/* ============================================================
   SAFIVE — One System
   Shared stylesheet for the corporate site (RU / EN / UZ)
   Brand system is fixed: see brief §3. Do not alter palette,
   fonts, tagline or concept.
   ============================================================ */

:root{
  /* ---- palette (locked) ---- */
  --royal:#0C5A3A;          /* Royal Green — primary */
  --emerald:#1E8A5A;        /* Emerald — accents / buttons / active */
  --dark:#0B1F17;           /* Dark Green — dark surfaces */
  --ink:#10221A;            /* Ink — text / dark */
  --paper:#F7F6F2;          /* Warm White — light surfaces */

  /* ---- derived tones ---- */
  --paper-2:#EFEDE5;
  --dark-2:#0E2A1F;
  --emerald-soft:#7FE3B4;   /* brighter emerald for use on dark grounds */

  --line:rgba(16,34,26,.14);
  --line-soft:rgba(16,34,26,.08);
  --muted:rgba(16,34,26,.60);
  --muted-2:rgba(16,34,26,.46);

  --line-d:rgba(247,246,242,.16);
  --line-d-soft:rgba(247,246,242,.09);
  --muted-d:rgba(247,246,242,.64);
  --muted-d-2:rgba(247,246,242,.48);

  /* ---- type ---- */
  --sans:'Libre Franklin',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'Space Mono',ui-monospace,'SFMono-Regular',monospace;

  /* ---- metrics ---- */
  --maxw:1200px;
  --gut:clamp(20px,5vw,64px);
  --header-h:68px;
  --radius:3px;
}

/* ============================================================
   RESET
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--emerald);color:#04130c;}

/* ============================================================
   TYPE ATOMS
   ============================================================ */
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.04;text-wrap:balance;}
p{text-wrap:pretty;}

.kicker{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;align-items:center;gap:12px;
}
.kicker .num{color:var(--royal);font-weight:700;}
.kicker .bar{width:42px;height:1px;background:var(--line);}
.on-dark .kicker,.kicker.on-dark{color:var(--muted-d);}
.on-dark .kicker .num,.kicker.on-dark .num{color:var(--emerald-soft);}
.on-dark .kicker .bar,.kicker.on-dark .bar{background:var(--line-d);}

.mono{font-family:var(--mono);}
.tag{          /* mono code chip, e.g. CN → CA */
  font-family:var(--mono);
  font-size:13px;letter-spacing:.08em;
  color:var(--royal);font-weight:700;
}
.on-dark .tag{color:var(--emerald-soft);}

/* ============================================================
   LAYOUT
   ============================================================ */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);}

section{position:relative;}
.section{padding-block:clamp(56px,9vw,118px);}
.section--tight{padding-block:clamp(44px,6vw,76px);}

.surface-dark{background:var(--dark);color:var(--paper);}
.surface-dark h1,.surface-dark h2,.surface-dark h3{color:var(--paper);}
.surface-ink{background:var(--ink);color:var(--paper);}
.surface-light{background:var(--paper);color:var(--ink);}
.surface-light-2{background:var(--paper-2);color:var(--ink);}

/* faint engineering grid for dark grounds */
.gridtex{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--line-d-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-d-soft) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 100% at 85% 0%,#000 0%,transparent 72%);
          mask-image:radial-gradient(120% 100% at 85% 0%,#000 0%,transparent 72%);
}
.surface-dark .container,.surface-ink .container,.cta-band .container{position:relative;z-index:1;}

/* oversized watermark interlock that bleeds off an edge */
.watermark{
  position:absolute;pointer-events:none;color:var(--emerald);opacity:.06;z-index:0;
  width:min(560px,60vw);height:auto;
}

/* ============================================================
   THE MARK + WORDMARK
   ============================================================ */
.mark{display:block;}
.wordmark{font-weight:800;letter-spacing:.05em;line-height:1;}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,31,23,.90);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-d);
  color:var(--paper);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--paper);}
.brand .mark{width:30px;height:30px;color:var(--emerald-soft);}
.brand .wordmark{font-size:20px;color:var(--paper);}

