*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ol,ul{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse}

:root{
  --ink-950:#07131F;
  --ink-850:#0D2033;
  --ink-700:#1B3348;
  --cream-100:#F3ECDE;
  --cream-200:#E3D7C3;
  --dusk-500:#3F8C8A;
  --dusk-300:#8ACCC6;
  --neon-500:#FF6A2A;
  --neon-200:#FFB183;
  --mist-300:#A8B9C6;
  --white:#FFFFFF;
  --clay-600:#C7472F;

  --font-display:"HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","HarmonyOS Sans SC",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell:1240px;
  --gutter:clamp(20px,4vw,64px);
  --gap:24px;
  --header-h:76px;
  --dur:180ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-soft:0 1px 0 rgba(255,255,255,.04),0 24px 48px -32px rgba(0,0,0,.9);
}

::selection{background:var(--neon-500);color:var(--ink-950)}

body{
  min-height:100vh;
  background-color:var(--ink-950);
  background-image:
    radial-gradient(1200px 620px at 84% -12%,rgba(63,140,138,.15),transparent 62%),
    radial-gradient(900px 520px at 4% 6%,rgba(255,106,42,.07),transparent 64%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--mist-300);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  color:var(--white);
  font-weight:800;
  line-height:1.15;
  letter-spacing:.01em;
}
h1{font-size:clamp(34px,4.5vw,56px);font-weight:800;line-height:1.08}
h2{font-size:clamp(26px,3vw,38px)}
h3{font-size:22px;font-weight:700;line-height:1.25}
p{color:var(--mist-300)}

.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--neon-200);
  outline-offset:3px;
  border-radius:2px;
}

.sr-only{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.skip-link{
  position:fixed;
  top:8px;left:8px;
  z-index:200;
  padding:10px 18px;
  background:var(--cream-100);
  color:var(--ink-950);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.site-main{display:block}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background-color:transparent;
  border-bottom:1px solid transparent;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(to bottom,rgba(7,19,31,.94) 40%,rgba(7,19,31,0) 100%);
  opacity:1;
  pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.site-header[data-scrolled]{
  background-color:var(--ink-850);
  border-bottom-color:var(--ink-700);
}
.site-header[data-scrolled]::before{opacity:0}

.header-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:rgba(27,51,72,.55);
  overflow:hidden;
  pointer-events:none;
}
.header-progress-bar{
  display:block;
  width:100%;height:100%;
  background:linear-gradient(90deg,var(--dusk-500),var(--neon-500));
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform 90ms linear;
}

.header-inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,24px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
}

.brand{
  display:grid;
  grid-template-columns:auto auto;
  align-items:baseline;
  column-gap:10px;
  row-gap:3px;
  padding-block:10px;
  flex:0 0 auto;
  color:var(--white);
}
.brand-mark{
  grid-column:1;
  font-family:var(--font-display);
  font-size:clamp(18px,1.6vw,21px);
  font-weight:800;
  letter-spacing:.08em;
  line-height:1;
  color:var(--white);
  transition:color var(--dur) var(--ease);
}
.brand-sub{
  grid-column:2;
  font-size:11px;
  letter-spacing:.3em;
  line-height:1;
  color:var(--dusk-300);
  transform:translateY(-1px);
}
.brand-mono{
  grid-column:1 / -1;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.18em;
  line-height:1;
  color:var(--mist-300);
  opacity:.75;
}
.brand:hover .brand-mark{color:var(--neon-200)}

.site-nav{margin-left:auto}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 11px;
  font-size:14px;
  letter-spacing:.02em;
  line-height:1.4;
  color:var(--mist-300);
  white-space:nowrap;
  border-radius:2px;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:1px;
  height:2px;
  background:var(--neon-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-link:hover{color:var(--white);background-color:rgba(27,51,72,.45)}
.nav-link:hover::after{transform:scaleX(1);background:var(--dusk-300)}
.nav-link[aria-current="page"]{color:var(--white)}
.nav-link[aria-current="page"]::after{transform:scaleX(1);background:var(--neon-500)}

.header-utility{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:12px;
  flex:0 0 auto;
}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 11px;
  border:1px solid var(--ink-700);
  border-radius:999px;
  background:rgba(13,32,51,.62);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.2;
  color:var(--dusk-300);
  white-space:nowrap;
}
.status-dot{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--neon-500);
  box-shadow:0 0 0 3px rgba(255,106,42,.18);
  flex:0 0 auto;
}

