/* ==========================================================================
   VPNCQ — base layer
   Tokens, reset, typography, prose, buttons, header, footer, panels, reveal.
   Every colour / radius / shadow value lives in :root. Components only use var().
   ========================================================================== */

:root{
  /* ---- surfaces (warm paper) ---- */
  --bg:#FAF4E7;
  --bg-panel:#FFFCF4;
  --bg-panel-2:#F1E7D3;
  --bg-warm:#F4EAD8;
  --espresso:#241C14;
  --paper-white:#FFFFFF;

  /* ---- lines & ink ---- */
  --border:#E3D6BE;
  --text:#2B2118;
  --text-muted:#6F6154;

  /* ---- accent ---- */
  --accent:#0B7F64;
  --accent-dark:#075C47;
  --mint:#5FE0AE;

  /* ---- semantics ---- */
  --success:#2F8F5B;
  --warn:#C08A1E;
  --error:#B23A2E;

  /* ---- flags ---- */
  --flag-red:#C8342B;
  --flag-blue:#1F3A6E;

  /* ---- type ---- */
  --font-display:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Inter","Noto Sans SC","Noto Sans JP","Noto Sans KR","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* ---- radius ladder ---- */
  --r-xs:6px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;

  /* ---- hairlines ---- */
  --hairline:1px solid var(--border);
  --hairline-soft:1px solid color-mix(in srgb, var(--border) 58%, transparent);
  --rule:color-mix(in srgb, var(--border) 84%, transparent);

  /* ---- elevation ---- */
  --inset-glow:inset 0 1px 0 0 color-mix(in srgb, var(--paper-white) 82%, transparent);
  --shadow-soft:0 18px 40px -26px color-mix(in srgb, var(--accent) 42%, transparent),
                0 6px 16px -12px color-mix(in srgb, var(--espresso) 22%, transparent);
  --shadow-lift:0 44px 84px -46px color-mix(in srgb, var(--accent-dark) 62%, transparent),
                0 16px 32px -20px color-mix(in srgb, var(--espresso) 30%, transparent);
  --shadow-card:0 26px 46px -26px color-mix(in srgb, var(--espresso) 58%, transparent);

  /* ---- gradients ---- */
  --grad-band:linear-gradient(176deg,
      var(--mint) 0%,
      color-mix(in srgb, var(--mint) 46%, var(--accent-dark)) 26%,
      var(--accent-dark) 52%,
      color-mix(in srgb, var(--accent-dark) 24%, var(--espresso)) 74%,
      var(--espresso) 100%);
  --grad-primary:linear-gradient(180deg,
      color-mix(in srgb, var(--accent) 84%, var(--mint)) 0%,
      var(--accent) 56%,
      var(--accent-dark) 100%);
  --grad-mint:linear-gradient(180deg,
      color-mix(in srgb, var(--mint) 86%, var(--paper-white)) 0%,
      var(--mint) 100%);
  --grad-panel:linear-gradient(180deg,
      var(--bg-panel) 0%,
      color-mix(in srgb, var(--bg-panel-2) 46%, var(--bg-panel)) 100%);

  /* ---- layout ---- */
  --wrap-max:1360px;
  --gutter:40px;
  --header-h:72px;

  /* ---- spacing (8px grid) ---- */
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:96px;

  /* ---- motion ---- */
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:.18s;

  /* ---- focus ---- */
  --focus-ring:2px solid var(--accent);
}

/* ==========================================================================
   1. Reset
   ========================================================================== */

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

html{
  margin:0;
  padding:0;
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
}

html.nav-open,
html.nav-open body{overflow:hidden;}

body{
  margin:0;
  min-height:100%;
  background:
    radial-gradient(1100px 520px at 82% -6%, color-mix(in srgb, var(--mint) 18%, transparent), transparent 68%),
    linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-warm) 56%, var(--bg) 100%);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}

ul,ol{margin:0;}

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

svg{max-width:100%;}

a{color:var(--accent);text-decoration:none;}

a:hover{color:var(--accent-dark);}

button{font:inherit;color:inherit;}

input,select,textarea{font:inherit;color:inherit;}

::selection{background:color-mix(in srgb, var(--mint) 62%, transparent);color:var(--espresso);}

