/* =====================================================================
   Arslogica Sistemi — design system
   Aesthetic: precision-engineering / always-on operations.
   Warm bone (day) + warm graphite (night), single amber signal accent.
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* color — OKLCH, every neutral tinted warm (~hue 78) */
  --bone:        oklch(0.966 0.008 78);
  --bone-2:      oklch(0.945 0.010 78);
  --paper-line:  oklch(0.885 0.008 78);
  --ink:         oklch(0.185 0.012 80);
  --ink-2:       oklch(0.223 0.014 80);
  --ink-3:       oklch(0.285 0.014 80);
  --ink-soft:    oklch(0.470 0.010 80);
  --night-text:  oklch(0.935 0.006 82);
  --night-soft:  oklch(0.720 0.010 82);
  --night-line:  oklch(0.340 0.012 80);
  --signal:      oklch(0.700 0.170 52);
  --signal-2:    oklch(0.780 0.160 60);
  --signal-ink:  oklch(0.300 0.090 52);
  --signal-text: oklch(0.510 0.152 50);
  --online:      oklch(0.760 0.150 152);

  /* semantic surface defaults (light) */
  --bg: var(--bone);
  --fg: var(--ink);
  --muted: var(--ink-soft);
  --line: var(--paper-line);
  --accent: var(--signal);
  --accent-text: var(--signal-text);

  /* type */
  --font-display: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, "SFMono-Regular", monospace;

  --fs-eyebrow: 0.74rem;
  --fs-body:    clamp(1rem, 0.96rem + 0.22vw, 1.09rem);
  --fs-lead:    clamp(1.18rem, 1.05rem + 0.7vw, 1.5rem);
  --fs-h5:      clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  --fs-h4:      clamp(1.28rem, 1.12rem + 0.7vw, 1.6rem);
  --fs-h3:      clamp(1.6rem, 1.32rem + 1.25vw, 2.35rem);
  --fs-h2:      clamp(2.1rem, 1.55rem + 2.45vw, 3.6rem);
  --fs-h1:      clamp(2.7rem, 1.75rem + 4.4vw, 5.6rem);
  --fs-display: clamp(3.3rem, 1.9rem + 6.4vw, 7.4rem);

  /* spacing */
  --sp-2xs: 0.375rem;
  --sp-xs:  0.625rem;
  --sp-sm:  1rem;
  --sp-md:  1.6rem;
  --sp-lg:  2.5rem;
  --sp-xl:  clamp(3rem, 2rem + 4vw, 5rem);
  --sp-2xl: clamp(4.5rem, 3rem + 6vw, 8rem);
  --section-y: clamp(4.5rem, 3rem + 7vw, 9rem);

  --measure: 68ch;
  --container: 78rem;
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3.25rem);
  --radius: 4px;
  --radius-lg: 10px;
  --header-h: 4.6rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);        /* ease-out-expo-ish */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; padding: 0; }
:target { scroll-margin-top: 6rem; }

::selection { background: var(--signal); color: oklch(0.98 0.01 80); }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* skip-to-content (WCAG 2.4.1) */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bone);
  padding: 0.7em 1.1em; border-radius: var(--radius);
  font-weight: 600; z-index: 100;
}
.skip-link:focus {
  position: fixed; left: var(--gutter); top: 0.6rem;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--fg);
}
h1 { font-size: var(--fs-h1); letter-spacing: -0.035em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.03em; }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); line-height: 1.12; letter-spacing: -0.01em; }
p { text-wrap: pretty; }
strong { font-weight: 600; }

.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-display);
  line-height: 0.92;
  letter-spacing: -0.045em;
}
.lead {
  font-size: var(--fs-lead);
  line-height: 1.4;
  color: var(--muted);
  max-width: 46ch;
}
.measure { max-width: var(--measure); }

/* mono label system (deliberate: paired with section index) */
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
}
.kicker__index { color: var(--accent-text); font-weight: 600; }
.kicker::before {
  content: "";
  width: 1.8rem; height: 1px;
  background: var(--accent);
}

.accent { color: var(--accent-text); }
.mono.accent { color: var(--accent-text); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: 88rem; }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: var(--sp-2xl); }
.section__head { margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); }
.section__head .lead { margin-top: var(--sp-md); }

