/* ============================================================
   TAUTISS — design system
   Palette locked to brand: ink #0a0a0f · signal #00c2ff · paper #e8e8ec
   Type: Archivo (variable width) display · IBM Plex Mono annotations
   ============================================================ */

:root{
  --ink:#0a0a0f;
  --panel:#10131b;
  --panel-2:#141926;
  --line:rgba(148,177,205,.13);
  --line-strong:rgba(148,177,205,.28);
  --signal:#00c2ff;
  --signal-dim:rgba(0,194,255,.55);
  --wash:rgba(0,194,255,.05);
  --paper:#e8e8ec;
  --slate:#9aa3b5;
  --slate-2:#7d8395;
  --err:#ff6b6b;
  --fd:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --fm:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --max:1140px;
  --gutter:clamp(20px,4.5vw,44px);
  --nav-h:70px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 24px)}
body{
  font-family:var(--fd);
  font-size:16.5px;
  background:var(--ink);
  color:var(--slate);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--signal);color:var(--ink)}

img,svg{display:block;max-width:100%}
a{color:inherit}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* ---- type roles ---- */
h1,h2,h3{color:var(--paper);font-weight:600;line-height:1.12;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);font-stretch:118%}
h2{font-size:clamp(1.55rem,3.4vw,2.35rem);font-stretch:118%}
h3{font-size:1.12rem;font-stretch:112%;font-weight:600}
.lede{font-size:clamp(1.02rem,1.6vw,1.16rem);color:var(--slate);max-width:56ch}
strong{color:var(--paper);font-weight:600}

.mono{font-family:var(--fm);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-2)}
.mono-lg{font-family:var(--fm);font-size:.8rem;letter-spacing:.08em}

/* sheet tab — the drawing-set eyebrow above each section title */
.sheet{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.sheet .ref{font-family:var(--fm);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--signal)}
.sheet .rule{flex:0 0 44px;height:1px;background:var(--line-strong)}
.sheet .lbl{font-family:var(--fm);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-2)}

/* ---- nav ---- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);
  background:rgba(10,10,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.wordmark{font-family:var(--fd);font-stretch:115%;font-weight:700;font-size:1.4rem;
  color:var(--paper);text-decoration:none;letter-spacing:-.02em;line-height:1}
.wordmark span{color:var(--signal)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{font-family:var(--fm);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);text-decoration:none;padding:6px 0;border-bottom:1px solid transparent;
  transition:color .18s,border-color .18s}
.nav-links a:hover{color:var(--paper);border-color:var(--signal)}
.nav-links a[aria-current="page"]{color:var(--paper);border-color:var(--signal)}
.nav-cta{margin-left:6px}
.nav-links a.nav-cta,
.nav-links a.nav-cta:hover,
.nav-links a.nav-cta[aria-current="page"]{
  color:var(--ink);
  border:1px solid var(--signal);
  padding:10px 16px;
  border-radius:3px}
.nav-links a.nav-cta:hover{background:#33d1ff;border-color:#33d1ff}

.menu-btn{display:none;background:none;border:1px solid var(--line-strong);border-radius:3px;
  width:44px;height:40px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.menu-btn span{width:18px;height:1.5px;background:var(--paper);display:block;transition:transform .25s,opacity .2s}

/* mobile menu */
.m-menu{position:fixed;inset:var(--nav-h) 0 0 0;z-index:99;background:var(--ink);
  padding:34px var(--gutter);display:none;flex-direction:column;gap:6px;overflow-y:auto}
.m-menu a{font-family:var(--fd);font-stretch:116%;font-weight:600;font-size:1.5rem;color:var(--paper);
  text-decoration:none;padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:baseline}
.m-menu a .mono{font-size:.62rem}
.m-menu .m-contact{margin-top:26px;display:flex;flex-direction:column;gap:10px;border:0}
body.menu-open{overflow:hidden}
body.menu-open .m-menu{display:flex}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---- buttons ---- */
.btn{display:inline-block;font-family:var(--fm);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  background:var(--signal);color:var(--ink);text-decoration:none;border:1px solid var(--signal);
  padding:13px 22px;border-radius:3px;cursor:pointer;transition:background .18s,color .18s;font-weight:500}
.btn:hover{background:#33d1ff;border-color:#33d1ff}
.btn-ghost{background:transparent;color:var(--paper);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:rgba(148,177,205,.06);border-color:var(--slate);color:var(--paper)}
:where(a,button,input,select,textarea,summary):focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px}

