/* ============================================================
   Baulink — baulink-robotics.de
   Static stylesheet, shared by index / impressum / datenschutz.
   Design: "Absteckung / setting-out" — graphite instrument panel,
   single accent (laser green) used only at the marked point.
   ============================================================ */

/* ---- Self-hosted fonts (no CDN; DSGVO-friendly) ---- */
@font-face{font-family:"Archivo";font-style:normal;font-weight:400;font-display:swap;
  src:url("fonts/archivo-400.woff2") format("woff2")}
@font-face{font-family:"Archivo";font-style:normal;font-weight:500;font-display:swap;
  src:url("fonts/archivo-500.woff2") format("woff2")}
@font-face{font-family:"Archivo";font-style:normal;font-weight:600;font-display:swap;
  src:url("fonts/archivo-600.woff2") format("woff2")}
@font-face{font-family:"Archivo";font-style:normal;font-weight:700;font-display:swap;
  src:url("fonts/archivo-700.woff2") format("woff2")}
@font-face{font-family:"Archivo";font-style:normal;font-weight:800;font-display:swap;
  src:url("fonts/archivo-800.woff2") format("woff2")}

/* ---- Design tokens ----
   Palette sampled from the Baulink robot render:
   matte-black body (neutral charcoal), brushed-aluminium deck (neutral silver),
   520 nm green laser (marking signal) + amber status light (operational signal). */
:root{
  /* matte-black body — neutral charcoal, no blue cast */
  --bg:#151412;
  --bg-1:#1B1A18;
  --bg-2:#232220;
  --line:#302E2B;
  --line-2:#413E3A;

  /* brushed aluminium — neutral silver (deck / instrument housing) */
  --metal-hi:#C8C7C5;
  --metal:#ABA9A7;
  --metal-2:#8A8884;
  --metal-lo:#54514D;
  --brushed:linear-gradient(180deg,var(--metal-hi) 0%,var(--metal) 42%,var(--metal-2) 100%);

  /* type — warm-neutral whites to sit with the charcoal */
  --text:#ECEBE8;
  --text-1:#B4B1AB;
  --text-2:#807D76;

  /* green = the laser / the marking it leaves */
  --laser:#33E15F;
  --laser-soft:rgba(51,225,95,.13);
  --laser-line:rgba(51,225,95,.32);

  /* amber = operational status (taken from the robot's front light bar) */
  --amber:#FCC119;
  --amber-soft:rgba(252,193,25,.14);

  --font-display:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-body:var(--font-display);
  --font-mono:ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;

  --maxw:1140px;
  --pad:clamp(20px,5vw,48px);
  --radius:3px;
}

/* brushed-aluminium surface: vertical sheen + fine machined grain */
.metal{
  background:
    repeating-linear-gradient(90deg,
      rgba(255,255,255,.05) 0 1px, rgba(0,0,0,.04) 1px 2px, rgba(0,0,0,0) 2px 4px),
    var(--brushed);
  color:#1b1a18;
  border:1px solid #6e6b67;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55), inset 0 -1px 0 rgba(0,0,0,.30);
}

/* ---- Reset / base ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:1.0625rem;            /* ~17px */
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:clip;                /* guard against decorative overflow, keeps sticky working */
}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--laser);outline-offset:3px;border-radius:2px}

/* ---- Layout helpers ---- */
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(56px,9vw,104px);position:relative}
.section + .section{border-top:1px solid var(--line)}
section[id]{scroll-margin-top:84px}   /* clear sticky header on anchor jumps */

/* ---- Eyebrow (mono label with marked-point tick) ---- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:.7em;
  margin:0 0 1.1rem;
}
.eyebrow::before{
  content:"";
  inline-size:10px;block-size:10px;
  background:
    linear-gradient(var(--laser),var(--laser)) center/10px 1.5px no-repeat,
    linear-gradient(var(--laser),var(--laser)) center/1.5px 10px no-repeat;
  flex:none;
}

