/* SM COMMERCE LLC — main stylesheet */
:root{
  --sm-bg:#ffffff;
  --sm-fg:#0f172a;
  --sm-muted:#475569;
  --sm-border:#e5e7eb;
  --sm-surface:#f8fafc;
  --sm-primary:#1e40af;
  --sm-primary-600:#1d4ed8;
  --sm-primary-50:#eff6ff;
  --sm-accent:#0ea5e9;
  --sm-radius:14px;
  --sm-shadow:0 6px 24px rgba(15,23,42,.08);
  --sm-shadow-lg:0 18px 48px rgba(15,23,42,.12);
  --sm-font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --sm-font-display:'Poppins',var(--sm-font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sm-font);color:var(--sm-fg);background:var(--sm-bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--sm-primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--sm-font-display);color:var(--sm-fg);line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,4vw,3.2rem);font-weight:700}
h2{font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:700}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em;color:var(--sm-muted)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.container.narrow{max-width:780px}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:600;color:var(--sm-primary);background:var(--sm-primary-50);padding:.35rem .7rem;border-radius:999px;margin-bottom:1rem}
.center{text-align:center}
.screen-reader-text{position:absolute;left:-9999px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.4rem;border-radius:10px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;text-decoration:none}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:var(--sm-primary);color:#fff;box-shadow:0 6px 16px rgba(30,64,175,.25)}
.btn-primary:hover{background:var(--sm-primary-600)}
.btn-lg{padding:.95rem 1.8rem;font-size:1.05rem}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--sm-border);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:1rem}
.site-title{font-family:var(--sm-font-display);font-weight:700;color:var(--sm-fg);font-size:1.15rem;text-decoration:none}
.primary-nav{display:flex;align-items:center;gap:1.4rem}
.primary-nav .menu{list-style:none;display:flex;gap:1.2rem;margin:0;padding:0}
.primary-nav .menu a{color:var(--sm-fg);font-weight:500}
.primary-nav .menu a:hover{color:var(--sm-primary);text-decoration:none}
.nav-cta{padding:.55rem 1.1rem;font-size:.9rem}
.menu-toggle{display:none;background:none;border:0;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu-toggle .bar{width:22px;height:2px;background:var(--sm-fg);transition:.2s}
.menu-toggle.is-open .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open .bar:nth-child(2){opacity:0}
.menu-toggle.is-open .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{background:linear-gradient(135deg,#eff6ff 0%,#fff 60%);padding:5rem 0 4rem;border-bottom:1px solid var(--sm-border)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.hero-text p{font-size:1.1rem;max-width:540px}
.hero-art{display:grid;gap:1rem}
.hero-card{display:flex;align-items:center;gap:1rem;background:#fff;padding:1rem 1.25rem;border-radius:var(--sm-radius);box-shadow:var(--sm-shadow);border:1px solid var(--sm-border)}
.hero-card span{font-size:1.6rem}
.hero-card strong{display:block;color:var(--sm-fg)}
.hero-card small{color:var(--sm-muted)}

/* Sections */
.section{padding:5rem 0}
.section.alt{background:var(--sm-surface)}
.section-head{text-align:center;max-width:680px;margin:0 auto 2.5rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.checklist{list-style:none;padding:0;margin:1rem 0;color:var(--sm-fg)}
.checklist li{padding-left:1.7rem;position:relative;margin-bottom:.5rem}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--sm-primary);font-weight:700}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.stat{background:#fff;border:1px solid var(--sm-border);border-radius:var(--sm-radius);padding:1.5rem;text-align:center;box-shadow:var(--sm-shadow)}
.stat strong{display:block;font-family:var(--sm-font-display);font-size:1.8rem;color:var(--sm-primary)}
.stat span{color:var(--sm-muted);font-size:.9rem}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.4rem}
.cards-grid.four{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card,.feature{background:#fff;border:1px solid var(--sm-border);border-radius:var(--sm-radius);padding:1.6rem;box-shadow:var(--sm-shadow);transition:transform .2s,box-shadow .2s}
.card:hover,.feature:hover{transform:translateY(-4px);box-shadow:var(--sm-shadow-lg)}
.card-icon,.feature-icon{font-size:1.8rem;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--sm-primary-50);border-radius:12px;margin-bottom:1rem}
.card-link{font-weight:600;display:inline-block;margin-top:.5rem}
.card-thumb img{border-radius:10px;margin-bottom:1rem}

/* Contact */
.contact-info{list-style:none;padding:0;color:var(--sm-fg)}
.contact-info li{padding:.3rem 0}
.contact-form{background:#fff;border:1px solid var(--sm-border);border-radius:var(--sm-radius);padding:2rem;box-shadow:var(--sm-shadow);display:grid;gap:1rem}
.contact-form label{display:grid;gap:.4rem;font-weight:500;font-size:.95rem;color:var(--sm-fg)}
.contact-form input,.contact-form textarea{font:inherit;padding:.75rem .9rem;border:1px solid var(--sm-border);border-radius:10px;background:#fff;color:var(--sm-fg);transition:border .15s,box-shadow .15s}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--sm-primary);box-shadow:0 0 0 3px rgba(30,64,175,.15)}
.alert.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;padding:.75rem 1rem;border-radius:10px}

/* Page hero */
.page-hero{background:var(--sm-surface);padding:4rem 0 3rem;border-bottom:1px solid var(--sm-border)}
.page-hero h1{margin-bottom:.3rem}
.prose{font-size:1.05rem;color:var(--sm-fg)}
.prose img{border-radius:var(--sm-radius);margin:1.5rem 0}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:3.5rem 0 0;margin-top:4rem}
.site-footer h4{color:#fff;margin-bottom:1rem;font-size:1rem}
.site-footer p,.site-footer a,.site-footer li{color:#cbd5e1}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{padding:.25rem 0}
.baseboard{border-top:1px solid #1e293b;padding:1.3rem 0;background:#0b1220}
.baseboard-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.baseboard p{margin:0;font-size:.9rem;color:#94a3b8}
.footer-menu{list-style:none;display:flex;gap:1rem;margin:0;padding:0}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:none}

/* Error 404 */
.error-404 h1{font-size:5rem;color:var(--sm-primary);margin-bottom:.2rem}

/* Pagination */
.pagination{margin-top:2rem;text-align:center}
.pagination .page-numbers{display:inline-block;padding:.5rem .85rem;margin:0 .15rem;border:1px solid var(--sm-border);border-radius:8px;color:var(--sm-fg)}
.pagination .page-numbers.current{background:var(--sm-primary);color:#fff;border-color:var(--sm-primary)}

/* Responsive */
@media (max-width:900px){
  .hero-inner,.two-col{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .menu-toggle{display:flex}
  .primary-nav{position:fixed;inset:64px 0 auto 0;background:#fff;border-bottom:1px solid var(--sm-border);flex-direction:column;align-items:stretch;padding:1rem 1.5rem;gap:1rem;transform:translateY(-110%);transition:transform .25s ease;box-shadow:var(--sm-shadow)}
  .primary-nav.is-open{transform:translateY(0)}
  .primary-nav .menu{flex-direction:column;gap:.6rem}
  .nav-cta{width:100%}
  .section{padding:3.5rem 0}
  .hero{padding:3rem 0}
  .footer-grid{grid-template-columns:1fr}
  .baseboard-inner{flex-direction:column;text-align:center}
}