/* ==========================================================================
   JR LABS — WEBSITE V1
   Single stylesheet. No build step, no external dependencies.
   Sections: 1 Tokens · 2 Reset · 3 Typography · 4 Layout · 5 Buttons
             6 Header/Nav · 7 Hero · 8 Components · 9 Pages · 10 Footer
             11 Forms · 12 Motion · 13 Responsive
   ========================================================================== */

/* 1. TOKENS ---------------------------------------------------------------- */
:root{
  /* Surfaces */
  --ink:#0A0B0D;
  --charcoal:#111318;
  --graphite:#171A1F;
  --graphite-2:#20242A;
  --paper:#F6F4F0;
  --paper-2:#ECE8E1;
  --white:#FFFFFF;

  /* Brand */
  --gold:#C2A15B;
  --gold-deep:#9A7E3F;
  --gold-wash:rgba(194,161,91,.14);
  --red:#C1272D;

  /* Text */
  --on-dark:#EDEAE5;
  --on-dark-muted:#969CA4;
  --on-light:#14161A;
  --on-light-muted:#5B6167;

  /* Lines */
  --line-dark:rgba(255,255,255,.11);
  --line-dark-2:rgba(255,255,255,.20);
  --line-light:rgba(10,11,13,.13);

  /* Metrics */
  --gutter:clamp(20px,5vw,56px);
  --maxw:1220px;
  --section-y:clamp(76px,9.5vw,150px);
  --header-h:84px;
  --header-h-sm:64px;

  /* Type */
  --ff:"Inter","Helvetica Neue",Helvetica,Arial,"Segoe UI",Roboto,system-ui,-apple-system,sans-serif;

  --ease:cubic-bezier(.22,.61,.36,1);
}
:root{ --on-light-muted:#5B6167; }

/* 2. RESET ----------------------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--ff);
  font-size:1.0625rem;
  line-height:1.7;
  color:var(--on-dark);
  background:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p,figure,blockquote{ margin:0; }
hr{ border:0; border-top:1px solid var(--line-dark); margin:0; }

/* Focus — always visible, never removed */
:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:1px;
}
.skip-link{
  position:absolute; left:var(--gutter); top:-100px; z-index:200;
  background:var(--gold); color:var(--ink);
  padding:.75rem 1.25rem; font-size:.8rem; letter-spacing:.14em; text-transform:uppercase; font-weight:600;
  transition:top .2s var(--ease);
}
.skip-link:focus{ top:1rem; }

/* 3. TYPOGRAPHY ------------------------------------------------------------ */
.display{
  font-size:clamp(2.45rem,7.2vw,5.25rem);
  line-height:.97;
  letter-spacing:-.025em;
  font-weight:650;
  text-transform:uppercase;
}
.h2{
  font-size:clamp(1.85rem,4.4vw,3.35rem);
  line-height:1.06;
  letter-spacing:-.02em;
  font-weight:640;
  text-transform:uppercase;
}
.h3{
  font-size:clamp(1.15rem,1.9vw,1.5rem);
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:620;
}
.h4{
  font-size:.95rem; line-height:1.4; font-weight:640;
  letter-spacing:.02em;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:.75rem;
  font-size:.7rem; letter-spacing:.26em; text-transform:uppercase;
  font-weight:600; color:var(--gold); margin-bottom:1.5rem;
}
.eyebrow::before{
  content:""; width:32px; height:1px; background:var(--gold); opacity:.7;
}
.lead{
  font-size:clamp(1.05rem,1.55vw,1.28rem);
  line-height:1.6; color:var(--on-dark-muted); max-width:62ch;
}
.body{ color:var(--on-dark-muted); max-width:64ch; }
.body + .body{ margin-top:1.15rem; }
.section--light .lead,
.section--light .body{ color:var(--on-light-muted); }
.num{
  font-size:.78rem; letter-spacing:.2em; font-weight:600; color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.accent{ color:var(--gold); }
.mark-red{ color:var(--red); }
strong{ font-weight:640; color:inherit; }

/* 4. LAYOUT ---------------------------------------------------------------- */
.wrap{ width:min(var(--maxw),100% - (var(--gutter) * 2)); margin-inline:auto; }
.wrap--narrow{ width:min(860px,100% - (var(--gutter) * 2)); }
.section{ padding-block:var(--section-y); position:relative; }
.section--light{ background:var(--paper); color:var(--on-light); }
.section--paper2{ background:var(--paper-2); color:var(--on-light); }
.section--charcoal{ background:var(--charcoal); }
.section--graphite{ background:var(--graphite); }
.section--tight{ padding-block:clamp(56px,6vw,96px); }
.section--light hr{ border-color:var(--line-light); }

