/* ── NAV ── */
.nav{
  position:fixed;top:40px;left:0;right:0;z-index:200;height:64px;
  background:rgba(6,14,26,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--navy-border);
  display:flex;align-items:center;justify-content:space-between;padding:0 40px
}
/* ── RIBBON ── */
.ribbon{position:fixed;top:0;left:0;right:0;z-index:400;height:40px;background:linear-gradient(90deg,#5B21B6,#7C3AED);color:rgba(255,255,255,.92);font-size:13px;font-weight:500;display:flex;align-items:center;justify-content:center;padding:0 48px;gap:10px;text-align:center}
.ribbon span{opacity:.9}
.ribbon a{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:2px;white-space:nowrap}
.ribbon a:hover{opacity:.85}
.ribbon-close{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.6);cursor:pointer;font-size:20px;line-height:1;padding:4px 6px;font-family:sans-serif}
.ribbon-close:hover{color:#fff}
.nav-dd-section-label{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--w40);padding:6px 12px 4px;font-family:var(--mono)}
.nav-logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.5px}
.nav-logo span{color:var(--purple)}
.nav-center{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-item > a, .nav-link{
  display:inline-flex;align-items:center;gap:5px;
  color:var(--w40);font-size:14px;font-weight:500;
  padding:8px 14px;border-radius:8px;transition:color .15s,background .15s;cursor:pointer;
  background:transparent;border:none;font-family:var(--font)
}
.nav-item > a:hover, .nav-link:hover{color:#fff;background:var(--w05)}
.nav-chevron{width:12px;height:12px;transition:transform .2s;opacity:.5}
.nav-item:hover .nav-chevron{transform:rotate(180deg);opacity:1}
.nav-dropdown{
  position:absolute;top:calc(100% + 8px);left:0;
  background:var(--navy-mid);border:1px solid var(--navy-border);
  border-radius:14px;padding:8px;min-width:280px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s,visibility .18s,transform .18s;
  box-shadow:0 20px 60px rgba(0,0,0,.5);z-index:300
}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dd-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:10px 12px;border-radius:9px;transition:background .15s;
  color:#fff;cursor:pointer
}
.nav-dd-item:hover{background:var(--w05)}
.nav-dd-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}
.nav-dd-name{font-size:13px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:2px}
.nav-dd-desc{font-size:11px;color:var(--w40);line-height:1.4}
.nav-dd-divider{height:1px;background:var(--navy-border);margin:6px 0}
.nav-dd-plain{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 12px;border-radius:9px;font-size:13px;font-weight:600;
  color:var(--w60);transition:background .15s,color .15s
}
.nav-dd-plain:hover{background:var(--w05);color:#fff}
.nav-dd-plain .ext{font-size:10px;opacity:.5}
.trust-badge{
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.25);
  color:#4ADE80;font-size:10px;font-weight:700;
  padding:2px 7px;border-radius:100px;letter-spacing:.3px
}
.trust-dot{width:5px;height:5px;border-radius:50%;background:#4ADE80}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-plain-link{color:var(--w40);font-size:14px;font-weight:500;padding:8px 14px;border-radius:8px;transition:color .15s,background .15s}
.nav-plain-link:hover{color:#fff;background:var(--w05)}
.nav-cta{background:transparent;color:#fff;padding:9px 20px;border-radius:100px;font-size:13px;font-weight:700;border:1.75px solid rgba(139,92,246,.65);transition:all .2s;white-space:nowrap}
.nav-cta:hover{background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.9);transform:translateY(-1px)}
.nav-cta::after{content:" →";color:var(--purple-light);font-weight:700;margin-left:2px}
.nav-active{color:#fff!important}

/* ── UTILITIES ── */
.section{padding:96px 40px}
.section-alt{background:var(--navy-mid)}
.inner{max-width:1200px;margin:0 auto}
.inner-sm{max-width:860px;margin:0 auto;text-align:center}
.tag{
  display:inline-block;
  font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--purple-light);margin-bottom:16px;font-family:var(--mono)
}
.tag-green{color:#4ADE80}
.section-h2{font-size:clamp(28px,3.5vw,44px);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:16px}
.section-sub{font-size:17px;color:var(--w60);line-height:1.7;max-width:640px}
.section-sub.center{margin:0 auto}
.btn-primary{
  display:inline-block;background:var(--purple);color:#fff;
  padding:14px 30px;border-radius:10px;font-size:14px;font-weight:700;
  box-shadow:0 8px 32px rgba(139,92,246,.35);transition:all .2s
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 42px rgba(139,92,246,.55);background:var(--purple-mid)}
.btn-outline{
  display:inline-block;background:transparent;border:1px solid var(--navy-border);color:var(--w80);
  padding:14px 30px;border-radius:10px;font-size:14px;font-weight:600;transition:all .2s
}
.btn-outline:hover{border-color:var(--w40);color:#fff;background:var(--w05)}
.btn-cta-pill{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1.75px solid rgba(139,92,246,.65);border-radius:100px;color:#fff;padding:12px 26px;font-size:14px;font-weight:600;transition:all .2s;white-space:nowrap}
.btn-cta-pill:hover{background:rgba(139,92,246,.12);border-color:rgba(139,92,246,.9);transform:translateY(-1px)}
.btn-cta-pill::after{content:" →";color:var(--purple-light);font-weight:700;margin-left:4px}
.btn-green{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(74,222,128,.12);border:1px solid rgba(74,222,128,.3);color:#4ADE80;
  padding:14px 28px;border-radius:10px;font-size:14px;font-weight:700;transition:all .2s
}
.btn-green:hover{background:rgba(74,222,128,.2);border-color:rgba(74,222,128,.5);transform:translateY(-1px)}
.grad-purple{
  background:linear-gradient(135deg,#A78BFA 0%,#8B5CF6 50%,#C4B5FD 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}

