/* ============================================================
   HALO OS — spacecraft mission-control HUD
   Palette: near-black · phosphor cyan · amber warnings · dim grid
   Type: Chakra Petch (display) · JetBrains Mono (telemetry)
   ============================================================ */
:root{
  --bg:#04070d;
  --bg-2:#070c15;
  --panel:#080e18;
  --panel-2:#0a1220;
  --cyan:#4de8ff;
  --cyan-deep:#1f7f95;
  --amber:#ffb020;
  --amber-deep:#a8710f;
  --ink:#dcecf3;
  --dim:#8aa3b1;
  --faint:#5f7c8c;
  --line:rgba(77,232,255,.16);
  --line-soft:rgba(77,232,255,.08);
  --grid:rgba(77,232,255,.045);
  --glow:0 0 10px rgba(77,232,255,.45);
  --glow-soft:0 0 20px rgba(77,232,255,.22);
  --amber-glow:0 0 10px rgba(255,176,32,.5);
  --max:1360px;
  --ease:cubic-bezier(.22,1,.30,1);
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --disp:"Chakra Petch",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--disp);font-weight:400;line-height:1.5;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-weight:600;line-height:1;letter-spacing:.005em}
::selection{background:var(--cyan);color:#04070d;text-shadow:none}

/* ---------- background layers ---------- */
.bg-grid,.bg-scan,.bg-vignette{position:fixed;inset:0;pointer-events:none;z-index:0}
.bg-grid{
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(circle at 50% 42%,#000 0%,#000 42%,transparent 88%);
  -webkit-mask-image:radial-gradient(circle at 50% 42%,#000 0%,#000 42%,transparent 88%);
}
.bg-scan{
  background:repeating-linear-gradient(0deg,rgba(77,232,255,.028) 0 1px,transparent 1px 3px);
  opacity:.5;mix-blend-mode:screen;animation:scan 8s linear infinite;
}
@keyframes scan{to{background-position:0 300px}}
.bg-vignette{
  background:
    radial-gradient(120% 90% at 50% -8%,rgba(77,232,255,.06),transparent 60%),
    radial-gradient(100% 100% at 50% 120%,rgba(255,176,32,.04),transparent 55%),
    radial-gradient(80% 80% at 50% 50%,transparent 40%,rgba(0,0,0,.55) 100%);
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px clamp(16px,3.4vw,40px);
  font-family:var(--mono);
  background:linear-gradient(var(--bg),rgba(4,7,13,.4) 70%,transparent);
  border-bottom:1px solid transparent;transition:border-color .4s,background .4s;
}
.nav.scrolled{background:rgba(4,7,13,.86);border-bottom-color:var(--line);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--disp);font-weight:700;
  font-size:1.06rem;letter-spacing:.14em}
.brand-mark{color:var(--cyan);font-size:1.15rem;text-shadow:var(--glow);animation:spin-mark 9s linear infinite}
@keyframes spin-mark{to{transform:rotate(360deg)}}
.brand-txt b{color:var(--cyan);font-weight:700}
.nav-links{display:flex;gap:clamp(14px,2.2vw,30px);align-items:center;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.nav-links a{position:relative;padding:4px 0;transition:color .25s}
.nav-links a:hover{color:var(--cyan)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;
  background:var(--cyan);box-shadow:var(--glow);transition:right .3s var(--ease)}
.nav-links a:hover::after{right:0}
.nav-clock{display:flex;align-items:center;gap:8px;font-size:.72rem;letter-spacing:.1em;color:var(--dim)}
.clk-utc{color:var(--cyan);text-shadow:var(--glow-soft);font-variant-numeric:tabular-nums;min-width:9ch}
.clk-sep{color:var(--faint)}
.clk-phase{color:var(--dim)}
@media(max-width:760px){.nav-clock{display:none}}
@media(max-width:520px){.nav-links a[href="#log"]{display:none}}

/* ---------- shared section chrome ---------- */
main{position:relative;z-index:1}
section{padding:clamp(64px,10vh,140px) clamp(16px,4vw,48px);position:relative}
.sec-head{max-width:var(--max);margin:0 auto clamp(36px,5vw,64px)}
.kicker{font-family:var(--mono);font-size:.74rem;letter-spacing:.28em;color:var(--cyan);
  text-shadow:var(--glow-soft);margin-bottom:1.1rem}
h2{font-family:var(--disp);font-weight:600;font-size:clamp(1.9rem,5.2vw,3.6rem);
  line-height:1.02;letter-spacing:-.01em;max-width:18ch}
.sec-note{margin-top:1.2rem;max-width:58ch;color:var(--dim);font-size:clamp(1rem,1.4vw,1.14rem);font-weight:400}

