.sbv-hero{padding:clamp(48px,7vw,88px) 0 66px;overflow:hidden}
.sbv-hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(420px,.94fr);gap:62px;align-items:center}
.sbv-hero h1{font-size:clamp(46px,6vw,82px);line-height:.94;letter-spacing:-.055em;margin:0 0 24px;font-weight:800;max-width:820px}
.sbv-hero h1 em{font-style:normal;color:var(--bk-orange)}
.sbv-hero-lede{font-size:clamp(18px,1.55vw,22px);line-height:1.58;color:var(--bk-muted);max-width:700px;margin:0 0 28px}
.sbv-hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.sbv-hero-note{font-size:13px;font-weight:700;color:var(--bk-muted);margin-top:14px}
.sbv-stage{position:relative;min-height:590px}
.sbv-stage:before{content:"";position:absolute;inset:42px 20px 24px 72px;background:var(--bk-orange);border-radius:34px}
.sbv-stage-main{position:absolute;left:0;top:0;width:68%;height:88%;overflow:hidden;border-radius:30px;border:6px solid var(--bk-warm);box-shadow:var(--bk-shadow);z-index:2}
.sbv-stage-main img,.sbv-stage-small img{width:100%;height:100%;object-fit:cover}
.sbv-stage-small{position:absolute;right:0;bottom:0;width:43%;height:44%;overflow:hidden;border-radius:24px;border:6px solid var(--bk-warm);box-shadow:var(--bk-shadow);z-index:3}
.sbv-stage-note{position:absolute;right:2%;top:28px;width:42%;background:var(--bk-ink);color:var(--bk-white);border-radius:18px;padding:18px;z-index:4;font-weight:800;font-size:15px;line-height:1.3}
.sbv-stage-note span{display:block;color:var(--bk-orange);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px}

.sbv-answer{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start}
.sbv-answer-card{background:var(--bk-ink);color:var(--bk-white);padding:28px;border-radius:22px;position:sticky;top:104px}
.sbv-answer-card strong{display:block;color:var(--bk-orange);font-size:12px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:12px}
.sbv-answer-card p{font-size:22px;line-height:1.3;margin:0}
.sbv-answer-copy p{font-size:18px;color:var(--bk-muted);line-height:1.7}

.sbv-signal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:36px}
.sbv-signal{border:1px solid var(--bk-line);border-radius:18px;padding:26px;background:var(--bk-paper);min-height:210px}
.sbv-signal b{display:block;color:var(--bk-orange-dark);font-size:12px;letter-spacing:.11em;text-transform:uppercase;margin-bottom:12px}
.sbv-signal h3{font-size:25px;line-height:1.05;letter-spacing:-.035em;margin:0 0 10px}
.sbv-signal p{margin:0;color:var(--bk-muted)}

.sbv-work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:40px}
.sbv-work{padding:26px;border-radius:20px;background:#171717;border:1px solid rgba(255,255,255,.12);min-height:250px}
.sbv-work .num{font-size:12px;color:var(--bk-orange);font-weight:800;letter-spacing:.11em}
.sbv-work h3{font-size:25px;line-height:1.05;margin:34px 0 12px;letter-spacing:-.035em}
.sbv-work ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:rgba(255,255,255,.68);font-size:15px}
.sbv-work li:before{content:"→";color:var(--bk-orange);margin-right:8px}

.sbv-flow{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:center}
.sbv-photo{position:relative;min-height:570px}
.sbv-photo img{width:82%;height:540px;object-fit:cover;border-radius:28px;box-shadow:var(--bk-shadow)}
.sbv-photo-card{position:absolute;right:0;bottom:24px;background:var(--bk-orange);padding:24px;border-radius:20px;width:54%;box-shadow:var(--bk-shadow)}
.sbv-photo-card strong{font-size:34px;line-height:1;display:block;letter-spacing:-.05em}
.sbv-photo-card p{margin:10px 0 0;font-weight:600}
.sbv-flow-list{display:grid;gap:12px;margin-top:26px}
.sbv-flow-item{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:18px 0;border-top:1px solid var(--bk-line)}
.sbv-flow-item:last-child{border-bottom:1px solid var(--bk-line)}
.sbv-flow-item b{font-size:12px;color:var(--bk-orange-dark)}
.sbv-flow-item h3{margin:0 0 4px;font-size:21px;letter-spacing:-.02em}.sbv-flow-item p{margin:0;color:var(--bk-muted)}

.sbv-choice{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:38px}
.sbv-choice-card{border:1px solid var(--bk-line);border-radius:22px;padding:28px;background:var(--bk-paper);min-height:310px;display:flex;flex-direction:column}
.sbv-choice-card.is-primary{background:var(--bk-orange);border-color:var(--bk-orange)}
.sbv-choice-card .tag{font-size:11px;letter-spacing:.11em;text-transform:uppercase;font-weight:800;color:var(--bk-muted);margin-bottom:18px}.sbv-choice-card.is-primary .tag{color:rgba(11,11,11,.62)}
.sbv-choice-card h3{font-size:30px;line-height:1;margin:0 0 12px;letter-spacing:-.04em}.sbv-choice-card p{color:var(--bk-muted);margin:0 0 18px}.sbv-choice-card.is-primary p{color:rgba(11,11,11,.72)}
.sbv-choice-card ul{list-style:none;margin:0 0 24px;padding:0;display:grid;gap:9px}.sbv-choice-card li:before{content:"✓";font-weight:900;margin-right:8px}.sbv-choice-card .bk-text-link{margin-top:auto;align-self:flex-start}

.sbv-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:42px;border-top:1px solid var(--bk-line-light);border-bottom:1px solid var(--bk-line-light)}
.sbv-step{padding:28px 24px;border-right:1px solid var(--bk-line-light)}.sbv-step:last-child{border-right:0}.sbv-step .n{display:block;color:var(--bk-orange);font-size:12px;font-weight:800;margin-bottom:34px}.sbv-step h3{font-size:23px;line-height:1.05;margin:0 0 10px}.sbv-step p{margin:0;color:rgba(255,255,255,.64);font-size:15px}

.sbv-source-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}.sbv-source{border:1px solid var(--bk-line);padding:26px;border-radius:20px}.sbv-source h3{font-size:26px;margin:0 0 8px}.sbv-source p{margin:0;color:var(--bk-muted)}

.sbv-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:34px}.sbv-related a,.sbv-related .is-planned{display:flex;flex-direction:column;gap:7px;border:1px solid var(--bk-line);border-radius:17px;padding:22px;background:var(--bk-paper);min-height:120px}.sbv-related a:hover{background:var(--bk-orange)}.sbv-related strong{font-size:18px}.sbv-related span{font-size:14px;color:var(--bk-muted)}.sbv-related .is-planned{opacity:.48}

.sbv-book-points{list-style:none;padding:0;margin:25px 0 0;display:grid;gap:10px}.sbv-book-points li{padding-left:24px;position:relative}.sbv-book-points li:before{content:"✓";position:absolute;left:0;font-weight:900}

@media(max-width:980px){
  .sbv-hero-grid,.sbv-answer,.sbv-flow{grid-template-columns:1fr;gap:42px}.sbv-stage{min-height:520px;max-width:650px}.sbv-answer-card{position:static}.sbv-work-grid{grid-template-columns:repeat(2,1fr)}.sbv-choice{grid-template-columns:1fr}.sbv-steps{grid-template-columns:repeat(2,1fr)}.sbv-step:nth-child(2){border-right:0}.sbv-step:nth-child(-n+2){border-bottom:1px solid var(--bk-line-light)}
}
@media(max-width:640px){
  .sbv-hero{padding-top:34px}.sbv-hero-grid{gap:32px}.sbv-stage{min-height:430px}.sbv-stage:before{inset:34px 6px 18px 38px}.sbv-stage-main{width:72%;height:84%}.sbv-stage-small{width:46%;height:40%}.sbv-stage-note{top:16px;width:49%;padding:14px;font-size:13px}.sbv-signal-grid,.sbv-work-grid,.sbv-source-grid,.sbv-related{grid-template-columns:1fr}.sbv-photo{min-height:480px}.sbv-photo img{height:440px;width:90%}.sbv-photo-card{width:70%;padding:18px}.sbv-steps{grid-template-columns:1fr}.sbv-step{border-right:0;border-bottom:1px solid var(--bk-line-light)}.sbv-step:last-child{border-bottom:0}
}