.grid{ display:grid; gap:clamp(28px,4vw,64px); }
.grid-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.grid-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.grid-4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
.split{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.15fr); gap:clamp(32px,6vw,96px); align-items:start; }
.stack > * + *{ margin-top:1.5rem; }
.mt-1{ margin-top:.75rem; } .mt-2{ margin-top:1.5rem; } .mt-3{ margin-top:2.5rem; } .mt-4{ margin-top:clamp(2.5rem,5vw,4.5rem); }
.center{ text-align:center; }
.center .lead,.center .body{ margin-inline:auto; }
.center .eyebrow{ justify-content:center; }

/* Hairline detail used throughout */
.rule{ height:1px; background:var(--line-dark); width:100%; }
.section--light .rule{ background:var(--line-light); }

/* 5. BUTTONS --------------------------------------------------------------- */
.btn{
  display:inline-flex; align-items:center; gap:.85rem;
  padding:1.05rem 1.9rem;
  font-size:.75rem; font-weight:640; letter-spacing:.17em; text-transform:uppercase;
  border:1px solid transparent; background:transparent; cursor:pointer;
  transition:background-color .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.btn .arw{ transition:transform .35s var(--ease); }
.btn:hover .arw{ transform:translateX(5px); }
.btn--gold{ background:var(--gold); color:var(--ink); }
.btn--gold:hover{ background:#D4B570; }
.btn--ghost{ border-color:var(--line-dark-2); color:var(--on-dark); }
.btn--ghost:hover{ border-color:var(--gold); color:var(--gold); }
.section--light .btn--ghost{ border-color:var(--line-light); color:var(--on-light); }
.section--light .btn--ghost:hover{ border-color:var(--gold-deep); color:var(--gold-deep); }
.btn--dark{ background:var(--ink); color:var(--on-dark); }
.btn--dark:hover{ background:var(--graphite-2); }
.btn-row{ display:flex; flex-wrap:wrap; gap:.9rem; }
.link-arrow{
  display:inline-flex; align-items:center; gap:.7rem;
  font-size:.75rem; letter-spacing:.17em; text-transform:uppercase; font-weight:640;
  color:var(--gold); padding-bottom:.35rem; border-bottom:1px solid rgba(194,161,91,.35);
  transition:border-color .3s var(--ease), gap .3s var(--ease);
}
.link-arrow:hover{ border-color:var(--gold); gap:1.05rem; }

/* Coming-soon indicator */
.pill{
  display:inline-flex; align-items:center; gap:.65rem;
  padding:.5rem 1rem .5rem .85rem;
  border:1px solid var(--line-dark-2); border-radius:999px;
  font-size:.68rem; letter-spacing:.22em; text-transform:uppercase; font-weight:600;
  color:var(--on-dark);
}
.pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--gold); animation:pulse 2.8s var(--ease) infinite; }
.section--light .pill{ border-color:var(--line-light); color:var(--on-light); }
@keyframes pulse{ 0%,100%{ opacity:1; transform:scale(1);} 50%{ opacity:.35; transform:scale(.8);} }

/* 6. HEADER / NAV ---------------------------------------------------------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  height:var(--header-h);
  display:flex; align-items:center;
  background:rgba(10,11,13,0);
  border-bottom:1px solid transparent;
  transition:height .4s var(--ease), background-color .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
}
.site-header.is-scrolled{
  height:var(--header-h-sm);
  background:rgba(10,11,13,.86);
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom-color:var(--line-dark);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:2rem; width:100%; }

.brand{ display:inline-flex; align-items:center; gap:.8rem; }
.brand .mark{ width:30px; height:33px; color:var(--gold); flex:none; transition:transform .5s var(--ease); }
.brand:hover .mark{ transform:rotate(-8deg); }
.brand-text{ display:flex; align-items:baseline; gap:.42rem; line-height:1; }
.brand-name{ font-size:1.02rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; }
.brand-name .jr{ color:var(--red); }
.brand-suffix{ font-size:.55rem; letter-spacing:.24em; font-weight:600; color:var(--on-dark-muted); text-transform:uppercase; }

.nav-list{ display:flex; align-items:center; gap:clamp(1.1rem,2.4vw,2.2rem); }
.nav-list a{
  position:relative; display:inline-block; padding:.4rem 0;
  font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; font-weight:600;
  color:var(--on-dark-muted); transition:color .3s var(--ease);
}
.nav-list a::after{
  content:""; position:absolute; left:0; bottom:0; height:1px; width:0; background:var(--gold);
  transition:width .35s var(--ease);
}
.nav-list a:hover{ color:var(--on-dark); }
.nav-list a:hover::after,
.nav-list a[aria-current="page"]::after{ width:100%; }
.nav-list a[aria-current="page"]{ color:var(--on-dark); }
.nav-cta{ margin-left:.5rem; }
.nav-cta a{
  border:1px solid var(--line-dark-2); padding:.7rem 1.15rem !important; color:var(--on-dark) !important;
  transition:border-color .3s var(--ease), color .3s var(--ease);
}
.nav-cta a::after{ display:none; }
.nav-cta a:hover{ border-color:var(--gold); color:var(--gold) !important; }

