/* ============================================================
   zeirowork — shared design system
   Forked from the Zeiro visual language (cream + navy editorial,
   mono micro-labels, numbered sections) with a distinct
   signal-lime accent for the Operating Layer product.
   ============================================================ */

/* Tweak-alternate display fonts only (brand fonts are self-hosted below) */
@import url('https://fonts.googleapis.com/css2?family=Schibsted+Grotesk:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* Aspekta — the Zeiro brand sans (self-hosted). Single 400 master mapped across
   the whole weight range so every weight request renders the brand file, exactly
   as on zeiro.ai — no synthetic bolding. */
@font-face {
  font-family: 'Aspekta';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('fonts/Aspekta-400.woff2') format('woff2');
}
/* Roboto Mono Regular — the brand mono (self-hosted) */
@font-face {
  font-family: 'Roboto Mono';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('fonts/RobotoMono-Regular.woff2') format('woff2');
}

:root {
  /* — ink (dark) — */
  --ink:        #0E121B;
  --ink-2:      #141A26;
  --ink-3:      #1C2433;
  --ink-line:   rgba(244,241,233,0.10);
  --ink-line-2: rgba(244,241,233,0.16);

  /* — paper (light) — */
  --paper:      #F1EDE3;
  --paper-2:    #E9E3D5;
  --paper-3:    #DED7C6;
  --paper-line: rgba(20,24,31,0.12);

  /* — text — */
  --on-paper:        #14181F;
  --on-paper-muted:  #6C6759;
  --on-paper-faint:  #94907F;
  --on-ink:          #F2EFE7;
  --on-ink-muted:    rgba(242,239,231,0.60);
  --on-ink-faint:    rgba(242,239,231,0.38);

  /* — signal accent → Periwinkle (Periwinkle & Bone palette) — */
  --signal:      #8E9DBC;
  --signal-deep: #6E7EA4;
  --signal-ink:  #0E121B;   /* ink text that sits on a periwinkle fill */

  /* — Periwinkle & Bone palette tokens — */
  --bone:      #F4F1E9;
  --slate:     #3A445C;
  --periwinkle:#8E9DBC;
  --iceblue:   #C8CFDD;
  --platinum:  #E2E4EA;
  --putty:     #BBA992;
  --ember:     #B85B40;

  /* — type — brand: Aspekta (sans) + Roboto Mono (labels) — */
  --sans: 'Aspekta', system-ui, -apple-system, sans-serif;
  --display: 'Aspekta', system-ui, -apple-system, sans-serif;
  --mono: 'Roboto Mono', ui-monospace, monospace;

  /* — layout — */
  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 72px);
  --nav-h: 68px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--on-paper);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
}

h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 400; line-height: 1.05; letter-spacing: -0.02em; }
.display { font-family: var(--display); }

/* tweakable display fonts */
html.font-geometric { --display: 'Space Grotesk', system-ui, sans-serif; }
html.font-editorial { --display: 'Schibsted Grotesk', system-ui, sans-serif; }

/* tweakable density */
html.dens-compact  .section { padding-block: clamp(48px, 7vw, 96px); }
html.dens-spacious .section { padding-block: clamp(96px, 14vw, 200px); }
p  { margin: 0; text-wrap: pretty; }
a  { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
::selection { background: var(--signal); color: var(--signal-ink); }

/* ---------- structure ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 11vw, 150px); position: relative; }
.section--ink   { background: var(--ink);   color: var(--on-ink); }
.section--paper { background: var(--paper); color: var(--on-paper); }
.section--paper2{ background: var(--paper-2); color: var(--on-paper); }

/* ---------- micro labels ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.kicker--muted { color: var(--on-paper-muted); }
.on-ink .kicker--muted, .section--ink .kicker--muted { color: var(--on-ink-muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--on-paper-muted);
}
.section--ink .eyebrow, .on-ink .eyebrow { color: var(--on-ink-muted); }
.eyebrow::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 25%, transparent);
}

