/* ============================================================
   Veriterne — shared design system
   Palette: charcoal / warm paper / signal amber (CTA only)
   + pastel-tech accents (cyan / lilac / mint)
   Type: Space Grotesk (display) · IBM Plex Sans (body) · IBM Plex Mono (labels)
   Aesthetic: technical blueprint grid. Solid amber CTAs only — no ghost buttons.
   ============================================================ */

:root{
  /* brand anchors */
  --charcoal:#15171B;
  --charcoal-2:#1D2026;
  --charcoal-3:#262A31;
  --paper:#F5F3EE;
  --paper-2:#FBFAF6;
  --amber:#E8920C;
  --amber-hi:#FFA92B;
  --amber-deep:#C2770A;

  /* pastel-tech accents */
  --cyan:#86E0E0;
  --lilac:#ADA8F5;
  --mint:#9FE8C8;

  /* ink / surfaces */
  --ink:#15171B;
  --ink-soft:#3C424C;       /* body on paper, AA on --paper */
  --ink-mute:#5A616D;       /* muted, still AA on --paper */
  --on-dark:#F3F4F2;
  --on-dark-soft:#B9BFC9;   /* AA on --charcoal */
  --on-dark-mute:#878E99;

  --line:rgba(21,23,27,.12);
  --line-strong:rgba(21,23,27,.22);
  --line-dark:rgba(255,255,255,.10);
  --line-dark-2:rgba(255,255,255,.16);
  --grid-dark:rgba(134,224,224,.10);     /* blueprint lines on charcoal */
  --grid-light:rgba(21,23,27,.055);      /* blueprint lines on paper */

  --shadow:0 22px 60px -28px rgba(21,23,27,.55);
  --shadow-sm:0 10px 30px -18px rgba(21,23,27,.45);
  --shadow-amber:0 12px 34px -14px rgba(232,146,12,.5);

  --r:14px;
  --r-lg:22px;
  --maxw:1180px;
  --gut:26px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --z-nav:50;
  --z-overlay:40;
}

/* ---------- reset ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink-soft);
  line-height:1.65;
  font-size:17px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4{
  font-family:'Space Grotesk','Space Grotesk',system-ui,sans-serif;
  color:var(--ink);
  font-weight:600;
  line-height:1.06;
  letter-spacing:-.02em;
}
h1{font-size:clamp(2.5rem,6vw,4.4rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem)}
h3{font-size:clamp(1.2rem,1.7vw,1.45rem);letter-spacing:-.01em}
p{max-width:68ch}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
section{position:relative;padding:clamp(64px,9vw,118px) 0;scroll-margin-top:84px}
.section-dark{background:var(--charcoal);color:var(--on-dark)}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:var(--on-dark)}
.section-dark p{color:var(--on-dark-soft)}
.lede{font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-mute);max-width:60ch}
.section-dark .lede{color:var(--on-dark-soft)}

/* eyebrow / mono label */
.eyebrow{
  font-family:'IBM Plex Mono',ui-monospace,monospace;
  font-size:.72rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-mute);display:inline-flex;align-items:center;gap:.6rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber)}
.section-dark .eyebrow{color:var(--cyan)}
.section-dark .eyebrow::before{background:var(--amber)}

/* ---------- blueprint grid backdrop ---------- */
.blueprint{position:relative;isolation:isolate}
.blueprint::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(var(--grid-light) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-light) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 55%,transparent 100%);
          mask-image:radial-gradient(120% 90% at 50% 0%,#000 55%,transparent 100%);
}
.section-dark.blueprint::before,.blueprint.on-dark::before{
  background-image:
    linear-gradient(var(--grid-dark) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-dark) 1px,transparent 1px);
}

/* ---------- buttons (solid only) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:.98rem;
  letter-spacing:.01em;padding:.92rem 1.5rem;border-radius:10px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .15s var(--ease),box-shadow .25s var(--ease),background .2s;
  will-change:transform;text-align:center;line-height:1.1;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--amber);color:#1A1205;box-shadow:var(--shadow-amber)}
.btn-primary:hover{background:var(--amber-hi);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-dark{background:var(--charcoal);color:var(--on-dark)}
.btn-dark:hover{background:var(--charcoal-3);transform:translateY(-2px)}
.btn-light{background:var(--paper);color:var(--ink);border-color:var(--line-strong)}
.btn-light:hover{background:#fff;transform:translateY(-2px)}
.btn-lg{padding:1.05rem 1.9rem;font-size:1.05rem;border-radius:12px}