/* ---- sections ---- */
.sec{padding:clamp(72px,10vw,110px) 0;border-top:1px solid var(--line)}
.sec-tight{padding:clamp(52px,7vw,72px) 0}
.sec-head{max-width:62ch;margin-bottom:clamp(34px,5vw,54px)}
.sec-head p{margin-top:14px}

/* ---- hero ---- */
.hero{position:relative;padding:calc(var(--nav-h) + clamp(48px,8vw,92px)) 0 clamp(56px,8vw,88px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(148,177,205,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(148,177,205,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 80% at 70% 10%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 70% 10%,#000 30%,transparent 75%)}
.hero::after{content:"";position:absolute;top:-220px;right:-160px;width:640px;height:640px;pointer-events:none;
  background:radial-gradient(circle,var(--wash),transparent 62%)}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(36px,6vw,72px);align-items:center}
.hero-copy .mono-strap{font-family:var(--fm);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--signal);margin-bottom:22px;display:flex;align-items:center;gap:12px}
.hero-copy .mono-strap::before{content:"";width:26px;height:1px;background:var(--signal)}
.hero-copy h1{margin-bottom:22px}
.hero-copy .lede{margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.hero-meta div{font-family:var(--fm);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-2)}
.hero-meta b{display:block;color:var(--paper);font-weight:500;margin-bottom:3px;letter-spacing:.06em}
.hero-fig{position:relative}
.fig-cap{margin-top:14px;display:flex;justify-content:space-between;gap:16px;
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate-2)}

/* page hero (inner pages) */
.p-hero{position:relative;padding:calc(var(--nav-h) + clamp(44px,7vw,76px)) 0 clamp(44px,6vw,64px);border-bottom:1px solid var(--line)}
.p-hero .crumb{font-family:var(--fm);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-2);margin-bottom:20px}
.p-hero .crumb a{color:var(--slate-2);text-decoration:none}
.p-hero .crumb a:hover{color:var(--signal)}
.p-hero h1{max-width:22ch;margin-bottom:18px}
.p-hero .lede{max-width:60ch}
.p-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(36px,6vw,72px);align-items:center}

/* ---- drawing index (services as sheet list, not cards) ---- */
.idx{border-top:1px solid var(--line-strong)}
.idx a{display:grid;grid-template-columns:74px minmax(0,.85fr) minmax(0,1.15fr) 30px;gap:20px;align-items:baseline;
  padding:27px 0;border-bottom:1px solid var(--line);text-decoration:none;position:relative;transition:padding .22s}
.idx a::before{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--signal);transition:width .3s}
.idx a:hover::before{width:100%}
.idx a:hover{padding-left:8px}
.idx .no{font-family:var(--fm);font-size:.72rem;letter-spacing:.14em;color:var(--slate-2)}
.idx .ti{font-family:var(--fd);font-stretch:114%;font-weight:600;font-size:clamp(1.15rem,2.4vw,1.5rem);color:var(--paper);transition:color .18s}
.idx a:hover .ti{color:var(--signal)}
.idx .sc{font-size:.92rem;color:var(--slate);line-height:1.55}
.idx .ar{font-family:var(--fm);color:var(--slate-2);font-size:.95rem;justify-self:end;transition:transform .22s,color .18s}
.idx a:hover .ar{transform:translateX(5px);color:var(--signal)}

/* ---- spec table (mono key/value) ---- */
.spec{border-top:1px solid var(--line-strong);font-family:var(--fm)}
.spec-row{display:grid;grid-template-columns:minmax(120px,.42fr) 1fr;gap:18px;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:.78rem;line-height:1.55}
.spec-row .k{letter-spacing:.12em;text-transform:uppercase;color:var(--slate-2);font-size:.68rem;padding-top:2px}
.spec-row .v{color:var(--paper)}
.spec-row .v em{color:var(--slate);font-style:normal}

