/* 모드 1·2 섹션 전용 — variant-line.css 뒤에 얹는다 (build-line.mjs가 링크를 넣는다).
   variant-line.css는 여러 작업이 함께 고치는 파일이라 이 구간 규칙을 따로 둔다. */

/* 3) IntoLine 머리 — 이름은 왼쪽, 세 방식은 오른쪽에 계단식 색인(한 줄짜리 행) */
.il-intro{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
.mode-seq .il-intro .intoline-product-heading{margin-bottom:0}
.il-index{--stair:52px;min-width:0;display:flex;flex-direction:column;font-family:"Pretendard",var(--sans)}
.il-cap{padding:12px 0 13px;font-size:13px;font-weight:500;color:var(--ink-3)}
.il-index a{position:relative;display:grid;grid-template-columns:34px minmax(0,auto) minmax(0,1fr) 20px;align-items:baseline;column-gap:14px;margin-left:calc(var(--step,0)*var(--stair));padding:17px 0 18px;border-top:1px solid var(--rule-2);color:var(--ink);text-decoration:none}
.il-index a:last-child{border-bottom:1px solid var(--rule-2)}
.il-index a::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.il-index a:hover::before,.il-index a:focus-visible::before{transform:scaleX(1)}
.il-index a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.il-no{font:600 13px/1 "Pretendard",var(--sans);font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--accent)}
.il-index strong{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:650;letter-spacing:-.035em;line-height:1.35;white-space:nowrap;transition:color .18s}
.il-index a:hover strong{color:var(--accent-ink)}
.il-d{font-size:14px;line-height:1.5;color:var(--ink-2);text-align:right;word-break:keep-all}
.il-badge{padding:2px 8px;border:1px solid var(--rule-2);border-radius:999px;font-size:11px;font-weight:500;font-style:normal;line-height:1.4;letter-spacing:0;color:var(--ink-2);white-space:nowrap}
.il-arrow{width:18px;height:18px;align-self:center;color:var(--ink-3);transition:transform .25s,color .18s}
.il-index a:hover .il-arrow{transform:translateY(3px);color:var(--accent)}
.mode-seq .mode-panels{margin-top:64px}
@media(max-width:960px){
  .il-intro{grid-template-columns:minmax(0,1fr);gap:28px}
  .il-cap{padding-top:0}
  .il-index{--stair:14px}
  .il-index a{grid-template-columns:30px minmax(0,1fr) 18px;column-gap:10px}
  .il-index strong{white-space:normal;flex-wrap:wrap;font-size:18px}
  .il-d{grid-column:2;text-align:left;margin-top:4px}
  .il-arrow{grid-row:1;grid-column:3}
}
@media(prefers-reduced-motion:reduce){.il-index a::before,.il-index strong,.il-arrow{transition:none}}

/* 세 방식 공통 — 색인 아래 한 줄 (모드마다 되풀이하지 않는다) */
.il-common{list-style:none;margin:44px 0 0;padding:16px 0 0;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:8px 28px;font:400 13px "Pretendard",var(--sans);color:var(--ink-2)}
.il-common li{position:relative}
.il-common li+li+li::before{content:"";position:absolute;left:-15px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--ink-3)}
.il-common b{font-weight:600;color:var(--ink)}
/* 장 머리 오른쪽 — 이 방식이 무엇을 기준으로 삼는가 */
.mode-chapter-of{display:flex;align-items:baseline;gap:18px}
.mode-chapter-basis{font:500 13px "Pretendard",var(--sans);letter-spacing:-.01em;color:var(--ink)}
.mode-chapter-basis b{margin-right:8px;font:500 11px var(--mono);letter-spacing:.12em;color:var(--accent)}
@media(max-width:720px){.mode-chapter-of{flex-direction:column;align-items:flex-end;gap:4px}.il-common{margin-top:30px;gap:6px 22px}}

/* 4) 모드 1 — 같은 크기의 두 쪽(원고 → 새 문서), 주석은 왼쪽 글 아래 */
.mode-one-grid{grid-template-columns:minmax(0,.82fr) minmax(0,2.18fr);gap:56px;align-items:center}
.mode-one-shot{display:grid;grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr);gap:20px;align-items:start}
.mode-one-shot .arr{align-self:center;font-size:24px}
.mode-one-src{min-width:0;padding-right:14px}
.mode-one-src .cap{font-size:11px;gap:6px;margin-top:9px}
.mode-one-id{min-width:0}
.mode-one-pages{position:relative;margin:0}
.mode-one-pages .page{position:relative;z-index:1}
.mode-one-pages img{display:block;width:100%}
.mode-one-grid .mode-one-shot .page,.mode-one-grid .mode-one-shot .page img{max-height:none}
.mode-one-id .cap{font-size:12px;margin-top:11px}
.mode-one-notes{margin-top:26px;padding:18px 0 0;background:none;flex-direction:column;gap:9px;font-size:13px}
.crop-notes .n-form i{background:var(--ink-3)}
.crop-notes .n-page i{background:var(--accent)}
@media(max-width:960px){
  .mode-one-grid{grid-template-columns:1fr;gap:26px}
}
@media(max-width:720px){
  .mode-one-shot{grid-template-columns:1fr;gap:12px;justify-items:stretch}
  .mode-one-shot .arr{transform:rotate(90deg);justify-self:center}
  .mode-one-src{max-width:210px;margin:0 auto;padding-right:0}
}

/* 5) 모드 2 — 원고 → 연결 → 결과, 한 줄. 아래에 핵심 문장·범례·주석 */
.m2-pipe{display:grid;grid-template-columns:minmax(0,.62fr) 28px minmax(0,1.28fr) 28px minmax(0,1.3fr);gap:18px;align-items:center;margin-top:8px}
.m2-pipe .arr{font-size:24px;text-align:center;color:var(--ink-3)}
.m2-pipe figure{margin:0;min-width:0}
.m2-pipe .page,.m2-pipe .page img{max-height:none}
.m2-pipe .cap{font-size:11px;gap:6px;margin-top:10px}
.m2-modal img{display:block;width:100%}
.m2-out{min-width:0}
.m2-pages .page{overflow:visible}
.m2-pin{position:absolute;z-index:2;width:20px;height:20px;margin:-10px 0 0 -10px;border-radius:50%;background:var(--ink);color:#fff;font:600 11px/20px var(--mono);font-style:normal;text-align:center;box-shadow:0 0 0 3px #fff}
.m2-foot{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) minmax(0,.95fr);gap:48px;margin-top:48px;padding-top:30px;border-top:1px solid var(--rule)}
.m2-foot h3{font-size:22px;line-height:1.45;letter-spacing:-.04em}
.m2-foot p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.m2-legend{list-style:none;margin:0;padding:0;display:grid;gap:10px;align-content:start;font-size:13px}
.m2-legend li{display:grid;grid-template-columns:20px minmax(0,auto) 1fr;align-items:center;gap:10px;color:var(--ink-2)}
.m2-legend i{width:20px;height:20px;border-radius:50%;background:var(--ink);color:#fff;font:600 11px/20px var(--mono);font-style:normal;text-align:center}
.m2-legend span::after{content:"→";margin-left:10px;color:var(--ink-3)}
.m2-legend b{font-weight:600;color:var(--ink)}
.m2-notes .short-note{margin:0;padding:0;border:0}
.m2-notes .short-note+.short-note{margin-top:16px}
@media(max-width:960px){
  .m2-pipe{grid-template-columns:1fr;gap:14px}
  .m2-pipe .arr{transform:rotate(90deg)}
  .m2-src{max-width:210px;margin:0 auto}
  .m2-foot{grid-template-columns:1fr;gap:26px;margin-top:32px}
}

/* 6) 모드 3 — 원고 → 내지의 자리(역할 라벨) → 결과 */
.m3-pipe{display:grid;grid-template-columns:minmax(0,.7fr) 28px minmax(0,1fr) 28px minmax(0,1fr);gap:18px;align-items:center;margin-top:8px}
.m3-pipe .arr{font-size:24px;text-align:center;color:var(--ink-3)}
.m3-pipe figure{margin:0;min-width:0}
.m3-pipe .page{position:relative;overflow:hidden}
.m3-pipe .page,.m3-pipe .page img{max-height:none}
.m3-pipe .page img{display:block;width:100%;height:auto}
.m3-pipe .cap{font-size:11px;gap:6px;margin-top:10px}
.m3-tpl .page img{filter:saturate(.55) opacity(.5)}
.m3-slot{position:absolute;box-sizing:border-box;min-height:9px;border:1.5px solid var(--ink);background:rgba(255,255,255,.72);border-radius:2px;font-style:normal}
.m3-slot b{position:absolute;top:50%;transform:translateY(-50%);padding:2px 7px;border-radius:999px;background:var(--ink);color:#fff;font:600 10.5px/1.5 var(--sans,inherit);white-space:nowrap}
.m3-slot.m3-r b{left:calc(100% + 8px)}
.m3-slot.m3-l b{right:calc(100% + 8px)}
@media(max-width:960px){
  .m3-pipe{grid-template-columns:1fr;gap:14px}
  .m3-pipe .arr{transform:rotate(90deg)}
}

/* 7) 이용 요금 — 데모를 첫 단계로, 요금은 제품별 한 줄 (가격이 표제가 아니라 정보로 읽히게) */
.pricing-steps{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);gap:56px}
.pricing-lead h2{margin-bottom:0}
.pricing-lead>p{margin-top:12px;font-size:16px;color:var(--ink-2)}
.pricing-step{display:block;margin-bottom:6px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--ink-3)}
.pricing-demo{margin-top:32px;padding:22px 24px;background:var(--paper);border:1px solid var(--rule);border-radius:10px}
.pricing-demo h3{font-size:17px;font-weight:600;letter-spacing:-.02em}
.pricing-demo p{margin:6px 0 18px;font-size:14px;color:var(--ink-2)}
.pricing-demo-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
.pricing-demo-actions a:not(.btn){font-size:13px;color:var(--ink-2);text-underline-offset:4px}
.pricing-demo-actions a:not(.btn):hover{text-decoration:underline}
.pricing-plans{margin:10px 0 0;padding:0;list-style:none;border-top:1px solid var(--rule-2)}
.pricing-plans li{display:grid;gap:8px;padding:22px 0;border-bottom:1px solid var(--rule)}
.pricing-plans h3{font-size:18px;font-weight:600;letter-spacing:-.02em}
.pricing-plans h3 span{margin-left:10px;font-size:14px;font-weight:400;letter-spacing:0;color:var(--ink-2)}
.pricing-terms{display:flex;flex-wrap:wrap;gap:4px 22px;margin:0;font-size:15px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.pricing-terms>div{display:flex;gap:6px}
.pricing-terms dt{font-weight:400}
.pricing-terms dd{margin:0;font-weight:500;color:var(--ink)}
.pricing-notes{display:grid;gap:2px;margin-top:16px;font-size:12px;line-height:1.7;color:var(--ink-2);text-align:right}
@media(max-width:820px){.pricing-notes{text-align:left}}
@media(max-width:820px){.pricing-steps{grid-template-columns:1fr;gap:36px}}
@media(max-width:480px){.pricing-plans h3 span{display:block;margin:2px 0 0}.pricing-demo-actions>.btn{width:100%;justify-content:center}}

/* Match the IntoLine introduction: product identity left, purpose right. */
.ml .math-intro{display:flex;justify-content:space-between;align-items:center;gap:32px;margin-bottom:36px}
.ml .math-intro .math-product-heading{margin:0;font-family:"Pretendard",var(--sans)}
.ml .math-intro .math-product-heading h2{display:flex;align-items:center;gap:16px;font-size:clamp(40px,4.2vw,54px);line-height:1.12;letter-spacing:-.045em;margin:0}
.ml .math-intro .math-product-heading p{margin-top:14px;font-size:16px;line-height:1.65;color:var(--ink-2)}
.math-intro-copy h3{font-size:clamp(24px,2.5vw,32px);line-height:1.45;letter-spacing:-.035em;margin:0}
.math-intro-copy p{margin:16px 0 22px;font-size:16px;line-height:1.8;color:var(--ink-2)}
@media(max-width:960px){.ml .math-intro{gap:24px;margin-bottom:32px}.ml .math-intro .math-product-heading h2{font-size:40px}}

.math-heading-mark{display:flex;flex:none;width:48px;color:var(--ink)}
.math-heading-mark svg{display:block;width:100%;height:auto}
@media(max-width:960px){.math-heading-mark{width:36px}}

.ml .math-intro>.btn{flex-shrink:0}
@media(max-width:640px){.ml .math-intro{flex-direction:column;align-items:flex-start;gap:20px}}

.ml .math-intro .math-product-heading .math-product-promise{margin-top:18px;font-size:clamp(20px,2vw,26px);font-weight:600;line-height:1.45;letter-spacing:-.025em;color:var(--ink)}
.ml .math-intro .math-product-heading .math-product-detail{margin-top:10px;font-size:15px;line-height:1.7;color:var(--ink-2)}
/* 히어로 원고·결과 라벨도 본문 캡션의 태그 칩(.cap .tag)과 같은 모양으로 */
.page-caption .eyebrow,.destination-label .eyebrow{display:inline-block;margin:0;font-size:11px;font-weight:600;letter-spacing:.06em;padding:2px 8px;border-radius:4px;background:var(--ground-2);color:var(--ink-2)}