/* === RESET & VARIABLES === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --primary:#0f172a;
    --accent:#6366f1;
    --accent-light:#818cf8;
    --surface:#f8fafc;
    --card:#ffffff;
    --text:#1e293b;
    --text-light:#64748b;
    --radius:16px;
    --shadow:0 1px 3px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.06);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--text);line-height:1.7;background:var(--surface);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}

[id]{scroll-margin-top:96px}

/* === NAV === */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(15,23,42,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{max-width:1200px;margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:1.35rem;font-weight:800;color:#fff;text-decoration:none;letter-spacing:-.02em}
.logo span{color:var(--accent-light)}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{color:rgba(255,255,255,.75);text-decoration:none;font-size:.875rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* === HERO === */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:7rem 1.5rem 4rem;background:var(--primary);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.25),transparent 70%);top:-150px;right:-100px}
.hero::after{content:'';position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(129,140,248,.15),transparent 70%);bottom:-100px;left:-50px}
.hero-content{position:relative;z-index:2;max-width:820px}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);color:#fff;font-weight:800;line-height:1.15;letter-spacing:-.03em;margin-bottom:1.25rem}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--accent-light),#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,.7);max-width:620px;margin:0 auto 2.5rem}

/* === PAGE HERO (subpages) === */
.page-hero{padding:8rem 1.5rem 4rem;background:var(--primary);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.2),transparent 70%);top:-200px;right:-100px}
.page-hero .container{position:relative;z-index:2}
.page-hero .breadcrumb{font-size:.85rem;color:rgba(255,255,255,.45);margin-bottom:1rem}
.page-hero .breadcrumb a{color:var(--accent-light);text-decoration:none}
.page-hero .breadcrumb a:hover{text-decoration:underline}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);color:#fff;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:1rem}
.page-hero p{font-size:1.1rem;color:rgba(255,255,255,.65);max-width:700px;line-height:1.7}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.page-hero .hero-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;max-width:980px;margin-top:2rem}
.page-hero .hero-highlight{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:1rem 1.1rem}
.page-hero .hero-highlight strong{display:block;color:#fff;font-size:.95rem;font-weight:700;margin-bottom:.35rem}
.page-hero .hero-highlight span{display:block;color:rgba(255,255,255,.62);font-size:.92rem;line-height:1.55}
.page-hero .hero-note{margin-top:1rem;font-size:.95rem;color:rgba(255,255,255,.55);max-width:820px}

/* === BUTTONS === */
.btn{display:inline-block;padding:.85rem 2.2rem;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;transition:transform .2s,box-shadow .2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 20px rgba(99,102,241,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(99,102,241,.55)}
.btn-outline{border:1.5px solid rgba(255,255,255,.3);color:#fff;margin-left:.75rem}
.btn-outline:hover{border-color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff;box-shadow:0 4px 20px rgba(15,23,42,.3)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(15,23,42,.4)}

a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:3px solid rgba(99,102,241,.35);
    outline-offset:3px;
}

/* === SECTIONS === */
section{padding:5.5rem 1.5rem}
.container{max-width:1200px;margin:0 auto}
.section-label{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);margin-bottom:.6rem}
.section-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.6rem}
.section-sub{color:var(--text-light);max-width:600px;margin-bottom:3rem;font-size:1.05rem}

/* === SERVICES GRID === */
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem}
.service-card{background:var(--card);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.04);transition:transform .25s,box-shadow .25s;text-decoration:none;color:var(--text)}
.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.1)}
.service-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:1.25rem;background:linear-gradient(135deg,rgba(99,102,241,.1),rgba(129,140,248,.15))}
.service-card h3{font-size:1.15rem;font-weight:700;margin-bottom:.5rem}
.service-card p{color:var(--text-light);font-size:.925rem;line-height:1.65}
.service-card .card-link{display:inline-block;margin-top:.75rem;font-size:.875rem;font-weight:600;color:var(--accent)}

/* === ABOUT === */
.about-section{background:var(--primary);color:#fff}
.about-section .section-label{color:var(--accent-light)}
.about-section .section-sub{color:rgba(255,255,255,.6)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.about-text p{color:rgba(255,255,255,.75);margin-bottom:1.25rem;font-size:1rem}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem}
.stat{text-align:center}
.stat-num{font-size:2rem;font-weight:800;color:var(--accent-light)}
.stat-label{font-size:.8rem;color:rgba(255,255,255,.5);margin-top:.2rem}
.about-visual{display:flex;flex-direction:column;gap:1rem}
.about-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:1.5rem}
.about-card h4{font-size:.95rem;font-weight:600;margin-bottom:.35rem}
.about-card p{font-size:.85rem;color:rgba(255,255,255,.55);line-height:1.6}

