/* ==========================================================================
   风禾小镇 · 纯生存服务器
   Minimal editorial style, warm paper + moss green
   ========================================================================== */

:root{
  --bg:#F5F3ED;
  --bg-2:#EFEDE4;
  --surface:#FCFBF7;
  --ink:#14160F;
  --ink-2:#4C5045;
  --muted:#7C8175;
  --line:rgba(20,22,15,.10);
  --line-2:rgba(20,22,15,.18);
  --green:#2F6B3C;
  --green-2:#3F8A50;
  --green-3:#5C9A53;
  --tint:#E4ECDD;
  --wrap:1180px;
  --r:20px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Space Grotesk","Noto Sans SC",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}

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

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

::selection{background:var(--green);color:#F6F8F1}

img,svg,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--green-2);outline-offset:3px;border-radius:4px}
.mono{font-family:var(--mono);font-feature-settings:"tnum" 1;letter-spacing:.01em}

.skip{
  position:fixed;top:-100px;left:16px;z-index:200;
  padding:10px 18px;border-radius:999px;background:var(--ink);color:#F5F3ED;font-size:14px;
  transition:top .2s;
}
.skip:focus{top:14px}

.wrap{width:min(calc(100% - 64px),var(--wrap));margin-inline:auto}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:50px;padding:0 24px;border-radius:999px;
  border:1px solid transparent;background:transparent;
  font-size:14.5px;font-weight:500;letter-spacing:.01em;white-space:nowrap;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--sm{min-height:40px;padding:0 18px;font-size:13.5px}
.btn--block{width:100%}

.btn--solid{background:var(--ink);color:#F7F6F0;box-shadow:0 1px 0 rgba(255,255,255,.08) inset}
.btn--solid:hover{background:#000;box-shadow:0 16px 28px -18px rgba(20,22,15,.7)}
.btn--light{background:#F5F3ED;color:var(--ink)}
.btn--light:hover{background:#fff;box-shadow:0 16px 28px -18px rgba(0,0,0,.6)}
.btn--line{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.35)}
.btn--line:hover{border-color:var(--ink);background:#fff}
.btn--ghost{background:rgba(20,22,15,.05);color:var(--ink)}
.btn--ghost:hover{background:rgba(20,22,15,.09)}

.btn__ip{
  padding-left:12px;margin-left:2px;border-left:1px solid rgba(245,243,237,.28);
  font-size:12.5px;opacity:.72;font-weight:400;
}

/* --------------------------------------------------------------------------
   Nav
   -------------------------------------------------------------------------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s;
  animation:fadeDown .8s var(--ease) both;
}
.nav.is-stuck{
  background:rgba(245,243,237,.78);
  -webkit-backdrop-filter:saturate(1.4) blur(16px);
  backdrop-filter:saturate(1.4) blur(16px);
  border-bottom-color:var(--line);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:82px;transition:height .4s var(--ease)}
.nav.is-stuck .nav__inner{height:66px}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand__mark{width:24px;height:24px;flex:0 0 auto;transition:transform .5s var(--ease)}
.brand:hover .brand__mark{transform:rotate(-8deg) scale(1.05)}
.brand__text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:16.5px;font-weight:700;letter-spacing:.02em;
}
.brand__text em{
  font-style:normal;font-family:var(--mono);font-size:8.5px;font-weight:500;
  letter-spacing:.22em;color:var(--muted);margin-top:3px;
}
.brand--static{cursor:default}

.nav__links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav__links a{
  position:relative;font-size:14px;color:var(--ink-2);padding:6px 0;
  transition:color .25s;
}
.nav__links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease);
}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:left}

.nav__actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav__qq .mono{font-size:12.5px;opacity:.7}

.nav__burger{
  display:none;width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;flex-direction:column;gap:6px;
  background:rgba(20,22,15,.05);
}
.nav__burger span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .3s}
.nav__burger[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}