/* ==========================================================================
   2. Focus & a11y baseline
   ========================================================================== */

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible{
  outline:var(--focus-ring);
  outline-offset:3px;
  border-radius:var(--r-xs);
}

.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;
}

/* ==========================================================================
   3. Typography
   ========================================================================== */

h1,.h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(34px, 4.2vw, 58px);
  line-height:1.08;
  letter-spacing:-.03em;
  color:var(--text);
  text-wrap:balance;
}

h2,.h2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(26px, 2.5vw, 38px);
  line-height:1.14;
  letter-spacing:-.028em;
  color:var(--text);
  text-wrap:balance;
}

h3,.h3{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(18px, 1.5vw, 22px);
  line-height:1.32;
  letter-spacing:-.018em;
  color:var(--text);
}

h4,.h4{
  font-family:var(--font-body);
  font-weight:700;
  font-size:16px;
  line-height:1.4;
  color:var(--text);
}

p{line-height:1.72;}

strong{font-weight:700;color:var(--text);}

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

.muted{color:var(--text-muted);}

.lead{
  font-size:clamp(16px, 1.35vw, 19px);
  line-height:1.7;
  color:var(--text-muted);
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.01em;
  color:var(--text-muted);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.01em;
  color:var(--text-muted);
}

.eyebrow-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--mint) 26%, transparent);
  flex:none;
}

/* highlight block (hero keyword, section keyword) */
.hl{
  display:inline-block;
  padding:.04em .15em .1em;
  margin-left:-.05em;
  border-radius:var(--r-sm);
  background:color-mix(in srgb, var(--mint) 72%, var(--bg-panel));
  box-shadow:inset 0 -.12em 0 0 color-mix(in srgb, var(--mint) 46%, transparent);
}

/* Chinese keyword protection: 2–4 hanzi only, never a whole sentence */
.no-break{white-space:nowrap;}

/* ==========================================================================
   4. Layout helpers
   ========================================================================== */

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

.sec{
  padding-top:clamp(48px, 7vw, 96px);
  padding-bottom:clamp(48px, 7vw, 96px);
}

.sec-tight{
  padding-top:clamp(28px, 4vw, 56px);
  padding-bottom:clamp(28px, 4vw, 56px);
}

.sec-head{
  display:grid;
  gap:10px;
  max-width:58ch;
  margin-bottom:clamp(20px, 3vw, 36px);
}

.sec-head .sec-title{margin:0;}

.sec-sub{
  margin:0;
  font-size:15px;
  line-height:1.72;
  color:var(--text-muted);
}

.divider{
  height:1px;
  border:0;
  background:var(--rule);
  margin:clamp(24px, 4vw, 44px) 0;
}

/* ==========================================================================
   5. Long-form prose
   ========================================================================== */

.prose{
  max-width:74ch;
  min-width:0;
  font-size:15.5px;
  line-height:1.78;
  color:var(--text);
}

.prose > * + *{margin-top:var(--sp-4);}

.prose h2{
  margin-top:clamp(28px, 4vw, 44px);
  font-size:clamp(22px, 2vw, 28px);
}

.prose h3{margin-top:var(--sp-5);}

.prose p{margin:0;}

.prose ul,
.prose ol{padding-left:1.35em;}

.prose li + li{margin-top:6px;}

.prose a{text-decoration:underline;text-underline-offset:3px;}

.prose code{
  font-family:var(--font-mono);
  font-size:.9em;
  padding:1px 5px;
  border-radius:var(--r-xs);
  background:color-mix(in srgb, var(--bg-panel-2) 70%, var(--bg-panel));
  overflow-wrap:anywhere;
}

.prose pre{
  max-width:100%;
  overflow-x:auto;
  padding:14px 16px;
  border-radius:var(--r-sm);
  border:var(--hairline-soft);
  background:color-mix(in srgb, var(--bg-panel-2) 52%, var(--bg-panel));
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.62;
}