.nav-toggle{
  display:none; align-items:center; justify-content:center;
  width:46px; height:46px; margin-right:-10px;
  background:none; border:0; cursor:pointer;
}
.nav-toggle .bars{ display:block; width:24px; height:12px; position:relative; }
.nav-toggle .bars span{
  position:absolute; left:0; height:1.5px; width:100%; background:var(--on-dark);
  transition:transform .35s var(--ease), opacity .25s var(--ease);
}
.nav-toggle .bars span:nth-child(1){ top:0; }
.nav-toggle .bars span:nth-child(2){ bottom:0; }
body.nav-open .nav-toggle .bars span:nth-child(1){ transform:translateY(5px) rotate(45deg); }
body.nav-open .nav-toggle .bars span:nth-child(2){ transform:translateY(-5px) rotate(-45deg); }

.mobile-nav{
  position:fixed; inset:0; z-index:99;
  background:var(--ink);
  padding:calc(var(--header-h) + 2rem) var(--gutter) 3rem;
  display:flex; flex-direction:column; justify-content:space-between;
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
  overflow-y:auto;
}
.mobile-nav.is-open{ opacity:1; visibility:visible; transform:none; }
.mobile-nav ul{ display:flex; flex-direction:column; gap:.35rem; }
.mobile-nav a.m-link{
  display:flex; align-items:baseline; gap:1rem;
  padding:.85rem 0; border-bottom:1px solid var(--line-dark);
  font-size:clamp(1.5rem,7vw,2.1rem); font-weight:640; letter-spacing:-.01em; text-transform:uppercase;
}
.mobile-nav a.m-link .idx{ font-size:.62rem; letter-spacing:.2em; color:var(--gold); font-weight:600; }
.mobile-nav a.m-link[aria-current="page"]{ color:var(--gold); }
.mobile-nav .m-foot{ margin-top:2.5rem; color:var(--on-dark-muted); font-size:.8rem; letter-spacing:.06em; }
body.nav-open{ overflow:hidden; }

/* 7. HERO ------------------------------------------------------------------ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:center;
  padding-top:calc(var(--header-h) + 4rem); padding-bottom:clamp(3rem,8vw,6rem);
  overflow:hidden; isolation:isolate;
}
.hero-bg{ position:absolute; inset:0; z-index:-2; background:var(--ink); }
.hero-bg::before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(85% 70% at 78% 18%, rgba(194,161,91,.16), transparent 62%),
    radial-gradient(70% 60% at 10% 92%, rgba(193,39,45,.09), transparent 60%);
}
.hero-grid{
  position:absolute; inset:0; z-index:-1; opacity:.5;
  background-image:
    linear-gradient(to right, var(--line-dark) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-dark) 1px, transparent 1px);
  background-size:clamp(80px,10vw,140px) clamp(80px,10vw,140px);
  -webkit-mask-image:radial-gradient(75% 75% at 50% 45%, #000 25%, transparent 100%);
          mask-image:radial-gradient(75% 75% at 50% 45%, #000 25%, transparent 100%);
}
.hero-inner{ display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr); gap:clamp(32px,6vw,80px); align-items:end; width:100%; }
.hero h1{ margin-bottom:2rem; }
.hero .lead{ max-width:46ch; color:var(--on-dark); opacity:.86; }
.hero-product{
  border-left:1px solid var(--line-dark); padding-left:clamp(20px,2.5vw,36px);
  font-size:.95rem; color:var(--on-dark-muted); max-width:34ch;
}
.hero-product strong{ color:var(--on-dark); display:block; letter-spacing:.01em; }
.hero-aside{ display:flex; flex-direction:column; gap:1.75rem; align-items:flex-start; padding-bottom:.5rem; }
.hero-meta{ font-size:.68rem; letter-spacing:.22em; text-transform:uppercase; color:var(--on-dark-muted); }
.hero-meta span{ display:block; }
.hero-meta span + span{ margin-top:.55rem; }
.scroll-cue{
  position:absolute; left:var(--gutter); bottom:2rem; z-index:2;
  display:flex; align-items:center; gap:.75rem;
  font-size:.62rem; letter-spacing:.24em; text-transform:uppercase; color:var(--on-dark-muted);
}
.scroll-cue .line{ width:52px; height:1px; background:var(--line-dark-2); position:relative; overflow:hidden; }
.scroll-cue .line::after{
  content:""; position:absolute; inset:0; background:var(--gold);
  transform:translateX(-100%); animation:sweep 3.4s var(--ease) infinite;
}
@keyframes sweep{ 0%{transform:translateX(-100%);} 55%{transform:translateX(100%);} 100%{transform:translateX(100%);} }