/* ---- panels / figures ---- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:clamp(22px,3.4vw,34px)}
.panel .mono{display:block;margin-bottom:14px}
.fig-frame{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:clamp(16px,2.6vw,26px);position:relative}
.fig-frame .corner{position:absolute;width:9px;height:9px;border-color:var(--signal-dim);border-style:solid;border-width:0}
.fig-frame .c-tl{top:-1px;left:-1px;border-top-width:1.5px;border-left-width:1.5px}
.fig-frame .c-tr{top:-1px;right:-1px;border-top-width:1.5px;border-right-width:1.5px}
.fig-frame .c-bl{bottom:-1px;left:-1px;border-bottom-width:1.5px;border-left-width:1.5px}
.fig-frame .c-br{bottom:-1px;right:-1px;border-bottom-width:1.5px;border-right-width:1.5px}

/* two-column feature */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(36px,6vw,80px);align-items:center}
.split .sheet{margin-bottom:16px}
.split h2{margin-bottom:18px}
.split p + p{margin-top:14px}
.split .btn,.split .btn-ghost{margin-top:28px}

/* trades strip */
.trades{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-top:34px}
.trade{background:var(--panel);padding:24px 22px}
.trade .mono{display:block;color:var(--signal);margin-bottom:10px}
.trade p{font-size:.88rem;line-height:1.6}

/* equipment schedule — signal chain + marquee */
.sched-note{margin-top:14px;font-size:.8rem;color:var(--slate-2)}
.pfiles.duo{grid-template-columns:1fr 1fr}
@media (max-width:640px){.pfiles.duo{grid-template-columns:1fr}}
.btabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.btab{font-family:var(--fm);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);
  background:#141926;border:1px solid var(--line-strong);border-radius:3px;padding:10px 15px;cursor:pointer;
  transition:color .18s,border-color .18s}
.btab:hover{border-color:var(--signal)}
.btab.active{color:var(--signal);border-color:var(--signal)}
.chain{display:flex;align-items:stretch;flex-wrap:wrap;row-gap:30px;min-height:132px}
.stage{flex:1 1 0;min-width:150px;border:1px solid var(--line);background:var(--panel);border-radius:4px;
  padding:15px 16px;position:relative;opacity:0;transform:translateY(9px);transition:opacity .45s,transform .45s}
.chain.show .stage{opacity:1;transform:none}
.chain.show .stage:nth-child(2){transition-delay:.08s}
.chain.show .stage:nth-child(3){transition-delay:.16s}
.chain.show .stage:nth-child(4){transition-delay:.24s}
.chain.show .stage:nth-child(5){transition-delay:.32s}
.stage + .stage{margin-left:34px}
.stage + .stage::before{content:"\2192";position:absolute;left:-27px;top:50%;transform:translateY(-50%);
  font-family:var(--fm);color:var(--signal);font-size:.95rem}
.stage .role{display:block;font-family:var(--fm);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--signal);margin-bottom:10px}
.tagset{display:flex;flex-wrap:wrap;gap:6px}
.tagset span{font-family:var(--fm);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--paper);
  background:#10141d;border:1px solid var(--line);border-radius:3px;padding:6px 9px;white-space:nowrap}
.mq{overflow:hidden;border:1px solid var(--line);border-radius:4px;background:var(--panel);position:relative;margin-top:30px}
.mq::before,.mq::after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:1;pointer-events:none}
.mq::before{left:0;background:linear-gradient(90deg,var(--panel),transparent)}
.mq::after{right:0;background:linear-gradient(270deg,var(--panel),transparent)}
.mq-track{display:flex;width:max-content;animation:mqscroll 46s linear infinite}
.mq:hover .mq-track{animation-play-state:paused}
.mq-track span{font-family:var(--fm);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);
  padding:15px 24px;border-left:1px solid var(--line);white-space:nowrap;transition:color .18s}
.mq-track span:hover{color:var(--signal)}
@keyframes mqscroll{to{transform:translateX(-50%)}}
@media (max-width:660px){
  .chain{flex-direction:column}
  .stage{min-width:0}
  .stage + .stage{margin-left:0;margin-top:30px}
  .stage + .stage::before{content:"\2193";left:50%;top:-26px;transform:translateX(-50%)}
}
@media (prefers-reduced-motion:reduce){
  .mq-track{animation:none;flex-wrap:wrap;width:auto}
  .chain .stage{opacity:1;transform:none}
}

