/* ============================================================
   Vortexuf — tech recruitment
   Mux-inspired: high-contrast, developer/technical, monospace labels
   One shared stylesheet. Self-contained, no external assets.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --ink: #0a0a0a;
  --ink-2: #1a1a1a;
  --paper: #ffffff;
  --paper-2: #fafafa;
  --line: #e4e4e4;
  --line-strong: #0a0a0a;
  --muted: #6b6b6b;
  --muted-2: #8a8a8a;
  --accent: #e6007a;
  --accent-ink: #ffffff;
  --accent-soft: #fdeaf4;

  --radius: 6px;
  --radius-sm: 4px;
  --maxw: 1160px;
  --gutter: 24px;

  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Menlo", "Consolas", "Liberation Mono", monospace;

  --step: cubic-bezier(.2,.6,.2,1);
}

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.08; margin: 0; letter-spacing: -0.02em; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 92px 0; border-top: 1px solid var(--line); }
.section--tight { padding: 64px 0; }
.section--dark {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid var(--ink);
}
.section--dark .eyebrow { color: var(--accent); }
.section--dark .lead { color: #b8b8b8; }

/* ---------- Typographic helpers ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.mono { font-family: var(--mono); }
.h-xl { font-size: clamp(38px, 6vw, 68px); }
.h-lg { font-size: clamp(30px, 4.4vw, 46px); }
.h-md { font-size: clamp(22px, 3vw, 30px); }
.lead {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--muted);
  line-height: 1.55;
  max-width: 60ch;
}
.section-head { max-width: 62ch; margin-bottom: 48px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  padding: 13px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: transform .12s var(--step), background .15s, color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.section--dark .btn--ghost { color: var(--paper); border-color: #3a3a3a; }
.section--dark .btn--ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn .ar { transition: transform .15s var(--step); }
.btn:hover .ar { transform: translateX(3px); }

/* ---------- Chips (code-like) ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  color: var(--ink-2);
  white-space: nowrap;
}
.chip::before { content: "›"; color: var(--accent); margin-right: 7px; }
.section--dark .chip { background: #141414; border-color: #2a2a2a; color: #cfcfcf; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -0.02em; font-size: 18px; }
.brand svg { width: 26px; height: 26px; }
.brand .mark-box { display: inline-flex; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  transition: color .12s, background .12s;
}
.nav-links a:hover { color: var(--ink); background: var(--paper-2); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; margin-top: 4px;
  background: var(--accent); border-radius: 2px;
}
.nav-cta { margin-left: 8px; }

/* mobile nav toggle */
.nav-toggle {
  display: none;
  width: 42px; height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--ink);
  position: relative; transition: transform .2s, opacity .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(120% 90% at 78% 20%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 90% at 78% 20%, #000 0%, transparent 72%);
  opacity: .7;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding: 96px 0 88px;
}
.hero h1 { margin-bottom: 22px; }
.hero .accent-line { color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 22px;
  margin-top: 34px; padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 12.5px; color: var(--muted);
}
.hero-meta b { color: var(--ink); font-weight: 600; }

/* hero diagram panel */
.diagram {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
  box-shadow: 8px 8px 0 rgba(10,10,10,0.06);
}
.diagram-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  background: var(--paper-2);
}
.diagram-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.diagram-bar .dot.on { background: var(--accent); }
.diagram-bar .fname { margin-left: auto; }
.diagram-body { padding: 20px; }
.pipe-row {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 0; border-bottom: 1px dashed var(--line);
}
.pipe-row:last-child { border-bottom: 0; }
.pipe-num {
  font-family: var(--mono); font-size: 12px; color: var(--accent);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  width: 30px; height: 30px; display: grid; place-items: center; flex: 0 0 auto;
}
.pipe-label { font-family: var(--mono); font-size: 13.5px; font-weight: 600; }
.pipe-desc { font-size: 12.5px; color: var(--muted); }
.pipe-grow { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--muted-2); }

/* ---------- Card grids ---------- */
.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.cell {
  background: var(--paper);
  padding: 30px 28px;
  transition: background .15s;
}
.cell:hover { background: var(--paper-2); }
.cell .num { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.cell h3 { font-size: 19px; margin: 12px 0 10px; }
.cell p { color: var(--muted); font-size: 14.5px; }
.cell .icon { color: var(--accent); margin-bottom: 4px; }

/* free cards (not gapless grid) */
.cards { display: grid; gap: 20px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--paper);
  transition: border-color .15s, transform .12s var(--step);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .tag { display: inline-block; margin-bottom: 14px; }

/* ---------- Process steps ---------- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step-key { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.step-key b { display: block; color: var(--accent); font-size: 13px; margin-bottom: 4px; }
.step h3 { font-size: 20px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; max-width: 62ch; }