/* ── PAGE HERO ── */
.page-hero{
  padding:180px 40px 80px;
  background:var(--navy);position:relative;overflow:hidden;text-align:center
}
.page-hero-glow{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:800px;height:500px;border-radius:50%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(139,92,246,.18) 0%,transparent 70%);
  filter:blur(1px)
}
.page-hero-content{position:relative;z-index:2;max-width:700px;margin:0 auto}
.page-hero h1{font-size:clamp(36px,5vw,58px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;margin-bottom:20px}
.page-hero p{font-size:18px;color:var(--w60);line-height:1.7;margin-bottom:36px}

/* ── TAB NAV ── */
.tab-nav{
  display:flex;gap:6px;justify-content:center;flex-wrap:wrap;
  padding:0 40px 48px;background:var(--navy)
}
.tab-btn{
  padding:9px 20px;border-radius:100px;font-size:13px;font-weight:600;
  border:1px solid var(--navy-border);color:var(--w60);transition:all .2s;cursor:pointer
}
.tab-btn:hover{border-color:var(--w20);color:#fff;background:var(--w05)}
.tab-btn.active{
  background:var(--purple);border-color:var(--purple);color:#fff;
  box-shadow:0 4px 18px rgba(139,92,246,.4)
}

/* ── BLOG CARDS ── */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.blog-card{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:18px;overflow:hidden;transition:all .3s cubic-bezier(.16,1,.3,1);
  display:flex;flex-direction:column
}
.blog-card:hover{transform:translateY(-5px);border-color:rgba(139,92,246,.3);box-shadow:0 20px 50px rgba(0,0,0,.35)}
.blog-card-thumb{
  height:180px;background:var(--navy-mid);
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid var(--navy-border);position:relative;overflow:hidden
}
.blog-card-thumb-icon{
  width:56px;height:56px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.25)
}
.blog-card-img-link{
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;
  border-bottom:1px solid var(--navy-border);
  background:var(--navy-mid);
  width:100%;
  padding:0
}
.blog-card-img{
  width:100%;
  height:auto;
  max-height:260px;
  object-fit:contain;
  display:block;
  transition:transform .35s ease
}
.blog-card-img-link:hover .blog-card-img{transform:scale(1.02)}
.blog-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.blog-card-cat{
  font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  font-family:var(--mono);color:var(--purple-light);margin-bottom:10px
}
.blog-card h3{font-size:17px;font-weight:700;line-height:1.35;letter-spacing:-.3px;margin-bottom:10px;color:#fff}
.blog-card p{font-size:14px;color:var(--w60);line-height:1.6;flex:1;margin-bottom:18px}
.blog-card-meta{
  font-size:12px;color:var(--w40);font-family:var(--mono);
  display:flex;align-items:center;gap:8px;margin-top:auto
}
.blog-card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--w20)}
.blog-read-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13px;font-weight:700;color:var(--purple-light);transition:gap .2s
}
.blog-read-link:hover{gap:10px}

/* ── CASE STUDIES ── */
.cs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.cs-card{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:20px;padding:40px 36px;
  transition:all .3s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden
}
.cs-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:20px 20px 0 0
}
.cs-card:hover{transform:translateY(-5px);box-shadow:0 24px 60px rgba(0,0,0,.3)}
.cs-card.aci::before{background:linear-gradient(90deg,#00A1E0,#38BDF8)}
.cs-card.aci:hover{border-color:rgba(0,161,224,.25)}
.cs-card.avalara::before{background:linear-gradient(90deg,#A78BFA,#8B5CF6)}
.cs-card.avalara:hover{border-color:rgba(139,92,246,.3)}
.cs-card.aurora::before{background:linear-gradient(90deg,#F59E0B,#FBBF24)}
.cs-card.aurora:hover{border-color:rgba(245,158,11,.3)}
.cs-card.aurora .cs-link{color:#FBBF24}
.cs-card.medallia::before{background:linear-gradient(90deg,#10B981,#34D399)}
.cs-card.medallia:hover{border-color:rgba(16,185,129,.3)}
.cs-card.medallia .cs-link{color:#34D399}
.cs-card.dwolla::before{background:linear-gradient(90deg,#EF4444,#F87171)}
.cs-card.dwolla:hover{border-color:rgba(239,68,68,.3)}
.cs-card.dwolla .cs-link{color:#F87171}
.cs-card.realestate::before{background:linear-gradient(90deg,#6366F1,#818CF8)}
.cs-card.realestate:hover{border-color:rgba(99,102,241,.3)}
.cs-card.realestate .cs-link{color:#818CF8}
.cs-logo-bar{height:40px;display:flex;align-items:center;margin-bottom:24px}
.cs-logo-bar img{height:28px;width:auto;filter:brightness(0) invert(1);opacity:.7}
.cs-card h3{font-size:22px;font-weight:800;letter-spacing:-.5px;line-height:1.25;margin-bottom:14px}
.cs-card .challenge{font-size:15px;color:var(--w60);line-height:1.65;margin-bottom:24px}
.cs-stat-row{display:flex;gap:28px;margin-bottom:28px;padding:20px;background:var(--w05);border-radius:12px;border:1px solid var(--navy-border)}
.cs-stat{text-align:center}
.cs-stat-val{font-size:22px;font-weight:800;color:var(--purple-light);margin-bottom:3px}
.cs-stat-label{font-size:11px;color:var(--w40);font-family:var(--mono);letter-spacing:.5px;text-transform:uppercase}
.cs-card.aci .cs-stat-val{color:#38BDF8}
.cs-quote{
  font-size:15px;color:var(--w80);line-height:1.65;font-style:italic;
  border-left:3px solid rgba(139,92,246,.4);padding-left:16px;margin-bottom:20px
}
.cs-card.aci .cs-quote{border-left-color:rgba(0,161,224,.4)}
.cs-attr{font-size:13px;color:var(--w40)}
.cs-attr strong{color:var(--w80)}
.cs-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--purple-light);margin-top:20px;transition:gap .2s
}
.cs-card.aci .cs-link{color:#38BDF8}
.cs-link:hover{gap:10px}

/* ── TRUST & SECURITY ── */
.trust-section{
  background:var(--navy);border-top:1px solid var(--navy-border);
  border-bottom:1px solid var(--navy-border);
  padding:80px 40px
}
.trust-hero-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-bottom:56px
}
.trust-headline .tag-green{margin-bottom:14px}
.trust-headline h2{font-size:clamp(28px,3.5vw,42px);font-weight:800;letter-spacing:-1px;line-height:1.15;margin-bottom:16px}
.trust-headline p{font-size:16px;color:var(--w60);line-height:1.7;margin-bottom:28px}
.trust-soc-display{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--navy-light);border:1px solid rgba(74,222,128,.2);
  border-radius:20px;padding:40px 32px;text-align:center;
  box-shadow:0 0 60px rgba(74,222,128,.06)
}
.trust-soc-display img{width:200px;opacity:.9;margin-bottom:20px}
.trust-soc-label{font-size:14px;font-weight:700;color:#4ADE80;margin-bottom:4px}
.trust-soc-sub{font-size:12px;color:var(--w40)}
.cert-cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:40px}
.cert-card{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:16px;padding:28px 24px;text-align:center;transition:all .25s
}
.cert-card:hover{border-color:rgba(74,222,128,.25);transform:translateY(-2px)}
.cert-card-icon{
  width:52px;height:52px;border-radius:14px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center
}
.cert-card-icon.green{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.25)}
.cert-card-icon.sf{background:rgba(0,161,224,.1);border:1px solid rgba(0,161,224,.25)}
.cert-card-icon.ns{background:rgba(232,64,42,.1);border:1px solid rgba(232,64,42,.25)}
.cert-card h4{font-size:15px;font-weight:700;margin-bottom:6px}
.cert-card p{font-size:13px;color:var(--w60);line-height:1.55}
.trust-cta-row{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;
  background:rgba(74,222,128,.05);border:1px solid rgba(74,222,128,.15);
  border-radius:16px;padding:28px 32px
}
.trust-cta-row p{font-size:16px;color:var(--w80);line-height:1.6;max-width:560px}
.trust-cta-row p strong{color:#fff}

/* ── FAQ ── */
.faq-list{margin-top:48px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:14px;overflow:hidden;transition:border-color .2s
}
.faq-item:hover{border-color:rgba(139,92,246,.25)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;font-size:15px;font-weight:700;color:#fff;
  cursor:pointer;user-select:none
}
.faq-q::after{
  content:'＋';font-size:18px;font-weight:400;color:var(--purple-light);
  flex-shrink:0;transition:transform .2s
}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{
  padding:0 24px 20px;font-size:14px;color:var(--w60);line-height:1.7;
  display:none
}
.faq-item.open .faq-a{display:block}

/* ── GLOSSARY ── */
.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:48px}
.gloss-item{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:14px;padding:24px 22px;transition:border-color .2s
}
.gloss-item:hover{border-color:rgba(139,92,246,.25)}
.gloss-term{
  font-size:13px;font-weight:700;color:var(--purple-light);font-family:var(--mono);
  letter-spacing:.5px;margin-bottom:8px
}
.gloss-def{font-size:14px;color:var(--w80);line-height:1.65}

/* ── DOCS CARD ── */
.docs-card{
  background:var(--navy-light);border:1px solid var(--navy-border);
  border-radius:20px;padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  margin-top:48px;transition:border-color .25s
}
.docs-card:hover{border-color:rgba(139,92,246,.3)}
.docs-card-left{}
.docs-card-icon{
  width:56px;height:56px;border-radius:14px;
  background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.25);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px
}
.docs-card h3{font-size:24px;font-weight:800;letter-spacing:-.5px;margin-bottom:12px}
.docs-card p{font-size:15px;color:var(--w60);line-height:1.65;max-width:520px}
.docs-card-right{flex-shrink:0}

/* ── CTA SECTION ── */
.cta-section{
  padding:80px 40px;position:relative;overflow:hidden;
  background:var(--navy-mid);text-align:center
}
.cta-glow{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:700px;height:400px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(139,92,246,.18) 0%,transparent 70%)
}
.cta-content{position:relative;z-index:2}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── FOOTER ── */
.footer{
  background:var(--navy);border-top:1px solid var(--navy-border);
  padding:64px 40px 40px
}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{
  display:grid;grid-template-columns:240px 1fr;gap:64px;
  margin-bottom:48px
}
.footer-logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.5px;margin-bottom:8px}
.footer-logo span{color:var(--purple)}
.footer-tagline{font-size:14px;color:var(--w40);line-height:1.6;margin-bottom:20px}
.footer-contact{font-size:13px;color:var(--w40);margin-bottom:6px}
.footer-contact a{color:var(--w60);transition:color .15s}
.footer-contact a:hover{color:#fff}
.footer-social{display:flex;gap:10px;margin-top:16px}
.social-btn{
  width:36px;height:36px;border-radius:8px;background:var(--w08);
  border:1px solid var(--navy-border);display:flex;align-items:center;
  justify-content:center;transition:all .2s;color:var(--w40)
}
.social-btn:hover{background:var(--w20);color:#fff;border-color:var(--w20)}
.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.footer-col h4{
  font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--w40);margin-bottom:14px;font-family:var(--mono)
}
.footer-col a{display:block;font-size:14px;color:var(--w60);margin-bottom:10px;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-col a.external::after{content:' ↗';font-size:10px;opacity:.5}
.footer-bottom{
  border-top:1px solid var(--navy-border);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  font-size:13px;color:var(--w40)
}
.footer-bottom a{color:var(--w40);transition:color .15s}
.footer-bottom a:hover{color:#fff}
.footer-legal{display:flex;gap:20px;flex-wrap:wrap}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr;gap:40px}
  .footer-links{grid-template-columns:repeat(2,1fr);gap:32px}
  .trust-hero-row{grid-template-columns:1fr;gap:40px}
}
@media(max-width:900px){
  .nav-center{display:none}
  .nav{padding:0 20px}
  .section{padding:64px 20px}
  .page-hero{padding:110px 20px 56px}
  .tab-nav{padding:0 20px 36px}
  .blog-grid{grid-template-columns:1fr}
  .cs-grid{grid-template-columns:1fr}
  .cert-cards-row{grid-template-columns:1fr}
  .glossary-grid{grid-template-columns:1fr}
  .docs-card{flex-direction:column;gap:24px}
  .trust-cta-row{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr}
  .footer-links{grid-template-columns:repeat(2,1fr)}
  .cta-section{padding:64px 20px}
  .trust-section{padding:64px 20px}
}
@media(max-width:600px){
  .blog-grid,.cs-grid,.cert-cards-row,.glossary-grid{grid-template-columns:1fr}
  .footer-links{grid-template-columns:1fr 1fr}
  .cta-btns{flex-direction:column;align-items:center}
  .cs-stat-row{flex-direction:column;gap:16px}
}

@media(max-width:900px){
  .nav-center{display:none!important}
}