/* Page hero (interior pages) */
.page-hero{
  position:relative; padding-top:calc(var(--header-h) + clamp(56px,9vw,110px));
  padding-bottom:clamp(48px,7vw,90px);
  border-bottom:1px solid var(--line-dark); overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:radial-gradient(70% 90% at 85% 0%, rgba(194,161,91,.13), transparent 60%);
}
.page-hero h1{ max-width:18ch; }
.page-hero .lead{ margin-top:1.75rem; }

/* Breadcrumb */
.crumb{ font-size:.66rem; letter-spacing:.22em; text-transform:uppercase; color:var(--on-dark-muted); margin-bottom:1.5rem; }
.crumb a:hover{ color:var(--gold); }
.crumb span{ color:var(--gold); }

/* 8. COMPONENTS ------------------------------------------------------------ */
/* Principle cards */
.principles{ border-top:1px solid var(--line-light); }
.principle{
  padding-top:2rem; border-top:1px solid transparent; position:relative;
}
.principle::before{
  content:""; position:absolute; top:-1px; left:0; width:0; height:1px; background:var(--gold);
  transition:width .7s var(--ease);
}
.principle.is-visible::before{ width:100%; }
.principle .num{ display:block; margin-bottom:1.25rem; }
.principle p{ margin-top:.85rem; color:var(--on-light-muted); font-size:.98rem; }
.section--charcoal .principle p,.section--graphite .principle p{ color:var(--on-dark-muted); }

/* Feature / value cards */
.card{
  padding:clamp(1.6rem,2.6vw,2.4rem);
  border:1px solid var(--line-dark); background:rgba(255,255,255,.018);
  transition:border-color .4s var(--ease), background-color .4s var(--ease), transform .4s var(--ease);
}
.card:hover{ border-color:var(--line-dark-2); background:rgba(255,255,255,.035); }
.card .num{ display:block; margin-bottom:1.1rem; }
.card p{ margin-top:.8rem; color:var(--on-dark-muted); font-size:.97rem; }
.section--light .card{ border-color:var(--line-light); background:rgba(10,11,13,.015); }
.section--light .card:hover{ border-color:rgba(10,11,13,.22); background:rgba(10,11,13,.03); }
.section--light .card p{ color:var(--on-light-muted); }

/* Product concept block */
.product-showcase{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:clamp(32px,5vw,80px); align-items:center; }
.concept{
  position:relative; border:1px solid var(--line-dark); background:
    linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,0) 55%), var(--charcoal);
  padding:clamp(1.5rem,3vw,2.5rem); display:flex; align-items:center; justify-content:center;
  aspect-ratio:4/5; overflow:hidden;
}
.concept img{ width:100%; height:100%; object-fit:contain; }
.concept-tag{
  position:absolute; left:0; top:0;
  display:inline-flex; align-items:center; gap:.55rem;
  background:var(--gold); color:var(--ink);
  padding:.5rem .9rem; font-size:.6rem; letter-spacing:.2em; text-transform:uppercase; font-weight:700;
}
.concept-note{
  position:absolute; left:0; right:0; bottom:0;
  padding:.85rem 1rem; border-top:1px solid var(--line-dark);
  background:rgba(10,11,13,.72);
  font-size:.63rem; letter-spacing:.14em; text-transform:uppercase; color:var(--on-dark-muted); text-align:center;
}
/* Spec list */
.spec{ border-top:1px solid var(--line-dark); }
.spec div{
  display:flex; justify-content:space-between; align-items:baseline; gap:1.5rem;
  padding:.95rem 0; border-bottom:1px solid var(--line-dark);
}
.spec dt{ font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; color:var(--on-dark-muted); }
.spec dd{ margin:0; font-size:.98rem; font-weight:600; text-align:right; }
.section--light .spec,.section--light .spec div{ border-color:var(--line-light); }
.section--light .spec dt{ color:var(--on-light-muted); }

/* Quality pathway */
.pathway{ display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:0; border-top:1px solid var(--line-dark); margin-top:clamp(2.5rem,5vw,4rem); }
.path-step{ position:relative; padding:2.25rem 1.25rem 2rem 0; }
.path-step::before{
  content:""; position:absolute; top:-4px; left:0; width:7px; height:7px; border-radius:50%;
  background:var(--gold); transform:scale(0); transition:transform .5s var(--ease);
}
.pathway.is-visible .path-step::before{ transform:scale(1); }
.pathway.is-visible .path-step:nth-child(2)::before{ transition-delay:.09s; }
.pathway.is-visible .path-step:nth-child(3)::before{ transition-delay:.18s; }
.pathway.is-visible .path-step:nth-child(4)::before{ transition-delay:.27s; }
.pathway.is-visible .path-step:nth-child(5)::before{ transition-delay:.36s; }
.pathway.is-visible .path-step:nth-child(6)::before{ transition-delay:.45s; }
.path-step .step-n{ font-size:.62rem; letter-spacing:.2em; color:var(--gold); font-weight:600; }
.path-step h3{ margin-top:.9rem; font-size:.92rem; letter-spacing:.1em; text-transform:uppercase; font-weight:640; }
.path-step p{ margin-top:.6rem; font-size:.85rem; line-height:1.6; color:var(--on-dark-muted); }
.path-step:last-child h3{ color:var(--gold); }