.stack > * + * { margin-top: var(--sp-sm); }
.grid { display: grid; gap: var(--gutter); }

/* dark / light surface treatment */
.surface-dark {
  --bg: var(--ink-2);
  --fg: var(--night-text);
  --muted: var(--night-soft);
  --line: var(--night-line);
  --accent: var(--signal-2);
  --accent-text: var(--signal-2);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.66;
}
.surface-ink {
  --bg: var(--ink);
  --fg: var(--night-text);
  --muted: var(--night-soft);
  --line: var(--night-line);
  --accent: var(--signal-2);
  --accent-text: var(--signal-2);
  background: var(--bg);
  color: var(--fg);
}
.surface-alt { background: var(--bone-2); }

/* ---------- Buttons ---------- */
.btn {
  --_bg: var(--ink);
  --_fg: var(--bone);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.4em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
  border-radius: var(--radius);
  background: var(--_bg);
  color: var(--_fg);
  border: 1px solid var(--_bg);
  transition: transform 0.5s var(--ease-out), background-color 0.25s, box-shadow 0.35s;
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn__arrow { transition: transform 0.5s var(--ease-out); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn-primary {
  --_bg: var(--signal);
  --_fg: oklch(0.22 0.04 60);
  box-shadow: 0 1px 0 oklch(0.55 0.14 52);
}
.btn-primary:hover { box-shadow: 0 10px 30px -12px var(--signal); }
.surface-dark .btn-primary, .surface-ink .btn-primary {
  --_bg: var(--signal-2);
  --_fg: oklch(0.20 0.04 60);
}
.btn-ghost {
  --_bg: transparent;
  --_fg: var(--fg);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--fg); background: color-mix(in oklch, var(--fg) 5%, transparent); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  color: var(--fg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, gap 0.4s var(--ease-out);
}
.link-arrow svg { color: var(--accent); transition: transform 0.5s var(--ease-out); }
.link-arrow:hover { border-color: var(--accent); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- Status pill ---------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.status__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--online);
  position: relative;
  box-shadow: 0 0 0 0 color-mix(in oklch, var(--online) 70%, transparent);
}
.status__dot::after {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  background: var(--online);
  animation: ping 2.4s var(--ease-out) infinite;
}
@keyframes ping {
  0%   { transform: scale(1); opacity: 0.7; }
  70%, 100% { transform: scale(2.8); opacity: 0; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklch, var(--bone) 88%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background-color 0.3s, box-shadow 0.3s;
}
.site-header.is-scrolled {
  background: color-mix(in oklch, var(--bone) 96%, transparent);
  border-bottom-color: var(--paper-line);
  box-shadow: 0 8px 30px -24px oklch(0.2 0.02 80 / 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.nav {
  display: flex; align-items: center; gap: var(--sp-lg);
  min-height: var(--header-h);
}
.brand {
  display: inline-flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 800; letter-spacing: -0.03em;
  font-size: 1.18rem; color: var(--ink);
}
.brand__mark { width: 26px; height: 26px; flex: none; }
.brand small {
  display: block; font-family: var(--font-mono);
  font-size: 0.56rem; letter-spacing: 0.34em; font-weight: 500;
  color: var(--ink-soft); text-transform: uppercase; margin-top: 2px;
}
.nav__links {
  display: flex; align-items: center; gap: clamp(1rem, 0.4rem + 1.4vw, 2rem);
  margin-left: auto;
}
.nav__links a {
  font-size: 0.95rem; font-weight: 500; color: var(--ink);
  padding: 0.4rem 0; position: relative; letter-spacing: -0.005em;
  white-space: nowrap;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1.5px; background: var(--signal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: var(--ink); }
.nav__actions { display: flex; align-items: center; gap: var(--sp-sm); }
.nav__phone {
  font-family: var(--font-mono); font-size: 0.85rem; font-weight: 500;
  color: var(--ink); letter-spacing: 0.02em; white-space: nowrap;
}
.nav__phone:hover { color: var(--signal); }
.nav__toggle { display: none; }

