*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:#B8FF3D;color:#050D1A}

:root{
  --ink:#050D1A;
  --deep:#0A1A33;
  --paper:#F4EBDC;
  --paper-hi:#FFF7EA;
  --green:#B8FF3D;
  --orange:#FF6A1F;
  --line:#244A73;
  --cyan:#35D6C0;
  --mist:#8FA3B8;
  --brown:#C9B79A;

  --font-display:"Arial Black","Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-serif:Georgia,"Songti SC","Source Han Serif SC","Noto Serif SC","SimSun",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-data:ui-monospace,"JetBrains Mono","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;

  --shell:1240px;
  --gap:clamp(16px,2.4vw,32px);
  --pad-block:clamp(48px,7vw,96px);
  --dur:180ms;
  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-hard-lg:10px 10px 0 var(--ink);
  --pulse-cycle:120s;
}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  background:var(--paper);
  color:var(--deep);
  -webkit-font-smoothing:antialiased;
}

:focus-visible{
  outline:3px solid var(--green);
  outline-offset:2px;
  box-shadow:0 0 0 5px var(--ink);
}

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

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:-120px;left:14px;
  z-index:500;
  display:inline-block;
  padding:12px 18px;
  background:var(--green);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  letter-spacing:.06em;
  border:3px solid var(--ink);
  box-shadow:var(--shadow-hard);
  transition:top var(--dur) ease;
}
.skip-link:focus{top:14px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--ink);
  color:var(--paper);
  border-bottom:3px solid var(--line);
}
.site-header::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(184,255,61,.07) 0 2px,transparent 2px 17px);
  pointer-events:none;
}
.site-header::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-3px;height:3px;
  background:var(--green);
  transform:scaleX(var(--read-progress,0));
  transform-origin:left center;
  transition:transform 90ms linear;
  pointer-events:none;
}

.header-bar{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:14px clamp(16px,3.5vw,32px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  margin-right:auto;
  flex:0 0 auto;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:34px;height:34px;
  background:var(--deep);
  border:3px solid var(--green);
  box-shadow:4px 4px 0 rgba(184,255,61,.32);
  flex:0 0 auto;
}
.brand-mark::before{
  content:"";
  width:13px;height:13px;
  background:var(--green);
  transform:skewX(-14deg);
}
.brand-text{display:block;line-height:1.05}
.brand-name{
  display:block;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(17px,1.8vw,21px);
  letter-spacing:.02em;
  color:var(--paper-hi);
}
.brand-sub{
  display:block;
  margin-top:4px;
  font-family:var(--font-data);
  font-size:10px;
  letter-spacing:.24em;
  color:var(--mist);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  background:var(--deep);
  color:var(--paper-hi);
  border:2px solid var(--line);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
}
.nav-toggle-label{display:inline-block}
.nav-toggle-bars{display:grid;gap:4px;width:16px}
.nav-toggle-bars span{
  display:block;height:2px;background:var(--green);
  transition:transform var(--dur) ease,opacity var(--dur) ease;
}

.site-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(12px,3vw,40px);
  flex:1 1 auto;
  min-width:0;
}
.nav-cluster{display:flex;align-items:center;gap:clamp(8px,1.6vw,22px);min-width:0}
.nav-cluster-label{display:none}
.nav-list{display:flex;align-items:center;gap:clamp(8px,1.6vw,22px);flex-wrap:wrap}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 2px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--paper);
  white-space:nowrap;
  transition:color var(--dur) ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:2px;height:3px;
  background:var(--green);
  transform:scaleX(0) skewX(-24deg);
  transform-origin:left center;
  transition:transform var(--dur) ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--paper-hi)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1) skewX(-24deg)}
.nav-link[aria-current="page"]{color:var(--green)}
.nav-link[aria-current="page"]::after{transform:scaleX(1) skewX(-24deg)}

