/* ============================================================
   Nexus RTM — landing
   Stage: nav + hero designed, sections 2-9 are wireframe blocks
   No build step. Static, Hostinger-ready.
   ============================================================ */

/* ---------- tokens ---------- */
:root{
  /* dark scale */
  --ink-900:#060B14;
  --ink-800:#0B1220;
  --ink-700:#0F172A;
  --ink-600:#16233A;
  --line-dark:#1E2E47;

  /* light scale */
  --paper:#F8FAFC;
  --paper-2:#FFFFFF;
  --fg:#020617;
  --fg-2:#334155;
  --muted:#64748B;
  --line:#E2E8F0;

  /* accent */
  --accent:#0369A1;        /* on light */
  --accent-br:#38BDF8;     /* on dark  */
  --accent-dim:rgba(56,189,248,.14);

  /* type */
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  /* space */
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px;
  --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;

  --r-sm:6px; --r-md:10px; --r-lg:16px;
  --nav-h:64px;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  color:var(--fg);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.12;letter-spacing:-.022em;margin:0}
p{margin:0}
ul,dl,dd{margin:0;padding:0}
li{list-style:none}
a{color:inherit;text-decoration:none}

:where(a,button,input,select,textarea):focus-visible{
  outline:2px solid var(--accent-br);
  outline-offset:3px;
  border-radius:var(--r-sm);
}

.wrap{width:min(1200px,100% - 2*var(--s-5));margin-inline:auto}
.wrap--narrow{width:min(760px,100% - 2*var(--s-5))}
section[id]{scroll-margin-top:calc(var(--nav-h) + 8px)}

.skip-link{
  position:absolute;left:var(--s-4);top:-60px;z-index:200;
  background:var(--accent-br);color:var(--ink-900);
  padding:10px 16px;border-radius:var(--r-sm);font-weight:600;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:var(--s-3)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:-.01em;
  cursor:pointer;white-space:nowrap;
  transition:background .16s var(--ease),border-color .16s var(--ease),
             transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn--primary{
  background:var(--accent-br);color:var(--ink-900);
  box-shadow:0 1px 0 rgba(255,255,255,.25) inset;
}
.btn--primary:hover{background:#7DD3FC}
.btn--ghost{
  color:#E2E8F0;border-color:rgba(148,163,184,.42);background:rgba(255,255,255,.02);
}
.btn--ghost:hover{border-color:var(--accent-br);color:#fff;background:rgba(56,189,248,.08)}
.btn:active{transform:scale(.98)}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--nav-h);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),backdrop-filter .22s var(--ease);
}
.nav.is-stuck{
  background:rgba(11,18,32,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line-dark);
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}

.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo__mark{color:var(--accent-br);flex:none}
.logo__text{font-size:15px;font-weight:500;letter-spacing:.16em}
.logo__text b{font-weight:700;color:var(--accent-br)}

.nav__links{display:flex;align-items:center;gap:var(--s-6)}
.nav__links a{
  font-size:14.5px;font-weight:500;color:#CBD5E1;
  transition:color .15s var(--ease);
}
.nav__links a:hover{color:#fff}
.nav__cta{color:var(--ink-900)!important;margin-left:var(--s-2)}

.nav__toggle{
  display:none;width:44px;height:44px;padding:11px 10px;
  background:none;border:0;cursor:pointer;flex-direction:column;justify-content:space-between;
}
.nav__toggle span{display:block;height:2px;background:#E2E8F0;border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink-800);
  color:#E2E8F0;
  padding:calc(var(--nav-h) + var(--s-7)) 0 var(--s-7);
  min-height:min(820px,100svh);
  display:flex;align-items:center;
}
.hero__grid-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 65% at 50% 40%,#000 25%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 50% 40%,#000 25%,transparent 78%);
}
.hero__glow{
  position:absolute;z-index:-1;
  width:820px;height:820px;right:-220px;top:-260px;
  background:radial-gradient(circle,rgba(56,189,248,.16) 0%,transparent 62%);
  pointer-events:none;
}
.hero__inner{
  display:grid;
  grid-template-columns:minmax(0,46fr) minmax(0,54fr);
  column-gap:var(--s-8);align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:#7DD3FC;
  padding:7px 13px;border:1px solid rgba(56,189,248,.28);border-radius:999px;
  background:var(--accent-dim);
  margin-bottom:var(--s-5);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.18)}