/* ---- Headings & text ---- */
h1,h2,h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.01em;line-height:1.1;margin:0}
.h-hero{
  font-weight:800;
  font-size:clamp(2.4rem,1.4rem + 4.3vw,4.4rem);
  line-height:1.04;
  letter-spacing:-.025em;
  margin:0;
  text-wrap:balance;
}
.h-section{font-size:clamp(1.6rem,1.2rem + 1.7vw,2.35rem);letter-spacing:-.02em;margin:0 0 1rem}
.lead{color:var(--text-1);font-size:clamp(1.06rem,1rem + .4vw,1.25rem);max-width:62ch;margin:0 0 1rem}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
.muted{color:var(--text-1)}
.faint{color:var(--text-2)}
.measure{max-width:var(--maxw)}            /* keep frame aligned with hero / cards */
.measure > *{max-width:64ch}               /* cap line length only; stay left-aligned */

/* ============================================================
   Header
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(200,199,197,.07);   /* thin machined highlight under the rule */
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;min-block-size:62px;
}
/* engraved-aluminium wordmark — echoes the lettering milled into the deck */
.engraved{
  background:linear-gradient(180deg,#DEDDDB 0%,#A9A7A4 52%,#84827E 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  text-shadow:0 1px 0 rgba(0,0,0,.45);
}
.wordmark{
  font-family:var(--font-display);font-weight:800;font-size:1.16rem;
  letter-spacing:-.02em;color:var(--text);text-decoration:none;
  display:inline-flex;align-items:center;gap:.5ch;
}
.wordmark .tick{inline-size:7px;block-size:7px;background:var(--laser);border-radius:1px;display:inline-block;margin-block-start:.35em;box-shadow:0 0 7px var(--laser-line)}
.nav-links{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2rem)}
.nav-links a{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text-1);text-decoration:none;
  padding-block:.4rem;transition:color .18s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-section{display:none}
@media (min-width:680px){.nav-section{display:inline}}

/* ============================================================
   Hero
   ============================================================ */
.hero{position:relative;isolation:isolate;padding-block:clamp(56px,8vw,100px);overflow:hidden}
.hero::before{                 /* faint setting-out grid, faded toward the edges */
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:58px 58px;background-position:center;
  opacity:.55;
  -webkit-mask-image:radial-gradient(125% 95% at 72% 36%,#000 0%,transparent 74%);
          mask-image:radial-gradient(125% 95% at 72% 36%,#000 0%,transparent 74%);
}
.hero::after{                  /* soft laser-green pool behind the system-map */
  content:"";position:absolute;z-index:-1;
  inline-size:560px;block-size:560px;border-radius:50%;
  inset-block-start:-110px;inset-inline-end:-80px;
  background:radial-gradient(circle,rgba(51,225,95,.10),transparent 66%);
  pointer-events:none;
}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1fr;gap:clamp(34px,5vw,56px);align-items:center}
@media (min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr}}
.hero-sub{color:var(--text-1);font-size:clamp(1.06rem,1rem + .45vw,1.3rem);max-width:54ch;margin:1.4rem 0 0}
.hero-status{
  margin-block-start:2rem;
  display:inline-flex;align-items:center;gap:.7em;
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-2);
  border:1px solid var(--line);border-radius:100px;
  padding:.5em 1em;
  background:var(--bg-1);
}
.hero-status .dot{inline-size:8px;block-size:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 var(--amber-soft)}

/* signal bar — echoes the robot's front status light (amber → green sweep) */
.scanbar{
  position:relative;margin-block-start:1.4rem;
  inline-size:clamp(190px,44%,320px);block-size:6px;border-radius:100px;overflow:hidden;
  background:linear-gradient(90deg,var(--amber) 0%,#BFD24A 46%,var(--laser) 100%);
  box-shadow:0 0 16px -3px var(--laser-line),0 0 12px -4px rgba(252,193,25,.5);
}
.scanbar::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.85) 50%,transparent 100%);
  inline-size:36%;transform:translateX(-140%);
}
@media (prefers-reduced-motion:no-preference){
  .scanbar::after{animation:sweep 3.4s ease-in-out infinite}
}
@keyframes sweep{0%{transform:translateX(-140%)}55%,100%{transform:translateX(380%)}}

