/* ============================================================
   INVOLVE — Design System
   Palette: Void Indigo (bg-dark), Signal Indigo (primary),
            Electric Cyan (accent), Paper (bg-light), Slate, Ink
   Type: Manrope (display) / Inter (body) / JetBrains Mono (utility)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

:root{
  --void:#0B0F2E;
  --void-2:#12173F;
  --signal:#4F46E5;
  --signal-2:#6D5EF0;
  --cyan:#22D3EE;
  --paper:#FAFAFC;
  --paper-2:#F1F1F8;
  --ink:#0F172A;
  --slate:#5B6178;
  --line:#E4E4EF;
  --line-dark:rgba(255,255,255,0.09);

  --display:'Manrope', sans-serif;
  --body:'Inter', sans-serif;
  --mono:'JetBrains Mono', monospace;

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:28px;
  --max:1180px;
  --ease:cubic-bezier(.19,1,.22,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}}

body{
  font-family:var(--body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{max-width:var(--max);margin:0 auto;padding:0 28px}

h1,h2,h3,h4{font-family:var(--display);letter-spacing:-0.02em;line-height:1.08;color:var(--ink)}
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal);
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.18)}

:focus-visible{outline:2px solid var(--signal); outline-offset:3px; border-radius:4px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;
  font-weight:600;font-size:15px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--signal), var(--signal-2));
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(79,70,229,.55);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 14px 30px -8px rgba(79,70,229,.65)}
.btn-secondary{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.18);
  color:#fff;
  backdrop-filter:blur(6px);
}
.btn-secondary:hover{background:rgba(255,255,255,0.12); transform:translateY(-2px)}
.btn-ghost{
  background:var(--paper-2);
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{background:#fff; border-color:var(--signal); transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Nav ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:16px 0;
  transition:background .3s, box-shadow .3s, padding .3s;
}
.nav.scrolled{
  background:rgba(11,15,46,0.82);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.06);
  padding:12px 0;
}
.nav .container{display:flex;align-items:center;justify-content:space-between}
.brand{
  font-family:var(--display); font-weight:800; font-size:20px; color:#fff;
  display:flex;align-items:center;gap:9px;
}
.brand-icon{width:30px;height:auto;display:block;flex-shrink:0}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px 2px rgba(34,211,238,.7)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:rgba(255,255,255,.75); font-size:14.5px; font-weight:500; transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px}

@media (max-width: 880px){
  .nav-links{
    position:fixed; top:0; right:-100%; height:100vh; width:78%; max-width:320px;
    background:var(--void); flex-direction:column; justify-content:center; align-items:flex-start;
    padding:40px; gap:26px; transition:right .4s var(--ease); box-shadow:-20px 0 60px rgba(0,0,0,.4);
  }
  .nav-links.open{right:0}
  .nav-links a{font-size:19px}
  .nav-cta{display:none}
  .nav-links .mobile-cta{display:flex; flex-direction:column; gap:12px; margin-top:10px; width:100%}
  .nav-toggle{display:block; z-index:101}
}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(1100px 700px at 80% -10%, rgba(109,94,240,.35), transparent 60%),
             radial-gradient(800px 500px at -10% 20%, rgba(34,211,238,.15), transparent 60%),
             var(--void);
  color:#fff;
  padding:168px 0 110px;
  position:relative;
  overflow:hidden;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid; grid-template-columns:1.15fr 1fr; gap:60px; align-items:center}
.hero h1{font-size:clamp(2.4rem, 5vw, 4.1rem); color:#fff; max-width:640px}
.hero h1 .accent{background:linear-gradient(135deg,var(--cyan),var(--signal-2)); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero p.lead{margin-top:22px; font-size:18px; color:rgba(255,255,255,.68); max-width:520px}
.hero-ctas{display:flex; gap:14px; margin-top:38px; flex-wrap:wrap}
.hero-note{margin-top:22px; font-family:var(--mono); font-size:12.5px; color:rgba(255,255,255,.4); letter-spacing:.04em}

