/* ==========================================================================
   VPNSJ design system — base.css
   Tokens / reset / typography / layout / buttons / header / footer /
   surfaces / reveal / responsive guards.
   All colours, radii and type stacks live in :root only.
   ========================================================================== */

:root{
  /* ---- surfaces ---- */
  --bg:#FBF4EA;
  --bg-hero-top:#FFFCF7;
  --bg-hero-bottom:#F6EBDC;
  --bg-panel:#FFFCF7;
  --bg-panel-2:#F3E7D7;
  --bg-deep:#2B2118;
  --bg-deep-2:#3A2B1F;
  --border:#E4D4BF;
  --border-strong:#CDB79C;

  /* ---- accent ---- */
  --accent:#5B2A54;
  --accent-dark:#3E1B39;
  --accent-rose:#A24C6B;
  --accent-tint:rgba(91,42,84,0.07);
  --accent-tint-2:rgba(162,76,107,0.12);
  --on-accent:#FFFCF7;
  --on-accent-soft:rgba(255,252,247,0.86);

  /* ---- text ---- */
  --text:#2B2118;
  --text-muted:#6E5C4E;
  --text-soft:#8D7A6A;
  --on-deep:#FBF4EA;
  --on-deep-muted:#CBB9A6;

  /* ---- semantic ---- */
  --success:#1F7A5C;
  --warn:#B4761F;
  --error:#A83232;
  --success-tint:rgba(31,122,92,0.08);
  --success-ring:rgba(31,122,92,0.18);
  --warn-tint:rgba(180,118,31,0.09);
  --error-tint:rgba(168,50,50,0.08);

  /* ---- flag palette (hero flag row) ---- */
  --flag-red:#B3272D;
  --flag-blue:#22356B;
  --flag-white:#FFFFFF;
  --flag-green:#1E7A4B;

  /* ---- texture / halos / veil ---- */
  --grain:rgba(43,33,24,0.045);
  --halo-rose:rgba(162,76,107,0.13);
  --halo-warm:rgba(91,42,84,0.09);
  --veil:rgba(43,33,24,0.46);

  /* ---- elevation ---- */
  --shadow-card:0 18px 38px -22px rgba(91,42,84,0.26);
  --shadow-soft:0 10px 24px -18px rgba(91,42,84,0.28);
  --shadow-chip:0 14px 26px -14px rgba(91,42,84,0.30);
  --shadow-stage:0 46px 88px -46px rgba(91,42,84,0.38);
  --shadow-featured:0 30px 56px -30px rgba(91,42,84,0.42);
  --shadow-deep:rgba(43,33,24,0.42);
  --shadow-accent:rgba(91,42,84,0.42);
  --hairline:inset 0 1px 0 rgba(255,255,255,0.85);
  --hairline-strong:rgba(255,255,255,0.34);

  /* ---- radii ---- */
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --radius-xs:6px;
  --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:Inter,'Noto Sans SC','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 ---- */
  --wrap-max:1200px;
  --gutter:32px;
  --header-h:72px;
  --sec-y:84px;
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
}
body{
  margin:0;
  overflow-x:clip;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(var(--grain) 0.5px,transparent 0.6px);
  background-size:3px 3px;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
svg{display:block}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-xs)}

/* ---------- typography ---------- */
h1,h2,h3,h4{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  color:var(--text);
  line-height:1.14;
  letter-spacing:-0.02em;
  text-wrap:balance;
}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.1}
h2{font-size:clamp(26px,3.1vw,38px);line-height:1.16}
h3{font-size:clamp(19px,1.8vw,23px);font-weight:700;letter-spacing:-0.01em;line-height:1.35}
h4{font-size:17px;font-weight:700;letter-spacing:0;line-height:1.45}
p{margin:0}
strong,b{font-weight:700}
code,kbd,samp{
  font-family:var(--font-mono);
  font-size:0.92em;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.lead{
  font-size:clamp(16px,1.4vw,19px);
  line-height:1.72;
  color:var(--text-muted);
  max-width:62ch;
}
.text-muted{color:var(--text-muted)}
.mono{font-family:var(--font-mono)}

/* ---------- layout ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.sec{padding-top:var(--sec-y);padding-bottom:var(--sec-y)}
.sec--tight{padding-top:var(--sp-7);padding-bottom:var(--sp-7)}
.sec--paper{background:var(--bg-panel-2)}
.sec-head{max-width:720px;margin-bottom:var(--sp-6)}
.sec-head p{margin-top:var(--sp-3)}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:var(--sp-3);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--accent);
}
.kicker::before{
  content:"";
  width:16px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-rose));
  flex:none;
}
.stack{display:flex;flex-direction:column;gap:var(--sp-4)}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--pill);
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:14.5px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:0.01em;
  text-align:center;
  white-space:nowrap;
  flex-shrink:0;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:0 30px;
  border:0;
  border-radius:var(--pill);
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-rose) 100%);
  color:var(--on-accent);
  font-family:var(--font-body);
  font-size:15.5px;
  font-weight:700;
  letter-spacing:0.01em;
  white-space:nowrap;
  flex-shrink:0;
  cursor:pointer;
  box-shadow:0 16px 30px -14px var(--shadow-accent),inset 0 1px 0 var(--hairline-strong);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 20px 34px -14px var(--shadow-accent),inset 0 1px 0 var(--hairline-strong);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 24px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel);
  color:var(--text);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  flex-shrink:0;
  cursor:pointer;
  box-shadow:var(--hairline);
  transition:border-color .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:var(--accent);transform:translateY(-1px)}
.btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel);
  color:var(--accent);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  flex-shrink:0;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-secondary:hover{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.btn-quiet{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  flex-shrink:0;
  cursor:pointer;
}
.btn-quiet:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:24px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  border-bottom:1px solid transparent;
}
.btn-link:hover{border-bottom-color:var(--accent)}

/* ---------- pills / badges / chips ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:5px;
  max-width:100%;
  padding:4px 10px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel);
  font-size:12px;
  color:var(--text-muted);
  white-space:nowrap;
  overflow:hidden;
}
.pill-accent{border-color:var(--accent);color:var(--accent);font-weight:600}
.pill-accent svg{width:12px;height:12px;flex:none;color:var(--accent)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  max-width:100%;
  padding:3px 10px;
  border-radius:var(--pill);
  border:1px solid transparent;
  background:var(--accent-tint);
  color:var(--accent);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:0.02em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.badge--success{background:var(--success-tint);color:var(--success)}
.badge--warn{background:var(--warn-tint);color:var(--warn)}
.badge--outline{background:var(--bg-panel);border-color:var(--border);color:var(--text-muted);font-weight:600}
.tag-chip{
  display:inline-flex;
  align-items:center;
  max-width:100%;
  padding:3px 10px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel-2);
  color:var(--text-muted);
  font-size:11.5px;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  max-width:100%;
  margin:0;
  padding:5px 14px 5px 6px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel);
  box-shadow:var(--shadow-chip);
  font-size:12.5px;
  color:var(--text-muted);
}
.eyebrow .tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--pill);
  background:var(--accent);
  color:var(--on-accent);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:0.02em;
  white-space:nowrap;
  flex:none;
}
.eyebrow .mono{font-family:var(--font-mono);font-size:11.5px;font-weight:500;color:var(--text)}
.dot-live{
  width:8px;
  height:8px;
  flex:none;
  border-radius:50%;
  background:var(--success);
  box-shadow:0 0 0 3px var(--success-ring);
  animation:breath 6s ease-in-out infinite;
}
@keyframes breath{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.42;transform:scale(.82)}
}

/* ---------- header ---------- */
.site-head{
  position:relative;
  z-index:40;
  background:var(--bg-panel);
  border-bottom:1px solid var(--border);
}
.head-inner{
  position:relative;
  max-width:var(--wrap-max);
  margin:0 auto;
  padding:0 var(--gutter);
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.logo-mark{width:30px;height:30px;flex:none}
.brand-en{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:800;
  letter-spacing:-0.02em;
  color:var(--text);
}
.brand-zh{
  padding-left:10px;
  border-left:1px solid var(--border);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:0.02em;
  color:var(--text-muted);
  white-space:nowrap;
}
.nav{display:flex;align-items:center;gap:12px;margin-left:auto;min-width:0;flex:1 1 auto;justify-content:flex-end}
.nav ul{
  display:flex;
  align-items:center;
  gap:12px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav li{display:flex;align-items:center}
.nav a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  font-size:13px;
  font-weight:500;
  color:var(--text-muted);
  letter-spacing:0.01em;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav a:hover{color:var(--text)}
.nav a[aria-current="page"]{color:var(--text);font-weight:700}
.head-tools{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  padding-left:12px;
  border-left:1px solid var(--border);
}
.lang-wrap{position:relative;display:inline-flex;align-items:center}
.lang{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:36px;
  padding:6px 8px;
  border:0;
  border-radius:var(--radius-sm);
  background:transparent;
  color:var(--text-muted);
  font-family:var(--font-body);
  font-size:13px;
  white-space:nowrap;
  cursor:pointer;
  transition:color .18s ease,background-color .18s ease;
}
.lang:hover{color:var(--text);background:var(--bg-panel-2)}
.lang svg{width:10px;height:10px;flex:none;color:var(--text-muted)}
.lang-menu{
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  z-index:60;
  display:none;
  min-width:168px;
  margin:0;
  padding:6px;
  list-style:none;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
}
.lang-menu.is-open{display:block}
.lang-menu a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:8px 12px;
  border-radius:var(--radius-sm);
  font-size:13.5px;
  color:var(--text);
}
.lang-menu a:hover{background:var(--bg-panel-2)}
.lang-menu a[aria-current="true"]{color:var(--accent);font-weight:700}
.btn-login{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:36px;
  padding:0 14px;
  border-radius:var(--pill);
  border:1px solid var(--accent);
  background:var(--bg-panel);
  color:var(--accent);
  font-size:13.5px;
  font-weight:600;
  white-space:nowrap;
  flex-shrink:0;
  transition:background-color .18s ease,color .18s ease;
}
.btn-login:hover{background:var(--accent);color:var(--on-accent)}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:var(--bg-panel);
  cursor:pointer;
  flex:none;
}
.nav-toggle i{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:background-color .2s ease;
}
.nav-toggle i::before,
.nav-toggle i::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease;
}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}
html.nav-open .nav-toggle i{background:transparent}
html.nav-open .nav-toggle i::before{transform:translateY(6px) rotate(45deg)}
html.nav-open .nav-toggle i::after{transform:translateY(-6px) rotate(-45deg)}
html.nav-open{overflow:hidden}
.nav-drawer{display:none}
.nav-veil{display:none}

/* ---------- footer ---------- */
.site-foot{
  position:relative;
  z-index:1;
  background:var(--bg-panel-2);
  border-top:1px solid var(--border);
  color:var(--text);
}
.foot-main{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,2.4fr);
  gap:var(--sp-7);
  padding-top:var(--sp-8);
  padding-bottom:var(--sp-7);
}
.foot-brand{display:flex;flex-direction:column;gap:var(--sp-3);min-width:0;max-width:340px}
.foot-brand .brand{min-height:0}
.foot-desc{font-size:13.5px;line-height:1.75;color:var(--text-muted)}
.foot-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--sp-6);
  min-width:0;
}
.foot-col{min-width:0}
.foot-title{
  margin:0 0 var(--sp-3);
  font-family:var(--font-body);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:0.08em;
  color:var(--text-muted);
}
.foot-list{display:flex;flex-direction:column;gap:2px;list-style:none;margin:0;padding:0}
.foot-list a{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  font-size:13.5px;
  color:var(--text);
  transition:color .18s ease;
}
.foot-list a:hover{color:var(--accent)}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.foot-tags a{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:3px 10px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:var(--bg-panel);
  font-size:12px;
  color:var(--text-muted);
  transition:border-color .18s ease,color .18s ease;
}
.foot-tags a:hover{border-color:var(--accent);color:var(--accent)}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-4);
  padding-top:var(--sp-4);
  padding-bottom:var(--sp-6);
  border-top:1px solid var(--border);
}
.foot-copy{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--text-muted);
}
.foot-legal{display:flex;flex-wrap:wrap;gap:18px;list-style:none;margin:0;padding:0}
.foot-legal a{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  font-size:12.5px;
  color:var(--text-muted);
}
.foot-legal a:hover{color:var(--accent)}

/* ---------- generic surfaces ---------- */
.card{
  min-width:0;
  padding:var(--sp-5);
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.card--flat{box-shadow:none}
.card--inset{background:var(--bg-panel-2);box-shadow:none}
.card-hover{transition:transform .2s ease,box-shadow .2s ease}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow-stage)}
.panel{
  min-width:0;
  padding:var(--sp-5);
  background:var(--bg-panel-2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
}
.divider{height:1px;border:0;margin:0;background:var(--border)}

/* ---------- reveal (visibility owned by reveal.js) ---------- */
.reveal{transition:opacity .5s ease,transform .5s ease}
.reveal.pending{opacity:0;transform:translateY(16px)}
.reveal.shown{opacity:1;transform:none}

/* ---------- utilities ---------- */
.no-break{white-space:nowrap}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  margin:-1px;
  padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
.grad{
  background:linear-gradient(96deg,var(--accent) 6%,var(--accent-rose) 94%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--accent);
}
.grad-a{stop-color:var(--accent)}
.grad-b{stop-color:var(--accent-rose)}

/* server-status slot: always keeps its own height, never absolute */
#server-status,
.server-status{
  position:relative;
  display:block;
  width:100%;
  max-width:100%;
  margin-block:var(--sp-5);
  overflow:hidden;
  border-radius:var(--radius-lg);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  :root{--gutter:28px}
  .head-inner{gap:14px}
  .nav{display:none}
  .head-tools{margin-left:auto}
  .nav-toggle{display:inline-flex}
  .nav-drawer{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    z-index:32;
    display:block;
    max-height:calc(100dvh - var(--header-h));
    overflow-y:auto;
    overscroll-behavior:contain;
    padding:var(--sp-2) 0 var(--sp-4);
    background:var(--bg-panel);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-card);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  }
  html.nav-open .nav-drawer{opacity:1;visibility:visible;transform:none}
  .nav-drawer ul{list-style:none;margin:0;padding:0}
  .nav-drawer li{display:block}
  .nav-drawer a{
    display:flex;
    align-items:center;
    width:100%;
    min-height:48px;
    padding:12px var(--gutter);
    border-bottom:1px solid var(--border);
    font-size:15px;
    font-weight:600;
    color:var(--text);
  }
  .nav-drawer a:hover{background:var(--bg-panel-2)}
  .nav-drawer a[aria-current="page"]{color:var(--accent)}
  .nav-drawer .drawer-lang{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    padding:var(--sp-4) var(--gutter) var(--sp-2);
    border-bottom:0;
  }
  .nav-drawer .drawer-lang a{
    display:inline-flex;
    width:auto;
    min-height:40px;
    padding:8px 14px;
    border:1px solid var(--border);
    border-radius:var(--pill);
    font-size:13.5px;
    font-weight:600;
  }
  .nav-veil{
    position:fixed;
    inset:var(--header-h) 0 0;
    z-index:31;
    display:block;
    background:var(--veil);
    opacity:0;
    visibility:hidden;
    transition:opacity .18s ease,visibility .18s ease;
  }
  html.nav-open .nav-veil{opacity:1;visibility:visible}
}
@media (max-width:1024px){
  .foot-main{grid-template-columns:1fr;gap:var(--sp-6)}
  .foot-brand{max-width:none}
}
@media (max-width:768px){
  :root{--gutter:20px;--header-h:64px;--sec-y:60px}
  .brand-zh{display:none}
  .head-tools{padding-left:0;border-left:0}
  .foot-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5)}
  .foot-bottom{justify-content:flex-start}
}
@media (max-width:640px){
  .no-break{white-space:normal}
  .btn-primary,.btn-ghost{min-height:48px;font-size:14.5px}
  .btn-primary{padding:0 24px}
  .btn-ghost{padding:0 20px}
  .foot-cols{grid-template-columns:1fr}
  h1{letter-spacing:-0.015em}
}
@media (max-width:480px){
  :root{--gutter:16px}
  /* keep the header row inside the viewport on small phones */
  .head-inner{gap:12px}
  .head-tools{gap:10px}
  .btn-login{padding:0 12px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition: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 */