/* ============================================================
   NORTHEON - site styles (built on tokens/northeon.css)
   Quiet, precise, institutional. One signal blue.
   ============================================================ */

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important} }
img, svg { max-width: 100%; display: block; }
body { font-size: var(--nh-text-body); }

h1,h2,h3,h4 { font-family: var(--nh-font-sans); font-weight: 600; color: var(--nh-ink); margin: 0 0 .5em; letter-spacing: -0.03em; line-height: 1.05; text-wrap: balance; }
h1 { font-size: var(--nh-text-h1); letter-spacing: -0.035em; }
h2 { font-size: var(--nh-text-h2); }
h3 { font-size: var(--nh-text-h3); letter-spacing: -0.02em; }
h4 { font-size: var(--nh-text-title); letter-spacing: -0.015em; }
p { margin: 0 0 1em; }
strong { font-weight: 600; }
:focus-visible { outline: 2px solid var(--nh-signal); outline-offset: 2px; border-radius: var(--nh-radius-sm); }

.container { max-width: var(--nh-container); margin-inline: auto; padding-inline: clamp(24px, 4vw, 48px); }
.container-wide { max-width: 1320px; margin-inline: auto; padding-inline: 24px; }
.section { padding-block: clamp(64px, 9vw, 128px); }
.section-sm { padding-block: clamp(48px, 6vw, 80px); }

.kicker { display: inline-flex; align-items: center; gap: 10px; font-family: var(--nh-font-mono); font-size: var(--nh-text-label); font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--nh-text-faint); margin: 0 0 20px; }
.kicker .num { color: var(--nh-signal); }
.kicker.on-dark { color: var(--nh-on-dark-muted); } .kicker.on-dark .num { color: #fff; }

.lead { font-size: 17px; line-height: 1.62; color: var(--nh-text-muted); max-width: 620px; text-wrap: pretty; }
.muted { color: var(--nh-text-muted); }
.faint { color: var(--nh-text-faint); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head.center { margin-inline: auto; }
.display { font-size: var(--nh-text-display); font-weight: 600; letter-spacing: -0.04em; line-height: 1.0; text-wrap: balance; color: var(--nh-ink); margin: 0 0 24px; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 7px; font-family: var(--nh-font-sans); font-size: 14px; font-weight: 500; letter-spacing: -0.01em; padding: 9px 18px; border-radius: 9px; border: 1px solid transparent; cursor: pointer; transition: background .16s ease, color .16s ease, border-color .16s ease, transform .16s ease, box-shadow .16s ease; white-space: nowrap; }
.btn .arr { transition: transform .16s ease; }
.btn:hover .arr { transform: translateX(3px); }
.btn-primary { background: var(--nh-signal); color: #fff; }
.btn-primary:hover { background: var(--nh-signal-600); color: #fff; box-shadow: var(--nh-shadow-md); }
.btn-secondary { background: var(--nh-surface); color: var(--nh-ink); border-color: var(--nh-line); }
.btn-secondary:hover { background: var(--nh-wash); border-color: #ddd9d4; color: var(--nh-ink); }
.btn-ghost { background: transparent; color: var(--nh-ink); }
.btn-ghost:hover { background: var(--nh-wash); }
.btn.on-dark-primary { background: #fff; color: var(--nh-ink); }
.btn.on-dark-primary:hover { background: #fff; box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.btn.on-dark-secondary { background: transparent; color: var(--nh-on-dark); border-color: rgba(255,255,255,.24); }
.btn.on-dark-secondary:hover { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-lg { padding: 12px 22px; font-size: 15px; }

.link { color: var(--nh-signal); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.link .arr { transition: transform .16s ease; } .link:hover { color: var(--nh-signal-600); } .link:hover .arr { transform: translateX(3px); }
.link.on-dark { color: #fff; } .link.on-dark:hover { color: var(--nh-on-dark-muted); }

/* ---- Header (dark, premium) ---- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(17,17,17,.72); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav { display: flex; align-items: center; height: 74px; gap: 18px; }
.nav .logo { margin-right: auto; display: inline-flex; align-items: center; height: 100%; }
.nav .logo img { height: 34px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 14.5px; color: var(--nh-on-dark-muted); padding: 8px 14px; border-radius: var(--nh-radius-sm); }
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.07); }
.nav-links a.active { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-cta .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.22); }
.nav-cta .btn-secondary:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid rgba(255,255,255,.25); border-radius: var(--nh-radius-sm); width: 44px; height: 40px; cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle svg { width: 20px; height: 20px; stroke: #fff; }
.mobile-menu { display: none; }
@media (max-width: 960px){
  .nav-links, .nav-cta .btn-secondary { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu.open { display: block; }
  .mobile-menu { border-bottom: 1px solid rgba(255,255,255,.08); background: var(--nh-ink); padding: 12px 0 20px; }
  .mobile-menu a { display: block; padding: 13px 24px; font-size: 16px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
  .mobile-menu .btn { margin: 16px 24px 0; }
}

/* ---- Hero (photographic, covers header) ---- */
.hero { position: relative; overflow: hidden; color: var(--nh-on-dark);
  background:
    linear-gradient(92deg, rgba(20,20,20,.95) 0%, rgba(22,22,22,.84) 44%, rgba(24,24,24,.55) 100%),
    url('../img/truck-highway.jpg') center / cover no-repeat,
    var(--nh-ink-deep);
  padding-block: clamp(88px, 11vw, 152px); border-bottom: 1px solid rgba(255,255,255,.08); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background:
  radial-gradient(60% 55% at 82% -8%, rgba(31,79,190,.5), transparent 58%),
  radial-gradient(50% 60% at 6% 108%, rgba(61,105,216,.18), transparent 60%),
  linear-gradient(180deg, transparent 70%, rgba(13,13,14,.55) 100%); }
.hero::after { content: ""; position: absolute; inset: 0; opacity: .22; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(70% 60% at 60% 0%, #000, transparent 72%); mask-image: radial-gradient(70% 60% at 60% 0%, #000, transparent 72%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero .display { color: #fff; font-size: clamp(31px, 4vw, 52px); letter-spacing: -0.035em; max-width: 20ch; line-height: 1.06; }
.hero .lead { margin-bottom: 32px; font-size: 18px; max-width: 40ch; color: var(--nh-on-dark-muted); }
.hero .kicker { color: var(--nh-on-dark-muted); }
.hero .kicker .num { color: var(--nh-signal-300); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .ui-card { box-shadow: 0 40px 90px -30px rgba(0,0,0,.75); }
.hero-foot { margin-top: 34px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--nh-on-dark-muted); }
.hero-foot .sep { width: 4px; height: 4px; border-radius: 50%; background: var(--nh-signal-300); }
@media (max-width: 900px){ .hero-grid { grid-template-columns: 1fr; gap: 36px; } .hero-illus-wrap { order: 0; } }

/* proof / metric band */
.proof { display: flex; flex-wrap: wrap; gap: 12px 40px; align-items: baseline; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--nh-line); }
.proof .metric { display: flex; flex-direction: column; gap: 2px; }
.proof .metric .v { font-size: 30px; font-weight: 600; letter-spacing: -0.03em; color: var(--nh-ink); }
.proof .metric .v .u { color: inherit; }
.proof .metric .l { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--nh-text-faint); }

/* ---- Cards / grid ---- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 980px){ .grid-3,.grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } }

.card { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: var(--nh-radius-lg); box-shadow: var(--nh-shadow-sm); padding: 28px; }
.card.hover { transition: box-shadow .16s ease, transform .16s ease, border-color .16s ease; }
.card.hover:hover { box-shadow: var(--nh-shadow-md); transform: translateY(-2px); border-color: #e3ded8; }
.card .knum { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .14em; color: var(--nh-signal); text-transform: uppercase; }
.card h3 { margin: 14px 0 8px; font-size: var(--nh-text-title); }
.card p { color: var(--nh-text-muted); font-size: 15px; line-height: 1.55; margin: 0; }

.iconchip { width: 44px; height: 44px; border-radius: var(--nh-radius); background: var(--nh-signal-tint); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.iconchip svg { width: 22px; height: 22px; stroke: var(--nh-signal); fill: none; stroke-width: 1.6; }

/* badges */
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; padding: 6px 12px; border-radius: var(--nh-radius-pill); border: 1px solid var(--nh-line); background: var(--nh-surface); color: var(--nh-text-muted); }
.badge.wash { background: var(--nh-wash); border-color: transparent; }
.badge.signal { background: var(--nh-signal-tint); border-color: transparent; color: var(--nh-signal-600); }

/* ---- Capability feature rows ---- */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.feature + .feature { margin-top: clamp(64px, 9vw, 120px); }
.feature.rev .feature-text { order: 2; }
.feature-illus { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: var(--nh-radius-xl); padding: 24px; box-shadow: var(--nh-shadow-sm); }
.feature-illus img { width: 100%; height: auto; }
@media (max-width: 900px){ .feature { grid-template-columns: 1fr; gap: 32px; } .feature.rev .feature-text { order: 0; } }
.flist { list-style: none; margin: 22px 0 0; padding: 0; }
.flist li { display: flex; gap: 12px; padding: 11px 0; border-top: 1px solid var(--nh-line); font-size: 15px; color: var(--nh-text); }
.flist li:first-child { border-top: none; }
.flist .tk { flex: 0 0 auto; width: 20px; height: 20px; margin-top: 1px; color: var(--nh-signal); }
.flist .tk svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ---- Ink section ---- */
.ink { background: var(--nh-ink); color: var(--nh-on-dark); }
.ink h1,.ink h2,.ink h3,.ink h4 { color: var(--nh-on-dark); }
.ink .lead, .ink .muted { color: var(--nh-on-dark-muted); }
.ink .card { background: var(--nh-ink-2); border-color: rgba(255,255,255,.12); }
.ink .card p { color: var(--nh-on-dark-muted); }
.ink .badge { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: var(--nh-on-dark-muted); }
.hairline-dark { border-color: rgba(255,255,255,.12) !important; }

/* stat band (ink) */
.statband { background: var(--nh-ink); color: var(--nh-on-dark); }
.statrow { display: grid; grid-template-columns: repeat(4,1fr); }
.statrow .s { padding: 40px 28px; border-right: 1px solid rgba(255,255,255,.12); }
.statrow .s:last-child { border-right: none; }
.statrow .s .v { font-size: clamp(34px,4vw,46px); font-weight: 600; letter-spacing: -0.035em; line-height: 1; }
.statrow .s .v .u { color: inherit; }
.statrow .s .l { color: var(--nh-on-dark-muted); font-size: 14px; margin-top: 10px; }
@media (max-width:760px){ .statrow { grid-template-columns: repeat(2,1fr);} .statrow .s:nth-child(2){border-right:none} .statrow .s:nth-child(1),.statrow .s:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12)} }

/* loop / steps */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
@media (max-width:860px){ .steps { grid-template-columns: repeat(2,1fr);} }
@media (max-width:520px){ .steps { grid-template-columns: 1fr;} }
.step { padding-top: 18px; border-top: 2px solid var(--nh-ink); }
.step .ph { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--nh-signal); }
.step h4 { margin: 12px 0 6px; } .step p { color: var(--nh-text-muted); font-size: 14px; margin: 0; }

/* alt section */
.alt { background: var(--nh-wash); border-block: 1px solid var(--nh-line); }
.surface-section { background: var(--nh-surface); border-block: 1px solid var(--nh-line); }

/* photo band */
.photoband { position: relative; min-height: 420px; background: var(--nh-ink) center/cover no-repeat; display: flex; align-items: flex-end; }
.photoband::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(20,18,16,.2) 0%, rgba(20,18,16,.78) 100%); }
.photoband .pb-inner { position: relative; z-index: 1; padding: 56px 0; color: #fff; }
.photoband .pb-inner h2 { color: #fff; max-width: 18ch; }
.photo-card { border-radius: var(--nh-radius-xl); overflow: hidden; border: 1px solid var(--nh-line); background: var(--nh-wash); aspect-ratio: 4/3; background-size: cover; background-position: center; }

/* CTA strip */
.cta { background: var(--nh-ink); color: var(--nh-on-dark); border-radius: var(--nh-radius-xl); padding: clamp(36px,5vw,64px); }
.cta h2 { color: #fff; max-width: 20ch; }
.cta .lead { color: var(--nh-on-dark-muted); }
/* responsive two-column splits (CTA + contact) */
.cta-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.contact-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
@media (max-width: 780px){ .cta-split { grid-template-columns: 1fr; gap: 22px; } .contact-split { grid-template-columns: 1fr; gap: 40px; } }

/* ---- Form ---- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width:560px){ .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: 13px; color: var(--nh-text-muted); margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; font-family: var(--nh-font-sans); font-size: 15px; color: var(--nh-ink); padding: 12px 14px; border: 1px solid var(--nh-line); border-radius: var(--nh-radius); background: var(--nh-surface); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--nh-signal); box-shadow: 0 0 0 3px var(--nh-signal-tint); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--nh-text-faint); }
/* honeypot: hidden from humans, present for bots */
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 1px; width: 1px; overflow: hidden; }
.form-success { display: none; background: var(--nh-signal-tint); border: 1px solid #cfd9f3; border-radius: var(--nh-radius-lg); padding: 24px; }
.form-success.show { display: block; }

/* ---- Footer ---- */
.site-footer { background: var(--nh-ink); color: var(--nh-on-dark); padding: 72px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.12); }
@media (max-width:820px){ .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width:480px){ .footer-grid { grid-template-columns: 1fr; } }
.footer-brand img { height: 26px; margin-bottom: 16px; }
.footer-brand p { color: var(--nh-on-dark-muted); font-size: 14px; max-width: 30ch; }
.footer-grid h5 { font-family: var(--nh-font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--nh-on-dark-muted); margin: 0 0 16px; font-weight: 500; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: #fff; font-size: 14px; opacity: .82; }
.footer-grid a:hover { opacity: 1; color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 26px; font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--nh-on-dark-muted); }

/* page head (dark, premium) */
.page-head { position: relative; overflow: hidden; background: var(--nh-ink); color: var(--nh-on-dark); padding-block: clamp(64px,8vw,108px) clamp(44px,5vw,64px); border-bottom: 1px solid rgba(255,255,255,.08); }
.page-head::before { content: ""; position: absolute; inset: 0; pointer-events: none; background:
  radial-gradient(64% 70% at 82% -10%, rgba(31,79,190,.5), transparent 60%); }
.page-head::after { content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(70% 70% at 78% 0%, #000, transparent 72%); mask-image: radial-gradient(70% 70% at 78% 0%, #000, transparent 72%); }
.page-head > .container { position: relative; z-index: 1; }
.page-head h1, .page-head .display { color: #fff; }
.page-head .lead { color: var(--nh-on-dark-muted); }
.page-head .kicker { color: var(--nh-on-dark-muted); }
.page-head .kicker .num { color: var(--nh-signal-300); }
.page-head .badges .badge { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); color: var(--nh-on-dark-muted); }
.page-head .badges .badge:hover { color: #fff; border-color: rgba(255,255,255,.35); }
.breadcrumb { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--nh-on-dark-muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--nh-on-dark-muted); } .breadcrumb a:hover { color: #fff; }