/* Setting-out diagram, set into a brushed-aluminium instrument housing */
.plan-housing{
  position:relative;border:1px solid #5C5954;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 22px 46px -30px rgba(0,0,0,.85);
}
.plan-bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  block-size:32px;padding-inline:12px;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,rgba(0,0,0,.045) 1px 2px,rgba(0,0,0,0) 2px 4px),
    var(--brushed);
  border-bottom:1px solid #3A3733;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55),inset 0 -1px 0 rgba(0,0,0,.25);
}
.plan-bar .lbl{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:#2B2825;font-weight:600}
.plan-bar .screws{display:inline-flex;gap:8px}
.plan-bar .screws i{inline-size:6px;block-size:6px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#EEEDEB,#6F6C68 72%);box-shadow:inset 0 0 0 1px rgba(0,0,0,.3)}
.plan-housing .plan{border:0;border-radius:0;background:transparent}

/* Robot render — framed studio shot, honestly captioned */
.shot{margin:0}
.shot .frame{
  position:relative;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;
  background:#1b1a18;box-shadow:0 30px 64px -42px rgba(0,0,0,.9);
}
.shot .frame img{display:block;inline-size:100%;block-size:auto}
.shot .frame::after{           /* melt the grey studio edges into the charcoal page */
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  box-shadow:inset 0 0 48px 8px rgba(21,20,18,.5);
}
.shot figcaption{margin-block-start:.75rem;display:flex;flex-direction:column;gap:.15rem}
.shot .cap-main{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-2)}
.shot .cap-sub{font-size:.8rem;color:var(--text-2);opacity:.85}

/* Vision: copy + setting-out diagram side by side */
.vision-grid{display:grid;grid-template-columns:1fr;gap:clamp(34px,5vw,56px);align-items:center}
.vision-copy > *{max-width:60ch}
@media (min-width:900px){.vision-grid{grid-template-columns:1.05fr .95fr}}

/* Setting-out diagram */
.plan{
  inline-size:100%;block-size:auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--bg-1);
  display:block;
}
.plan .grid-line{stroke:#26241F;stroke-width:1}
.plan .room{fill:rgba(255,255,255,.012);stroke:var(--line-2);stroke-width:2;stroke-linejoin:round}
.plan .part{stroke:#2B2824;stroke-width:1.5}
.plan .tick{stroke:var(--text-2);stroke-width:1.5}
.plan .datum{fill:none;stroke:var(--text-2);stroke-width:1.5}
.plan .label{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;fill:var(--text-2)}
.plan .connector{stroke:var(--laser-line);stroke-width:1.5;stroke-dasharray:4 4}
.plan .cross{stroke:var(--laser);stroke-width:2;stroke-linecap:round}
.plan .cross-dot{fill:var(--laser)}
.plan .glow{fill:var(--laser)}
.plan .label-hit{fill:var(--laser)}

/* ============================================================
   Bausteine (ecosystem cards)
   ============================================================ */
.grid-cards{
  display:grid;gap:14px;margin-block-start:2.2rem;
  grid-template-columns:1fr;
}
@media (min-width:560px){.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.grid-cards{grid-template-columns:repeat(4,1fr)}}
.card{
  position:relative;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.5rem 1.4rem 1.6rem;
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.card:hover{border-color:var(--line-2);background:var(--bg-2);transform:translateY(-2px)}
/* registration corner tick (top-left) */
.card::before{
  content:"";position:absolute;inset-block-start:14px;inset-inline-start:14px;
  inline-size:9px;block-size:9px;
  background:
    linear-gradient(var(--laser),var(--laser)) left top/9px 2px no-repeat,
    linear-gradient(var(--laser),var(--laser)) left top/2px 9px no-repeat;
  opacity:.85;
}
.card-kicker{
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-2);margin:0 0 .9rem;padding-inline-start:20px;
}
.card-title{font-family:var(--font-display);font-weight:700;font-size:1.18rem;letter-spacing:-.01em;margin:0 0 .55rem}
.card-body{color:var(--text-1);font-size:.96rem;line-height:1.55;margin:0}
.cards-note{
  margin-block-start:1.3rem;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;
  color:var(--text-2);text-transform:uppercase;
}

