/* GreyLogic Technologies — site styles (offline-ready) */
:root{
  --ink:#0F1729; --ink-2:#334256; --muted:#64758B; --line:#E5E9F2;
  --bg:#FFFFFF; --soft:#F4F6FB; --soft-2:#EEF2FF;
  --brand:#1E3FAE; --brand-2:#3B82F6; --violet:#7C3AED; --cyan:#06B6D4; --green:#10B981;
  --night:#070C1C; --night-2:#0B1433; --night-line:rgba(255,255,255,.10); --night-text:#C7D2E6;
  --grad:linear-gradient(135deg,#1E3FAE 0%,#3B82F6 45%,#7C3AED 100%);
  --grad-text:linear-gradient(120deg,#60A5FA 0%,#A78BFA 55%,#22D3EE 100%);
  --radius:20px; --radius-sm:12px;
  --shadow:0 1px 2px rgba(15,23,41,.04),0 12px 32px -12px rgba(15,23,41,.14);
  --shadow-lg:0 30px 60px -20px rgba(15,23,41,.28);
  --font:"Plus Jakarta Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{overflow-x:clip}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.2vw,4.1rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:clamp(72px,9vw,120px) 0}
.section-soft{background:var(--soft)}
.dark{background:var(--night);color:#fff}
.dark p,.dark .muted{color:var(--night-text)}
.muted{color:var(--muted)}
.center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.dark .eyebrow{color:#93C5FD}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:currentColor}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:var(--muted);max-width:640px}
.dark .lead{color:var(--night-text)}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto}
.section-head.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:.97rem;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s;font-family:inherit}
.btn svg{width:18px;height:18px;transition:transform .2s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(30,63,174,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(30,63,174,.8)}
.btn-ghost{border-color:rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{transform:translateY(-2px)}

/* Header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.12rem;color:#fff;letter-spacing:-.01em}
.logo-mark{width:40px;height:40px;flex:none}
.logo small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;opacity:.7}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:10px 16px;border-radius:999px;font-weight:600;font-size:.95rem;color:rgba(255,255,255,.82);transition:color .2s,background .2s}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.10)}
.nav .btn{margin-left:10px;padding:11px 22px;color:#fff}
.site-header.scrolled,.site-header.solid{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-color:var(--line);box-shadow:0 6px 24px -18px rgba(15,23,41,.4)}
.site-header.scrolled .logo,.site-header.solid .logo{color:var(--ink)}
.site-header.scrolled .nav a:not(.btn),.site-header.solid .nav a:not(.btn){color:var(--ink-2)}
.site-header.scrolled .nav a:not(.btn):hover,.site-header.scrolled .nav a.active,.site-header.solid .nav a.active{color:var(--brand);background:var(--soft-2)}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;border-radius:12px;color:#fff;cursor:pointer}
.site-header.scrolled .menu-toggle{color:var(--ink)}
.menu-toggle svg{width:26px;height:26px}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:170px 0 110px;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2;background:url(../img/hero.webp) center right/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(7,12,28,.97) 0%,rgba(7,12,28,.86) 38%,rgba(7,12,28,.25) 75%,rgba(7,12,28,.1) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:140px;z-index:-1;background:linear-gradient(transparent,var(--night))}
.hero-inner{max-width:660px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);font-size:.88rem;font-weight:600;color:#DCE6FF;margin-bottom:28px}
.badge b{background:var(--grad);color:#fff;border-radius:999px;padding:4px 10px;font-size:.75rem;letter-spacing:.04em}
.hero p.lead{color:#C7D2E6;font-size:1.2rem;margin:22px 0 36px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:44px;color:#AFC0DD;font-size:.93rem;font-weight:600}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points svg{width:18px;height:18px;color:#34D399}
.page-hero{padding:160px 0 90px}
.page-hero .hero-inner{max-width:760px}
.page-hero.center .hero-inner{margin:0 auto;text-align:center}
.page-hero.center .lead{margin-left:auto;margin-right:auto}
.page-hero .hero-bg{opacity:.55}
.page-hero::before{background:radial-gradient(ellipse at 50% 0%,rgba(59,130,246,.25),transparent 60%),linear-gradient(180deg,rgba(7,12,28,.75),rgba(7,12,28,.92))}
.crumbs{font-size:.88rem;color:#93A3C4;margin-bottom:18px;font-weight:600}
.crumbs a:hover{color:#fff}