/* Mobile menu */
.mobile-menu{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:26px 24px 34px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .35s var(--ease),visibility .35s,transform .45s var(--ease);
}
.mobile-menu.is-open{opacity:1;visibility:visible;transform:none}
.mobile-menu__head{display:flex;align-items:flex-start;justify-content:space-between}
.mobile-menu__close{font-size:34px;line-height:1;width:44px;height:44px;border-radius:50%;background:rgba(20,22,15,.05)}
.mobile-menu__links{display:flex;flex-direction:column;gap:4px}
.mobile-menu__links a{
  display:flex;align-items:baseline;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
  font-size:28px;font-weight:500;letter-spacing:-.02em;
}
.mobile-menu__links .mono{font-size:11px;color:var(--muted);letter-spacing:.1em}
.mobile-menu__foot{display:flex;flex-direction:column;gap:10px}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero{position:relative;padding:128px 0 0;overflow:hidden}
.hero__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:76px 76px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 26%,#000 10%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 26%,#000 10%,transparent 78%);
  opacity:.7;
}
.hero__pixels{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.pixel{
  position:absolute;width:var(--s);height:var(--s);background:var(--c);
  opacity:var(--o);
  animation:drift var(--dur) linear infinite;
  animation-delay:var(--delay);
  will-change:transform;
}

.hero__inner{position:relative;z-index:2}
.hero__main{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:clamp(28px,5vw,72px);align-items:center;
  min-height:min(76svh,720px);padding:24px 0 8px;
}

.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:500;
}
.eyebrow .mono{letter-spacing:.08em;color:var(--ink);opacity:.55}
.eyebrow .mono::after{content:"—";margin-left:8px;opacity:.5}
.dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green-2);
  box-shadow:0 0 0 4px rgba(63,138,80,.14);
  animation:dotPulse 2.6s ease-in-out infinite;
  flex:0 0 auto;
}
.dot--light{background:#93B78A;box-shadow:0 0 0 4px rgba(147,183,138,.12)}

.hero__title{
  margin:22px 0 26px;
  font-size:clamp(48px,7.1vw,92px);
  line-height:1.02;font-weight:600;letter-spacing:-.045em;
}
.hero__title .u{
  background-image:linear-gradient(transparent 71%,var(--tint) 71%,var(--tint) 94%,transparent 94%);
  padding:0 .06em;
}
.hero__desc{max-width:44ch;color:var(--ink-2);font-size:16.5px;line-height:1.85}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__chips{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px}
.hero__chips li{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--muted);
}
.hero__chips li::before{
  content:"";width:5px;height:5px;border-radius:1px;background:var(--green-3);opacity:.75;
}

.hero__visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:430px}

.iso{
  position:absolute;top:-110px;right:-32px;width:min(330px,80%);height:auto;
  opacity:.95;pointer-events:none;filter:saturate(.94);
}
.iso__cube{animation:isoFloat 8s ease-in-out infinite;transform-origin:160px 180px}

/* Join card */
.join-card{
  position:relative;z-index:2;width:100%;max-width:420px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
  box-shadow:0 40px 70px -50px rgba(20,22,15,.55),0 2px 0 rgba(255,255,255,.7) inset;
}
.join-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px}
.status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2)}
.status__dot{
  width:7px;height:7px;border-radius:50%;background:#4E9A54;flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(78,154,84,.16);
  animation:dotPulse 2.6s ease-in-out infinite;
}
.status--light{color:rgba(245,243,237,.72)}
.status--light .status__dot{background:#9BD08F;box-shadow:0 0 0 4px rgba(155,208,143,.16)}
.tag{
  font-size:10.5px;letter-spacing:.1em;color:var(--green);
  background:var(--tint);padding:4px 9px;border-radius:999px;
}

.join-card__rows{border-top:1px solid var(--line)}
.row{
  display:flex;align-items:center;gap:10px;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:13px;
}
.row__k{color:var(--muted);flex:0 0 86px}
.row__v{margin-left:auto;text-align:right;font-size:13.5px;font-weight:500;letter-spacing:.005em}
.row__hint{font-size:10.5px;color:var(--muted);opacity:.75;text-align:right;max-width:78px;line-height:1.35}
.icon-btn{
  width:28px;height:28px;border-radius:8px;flex:0 0 auto;
  display:grid;place-items:center;
  background:rgba(20,22,15,.045);color:var(--ink-2);
  transition:background .25s,color .25s,transform .25s;
}
.icon-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--tint);color:var(--green);transform:translateY(-1px)}
.icon-btn.is-copied{background:var(--green);color:#fff}