.hero__title{
  font-size:clamp(2.3rem,4.6vw,3.7rem);
  font-weight:700;color:#fff;letter-spacing:-.035em;
}
.grad{
  background:linear-gradient(96deg,#38BDF8 0%,#818CF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{
  margin-top:var(--s-5);max-width:52ch;
  font-size:clamp(1rem,1.35vw,1.125rem);color:#94A3B8;
}

.chips{display:flex;flex-wrap:wrap;gap:var(--s-2);margin-top:var(--s-6)}
.chip{
  font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:#CBD5E1;
  padding:6px 12px;border:1px solid var(--line-dark);border-radius:var(--r-sm);
  background:rgba(255,255,255,.025);
}

.hero__cta{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-6)}

.proof{
  grid-column:1 / -1;
  display:grid;grid-template-columns:repeat(6,1fr);gap:var(--s-4);
  margin-top:var(--s-7);padding-top:var(--s-5);
  border-top:1px solid var(--line-dark);
}
.proof__item dt{
  font-family:var(--mono);font-size:clamp(14px,1.15vw,17px);font-weight:600;color:#fff;
  letter-spacing:-.01em;white-space:nowrap;
}
.proof__item dd{
  margin-top:2px;font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:#64748B;
}

/* --- simulated controller board --- */
.hero__visual{margin:0}
.board{width:100%;height:auto;filter:drop-shadow(0 24px 48px rgba(0,0,0,.55))}

/* substrate */
.board .pb-board{fill:#0D2438;stroke:#26536F;stroke-width:1.5}
.board .pb-keepout{fill:none;stroke:#38BDF8;stroke-opacity:.1;stroke-dasharray:4 6}
.board .pb-hole-ring{fill:#12304A;stroke:#3B6890;stroke-width:1}
.board .pb-hole{fill:#050A11}
.board .pb-cut{fill:#050A11;stroke:#2B4E72;stroke-width:1}

/* copper */
.board .pb-trace{fill:none;stroke:#B98A34;stroke-opacity:.55;stroke-width:1.2;
  stroke-linecap:round;stroke-linejoin:round}
.board .pb-trace--hv{stroke-width:2.4;stroke-opacity:.7}
.board .pb-trace--pwr{stroke-width:2.2;stroke:#C97A2C;stroke-opacity:.65}
.board .pb-pad{fill:#C9A227;fill-opacity:.85}
.board .pb-via{fill:none;stroke:#B98A34;stroke-opacity:.5;stroke-width:1.2}

/* packages */
.board .pb-ic rect{fill:#141C27;stroke:#33506E;stroke-width:1}
.board .pb-pin{stroke:#8FA3B8;stroke-opacity:.55;stroke-width:1}
.board .pb-dot{fill:#5B7590}
.board .pb-pass{fill:#1C2A3A;stroke:#43607E;stroke-width:.8}
.board .pb-pass--big{fill:#16202C;stroke:#4A6B8A;stroke-width:1}
.board .pb-fuse{fill:#241A12;stroke:#8A6A3A;stroke-width:1.2}
.board .pb-ind{fill:#1A222E;stroke:#5A7893;stroke-width:1.2}
.board .pb-elco{fill:#131C28;stroke:#54718E;stroke-width:1.2}
.board .pb-elco-k{fill:none;stroke:#8FA3B8;stroke-opacity:.45;stroke-width:1.4}

/* relays */
.board .pb-relay rect{fill:#173754;stroke:#4179A5;stroke-width:1}
.board .pb-seam{stroke:#4179A5;stroke-opacity:.5;stroke-width:1}

/* field terminals */
.board .pb-term{fill:#12402F;stroke:#2E7F5C;stroke-width:1.2}
.board .pb-mouth{fill:#04140D;stroke:#2E7F5C;stroke-opacity:.55;stroke-width:.8}
.board .pb-screw{fill:#9AA9B8;stroke:#5E6E7E;stroke-width:.8}
.board .pb-slot{stroke:#3C4A58;stroke-width:1.4;stroke-linecap:round}

