/* =============================================================================
   VPNZM · base.css
   Design tokens, reset, typography, header shell, hero device, footer, motion
   hooks. Every colour lives in :root; components never hard-code a colour.
   ========================================================================== */

:root{
  /* --- surfaces --- */
  --bg:#FBF3E8;
  --bg-panel:#FFFCF5;
  --bg-panel-2:#F3E7D6;
  --border:#E5D3BC;

  /* --- brand --- */
  --accent:#9C2B35;
  --accent-dark:#741F27;

  /* --- ink --- */
  --text:#2B211A;
  --text-muted:#6E5B4B;

  /* --- semantics --- */
  --success:#2E7D5B;
  --warn:#B9761C;
  --error:#C0392B;

  /* --- accents used by the hero gradient --- */
  --amber:#E39A2B;
  --rose:#C2426B;
  --flame:#D06A45;

  /* --- flag palette --- */
  --flag-red:#C0392B;
  --flag-blue:#1D3A6E;
  --flag-navy:#0B2B5B;
  --flag-white:#FFFCF5;

  /* --- announcement bar + hero light --- */
  --bar-from:#B06A0E;
  --bar-to:#A5384F;
  --hero-top:#FDF7EE;
  --hero-mid:#F8EEDF;
  --hero-bottom:#F4E9D8;
  --deck-bottom:#EFE0C9;

  /* --- gradients --- */
  --grad-h1:linear-gradient(96deg,var(--amber) 0%,var(--flame) 46%,var(--rose) 100%);
  --grad-bar:linear-gradient(90deg,var(--bar-from) 0%,var(--bar-to) 100%);
  --grad-cta:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);
  --grad-panel:linear-gradient(135deg,var(--bg-panel) 0%,var(--bg-panel-2) 100%);

  /* --- texture + tints --- */
  --grid-line:rgba(43,33,26,.035);
  --halo-amber:rgba(227,154,43,.20);
  --halo-rose:rgba(194,66,107,.15);
  --accent-ghost:rgba(156,43,53,.07);
  --accent-line:rgba(156,43,53,.26);
  --success-ghost:rgba(46,125,91,.12);
  --warn-ghost:rgba(185,118,28,.12);
  --head-bg:rgba(251,243,232,.86);
  --on-bar:rgba(255,252,245,.18);
  --white-90:rgba(255,252,245,.90);
  --ink-04:rgba(43,33,26,.04);
  --ink-08:rgba(43,33,26,.08);
  --ink-14:rgba(43,33,26,.14);
  --ink-30:rgba(43,33,26,.30);
  --ink-35:rgba(43,33,26,.35);
  --scrim:rgba(43,33,26,.34);

  /* --- elevation --- */
  --shadow-card:0 28px 56px -24px rgba(156,43,53,.30),0 1px 0 var(--white-90) inset;
  --shadow-soft:0 14px 28px -16px rgba(156,43,53,.26);
  --shadow-float:0 18px 32px -16px rgba(43,33,26,.32),0 1px 0 var(--white-90) inset;
  --shadow-deck:0 44px 80px -44px rgba(156,43,53,.38),0 1px 0 var(--white-90) inset;
  --shadow-btn:0 14px 26px -12px rgba(156,43,53,.55);
  --shadow-btn-hover:0 18px 32px -12px rgba(156,43,53,.62);
  --shadow-ghost:0 8px 18px -14px rgba(43,33,26,.4);

  /* --- radii --- */
  --r-xl:32px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;

  /* --- type --- */
  --font-display:Inter,'Noto Sans SC','Noto Sans JP','Noto Sans KR',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'Noto Sans SC',Inter,'Noto Sans JP','Noto Sans KR',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* --- rhythm --- */
  --gutter:24px;
  --head-h:66px;
  --sec-y:72px;
  --ease:.18s ease;
}

/* ---------------------------------------------------------------- reset --- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--head-h) + 16px);
}
html.nav-open{overflow:hidden}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:36px 36px;
  line-height:1.6;
  overflow-x:clip;
}
img{max-width:100%;height:auto;display:block}
svg{display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
button{font:inherit;color:inherit}
hr{border:0;border-top:1px solid var(--border);margin:0}

