/* The Tech Briefing — editorial layer on the existing systems-console identity */

:root {
  --bg: #050608;
  --surface: #0b0f12;
  --text: #e8f0f2;
  --muted: #7f8d92;
  --line: #1d2a2e;
  --accent: #61f6c5;
  --accent2: #70a7ff;
  --max: 1180px;
  --danger: #ff8b7a;
}

html { scroll-behavior: smooth; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  background: var(--accent);
  color: #04100c;
  padding: 8px 12px;
  font: 800 .68rem ui-monospace, monospace;
  letter-spacing: .08em;
}
.skip-link:focus {
  top: 12px;
}

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

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.brand-lockup .brand-name {
  font-weight: 800;
  letter-spacing: .08em;
  font-size: .78rem;
  text-transform: uppercase;
}
.brand-lockup .brand-loop {
  color: var(--muted);
  font: 600 .52rem ui-monospace, monospace;
  letter-spacing: .14em;
}

.nav-primary,
.nav-secondary {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: .64rem;
  letter-spacing: .12em;
  font-weight: 700;
}
.nav-primary { color: var(--muted); }
.nav-secondary { color: #5c6c71; }
.nav-primary a[aria-current="page"],
.nav-secondary a[aria-current="page"] {
  color: var(--accent);
}
.nav-primary a:hover,
.nav-secondary a:hover { color: var(--accent); }

.nav-cluster {
  display: flex;
  align-items: center;
  gap: 28px;
}

.edition-strip {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 18, .55);
}
.edition-strip .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-block: 10px;
  color: #5e6e73;
  font: 600 .58rem/1.5 ui-monospace, monospace;
  letter-spacing: .1em;
}
.edition-strip b { color: var(--accent); font-weight: 700; }

.masthead {
  padding: 72px 0 36px;
  border-bottom: 1px solid var(--line);
}
.masthead-kicker {
  color: var(--accent);
  font: 800 .68rem ui-monospace, monospace;
  letter-spacing: .2em;
}
.masthead h1 {
  margin: 14px 0 18px;
  font-size: clamp(3.2rem, 8vw, 6.4rem);
  line-height: .86;
  letter-spacing: -.07em;
}
.masthead h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
}
.masthead-deck {
  max-width: 640px;
  color: var(--muted);
  font-size: 1.05rem;
}
.loop-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 28px;
  color: #5c6c71;
  font: 700 .62rem ui-monospace, monospace;
  letter-spacing: .16em;
}
.loop-row span { color: var(--accent); }

.ed-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.ed-label {
  margin: 0 0 22px;
  color: #536267;
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .16em;
}

.lead {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, .7fr);
  gap: 40px;
  align-items: start;
}
.lead-kicker {
  color: var(--accent);
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .16em;
}
.lead h2 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -.04em;
}
.lead h2 a:hover { color: var(--accent); }
.lead-deck {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 62ch;
}
.lead-meta,
.meta-col {
  color: #66777b;
  font: 600 .62rem/1.8 ui-monospace, monospace;
  letter-spacing: .06em;
}
.meta-col {
  border-left: 1px solid var(--line);
  padding-left: 22px;
}
.meta-col dt { color: #4c5b60; }
.meta-col dd { margin: 0 0 12px; color: var(--text); }
.meta-col a { color: var(--accent); }

.row-list { display: grid; gap: 0; }
.row-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.row-item:last-child { border-bottom: 1px solid var(--line); }
.row-meta {
  color: #5c6c71;
  font: 600 .58rem/1.7 ui-monospace, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.row-meta b { color: var(--accent); font-weight: 700; }
.row-item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 700;
}
.row-item h3 a:hover { color: var(--accent); }
.row-item p {
  margin: 0;
  color: var(--muted);
  font-size: .88rem;
}
.row-go {
  align-self: center;
  color: var(--accent);
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .08em;
  white-space: nowrap;
}

.why-list,
.takeaway-list,
.watch-list,
.prose-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.why-list li,
.takeaway-list li,
.watch-list li,
.prose-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  color: var(--muted);
  font-size: .95rem;
}
.why-list b,
.takeaway-list b,
.watch-list b {
  color: var(--accent);
  font: 800 .68rem ui-monospace, monospace;
}

.pulse-table {
  width: 100%;
  border-collapse: collapse;
}
.pulse-table th,
.pulse-table td {
  text-align: left;
  padding: 14px 10px 14px 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.pulse-table th {
  color: #536267;
  font: 700 .58rem ui-monospace, monospace;
  letter-spacing: .12em;
  border-top: 0;
}
.pulse-table a { font-weight: 700; }
.pulse-table a:hover { color: var(--accent); }
.pulse-table .status {
  color: var(--accent);
  font: 700 .58rem ui-monospace, monospace;
  letter-spacing: .1em;
}
.pulse-table p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .86rem;
}

.timeline {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--line);
  margin-left: 8px;
}
.timeline li {
  list-style: none;
  padding: 0 0 28px 24px;
  position: relative;
}
.timeline li:before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--accent);
  background: var(--bg);
  border-radius: 50%;
}
.timeline time {
  display: block;
  color: var(--accent);
  font: 700 .58rem ui-monospace, monospace;
  letter-spacing: .12em;
}
.timeline strong {
  display: block;
  margin: 4px 0 6px;
  font-size: 1rem;
}
.timeline p { margin: 0; color: var(--muted); font-size: .9rem; }