.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  font-size:14px;font-weight:600;letter-spacing:.01em;
  color:var(--muted-d);padding:9px 13px;border-radius:var(--radius);
  transition:color .16s ease,background .16s ease;white-space:nowrap;
}
.nav a:hover{color:var(--paper);background:rgba(247,246,242,.06);}
.nav a[aria-current="page"]{color:var(--paper);}
.nav a[aria-current="page"]::after{
  content:"";display:block;height:2px;margin-top:5px;border-radius:2px;
  background:var(--emerald);
}

.header-right{display:flex;align-items:center;gap:18px;}

/* language switch */
.langswitch{display:flex;align-items:center;gap:2px;
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;}
.langswitch a{
  color:var(--muted-d-2);padding:5px 7px;border-radius:var(--radius);
  text-transform:uppercase;transition:color .15s ease;
}
.langswitch a:hover{color:var(--paper);}
.langswitch a[aria-current="true"]{color:var(--emerald-soft);font-weight:700;}
.langswitch .sep{color:var(--line-d);}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line-d);
  background:transparent;border-radius:var(--radius);
  align-items:center;justify-content:center;color:var(--paper);
}
.nav-toggle svg{width:20px;height:20px;}

/* mobile drawer */
.mobile-nav{
  display:none;position:fixed;inset:var(--header-h) 0 0;z-index:99;
  background:var(--dark);padding:24px var(--gut) 40px;
  flex-direction:column;gap:4px;
  border-top:1px solid var(--line-d);
  overflow-y:auto;
}
.mobile-nav.open{display:flex;}
.mobile-nav a{
  font-size:20px;font-weight:700;color:var(--paper);
  padding:16px 4px;border-bottom:1px solid var(--line-d-soft);
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-nav a[aria-current="page"]{color:var(--emerald-soft);}
.mobile-nav a svg{width:20px;height:20px;flex:none;color:var(--muted-d);}
.mobile-nav .m-lang{
  display:flex;gap:8px;margin-top:24px;font-family:var(--mono);
}
.mobile-nav .m-lang a{
  border:1px solid var(--line-d);border-bottom:1px solid var(--line-d);
  font-size:14px;padding:10px 18px;border-radius:var(--radius);flex:1;justify-content:center;
}
.mobile-nav .m-lang a[aria-current="true"]{background:var(--emerald);color:#04130c;border-color:var(--emerald);}
body.nav-open{overflow:hidden;}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:15px;letter-spacing:.005em;
  padding:14px 22px;border-radius:var(--radius);border:1px solid transparent;
  transition:transform .14s ease,background .16s ease,border-color .16s ease,color .16s ease;
  white-space:nowrap;line-height:1;
}
.btn svg{width:18px;height:18px;flex:none;}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--emerald);color:#04130c;}
.btn--primary:hover{background:#23a169;}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--royal);color:var(--royal);}
.on-dark .btn--ghost,.surface-dark .btn--ghost,.cta-band .btn--ghost{
  color:var(--paper);border-color:var(--line-d);
}
.on-dark .btn--ghost:hover,.surface-dark .btn--ghost:hover,.cta-band .btn--ghost:hover{
  border-color:var(--emerald-soft);color:var(--emerald-soft);
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ============================================================
   HERO
   ============================================================ */
.hero{background:var(--dark);color:var(--paper);overflow:hidden;}
.hero .container{position:relative;z-index:1;
  padding-block:clamp(64px,11vw,140px);}
.hero-kicker{margin-bottom:26px;}
.hero h1{
  font-size:clamp(34px,6.4vw,68px);
  max-width:18ch;margin-bottom:26px;
}
.hero .lede{
  font-size:clamp(16px,2.1vw,20px);color:var(--muted-d);
  max-width:54ch;line-height:1.62;margin-bottom:30px;font-weight:400;
}
.hero .tagline{
  display:inline-flex;align-items:center;gap:14px;margin-bottom:38px;
}
.hero .tagline .tick{width:30px;height:2px;background:var(--emerald);flex:none;}
.hero .tagline .t{
  font-family:var(--mono);font-size:clamp(12px,1.7vw,15px);
  letter-spacing:.16em;text-transform:uppercase;color:var(--paper);
}
.hero .tagline .t .dim{color:var(--muted-d);}
.hero .watermark{right:-80px;bottom:-120px;opacity:.07;}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.sec-head{margin-bottom:clamp(32px,5vw,56px);max-width:62ch;}
.sec-head .kicker{margin-bottom:20px;}
.sec-head h2{font-size:clamp(26px,4.2vw,46px);margin-bottom:18px;}
.sec-head .lede{font-size:clamp(15px,1.9vw,18px);color:var(--muted);line-height:1.62;}
.on-dark .sec-head .lede,.surface-dark .sec-head .lede{color:var(--muted-d);}