/* ----------------------------------------------------------- typography --- */
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.025em;
  text-wrap:balance;
}
h1{font-size:clamp(52px,4.6vw,64px);line-height:1.06}
h2{font-size:clamp(26px,2.6vw,40px)}
h3{font-size:19px;letter-spacing:-.012em}
h4{font-size:15px;letter-spacing:0}
strong,b{font-weight:700}
small{font-size:12.5px}

code,kbd,samp{
  font-family:var(--font-mono);
  font-size:.92em;
  overflow-wrap:anywhere;
  word-break:break-word;
  background:var(--bg-panel-2);
  border:1px solid var(--border);
  border-radius:6px;
  padding:1px 5px;
}
pre{
  margin:18px 0;
  padding:16px 18px;
  max-width:100%;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  background:var(--bg-panel-2);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1.7;
}
pre code{
  border:0;background:none;padding:0;
  overflow-wrap:normal;word-break:normal;white-space:pre;
}

/* ------------------------------------------------------------ utilities --- */
.wrap{
  max-width:1360px;
  margin:0 auto;
  padding-inline:var(--gutter);
  position:relative;
}
.sec{padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.no-break{white-space:nowrap}
.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;
}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.tilt{transform:rotate(-.45deg)}
.tilt-r{transform:rotate(.45deg)}

.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--accent);
}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-head h2{margin-top:8px}
.sec-sub{margin-top:12px;font-size:15.5px;line-height:1.75;color:var(--text-muted)}

/* ------------------------------------------------------------- a11y ----- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:var(--r-sm);
}

/* ------------------------------------------------------------ buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-pill);
  font-family:var(--font-body);font-size:15px;font-weight:700;
  text-align:center;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease);
}
.btn-arrow{
  width:22px;height:22px;border-radius:50%;
  background:var(--on-bar);display:grid;place-items:center;flex:none;
}
.btn-primary{
  background:var(--grad-cta);
  color:var(--bg-panel);
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-btn-hover)}
.btn-ghost{
  background:var(--bg-panel);color:var(--text);
  border:1px solid var(--border);
  box-shadow:var(--shadow-ghost);
}
.btn-ghost:hover{transform:translateY(-1px);border-color:var(--accent-line)}
.btn-secondary{
  background:var(--bg-panel-2);color:var(--text);
  border:1px solid var(--border);
}
.btn-secondary:hover{background:var(--bg-panel);border-color:var(--accent-line)}
.btn-sm{height:36px;padding:0 14px;font-size:12.5px;gap:6px}
.btn-block{width:100%}

/* --------------------------------------------------------- announcement -- */
.announce{position:relative;background:var(--grad-bar);color:var(--bg-panel);font-size:13px;z-index:30}
.announce-inner{
  max-width:1360px;margin:0 auto;padding-inline:64px;min-height:42px;
  display:flex;align-items:center;justify-content:center;gap:12px;position:relative;
}
.ann-text{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;letter-spacing:.01em}
.ann-text a{font-weight:700;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.ann-sep{opacity:.6}
.ann-arrow{
  width:22px;height:22px;border-radius:50%;background:var(--on-bar);
  display:grid;place-items:center;flex:none;color:var(--bg-panel);
}
.ann-close{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border:0;padding:0;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:var(--on-bar);color:var(--bg-panel);
}

/* --------------------------------------------------------------- header -- */
.site-head{
  position:relative;z-index:25;
  background:var(--head-bg);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.head-inner{
  position:relative;z-index:70;
  max-width:1360px;margin:0 auto;padding-inline:24px;height:var(--head-h);
  display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:9px;flex:none}
.brand-mark{width:32px;height:32px;flex:none;display:block}
.brand-name{
  font-family:var(--font-display);font-weight:900;font-size:19px;
  letter-spacing:-.02em;line-height:1;color:var(--text);
}
.brand-zh{
  font-size:12.5px;color:var(--text-muted);font-weight:500;letter-spacing:.02em;
  line-height:1;padding-left:9px;border-left:1px solid var(--border);
}

.nav{margin-left:auto;min-width:0}
.nav-list{
  display:flex;align-items:center;gap:1px;
  list-style:none;margin:0;padding:0;
  overflow-x:auto;scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-item{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 9px;border-radius:var(--r-sm);
  font-size:13px;color:var(--text-muted);white-space:nowrap;
  transition:color var(--ease),background-color var(--ease);
}
.nav-item svg{width:15px;height:15px;flex:none;opacity:.9}
.nav-item:hover{color:var(--text);background:var(--bg-panel-2)}
.nav-item.is-active{color:var(--accent);background:var(--accent-ghost);font-weight:700}

