/* base.css — 리셋 + 브랜드 토큰 + 공통 컴포넌트 (4개 시안 공유) */

:root {
  --color-primary: #1B4DE4;
  --color-primary-dark: #1339B0;
  --color-navy: #0A1633;
  --color-ink: #0F172A;
  --color-muted: #64748B;
  --color-line: #E2E8F0;
  --color-bg-soft: #F4F6FB;
  --color-white: #FFFFFF;

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

  --container-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.10);

  --section-py: clamp(48px, 7vw, 96px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  min-width: 320px;
}

img, svg { max-width: 100%; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); line-height: 1.25; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.25rem); line-height: 1.3; }
h3 { font-size: 1.05rem; line-height: 1.4; }

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── 버튼 ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.btn--sm { padding: 10px 18px; font-size: 0.875rem; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--outline { background: transparent; color: var(--color-primary); border: 1.5px solid var(--color-primary); }
.btn--outline:hover { background: rgba(27, 77, 228, 0.08); }
.btn--on-dark.btn--outline { color: #fff; border-color: rgba(255, 255, 255, 0.55); }
.btn--on-dark.btn--outline:hover { background: rgba(255, 255, 255, 0.1); }

.icon { flex-shrink: 0; }
.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 30px; height: 30px; }
.icon--flip { transform: scaleX(-1); }
.icon--check { color: var(--color-primary); width: 18px; height: 18px; }

/* ── 헤더 ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--color-ink); }
.brand__mark { color: var(--color-primary); display: inline-flex; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-weight: 800; font-size: 0.95rem; }
.brand__sub { font-size: 0.7rem; color: var(--color-muted); letter-spacing: 0.06em; }

.site-nav ul { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.site-nav a { font-size: 0.9rem; font-weight: 500; color: var(--color-ink); }
.site-nav a:hover { color: var(--color-primary); }

.site-header__actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: currentColor; border-radius: 2px; }

.site-nav-mobile { display: none; border-top: 1px solid var(--color-line); background: var(--color-white); }
.site-nav-mobile ul { display: flex; flex-direction: column; padding: 12px 24px 20px; gap: 4px; }
.site-nav-mobile a { display: block; padding: 12px 4px; font-weight: 500; }
.site-nav-mobile .btn { margin-top: 8px; justify-content: center; }
body.nav-open .site-nav-mobile { display: block; }

/* ── 섹션 공통 ────────────────────────────────────── */
.section { padding: var(--section-py) 0; }
.section--soft { background: var(--color-bg-soft); }
.section--dark { background: var(--color-navy); color: #fff; }
.section--panel { background: #0D1B3F; color: #fff; }
.section--story { background: var(--color-navy); color: #fff; }

.eyebrow {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}
.section--dark .eyebrow,
.section--panel .eyebrow,
.section--story .eyebrow { color: #7FA0FF; }

.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--color-muted); font-size: 1.02rem; }
.section--dark .section-head p,
.section--panel .section-head p { color: #B7C2DE; }
.section-head--split { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }

.section-title-center { text-align: center; max-width: 640px; margin: 0 auto 40px; }

.lead { color: var(--color-muted); font-size: 1.02rem; margin: 14px 0 24px; }
.section--dark .lead,
.section--panel .lead,
.section--story .lead { color: #B7C2DE; }

.link-arrow { color: var(--color-primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }

/* ── 이미지 / placeholder ─────────────────────────── */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-soft);
  isolation: isolate;
}
.media-frame img, .media-frame .ph { width: 100%; height: auto; object-fit: cover; }
.media-frame--dark { background: #10203F; }

.ph {
  width: 100%;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #E6ECFB 0%, #C9D6F5 45%, #A9BEF0 100%);
  position: relative;
  overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.55), transparent 45%),
    radial-gradient(circle at 75% 75%, rgba(27, 77, 228, 0.25), transparent 55%);
}
.section--dark .ph, .section--panel .ph, .section--story .ph,
.hero--v1 .ph, .hero--v3 .ph, .hero--v4 .ph {
  background: linear-gradient(135deg, #16244B 0%, #0E1B3B 55%, #0A1633 100%);
}
.section--dark .ph::before, .section--panel .ph::before, .section--story .ph::before,
.hero--v1 .ph::before, .hero--v3 .ph::before, .hero--v4 .ph::before {
  background:
    radial-gradient(circle at 30% 30%, rgba(66, 118, 255, 0.35), transparent 50%),
    radial-gradient(circle at 75% 70%, rgba(27, 77, 228, 0.28), transparent 55%);
}

