/* ═══════════════════════════════════════════════════════════
   JN Solutions
   Concept  — a services page written like a system specification
   Type     — Archivo (display/text) + JetBrains Mono (metadata). Two faces, C1.
   Colour   — near-black + warm signal orange + neutrals. Two colours, C2.
   Motion   — two easings, two durations. See main.js.
   ═══════════════════════════════════════════════════════════ */

:root{
  --ink:#0B0B0D;          /* near-black, not #000 — stops blacks crushing */
  --paper:#E9E7E2;        /* warm off-white, paper not screen */
  --accent:#FF5C1A;       /* the only accent. deliberately not IT-blue. */
  --muted:#77777E;
  --hair:#212127;

  --pad:clamp(1.25rem,4.5vw,4.5rem);
  --rail:13.5rem;

  --ease-in:cubic-bezier(.16,1,.3,1);      /* entrances  ≈ power3.out  */
  --ease-move:cubic-bezier(.76,0,.24,1);   /* transitions ≈ power4.inOut */
  --fast:.35s;
  --slow:.9s;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }

html,body{overflow-x:clip}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:Archivo,system-ui,-apple-system,sans-serif;
  font-size:1.0625rem;
  line-height:1.55;
  font-synthesis-weight:none;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.04em;line-height:.88;text-wrap:balance}
/* SplitText sizes each line mask to the element's box. `text-wrap: balance`
   shrinks that box to balance the lines, so the masks end up narrower than the
   longest word and clip it mid-letter. Never balance text you are going to split. */
.reveal-text,.reveal-text h1,.reveal-text h2,.reveal-text h3{text-wrap:initial}
h3{font-size:1.375rem;letter-spacing:-.02em;line-height:1.15;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
b{font-weight:700}

::selection{background:var(--accent);color:var(--ink)}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:4px;
  border-radius:1px;
}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip{position:absolute;left:var(--pad);top:-4rem;z-index:100;
  background:var(--accent);color:var(--ink);padding:.6rem 1rem;font-weight:700;
  transition:top var(--fast) var(--ease-move)}
.skip:focus{top:1rem}

/* ── monospace metadata — the second voice ─────────────────── */
.meta{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:.6875rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  display:flex;flex-wrap:wrap;gap:.65rem;
}
.meta b{color:var(--accent);font-weight:500}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.8125rem;letter-spacing:-.01em}

/* ── top bar ──────────────────────────────────────────────── */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
  padding:1.1rem var(--pad);
  background:color-mix(in srgb,var(--ink) 82%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--fast) var(--ease-move);
}
.topbar.is-scrolled{border-bottom-color:var(--hair)}

.wordmark{display:flex;align-items:baseline;gap:.4rem;font-weight:800;
  letter-spacing:-.03em;font-size:1rem}
.wordmark__dot{width:5px;height:5px;background:var(--accent);border-radius:50%;
  transform:translateY(-1px)}
.wordmark__rest{font-weight:500;letter-spacing:.02em;color:var(--muted);font-size:.8125rem}

.topnav{display:flex;align-items:center;gap:1.75rem;
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.75rem;
  letter-spacing:.08em;text-transform:uppercase}
.topnav a{color:var(--muted);transition:color var(--fast) var(--ease-move)}
.topnav a:hover{color:var(--paper)}
.topnav__cta{color:var(--paper)!important}
.topnav__cta span{display:inline-block;transition:transform var(--fast) var(--ease-move)}
.topnav__cta:hover span{transform:translateX(4px)}
.topnav__cta:hover{color:var(--accent)!important}
@media (max-width:760px){ .topnav a:not(.topnav__cta){display:none} }