.head-tools{display:flex;align-items:center;gap:8px;flex:none;margin-left:auto}
.lang-wrap{position:relative;flex:none}
.lang{
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  min-height:34px;padding:6px 10px;border-radius:var(--r-pill);
  border:1px solid transparent;background:transparent;
  font-size:12.5px;color:var(--text-muted);cursor:pointer;white-space:nowrap;
}
.lang svg{flex:none}
.lang:hover{border-color:var(--border);background:var(--bg-panel)}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);z-index:80;
  min-width:172px;padding:6px;display:grid;gap:2px;
  background:var(--bg-panel);border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:var(--shadow-float);
}
.lang-menu[hidden]{display:none}
.lang-link{
  display:flex;align-items:center;min-height:36px;padding:6px 10px;
  border-radius:var(--r-sm);font-size:13px;color:var(--text);
}
.lang-link:hover{background:var(--bg-panel-2)}
.lang-link.is-current{color:var(--accent);font-weight:700;background:var(--accent-ghost)}

.login{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:34px;padding:0 17px;border-radius:var(--r-pill);
  border:1px solid var(--accent);color:var(--accent);
  font-size:13px;font-weight:700;background:var(--bg-panel);
  white-space:nowrap;transition:background-color var(--ease),color var(--ease);
}
.login:hover{background:var(--accent);color:var(--bg-panel)}

.burger{
  display:none;flex:none;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;cursor:pointer;
  background:var(--bg-panel);border:1px solid var(--border);
  border-radius:var(--r-sm);color:var(--text);
}
.burger-lines{display:grid;gap:4px;width:18px}
.burger-lines i{
  display:block;height:2px;border-radius:2px;background:currentColor;
  transition:transform var(--ease),opacity var(--ease);
}
html.nav-open .burger-lines i:nth-child(1){transform:translateY(6px) rotate(45deg)}
html.nav-open .burger-lines i:nth-child(2){opacity:0}
html.nav-open .burger-lines i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-drawer{display:none}
.nav-veil{display:none}

/* ----------------------------------------------------------------- hero -- */
.hero{
  position:relative;
  background:linear-gradient(180deg,var(--hero-top) 0%,var(--hero-mid) 56%,var(--hero-bottom) 100%);
  padding-top:30px;padding-bottom:0;
  overflow-x:clip;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(38% 44% at 24% 10%,var(--halo-amber),transparent 72%),
    radial-gradient(42% 48% at 76% 6%,var(--halo-rose),transparent 74%);
}
.hero-copy{position:relative;z-index:6;text-align:center;max-width:1000px;margin:0 auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--bg-panel);border:1px solid var(--border);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--text-muted);
  box-shadow:0 6px 16px -12px var(--ink-35);
}
.eyebrow-dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px var(--accent-ghost);flex:none;
}

.hero-h1{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:64px;
  line-height:1.04;
  letter-spacing:-.03em;
  text-align:center;
  text-wrap:balance;
}
.hero-h1 > span{display:inline-block;vertical-align:baseline;margin:0 .13em}
.h1-brand{color:var(--text);font-size:.58em;letter-spacing:-.01em}
.h1-grad{
  background:var(--grad-h1);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
}
.h1-plus{font-size:.7em;font-weight:400;color:var(--text-muted)}
.h1-solid{color:var(--accent)}

.cta-row{
  display:flex;align-items:center;justify-content:center;gap:12px;
  margin-top:22px;flex-wrap:wrap;
}

.lede{
  margin-top:16px;
  font-size:16px;line-height:1.7;color:var(--text-muted);
  letter-spacing:.01em;
}
.lede strong{color:var(--text);font-weight:700}

.trust{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:0 10px;margin-top:14px;
  font-family:var(--font-mono);font-size:12px;color:var(--text-muted);
}
.trust li{display:inline-flex;align-items:center;gap:10px}
.trust li:not(:last-child)::after{content:"·";color:var(--border);font-weight:700}

.plat-row{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:6px 18px;margin-top:12px;
}
.plat{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--text-muted);letter-spacing:.01em;
}
.plat svg{width:15px;height:15px;flex:none;fill:currentColor;color:var(--text-muted)}

.cflag-row{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:6px 16px;margin-top:10px;padding-top:10px;
  border-top:1px dashed var(--border);
}
.cflag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-muted)}
.flag{
  width:20px;height:20px;border-radius:50%;overflow:hidden;flex:none;
  display:grid;place-items:center;background:var(--flag-white);
  box-shadow:0 0 0 1px var(--ink-08) inset,0 2px 4px -2px var(--ink-35);
}
.flag svg{width:100%;height:100%;display:block}
.fl-white{fill:var(--flag-white)}
.fl-red{fill:var(--flag-red)}
.fl-blue{fill:var(--flag-blue)}
.fl-navy{fill:var(--flag-navy)}

/* --------------------------------------------------------- hero device --- */
.hero-visual{position:relative;z-index:2}
.stage{
  position:relative;z-index:2;
  width:1060px;height:500px;
  margin:36px auto 0;
}
.deck{
  position:absolute;inset:0;
  background:linear-gradient(180deg,var(--bg-panel-2) 0%,var(--deck-bottom) 100%);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-deck);
}
.deck::before{
  content:"";position:absolute;inset:0 0 auto 0;height:140px;
  background:linear-gradient(180deg,var(--white-90),transparent);
  border-radius:var(--r-xl) var(--r-xl) 0 0;opacity:.55;
}

.win{
  position:absolute;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.win-main{width:560px;left:50%;top:22px;transform:translateX(-50%);z-index:3}
.win-left{
  width:286px;left:18px;top:100px;transform:rotate(-2.4deg);z-index:2;
  display:flex;flex-direction:column;min-height:280px;
}
.win-right{
  width:286px;right:18px;top:100px;transform:rotate(2.4deg);z-index:2;
  display:flex;flex-direction:column;min-height:280px;
}

.win-bar{
  display:flex;align-items:center;gap:10px;
  padding:12px 16px;border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,var(--bg-panel) 0%,var(--bg-panel-2) 190%);
}
.dots{display:flex;gap:5px;flex:none}
.dots i{width:8px;height:8px;border-radius:50%;background:var(--border);display:block}
.dots i:nth-child(1){background:var(--error)}
.dots i:nth-child(2){background:var(--warn)}
.dots i:nth-child(3){background:var(--success)}
.win-title{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--text-muted);
}
.win-state{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:var(--r-pill);
  background:var(--success-ghost);color:var(--success);
  font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;
}
.win-state i{width:6px;height:6px;border-radius:50%;background:var(--success);display:block}

.conn{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;border-bottom:1px solid var(--border);
  background:var(--bg-panel-2);
}
.conn-label{
  display:block;font-family:var(--font-mono);font-size:10px;
  letter-spacing:.1em;color:var(--text-muted);
}
.conn-value{display:block;font-size:13.5px;font-weight:700;color:var(--text);margin-top:2px}
.switch{
  width:42px;height:23px;border-radius:var(--r-pill);
  background:var(--success);position:relative;flex:none;
  box-shadow:0 0 0 1px var(--success-ghost),0 2px 6px -3px var(--success);
}
.switch i{
  position:absolute;top:2px;right:2px;width:19px;height:19px;border-radius:50%;
  background:var(--bg-panel);box-shadow:0 1px 3px var(--ink-30);
}

.route-list{padding:6px 10px}
.route{
  display:flex;align-items:center;gap:9px;
  padding:7px 8px;border-radius:var(--r-sm);
  font-size:13px;
}
.route + .route{margin-top:1px}
.route.is-active{background:var(--accent-ghost)}
.route .flag{width:19px;height:19px}
.route-name{font-weight:600;min-width:52px;white-space:nowrap}
.chip{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.02em;
  padding:2px 7px;border-radius:var(--r-pill);
  border:1px solid var(--border);color:var(--text-muted);
  background:var(--bg-panel);white-space:nowrap;
}
.chip-iepl{color:var(--accent);border-color:var(--accent-line);background:var(--accent-ghost)}
.chip-relay{color:var(--warn);border-color:var(--warn-ghost);background:var(--warn-ghost)}
.chip-direct{color:var(--success);border-color:var(--success-ghost);background:var(--success-ghost)}
.route-check{
  margin-left:auto;width:15px;height:15px;flex:none;color:var(--accent);
  opacity:0;
}
.route.is-active .route-check{opacity:1}

.win-foot{
  display:flex;align-items:center;gap:7px;flex-wrap:wrap;
  padding:10px 16px;border-top:1px solid var(--border);
  background:var(--bg-panel-2);
  font-family:var(--font-mono);font-size:10px;color:var(--text-muted);
  letter-spacing:.02em;
}
.win-foot b{color:var(--text);font-weight:700}
.win-foot .sep{color:var(--border)}

.steps{padding:12px 14px;display:grid;gap:11px}
.steps li{display:flex;gap:10px;align-items:flex-start}
.step-no{
  flex:none;width:21px;height:21px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--accent-ghost);border:1px solid var(--accent-line);
  color:var(--accent);font-family:var(--font-mono);font-size:10.5px;font-weight:700;
}
.steps b{display:block;font-size:12.5px;font-weight:700;line-height:1.4}
.steps small{display:block;font-size:10.5px;color:var(--text-muted);line-height:1.5;margin-top:1px}
.win-tip{
  margin:auto 14px 14px;padding:8px 10px;border-radius:var(--r-sm);
  background:var(--bg-panel-2);border:1px dashed var(--border);
  font-family:var(--font-mono);font-size:9.5px;line-height:1.5;color:var(--text-muted);
}

.dev-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:7px;
  padding:12px 14px 6px;
}
.dev{
  display:flex;align-items:center;gap:6px;
  padding:7px 8px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--bg-panel);font-size:11px;color:var(--text);
  min-width:0;
}
.dev svg{width:14px;height:14px;flex:none;fill:currentColor;color:var(--text-muted)}
.dev-wide{grid-column:1 / -1;justify-content:center}
.dev-note{
  display:flex;align-items:center;justify-content:center;gap:7px;
  padding:8px 14px 14px;
  font-size:10.5px;color:var(--text-muted);
}
.chip-solid{
  padding:3px 9px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--bg-panel);
  font-family:var(--font-mono);font-size:9.5px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}

.pill{
  position:absolute;z-index:5;
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:var(--text);color:var(--bg-panel);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;
  box-shadow:var(--shadow-float);white-space:nowrap;
}
.pill .dot{
  width:7px;height:7px;border-radius:50%;background:var(--success);flex:none;
  box-shadow:0 0 0 3px var(--success-ghost);
}
.pill svg{width:13px;height:13px;flex:none;color:var(--bg-panel)}
.pill-left{left:24px;top:12px}
.pill-right{right:24px;top:12px}

.float-board{
  position:absolute;z-index:4;
  display:flex;align-items:center;gap:8px;
  padding:10px 11px;border-radius:var(--r-md);
  background:var(--bg-panel);border:1px solid var(--border);
  box-shadow:var(--shadow-float);
}
.float-board .flag{width:22px;height:22px}
.board-flags{left:36px;top:356px}
.board-plats{right:36px;top:356px}
.board-plats svg{width:17px;height:17px;fill:currentColor;color:var(--text);flex:none}

/* --------------------------------------------------------------- footer -- */
.site-foot{
  position:relative;z-index:1;
  background:var(--bg-panel-2);
  border-top:1px solid var(--border);
  padding-top:52px;
}
.foot-grid{
  display:grid;
  grid-template-columns:minmax(240px,1.5fr) repeat(3,minmax(140px,1fr));
  gap:28px 24px;
  padding-bottom:36px;
}
.foot-brand{min-width:0}
.foot-brand .brand{margin-bottom:12px}
.foot-lede{font-size:13.5px;line-height:1.75;color:var(--text-muted);max-width:38ch}
.foot-meta{
  margin-top:10px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.04em;color:var(--text-muted);
}
.foot-title{
  margin:0 0 12px;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.14em;color:var(--text);font-weight:700;
}
.foot-col{min-width:0}
.foot-col ul{display:grid;gap:2px}
.foot-col a{
  display:inline-flex;align-items:center;min-height:32px;padding:4px 0;
  font-size:13.5px;color:var(--text-muted);
}
.foot-col a:hover{color:var(--accent)}
.foot-tags{display:flex;flex-wrap:wrap;gap:6px}
.foot-tags a{
  display:inline-flex;align-items:center;min-height:28px;padding:3px 10px;
  border-radius:var(--r-pill);border:1px solid var(--border);
  background:var(--bg-panel);font-size:12px;color:var(--text-muted);
  max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.foot-tags a:hover{border-color:var(--accent-line);color:var(--accent)}
.foot-base{
  border-top:1px solid var(--border);
  padding-top:16px;padding-bottom:28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 18px;
  font-family:var(--font-mono);font-size:11.5px;color:var(--text-muted);
}
.foot-legal{display:flex;flex-wrap:wrap;gap:6px 16px}
.foot-legal a{display:inline-flex;align-items:center;min-height:24px}
.foot-legal a:hover{color:var(--accent)}