.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:11px 16px;
  background:var(--green);
  color:var(--ink);
  border:2px solid var(--ink);
  box-shadow:4px 4px 0 var(--orange);
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease;
}
.nav-cta:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--orange)}
.nav-cta:active{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--orange)}
.cta-mark{
  display:grid;place-items:center;
  width:20px;height:20px;
  border:2px solid var(--ink);
}
.cta-mark::after{
  content:"";
  width:0;height:0;
  border-left:6px solid var(--ink);
  border-top:4px solid transparent;
  border-bottom:4px solid transparent;
  transition:transform var(--dur) ease;
}
.nav-cta:hover .cta-mark::after{transform:translateX(3px)}
.cta-text{display:inline-block}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:var(--paper);
  border-top:3px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--green) 0 22%,transparent 22% 100%);
  pointer-events:none;
}
.footer-inner{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  padding:clamp(40px,6vw,76px) clamp(16px,3.5vw,32px) clamp(26px,4vw,42px);
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:clamp(22px,3vw,34px);
  margin-bottom:clamp(22px,3vw,36px);
  border-bottom:2px solid var(--line);
}
.footer-kicker{
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.22em;
  color:var(--cyan);
}
.footer-cta{
  flex:0 0 auto;
  box-shadow:4px 4px 0 var(--cyan);
}
.footer-cta:hover{box-shadow:7px 7px 0 var(--cyan)}

.footer-grid{
  display:grid;
  grid-template-columns:1.15fr .9fr 1.35fr .85fr;
  gap:clamp(20px,3vw,44px);
  align-items:start;
}
.footer-col{min-width:0}
.footer-col + .footer-col{
  border-left:2px solid rgba(36,74,115,.75);
  padding-left:clamp(16px,2.4vw,32px);
}
.footer-col:nth-child(2){margin-top:16px}
.footer-col:nth-child(3){margin-top:6px}
.footer-col:nth-child(4){margin-top:26px}

.footer-col--brand{display:flex;flex-direction:column;gap:12px}
.brand-mark--footer{
  width:44px;height:44px;
  box-shadow:5px 5px 0 rgba(255,106,31,.35);
}
.footer-brand-name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:22px;
  letter-spacing:.02em;
  color:var(--paper-hi);
}
.footer-note{
  font-size:15px;
  line-height:1.7;
  color:rgba(244,235,220,.78);
  max-width:26ch;
}

.footer-title{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--paper-hi);
  margin-bottom:14px;
}
.footer-title::before{
  content:"";
  display:inline-block;
  width:10px;height:10px;
  margin-right:9px;
  background:var(--green);
  transform:translateY(-1px) skewX(-14deg);
}
.footer-list{display:grid;gap:9px;font-size:15px}
.footer-list--contact{gap:12px}
.footer-link{
  display:inline-block;
  color:rgba(244,235,220,.88);
  border-bottom:1px solid transparent;
  transition:color var(--dur) ease,border-color var(--dur) ease;
}
.footer-link:hover,.footer-link:focus-visible{
  color:var(--green);
  border-bottom-color:var(--green);
}
.footer-legal-item{
  font-family:var(--font-data);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-contact-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
}
.footer-contact-key{
  flex:0 0 auto;
  padding:2px 7px;
  border:1px solid var(--line);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer-contact-val{
  font-family:var(--font-data);
  font-size:13px;
  color:var(--paper-hi);
  overflow-wrap:anywhere;
  min-width:0;
}
.copy-btn{
  flex:0 0 auto;
  padding:2px 9px;
  border:1px solid var(--green);
  color:var(--green);
  font-size:11px;
  letter-spacing:.1em;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
}
.copy-btn:hover,.copy-btn:focus-visible{background:var(--green);color:var(--ink)}
.copy-btn.is-copied{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}

.footer-bottom{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  margin-top:clamp(26px,4vw,50px);
  padding-top:18px;
  border-top:2px solid var(--line);
}
.footer-micro{
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer-watermark{
  position:absolute;
  right:-42px;bottom:-46px;
  width:200px;height:200px;
  border:3px solid rgba(184,255,61,.16);
  transform:skewX(-14deg);
  pointer-events:none;
}
.footer-watermark::after{
  content:"";
  position:absolute;left:50%;top:50%;
  width:28px;height:28px;
  border-top:3px solid rgba(184,255,61,.24);
  border-right:3px solid rgba(184,255,61,.24);
  transform:translate(-50%,-50%) rotate(45deg);
}

/* ---------- layout primitives ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding-inline:clamp(16px,3.5vw,32px);
}
.shell--narrow{max-width:800px}

.section{padding-block:var(--pad-block)}
.section--paper{background:var(--paper);color:var(--deep)}
.section--deep{background:var(--deep);color:var(--paper)}
.section--ink{background:var(--ink);color:var(--paper)}
.section--slash{
  clip-path:polygon(0 52px,100% 0,100% 100%,0 100%);
  padding-top:calc(var(--pad-block) + 40px);
}

.stack{display:grid;gap:var(--gap);align-content:start}
.grid{display:grid;gap:var(--gap)}
.grid--split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--index{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- typography ---------- */
.display{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(46px,7vw,112px);
  line-height:.92;
  letter-spacing:-.02em;
}
.h-section{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(24px,3vw,40px);
  line-height:1.24;
  letter-spacing:.01em;
}
.h-sub{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(20px,2.4vw,30px);
  line-height:1.16;
  letter-spacing:-.01em;
}
.lede{
  font-size:clamp(17px,1.5vw,19px);
  line-height:1.75;
  max-width:38ch;
}
.prose{font-size:17px;line-height:1.8;max-width:36em}
.prose p + p{margin-top:1em}
.prose a{border-bottom:2px solid var(--orange)}
.prose a:hover{color:var(--orange)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--orange);
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;
  background:var(--orange);
  transform:skewX(-24deg);
}
.section--deep .eyebrow,.section--ink .eyebrow{color:var(--cyan)}
.section--deep .eyebrow::before,.section--ink .eyebrow::before{background:var(--cyan)}

.tag{
  display:inline-block;
  padding:4px 9px;
  border:2px solid currentColor;
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.4;
}
.plate{
  display:inline-block;
  padding:3px 10px 3px 8px;
  background:var(--brown);
  color:var(--ink);
  border:2px solid var(--ink);
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.6;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 20px;
  background:var(--paper-hi);
  color:var(--ink);
  border:3px solid var(--ink);
  box-shadow:var(--shadow-hard);
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease;
}
.btn:hover{transform:translate(-3px,-3px);box-shadow:var(--shadow-hard-lg)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn--primary{background:var(--green);color:var(--ink)}
.btn--accent{background:var(--orange);color:var(--paper-hi)}
.btn--ghost{background:transparent;color:var(--paper-hi);border-color:var(--paper-hi);box-shadow:6px 6px 0 var(--line)}
.btn--ghost:hover{box-shadow:10px 10px 0 var(--line)}
.btn--sm{padding:9px 14px;font-size:14px;border-width:2px;box-shadow:4px 4px 0 var(--ink)}

/* ---------- breadcrumbs ---------- */
.crumbs{margin-bottom:clamp(16px,2vw,26px)}
.crumbs-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.06em;
}
.crumbs-item{display:flex;align-items:center;gap:8px;color:var(--mist)}
.crumbs-item + .crumbs-item::before{content:"/";color:var(--line)}
.crumbs-link{border-bottom:1px solid currentColor;transition:color var(--dur) ease}
.crumbs-link:hover{color:var(--orange)}

/* ---------- cards ---------- */
.card{
  position:relative;
  display:block;
  padding:clamp(18px,2.4vw,28px);
  background:var(--paper-hi);
  color:var(--deep);
  border:3px solid var(--ink);
  box-shadow:var(--shadow-hard);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hard-lg)}
.card--deep{background:var(--deep);color:var(--paper);border-color:var(--green)}
.card--offset{margin-top:clamp(10px,3vw,26px)}

/* ---------- media ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--deep);
  border:3px solid var(--ink);
  box-shadow:var(--shadow-hard);
}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--4x5{aspect-ratio:4/5}
.media--1x1{aspect-ratio:1/1}
.media--diag{clip-path:polygon(0 0,100% 0,100% 88%,0 100%)}
.media-fill{width:100%;height:100%;object-fit:cover}
.media--placeholder{
  background:linear-gradient(135deg,var(--deep) 0%,var(--line) 58%,var(--ink) 100%);
}
.media--placeholder::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(184,255,61,.12) 0 2px,transparent 2px 20px);
  pointer-events:none;
}
.media-caption{
  margin-top:10px;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.section--paper .media-caption{color:var(--line)}

/* ---------- pulse ---------- */
.pulse-dot{
  display:inline-block;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--orange);
  animation:pulse-ring var(--pulse-cycle) linear infinite;
}
@keyframes pulse-ring{
  0%{box-shadow:0 0 0 0 rgba(255,106,31,.55)}
  2%{box-shadow:0 0 0 9px rgba(255,106,31,0)}
  100%{box-shadow:0 0 0 0 rgba(255,106,31,0)}
}

/* ---------- reveal ---------- */
.has-reveal [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 420ms ease,transform 420ms ease;
}
.has-reveal [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .footer-grid{grid-template-columns:1.1fr 1fr;gap:28px}
  .footer-col:nth-child(2){margin-top:0}
  .footer-col:nth-child(3){margin-top:0;border-left:0;padding-left:0}
  .footer-col:nth-child(4){margin-top:0;border-left:0;padding-left:0}
  .grid--split,.grid--index,.grid--three{grid-template-columns:1fr}
}

@media (max-width:960px){
  .header-bar{flex-wrap:wrap;row-gap:0;padding:12px clamp(14px,4vw,20px)}
  .brand{order:1;margin-right:auto}
  .nav-cta{order:2;padding:9px 12px;font-size:14px;box-shadow:3px 3px 0 var(--orange)}
  .nav-toggle{order:3;display:inline-flex}
  .site-nav{
    order:4;
    flex:1 0 100%;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    margin-top:0;
    transition:max-height 260ms ease,opacity var(--dur) ease,visibility var(--dur) ease;
  }
  [data-open="true"] .site-nav{
    max-height:74vh;
    overflow-y:auto;
    opacity:1;
    visibility:visible;
    margin-top:14px;
    padding-top:14px;
    border-top:3px solid var(--line);
  }
  [data-open="true"] .nav-toggle-bars span:first-child{transform:translateY(3px) rotate(-45deg)}
  [data-open="true"] .nav-toggle-bars span:last-child{transform:translateY(-3px) rotate(45deg)}
  .nav-cluster{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding-bottom:16px;
  }
  .nav-cluster + .nav-cluster{
    border-top:2px solid var(--line);
    padding-top:16px;
  }
  .nav-cluster-label{
    display:block;
    font-family:var(--font-data);
    font-size:11px;
    letter-spacing:.22em;
    color:var(--cyan);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;flex-wrap:nowrap}
  .nav-link{
    display:block;
    padding:12px 4px;
    font-size:17px;
    border-bottom:1px solid rgba(36,74,115,.6);
  }
  .nav-link::after{bottom:6px;height:2px}
}

@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-col + .footer-col{padding-left:0;border-left:0;border-top:2px solid rgba(36,74,115,.75);padding-top:22px}
  .footer-bottom{gap:8px 16px}
  .footer-watermark{width:150px;height:150px;right:-46px;bottom:-40px}
  .section--slash{clip-path:polygon(0 28px,100% 0,100% 100%,0 100%)}
  .btn{width:100%;justify-content:space-between}
  .footer-cta{width:auto}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .pulse-dot{animation:none;box-shadow:0 0 0 3px rgba(255,106,31,.35)}
  .has-reveal [data-reveal]{opacity:1;transform:none}
  .nav-cta:hover,.btn:hover,.card:hover{transform:none}
}