/* ============================================================
   HERO
   ============================================================ */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(90px,12vh,120px) clamp(16px,4vw,48px) clamp(48px,7vh,72px);position:relative}
.hero-inner{width:100%;max-width:var(--max);margin:0 auto;
  border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(160deg,rgba(8,14,24,.6),rgba(5,9,15,.35));
  box-shadow:inset 0 0 60px rgba(77,232,255,.04),0 30px 80px -40px rgba(0,0,0,.8);
  overflow:hidden;position:relative}
.hero-inner::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,var(--cyan),transparent 12%) top left/100% 2px no-repeat}

.console-top{display:flex;align-items:center;gap:clamp(10px,2vw,26px);flex-wrap:wrap;
  padding:12px clamp(16px,2.4vw,26px);border-bottom:1px solid var(--line-soft);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--dim)}
.ct-id i{color:var(--ink);font-style:normal}
.ct-build{color:var(--faint)}
.ct-status{margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan);text-shadow:var(--glow-soft)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow);
  animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}

.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,540px) minmax(210px,278px);
  gap:clamp(20px,2.6vw,40px);align-items:center;
  padding:clamp(24px,3vw,46px) clamp(18px,2.6vw,34px) clamp(28px,3.4vw,48px)}

/* hero identity */
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--dim);margin-bottom:1.1rem}
.wordmark{display:flex;align-items:baseline;gap:.24em;flex-wrap:wrap;
  font-family:var(--disp);font-weight:700;
  font-size:clamp(3.4rem,9vw,6.4rem);line-height:.86;letter-spacing:-.01em}
.wordmark .w1{color:var(--ink)}
.wordmark .w2{color:transparent;-webkit-text-stroke:1.6px var(--cyan);
  text-shadow:0 0 24px rgba(77,232,255,.4)}
.tagline{margin-top:.7rem;font-family:var(--mono);font-size:clamp(.9rem,1.5vw,1.06rem);
  letter-spacing:.06em;color:var(--cyan);text-shadow:var(--glow-soft)}
.lede{margin-top:1.3rem;max-width:40ch;color:var(--dim);font-weight:400;
  font-size:clamp(.98rem,1.2vw,1.08rem)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.7rem}
.btn{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  padding:12px 20px;border-radius:7px;border:1px solid var(--line);transition:.25s var(--ease);cursor:pointer}
.btn-primary{background:rgba(77,232,255,.1);border-color:var(--cyan);color:var(--cyan);text-shadow:var(--glow-soft)}
.btn-primary:hover{background:var(--cyan);color:#04070d;text-shadow:none;box-shadow:var(--glow)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.lead-vitals{display:flex;gap:clamp(14px,2vw,26px);margin-top:1.8rem;flex-wrap:wrap}
.lead-vitals div{display:flex;flex-direction:column;gap:3px}
.lead-vitals dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.lead-vitals dd{font-family:var(--mono);font-size:1rem;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- the HUD stage ---------- */
.stage-wrap{display:flex;justify-content:center;align-items:center}
.stage{position:relative;width:100%;aspect-ratio:1/1;max-width:540px;color:var(--cyan-deep)}
.hud-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hud-frame{position:absolute;inset:0;width:100%;height:100%;color:rgba(77,232,255,.32);overflow:visible}
.hf-corners{filter:drop-shadow(0 0 3px rgba(77,232,255,.5))}
.hf-cross{stroke-dasharray:2 5;opacity:.55}
.hf-ret{opacity:.7}
.hf-t{font-family:var(--mono);font-size:18px;letter-spacing:2.5px;fill:rgba(77,232,255,.6)}
.stage-tag{position:absolute;font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;
  display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border:1px solid var(--line);
  border-radius:4px;background:rgba(4,7,13,.7);color:var(--cyan);text-shadow:var(--glow-soft);white-space:nowrap}
.stage-tag i{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow)}
.stage-tag-craft{top:11%;right:4%}
.stage-tag-craft b{color:var(--ink);margin-left:2px}
.stage-tag-lock{bottom:12%;left:3%;color:var(--amber);border-color:rgba(255,176,32,.4);text-shadow:var(--amber-glow)}
.stage-tag-lock i{background:var(--amber);box-shadow:var(--amber-glow);animation:pulse 1.4s ease-in-out infinite}

