*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

:root{
  --ink-900:#061426;
  --ink-700:#0B2B4A;
  --panel-500:#123B5E;
  --orange-500:#FF6A1A;
  --orange-300:#FF9A5C;
  --cyan-400:#35E0D0;
  --white:#F5F9FF;
  --mist:#9FB3C8;
  --ice:#E8F1FA;
  --black:#08131F;
  --yellow:#FFC24B;
  --red:#E5484D;
  --rail-w:76px;
  --rail-open:296px;
  --topbar-h:64px;
  --gap-1:8px;
  --gap-2:16px;
  --gap-3:24px;
  --gap-4:40px;
  --gap-5:64px;
  --line:rgba(159,179,200,.22);
  --line-strong:rgba(159,179,200,.42);
  --font-display:"Barlow Condensed","Oswald","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
}

body{
  padding-top:var(--topbar-h);
  background:var(--ink-900);
  color:var(--white);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}

h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:800;line-height:1.08;letter-spacing:-.015em}
p{overflow-wrap:break-word}
a{color:inherit;text-decoration:none}
strong,b{font-weight:700}

:focus-visible{outline:2px solid var(--cyan-400);outline-offset:3px}

.skip-link{
  position:fixed;top:8px;left:8px;z-index:999;
  transform:translateY(-260%);
  display:inline-block;
  padding:10px 18px;
  background:var(--cyan-400);
  color:var(--black);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ===== header / rail ===== */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:200;
  display:flex;
  align-items:center;
  gap:12px;
  height:var(--topbar-h);
  padding:0 16px;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.rail-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex:1 1 auto;
  min-width:0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  color:var(--white);
  text-decoration:none;
}
.brand__mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  flex:0 0 44px;
  background:var(--orange-500);
  color:var(--black);
  font-family:var(--font-display);
  font-weight:800;
  font-size:22px;
  line-height:1;
  transform:skewX(-6deg);
}
.brand__mark > span{transform:skewX(6deg)}
.brand__body{display:flex;flex-direction:column;gap:1px;min-width:0;white-space:nowrap}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:19px;
  letter-spacing:0;
  line-height:1.1;
  color:var(--white);
}
.brand__line{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--mist);
  line-height:1.4;
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:8px 12px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--white);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--orange-500);color:var(--orange-300)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:2px;width:100%;background:currentColor;transition:transform .22s ease,opacity .18s ease}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav{
  position:fixed;
  inset:var(--topbar-h) 0 0 0;
  z-index:190;
  padding:20px 16px 132px;
  background:var(--ink-700);
  background-image:linear-gradient(180deg,rgba(53,224,208,.06),transparent 220px);
  overflow-y:auto;
  overflow-x:hidden;
  transform:translateX(-100%);
  visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.site-header[data-open] .nav{transform:none;visibility:visible}
.nav__list{display:flex;flex-direction:column;gap:2px}
.nav__link{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 12px;
  border-left:2px solid transparent;
  color:var(--white);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav__link:hover,
.nav__link:focus-visible{background:rgba(53,224,208,.08);border-left-color:var(--orange-300)}
.nav__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(255,106,26,.22),rgba(255,106,26,0));
  border-left-color:var(--orange-500);
}
.nav__num{
  flex:0 0 auto;
  min-width:22px;
  padding-top:3px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--cyan-400);
}
.nav__link[aria-current="page"] .nav__num{color:var(--orange-300)}
.nav__stack{display:flex;flex-direction:column;gap:0;min-width:0}
.nav__text{font-size:16px;font-weight:500;line-height:1.45;white-space:nowrap}
.nav__link[aria-current="page"] .nav__text{color:var(--orange-300)}
.nav__desc{
  max-height:0;
  opacity:0;
  overflow:hidden;
  font-size:12px;
  line-height:1.6;
  color:var(--mist);
  white-space:nowrap;
  transition:max-height .22s ease,opacity .22s ease;
}

