*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',ui-sans-serif,system-ui,sans-serif;background:#f0f0f0;color:#1e325a;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
.riv-banner{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(0,0,0,0.7);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,0.1);padding:8px 16px;text-align:center;font-size:11px;color:rgba(255,255,255,0.8);letter-spacing:0.05em}

.riv-main{padding-top:32px;background:#f0f0f0}

/* HERO + CTA wrap shared */
.riv-hero-wrap{padding:12px;display:flex;align-items:center;justify-content:center}
@media(min-width:768px){.riv-hero-wrap{padding:20px}}
.riv-hero-card{position:relative;width:100%;max-width:1536px;height:calc(100vh - 56px);min-height:600px;border-radius:24px;overflow:hidden;display:flex;flex-direction:column;background:#0a0d1a}
@media(min-width:768px){.riv-hero-card{border-radius:48px}}
.riv-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}

@keyframes riv-up{from{opacity:0;transform:translateY(20px) scale(0.98)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Navbar */
.riv-nav{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:24px 28px;color:#fff}
.riv-nav-logo{font-weight:700;font-size:20px;letter-spacing:0.04em;color:#fff}
.riv-nav-links{display:none;align-items:center;gap:24px}
@media(min-width:1024px){.riv-nav-links{display:flex}}
.riv-nav-links a{color:rgba(255,255,255,0.85);font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:4px;transition:color .2s}
.riv-nav-links a:hover{color:#fff}
.riv-chev{font-size:14px;color:rgba(255,255,255,0.7)}
.riv-nav-btn{display:inline-flex;align-items:center;gap:6px;background:rgba(15,30,70,0.85);color:#fff;border:none;padding:8px 14px 8px 18px;border-radius:9999px;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:filter .2s}
.riv-nav-btn:hover{filter:brightness(1.15)}
.riv-arr{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,0.2);font-size:12px;line-height:0}

/* Hero content */
.riv-hero-content{position:relative;z-index:10;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:0 28px;text-align:center}
.riv-hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.6);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.2);color:#1e325a;font-size:13px;font-weight:500;padding:6px 14px;border-radius:9999px;margin-bottom:24px;opacity:0;animation:riv-up 0.7s 0.1s ease-out forwards}
.riv-h1{font-size:clamp(48px,9vw,128px);font-weight:400;line-height:1.02;letter-spacing:-0.024em;color:#5E6470;margin-bottom:24px;opacity:0;animation:riv-up 0.7s 0.3s ease-out forwards}
.riv-hero-p{font-size:16px;color:rgba(94,100,112,0.95);max-width:560px;line-height:1.55;font-weight:400;opacity:0;animation:riv-up 0.7s 0.5s ease-out forwards}
@media(min-width:768px){.riv-hero-p{font-size:18px}}

/* Bottom-left card */
.riv-bl-card{position:absolute;left:24px;bottom:24px;z-index:10;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,0.3);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.18);padding:12px 16px;border-radius:9999px;opacity:0;animation:riv-up 0.7s 0.7s ease-out forwards}
.riv-bl-num{color:#fff;font-size:13px;font-weight:600}
.riv-bl-btn{background:#fff;color:#1e325a;border:none;padding:6px 14px;border-radius:9999px;font-family:inherit;font-size:12px;font-weight:600;cursor:pointer}

/* Bottom-right corner cutout */
.riv-br-corner{position:absolute;right:0;bottom:0;z-index:10;background:#f0f0f0;padding:24px 24px 24px 56px;border-top-left-radius:56px}
.riv-cut{position:absolute}
.riv-cut-t{top:-56px;right:0}
.riv-cut-l{left:-56px;bottom:0;transform:rotate(180deg)}
.riv-br-content{display:flex;align-items:center;gap:12px}
.riv-br-circle{width:36px;height:36px;border-radius:50%;background:rgba(94,100,112,0.1);display:inline-flex;align-items:center;justify-content:center;color:#5E6470}
.riv-br-circle .riv-arr{background:transparent;color:#5E6470;width:18px;height:18px;font-size:12px}
.riv-br-txt{font-size:13px;color:#5E6470;line-height:1.3}

/* METRICS */
.riv-metrics{padding:20px 12px}
@media(min-width:768px){.riv-metrics{padding:48px 20px}}
.riv-metrics-box{max-width:1536px;margin:0 auto;background:rgba(30,50,90,0.02);border:1px solid rgba(30,50,90,0.05);border-radius:24px;padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:0}
@media(min-width:768px){.riv-metrics-box{border-radius:48px;padding:64px;grid-template-columns:repeat(4,1fr)}}
.riv-metric{padding:16px;border-right:1px solid rgba(30,50,90,0.1)}
.riv-metric:last-child{border-right:none}
@media(max-width:767px){
  .riv-metric:nth-child(2n){border-right:none}
  .riv-metric:nth-child(-n+2){border-bottom:1px solid rgba(30,50,90,0.1)}
}
.riv-mnum{font-size:48px;font-weight:500;color:#1e325a;letter-spacing:-0.02em;line-height:1}
@media(min-width:768px){.riv-mnum{font-size:64px}}
.riv-mlbl{font-size:13px;color:rgba(30,50,90,0.6);margin-top:8px}

/* FEATURES */
.riv-features{max-width:1536px;margin:0 auto;padding:20px 12px}
@media(min-width:768px){.riv-features{padding:32px 20px}}
.riv-feat-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;margin-bottom:24px}
.riv-feat-h2{font-size:36px;font-weight:500;color:#1e325a;letter-spacing:-0.02em;line-height:1.1;max-width:680px}
@media(min-width:768px){.riv-feat-h2{font-size:48px}}
.riv-feat-btn{background:transparent;color:#1e325a;border:1px solid rgba(30,50,90,0.2);border-radius:9999px;padding:10px 20px;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background .2s}
.riv-feat-btn:hover{background:rgba(30,50,90,0.05)}

.riv-feat-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.riv-feat-grid{grid-template-columns:1fr 1fr 1fr;grid-template-rows:1fr 1fr}}
.riv-feat-card{position:relative;background:#fff;border-radius:24px;padding:32px;overflow:hidden;transition:box-shadow .3s;min-height:280px;display:flex;flex-direction:column}
@media(min-width:768px){.riv-feat-card{border-radius:32px;padding:40px}}
.riv-feat-card:hover{box-shadow:0 8px 30px rgba(0,0,0,0.04)}
@media(min-width:768px){.riv-feat-tall{grid-row:span 2;min-height:28rem}}
@media(min-width:768px){.riv-feat-wide{grid-column:span 2}}
.riv-feat-watermark{position:absolute;color:#1e325a;opacity:0.04;pointer-events:none;transition:transform .4s}
.riv-feat-card:hover .riv-feat-watermark{transform:scale(1.1)}
.riv-wm-layers{right:-40px;bottom:-40px}
.riv-wm-activity{right:0;bottom:-20px}
.riv-feat-title{position:relative;z-index:1;font-size:24px;font-weight:500;color:#1e325a;line-height:1.15;letter-spacing:-0.01em;margin-bottom:auto;max-width:380px}
@media(min-width:768px){.riv-feat-title{font-size:30px}}
.riv-feat-desc{position:relative;z-index:1;font-size:14px;color:rgba(30,50,90,0.65);line-height:1.55;margin-top:24px;max-width:480px}
.riv-feat-out{position:relative;z-index:1;align-self:flex-start;margin-top:20px;background:transparent;color:#1e325a;border:1px solid rgba(30,50,90,0.2);border-radius:9999px;padding:8px 16px;font-family:inherit;font-size:12px;font-weight:500;cursor:pointer}
.riv-feat-cross{align-items:center;justify-content:space-between;flex-direction:row;gap:24px}
.riv-cross-btn{flex-shrink:0;width:64px;height:64px;border-radius:50%;background:rgba(30,50,90,0.05);border:none;color:#1e325a;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s,background .2s}
.riv-cross-btn:hover{background:rgba(30,50,90,0.1);transform:scale(1.06)}
.riv-cross-btn .riv-arr{background:transparent;color:#1e325a;width:auto;height:auto;font-size:24px}

/* CTA */
.riv-cta-card{justify-content:center;align-items:center}
.riv-cta-content{position:relative;z-index:10;text-align:center;color:#fff;padding:0 28px;display:flex;flex-direction:column;align-items:center;gap:32px}
.riv-cta-h2{font-size:48px;font-weight:400;line-height:1;letter-spacing:-0.02em;color:#fff}
@media(min-width:768px){.riv-cta-h2{font-size:96px}}
.riv-cta-buttons{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.riv-cta-primary{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1e325a;border:none;padding:12px 22px;border-radius:9999px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer}
.riv-cta-primary .riv-arr{background:rgba(30,50,90,0.1);color:#1e325a;font-size:11px}
.riv-cta-secondary{background:rgba(255,255,255,0.1);backdrop-filter:blur(12px);color:#fff;border:1px solid rgba(255,255,255,0.18);padding:12px 22px;border-radius:9999px;font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}
.riv-cta-secondary:hover{background:rgba(255,255,255,0.2)}

/* FOOTER */
.riv-footer{max-width:1536px;margin:0 auto;padding:48px 20px 32px;border-top:1px solid rgba(30,50,90,0.1);display:flex;flex-direction:column;gap:32px;justify-content:space-between}
@media(min-width:768px){.riv-footer{flex-direction:row;align-items:flex-start}}
.riv-foot-left{max-width:340px}
.riv-foot-logo{font-size:24px;font-weight:700;letter-spacing:0.04em;color:#1e325a;margin-bottom:12px}
.riv-foot-desc{font-size:13px;color:rgba(30,50,90,0.55);line-height:1.55}
.riv-foot-right{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;flex:1;max-width:480px}
.riv-foot-h{font-size:12px;font-weight:600;color:#1e325a;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:10px}
.riv-foot-col a{display:block;font-size:13px;color:rgba(30,50,90,0.55);padding:3px 0;cursor:pointer;transition:color .2s}
.riv-foot-col a:hover{color:#1e325a}