.connected-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}
.connected-grid h3 {
  margin: 0 0 12px;
  color: var(--accent);
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .14em;
}
.connected-grid ul { margin: 0; padding: 0; list-style: none; }
.connected-grid li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .88rem;
}
.connected-grid a { color: var(--text); }
.connected-grid a:hover { color: var(--accent); }

.method-block {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 40px;
}
.method-block p { color: var(--muted); max-width: 62ch; }
.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 4px;
  color: #5c6c71;
  font: 700 .55rem ui-monospace, monospace;
  letter-spacing: .08em;
}
.pipeline span { color: var(--accent); }

.page-head {
  padding: 64px 0 36px;
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  margin: 12px 0 14px;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: .9;
  letter-spacing: -.06em;
}
.page-head h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
}
.page-head p { max-width: 64ch; color: var(--muted); }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #55656a;
  font: 600 .58rem ui-monospace, monospace;
  letter-spacing: .1em;
}
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span[aria-current="page"] { color: var(--text); }

.article-head { padding: 48px 0 28px; }
.article-head h1 {
  margin: 12px 0 16px;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  max-width: 22ch;
}
.article-deck {
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.12rem;
}
.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  color: #66777b;
  font: 600 .62rem ui-monospace, monospace;
  letter-spacing: .08em;
}
.article-byline b { color: var(--accent); }

.briefing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 48px;
  padding: 40px 0 72px;
}
.briefing-body h2 {
  margin: 42px 0 16px;
  font-size: 1.05rem;
  letter-spacing: .04em;
}
.briefing-body .lede,
.briefing-body p { color: var(--muted); max-width: 68ch; }
.rail {
  position: sticky;
  top: 88px;
  align-self: start;
  color: #66777b;
  font: 600 .62rem/1.8 ui-monospace, monospace;
}
.rail h2 {
  margin: 0 0 10px;
  color: var(--accent);
  font: 800 .58rem ui-monospace, monospace;
  letter-spacing: .14em;
}
.rail ul { margin: 0 0 24px; padding: 0; list-style: none; }
.rail li { padding: 6px 0; border-top: 1px solid var(--line); }
.rail a { color: var(--text); }
.rail a:hover { color: var(--accent); }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
}
.chip {
  border: 1px solid var(--line);
  padding: 5px 8px;
  color: #7a8a8e;
  font: 600 .58rem ui-monospace, monospace;
  letter-spacing: .08em;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

.empty-state {
  padding: 28px 0;
  color: #66777b;
  font-size: .92rem;
  border-top: 1px dashed var(--line);
}
.empty-state strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .12em;
}

.search-panel {
  display: grid;
  gap: 14px;
  padding-bottom: 28px;
}
.search-panel form {
  display: grid;
  grid-template-columns: 1fr repeat(4, minmax(0, 140px)) auto;
  gap: 8px;
}
.search-panel input,
.search-panel select,
.search-panel button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  font: 600 .72rem ui-sans-serif, system-ui, sans-serif;
}
.search-panel button {
  background: var(--accent);
  color: #04100c;
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .08em;
  cursor: pointer;
}
.search-count {
  color: #66777b;
  font: 600 .62rem ui-monospace, monospace;
  letter-spacing: .08em;
}
.related-block { margin-top: 36px; }

.lab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 22px;
}
.lab-nav a {
  color: var(--accent);
  font: 800 .62rem ui-monospace, monospace;
  letter-spacing: .1em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 28px;
  color: #536267;
  font: 600 .58rem ui-monospace, monospace;
  letter-spacing: .1em;
}
.site-footer a:hover { color: var(--accent); }

.mobile-menu-toggle,
.mobile-menu { display: none; }

@media (max-width: 960px) {
  .lead,
  .briefing-layout,
  .method-block,
  .connected-grid {
    grid-template-columns: 1fr;
  }
  .meta-col {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 18px 0 0;
  }
  .rail { position: static; }
  .search-panel form { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  .nav-cluster { display: none; }
  .mobile-menu-toggle {
    display: flex;
    margin-left: auto;
    align-items: center;
    gap: 9px;
    border: 1px solid var(--line);
    background: #080c0e;
    color: var(--muted);
    padding: 9px 12px;
    font: 700 .62rem ui-monospace, monospace;
    letter-spacing: .08em;
    cursor: pointer;
  }
  .mobile-menu {
    display: none;
    width: 100%;
    order: 3;
    border: 1px solid var(--line);
    background: rgba(5, 6, 8, .98);
  }
  .nav { flex-wrap: wrap; }
  .mobile-menu.open { display: flex; flex-direction: column; }
  .mobile-menu a {
    display: block;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .12em;
  }
  .mobile-menu a:last-child { border-bottom: 0; }
  .mobile-menu a:hover,
  .mobile-menu a[aria-current="page"] { color: var(--accent); }
  .row-item { grid-template-columns: 1fr; gap: 8px; }
  .row-go { align-self: start; }
  .brand-lockup .brand-loop { display: none; }
  .masthead { padding-top: 42px; }
}

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