:root{--blue:#002789;--blue2:#1744b3;--ink:#101828;--muted:#667085;--line:#e4e7ec;--soft:#f7f9fc;--white:#fff;--navy:#071432}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Rubik,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:var(--blue)}
.wrap{width:min(1120px,calc(100% - 36px));margin:auto}.top{background:var(--blue);color:#fff}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:flex;align-items:center;text-decoration:none}.logo img{height:54px;width:auto}.navlinks{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.navlinks a{color:#fff;text-decoration:none;font-size:13px}.navlinks .cta{border:1px solid rgba(255,255,255,.55);padding:8px 14px;border-radius:999px}.hero{background:linear-gradient(135deg,#001c62,#002789 55%,#1744b3);color:#fff;padding:76px 0 64px}.crumbs{font-size:12px;opacity:.75;margin-bottom:24px}.crumbs a{color:#fff}.hero-kicker{color:#a9c5ff!important}.hero h1{font-size:clamp(40px,6vw,68px);line-height:1.03;letter-spacing:-.04em;margin:0 0 20px}.hero p{font-size:19px;max-width:860px;color:rgba(255,255,255,.86)}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;text-decoration:none;font-weight:700;border-radius:4px;padding:12px 20px;border:1px solid transparent}.btn-white{background:#fff;color:var(--blue)}.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}.btn-blue{background:var(--blue);color:#fff}.btn-outline{border-color:#b9c2d0;color:var(--blue);background:#fff}.proof{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}.proof div{border:1px solid rgba(255,255,255,.2);padding:16px;border-radius:8px;background:rgba(255,255,255,.05)}.proof strong{display:block;font-size:21px}.proof span{font-size:12px;color:rgba(255,255,255,.72)}
.section{padding:70px 0}.section.alt{background:var(--soft)}.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.13em;color:var(--blue);font-weight:700}.section h2{font-size:36px;line-height:1.15;letter-spacing:-.025em;margin:8px 0 18px}.lead{font-size:18px;color:var(--muted);max-width:900px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:32px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}.card{border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff}.card h3{margin:0 0 8px;font-size:21px}.card p{color:var(--muted);margin:0}.ticks{list-style:none;padding:0;margin:24px 0}.ticks li{padding:9px 0 9px 28px;position:relative;border-bottom:1px solid #edf0f4}.ticks li:before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:800}.factbox{background:#071d4f;color:#fff;padding:30px;border-radius:10px}.factbox h3{margin-top:0}.factbox p,.factbox li{color:rgba(255,255,255,.8)}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{font-weight:700;cursor:pointer}.faq p{color:var(--muted);max-width:900px}.cluster{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.cluster a{display:block;padding:17px;border:1px solid var(--line);text-decoration:none;color:var(--ink);background:#fff;border-radius:8px}.cluster a:hover{border-color:var(--blue);color:var(--blue)}
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.trust-badges{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.trust-badges span{font-size:12px;font-weight:700;color:#344054;background:#fff;border:1px solid var(--line);padding:8px 10px;border-radius:999px}.video-actions{display:flex;gap:10px;flex-wrap:wrap}.video-card{background:#071432;border-radius:12px;padding:10px;box-shadow:0 18px 45px rgba(7,20,50,.13)}.video-frame{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.refs-section{background:#fff}.refs-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:28px}.ref-logo{min-height:90px;border:1px solid var(--line);background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:14px}.ref-logo img{max-width:100%;max-height:60px;object-fit:contain;filter:grayscale(12%)}
.contact-rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;background:#fff;border:1px solid #d8deea;box-shadow:0 15px 40px rgba(16,24,40,.15);border-radius:10px;overflow:hidden}.contact-rail a{padding:10px 12px;text-decoration:none;font-size:11px;font-weight:800;color:#344054;border-bottom:1px solid #eef1f5;background:#fff}.contact-rail a:last-child{border-bottom:0}.contact-rail a.quote{background:var(--blue);color:#fff}.contact-rail a:hover{background:#f5f8ff;color:var(--blue)}.contact-rail a.quote:hover{background:#001c62;color:#fff}
.cta-band{background:var(--blue);color:#fff;padding:50px 0}.cta-band .wrap{display:flex;justify-content:space-between;gap:30px;align-items:center}.cta-band h2{margin:0;font-size:32px}.cta-band p{color:rgba(255,255,255,.8)}.cta-actions{display:flex;gap:10px;flex-wrap:wrap}.footer{padding:38px 0;background:var(--navy);color:#cbd5e1}.footer a{color:#fff}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}.footer img{height:50px}.footer-contact{display:flex;flex-direction:column;gap:5px;margin-top:14px}.tiny{font-size:12px;color:#98a2b3;margin-top:30px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
@media(max-width:1000px){.contact-rail{right:8px}.refs-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:900px){.proof,.grid3,.cluster{grid-template-columns:1fr 1fr}.grid2,.trust-grid{grid-template-columns:1fr}.navlinks{display:none}.cta-band .wrap{align-items:flex-start;flex-direction:column}.footergrid{grid-template-columns:1fr 1fr}.refs-grid{grid-template-columns:repeat(3,1fr)}.contact-rail{top:auto;bottom:10px;left:10px;right:10px;transform:none;flex-direction:row;justify-content:stretch}.contact-rail a{flex:1;text-align:center;border-bottom:0;border-right:1px solid #eef1f5;padding:10px 6px}.contact-rail a:last-child{border-right:0}}
@media(max-width:600px){.proof,.grid3,.cluster,.footergrid{grid-template-columns:1fr}.hero{padding:54px 0}.section{padding:52px 0}.section h2{font-size:31px}.logo img{height:48px}.refs-grid{grid-template-columns:repeat(2,1fr)}.contact-rail a{font-size:10px}.hero-actions .btn{width:100%;text-align:center}}

/* V3 Buyer Knowledge Center */
.knowledge-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px}.knowledge-card{border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px}.knowledge-card h2{font-size:25px;margin:8px 0 10px}.knowledge-card h2 a{color:var(--ink);text-decoration:none}.knowledge-card p{color:var(--muted);margin-bottom:18px}.knowledge-link{font-weight:700;text-decoration:none}.knowledge-hero h1{max-width:850px}@media(max-width:800px){.knowledge-grid{grid-template-columns:1fr}}


/* V4 Factory Proof + Commercial Authority */
.source-note{margin-top:18px;color:var(--muted);font-size:12px;line-height:1.6}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.process-grid>div{border:1px solid var(--line);background:#fff;border-radius:10px;padding:22px}.process-grid b{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px}.process-grid h3{font-size:18px;margin:14px 0 7px}.process-grid p{color:var(--muted);font-size:14px;margin:0}.video-card-large{max-width:980px;margin:auto}.evidence-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.evidence-strip a{border:1px solid var(--line);background:#fff;padding:16px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:700}.evidence-strip a:hover{border-color:var(--blue);color:var(--blue)}@media(max-width:950px){.process-grid{grid-template-columns:repeat(2,1fr)}.evidence-strip{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.process-grid,.evidence-strip{grid-template-columns:1fr}}