/* ---------- Footer ---------- */
.site-footer { padding-block: var(--sp-2xl) var(--sp-lg); }
.footer__grid {
  display: grid; gap: var(--sp-xl);
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
}
.footer__brand .brand { color: var(--night-text); }
.footer__brand .brand small { color: var(--night-soft); }
.footer__brand p { color: var(--night-soft); margin-top: var(--sp-md); max-width: 34ch; }
.footer__col h5 {
  font-family: var(--font-mono); font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
  color: var(--night-soft); margin-bottom: var(--sp-md);
}
.footer__col li + li { margin-top: 0.7rem; }
.footer__col a { color: var(--night-text); font-size: 0.96rem; transition: color 0.2s; }
.footer__col a:hover { color: var(--signal-2); }
.footer__bar {
  display: flex; flex-wrap: wrap; gap: var(--sp-md) var(--sp-lg);
  justify-content: space-between; align-items: center;
  margin-top: var(--sp-2xl); padding-top: var(--sp-md);
  border-top: 1px solid var(--night-line);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.06em; color: var(--night-soft);
}
.footer__bar a:hover { color: var(--signal-2); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(3rem, 2rem + 4vw, 6rem) var(--section-y); overflow: hidden; }
.hero__grid {
  display: grid; align-items: center; gap: var(--sp-xl);
  grid-template-columns: 1.05fr 0.95fr;
}
.hero__status { margin-bottom: var(--sp-md); }
.hero h1 { margin-block: 0.3em 0; }
.hero__lead { margin-top: var(--sp-md); max-width: 40ch; font-size: var(--fs-lead); color: var(--muted); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-sm); margin-top: var(--sp-lg); }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-md) var(--sp-xl);
  margin-top: var(--sp-xl); padding-top: var(--sp-md);
  border-top: 1px solid var(--line);
}
.hero__meta div .n {
  font-family: var(--font-display); font-weight: 700; font-size: 1.7rem;
  letter-spacing: -0.03em; display: block; line-height: 1;
}
.hero__meta div .l {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); margin-top: 0.4rem;
}

/* ---------- Ops visual (bespoke SVG frame) ---------- */
.opsviz { position: relative; }
.opsviz svg { width: 100%; height: auto; }
.opsviz__frame {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, oklch(0.2 0.014 80) 0%, oklch(0.235 0.016 80) 100%);
  padding: clamp(0.9rem, 0.4rem + 1.4vw, 1.4rem);
  box-shadow: 0 40px 80px -50px oklch(0.2 0.03 80 / 0.6);
}
.opsviz__bar {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em;
  color: var(--night-soft); text-transform: uppercase;
  padding-bottom: 0.8rem; margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--night-line);
}
.opsviz__dots { display: inline-flex; gap: 5px; }
.opsviz__dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--night-line); }
.opsviz__dots i:first-child { background: var(--signal-2); }

/* animated signal paths */
.flow { stroke-dasharray: 5 9; animation: flow 3.2s linear infinite; }
.flow--slow { animation-duration: 5s; }
@keyframes flow { to { stroke-dashoffset: -140; } }
.node-pulse { transform-box: fill-box; transform-origin: center; animation: nodepulse 2.6s var(--ease-out) infinite; }
.node-pulse.d1 { animation-delay: 0.4s; }
.node-pulse.d2 { animation-delay: 0.9s; }
.node-pulse.d3 { animation-delay: 1.4s; }
@keyframes nodepulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }

/* ---------- Section index / services ---------- */
.svc-index { border-top: 1px solid var(--line); }
.svc {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  gap: var(--sp-md);
  align-items: start;
  padding: clamp(1.5rem, 1rem + 1.6vw, 2.4rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color 0.4s;
}
.svc__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-text); padding-top: 0.5rem; letter-spacing: 0.05em; }
.svc__body h3 { font-size: var(--fs-h4); margin-bottom: 0.5rem; }
.svc__body p { color: var(--muted); max-width: 52ch; }
/* .svc used as a <button> (careers rows that open a dialog) */
button.svc { width: 100%; text-align: left; }
.svc__title { display: block; font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h4); line-height: 1.12; letter-spacing: -0.01em; margin-bottom: 0.5rem; }
.svc__desc { display: block; color: var(--muted); max-width: 52ch; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 0.4rem 0.5rem; margin-top: var(--sp-sm); }
.tag {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em;
  padding: 0.25em 0.7em; border: 1px solid var(--line); border-radius: 100px;
  color: var(--muted);
}
.svc__go {
  align-self: center; width: 2.6rem; height: 2.6rem; flex: none;
  display: grid; place-items: center; border: 1px solid var(--line);
  border-radius: 50%; color: var(--fg);
  transition: transform 0.5s var(--ease-out), background-color 0.3s, border-color 0.3s, color 0.3s;
}
.svc:hover .svc__go { background: var(--signal); border-color: var(--signal); color: oklch(0.22 0.04 60); transform: translateX(3px); }
.svc:hover .svc__num { color: var(--accent); }

