@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

*,*::before,*::after{box-sizing:border-box}

:root{
  --pink:#F7256E;
  --ink:#12121C;
  --yel:#FFD447;
  --panel:#1C1C2A;
  --line:#2E2E42;
  --dim:#A6A6BC;
  --fg:#F3EFE7;
  --vtx:'VT323',"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --px:'Press Start 2P',"PingFang SC","Microsoft YaHei",sans-serif;
}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background-color:var(--ink);
  background-image:radial-gradient(var(--line) 1.2px, transparent 1.2px);
  background-size:18px 18px;
  color:var(--fg);
  font-family:var(--vtx);
  font-size:20px;
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--yel)}
a:focus-visible,
button:focus-visible{outline:3px solid var(--yel);outline-offset:3px}

/* ---------- masthead ---------- */
.masthead{
  position:sticky;
  top:0;
  z-index:30;
  background:var(--ink);
  border-bottom:4px solid var(--pink);
  padding:8px 16px 0;
}

.masthead-top{
  display:flex;
  justify-content:center;
  align-items:center;
  border-bottom:2px dashed var(--line);
  padding-bottom:6px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:6px 10px;
  text-decoration:none;
  color:var(--yel);
  font-family:var(--px);
  font-size:clamp(13px,3.4vw,17px);
  line-height:1.4;
  letter-spacing:.06em;
  transition:color .16s ease;
}

.brand:hover{color:var(--pink)}

.brand-mark{
  width:26px;
  height:26px;
  border:2px solid var(--pink);
  flex:none;
}

.dock-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
}

.dock-list li{display:flex}

.dock-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 11px;
  color:var(--yel);
  text-decoration:none;
  font-size:17px;
  line-height:1.4;
  transition:background-color .16s ease,color .16s ease;
}

.pip{
  display:block;
  flex:none;
  width:9px;
  height:9px;
  background:var(--pink);
  transition:background-color .16s ease;
}

.dock-list a:hover,
.dock-list a[aria-current="true"]{
  background:var(--pink);
  color:var(--ink);
}

.dock-list a:hover .pip,
.dock-list a[aria-current="true"] .pip{background:var(--ink)}

/* ---------- hero ---------- */
.hero{
  min-height:70vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:26px;
  padding:64px 20px 54px;
  text-align:center;
  border-bottom:6px solid var(--yel);
  scroll-margin-top:150px;
}

.hero-title{
  margin:0;
  max-width:22ch;
  padding:.5em .6em;
  font-family:var(--px);
  font-size:clamp(1.5rem,6.8vw,4.2rem);
  line-height:1.25;
  letter-spacing:.02em;
  color:var(--yel);
  background:var(--ink);
  border:4px solid var(--pink);
  word-break:break-word;
}

.pixel-floor{
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  justify-content:center;
  max-width:330px;
}

.pixel-floor span{
  width:12px;
  height:12px;
  background:var(--line);
}

.pixel-floor span:nth-child(3n){background:var(--pink)}
.pixel-floor span:nth-child(4n){background:var(--yel)}

/* ---------- reader ---------- */
.reader{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:44px;
  align-items:start;
  max-width:1160px;
  margin:0 auto;
  padding:56px 20px 64px;
}

.reader-body{min-width:0}

.reader-body section{
  scroll-margin-top:150px;
  padding-bottom:36px;
  margin-bottom:44px;
  border-bottom:3px solid var(--line);
}

.reader-body section:last-child{
  border-bottom:0;
  margin-bottom:0;
  padding-bottom:0;
}

.reader-body h2{
  margin:0 0 18px;
  padding-left:14px;
  font-family:var(--px);
  font-size:clamp(1.02rem,2.5vw,1.45rem);
  line-height:1.5;
  color:var(--yel);
  border-left:8px solid var(--pink);
}

.reader-body h3{
  margin:26px 0 12px;
  font-family:var(--px);
  font-size:clamp(.92rem,2.1vw,1.1rem);
  line-height:1.55;
  color:var(--pink);
}

.reader-body p{
  margin:0 0 18px;
  max-width:66ch;
}

.reader-body ul,
.reader-body ol{
  margin:0 0 18px;
  padding-left:1.4em;
  max-width:66ch;
}

.reader-body li{margin:0 0 8px}

.reader-body a{
  color:var(--yel);
  text-decoration:none;
  border-bottom:3px solid var(--pink);
  transition:background-color .16s ease,color .16s ease;
}

.reader-body a:hover{
  background:var(--pink);
  color:var(--ink);
}

.reader-body blockquote{
  margin:0 0 20px;
  padding:14px 18px;
  background:var(--panel);
  border-left:8px solid var(--yel);
}

.reader-body blockquote p:last-child{margin-bottom:0}

.reader-body img{
  margin:0 0 20px;
  border:3px solid var(--line);
}

.reader-body figure{margin:0 0 20px}

.reader-body strong{color:var(--pink)}

.reader-body hr{
  border:0;
  border-top:3px dashed var(--line);
  margin:26px 0;
}