@media (max-width:880px){
  .hero{padding:120px 0 70px}
  .hero-grid{grid-template-columns:1fr; gap:44px}
  .hero p.lead{max-width:100%}
  .hero-ctas{flex-direction:column; align-items:stretch}
  .hero-ctas .btn{width:100%}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .hero{padding:104px 0 56px}
}

/* Signature element: live staffing board */
.board{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--radius-lg);
  padding:6px;
  backdrop-filter:blur(16px);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.6);
}
.board-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 18px 12px;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase;
  color:rgba(255,255,255,.45);
}
.board-head .live{display:flex;align-items:center;gap:7px;color:var(--cyan)}
.board-head .live span.pulse{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.board-list{display:flex;flex-direction:column;gap:8px;padding:6px}
.board-row{
  display:grid; grid-template-columns:1fr auto auto; align-items:center; gap:10px;
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-sm);
  padding:14px 16px;
  opacity:0; transform:translateY(8px);
  animation:rowIn .6s var(--ease) forwards;
}
.board-row:nth-child(1){animation-delay:.15s}
.board-row:nth-child(2){animation-delay:.35s}
.board-row:nth-child(3){animation-delay:.55s}
.board-row:nth-child(4){animation-delay:.75s}
.board-row:nth-child(5){animation-delay:.95s}
@keyframes rowIn{to{opacity:1;transform:translateY(0)}}
.board-role{font-size:14px; font-weight:600; color:#fff}
.board-role small{display:block; font-family:var(--mono); font-size:11px; font-weight:500; color:rgba(255,255,255,.4); margin-top:2px}
.board-status{
  font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase;
  padding:5px 10px; border-radius:999px;
}
.status-matched{background:rgba(34,211,238,.14); color:var(--cyan)}
.status-confirmed{background:rgba(79,70,229,.22); color:#c7c3ff}
.status-open{background:rgba(255,255,255,.08); color:rgba(255,255,255,.55)}
.board-count{font-family:var(--mono); font-size:12px; color:rgba(255,255,255,.4); text-align:right}

/* ---------- Sections ---------- */
section{padding:110px 0}
.section-head{max-width:640px; margin-bottom:56px}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center}
.section-head p{color:var(--slate); font-size:17px; margin-top:14px}
h2.h-lg{font-size:clamp(1.9rem, 3.6vw, 2.75rem)}

@media (max-width:880px){
  section{padding:64px 0}
  .section-head{margin-bottom:36px}
}

.bg-dark{background:var(--void); color:#fff}
.bg-dark .slate-on-dark{color:rgba(255,255,255,.6)}
.bg-alt{background:var(--paper-2)}

/* Reveal on scroll */
.reveal{opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1; transform:translateY(0)}

/* ---------- Cards grid ---------- */
.grid{display:grid; gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}}

.card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:30px 28px; transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover{transform:translateY(-6px); box-shadow:0 24px 50px -22px rgba(15,23,42,.18); border-color:transparent}
.card .icon{
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg, rgba(79,70,229,.12), rgba(34,211,238,.12));
  display:flex;align-items:center;justify-content:center; margin-bottom:20px;
  color:var(--signal); font-size:20px;
}
.card h3{font-size:18.5px; margin-bottom:8px}
.card p{color:var(--slate); font-size:14.8px}

/* dark variant card */
.card-dark{background:var(--void-2); border:1px solid var(--line-dark)}
.card-dark h3{color:#fff}
.card-dark p{color:rgba(255,255,255,.55)}
.card-dark .icon{background:rgba(255,255,255,.06); color:var(--cyan)}
.card-dark:hover{box-shadow:0 24px 60px -20px rgba(0,0,0,.5)}

/* ---------- Services icon grid ---------- */
.service-item{
  display:flex; gap:16px; align-items:flex-start;
  padding:24px; border-radius:var(--radius-md); border:1px solid var(--line);
  background:#fff; transition:box-shadow .3s, transform .3s;
}
.service-item:hover{transform:translateY(-4px); box-shadow:0 20px 40px -22px rgba(15,23,42,.16)}
.service-item .icon{flex-shrink:0}