.join-card__foot{display:grid;gap:8px;margin-top:18px}

/* Stats */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  margin-top:clamp(40px,6vw,80px);
}
.stats li{padding:26px 0 46px;padding-right:24px;border-right:1px solid var(--line)}
.stats li:last-child{border-right:0}
.stats li+li{padding-left:28px}
.stats b{
  display:flex;align-items:baseline;gap:4px;
  font-family:var(--mono);font-size:clamp(28px,3.4vw,42px);
  font-weight:500;letter-spacing:-.03em;line-height:1;
}
.stats b i{font-style:normal;font-size:13px;color:var(--muted);font-family:var(--font);font-weight:400;letter-spacing:0}
.stats b.stats__text{font-family:var(--font);font-size:clamp(24px,2.9vw,34px);font-weight:600;letter-spacing:-.03em;line-height:1.15}
.stats li>span{display:block;margin-top:10px;font-size:12px;color:var(--muted);letter-spacing:.02em}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section{padding:clamp(76px,9vw,132px) 0;position:relative}
.section-head{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  align-items:end;gap:clamp(28px,5vw,72px);margin-bottom:clamp(40px,5vw,64px);
}
.section-title{
  margin-top:20px;
  font-size:clamp(32px,4.3vw,56px);
  line-height:1.14;font-weight:600;letter-spacing:-.035em;
  text-wrap:balance;
}
.lead{color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:52ch;padding-bottom:6px}

/* Features */
.features{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);border-radius:22px;overflow:hidden;
}
.feature{
  position:relative;background:var(--bg);padding:30px 28px 36px;
  transition:background .4s var(--ease);
}
.feature::after{
  content:"";position:absolute;left:28px;top:0;width:0;height:2px;
  background:var(--green);transition:width .5s var(--ease);
}
.feature:hover{background:#FCFBF6}
.feature:hover::after{width:28px}
.feature__num{font-size:11px;letter-spacing:.14em;color:var(--muted);transition:color .3s}
.feature:hover .feature__num{color:var(--green)}
.feature h3{margin:24px 0 10px;font-size:18.5px;font-weight:600;letter-spacing:-.01em}
.feature p{font-size:14px;line-height:1.8;color:var(--ink-2)}

.manifesto{
  margin-top:clamp(44px,6vw,72px);
  padding:clamp(40px,6vw,64px) 0 0;
  border-top:1px solid var(--line);
  text-align:center;
}
.manifesto p{
  font-size:clamp(23px,3.4vw,42px);line-height:1.45;
  letter-spacing:-.03em;font-weight:500;
  text-wrap:balance;
}
.manifesto em{font-style:normal;color:var(--green)}

/* --------------------------------------------------------------------------
   Map section (dark)
   -------------------------------------------------------------------------- */
.section--map{
  --ink:#ECEFE3;
  --ink-2:#B7BEAC;
  --muted:#8B9482;
  --line:rgba(236,239,227,.12);
  --line-2:rgba(236,239,227,.24);
  background:#0D100C;
  color:var(--ink);
  overflow:hidden;
}
.section--map::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 78% 0%,rgba(94,154,83,.14),transparent 70%);
}
.section--map .wrap{position:relative}
.map-head{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  align-items:end;gap:clamp(28px,5vw,64px);
  margin-bottom:clamp(32px,4vw,48px);
}
.map-head .lead{margin-top:20px}
.lead--light{color:var(--ink-2);max-width:48ch}
.eyebrow--light{color:var(--muted)}
.eyebrow--light .mono{color:var(--ink);opacity:.7}

.legend{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;
  padding-bottom:6px;
}
.legend li{
  display:flex;align-items:center;gap:7px;
  padding:6px 11px;border-radius:999px;
  border:1px solid var(--line);
  font-size:11.5px;color:var(--ink-2);letter-spacing:.04em;
  background:rgba(236,239,227,.03);
}
.legend i{width:7px;height:7px;border-radius:2px;background:var(--c)}