/* module + connectors */
.board .pb-mod{fill:#0A1728;stroke:#38BDF8;stroke-opacity:.45;stroke-width:1.2;
  stroke-dasharray:7 5}
.board .pb-conn{fill:#101A26;stroke:#4E6E8C;stroke-width:1}
.board .pb-connpin{stroke:#C9A227;stroke-opacity:.4;stroke-width:.7}
.board .pb-jack{fill:#161F2B;stroke:#5A7893;stroke-width:1.2}
.board .pb-jack-mouth{fill:#050A11;stroke:#5A7893;stroke-opacity:.7;stroke-width:1}

/* indicators */
.board .pb-led--g{fill:#22C55E}
.board .pb-led--b{fill:#38BDF8}
.board .pb-led--a{fill:#F59E0B}
.board .pb-led{opacity:.85}

/* silkscreen */
.board .pb-key{font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  fill:#9FC4E0;fill-opacity:.95}
.board .pb-silk{font-family:var(--mono);font-size:8px;letter-spacing:.1em;fill:#7392AE}
.board .pb-lbl{font-family:var(--mono);font-size:8px;letter-spacing:.04em;fill:#B7CADB}
.board .pb-tiny{font-family:var(--mono);font-size:7px;letter-spacing:.06em;fill:#6D8AA5}
.board .pb-c{text-anchor:middle}

/* Text form of the same diagram, for widths where the SVG labels go sub-7px. */
.chain{display:none;margin:0}
.chain__row{
  display:grid;grid-template-columns:88px 1fr;gap:var(--s-3);
  padding:var(--s-3) 0;border-top:1px solid var(--line-dark);
}
.chain__row:first-child{border-top:0}
.chain dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent-br);padding-top:2px;
}
.chain dd{margin:0;font-size:13.5px;line-height:1.55;color:#94A3B8}
.chain dd b{font-weight:400;color:#475569;padding:0 2px}

.hero__caption{
  margin-top:var(--s-3);text-align:right;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;color:#475569;
}

/* ============================================================
   SHARED SECTION SHELL
   ============================================================ */
.section{padding:var(--s-9) 0}
.section--light{background:var(--paper);color:var(--fg)}
.section--dark{background:var(--ink-700);color:#CBD5E1;border-top:1px solid var(--line-dark)}

.sec-head{max-width:820px;margin-bottom:var(--s-8)}
.sec-head--split{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:var(--s-7);align-items:end;max-width:none;
}
.sec-tag{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:var(--s-4);
}
.section--dark .sec-tag{color:var(--accent-br)}
.sec-title{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700}
.section--dark .sec-title{color:#fff}
.sec-sub{margin-top:var(--s-4);max-width:62ch;font-size:1.0625rem;color:var(--muted)}
.section--dark .sec-sub{color:#94A3B8}
.sec-head--split .sec-sub{margin-top:0}

.js .reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.js .reveal.is-in{opacity:1;transform:none}

/* ============================================================
   PLATFORMS
   ============================================================ */
.plat{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:var(--s-5)}
.plat__card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  padding:var(--s-6);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--paper-2);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.plat__card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--accent),#818CF8);
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.plat__card:hover{
  transform:translateY(-2px);
  border-color:#CBD5E1;
  box-shadow:0 12px 28px -18px rgba(2,6,23,.45);
}
.plat__card:hover::before{transform:scaleX(1)}

.plat__num{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:#94A3B8}
.plat__name{margin-top:var(--s-4);font-size:1.3rem;font-weight:700}
.plat__name span{color:var(--muted);font-weight:500}
.plat__tag{
  margin-top:7px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);
}
.plat__desc{margin-top:var(--s-4);font-size:14.75px;color:var(--fg-2)}
.plat__for{
  display:flex;flex-wrap:wrap;gap:6px;
  margin-top:auto;padding-top:var(--s-5);border-top:1px solid var(--line);
}
.plat__desc{margin-bottom:var(--s-5)}
.plat__for li{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.02em;
  padding:5px 11px;border-radius:999px;background:#EFF3F8;color:var(--fg-2);
}

/* ============================================================
   CAPABILITIES
   ============================================================ */
.legend{
  display:flex;flex-wrap:wrap;gap:var(--s-5);
  margin-bottom:var(--s-5);
  font-family:var(--mono);font-size:12px;color:#64748B;
}
.legend span{display:inline-flex;align-items:center;gap:8px}
.mk{width:9px;height:9px;border-radius:50%;flex:none}
.mk--std{background:var(--accent-br)}
.mk--opt{border:1.5px solid #64748B}