.prose pre code{padding:0;background:none;overflow-wrap:normal;}

.prose blockquote{
  padding:12px 18px;
  border-left:3px solid var(--accent);
  background:color-mix(in srgb, var(--bg-panel-2) 46%, var(--bg-panel));
  border-radius:var(--r-sm);
  color:var(--text-muted);
}

/* bare tables coming from the writing pipeline must never widen the page */
.prose > table,
.prose > .data-table{
  display:block;
  width:100%;
  max-width:100%;
  min-width:0;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border-collapse:collapse;
}

/* ==========================================================================
   6. Buttons
   ========================================================================== */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  max-width:100%;
  border:0;
  border-radius:var(--r-md);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:700;
  line-height:1.1;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease),
             border-color var(--dur) var(--ease),
             background-color var(--dur) var(--ease);
}

.btn svg{width:16px;height:16px;flex:none;}

.btn-primary{
  background:var(--grad-primary);
  color:var(--bg-panel);
  box-shadow:0 20px 34px -20px color-mix(in srgb, var(--accent-dark) 78%, transparent), var(--inset-glow);
}

.btn-primary:hover{
  color:var(--bg-panel);
  transform:translateY(-1px);
  box-shadow:0 24px 40px -20px color-mix(in srgb, var(--accent-dark) 82%, transparent), var(--inset-glow);
}

.btn-ghost{
  background:var(--bg-panel);
  color:var(--text);
  border:1px solid color-mix(in srgb, var(--border) 94%, transparent);
  box-shadow:var(--inset-glow), 0 10px 20px -16px color-mix(in srgb, var(--espresso) 34%, transparent);
}

.btn-ghost:hover{
  color:var(--text);
  border-color:color-mix(in srgb, var(--accent) 42%, var(--border));
  transform:translateY(-1px);
}

.btn-mint{
  background:var(--grad-mint);
  color:var(--espresso);
  box-shadow:0 10px 20px -12px color-mix(in srgb, var(--accent) 62%, transparent), var(--inset-glow);
}

.btn-mint:hover{
  color:var(--espresso);
  transform:translateY(-1px);
  box-shadow:0 14px 26px -12px color-mix(in srgb, var(--accent) 68%, transparent), var(--inset-glow);
}

.btn-sm{
  min-height:38px;
  padding:0 16px;
  font-size:13.5px;
  border-radius:var(--r-sm);
}

.btn-block{width:100%;}

.btn[disabled],
.btn.is-disabled{
  opacity:.55;
  pointer-events:none;
  box-shadow:none;
}

/* ==========================================================================
   7. Header (injected by header.js)
   ========================================================================== */

.site-header{
  position:sticky;
  top:0;
  z-index:60;
}

.hdr{
  position:relative;
  z-index:1;
  background:color-mix(in srgb, var(--bg-panel) 82%, transparent);
  border-bottom:1px solid color-mix(in srgb, var(--border) 52%, transparent);
  backdrop-filter:blur(14px) saturate(115%);
}

.hdr-inner{
  display:flex;
  align-items:center;
  gap:clamp(10px, 1.8vw, 26px);
  height:var(--header-h);
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-width:0;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  min-height:44px;
  text-decoration:none;
  color:var(--text);
}

.brand:hover{color:var(--text);}

.brand-mark{
  width:28px;
  height:28px;
  display:block;
  flex:none;
}

.brand-word{
  font-family:var(--font-display);
  font-weight:900;
  font-size:21px;
  letter-spacing:-.03em;
  line-height:1;
  white-space:nowrap;
}

.hdr-nav{min-width:0;}

.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  list-style:none;
  margin:0;
  padding:0;
}

.nav-item{position:relative;}

.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:0 12px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible{
  color:var(--text);
  background:color-mix(in srgb, var(--bg-panel-2) 66%, transparent);
}

.nav-link.is-active{color:var(--text);font-weight:700;}

.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:5px;
  height:2px;
  border-radius:2px;
  background:var(--mint);
}

.nav-more-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:0 12px;
  border:0;
  border-radius:var(--r-sm);
  background:transparent;
  font-family:inherit;
  font-size:14px;
  font-weight:500;
  color:var(--text-muted);
  white-space:nowrap;
  cursor:pointer;
  transition:color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-more-btn:hover,
.nav-more:focus-within .nav-more-btn,
.nav-more.is-open .nav-more-btn{
  color:var(--text);
  background:color-mix(in srgb, var(--bg-panel-2) 66%, transparent);
}