/* ── view dock ────────────────────────────────────────────────
   One control, one place, on every view. Bottom-right so it never
   competes with the nav, and fixed so it is reachable from anywhere.
   Press V to cycle. */
.viewdock{
  position:fixed;right:var(--pad);bottom:1.25rem;z-index:60;
  display:flex;align-items:stretch;
  background:color-mix(in srgb,var(--ink) 88%,transparent);
  backdrop-filter:blur(14px);
  border:1px solid var(--hair);
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:.6875rem;letter-spacing:.09em;text-transform:uppercase;
  box-shadow:0 6px 28px rgba(0,0,0,.35);
}
.viewdock__label{
  display:flex;align-items:center;padding:.42rem .7rem;
  color:var(--muted,var(--dim));border-right:1px solid var(--hair);
}
.viewdock__label b{color:var(--paper);font-weight:400;margin-left:.4rem}
.viewdock a{
  display:flex;align-items:center;padding:.42rem .75rem;
  color:var(--muted,var(--dim));border-right:1px solid var(--hair);
  text-decoration:none;white-space:nowrap;
  transition:color .35s cubic-bezier(.76,0,.24,1),background .35s cubic-bezier(.76,0,.24,1);
}
.viewdock a span{margin-left:.42em}   /* flex items collapse the source space */
.viewdock a:last-child{border-right:0}
.viewdock a:hover{color:var(--paper)}
.viewdock a[aria-current="page"]{background:var(--accent);color:var(--ink)}
.viewdock kbd{display:flex;align-items:center;padding:0 .6rem;opacity:.55;
  border:0;border-left:1px solid var(--hair);border-radius:0;font-size:.9em;
  font-family:inherit;color:inherit}

@media (max-width:760px){
  .viewdock{right:.75rem;bottom:.75rem;font-size:.625rem}
  .viewdock__label,.viewdock kbd{display:none}
  .viewdock a{padding:.4rem .6rem}
}
@media (prefers-reduced-motion:reduce){ .viewdock a{transition:none} }

/* ── specification rail ───────────────────────────────────── */
.rail{
  position:fixed;left:var(--pad);top:50%;transform:translateY(-50%);z-index:40;
  width:var(--rail);padding-left:1.1rem;
  border-left:1px solid var(--hair);
}
.rail__progress{position:absolute;left:-1px;top:0;width:1px;height:0;
  background:var(--accent);
  transition:transform var(--fast) var(--ease-move),height var(--fast) var(--ease-move)}
@media (prefers-reduced-motion:reduce){ .rail__progress{transition:none} }
.rail__list{margin:0;padding:0;list-style:none;
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.6875rem;
  letter-spacing:.1em;text-transform:uppercase}
.rail__list li{display:flex;gap:.75rem;padding:.42rem 0;color:#4A4A52;
  transition:color var(--fast) var(--ease-move)}
.rail__list li i{font-style:normal;opacity:.55}
.rail__list li.is-active{color:var(--paper)}
.rail__list li.is-active i{color:var(--accent);opacity:1}
@media (max-width:1220px){ .rail{display:none} }

/* ── layout ───────────────────────────────────────────────── */
main{padding-left:0}
@media (min-width:1221px){
  main,.contact{padding-left:calc(var(--rail) + var(--pad) + 2.5rem)}
}

.section,.hero,.contact{padding-inline:var(--pad)}
.section{position:relative;padding-block:clamp(6rem,13vw,12rem)}

/* full-bleed hairline that draws itself — the motion signature */
.rule{position:absolute;top:0;left:0;right:0;height:1px;background:var(--hair);
  transform:scaleX(0);transform-origin:left}
@media (prefers-reduced-motion:reduce){ .rule{transform:none} }

.section__head{max-width:70ch;margin-bottom:clamp(3rem,6vw,5.5rem)}
.section__title{font-size:clamp(2.25rem,6vw,5rem);margin-top:1.4rem}
.section__note{margin-top:1.5rem;max-width:52ch;color:var(--muted);font-size:.9375rem}

/* ── hero ─────────────────────────────────────────────────── */
.hero{min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding-block:9rem clamp(3rem,7vw,6rem);
  container-type:inline-size}          /* size the display type to the CONTENT box, not the viewport —
                                          the rail eats ~16rem and vw units do not know that */
.hero__meta{margin-bottom:2.5rem}
.hero__title{font-size:clamp(2.75rem,13.2cqw,11rem)}
.hero__title .ln{display:block;overflow:clip}
.hero__title em{font-style:normal;color:var(--accent)}

.hero__foot{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:2.5rem;margin-top:clamp(2.5rem,6vw,5rem)}
.lede{max-width:58ch;font-size:clamp(1rem,1.35vw,1.1875rem);color:#B6B4AE}

.arrow-link{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6rem;
  padding-bottom:.35rem;border-bottom:1px solid var(--hair);
  transition:color var(--fast) var(--ease-move),border-color var(--fast) var(--ease-move);
}
.arrow-link span{display:inline-block;transition:transform var(--fast) var(--ease-move)}
.arrow-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.arrow-link:hover span{transform:translateX(5px)}

