:root {
  color-scheme: dark;
  --black: #030504; --panel: #080b09; --paper: #e4e7df; --muted: #707873;
  --line: #27312d; --cyan: #55f4d5; --amber: #d88745; --green: #94b86a; --water: #64b7c9;
  --mono: "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--black); color: var(--paper); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
.terminal-header {
  position: fixed; z-index: 20; inset: 0 0 auto; height: 68px; display: grid;
  grid-template-columns: minmax(250px, 1fr) auto minmax(190px, .7fr); align-items: stretch;
  border-bottom: 1px solid var(--line); background: rgba(3, 5, 4, .96); font-family: var(--mono);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 10px 24px; border-right: 1px solid var(--line); }
.brand img { width: 42px; height: 42px; object-fit: cover; }
.brand span { display: grid; gap: 3px; }
.brand b { font: 700 16px/1 var(--sans); letter-spacing: .12em; }
.brand small { color: var(--muted); font-size: 12px; letter-spacing: .08em; }
.terminal-header nav { display: flex; align-items: stretch; }
.terminal-header nav a { display: grid; place-items: center; min-width: 84px; padding: 0 18px; border-right: 1px solid var(--line); color: #9aa39e; font-size: 12px; letter-spacing: .12em; }
.terminal-header nav a:hover, .terminal-header nav a:focus-visible { color: var(--cyan); background: #0a1512; outline: 0; }
.header-launch { justify-self: end; display: flex; align-items: center; gap: 14px; width: 100%; max-width: 230px; padding: 0 24px; background: var(--cyan); color: #02100d; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.header-launch span { font-size: 12px; opacity: .55; }
.header-launch:hover, .header-launch:focus-visible { background: #87ffe8; outline: 2px solid var(--paper); outline-offset: -4px; }
.terminal-hero {
  position: relative; min-height: 100svh; padding: 68px 0 34px; display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(500px, 1.4fr) 160px; grid-template-rows: 43px 1fr 34px;
  overflow: hidden; border-bottom: 1px solid var(--line);
}
.terminal-hero::before { content: ""; position: absolute; inset: 68px 0 34px; pointer-events: none; background-image: linear-gradient(rgba(85,244,213,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(85,244,213,.025) 1px, transparent 1px); background-size: 100% 42px, 42px 100%; }
.hero-status { grid-column: 1 / -1; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 0 28px; border-bottom: 1px solid var(--line); color: #909994; font: 12px/1 var(--mono); letter-spacing: .12em; }
.hero-status b { color: var(--cyan); font-weight: 600; }
.hero-copy { z-index: 2; align-self: stretch; padding: clamp(34px,5vh,64px) clamp(28px,4vw,70px) 30px; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: rgba(3,5,4,.94); }
.eyebrow { max-width: 520px; margin: 0 0 clamp(30px,5vh,68px); color: var(--amber); font: 12px/1.7 var(--mono); letter-spacing: .12em; }
.hero-copy h1 { margin: 0; display: grid; color: var(--paper); font-size: clamp(58px,5.5vw,100px); font-weight: 900; line-height: .82; letter-spacing: -.1em; }
.hero-copy h1 span:last-child { margin-left: .62em; color: transparent; -webkit-text-stroke: 1px var(--paper); }
.hero-lead { max-width: 480px; margin: clamp(30px,5vh,64px) 0 26px; color: #b9bfba; font-size: clamp(16px,1.2vw,20px); line-height: 1.8; }
.hero-mission { margin: 0; border-top: 1px solid var(--line); }
.hero-mission div { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 10px 0; border-bottom: 1px solid #18201d; }
.hero-mission dt { color: var(--muted); font: 12px/1.6 var(--mono); letter-spacing: .08em; }
.hero-mission dd { margin: 0; color: #cfd3ce; font-size: 14px; line-height: 1.6; }
.primary-command { width: min(100%,420px); margin-top: auto; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 3px 18px; padding: 14px 18px; border: 1px solid var(--cyan); border-radius: 2px; color: var(--cyan); font-family: var(--mono); }