/* ---- method (true sequence — numbering earns its place) ---- */
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,3vw,34px);counter-reset:step}
.step{position:relative;padding-top:26px;counter-increment:step}
.step::before{content:"";position:absolute;top:5px;left:0;right:calc(-1 * clamp(18px,3vw,34px));height:1px;background:var(--line-strong)}
.step:last-child::before{right:0}
.step::after{content:"";position:absolute;top:1px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--ink);border:1.5px solid var(--signal)}
.step h3{font-size:.98rem;margin-bottom:8px;display:flex;gap:10px;align-items:baseline}
.step h3 i{font-style:normal;font-family:var(--fm);font-weight:400;font-size:.68rem;letter-spacing:.12em;color:var(--signal)}
.step h3 i::before{content:"0" counter(step)}
.step p{font-size:.88rem;line-height:1.62}

/* deliverables (documentation list) */
.docs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.doc{background:var(--panel);padding:22px;display:flex;gap:16px;align-items:flex-start}
.doc .ic{flex:0 0 auto;width:34px;height:34px;border:1px solid var(--line-strong);border-radius:3px;
  display:grid;place-items:center;color:var(--signal)}
.doc h3{font-size:.95rem;margin-bottom:5px}
.doc p{font-size:.85rem;line-height:1.6}

/* ---- project cards / files ---- */
.pfiles{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,26px)}
.pfile{background:var(--panel);border:1px solid var(--line);border-radius:4px;text-decoration:none;
  display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.pfile:hover{border-color:var(--signal-dim);transform:translateY(-3px)}
.pfile .pf-top{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.pfile .pf-top .mono{margin:0}
.pfile .pf-top .dot{width:7px;height:7px;border-radius:50%;background:var(--signal)}
.pfile .pf-body{padding:22px;flex:1}
.pfile h3,.pfile h2{margin-bottom:10px;transition:color .18s}
.pfile:hover h3,.pfile:hover h2{color:var(--signal)}
.pfile .pf-body p{font-size:.88rem;line-height:1.6}
.pfile .pf-foot{padding:16px 22px;border-top:1px solid var(--line);
  font-family:var(--fm);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate-2);
  display:flex;justify-content:space-between}

/* project detail title block (drawing title-block motif) */
.tblock{border:1px solid var(--line-strong);border-radius:4px;overflow:hidden;margin:34px 0 0}
.tblock .row{display:grid;grid-template-columns:150px 1fr;border-top:1px solid var(--line)}
.tblock .row:first-child{border-top:0}
.tblock .k{font-family:var(--fm);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-2);
  padding:13px 16px;border-right:1px solid var(--line);background:var(--panel)}
.tblock .v{padding:12px 16px;font-size:.9rem;color:var(--paper)}

/* prose (case studies, privacy) */
.prose{max-width:70ch}
.prose h2{margin:46px 0 16px;font-size:1.4rem}
.prose h3{margin:30px 0 10px}
.prose p{margin-bottom:15px}
.prose ul{margin:0 0 15px 18px}
.prose li{margin-bottom:7px}
.prose a{color:var(--signal);text-decoration:none;border-bottom:1px solid rgba(0,194,255,.35)}
.prose a:hover{border-color:var(--signal)}

/* faq */
.faq{border-top:1px solid var(--line-strong)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:baseline;
  padding:21px 0;font-family:var(--fd);font-stretch:110%;font-weight:600;color:var(--paper);font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--fm);color:var(--signal);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 21px;max-width:64ch;font-size:.93rem}