.rail__foot{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:195;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  background:var(--ink-900);
  border-top:1px solid var(--line);
}
.site-header[data-open] .rail__foot{display:flex}
.status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--cyan-400);
  white-space:nowrap;
}
.status__dot{
  width:6px;height:6px;flex:0 0 6px;
  background:var(--cyan-400);
  border-radius:50%;
  box-shadow:0 0 0 0 rgba(53,224,208,.6);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,224,208,.55)}
  70%{box-shadow:0 0 0 7px rgba(53,224,208,0)}
  100%{box-shadow:0 0 0 0 rgba(53,224,208,0)}
}

/* ===== buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 20px;
  border:1px solid transparent;
  background:transparent;
  color:var(--white);
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  line-height:1.2;
  text-align:center;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--orange-500);color:var(--black)}
.btn--primary:hover{background:var(--orange-300);color:var(--black)}
.btn--ghost{border-color:var(--line-strong);color:var(--white)}
.btn--ghost:hover{border-color:var(--orange-500);color:var(--orange-300)}
.btn--rail{
  width:auto;
  padding:12px 20px;
  background:var(--orange-500);
  color:var(--black);
  font-size:15px;
  white-space:nowrap;
}
.btn--rail:hover{background:var(--orange-300);color:var(--black)}
.btn__text{display:inline-block}

/* ===== footer ===== */
.site-footer{
  position:relative;
  background:var(--ink-700);
  border-top:1px solid var(--line);
  color:var(--white);
}
.footer-band{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  padding:18px 20px;
  background:var(--panel-500);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.footer-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(53,224,208,.14) 0 1px,transparent 1px 28px);
  opacity:.55;
  pointer-events:none;
}
.footer-band__mark{
  position:relative;
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  letter-spacing:.16em;
  color:var(--orange-500);
  transform:skewX(-6deg);
}
.footer-band__text{position:relative;font-size:14px;color:var(--white);line-height:1.5}
.footer-band__cta{position:relative;margin-left:auto}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:36px 20px;
}
.footer-col{min-width:0}
.footer-brand{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:28px;
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--white);
}
.footer-note{font-size:13px;line-height:1.75;color:var(--mist);max-width:34ch}
.footer-heading{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  line-height:1.4;
  text-transform:uppercase;
  color:var(--cyan-400);
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{
  display:inline-block;
  font-size:14px;
  line-height:1.5;
  color:var(--mist);
  transition:color .18s ease;
}
.footer-list a:hover,.footer-list a:focus-visible{color:var(--orange-300)}
.footer-list--plain li{
  font-size:13px;
  line-height:1.6;
  color:var(--white);
  overflow-wrap:anywhere;
}
.footer-k{
  display:block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--cyan-400);
  margin-bottom:2px;
}
.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  padding:16px 20px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--mist);
}
.footer-copy,.footer-icp{margin:0}

/* ===== shared layout & components ===== */
.wrap{
  width:100%;
  max-width:1320px;
  margin-inline:auto;
  padding-inline:20px;
}
.section{padding-block:44px}
.grid{display:grid;gap:20px}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.stack{display:flex;flex-direction:column;gap:16px}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.rule{height:1px;border:0;margin:0;background:var(--line)}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--mist);
}
.crumbs a{color:var(--mist);transition:color .18s ease}
.crumbs a:hover{color:var(--cyan-400)}
.crumbs [aria-current="page"]{color:var(--white)}
.crumbs__sep{color:var(--line-strong)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan-400);
  line-height:1.4;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--orange-500);flex:0 0 26px}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.5;
  white-space:nowrap;
}
.chip--live{color:var(--cyan-400);border-color:rgba(53,224,208,.55);background:rgba(53,224,208,.08)}
.chip--new{background:var(--yellow);border-color:transparent;color:var(--black)}
.chip--hot{background:var(--orange-500);border-color:transparent;color:var(--black)}

.card{
  position:relative;
  padding:24px;
  background:var(--panel-500);
  border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--orange-500)}

.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--panel-500);
  border:1px solid var(--line);
}
.media > img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--portrait{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--ph::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(53,224,208,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(53,224,208,.10) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
}
.media__tag{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  padding:6px 12px;
  background:var(--orange-500);
  color:var(--black);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
}

[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-in{opacity:1;transform:none}

.scroll-progress{
  position:fixed;
  top:0;left:0;
  z-index:300;
  width:0;
  height:2px;
  background:linear-gradient(90deg,var(--orange-500),var(--cyan-400));
  pointer-events:none;
}

/* ===== tablet ===== */
@media (min-width:640px){
  .wrap{padding-inline:28px}
  .grid{gap:24px}
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px;padding:40px 24px}
  .footer-band{padding:20px 24px}
  .footer-base{padding:16px 24px}
  .section{padding-block:56px}
}

/* ===== desktop rail ===== */
@media (min-width:1000px){
  body{padding-top:0;padding-left:var(--rail-w)}
  .site-header{
    inset:0 auto 0 0;
    width:var(--rail-w);
    height:auto;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:0;
    border-bottom:0;
    border-right:1px solid var(--line);
    overflow:hidden;
    transition:width .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease;
  }
  .site-header:hover,
  .site-header:focus-within{
    width:var(--rail-open);
    box-shadow:48px 0 90px -46px rgba(3,10,20,.95);
    z-index:220;
  }
  .rail-head{
    flex:0 0 auto;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
  }
  .brand{
    gap:14px;
    padding:16px;
    min-height:76px;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .brand__body{opacity:0;transition:opacity .18s ease}
  .site-header:hover .brand__body,
  .site-header:focus-within .brand__body{opacity:1;transition-delay:.06s}
  .nav-toggle{display:none}

  .nav{
    position:static;
    inset:auto;
    z-index:auto;
    flex:1 1 auto;
    padding:8px 0;
    background:transparent;
    background-image:none;
    overflow-y:auto;
    overflow-x:hidden;
    transform:none;
    visibility:visible;
    transition:none;
  }
  .nav__list{gap:0}
  .nav__link{
    align-items:center;
    gap:12px;
    min-height:56px;
    padding:6px 16px;
    border-left-width:2px;
  }
  .nav__num{padding-top:0}
  .nav__stack{gap:0}
  .nav__text{font-size:15px;opacity:0;transition:opacity .16s ease}
  .site-header:hover .nav__text,
  .site-header:focus-within .nav__text{opacity:1;transition-delay:.05s}
  .nav__desc{white-space:nowrap;transition:max-height .24s ease,opacity .24s ease}
  .site-header:hover .nav__desc,
  .site-header:focus-within .nav__desc{max-height:24px;opacity:1;transition-delay:.08s}

  .rail__foot{
    position:static;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:10px;
    flex:0 0 auto;
    padding:14px 16px;
    background:transparent;
    border-top:1px solid var(--line);
    border-bottom:0;
  }
  .status{opacity:0;transition:opacity .18s ease}
  .site-header:hover .status,
  .site-header:focus-within .status{opacity:1;transition-delay:.06s}
  .btn--rail{
    width:44px;
    padding:0;
    font-size:0;
    min-height:44px;
    overflow:hidden;
    transition:width .26s cubic-bezier(.2,.7,.3,1),background .18s ease;
  }
  .btn--rail::before{content:"+";font-size:22px;font-weight:800;line-height:1}
  .btn--rail .btn__text{font-size:0;transition:font-size .2s ease}
  .site-header:hover .btn--rail,
  .site-header:focus-within .btn--rail{width:100%;padding:12px 16px}
  .site-header:hover .btn--rail::before,
  .site-header:focus-within .btn--rail::before{content:"";display:none}
  .site-header:hover .btn--rail .btn__text,
  .site-header:focus-within .btn--rail .btn__text{font-size:15px}

  .wrap{padding-inline:40px}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.6fr 1fr 1.1fr .8fr;gap:40px;padding:56px 40px}
  .footer-band{padding:22px 40px}
  .footer-base{padding:18px 40px}
}

@media (min-width:1300px){
  .wrap{padding-inline:56px}
  .section{padding-block:72px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .nav,.rail__foot,.brand__body,.nav__desc,.nav__text,.btn,.card,.site-header,.scroll-progress,[data-reveal]{transition-duration:.001ms !important;animation:none !important}
  [data-reveal]{opacity:1 !important;transform:none !important}
  .status__dot{animation:none !important}
  .btn:hover{transform:none}
  .card:hover{transform:none}
}