/* Principle chips */
.chips{ display:flex; flex-wrap:wrap; gap:.6rem; }
.chip{
  padding:.6rem 1.05rem; border:1px solid var(--line-dark);
  font-size:.66rem; letter-spacing:.2em; text-transform:uppercase; font-weight:600; color:var(--on-dark-muted);
}
.section--light .chip{ border-color:var(--line-light); color:var(--on-light-muted); }

/* Comparison */
.compare{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:var(--line-dark); border:1px solid var(--line-dark); }
.compare > div{ background:var(--charcoal); padding:clamp(1.75rem,3.2vw,2.75rem); }
.compare h3{
  font-size:.7rem; letter-spacing:.22em; text-transform:uppercase; font-weight:640;
  color:var(--on-dark-muted); padding-bottom:1.25rem; border-bottom:1px solid var(--line-dark); margin-bottom:1.5rem;
}
.compare .jr h3{ color:var(--gold); border-color:rgba(194,161,91,.35); }
.compare li{ font-size:clamp(1.05rem,2vw,1.35rem); font-weight:520; padding:.7rem 0; letter-spacing:-.01em; }
.compare .industry li{ color:var(--on-dark-muted); }
.compare .jr li{ color:var(--on-dark); display:flex; gap:.85rem; align-items:baseline; }
.compare .jr li::before{ content:""; width:5px; height:5px; background:var(--gold); flex:none; transform:translateY(-3px); }
.statement{
  font-size:clamp(1.65rem,4.6vw,3.1rem); line-height:1.08; letter-spacing:-.02em; text-transform:uppercase; font-weight:640;
  max-width:20ch;
}

/* Callout / disclosure box */
.note{
  border-left:2px solid var(--gold); padding:1.1rem 0 1.1rem 1.35rem;
  font-size:.92rem; color:var(--on-dark-muted); max-width:64ch;
}
.section--light .note{ color:var(--on-light-muted); }
.note--red{ border-left-color:var(--red); }
.status-box{
  border:1px solid var(--line-dark); padding:clamp(1.4rem,2.4vw,2rem);
  background:rgba(255,255,255,.02);
}
.status-box h3{ font-size:.7rem; letter-spacing:.22em; text-transform:uppercase; color:var(--gold); font-weight:640; }
.status-box p{ margin-top:.9rem; color:var(--on-dark-muted); font-size:.95rem; }
.section--light .status-box{ border-color:var(--line-light); background:rgba(10,11,13,.02); }
.section--light .status-box p{ color:var(--on-light-muted); }

/* Editorial (long-form) */
.editorial p{ font-size:clamp(1rem,1.3vw,1.12rem); line-height:1.78; color:var(--on-dark-muted); }
.editorial p + p{ margin-top:1.35rem; }
.editorial h2{ margin-top:clamp(2.75rem,5vw,4.25rem); margin-bottom:1.5rem; }
.editorial h2:first-child{ margin-top:0; }
.pull{
  border-top:1px solid var(--line-dark); border-bottom:1px solid var(--line-dark);
  padding:clamp(1.75rem,3vw,2.5rem) 0; margin:clamp(2.5rem,4vw,3.5rem) 0;
  font-size:clamp(1.3rem,2.8vw,1.95rem); line-height:1.25; letter-spacing:-.015em; font-weight:600; color:var(--on-dark);
}
.section--light .pull{ color:var(--on-light); border-color:var(--line-light); }

/* Numbered pillar list (Our Standard) */
.pillar{
  display:grid; grid-template-columns:auto minmax(0,1fr); gap:clamp(1.25rem,4vw,3.5rem);
  padding:clamp(1.75rem,3vw,2.6rem) 0; border-top:1px solid var(--line-dark);
}
.pillar:last-child{ border-bottom:1px solid var(--line-dark); }
.pillar .num{ font-size:.75rem; padding-top:.45rem; }
.pillar p{ margin-top:.9rem; color:var(--on-dark-muted); max-width:62ch; }
.pillar .tagline{ margin-top:1.1rem; font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; color:var(--on-dark-muted); }