/* ============================================================
   Status (key/value rows)
   ============================================================ */
.facts{margin-block-start:2rem;border-top:2px solid transparent;border-image:var(--brushed) 1;}
.fact{
  display:grid;grid-template-columns:1fr;gap:.25rem;
  padding-block:1.15rem;border-bottom:1px solid var(--line);
}
@media (min-width:620px){.fact{grid-template-columns:200px 1fr;gap:1.5rem;align-items:baseline}}
.fact-key{
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-2);
}
.fact-val{color:var(--text);font-size:1.02rem;margin:0}

/* ============================================================
   Contact
   ============================================================ */
.contact-lead{color:var(--text-1);max-width:48ch;margin:0 0 1.8rem}
.mail{
  display:inline-flex;align-items:center;gap:.8ch;
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.4rem,1rem + 2.2vw,2.2rem);
  letter-spacing:-.02em;
  color:var(--text);text-decoration:none;
  border-bottom:2px solid var(--line-2);
  padding-block-end:.12em;
  transition:color .18s ease,border-color .18s ease;
  word-break:break-word;
}
.mail .mark{inline-size:.5em;block-size:.5em;background:var(--laser);border-radius:1px;flex:none}
.mail:hover{color:var(--laser);border-color:var(--laser)}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{border-top:1px solid var(--line);padding-block:clamp(34px,5vw,52px);background:var(--bg)}
.footer-inner{display:flex;flex-wrap:wrap;gap:1rem 1.6rem;align-items:center;justify-content:space-between}
.footer-brand{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;font-size:1.02rem}
.footer-links{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer-links a{
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-1);text-decoration:none;transition:color .18s ease;
}
.footer-links a:hover{color:var(--text)}
.footer-note{
  width:100%;margin-block-start:1.2rem;padding-block-start:1.2rem;border-top:1px solid var(--line);
  font-size:.84rem;color:var(--text-2);line-height:1.55;max-width:70ch;
}

/* ============================================================
   Legal pages
   ============================================================ */
.legal{padding-block:clamp(40px,7vw,80px)}
.legal .h-section{margin-block-end:.4rem}
.legal .legal-sub{color:var(--text-2);font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 2rem}
.legal h3{font-size:1.12rem;margin:2.2rem 0 .6rem;font-weight:700}
.legal p{color:var(--text-1);max-width:72ch}
.legal a{color:var(--text);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line-2)}
.legal a:hover{text-decoration-color:var(--laser)}
.ph{                                   /* inline placeholder token */
  color:var(--laser);
  font-family:var(--font-mono);
  font-size:.92em;
  background:var(--laser-soft);
  border:1px solid var(--laser-line);
  border-radius:3px;padding:.05em .45em;
  white-space:nowrap;
}
.notice{                               /* "placeholder — must be finalized" box */
  border:1px solid var(--laser-line);
  background:var(--laser-soft);
  border-radius:var(--radius);
  padding:1.1rem 1.2rem;
  margin:0 0 2.2rem;
  font-size:.94rem;line-height:1.55;color:var(--text);
}
.notice strong{color:var(--laser)}
.legal .opt{color:var(--text-2);font-style:italic;font-size:.9em}      /* instructional annotation */
.legal .legal-block + .legal-block{margin-block-start:.2rem}
.legal address{font-style:normal;line-height:1.9}
.back-link{
  display:inline-flex;align-items:center;gap:.6ch;margin-block-start:2.6rem;
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-1);text-decoration:none;
}
.back-link:hover{color:var(--text)}