/* ---------- Feature list (why-us) ---------- */
.feat { display: grid; grid-template-columns: 28px 1fr; gap: 16px; align-items: start; padding: 6px 0; }
.feat .tick { color: var(--accent); margin-top: 2px; }
.feat h4 { font-size: 16.5px; margin-bottom: 5px; }
.feat p { color: var(--muted); font-size: 14.5px; }

/* ---------- Sectors strip ---------- */
.sector-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.sector-tag {
  font-family: var(--mono); font-size: 13px;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px 15px; background: var(--paper);
  transition: border-color .15s, color .15s;
}
.sector-tag:hover { border-color: var(--accent); color: var(--accent); }
.section--dark .sector-tag { background: #141414; border-color: #2a2a2a; color: #d0d0d0; }
.section--dark .sector-tag:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Stat band ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #2a2a2a; border: 1px solid #2a2a2a; border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--ink); padding: 34px 26px; }
.stat .n { font-size: clamp(30px, 4vw, 44px); font-weight: 700; letter-spacing: -0.03em; }
.stat .n span { color: var(--accent); }
.stat .l { font-family: var(--mono); font-size: 12px; color: #9a9a9a; margin-top: 8px; text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- CTA band ---------- */
.cta {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center;
}
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Sectors page groups ---------- */
.spec-group { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-head {
  display: flex; align-items: baseline; gap: 14px;
  padding: 22px 26px; border-bottom: 1px solid var(--line); background: var(--paper-2);
}
.spec-head .k { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.spec-head h3 { font-size: 21px; }
.spec-body { padding: 24px 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.role-list li { display: flex; gap: 10px; padding: 7px 0; font-size: 14.5px; border-bottom: 1px dashed var(--line); }
.role-list li:last-child { border-bottom: 0; }
.role-list li::before { content: "//"; font-family: var(--mono); color: var(--accent); font-size: 12px; }

/* ---------- Contact / form ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.contact-list { display: grid; gap: 2px; }
.contact-item {
  display: grid; grid-template-columns: 120px 1fr; gap: 14px; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.contact-item .k { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-item .v { font-size: 16px; font-weight: 600; }
.contact-item .v a:hover { color: var(--accent); }

form.rec {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 30px; background: var(--paper);
  box-shadow: 8px 8px 0 rgba(10,10,10,0.05);
}
.field { margin-bottom: 18px; }
.field label {
  display: block; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 15px;
  padding: 12px 13px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--paper); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-family: var(--mono); font-size: 11.5px; color: var(--muted-2); margin-top: 12px; }

/* ---------- Callout ---------- */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--paper-2);
  padding: 22px 26px; border-radius: var(--radius-sm);
  font-size: 17px; line-height: 1.6;
}
.callout .who { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 12px; }

/* ---------- Owner block ---------- */
.owner-card {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; background: var(--paper-2);
}
.owner-avatar {
  width: 60px; height: 60px; border-radius: var(--radius); background: var(--ink);
  color: var(--accent); display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 20px; letter-spacing: -0.02em;
}
.owner-card .name { font-weight: 700; font-size: 17px; }
.owner-card .role { font-family: var(--mono); font-size: 12.5px; color: var(--muted); margin-top: 3px; }

/* ---------- Prose ---------- */
.prose p { color: var(--ink-2); font-size: 16.5px; line-height: 1.7; margin-bottom: 18px; max-width: 68ch; }
.prose p:last-child { margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink); color: #c8c8c8;
  border-top: 1px solid var(--ink);
  padding: 60px 0 34px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer .brand { color: var(--paper); }
.site-footer h5 { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: #7a7a7a; margin: 0 0 14px; font-weight: 600; }
.site-footer a { color: #c8c8c8; font-size: 14px; }
.site-footer a:hover { color: var(--accent); }
.footer-links li { padding: 5px 0; }
.footer-tagline { color: #9a9a9a; font-size: 14px; margin-top: 14px; max-width: 34ch; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
  margin-top: 44px; padding-top: 22px; border-top: 1px solid #262626;
  font-family: var(--mono); font-size: 12px; color: #7a7a7a;
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mt-40 { margin-top: 40px; }
.center { text-align: center; }
.divider-note { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.04em; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 68px 0 60px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .cta { grid-template-columns: 1fr; gap: 26px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .section { padding: 62px 0; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 10px var(--gutter) 18px; gap: 2px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 10px; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { color: var(--accent); }
  .nav-cta { margin-left: 0; margin-top: 6px; }
  .nav-toggle { display: inline-flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .step { grid-template-columns: 1fr; gap: 8px; }
  .spec-body { grid-template-columns: 1fr; gap: 16px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-item { grid-template-columns: 1fr; gap: 3px; }
  .owner-card { grid-template-columns: 1fr; text-align: left; }
}
@media (max-width: 400px) {
  .stats { grid-template-columns: 1fr; }
}