/* Future / coming-with-launch tiles */
.future{
  border:1px dashed var(--line-dark-2); padding:clamp(1.5rem,2.6vw,2.2rem);
  display:flex; flex-direction:column; gap:.9rem; min-height:190px; justify-content:space-between;
  background:repeating-linear-gradient(135deg, rgba(255,255,255,.014) 0 10px, transparent 10px 20px);
}
.future h3{ font-size:1.02rem; letter-spacing:.02em; }
.future p{ font-size:.9rem; color:var(--on-dark-muted); }
.future .tag{ font-size:.62rem; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); font-weight:640; }

/* Big CTA band */
.cta-band{ text-align:center; }
.cta-band .display{ max-width:16ch; margin-inline:auto; }
.cta-band .btn-row{ justify-content:center; margin-top:clamp(2rem,4vw,3rem); }

/* 9. FOOTER ---------------------------------------------------------------- */
.site-footer{ background:var(--ink); border-top:1px solid var(--line-dark); padding-top:clamp(56px,7vw,90px); padding-bottom:2.5rem; }
.footer-top{ display:grid; grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr)); gap:clamp(32px,5vw,64px); padding-bottom:clamp(40px,5vw,64px); border-bottom:1px solid var(--line-dark); }
.footer-tag{ margin-top:1.5rem; font-size:clamp(1.1rem,2vw,1.4rem); font-weight:600; letter-spacing:-.01em; max-width:16ch; }
.footer-co{ margin-top:1.5rem; font-size:.8rem; color:var(--on-dark-muted); line-height:1.8; }
.footer-h{ font-size:.66rem; letter-spacing:.22em; text-transform:uppercase; color:var(--gold); font-weight:640; margin-bottom:1.35rem; }
.footer-links li + li{ margin-top:.7rem; }
.footer-links a{ font-size:.9rem; color:var(--on-dark-muted); transition:color .3s var(--ease); }
.footer-links a:hover{ color:var(--on-dark); }
.footer-bottom{
  padding-top:1.75rem; display:flex; flex-wrap:wrap; gap:1rem 2rem; align-items:center; justify-content:space-between;
  font-size:.72rem; letter-spacing:.08em; color:var(--on-dark-muted);
}
.footer-legal{ display:flex; flex-wrap:wrap; gap:1.25rem; }
.footer-legal a:hover{ color:var(--gold); }

/* 10. FORMS ---------------------------------------------------------------- */
.form{ display:grid; gap:1.5rem; }
.field{ display:flex; flex-direction:column; gap:.6rem; }
.field label{ font-size:.68rem; letter-spacing:.2em; text-transform:uppercase; font-weight:640; color:var(--on-dark-muted); }
.field .opt{ color:var(--on-dark-muted); opacity:.7; letter-spacing:.12em; }
.field input,.field select,.field textarea{
  width:100%; background:rgba(255,255,255,.03); color:var(--on-dark);
  border:1px solid var(--line-dark); border-radius:0;
  padding:.95rem 1rem; font-family:inherit; font-size:1rem; line-height:1.5;
  transition:border-color .3s var(--ease), background-color .3s var(--ease);
  appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--gold) 50%),linear-gradient(135deg,var(--gold) 50%,transparent 50%);
  background-position:calc(100% - 20px) calc(1.35rem),calc(100% - 15px) calc(1.35rem);
  background-size:5px 5px,5px 5px; background-repeat:no-repeat;
}
/* Native dropdown menus are rendered by the OS/browser in some environments.
   Force high-contrast options so the open menu remains readable in Windows/Edge. */
.field select option{
  background:#ffffff;
  color:#171717;
}
.field select option:checked{
  background:#d7d0c4;
  color:#171717;
}
.field textarea{ min-height:170px; resize:vertical; }
.field input:hover,.field select:hover,.field textarea:hover{ border-color:var(--line-dark-2); }
.field input:focus,.field select:focus,.field textarea:focus{ border-color:var(--gold); background:rgba(255,255,255,.05); }
.field .hint{ font-size:.78rem; color:var(--on-dark-muted); letter-spacing:0; text-transform:none; }
.form-note{
  border:1px solid var(--line-dark); padding:1rem 1.15rem;
  font-size:.85rem; color:var(--on-dark-muted);
}
.form-status{
  display:none; border-left:2px solid var(--gold); background:rgba(194,161,91,.07);
  padding:1rem 1.25rem; font-size:.92rem; color:var(--on-dark);
}
.form-status.is-shown{ display:block; }
.contact-grid{ display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:clamp(36px,6vw,88px); align-items:start; }
.detail-list div{ padding:1.1rem 0; border-bottom:1px solid var(--line-dark); }
.detail-list dt{ font-size:.66rem; letter-spacing:.2em; text-transform:uppercase; color:var(--gold); font-weight:640; }
.detail-list dd{ margin:.5rem 0 0; font-size:.98rem; color:var(--on-dark); }
.detail-list .placeholder{ color:var(--on-dark-muted); font-size:.85rem; letter-spacing:.06em; }


