/* THE OPERATING PICTURE — a direct evolution of Claude Briefing */
.briefing {
  --bg: #070a0c;
  --bg-2: #0b0f12;
  --bg-3: #101518;
  --line: rgba(142, 175, 157, .14);
  --line-2: rgba(79, 227, 154, .28);
  --text: #e3ebe6;
  --text-2: #a2afa8;
  --text-3: #65736b;
  --accent: #75e6aa;
  --accent-bright: #9bf2c2;
  font-family: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
}
.briefing::before { display: none !important; }
.briefing * { scrollbar-color: var(--text-3) var(--bg); }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--accent); color: var(--bg); }
.skip-link:focus { top: 12px; }

/* Status header */
.briefing .op-statusbar {
  min-height: 58px; padding: 10px 22px; gap: 22px;
  grid-template-columns: auto 1fr auto auto;
  background: rgba(7,10,12,.92); backdrop-filter: blur(18px);
  border-color: var(--line); font-family: "Space Grotesk", sans-serif;
  font-size: 13px; letter-spacing: 0;
}
.briefing .op-statusbar__sys { color: var(--text); gap: 10px; }
.briefing .op-statusbar__sys i { width: 14px; height: 14px; border-color: var(--accent); }
.briefing .op-statusbar__sys b { font-size: 15px; font-weight: 600; }
.briefing .op-statusbar__nav { justify-self: center; gap: 4px; }
.briefing .op-statusbar__nav a { padding: 8px 11px; text-transform: none; border-radius: 3px; color: var(--text-2); }
.briefing .op-statusbar__nav a.is-active { color: var(--accent); background: rgba(117,230,170,.07); }
.briefing .op-statusbar__status { padding: 6px 10px; border: 1px solid var(--line); color: var(--text-2); }
.briefing .op-statusbar__status i { background: var(--accent); box-shadow: none; }
.briefing-cta { display: inline-flex; align-items: center; gap: 10px; padding: 9px 14px; background: var(--accent); color: var(--bg); font-size: 12px; font-weight: 600; }
.briefing-cta:hover { background: var(--accent-bright); }
.menu-toggle { display: none; font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.mobile-nav { position: fixed; inset: 58px 0 auto; z-index: 55; padding: 8px 18px 18px; background: rgba(7,10,12,.98); border-bottom: 1px solid var(--line-2); }
.mobile-nav a { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line); color: var(--text-2); }

/* Shell and shared chrome */
.briefing .op-shell { grid-template-columns: minmax(0,1fr) 300px; min-height: calc(100vh - 58px); }
.briefing .op-main { border-right-color: var(--line); }
.briefing .op-panel { border-bottom-color: var(--line); scroll-margin-top: 58px; }
.briefing .op-panel__head { min-height: 42px; padding: 11px 22px; background: rgba(11,15,18,.76); border-color: var(--line); font-family: "JetBrains Mono", monospace; font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.briefing .op-panel__head .title { color: var(--accent); }
.briefing .op-panel__head .meta { color: var(--text-3); }
.briefing-live-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); animation: op-pulse 2.4s ease-in-out infinite; }
.eyebrow { margin-bottom: 14px; font-family: "JetBrains Mono", monospace; font-size: 10px; line-height: 1.4; color: var(--accent); letter-spacing: .13em; text-transform: uppercase; }
.annotation { font-family: "JetBrains Mono", monospace; font-size: 10px !important; line-height: 1.6 !important; color: var(--text-3) !important; }

/* Hero */
.briefing .op-hero__terminal { padding: clamp(64px,8vw,112px) clamp(24px,5vw,72px) 64px; background: radial-gradient(ellipse 900px 520px at 40% 0%, rgba(117,230,170,.08), transparent 68%); }
.briefing-pre { margin-bottom: 30px; font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; }
.briefing .op-hero__bigline { margin: 0; }
.briefing .op-hero__bigline h1 { max-width: 960px; font-size: clamp(54px,7.4vw,108px); line-height: .92; letter-spacing: -.058em; font-weight: 500; text-wrap: balance; }
.briefing .op-hero__bigline h1 .acc { color: var(--accent); }
.briefing .op-hero__sub { margin-top: 54px; padding-top: 26px; grid-template-columns: minmax(280px,600px) 1fr; gap: 52px; border-top: 1px solid var(--line); }
.briefing .op-hero__sub p { font-size: clamp(17px,1.55vw,21px); line-height: 1.55; color: var(--text-2); max-width: 58ch; }
.briefing-ctas { display: flex; flex-direction: column; align-items: stretch; gap: 8px; min-width: 235px; }
.briefing-btn { display: inline-flex; justify-content: space-between; align-items: center; gap: 18px; padding: 14px 16px; background: var(--accent); border: 1px solid var(--accent); color: var(--bg); font-size: 13px; font-weight: 600; transition: background .2s, border-color .2s, transform .2s; }
.briefing-btn:hover { background: var(--accent-bright); border-color: var(--accent-bright); transform: translateY(-1px); }
.briefing-btn--ghost { background: transparent; border-color: var(--line-2); color: var(--text); }
.briefing-btn--ghost:hover { background: rgba(117,230,170,.05); color: var(--accent); }

/* Orientation strip */
.briefing-strip { display: grid; grid-template-columns: repeat(3,1fr); background: var(--bg-2); border-bottom: 1px solid var(--line); }
.briefing-strip__cell { min-height: 94px; padding: 22px; display: flex; align-items: center; gap: 18px; border-right: 1px solid var(--line); }
.briefing-strip__cell:last-child { border-right: 0; }
.briefing-strip .index { font-family: "JetBrains Mono", monospace; font-size: 11px; color: var(--accent); }
.briefing-strip .lbl { margin-bottom: 5px; font-family: "JetBrains Mono", monospace; font-size: 9px; color: var(--text-3); letter-spacing: .12em; text-transform: uppercase; }
.briefing-strip .val { font-size: 14px; color: var(--text); }

/* Main content */
.section-intro { padding: 64px clamp(22px,4vw,56px) 42px; }
.section-intro h2, .op-ps__head h2, .questions h2 { max-width: 760px; font-size: clamp(34px,4.6vw,62px); line-height: 1.02; letter-spacing: -.045em; font-weight: 500; color: var(--text); }
.section-intro .lede { max-width: 680px; margin-top: 24px; font-size: 17px; line-height: 1.65; color: var(--text-2); }
.signal-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.signal { min-height: 360px; padding: 28px 24px; display: grid; grid-template-columns: 1fr auto; align-content: start; border-right: 1px solid var(--line); transition: background .25s; }
.signal:last-child { border-right: 0; }
.signal:hover { background: var(--bg-2); }
.signal__num, .signal__state { font-family: "JetBrains Mono", monospace; font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.signal__num { color: var(--accent); }
.signal__state { color: var(--text-3); }
.signal h3 { grid-column: 1/-1; max-width: 320px; margin: 68px 0 18px; font-size: 24px; line-height: 1.12; letter-spacing: -.025em; font-weight: 500; }
.signal > p:not(.annotation) { grid-column: 1/-1; color: var(--text-2); font-size: 14px; line-height: 1.65; }
.signal .annotation { grid-column: 1/-1; margin-top: 32px; padding-top: 14px; border-top: 1px solid var(--line); }

/* Operating table */
.briefing .op-ps__head { padding: 54px clamp(22px,4vw,56px) 32px; align-items: end; border-color: var(--line); }
.briefing .op-ps__head h2 { font-size: clamp(34px,4.2vw,56px); }
.table-note { font-family: "JetBrains Mono", monospace; font-size: 10px; color: var(--text-3); }
.operating-table { border-top: 1px solid var(--line); }
.operating-row { border-bottom: 1px solid var(--line); }
.operating-row__button { width: 100%; padding: 20px 22px; display: grid; grid-template-columns: 54px 1fr 130px 24px; gap: 14px; align-items: center; text-align: left; transition: background .2s; }
.operating-row__button:hover, .operating-row.is-open .operating-row__button { background: rgba(117,230,170,.035); }
.briefing .op-ps__pid { font-family: "JetBrains Mono", monospace; color: var(--accent); }
.briefing .op-ps__name { font-size: 18px; font-weight: 500; }
.briefing .op-ps__name small { margin-top: 4px; font-family: "Space Grotesk", sans-serif; font-size: 13px; color: var(--text-3); }
.row-tag { justify-self: start; padding: 4px 7px; border: 1px solid var(--line); font-family: "JetBrains Mono", monospace; font-size: 9px; color: var(--text-2); text-transform: uppercase; letter-spacing: .08em; }
.briefing .op-ps__chev { font-family: "JetBrains Mono", monospace; font-size: 18px; color: var(--accent); }
.operating-row.is-open .op-ps__chev { transform: rotate(45deg); }
.operating-row__detail { padding: 26px 76px 32px; background: var(--bg-3); border-top: 1px solid var(--line); }
.operating-row__detail p:first-child { max-width: 720px; font-size: 16px; line-height: 1.65; color: var(--text-2); }
.operating-row__detail .annotation { margin-top: 18px; }

/* Gates */
.section-intro--split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: end; }
.section-intro--split .lede { margin: 0; font-size: 15px; }
.decision-list { border-top: 1px solid var(--line); }
.decision-list li { min-height: 122px; padding: 24px 22px; display: grid; grid-template-columns: 100px minmax(260px,1fr) 190px; gap: 24px; align-items: center; border-bottom: 1px solid var(--line); }
.decision-list li:last-child { border-bottom: 0; }
.gate, .proof { font-family: "JetBrains Mono", monospace; font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: .1em; }
.decision-list h3 { margin-bottom: 6px; font-size: 19px; font-weight: 500; }
.decision-list p { color: var(--text-2); font-size: 14px; line-height: 1.5; }
.proof { color: var(--accent); }

/* Questions */
.questions__grid { padding: 64px clamp(22px,4vw,56px); display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(50px,7vw,100px); }
.questions ol { border-top: 1px solid var(--line); }
.questions li { padding: 20px 4px; display: grid; grid-template-columns: 34px 1fr; gap: 12px; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.45; }
.questions li span { padding-top: 3px; font-family: "JetBrains Mono", monospace; font-size: 9px; color: var(--accent); }

/* Contact and footer */
.briefing .op-contact { padding: clamp(64px,8vw,112px) clamp(22px,6vw,80px); text-align: left; background: radial-gradient(ellipse 800px 400px at 0 50%, rgba(117,230,170,.08), transparent 70%); }
.briefing .op-contact h2 { max-width: 800px; margin: 0 0 24px; font-family: "Space Grotesk",sans-serif; font-size: clamp(42px,6vw,78px); line-height: .98; letter-spacing: -.05em; font-weight: 500; }
.briefing .op-contact > p:not(.eyebrow) { max-width: 650px; margin: 0; color: var(--text-2); font-family: "Space Grotesk",sans-serif; font-size: 17px; line-height: 1.65; }
.briefing .op-contact__actions { margin-top: 34px; display: flex; align-items: center; gap: 18px; }
.contact-note { font-family: "JetBrains Mono", monospace; font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }
.briefing .op-footer { padding: 18px 22px; border-top: 1px solid var(--line); font-family: "JetBrains Mono",monospace; font-size: 9px; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }

/* Operational rail */
.briefing .op-rail { position: sticky; top: 58px; height: calc(100vh - 58px); background: var(--bg-2); border-left: 0; }
.briefing .op-rail__head { min-height: 42px; padding: 11px 16px; font-family: "JetBrains Mono", monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.rail-nav { flex: 1; }
.rail-nav a { position: relative; padding: 18px 16px; display: grid; grid-template-columns: 28px 1fr; border-bottom: 1px solid var(--line); }
.rail-nav a::before { content:""; position:absolute; left:0; top:0; bottom:0; width:2px; background:transparent; }
.rail-nav a.is-active { background: rgba(117,230,170,.04); }
.rail-nav a.is-active::before { background: var(--accent); }
.rail-nav a > span { grid-row: 1/3; font-family: "JetBrains Mono",monospace; font-size: 9px; color: var(--text-3); }
.rail-nav a b { font-size: 13px; font-weight: 500; color: var(--text-2); }
.rail-nav a.is-active b { color: var(--text); }
.rail-nav a small { margin-top: 4px; font-size: 11px; color: var(--text-3); }
.rail-brief { margin-top: auto; padding: 20px 16px; border-top: 1px solid var(--line); }
.rail-brief__label { margin-bottom: 10px; font-family: "JetBrains Mono",monospace; font-size: 9px; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; }
.rail-brief p:last-child { font-size: 13px; line-height: 1.55; color: var(--text-2); }
.briefing .op-rail__foot { padding: 12px 16px; font-family: "JetBrains Mono",monospace; font-size: 8px; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }

@media (max-width: 1100px) {
  .briefing .op-shell { grid-template-columns: 1fr; }
  .briefing .op-rail { display: none; }
  .briefing .op-main { border-right: 0; }
}
@media (max-width: 760px) {
  .briefing .op-statusbar { grid-template-columns: 1fr auto; min-height: 58px; padding: 10px 16px; }
  .briefing .op-statusbar__nav, .briefing .op-statusbar__status, .briefing-cta { display: none; }
  .menu-toggle { display: block; }
  .briefing .op-panel__head { padding: 10px 16px; }
  .briefing .op-panel__head .meta { display: none; }
  .briefing .op-hero__terminal { padding: 54px 18px 44px; }
  .briefing .op-hero__bigline h1 { font-size: clamp(48px,14.2vw,62px); line-height: .94; }
  .briefing .op-hero__sub { margin-top: 38px; grid-template-columns: 1fr; gap: 28px; }
  .briefing .op-hero__sub p { font-size: 17px; }
  .briefing-ctas { min-width: 0; }
  .briefing-strip { grid-template-columns: 1fr; }
  .briefing-strip__cell { min-height: 74px; padding: 16px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .briefing-strip__cell:last-child { border-bottom: 0; }
  .section-intro { padding: 50px 18px 34px; }
  .section-intro h2, .op-ps__head h2, .questions h2 { font-size: 37px; }
  .section-intro .lede { font-size: 16px; }
  .signal-grid { grid-template-columns: 1fr; }
  .signal { min-height: 0; padding: 24px 18px 28px; border-right: 0; border-bottom: 1px solid var(--line); }
  .signal:last-child { border-bottom: 0; }
  .signal h3 { margin-top: 44px; font-size: 23px; }
  .briefing .op-ps__head { padding: 46px 18px 26px; display: block; }
  .table-note { margin-top: 16px; }
  .operating-row__button { padding: 18px; grid-template-columns: 34px 1fr 18px; }
  .row-tag { display: none; }
  .briefing .op-ps__name { font-size: 16px; }
  .operating-row__detail { padding: 22px 18px 28px 52px; }
  .section-intro--split { grid-template-columns: 1fr; gap: 24px; }
  .decision-list li { padding: 22px 18px; grid-template-columns: 62px 1fr; gap: 14px; align-items: start; }
  .proof { grid-column: 2; }
  .questions__grid { padding: 50px 18px; grid-template-columns: 1fr; gap: 38px; }
  .questions li { font-size: 15px; }
  .briefing .op-contact { padding: 64px 18px; }
  .briefing .op-contact h2 { font-size: 48px; }
  .briefing .op-contact__actions { align-items: stretch; flex-direction: column; }
  .contact-note { text-align: center; }
  .briefing .op-footer { align-items: flex-start; gap: 8px; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}