var(--bg-secondary); }

.section-head {
  max-width: 680px;
  margin: 0 0 48px;
}

.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--accent-green);
  color: #04170c;
}
.btn--primary:hover { background: #34d670; }

.btn--secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
}
.btn--secondary:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

.btn--text {
  padding: 0;
  color: var(--accent-green);
  font-weight: 600;
}
.btn--text:hover { color: #34d670; }

.btn--block { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-right: 8px;
  flex-shrink: 0;
}

.logo-mark {
  font-family: var(--font-mono);
  color: var(--accent-green);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 7px;
  font-size: 0.85rem;
}

.main-nav {
  display: none;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.main-nav > ul > li { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-secondary);
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-card); }

.nav-caret { font-size: 0.6rem; opacity: 0.7; }

.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.main-nav > ul > li:hover .dropdown,
.main-nav > ul > li:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.dropdown a:hover { background: var(--bg-secondary); color: var(--text-primary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}
.icon-btn:hover { color: var(--accent-blue); border-color: var(--accent-blue); }

.hamburger {
  display: inline-flex;
}

.header-cta {
  display: none;
}

@media (min-width: 960px) {
  .main-nav { display: block; }
  .hamburger { display: none; }
  .header-cta { display: inline-flex; }
}

/* Mobile nav drawer */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
  padding: 20px 24px 32px;
  overflow-y: auto;
}
.mobile-drawer.is-open { display: flex; }

.mobile-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.mobile-drawer ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  border-top: 1px solid var(--border);
}
.mobile-drawer li { border-bottom: 1px solid var(--border); }
.mobile-drawer a {
  display: block;
  padding: 16px 4px;
  font-size: 1.05rem;
  color: var(--text-primary);
}
.mobile-drawer .mobile-sub {
  padding-left: 16px;
  border-top: none;
}
.mobile-drawer .mobile-sub a { padding: 12px 4px; font-size: 0.92rem; color: var(--text-secondary); }

/* ---------- Search modal ---------- */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(2, 4, 12, 0.7);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 20px 20px;
}
.search-modal.is-open { display: flex; }

.search-panel {
  width: 100%;
  max-width: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.55);
}

.search-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.search-input-row input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-body);
}
.search-input-row input:focus { outline: none; }

.search-results { max-height: 360px; overflow-y: auto; padding: 8px; }
.search-results-empty { padding: 24px 16px; color: var(--text-secondary); font-size: 0.9rem; }

.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  border-radius: var(--radius-sm);
}
.search-result:hover, .search-result:focus { background: var(--bg-secondary); }
.search-result-cat { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent-green); text-transform: uppercase; }
.search-result-title { color: var(--text-primary); font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 88px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 80% 0%, rgba(56, 189, 248, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(34, 197, 94, 0.10), transparent 60%);
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}

.hero-copy p.lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 22px;
}

.trust-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}
.trust-line .dot { color: var(--accent-green); margin: 0 8px; }

/* Terminal visual */
.terminal-wrap { position: relative; }

.terminal-window {
  background: #0a0f1f;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  position: relative;
  z-index: 2;
}

.terminal-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: #0d1326;
  border-bottom: 1px solid var(--border);
}
.terminal-dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal-dot--r { background: #EF4444; }
.terminal-dot--y { background: #F59E0B; }
.terminal-dot--g { background: #22C55E; }
.terminal-titlebar span {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.terminal-body {
  padding: 20px 22px 24px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: #cbd5e1;
  overflow-x: auto;
}
.terminal-body .prompt { color: var(--accent-green); }
.terminal-body .cmd { color: var(--text-primary); }
.terminal-body .muted { color: var(--text-secondary); }
.terminal-body .state-open { color: var(--accent-green); }
.terminal-body table { border-collapse: collapse; margin-top: 10px; }
.terminal-body td { padding: 2px 18px 2px 0; white-space: nowrap; }

.node-grid {
  position: absolute;
  inset: -20px -20px auto auto;
  width: 220px;
  height: 220px;
  background-image:
    linear-gradient(rgba(56,189,248,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.15) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 1;
  opacity: 0.6;
  pointer-events: none;
}