.btn{
  --btn-bg:transparent;
  --btn-fg:var(--white);
  --btn-bd:var(--ink-700);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.05em;
  line-height:1;
  text-align:center;
  color:var(--btn-fg);
  background-color:var(--btn-bg);
  border:1px solid var(--btn-bd);
  border-radius:2px;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn-neon{
  --btn-bg:var(--neon-500);
  --btn-bd:var(--neon-500);
  --btn-fg:#0A1420;
  box-shadow:0 0 0 0 rgba(255,106,42,0);
}
.btn-neon:hover{
  --btn-bg:var(--neon-200);
  --btn-bd:var(--neon-200);
  box-shadow:0 12px 28px -16px rgba(255,106,42,.95);
}
.btn-ghost{
  --btn-bg:transparent;
  --btn-bd:var(--ink-700);
  --btn-fg:var(--white);
}
.btn-ghost:hover{--btn-bd:var(--neon-500);--btn-fg:var(--neon-200)}
.btn-sm{padding:8px 14px;font-size:13px}

.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  margin-left:8px;
  flex:0 0 auto;
  color:var(--white);
  background-color:rgba(13,32,51,.7);
  border:1px solid var(--ink-700);
  border-radius:2px;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle-box{display:grid;gap:4px;width:18px}
.nav-toggle-box span{
  display:block;
  height:2px;
  background:currentColor;
  transform-origin:center;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle{
  border-color:var(--neon-500);
  color:var(--neon-200);
  background-color:rgba(255,106,42,.12);
}
.site-header[data-open] .nav-toggle-box span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle-box span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-box span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(64px,9vw,120px);
  background-color:var(--ink-950);
  border-top:1px solid var(--ink-700);
  color:var(--mist-300);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:clamp(120px,20vw,260px);
  height:1px;
  background:var(--dusk-500);
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(220px,1.4fr) repeat(3,minmax(150px,1fr));
  gap:clamp(32px,4vw,56px) clamp(24px,3vw,48px);
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(48px,6vw,84px) var(--gutter) clamp(36px,4vw,56px);
}
.footer-brand-mark{
  font-family:var(--font-display);
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;
  letter-spacing:.06em;
  line-height:1.1;
  color:var(--white);
}
.footer-brand-sub{
  margin-top:12px;
  font-size:14px;
  letter-spacing:.06em;
  color:var(--mist-300);
}
.footer-mono{
  margin-top:20px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  line-height:1.4;
  color:var(--dusk-500);
}
.footer-col-title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:10px;
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px solid var(--ink-700);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.22em;
  line-height:1.4;
  color:var(--dusk-300);
}
.footer-col-title::after{
  content:attr(data-index);
  font-size:10px;
  letter-spacing:.1em;
  color:var(--ink-700);
}
.footer-list{display:grid;gap:1px}
.footer-list a{
  position:relative;
  display:inline-block;
  padding:7px 0;
  font-size:14px;
  color:var(--mist-300);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-list a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:0;height:1px;
  background:var(--neon-500);
  transform:translateY(-50%);
  transition:width var(--dur) var(--ease);
}
.footer-list a:hover{color:var(--white);padding-left:14px}
.footer-list a:hover::before{width:8px}
.footer-contact{margin-top:16px}
.footer-contact p{
  font-size:13px;
  line-height:1.8;
  color:rgba(168,185,198,.82);
  letter-spacing:.02em;
}
.footer-contact .mono{color:var(--dusk-300)}
.footer-base{border-top:1px solid var(--ink-700)}
.footer-base-inner{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 32px;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:22px var(--gutter) clamp(28px,4vw,40px);
}
.footer-copy{
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.7;
  letter-spacing:.05em;
  color:rgba(168,185,198,.72);
}