/* ── 01 spec list ─────────────────────────────────────────── */
.spec{list-style:none;margin:0;padding:0;border-top:1px solid var(--hair)}
.spec__item{
  display:grid;grid-template-columns:5.5rem 1fr;gap:.5rem 2rem;
  padding:2rem 0;border-bottom:1px solid var(--hair);
  transition:background var(--fast) var(--ease-move);
}
.spec__item p{grid-column:2;max-width:62ch;color:var(--muted);margin-top:.6rem;font-size:.9375rem}
.spec__no{align-self:start;padding-top:.35rem}
@media (min-width:900px){
  .spec__item{grid-template-columns:5.5rem 22rem 1fr;align-items:start}
  .spec__item p{grid-column:3;margin-top:.3rem}
}
@media (max-width:899px){
  .spec__item{grid-template-columns:4.5rem 1fr}
}

/* ── 02 work table ────────────────────────────────────────── */
.table-scroll{overflow-x:auto;margin-inline:calc(var(--pad) * -1);padding-inline:var(--pad)}
.work{width:100%;border-collapse:collapse;text-align:left;
  font-size:.9375rem;min-width:52rem}
.work th{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:500;
  padding:0 1.5rem .9rem 0;border-bottom:1px solid var(--hair);
}
.work td{padding:1.4rem 1.5rem 1.4rem 0;border-bottom:1px solid var(--hair);
  vertical-align:top}
.work .num{font-variant-numeric:tabular-nums}
.work tbody td:nth-child(2){font-weight:500}
.work tbody td:nth-child(3),.work tbody td:nth-child(5){color:#B6B4AE}
.work td.mono{color:var(--muted)}
.work tbody tr{transition:background var(--fast) var(--ease-move)}
.work tbody tr:hover{background:#131318}
.work tbody tr:hover td:nth-child(5) b{color:var(--accent)}
.work b{font-variant-numeric:tabular-nums;transition:color var(--fast) var(--ease-move)}
.section .arrow-link{margin-top:2.5rem}

/* ── 03 process ───────────────────────────────────────────── */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--hair);
  border-block:1px solid var(--hair)}
.steps li{background:var(--ink);padding:2.25rem 1.75rem 2.5rem;
  transition:background var(--fast) var(--ease-move)}
.steps li:hover{background:#131318}
.steps h3{margin:1.1rem 0 .8rem}
.steps p{color:var(--muted);font-size:.9375rem;max-width:34ch}
@media (min-width:760px){ .steps{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1100px){ .steps{grid-template-columns:repeat(4,1fr)} }

/* ── 04 stack ─────────────────────────────────────────────── */
.stack{display:grid;gap:2.5rem 2rem;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.stack__col ul{list-style:none;margin:1.1rem 0 0;padding:0;
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.875rem;
  letter-spacing:-.01em;line-height:2}
.stack__col li{color:#B6B4AE;border-bottom:1px solid var(--hair);padding-bottom:.15rem}

/* ── 05 contact ───────────────────────────────────────────── */
.contact{position:relative;padding-block:clamp(6rem,12vw,11rem) 3rem;
  container-type:inline-size}
.contact__lede{max-width:44ch;font-size:clamp(1.125rem,2vw,1.5rem);
  line-height:1.4;margin:2rem 0 clamp(3rem,7vw,5rem);text-wrap:pretty}
.contact__mail{
  display:inline-block;font-weight:800;letter-spacing:-.045em;line-height:1;
  font-size:clamp(1.5rem,7.4cqw,5.5rem);
  transition:color var(--fast) var(--ease-move);
  overflow-wrap:anywhere;
}
.contact__mail:hover{color:var(--accent)}

.contact__grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  margin-top:clamp(4rem,9vw,7rem);padding-top:2.5rem;border-top:1px solid var(--hair)}
.contact__grid p:not(.meta){margin-top:.9rem;font-size:.9375rem;color:#B6B4AE;line-height:1.7}
.contact__grid a{border-bottom:1px solid transparent;transition:color var(--fast) var(--ease-move),
  border-color var(--fast) var(--ease-move)}
.contact__grid a:hover{color:var(--accent);border-bottom-color:var(--accent)}

.contact__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  margin-top:5rem;padding-top:1.5rem;border-top:1px solid var(--hair)}

/* ── 404 ──────────────────────────────────────────────────── */
.nf{min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:8rem var(--pad) 4rem}
.nf__code{font-size:clamp(5rem,26vw,20rem);line-height:.8;letter-spacing:-.05em;
  font-weight:800;color:var(--accent)}
.nf__body{max-width:46ch;margin:2.5rem 0 3rem;color:#B6B4AE}