/* ==========================================================================
   QUANTUMHIRES — DESIGN TOKENS
   ========================================================================== */
:root{
  /* Color */
  --purple-950: #150826;
  --purple-900: #1c0d33;
  --purple-800: #2b1350;
  --purple-700: #3c1a6e;
  --purple-600: #52258f;
  --purple-line: rgba(180, 150, 220, 0.16);

  --chartreuse: #d8fb3c;
  --chartreuse-dim: #a8c62a;
  --chartreuse-soft: rgba(216, 251, 60, 0.12);

  --cream: #f2eefb;
  --muted: #b4a4d1;
  --muted-dim: #8574a6;

  --ink: #120821; /* text on chartreuse */

  /* Type */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Layout */
  --wrap-w: 1180px;
  --radius: 3px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--purple-950);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap{
  max-width: var(--wrap-w);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 20px;
  color: var(--cream);
  letter-spacing: -0.01em;
}

p{ margin: 0 0 16px; color: var(--muted); }
p:last-child{ margin-bottom: 0; }

a{ color: inherit; text-decoration: none; }

img, svg{ display: block; max-width: 100%; }

::selection{ background: var(--chartreuse); color: var(--ink); }

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

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: var(--chartreuse);
  color: var(--ink);
}
.btn-primary:hover{ background: #e4ff6a; }

.btn-dark{
  background: var(--purple-950);
  color: var(--chartreuse);
  border-color: var(--purple-950);
}
.btn-dark:hover{ background: var(--purple-900); }

.btn-ghost{
  background: transparent;
  color: var(--cream);
  border-color: rgba(242, 238, 251, 0.35);
}
.btn-ghost:hover{ border-color: var(--chartreuse); color: var(--chartreuse); }

.btn-lg{ padding: 16px 32px; font-size: 16px; }

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(21, 8, 38, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--purple-line);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.wordmark{
  display: inline-flex;
  align-items: center;
}
.wordmark-img{
  height: 34px;
  width: auto;
  display: block;
}

.main-nav{
  display: flex;
  align-items: center;
  gap: 32px;
  margin-right: auto;
  margin-left: 48px;
}
.main-nav a{
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.15s ease;
}
.main-nav a:hover{ color: var(--cream); }

.btn-nav{ padding: 10px 20px; font-size: 14px; }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--purple-line);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 1px;
  width: 18px;
  margin: 0 auto;
  background: var(--cream);
}

.mobile-nav{
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 32px 24px;
  border-top: 1px solid var(--purple-line);
}
.mobile-nav a{
  padding: 12px 0;
  font-size: 15px;
  color: var(--muted);
  border-bottom: 1px solid var(--purple-line);
}
.mobile-nav .btn{ margin-top: 16px; align-self: flex-start; }

.site-header.nav-open .mobile-nav{ display: flex; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position: relative;
  padding: 120px 0 96px;
  overflow: hidden;
}

.wafer-field{
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--purple-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--purple-line) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 65% 55% at 68% 30%, black 0%, transparent 72%);
  mask-image: radial-gradient(ellipse 65% 55% at 68% 30%, black 0%, transparent 72%);
  opacity: 0.9;
}
.wafer-field::after{
  content: "";
  position: absolute;
  top: 30%;
  right: 18%;
  width: 44px;
  height: 44px;
  background: var(--chartreuse-soft);
  border: 1px solid var(--chartreuse);
  animation: die-pulse 3.2s ease-in-out infinite;
}
@keyframes die-pulse{
  0%, 100%{ box-shadow: 0 0 0 0 rgba(216, 251, 60, 0.35); }
  50%{ box-shadow: 0 0 0 10px rgba(216, 251, 60, 0); }
}

.hero-inner{
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chartreuse);
  margin: 0 0 22px;
}

.hero-headline{
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  margin-bottom: 24px;
}

.hero-sub{
  font-size: 18px;
  line-height: 1.65;
  max-width: 600px;
  margin-bottom: 36px;
  color: var(--muted);
}

.hero-cta{
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   PROOF STRIP
   ========================================================================== */
.proof-strip{
  border-top: 1px solid var(--purple-line);
  border-bottom: 1px solid var(--purple-line);
  background: var(--purple-900);
}
.proof-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px;
  gap: 24px;
  flex-wrap: wrap;
}
.proof-item{
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 180px;
}
.proof-mark{
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--chartreuse);
}
.proof-label{
  font-size: 13.5px;
  color: var(--muted-dim);
}
.proof-divider{
  width: 1px;
  align-self: stretch;
  background: var(--purple-line);
}

/* ==========================================================================
   SECTION SHARED
   ========================================================================== */
section{ padding: 108px 0; }

.section-eyebrow{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--chartreuse-dim);
  margin: 0 0 16px;
}
.section-eyebrow--center{ text-align: center; }

.section-title{ font-size: clamp(1.8rem, 3.2vw, 2.4rem); max-width: 720px; }
.section-title--center{ text-align: center; margin-left: auto; margin-right: auto; }

.section-lede{
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  font-size: 17px;
}

/* ==========================================================================
   BACKGROUND MODIFIERS
   ========================================================================== */
.bg-950{ background: var(--purple-950); }
.bg-900{ background: var(--purple-900); }