/* reveal */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---- Home: transparent header overlaying the hero photo ---- */
.home .site-header { position: fixed; top: 0; left: 0; right: 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease; }
.home .site-header.scrolled { background: rgba(22,22,22,.82); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px); border-bottom: 1px solid rgba(255,255,255,.08); }
.home .hero { padding-top: clamp(140px, 15vw, 208px); padding-bottom: clamp(84px, 10vw, 148px); }
/* sub-pages: transparent header blends into the dark page hero */
.subpage .site-header { position: fixed; top: 0; left: 0; right: 0; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease; }
.subpage .site-header.scrolled { background: rgba(22,22,22,.82); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px); border-bottom: 1px solid rgba(255,255,255,.08); }
.subpage .page-head { padding-top: clamp(120px, 12vw, 168px); }

/* ============================================================
   EXTENDED SIGNAL SCALE + SEMANTICS (Brand Guidelines v2)
   ============================================================ */
:root {
  --nh-ink-deep:   #262626;
  --nh-signal-50:  #ecf1fb;
  --nh-signal-100: #c8d6f4;
  --nh-signal-300: #86a6f4;
  --nh-signal-400: #3d69d8;
  --nh-green: #1f8a5b; --nh-green-300: #5fcf9e;
  --nh-amber: #c2871b; --nh-amber-300: #e0a23a;
  --nh-red:   #c0392b; --nh-red-300: #ff8a80;
}

/* signal radial glow - the brand gradient/mesh device */
.signal-glow { background:
  radial-gradient(120% 90% at 82% 8%, rgba(31,79,190,.15), transparent 58%),
  radial-gradient(90% 80% at 0% 100%, rgba(134,166,244,.10), transparent 60%),
  var(--nh-paper); }
.ink.signal-glow { background:
  radial-gradient(120% 90% at 80% 10%, rgba(31,79,190,.45), transparent 55%),
  var(--nh-ink); }

/* ============================================================
   PRODUCT UI MOCKS (replace illustrations)
   ============================================================ */
.ui-wrap { position: relative; }
.ui-card { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: var(--nh-radius-lg); box-shadow: var(--nh-shadow-lg); overflow: hidden; font-family: var(--nh-font-sans); }
.ui-card .ui-bar { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid var(--nh-line); background: var(--nh-surface-2); }
.ui-bar .dots { display: flex; gap: 5px; }
.ui-bar .dots i { width: 8px; height: 8px; border-radius: 50%; background: #e2ddd6; }
.ui-bar .t { font-family: var(--nh-font-mono); font-size: 11px; letter-spacing: .04em; color: var(--nh-text-muted); margin-left: 4px; }
.ui-bar .live { margin-left: auto; font-family: var(--nh-font-mono); font-size: 10px; letter-spacing: .1em; color: var(--nh-green); display: inline-flex; align-items: center; gap: 5px; }
.ui-bar .live::before { content:""; width: 6px; height: 6px; border-radius: 50%; background: var(--nh-green); box-shadow: 0 0 0 0 rgba(31,138,91,.5); animation: nhpulse 2s infinite; }
@keyframes nhpulse { 0%{box-shadow:0 0 0 0 rgba(31,138,91,.45)} 70%{box-shadow:0 0 0 7px rgba(31,138,91,0)} 100%{box-shadow:0 0 0 0 rgba(31,138,91,0)} }
.ui-body { padding: 14px; background: var(--nh-paper); overflow-x: auto; }
.ui-kpis { display: grid; grid-template-columns: repeat(4,1fr); gap: 9px; margin-bottom: 11px; }
.ui-kpis.three { grid-template-columns: repeat(3,1fr); }
@media (max-width:520px){ .ui-kpis { grid-template-columns: repeat(2,1fr);} }
.ui-kpi { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: 10px; padding: 11px 12px; }
.ui-kpi .k { font-family: var(--nh-font-mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--nh-text-faint); }
.ui-kpi .v { font-size: 22px; font-weight: 600; letter-spacing: -0.03em; margin-top: 4px; color: var(--nh-ink); }
.ui-kpi .d { font-family: var(--nh-font-mono); font-size: 10px; margin-top: 3px; color: var(--nh-text-muted); }
.ui-kpi .d.up { color: var(--nh-green); } .ui-kpi .d.warn { color: var(--nh-amber); } .ui-kpi .d.sig { color: var(--nh-signal); }
.ui-panel { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: 10px; padding: 13px; }
.ui-panel + .ui-panel { margin-top: 9px; }
.ui-ct { font-family: var(--nh-font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--nh-text-faint); margin-bottom: 10px; }
.ui-rowline { display: grid; grid-template-columns: 1fr 2fr auto; gap: 10px; align-items: center; padding: 6px 0; }
.ui-rowline + .ui-rowline { border-top: 1px solid var(--nh-line); }
.ui-rowline .lab { font-family: var(--nh-font-mono); font-size: 11px; color: var(--nh-text-muted); }
.ui-track { height: 6px; background: var(--nh-wash); border-radius: 4px; overflow: hidden; }
.ui-track i { display: block; height: 6px; border-radius: 4px; background: var(--nh-signal); }
.ui-rowline .val { font-family: var(--nh-font-mono); font-size: 11px; color: var(--nh-ink); text-align: right; }
.ui-rowline .val.ok { color: var(--nh-green); } .ui-rowline .val.bad { color: var(--nh-red); }
/* ui table */
.ui-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.ui-table th { font-family: var(--nh-font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--nh-text-faint); text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--nh-line); font-weight: 500; }
.ui-table td { padding: 8px; border-bottom: 1px solid var(--nh-line); color: var(--nh-text); }
.ui-table tr:last-child td { border-bottom: none; }
.ui-table .mono { font-family: var(--nh-font-mono); }
.ui-table .ok { color: var(--nh-green); } .ui-table .bad { color: var(--nh-red); } .ui-table .sig { color: var(--nh-signal); }
.pill { display: inline-block; font-family: var(--nh-font-mono); font-size: 9.5px; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; }
.pill.ok { background: #e7f4ee; color: var(--nh-green); } .pill.warn { background: #f8eed8; color: var(--nh-amber); } .pill.bad { background: #f8e3e1; color: var(--nh-red); } .pill.sig { background: var(--nh-signal-50); color: var(--nh-signal-400); }
/* chat */
.ui-chat { display: flex; flex-direction: column; gap: 9px; }
.ui-q { align-self: flex-end; max-width: 86%; background: var(--nh-signal); color: #fff; border-radius: 12px 12px 3px 12px; padding: 9px 12px; font-size: 13px; }
.ui-a { align-self: flex-start; max-width: 92%; background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: 12px 12px 12px 3px; padding: 11px 12px; }
.ui-a .meta { font-family: var(--nh-font-mono); font-size: 9.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--nh-text-faint); margin-bottom: 6px; }
/* alert rows */
.ui-alert { display: flex; align-items: center; gap: 11px; padding: 10px 12px; background: var(--nh-surface); border: 1px solid var(--nh-line); border-left-width: 3px; border-radius: 8px; }
.ui-alert + .ui-alert { margin-top: 8px; }
.ui-alert.warn { border-left-color: var(--nh-amber); } .ui-alert.bad { border-left-color: var(--nh-red); } .ui-alert.ok { border-left-color: var(--nh-green); }
.ui-alert .ic { width: 28px; height: 28px; border-radius: 7px; display:flex; align-items:center; justify-content:center; flex:0 0 auto; font-family: var(--nh-font-mono); font-size: 10px; }
.ui-alert.warn .ic { background:#f8eed8; color:var(--nh-amber); } .ui-alert.bad .ic { background:#f8e3e1; color:var(--nh-red); } .ui-alert.ok .ic { background:#e7f4ee; color:var(--nh-green); }
.ui-alert .tx { font-size: 12.5px; color: var(--nh-text); } .ui-alert .tx b { font-weight: 600; }
.ui-alert .tm { margin-left: auto; font-family: var(--nh-font-mono); font-size: 10px; color: var(--nh-text-faint); flex:0 0 auto; }
/* mini bar chart */
.ui-bars { display: flex; align-items: flex-end; gap: 8px; height: 92px; }
.ui-bars .c { flex: 1; background: var(--nh-signal-100); border-radius: 3px 3px 0 0; }
.ui-bars .c.hi { background: var(--nh-signal); }
.ui-axis { display: flex; justify-content: space-between; font-family: var(--nh-font-mono); font-size: 9px; color: var(--nh-text-faint); margin-top: 7px; }

/* dark UI variant (on ink sections) */
.ui-card.dark { background: var(--nh-ink-2); border-color: rgba(255,255,255,.12); }
.ui-card.dark .ui-bar { background: #1f1f1d; border-color: rgba(255,255,255,.1); }
.ui-card.dark .ui-bar .t { color: var(--nh-on-dark-muted); }
.ui-card.dark .ui-body { background: var(--nh-ink-2); }
.ui-card.dark .ui-table td { color: var(--nh-on-dark); border-color: rgba(255,255,255,.08); }
.ui-card.dark .ui-table th { color: var(--nh-on-dark-muted); border-color: rgba(255,255,255,.12); }
.ui-card.dark .ui-table .sig { color: var(--nh-signal-300); }

/* coverage map */
.map-card { background: var(--nh-surface); border: 1px solid var(--nh-line); border-radius: var(--nh-radius-xl); padding: 18px; box-shadow: var(--nh-shadow-sm); }
.map-card svg { width: 100%; height: auto; display: block; }
.net-line { stroke: #1f4fbe; stroke-width: 1.4; fill: none; opacity: .5; stroke-dasharray: 4 5; }
.net-node { fill: #1f4fbe; }
.net-ring { fill: none; stroke: #86a6f4; stroke-width: 1.4; }

/* hero spacing - text spreads to fill its column, no narrow caps */
.hero .display { line-height: 1.1; margin-bottom: 26px; max-width: none; }
.hero .lead { line-height: 1.62; margin-bottom: 36px; max-width: none; }
.hero-cta { margin-bottom: 4px; }

/* dashboard app chrome (logged-in SaaS look) */

/* editorial pull quote */
.pullquote { font-size: clamp(26px, 3.4vw, 40px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.08; color: var(--nh-ink); max-width: 20ch; }
.pullquote .sig { color: var(--nh-signal); }

/* ============================================================
   SHADCN-STYLE FREIGHT DASHBOARD (hero panel)
   ============================================================ */
.ds { display: flex; background: #ffffff; border: 1px solid rgba(255,255,255,.08); border-radius: 14px; box-shadow: 0 24px 60px -28px rgba(0,0,0,.55), 0 2px 8px -2px rgba(0,0,0,.25); overflow: hidden; font-family: var(--nh-font-sans); color: #0f172a; }
.ds-side { flex: 0 0 148px; width: 148px; background: #fafafa; border-right: 1px solid #eef0f2; padding: 14px 12px; display: flex; flex-direction: column; gap: 16px; }
.ds-logo { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; font-weight: 600; letter-spacing: -.03em; color: #0f172a; }
.ds-logo .b { width: 8px; height: 8px; border-radius: 50%; background: #1f4fbe; }
.ds-nav { display: flex; flex-direction: column; gap: 2px; }
.ds-nav span, .ds-nav button { display: flex; align-items: center; gap: 9px; font-size: 12px; color: #64748b; padding: 7px 9px; border-radius: 7px; }
.ds-nav button { font-family: inherit; background: none; border: 0; width: 100%; text-align: left; cursor: pointer; transition: background .15s ease, color .15s ease; }
.ds-nav button:hover { background: #f1f5f9; color: #334155; }
.ds-nav span svg, .ds-nav button svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; flex: 0 0 auto; }
.ds-nav span.on, .ds-nav button.on { background: #eef2fb; color: #1f4fbe; font-weight: 500; }
.ds-nav button.on:hover { background: #eef2fb; color: #1f4fbe; }
.ds-user { margin-top: auto; display: flex; align-items: center; gap: 8px; font-size: 11px; color: #64748b; }
.ds-user b { width: 24px; height: 24px; border-radius: 50%; background: #e2e8f0; display: flex; align-items: center; justify-content: center; font-size: 10px; color: #475569; font-weight: 600; }
.ds-logo img { height: 17px; width: auto; display: block; }
.ds-main { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.ds-topbar { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-bottom: 1px solid #eef0f2; background: #fff; }
.ds-search { flex: 0 1 240px; height: 28px; border: 1px solid #e7e7ea; border-radius: 7px; background: #f8fafc; display: flex; align-items: center; gap: 7px; padding: 0 10px; font-size: 11.5px; color: #94a3b8; }
.ds-search svg { width: 13px; height: 13px; stroke: #94a3b8; fill: none; stroke-width: 2; }
.ds-topbar .sp { flex: 1; }
.ds-ico { width: 28px; height: 28px; border-radius: 7px; border: 1px solid #eef0f2; display: flex; align-items: center; justify-content: center; color: #64748b; }
.ds-ico svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8; }
@media (max-width: 560px){ .ds-search { display: none; } }
/* wider, more desktop dashboard on home */
.home .hero-grid { grid-template-columns: 1fr 1.06fr; gap: clamp(56px, 6vw, 88px); align-items: center; }
.home .hero-illus-wrap { max-width: none; width: 100%; justify-self: end; display: flex; justify-content: flex-end; align-items: flex-start; }
/* dashboard: fills a wide, landscape column, lightly scaled */
.home .hero-illus-wrap .ds { width: 100%; zoom: 0.9; }
@supports not (zoom: 1){ .home .hero-illus-wrap .ds { transform: scale(0.9); transform-origin: right center; } }
@media (max-width: 900px){
  .home .hero-grid { grid-template-columns: 1fr; }
  .home .hero-illus-wrap { max-width: none; justify-self: stretch; display: block; }
  .home .hero-illus-wrap .ds { zoom: 1; transform: none; }
}
@media (max-width: 640px){ .ds-side { flex-basis: 116px; width: 116px; padding: 12px 10px; } .ds-nav span, .ds-nav button { font-size: 11px; } }
/* phone: turn the sidebar into a clean top icon-bar so every nav item (incl. Consignments) stays visible */
@media (max-width: 520px){
  .ds { flex-direction: column; }
  .ds-side { flex-basis: auto; width: auto; flex-direction: row; align-items: center; gap: 8px; border-right: none; border-bottom: 1px solid #eef0f2; padding: 10px 12px; }
  .ds-logo { flex: 0 0 auto; }
  .ds-nav { flex-direction: row; gap: 4px; margin-left: 4px; }
  .ds-nav span, .ds-nav button { padding: 7px; font-size: 0; width: auto; }
  .ds-nav span svg, .ds-nav button svg { width: 16px; height: 16px; }
  .ds-user { display: none; }
  /* keep all three KPIs on one row, compact */
  .ds-kpis { grid-template-columns: repeat(3,1fr); gap: 7px; }
  .ds-kpi { padding: 9px 9px 8px; }
  .ds-kpi .k { font-size: 10px; }
  .ds-kpi .v { font-size: 15px; }
  .ds-kpi .d .cap { display: none; }
  .ds-kpi .spark { height: 16px; margin-top: 5px; }
  .ds-controls .ds-pill { display: none; }
  #ds-chart { height: 96px; }
  .ds-bar { grid-template-columns: 96px 1fr 34px; }
  .ds-topbar .ds-ico:last-child { display: none; }
}
.ds-top { display: flex; align-items: center; justify-content: space-between; gap: 10px 12px; padding: 13px 16px; border-bottom: 1px solid #eef0f2; flex-wrap: wrap; }
.ds-top .tt { font-size: 14px; font-weight: 600; color: #0f172a; line-height: 1.2; }
.ds-top .sub { font-size: 11.5px; color: #64748b; margin-top: 1px; }
.ds-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.ds-seg { display: inline-flex; border: 1px solid #e7e7ea; border-radius: 8px; overflow: hidden; background: #fff; }
.ds-seg span, .ds-seg button { font-size: 11px; padding: 5px 10px; color: #64748b; }
.ds-seg button { font-family: inherit; background: none; border: 0; cursor: pointer; line-height: 1.4; transition: background .15s ease, color .15s ease; }
.ds-seg button:hover { background: #f1f5f9; color: #334155; }
.ds-seg span.on, .ds-seg button.on { background: #1f4fbe; color: #fff; }
.ds-seg button.on:hover { background: #1f4fbe; color: #fff; }
.ds-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: #475569; border: 1px solid #e7e7ea; border-radius: 8px; padding: 5px 10px; white-space: nowrap; }
.ds-body { flex: 1; min-height: 0; padding: 14px 16px; background: #fff; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; }
.ds-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.ds-kpi { display: flex; flex-direction: column; align-items: stretch; text-align: left; font-family: inherit; background: #fff; border: 1px solid #eef0f2; border-radius: 10px; padding: 10px 12px 9px; cursor: pointer; transition: border-color .15s ease, box-shadow .15s ease; }
.ds-kpi:hover { border-color: rgba(31,79,190,.45); box-shadow: 0 1px 4px rgba(15,23,42,.06); }
.ds-kpi.on { border-color: #1f4fbe; box-shadow: 0 0 0 1px #1f4fbe; }
.ds-kpi .k { font-size: 11px; color: #64748b; }
.ds-kpi .v { font-size: 20px; font-weight: 600; letter-spacing: -.02em; margin-top: 3px; color: #0f172a; font-variant-numeric: tabular-nums; }
.ds-kpi .d { display: flex; align-items: center; gap: 5px; margin-top: 5px; }
.ds-kpi .d .cap { font-size: 10px; color: #94a3b8; white-space: nowrap; }
.ds-chip { display: inline-flex; align-items: center; font-size: 10px; font-weight: 500; padding: 1.5px 7px; border-radius: 999px; background: #f1f5f9; color: #64748b; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ds-chip.good { background: #dcf2e7; color: #047857; }
.ds-chip.bad { background: #fce4e1; color: #b91c1c; }
.ds-kpi .spark { width: 100%; height: 22px; margin-top: 7px; display: block; }
.ds-sec { margin-top: 14px; }
.ds-sec .h { font-size: 12px; font-weight: 600; color: #334155; margin-bottom: 9px; }
/* trend explorer */
.ds-trend-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.ds-trend .h { margin-bottom: 8px; }
.ds-trend .hint { font-size: 10px; color: #94a3b8; }
.ds-chart-wrap { position: relative; border: 1px solid #eef0f2; border-radius: 10px; padding: 10px 10px 4px; }
#ds-chart { display: block; width: 100%; height: 118px; }
.ds-tip { position: absolute; top: 0; left: 0; pointer-events: none; background: #fff; border: 1px solid #e7e7ea; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,.09); padding: 5px 9px; font-size: 11.5px; font-weight: 600; color: #0f172a; white-space: nowrap; transform: translate(-50%, -112%); z-index: 2; font-variant-numeric: tabular-nums; }
.ds-tip .tl { display: block; font-size: 10px; font-weight: 400; color: #64748b; }
/* status bars */
.ds-bar { display: grid; grid-template-columns: 116px 1fr 38px; align-items: center; gap: 10px; padding: 3px 4px; border-radius: 7px; transition: background .15s ease; }
.ds-bar:hover { background: #f8fafc; }
.ds-bar .lab { font-size: 12px; color: #475569; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-bar .track { height: 10px; background: #f1f5f9; border-radius: 999px; overflow: hidden; }
.ds-bar .track i { display: block; height: 10px; background: #1f4fbe; border-radius: 999px; transition: width .5s ease; }
.ds-bar .n { font-size: 12px; color: #0f172a; text-align: right; font-variant-numeric: tabular-nums; }
/* drill-down right panel (portal DrillDrawer, simplified) */
.ds-scrim { position: absolute; inset: 0; background: rgba(15,23,42,.16); z-index: 4; }
.ds-drill { position: absolute; top: 0; right: 0; bottom: 0; width: min(78%, 330px); background: #fff; border-left: 1px solid #eef0f2; box-shadow: -18px 0 44px -24px rgba(0,0,0,.35); z-index: 5; padding: 13px 14px; display: flex; flex-direction: column; gap: 10px; transform: translateX(14px); opacity: 0; transition: transform .2s ease, opacity .2s ease; }
.ds-drill[hidden] { display: none; }
.ds-drill.in { transform: none; opacity: 1; }
.ds-drill-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.ds-drill-head .t { font-size: 13px; font-weight: 600; color: #0f172a; line-height: 1.25; }
.ds-drill-head .s { font-size: 10.5px; color: #94a3b8; margin-top: 2px; }
.ds-drill-head .x { flex: 0 0 auto; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; background: none; border: 1px solid #e7e7ea; border-radius: 7px; color: #64748b; cursor: pointer; transition: background .15s ease, color .15s ease; }
.ds-drill-head .x:hover { background: #f1f5f9; color: #0f172a; }
.ds-drill .ds-seg { align-self: flex-start; }
.ds-drill-rows { overflow-y: auto; min-height: 0; }