.nav-caret{
  width:11px;
  height:11px;
  flex:none;
  transition:transform .2s var(--ease);
}

.nav-more:hover .nav-caret,
.nav-more:focus-within .nav-caret,
.nav-more.is-open .nav-caret{transform:rotate(180deg);}

.nav-drop{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:176px;
  padding:8px;
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-soft);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  z-index:12;
}

.nav-more:hover .nav-drop,
.nav-more:focus-within .nav-drop,
.nav-more.is-open .nav-drop{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.nav-drop a{
  display:flex;
  align-items:center;
  min-height:36px;
  padding:6px 10px;
  border-radius:var(--r-xs);
  font-size:14px;
  color:var(--text-muted);
  text-decoration:none;
  transition:background-color .16s var(--ease), color .16s var(--ease);
}

.nav-drop a:hover{background:color-mix(in srgb, var(--bg-panel-2) 78%, transparent);color:var(--text);}

.hdr-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  flex:none;
}

.lang{position:relative;}

.lang-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:0 10px;
  border:0;
  border-radius:var(--r-sm);
  background:transparent;
  font-family:inherit;
  font-size:13px;
  color:var(--text-muted);
  cursor:pointer;
  transition:color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.lang-btn:hover,
.lang:focus-within .lang-btn,
.lang.is-open .lang-btn{
  color:var(--text);
  background:color-mix(in srgb, var(--bg-panel-2) 66%, transparent);
}

.lang-globe{width:14px;height:14px;flex:none;}

.lang-caret{width:10px;height:10px;flex:none;}

.lang-cur{white-space:nowrap;}

.lang-drop{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  min-width:150px;
  padding:8px;
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-soft);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  z-index:12;
}

.lang:hover .lang-drop,
.lang:focus-within .lang-drop,
.lang.is-open .lang-drop{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.lang-drop a{
  display:flex;
  align-items:center;
  min-height:36px;
  padding:6px 10px;
  border-radius:var(--r-xs);
  font-size:13px;
  color:var(--text-muted);
  text-decoration:none;
}

.lang-drop a:hover{background:color-mix(in srgb, var(--bg-panel-2) 78%, transparent);color:var(--text);}

.lang-drop a[aria-current="true"]{color:var(--accent-dark);font-weight:700;}

.btn-login{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:36px;
  padding:0 15px;
  border:1px solid color-mix(in srgb, var(--border) 92%, transparent);
  border-radius:var(--r-sm);
  background:var(--bg-panel);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:var(--inset-glow), 0 6px 14px -12px color-mix(in srgb, var(--espresso) 34%, transparent);
  transition:border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn-login:hover{
  color:var(--text);
  border-color:color-mix(in srgb, var(--accent) 46%, var(--border));
  transform:translateY(-1px);
}

.hdr .btn-mint{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:36px;
  padding:0 19px;
  border-radius:var(--r-pill);
  font-size:14px;
  line-height:1;
}

.burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  min-width:44px;
  min-height:44px;
  padding:0;
  border:var(--hairline);
  border-radius:var(--r-sm);
  background:var(--bg-panel);
  color:var(--text);
  cursor:pointer;
  flex:none;
}

.burger-box{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:18px;
}

.burger-box i{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s var(--ease), opacity .2s var(--ease);
}

.burger[aria-expanded="true"] .burger-box i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger[aria-expanded="true"] .burger-box i:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] .burger-box i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* mobile drawer — opaque, full-row tappable, own scroll */
.m-nav{
  position:fixed;
  left:0;
  right:0;
  top:var(--header-h);
  bottom:0;
  z-index:90;
  display:none;
  height:calc(100dvh - var(--header-h));
  max-height:calc(100dvh - var(--header-h));
  padding:6px 0 28px;
  background:var(--bg-panel);
  border-top:var(--hairline);
  overflow-y:auto;
  overscroll-behavior:contain;
  box-shadow:var(--shadow-soft);
}

