/* Home: pinned fly-through (image sequence or WebGL fallback), measurement HUD, then the institutional sections. */

/* ---------- Flight hero ---------- */
.flight{position:relative;height:620vh;background:var(--night)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:radial-gradient(120% 90% at 50% 100%,#14402E 0%,#0A2A1E 58%,#05160F 100%)}
.stage canvas.gl,.stage canvas.seq,.stage .poster{position:absolute;inset:0;width:100%;height:100%;display:block}
.stage .poster{object-fit:cover;opacity:1;transition:opacity .6s}
.stage.seq-ready .poster{opacity:0}
.stage .seq{display:none}
.stage.seq-mode .seq{display:block}
.stage.seq-mode canvas.gl{display:none}
/* photo tour (stills mode): one <picture> per chapter, stacked; stills-player.js sets each photo's opacity and push-in.
   The layer fades in once the opening photo is decoded, so it never appears half-drawn. */
.stage .stills{position:absolute;inset:0;display:none;overflow:hidden;opacity:0;transition:opacity .7s var(--ease-out);isolation:isolate}
.stage.stills-mode .stills{display:block}
.stage.stills-mode.seq-ready .stills{opacity:1}
.stage.stills-mode canvas.seq{display:none}
.stage .stills picture{display:contents}
.stage .still{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--fx,50%) var(--fy,50%);
  transform-origin:var(--fx,50%) var(--fy,50%);visibility:hidden;will-change:transform,opacity;backface-visibility:hidden}
.stage .stills picture:first-child .still{visibility:visible}
/* film mode: the flight's segments (film-player.js adds one <video> each) lie over the opening photo, which is their first
   frame; both are framed on the centre, so the switch from photo to film never shifts the picture. The player sets which
   segment shows. */
.stage .stills video.film{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%;
  visibility:hidden;opacity:0;pointer-events:none;background:transparent;backface-visibility:hidden}
.stage.film-mode .still{object-position:50% 50%;transform-origin:50% 50%}
/* portrait phones get the 9:16 crop (same media query as the <source> the build writes), centred on its own focus */
@media (max-width:759px) and (orientation:portrait){
  .stage .still{object-position:var(--mfx,50%) var(--mfy,50%);transform-origin:var(--mfx,50%) var(--mfy,50%)}
  .stage.film-mode .still{object-position:50% 50%;transform-origin:50% 50%}
}
.stage::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:2;
  background:linear-gradient(90deg,rgba(4,18,12,.74) 0%,rgba(4,18,12,.32) 34%,rgba(4,18,12,0) 58%),linear-gradient(0deg,rgba(4,18,12,.6),rgba(4,18,12,0) 38%),linear-gradient(180deg,rgba(4,18,12,.45),rgba(4,18,12,0) 22%)}
/* photos (stills mode) are bright, clear-day images: a lighter veil, only where the copy and header sit */
.stage.stills-mode::after{background:linear-gradient(90deg,rgba(4,18,12,.66) 0%,rgba(4,18,12,.32) 34%,rgba(4,18,12,0) 56%),linear-gradient(0deg,rgba(4,18,12,.52),rgba(4,18,12,0) 36%),linear-gradient(180deg,rgba(4,18,12,.36),rgba(4,18,12,0) 16%)}
/* over bright photos: a soft shadow under the chapter copy, and dark glass behind the rail and the readout */
.stage.stills-mode .chapter :is(.eyebrow,h1,h2,p){text-shadow:0 1px 16px rgba(4,18,12,.5),0 0 2px rgba(4,18,12,.35)}
.stage.stills-mode .tour-rail{margin-right:-12px;padding:6px 12px 6px 16px;border-radius:var(--r-s);background:rgba(5,22,15,.52);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.stage.stills-mode .tour-rail button:not(.is-on){color:#BFD1C7}
.stage.stills-mode .hud .readout{right:24px;padding:5px 10px;border-radius:3px;background:rgba(5,22,15,.52);color:#BFD1C7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.no-webgl .stage canvas.gl{display:none}
.stage .fallback{position:absolute;inset:0;display:none}
.no-webgl .stage .fallback{display:block}

/* measurement HUD: corner brackets + live readout */
.hud{position:absolute;inset:calc(env(safe-area-inset-top,0px) + 96px) var(--margin) 22px;z-index:3;pointer-events:none}
.hud i{position:absolute;width:22px;height:22px;border-color:rgba(191,234,98,.55);border-style:solid;border-width:0}
.hud i:nth-child(1){left:0;top:0;border-left-width:1.5px;border-top-width:1.5px}
.hud i:nth-child(2){right:0;top:0;border-right-width:1.5px;border-top-width:1.5px}
.hud i:nth-child(3){left:0;bottom:0;border-left-width:1.5px;border-bottom-width:1.5px}
.hud i:nth-child(4){right:0;bottom:0;border-right-width:1.5px;border-bottom-width:1.5px}
.hud .readout{position:absolute;right:30px;top:6px;font:500 11px/1.6 var(--font-mono);letter-spacing:.06em;color:var(--on-night-2);text-align:right}
.hud .readout b{color:var(--signal);font-weight:500}

.dcard,.dlabel{position:absolute;left:0;top:0;pointer-events:none;white-space:nowrap;opacity:0;will-change:transform,opacity;z-index:4}
.dcard{translate:-50% calc(-100% - 14px);min-width:206px;padding:11px 13px 12px;background:rgba(5,22,15,.78);border:1px solid rgba(191,234,98,.5);
  border-radius:var(--r-s);font:400 12px/1.6 var(--font-mono);color:#DDEBE3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.dcard b{color:var(--signal);font-weight:500}
.dcard i{font-style:normal;color:var(--on-night-2)}
.dlabel{translate:-50% calc(-100% - 10px);font:500 11px/1 var(--font-mono);letter-spacing:.06em;color:var(--signal);background:rgba(5,22,15,.72);padding:5px 7px;border-radius:3px}
.seq-mode .dcard{translate:0 0}

.chapters{position:absolute;inset:0;z-index:5;pointer-events:none}
.chapter{position:absolute;left:var(--margin);bottom:clamp(92px,13vh,150px);width:min(720px,calc(100% - 2*var(--margin)));color:var(--on-night);
  opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease-out),transform .7s var(--ease-out)}
.chapter.is-on{opacity:1;visibility:visible;transform:none;transition:opacity .5s var(--ease-out),transform .7s var(--ease-out),visibility 0s;pointer-events:auto}
.chapter .eyebrow{color:var(--signal);margin-bottom:18px}
.chapter h1{font-size:var(--fs-hero);line-height:1.1;letter-spacing:-.04em;font-weight:680}
.chapter h2{font-size:clamp(30px,3.6vw,52px);line-height:1.16;letter-spacing:-.035em;font-weight:660}
.chapter p{margin-top:18px;font-size:var(--fs-lead);line-height:1.62;color:#C9DBD1;max-width:34em}
.chapter .ctas{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}
.chapter .ctas .btn:not(.btn--ghost-light){background:var(--signal);border-color:var(--signal);color:var(--night)}
.chapter .arrow-link{margin-top:22px;color:var(--signal)}
/* one line of example data per chapter, in the copy (not over the footage) */
.chapter p.chip{display:inline-flex;flex-wrap:wrap;gap:4px 10px;align-items:baseline;margin-top:16px;padding:7px 11px;max-width:none;border-radius:3px;
  background:rgba(5,22,15,.55);border:1px solid rgba(191,234,98,.32);font:500 12px/1.45 var(--font-mono);letter-spacing:.02em;color:#D6E4DC;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.chapter p.chip b{color:var(--signal);font-weight:500}
.chapter p.chip b::before{content:"● "}
.tour-rail{position:absolute;z-index:6;right:var(--margin);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:2px;list-style:none;margin:0;padding:0}
.tour-rail button{display:flex;gap:10px;align-items:center;justify-content:flex-end;width:100%;background:none;border:0;cursor:pointer;color:var(--on-night-2);
  font:500 11px/1 var(--font-mono);letter-spacing:.06em;padding:8px 0}
.tour-rail button::after{content:"";width:18px;height:1.5px;background:currentColor;transition:width .35s var(--ease-out)}
.tour-rail button.is-on{color:var(--signal)}
.tour-rail button.is-on::after{width:34px}
.tour-foot{position:absolute;z-index:6;left:var(--margin);right:var(--margin);bottom:24px;display:flex;justify-content:space-between;align-items:center;
  font:500 11px/1 var(--font-mono);letter-spacing:.08em;color:var(--on-night-2)}
.tour-foot a{color:var(--on-night);text-decoration:none;border-bottom:1px solid rgba(234,242,236,.4);padding-bottom:3px}
.cue{display:inline-flex;gap:10px;align-items:center;transition:opacity .4s}
.cue::before{content:"";width:1.5px;height:26px;background:linear-gradient(var(--signal),transparent);animation:cue 1.6s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(.2);transform-origin:bottom}}
.demo-note{position:absolute;z-index:6;left:50%;top:calc(env(safe-area-inset-top,0px) + 92px);transform:translateX(-50%);font:500 11px/1.4 var(--font-mono);
  color:var(--on-night-2);background:rgba(5,22,15,.6);padding:6px 10px;border-radius:3px;white-space:nowrap;transition:opacity .4s}
@media (max-width:760px){
  .tour-rail,.hud .readout{display:none}
  /* AI photos/video: keep only the 「AI 생성 · 예시 이미지/영상」 tag of the readout on phones (shown at all times) */
  .stage.seq-mode .hud .readout{display:block;right:14px;top:6px}
  .stage.seq-mode .hud .readout br,.stage.seq-mode #hudRegion,.stage.seq-mode #hudAlt{display:none}
  .flight.is-seq .demo-note{top:calc(env(safe-area-inset-top,0px) + 128px)}
  .stage::after,.stage.stills-mode::after{background:linear-gradient(0deg,rgba(4,18,12,.92) 0%,rgba(4,18,12,.55) 42%,rgba(4,18,12,0) 70%),linear-gradient(180deg,rgba(4,18,12,.5),rgba(4,18,12,0) 22%)}
  .chapter{bottom:78px}
  .chapter p{font-size:16px}
  .chapter:not([data-ch="0"]) p:not(.chip){display:none}
  .chapter p.chip{font-size:11px;margin-top:12px;padding:6px 9px}
  .dcard{min-width:0;font-size:11px;padding:8px 10px}
  .demo-note{white-space:normal;text-align:center;width:max-content;max-width:calc(100% - 32px)}
}

/* ---------- Statement ---------- */
.statement .wrap{position:relative;text-align:center}
.statement h2{font-size:var(--fs-d);line-height:1.2;letter-spacing:-.035em;max-width:22ch;margin:22px auto 0}

/* ---------- Standards strip: priority-1 entries of content/standards.yml (@standards:strip) → /standards/#id ---------- */
.standards{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.standards .cap{display:flex;justify-content:space-between;gap:6px 16px;align-items:end;padding:30px 0 20px;flex-wrap:wrap}
.standards .cap h2{font-size:var(--fs-h3);letter-spacing:-.015em}
.standards .cap p{font-size:13px;color:var(--ink-3)}
.std-strip{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;padding:22px 0 30px;border-top:1px solid var(--rule)}
.std-strip__list{flex:1 1 560px;display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.std-strip__chip{display:inline-flex;align-items:center;min-height:38px;padding:0 13px;border:1px solid var(--ink-2);border-radius:var(--r-s);background:var(--card);
  font:500 13.5px/1.2 var(--font-mono);letter-spacing:-.01em;color:var(--ink);text-decoration:none;transition:background-color .2s,border-color .2s,color .2s}
.std-strip__chip.is-iso{background:var(--brand);border-color:var(--brand);color:#fff}
.std-strip__chip:hover{border-color:var(--forest);background:var(--mist);color:var(--ink)}
.std-strip__chip.is-iso:hover{background:var(--forest);border-color:var(--forest);color:#fff}
.std-strip__more{flex:none;display:inline-flex;align-items:center;min-height:40px;font-size:15px;font-weight:600;color:var(--brand);text-decoration:none;border-bottom:1.5px solid currentColor}
@media (max-width:760px){.std-strip__chip{min-height:40px;padding:0 11px;font-size:13px}.std-strip__list{flex-basis:100%}}

/* ---------- Solutions (sticky scrollytelling) ---------- */
.solutions .head{padding-bottom:clamp(32px,5vw,64px);border-bottom:1px solid var(--rule);margin-bottom:8px;display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px)}
.solutions .head h2{font-size:var(--fs-d);line-height:1.16;letter-spacing:-.035em;margin-top:16px}
.solutions .head p{font-size:var(--fs-lead);color:var(--ink-2);align-self:end;max-width:36em}
.solutions .grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px);align-items:start}
.sol{min-height:90vh;display:flex;flex-direction:column;justify-content:center;padding-block:48px;border-bottom:1px solid var(--rule)}
.sol:last-child{border-bottom:0}
.sol h3{font-size:var(--fs-h2);line-height:1.24;letter-spacing:-.03em;margin-top:16px}
.sol p{margin-top:18px;color:var(--ink-2);font-size:17px;max-width:32em}
.sol ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.sol li{display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:15px;line-height:1.55}
.sol li::before{content:"";width:9px;height:9px;margin-top:7px;border:1.5px solid var(--sprout);transform:rotate(45deg)}
.sol .ctas{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.sol .mobile-mock{display:none}
.sticky-col{align-self:stretch}
.sticky-card{position:sticky;top:calc(50vh - min(37vh,340px));height:min(74vh,680px);border-radius:var(--r-m);background:var(--night);overflow:hidden;color:var(--on-night)}
.sticky-card .cross{color:var(--signal);width:16px;height:16px}
.sticky-card .photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.0;transition:opacity .8s}
.sticky-card .photo.is-on{opacity:.38}
.mock{position:absolute;inset:clamp(18px,3vw,44px);display:flex;flex-direction:column;justify-content:center;opacity:0;transform:translateY(14px) scale(.985);transition:opacity .55s var(--ease-out),transform .7s var(--ease-out);pointer-events:none}
.mock.is-on{opacity:1;transform:none}
@media (max-width:900px){
  .solutions .grid,.solutions .head{grid-template-columns:minmax(0,1fr)}
  .sticky-col{display:none}
  .sol{min-height:0;padding-block:40px}
  .sol .mobile-mock{display:block;position:relative;margin-top:28px;padding:16px;border-radius:var(--r-m);background:var(--night);color:var(--on-night)}
  .sol .mobile-mock .mock{position:relative;inset:auto;opacity:1;transform:none}
}
/* UI mock parts */
.ui{background:rgba(234,242,236,.06);border:1px solid rgba(234,242,236,.16);border-radius:var(--r-m);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.ui-bar{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid rgba(234,242,236,.12);font:500 11px/1 var(--font-mono);color:var(--on-night-2);letter-spacing:.04em}
.ui-bar i{width:7px;height:7px;border-radius:50%;background:rgba(234,242,236,.25)}
.ui-bar b{margin-left:auto;color:var(--signal);font-weight:500}
.chat{padding:16px;display:grid;gap:10px;font-size:13.5px;line-height:1.55}
.chip{display:inline-flex;gap:6px;align-items:center;font:500 11.5px/1 var(--font-mono);padding:7px 9px;border-radius:3px;border:1px solid rgba(234,242,236,.22);color:#DCE8E1;background:rgba(234,242,236,.05);white-space:nowrap}
.chip.ok{border-color:rgba(191,234,98,.55);color:var(--signal)}
.files{display:flex;gap:6px;flex-wrap:wrap}
.msg{max-width:92%;padding:10px 12px;border-radius:6px;background:rgba(234,242,236,.08)}
.msg.ai{border-left:2px solid var(--signal)}
.msg .opts{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.meter{height:6px;border-radius:3px;background:rgba(234,242,236,.12);overflow:hidden}
.meter span{display:block;height:100%;background:var(--signal)}
.kv{display:flex;justify-content:space-between;gap:12px;font:500 12px/1.4 var(--font-mono);color:var(--on-night-2)}
.kv b{color:var(--on-night);font-weight:500}
.result{display:grid;grid-template-columns:1fr auto;gap:6px 16px;padding:14px 16px;border-top:1px solid rgba(234,242,236,.12);align-items:end}
.result .big{font:500 clamp(24px,2.4vw,34px)/1 var(--font-mono);letter-spacing:-.02em;color:var(--on-night)}
.result .big small{font-size:12px;color:var(--on-night-2);margin-left:6px;letter-spacing:0}
.stages{display:grid;margin-top:14px;font-size:13px}
.stages div{display:grid;grid-template-columns:18px 1fr auto;gap:10px;align-items:center;padding:9px 0;border-top:1px solid rgba(234,242,236,.1)}
.stages .dot{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--on-night-2)}
.stages .done .dot{background:var(--signal);border-color:var(--signal)}
.stages .now .dot{border-color:var(--leaf);box-shadow:0 0 0 4px rgba(111,166,64,.25)}
.stages span:last-child{font:500 11px/1 var(--font-mono);color:var(--on-night-2)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.flow .n{padding:12px;border:1px solid rgba(234,242,236,.18);border-radius:6px;font-size:13px;line-height:1.45;position:relative;background:rgba(234,242,236,.04)}
.flow .n b{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
.flow .n.hl{border-color:rgba(191,234,98,.6)}
.flow .n:not(:last-child)::after{content:"";position:absolute;right:-11px;top:50%;width:10px;height:1.5px;background:var(--leaf)}

/* ---------- How it works ---------- */
.how .head{display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,5vw,80px);align-items:end}
.how h2{font-size:var(--fs-d);line-height:1.16;letter-spacing:-.035em;margin-top:16px}
.how .head p{color:var(--on-night-2);font-size:var(--fs-lead)}
.diagram{margin-top:clamp(40px,6vw,80px);border:1px solid rgba(234,242,236,.16);border-radius:var(--r-m);padding:clamp(16px,3vw,40px)}
.diagram svg{display:block;width:100%;height:auto;overflow:visible}
.diagram .lab{font:500 14px var(--font-sans);fill:var(--on-night)}
.diagram .sub{font:400 11px var(--font-mono);fill:var(--on-night-2)}
.diagram .ttl{font:500 11px var(--font-mono);fill:var(--signal);letter-spacing:.08em}
.diagram .ln{fill:none;stroke:rgba(234,242,236,.3);stroke-width:1.2}
.diagram .box{fill:rgba(234,242,236,.04);stroke:rgba(234,242,236,.26);stroke-width:1}
.diagram .pkt{fill:var(--leaf)}
.diagram-m{display:none}
.std-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
@media (max-width:860px){
  .how .head{grid-template-columns:1fr}
  .diagram svg{display:none}
  .diagram-m{display:grid;gap:10px}
  .diagram-m .grp{border:1px solid rgba(234,242,236,.16);border-radius:6px;padding:14px}
  .diagram-m h4{font:500 11px/1 var(--font-mono);letter-spacing:.08em;color:var(--signal);margin-bottom:10px}
  .diagram-m ul{margin:0;padding-left:18px;font-size:14px;line-height:1.7}
  .diagram-m .arrow{justify-self:center;width:1.5px;height:24px;background:var(--leaf)}
}

/* ---------- Why us: fan of cards ---------- */
.why{overflow:hidden}
.why .head{text-align:center;position:relative}
.why h2{font-size:var(--fs-d);line-height:1.16;letter-spacing:-.035em;margin-top:16px}
.why .head p{margin:16px auto 0;color:var(--ink-2);font-size:var(--fs-lead);max-width:34em}
.fan{position:relative;height:540px;margin-top:56px}
.fcard{position:absolute;left:50%;top:40px;width:296px;height:410px;padding:26px;border-radius:var(--r-m);display:flex;flex-direction:column;
  box-shadow:0 34px 60px -34px rgba(10,42,30,.55);transform-origin:50% 120%}
.fcard .ic{width:52px;height:52px;border:1.5px solid currentColor;border-radius:12px;display:grid;place-items:center;opacity:.9}
.fcard .ic svg{width:24px;height:24px}
.fcard h3{margin-top:auto;font-size:24px;line-height:1.25;letter-spacing:-.025em}
.fcard p{margin-top:12px;font-size:14.5px;line-height:1.6;opacity:.92}
.fcard:nth-child(1){background:var(--forest);color:#F1F7EC;transform:translate(calc(-50% - 390px),28px) rotate(-9deg)}
.fcard:nth-child(2){background:var(--mist);color:var(--night);transform:translate(calc(-50% - 130px),0) rotate(-3deg)}
.fcard:nth-child(3){background:var(--signal);color:var(--night);transform:translate(calc(-50% + 130px),0) rotate(3deg)}
.fcard:nth-child(4){background:var(--night);color:var(--on-night);transform:translate(calc(-50% + 390px),28px) rotate(9deg)}
@media (max-width:1180px){
  .fan{height:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .fcard{position:relative;left:auto;top:auto;width:auto;height:auto;min-height:300px;transform:none!important}
}
@media (max-width:620px){.fan{grid-template-columns:1fr}}

/* ---------- Timeline drum ---------- */
.timeline .grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px);align-items:center}
.timeline h2{font-size:var(--fs-h2);line-height:1.25;letter-spacing:-.03em;margin-top:16px}
.timeline .grid > div:first-child p{margin-top:16px;color:var(--on-night-2)}
.drum{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center}
.drum ol{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.drum li{display:grid;grid-template-columns:minmax(150px,230px) 1fr;gap:20px;align-items:center;padding:12px 0;color:#557566;transition:color .35s;cursor:pointer}
.drum li b{font:500 clamp(24px,2.7vw,42px)/1 var(--font-mono);letter-spacing:-.03em;white-space:nowrap}
.drum li span{font-size:clamp(15px,1.25vw,18px);line-height:1.5}
.drum li.is-on{color:var(--on-night)}
.drum li.is-on b{color:var(--signal)}
.drum .arrows{display:grid;gap:8px}
.drum .arrows button{width:44px;height:44px;border-radius:var(--r-s);border:1px solid rgba(234,242,236,.25);background:rgba(234,242,236,.06);color:var(--on-night);cursor:pointer;font-size:18px}
.drum .note{grid-column:1/-1;font:400 11px/1.5 var(--font-mono);color:var(--on-night-2)}
@media (max-width:860px){.timeline .grid{grid-template-columns:1fr}.drum li{grid-template-columns:118px 1fr}.drum li b{font-size:22px}}

/* ---------- Pilot band ---------- */
.pilot{padding-block:clamp(56px,8vw,110px);background:var(--night)}
.pilot .card{background:var(--forest);color:#F1F7EC;border-radius:var(--r-m);display:grid;grid-template-columns:4fr 8fr;min-height:360px;overflow:hidden}
.pilot .card > div{padding:clamp(24px,3.2vw,44px)}
.pilot .card > div:first-child{border-right:1px dashed rgba(241,247,236,.35);display:flex;flex-direction:column;gap:18px}
.pilot .label{font:500 12px/1 var(--font-mono);letter-spacing:.08em}
.pilot blockquote{margin:0;font-size:clamp(22px,2.3vw,34px);line-height:1.38;letter-spacing:-.02em;font-weight:560}
.pilot .who{display:flex;gap:12px;align-items:center;margin-top:28px;font-size:15px}
.pilot .who i{width:44px;height:44px;border-radius:4px;background:rgba(241,247,236,.2);display:grid;place-items:center;font:500 11px var(--font-mono);font-style:normal}
.pilot .btn{background:var(--signal);border-color:var(--signal);color:var(--night);align-self:flex-start}
@media (max-width:860px){.pilot .card{grid-template-columns:1fr}.pilot .card > div:first-child{border-right:0;border-bottom:1px dashed rgba(241,247,236,.35)}}

/* ---------- Insights teaser ---------- */
.insights .head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.insights h2{font-size:var(--fs-d);letter-spacing:-.035em;line-height:1.1;margin-top:14px}

/* ---------- Closing CTA ---------- */
.cta{text-align:center;overflow:hidden}
.cta .wrap{position:relative;padding-block:clamp(110px,15vw,210px)}
.cta h2{font-size:var(--fs-d);line-height:1.15;letter-spacing:-.035em;max-width:18ch;margin:18px auto 0}
.cta p{margin:18px auto 0;color:var(--on-night-2);max-width:34em}
.cta .ctas{display:flex;gap:10px;justify-content:center;margin-top:32px;flex-wrap:wrap}

/* ---------- copy-review additions (2026-10-11): notes, sources, example badges, drum details, pilot pledge ---------- */
.chapter .ch-note{margin-top:12px;font:400 12px/1.6 var(--font-mono);color:var(--on-night-2);max-width:44em}
.chapter .ch-note a{color:inherit;text-underline-offset:3px}
.sol .proof{margin-top:14px;font:400 12px/1.65 var(--font-mono);color:var(--ink-2);max-width:46em}
.sol .proof a{color:inherit;text-underline-offset:3px}
.ex-badge{position:absolute;right:46px;top:13px;z-index:3;padding:4px 8px;border:1px solid rgba(191,234,98,.55);border-radius:2px;font:500 11px/1.2 var(--font-mono);letter-spacing:.04em;color:var(--signal);background:rgba(10,42,30,.72)}
.sol .mobile-mock::before{content:"예시 화면";position:absolute;right:12px;top:10px;z-index:3;padding:3px 7px;border:1px solid rgba(191,234,98,.55);border-radius:2px;font:500 10px/1.2 var(--font-mono);color:var(--signal)}
.fcard .basis{margin-top:14px;padding-top:12px;border-top:1px solid currentColor;border-top-color:color-mix(in srgb,currentColor 30%,transparent);font:500 11px/1.5 var(--font-mono);letter-spacing:.02em;opacity:.85}
.drum li span{display:block}
.drum li strong{display:block;font-weight:560;font-size:clamp(16px,1.3vw,19px);line-height:1.45}
.drum li small{display:none;margin-top:8px;font-size:14px;line-height:1.65;color:var(--on-night-2)}
.drum li.is-on small{display:block}
.drum .st{display:inline-block;margin:0 0 8px;padding:2px 7px;border:1px solid currentColor;border-radius:2px;font:500 11px/1.4 var(--font-mono);font-style:normal;letter-spacing:.02em}
.drum li.is-on .st{color:var(--signal)}
.drum .src{display:inline-block;margin-top:6px;color:var(--signal);font:500 12px/1.5 var(--font-mono);text-underline-offset:3px}
.pilot .pledge{font-size:clamp(26px,2.8vw,40px);line-height:1.25;letter-spacing:-.03em;font-weight:620}
.pilot .pledge-body{margin-top:16px;font-size:clamp(16px,1.2vw,18px);line-height:1.7;max-width:36em;opacity:.92}

/* English edition (2026-10-26): label in English; the 4-step flow in the product mock shrinks (English words don't break like
   Korean) and becomes 2 × 2 on phones */
html[lang="en"] .sol .mobile-mock::before{content:"Illustrative screen"}
html[lang="en"] .chat{grid-template-columns:minmax(0,1fr)}
html[lang="en"] .flow{grid-template-columns:repeat(4,minmax(0,1fr))}
html[lang="en"] .flow .n{min-width:0;overflow-wrap:break-word}
@media (max-width:560px){html[lang="en"] .flow{grid-template-columns:repeat(2,minmax(0,1fr))}html[lang="en"] .flow .n:nth-child(2n)::after{display:none}}