/* ----------------------------------------------------- reveal + status --- */
.reveal{transition:opacity .55s ease,transform .55s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}

#server-status{
  position:relative;display:block;
  max-width:100%;overflow:hidden;
  margin:0 0 32px;min-height:140px;
}
#server-status > *{max-width:100%}

/* ---------------------------------------------------------- responsive --- */
@media (max-width:1180px){
  .head-inner{gap:12px}
  .nav-item{padding:8px 7px;font-size:12.5px}
}
@media (max-width:1120px){
  .stage{zoom:.86}
  .hero-h1{font-size:56px}
}
@media (max-width:1024px){
  .lang .lang-label{display:none}
  .brand-zh{display:none}
}
@media (max-width:920px){
  .stage{zoom:.7}
  .hero-h1{font-size:48px}
  .announce-inner{padding-inline:48px}
}
@media (max-width:900px){
  .head-inner{height:auto;padding:10px 16px;flex-wrap:wrap;gap:8px}
  .nav{display:none}
  .head-tools{margin-left:auto}
  .lang{display:none}
  .burger{display:inline-flex}

  .nav-drawer{
    display:block;
    position:absolute;left:0;right:0;top:100%;z-index:60;
    background:var(--bg-panel);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-float);
    max-height:calc(100dvh - var(--head-h));
    overflow-y:auto;
    overscroll-behavior:contain;
    padding:10px 16px 18px;
  }
  .nav-drawer[hidden]{display:none}
  .drawer-list{display:grid;gap:2px}
  .nav-drawer a{
    display:flex;width:100%;align-items:center;gap:10px;
    min-height:44px;padding:10px 8px;border-radius:var(--r-sm);
    font-size:15px;color:var(--text);
  }
  .nav-drawer a:hover,.nav-drawer a.is-active{background:var(--bg-panel-2);color:var(--accent)}
  .nav-drawer svg{width:17px;height:17px;flex:none;opacity:.85}
  .drawer-sep{height:1px;background:var(--border);margin:10px 0}
  .drawer-title{
    font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;
    color:var(--text-muted);padding:6px 8px;
  }
  .drawer-lang-list{display:grid;gap:2px}
  .nav-veil{
    display:block;position:fixed;inset:0;z-index:40;
    background:var(--scrim);border:0;padding:0;
  }
  .nav-veil[hidden]{display:none}
}
@media (max-width:760px){
  .stage{
    zoom:1;width:100%;height:auto;
    display:flex;flex-direction:column;gap:12px;
    padding:12px;margin-top:26px;
    background:var(--bg-panel-2);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-soft);
  }
  .deck{display:none}
  .win{position:static;width:100%;transform:none;min-height:0;box-shadow:var(--shadow-soft)}
  .win-left,.win-right{transform:none}
  .pill{position:static;box-shadow:none;align-self:flex-start}
  .float-board{display:none}
  .hero-h1{font-size:38px}
  .hero-h1 > span{margin:0 .09em}
  .lede{font-size:14.5px}
  .trust{font-size:11px;gap:0 8px}
  .trust li:not(:last-child)::after{margin-left:0}
  .plat-row{gap:6px 12px}
  .cflag-row{gap:6px 12px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  :root{--gutter:16px;--sec-y:48px}
  .no-break{white-space:normal}
  .tilt,.tilt-r{transform:none}
  .hero-h1{font-size:34px;letter-spacing:-.02em}
  .hero{padding-top:22px}
  .announce{font-size:12px}
  .announce-inner{padding-inline:40px;min-height:38px}
  .ann-arrow{display:none}
  .ann-close{right:8px;width:20px;height:20px}
  .btn{height:46px;padding:0 20px;font-size:14px}
  .btn-primary{width:100%;max-width:280px}
  .dev-grid{grid-template-columns:1fr}
  .dev-wide{grid-column:auto}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .foot-base{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
  .reveal,.reveal.pending{opacity:1;transform: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 */