.m-nav.is-open{display:block;}

/* drawer scrim — sits in the same stacking layer as the drawer, below it */
.drawer-veil{
  position:fixed;
  left:0;
  right:0;
  top:var(--header-h);
  bottom:0;
  z-index:0;
  background:color-mix(in srgb, var(--espresso) 42%, transparent);
}

.drawer-veil[hidden]{display:none;}

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

.m-nav-list a{
  display:flex;
  align-items:center;
  width:100%;
  min-height:48px;
  padding:12px var(--gutter);
  border-bottom:var(--hairline-soft);
  font-size:15px;
  color:var(--text);
  text-decoration:none;
}

.m-nav-list a:hover,
.m-nav-list a:active{background:color-mix(in srgb, var(--bg-panel-2) 70%, transparent);}

.m-nav-list a.is-active{font-weight:700;color:var(--accent-dark);}

.m-nav-h{
  margin:18px 0 6px;
  padding:0 var(--gutter);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-muted);
}

/* ==========================================================================
   8. Footer (injected by footer.js)
   ========================================================================== */

.site-footer{
  position:relative;
  margin-top:clamp(40px, 6vw, 80px);
  background:var(--espresso);
  color:color-mix(in srgb, var(--bg-panel) 88%, transparent);
}

.ftr-inner{
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding:clamp(40px, 5vw, 72px) var(--gutter) 0;
}

.ftr-grid{
  display:grid;
  grid-template-columns:1.55fr 1fr 1fr 1fr;
  gap:clamp(20px, 3vw, 40px);
  min-width:0;
}

.ftr-brand{min-width:0;}

.ftr-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  color:var(--bg-panel);
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  letter-spacing:-.03em;
  text-decoration:none;
}

.ftr-logo:hover{color:var(--bg-panel);}

.ftr-logo img{width:26px;height:26px;flex:none;}

.ftr-desc{
  margin:12px 0 0;
  max-width:32em;
  font-size:13.5px;
  line-height:1.72;
  color:color-mix(in srgb, var(--bg-panel) 62%, transparent);
}

.ftr-h{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.1em;
  color:color-mix(in srgb, var(--mint) 82%, var(--bg-panel));
}

.ftr-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:4px;
}

.ftr-links a{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  font-size:13.5px;
  color:color-mix(in srgb, var(--bg-panel) 76%, transparent);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}

.ftr-links a:hover{color:var(--mint);}

.ftr-kw{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  max-width:100%;
}

.ftr-kw a{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  max-width:100%;
  padding:3px 10px;
  border:1px solid color-mix(in srgb, var(--bg-panel) 18%, transparent);
  border-radius:var(--r-pill);
  font-size:12px;
  color:color-mix(in srgb, var(--bg-panel) 72%, transparent);
  text-decoration:none;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.ftr-kw a:hover{
  color:var(--mint);
  border-color:color-mix(in srgb, var(--mint) 46%, transparent);
}

.ftr-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:clamp(28px, 4vw, 48px);
  padding:18px 0 22px;
  border-top:1px solid color-mix(in srgb, var(--bg-panel) 14%, transparent);
}

.ftr-copy{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.01em;
  color:color-mix(in srgb, var(--bg-panel) 54%, transparent);
}

.ftr-legal{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}

.ftr-legal a{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  font-size:12.5px;
  color:color-mix(in srgb, var(--bg-panel) 62%, transparent);
  text-decoration:none;
}

.ftr-legal a:hover{color:var(--mint);}

/* ==========================================================================
   9. Generic panels / cards / chips
   ========================================================================== */

.panel{
  position:relative;
  min-width:0;
  padding:var(--sp-5);
  background:var(--bg-panel);
  border:var(--hairline);
  border-radius:var(--r-md);
  box-shadow:var(--inset-glow), var(--shadow-soft);
}

.panel-soft{
  min-width:0;
  padding:var(--sp-5);
  background:color-mix(in srgb, var(--bg-panel-2) 52%, var(--bg-panel));
  border:var(--hairline-soft);
  border-radius:var(--r-md);
}

