/* AdRevit - style.css
   Clean, premium styles focused on performance and accessibility.
*/
:root{
  --blue:#0755B8;
  --navy:#071A35;
  --black:#0B0D10;
  --white:#ffffff;
  --bg:#F6F9FD;
  --max-width:1200px;
  --radius:12px;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;color:var(--black);background:var(--white);-webkit-font-smoothing:antialiased}
.container{max-width:var(--max-width);margin:0 auto;padding:2rem}
.eyebrow{font-weight:700;letter-spacing:0.08em;color:var(--navy);margin-bottom:0.5rem}
.muted{color:#6b7280}
strong{font-weight:800}
/* Header */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid rgba(11,13,16,0.06);backdrop-filter: blur(6px);z-index:50;transition:padding .25s,box-shadow .2s}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem}
.logo{display:flex;align-items:center}
.logo img{height:56px;width:auto;display:block;max-width:260px}
.site-nav{justify-self:center}
.site-nav ul{display:flex;gap:1.25rem;list-style:none;margin:0;padding:0;align-items:center;font-weight:600}
.site-nav a{color:var(--black);text-decoration:none;padding:0.45rem 0.6rem;border-radius:8px;font-size:0.98rem}
.site-nav a:hover,.site-nav a:focus{background:rgba(7,85,184,0.06);color:var(--blue)}
.site-nav .has-sub{position:relative}
.site-nav .sub{position:absolute;left:0;top:calc(100% + 6px);background:var(--white);padding:0.5rem;border-radius:8px;box-shadow:0 10px 30px rgba(11,13,16,0.08);display:none;min-width:180px}
.site-nav .has-sub:hover .sub{display:block}
.header-cta{margin-left:auto}
.header-cta .btn{margin-left:1rem}
.btn{display:inline-flex;align-items:center;gap:0.6rem;padding:0.8rem 1rem;border-radius:8px;border:0;font-weight:700;cursor:pointer;text-decoration:none}
.btn-primary{background:linear-gradient(90deg,var(--blue),#0a66d9);color:#fff}
.btn-ghost{background:transparent;border:1px solid rgba(11,13,16,0.06);color:var(--black)}
.btn-outline{background:transparent;border:2px solid var(--white);color:var(--white)}
.nav-toggle{display:none;background:transparent;border:0}
.hamburger{width:22px;height:2px;background:#0B0D10;display:block;position:relative}
.hamburger::after,.hamburger::before{content:'';position:absolute;left:0;width:22px;height:2px;background:#0B0D10}
.hamburger::before{top:-7px}.hamburger::after{top:7px}
/* HERO */
.hero{padding:6rem 0 4rem}
.hero-grid{display:grid;grid-template-columns:1fr 560px;align-items:center;gap:2.5rem}
.hero-left{max-width:720px}
.hero-left h1{font-size:3.0rem;line-height:1.02;margin:0;color:var(--black);letter-spacing:-0.02em}
.hero-left .strong{color:var(--blue)}
.lead{color:#334155;margin-top:1rem;font-size:1.06rem;max-width:620px}
.hero-ctas{margin-top:1.6rem;display:flex;gap:1rem}
.trust-indicators{display:flex;gap:1.25rem;margin-top:1.6rem;list-style:none;padding:0;color:#475569;font-weight:600}
.hero-right{display:flex;justify-content:center}
.tech-visual{width:100%;max-width:640px}
.tech-visual svg{width:100%;height:auto;display:block}
/* Services */
.section{padding:4rem 0}
.section-light{background:var(--white)}
.section-blue{background:linear-gradient(180deg,#f2f8ff 0%, #eaf4ff 100%);}
.section-dark{background:var(--navy);color:#fff}
.services-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;margin-top:1.6rem}
.card{background:var(--white);border:1px solid rgba(11,13,16,0.05);padding:1.2rem;border-radius:14px;transition:transform .22s,box-shadow .22s;display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(2,6,23,0.06)}
.card-icon{font-size:1.28rem;margin-bottom:0.6rem;display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:12px;background:linear-gradient(180deg,rgba(7,85,184,0.06),rgba(7,85,184,0.02));color:var(--blue);font-weight:700}
.card h3{margin:0.4rem 0;color:var(--navy);font-size:1.05rem}
.card p{color:#556074;font-size:0.95rem}
.card-cta{display:inline-flex;align-items:center;margin-top:0.8rem;color:var(--blue);font-weight:700}
.card-cta::after{content:'→';margin-left:0.6rem;transform:translateX(0);transition:transform .18s}
.card:hover .card-cta::after{transform:translateX(6px)}
/* Differentiator */
.diff-grid{display:grid;grid-template-columns:1fr 420px;align-items:center;gap:2rem}
.flow-list{list-style:none;padding:1rem;background:rgba(255,255,255,0.6);border-radius:10px}
.flow-list li{padding:0.6rem 1rem;border-left:3px solid rgba(7,85,184,0.1);margin:0.4rem 0}
/* Industries */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem}
