.portfolio-hero{position:relative;overflow:hidden}
.portfolio-hero:after{content:"CONCEPT / 001—003";position:absolute;right:4vw;bottom:22px;font:10px var(--mono);letter-spacing:.13em;color:#94a39c}
.portfolio-intro{display:grid;grid-template-columns:1.35fr .65fr;gap:8vw;align-items:end}
.concept-disclosure{margin:0;padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff;font:500 13px/1.7 var(--mono);color:#53615b}
.concepts{padding-bottom:clamp(80px,10vw,130px)}
.concept{padding:clamp(70px,10vw,125px) 0;border-top:1px solid var(--line)}
.concept:first-child{border-top:0;padding-top:0}
.concept-kicker{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.concept-badge{border:1px solid currentColor;border-radius:99px;padding:7px 11px;color:#3d6826;white-space:nowrap}
.concept-title{display:grid;grid-template-columns:1fr 1fr;gap:6vw;align-items:end;margin-bottom:35px}
.concept-title h2{margin:0;font:600 clamp(2.55rem,5vw,5rem)/.98 var(--serif);letter-spacing:-.05em}
.concept-title p{margin:0;color:var(--muted);font-size:1.04rem;max-width:50ch}
.concept-visual{position:relative;margin:0 0 42px;border-radius:18px;overflow:hidden;background:#17231f;box-shadow:0 28px 70px rgba(28,41,35,.14)}
.concept-visual:after{content:"Original concept presentation";position:absolute;left:18px;bottom:18px;padding:8px 11px;border-radius:99px;background:rgba(13,22,19,.82);color:#fff;font:9px var(--mono);letter-spacing:.08em;text-transform:uppercase;backdrop-filter:blur(7px)}
.concept-visual img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;transition:transform .7s ease}
.concept-visual:hover img{transform:scale(1.015)}
.concept-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:44px}
.concept-fact{background:var(--paper);padding:20px 22px}
.concept-fact span{display:block;margin-bottom:7px;font:10px var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.concept-fact strong{font:600 1.08rem var(--serif)}
.concept-story{display:grid;grid-template-columns:1fr 1fr;gap:7vw;margin-bottom:35px}
.concept-story h3,.concept-panel h3{font:600 1.6rem var(--serif);margin:0 0 10px}
.concept-story p,.concept-panel p{margin:0;color:#4d5954}
.concept-details{border-block:1px solid var(--line)}
.concept-details summary{list-style:none;cursor:pointer;padding:21px 2px;display:flex;justify-content:space-between;align-items:center;font-weight:800}
.concept-details summary::-webkit-details-marker{display:none}
.concept-details summary:after{content:'+';font:400 1.7rem var(--serif);transition:transform .2s ease}
.concept-details[open] summary:after{transform:rotate(45deg)}
.concept-detail-body{display:grid;grid-template-columns:.85fr 1.15fr;gap:7vw;padding:12px 0 35px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0 0}
.service-tags span{border:1px solid #aeb8b3;border-radius:99px;padding:8px 11px;font:10px var(--mono);letter-spacing:.03em}
.deliverables{list-style:none;padding:0;margin:17px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:9px}
.deliverables li{padding:13px 14px;background:#fff;border:1px solid var(--line);border-radius:7px;font-size:13px;font-weight:700}
.concept-outcome{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-top:35px;padding:30px;border-radius:13px;background:var(--ink);color:#fff}
.concept-outcome p{max-width:68ch;margin:0;color:#c8d1cd}
.concept-outcome .eyebrow{color:#9facA6;margin-bottom:10px}
.concept-outcome .btn{flex:0 0 auto;background:var(--lime);color:var(--ink)}
@media(max-width:900px){.portfolio-intro,.concept-title,.concept-story,.concept-detail-body{grid-template-columns:1fr}.concept-title{gap:18px}.concept-facts{grid-template-columns:1fr}.concept-outcome{align-items:flex-start;flex-direction:column}.portfolio-hero:after{display:none}}
@media(max-width:600px){.concept{padding:70px 0}.concept-kicker{align-items:flex-start;flex-direction:column}.concept-title h2{font-size:2.65rem}.concept-visual{margin-inline:-8px;border-radius:12px}.concept-visual:after{left:10px;bottom:10px}.deliverables{grid-template-columns:1fr}.concept-outcome{padding:23px}.concept-outcome .btn{width:100%;justify-content:center}.concept-disclosure{padding:19px}}
@media(prefers-reduced-motion:reduce){.concept-visual img,.concept-details summary:after{transition:none}}