.tag{
  display:inline-flex;
  align-items:center;
  max-width:100%;
  min-height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:color-mix(in srgb, var(--mint) 22%, var(--bg-panel));
  color:var(--accent-dark);
  font-size:11.5px;
  font-weight:700;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.tag-muted{
  background:color-mix(in srgb, var(--bg-panel-2) 66%, var(--bg-panel));
  color:var(--text-muted);
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:100%;
  min-height:26px;
  padding:0 10px;
  border-radius:var(--r-xs);
  background:color-mix(in srgb, var(--bg-panel-2) 62%, var(--bg-panel));
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--text-muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.fact-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:100%;
  min-height:26px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:color-mix(in srgb, var(--bg-panel-2) 56%, var(--bg-panel));
  font-size:11.5px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
}

.fact-pill svg{width:11px;height:11px;flex:none;color:var(--accent);}

/* server status container: always in flow, always clipped, never overlays */
#server-status{
  display:block;
  position:relative;
  overflow:hidden;
  max-width:100%;
  margin:var(--sp-5) 0 0;
}

#server-status > *{max-width:100%;}

/* ==========================================================================
   10. Grain texture
   ========================================================================== */

.grain{
  position:fixed;
  inset:0;
  z-index:80;
  pointer-events:none;
  background-image:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--espresso) 60%, transparent) .6px, transparent .75px),
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--accent) 40%, transparent) .5px, transparent .65px);
  background-size:5px 5px, 9px 9px;
  background-position:0 0, 3px 4px;
  opacity:.42;
}

/* ==========================================================================
   11. Reveal (visibility never lives in CSS by default)
   ========================================================================== */

.reveal{
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}

.reveal.pending{
  opacity:0;
  transform:translateY(16px);
}

.reveal.shown{
  opacity:1;
  transform:none;
}

/* ==========================================================================
   12. Responsive
   ========================================================================== */

@media (max-width:1080px){
  :root{--gutter:28px;}
}

@media (max-width:960px){
  .hdr-nav{display:none;}
  .burger{display:inline-flex;}
  .hdr-tools{margin-left:auto;}
}

@media (max-width:768px){
  h1,.h1{font-size:clamp(28px, 6.4vw, 38px);}
  h2,.h2{font-size:clamp(23px, 5.4vw, 30px);}
  .lead{font-size:16px;}
}

@media (max-width:640px){
  :root{
    --gutter:18px;
    --header-h:64px;
  }

  /* narrow screens may wrap protected keywords instead of overflowing */
  .no-break{white-space:normal;}

  /* decorative tilts are cancelled on small screens */
  [class*="tilt"],
  .console,
  .float-card,
  .band-card{transform:none;}

  .lang{display:none;}
  .brand-word{font-size:18px;}
  .hdr .btn-mint{padding:0 14px;font-size:13px;}
  .btn-login{padding:0 12px;font-size:13px;}

  .ftr-grid{grid-template-columns:1fr 1fr;}
  .ftr-brand{grid-column:1 / -1;}

  .btn{min-height:44px;padding:0 18px;font-size:14px;}

  .sec{padding-top:clamp(36px, 9vw, 56px);padding-bottom:clamp(36px, 9vw, 56px);}
}

@media (max-width:380px){
  :root{--gutter:16px;}
  .ftr-grid{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;
  }
  .reveal,
  .reveal.pending{
    opacity:1;
    transform:none;
    transition:none;
  }
}

/* lh:local-harden:start */
:is(h1,h2,h3,h4){text-wrap:balance}
:is(p,li,dd,dt,figcaption,blockquote,td,th){text-wrap:pretty}
html[lang|="ko"] body{word-break:keep-all;overflow-wrap:break-word}
html[lang|="ja"] :is(h1,h2,h3,h4){word-break:auto-phrase}
.lh-tscroll{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
@media (max-width:640px){.lh-tscroll :is(th,td){min-width:5.5em}}
@supports (animation-timeline:scroll()){
  .float-cta{animation:lh-fab-in linear both;animation-timeline:scroll(root);animation-range:0 70vh}
}
@keyframes lh-fab-in{0%,45%{opacity:0;visibility:hidden}100%{opacity:1;visibility:visible}}
/* lh:local-harden:end */