/* Marquee */
.marquee{border-top:1px solid var(--night-line);border-bottom:1px solid var(--night-line);background:var(--night);padding:26px 0;overflow:hidden;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2}
.marquee::before{left:0;background:linear-gradient(90deg,var(--night),transparent)}
.marquee::after{right:0;background:linear-gradient(-90deg,var(--night),transparent)}
.marquee-track{display:flex;gap:48px;width:max-content;animation:scroll 40s linear infinite}
.marquee-track span{color:#7F8FB0;font-weight:700;font-size:1.05rem;white-space:nowrap;letter-spacing:.01em}
.marquee-track span::before{content:"◆";color:#3B5BDB;margin-right:48px;font-size:.6rem;vertical-align:middle}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:28px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.stat strong{display:block;font-size:2.4rem;font-weight:800;letter-spacing:-.03em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-weight:600;font-size:.95rem}
.dark .stat{background:rgba(255,255,255,.04);border-color:var(--night-line);box-shadow:none}
.dark .stat strong{background:var(--grad-text);-webkit-background-clip:text;background-clip:text}
.dark .stat span{color:var(--night-text)}

/* Service cards */
.services-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;overflow:hidden;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#C7D2FE}
.card::after{content:"";position:absolute;inset:auto -40% -60% auto;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(59,130,246,.10),transparent 70%);transition:transform .4s}
.card:hover::after{transform:scale(1.4)}
.services-grid .card{grid-column:span 2}
.services-grid .card.wide{grid-column:span 3}
.card .new{position:absolute;top:22px;right:22px;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:#ECFDF5;color:#047857}
.icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:22px;color:#fff;background:var(--grad);box-shadow:0 10px 24px -10px rgba(30,63,174,.7)}
.icon svg{width:28px;height:28px}
.icon.v{background:linear-gradient(135deg,#7C3AED,#C026D3)}
.icon.c{background:linear-gradient(135deg,#0891B2,#22D3EE)}
.icon.g{background:linear-gradient(135deg,#059669,#34D399)}
.icon.o{background:linear-gradient(135deg,#EA580C,#F59E0B)}
.icon.p{background:linear-gradient(135deg,#DB2777,#F472B6)}
.icon.i{background:linear-gradient(135deg,#4338CA,#818CF8)}
.card p{color:var(--muted);flex:1}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);margin-top:8px}
.link svg{width:16px;height:16px;transition:transform .2s}
.link:hover svg{transform:translateX(4px)}

/* Split feature */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.split.reverse > .media{order:2}
.media{position:relative;border-radius:26px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(15,23,41,.45);background:var(--night)}
.media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.media::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.checklist{list-style:none;padding:0;margin:26px 0 30px;display:grid;gap:14px}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-weight:500;color:var(--ink-2)}
.dark .checklist li{color:#DCE4F5}
.checklist svg{flex:none;width:24px;height:24px;padding:4px;border-radius:50%;background:var(--soft-2);color:var(--brand);margin-top:1px}
.dark .checklist svg{background:rgba(96,165,250,.15);color:#93C5FD}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tags span{padding:6px 12px;border-radius:999px;background:var(--soft);border:1px solid var(--line);font-size:.83rem;font-weight:600;color:var(--ink-2)}
.dark .tags span{background:rgba(255,255,255,.05);border-color:var(--night-line);color:#C7D2E6}
.approach{margin-top:22px;padding:18px 20px;border-left:3px solid var(--brand-2);background:var(--soft);border-radius:0 12px 12px 0;color:var(--ink-2);font-size:.97rem}
.approach b{color:var(--ink)}

/* Process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding:30px 26px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--night-line)}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:.9rem;font-weight:800;letter-spacing:.1em;margin-bottom:18px;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{color:#fff}
.step p{font-size:.95rem;margin:0}

/* Why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.why .card{padding:34px}

/* Industries */
.industries{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.industry{display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:16px;background:#fff;border:1px solid var(--line);font-weight:700;transition:border-color .2s,transform .2s}
.industry:hover{border-color:var(--brand-2);transform:translateY(-3px)}
.industry svg{width:26px;height:26px;color:var(--brand);flex:none}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 24px;transition:box-shadow .2s}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:22px;margin:0}

/* CTA */
.cta{position:relative;overflow:hidden;border-radius:32px;padding:clamp(48px,7vw,84px);background:var(--grad);color:#fff;isolation:isolate}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:url(../img/hero.webp) center/cover;opacity:.18;mix-blend-mode:screen}
.cta::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 65%);z-index:-1}
.cta h2{max-width:720px}
.cta p{color:rgba(255,255,255,.85);max-width:620px;font-size:1.1rem}
.cta .row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* Services page */
.svc-nav{position:sticky;top:78px;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.svc-nav .container{display:flex;gap:6px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.svc-nav .container::-webkit-scrollbar{display:none}
.svc-nav a{white-space:nowrap;padding:9px 16px;border-radius:999px;font-weight:600;font-size:.9rem;color:var(--ink-2);border:1px solid transparent}
.svc-nav a:hover{background:var(--soft)}
.svc-nav a.active{background:var(--soft-2);color:var(--brand);border-color:#C7D2FE}
.svc{scroll-margin-top:150px}
.svc + .svc{border-top:1px solid var(--line)}
.svc .num{font-size:.85rem;font-weight:800;color:var(--brand);letter-spacing:.1em}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model{padding:32px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--night-line)}
.model h3{color:#fff}
.model p{font-size:.97rem}

/* About */
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.quote{font-size:1.4rem;font-weight:700;line-height:1.45;letter-spacing:-.01em;padding:34px;border-radius:var(--radius);background:var(--soft-2);border:1px solid #D7DEFB;color:var(--ink)}
.quote span{display:block;margin-top:16px;font-size:.95rem;font-weight:600;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:clamp(26px,4vw,44px);box-shadow:var(--shadow-lg)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.9rem}
.field input,.field select,.field textarea{font:inherit;padding:14px 16px;border-radius:12px;border:1px solid #D5DCE8;background:#FBFCFE;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:150px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(59,130,246,.15);background:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{cursor:pointer}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips span{display:inline-block;padding:9px 14px;border-radius:999px;border:1px solid #D5DCE8;font-weight:600;font-size:.88rem;color:var(--ink-2);transition:all .2s}
.chips input:checked + span{background:var(--brand);border-color:var(--brand);color:#fff}
.chips input:focus-visible + span{box-shadow:0 0 0 4px rgba(59,130,246,.25)}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.form-status{display:none;margin-top:16px;padding:14px 16px;border-radius:12px;background:#ECFDF5;color:#065F46;font-weight:600}
.form-status.show{display:block}
.info{display:grid;gap:16px}
.info-card{display:flex;gap:16px;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:border-color .2s}
a.info-card:hover{border-color:var(--brand-2)}
.info-card .icon{width:48px;height:48px;border-radius:14px;margin:0;flex:none}
.info-card .icon svg{width:22px;height:22px}
.info-card h4{margin:0 0 4px;font-size:1rem}
.info-card p{margin:0;color:var(--muted)}

/* Footer */
.site-footer{background:var(--night);color:var(--night-text);padding:80px 0 30px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;width:700px;height:400px;left:-200px;top:-200px;background:radial-gradient(circle,rgba(59,130,246,.18),transparent 65%)}
.foot{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.foot h5{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin:6px 0 18px}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot a:hover{color:#fff}
.foot .logo{margin-bottom:18px}
.foot p{max-width:340px;font-size:.95rem}
.foot .tags span{background:rgba(255,255,255,.05);border-color:var(--night-line);color:#C7D2E6}
.foot-contact li{display:flex;gap:10px;align-items:flex-start}
.foot-contact svg{width:18px;height:18px;flex:none;margin-top:4px;color:#93C5FD}
.legal{position:relative;margin-top:56px;padding-top:26px;border-top:1px solid var(--night-line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.88rem;color:#8193B5}

/* Reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* Floating WhatsApp */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#22C55E;color:#fff;box-shadow:0 14px 30px -10px rgba(34,197,94,.7);transition:transform .2s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:28px;height:28px}

/* Responsive */
@media (max-width:1024px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid .card,.services-grid .card.wide{grid-column:span 1}
  .process,.values{grid-template-columns:repeat(2,1fr)}
  .industries{grid-template-columns:repeat(3,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .menu-toggle{display:grid;place-items:center}
  .nav{position:fixed;inset:78px 0 auto;flex-direction:column;align-items:stretch;gap:4px;padding:16px 20px 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 40px -20px rgba(15,23,41,.3);transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .25s}
  .nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav a:not(.btn){color:var(--ink-2)!important;padding:14px 16px;border-radius:12px}
  .nav .btn{margin:8px 0 0}
  .site-header.menu-open{background:#fff}
  .site-header.menu-open .logo,.site-header.menu-open .menu-toggle{color:var(--ink)}
  .split,.story,.contact-grid{grid-template-columns:1fr}
  .split.reverse > .media{order:0}
  .why,.models{grid-template-columns:1fr}
  .hero{padding:140px 0 80px}
  .hero-bg{background-position:70% center;opacity:.5}
  .hero::before{background:linear-gradient(180deg,rgba(7,12,28,.8),rgba(7,12,28,.95))}
}
@media (max-width:600px){
  .container{padding:0 16px}
  .services-grid,.process,.values,.stats,.industries,.form-grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .card{padding:26px}
  .hero-ctas .btn{width:100%}
  .svc-nav{top:78px}
}