.map{
  position:relative;height:clamp(420px,64vh,600px);
  border-radius:24px;overflow:hidden;
  background:#0A0D09;
  border:1px solid rgba(236,239,227,.1);
  box-shadow:0 50px 90px -60px #000,0 0 0 1px rgba(0,0,0,.4) inset;
  cursor:grab;touch-action:none;
  isolation:isolate;
}
.map.is-dragging{cursor:grabbing}
#mapCanvas{position:absolute;inset:0;width:100%;height:100%}
.map::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 90px 20px rgba(4,7,4,.55);
  border-radius:inherit;
}

.map__hud{
  position:absolute;z-index:3;display:flex;flex-direction:column;gap:1px;
  padding:8px 12px;border-radius:11px;
  background:rgba(9,12,8,.55);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(236,239,227,.12);
  pointer-events:none;
}
.map__hud--tl{top:16px;left:16px}
.map__hud--tr{top:16px;right:16px;align-items:flex-end}
.hud-label{font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:#8B9482}
.hud-value{font-size:12px;color:#DCE2D0;letter-spacing:.02em}

.map__controls{
  position:absolute;z-index:4;right:16px;bottom:16px;
  display:flex;flex-direction:column;gap:6px;
}
.map-btn{
  width:38px;height:38px;border-radius:10px;
  background:rgba(9,12,8,.6);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(236,239,227,.14);
  color:#E4E9DA;font-size:17px;line-height:1;
  display:grid;place-items:center;
  transition:background .25s,transform .25s,border-color .25s;
}
.map-btn:hover{background:rgba(236,239,227,.14);transform:translateY(-1px)}
.map-btn--wide{font-size:11px;letter-spacing:.06em;width:38px;height:32px}

.map__info{
  position:absolute;z-index:4;left:16px;bottom:16px;
  width:268px;padding:16px 18px 18px;
  border-radius:16px;
  background:rgba(9,12,8,.78);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(236,239,227,.14);
  box-shadow:0 20px 40px -30px #000;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.map__info.is-hidden{opacity:0;transform:translateY(10px);pointer-events:none}
.map__info-close{
  position:absolute;top:10px;right:10px;
  width:24px;height:24px;border-radius:50%;
  color:#AEB6A4;font-size:16px;line-height:1;
  display:grid;place-items:center;
  transition:background .2s,color .2s;
}
.map__info-close:hover{background:rgba(236,239,227,.12);color:#fff}
.map__info-kicker{
  font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:#8FA083;
}
.map__info h3{margin:7px 0 3px;font-size:18px;font-weight:600;letter-spacing:-.01em;color:#F1F4E9}
.map__info-coords{font-size:11px;color:#93A087;letter-spacing:.03em}
.map__info-desc{margin-top:9px;font-size:12.5px;line-height:1.7;color:#C3CBBA}

.map__hint{
  position:absolute;z-index:3;left:50%;bottom:18px;transform:translateX(-50%);
  font-size:11px;letter-spacing:.06em;color:rgba(236,239,227,.5);
  pointer-events:none;white-space:nowrap;
}
.map-foot{
  display:flex;align-items:center;gap:10px;
  margin-top:18px;font-size:12px;color:var(--muted);
}

/* --------------------------------------------------------------------------
   Join
   -------------------------------------------------------------------------- */
.join-grid{
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:clamp(32px,5vw,72px);align-items:start;
}
.steps{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step__n{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--tint);color:var(--green);
  font-size:11.5px;letter-spacing:.04em;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:46ch}
.link-mono{
  font-family:var(--mono);font-size:13.5px;font-weight:500;color:var(--green);
  border-bottom:1px solid rgba(47,107,60,.35);padding:0 1px;
  transition:border-color .2s,color .2s;
}
.link-mono:hover{border-color:var(--green);color:#1F522C}

.rules{margin-top:36px}
.rules__title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:14px}
.rules ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.rules li{
  display:flex;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.6;
}
.rules li::before{
  content:"";flex:0 0 auto;width:5px;height:5px;margin-top:9px;
  background:var(--green-3);border-radius:1px;
}