/* ============================================================
   Reveal-on-scroll (progressive enhancement)
   No JS  -> content always visible.
   JS on  -> fade/translate in; disabled under reduced-motion.
   ============================================================ */
html.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.16,.84,.44,1),transform .7s cubic-bezier(.16,.84,.44,1)}
html.js [data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
}

/* Ambient pulse on the marked point (motion only) */
@media (prefers-reduced-motion:no-preference){
  .plan .glow{animation:pulse 3.2s ease-in-out infinite}
  .hero-status .dot{animation:beat 3.2s ease-in-out infinite}
}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
@keyframes beat{
  0%,100%{box-shadow:0 0 0 0 var(--amber-soft)}
  50%{box-shadow:0 0 0 6px transparent}
}

/* ============================================================
   Ecosystem diagram (hero system-map)
   ============================================================ */
.eco{inline-size:100%;block-size:auto;display:block}
.eco-box{fill:var(--bg-2);stroke:var(--line-2);stroke-width:1.25}
.eco-box.hot{stroke:var(--laser);stroke-width:1.5}
.eco-edge{fill:var(--laser)}
.eco-dot{fill:var(--laser)}
.eco-label{font-family:var(--font-mono);font-size:11px;fill:var(--text);text-anchor:middle;letter-spacing:.02em}
.eco-sub{font-family:var(--font-mono);font-size:8.5px;fill:var(--text-2);text-anchor:middle;letter-spacing:.04em}
.eco-foot{font-family:var(--font-mono);font-size:9px;fill:var(--text-2);text-anchor:middle;letter-spacing:.12em;text-transform:uppercase}
.eco-fb{font-family:var(--font-mono);font-size:8.5px;fill:var(--text-2);text-anchor:middle;letter-spacing:.1em}
.eco-line{stroke:var(--line-2);stroke-width:1.4}
.eco-line.fb{stroke:var(--laser-line);stroke-dasharray:4 4}

/* ============================================================
   Problem (3-up cards) + component status line
   ============================================================ */
@media (min-width:720px){.grid-cards.cols-3{grid-template-columns:repeat(3,1fr)}}
.card-status{
  margin-block-start:1rem;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;
  color:var(--text-2);display:flex;align-items:center;gap:.6ch;
}
.card-status .d{inline-size:6px;block-size:6px;border-radius:50%;background:var(--amber);flex:none}

/* ============================================================
   Entwicklung (robot + copy + roadmap)
   ============================================================ */
.dev-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px);align-items:center;margin-block-start:2.2rem}
@media (min-width:860px){.dev-grid{grid-template-columns:.95fr 1.05fr}}
.dev-copy{display:flex;flex-direction:column;gap:1.7rem}
.dev-tag{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.03em;color:var(--text);margin:0 0 .45rem;display:flex;align-items:center;gap:.7ch;flex-wrap:wrap}
.dev-soon{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);border:1px solid var(--amber-soft);background:var(--amber-soft);border-radius:100px;padding:.12em .65em}
.dev-text{color:var(--text-1);font-size:.98rem;line-height:1.55;margin:0;max-width:54ch}

.roadmap{list-style:none;margin:clamp(36px,5vw,56px) 0 0;padding:0;display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:720px){.roadmap{grid-template-columns:repeat(3,1fr)}}
.phase{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-1);padding:1.2rem 1.3rem}
.phase.now{border-color:var(--line-2);box-shadow:inset 0 0 0 1px rgba(51,225,95,.13)}
.phase-k{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-2);margin-block-end:.5rem}
.phase.now .phase-k{color:var(--laser)}
.phase-t{display:block;font-family:var(--font-display);font-weight:700;font-size:1.1rem;margin-block-end:.35rem}
.phase-d{display:block;color:var(--text-1);font-size:.9rem;line-height:1.5}

/* ============================================================
   Open/IFC code chip
   ============================================================ */
.codechip{font-family:var(--font-mono);font-size:.88em;color:var(--laser);background:var(--laser-soft);
  border:1px solid var(--laser-line);border-radius:3px;padding:.05em .45em;white-space:nowrap}

