/* ==========================================================================
   SUPERSOLID LOGISTICS — design system
   Ink-first. One loud note (volt, <10% of any view). Motion snaps.
   ========================================================================== */

:root{
  --ink:#111114;
  --ink-2:#1a1a1e;
  --paper:#F4F2EC;
  --volt:#CCFF00;
  --concrete:#6E6E68;
  --cyan:#3DE1FF;
  --line:#2a2a2e;
  --muted:#b9b9b0;
  --ink-on-paper:#3a3a38;

  --disp:'Space Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Space Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --step--1:clamp(.8rem,.75rem + .2vw,.9rem);
  --step-0:clamp(1rem,.95rem + .3vw,1.125rem);
  --step-1:clamp(1.15rem,1.05rem + .5vw,1.4rem);
  --step-2:clamp(1.5rem,1.3rem + 1vw,2rem);
  --step-3:clamp(1.9rem,1.5rem + 2vw,2.9rem);
  --step-4:clamp(2.5rem,1.8rem + 3.6vw,4.6rem);

  --space-s:clamp(1rem,2vw,1.5rem);
  --space-m:clamp(1.75rem,3.5vw,2.75rem);
  --space-l:clamp(3.25rem,7vw,5.5rem);

  --radius:14px;
  --snap:cubic-bezier(.2,.9,.25,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-size:var(--step-0);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

/* ---- landmarks & layout ---- */
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(18px,4vw,32px)}
main{display:block}
section{padding:var(--space-l) 0;border-top:1px solid var(--line)}
section.no-line{border-top:none}

/* ---- type ---- */
h1,h2,h3{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;line-height:1.04;text-wrap:balance}
h1{font-size:var(--step-4)}
h2{font-size:var(--step-3);margin-bottom:.4em}
h3{font-size:var(--step-2);margin-bottom:.35em}
p{color:var(--muted);max-width:66ch;margin-bottom:1em}
p:last-child{margin-bottom:0}
p strong,li strong{color:var(--paper)}
.lede{font-size:var(--step-1);color:var(--paper);max-width:60ch}
.mono{font-family:var(--mono)}
.kick{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--concrete);margin-bottom:16px;
}
a{color:var(--volt)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px;
}
.skip{
  position:absolute;left:-9999px;top:0;background:var(--volt);color:var(--ink);
  padding:10px 16px;font-weight:700;z-index:100;border-radius:0 0 8px 0;
}
.skip:focus{left:0}
::selection{background:var(--volt);color:var(--ink)}

/* ---- header ---- */
.site-head{
  position:sticky;top:0;z-index:40;
  background:rgba(17,17,20,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--paper)}
.brand svg{width:27px;height:27px;flex:0 0 auto}
.brand .word{font-family:var(--disp);font-weight:700;font-size:1.1rem;letter-spacing:-.01em}
.brand .word small{font-family:var(--mono);font-weight:400;font-size:.5rem;letter-spacing:.28em;color:var(--concrete);margin-left:7px;vertical-align:2px}
.site-nav{margin-left:auto}
.site-nav ul{display:flex;gap:clamp(14px,2.5vw,30px);list-style:none;align-items:center}
.site-nav a{
  color:var(--paper);text-decoration:none;font-size:.92rem;font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;
}
.site-nav a:hover{border-bottom-color:var(--concrete)}
.site-nav a[aria-current="page"]{border-bottom-color:var(--volt)}
.site-nav .nav-cta{
  background:var(--volt);color:var(--ink);font-weight:700;
  padding:9px 16px;border-radius:9px;border-bottom:none;
}
.site-nav .lang-switch{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;
  color:var(--concrete);border:1px solid var(--line);border-radius:7px;
  padding:6px 10px;border-bottom:1px solid var(--line);
}
.site-nav .lang-switch:hover{color:var(--paper);border-color:var(--concrete)}
.site-nav .nav-cta:hover{filter:brightness(1.06)}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1px solid var(--line);
  color:var(--paper);font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  padding:9px 13px;border-radius:8px;cursor:pointer;
}

/* ---- buttons ---- */
.btn{
  display:inline-block;padding:14px 24px;border-radius:10px;
  font-weight:700;font-size:.98rem;text-decoration:none;border:0;cursor:pointer;
  font-family:var(--body);
  transition:transform .14s var(--snap),filter .14s var(--snap);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--volt);color:var(--ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{border:1px solid #55554f;color:var(--paper);font-weight:600;background:transparent}
.btn-ghost:hover{border-color:var(--concrete)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

/* ---- hero (home) ---- */
.hero{position:relative;border-top:none;overflow:hidden;padding:0;min-height:min(92vh,860px);display:flex;align-items:flex-end}
.hero-media{position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,#16161a,#0d0d10)}
.hero-media img{width:100%;height:100%;object-fit:cover;display:block}
.hero-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .8s var(--snap);
}
.hero-video.playing{opacity:1}
@media (prefers-reduced-motion:reduce){.hero-video{display:none}}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(17,17,20,.42) 0%,rgba(17,17,20,.25) 40%,rgba(17,17,20,.88) 82%,var(--ink) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:clamp(120px,22vh,220px) 0 var(--space-l)}
.hero .eyebrow{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.18em;
  color:var(--volt);margin-bottom:20px;
}
.hero .sub{font-size:var(--step-1);color:#d8d6cd;max-width:58ch;margin-top:.7em}
.telemetry{
  position:absolute;top:84px;right:clamp(18px,4vw,32px);z-index:2;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--cyan);
  background:rgba(17,17,20,.55);padding:8px 12px;border-radius:8px;border:1px solid rgba(61,225,255,.25);
}
.telemetry b{color:var(--volt);font-weight:700}
.powered{
  position:absolute;bottom:18px;right:clamp(18px,4vw,32px);z-index:2;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;color:var(--concrete);
}

/* ---- page hero (subpages) ---- */
.page-hero{border-top:none;padding-top:calc(var(--space-l) * 1.15)}
.page-hero .sub{font-size:var(--step-1);color:var(--muted);max-width:60ch}

/* ---- cards & grids ---- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:var(--space-m)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:var(--space-m)}
.card{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,3vw,32px);
}
.card .role{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--concrete);margin-bottom:14px;
}
.card.light{background:var(--paper);color:var(--ink);border-color:transparent}
.card.light p{color:var(--ink-on-paper)}
.card.light .role{color:#9a9a90}
.card h3 .accent{color:var(--volt)}
.card-link{display:inline-block;margin-top:10px;font-weight:700;font-size:.95rem;text-decoration:none}
.card.light .card-link{color:var(--ink)}
.card-link::after{content:" \2192"}

/* ---- loop list ---- */
ul.loops{list-style:none;margin-top:var(--space-m)}
ul.loops li{padding:16px 0;border-top:1px solid var(--line);color:var(--muted);max-width:75ch}
ul.loops li:last-child{border-bottom:1px solid var(--line)}
ul.loops li b{color:var(--paper)}
ul.loops li .tag{
  font-family:var(--mono);font-size:.65rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--volt);margin-left:10px;
}

/* ---- loop diagram ---- */
.loop-figure{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-m);align-items:start;margin-top:var(--space-m)}
.loop-figure svg{width:100%;height:auto;display:block}
.loop-figure figcaption{font-family:var(--mono);font-size:.72rem;color:var(--concrete);letter-spacing:.08em;margin-top:10px}

/* ---- animated loop diagram ---- */
.loop-anim .loop-runner{filter:drop-shadow(0 0 7px rgba(204,255,0,.55))}
@media (prefers-reduced-motion:reduce){
  .loop-anim .loop-runner,.loop-anim .loop-ghost{display:none}
}

/* ---- loop pair: operational + physical loop side by side ---- */
.loop-video-card{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:#0d0d10;
}
.loop-video-card video,.loop-video-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.loop-cap{
  margin-top:14px;font-family:var(--disp);font-weight:700;
  font-size:1.02rem;color:var(--paper);
}
.loop-cap .mono{
  display:block;font-family:var(--mono);font-weight:400;font-size:.62rem;
  letter-spacing:.16em;color:var(--cyan);margin-bottom:5px;
}
.loop-bridge{margin-top:var(--space-m);max-width:75ch}

/* ---- strips ---- */
.strip{
  background:var(--volt);color:var(--ink);border-radius:var(--radius);
  padding:clamp(22px,3vw,34px);margin-top:var(--space-m);
}
.strip h3,.strip p{color:var(--ink);margin:0}
.strip-dark{
  background:var(--ink-2);color:var(--paper);border:1px solid var(--line);
  border-left:5px solid var(--volt);border-radius:var(--radius);
  padding:clamp(22px,3vw,34px);margin-top:var(--space-m);
}
.strip-dark h3,.strip-dark p{margin:0}

/* ---- manifesto band ---- */
.manifesto-band{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.manifesto-band .big{
  font-family:var(--disp);font-weight:700;letter-spacing:-.02em;line-height:1.1;
  font-size:var(--step-3);color:var(--paper);max-width:24ch;
}
.manifesto-band .big em{font-style:normal;color:var(--volt)}

/* ---- placeholders (client to complete) ---- */
.placeholder{
  border:1.5px dashed var(--concrete);border-radius:10px;
  padding:14px 18px;margin:18px 0;
  font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;color:var(--concrete);
  max-width:66ch;
}
.placeholder::before{content:"[ CLIENT TO COMPLETE ] ";color:var(--volt);font-weight:700}

/* ---- proof stats ---- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:var(--space-m)}
.stat{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.stat .num{font-family:var(--disp);font-weight:700;font-size:var(--step-3);color:var(--paper);letter-spacing:-.02em}
.stat .num.dash{color:var(--concrete)}
.stat .label{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--concrete);margin-top:8px}

/* ---- contact ---- */
.doors{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:var(--space-m)}
form.contact{margin-top:var(--space-m);max-width:640px}
.field{margin-bottom:20px}
.field label{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--concrete);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:9px;
  color:var(--paper);font-family:var(--body);font-size:1rem;padding:13px 15px;
}
.field input:hover,.field textarea:hover{border-color:#3d3d42}
fieldset.path{border:0}
fieldset.path legend{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--concrete);margin-bottom:10px}
.path-options{display:flex;gap:12px;flex-wrap:wrap}
.path-options label{
  display:flex;align-items:center;gap:9px;cursor:pointer;
  border:1px solid var(--line);border-radius:9px;padding:12px 18px;
  font-weight:600;font-size:.95rem;background:var(--ink-2);
}
.path-options label:has(input:checked){border-color:var(--volt);color:var(--paper)}
.path-options input{accent-color:var(--volt)}
.form-note{font-family:var(--mono);font-size:.72rem;color:var(--concrete);letter-spacing:.04em;max-width:60ch}

/* ---- footer ---- */
.site-foot{border-top:1px solid var(--line);padding:var(--space-l) 0 var(--space-m);color:var(--concrete)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-m)}
.foot-grid h2{font-size:1rem;font-family:var(--mono);font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:var(--concrete);margin-bottom:14px}
.site-foot ul{list-style:none}
.site-foot li{margin-bottom:9px}
.site-foot a{color:var(--muted);text-decoration:none;font-size:.92rem}
.site-foot a:hover{color:var(--paper)}
.foot-address{
  font-style:normal;margin-top:14px;font-size:.9rem;
  color:var(--concrete);line-height:1.7;
}
.foot-address a{color:var(--muted);text-decoration:none}
.foot-address a:hover{color:var(--paper)}
.foot-line{
  margin-top:var(--space-m);padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---- motion: snap into place (only when JS is present) ---- */
.js .snap{opacity:0;transform:translateY(14px)}
.js .snap.in{
  opacity:1;transform:none;
  transition:opacity .38s var(--snap),transform .38s var(--snap);
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .snap{opacity:1;transform:none}
  .js .snap.in,.btn{transition:none}
}

/* ---- responsive ---- */
@media (max-width:1024px){
  .grid-3,.stat-grid{grid-template-columns:1fr 1fr}
  .loop-figure{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .site-nav{
    display:none;position:absolute;top:64px;left:0;right:0;
    background:var(--ink);border-bottom:1px solid var(--line);
    padding:14px clamp(18px,4vw,32px) 22px;margin-left:0;
  }
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav a{display:block;padding:12px 2px;border-bottom:1px solid var(--line)}
  .site-nav a[aria-current="page"]{border-bottom-color:var(--volt)}
  .site-nav .nav-cta{text-align:center;margin-top:12px;border-radius:9px}
  .site-nav .lang-switch{display:inline-block;margin-top:10px;border-bottom:1px solid var(--line)}
}
@media (max-width:720px){
  .grid-2,.grid-3,.stat-grid,.doors,.foot-grid{grid-template-columns:1fr}
  .telemetry{top:82px;bottom:auto;right:auto;left:clamp(18px,4vw,32px);max-width:calc(100% - 36px)}
  .hero-video{display:none} /* phones keep the static hero image */
  .hero{min-height:84vh}
  .hero-inner{padding-top:clamp(150px,26vh,240px)}
}