/* ============================================================
   MANIFEST (triple negation)
   ============================================================ */
.manifest{text-align:left;}
.manifest .triad{
  font-weight:800;letter-spacing:-.02em;line-height:1.08;
  font-size:clamp(26px,5vw,54px);
}
.manifest .triad .sep{color:var(--emerald-soft);}
.manifest p{
  margin-top:26px;max-width:56ch;font-size:clamp(15px,1.9vw,18px);
  color:var(--muted-d);line-height:1.64;
}

/* ============================================================
   SERVICE CHAIN (cards)
   ============================================================ */
.chain{display:grid;gap:18px;}
.chain.cols-preview{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));}
.svc{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 26px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .18s ease,transform .18s ease;
}
.surface-light-2 .svc{background:#fff;}
.svc:hover{border-color:var(--emerald);transform:translateY(-3px);}
.svc .svc-no{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--emerald);
}
.svc .svc-ico{width:34px;height:34px;color:var(--royal);}
.svc h3{font-size:clamp(18px,2.4vw,22px);}
.svc p{font-size:14.5px;color:var(--muted);line-height:1.62;}
.svc .svc-link{
  margin-top:auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--royal);font-weight:700;
  display:inline-flex;align-items:center;gap:8px;
}
.svc .svc-link svg{width:14px;height:14px;}

/* full chain (services page) — numbered rows */
.chain-full{display:flex;flex-direction:column;}
.chain-step{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,52px);
  padding:clamp(28px,4vw,44px) 0;border-top:1px solid var(--line);
  align-items:start;
}
.chain-step:last-child{border-bottom:1px solid var(--line);}
.chain-step .cs-rail{display:flex;flex-direction:column;align-items:center;gap:14px;}
.chain-step .cs-no{
  font-family:var(--mono);font-size:13px;font-weight:700;color:#04130c;
  background:var(--emerald);width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.chain-step .cs-ico{width:30px;height:30px;color:var(--royal);}
.chain-step h3{font-size:clamp(21px,3vw,30px);margin-bottom:14px;}
.chain-step .cs-body{font-size:clamp(15px,1.8vw,17px);color:var(--muted);max-width:60ch;line-height:1.64;}
.chain-step .cs-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* small mono pill */
.pill{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--royal);border:1px solid var(--line);border-radius:100px;
  padding:6px 12px;background:var(--paper);
}
.on-dark .pill,.surface-dark .pill{color:var(--emerald-soft);border-color:var(--line-d);background:transparent;}

/* ============================================================
   CORRIDORS
   ============================================================ */
.corridors{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.corridor{
  border:1px solid var(--line-d);border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .18s ease,background .18s ease;
}
.corridor:hover{border-color:var(--emerald);background:rgba(247,246,242,.03);}
.corridor .code{
  font-family:var(--mono);font-size:clamp(18px,2.6vw,24px);font-weight:700;
  letter-spacing:.04em;color:var(--emerald-soft);
}
.corridor h3{font-size:18px;color:var(--paper);}
.corridor p{font-size:14px;color:var(--muted-d);line-height:1.6;}
.corridor.extra{border-style:dashed;}

/* corridor schematic (routes page) */
.route-map{
  border:1px solid var(--line-d);border-radius:var(--radius);
  padding:clamp(24px,4vw,40px);background:var(--dark-2);
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.steps{display:grid;gap:0;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));counter-reset:step;}
.step{
  position:relative;padding:26px 24px 30px;border:1px solid var(--line);
  margin:-0.5px;display:flex;flex-direction:column;gap:12px;background:var(--paper);
}
.surface-light-2 .step{background:#fff;}
.step .step-no{
  font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--emerald);
}
.step h3{font-size:18px;}
.step p{font-size:14px;color:var(--muted);line-height:1.6;}