.group-card{
  position:sticky;top:96px;
  background:var(--ink);color:#F1F0E7;
  border-radius:26px;padding:32px 30px 26px;
  overflow:hidden;
  box-shadow:0 40px 80px -50px rgba(20,22,15,.8);
}
.group-card::before{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(110,170,95,.28),transparent 68%);
  pointer-events:none;
}
.group-card__k{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(241,240,231,.5)}
.group-card__num{
  margin-top:10px;margin-bottom:16px;
  font-size:clamp(30px,3.6vw,42px);font-weight:500;letter-spacing:.01em;line-height:1;
}
.group-card__desc{font-size:13px;line-height:1.8;color:rgba(241,240,231,.66);margin-bottom:22px}
.group-card .btn--light{min-height:48px}
.group-card__foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(241,240,231,.14)}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.section--faq{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-grid{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:clamp(32px,6vw,88px);align-items:start;
}
.faq-grid .lead{margin-top:22px;margin-bottom:26px}
.faq{border-top:1px solid var(--line-2)}
.faq__item{border-bottom:1px solid var(--line-2)}
.faq__q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;padding:22px 0;text-align:left;
  font-size:15.5px;font-weight:500;letter-spacing:-.005em;
  transition:color .25s;
}
.faq__q:hover{color:var(--green)}
.faq__icon{
  position:relative;flex:0 0 auto;width:16px;height:16px;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;top:50%;left:0;width:16px;height:1.5px;
  background:var(--ink);transform:translateY(-50%);
  transition:transform .4s var(--ease),background .25s;
}
.faq__icon::after{transform:translateY(-50%) rotate(90deg)}
.faq__item.is-open .faq__icon::after{transform:translateY(-50%) rotate(0deg)}
.faq__item.is-open .faq__q{color:var(--green)}
.faq__a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .45s var(--ease);
}
.faq__item.is-open .faq__a{grid-template-rows:1fr}
.faq__a-inner{overflow:hidden}
.faq__a-inner p{
  padding:0 44px 24px 0;
  font-size:14px;line-height:1.85;color:var(--ink-2);
  opacity:0;transform:translateY(-4px);
  transition:opacity .4s .06s,transform .4s .06s;
}
.faq__item.is-open .faq__a-inner p{opacity:1;transform:none}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer{padding:clamp(52px,6vw,76px) 0 26px;background:var(--bg)}
.footer__top{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:clamp(32px,5vw,80px);
  padding-bottom:clamp(36px,5vw,56px);
  border-bottom:1px solid var(--line);
}
.footer__brand p{margin-top:20px;font-size:13.5px;line-height:1.9;color:var(--muted)}
.footer__cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.footer__cols h4{
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:500;margin-bottom:16px;
}
.footer__cols a,.footer__link{
  display:block;font-size:13.5px;color:var(--ink-2);padding:5px 0;text-align:left;
  transition:color .2s,transform .2s;
}
.footer__cols a:hover,.footer__link:hover{color:var(--ink);transform:translateX(2px)}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;
  padding-top:22px;font-size:11.5px;color:var(--muted);
}

/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */
.toast{
  position:fixed;left:50%;bottom:28px;z-index:120;
  transform:translate(-50%,16px);opacity:0;pointer-events:none;
  display:flex;align-items:center;gap:10px;
  max-width:min(92vw,460px);
  padding:12px 20px;border-radius:999px;
  background:rgba(20,22,15,.94);color:#F3F2E9;
  font-size:13px;line-height:1.5;
  box-shadow:0 20px 40px -20px rgba(0,0,0,.5);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:opacity .3s var(--ease),transform .4s var(--ease);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}
.toast::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#8FD08A;flex:0 0 auto;
}

/* --------------------------------------------------------------------------
   Motion
   -------------------------------------------------------------------------- */
.anim{animation:riseIn .9s var(--ease) both;animation-delay:var(--d,0s)}

[data-reveal]{
  opacity:0;transform:translateY(26px);
  transition:opacity .85s var(--ease),transform .85s var(--ease);
  transition-delay:var(--rd,0s);
}
[data-reveal].is-in{opacity:1;transform:none}