/* ---------- Job listings (careers) ---------- */
.jobs { border-top: 1px solid var(--line); }
.job {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--sp-md);
  padding: clamp(1.9rem, 1.2rem + 2vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
}
.job__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-text); padding-top: 0.35rem; letter-spacing: 0.05em; }
.job h3 { font-size: var(--fs-h4); }
.job__tags { display: flex; flex-wrap: wrap; gap: 0.4rem 0.5rem; margin-top: var(--sp-sm); }
.job__lead { color: var(--muted); margin-top: var(--sp-md); max-width: 64ch; }
.job__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-lg); margin-top: var(--sp-lg); }
.job__cols .mono { display: block; color: var(--muted); margin-bottom: var(--sp-sm); }

/* ---------- Job dialog (popup) ---------- */
.jobdialog {
  width: min(660px, 92vw);
  max-height: min(88vh, 920px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bone);
  color: var(--ink);
  box-shadow: 0 50px 120px -50px oklch(0.185 0.02 80 / 0.55);
  overflow: auto;
}
.jobdialog::backdrop { background: oklch(0.185 0.012 80 / 0.5); }
.jobdialog__inner { position: relative; padding: clamp(1.6rem, 1.1rem + 2.4vw, 2.8rem); }
.jobdialog__meta { display: block; color: var(--ink-soft); margin-bottom: var(--sp-sm); }
.jobdialog h3 { font-size: var(--fs-h3); }
.jobdialog .job__tags { margin-top: var(--sp-sm); }
.jobdialog .job__lead { margin-top: var(--sp-md); color: var(--ink-soft); }
.jobdialog__actions { margin-top: var(--sp-lg); }
.jobdialog__close {
  position: absolute; top: 1rem; right: 1rem;
  width: 2.5rem; height: 2.5rem; display: grid; place-items: center;
  border: 1px solid var(--paper-line); border-radius: 50%; color: var(--ink);
  transition: background-color 0.2s, border-color 0.2s;
}
.jobdialog__close:hover { background: color-mix(in oklch, var(--ink) 6%, transparent); border-color: var(--ink); }

.jobdialog { opacity: 0; transform: translateY(10px) scale(0.985); transition: opacity 0.28s var(--ease-out), transform 0.28s var(--ease-out); }
.jobdialog[open] { opacity: 1; transform: none; }
.jobdialog::backdrop { opacity: 0; transition: opacity 0.28s var(--ease-out); }
.jobdialog[open]::backdrop { opacity: 1; }
@starting-style {
  .jobdialog[open] { opacity: 0; transform: translateY(10px) scale(0.985); }
  .jobdialog[open]::backdrop { opacity: 0; }
}
.job__apply { margin-top: var(--sp-lg); }
@media (max-width: 720px) {
  .job { grid-template-columns: 1fr; gap: var(--sp-xs); }
  .job__cols { grid-template-columns: 1fr; gap: var(--sp-md); }
}

/* ---------- Feature cards (used sparingly, non-identical) ---------- */
.pillars { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.pillars--2 { grid-template-columns: repeat(2, 1fr); }
.pillars--3 { grid-template-columns: repeat(3, 1fr); }
.pillars--4 { grid-template-columns: repeat(4, 1fr); }
.pillar { background: var(--bg); padding: clamp(1.5rem, 1rem + 1.8vw, 2.5rem); display: flex; flex-direction: column; gap: var(--sp-sm); }
.pillar__icon { width: 2.4rem; height: 2.4rem; color: var(--accent); }
.pillar h3 { font-size: var(--fs-h5); font-family: var(--font-display); }
.pillar p { color: var(--muted); font-size: 0.96rem; }