/* ============================================================
   Contact channels
   ============================================================ */
.channels{display:grid;grid-template-columns:1fr;gap:14px;margin-block-start:2rem}
@media (min-width:760px){.channels{grid-template-columns:repeat(3,1fr)}}
.channel{
  position:relative;overflow:hidden;display:flex;flex-direction:column;gap:.55rem;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-1);
  padding:1.4rem 1.4rem 1.5rem;text-decoration:none;color:inherit;
  transition:border-color .18s ease,background .18s ease;
}
.channel::before{content:"";position:absolute;inset-block-start:0;inset-inline:0;block-size:2px;background:var(--brushed);opacity:.55}
.channel:hover{border-color:var(--line-2);background:var(--bg-2)}
.ch-k{font-family:var(--font-display);font-weight:700;font-size:1.12rem}
.ch-d{color:var(--text-1);font-size:.92rem;line-height:1.5;flex:1}
.ch-go{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em;color:var(--text-2);transition:color .18s ease;overflow-wrap:anywhere}
.channel:hover .ch-go{color:var(--laser)}

/* ============================================================
   Polish pass — hero actions, roadmap rail, hovers, power-on
   ============================================================ */

/* Hero actions (quiet direction, fills the left column) */
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.7rem;margin-block-start:2rem}
.act{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;
  text-decoration:none;display:inline-flex;align-items:center;gap:.65ch;
  transition:color .18s ease,border-color .18s ease}
.act .arr{transition:transform .2s ease}
.act:hover .arr{transform:translate(2px,0)}
.act-primary{color:var(--text);border-bottom:1px solid var(--laser);padding-block-end:.4em}
.act-primary:hover{color:var(--laser)}
.act-ghost{color:var(--text-2)}
.act-ghost:hover{color:var(--text)}

/* Card hover — subtle lift + the registration tick powers up */
.card{transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:0 18px 40px -30px rgba(0,0,0,.9)}
.card:hover::before{box-shadow:0 0 10px var(--laser-line)}

/* Channel hover — match the lift */
.channel{transition:border-color .18s ease,background .18s ease,transform .18s ease}
.channel:hover{transform:translateY(-3px)}

/* Roadmap as a real timeline: node per phase + a progress rail */
.roadmap{position:relative}
.phase{position:relative;padding-block-start:1.75rem}
.phase::before{content:"";position:absolute;inset-block-start:-5px;inset-inline-start:1.3rem;
  inline-size:11px;block-size:11px;border-radius:50%;background:var(--bg-2);border:2px solid var(--line-2);z-index:1}
.phase.now::before{background:var(--laser);border-color:var(--laser);box-shadow:0 0 0 4px var(--laser-soft)}
@media (min-width:720px){
  .phase::before{inset-inline-start:50%;transform:translateX(-50%)}
  .roadmap::before{content:"";position:absolute;inset-block-start:0;inset-inline-start:16.67%;
    inline-size:66.66%;block-size:2px;border-radius:2px;opacity:.75;
    background:linear-gradient(90deg,var(--laser) 0%,var(--line-2) 62%)}
}
@media (prefers-reduced-motion:no-preference){
  .phase.now::before{animation:beat 2.6s ease-in-out infinite}
}

/* System-map power-on: connectors draw, then the green nodes light up */
@media (prefers-reduced-motion:no-preference){
  .js .eco-line{stroke-dasharray:560;stroke-dashoffset:560;animation:ecoDraw 1.1s cubic-bezier(.6,0,.2,1) forwards .35s}
  .js .eco-line.fb{animation-delay:.95s;animation-duration:1.2s}
  .js .eco-edge,.js .eco-dot{opacity:0;animation:ecoOn .55s ease forwards 1.15s}
}
@keyframes ecoDraw{to{stroke-dashoffset:0}}
@keyframes ecoOn{from{opacity:0}to{opacity:1}}

/* ============================================================
   A little more motion — subtle, scroll/hover-triggered only
   (no new always-on loops; all disabled under reduced-motion)
   ============================================================ */
@media (prefers-reduced-motion:no-preference){
  /* each section's crosshair "locks on" as the eyebrow reveals */
  html.js .eyebrow[data-reveal]::before{
    transform:scale(1.7);opacity:0;
    transition:transform .55s cubic-bezier(.16,.84,.44,1) .08s, opacity .45s ease .08s;
  }
  html.js .eyebrow[data-reveal].in::before{transform:scale(1);opacity:1}

  /* the roadmap progress rail draws itself in when the timeline appears */
  @media (min-width:720px){
    html.js .roadmap[data-reveal]::before{transform:scaleX(0);transform-origin:left;
      transition:transform .9s cubic-bezier(.16,.84,.44,1) .15s}
    html.js .roadmap[data-reveal].in::before{transform:scaleX(1)}
  }
}

/* nav: a green underline grows in on hover */
.nav-links a{position:relative}
.nav-links a::after{
  content:"";position:absolute;inset-inline:0;inset-block-end:.1rem;block-size:1.5px;
  background:var(--laser);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover::after{transform:scaleX(1)}

/* robot render: a gentle zoom on hover, vignette eases back slightly */
.shot .frame img{transition:transform .55s cubic-bezier(.16,.84,.44,1)}
.shot:hover .frame img{transform:scale(1.035)}
.shot .frame::after{transition:box-shadow .55s ease}
.shot:hover .frame::after{box-shadow:inset 0 0 62px 10px rgba(21,20,18,.32)}

/* ============================================================
   Black → aluminium: dark hero up top, brushed-metal body below.
   Hero keeps the glowing green laser; the .lower zone is black-on-metal.
   ============================================================ */
body{ background:#151412; }                              /* dark base behind header + hero */
.hero{ padding-block-end:clamp(170px,16vw,240px); }      /* headroom for the fade into metal */

.lower{
  position:relative;
  background:#ABA9A7;                                    /* aluminium deck */
  color:#161514;
  /* recolour the design tokens for the metal zone */
  --bg:#ABA9A7; --bg-1:#B8B7B4; --bg-2:#C3C2BF;
  --line:#827F7B; --line-2:#6F6D69;
  --text:#161514; --text-1:#393734; --text-2:#5B5955;
  --laser:#0E7A38; --laser-soft:rgba(14,122,56,.14); --laser-line:rgba(14,122,56,.55);
  --amber:#8A5E00; --amber-soft:rgba(138,94,0,.15);
}
/* very subtle brushed texture across the metal */
.lower::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,rgba(0,0,0,.02) 1px 3px);
}
.lower > *{ position:relative; z-index:1; }
/* the dark hero melts down into the metal */
.lower::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);z-index:2;
  top:-150px;inline-size:100vw;block-size:150px;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,#ABA9A7 100%);
}

/* robot frame + small accents tuned for the metal zone */
.lower .shot .frame{ background:#B8B7B4; border-color:#7C7A76; }
.lower .shot .frame::after{ box-shadow:inset 0 0 0 1px rgba(0,0,0,.06); }
.lower .dev-soon{ color:#0E7A38; border-color:rgba(14,122,56,.4); background:rgba(14,122,56,.12); }
.lower .codechip{ border:1px solid rgba(14,122,56,.3); }
.lower .channel::before{ opacity:.32; }
.lower .card:hover, .lower .channel:hover{ background:var(--bg-2); }

/* footer as the base metal plate (black text) */
.site-footer{ background:#A2A09D; border-top-color:#827F7B; color:#161514; }
.site-footer .footer-brand.engraved{ background:none; -webkit-text-fill-color:#161514; color:#161514; }
.site-footer .footer-links a{ color:#393734; }
.site-footer .footer-links a:hover{ color:#161514; }
.site-footer .footer-note{ color:#5B5955; }