.caps{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--s-4)}
.cap--wide{grid-column:span 3}
.cap--mid{grid-column:span 2}
.cap{
  padding:var(--s-6);
  border:1px solid var(--line-dark);border-radius:var(--r-lg);
  background:rgba(255,255,255,.022);
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.cap:hover{border-color:rgba(56,189,248,.32);background:rgba(56,189,248,.04)}

.cap__ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--accent-dim);color:var(--accent-br);
  margin-bottom:var(--s-4);
}
.cap__ico svg{width:20px;height:20px}
.cap__title{font-size:1.0625rem;font-weight:600;color:#fff}

.cap__hero{margin-top:var(--s-3);font-family:var(--mono);font-size:13px;color:#64748B}
.cap__hero b{
  display:inline-block;margin-right:6px;
  font-family:var(--sans);font-size:1.85rem;font-weight:700;color:#fff;letter-spacing:-.03em;
  vertical-align:-2px;
}

.cap__list{margin-top:var(--s-4);display:grid;gap:10px}
.cap__list--2{grid-template-columns:repeat(2,1fr);column-gap:var(--s-5)}
.cap__list li{position:relative;padding-left:20px;font-size:14.5px;color:#CBD5E1}
.cap__list li::before{
  content:"";position:absolute;left:0;top:.5em;
  width:9px;height:9px;border-radius:50%;
}
.cap__list .is-std::before{background:var(--accent-br)}
.cap__list .is-opt::before{border:1.5px solid #64748B}
.cap__list .is-opt{color:#94A3B8}
.cap__list b{display:block;font-weight:400;font-size:12.5px;color:#64748B;margin-top:1px}

.caps__note{margin-top:var(--s-6);font-size:14.5px;color:#64748B}
.link{color:var(--accent-br);border-bottom:1px solid rgba(56,189,248,.3);transition:border-color .15s var(--ease)}
.link:hover{border-bottom-color:var(--accent-br)}

/* ============================================================
   APPLICATIONS
   ============================================================ */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-4)}
.app{
  display:flex;flex-direction:column;
  padding:var(--s-6);
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--paper-2);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.app:hover{
  transform:translateY(-2px);
  border-color:#CBD5E1;
  box-shadow:0 12px 28px -18px rgba(2,6,23,.45);
}
.app__ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:#EAF3FA;color:var(--accent);
  margin-bottom:var(--s-4);
}
.app__ico svg{width:20px;height:20px}
.app__title{font-size:1.0625rem;font-weight:600}
.app__desc{margin-top:var(--s-3);font-size:14.75px;color:var(--fg-2)}
.app__uses{
  margin-top:auto;padding-top:var(--s-5);
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--muted);
}

/* ============================================================
   WHY OFF-THE-SHELF
   ============================================================ */
.why{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:var(--s-8);align-items:start;
}
.why__lead{position:sticky;top:calc(var(--nav-h) + var(--s-6))}
.why__lead .sec-sub{margin-top:var(--s-4)}
.why__cta{margin-top:var(--s-6)}

.why__list{display:grid;gap:0}
.why__item{
  display:grid;grid-template-columns:auto 1fr;gap:var(--s-5);
  padding:var(--s-6) 0;
  border-top:1px solid var(--line-dark);
}
.why__item:first-child{border-top:0;padding-top:0}
.why__item:last-child{padding-bottom:0}
.why__num{
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--accent-br);padding-top:4px;
}
.why__title{font-size:1.125rem;font-weight:600;color:#fff}
.why__desc{margin-top:var(--s-2);font-size:14.75px;color:#94A3B8;max-width:56ch}

/* ============================================================
   ABOUT
   ============================================================ */
.about .sec-tag{margin-bottom:var(--s-3)}
.about__body{margin-top:var(--s-6);display:grid;gap:var(--s-4)}
.about__body p{font-size:1.0625rem;color:var(--fg-2)}
.about__lead{font-size:1.25rem!important;color:var(--fg)!important;letter-spacing:-.012em}
.about__lead b{font-weight:600}

.gt{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:var(--s-5);
  margin-top:var(--s-7);padding:var(--s-5) var(--s-6);
  border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-md);
  background:#F1F6FB;
}
.gt__tag{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:4px;
}
.gt__text{font-size:14.75px;color:var(--fg-2);max-width:52ch}
/* .btn--ghost is tuned for dark sections — restate it for this light card. */
.gt__link{color:var(--accent);border-color:rgba(3,105,161,.35);background:transparent;flex:none}
.gt__link:hover{color:var(--accent);border-color:var(--accent);background:rgba(3,105,161,.06)}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:var(--s-8);align-items:start;
}
.contact__list{display:grid;gap:var(--s-3);margin-top:var(--s-7)}
.contact__list li{display:flex;align-items:center;gap:var(--s-3);font-size:15px;color:#CBD5E1}
.contact__list a:hover{color:var(--accent-br)}
.contact__ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:8px;flex:none;
  background:var(--accent-dim);color:var(--accent-br);
}
.contact__ico svg{width:17px;height:17px}
.contact__note{
  margin-top:var(--s-5);font-family:var(--mono);font-size:12px;
  letter-spacing:.04em;color:#64748B;
}

/* --- form --- */
.form-card{
  padding:var(--s-7);
  border:1px solid var(--line-dark);border-radius:var(--r-lg);
  background:rgba(255,255,255,.025);
}
.form{display:grid;gap:var(--s-5)}

/* Direct-contact card, standing in for the quote form until a mailbox exists. */
.direct__h{margin:0;font-size:20px;letter-spacing:-.01em;color:#F1F5F9}
.direct__lead{margin:var(--s-3) 0 var(--s-6);font-size:14.5px;line-height:1.6;color:#94A3B8}
.direct__cta{width:100%;justify-content:center;margin-bottom:var(--s-3)}
.direct__list{
  margin:var(--s-6) 0 var(--s-5);padding:0;list-style:none;
  display:grid;gap:10px;font-size:13.5px;color:#94A3B8;
}
.direct__list li{padding-left:18px;position:relative}
.direct__list li::before{
  content:"";position:absolute;left:0;top:7px;
  width:6px;height:6px;border-radius:1px;background:var(--accent-br);opacity:.65;
}
.form__row{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s-5)}

/* Honeypot: off-screen rather than display:none, which some bots skip. */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.field{display:grid;gap:7px;margin:0}
.field label{font-size:13px;font-weight:500;color:#CBD5E1;letter-spacing:.01em}
.req{color:var(--accent-br)}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  min-height:46px;padding:11px 13px;
  font:inherit;font-size:15px;color:#fff;
  background:rgba(2,6,23,.42);
  border:1px solid var(--line-dark);border-radius:var(--r-sm);
  transition:border-color .15s var(--ease),background .15s var(--ease);
  appearance:none;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.55}
.field select{
  /* Chevron drawn inline so no external asset and no CSP exception. */
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%2394A3B8' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;background-size:11px;
  padding-right:36px;cursor:pointer;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#2E4363}

.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent-br);background:rgba(2,6,23,.62);outline-offset:1px;
}
/* :user-invalid only fires after the visitor has interacted — never on page load. */
.field input:user-invalid,
.field select:user-invalid,
.field textarea:user-invalid{border-color:#B45309}

.hint{font-size:12.5px;color:#64748B;line-height:1.5}

.field--check{grid-template-columns:auto 1fr;align-items:start;gap:var(--s-3)}
.field--check input{
  width:19px;height:19px;margin-top:2px;flex:none;cursor:pointer;
  accent-color:var(--accent-br);
}
.field--check label{font-size:13.5px;font-weight:400;color:#94A3B8;line-height:1.55}

.form__submit{width:100%;margin-top:var(--s-2)}
.form__status{margin:0;font-size:14px;line-height:1.5;min-height:0}
.form__status:empty{display:none}
.form__status.is-error{color:#FCA5A5}
.form__status.is-ok{color:#86EFAC}
.form__fine{margin:0;font-size:12px;color:#475569}
.form.is-sending .form__submit{opacity:.6;pointer-events:none}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{
  background:var(--ink-900);color:#94A3B8;
  border-top:1px solid var(--line-dark);
  padding:var(--s-8) 0 var(--s-6);
}
.footer__grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(auto-fit,minmax(150px,1fr));
  gap:var(--s-7);
}
.footer .logo{color:#E2E8F0}
.footer__blurb{margin-top:var(--s-4);font-size:14px;max-width:38ch;color:#64748B}
.footer__contact{margin-top:var(--s-4);display:grid;gap:6px;font-size:14px}
.footer__contact a{color:#94A3B8;text-decoration:none}
.footer__contact a:hover{color:var(--accent-br)}
.footer__marks{display:flex;gap:var(--s-2);margin-top:var(--s-5)}
.footer__marks li{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  padding:4px 9px;border:1px solid var(--line-dark);border-radius:var(--r-sm);color:#64748B;
}
.footer__h{
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:#E2E8F0;margin-bottom:var(--s-4);
}
.footer__col ul{display:grid;gap:10px}
.footer__col a{font-size:14px;color:#94A3B8;transition:color .15s var(--ease)}
.footer__col a:hover{color:var(--accent-br)}
.footer__bar{
  display:flex;flex-wrap:wrap;gap:var(--s-3) var(--s-6);
  justify-content:space-between;
  margin-top:var(--s-8);padding-top:var(--s-5);
  border-top:1px solid var(--line-dark);
  font-size:12px;color:#475569;
}
.footer__bar p{margin:0}

/* ============================================================
   SECONDARY PAGES (privacy, terms, thank-you, 404)
   ============================================================ */
.page-body{background:var(--ink-800);color:#CBD5E1}
.page{padding:var(--s-9) 0}
.page--center{
  min-height:100svh;display:flex;align-items:center;text-align:center;
}
.page--center .wrap{display:grid;justify-items:center;gap:var(--s-4)}
.page__back{margin:0 0 var(--s-6);font-size:14px}
.page__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--accent-dim);color:var(--accent-br);margin-bottom:var(--s-2);
}
.page__mark svg{width:28px;height:28px}
.page__code{
  margin:0;font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--accent-br);
}
.page__title{font-size:clamp(1.8rem,4vw,2.6rem);color:#fff}
.page__meta{margin-top:var(--s-3);font-family:var(--mono);font-size:12px;color:#64748B}
.page__lead{max-width:56ch;font-size:1.0625rem;color:#94A3B8}
.page--center .btn{margin-top:var(--s-4)}

.doc{margin-top:var(--s-7);max-width:70ch}
.doc h2{
  margin-top:var(--s-7);margin-bottom:var(--s-3);
  font-size:1.125rem;font-weight:600;color:#fff;
}
.doc p,.doc li{font-size:15px;color:#94A3B8;line-height:1.7}
.doc p + p{margin-top:var(--s-3)}
.doc ul{margin:var(--s-3) 0 0;display:grid;gap:8px}
.doc li{position:relative;padding-left:18px}
.doc li::before{
  content:"";position:absolute;left:0;top:.65em;
  width:5px;height:5px;border-radius:50%;background:#475569;
}
.doc__notice{
  padding:var(--s-4) var(--s-5);border-radius:var(--r-md);
  border:1px solid #7C4A0F;background:rgba(180,83,9,.12);color:#FCD34D!important;
}

/* ============================================================
   WIREFRAME BLOCKS (temporary — replaced section by section)
   ============================================================ */
.wf{padding:var(--s-9) 0;border-top:1px solid var(--line)}
.wf--light{background:var(--paper);color:var(--fg)}
.wf--dark{background:var(--ink-700);color:#E2E8F0;border-top-color:var(--line-dark)}
.wf--darker{background:var(--ink-900);color:#94A3B8;border-top-color:var(--line-dark);padding:var(--s-7) 0}

.wf__tag{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:var(--s-3);
}
.wf--dark .wf__tag,.wf--darker .wf__tag{color:#64748B}
.wf__blocked{
  display:inline-block;margin-left:var(--s-3);
  color:#B45309;background:#FEF3C7;border:1px solid #FDE68A;
  padding:2px 9px;border-radius:999px;text-transform:none;letter-spacing:.02em;font-size:10.5px;
}
.wf__h{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:var(--s-6)}

.wf__row{display:grid;gap:var(--s-4)}
.wf__row--2{grid-template-columns:repeat(2,1fr)}
.wf__row--3{grid-template-columns:repeat(3,1fr)}
.wf__row--4{grid-template-columns:repeat(4,1fr)}
.wf__bento{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-4)}
.wf__box--wide{grid-column:span 2}

.wf__box,.wf__card{
  display:flex;flex-direction:column;justify-content:center;gap:var(--s-2);
  min-height:96px;padding:var(--s-5);
  border:1.5px dashed var(--line);border-radius:var(--r-md);
  background:rgba(2,6,23,.02);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--fg-2);
}
.wf--dark .wf__box,.wf--darker .wf__box{
  border-color:var(--line-dark);background:rgba(255,255,255,.02);color:#94A3B8;
}
.wf__box small,.wf__card small{font-size:11px;color:var(--muted);letter-spacing:.02em;line-height:1.5}
.wf__box--tall{min-height:180px}
.wf__box--table{min-height:220px;align-items:center;text-align:center}
.wf__box--callout{margin-top:var(--s-4);border-style:solid;border-color:var(--accent);color:var(--accent)}
.wf__card{min-height:280px;justify-content:flex-start}

.wf__filters{display:flex;gap:var(--s-2);margin-bottom:var(--s-4)}
.wf__filters span{
  font-family:var(--mono);font-size:12px;padding:6px 14px;
  border:1px solid var(--line);border-radius:999px;color:var(--muted);
}
.wf__filters span:first-child{background:var(--fg);color:#fff;border-color:var(--fg)}
.wf__fine{margin-top:var(--s-5);font-size:12px;color:#475569}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1023px){
  .hero__inner{grid-template-columns:1fr;row-gap:var(--s-7)}
  .hero__copy{order:1}
  .hero__visual{order:2}
  .proof{order:3;grid-template-columns:repeat(3,1fr)}
  .board{max-width:460px;margin-inline:auto}
  .hero__caption{text-align:center}
}

@media (max-width:860px){
  .board{display:none}
  .chain{display:block}
  .hero__caption{display:none}

  .nav__links{
    position:fixed;inset:var(--nav-h) 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,18,32,.98);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line-dark);
    padding:var(--s-2) var(--s-5) var(--s-6);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .nav__links.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .nav__links a{padding:14px 0;border-bottom:1px solid var(--line-dark);font-size:16px}
  .nav__cta{margin:var(--s-4) 0 0;border-bottom:0!important;justify-content:center}
  .nav__toggle{display:flex}
  .nav:not(.is-stuck):has(.is-open){background:rgba(11,18,32,.86);backdrop-filter:blur(12px)}

  .wf__row--3,.wf__row--4,.wf__bento{grid-template-columns:repeat(2,1fr)}

  .sec-head--split{grid-template-columns:1fr;gap:var(--s-5);align-items:start}
  .sec-head--split .sec-sub{margin-top:0}
  .caps{grid-template-columns:repeat(2,1fr)}
  .cap--wide,.cap--mid{grid-column:span 1}
  .apps{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:1fr;gap:var(--s-7)}
  .why__lead{position:static}
  .contact{grid-template-columns:1fr;gap:var(--s-7)}
  .footer__grid{grid-template-columns:repeat(2,1fr);gap:var(--s-6)}
  .footer__brand{grid-column:1 / -1}
}

@media (max-width:640px){
  .hero{padding-top:calc(var(--nav-h) + var(--s-7));min-height:0}
  .proof{grid-template-columns:repeat(2,1fr);gap:var(--s-5)}
  .hero__cta .btn{flex:1 1 100%}
  .wf{padding:var(--s-7) 0}
  .wf__row--2,.wf__row--3,.wf__row--4,.wf__bento{grid-template-columns:1fr}
  .wf__box--wide{grid-column:auto}
  .wf__blocked{display:block;margin:var(--s-2) 0 0}

  .section{padding:var(--s-7) 0}
  .sec-head{margin-bottom:var(--s-6)}
  .caps{grid-template-columns:1fr}
  .cap{padding:var(--s-5)}
  .cap__list--2{grid-template-columns:1fr}
  .legend{gap:var(--s-3);flex-direction:column}

  .apps{grid-template-columns:1fr}
  .app{padding:var(--s-5)}
  .why__item{grid-template-columns:1fr;gap:var(--s-2);padding:var(--s-5) 0}
  .gt{flex-direction:column;align-items:flex-start}
  .gt__link{width:100%}

  .form-card{padding:var(--s-5)}
  .form__row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:var(--s-6)}
  .footer__bar{flex-direction:column;gap:var(--s-2)}
  .page{padding:var(--s-7) 0}
}

/* ============================================================
   MOTION PREFERENCES
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
  *,*::before,*::after{
    animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}