/* big vertical process (process page) */
.flow{display:flex;flex-direction:column;}
.flow-step{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,46px);
  padding:clamp(26px,3.6vw,40px) 0;border-top:1px solid var(--line);align-items:start;
}
.flow-step:last-child{border-bottom:1px solid var(--line);}
.flow-step .fs-no{
  font-family:var(--mono);font-weight:700;font-size:clamp(28px,5vw,56px);
  color:var(--line);line-height:.9;letter-spacing:-.02em;min-width:2ch;
}
.flow-step h3{font-size:clamp(20px,2.8vw,28px);margin-bottom:12px;}
.flow-step p{font-size:clamp(15px,1.8vw,17px);color:var(--muted);max-width:58ch;line-height:1.62;}

/* ============================================================
   PORTFOLIO
   ============================================================ */
.cases{display:grid;gap:clamp(22px,3vw,32px);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.case{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease;
}
.case:hover{transform:translateY(-4px);box-shadow:0 22px 48px -28px rgba(11,31,23,.5);}
.case .ph{
  aspect-ratio:16/10;position:relative;overflow:hidden;background:var(--paper-2);
  border-bottom:1px solid var(--line);
}
.case .ph img{width:100%;height:100%;object-fit:cover;}
/* striped placeholder shown behind the image until the client drops a real photo */
.case .ph::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    repeating-linear-gradient(135deg,var(--paper-2) 0 13px,#e7e4da 13px 26px);
}
.case .ph .ph-lab{
  position:absolute;left:14px;bottom:12px;z-index:1;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);background:rgba(247,246,242,.78);padding:5px 9px;border-radius:2px;
}
.case .ph img{position:relative;z-index:2;}
.case .c-body{padding:26px 24px 28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.case .c-ind{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--emerald);font-weight:700;
}
.case h3{font-size:clamp(19px,2.3vw,23px);line-height:1.12;}
.case p{font-size:14.5px;color:var(--muted);line-height:1.64;}
.case .c-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:6px;}
.case .c-tags .pill{font-size:10px;padding:5px 10px;}

/* route schematic strip (routes page) */
.route-rows{display:flex;flex-direction:column;gap:0;}
.route-row{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  padding:18px 0;border-top:1px solid var(--line-d);
}
.route-row:last-child{border-bottom:1px solid var(--line-d);}
.route-row .rr-end{font-weight:700;font-size:clamp(15px,2vw,19px);color:var(--paper);}
.route-row .rr-end.to{text-align:right;}
.route-row .rr-mid{display:flex;flex-direction:column;align-items:center;gap:7px;min-width:120px;}
.route-row .rr-code{
  font-family:var(--mono);font-weight:700;font-size:clamp(13px,1.8vw,16px);
  letter-spacing:.06em;color:var(--emerald-soft);white-space:nowrap;
}
.route-row .rr-track{position:relative;width:100%;height:2px;background:var(--line-d);}
.route-row .rr-track::before,.route-row .rr-track::after{
  content:"";position:absolute;top:50%;width:7px;height:7px;border-radius:50%;
  background:var(--emerald);transform:translateY(-50%);
}
.route-row .rr-track::before{left:0;}
.route-row .rr-track::after{right:0;}
@media (max-width:600px){
  .route-row{grid-template-columns:1fr;gap:8px;text-align:center;}
  .route-row .rr-end,.route-row .rr-end.to{text-align:center;}
  .route-row .rr-track{max-width:160px;margin:4px auto;}
}

/* skip link visible on focus */
.skip-link:focus{
  position:fixed !important;left:16px !important;top:12px;z-index:200;
  background:var(--emerald);color:#04130c;padding:10px 16px;border-radius:var(--radius);
  font-weight:600;
}
/* hero kicker wrapper */
.hero-kicker .kicker{font-size:13px;}

/* ============================================================
   "WHY US" / FEATURE LIST
   ============================================================ */
.features{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));}
.feature{
  border-top:2px solid var(--emerald);padding-top:18px;
  display:flex;flex-direction:column;gap:8px;
}
.feature h3{font-size:18px;}
.feature p{font-size:14.5px;color:var(--muted);line-height:1.6;}
.on-dark .feature p,.surface-dark .feature p{color:var(--muted-d);}

/* ============================================================
   CTA BAND  (Оставить заявку — two buttons)
   ============================================================ */
.cta-band{background:var(--ink);color:var(--paper);overflow:hidden;}
.cta-band .container{position:relative;z-index:1;
  padding-block:clamp(48px,7vw,92px);}
.cta-band h2{font-size:clamp(24px,3.8vw,42px);max-width:24ch;margin-bottom:16px;}
.cta-band p{color:var(--muted-d);max-width:56ch;font-size:clamp(15px,1.8vw,18px);margin-bottom:30px;}
.cta-band .watermark{right:-60px;top:-80px;opacity:.06;}

/* inline request block (reusable) */
.request{
  border:1px solid var(--line-d);border-radius:var(--radius);
  padding:clamp(24px,3.5vw,38px);background:rgba(247,246,242,.02);
}
.request .kicker{margin-bottom:14px;}
.request h3{font-size:clamp(20px,2.6vw,28px);color:var(--paper);margin-bottom:10px;}
.request p{color:var(--muted-d);margin-bottom:22px;max-width:52ch;}

/* ============================================================
   CONTACTS
   ============================================================ */
.contact-grid{display:grid;gap:clamp(20px,3vw,28px);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.ccard{
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;background:#fff;
  display:flex;flex-direction:column;gap:10px;
}
.ccard .c-lab{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
}
.ccard .c-val{font-size:clamp(17px,2vw,21px);font-weight:600;letter-spacing:-.01em;}
.ccard .c-val a:hover{color:var(--royal);}
.ccard .c-sub{font-size:13.5px;color:var(--muted);line-height:1.55;}
.ccard.todo{border-style:dashed;}
.ccard.todo .c-val{color:var(--muted-2);}
.slot{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--emerald);
  border:1px dashed var(--emerald);border-radius:2px;padding:4px 9px;display:inline-block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--dark);color:var(--paper);padding-block:clamp(48px,6vw,76px);}
.footer-top{
  display:grid;gap:clamp(28px,4vw,48px);
  grid-template-columns:1.4fr 1fr 1fr;align-items:start;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .tagline{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted-d);line-height:1.7;max-width:30ch;
}
.fcol h4{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted-d-2);font-weight:700;margin-bottom:16px;
}
.fcol a,.fcol .fitem{
  display:block;font-size:14.5px;color:var(--muted-d);padding:6px 0;
  transition:color .15s ease;
}
.fcol a:hover{color:var(--paper);}
.footer-bottom{
  margin-top:clamp(32px,4vw,52px);padding-top:24px;border-top:1px solid var(--line-d);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted-d-2);
}
.footer-bottom .triad-mini{color:var(--muted-d);}

/* ============================================================
   FLOATING BOT BUTTON
   ============================================================ */
.fab{
  position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--emerald);color:#04130c;font-weight:700;font-size:14px;
  padding:14px 20px;border-radius:100px;
  box-shadow:0 14px 34px -10px rgba(11,31,23,.6);
  transition:transform .16s ease,background .16s ease;
}
.fab:hover{transform:translateY(-2px);background:#23a169;}
.fab svg{width:20px;height:20px;}
.fab .fab-txt{}
@media (max-width:560px){
  .fab{padding:14px;}
  .fab .fab-txt{display:none;}
}

/* ============================================================
   GENERIC GRID / UTIL
   ============================================================ */
.split{display:grid;gap:clamp(28px,5vw,64px);grid-template-columns:1fr 1fr;align-items:start;}
.stat-line{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,48px);margin-top:8px;}
.lede-block{max-width:64ch;font-size:clamp(16px,2vw,20px);line-height:1.62;color:var(--muted);}
.on-dark .lede-block,.surface-dark .lede-block{color:var(--muted-d);}
.prose p{margin-bottom:18px;font-size:clamp(15px,1.8vw,17px);line-height:1.7;color:var(--muted);max-width:64ch;}
.on-dark .prose p,.surface-dark .prose p{color:var(--muted-d);}
.mt-s{margin-top:18px;}.mt-m{margin-top:32px;}.mt-l{margin-top:48px;}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1180px){
  .nav,.langswitch{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .split{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .chain-step{grid-template-columns:1fr;gap:16px;}
  .chain-step .cs-rail{flex-direction:row;align-items:center;}
  .flow-step{grid-template-columns:1fr;gap:8px;}
  .flow-step .fs-no{font-size:34px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* reduce-motion */
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important;}
}