/* ---------- Cards ---------- */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: rgba(56, 189, 248, 0.35); transform: translateY(-2px); }

.card-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 197, 94, 0.1);
  color: var(--accent-green);
  margin-bottom: 16px;
}
.card-icon svg { width: 22px; height: 22px; }
.card-icon--blue { background: rgba(56, 189, 248, 0.1); color: var(--accent-blue); }

.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

.step-num {
  font-family: var(--font-mono);
  color: var(--accent-blue);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: block;
}

/* Article / guide cards */
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.article-card:hover { border-color: rgba(34,197,94,0.35); transform: translateY(-2px); }

.article-thumb {
  height: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(56,189,248,0.18), transparent 55%),
    radial-gradient(circle at 75% 80%, rgba(34,197,94,0.15), transparent 55%),
    var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  color: var(--accent-green);
}
.article-thumb svg { width: 34px; height: 34px; }

.article-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.article-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent-blue);
}
.article-meta .sep { color: var(--border); }
.article-meta .time { color: var(--text-secondary); text-transform: none; letter-spacing: 0; }

.article-body h3 { font-size: 1.08rem; margin-bottom: 2px; }
.article-body p { font-size: 0.9rem; margin-bottom: 8px; }

.article-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Category cards */
.category-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.category-card:hover { border-color: rgba(56,189,248,0.35); }
.category-card h3 { font-size: 1rem; margin-bottom: 4px; }
.category-card p { font-size: 0.85rem; margin-bottom: 0; }

/* ---------- Roadmap ---------- */
.roadmap { position: relative; }
.roadmap-list { list-style: none; margin: 0; padding: 0; }
.roadmap-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding-bottom: 36px;
  position: relative;
}
.roadmap-item:last-child { padding-bottom: 0; }
.roadmap-item::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 44px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.roadmap-item:last-child::before { display: none; }
.roadmap-marker {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.roadmap-content h3 { margin-bottom: 4px; }
.roadmap-content p { margin-bottom: 0; }

/* ---------- Command reference ---------- */
.cmd-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.cmd-tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.cmd-tab--active { color: var(--accent-green); border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.08); }

.cmd-block {
  background: #0a0f1f;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
}
.cmd-line {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-green);
  overflow-x: auto;
  white-space: pre;
  margin-bottom: 6px;
}
.cmd-desc { font-size: 0.9rem; margin-bottom: 0; }

/* ---------- Beginner path ---------- */
.path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: path;
  display: grid;
  gap: 12px;
}
@media (min-width: 720px) {
  .path-list { grid-template-columns: 1fr 1fr; }
}
.path-item {
  counter-increment: path;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.path-item::before {
  content: counter(path);
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--accent-green);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}
.path-item span { font-size: 0.92rem; color: var(--text-primary); }

/* ---------- Callouts ---------- */
.callout {
  display: flex;
  gap: 14px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid;
}
.callout p:last-child { margin-bottom: 0; }
.callout-icon { flex-shrink: 0; font-family: var(--font-mono); font-weight: 700; }

.callout--warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.35);
}
.callout--warning .callout-icon { color: var(--warning); }

.callout--danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.35);
}
.callout--danger .callout-icon { color: var(--danger); }

.callout--tip {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.3);
}
.callout--tip .callout-icon { color: var(--accent-green); }

.callout--note {
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
}
.callout--note .callout-icon { color: var(--accent-blue); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 20px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-family: var(--font-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--accent-green);
  font-size: 1.2rem;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding-bottom: 18px; margin: 0; font-size: 0.95rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-secondary); padding-top: 64px; }
.footer-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: var(--text-secondary); font-size: 0.92rem; }
.footer-col a:hover { color: var(--accent-green); }
.footer-about p { font-size: 0.9rem; max-width: 32ch; }

.footer-bottom {
  padding: 28px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-disclaimer { font-size: 0.82rem; color: var(--text-secondary); max-width: 90ch; margin: 0; }
.footer-copyright { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }

/* ---------- Page hero (sub-pages) ---------- */
.page-hero {
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent-green); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb [aria-current="page"] { color: var(--text-primary); }