/* ── feature 카드 그리드 ──────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-grid--compact { grid-template-columns: repeat(2, 1fr); gap: 20px 24px; margin: 24px 0; }
.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px;
}
.section--soft .feature-card { background: var(--color-white); }
.feature-card--flat { background: transparent; border: none; padding: 0; display: flex; gap: 14px; }
.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(27, 77, 228, 0.1);
  color: var(--color-primary);
  margin-bottom: 14px;
  flex-shrink: 0;
}
.feature-card--flat .feature-card__icon { margin-bottom: 0; }
.feature-card h3 { margin-bottom: 6px; }
.feature-card p { color: var(--color-muted); font-size: 0.9rem; }

/* ── why / video 레이아웃 ─────────────────────────── */
.why__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.why__caption { margin-top: 12px; font-weight: 600; }
.play-btn {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(27, 77, 228, 0.9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── split 레이아웃 ───────────────────────────────── */
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split-layout--reverse .split-layout__media { order: 2; }
.split-layout--reverse .split-layout__copy { order: 1; }

.badge-chip {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: #fff;
  border-radius: 999px;
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-md);
  border: 4px solid rgba(27, 77, 228, 0.15);
}
.badge-chip strong { color: var(--color-primary); font-size: 1.1rem; }
.badge-chip span { font-size: 0.7rem; color: var(--color-muted); }

.stat-strip {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  background: rgba(10, 22, 51, 0.85);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stat-strip > div { flex: 1; text-align: center; padding: 16px 8px; color: #fff; }
.stat-strip strong { display: block; font-size: 1.2rem; }
.stat-strip span { font-size: 0.72rem; color: #B7C2DE; }
.stat-strip--card { position: static; background: var(--color-white); box-shadow: var(--shadow-sm); margin: 28px 0; }
.stat-strip--card > div { color: var(--color-ink); }
.stat-strip--card strong { color: var(--color-primary); }
.stat-strip--card span { color: var(--color-muted); }

.callout-stack { position: absolute; top: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; }
.callout-chip {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  text-align: right;
  box-shadow: var(--shadow-sm);
}
.callout-chip strong { display: block; color: var(--color-primary); font-size: 1rem; }
.callout-chip span { font-size: 0.7rem; color: var(--color-muted); }

.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-weight: 500; }

/* ── 패키지 카드 ──────────────────────────────────── */
.package-grid { display: grid; gap: 24px; margin: 32px 0; }
.package-grid--3 { grid-template-columns: repeat(3, 1fr); }
.package-grid--4 { grid-template-columns: repeat(4, 1fr); }
.package-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  background: var(--color-white);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.package-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.section--panel .package-card, .section--dark .package-card { background: #0F1E42; border-color: rgba(255, 255, 255, 0.12); }
.package-card__icon {
  display: inline-flex;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 10px;
  background: rgba(27, 77, 228, 0.1);
  color: var(--color-primary);
  margin-bottom: 16px;
}
.package-card h3 { margin-bottom: 8px; }
.package-card p { color: var(--color-muted); font-size: 0.88rem; min-height: 2.6em; }
.section--panel .package-card p, .section--dark .package-card p { color: #B7C2DE; }
.package-card__price { display: block; margin-top: 16px; font-size: 1.15rem; color: var(--color-primary); }
.package-card__list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--color-line); padding-top: 16px; }
.section--panel .package-card__list { border-color: rgba(255, 255, 255, 0.12); }
.package-card__list li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }

/* ── 통계 그리드 ──────────────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: center;
  background: var(--color-white);
}
.stat-card__icon { display: inline-flex; color: var(--color-primary); margin-bottom: 10px; }
.stat-card strong { display: block; font-size: 1.6rem; color: var(--color-ink); }
.stat-card span { font-size: 0.82rem; color: var(--color-muted); }
.stat-card--dark { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.12); }
.stat-card--dark strong { color: #fff; }
.stat-card--dark span { color: #B7C2DE; }
.stat-card--plain { border: none; background: transparent; }

/* ── 타임라인 ─────────────────────────────────────── */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; border-top: 1px solid rgba(255, 255, 255, 0.15); padding-top: 28px; }
.timeline li { display: flex; flex-direction: column; gap: 6px; padding-left: 16px; border-left: 2px solid var(--color-primary); }
.timeline__year { font-weight: 800; font-size: 1.15rem; }
.timeline__text { color: #B7C2DE; font-size: 0.88rem; }
.timeline--mini { grid-template-columns: repeat(2, 1fr); border-top: none; padding-top: 0; margin-top: 24px; }
.timeline--mini .timeline__text { color: var(--color-muted); }
.story__head { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 8px; }
.story__head > div { max-width: 420px; }
.story__head p { color: #B7C2DE; margin-bottom: 16px; }

.timeline--vertical {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-left: 2px solid var(--color-line);
  padding-left: 20px;
  grid-column: 1 / -1;
}

/* ── 문의 배너 ────────────────────────────────────── */
.section--contact { background: var(--color-navy); color: #fff; }
.contact-band { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.contact-band h2 { max-width: 640px; }
.contact-band--split { flex-direction: row; justify-content: space-between; align-items: center; text-align: left; flex-wrap: wrap; }
.contact-band--split h2 { margin: 6px 0 0; }

/* ── solution 카드 그리드 (v2, v4 공유) ───────────── */
.solution-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.solution-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  background: var(--color-white);
}
.section--soft .solution-card { background: var(--color-white); }
.solution-card__icon {
  display: inline-flex; width: 42px; height: 42px;
  align-items: center; justify-content: center;
  border-radius: 10px; background: rgba(27, 77, 228, 0.1); color: var(--color-primary);
  margin-bottom: 16px;
}
.solution-card h3 { margin-bottom: 8px; }
.solution-card p { color: var(--color-muted); font-size: 0.86rem; margin-bottom: 14px; }
.solution-card a { color: var(--color-primary); font-weight: 600; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 4px; }

/* ── trust 레이아웃 (v2, v4 공유) ─────────────────── */
.trust__layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; }
.trust__layout--center { align-items: start; }
.trust__copy p { color: var(--color-muted); margin: 14px 0 20px; }
.section--dark .trust__copy p { color: #B7C2DE; }
.stat-grid--inline { grid-template-columns: repeat(4, 1fr); }

/* ── 성공 사례 카드 (v4) ───────────────────────────── */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card h3 { margin: 18px 0 8px; }
.case-card p { color: var(--color-muted); font-size: 0.9rem; margin-bottom: 12px; }
.case-card a { color: var(--color-primary); font-weight: 600; font-size: 0.85rem; }
.case-card .media-frame { aspect-ratio: 4 / 3; }
.tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(10, 22, 51, 0.85);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.tag--mfg { background: rgba(27, 77, 228, 0.9); }
.tag--fin { background: rgba(16, 128, 90, 0.9); }
.tag--retail { background: rgba(180, 83, 9, 0.9); }

/* ── CTA 글로브 배너 (v4) ──────────────────────────── */
.section--cta-globe { position: relative; background: var(--color-navy); color: #fff; overflow: hidden; }
.cta-globe__bg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.45; z-index: 0; border-radius: 0; }
.section--cta-globe .container { position: relative; z-index: 1; }
.section--cta-globe p { color: #B7C2DE; margin-top: 10px; }

/* ── 유틸 ─────────────────────────────────────────── */
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── 푸터 ─────────────────────────────────────────── */
.site-footer { background: var(--color-navy); color: #C5CEE6; padding: 64px 0 28px; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.site-footer__brand .brand__mark { color: #fff; }
.site-footer__desc { margin-top: 12px; font-size: 0.88rem; color: #93A0C4; max-width: 220px; }
.site-footer__col h3 { color: #fff; font-size: 0.85rem; margin-bottom: 16px; }
.site-footer__col ul { display: flex; flex-direction: column; gap: 10px; font-size: 0.85rem; }
.site-footer__col a:hover { color: #fff; }
.social-list { flex-direction: row !important; gap: 12px !important; }
.social-list a { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 0.8rem; color: #7C89AE; flex-wrap: wrap; gap: 12px; }
.site-footer__legal { display: flex; gap: 20px; }

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 90;
}
.back-to-top[hidden] { display: none; }