/* ---------- Stat ledger ---------- */
.ledger { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.ledger__cell { padding: clamp(1.4rem, 1rem + 1.4vw, 2.2rem); border-right: 1px solid var(--line); }
.ledger__cell:last-child { border-right: none; }
.ledger__n { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3.4rem); letter-spacing: -0.04em; line-height: 1; display: flex; align-items: baseline; gap: 0.1em; }
.ledger__n sup, .ledger__n .u { font-size: 0.42em; font-weight: 600; color: var(--accent-text); font-family: var(--font-mono); letter-spacing: 0; }
.ledger__l { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-top: 0.8rem; line-height: 1.4; }

/* ---------- Sector marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding-block: var(--sp-md); -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; gap: var(--sp-xl); width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.6rem); color: var(--muted); letter-spacing: -0.02em; white-space: nowrap; display: inline-flex; align-items: center; gap: var(--sp-xl); }
.marquee__item::after { content: "/"; color: var(--accent); font-family: var(--font-mono); font-weight: 400; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Cert badges ---------- */
.certs { display: flex; flex-wrap: wrap; gap: var(--sp-sm); }
.cert { display: inline-flex; align-items: center; gap: 0.7rem; padding: 0.7em 1.1em; border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em; }
.cert svg { width: 1.1rem; height: 1.1rem; color: var(--accent); }

/* ---------- Posts / news index ---------- */
.posts { border-top: 1px solid var(--line); }
.post {
  display: grid; grid-template-columns: 13rem 1fr auto; gap: var(--sp-md);
  align-items: start; padding: clamp(1.5rem, 1rem + 1.6vw, 2.4rem) 0;
  border-bottom: 1px solid var(--line); transition: background-color 0.4s;
}
.post__meta { display: flex; flex-direction: column; gap: 0.7rem; padding-top: 0.35rem; }
.post__date { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--muted); }
.post__body h3 { font-size: var(--fs-h4); margin-bottom: 0.5rem; }
.post__body p { color: var(--muted); max-width: 60ch; }
.post .svc__go { align-self: center; }
.post:hover .svc__go { background: var(--signal); border-color: var(--signal); color: oklch(0.22 0.04 60); transform: translateX(3px); }
.feature {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-2xl);
  align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 1.1rem + 2.4vw, 3rem);
}
.feature__tag { display: inline-flex; align-items: center; gap: 0.6em; }
.feature h3 { font-size: var(--fs-h3); margin-block: var(--sp-sm) var(--sp-md); }

@media (max-width: 720px) {
  .post { grid-template-columns: 1fr; gap: var(--sp-sm); }
  .post .svc__go { display: none; }
  .feature { grid-template-columns: 1fr; gap: var(--sp-lg); }
}

/* ---------- Split / callout ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: center; }
.callout { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(2rem, 1.4rem + 3vw, 4rem); }

/* CTA band */
.cta-band { display: grid; grid-template-columns: 1.3fr auto; gap: var(--sp-xl); align-items: center; }
.cta-band h2 { max-width: 18ch; }

/* ---------- Prose (inner pages) ---------- */
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: var(--sp-md); }
.prose h2 { margin-top: var(--sp-xl); }
.prose h3 { margin-top: var(--sp-lg); font-size: var(--fs-h4); }
.prose p { color: var(--muted); }
.prose ul { display: grid; gap: 0.7rem; margin-top: var(--sp-sm); }
.prose li { position: relative; padding-left: 1.6rem; color: var(--muted); }
.prose li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 0.6rem; height: 1px; background: var(--accent); }
ol.prose { counter-reset: step; }
ol.prose li { counter-increment: step; padding-left: 2rem; }
ol.prose li::before {
  content: counter(step, decimal-leading-zero);
  top: 0; width: auto; height: auto; background: none;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.02em; color: var(--accent-text);
}