.ds-drill-row { display: grid; grid-template-columns: minmax(60px, 1fr) 50px 44px 48px 28px; align-items: center; gap: 8px; padding: 6px 4px; border-radius: 7px; font-size: 11px; transition: background .15s ease; }
.ds-drill-row:hover { background: #f8fafc; }
.ds-drill-row .lab { color: #334155; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-drill-row .track { height: 7px; background: #f1f5f9; border-radius: 999px; overflow: hidden; }
.ds-drill-row .track i { display: block; height: 7px; background: #1f4fbe; border-radius: 999px; }
.ds-drill-row .val { text-align: right; color: #0f172a; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ds-drill-row .dl { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ds-drill-row .dl.good { color: #047857; } .ds-drill-row .dl.bad { color: #b91c1c; }
.ds-drill-row .n { text-align: right; color: #94a3b8; font-variant-numeric: tabular-nums; }
/* demo tab tables (consignments / carriers / invoice lines) */
.ds-table-wrap { border: 1px solid #eef0f2; border-radius: 10px; overflow-x: auto; }
.ds-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.ds-table th { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: #94a3b8; font-weight: 500; text-align: left; padding: 8px 10px; border-bottom: 1px solid #eef0f2; background: #fafafa; white-space: nowrap; }
.ds-table td { padding: 7px 10px; border-bottom: 1px solid #f1f5f9; color: #334155; white-space: nowrap; }
.ds-table tr:last-child td { border-bottom: none; }
.ds-table .mono { font-family: var(--nh-font-mono); font-size: 10.5px; color: #0f172a; }
.ds-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.ds-table tbody tr { transition: background .15s ease; }
.ds-table tbody tr:hover { background: #f8fafc; }
.ds-stpill { display: inline-flex; align-items: center; gap: 5px; font-size: 10px; font-weight: 500; padding: 2px 8px; border-radius: 999px; background: #f1f5f9; color: #475569; white-space: nowrap; }
.ds-stpill::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.ds-stpill.ok { background: #dcf2e7; color: #047857; }
.ds-stpill.info { background: #e7edfa; color: #1f4fbe; }
.ds-stpill.warn { background: #faf0dc; color: #b45309; }
.ds-stpill.bad { background: #fce4e1; color: #b91c1c; }
.dot-amber { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #d97706; margin-right: 5px; vertical-align: 1px; }
/* carriers tab mini stats */
.ds-mini { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 12px; }
.ds-mini .m { border: 1px solid #eef0f2; border-radius: 10px; padding: 9px 12px; }
.ds-mini .m .k { font-size: 10.5px; color: #64748b; }
.ds-mini .m .v { font-size: 17px; font-weight: 600; color: #0f172a; margin-top: 2px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
/* invoices tab */
.ds-inv { border: 1px solid #eef0f2; border-radius: 10px; overflow: hidden; }
.ds-inv + .ds-inv { margin-top: 8px; }
.ds-inv-head { display: flex; align-items: center; gap: 9px; width: 100%; padding: 9px 12px; background: #fff; border: 0; font-family: inherit; font-size: 11.5px; color: #334155; cursor: pointer; text-align: left; transition: background .15s ease; }
.ds-inv-head:hover { background: #f8fafc; }
.ds-inv-head .inv { font-family: var(--nh-font-mono); font-size: 10.5px; color: #0f172a; }
.ds-inv-head .car { color: #64748b; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ds-inv-head .dt { color: #94a3b8; font-size: 10.5px; white-space: nowrap; }
.ds-inv-head .amt { margin-left: auto; font-weight: 600; color: #0f172a; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ds-inv-head .chev { flex: 0 0 auto; color: #94a3b8; transition: transform .18s ease; display: flex; }
.ds-inv.open .chev { transform: rotate(90deg); }
.ds-inv-body { border-top: 1px solid #f1f5f9; background: #fafafa; }
@media (max-width: 560px){ .ds-inv-head .dt { display: none; } }

/* ============================================================
   PREMIUM POLISH PASS (site-wide)
   Crisper type, tactile controls, deeper hover, quiet detail.
   ============================================================ */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
.hero ::selection { background: rgba(255,255,255,.24); color: #fff; }

/* tactile buttons */
.btn-primary:hover, .btn.on-dark-primary:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* deeper, softer card hover */
.card.hover { transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease; }
.card.hover:hover { box-shadow: var(--nh-shadow-lg); border-color: #e3ded8; transform: translateY(-3px); }

/* active-nav underline in signal */
.nav-links a { position: relative; }
.nav-links a.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 5px; height: 1.5px; background: var(--nh-signal-300); border-radius: 2px; }

/* hairline ring inside icon chips for a touch of depth */
.iconchip { box-shadow: inset 0 0 0 1px rgba(31,79,190,.07); }

/* metric numbers use tabular figures for tidy alignment */
.proof .metric .v, .card .v { font-variant-numeric: tabular-nums; }