/* ==========================================================================
   SPECIALTIES (taxonomy cards)
   ========================================================================== */
.specialties{ background: var(--purple-900); }
.specialties .wrap > .section-title{ margin-bottom: 56px; }

.specialty-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.specialty-card{
  background: var(--purple-950);
  border: 1px solid var(--purple-line);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.specialty-card:hover{
  border-color: var(--chartreuse);
  transform: translateY(-4px);
}
.specialty-card h3{
  font-size: 17px;
  margin-bottom: 14px;
}
.specialty-roles{
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

/* Condensed process strip under categories */
.process-mini{
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--purple-line);
  text-align: center;
}
.process-mini-caption{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--muted-dim);
  margin-bottom: 24px;
}
.process-mini-row{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.process-mini-stage{
  background: var(--purple-950);
  border: 1px solid var(--purple-line);
  border-radius: 999px;
  padding: 9px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

/* ==========================================================================
   METHOD / POSITIONING (two-column with trace-card visual)
   ========================================================================== */
.positioning{ background: var(--purple-950); }
.positioning-inner{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 72px;
  align-items: center;
}
.positioning-copy h2{ font-size: clamp(1.8rem, 3vw, 2.3rem); }
.positioning-copy p{ font-size: 16.5px; }

.trace-card{
  background: var(--purple-900);
  border: 1px solid var(--purple-line);
  border-radius: var(--radius);
  padding: 32px;
}
.trace-card-row{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 14.5px;
  color: var(--muted-dim);
  font-family: var(--font-mono);
}
.trace-card-row--on{ color: var(--cream); }
.trace-card-divider{
  height: 1px;
  background: var(--purple-line);
  margin: 12px 0;
}
.trace-dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.trace-dot--off{ background: var(--purple-600); }
.trace-dot--on{ background: var(--chartreuse); box-shadow: 0 0 8px rgba(216,251,60,0.6); }

/* ==========================================================================
   SILICON SIGNAL
   ========================================================================== */
.signal-section{ background: var(--purple-900); }

/* ==========================================================================
   SPLIT SECTIONS (CLIENTS / CANDIDATES)
   ========================================================================== */
.split{ background: var(--purple-950); }
.split--alt{ background: var(--purple-900); }

.split-inner{ display: flex; justify-content: center; }
.split-copy{ max-width: 680px; }
.split-copy h2{ font-size: clamp(1.7rem, 3vw, 2.2rem); }
.split-copy p{ font-size: 16.5px; }
.split-copy .btn{ margin-top: 12px; }

/* ==========================================================================
   APPROACH
   ========================================================================== */
.approach{ background: var(--purple-950); }
.approach .wrap > .section-eyebrow,
.approach .wrap > .section-title{ margin-bottom: 0; }
.approach .section-title{ margin-bottom: 56px; }

.approach-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--purple-line);
  border: 1px solid var(--purple-line);
}
.approach-item{
  background: var(--purple-950);
  padding: 32px 26px;
}
.approach-item h3{
  font-size: 16.5px;
  color: var(--chartreuse);
  margin-bottom: 12px;
}
.approach-item p{ font-size: 14.5px; }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about{ background: var(--purple-900); }
.about-inner{ display: flex; justify-content: center; }
.about-copy{ max-width: 700px; }
.about-copy h2{ font-size: clamp(1.8rem, 3vw, 2.3rem); }
.about-copy p{ font-size: 16.5px; }

/* ==========================================================================
   FINAL CTA
   ========================================================================== */
.final-cta{
  background: var(--chartreuse);
  padding: 96px 0;
}
.final-cta-inner{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
}
.final-cta h2{
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 2.8rem);
  max-width: 620px;
  margin: 0;
}
.final-cta-sub{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(18, 8, 33, 0.7);
  margin: -16px 0 0;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{
  background: var(--purple-950);
  border-top: 1px solid var(--purple-line);
  padding: 48px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.wordmark--footer .wordmark-img{ height: 30px; opacity: 0.85; }
.footer-meta{
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted-dim);
  flex-wrap: wrap;
}
.footer-meta a:hover{ color: var(--chartreuse); }
.footer-divider{ color: var(--purple-600); }
.footer-copyright{
  width: 100%;
  font-size: 12.5px;
  color: var(--muted-dim);
  margin-top: 8px;
  opacity: 0.7;
}

/* ==========================================================================
   SCROLL REVEAL
   ========================================================================== */
.reveal{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }
  .btn-nav{ display: none; }

  .positioning-inner{ grid-template-columns: 1fr; gap: 40px; }
  .specialty-grid{ grid-template-columns: repeat(2, 1fr); }
  .approach-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px){
  .wrap{ padding: 0 20px; }
  section{ padding: 72px 0; }
  .hero{ padding: 88px 0 64px; }
  .hero-headline{ font-size: 2.1rem; }
  .hero-sub p{ font-size: 16.5px; }
  .hero-cta{ flex-direction: column; align-items: stretch; }
  .hero-cta .btn{ width: 100%; }
  .proof-inner{ flex-direction: column; align-items: flex-start; }
  .proof-divider{ display: none; }
  .specialty-grid{ grid-template-columns: 1fr; }
  .process-mini-row{ flex-direction: column; align-items: stretch; }
  .approach-grid{ grid-template-columns: 1fr; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
}