/* 서비스소개 화면 — site.css 의 절제된 원칙을 따른다(가는 선, 강조색 하나, 색 타일·그라데이션 없음) */
.intro-body { background: #fff; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; border-top: 1px solid var(--s-line-soft); }
.section--tint { background: var(--s-bg); }
.section__head { max-width: 760px; margin-bottom: 32px; }
.section__title { margin: 0; font-size: 28px; font-weight: 700; line-height: 1.36; letter-spacing: -.02em; }
.section__desc { margin: 10px 0 0; color: var(--s-ink-3); font-size: 16px; line-height: 1.6; }
.text-link { color: var(--s-accent); text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover { color: var(--s-accent-ink); }

/* ---------- 상단 내비 ---------- */
.intro-header { position: sticky; top: 0; z-index: 50; }
.intro-nav { display: flex; align-items: center; gap: 26px; }
.intro-nav a { color: var(--s-ink); font-size: 15px; font-weight: 600; }
.intro-nav a:hover { color: var(--s-ink); }
.intro-nav .btn { min-height: 40px; padding: 0 16px; font-size: 15px; }
.intro-nav .btn--primary { color: #fff; }
.intro-nav .btn--ghost { color: var(--s-ink); }
.intro-nav .btn + .btn { margin-left: -14px; }
.intro-nav__sep { width: 1px; height: 18px; background: var(--s-line); }
.nav-toggle { display: none; width: 40px; height: 40px; border: 0; background: transparent; color: var(--s-ink); border-radius: 6px; }

/* ---------- 첫 화면 ---------- */
.hero { padding: 64px 0 0; }
.hero__status { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-size: 14px; font-weight: 600; color: var(--s-ink-2); }
.hero__dot { width: 7px; height: 7px; border-radius: 50%; background: #c98a00; }
.hero__title { margin: 14px 0 0; max-width: 820px; font-size: 42px; font-weight: 600; line-height: 1.24; letter-spacing: -.03em; }
.hero__lead { margin: 18px 0 0; max-width: 640px; font-size: 18px; color: var(--s-ink-2); line-height: 1.6; }
.hero__cta { margin-top: 30px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero__note { margin: 18px 0 0; max-width: 640px; font-size: 14px; color: var(--s-ink-3); line-height: 1.6; }

/* 제품 화면 캡처 액자: 가는 선, 작은 모서리 */
.shot { margin: 0; }
.shot img { width: 100%; height: auto; border: 1px solid var(--s-line); border-radius: var(--s-r-md); background: var(--s-bg); }
.shot figcaption { margin-top: 10px; font-size: 13px; color: var(--s-ink-3); }
.shot--hero { margin: 48px 0 0; }
.shot--hero img { border-bottom-left-radius: 0; border-bottom-right-radius: 0; border-bottom: 0; }
.shot--hero figcaption { padding: 10px 0 18px; border-top: 1px solid var(--s-line); margin-top: 0; }

/* ---------- 탭(밑줄형) ---------- */
.tabs__list { display: flex; gap: 4px; border-bottom: 1px solid var(--s-line); margin-bottom: 28px; overflow-x: auto; }
.tabs__tab { flex: none; height: 48px; padding: 0 14px; border: 0; background: none; font-size: 16px; font-weight: 600; color: var(--s-ink-3); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs__tab:hover { color: var(--s-ink); }
.tabs__tab[aria-selected="true"] { color: var(--s-ink); font-weight: 600; border-bottom-color: var(--s-ink); }
[role="tabpanel"][hidden] { display: none; }

/* 화면 둘러보기 */
.tour { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr); gap: 40px; align-items: start; }
.tour__text h3 { margin: 6px 0 10px; font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.tour__text p { margin: 0; color: var(--s-ink-2); font-size: 16px; line-height: 1.7; }

/* ---------- 기능 6가지: 색 타일 없이 선 아이콘 + 가는 구분선 ---------- */
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature { padding: 24px; border: 1px solid var(--s-line); border-radius: var(--s-r-md); background: var(--s-surface); }
.feature__icon { width: 22px; height: 22px; fill: none; stroke: var(--s-ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.feature__title { margin: 14px 0 6px; font-size: 16px; font-weight: 600; }
.feature__text { margin: 0; color: var(--s-ink-2); font-size: 15px; line-height: 1.65; }

/* ---------- 사무소 ↔ 고객 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--s-line); border-radius: var(--s-r-md); background: #fff; overflow: hidden; }
.split__col { padding: 30px 32px; }
.split__col + .split__col { border-left: 1px solid var(--s-line); }
.split__col h3 { margin: 0; font-size: 19px; font-weight: 700; }
.split__sub { margin: 4px 0 18px; color: var(--s-ink-3); font-size: 14px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15.5px; color: var(--s-ink); }
.ticks li { position: relative; padding-left: 22px; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 9px; width: 10px; height: 5px; border-left: 1.6px solid var(--s-accent); border-bottom: 1.6px solid var(--s-accent); transform: rotate(-45deg); }

/* ---------- 업무 비교 ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--s-line); border-radius: var(--s-r-md); overflow: hidden; }
.compare__col { padding: 26px 30px; }
.compare__col + .compare__col { border-left: 1px solid var(--s-line); }
.compare__col h3 { margin: 0 0 14px; font-size: 15px; font-weight: 600; color: var(--s-ink-3); }
.compare__col--new { background: #fbfcfe; }
.compare__col--new h3 { color: var(--s-accent-ink); }
.compare__col ul { margin: 0; padding-left: 18px; display: grid; gap: 9px; font-size: 15.5px; }

/* ---------- 요금 ---------- */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan { padding: 24px; display: flex; flex-direction: column; border: 1px solid var(--s-line); border-radius: var(--s-r-md); background: #fff; }

.plan--pick { border: 2px solid var(--s-ink); padding: 23px; }
.plan__name { margin: 0; font-size: 15px; font-weight: 600; color: var(--s-ink-2); display: flex; align-items: center; gap: 8px; }
.plan__pick { font-size: 11px; font-weight: 600; color: var(--s-ink); background: #fff; border: 1px solid var(--s-line); border-radius: 999px; padding: 3px 9px; box-shadow: var(--s-shadow); }
.plan__who { margin: 8px 0 4px; font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.plan__price { margin: 0 0 22px; font-size: 14px; color: var(--s-ink-3); }
.plan .ticks { margin-bottom: 26px; flex: 1; font-size: 15px; }
.plans__note { margin: 16px 0 0; color: var(--s-ink-3); font-size: 14px; }

/* ---------- 보안 원칙 ---------- */
.trust { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.trust li { padding: 24px; border: 1px solid var(--s-line); border-radius: var(--s-r-md); }
.trust h3 { margin: 0 0 8px; font-size: 17px; font-weight: 600; }
.trust p { margin: 0; color: var(--s-ink-2); font-size: 15px; line-height: 1.65; }

/* ---------- 도입 상담 ---------- */
.contact-section { background: var(--s-surface); }
.contact { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.contact__addr { margin: 14px 0 0; font-size: 15px; color: var(--s-ink-2); }
.contact__addr strong { color: var(--s-ink); }
.contact__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 바닥글 ---------- */
.site-footer { background: var(--s-bg); color: var(--s-ink-3); font-size: 14px; padding: 48px 0; border-top: 1px solid var(--s-line); }
.site-footer__top { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid var(--s-line); margin-bottom: 20px; }
.site-footer__links { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer__links a, .site-footer__links button { color: var(--s-ink); background: none; border: 0; padding: 4px 0; font-size: 14px; }
.site-footer__links a:hover, .site-footer__links button:hover { color: var(--s-ink); text-decoration: underline; text-underline-offset: 3px; }
.site-footer address { font-style: normal; line-height: 1.9; }
.site-footer address span { white-space: nowrap; }
.site-footer address span + span::before { content: "·"; content: "·" / ""; margin: 0 10px; color: var(--s-line-strong); }
.site-footer__copy { margin-top: 10px; font-size: 13px; }

/* ---------- 반응형 ---------- */
@media (max-width: 1000px) {
  .intro-nav { gap: 18px; }
  .hero__title { font-size: 40px; }
  .tour { grid-template-columns: 1fr; gap: 20px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; }
  .intro-nav { display: none; position: absolute; top: 58px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--s-line); flex-direction: column; align-items: stretch; gap: 0; padding: 6px 16px 16px; }
  .intro-nav.is-open { display: flex; }
  .intro-nav a { padding: 12px 2px; border-bottom: 1px solid var(--s-line); }
  .intro-nav__sep { display: none; }
  .intro-nav .btn { margin: 10px 0 0; min-height: 44px; border-bottom: 1px solid var(--s-line-strong); }
  .intro-nav .btn--primary { border-bottom-color: transparent; }
  .intro-nav .btn + .btn { margin-left: 0; }
}
@media (max-width: 760px) {
  .section { padding: 48px 0; }
  .section__head { margin-bottom: 28px; }
  .section__title { font-size: 22px; }
  .section__desc { font-size: 16px; }
  .hero { padding-top: 48px; }
  .hero__title { font-size: 30px; }
  .hero__lead { font-size: 17px; }
  .shot--hero { margin-top: 36px; }
  .features { grid-template-columns: 1fr; }
  .feature { padding: 22px 20px; }
  .split, .compare { grid-template-columns: 1fr; }
  .split__col + .split__col, .compare__col + .compare__col { border-left: 0; border-top: 1px solid var(--s-line); }
  .split__col, .compare__col { padding: 22px 20px; }
  .trust { grid-template-columns: 1fr; gap: 24px; }
  .contact__actions { width: 100%; }
  .contact__actions .btn { flex: 1 1 150px; }
  .site-footer address span { display: block; }
  .site-footer address span + span::before { content: none; }
  .site-footer address br { display: none; }
}