.detail-list dd a,
.form-note a,
.note a{
  color:var(--on-dark);
  text-decoration-color:var(--gold);
  text-underline-offset:.2em;
}
.detail-list dd a:hover,
.form-note a:hover,
.note a:hover{
  color:var(--gold);
}

/* 11. MOTION --------------------------------------------------------------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.09s; } .reveal.d2{ transition-delay:.18s; } .reveal.d3{ transition-delay:.27s; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important; animation-iteration-count:1 !important;
    transition-duration:.001ms !important; scroll-behavior:auto !important;
  }
  .reveal{ opacity:1; transform:none; }
}

/* 12. RESPONSIVE ----------------------------------------------------------- */
@media (max-width:1080px){
  .pathway{ grid-template-columns:repeat(3,minmax(0,1fr)); }
  .path-step{ padding-right:1rem; }
  .path-step:nth-child(n+4){ border-top:1px solid var(--line-dark); }
}
@media (max-width:960px){
  .nav{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .hero-inner{ grid-template-columns:1fr; align-items:start; gap:2.5rem; }
  .hero-aside{ flex-direction:row; flex-wrap:wrap; align-items:center; gap:1.25rem 2rem; }
  .split,.product-showcase,.contact-grid,.grid-2{ grid-template-columns:1fr; }
  .grid-3,.grid-4{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .footer-top > :first-child{ grid-column:1 / -1; }
}
@media (max-width:720px){
  body{ font-size:1rem; }
  .hero{ min-height:auto; padding-top:calc(var(--header-h) + 3.5rem); }
  .scroll-cue{ display:none; }
  .grid-3,.grid-4{ grid-template-columns:1fr; }
  .pathway{ grid-template-columns:1fr; border-top:0; }
  .path-step{ padding:1.5rem 0 1.5rem 1.5rem; border-top:0; border-left:1px solid var(--line-dark); }
  .path-step::before{ top:1.55rem; left:-4px; }
  .path-step:nth-child(n+4){ border-top:0; }
  .compare{ grid-template-columns:1fr; }
  .btn{ width:100%; justify-content:space-between; }
  .btn-row{ flex-direction:column; align-items:stretch; }
  .cta-band .btn-row{ align-items:stretch; }
  .pillar{ grid-template-columns:1fr; gap:.6rem; }
  .concept{ aspect-ratio:1/1; }
  .spec dd{ font-size:.92rem; }
  .footer-top{ grid-template-columns:1fr; }
}
@media (max-width:420px){
  .brand-suffix{ display:none; }
}

/* Print — clean fallback */
@media print{
  .site-header,.mobile-nav,.nav-toggle,.scroll-cue{ display:none !important; }
  body{ background:#fff; color:#000; }
}

/* ==================== JR LABS V1.1 REFINEMENTS ==================== */
.brand--real{ display:inline-flex; align-items:center; line-height:0; }
.brand-logo{ width:clamp(112px,8.5vw,148px); height:auto; display:block; object-fit:contain; }
.site-footer .brand-logo{ width:150px; }

.hero-concept{
  display:grid;
  grid-template-columns:minmax(150px,.9fr) minmax(170px,1fr);
  align-items:center;
  gap:clamp(18px,2.4vw,34px);
  padding:1.1rem;
  border:1px solid rgba(194,161,91,.18);
  background:linear-gradient(145deg,rgba(255,255,255,.025),rgba(194,161,91,.025));
}
.hero-concept-visual{ position:relative; min-height:330px; display:flex; align-items:flex-end; justify-content:center; overflow:hidden; }
.hero-concept-visual::before{ content:""; position:absolute; inset:8% 6% 5%; background:radial-gradient(circle at 50% 60%,rgba(194,161,91,.16),transparent 54%); filter:blur(14px); }
.hero-concept-visual img{ position:relative; width:min(100%,260px); height:auto; filter:drop-shadow(0 28px 36px rgba(0,0,0,.38)); transform:translateY(6%); }
.concept-kicker{ position:absolute; top:.2rem; left:.2rem; z-index:2; font-size:.56rem; letter-spacing:.22em; text-transform:uppercase; color:var(--gold); }
.hero-concept-copy{ display:flex; flex-direction:column; gap:1.25rem; align-items:flex-start; }
.hero-concept-copy .hero-product{ margin:0; }
.hero-concept-copy .hero-meta{ margin:0; }

.founder-note{ margin:2rem 0 0; padding:1.35rem 1.5rem; border-left:2px solid var(--gold); background:rgba(194,161,91,.06); color:inherit; font-size:clamp(1rem,1.2vw,1.15rem); line-height:1.6; }
.founder-note span{ display:block; margin-top:.75rem; font-size:.65rem; letter-spacing:.18em; text-transform:uppercase; color:var(--gold); font-style:normal; }