/* ---------- display type ---------- */
.display {
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  font-weight: 400; line-height: 0.98; letter-spacing: -0.035em;
}
.h-xl { font-size: clamp(2.1rem, 4.4vw, 3.7rem); letter-spacing: -0.03em; }
.h-lg { font-size: clamp(1.7rem, 3vw, 2.5rem); letter-spacing: -0.025em; }
.h-md { font-size: clamp(1.25rem, 1.8vw, 1.55rem); letter-spacing: -0.015em; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.28rem); line-height: 1.5; color: var(--on-paper-muted); }
.section--ink .lead, .on-ink .lead { color: var(--on-ink-muted); }
.measure { max-width: 60ch; }
.measure-sm { max-width: 44ch; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  padding: 13px 22px; border-radius: 2px; border: 1px solid transparent;
  cursor: pointer; transition: all .22s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--signal); color: var(--signal-ink); }
.btn--primary:hover { background: var(--signal-deep); transform: translateY(-1px); }
.btn--ghost { background: transparent; border-color: var(--paper-line); color: var(--on-paper); }
.btn--ghost:hover { border-color: var(--on-paper); }
.section--ink .btn--ghost, .on-ink .btn--ghost { border-color: var(--ink-line-2); color: var(--on-ink); }
.section--ink .btn--ghost:hover, .on-ink .btn--ghost:hover { border-color: var(--on-ink); background: rgba(255,255,255,.04); }
.btn--lg { padding: 16px 28px; font-size: 16px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.04em; font-weight: 500;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
  transition: gap .22s var(--ease), opacity .2s;
}
.link-arrow:hover { gap: 14px; }

/* ---------- status dot ---------- */
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); display: inline-block; }
.dot--live { position: relative; }
.dot--live::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 1px solid var(--signal); opacity: .6;
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0% { transform: scale(.6); opacity: .8; } 100% { transform: scale(1.7); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .dot--live::after { animation: none; opacity: 0; } }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 100;
  display: flex; align-items: center;
  transition: background .3s var(--ease), border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav__brand { display: flex; align-items: baseline; gap: 9px; font-weight: 500; font-size: 18px; letter-spacing: -0.03em; color: var(--on-ink); }
.nav__brand .tld { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .12em; color: var(--signal-deep); transform: translateY(-1px); }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { font-size: 14.5px; font-weight: 500; color: var(--on-ink-muted); transition: color .2s; }
.nav__links a:hover { color: var(--on-ink); }
.nav__cta { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--on-ink);
  padding: 9px 16px; border: 1px solid var(--ink-line-2); border-radius: 2px; transition: all .2s; }
.nav__cta:hover { border-color: var(--signal); color: var(--signal); }

.nav[data-scrolled="true"] { background: color-mix(in srgb, var(--ink) 82%, transparent); backdrop-filter: blur(14px); border-color: var(--ink-line); }
.nav.is-light .nav__links a { color: var(--on-paper-muted); }
.nav.is-light .nav__brand { color: var(--on-paper); }
.nav.is-light .nav__links a:hover { color: var(--on-paper); }
.nav.is-light .nav__cta { border-color: var(--paper-line); color: var(--on-paper); }
.nav.is-light .nav__brand .tld { color: var(--signal-deep); }
.nav.is-light[data-scrolled="true"] { background: color-mix(in srgb, var(--paper) 84%, transparent); border-color: var(--paper-line); }
@media (max-width: 760px){ .nav__links { display: none; } }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: var(--on-ink); padding-block: clamp(56px, 8vw, 96px) 36px; }
.foot__cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.foot__h { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--on-ink-faint); margin-bottom: 16px; }
.foot__col a { display: block; font-size: 14.5px; color: var(--on-ink-muted); padding: 5px 0; transition: color .2s; }
.foot__col a:hover { color: var(--signal); }
.foot__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px;
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--ink-line);
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; color: var(--on-ink-faint); text-transform: uppercase; }
@media (max-width: 760px){ .foot__cols { grid-template-columns: 1fr 1fr; gap: 32px; } .foot__bottom { flex-direction: column; align-items: flex-start; } }

/* ---------- reveal ----------
   Base (no JS) = visible. Hidden only once <html> has .js, so content never
   gets stranded invisible. Above-fold reveals are made instant via .reveal-instant
   (removed on first frame) so first paint shows them. .showall forces everything
   visible (used for full-page verification). */
html.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js [data-reveal].in { opacity: 1; transform: none; }
html.js.reveal-instant [data-reveal] { transition: none; }
html.js [data-reveal][data-delay="1"] { transition-delay: .08s; }
html.js [data-reveal][data-delay="2"] { transition-delay: .16s; }
html.js [data-reveal][data-delay="3"] { transition-delay: .24s; }
html.js [data-reveal][data-delay="4"] { transition-delay: .32s; }
html.showall [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
@media (prefers-reduced-motion: reduce) { html.js [data-reveal] { opacity: 1 !important; transform: none !important; } }

/* ---------- hairline divider ---------- */
.rule { height: 1px; background: var(--paper-line); border: 0; }
.section--ink .rule { background: var(--ink-line); }

/* ---------- mono data list ---------- */
.kv { font-family: var(--mono); font-size: 13px; letter-spacing: .02em; }
.tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 9px; border: 1px solid currentColor; border-radius: 2px; color: var(--on-paper-muted);
}
.section--ink .tag { color: var(--on-ink-muted); }