.primary-command span { grid-column: 1; color: #67837b; font-size: 12px; letter-spacing: .12em; }
.primary-command strong { grid-column: 1; font: 800 17px/1.1 var(--sans); letter-spacing: .12em; }
.primary-command i { grid-column: 2; grid-row: 1 / 3; font-size: 12px; font-style: normal; }
.primary-command:hover, .primary-command:focus-visible { background: var(--cyan); color: #03100d; outline: 0; }
.primary-command:hover span, .primary-command:focus-visible span { color: #23473f; }
.hero-viewport { position: relative; z-index: 1; min-height: 0; overflow: hidden; background: #000; transform-origin: center; }
#landing-canvas { display: block; width: 100%; height: 100%; }
.viewport-label { position: absolute; color: rgba(85,244,213,.72); font: 12px/1 var(--mono); letter-spacing: .08em; text-shadow: 0 0 8px #000; }
.top-left { top: 18px; left: 18px; } .top-right { top: 18px; right: 18px; }
.bottom-left { bottom: 18px; left: 18px; display: flex; gap: 24px; } .bottom-right { right: 18px; bottom: 18px; }
.viewport-reticle { position: absolute; left: 50%; top: 50%; translate: -50% -50%; color: var(--cyan); font: 18px/1 var(--mono); text-shadow: 0 0 12px rgba(85,244,213,.72); }
.hero-telemetry { z-index: 2; display: grid; grid-template-rows: repeat(4,1fr); border-left: 1px solid var(--line); background: rgba(3,5,4,.94); font-family: var(--mono); }
.hero-telemetry div { padding: 18px 16px; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; align-content: flex-start; }
.hero-telemetry span { width: 100%; color: var(--muted); font-size: 12px; letter-spacing: .06em; }
.hero-telemetry strong { margin-top: 14px; color: var(--paper); font-size: clamp(28px,3vw,52px); font-weight: 300; }
.hero-telemetry small { align-self: flex-end; margin: 0 0 7px 5px; color: var(--muted); }
.hero-telemetry .warning { align-content: center; }
.hero-telemetry .warning b { margin-top: 12px; color: var(--amber); font-size: 12px; line-height: 1.6; letter-spacing: .06em; }
.hero-ticker { grid-column: 1 / -1; z-index: 2; overflow: hidden; display: flex; align-items: center; gap: 8vw; padding: 0 28px; border-top: 1px solid var(--line); color: #65706a; background: var(--black); white-space: nowrap; font: 12px/1 var(--mono); letter-spacing: .08em; }

.archive-section, .protocol-section, .recovery-section, .controls-section { border-bottom: 1px solid var(--line); }
.section-header { min-height: 48vh; display: grid; grid-template-columns: minmax(150px,.45fr) minmax(360px,1fr) minmax(280px,.75fr); gap: clamp(30px,5vw,90px); align-items: end; padding: 10vh clamp(24px,5vw,96px) 7vh; border-bottom: 1px solid var(--line); }
.section-header > span, .protocol-copy > span, .recovery-copy > span, .controls-heading > span { align-self: start; color: var(--amber); font: 12px/1.5 var(--mono); letter-spacing: .12em; }
.section-header h2, .protocol-copy h2, .recovery-copy h2, .controls-heading h2 { margin: 0; font-size: clamp(38px,5vw,86px); line-height: 1.04; letter-spacing: -.055em; }
.section-header p, .protocol-copy p, .recovery-copy p, .controls-heading p { margin: 0; color: #a7afaa; font-size: 16px; line-height: 1.9; }
.archive-ledger article { min-height: 190px; display: grid; grid-template-columns: minmax(105px,.35fr) minmax(240px,.85fr) minmax(290px,1.2fr) minmax(140px,.45fr); align-items: center; border-bottom: 1px solid #1c2421; }
.archive-ledger article > * { height: 100%; margin: 0; padding: 32px clamp(18px,3vw,50px); display: flex; flex-direction: column; justify-content: center; border-right: 1px solid #1c2421; }
.ledger-code b { color: #59615d; font: 300 clamp(38px,4vw,70px)/1 var(--mono); }
.ledger-code span { margin-top: 12px; color: var(--muted); font: 12px/1 var(--mono); letter-spacing: .1em; }