/* --- match the approved preview exactly: green kickers + raised metal panels, smooth metal --- */
.lower::after{ content:none; }                          /* preview metal is smooth (no brushed texture) */
.lower .card,
.lower .channel{
  background:#B7B6B3;
  border:1px solid #807E7A;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45), 0 16px 32px -24px rgba(0,0,0,.55);
}
.lower .card::before{ content:none; }                   /* preview cards have no corner tick */
.lower .channel::before{ content:none; }                /* preview has no brushed strip */
.lower .card-kicker{ color:#0E7A38; padding-inline-start:0; }   /* green kicker, flush left — like preview */
.lower .card:hover,
.lower .channel:hover{ background:#C1C0BD; border-color:#6F6D69; transform:translateY(-2px); }

/* --- gradient transition exactly like the preview: long & smooth, dark → aluminium through the heading --- */
.hero{ padding-block-end:clamp(200px,17vw,250px); }                 /* headroom for the long fade */
.lower{ background:linear-gradient(180deg,#8d8b88 0px,#ABA9A7 380px,#ABA9A7 100%); }  /* mid-grey at heading → aluminium by the cards */
.lower::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);z-index:2;
  top:-170px;inline-size:100vw;block-size:170px;pointer-events:none;
  background:linear-gradient(180deg,transparent 0%,#8d8b88 100%);   /* dark hero melts to the same mid-grey */
}
.lower .eyebrow{ color:#3E3C39; }                                   /* darker label, readable on the transitional grey (matches preview) */

/* --- gradient EXACTLY like the preview: one long, smooth, multi-stop ramp dark → aluminium --- */
.hero{ padding-block-end:clamp(300px,24vw,360px); }                  /* generous dark space before the long fade */
/* upper half of the ramp lives in the hero's bottom gap (dark → mid-grey), multi-stop = smooth */
.lower::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);z-index:2;
  top:-280px;inline-size:100vw;block-size:280px;pointer-events:none;
  background:linear-gradient(180deg,#151412 0%,#2a2825 30%,#4f4d49 66%,#6e6c68 100%);
}
/* lower half of the ramp continues mid-grey → aluminium through the heading to the cards */
.lower{ background:linear-gradient(180deg,#6e6c68 0px,#8a8884 120px,#9e9c99 240px,#ABA9A7 400px,#ABA9A7 100%); }
.lower .eyebrow{ color:#3E3C39; }

/* ============================================================
   GRADIENT 1:1 with grad_preview: the fade BEGINS INSIDE the hero
   (same stop colors as the preview body-gradient), continues to
   aluminium at the Problem cards. Desktop = hero participates.
   ============================================================ */
.hero{
  padding-block-end:clamp(84px,11vw,120px);                        /* modest gap like the preview (64px 0 90px) */
  background:linear-gradient(180deg,#141413 0%,#161514 40%,#3b3a37 80%,#605f5c 100%);
}
.lower::before{ content:none; }                                    /* fade now lives in the hero, drop the old gap-fade */
.lower{ background:linear-gradient(180deg,#605f5c 0px,#7a7874 120px,#989693 280px,#ABA9A7 440px,#ABA9A7 100%); }
.lower .eyebrow{ color:#3E3C39; }

/* mobile: hero stacks (text above the system-map), so keep the hero dark
   and run the same fade in the gap just below it */
@media (max-width:899px){
  .hero{ padding-block-end:clamp(160px,34vw,240px); background:none; }
  .lower::before{
    content:"";position:absolute;left:50%;transform:translateX(-50%);z-index:2;
    top:-150px;inline-size:100vw;block-size:150px;pointer-events:none;
    background:linear-gradient(180deg,#151412 0%,#2a2825 36%,#46443f 70%,#605f5c 100%);
  }
}

/* --- cards 1:1 with preview: rounding (10px) + kicker weight/tracking + padding + body metrics --- */
.lower .card, .lower .channel, .lower .phase{ border-radius:10px; }
.lower .card{ padding:1.6rem 1.5rem; }
.lower .card-kicker{ font-weight:600; letter-spacing:.12em; margin-block-end:.7rem; }
.lower .card-body{ font-size:.97rem; line-height:1.5; }