.scene03-unused-*{box-sizing:border-box}
.scene03-unused-html{scroll-behavior:smooth}
.scene03-unused-body{margin:0;background:linear-gradient(180deg,#07111f,#091725 56%,#07111f);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
.scene03-unused-img{display:block;width:100%;height:100%;object-fit:cover}
.scene03-unused-button{font:inherit}
.scene03-unused-header{position:fixed;z-index:50;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:18px 30px;background:rgba(7,17,31,.76);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
header .scene03-unused-img{width:112px;height:auto} .scene03-unused-header-span{font-size:11px;letter-spacing:.18em;color:var(--muted)}
.eyebrow{color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}
.scene03__hero{min-height:100vh;padding-top:66px;display:grid;grid-template-columns:.92fr 1.08fr}
.scene03__copy{display:flex;flex-direction:column;justify-content:center;padding:90px 48px 72px max(32px,calc((100vw - 1440px)/2 + 32px))}
h1{font-size:clamp(66px,9.3vw,142px);line-height:.84;letter-spacing:-.07em;margin:18px 0 28px}
.scene03__hero-lead{font-size:clamp(24px,2.1vw,34px);font-weight:760;line-height:1.25;letter-spacing:-.035em;margin:0 0 14px}
.scene03__hero-sub{max-width:660px;color:#cbd5e1;font-size:18px;line-height:1.75;margin:0}
.question{margin-top:34px;color:#9fc7e9;font-size:13px;letter-spacing:.16em}
.scene03__visual{position:relative;min-height:calc(100vh - 66px);overflow:hidden;border-left:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;background:#0b1727}
.scene03__shot{position:relative;overflow:hidden}
.scene03__shot:first-child{border-right:1px solid var(--line)}
.scene03__shot .scene03-unused-img{transition:transform 12s var(--ease)}
.scene03__shot:hover .scene03-unused-img{transform:scale(1.035)}
.scene03__shot:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,17,31,.72),transparent 45%)}
.scene03__shot figcaption{position:absolute;z-index:2;left:24px;bottom:24px}
.scene03__shot b{display:block;font-size:14px;margin-top:6px}
.scene03__shot small{color:var(--cyan);letter-spacing:.13em}
.scene03__section{max-width:1440px;margin:auto;padding:110px 30px}
.scene03__head{display:flex;align-items:end;justify-content:space-between;gap:34px;margin-bottom:40px}
.scene03__head h2{font-size:clamp(48px,7vw,96px);line-height:.92;letter-spacing:-.055em;margin:0}
.scene03__head p{max-width:620px;color:var(--muted);line-height:1.75}
.scene03__projects{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scene03__project{overflow:hidden;border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,var(--surface2),var(--surface))}
.scene03__project-head{padding:28px 30px 24px;border-bottom:1px solid var(--line)}
.scene03__project-head h3{font-size:40px;letter-spacing:-.04em;margin:9px 0}
.scene03__project-head p{margin:0;color:#cbd5e1;line-height:1.6}
.scene03__steps{display:grid}
.scene03__step{display:grid;grid-template-columns:90px minmax(0,1fr) 146px;align-items:center;gap:15px;min-height:124px;padding:14px 16px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:.2s}
.scene03__step:last-child{border-bottom:0}.scene03__step:hover,.scene03__step.active{background:rgba(37,99,235,.1)}
.scene03__step .scene03__dna{color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.08em}
.scene03__step strong{font-size:15px;line-height:1.48}.scene03__step .scene03-unused-img{height:92px;border-radius:12px}
.scene03__viewer{margin-top:20px;display:grid;grid-template-columns:1.25fr .75fr;min-height:570px;border:1px solid var(--line);border-radius:26px;overflow:hidden;background:#0a1626}
.scene03__viewer-media{position:relative;overflow:hidden}
.scene03__viewer-media .scene03-unused-img{position:absolute;inset:0;transition:opacity .18s var(--ease),transform .7s var(--ease)}
.scene03__viewer-media img.changing{opacity:.18;transform:scale(1.02)}
.scene03__asset-badge{position:absolute;z-index:2;left:20px;top:20px;padding:8px 11px;border-radius:999px;background:rgba(7,17,31,.76);border:1px solid rgba(255,255,255,.16);font-size:10px;letter-spacing:.1em;color:var(--cyan);backdrop-filter:blur(12px)}
.scene03__viewer-copy{padding:46px 34px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(180deg,#102039,#0d1a2d)}
.scene03__viewer-copy h3{font-size:44px;line-height:1.05;letter-spacing:-.045em;margin:14px 0 18px}
.scene03__viewer-copy p{font-size:17px;line-height:1.76;color:#cbd5e1}
.scene03__dna-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:28px}
.scene03__dna-strip span{padding:12px 6px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:11px;text-align:center}
.scene03__dna-strip span.active{color:var(--cyan);border-color:var(--blue);background:rgba(37,99,235,.12)}
.scene03__conclusion{min-height:75vh;display:grid;place-items:center;text-align:center;background:radial-gradient(circle at 50% 43%,rgba(37,99,235,.24),transparent 31%)}
.scene03__conclusion h2{font-size:clamp(58px,8vw,118px);line-height:.9;letter-spacing:-.065em;margin:14px 0}
.scene03__conclusion p{color:var(--muted);font-size:17px}.scene03__next{margin-top:32px;color:var(--cyan);font-size:12px;letter-spacing:.16em}
.scene03-unused-footer{padding:28px 30px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:1080px){.scene03__hero{grid-template-columns:1fr}.scene03__visual{min-height:62vh;border-left:0;border-top:1px solid var(--line)}.scene03__projects,.scene03__viewer{grid-template-columns:1fr}.scene03__viewer-media{min-height:430px}.scene03__head{display:block}.scene03__head p{margin-top:18px}}
@media(max-width:700px){.scene03__copy,.scene03__section{padding-left:20px;padding-right:20px}.scene03__visual{grid-template-columns:1fr}.scene03__shot:first-child{border-right:0;border-bottom:1px solid var(--line)}.scene03__shot{min-height:42vh}.scene03__step{grid-template-columns:72px 1fr 86px}.scene03__step .scene03-unused-img{height:68px}.scene03__viewer-copy{padding:34px 22px}.scene03__dna-strip{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){.scene03-unused-*{transition-duration:.001ms!important}}

.scene03{position:relative;min-height:100vh;border-top:1px solid var(--osof-line)}
.scene03__visual{gap:14px;padding:14px 14px 14px 0}
.scene03__shot{margin:0}
.scene03__shot img{width:100%;height:100%;object-fit:cover}
.scene03__step img{width:146px;height:92px;object-fit:cover}
.scene03__viewer-media img{width:100%;height:100%;object-fit:cover}
@media(max-width:1080px){.scene03__visual{padding-left:14px}}


/* Scene 03 Asset Freeze v1.0 */
.scene03__step img{
  object-position:center;
  background:#0a1626;
}
.scene03__project:first-child .scene03__step:nth-child(3) img,
.scene03__project:first-child .scene03__step:nth-child(4) img{
  object-fit:contain;
  padding:4px;
  background:#e8edf3;
}
.scene03__viewer-media img{
  object-position:center;
}


/* Scene 03 Typography Lock v1.1
   Match Scene 04 hero scale without changing layout or images. */
.scene03__copy > h2{
  margin:18px 0 54px;
  font-size:clamp(68px,9.4vw,144px);
  line-height:.84;
  letter-spacing:-.07em;
}
.scene03__copy > .hero-lead{
  margin:0 0 16px;
  font-size:clamp(18px,1.65vw,25px);
  line-height:1.4;
  letter-spacing:-.02em;
}
.scene03__copy > .hero-sub{
  max-width:620px;
  margin:0;
  color:#cbd5e1;
  font-size:18px;
  line-height:1.75;
}
.scene03__copy > .question{
  margin-top:34px;
}
@media(max-width:700px){
  .scene03__copy > h2{
    font-size:clamp(62px,18vw,96px);
    margin-bottom:42px;
  }
}


/* Scene 03 Viewer Tabs v1.2 */
.scene03__dna-strip{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:8px;
  margin-top:28px;
}
.scene03__dna-strip button{
  min-height:42px;
  padding:9px 10px;
  border:1px solid rgba(148,163,184,.26);
  border-radius:999px;
  background:rgba(8,20,36,.35);
  color:#94a3b8;
  font:inherit;
  font-size:11px;
  line-height:1;
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.scene03__dna-strip button:hover{
  color:#dbeafe;
  border-color:rgba(59,130,246,.65);
  transform:translateY(-1px);
}
.scene03__dna-strip button.active{
  color:#67e8f9;
  border-color:#2563eb;
  background:rgba(37,99,235,.18);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,.08);
}
.scene03__dna-strip button:focus-visible{
  outline:2px solid #22d3ee;
  outline-offset:3px;
}
@media(max-width:700px){
  .scene03__dna-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene03__dna-strip button:last-child{grid-column:1 / -1}
}


/* RC9 — Ask / Build / Test belongs to Building Together */
.scene03__method{
  max-width:1440px;
  margin:auto;
  padding:110px 30px 120px;
}
.scene03__method-head{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(320px,.75fr);
  align-items:end;
  gap:56px;
  margin-bottom:42px;
}
.scene03__method-head h2{
  margin:14px 0 0;
  font-size:clamp(52px,7vw,98px);
  line-height:.91;
  letter-spacing:-.06em;
}
.scene03__method-head p{
  margin:0 0 8px;
  color:var(--muted);
  font-size:17px;
  line-height:1.75;
}
.scene03__method-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}
.scene03__method-card{
  position:relative;
  min-height:390px;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:24px;
  background:#0a1626;
}
.scene03__method-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(7,17,31,.94),transparent 62%);
}
.scene03__method-card img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 8s var(--ease);
}
.scene03__method-card:hover img{
  transform:scale(1.035);
}
.scene03__method-card div{
  position:absolute;
  z-index:2;
  left:24px;
  right:24px;
  bottom:22px;
}
.scene03__method-card b{
  display:block;
  margin-bottom:8px;
  color:var(--cyan);
  font-size:12px;
  letter-spacing:.16em;
}
.scene03__method-card h3{
  margin:0;
  font-size:32px;
}
@media(max-width:1000px){
  .scene03__method-head{
    grid-template-columns:1fr;
    gap:22px;
  }
  .scene03__method-grid{
    grid-template-columns:1fr;
  }
  .scene03__method-card{
    min-height:330px;
  }
}
@media(max-width:700px){
  .scene03__method{
    padding-left:20px;
    padding-right:20px;
  }
}


/* RC10 — Building Together layout fix */
.scene03__hero{
  align-items:stretch;
}
.scene03__hero > .scene03__copy{
  grid-column:1;
}
.scene03__hero > .scene03__visual{
  grid-column:2;
}
.scene03__method{
  position:relative;
  clear:both;
}
@media(max-width:1080px){
  .scene03__hero > .scene03__copy,
  .scene03__hero > .scene03__visual{
    grid-column:1;
  }
}


/* RC11 — In-place project switcher */
.scene03__project-switcher{
  margin:28px 0 18px;
  padding-top:22px;
  border-top:1px solid rgba(148,163,184,.18);
}
.scene03__project-switcher-label{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:14px;
}
.scene03__project-switcher-label span{
  color:var(--cyan);
  font-size:11px;
  font-weight:700;
  letter-spacing:.15em;
  text-transform:uppercase;
}
.scene03__project-switcher-label small{
  color:#71849a;
  font-size:11px;
}
.scene03__project-switcher-options{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.scene03__project-switcher-options button{
  position:relative;
  min-height:86px;
  padding:16px 18px;
  border:1px solid rgba(148,163,184,.22);
  border-radius:16px;
  background:rgba(7,17,31,.56);
  color:#73869b;
  text-align:left;
  cursor:pointer;
  transition:
    border-color .25s ease,
    background .25s ease,
    transform .25s ease;
}
.scene03__project-switcher-options button:hover{
  border-color:rgba(103,232,249,.5);
  background:rgba(16,40,64,.28);
  transform:translateY(-1px);
}
.scene03__project-switcher-options button.active{
  border-color:#22d3ee;
  background:rgba(34,211,238,.08);
  box-shadow:
    inset 0 0 24px rgba(34,211,238,.04),
    0 0 20px rgba(34,211,238,.06);
}
.scene03__project-switcher-options button::before{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:0;
  height:2px;
  border-radius:999px;
  background:#22d3ee;
  transform:scaleX(0);
  transition:transform .25s ease;
}
.scene03__project-switcher-options button.active::before{
  transform:scaleX(1);
}
.scene03__project-switcher-options span{
  display:block;
  margin-bottom:7px;
  color:#4f6982;
  font-size:10px;
  letter-spacing:.12em;
}
.scene03__project-switcher-options strong{
  display:block;
  color:#a9b7c6;
  font-size:17px;
}
.scene03__project-switcher-options small{
  display:block;
  margin-top:6px;
  color:#61768b;
  font-size:10px;
}
.scene03__project-switcher-options button.active span{
  color:#22d3ee;
}
.scene03__project-switcher-options button.active strong{
  color:#eef6ff;
}
.scene03__project-switcher-options button.active small{
  color:#8da1b5;
}
.scene03__project-switcher-options button:focus-visible{
  outline:2px solid #22d3ee;
  outline-offset:3px;
}
@media(max-width:720px){
  .scene03__project-switcher-label{
    display:block;
  }
  .scene03__project-switcher-label small{
    display:block;
    margin-top:7px;
  }
  .scene03__project-switcher-options{
    grid-template-columns:1fr;
  }
}


/* RC15.6 — Scene 03 conclusion uses the same closing rhythm as Scene 02. */
.scene03__conclusion{
  min-height:0 !important;
  display:flex !important;
  flex-direction:column;
  align-items:stretch;
  justify-content:flex-start;
  padding:clamp(74px,8vh,108px) 0 0 !important;
  text-align:center;
}
.scene03__conclusion > div{
  width:min(1180px,92vw);
  margin:0 auto;
}
.scene03__conclusion::after{
  content:"";
  display:block;
  width:100%;
  height:1px;
  margin-top:var(--osof-transition-close);
  background:var(--osof-transition-line);
  flex:0 0 auto;
}
.scene03__next{
  margin-top:28px;
}

/* Divider belongs to the preceding conclusion, not the next scene. */
.scene04{
  border-top:0 !important;
}
.scene04__hero{
  padding-top:var(--osof-transition-open);
}


/* RC15.7 — Full-bleed closing divider */
.scene03__conclusion::after{
  width:100vw !important;
  margin-left:calc(50% - 50vw);
}


/* RC15.13 — Unified 3-level typography
   Main title = white / English lead = cyan / Korean supporting copy = bright white */
.scene03__copy h2{
  color:#f5f7fb !important;
}
.scene03__copy .hero-lead{
  color:#67e8f9 !important;
}
.scene03__copy .hero-sub{
  color:#e4edf6 !important;
}