/* ---------- Timeline (How it works) ---------- */
.tabs{display:flex; gap:10px; margin-bottom:44px; flex-wrap:wrap}
@media (max-width:480px){.tabs{margin-bottom:28px}}
.tab-btn{
  padding:10px 20px; border-radius:999px; font-size:14.5px; font-weight:600;
  border:1px solid var(--line); color:var(--slate); background:#fff;
  transition:all .25s;
}
.tab-btn.active{background:var(--ink); color:#fff; border-color:var(--ink)}
.timeline{display:grid; grid-template-columns:repeat(4,1fr); gap:20px}
@media(max-width:880px){.timeline{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.timeline{grid-template-columns:1fr}}
.tl-step{position:relative; padding-top:34px}
.tl-step .num{
  font-family:var(--mono); font-size:13px; color:var(--signal); font-weight:600;
  display:block; margin-bottom:10px;
}
.tl-step h4{font-size:16.5px; margin-bottom:6px}
.tl-step p{font-size:14px; color:var(--slate)}
.tl-step::before{
  content:""; position:absolute; top:0; left:0; width:100%; height:2px;
  background:var(--line);
}
.tl-step::after{
  content:""; position:absolute; top:-3px; left:0; width:8px; height:8px; border-radius:50%;
  background:var(--signal); box-shadow:0 0 0 4px rgba(79,70,229,.15);
}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* ---------- Industries ---------- */
.chip-cloud{display:flex; flex-wrap:wrap; gap:12px}
.chip{
  padding:11px 20px; border-radius:999px; border:1px solid var(--line);
  font-size:14px; font-weight:500; color:var(--ink); background:#fff;
  transition:all .25s;
}
.chip:hover{border-color:var(--signal); color:var(--signal); transform:translateY(-2px)}

/* ---------- Split section (For Clients / For Workers) ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:0; border-radius:var(--radius-lg); overflow:hidden}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.split-panel{padding:64px 52px}
@media (max-width:880px){.split-panel{padding:40px 26px}}
@media (max-width:480px){.split-panel{padding:32px 20px}}
.split-panel.dark{background:var(--void); color:#fff}
.split-panel.light{background:var(--paper-2)}
.split-panel h3{font-size:1.7rem; margin-bottom:16px}
.split-panel.dark p{color:rgba(255,255,255,.62)}
.split-panel.light p{color:var(--slate)}
.split-panel ul{margin:22px 0 30px; display:flex; flex-direction:column; gap:12px}
.split-panel li{display:flex; gap:10px; font-size:14.8px; align-items:flex-start}
.split-panel li::before{content:"→"; color:var(--cyan); font-weight:700; flex-shrink:0}
.split-panel.light li::before{color:var(--signal)}
.placeholder-box{
  margin-top:18px; padding:14px 16px; border-radius:12px; font-size:13px; font-family:var(--mono);
  border:1px dashed rgba(255,255,255,.25); color:rgba(255,255,255,.5);
}
.split-panel.light .placeholder-box{border-color:var(--line); color:var(--slate)}

/* ---------- Founders ---------- */
.founder-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-md);
  padding:32px; text-align:left;
}
.founder-photo{
  width:72px; height:72px; border-radius:50%;
  background:linear-gradient(135deg, var(--signal), var(--cyan));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family:var(--display); font-weight:800; font-size:22px;
  margin-bottom:18px;
}
.founder-card h4{font-size:18px; margin-bottom:2px}
.founder-card .role{color:var(--signal); font-size:13.5px; font-family:var(--mono); margin-bottom:14px}
.founder-card p{color:var(--slate); font-size:14.5px}

