/* ===== Abtech Software — modern minimal static site ===== */
:root{
  --bg:#ffffff;
  --bg-alt:#f8fafc;
  --ink:#0f172a;
  --ink-soft:#475569;
  --ink-mute:#64748b;
  --line:#e2e8f0;
  --brand:#2563eb;
  --brand-dark:#1d4ed8;
  --accent:#8b5cf6;
  --radius:14px;
  --maxw:1120px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.05);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
h1,h2,h3{letter-spacing:-.02em;line-height:1.15;font-weight:650}
h1{font-size:clamp(2.4rem,5vw,4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.15rem}
p{color:var(--ink-soft)}
.eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}

/* nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem}
.brand svg{height:32px;width:auto}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--ink-soft);transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle svg{width:24px;height:24px;stroke:var(--ink)}
@media(max-width:760px){
  .nav-links{position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 16px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:10px;transition:all .15s;cursor:pointer;border:0}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1e293b}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:#cbd5e1;background:var(--bg-alt)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#f1f5f9}

/* hero */
.hero{background:linear-gradient(160deg,#0f172a 0%,#172033 55%,#0f172a 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.10) 1px,transparent 0);background-size:38px 38px;opacity:.5}
.hero .wrap{position:relative;z-index:1;padding-top:120px;padding-bottom:120px}
.hero h1{color:#fff;max-width:14ch}
.hero p.lead{font-size:clamp(1.1rem,2vw,1.45rem);color:#cbd5e1;margin:24px 0 36px;max-width:46ch;font-weight:300}
.gradient-text{background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}

/* grids */
.grid{display:grid;gap:24px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}}
@media(max-width:640px){.g4,.g2{grid-template-columns:1fr}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:all .18s}
.card:hover{border-color:#c7d2fe;box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ico{width:44px;height:44px;border-radius:10px;background:#eff6ff;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ico svg{width:22px;height:22px;stroke:var(--brand)}
.card h3{margin-bottom:8px}
.card p{font-size:.92rem;color:var(--ink-mute)}

.section-head{max-width:60ch;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin:12px 0}
.alt{background:var(--bg-alt)}

/* product cards */
.product{border-radius:18px;padding:40px;color:#fff;position:relative;overflow:hidden}
.product.clarity{background:linear-gradient(150deg,#0f172a,#1e3a8a)}
.product.access{background:linear-gradient(150deg,#1e3a8a,#2563eb)}
.product h3{font-size:1.6rem;color:#fff;margin-bottom:6px}
.product .tag{color:#bfdbfe;font-size:1rem;margin-bottom:16px}
.product p{color:#cbd5e1;font-size:.95rem;margin-bottom:20px}
.product ul{list-style:none;margin-bottom:24px}
.product li{display:flex;gap:10px;align-items:center;font-size:.9rem;color:#e2e8f0;padding:5px 0}
.product li svg{width:18px;height:18px;stroke:#60a5fa;flex-shrink:0}

.badge{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);background:#f1f5f9;padding:5px 12px;border-radius:999px;margin-bottom:14px}

/* steps */
.steps{counter-reset:s}
.step{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step .n{counter-increment:s;flex-shrink:0;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}
.step .n::before{content:counter(s)}

/* forms */
.form{max-width:640px}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;color:var(--ink);transition:border .15s}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{resize:vertical;min-height:130px}
.form-note{font-size:.85rem;color:var(--ink-mute);margin-top:8px}
#form-status{margin-top:16px;font-size:.95rem;font-weight:500}

/* cta band */
.cta{background:linear-gradient(150deg,#0f172a,#1e293b);color:#fff;border-radius:18px;padding:56px;text-align:center}
.cta h2{color:#fff;margin-bottom:14px}
.cta p{color:#cbd5e1;margin-bottom:28px}

/* footer */
footer{background:#0f172a;color:#94a3b8;padding:56px 0 32px}
footer .grid{margin-bottom:32px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;font-weight:600}
footer a{display:block;font-size:.88rem;padding:4px 0;color:#94a3b8;transition:color .15s}
footer a:hover{color:#fff}
footer .brand{color:#fff;margin-bottom:12px}
.foot-bottom{border-top:1px solid #1e293b;padding-top:24px;text-align:center;font-size:.82rem;color:#64748b}
.foot-bottom p{color:#64748b}

.lead-list{list-style:none}
.lead-list li{padding:8px 0 8px 28px;position:relative;color:var(--ink-soft)}
.lead-list li::before{content:"";position:absolute;left:0;top:15px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.prose p{margin-bottom:16px;font-size:1.02rem}
.prose h3{margin:28px 0 10px}