/* ---- CTA band ---- */
.cta-band{border-top:1px solid var(--line);background:
  radial-gradient(ellipse 70% 120% at 50% 130%,var(--wash),transparent 70%),var(--ink)}
.cta-in{padding:clamp(72px,10vw,110px) 0;text-align:center}
.cta-in h2{max-width:24ch;margin:0 auto 16px}
.cta-in p{max-width:52ch;margin:0 auto 34px}
.cta-in .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---- contact page ---- */
.c-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.78fr);gap:clamp(36px,6vw,72px);align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--fm);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line-strong);
  border-radius:3px;color:var(--paper);font-family:var(--fd);font-size:.95rem;padding:13px 15px;transition:border-color .18s}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--signal);outline:none}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239aa3b5' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-6000px;top:auto;height:1px;width:1px;overflow:hidden}
.consent{display:flex;gap:11px;align-items:flex-start;margin:6px 0 22px;font-size:.83rem;color:var(--slate)}
.consent input{margin-top:3.5px;accent-color:var(--signal);width:15px;height:15px;flex:0 0 auto}
.consent a{color:var(--signal);text-decoration:none}
#formMsg{margin-top:14px;font-size:.87rem;min-height:1.3em}
#formMsg.ok{color:var(--signal)}
#formMsg.err{color:var(--err)}
.c-direct .spec{margin-top:8px}
.c-direct .spec .v a{color:var(--paper);text-decoration:none}
.c-direct .spec .v a:hover{color:var(--signal)}

/* ---- footer ---- */
footer{border-top:1px solid var(--line);padding:clamp(48px,7vw,66px) 0 36px;background:var(--ink)}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:clamp(26px,4vw,44px);margin-bottom:46px}
.f-brand p{font-size:.86rem;max-width:30ch;margin-top:14px;line-height:1.6}
.f-col h2{font-family:var(--fm);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-2);font-weight:500;margin-bottom:16px}
.f-col a{display:block;color:var(--slate);text-decoration:none;font-size:.88rem;padding:5px 0;transition:color .16s}
.f-col a:hover{color:var(--signal)}
.f-legal{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:.78rem;color:var(--slate-2)}
.f-legal a{color:var(--slate-2);text-decoration:none}
.f-legal a:hover{color:var(--signal)}

/* ---- svg schematic shared ---- */
.schem{width:100%;height:auto}
.schem text{font-family:var(--fm)}
.led{animation:led 2.6s ease-in-out infinite}
@keyframes led{0%,100%{opacity:.25}50%{opacity:1}}
.draw path,.draw rect,.draw line,.draw polyline,.draw circle{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.4s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}

/* reveal on scroll */
[data-r]{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
[data-r].in{opacity:1;transform:none}

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

/* ---- responsive ---- */
@media (max-width:960px){
  .hero-grid,.p-hero-grid{grid-template-columns:1fr}
  .hero-fig{max-width:520px}
  .split{grid-template-columns:1fr;gap:38px}
  .pfiles{grid-template-columns:1fr 1fr}
  .method{grid-template-columns:1fr 1fr;row-gap:38px}
  .step:nth-child(2)::before{right:0}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1020px){
  .nav-links{display:none}
  .menu-btn{display:flex}
}
@media (max-width:660px){
  body{font-size:16px}
  .idx a{grid-template-columns:1fr;gap:7px;padding:22px 0}
  .idx .no{order:-1}
  .idx .ar{display:none}
  .pfiles{grid-template-columns:1fr}
  .docs{grid-template-columns:1fr}
  .trades{grid-template-columns:1fr}
  .method{grid-template-columns:1fr}
  .step::before{display:none}
  .f-row{grid-template-columns:1fr}
  .c-grid{grid-template-columns:1fr}
  .tblock .row{grid-template-columns:118px 1fr}
  .f-grid{grid-template-columns:1fr;gap:30px}
  .spec-row{grid-template-columns:1fr;gap:4px}
}

.pf-body h2{font-size:1.12rem;font-stretch:112%;font-weight:600}