.industry-card{background:#fff;padding:1.25rem;border-radius:12px;box-shadow:0 10px 30px rgba(2,6,23,0.06);display:flex;flex-direction:column;align-items:flex-start}
.industry-media{font-size:2rem;margin-bottom:0.6rem;color:var(--blue);background:rgba(7,85,184,0.06);padding:10px;border-radius:10px}
.industry-card h3{margin-top:0.2rem}
.industry-card p{color:#556074}
/* Why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.5rem}
.why-item{background:#fff;padding:1rem;border-radius:10px;text-align:left}
.why-item h4{color:var(--blue);font-size:1.1rem}
/* Process */
.process-timeline{display:flex;gap:1rem;overflow:auto;padding:1rem 0}
.step{min-width:180px;background:#fff;padding:1rem;border-radius:10px}
.step .num{font-weight:800;color:var(--blue);display:block}
/* Stats */
.stats{background:var(--bg);padding:2.5rem 0}
.stats-grid{display:flex;gap:1rem;justify-content:center;align-items:center}
.stat{background:linear-gradient(90deg,#f8fbff,#eef6ff);padding:1.4rem;border-radius:12px;text-align:center;min-width:160px}
.count{font-size:2.2rem;color:var(--blue);display:block;font-weight:800}
.stat span{display:block;color:#425466;margin-top:6px}
/* Capabilities */
.capabilities{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1rem 0 1.5rem}
.pill{background:transparent;border:1px solid rgba(11,13,16,0.06);padding:0.5rem 0.8rem;border-radius:999px}
/* Portfolio */
.filters{display:flex;gap:0.5rem;margin:1rem 0}
.filters .filter{padding:0.45rem 0.8rem;border-radius:999px;border:1px solid rgba(11,13,16,0.06);background:transparent}
.filters .active{background:rgba(7,85,184,0.08);border-color:var(--blue)}
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.portfolio-card{background:#fff;border-radius:10px;overflow:hidden}
.portfolio-card img{width:100%;height:160px;object-fit:cover}
.portfolio-card .meta{padding:0.8rem}
/* Testimonials */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.testimonial{background:#fff;padding:1rem;border-radius:10px}
/* Vision */
.vision-grid{display:grid;grid-template-columns:1fr 420px;gap:2rem;align-items:center}
.vision-visual .path{background:linear-gradient(90deg,var(--blue),#0a66d9);color:#fff;padding:2rem;border-radius:12px;text-align:center}
/* Final CTA */
.final-cta{background:linear-gradient(90deg,var(--blue),#0a66d9);color:#fff;padding:3.5rem 0}
.final-cta .cta-actions{display:flex;gap:1rem;align-items:center}
.final-cta .btn-primary{padding:0.9rem 1.2rem}
.final-cta .btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.2);color:#fff;padding:0.9rem 1.2rem}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 480px;gap:2rem;align-items:start}
form label{display:block;margin-bottom:0.6rem}
input,textarea,select{width:100%;padding:0.6rem;border-radius:8px;border:1px solid rgba(11,13,16,0.08)}
.form-message{margin-top:0.8rem;padding:0.6rem;border-radius:8px;background:#e6fffa;color:#064e3b}
/* Footer */
.site-footer{background:var(--navy);color:#fff;padding:3.25rem 0}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.25rem;align-items:start}
.footer-columns{display:flex;flex-direction:column;gap:0.6rem}
.footer-columns h4{margin:0 0 0.6rem 0}
.footer-bottom{text-align:center;padding-top:1rem;border-top:1px solid rgba(255,255,255,0.05)}
/* Responsiveness */
@media (max-width:1280px){
  .hero-grid{grid-template-columns:1fr 460px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr 420px}
  .hero-left h1{font-size:2.2rem}
}
@media (max-width:768px){
  .container{padding:1rem}
  .header-inner{gap:.5rem}
  .logo img{height:40px}
  .nav-toggle{display:block;margin-left:auto}
  .site-nav{position:fixed;inset:72px 0 0 0;background:var(--white);transform:translateY(-150%);transition:transform .25s;padding:1rem;z-index:60}
  .site-nav.open{transform:translateY(0)}
  .site-nav ul{flex-direction:column}
  .hero-grid{grid-template-columns:1fr;gap:1.5rem}
  .hero-right{order:2}
  .hero-left{order:1}
  .services-grid{grid-template-columns:1fr}
  .industry-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .process-timeline{flex-direction:column}
  .portfolio-grid{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .final-cta .cta-actions{flex-direction:column;align-items:stretch}
}
@media (max-width:480px){
  .hero-left h1{font-size:1.6rem}
  .lead{font-size:0.96rem}
  .logo img{height:34px;max-width:160px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* Focus states */
a:focus{outline:3px solid rgba(7,85,184,0.18);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:10px;top:10px;width:auto;height:auto;padding:0.5rem;background:#000;color:#fff}