/* page hero (inner pages) */
.page-hero { padding-block: clamp(3rem, 2rem + 4vw, 6rem) var(--sp-2xl); }
.page-hero h1 { max-width: 16ch; margin-top: var(--sp-sm); }
.page-hero .lead { margin-top: var(--sp-md); max-width: 54ch; }
.breadcrumb { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: start; }
.contact-card { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.6rem, 1.2rem + 2vw, 2.6rem); }
.contact-card + .contact-card { margin-top: var(--sp-md); }
.contact-card .mono { color: var(--muted); display: block; margin-bottom: 0.5rem; }
.contact-card .big { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h4); letter-spacing: -0.02em; overflow-wrap: anywhere; }
.contact-card .big a:hover { color: var(--accent); }
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: var(--sp-md); }
.field label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field input, .field textarea, .field select {
  font: inherit; font-size: 0.98rem; color: var(--fg);
  background: var(--bone); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.8em 0.9em; transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--signal);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--signal) 22%, transparent);
}
.field textarea { resize: vertical; min-height: 8rem; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: var(--sp-sm); }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(18px); }
.reveal-in [data-reveal], [data-reveal].is-in {
  opacity: 1; transform: none;
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }
[data-reveal][data-delay="4"] { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .flow, .node-pulse, .status__dot::after, .marquee__track { animation: none !important; }
  .btn, .link-arrow, .svc__go { transition: none !important; }
  .jobdialog, .jobdialog::backdrop { transition: none !important; opacity: 1 !important; transform: none !important; }
}

/* ---------- Mobile nav panel ---------- */
.nav__panel { display: contents; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .opsviz { order: -1; }
  .split, .contact-grid, .cta-band { grid-template-columns: 1fr; gap: var(--sp-lg); }
  .pillars--2, .pillars--3 { grid-template-columns: 1fr; }
  .pillars--4 { grid-template-columns: repeat(2, 1fr); }
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .ledger__cell:nth-child(2) { border-right: none; }
  .ledger__cell:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-lg); }
}

@media (max-width: 1180px) {
  .nav__toggle {
    display: inline-grid; place-items: center; margin-left: auto;
    width: 2.8rem; height: 2.8rem; border: 1px solid var(--paper-line); border-radius: var(--radius);
  }
  .nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
    content: ""; display: block; width: 18px; height: 2px; background: var(--ink);
    transition: transform 0.4s var(--ease-out), opacity 0.2s;
  }
  .nav__toggle span::before { transform: translateY(-6px); }
  .nav__toggle span::after { transform: translateY(4px); }
  .nav[data-open="true"] .nav__toggle span { background: transparent; }
  .nav[data-open="true"] .nav__toggle span::before { transform: rotate(45deg); }
  .nav[data-open="true"] .nav__toggle span::after { transform: rotate(-45deg) translateY(-1px); }

  .nav__panel {
    display: flex; flex-direction: column; gap: var(--sp-lg);
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--bone); border-bottom: 1px solid var(--paper-line);
    padding: var(--sp-lg) var(--gutter) var(--sp-xl);
    transform: translateY(-120%); transition: transform 0.5s var(--ease-out);
    box-shadow: 0 30px 60px -40px oklch(0.2 0.03 80 / 0.5);
    z-index: 55;
  }
  .nav[data-open="true"] .nav__panel { transform: translateY(0); }
  .nav__links { flex-direction: column; align-items: flex-start; gap: var(--sp-md); margin-left: 0; }
  .nav__links a { font-size: 1.3rem; font-family: var(--font-display); font-weight: 600; }
  .nav__actions { flex-direction: column; align-items: stretch; gap: var(--sp-sm); }
  .nav__actions .btn { justify-content: center; }
  .nav__phone { font-size: 1rem; }
  .cta-band { grid-template-columns: 1fr; }
  .hero__meta { gap: var(--sp-md) var(--sp-lg); }
}

@media (max-width: 460px) {
  .svc { grid-template-columns: 2.5rem 1fr; }
  .svc__go { display: none; }
  .ledger { grid-template-columns: 1fr; }
  .ledger__cell { border-right: none; border-bottom: 1px solid var(--line); }
  .ledger__cell:last-child { border-bottom: none; }
  .pillars--4 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: no-preference) {
  .nav__panel { transition: transform 0.5s var(--ease-out); }
}