/* ── 반응형 ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .why__grid, .split-layout { grid-template-columns: 1fr; }
  .split-layout--reverse .split-layout__media,
  .split-layout--reverse .split-layout__copy { order: initial; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .package-grid--3, .package-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(3, 1fr); }
  .timeline--vertical { padding-left: 0; border-left: none; }
  .solution-grid { grid-template-columns: repeat(3, 1fr); }
  .trust__layout { grid-template-columns: 1fr; }
  .stat-grid--inline { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .feature-grid, .feature-grid--compact, .package-grid--3, .package-grid--4, .stat-grid, .timeline, .timeline--mini { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-band--split { flex-direction: column; text-align: center; align-items: center; }
  .section-head--split { flex-direction: column; align-items: flex-start; }
  .hero__ctas { justify-content: center; }
  h1 { text-align: left; }
  .solution-grid { grid-template-columns: 1fr; }
  .stat-grid--inline { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
}

/* ── 공통 제품 섹션 (아키텍처 / 핵심 기능 / 활용 분야) ───────────── */

.section-head--center { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.section-head--center p { color: var(--color-muted); }
.section--dark .section-head--center p { color: rgba(226, 232, 240, 0.78); }

.pane-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.pane-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}
.pane-card__icon {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(27, 77, 228, 0.22);
  color: #7FA6FF;
  margin-bottom: 18px;
}
.pane-card__index {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: #7FA6FF; margin-bottom: 6px;
}
.pane-card h3 { font-size: 1.25rem; color: var(--color-white); }
.pane-card__role {
  font-size: 0.85rem; color: rgba(226, 232, 240, 0.6);
  margin: 2px 0 14px;
}
.pane-card__desc { font-size: 0.92rem; color: rgba(226, 232, 240, 0.8); line-height: 1.7; }

.core-grid, .usecase-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.core-card, .usecase-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.core-card:hover, .usecase-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.core-card__icon, .usecase-card__icon {
  display: inline-flex;
  width: 46px; height: 46px;
  align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(27, 77, 228, 0.08);
  color: var(--color-primary);
  margin-bottom: 18px;
}
.core-card h3, .usecase-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.core-card p, .usecase-card p { color: var(--color-muted); font-size: 0.94rem; line-height: 1.75; }

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag-list li {
  font-size: 0.78rem;
  color: var(--color-primary);
  background: rgba(27, 77, 228, 0.07);
  border: 1px solid rgba(27, 77, 228, 0.16);
  border-radius: 999px;
  padding: 4px 12px;
}

@media (max-width: 640px) {
  .pane-card, .core-card, .usecase-card { padding: 24px 20px; }
}

/* ── 법적 고지 페이지 (privacy / terms) ─────────────────────── */

.legal { padding-top: clamp(40px, 6vw, 72px); }
.legal__inner { max-width: 820px; }
.legal h1 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin-bottom: 10px; }
.legal__meta { color: var(--color-muted); font-size: 0.9rem; margin-bottom: 28px; }
.legal__lead {
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  color: #334155;
  margin-bottom: 36px;
}
.legal h2 {
  font-size: 1.18rem;
  margin: 38px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}
.legal h2:first-of-type { border-top: none; padding-top: 0; }
.legal p { color: #334155; margin-bottom: 12px; line-height: 1.85; }
.legal a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }

.legal__list { margin: 0 0 14px; padding-left: 2px; }
.legal__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: #334155;
  line-height: 1.8;
}
.legal__list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 12px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
}

.legal__table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 20px;
  font-size: 0.94rem;
}
.legal__table th, .legal__table td {
  border: 1px solid var(--color-line);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  color: #334155;
}
.legal__table thead th, .legal__table tbody th {
  background: var(--color-bg-soft);
  font-weight: 600;
  white-space: nowrap;
}

.legal__company {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.9rem;
}
.legal__company p { color: var(--color-muted); margin-bottom: 4px; }

@media (max-width: 640px) {
  .legal__table { display: block; overflow-x: auto; white-space: nowrap; }
}

/* ── 별도 페이지 공통 (engine / guide / academy / about) ────── */

.page-hero { padding-top: clamp(44px, 6vw, 80px); padding-bottom: clamp(32px, 4vw, 52px); }
.page-hero h1 { margin-bottom: 14px; }
.page-hero__lead { max-width: 760px; color: var(--color-muted); font-size: 1.05rem; line-height: 1.85; margin-bottom: 22px; }
.page-hero__sub { color: var(--color-primary); font-weight: 600; }

.flow-line {
  margin-top: 28px;
  padding: 16px 20px;
  border: 1px dashed rgba(127, 166, 255, 0.45);
  border-radius: var(--radius-md);
  color: rgba(226, 232, 240, 0.9);
  font-size: 0.92rem;
  text-align: center;
  overflow-x: auto;
  white-space: nowrap;
}

.sub-head { font-size: 1.02rem; margin: 26px 0 10px; }

.code-block {
  background: var(--color-navy);
  color: #D7E3FF;
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.7;
  margin: 12px 0 18px;
}
.code-block code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }
.legal__table code { background: var(--color-bg-soft); padding: 2px 6px; border-radius: 4px; font-size: 0.88em; }

/* Bird Nesting / 빠른 시작 단계 */
.nest-steps { counter-reset: nest; display: grid; gap: 16px; }
.nest-step {
  display: flex; gap: 18px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
}
.nest-step__num {
  flex: 0 0 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-primary); color: #fff;
  font-weight: 700; font-size: 0.9rem;
}
.nest-step h3 { font-size: 1.08rem; margin-bottom: 2px; }
.nest-step__label { color: var(--color-primary); font-size: 0.86rem; font-weight: 600; margin-bottom: 8px; }
.nest-step p { color: var(--color-muted); font-size: 0.94rem; line-height: 1.75; }
.nest-def {
  margin-top: 26px; padding: 20px 22px;
  background: var(--color-navy); color: #E2E8F0;
  border-radius: var(--radius-md); line-height: 1.8;
}
.nest-def strong { display: block; color: #7FA6FF; font-size: 0.82rem; letter-spacing: 0.08em; margin-bottom: 6px; }

/* 교육 목표 4단계 */
.stage-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 30px; }
.stage-flow__item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  color: var(--color-white);
  font-weight: 600;
  line-height: 1.6;
}
.stage-flow__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(27,77,228,0.3); color: #7FA6FF;
  font-size: 0.8rem; margin-bottom: 10px;
}
.stage-body p { color: rgba(226,232,240,0.82); line-height: 1.85; margin-bottom: 12px; }

/* LEVEL 로드맵 */
.level-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.level-card {
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 20px 20px;
  background: var(--color-white);
}
.level-card__tag { display: block; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; color: var(--color-primary); margin-bottom: 6px; }
.level-card h3 { font-size: 1rem; line-height: 1.5; }

.table-wrap { overflow-x: auto; }
.course-table { min-width: 620px; }
.course-table__lv { font-weight: 700; color: var(--color-primary); white-space: nowrap; }

.tag-list--block { gap: 8px; }
.pull-quote {
  margin: 22px 0;
  padding: 20px 24px;
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: #1e293b;
}

.note-line { margin-top: 26px; text-align: center; color: var(--color-muted); }
.note-line a.btn { color: #fff; }
.site-nav a[aria-current="page"], .site-nav-mobile a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
}

/* ── 툴 페이지 ─────────────────────────────────────────────── */

.tool-grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.tool-card {
  display: flex; flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.tool-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.tool-card__icon {
  display: inline-flex; width: 46px; height: 46px;
  align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(27, 77, 228, 0.08);
  color: var(--color-primary);
}
.tool-card__icon--lg { width: 58px; height: 58px; flex: 0 0 58px; }
.tool-card h2, .tool-card h3 { font-size: 1.14rem; margin-bottom: 4px; }
.tool-card__tagline { color: var(--color-primary); font-size: 0.88rem; font-weight: 600; margin-bottom: 10px; }
.tool-card p { color: var(--color-muted); font-size: 0.94rem; line-height: 1.75; }
.tool-card .legal__list { margin: 14px 0 18px; }
.tool-card .legal__list li { font-size: 0.9rem; margin-bottom: 6px; }
.tool-card .link-arrow { margin-top: auto; color: var(--color-primary); font-weight: 600; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; }