.reader-body time{
  display:inline-block;
  padding:2px 8px;
  font-family:var(--px);
  font-size:11px;
  line-height:1.6;
  letter-spacing:.04em;
  color:var(--pink);
  border:2px solid var(--pink);
}

.reader-body table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 20px;
  font-size:17px;
}

.reader-body th,
.reader-body td{
  border:2px solid var(--line);
  padding:8px 10px;
  text-align:left;
}

.reader-body th{
  background:var(--panel);
  color:var(--yel);
}

/* ---------- rail ---------- */
.rail{
  position:sticky;
  top:132px;
  padding:18px 16px 8px;
  background:var(--panel);
  border:3px solid var(--yel);
}

.eyebrow{
  display:block;
  margin:0 0 6px;
  font-family:var(--px);
  font-size:10px;
  line-height:1.6;
  letter-spacing:.16em;
  color:var(--yel);
}

.rail-title{
  margin:0 0 14px;
  font-family:var(--px);
  font-size:1rem;
  line-height:1.5;
  color:var(--pink);
}

.rail-list{
  list-style:none;
  margin:0;
  padding:0;
}

.rail-list li{border-top:1px solid var(--line)}
.rail-list li:first-child{border-top:0}

.rail-list a{
  display:block;
  padding:11px 2px;
  min-height:42px;
  color:var(--fg);
  text-decoration:none;
  font-size:17px;
  line-height:1.4;
  transition:color .16s ease,padding-left .16s ease;
}

.rail-list a:hover{
  color:var(--pink);
  padding-left:9px;
}

/* ---------- footer ---------- */
.colophon{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:32px 40px;
  align-items:start;
  padding:44px 20px 26px;
  background:#0C0C14;
  border-top:6px solid var(--pink);
}

.col-brand{
  grid-column:1/-1;
  padding-bottom:20px;
  border-bottom:3px dashed var(--line);
}

.mega{
  margin:0;
  font-family:var(--px);
  font-size:clamp(1.4rem,6.5vw,3.4rem);
  line-height:1.25;
  letter-spacing:.02em;
  color:var(--pink);
  word-break:break-word;
}

.col-note{
  margin:14px 0 0;
  max-width:52ch;
  font-size:17px;
  color:var(--fg);
}

.col-links ol{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:2px 18px;
}

.col-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:4px 0;
  color:var(--yel);
  text-decoration:none;
  font-size:17px;
  transition:color .16s ease;
}

.col-links a:hover{color:var(--pink)}

.col-bar{
  grid-column:1/-1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding-top:16px;
  border-top:2px dashed var(--line);
}

.col-bar p{
  margin:0;
  font-size:16px;
  color:var(--dim);
}

.to-top{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:9px 14px;
  color:var(--yel);
  text-decoration:none;
  font-size:16px;
  border:3px solid var(--yel);
  transition:background-color .16s ease,color .16s ease;
}

.to-top:hover{
  background:var(--yel);
  color:var(--ink);
}

/* ---------- motion ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .45s ease,transform .45s ease;
}

.reveal.is-in{
  opacity:1;
  transform:none;
}

@media (prefers-reduced-motion: no-preference){
  .rail-list li{
    opacity:0;
    animation:pixIn .42s ease forwards;
  }
  .rail-list li:nth-child(1){animation-delay:.04s}
  .rail-list li:nth-child(2){animation-delay:.09s}
  .rail-list li:nth-child(3){animation-delay:.14s}
  .rail-list li:nth-child(4){animation-delay:.19s}
  .rail-list li:nth-child(5){animation-delay:.24s}
  .rail-list li:nth-child(6){animation-delay:.29s}
  .rail-list li:nth-child(7){animation-delay:.34s}
}

@keyframes pixIn{
  from{opacity:0;transform:translateY(9px)}
  to{opacity:1;transform:none}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .rail-list li{opacity:1;animation:none}
}

/* ---------- breakpoints ---------- */
@media (max-width:900px){
  .reader{
    grid-template-columns:1fr;
    gap:34px;
    padding:40px 18px 48px;
  }
  .rail{position:static;top:auto}
  .colophon{grid-template-columns:1fr}
}

@media (max-width:600px){
  body{font-size:18px}
  .masthead{padding:6px 12px 0}
  .dock-list a{padding:10px 9px;font-size:16px}
  .brand{font-size:13px;padding:6px 8px}
  .hero{min-height:64vh;padding:44px 16px 40px;gap:20px}
  .hero-title{padding:.45em .5em}
  .reader{padding:32px 16px 40px}
  .colophon{padding:34px 16px 22px}
  .reader-body section{padding-bottom:28px;margin-bottom:34px}
}

button[aria-expanded]{min-width:44px;min-height:44px}