.sdv4-section,.sdv4-section *{box-sizing:border-box}
.sdv4-section{position:relative;z-index:5;width:min(1220px,calc(100% - 48px));margin:0 auto;padding:70px 0;color:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.sdv4-panel,.sdv4-card,.sdv4-heading,.sdv4-copy-card{background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.035));border:1px solid rgba(225,232,255,.18);box-shadow:0 30px 90px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.14);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.sdv4-founding-panel{border-radius:36px;padding:42px;overflow:hidden}
.sdv4-kicker{text-transform:uppercase;letter-spacing:.24em;color:#d9dde8;font-size:12px;margin-bottom:12px}
.sdv4-panel h2,.sdv4-heading h2{margin:0;font-size:clamp(38px,5vw,68px);line-height:1.02;letter-spacing:-.05em;text-shadow:0 14px 42px rgba(0,0,0,.42)}
.sdv4-panel p,.sdv4-heading p{font-size:19px;line-height:1.75;color:rgba(255,255,255,.80);max-width:840px}
.sdv4-feature-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:28px 0}
.sdv4-feature-row div{border-radius:20px;border:1px solid rgba(225,232,255,.15);background:rgba(0,0,0,.16);padding:16px}
.sdv4-feature-row span{display:block;text-transform:uppercase;letter-spacing:.16em;font-size:10px;color:rgba(255,255,255,.54)}
.sdv4-feature-row strong{display:block;margin-top:8px;font-size:16px;color:#fff}
.sdv4-btn,.sdv4-card a{display:inline-flex;align-items:center;justify-content:center;border-radius:18px;padding:14px 20px;background:linear-gradient(135deg,#fff,#aeb7c9);color:#060812!important;text-decoration:none!important;font-weight:800;box-shadow:0 14px 32px rgba(0,0,0,.25)}
.sdv4-heading{border-radius:34px;padding:36px;margin-bottom:22px}
.sdv4-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.sdv4-card{border-radius:30px;padding:26px;min-height:300px;display:flex;flex-direction:column;align-items:flex-start}
.sdv4-card-kicker{text-transform:uppercase;letter-spacing:.14em;font-size:11px;color:rgba(217,221,232,.74);margin-bottom:14px}
.sdv4-card h3{font-size:30px;line-height:1.05;letter-spacing:-.04em;margin:0 0 12px}
.sdv4-card p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.76);flex:1}
.sdv4-copy-pack{padding-top:100px}
.sdv4-copy-card{border-radius:24px;padding:22px;margin-bottom:16px}
.sdv4-copy-card h3{margin:0 0 12px;font-size:22px}
.sdv4-copy-card textarea{width:100%;min-height:86px;border-radius:16px;border:1px solid rgba(225,232,255,.18);background:rgba(0,0,0,.28);color:#fff;padding:14px;font-size:14px;line-height:1.5}
@media(max-width:1050px){.sdv4-card-grid,.sdv4-feature-row{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.sdv4-section{width:calc(100% - 28px);padding:46px 0}.sdv4-card-grid,.sdv4-feature-row{grid-template-columns:1fr}.sdv4-founding-panel,.sdv4-heading,.sdv4-card{padding:24px;border-radius:26px}}