.tool-card__status {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.02em;
  padding: 4px 11px; border-radius: 999px; white-space: nowrap;
}
.tool-card__status--available { color: #0F7B3F; background: rgba(22, 163, 74, 0.10); border: 1px solid rgba(22, 163, 74, 0.24); }
.tool-card__status--preparing { color: #8A6100; background: rgba(217, 160, 21, 0.12); border: 1px solid rgba(217, 160, 21, 0.28); }

.tool-head { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 16px; }
.tool-head h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin-bottom: 4px; }

.notice-box {
  margin-top: 26px; padding: 18px 22px;
  background: rgba(217, 160, 21, 0.08);
  border-left: 3px solid #D9A015;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #4b4436;
}

/* 네비 7개 기준 폭 조정 (1024px 미만은 햄버거로 전환) */
.site-nav ul { gap: 20px; white-space: nowrap; }
.site-nav a { font-size: 0.88rem; }
@media (max-width: 1280px) {
  .site-nav ul { gap: 15px; }
  .site-nav a { font-size: 0.84rem; }
  .site-header__inner { gap: 14px; }
}

/* ── 카테고리 히어로 (목업의 라이트/다크 리듬 복원) ────────────── */

.page-hero--visual {
  position: relative;
  background: var(--color-navy);
  color: #fff;
  overflow: hidden;
  padding-block: clamp(56px, 7vw, 96px);
}
.page-hero--visual .media,
.page-hero--visual .ph {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  opacity: 0.55;
}
/* 텍스트 가독성 확보: 왼쪽에서 오른쪽으로 어두워지는 그라디언트 */
.page-hero--visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(10, 22, 51, 0.97) 0%,
    rgba(10, 22, 51, 0.88) 38%,
    rgba(10, 22, 51, 0.45) 68%,
    rgba(10, 22, 51, 0.30) 100%);
}
.page-hero--visual > .container { position: relative; z-index: 1; }
.page-hero--visual .eyebrow { color: #7FA6FF; }
.page-hero--visual .eyebrow a { color: inherit; }
.page-hero--visual h1 { color: #fff; }
.page-hero--visual .page-hero__lead { color: rgba(226, 232, 240, 0.88); max-width: 620px; }
.page-hero--visual .page-hero__sub { color: #7FA6FF; }
.page-hero--visual .btn--outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.page-hero--visual .btn--outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

.hero-crumb { margin-bottom: 12px; font-size: 0.84rem; color: rgba(226,232,240,0.6); }
.hero-crumb a { color: rgba(226,232,240,0.85); }
.hero-crumb a:hover { color: #fff; }
.hero-crumb span { margin: 0 7px; opacity: 0.5; }

@media (max-width: 720px) {
  .page-hero--visual::after {
    background: linear-gradient(180deg,
      rgba(10, 22, 51, 0.92) 0%,
      rgba(10, 22, 51, 0.86) 60%,
      rgba(10, 22, 51, 0.94) 100%);
  }
  .page-hero--visual .media, .page-hero--visual .ph { opacity: 0.35; }
}

/* ── 하단 CTA 밴드 ─────────────────────────────────────────── */
.section--cta-band { position: relative; background: var(--color-navy); color: #fff; overflow: hidden; }
.section--cta-band .cta-band__bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0.45; border-radius: 0;
}
.section--cta-band::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,22,51,0.95) 0%, rgba(10,22,51,0.78) 55%, rgba(10,22,51,0.55) 100%);
}
.cta-band__inner {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
}
.cta-band__inner h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 8px; }
.cta-band__inner p { color: rgba(226,232,240,0.82); }

/* ── 긴 문서용 목차 (privacy / terms) ──────────────────────── */
.doc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 44px; align-items: start; }
.doc-toc { position: sticky; top: 90px; }
.doc-toc h2 { font-size: 0.8rem; letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: 12px; border: none; padding: 0; }
.doc-toc ol { display: flex; flex-direction: column; gap: 2px; counter-reset: toc; }
.doc-toc a {
  display: block; padding: 6px 10px; border-radius: 6px;
  font-size: 0.86rem; color: var(--color-muted); line-height: 1.45;
}
.doc-toc a:hover { background: var(--color-bg-soft); color: var(--color-primary); }
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-toc { position: static; border-bottom: 1px solid var(--color-line); padding-bottom: 16px; }
  .doc-toc ol { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .doc-toc a { background: var(--color-bg-soft); font-size: 0.8rem; padding: 5px 11px; border-radius: 999px; }
}