/* ---------- FAQ ---------- */
.accordion{max-width:760px}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{
  width:100%; display:flex; justify-content:space-between; align-items:center;
  padding:22px 0; font-family:var(--display); font-weight:700; font-size:16.5px; text-align:left;
}
.acc-q .plus{font-size:20px; color:var(--signal); transition:transform .3s}
.acc-item.open .acc-q .plus{transform:rotate(45deg)}
.acc-a{max-height:0; overflow:hidden; transition:max-height .4s var(--ease)}
.acc-a p{padding-bottom:22px; color:var(--slate); font-size:14.8px; max-width:640px}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:50px}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:18px}
.field label{display:block; font-size:13.5px; font-weight:600; margin-bottom:7px}
.field input, .field textarea, .field select{
  width:100%; padding:13px 15px; border-radius:10px; border:1px solid var(--line);
  font-family:var(--body); font-size:14.5px; background:#fff; transition:border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus{border-color:var(--signal); outline:none}
.contact-info-item{display:flex; gap:14px; padding:18px 0; border-bottom:1px solid var(--line)}
.contact-info-item .icon{
  width:38px;height:38px;border-radius:10px;background:var(--paper-2);
  display:flex;align-items:center;justify-content:center; color:var(--signal); flex-shrink:0;
}
.contact-info-item h4{font-size:14.5px; margin-bottom:2px}
.contact-info-item p{font-size:13.5px; color:var(--slate); font-family:var(--mono)}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(135deg, var(--void), var(--void-2));
  border-radius:var(--radius-lg);
  padding:72px 56px;
  text-align:center;
  position:relative; overflow:hidden;
}
@media (max-width:640px){
  .cta-banner{padding:44px 24px}
  .cta-banner .hero-ctas{flex-direction:column; align-items:stretch; width:100%}
  .cta-banner .hero-ctas .btn{width:100%}
}
.cta-banner::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(600px 300px at 50% 0%, rgba(79,70,229,.4), transparent 70%);
}
.cta-banner *{position:relative; z-index:1}
.cta-banner h2{color:#fff; max-width:600px; margin:0 auto 16px}
.cta-banner p{color:rgba(255,255,255,.6); max-width:480px; margin:0 auto 32px}
.cta-banner .hero-ctas{justify-content:center}

/* ---------- Footer ---------- */
footer{background:var(--void); color:rgba(255,255,255,.55); padding:70px 0 30px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid var(--line-dark)}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px; max-width:280px; color:rgba(255,255,255,.45)}
.footer-col h5{font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.4); margin-bottom:16px}
.footer-col ul{display:flex; flex-direction:column; gap:11px}
.footer-col a{font-size:14px; color:rgba(255,255,255,.65); transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:26px; font-size:13px; flex-wrap:wrap; gap:14px}
.footer-social{display:flex; gap:14px}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line-dark); display:flex;align-items:center;justify-content:center; color:rgba(255,255,255,.6)}
.footer-social a:hover{border-color:var(--cyan); color:var(--cyan)}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{background:var(--void); color:#fff; padding:160px 0 90px}
@media (max-width:880px){.page-hero{padding:110px 0 56px}}
.page-hero h1{font-size:clamp(2.1rem, 4vw, 3.2rem); max-width:680px}
.page-hero p{color:rgba(255,255,255,.62); font-size:17px; margin-top:16px; max-width:560px}
.breadcrumb{font-family:var(--mono); font-size:12px; color:rgba(255,255,255,.4); margin-bottom:20px; letter-spacing:.05em}
.breadcrumb a:hover{color:#fff}

/* ---------- Stats strip ---------- */
.stats-strip{display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; padding:36px 0}
.stat{flex:1; min-width:150px}
.stat .num{font-family:var(--display); font-weight:800; font-size:2.1rem; color:var(--signal)}
.stat .label{font-size:13px; color:var(--slate); font-family:var(--mono)}

/* legal pages */
.legal-body{max-width:760px}
.legal-body h2{font-size:1.4rem; margin:36px 0 12px}
.legal-body h2:first-child{margin-top:0}
.legal-body p, .legal-body li{color:var(--slate); font-size:15px; margin-bottom:10px}
.legal-body ul{padding-left:20px; list-style:disc}

/* placeholder tag used inline */
.tag-placeholder{
  display:inline-block; font-family:var(--mono); font-size:11.5px; color:var(--signal);
  background:rgba(79,70,229,.08); border:1px dashed rgba(79,70,229,.35);
  padding:3px 9px; border-radius:6px; margin-left:6px;
}