.closing-trust{ max-width:760px; margin:2.25rem auto 0; font-size:clamp(1.05rem,1.65vw,1.45rem); line-height:1.45; color:var(--on-dark-muted); }
.closing-trust strong{ color:var(--on-dark); font-weight:650; }

.science-pillar-band{ background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%); color:var(--on-light); }
.science-pillar-band .h2{ max-width:18ch; }
.science-pillars{ border-top:1px solid rgba(10,11,13,.14); }
.science-pillar{ padding:2rem 1.25rem 1rem 0; border-right:1px solid rgba(10,11,13,.12); }
.science-pillar:last-child{ border-right:0; }
.science-pillar>span{ color:var(--gold-deep); font-size:.65rem; letter-spacing:.18em; }
.science-pillar h3{ margin:.85rem 0 .75rem; font-size:clamp(1.3rem,2vw,1.8rem); }
.science-pillar p{ color:var(--on-light-muted); max-width:34ch; line-height:1.7; }

@media (max-width: 980px){
  .hero-concept{ grid-template-columns:1fr 1fr; }
  .hero-concept-visual{ min-height:280px; }
  .brand-logo{ width:124px; }
}
@media (max-width: 720px){
  .hero-concept{ grid-template-columns:1fr; }
  .hero-concept-visual{ min-height:260px; }
  .hero-concept-visual img{ width:min(82%,230px); }
  .science-pillar{ border-right:0; border-bottom:1px solid rgba(10,11,13,.12); padding:1.6rem 0; }
  .science-pillar:last-child{ border-bottom:0; }
  .brand-logo{ width:112px; }
}

/* ==================== JR LABS V1.2 FINAL REFINEMENTS ==================== */
/* Smaller, calmer brand mark in the header; footer remains intentionally larger. */
.site-header .brand-logo{ width:clamp(100px,7.4vw,132px); }
.header-inner{ align-items:center; }

/* Give the hero product more authority without implying final approved packaging. */
.hero-concept{
  grid-template-columns:minmax(180px,1.08fr) minmax(170px,.92fr);
  gap:clamp(16px,2vw,28px);
  padding:.9rem;
}
.hero-concept-visual{ min-height:350px; }
.hero-concept-visual::before{
  inset:5% 2% 2%;
  background:radial-gradient(circle at 50% 58%,rgba(194,161,91,.20),transparent 56%);
}
.hero-concept-visual img{
  width:min(100%,305px);
  filter:brightness(1.08) contrast(1.04) drop-shadow(0 30px 38px rgba(0,0,0,.42));
  transform:translateY(4%);
}

/* Product showcase: retain the concept treatment while improving visual prominence. */
.product-showcase{ grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr); }
.concept{ padding:clamp(1.15rem,2.2vw,2rem); }
.concept img{
  width:106%;
  height:106%;
  max-width:none;
  filter:brightness(1.07) contrast(1.035) drop-shadow(0 24px 34px rgba(0,0,0,.25));
}

@media (max-width:980px){
  .site-header .brand-logo{ width:112px; }
  .hero-concept{ grid-template-columns:1fr 1fr; }
  .hero-concept-visual{ min-height:300px; }
  .hero-concept-visual img{ width:min(100%,270px); }
}
@media (max-width:720px){
  .site-header .brand-logo{ width:102px; }
  .hero{ padding-top:calc(var(--header-h) + 2.75rem); }
  .hero-inner{ gap:2rem; }
  .hero-concept{ grid-template-columns:1fr; padding:.85rem; }
  .hero-concept-visual{ min-height:285px; }
  .hero-concept-visual img{ width:min(88%,250px); transform:translateY(2%); }
  .concept{ aspect-ratio:4/5; padding:1rem; }
  .concept img{ width:104%; height:104%; }
}
@media (max-width:420px){
  .site-header .brand-logo{ width:96px; }
  .hero h1{ margin-bottom:1.4rem; }
  .hero-concept-visual{ min-height:255px; }
  .hero-concept-visual img{ width:min(90%,225px); }
}


/* ==================== JR LABS V1.2.2 PRODUCT CONCEPT RENDER ==================== */
/* Photographic development render replaces the original line-art SVG. */
.concept img[src$="product-concept.webp"]{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 48%;
  filter:brightness(1.02) contrast(1.02);
}
.hero-concept-visual img[src$="product-concept.webp"]{
  width:min(100%,310px);
  height:auto;
  object-fit:contain;
  object-position:center;
  filter:none;
  transform:none;
  border:1px solid rgba(194,161,91,.12);
}
@media (max-width:720px){
  .hero-concept-visual img[src$="product-concept.webp"]{ width:min(92%,270px); }
}