/* ---------- Shared content components ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  line-height:1.4;
  color:var(--dusk-300);
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--neon-500);
  flex:0 0 auto;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px 24px;
  padding-bottom:14px;
  margin-bottom:clamp(24px,3vw,40px);
  border-bottom:1px solid var(--ink-700);
}
.section-title{font-size:clamp(24px,2.7vw,32px)}
.section-kicker{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  line-height:1.6;
  color:var(--mist-300);
}
.lead{
  font-size:clamp(17px,1.6vw,19px);
  line-height:1.7;
  color:var(--cream-200);
}
.prose{max-width:760px}
.prose > * + *{margin-top:1.2em}
.prose h2{margin-top:1.8em;font-size:clamp(22px,2.4vw,30px)}
.prose h3{margin-top:1.6em}
.prose strong{color:var(--white);font-weight:700}
.prose a{
  color:var(--dusk-300);
  border-bottom:1px solid var(--ink-700);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.prose a:hover{color:var(--neon-200);border-bottom-color:var(--neon-500)}
.prose ul,.prose ol{padding-left:1.25em;color:var(--mist-300)}
.prose li + li{margin-top:.5em}
.prose blockquote{
  padding-left:18px;
  border-left:2px solid var(--neon-500);
  color:var(--cream-200);
}
.panel-cream{
  padding:clamp(24px,3vw,40px);
  background-color:var(--cream-100);
  border:1px solid var(--cream-200);
  border-radius:2px;
  color:var(--ink-950);
  box-shadow:var(--shadow-soft);
}
.panel-cream h2,.panel-cream h3,.panel-cream h4{color:var(--ink-950)}
.panel-cream p,.panel-cream li{color:#1E2C38}
.panel-cream a{
  color:var(--ink-850);
  border-bottom:1px solid rgba(7,19,31,.3);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.panel-cream a:hover{border-bottom-color:var(--ink-950);color:#000}
.card{
  position:relative;
  padding:clamp(18px,2vw,26px);
  background-color:var(--ink-850);
  border:1px solid var(--ink-700);
  border-radius:2px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,106,42,.6);
  box-shadow:0 24px 48px -34px rgba(0,0,0,.95),0 0 0 1px rgba(255,106,42,.12);
}
.card:focus-within{border-color:var(--neon-500)}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--ink-700);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.6;
  color:var(--mist-300);
  white-space:nowrap;
}
.tag-dusk{
  color:var(--dusk-300);
  border-color:rgba(63,140,138,.5);
  background-color:rgba(63,140,138,.12);
}
.tag-neon{
  color:var(--neon-200);
  border-color:rgba(255,106,42,.45);
  background-color:rgba(255,106,42,.1);
}
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--ink-700);
  border-radius:2px;
  background-color:var(--ink-850);
  background-image:
    linear-gradient(135deg,rgba(63,140,138,.18),transparent 58%),
    repeating-linear-gradient(to right,rgba(27,51,72,.55) 0 1px,transparent 1px 72px);
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture > img{
  width:100%;height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--portrait{aspect-ratio:3 / 4}
.media-frame-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  line-height:1.6;
  color:var(--mist-300);
}
.breadcrumbs{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;line-height:1.6}
.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs-item{display:inline-flex;align-items:center;gap:8px;color:var(--mist-300)}
.breadcrumbs-item + .breadcrumbs-item::before{content:"/";color:var(--ink-700)}
.breadcrumbs-link{color:var(--dusk-300);transition:color var(--dur) var(--ease)}
.breadcrumbs-link:hover{color:var(--neon-200)}
.breadcrumbs-item[aria-current="page"]{color:var(--white)}
.disclosure{
  border-top:1px solid var(--ink-700);
  padding:2px 0;
}
.disclosure summary{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  padding:16px 0 16px 14px;
  border-left:2px solid transparent;
  list-style:none;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  color:var(--white);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.disclosure summary::-webkit-details-marker{display:none}
.disclosure summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:18px;
  line-height:1;
  color:var(--dusk-300);
  flex:0 0 auto;
}
.disclosure[open] summary{border-left-color:var(--neon-500);color:var(--neon-200)}
.disclosure[open] summary::after{content:"−";color:var(--neon-500)}
.disclosure-body{
  padding:0 0 18px 14px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist-300);
}
.vertical-note{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.3em;
  line-height:1;
  color:var(--dusk-500);
}
.rule{height:1px;border:0;margin:0;background:var(--ink-700)}
.grid{display:grid;gap:var(--gap)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.split-brand{
  display:grid;
  grid-template-columns:38fr 62fr;
  gap:clamp(24px,4vw,72px);
}

@media (max-width:1120px){
  .status-chip{display:none}
}
@media (max-width:960px){
  :root{--header-h:66px}
  .nav-toggle{display:inline-flex}
  .header-utility{margin-left:auto}
  .site-nav{
    position:fixed;
    inset:auto 0 0 0;
    z-index:90;
    margin-left:0;
    max-height:82vh;
    overflow-y:auto;
    padding:18px var(--gutter) calc(24px + env(safe-area-inset-bottom,0px));
    background-color:var(--ink-850);
    border-top:1px solid var(--ink-700);
    box-shadow:0 -32px 64px -30px rgba(0,0,0,.95);
    transform:translateY(112%);
    visibility:hidden;
    transition:transform 240ms var(--ease),visibility 0s linear 240ms;
  }
  .site-header[data-open] .site-nav{
    transform:translateY(0);
    visibility:visible;
    transition:transform 240ms var(--ease),visibility 0s linear 0s;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:block;
    padding:14px 10px;
    font-size:17px;
    border-bottom:1px solid var(--ink-700);
  }
  .nav-link::after{display:none}
  .nav-link:hover{background-color:rgba(27,51,72,.4)}
  .nav-link[aria-current="page"]{
    color:var(--neon-200);
    border-left:2px solid var(--neon-500);
    padding-left:14px;
  }
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .split-brand{grid-template-columns:1fr}
}
@media (max-width:620px){
  .brand-sub{display:none}
  .brand{grid-template-columns:auto}
  .header-utility .btn-sm{padding:8px 11px;font-size:12px;letter-spacing:.02em}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-base-inner{flex-direction:column}
  .footer-copy{font-size:11px}
  .grid-12{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .btn:hover,.card:hover{transform:none}
  .footer-list a:hover{padding-left:0}
  .footer-list a:hover::before{width:0}
}