@keyframes riseIn{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:none}
}
@keyframes fadeDown{
  from{opacity:0;transform:translateY(-10px)}
  to{opacity:1;transform:none}
}
@keyframes drift{
  0%{transform:translate3d(0,24px,0) rotate(0deg);opacity:0}
  12%{opacity:var(--o)}
  82%{opacity:var(--o)}
  100%{transform:translate3d(14px,-150px,0) rotate(170deg);opacity:0}
}
@keyframes dotPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(78,154,84,.18)}
  50%{box-shadow:0 0 0 6px rgba(78,154,84,.05)}
}
@keyframes isoFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-14px)}
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width:1180px){
  .iso{right:-46px;width:300px;opacity:.85}
}

@media (max-width:1024px){
  .nav__links{gap:22px}
  .nav__qq{display:none}
  .hero__main{min-height:auto;padding-top:16px}
  .hero__title{font-size:clamp(46px,7.6vw,80px)}
  .features{grid-template-columns:repeat(2,1fr)}
  .stats li{padding-bottom:36px}
}

@media (max-width:900px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__qq{display:none}

  .hero{padding-top:112px}
  .hero__main{grid-template-columns:1fr;gap:36px}
  .hero__visual{min-height:0;justify-content:flex-start}
  .iso{display:none}
  .join-card{max-width:100%}
  .hero__desc{max-width:56ch}
  .stats{grid-template-columns:1fr 1fr;margin-top:48px}
  .stats li{padding:22px 0 28px;border-right:0;border-bottom:1px solid var(--line)}
  .stats li+li{padding-left:0}
  .stats li:nth-child(odd){border-right:1px solid var(--line);padding-right:20px}
  .stats li:nth-child(even){padding-left:24px}
  .stats li:nth-last-child(-n+2){border-bottom:0}

  .section-head{grid-template-columns:1fr;gap:22px;align-items:start}
  .lead{max-width:62ch}
  .map-head{grid-template-columns:1fr;gap:22px;align-items:start}
  .legend{justify-content:flex-start}
  .join-grid{grid-template-columns:1fr}
  .group-card{position:static}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .footer__top{grid-template-columns:1fr;gap:36px}
}

@media (max-width:680px){
  .wrap{width:calc(100% - 40px)}
  .nav__inner{height:70px}
  .nav.is-stuck .nav__inner{height:62px}
  .nav__actions .btn--ghost{display:none}
  .hero{padding-top:98px}
  .hero__title{font-size:clamp(42px,11.6vw,64px);letter-spacing:-.04em}
  .hero__desc{font-size:15px}
  .hero__cta{gap:10px;margin-top:28px}
  .hero__cta .btn{flex:1 1 100%;min-height:52px}
  .btn__ip{font-size:12px}
  .features{grid-template-columns:1fr}
  .feature{padding:26px 22px 30px}
  .section-title{font-size:clamp(30px,8.4vw,42px)}
  .manifesto p{font-size:clamp(21px,6.4vw,30px)}
  .map{height:clamp(380px,58vh,460px);border-radius:18px}
  .map__hud{padding:7px 10px}
  .map__hud--tr{display:none}
  .map__info{width:calc(100% - 32px);left:16px;right:16px;bottom:16px;padding:14px 16px 16px}
  .map__hint{display:none}
  .map__controls{top:12px;right:12px;bottom:auto;flex-direction:column}
  .map-btn{width:36px;height:36px}
  .map-btn--wide{height:36px}
  .map-foot{font-size:11px;line-height:1.6}
  .rules ul{grid-template-columns:1fr}
  .faq__q{font-size:14.5px;padding:19px 0;gap:16px}
  .faq__a-inner p{padding-right:8px;font-size:13.5px}
  .footer__cols{gap:16px}
  .footer__bottom{font-size:11px}
  .toast{font-size:12px;padding:11px 16px;bottom:20px}
}

@media (max-width:420px){
  .row__k{flex-basis:74px;font-size:12px}
  .row__v{font-size:13px}
  .row__hint{display:none}
  .btn__ip{display:none}
  .group-card{padding:28px 22px 22px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}