.proof-logo-strip{position:relative;z-index:2;overflow:hidden;border-block:1px solid var(--line);background:color-mix(in srgb,var(--surface) 76%,transparent);padding:15px 0}
.proof-logo-strip::before,.proof-logo-strip::after{content:"";position:absolute;z-index:2;top:0;bottom:0;width:12vw;pointer-events:none}
.proof-logo-strip::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.proof-logo-strip::after{right:0;background:linear-gradient(-90deg,var(--bg),transparent)}
.proof-logo-track{display:flex;align-items:center;width:max-content;animation:proofLogoMove 36s linear infinite}
.proof-logo-set{display:flex;align-items:center;gap:62px;padding:0 31px}
.proof-logo-item{height:46px;min-width:135px;display:flex;align-items:center;justify-content:center;color:var(--ink-mute);opacity:.72;filter:grayscale(1);transition:opacity .25s,filter .25s}
.proof-logo-item:hover{opacity:1;filter:grayscale(0)}
.proof-logo-item img{display:block;max-width:145px;max-height:36px;width:auto;height:auto}
.proof-logo-item.word{font-size:17px;font-weight:750;letter-spacing:-.035em;white-space:nowrap}
.proof-logo-item.word.serif{font-family:Georgia,serif;font-weight:600}.proof-logo-item.word.condensed{font-family:Impact,"Arial Narrow",sans-serif;letter-spacing:.02em}
.proof-logo-label{font-family:var(--mono);font-size:8px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-dim);white-space:nowrap;margin-right:10px}
@keyframes proofLogoMove{to{transform:translateX(-50%)}}

.proof-section{position:relative;z-index:2;padding:112px 0;border-top:1px solid var(--line)}
.proof-section.proof-soft{background:color-mix(in srgb,var(--surface) 62%,transparent)}
.proof-section .wrap{width:min(1320px,calc(100% - 72px))}
.proof-head{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end;margin-bottom:48px}
.proof-head h2{font-size:clamp(42px,5.4vw,76px);line-height:.96;letter-spacing:-.052em;margin:13px 0 0;text-wrap:balance}
.proof-head p{font-size:16px;line-height:1.7;color:var(--ink-mute);max-width:570px;margin:0;text-wrap:pretty}
.proof-head .sec-tag{margin:0}
.proof-subhead{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:96px 0 34px;padding-top:34px;border-top:1px solid var(--line)}
.proof-subhead h3{font-size:clamp(32px,4.2vw,54px);line-height:1;letter-spacing:-.045em;margin:0}
.proof-subhead p{font-size:14px;line-height:1.6;color:var(--ink-mute);max-width:500px;margin:0}

.proof-brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:58px 30px;counter-reset:proof-board}
.proof-brand-grid.expanded{grid-template-columns:repeat(3,minmax(0,1fr));gap:58px 30px}
.proof-brand-card{position:relative;min-width:0;margin:0;padding:12px 12px 14px;border:1px solid var(--line);background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 82%,transparent),color-mix(in srgb,var(--bg-2) 68%,transparent));box-shadow:0 24px 70px rgba(2,10,28,.13),inset 0 1px 0 color-mix(in srgb,var(--ink) 5%,transparent);counter-increment:proof-board;transition:transform .32s cubic-bezier(.2,.8,.2,1),border-color .24s ease,box-shadow .32s ease}
.proof-brand-card::before{content:"Brand board / " counter(proof-board,decimal-leading-zero);display:block;padding:1px 2px 11px;color:var(--ink-dim);font-family:var(--mono);font-size:7px;line-height:1;letter-spacing:.14em;text-transform:uppercase}
.proof-brand-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--cyan) 38%,var(--line));box-shadow:0 30px 82px color-mix(in srgb,var(--ocean) 10%,rgba(2,10,28,.2)),inset 0 1px 0 color-mix(in srgb,var(--ink) 7%,transparent)}
.proof-brand-card img{width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;object-position:center;display:block;border:1px solid color-mix(in srgb,var(--line-2) 72%,transparent);background:var(--bg-2)}
.proof-brand-card figcaption{position:static;display:flex;justify-content:space-between;gap:16px;align-items:start;margin-top:12px;padding:13px 2px 1px;border-top:1px solid var(--line);color:var(--ink)}
.proof-brand-card strong{display:block;font-size:14px;line-height:1.15}.proof-brand-card span{display:block;max-width:150px;font-family:var(--mono);font-size:7px;line-height:1.5;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-dim);text-align:right}

.proof-browser-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:54px 18px;align-items:start}
.proof-browser-grid.three{grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 15px}
.proof-browser-card{min-width:0}
.proof-browser-frame{display:block;border:1px solid var(--line-2);border-radius:19px;overflow:hidden;background:var(--bg-2);box-shadow:0 25px 70px rgba(0,0,0,.18);transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.proof-browser-frame:hover{transform:translateY(-6px);box-shadow:0 32px 80px color-mix(in srgb,var(--proof-tone,var(--cyan)) 14%,rgba(0,0,0,.22))}
.proof-browser-bar{height:40px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:0 13px;background:var(--surface);border-bottom:1px solid var(--line)}
.proof-browser-dots{display:flex;gap:4px}.proof-browser-dots i{width:6px;height:6px;border-radius:50%;background:var(--line-2)}.proof-browser-dots i:last-child{background:var(--proof-tone,var(--cyan))}
.proof-browser-url{justify-self:center;width:min(220px,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;font-family:var(--mono);font-size:7px;letter-spacing:.07em;color:var(--ink-dim);padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:var(--bg)}
.proof-browser-kind{font-family:var(--mono);font-size:7px;letter-spacing:.1em;text-transform:uppercase;color:var(--proof-tone,var(--cyan));white-space:nowrap}
.proof-browser-screen{height:430px;position:relative;overflow:hidden;background:#fff}
.proof-browser-grid.three .proof-browser-screen{height:360px}
.proof-browser-screen img{position:absolute;left:0;top:0;width:100%;height:auto;display:block;will-change:transform}
.proof-browser-screen::after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 48px rgba(2,10,24,.12)}
.proof-scroll-note{position:absolute;right:10px;bottom:10px;z-index:2;padding:7px 9px;border-radius:999px;background:rgba(4,18,43,.78);border:1px solid rgba(255,255,255,.16);color:#fff;font-family:var(--mono);font-size:6px;letter-spacing:.1em;text-transform:uppercase}
.proof-browser-caption{display:grid;grid-template-columns:.62fr 1fr;gap:20px;padding:18px 3px 0}
.proof-browser-caption h3{font-size:clamp(24px,2.5vw,36px);line-height:1;letter-spacing:-.04em;margin:0}
.proof-browser-caption span{display:block;font-family:var(--mono);font-size:7px;letter-spacing:.11em;text-transform:uppercase;color:var(--proof-tone,var(--cyan));margin-bottom:7px}
.proof-browser-caption p{font-size:12px;line-height:1.55;color:var(--ink-mute);margin:0}
.proof-browser-grid.three .proof-browser-caption{grid-template-columns:1fr;gap:8px}
.proof-link-row{display:flex;justify-content:flex-end;margin-top:32px}

@media(max-width:1000px){
  .proof-section .wrap{width:min(100% - 44px,900px)}
  .proof-head{grid-template-columns:1fr;gap:24px}
  .proof-brand-grid,.proof-brand-grid.expanded{grid-template-columns:repeat(2,minmax(0,1fr));gap:46px 22px}
  .proof-browser-grid.three{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .proof-logo-strip{padding:9px 0}.proof-logo-set{gap:40px;padding:0 20px}.proof-logo-item{height:40px;min-width:110px}.proof-logo-item img{max-width:120px;max-height:30px}
  .proof-section{padding:78px 0}.proof-section .wrap{width:calc(100% - 28px)}
  .proof-head h2{font-size:44px}.proof-head p{font-size:14px}
  .proof-brand-grid,.proof-brand-grid.expanded{grid-template-columns:1fr;gap:34px}
  .proof-brand-card{padding:10px 10px 12px}.proof-brand-card::before{padding-bottom:9px}.proof-brand-card figcaption{padding:12px 1px 1px}.proof-brand-card span{max-width:160px}
  .proof-subhead{display:block;margin-top:70px}.proof-subhead p{margin-top:12px}
  .proof-browser-grid,.proof-browser-grid.three{grid-template-columns:1fr;gap:52px}
  .proof-browser-screen,.proof-browser-grid.three .proof-browser-screen{height:390px}
  .proof-browser-caption{grid-template-columns:1fr;gap:8px}
}
@media(prefers-reduced-motion:reduce){
  .proof-logo-track{animation:none;transform:translateX(0)}
  .proof-browser-screen img{position:static;transform:none!important}
  .proof-brand-card,.proof-browser-frame{transition:none}
}