.archive-ledger pre { color: #9ca39e; font: 700 clamp(12px,1.25vw,18px)/1.35 var(--mono); white-space: pre; }
.archive-ledger h3 { margin: 0 0 12px; font-size: clamp(19px,1.6vw,26px); }
.archive-ledger p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.archive-ledger meter { width: 100%; height: 4px; align-self: center; padding: 0 clamp(20px,3vw,50px); border: 0; background: transparent; }
.archive-ledger meter::-webkit-meter-bar { height: 4px; border: 0; border-radius: 0; background: #151b18; }
.archive-ledger meter::-webkit-meter-optimum-value { background: var(--green); }
.archive-ledger .ledger-alert { color: #d9d4cf; background: #090705; }
.ledger-alert pre, .ledger-alert .ledger-code span, .ledger-alert h3 { color: var(--amber); }
.ledger-alert meter::-webkit-meter-optimum-value { background: var(--amber); }

.protocol-section { position: relative; padding: 12vh clamp(24px,5vw,96px) 8vh; overflow: hidden; }
.protocol-section::before { content: "MISSION / MISSION / MISSION"; position: absolute; right: -3vw; top: 3vh; color: #0b110e; font: 900 clamp(60px,10vw,180px)/.8 var(--mono); writing-mode: vertical-rl; letter-spacing: -.1em; pointer-events: none; }
.protocol-copy { position: relative; z-index: 1; display: grid; grid-template-columns: .45fr 1fr .75fr; gap: clamp(30px,5vw,90px); align-items: end; }
.mission-line { position: relative; z-index: 1; margin: 13vh 0 5vh; padding: 0; display: grid; grid-template-columns: repeat(4,1fr); list-style: none; border-top: 1px solid var(--cyan); }
.mission-line li { position: relative; min-height: 180px; padding: 28px 28px 24px 0; border-right: 1px solid var(--line); }
.mission-line li::before { content: ""; position: absolute; width: 9px; height: 9px; top: -5px; left: 0; background: var(--black); border: 1px solid var(--cyan); }
.mission-line li:last-child::before { background: var(--cyan); }
.mission-line b { display: block; color: var(--cyan); font: 12px/1 var(--mono); }
.mission-line span { display: block; margin-top: 38px; font-size: 22px; font-weight: 700; }
.mission-line small { display: block; max-width: 240px; margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.protocol-readout { display: flex; justify-content: space-between; align-items: center; color: #4f5a55; font: 12px/1 var(--mono); letter-spacing: .1em; }
.protocol-readout i { color: #1e6559; font-style: normal; }

.recovery-section { min-height: 88vh; display: grid; grid-template-columns: 160px minmax(480px,1.35fr) minmax(340px,.85fr); }
.recovery-index { display: grid; grid-template-rows: auto repeat(3,1fr); border-right: 1px solid var(--line); }
.recovery-index > span { padding: 22px 16px; color: var(--muted); font: 12px/1.5 var(--mono); writing-mode: vertical-rl; }
.recovery-index button { appearance: none; display: grid; place-items: center; gap: 8px; border: 0; border-top: 1px solid var(--line); background: var(--black); color: var(--muted); cursor: pointer; font-family: var(--mono); }
.recovery-index button b { font-size: 17px; } .recovery-index button i { font: normal 12px/1 var(--sans); }
.recovery-index button:hover, .recovery-index button:focus-visible, .recovery-index button.active { color: #03100d; background: var(--cyan); outline: 0; }
.recovery-monitor { position: relative; min-height: 640px; overflow: hidden; border-right: 1px solid var(--line); background: #000; }
.monitor-head { position: absolute; inset: 0 0 auto; z-index: 2; display: flex; justify-content: space-between; padding: 20px 22px; border-bottom: 1px solid var(--line); color: var(--cyan); font: 12px/1 var(--mono); letter-spacing: .08em; }
#recovery-ascii { position: absolute; inset: 80px 0 58px; margin: 0; display: grid; place-items: center; color: var(--paper); font: 700 clamp(14px,1.55vw,25px)/1.28 var(--mono); text-align: center; white-space: pre; }