/* ---------- primary telemetry column ---------- */
.tele-col{display:flex;flex-direction:column;gap:12px}
.tele{border:1px solid var(--line-soft);border-radius:8px;padding:11px 13px;
  background:linear-gradient(rgba(77,232,255,.03),transparent);position:relative;overflow:hidden}
.tele::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--cyan);
  box-shadow:var(--glow);opacity:.7}
.tele-label{display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dim);margin-bottom:5px}
.tele-label b{color:var(--cyan);font-weight:500}
.tele-value{display:flex;align-items:baseline;gap:5px;font-family:var(--disp);font-weight:600}
.tele-value b{font-size:1.5rem;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.tele-value i{font-family:var(--mono);font-size:.7rem;font-style:normal;color:var(--dim)}
.tele-bar{display:block;height:3px;margin-top:8px;background:rgba(77,232,255,.1);border-radius:3px;overflow:hidden}
.tele-fill{display:block;height:100%;width:60%;background:var(--cyan);box-shadow:var(--glow);
  transition:width .6s var(--ease)}
.tele-stream::before{background:var(--amber);box-shadow:var(--amber-glow)}
.tele-stream .tele-label b{color:var(--amber)}
.stream-canvas{display:block;width:100%;height:52px;margin-top:6px}

/* scroll cue */
.scroll-cue{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);
  font-family:var(--mono);font-size:.64rem;letter-spacing:.24em;color:var(--dim);
  display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue span{width:1px;height:28px;background:linear-gradient(var(--cyan),transparent);
  animation:cue 2s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}
.scroll-cue:hover{color:var(--cyan)}

/* ============================================================
   SUBSYSTEMS
   ============================================================ */
.sub-grid{max-width:var(--max);margin:0 auto;display:grid;
  grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.4vw,18px)}
.sub{border:1px solid var(--line-soft);border-radius:12px;padding:clamp(16px,1.6vw,22px);
  background:linear-gradient(165deg,rgba(10,18,32,.7),rgba(5,9,15,.5));position:relative;
  overflow:hidden;transition:border-color .35s,transform .35s var(--ease),box-shadow .35s}
.sub::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:12px;
  box-shadow:inset 0 0 40px rgba(77,232,255,.05)}
.sub:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 24px 50px -30px rgba(77,232,255,.4)}
.sub-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin-bottom:6px}
.sub-idx{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;color:var(--faint)}
.sub-name{font-family:var(--disp);font-weight:600;font-size:1.14rem;color:var(--ink)}
.sub-state{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;padding:3px 8px;border-radius:4px;
  border:1px solid var(--cyan);color:var(--cyan);text-shadow:var(--glow-soft);white-space:nowrap}
.sub[data-state="warn"] .sub-state{border-color:var(--amber);color:var(--amber);text-shadow:var(--amber-glow)}
.sub[data-state="warn"] .sub-name{color:var(--amber)}
.gauge{display:block;width:100%;height:132px;margin:6px 0 10px}
.sub-desc{color:var(--dim);font-weight:400;font-size:.9rem;min-height:5.4em;line-height:1.5}
.sub-specs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;
  padding-top:12px;border-top:1px solid var(--line-soft)}
.sub-specs dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:3px}
.sub-specs dd{font-family:var(--mono);font-size:.92rem;color:var(--ink);font-variant-numeric:tabular-nums}

/* ============================================================
   MISSION LOG
   ============================================================ */
.terminal{max-width:var(--max);margin:0 auto;border:1px solid var(--line);border-radius:12px;
  background:linear-gradient(rgba(8,14,24,.8),rgba(4,7,13,.9));overflow:hidden;
  box-shadow:inset 0 0 60px rgba(77,232,255,.04)}
.term-bar{display:flex;align-items:center;gap:8px;padding:11px 16px;border-bottom:1px solid var(--line-soft);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--dim)}
.tb-dot{width:9px;height:9px;border-radius:50%;background:var(--faint)}
.tb-dot:nth-child(1){background:var(--amber);box-shadow:var(--amber-glow)}
.tb-dot:nth-child(3){background:var(--cyan);box-shadow:var(--glow)}
.tb-title{margin-left:8px}
.tb-clock{margin-left:auto;color:var(--cyan);text-shadow:var(--glow-soft);font-variant-numeric:tabular-nums}
.log-list{list-style:none;max-height:min(52vh,440px);overflow-y:auto;padding:6px 0}
.log-list::-webkit-scrollbar{width:8px}
.log-list::-webkit-scrollbar-thumb{background:rgba(77,232,255,.18);border-radius:8px}
.log-row{display:grid;grid-template-columns:auto auto 1fr;gap:clamp(10px,1.6vw,22px);align-items:baseline;
  padding:9px clamp(16px,2.4vw,26px);font-family:var(--mono);font-size:.82rem;
  border-bottom:1px solid var(--line-soft);color:var(--dim)}
.log-row:hover{background:rgba(77,232,255,.04)}
.log-t{color:var(--cyan);text-shadow:var(--glow-soft);white-space:nowrap;font-variant-numeric:tabular-nums}
.log-tag{color:var(--ink);letter-spacing:.06em;min-width:5ch}
.log-tag[data-lv="warn"]{color:var(--amber);text-shadow:var(--amber-glow)}
.log-msg{color:var(--dim)}
.log-msg b{color:var(--ink);font-weight:500}
.log-row.fresh{animation:logIn .5s var(--ease)}
@keyframes logIn{from{opacity:0;transform:translateY(-6px);background:rgba(77,232,255,.1)}to{opacity:1;transform:none}}
@media(max-width:600px){
  .log-row{grid-template-columns:auto 1fr;gap:8px 12px}
  .log-msg{grid-column:1/-1}
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{padding:clamp(48px,7vw,80px) clamp(16px,4vw,48px);border-top:1px solid var(--line);
  background:linear-gradient(transparent,rgba(77,232,255,.03));position:relative;z-index:1}
.foot-inner{max-width:var(--max);margin:0 auto;display:grid;gap:1.4rem}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;
  font-size:1.5rem;letter-spacing:.1em}
.foot-brand b{color:var(--cyan)}
.foot-line{max-width:60ch;color:var(--dim);font-weight:400}
.foot-meta{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:1.2rem;border-top:1px solid var(--line-soft);
  font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:var(--faint)}
.foot-meta b{color:var(--ink)}
.foot-meta a{color:var(--cyan)}
.foot-meta a:hover{text-shadow:var(--glow)}

/* ============================================================
   REVEALS — JS-gated. Reveal rule MUST out-specify the hide rule.
   ============================================================ */
.js .reveal{opacity:0;transform:translateY(34px)}
.js .reveal.is-in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}

/* hero intro — compositor-driven via .loaded */
.js .hero-inner{opacity:0;transform:translateY(24px) scale(.99);
  transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.js .hero.loaded .hero-inner{opacity:1;transform:none}
.js .console-top,.js .hero-lead>*,.js .tele-col>*,.js .stage-wrap{opacity:0;transform:translateY(18px);
  transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .hero.loaded .console-top{opacity:1;transform:none;transition-delay:.15s}
.js .hero.loaded .hero-lead>*{opacity:1;transform:none}
.js .hero.loaded .hero-lead>*:nth-child(1){transition-delay:.24s}
.js .hero.loaded .hero-lead>*:nth-child(2){transition-delay:.32s}
.js .hero.loaded .hero-lead>*:nth-child(3){transition-delay:.40s}
.js .hero.loaded .hero-lead>*:nth-child(4){transition-delay:.48s}
.js .hero.loaded .hero-lead>*:nth-child(5){transition-delay:.56s}
.js .hero.loaded .hero-lead>*:nth-child(6){transition-delay:.64s}
.js .hero.loaded .stage-wrap{opacity:1;transform:none;transition-delay:.34s;transition-duration:1.1s}
.js .hero.loaded .tele-col>*{opacity:1;transform:none}
.js .hero.loaded .tele-col>*:nth-child(1){transition-delay:.5s}
.js .hero.loaded .tele-col>*:nth-child(2){transition-delay:.58s}
.js .hero.loaded .tele-col>*:nth-child(3){transition-delay:.66s}
.js .hero.loaded .tele-col>*:nth-child(4){transition-delay:.74s}
.js .hero.loaded .tele-col>*:nth-child(5){transition-delay:.82s}

/* ---------- focus ---------- */
a:focus-visible,.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:4px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:clamp(24px,4vw,40px)}
  .hero-lead{text-align:left}
  .stage{max-width:min(88vw,480px);margin:0 auto}
  .tele-col{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
  .tele-stream{grid-column:1/-1}
  .sub-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .hero-inner{border-radius:10px}
  .tele-col{grid-template-columns:1fr 1fr}
  .sub-grid{grid-template-columns:1fr}
  .sub-desc{min-height:0}
  .wordmark{font-size:clamp(3rem,17vw,5rem)}
}
@media(max-width:380px){
  .tele-col{grid-template-columns:1fr}
}

/* ============================================================
   REDUCED MOTION — freeze all motion, force content visible
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .bg-scan{display:none}
  .js .reveal,.js .reveal.is-in,
  .js .hero-inner,.js .console-top,.js .hero-lead>*,.js .tele-col>*,.js .stage-wrap{
    opacity:1!important;transform:none!important}
  .scroll-cue span{opacity:.6}
}