/* === TECH TAGS === */
.tech-tags{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:center}
.tech-tag{padding:.5rem 1.25rem;border-radius:999px;background:var(--card);box-shadow:var(--shadow);font-size:.85rem;font-weight:600;color:var(--text);border:1px solid rgba(0,0,0,.04);transition:transform .2s}
.tech-tag:hover{transform:scale(1.05)}

/* === AI SECTION === */
.ai-section{background:linear-gradient(135deg,#1e1b4b,#312e81);color:#fff}
.ai-section .section-label{color:#a5b4fc}
.ai-section .section-sub{color:rgba(255,255,255,.6)}
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.ai-card{display:block;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:1.75rem;transition:background .25s;text-decoration:none;color:inherit}
.ai-card:hover{background:rgba(255,255,255,.12)}
.ai-card h3{font-size:1.05rem;font-weight:700;margin-bottom:.4rem}
.ai-card p{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.6}

/* === CONTENT BLOCKS (subpages) === */
.content-section{padding:4.5rem 1.5rem}
.content-section:nth-child(even){background:var(--card)}
.content-section h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:1rem;color:var(--text)}
.content-section h3{font-size:1.15rem;font-weight:700;margin:1.5rem 0 .5rem;color:var(--text)}
.content-section p{color:var(--text-light);font-size:1rem;line-height:1.8;margin-bottom:1rem;max-width:800px}
.content-section ul,.content-section ol{color:var(--text-light);margin:1rem 0 1.5rem 1.5rem;line-height:1.8}
.content-section li{margin-bottom:.4rem}
.content-section .section-intro{max-width:860px}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.two-col-wide{display:grid;grid-template-columns:2fr 1fr;gap:3rem;align-items:start}

.info-box{background:linear-gradient(135deg,rgba(99,102,241,.06),rgba(129,140,248,.08));border:1px solid rgba(99,102,241,.15);border-radius:var(--radius);padding:2rem}
.info-box h3{font-size:1.1rem;font-weight:700;color:var(--accent);margin-bottom:.75rem;margin-top:0}
.info-box ul{margin:0 0 0 1.2rem}
.info-box li{color:var(--text);font-size:.925rem}

.feature-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}
.feature-card{background:var(--card);border-radius:var(--radius);border:1px solid rgba(0,0,0,.06);padding:1.35rem;box-shadow:var(--shadow)}
.feature-card h3{margin:0 0 .5rem;font-size:1rem}
.feature-card p{margin:0;max-width:none;font-size:.93rem}

.audience-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;margin-top:1.5rem}
.audience-card{background:var(--card);border-radius:var(--radius);border:1px solid rgba(0,0,0,.06);padding:1.5rem;box-shadow:var(--shadow)}
.audience-card h3{margin:0 0 .75rem;font-size:1rem}
.audience-card p{max-width:none}
.audience-card ul{margin:0 0 0 1.2rem}
.audience-card-negative{border-color:rgba(239,68,68,.18);background:linear-gradient(135deg,rgba(239,68,68,.04),rgba(248,250,252,.98))}
.audience-card-negative h3{color:#b91c1c}

.case-study{background:linear-gradient(135deg,rgba(99,102,241,.06),rgba(248,250,252,.98));border:1px solid rgba(99,102,241,.14);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow)}
.case-study .section-label{margin-bottom:.75rem}
.case-study-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:1.5rem}
.case-study-card{background:rgba(255,255,255,.8);border:1px solid rgba(99,102,241,.1);border-radius:calc(var(--radius) - 4px);padding:1rem}
.case-study-card h3{margin:0 0 .4rem;font-size:.95rem;color:var(--accent)}
.case-study-card p{margin:0;max-width:none;font-size:.92rem}
.case-link{display:flex;flex-direction:column;height:100%}
.case-link .card-link{margin-top:auto}
.case-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin:.85rem 0 1rem}
.case-meta span{display:inline-flex;align-items:center;padding:.35rem .7rem;border-radius:999px;background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.12);color:var(--accent);font-size:.78rem;font-weight:700}
.case-kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin:1.5rem 0 0}
.case-kpi{background:var(--card);border:1px solid rgba(99,102,241,.12);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}
.case-kpi strong{display:block;font-size:1.45rem;line-height:1;color:var(--accent);margin-bottom:.35rem}
.case-kpi span{display:block;color:var(--text-light);font-size:.9rem;line-height:1.55}