.monitor-progress { position: absolute; left: 22px; right: 90px; bottom: 26px; height: 2px; background: #1a2420; }
.monitor-progress i { display: block; width: 0; height: 100%; background: var(--cyan); }
#recovery-percent { position: absolute; right: 22px; bottom: 20px; color: var(--cyan); font: 12px/1 var(--mono); }
.recovery-copy { padding: 11vh clamp(28px,4vw,76px); display: flex; flex-direction: column; }
.recovery-copy h2 { margin-top: auto; font-size: clamp(36px,4.4vw,72px); }
.recovery-copy p { margin-top: 36px; }
.recovery-copy dl { margin: auto 0 0; border-top: 1px solid var(--line); }
.recovery-copy dl div { display: grid; grid-template-columns: 92px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); font: 12px/1 var(--mono); }
.recovery-copy dt { color: var(--muted); } .recovery-copy dd { margin: 0; color: var(--cyan); }

.controls-section { min-height: 78vh; display: grid; grid-template-columns: minmax(350px,.9fr) minmax(400px,1.1fr) minmax(280px,.65fr); }
.controls-heading, .key-map, .flight-envelope { padding: 10vh clamp(26px,4vw,70px); border-right: 1px solid var(--line); }
.controls-heading { display: flex; flex-direction: column; justify-content: space-between; }
.controls-heading h2 { margin-top: auto; font-size: clamp(36px,4.2vw,70px); }
.controls-heading p { margin-top: 34px; }
.key-map { display: grid; align-content: center; }
.key-map > div { min-height: 110px; display: grid; grid-template-columns: 54px 54px 1fr; gap: 9px; align-items: center; border-bottom: 1px solid var(--line); }
.key-map > div:first-child { border-top: 1px solid var(--line); }
kbd { display: grid; place-items: center; width: 50px; height: 50px; border: 1px solid #63706a; border-bottom-width: 3px; border-radius: 2px; color: var(--paper); background: #090c0a; font: 700 16px/1 var(--mono); }
.key-map span { margin-left: 18px; display: grid; gap: 8px; }
.key-map b { font-size: 17px; } .key-map small { color: var(--muted); font-size: 13px; }
.flight-envelope { display: flex; flex-direction: column; justify-content: center; gap: 30px; font-family: var(--mono); }
.flight-envelope > span { color: var(--amber); font-size: 12px; letter-spacing: .1em; }
.flight-envelope > div { display: grid; grid-template-columns: 1fr auto; gap: 9px 16px; align-items: center; }
.flight-envelope i { grid-column: 1/-1; color: var(--muted); font-size: 12px; font-style: normal; }
.flight-envelope b { font-size: 12px; font-weight: 400; } .flight-envelope b:last-child { text-align: right; }
.flight-envelope em { grid-column: 1/-1; grid-row: 3; height: 2px; background: var(--cyan); }
.flight-envelope p { margin-top: 28px; color: var(--muted); font: 14px/1.8 var(--sans); }

.launch-section { min-height: 38vh; display: grid; grid-template-columns: 1fr minmax(360px,.42fr); border-bottom: 1px solid var(--line); }
.launch-section > div { padding: 8vh clamp(28px,6vw,120px); display: flex; flex-direction: column; justify-content: space-between; }
.launch-section span { color: var(--cyan); font: 12px/1 var(--mono); letter-spacing: .12em; }
.launch-section strong { max-width: 900px; font-size: clamp(30px,4vw,66px); line-height: 1.15; }
.launch-section > a { display: grid; grid-template-columns: 1fr auto; align-content: center; gap: 10px; padding: clamp(28px,5vw,80px); background: var(--cyan); color: #02100d; }
.launch-section a small { grid-column: 1; font: 12px/1 var(--mono); letter-spacing: .12em; opacity: .55; }
.launch-section a b { grid-column: 1; font-size: clamp(21px,2.3vw,38px); }
.launch-section a i { grid-column: 2; grid-row: 1/3; align-self: center; font: normal 40px/1 var(--mono); }
.launch-section > a:hover, .launch-section > a:focus-visible { background: #91ffeb; outline: 3px solid var(--paper); outline-offset: -7px; }
footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px clamp(24px,5vw,96px); color: #626b66; font: 12px/1.5 var(--mono); }
footer a { color: #929b96; } footer a:hover, footer a:focus-visible { color: var(--cyan); }
@media (max-width: 1050px) { .terminal-header { grid-template-columns: 1fr auto; } .terminal-header nav { display: none; } .terminal-hero { grid-template-columns: minmax(280px,.8fr) 1.2fr; } .hero-telemetry { display: none; } }
@media (max-width: 1050px) {
  .section-header, .protocol-copy { grid-template-columns: .35fr 1fr; } .section-header p, .protocol-copy p { grid-column: 2; }
  .archive-ledger article { grid-template-columns: 90px minmax(210px,.8fr) 1fr; } .archive-ledger meter { display: none; }
  .recovery-section { grid-template-columns: 120px 1fr; } .recovery-copy { grid-column: 1/-1; min-height: 460px; border-top: 1px solid var(--line); }
  .controls-section { grid-template-columns: 1fr 1fr; } .flight-envelope { grid-column: 1/-1; min-height: 360px; border-top: 1px solid var(--line); }
}
@media (max-width: 760px) {
  .terminal-header { height: 60px; } .brand { padding: 8px 14px; } .brand img { width: 36px; height: 36px; } .brand small { display: none; }
  .header-launch { max-width: 132px; padding: 0 14px; font-size: 12px; }
  .terminal-hero { min-height: auto; padding-top: 60px; grid-template-columns: 1fr; grid-template-rows: 42px auto 52svh 30px; }
  .terminal-hero::before { inset: 60px 0 30px; } .hero-status { padding: 0 14px; font-size: 12px; letter-spacing: .04em; }
  .hero-status span:first-child { max-width: 180px; } .hero-copy { border-right: 0; border-bottom: 1px solid var(--line); padding: 30px 20px 26px; }
  .eyebrow { margin-bottom: 26px; } .hero-copy h1 { font-size: clamp(64px,22vw,94px); } .hero-lead { margin: 34px 0 20px; }
  .primary-command { margin-top: 28px; } .hero-viewport { min-height: 52svh; } .hero-ticker { padding: 0 14px; }
  .section-header, .protocol-copy { min-height: auto; grid-template-columns: 1fr; padding: 72px 20px 46px; gap: 28px; }
  .section-header p, .protocol-copy p { grid-column: 1; } .section-header h2, .protocol-copy h2 { font-size: 42px; }
  .archive-ledger article { grid-template-columns: 72px 1fr; min-height: 0; } .archive-ledger article > * { padding: 24px 18px; }
  .archive-ledger pre { grid-column: 2; border-bottom: 1px solid #1c2421; } .archive-ledger article > div:nth-child(3) { grid-column: 2; }
  .protocol-section { padding: 72px 20px 52px; } .protocol-copy { padding: 0; }
  .mission-line { margin-top: 72px; grid-template-columns: 1fr; border-top: 0; border-left: 1px solid var(--cyan); }
  .mission-line li { min-height: 140px; padding: 8px 10px 30px 28px; border-right: 0; border-bottom: 1px solid var(--line); }
  .mission-line li::before { top: 0; left: -5px; } .mission-line span { margin-top: 20px; } .protocol-readout { display: none; }
  .recovery-section { grid-template-columns: 1fr; } .recovery-index { grid-template-columns: repeat(3,1fr); grid-template-rows: 58px 70px; border-right: 0; }
  .recovery-index > span { grid-column: 1/-1; padding: 20px; writing-mode: initial; }
  .recovery-index button { border-right: 1px solid var(--line); } .recovery-monitor { min-height: 500px; border-right: 0; }
  #recovery-ascii { font-size: clamp(12px,3.2vw,16px); } .recovery-copy { min-height: 500px; padding: 72px 20px; }
  .controls-section { grid-template-columns: 1fr; } .controls-heading, .key-map, .flight-envelope { padding: 72px 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .controls-heading { min-height: 520px; } .key-map > div { grid-template-columns: 48px 48px 1fr; } kbd { width: 44px; height: 44px; }
  .launch-section { grid-template-columns: 1fr; } .launch-section > div { min-height: 330px; } .launch-section > a { min-height: 180px; }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }