/* ============================================================
   SolutionTri — 디자인 시스템 v2
   참조 톤: MakinaRocks / Augury (절제된 무채색, 넓은 여백,
   큰 에디토리얼 타이포, 단일 딥블루 액센트 최소 사용,
   이모지 없음 · 라인 SVG 아이콘 · 미세한 스크롤 등장)
   ============================================================ */

:root {
  /* 잉크 (near-black, 따뜻한 회색 계열) */
  --ink:        #0b0e15;
  --ink-2:      #1c2230;
  --ink-soft:   #5a6172;
  --ink-faint:  #98a0ae;

  /* 배경 / 라인 */
  --bg:         #ffffff;
  --bg-soft:    #f6f7f9;
  --bg-soft-2:  #f0f2f5;
  --line:       #e9ebf0;
  --line-2:     #dfe2e9;

  /* 다크 섹션 */
  --dark:       #0a0c12;
  --dark-2:     #11141d;
  --on-dark:    #e7eaf1;
  --on-dark-dim:#8b93a6;

  /* 액센트 (절제된 딥 일렉트릭 블루) */
  --accent:      #2348ff;
  --accent-deep: #1735d6;
  --accent-soft: #eef1ff;
  --accent-line: #d8def9;

  --good: #0e9f6e;
  --warn: #b45309;

  --r-sm: 8px;
  --r:    12px;
  --r-lg: 18px;
  --pill: 999px;
  --maxw: 1200px;

  --font: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI",
          "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: 132px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 96px 0; }
.center { text-align: center; }

/* 스크롤 등장 */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-d="1"] { transition-delay: .08s; }
[data-reveal][data-d="2"] { transition-delay: .16s; }
[data-reveal][data-d="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }

/* ---------- 타이포 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 18px; height: 1.5px; background: var(--accent); display: inline-block; }
.eyebrow--amber::before { background: var(--warn); }

.h1 { font-size: clamp(38px, 5.6vw, 70px); font-weight: 800; letter-spacing: -.04em; line-height: 1.04; }
.h2 { font-size: clamp(28px, 3.8vw, 46px); font-weight: 800; letter-spacing: -.035em; line-height: 1.12; }
.h3 { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.lead { font-size: clamp(16.5px, 1.5vw, 19px); color: var(--ink-soft); margin-top: 22px; max-width: 640px; line-height: 1.7; }
.center .lead { margin-left: auto; margin-right: auto; }
.section-head { margin-bottom: 72px; }
.accent { color: var(--accent); }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 15px; letter-spacing: -.01em;
  padding: 14px 26px; border-radius: var(--pill);
  cursor: pointer; border: 1px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--accent); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--outline:hover { border-color: var(--ink); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--accent); color: #fff; }
.btn--ghost { background: transparent; color: var(--on-dark); border-color: rgba(255,255,255,.24); }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 19px; letter-spacing: -.03em; }
.brand .mark { height: 28px; width: auto; display: inline-flex; align-items: center; }
.brand .mark img { height: 28px; width: auto; display: block; }
.brand .mark svg { height: 28px; width: auto; display: block; }
/* 마크 옆 워드마크 — 마크 높이에 맞춘 균형 */
.brand .wordmark { font-weight: 800; font-size: 19px; letter-spacing: -.035em; line-height: 1; color: var(--ink); }
.brand .wordmark .tri { color: #DD1515; }
/* 푸터(다크 배경)용 워드마크 — 흰색, Tri는 밝은 레드 */
.brand--footer .wordmark { color: #fff; }
.brand--footer .wordmark .tri { color: #FF4747; }
.brand--footer { margin-bottom: 16px; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--ink-soft); transition: color .15s ease; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; color: var(--ink); width: 26px; height: 26px; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-cta .btn--primary { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column;
    gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 6px 28px 18px;
  }
  .nav-links.open a { padding: 14px 0; border-bottom: 1px solid var(--line); width: 100%; }
}

/* ---------- 히어로 ---------- */
.hero { position: relative; background: var(--dark); color: var(--on-dark); overflow: hidden; padding: 124px 0 116px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(820px 460px at 78% -8%, rgba(35,72,255,.30), transparent 62%),
    radial-gradient(620px 420px at 6% 116%, rgba(35,72,255,.14), transparent 58%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000, transparent 78%);
          mask-image: radial-gradient(circle at 50% 30%, #000, transparent 78%);
}
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.hero .eyebrow { color: var(--on-dark-dim); }
.hero .eyebrow::before { background: #5e7bff; }
.hero h1 { color: #fff; }
.hero h1 .hl { color: #93a8ff; }
.hero .sub { margin-top: 26px; font-size: clamp(16px, 1.55vw, 19px); color: #aab3c7; max-width: 500px; line-height: 1.7; }
.hero-cta { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-points { margin-top: 52px; display: flex; gap: 0; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.1); }
.hero-points .p { padding: 22px 28px 0 0; margin-right: 28px; }
.hero-points .p .t { font-size: 16px; font-weight: 700; color: #fff; }
.hero-points .p .d { font-size: 13px; color: #818aa0; margin-top: 5px; line-height: 1.5; max-width: 150px; }

/* ---------- 목업 프레임 ---------- */
.mock { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: 0 30px 70px -30px rgba(8,12,30,.45); }
/* 실제 솔루션 캡처 이미지 (브라우저 프레임 안에 표시) */
.mock-shot { display: block; width: 100%; height: auto; }
.mock--dark { background: var(--dark-2); border-color: rgba(255,255,255,.09); }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.mock--dark .mock-bar { background: #0c0f18; border-color: rgba(255,255,255,.07); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #d3d7e0; }
.mock--dark .dot { background: #2c3242; }
.mock-url { margin-left: 8px; font-size: 11.5px; color: var(--ink-faint); background: #fff; border: 1px solid var(--line); padding: 4px 12px; border-radius: 6px; flex: 1; }
.mock--dark .mock-url { background: #161a25; color: #7b8398; border-color: rgba(255,255,255,.08); }
.mock-body { padding: 18px; }
.mock-tag { position: absolute; top: 13px; right: 13px; z-index: 3; font-size: 10.5px; font-weight: 600; letter-spacing: .04em; color: var(--ink-faint); background: rgba(255,255,255,.92); border: 1px solid var(--line); padding: 4px 10px; border-radius: var(--pill); }
.mock-caption { display: block; margin-top: 16px; font-size: 12.5px; color: var(--ink-faint); line-height: 1.6; }

/* 솔루션 탭 · FormulaFlow 캡처: 브라우저 크롬 제거, 크고 깔끔하게 */
.feat-stage .mock, .ff-mocks .mock {
  border-radius: var(--r-lg);
  box-shadow: 0 1px 2px rgba(8,12,30,.04), 0 40px 80px -32px rgba(8,12,30,.32);
}
.feat-stage .mock .mock-bar, .feat-stage .mock .mock-tag,
.ff-mocks .mock .mock-bar, .ff-mocks .mock .mock-tag { display: none; }
.feat-stage .mock-caption, .ff-mocks .mock-caption { text-align: center; font-size: 14px; margin-top: 18px; }

/* ===== 자가성장 엔진 섹션 (지식 관리 핵심) ===== */
.sie { background: var(--dark); color: var(--on-dark); position: relative; overflow: hidden; }
.sie::before { content: ""; position: absolute; inset: 0; background: radial-gradient(760px 440px at 50% -8%, rgba(35,72,255,.20), transparent 60%), radial-gradient(560px 380px at 88% 108%, rgba(0,180,147,.08), transparent 55%); }
.sie::after { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 60px 60px; -webkit-mask-image: radial-gradient(circle at 50% 30%, #000, transparent 72%); mask-image: radial-gradient(circle at 50% 30%, #000, transparent 72%); }
.sie .wrap { position: relative; z-index: 1; }
.sie .eyebrow { color: #46d4ba; } .sie .eyebrow::before { background: #00b493; }
.sie .h2 { color: #fff; } .sie .lead { color: #aab3c7; }

/* 3단계 순환 */
.sie-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 16px; align-items: stretch; max-width: 1000px; margin: 0 auto 56px; }
.sie-step { background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-lg); padding: 28px 26px; }
.sie-no { font-size: 26px; font-weight: 800; letter-spacing: -.03em; color: #6f8aff; line-height: 1; margin-bottom: 16px; font-variant-numeric: tabular-nums; }
.sie-step h3 { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: -.02em; }
.sie-step p { font-size: 14.5px; color: #aab3c7; margin-top: 10px; line-height: 1.6; }
.sie-link { display: flex; align-items: center; color: #5e7bff; }
.sie-link svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 지표 + 화면 */
.sie-show { max-width: 1000px; margin: 0 auto; }
.sie-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.sie-kpi { background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); padding: 20px; text-align: center; }
.sie-kpi .n { font-size: 30px; font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1; font-variant-numeric: tabular-nums; }
.sie-kpi .n .u { font-size: 15px; color: #93a8ff; font-weight: 700; }
.sie-kpi .l { font-size: 12.5px; color: #8b93a6; margin-top: 10px; line-height: 1.4; }
.sie-show .mock { border-radius: var(--r-lg); box-shadow: 0 40px 90px -36px rgba(0,0,0,.6); }
.sie-show .mock .mock-bar, .sie-show .mock .mock-tag { display: none; }
.sie-show .mock-caption { display: block; text-align: center; font-size: 14px; color: #8b93a6; margin-top: 18px; }

@media (max-width: 920px) {
  .sie-flow { grid-template-columns: 1fr; gap: 12px; }
  .sie-link { justify-content: center; }
  .sie-link svg { transform: rotate(90deg); }
  .sie-stats { grid-template-columns: 1fr 1fr; }
}

/* ===== 공장 진단실 (선제 자동 진단) ===== */
.diag { background: var(--bg-soft); }
.diag-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.diag-copy .h2 { margin-top: 18px; }
.diag-list { list-style: none; margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.diag-list li { display: flex; gap: 14px; align-items: flex-start; }
.diag-chk { width: 24px; height: 24px; border-radius: 50%; flex: none; display: grid; place-items: center; background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent-line); margin-top: 1px; }
.diag-chk svg { width: 13px; height: 13px; stroke: var(--accent); fill: none; stroke-width: 3; }
.diag-list b { display: block; font-size: 16px; font-weight: 700; letter-spacing: -.02em; }
.diag-list span { display: block; font-size: 14px; color: var(--ink-soft); margin-top: 3px; line-height: 1.5; }
.diag-show .mock { border-radius: var(--r-lg); box-shadow: 0 1px 2px rgba(8,12,30,.04), 0 40px 80px -32px rgba(8,12,30,.32); }
.diag-show .mock .mock-bar, .diag-show .mock .mock-tag { display: none; }

/* ===== FormulaFlow 워크플로우 갤러리 ===== */
.ff-pipe-head { text-align: center; max-width: 720px; margin: 64px auto 36px; }
.ff-pipe-title { font-size: clamp(20px, 2.4vw, 27px); font-weight: 800; letter-spacing: -.03em; line-height: 1.3; margin-top: 14px; }
.ff-pipe-sub { font-size: 15px; color: var(--ink-soft); margin-top: 14px; line-height: 1.65; }
.ff-pipe { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 28px; max-width: 1040px; margin: 0 auto; }
.ff-pipe-item { margin: 0; }
.ff-pipe-no { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: -.01em; color: var(--warn); margin-bottom: 12px; }
.ff-pipe-item .mock { border-radius: var(--r-lg); box-shadow: 0 1px 2px rgba(8,12,30,.04), 0 30px 60px -30px rgba(8,12,30,.28); }
.ff-pipe-item .mock .mock-bar, .ff-pipe-item .mock .mock-tag { display: none; }
.ff-pipe-item figcaption { font-size: 14px; color: var(--ink-soft); margin-top: 14px; line-height: 1.55; }

@media (max-width: 920px) {
  .diag-grid { grid-template-columns: 1fr; gap: 32px; }
  .ff-pipe { grid-template-columns: 1fr; gap: 28px; }
}

/* 라인 아이콘 공통 */
.i { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.i-sm { width: 15px; height: 15px; stroke-width: 1.7; }

/* 히어로 대시보드 목업 */
.dash { display: grid; grid-template-columns: 132px 1fr; min-height: 320px; }
.dash-side { background: #0c0f18; padding: 16px 12px; }
.dash-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: #fff; font-size: 13px; margin-bottom: 18px; letter-spacing: -.02em; }
.dash-logo .b { width: 18px; height: 18px; border-radius: 5px; background: linear-gradient(135deg, var(--accent), #6f8aff); }
.dash-nav { display: flex; flex-direction: column; gap: 2px; }
.dash-nav span { display: flex; align-items: center; gap: 9px; font-size: 12px; padding: 8px 10px; border-radius: 7px; color: #8b93a6; }
.dash-nav span svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.dash-nav span.on { background: rgba(35,72,255,.2); color: #cdd6ff; }
.dash-main { background: #fff; padding: 16px; }
.dash-kpis { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 14px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.kpi .l { font-size: 10.5px; color: var(--ink-faint); }
.kpi .n { font-size: 20px; font-weight: 800; margin-top: 3px; letter-spacing: -.02em; }
.kpi .d { font-size: 10.5px; font-weight: 600; margin-top: 2px; }
.kpi .d.up { color: var(--good); } .kpi .d.down { color: #e02424; }
.dash-chart { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.dash-chart .t { font-size: 11.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.area-chart { width: 100%; height: 88px; }

/* ---------- 섹션 인덱스(번호) ---------- */
.idx { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .04em; }

/* ---------- 카드 (박스 최소화, 여백 중심) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 56px 48px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 44px 36px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.feature {
  padding-top: 28px; border-top: 1px solid var(--line-2);
}
/* 안 C — 모노그램 박스: 아이콘 대신 자동 번호 (CSS 카운터) */
.grid-3, .grid-4 { counter-reset: feat; }
.feature .ic {
  width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center;
  color: var(--accent); background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent-line);
  margin-bottom: 22px; font-size: 17px; font-weight: 800; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.feature .ic svg { display: none; }          /* 기존 아이콘 SVG 숨김 */
.feature .ic::before { counter-increment: feat; content: counter(feat, decimal-leading-zero); }
.feature h3 { font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.feature p { color: var(--ink-soft); margin-top: 11px; font-size: 15.5px; line-height: 1.65; }

/* 번호형 가치 (에디토리얼) — 안 D: 번호 + 세로 레일 */
.value-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 64px; }
.vrow { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 30px 0; border-top: 1px solid var(--line-2); align-items: stretch; }
.vrow .vnum {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 16px; font-weight: 800; color: var(--accent); padding-top: 2px;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.vrow .vnum::after {
  content: ""; width: 2px; flex: 1; min-height: 26px;
  background: linear-gradient(180deg, var(--accent-line), transparent); border-radius: 2px;
}
.vrow h3 { font-size: 19px; font-weight: 700; letter-spacing: -.02em; }
.vrow p { color: var(--ink-soft); margin-top: 9px; font-size: 15.5px; line-height: 1.65; }

/* ---------- 솔루션 라인업 ---------- */
.lineup { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.lu-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 40px; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.lu-card:hover { transform: translateY(-4px); border-color: var(--accent-line); box-shadow: 0 24px 50px -28px rgba(8,12,30,.3); }
.lu-card--accent:hover { border-color: #f0d8a8; }
.lu-top { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.lu-badge { font-size: 11.5px; font-weight: 600; letter-spacing: .04em; padding: 6px 12px; border-radius: var(--pill); }
.lu-badge--blue { color: var(--accent); background: var(--accent-soft); }
.lu-badge--amber { color: var(--warn); background: rgba(180,83,9,.1); }
.lu-name { font-size: 27px; font-weight: 800; letter-spacing: -.03em; }
.lu-desc { color: var(--ink-soft); font-size: 15.5px; line-height: 1.65; }
.lu-list { list-style: none; margin: 22px 0; display: flex; flex-direction: column; gap: 12px; }
.lu-list li { font-size: 14.5px; padding-left: 26px; position: relative; color: var(--ink-2); }
.lu-list li svg { position: absolute; left: 0; top: 3px; width: 16px; height: 16px; stroke: var(--good); fill: none; stroke-width: 2; }
.lu-card--accent .lu-list li svg { stroke: var(--warn); }
.lu-link { margin-top: auto; display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: 14.5px; color: var(--accent); }
.lu-card--accent .lu-link { color: var(--warn); }
.lu-link svg { width: 15px; height: 15px; transition: transform .18s ease; }
.lu-card:hover .lu-link svg { transform: translateX(3px); }

/* ---------- 기능 탭 (탭 위 / 캡처 아래 1단, 캡처 크게) ---------- */
.feat { display: block; }
.feat-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 36px; border: 0; }
.feat-item { text-align: center; background: #fff; border: 1px solid var(--line-2); border-radius: var(--pill); padding: 11px 20px; cursor: pointer; width: auto; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.feat-item:last-child { border-bottom: 1px solid var(--line-2); }
.feat-item .ti { display: flex; align-items: center; gap: 9px; color: var(--ink-faint); }
.feat-item .ti svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.feat-item .ti b { font-size: 14.5px; font-weight: 600; color: var(--ink-soft); letter-spacing: -.02em; }
.feat-item p { display: none; }                 /* 설명문은 탭에서 숨김(캡션으로 대체) */
.feat-item.on { background: var(--ink); border-color: var(--ink); }
.feat-item.on .ti, .feat-item.on .ti b { color: #fff; }
.feat-item.on .ti svg { color: #fff; }
.feat-stage { position: relative; max-width: 1000px; margin: 0 auto; }
.pane { display: none; }
.pane.on { display: block; animation: fade .4s cubic-bezier(.16,1,.3,1); }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* 채팅 목업 */
.chat { display: flex; flex-direction: column; gap: 13px; }
.chat .msg { display: flex; gap: 11px; max-width: 86%; }
.chat .msg.me { align-self: flex-end; flex-direction: row-reverse; }
.chat .av { width: 30px; height: 30px; border-radius: 8px; flex: none; display: grid; place-items: center; }
.chat .av svg { width: 16px; height: 16px; stroke-width: 1.7; fill: none; }
.chat .av.ai { background: var(--ink); color: #fff; }
.chat .av.u { background: var(--bg-soft-2); color: var(--ink-soft); }
.chat .bub { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 12px 15px; font-size: 14.5px; line-height: 1.6; }
.chat .msg.me .bub { background: var(--accent); color: #fff; border-color: var(--accent); }
.chat .bub .ref { margin-top: 9px; font-size: 12px; color: var(--ink-soft); border-top: 1px dashed var(--line-2); padding-top: 8px; }
.chat .bub .ref b { color: var(--accent); }
.chat .typer { display: inline-flex; gap: 4px; padding: 3px 0; }
.chat .typer i { width: 6px; height: 6px; border-radius: 50%; background: #c0cadb; animation: blink 1.2s infinite; }
.chat .typer i:nth-child(2) { animation-delay: .2s; } .chat .typer i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,60%,100% { opacity: .3; } 30% { opacity: 1; } }

/* BI 목업 */
.bi { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.bi .w { border: 1px solid var(--line); border-radius: 11px; padding: 14px; }
.bi .w .t { font-size: 11.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 8px; }
.bi .w.big { grid-column: 1/3; }
.donut { width: 86px; height: 86px; margin: 4px auto; }
.bi .num { text-align: center; font-size: 12px; color: var(--ink-soft); }

/* SOP 목업 */
.sop .head { font-size: 15.5px; font-weight: 700; margin-bottom: 4px; }
.sop .meta { font-size: 11.5px; color: var(--ink-faint); margin-bottom: 16px; }
.sop .step { border-left: 2px solid var(--line-2); padding: 3px 0 3px 16px; margin-bottom: 14px; }
.sop .step.cur { border-color: var(--accent); }
.sop .step .s { font-size: 14px; font-weight: 600; }
.sop .step .d { font-size: 13px; color: var(--ink-soft); margin-top: 3px; }
.sop .tip { margin-top: 11px; background: var(--bg-soft); border: 1px solid var(--line); border-left: 2px solid var(--warn); border-radius: 0 10px 10px 0; padding: 12px 14px; }
.sop .tip .h { font-size: 12px; font-weight: 700; color: var(--warn); display: flex; align-items: center; gap: 7px; }
.sop .tip .h svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.sop .tip .b { font-size: 13.5px; color: var(--ink-2); margin-top: 6px; line-height: 1.55; }
.sop .tip .who { font-size: 11.5px; color: var(--ink-faint); margin-top: 8px; }

/* 리포트 목업 */
.rep { display: flex; flex-direction: column; gap: 10px; }
.rep .docrow { display: flex; align-items: center; gap: 13px; border: 1px solid var(--line); border-radius: 11px; padding: 14px 15px; }
.rep .ficon { width: 34px; height: 42px; border-radius: 5px; flex: none; display: grid; place-items: center; font-size: 9.5px; font-weight: 700; color: #fff; letter-spacing: .03em; }
.rep .ficon.xls { background: #157347; } .rep .ficon.doc { background: #295599; } .rep .ficon.pdf { background: #b4291f; }
.rep .docrow .info b { font-size: 13.5px; font-weight: 600; } .rep .docrow .info span { font-size: 11.5px; color: var(--ink-faint); display: block; margin-top: 2px; }
.rep .docrow .tag { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; color: var(--good); }
.rep .docrow .tag svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ---------- 도입 효과 ---------- */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ba .col { border-radius: var(--r-lg); padding: 36px; }
.ba .before { background: var(--bg-soft); border: 1px solid var(--line); }
.ba .after { background: var(--dark); color: var(--on-dark); }
.ba h4 { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 20px; }
.ba .before h4 { color: var(--ink-faint); }
.ba .after h4 { color: #93a8ff; }
.ba ul { list-style: none; display: flex; flex-direction: column; gap: 15px; }
.ba li { font-size: 15px; display: flex; gap: 12px; align-items: flex-start; line-height: 1.5; }
.ba li svg { width: 18px; height: 18px; flex: none; margin-top: 1px; stroke-width: 2; fill: none; }
.ba .before li svg { stroke: #c2c7d2; }
.ba .after li svg { stroke: #5e7bff; }
/* 도입 전·후 전환 도식 */
.transform { display: grid; grid-template-columns: 1fr auto 1fr; gap: 22px; align-items: stretch; }
.t-panel { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 26px 20px; }
.t-panel.is-after { background: var(--dark); border-color: rgba(255,255,255,.1); }
.t-panel h4 { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px; }
.t-panel.is-after h4 { color: #8db1ff; }
.t-panel .t-cap { font-size: 13px; color: var(--ink-soft); margin-bottom: 14px; }
.t-panel.is-after .t-cap { color: #9aa6bd; }
.t-svg { width: 100%; height: auto; display: block; }
.t-arrow { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.t-arrow .lbl { font-size: 12px; font-weight: 600; color: var(--accent); white-space: nowrap; letter-spacing: -.01em; }
.t-arrow .ar { width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; color: var(--ink-soft); }
.t-arrow .ar svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.8; }

.roi-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 28px; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.roi-strip .r { text-align: center; padding: 36px 24px; border-right: 1px solid var(--line); }
.roi-strip .r:last-child { border-right: 0; }
.roi-strip .r .big { font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.roi-strip .r .lab { font-size: 14px; color: var(--ink-soft); margin-top: 8px; line-height: 1.55; }

/* ---------- 적용 분야 ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line-2); border-radius: var(--pill); padding: 11px 20px; font-weight: 500; font-size: 14.5px; color: var(--ink-2); }
.chip::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

/* ---------- FormulaFlow ---------- */
.section--ff { background: var(--bg-soft); }
.ff-flow { display: flex; align-items: stretch; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 44px; counter-reset: ffstep; }
.ff-step { flex: 1; min-width: 150px; max-width: 230px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px; text-align: center; }
.ff-step--final { border-color: #f0d8a8; background: #fffaf1; }
/* 안 D — 배합 프로세스: 아이콘 대신 단계 번호 */
.ff-step .ff-ico { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); margin-bottom: 12px; box-shadow: inset 0 0 0 1px var(--accent-line); font-size: 16px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.ff-step--final .ff-ico { background: rgba(180,83,9,.1); color: var(--warn); box-shadow: inset 0 0 0 1px rgba(180,83,9,.2); }
.ff-step .ff-ico svg { display: none; }
.ff-step .ff-ico::before { counter-increment: ffstep; content: counter(ffstep, decimal-leading-zero); }
.ff-step b { display: block; font-size: 15px; font-weight: 700; }
.ff-step span { display: block; font-size: 12.5px; color: var(--ink-soft); margin-top: 4px; }
.ff-arrow { align-self: center; color: var(--ink-faint); }
.ff-arrow svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
/* FormulaFlow 캡처는 가로로 넓은 풀앱 화면 → 1단 세로 배치로 크고 선명하게 */
.ff-mocks { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 48px; max-width: 1000px; margin-left: auto; margin-right: auto; }
.ff-recom-head, .ff-db-head { font-size: 12.5px; font-weight: 700; margin-bottom: 13px; color: var(--ink-soft); }
.ff-cards { display: flex; flex-direction: column; gap: 9px; }
.ff-rc { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.ff-rc-t { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.ff-tag { font-size: 10px; font-weight: 600; padding: 3px 9px; border-radius: var(--pill); color: #fff; background: var(--accent); }
.ff-rc-cost { font-size: 12px; color: var(--ink-soft); margin: 6px 0 8px; }
.ff-bar { height: 6px; background: var(--bg-soft-2); border-radius: var(--pill); overflow: hidden; }
.ff-bar i { display: block; height: 100%; border-radius: var(--pill); background: var(--accent); }
.ff-check { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.ff-chk { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 5px 9px; border-radius: 7px; color: var(--good); background: rgba(14,159,110,.1); }
.ff-chk svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2.2; }
.ff-db-item { border: 1px solid var(--line); border-radius: 11px; padding: 16px; }
.ff-db-name { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.ff-db-code { font-size: 11.5px; font-weight: 600; color: var(--ink-soft); background: var(--bg-soft-2); padding: 2px 8px; border-radius: 6px; margin-left: 6px; }
.ff-db-rows { display: flex; flex-direction: column; gap: 9px; }
.ff-db-row { display: flex; justify-content: space-between; font-size: 13px; border-bottom: 1px dashed var(--line-2); padding-bottom: 8px; }
.ff-db-row span { color: var(--ink-soft); } .ff-db-row b { color: var(--ink); font-weight: 600; }
.ff-db-foot { margin-top: 12px; font-size: 11.5px; font-weight: 600; color: var(--good); background: rgba(14,159,110,.08); padding: 8px 12px; border-radius: 8px; text-align: center; }
.ff-diffs { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; counter-reset: ffdiff; }
.ff-diff { display: flex; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
/* 안 C — 차별점: 아이콘 대신 번호 모노그램 */
.ff-diff-ico { flex: none; width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-line); font-size: 16px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.ff-diff-ico svg { display: none; }
.ff-diff-ico::before { counter-increment: ffdiff; content: counter(ffdiff, decimal-leading-zero); }
.ff-diff b { font-size: 16px; font-weight: 700; letter-spacing: -.02em; } .ff-diff p { font-size: 14px; color: var(--ink-soft); margin-top: 7px; line-height: 1.6; }

/* ---------- CTA ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--dark); color: var(--on-dark); border-radius: 24px; padding: 76px 56px; text-align: center; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 320px at 84% 0%, rgba(35,72,255,.32), transparent 62%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #aab3c7; margin-top: 16px; font-size: 17px; max-width: 520px; margin-left: auto; margin-right: auto; line-height: 1.65; }
.cta-band .hero-cta { justify-content: center; margin-top: 32px; }
.cta-models { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 44px; text-align: left; }
.cta-models .m { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 22px; }
.cta-models .m b { color: #fff; font-size: 15px; font-weight: 600; } .cta-models .m span { display: block; color: #8b93a6; font-size: 13px; margin-top: 7px; line-height: 1.5; }

/* ---------- 회사소개 ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.about-grid .lead { max-width: none; }
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vm { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 40px; }
.vm .k { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.vm .v { font-size: 23px; font-weight: 800; letter-spacing: -.03em; margin-top: 14px; line-height: 1.3; }
.vm .d { color: var(--ink-soft); margin-top: 14px; font-size: 15px; line-height: 1.65; }
.fact-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.fact { padding: 32px; text-align: center; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact .k { font-size: 12.5px; color: var(--ink-faint); }
.fact .v { font-size: 21px; font-weight: 800; margin-top: 8px; letter-spacing: -.02em; }

/* ---------- 문의 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 48px; align-items: start; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 40px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 8px; color: var(--ink-2); }
.field input, .field select, .field textarea { width: 100%; font-family: inherit; font-size: 15px; color: var(--ink); padding: 13px 15px; border: 1px solid var(--line-2); border-radius: 10px; background: #fff; transition: border-color .15s ease, box-shadow .15s ease; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field textarea { resize: vertical; min-height: 124px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-info { display: flex; flex-direction: column; gap: 26px; padding-top: 4px; }
.ci-item .k { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.ci-item .v { font-size: 16px; margin-top: 8px; font-weight: 600; }
.ci-item .v.sm { font-size: 15px; font-weight: 400; color: var(--ink-soft); line-height: 1.6; }
.ci-item .ci-link { color: inherit; border-bottom: 1px solid transparent; transition: color .15s ease, border-color .15s ease; }
.ci-item .ci-link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.faq { max-width: 800px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line-2); padding: 24px 0; }
.faq summary { font-size: 17px; font-weight: 600; letter-spacing: -.02em; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 11px; height: 11px; flex: none; border-right: 2px solid var(--ink-faint); border-bottom: 2px solid var(--ink-faint); transform: rotate(45deg); transition: transform .2s ease; margin-top: -4px; }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: 4px; }
.faq details p { color: var(--ink-soft); margin-top: 14px; font-size: 15px; line-height: 1.75; }

/* ---------- 푸터 ---------- */
.site-footer { background: var(--dark); color: var(--on-dark-dim); padding: 80px 0 36px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; padding-bottom: 44px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; max-width: 320px; line-height: 1.65; }
.footer-col h5 { color: #fff; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 14px; color: var(--on-dark-dim); padding: 6px 0; }
.footer-col a { transition: color .15s ease; }
.footer-col a:hover { color: #fff; }
/* 연락처 내부 링크(전화·이메일) — p 안에 인라인 */
.footer-col p .foot-link { display: inline; padding: 0; color: inherit; }
.footer-col p .foot-link:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 28px; font-size: 13px; color: #6a7286; }

/* ---------- 서브페이지 미니 히어로 ---------- */
.page-hero { padding: 92px 0 80px; border-bottom: 1px solid var(--line); }
.page-hero p { color: var(--ink-soft); margin-top: 18px; font-size: 18.5px; max-width: 660px; line-height: 1.6; }

/* =====================================================================
   현장의 고민 — 증거 기반 카드 (텍스트 나열 → 수치·미니차트)
   ===================================================================== */
.prob { background: radial-gradient(900px 500px at 85% -10%, rgba(35,72,255,.05), transparent 60%), var(--bg); }
.prob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pcard {
  position: relative; background: linear-gradient(180deg, #fff, #fbfcfe);
  border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 28px 28px; overflow: hidden;
  transition: transform .25s cubic-bezier(.16,1,.3,1), box-shadow .25s ease, border-color .25s ease;
}
.pcard:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: 0 30px 60px -32px rgba(8,12,30,.35); }
.pcard-no { position: absolute; top: 12px; right: 18px; font-size: 72px; font-weight: 800; line-height: 1; color: var(--ink); opacity: .045; letter-spacing: -.04em; }
/* 안 C — 아이콘 박스 제거, 워터마크 번호가 시각 앵커. 키워드 라벨로 대체 */
.pcard .ic { display: none; }
.pcard-no { font-size: 88px; opacity: .06; top: 8px; }
.pcard h3 { margin-top: 4px; }
.pcard .kw {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.pcard .kw::before { content: ""; width: 18px; height: 2px; background: var(--accent); border-radius: 2px; }
.pcard h3 { font-size: 22px; font-weight: 700; letter-spacing: -.02em; }
.pcard > p { color: var(--ink-soft); margin-top: 12px; font-size: 16px; line-height: 1.62; }
.pcard-evi { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line-2); display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.evi-stat { display: flex; flex-direction: column; }
.evi-stat .num { font-size: 36px; font-weight: 800; letter-spacing: -.03em; line-height: 1; color: var(--ink); }
.evi-stat .num .u { font-size: 18px; font-weight: 700; color: var(--ink-soft); }
.evi-stat .cap { font-size: 12.5px; color: var(--ink-faint); margin-top: 8px; }
.evi-bars { display: flex; align-items: flex-end; gap: 5px; height: 40px; }
.evi-bars i { width: 7px; border-radius: 3px 3px 0 0; background: var(--line-2); }
.evi-bars i.hot { background: linear-gradient(180deg, #5e7bff, var(--accent)); }
.evi-donut { position: relative; width: 56px; height: 56px; }
.evi-donut svg { transform: rotate(-90deg); }
.evi-donut .lab { position: absolute; inset: 0; display: grid; place-items: center; font-size: 13px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }

/* =====================================================================
   도입 효과 — 깊이있는 통합 허브 도식 (평면 박스 → 글로우 허브)
   ===================================================================== */
.impact { background: var(--dark); color: var(--on-dark); position: relative; overflow: hidden; }
.impact::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 420px at 50% -5%, rgba(35,72,255,.22), transparent 60%), radial-gradient(560px 380px at 12% 110%, rgba(35,72,255,.10), transparent 55%); }
.impact::after { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 60px 60px; -webkit-mask-image: radial-gradient(circle at 50% 35%, #000, transparent 75%); mask-image: radial-gradient(circle at 50% 35%, #000, transparent 75%); }
.impact .wrap { position: relative; z-index: 1; }
.impact .eyebrow { color: #8db1ff; } .impact .eyebrow::before { background: #5e7bff; }
.impact .h2 { color: #fff; } .impact .lead { color: #aab3c7; }
.hub-wrap { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 0; align-items: center; margin-top: 64px; }
.src-col { display: flex; flex-direction: column; gap: 14px; }
.src { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 14px 16px; backdrop-filter: blur(4px); }
.src:nth-child(1) { transform: translateX(-8px); } .src:nth-child(2) { transform: translateX(14px); }
.src:nth-child(3) { transform: translateX(-2px); } .src:nth-child(4) { transform: translateX(20px); }
/* 안 C — 소스 마커: 아이콘 대신 작은 인덱스 닷 */
.src .si { width: 28px; height: 28px; border-radius: 8px; flex: none; display: grid; place-items: center; background: rgba(255,255,255,.05); position: relative; }
.src .si svg { display: none; }
.src .si::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #5e7bff; box-shadow: 0 0 0 4px rgba(94,123,255,.14); }
.src .st { font-size: 15px; font-weight: 600; color: #c5ccdb; }
.src .ss { font-size: 12px; color: #6a7286; margin-top: 2px; }
.hub { position: relative; display: grid; place-items: center; height: 280px; }
.hub-core { position: relative; z-index: 3; width: 116px; height: 116px; border-radius: 28px; background: linear-gradient(150deg, #2348ff, #5e7bff); display: grid; place-items: center; box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 20px 50px -10px rgba(35,72,255,.6), inset 0 1px 0 rgba(255,255,255,.4); }
.hub-core svg { width: 50px; height: 50px; }
.hub-core .lab { position: absolute; bottom: -30px; left: 50%; transform: translateX(-50%); font-size: 12.5px; font-weight: 800; color: #9cb6ff; white-space: nowrap; letter-spacing: -.01em; }
.hub-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(94,123,255,.25); }
.hub-ring.r1 { width: 180px; height: 180px; }
.hub-ring.r2 { width: 240px; height: 240px; border-style: dashed; border-color: rgba(94,123,255,.18); animation: spin-r 40s linear infinite; }
@keyframes spin-r { to { transform: rotate(360deg); } }
.hub-glow { position: absolute; width: 220px; height: 220px; border-radius: 50%; background: radial-gradient(circle, rgba(35,72,255,.4), transparent 65%); filter: blur(8px); }
.out-col { display: flex; flex-direction: column; gap: 12px; }
.out { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)); border: 1px solid rgba(94,123,255,.22); border-radius: 12px; padding: 15px 16px; box-shadow: inset 0 1px 0 rgba(255,255,255,.06); }
.out .ot { display: flex; align-items: center; gap: 10px; font-size: 15.5px; font-weight: 700; color: #fff; }
.out .ot .chk { width: 20px; height: 20px; border-radius: 50%; flex: none; display: grid; place-items: center; background: rgba(14,159,110,.18); }
.out .ot .chk svg { width: 12px; height: 12px; stroke: #34d399; fill: none; stroke-width: 3; }
.out .od { font-size: 13px; color: #8b93a6; margin-top: 6px; padding-left: 30px; line-height: 1.5; }
.hub-lines { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; pointer-events: none; }
.impact-kpis { margin-top: 72px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); background: rgba(255,255,255,.02); overflow: hidden; }
.impact-kpis .k { padding: 30px 26px; border-right: 1px solid rgba(255,255,255,.08); }
.impact-kpis .k:last-child { border-right: 0; }
.impact-kpis .k .kn { font-size: 46px; font-weight: 800; letter-spacing: -.03em; color: #fff; line-height: 1; font-variant-numeric: tabular-nums; }
.impact-kpis .k .kn .u { font-size: 22px; color: #93a8ff; }
.impact-kpis .k .kl { font-size: 14px; color: #8b93a6; margin-top: 14px; line-height: 1.5; }
.impact-kpis .k .ktag { display: inline-block; margin-top: 12px; font-size: 11.5px; font-weight: 600; color: #34d399; background: rgba(14,159,110,.12); padding: 3px 9px; border-radius: 999px; }
@media (max-width: 920px) {
  .prob-grid { grid-template-columns: 1fr; }
  .hub-wrap { grid-template-columns: 1fr; gap: 36px; }
  .hub { height: 220px; }
  .src:nth-child(n) { transform: none; }
  .impact-kpis { grid-template-columns: 1fr 1fr; }
  .impact-kpis .k:nth-child(2) { border-right: 0; }
  .impact-kpis .k:nth-child(1), .impact-kpis .k:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.08); }
}

/* =====================================================================
   서비스 페이지 — THE CHALLENGE (AI 도입 95% 실패 → 구조적 답)
   ===================================================================== */
.challenge { background: var(--dark); color: var(--on-dark); position: relative; overflow: hidden; }
.challenge::before { content: ""; position: absolute; inset: 0; background: radial-gradient(680px 420px at 22% -5%, rgba(35,72,255,.16), transparent 60%), radial-gradient(560px 380px at 85% 105%, rgba(35,72,255,.10), transparent 55%); }
.challenge .wrap { position: relative; z-index: 1; }
.ch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; }
.ch-problem, .ch-answer { padding: 8px 48px; }
.ch-problem { border-right: 1px solid rgba(255,255,255,.1); }
.ch-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 22px; }
.ch-tag--problem { color: #6a7286; }
.ch-tag--answer { color: #8db1ff; }
.ch-h { font-size: clamp(26px, 3.2vw, 38px); font-weight: 800; letter-spacing: -.035em; line-height: 1.18; color: #fff; }
.ch-big { color: var(--accent); }
.ch-problem .ch-big { color: var(--accent); }
.ch-answer .accent { color: #ff5470; }
.ch-sub { font-size: 14.5px; color: #aab3c7; margin: 16px 0 28px; }
.ch-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.ch-list li { display: flex; align-items: center; gap: 16px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: 16px; font-weight: 500; color: #dce3f2; }
.ch-list li:first-child { border-top: 0; }
.ch-list--problem .n { font-size: 13px; font-weight: 700; color: var(--accent); flex: none; width: 22px; }
.ch-list--answer .chk { width: 22px; height: 22px; border-radius: 50%; flex: none; display: grid; place-items: center; background: rgba(14,159,110,.16); }
.ch-list--answer .chk svg { width: 13px; height: 13px; stroke: #34d399; fill: none; stroke-width: 3; }

/* =====================================================================
   서비스 페이지 — AX Service 카드 (다섯 가지)
   ===================================================================== */
.svc-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card { position: relative; background: linear-gradient(180deg, #fff, #fbfcfe); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 28px; overflow: hidden; transition: transform .25s cubic-bezier(.16,1,.3,1), box-shadow .25s ease, border-color .25s ease; }
.svc-card:first-child { grid-column: span 1; background: var(--dark); color: var(--on-dark); border-color: rgba(255,255,255,.1); }
.svc-card:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: 0 30px 60px -32px rgba(8,12,30,.35); }
.svc-card:first-child:hover { border-color: rgba(94,123,255,.4); }
.svc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.svc-no { font-size: 44px; font-weight: 800; letter-spacing: -.04em; color: var(--accent); line-height: 1; font-variant-numeric: tabular-nums; }
.svc-card:first-child .svc-no { color: #93a8ff; }
/* 안 C/A — 아이콘 제거, 번호가 주인공. 우상단 헤어라인으로 대체 */
.svc-ic { display: none; }
.svc-top::after { content: ""; width: 34px; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), transparent); }
.svc-card:first-child .svc-top::after { background: linear-gradient(90deg, #6f8aff, transparent); }
.svc-card h3 { font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.svc-card:first-child h3 { color: #fff; }
.svc-card p { color: var(--ink-soft); margin-top: 12px; font-size: 15px; line-height: 1.62; }
.svc-card:first-child p { color: #aab3c7; }

/* =====================================================================
   서비스 페이지 — 멘토기업 인증 밴드 + 실적
   ===================================================================== */
.mentor-band { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px 36px; }
.mentor-badge { display: flex; align-items: center; gap: 16px; }
.mentor-mark { width: 56px; height: 56px; border-radius: 16px; flex: none; display: grid; place-items: center; background: linear-gradient(150deg, var(--accent), #5e7bff); box-shadow: 0 12px 28px -10px rgba(35,72,255,.5); }
.mentor-mark svg { width: 30px; height: 30px; fill: #fff; }
.mentor-k { display: block; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.mentor-t { display: block; font-size: 20px; font-weight: 800; letter-spacing: -.02em; margin-top: 3px; }
.mentor-desc { font-size: 15px; color: var(--ink-soft); line-height: 1.65; }
.mentor-desc b { color: var(--ink); font-weight: 700; }
.mentor-desc span { color: var(--accent); font-weight: 600; }
.mentor-cta { white-space: nowrap; }
.rec-grid { margin-top: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px 36px; }
.rec-h { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 18px; }
.rec-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 40px; }
.rec-list li { display: flex; align-items: baseline; gap: 16px; padding-bottom: 14px; border-bottom: 1px dashed var(--line-2); }
.rec-yr { flex: none; min-width: 78px; font-size: 13px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.rec-d { font-size: 15px; color: var(--ink-2); line-height: 1.5; }

@media (max-width: 920px) {
  .ch-grid { grid-template-columns: 1fr; gap: 8px; }
  .ch-problem { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); padding-bottom: 32px; }
  .ch-problem, .ch-answer { padding-left: 0; padding-right: 0; }
  .ch-answer { padding-top: 32px; }
  .svc-flow { grid-template-columns: 1fr; }
  .svc-card:first-child { grid-column: auto; }
  .mentor-band { grid-template-columns: 1fr; gap: 22px; text-align: left; }
  .mentor-cta { justify-self: start; }
  .rec-list { grid-template-columns: 1fr; }
}

/* ---------- 반응형 ---------- */
@media (max-width: 920px) {
  .hero-grid, .grid-3, .grid-2, .value-list, .lineup, .feat, .ff-mocks, .ff-diffs,
  .about-grid, .vm-grid, .contact-grid, .cta-models, .ba { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .transform { grid-template-columns: 1fr; }
  .transform .t-arrow .ar svg { transform: rotate(90deg); }
  .section { padding: 88px 0; }
  .section-head { margin-bottom: 48px; }
  .grid-3 { gap: 36px; }
  .value-list { gap: 0; }
  .roi-strip, .fact-strip { grid-template-columns: 1fr; }
  .roi-strip .r, .fact { border-right: 0; border-bottom: 1px solid var(--line); }
  .roi-strip .r:last-child, .fact:last-child { border-bottom: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .ff-flow .ff-arrow svg { transform: rotate(90deg); }
  .dash { grid-template-columns: 1fr; } .dash-side { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .bi { grid-template-columns: 1fr; } .bi .w.big { grid-column: auto; }
  .grid-4 { grid-template-columns: 1fr; }
  .dash-kpis { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-band { padding: 52px 26px; }
  .hero-points .p { padding-right: 0; }
}