.next-step{margin-top:1.25rem;padding:1rem 1.1rem;border-left:4px solid var(--accent);background:rgba(99,102,241,.05);border-radius:12px}
.next-step p{margin:0;max-width:none;font-size:.95rem}

.decision-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem}
.decision-card{background:var(--card);border:1px solid rgba(0,0,0,.06);border-radius:var(--radius);padding:1.35rem;box-shadow:var(--shadow)}
.decision-card h3{margin:0 0 .55rem;font-size:1rem}
.decision-card p,.decision-card li{max-width:none;font-size:.93rem}
.decision-card ul{margin:.8rem 0 0 1.2rem}
.contact-proof{display:grid;gap:1rem;margin-top:1.25rem}
.contact-proof-card{background:linear-gradient(135deg,rgba(99,102,241,.06),rgba(248,250,252,.98));border:1px solid rgba(99,102,241,.14);border-radius:var(--radius);padding:1.35rem}
.contact-proof-card h3{margin:0 0 .55rem;font-size:1rem;color:var(--text)}
.contact-proof-card p{margin:0;max-width:none;font-size:.93rem}
.contact-proof-card ul{margin:.7rem 0 0 1.2rem}
.contact-proof-card li{font-size:.92rem;color:var(--text-light)}

.text-link{color:var(--accent);font-weight:600;text-decoration:none}
.text-link:hover{text-decoration:underline}

.process-steps{counter-reset:step}
.process-step{counter-increment:step;position:relative;padding-left:3.5rem;margin-bottom:2rem}
.process-step::before{content:counter(step);position:absolute;left:0;top:0;width:2.5rem;height:2.5rem;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.9rem}
.process-step h3{margin-top:0;font-size:1.1rem}
.process-step p{font-size:.95rem}

/* === FAQ === */
.faq{margin-top:2rem}
.faq-item{border-bottom:1px solid rgba(0,0,0,.08);padding:1.25rem 0}
.faq-item summary{font-weight:600;font-size:1.05rem;cursor:pointer;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:'+';font-size:1.3rem;color:var(--accent);font-weight:300;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding-top:.75rem;color:var(--text-light);font-size:.95rem;line-height:1.7;max-width:800px}

/* === CTA === */
.cta{text-align:center;padding:5rem 1.5rem;background:var(--surface)}
.cta h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;margin-bottom:.75rem}
.cta p{color:var(--text-light);margin-bottom:2rem;font-size:1.05rem}
.cta .cta-note{margin-top:1rem;margin-bottom:0;font-size:.95rem;max-width:720px;margin-left:auto;margin-right:auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.cta-proof-list{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin:1.25rem auto 0;max-width:920px}
.cta-proof-list span{display:inline-flex;align-items:center;padding:.55rem .9rem;border-radius:999px;background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.12);font-size:.88rem;font-weight:600;color:var(--text)}
.page-hero .cta-proof-list{justify-content:flex-start;margin-left:0}
.page-hero .cta-proof-list span{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#fff}

/* === FOOTER === */
footer{background:var(--primary);color:rgba(255,255,255,.5);padding:3rem 1.5rem 2rem}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-col h4{color:#fff;font-size:.9rem;font-weight:600;margin-bottom:.75rem}
.footer-col p{font-size:.85rem;line-height:1.7}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:.35rem}
.footer-col a{color:rgba(255,255,255,.5);text-decoration:none;font-size:.85rem;transition:color .2s}
.footer-col a:hover{color:var(--accent-light)}
.footer-bottom{max-width:1200px;margin:0 auto;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:.8rem}
footer strong{color:#fff;font-weight:600}

/* === MOBILE === */
@media(max-width:768px){
    .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(15,23,42,.97);padding:1rem 1.5rem;gap:.8rem}
    .nav-links.open{display:flex}
    .nav-toggle{display:block}
    .nav-inner{padding:.8rem 1rem}
    .services-grid{grid-template-columns:1fr}
    .about-grid{grid-template-columns:1fr}
    .two-col,.two-col-wide{grid-template-columns:1fr}
    .page-hero .hero-actions{flex-direction:column;align-items:flex-start}
    .page-hero .hero-highlights{grid-template-columns:1fr}
    .feature-list,.audience-grid,.case-study-grid{grid-template-columns:1fr}
    .footer-inner{grid-template-columns:1fr}
    .stats{grid-template-columns:repeat(3,1fr)}
    .cta-actions{flex-direction:column}
    .cta-actions .btn{width:100%;text-align:center}
}

@media(max-width:640px){
    .stats{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation:none!important;transition:none!important}
}