/* ---------- navbar ---------- */
.nav{
  position:sticky;top:0;z-index:var(--z-nav);
  background:rgba(245,243,238,.82);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-family:'Space Grotesk',sans-serif;
  font-weight:700;font-size:1.22rem;letter-spacing:-.01em;color:var(--ink)}
.brand .mark{width:26px;height:26px;flex:none}
.nav-links{display:flex;align-items:center;gap:.35rem}
.nav-links a{
  font-family:'IBM Plex Sans',sans-serif;font-weight:500;font-size:.96rem;color:var(--ink-soft);
  padding:.5rem .85rem;border-radius:8px;transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--ink);background:rgba(21,23,27,.05)}
.nav-links a.active{color:var(--ink);background:rgba(21,23,27,.06)}
.nav-cta{margin-left:.5rem}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:10px;
  background:transparent;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- footer ---------- */
.footer{background:var(--charcoal);color:var(--on-dark-soft);padding:62px 0 30px}
.footer h4{font-family:'IBM Plex Mono',ui-monospace,monospace;color:var(--cyan);
  font-size:.76rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1.1rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:42px}
.footer a{color:var(--on-dark-soft);transition:color .2s}
.footer a:hover{color:var(--cyan)}
.footer .brand{color:var(--on-dark)}
.footer-col p{font-size:.95rem;max-width:34ch}
.footer-links{display:flex;flex-direction:column;gap:.55rem;font-size:.95rem}
.footer-bottom{margin-top:42px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--on-dark-mute);letter-spacing:.03em}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  padding:30px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--line-strong)}
.section-dark .card{background:var(--charcoal-2);border-color:var(--line-dark)}
.section-dark .card:hover{border-color:var(--line-dark-2)}
.card .idx{font-family:'IBM Plex Mono',monospace;font-size:.78rem;color:var(--amber);letter-spacing:.1em}
.card h3{margin:.7rem 0 .55rem}
.card p{font-size:.97rem;color:var(--ink-mute)}
.section-dark .card p{color:var(--on-dark-soft)}
.icon-chip{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;
  background:var(--charcoal);color:var(--cyan);margin-bottom:14px}
.icon-chip svg{width:23px;height:23px}
.section-dark .icon-chip{background:rgba(134,224,224,.12)}

/* ---------- mono stat ---------- */
.stat{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(2rem,3.4vw,2.7rem);
  color:var(--ink);line-height:1}
.section-dark .stat{color:var(--on-dark)}
.stat-lbl{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-mute);margin-top:.5rem}
.section-dark .stat-lbl{color:var(--on-dark-mute)}

/* ---------- infinite marquee (per infinite-rotation technique) ---------- */
.marquee{overflow:hidden;width:100%;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;width:max-content;animation:marquee 46s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-group{display:flex;align-items:center;flex:none}
.marquee-item{flex:none;padding-right:4.4rem;display:inline-flex;align-items:center;gap:.85rem;
  font-family:'IBM Plex Mono',monospace;font-size:.9rem;letter-spacing:.06em;color:var(--on-dark-soft);white-space:nowrap}
.marquee-item .dot{width:7px;height:7px;border-radius:50%;background:var(--amber);flex:none}
.marquee-item:nth-child(3n+2) .dot{background:var(--cyan)}
.marquee-item:nth-child(3n+3) .dot{background:var(--mint)}
/* track holds two identical groups; move by exactly one group so the loop is seamless */
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- orbiting nodes over blueprint (hero signature) ---------- */
.orbit-field{position:relative;width:min(440px,82vw);aspect-ratio:1/1;margin-inline:auto}
.orbit-core{position:absolute;inset:0;margin:auto;width:118px;height:118px;border-radius:24px;
  display:grid;place-items:center;background:linear-gradient(150deg,var(--charcoal-2),var(--charcoal));
  border:1px solid var(--line-dark-2);box-shadow:var(--shadow);z-index:3}
.orbit-core svg{width:52px;height:52px;color:var(--amber)}
.orbit-ring{position:absolute;inset:0;margin:auto;border:1px dashed var(--line-dark);border-radius:50%}
.orbit-ring.r1{width:55%;height:55%}
.orbit-ring.r2{width:78%;height:78%}
.orbit-ring.r3{width:100%;height:100%}
.spin{animation:spin var(--dur,26s) linear infinite}
.spin-rev{animation:spin var(--dur,26s) linear infinite reverse}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.node{position:absolute;top:50%;left:50%;width:46px;height:46px;margin:-23px 0 0 -23px;
  border-radius:13px;display:grid;place-items:center;background:var(--charcoal-2);
  border:1px solid var(--line-dark-2);color:var(--cyan);box-shadow:var(--shadow-sm)}
.node svg{width:21px;height:21px}
.node.n-amber{color:var(--amber)} .node.n-lilac{color:var(--lilac)} .node.n-mint{color:var(--mint)}
.node-inner{animation:spin var(--dur,26s) linear infinite reverse;display:grid;place-items:center}
.spin-rev .node-inner{animation-direction:normal}

/* ---------- stroked outline headline (used ONCE) ---------- */
.stroke-head{position:relative;display:inline-block;color:var(--ink);isolation:isolate;letter-spacing:-.018em}
.stroke-head[data-content]::after{
  content:attr(data-content);position:absolute;left:0;top:0;z-index:-1;
  -webkit-text-stroke:1.2px var(--amber);color:transparent;
  transform:translate(.05em,.06em);pointer-events:none;
}
.section-dark .stroke-head{color:var(--on-dark)}
.section-dark .stroke-head[data-content]::after{-webkit-text-stroke:1.2px var(--cyan)}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);
  transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* ---------- horizontal slide-in (services: text vs cards) ---------- */
.slide-l,.slide-r{opacity:0;transition:opacity .75s var(--ease),transform .75s var(--ease)}
.slide-l{transform:translateX(-48px)}
.slide-r{transform:translateX(48px)}
.slide-l.in,.slide-r.in{opacity:1;transform:none}
.slide-l[data-d="1"],.slide-r[data-d="1"]{transition-delay:.14s}
.slide-l[data-d="2"],.slide-r[data-d="2"]{transition-delay:.28s}

/* ---------- deal-out grid (cards dealt from a pile into the grid) ---------- */
.deal .card{opacity:0;transform:translate(-26px,-34px) rotate(-6deg) scale(.92);
  transform-origin:top left;
  transition:opacity .5s var(--ease),transform .6s var(--ease)}
.deal.in .card{opacity:1;transform:none;transform:translate(0,0) rotate(0) scale(1)}
.deal.in .card:nth-child(1){transition-delay:.04s}
.deal.in .card:nth-child(2){transition-delay:.13s}
.deal.in .card:nth-child(3){transition-delay:.22s}
.deal.in .card:nth-child(4){transition-delay:.31s}
.deal.in .card:nth-child(5){transition-delay:.40s}
.deal.in .card:nth-child(6){transition-delay:.49s}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.15rem}
.field label{font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-soft)}
.field .req{color:var(--amber-deep)}
.field input,.field textarea,.field select{
  font-family:'IBM Plex Sans',sans-serif;font-size:1rem;color:var(--ink);
  background:var(--paper-2);border:1.5px solid var(--line-strong);border-radius:10px;
  padding:.8rem .95rem;transition:border-color .2s,box-shadow .2s;width:100%}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(232,146,12,.18)}
.field .err{font-size:.82rem;color:#B42318;min-height:1.1em;display:none}
.field.invalid input,.field.invalid textarea{border-color:#B42318}
.field.invalid .err{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:.86rem;color:var(--ink-mute);margin-top:.4rem}
.form-success{display:none;padding:16px 18px;border-radius:12px;background:rgba(159,232,200,.28);
  border:1px solid var(--mint);color:#0E5A3C;font-weight:500;margin-top:.4rem}
.form-success.show{display:block}

/* ---------- misc utilities ---------- */
.hero-compact{padding-top:clamp(40px,5vw,62px)!important;padding-bottom:clamp(40px,5vw,62px)!important}
.hero-compact h1{font-size:clamp(2rem,4.2vw,3.1rem)}
.source-note{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:.74rem;letter-spacing:.02em;
  color:var(--ink-mute);margin-top:1.8rem;line-height:1.6}
.section-dark .source-note{color:var(--on-dark-mute)}
.source-note a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.source-note a:hover{color:var(--amber-deep)}
.section-dark .source-note a:hover{color:var(--cyan)}
.center{text-align:center}
.center .lede,.center p{margin-inline:auto}
.center .eyebrow{justify-content:center}
.mt-s{margin-top:1.2rem}.mt-m{margin-top:2rem}.mt-l{margin-top:3rem}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.center .cta-row{justify-content:center}
.pill{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .85rem;border-radius:100px;
  font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(21,23,27,.05);border:1px solid var(--line);color:var(--ink-soft)}
.section-dark .pill{background:rgba(255,255,255,.06);border-color:var(--line-dark);color:var(--on-dark-soft)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.accent-cyan{color:var(--cyan)} .accent-amber{color:var(--amber-deep)}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--amber);color:#1A1205;
  padding:.7rem 1.1rem;border-radius:0 0 10px 0;font-weight:600}
.skip:focus{left:0}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .cols-3{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  /* collapse inline two-column section grids on smaller screens (beats inline styles) */
  .split2{grid-template-columns:1fr!important;gap:32px!important}
  .hero-grid{grid-template-columns:1fr!important;gap:34px!important}
}
@media(max-width:760px){
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--gut) 18px;
    transform:translateY(-130%);transition:transform .32s var(--ease);box-shadow:var(--shadow-sm)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:.85rem .4rem;border-radius:8px;border-bottom:1px solid var(--line)}
  .nav-links a:last-of-type{border-bottom:0}
  .nav-cta{margin:.6rem 0 0}
  .nav-cta .btn{width:100%}
  .hamburger{display:flex}
  .cols-2,.cols-3{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr}
  body{font-size:16px}
}
@media(max-width:420px){
  :root{--gut:18px}
}

/* ---------- reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal,.slide-l,.slide-r{opacity:1;transform:none}
  .deal .card{opacity:1;transform:none}
  .marquee-track{animation:none;justify-content:center}
  .spin,.spin-rev,.node-inner{animation:none}
}