.page-hero h1 { max-width: 46ch; }
.page-hero .lead { max-width: 68ch; font-size: 1.05rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.badge--beginner { color: var(--accent-green); border-color: rgba(34,197,94,0.35); background: rgba(34,197,94,0.08); }
.badge--intermediate { color: var(--warning); border-color: rgba(245,158,11,0.35); background: rgba(245,158,11,0.08); }
.badge--advanced { color: var(--danger); border-color: rgba(239,68,68,0.35); background: rgba(239,68,68,0.08); }

/* ---------- Article layout (TOC + content) ---------- */
.article-layout {
  display: grid;
  gap: 40px;
  align-items: start;
}
@media (min-width: 960px) {
  .article-layout { grid-template-columns: 240px 1fr; }
}

.toc-desktop {
  position: sticky;
  top: 96px;
  display: none;
}
@media (min-width: 960px) {
  .toc-desktop { display: block; }
}
.toc-desktop h4, .toc-mobile summary {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.toc-desktop ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.toc-desktop a {
  display: block;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
}
.toc-desktop a:hover { color: var(--text-primary); background: var(--bg-card); }

.toc-mobile {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 32px;
}
@media (min-width: 960px) {
  .toc-mobile { display: none; }
}
.toc-mobile summary { cursor: pointer; list-style: none; }
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile ul { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.toc-mobile a { font-size: 0.9rem; color: var(--text-secondary); }

/* ---------- Tutorial info box ---------- */
.info-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 32px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.info-box dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent-blue);
  margin-bottom: 4px;
}
.info-box dd { margin: 0; font-size: 0.9rem; color: var(--text-primary); }

/* ---------- Article prose ---------- */
.prose h2 { margin-top: 44px; scroll-margin-top: 96px; }
.prose h3 { margin-top: 28px; scroll-margin-top: 96px; }
.prose p, .prose li { color: var(--text-secondary); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text-primary); }
.prose .callout { margin: 24px 0; }
.prose .terminal-window { margin: 24px 0; }

.article-footer-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-footer-nav .next-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

/* ---------- Data table (vulnerabilities etc.) ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); margin: 24px 0; }
.data-table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 0.9rem; }
.data-table th, .data-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.data-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--accent-blue);
  background: var(--bg-secondary);
  white-space: nowrap;
}
.data-table td { color: var(--text-secondary); }
.data-table tr:last-child td { border-bottom: none; }
.data-table a { color: var(--accent-green); }

/* Hub link cards (install hub etc.) */
.hub-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 32px 0; }

.article-card--soon { opacity: 0.55; cursor: default; }
.article-card--soon:hover { border-color: var(--border); transform: none; }

/* Glossary */
.glossary-list { display: flex; flex-direction: column; gap: 4px; }
.glossary-item { padding: 16px 0; border-bottom: 1px solid var(--border); }
.glossary-item dt { font-family: var(--font-heading); font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.glossary-item dd { margin: 0; color: var(--text-secondary); font-size: 0.92rem; }

/* ---------- Author byline (EEAT) ---------- */
.author-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
}
.author-meta { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
.author-meta strong { color: var(--text-primary); }

/* ---------- Quick answer / AEO callout ---------- */
.quick-answer {
  background: var(--bg-card);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-left: 3px solid var(--accent-blue);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 24px 0 32px;
}
.quick-answer .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-blue);
  margin-bottom: 8px;
}
.quick-answer p { margin-bottom: 0; color: var(--text-primary); font-size: 0.95rem; }

/* ---------- Download CTA ---------- */
.download-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.download-panel-info { flex: 1; min-width: 220px; }
.download-panel-info h3 { margin-bottom: 4px; }
.download-panel-info p { margin-bottom: 0; font-size: 0.88rem; }
.btn--download svg { width: 16px; height: 16px; }
.external-note { font-size: 0.78rem; color: var(--text-secondary); margin-top: 8px; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent-green);
  color: #04170c;
  padding: 12px 18px;
  z-index: 300;
  border-radius: 0 0 8px 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }