@charset "utf-8";
/* =========================================================
   AI+ 인증 서브페이지 — sub.css
   (style.css 다음에 로드 / 공통 헤더·푸터·토큰은 style.css)
   ========================================================= */

/* ---------- 서브 비주얼 ---------- */
.subvisual {
  position: relative; overflow: hidden; padding: 72px 0 64px;
  background:
    repeating-linear-gradient(30deg, rgba(36, 84, 198, .06) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(150deg, rgba(36, 84, 198, .06) 0 1px, transparent 1px 46px),
    linear-gradient(180deg, #F1F4FC 0%, #E8EEFB 100%);
}
.subvisual__deco { position: absolute; right: max(40px, calc((100% - 1200px) / 2 + 40px)); top: 50%; transform: translateY(-50%); display: grid; grid-template-columns: repeat(2, 64px); gap: 14px; }
.subvisual__deco i { width: 64px; height: 64px; border-radius: 20px; background: #2E7DFE; opacity: .16; }
.subvisual__deco i:first-child { background: var(--navy); opacity: .2; }
.subvisual__inner { position: relative; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 14px; color: var(--muted); }
.breadcrumb li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb li + li::before { content: ""; width: 5px; height: 5px; margin-right: 4px; border-top: 1.4px solid #9AA6B8; border-right: 1.4px solid #9AA6B8; transform: rotate(45deg); }
.breadcrumb a { display: inline-flex; color: var(--sub); }
.breadcrumb .ico { width: 16px; height: 16px; }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 600; }
.subvisual__title { margin-top: 18px; font-size: 48px; font-weight: 800; line-height: 1.2; color: var(--navy); letter-spacing: -.035em; }
.subvisual__desc { margin-top: 10px; font-size: 17px; font-weight: 500; color: var(--sub); }

/* ---------- 2뎁스 탭 (스크롤 시 헤더 아래 고정) ---------- */
.subtab { position: sticky; top: var(--header-h); z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.subtab__inner { max-width: var(--inner); margin: 0 auto; padding: 0 var(--gutter); overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.subtab__inner::-webkit-scrollbar { display: none; }
.subtab__list { display: flex; justify-content: center; gap: 8px; min-width: max-content; }
.subtab__list a { position: relative; display: flex; align-items: center; height: 64px; padding: 0 22px; font-size: 16px; font-weight: 600; color: var(--sub); white-space: nowrap; transition: color .2s; }
.subtab__list a::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: -1px; height: 3px; border-radius: 2px; background: #2454C6; transform: scaleX(0); transition: transform .3s var(--ease); }
.subtab__list a:hover { color: var(--navy); }
.subtab__list a.is-active { color: var(--navy); font-weight: 800; }
.subtab__list a.is-active::after, .subtab__list a:hover::after { transform: scaleX(1); }

/* ---------- 서브 공통 ---------- */
.sub-sec { padding: 110px 0; }
.sub-head { text-align: center; margin-bottom: 52px; }
.sub-head .sub-p { margin-top: 14px; }
.sub-title { font-size: 38px; font-weight: 800; line-height: 1.32; color: var(--ink); letter-spacing: -.03em; }
.sub-lead { margin-top: 14px; font-size: 22px; font-weight: 700; color: #2454C6; }
.sub-p { font-size: 17px; line-height: 1.85; color: var(--body); }
.sub-p + .sub-p { margin-top: 14px; }
.sub-p strong, .why__list strong, .notice strong { color: var(--navy); font-weight: 700; }
.sub-note { margin-top: 28px; font-size: 14px; color: var(--muted); text-align: center; }

/* 아이콘 타일 (연한 블루 바탕 + 그라데이션 라인 아이콘) */
.icon-tile { flex: none; display: inline-flex; width: 60px; height: 60px; border-radius: 18px; align-items: center; justify-content: center; background: linear-gradient(145deg, #F5F8FF 0%, #E3EBFC 100%); box-shadow: inset 0 0 0 1px rgba(36, 84, 198, .10); }
.icon-tile .ico { width: 32px; height: 32px; stroke-width: 1.5; }
.icon-tile--lg { width: 76px; height: 76px; border-radius: 22px; }
.icon-tile--lg .ico { width: 42px; height: 42px; stroke-width: 1.4; }

.btn-primary { display: inline-flex; align-items: center; gap: 10px; height: 56px; padding: 0 28px; border-radius: 999px; background: var(--navy); color: #fff; font-size: 16px; font-weight: 700; transition: background .2s, gap .25s var(--ease); }
.btn-primary .ico { width: 20px; height: 20px; }
.btn-primary:hover { background: #2454C6; gap: 14px; }

/* ===== AI+ 인증이란 ===== */
.intro__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 72px; align-items: center; }
.intro__text .sub-lead + .sub-p { margin-top: 28px; }
.intro__visual {
  position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; min-height: 440px; padding: 48px; border-radius: 28px; color: #fff;
  background:
    repeating-linear-gradient(30deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(150deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 44px),
    linear-gradient(135deg, #3A6AF0 0%, #2454C6 50%, #142C78 100%);
  box-shadow: 0 28px 56px rgba(36, 84, 198, .25);
}
.brandmark { display: flex; align-items: flex-start; gap: 10px; }
.brandmark b { font-size: 120px; line-height: .9; font-weight: 900; letter-spacing: -.06em; }
.brandmark__dots { display: grid; grid-template-columns: repeat(2, 26px); gap: 8px; margin-top: 4px; }
.brandmark__dots i { width: 26px; height: 26px; border-radius: 50%; background: #9CC0FF; }
.brandmark__dots i:first-child { background: #fff; }
.intro__chips { display: flex; flex-wrap: wrap; gap: 10px; }
.intro__chips li { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 18px 0 14px; border-radius: 999px; background: rgba(255, 255, 255, .12); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .26); font-size: 15px; font-weight: 600; }
.intro__chips .ico { width: 22px; height: 22px; }

.why { background: #F5F7FB; }
.why__grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 72px; align-items: start; }
.why__head { position: sticky; top: calc(var(--header-h) + 100px); }
.why__quote { margin-top: 32px; padding-left: 22px; border-left: 3px solid #2454C6; font-size: 22px; font-weight: 700; line-height: 1.6; color: var(--navy); }
.why__list { display: flex; flex-direction: column; gap: 16px; }
.why__list li { display: flex; gap: 24px; align-items: flex-start; padding: 32px 36px; background: #fff; border-radius: 20px; box-shadow: 0 0 0 1px var(--line); }
.why__list p { font-size: 17px; line-height: 1.8; color: var(--body); }

.eval__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.eval__item { padding: 40px 36px 38px; border-radius: 22px; background: #fff; box-shadow: 0 0 0 1px var(--line); transition: box-shadow .3s, transform .3s var(--ease); }
.eval__item:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px #C9D6EA, 0 20px 40px rgba(16, 38, 76, .08); }
.eval__top { display: flex; justify-content: space-between; align-items: flex-start; }
.eval__num { font-size: 15px; font-weight: 800; letter-spacing: .06em; color: #8FA6D6; }
.eval__title { margin: 30px 0 10px; font-size: 24px; font-weight: 700; color: var(--ink); }
.eval__desc { font-size: 16px; line-height: 1.7; color: var(--sub); }

.trust {
  color: #fff;
  background:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 64px 100%,
    linear-gradient(160deg, #0E2F7A 0%, var(--navy-deep) 100%);
}
.trust__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 72px; align-items: center; }
.trust .sub-title { color: #fff; }
.trust .sub-p { margin-top: 24px; color: #C3CFE3; }
.trust__cards { display: flex; flex-direction: column; gap: 14px; }
.trust__cards li { display: flex; align-items: center; gap: 22px; padding: 30px 32px; border-radius: 20px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); }
.trust__cards .ico { width: 48px; height: 48px; stroke-width: 1.4; }
.trust__cards strong { display: block; font-size: 20px; font-weight: 700; }
.trust__cards p { margin-top: 4px; font-size: 16px; line-height: 1.6; color: #C3CFE3; }

/* ===== 인증 대상 ===== */
.scope__grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; align-items: start; }
.industry { margin-top: 64px; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 12px; }
.industry li { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 28px 8px 24px; border-radius: 20px; background: #F5F7FB; font-size: 16px; font-weight: 700; color: var(--ink); transition: background .3s, box-shadow .3s; }
.industry li:hover { background: #fff; box-shadow: 0 0 0 1px var(--line), 0 14px 28px rgba(16, 38, 76, .07); }
.industry .icon-tile { width: 68px; height: 68px; background: #fff; }
.industry .icon-tile .ico { width: 36px; height: 36px; }

.types { background: #F5F7FB; }
.types__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.type-card { display: flex; flex-direction: column; padding: 36px 32px 32px; border-radius: 22px; background: #fff; box-shadow: 0 0 0 1px var(--line); transition: box-shadow .3s, transform .3s var(--ease); }
.type-card:hover { transform: translateY(-4px); box-shadow: 0 0 0 1px #C9D6EA, 0 20px 40px rgba(16, 38, 76, .08); }
.type-card__head { display: flex; justify-content: space-between; align-items: flex-start; }
.type-card__num { font-size: 15px; font-weight: 800; letter-spacing: .06em; color: #8FA6D6; }
.type-card__title { margin: 26px 0 10px; font-size: 24px; font-weight: 800; color: var(--navy); }
.type-card__desc { font-size: 16px; line-height: 1.7; color: var(--sub); }
.type-card__tags { margin-top: auto; padding-top: 22px; display: flex; flex-wrap: wrap; gap: 6px; }
.type-card__tags li { display: inline-flex; align-items: center; height: 30px; padding: 0 12px; border-radius: 999px; background: #EEF3FC; font-size: 13px; font-weight: 600; color: #2454C6; }

.notice { display: flex; gap: 28px; align-items: flex-start; padding: 44px 48px; border-radius: 24px; background: #FFF; border: 1px solid #C9D6EA; box-shadow: 0 16px 36px rgba(16, 38, 76, .06); }
.notice__icon { flex: none; display: inline-flex; width: 72px; height: 72px; border-radius: 50%; align-items: center; justify-content: center; background: linear-gradient(145deg, #F5F8FF 0%, #E3EBFC 100%); }
.notice__icon .ico { width: 38px; height: 38px; stroke-width: 1.5; }
.notice__title { font-size: 24px; font-weight: 800; color: var(--ink); }
.notice__body p { margin-top: 12px; font-size: 17px; line-height: 1.8; color: var(--body); }

.contact-card { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 32px; padding: 32px 48px; border-radius: 24px; background: #F5F7FB; }
.contact-card__title { font-size: 18px; font-weight: 800; color: var(--ink); }
.contact-card__line { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 17px; font-weight: 600; color: var(--body); }
.contact-card__line a { display: inline-flex; align-items: center; gap: 8px; }
.contact-card__line a:hover { color: var(--navy); }
.contact-card__line .ico { width: 22px; height: 22px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .subvisual { padding: 56px 0 48px; }
  .subvisual__deco { grid-template-columns: repeat(2, 44px); gap: 10px; }
  .subvisual__deco i { width: 44px; height: 44px; border-radius: 14px; }
  .subtab__list { justify-content: flex-start; }
  .sub-sec { padding: 88px 0; }
  .intro__grid, .why__grid, .trust__grid, .scope__grid { grid-template-columns: 1fr; gap: 40px; }
  .why__head { position: static; }
  .intro__visual { min-height: 360px; }
  .industry { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .eval__list, .types__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .subvisual { padding: 40px 0 36px; }
  .subvisual__deco { display: none; }
  .breadcrumb { font-size: 13px; }
  .subvisual__title { margin-top: 12px; font-size: 32px; }
  .subvisual__desc { font-size: 15px; }
  .subtab__inner { padding: 0 8px; }
  .subtab__list { gap: 0; }
  .subtab__list a { height: 52px; padding: 0 14px; font-size: 15px; }
  .subtab__list a::after { left: 14px; right: 14px; }

  .sub-sec { padding: 64px 0; }
  .sub-head { margin-bottom: 32px; text-align: left; }
  .sub-title { font-size: 26px; }
  .sub-lead { margin-top: 10px; font-size: 18px; }
  .sub-p { font-size: 15px; line-height: 1.8; }
  .sub-note { text-align: left; font-size: 13px; line-height: 1.6; }

  .intro__text .sub-lead + .sub-p { margin-top: 20px; }
  .intro__visual { min-height: 280px; padding: 28px; border-radius: 22px; }
  .brandmark b { font-size: 80px; }
  .brandmark__dots { grid-template-columns: repeat(2, 18px); gap: 6px; }
  .brandmark__dots i { width: 18px; height: 18px; }
  .intro__chips li { height: 38px; padding: 0 14px 0 10px; font-size: 13px; }

  .why__quote { margin-top: 20px; padding-left: 16px; font-size: 18px; }
  .why__list li { flex-direction: column; gap: 16px; padding: 24px 22px; border-radius: 16px; }
  .why__list p { font-size: 15px; }
  .icon-tile { width: 52px; height: 52px; border-radius: 15px; }
  .icon-tile .ico { width: 28px; height: 28px; }
  .icon-tile--lg { width: 60px; height: 60px; border-radius: 18px; }
  .icon-tile--lg .ico { width: 34px; height: 34px; }

  .eval__list, .types__list { grid-template-columns: 1fr; gap: 12px; }
  .eval__item, .type-card { padding: 26px 22px; border-radius: 18px; }
  .eval__title, .type-card__title { margin: 18px 0 8px; font-size: 20px; }
  .eval__desc, .type-card__desc { font-size: 15px; }
  .type-card__tags { padding-top: 16px; }

  .trust__cards li { padding: 22px; gap: 16px; border-radius: 16px; }
  .trust__cards .ico { width: 38px; height: 38px; }
  .trust__cards strong { font-size: 17px; }
  .trust__cards p { font-size: 14px; }

  .industry { margin-top: 36px; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .industry li { gap: 10px; padding: 16px 4px 14px; border-radius: 14px; font-size: 13px; }
  .industry .icon-tile { width: 48px; height: 48px; border-radius: 14px; }
  .industry .icon-tile .ico { width: 28px; height: 28px; }

  .notice { flex-direction: column; gap: 18px; padding: 28px 22px; border-radius: 18px; }
  .notice__icon { width: 56px; height: 56px; }
  .notice__icon .ico { width: 30px; height: 30px; }
  .notice__title { font-size: 20px; }
  .notice__body p { font-size: 15px; }
  .contact-card { padding: 24px 22px; border-radius: 18px; }
  .contact-card__line { flex-direction: column; font-size: 15px; }
  .btn-primary { width: 100%; justify-content: center; height: 52px; font-size: 15px; }
}

/* 헤더: 현재 1뎁스 메뉴 표시 */
.gnb__link.is-current { color: var(--navy); font-weight: 800; }

/* =========================================================
   서브 비주얼 — 브랜드형 (네이비 → KSA 그린 그라데이션 + 로고 4점 모티프)
   적용: <section class="subvisual subvisual--brand">
   ========================================================= */
.subvisual--brand { padding: 84px 0 76px; color: #fff; background: linear-gradient(115deg, var(--navy) 0%, #01406F 50%, var(--teal) 100%); }
/* 하단 띠와 같은 동심원 라인 */
.subvisual--brand::before { content: ""; position: absolute; right: -140px; top: -220px; width: 560px; height: 560px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .12); box-shadow: 0 0 0 90px rgba(255, 255, 255, .03), 0 0 0 180px rgba(255, 255, 255, .02); pointer-events: none; }
/* 로고 AI+의 4개 모양: 좌상단 1개는 화이트 라인, 나머지 3개는 블루 */
.subvisual--brand .subvisual__deco { grid-template-columns: repeat(2, 88px); gap: 16px; right: max(60px, calc((100% - 1200px) / 2 + 60px)); }
.subvisual--brand .subvisual__deco i { width: 88px; height: 88px; border-radius: 50%; background: #2E7DFE; opacity: .55; }
.subvisual--brand .subvisual__deco i:first-child { background: rgba(255, 255, 255, .08); box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .55); opacity: 1; }
.subvisual--brand .subvisual__deco i:last-child { opacity: .35; }
/* 뒤쪽 큰 고스트 모티프 */
.subvisual--brand .subvisual__deco--ghost { grid-template-columns: repeat(2, 190px); gap: 34px; right: max(-80px, calc((100% - 1200px) / 2 - 140px)); top: 62%; }
.subvisual--brand .subvisual__deco--ghost i,
.subvisual--brand .subvisual__deco--ghost i:first-child,
.subvisual--brand .subvisual__deco--ghost i:last-child { width: 190px; height: 190px; background: none; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .10); opacity: 1; }
.subvisual--brand .breadcrumb { color: rgba(255, 255, 255, .72); }
.subvisual--brand .breadcrumb a { color: rgba(255, 255, 255, .85); }
.subvisual--brand .breadcrumb li + li::before { border-color: rgba(255, 255, 255, .55); }
.subvisual--brand .breadcrumb [aria-current] { color: #fff; }
.subvisual--brand .subvisual__title { color: #fff; }
.subvisual--brand .subvisual__desc { color: #C6D6EA; }

@media (max-width: 1024px) {
  .subvisual--brand { padding: 64px 0 56px; }
  .subvisual--brand .subvisual__deco { grid-template-columns: repeat(2, 56px); gap: 10px; right: 32px; }
  .subvisual--brand .subvisual__deco i { width: 56px; height: 56px; }
  .subvisual--brand .subvisual__deco--ghost { grid-template-columns: repeat(2, 120px); gap: 22px; right: -60px; }
  .subvisual--brand .subvisual__deco--ghost i { width: 120px !important; height: 120px !important; }
}
@media (max-width: 768px) {
  .subvisual--brand { padding: 44px 0 40px; }
  .subvisual--brand::before { width: 300px; height: 300px; right: -130px; top: -120px; }
  .subvisual--brand .subvisual__deco { display: grid; grid-template-columns: repeat(2, 26px); gap: 6px; right: 20px; top: 20px; transform: none; }
  .subvisual--brand .subvisual__deco i { width: 26px; height: 26px; }
  .subvisual--brand .subvisual__deco--ghost { display: none; }
}


/* =========================================================
   서브 공통 (확정 디자인) : 서브비주얼 / 2차메뉴 / 라벨 / 섹션 제목
   사용 페이지 : about.html, target.html (이후 서브페이지 공통)
   ========================================================= */
/* 배경 그라데이션 색 변화 : 네이비→그린 ⇄ 퍼플→블루 (16초 주기, @property 지원 브라우저에서 동작 / 미지원 시 기본 색 고정) */
@property --a2v-c1 { syntax: "<color>"; inherits: false; initial-value: #021B3D; }
@property --a2v-c2 { syntax: "<color>"; inherits: false; initial-value: #00316B; }
@property --a2v-c3 { syntax: "<color>"; inherits: false; initial-value: #01406F; }
@property --a2v-c4 { syntax: "<color>"; inherits: false; initial-value: #015257; }
.a2v { position: relative; overflow: hidden; height: 280px; --a2v-c1: #021B3D; --a2v-c2: #00316B; --a2v-c3: #01406F; --a2v-c4: #015257;
  background: linear-gradient(100deg, var(--a2v-c1) 0%, var(--a2v-c2) 46%, var(--a2v-c3) 76%, var(--a2v-c4) 100%);
  animation: a2vTone 16s ease-in-out infinite; }
@keyframes a2vTone {
  0%, 100% { --a2v-c1: #021B3D; --a2v-c2: #00316B; --a2v-c3: #01406F; --a2v-c4: #015257; }
  50% { --a2v-c1: #160F45; --a2v-c2: #2A2276; --a2v-c3: #2B40A6; --a2v-c4: #2D68D8; }
}
@media (prefers-reduced-motion: reduce) { .a2v { animation: none; } }
/* 배경 패턴 : 옅은 격자(우측으로 갈수록 선명) */
.a2v::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px) 0 0 / 100% 56px, linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px) 0 0 / 56px 100%;
  -webkit-mask: linear-gradient(90deg, transparent 10%, #000 70%); mask: linear-gradient(90deg, transparent 10%, #000 70%); }
/* 좌측 하단 작은 동심원 */
.a2v::after { content: ""; position: absolute; left: -140px; bottom: -220px; width: 360px; height: 360px; border-radius: 50%; pointer-events: none; background: repeating-radial-gradient(circle, transparent 0 35px, rgba(255, 255, 255, .07) 35px 36px);
  -webkit-mask: radial-gradient(circle, #000 30%, transparent 70%); mask: radial-gradient(circle, #000 30%, transparent 70%); }
/* 빛 번짐 그라데이션 */
.a2v__block { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(640px 320px at 80% 45%, rgba(84, 150, 255, .26), transparent 70%), radial-gradient(520px 260px at 20% 0%, rgba(84, 150, 255, .10), transparent 70%); }
/* 우측 동심원 라인 */
.a2v__ring { position: absolute; right: 4%; top: 50%; width: 640px; height: 640px; margin-top: -320px; border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 43px, rgba(255, 255, 255, .11) 43px 44px);
  -webkit-mask: radial-gradient(circle, #000 22%, transparent 68%); mask: radial-gradient(circle, #000 22%, transparent 68%); }
.a2v__ring::after { content: ""; position: absolute; left: 50%; top: 50%; width: 176px; height: 176px; margin: -88px 0 0 -88px; border-radius: 50%; border: 1px solid rgba(140, 190, 255, .45); box-shadow: 0 0 24px rgba(84, 150, 255, .35), inset 0 0 24px rgba(84, 150, 255, .2); animation: a2vGlow 4s ease-in-out infinite; }
/* 움직임 : 가운데 원에서 퍼져 나가는 라인 원 4개 (2초 간격) */
.a2v__ring i { position: absolute; left: 50%; top: 50%; width: 176px; height: 176px; margin: -88px 0 0 -88px; border-radius: 50%; border: 1.5px solid rgba(170, 210, 255, .8); opacity: 0; animation: a2vRipple 8s cubic-bezier(.2, .6, .35, 1) infinite; }
.a2v__ring i:nth-child(2) { animation-delay: 2s; }
.a2v__ring i:nth-child(3) { animation-delay: 4s; }
.a2v__ring i:nth-child(4) { animation-delay: 6s; }
/* 천천히 도는 점선 궤도 + 궤도 위 작은 점 */
.a2v__orbit { position: absolute; left: 50%; top: 50%; width: 300px; height: 300px; margin: -150px 0 0 -150px; border-radius: 50%; border: 1px dashed rgba(255, 255, 255, .24); animation: a2vSpin 40s linear infinite; }
.a2v__orbit::before { content: ""; position: absolute; left: 50%; top: -4px; width: 7px; height: 7px; margin-left: -3.5px; border-radius: 50%; background: #9CC3FF; box-shadow: 0 0 10px 2px rgba(120, 175, 255, .7); }
/* 가운데 로고(AI+) : 흰색으로 약하게 */
.a2v__mark { position: absolute; left: 50%; top: 50%; z-index: 1; width: 46px; height: auto; transform: translate(-50%, -50%); filter: brightness(0) invert(1); opacity: .3; animation: a2vMark 4s ease-in-out infinite; }
@keyframes a2vRipple { 0% { transform: scale(1); opacity: .75; } 100% { transform: scale(3.5); opacity: 0; } }
@keyframes a2vSpin { to { transform: rotate(360deg); } }
@keyframes a2vGlow { 0%, 100% { box-shadow: 0 0 16px rgba(84, 150, 255, .25), inset 0 0 16px rgba(84, 150, 255, .12); } 50% { box-shadow: 0 0 34px rgba(84, 150, 255, .5), inset 0 0 28px rgba(84, 150, 255, .3); } }
@keyframes a2vMark { 0%, 100% { opacity: .3; } 50% { opacity: .5; } }
@media (prefers-reduced-motion: reduce) { .a2v__ring i, .a2v__orbit, .a2v__ring::after, .a2v__mark { animation: none; } }
.a2v__inner { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.a2v__path { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .62); }
.a2v__path li { display: inline-flex; align-items: center; gap: 8px; }
.a2v__path li + li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: rgba(255, 255, 255, .4); }
.a2v__path .ico { width: 16px; height: 16px; }
.a2v__path [aria-current] { color: #fff; font-weight: 700; }
.a2v__title { margin-top: 16px; font-size: 52px; font-weight: 800; line-height: 1.15; letter-spacing: -.04em; color: #fff; }
.a2v__desc { margin-top: 12px; font-size: 18px; font-weight: 500; color: #C9D6EA; }
.a2tab { position: sticky; top: var(--header-h); z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.a2tab__inner { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.a2tab__inner::-webkit-scrollbar { display: none; }
/* 2차메뉴 : 메뉴 개수만큼 좌우 균등 분할 (2개면 50%:50%, 6개면 1/6씩) */
.a2tab__list { display: flex; }
.a2tab__list li { flex: 1 1 0; min-width: 0; }
.a2tab__list a { position: relative; display: flex; align-items: center; justify-content: center; height: 68px; padding: 0 12px; font-size: 16px; font-weight: 600; color: var(--muted); white-space: nowrap; transition: color .2s; }
.a2tab__list a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--navy); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.a2tab__list a:hover { color: var(--navy); }
.a2tab__list a:hover::after { transform: scaleX(1); }
.a2tab__list a.is-active { color: var(--navy); font-weight: 800; }
.a2tab__list a.is-active::after { transform: scaleX(1); height: 3px; }
.a2-label { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--navy); }
.a2-label img { width: 14px; height: 14px; }
.a2-h2 { margin-top: 14px; font-size: 42px; font-weight: 800; line-height: 1.3; letter-spacing: -.035em; color: var(--ink); }

@media (max-width: 1024px) {
  .a2v { height: 240px; }
  .a2v__ring { right: -6%; }
  .a2v__title { font-size: 46px; }
  .a2tab__list a { height: 60px; }
}

@media (max-width: 768px) {
  .a2v { height: 180px; }
  .a2v::after { display: none; }
  .a2v__ring { width: 360px; height: 360px; margin-top: -180px; right: -150px; }
  .a2v__ring::after { width: 100px; height: 100px; margin: -50px 0 0 -50px; }
  .a2v__ring i { width: 100px; height: 100px; margin: -50px 0 0 -50px; }
  .a2v__orbit { width: 170px; height: 170px; margin: -85px 0 0 -85px; }
  .a2v__mark { width: 28px; }
  .a2v__path { font-size: 12px; }
  .a2v__title { margin-top: 10px; font-size: 30px; }
  .a2v__desc { margin-top: 6px; font-size: 14px; }
  .a2tab__list { min-width: max-content; }
  .a2tab__list li { flex: 1 0 0; min-width: max-content; }
  .a2tab__list a { padding: 0 14px; }
  .a2tab__list a { height: 52px; font-size: 15px; }
  .a2-label { font-size: 13px; }
  .a2-h2 { font-size: 28px; }
}


/* =========================================================
   서브 공통 : 담당자 문의 띠 (.tg-contact) — target / type 페이지
   ========================================================= */
.tg-contact { position: relative; overflow: hidden; margin-top: 20px; border-radius: 22px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px 32px; padding: 40px 48px; background: #071B3E; color: #fff; }
.tg-contact::after { content: ""; position: absolute; right: -120px; top: -160px; width: 420px; height: 420px; border-radius: 50%; pointer-events: none; background: repeating-radial-gradient(circle, transparent 0 59px, rgba(111, 168, 255, .14) 59px 60px); }
.tg-contact > * { position: relative; z-index: 1; }
.tg-contact__title { font-size: 20px; font-weight: 800; }
.tg-contact__line { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px 32px; font-size: 18px; font-weight: 600; color: #D6DFEC; }
.tg-contact__line a { display: inline-flex; align-items: center; gap: 10px; transition: color .2s; }
.tg-contact__line a:hover { color: #fff; }
.tg-contact__line .ico { width: 22px; height: 22px; color: #6FA8FF; }
.tg-contact__btn { display: inline-flex; align-items: center; gap: 10px; height: 56px; padding: 0 30px; border-radius: 999px; background: #fff; color: var(--navy); font-size: 16px; font-weight: 800; transition: background .25s, color .25s; }
.tg-contact__btn .ico { width: 18px; height: 18px; transition: transform .25s; }
.tg-contact__btn:hover { background: #2454C6; color: #fff; }
.tg-contact__btn:hover .ico { transform: translateX(4px); }

@media (max-width: 768px) {
  .tg-contact { margin-top: 14px; padding: 28px 22px; border-radius: 18px; }
  .tg-contact__line { flex-direction: column; font-size: 16px; }
  .tg-contact__btn { width: 100%; justify-content: center; height: 52px; }
}

/* 숨김 텍스트 (스크린리더용) */
.blind { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }


/* =========================================================
   서브 공통 : AI+ 인증 3종 색상 + 코너 리본 (.rc-ribbon)
   프리미엄 = 네이비 / 스탠다드 = 그린 / 신뢰성 = 블루 — 인증 유형(type), 맞춤 인증 추천 결과(recommend)
   리본을 쓰는 박스는 overflow: visible 이어야 접힌 끝이 보임
   ========================================================= */
.rc-main--premium, .tp-card--premium, .rv-scope--premium, .cd-head--premium { --rb: #0B2E6E; --rb-dark: #051A45; --rb-tint: #EEF2FA; --rb-tint2: #E2E9F6; --rb-line: #C9D5EC; --rb-ring: rgba(11, 46, 110, .07); }
.rc-main--standard, .tp-card--standard, .rv-scope--standard, .cd-head--standard { --rb: #0A7A5C; --rb-dark: #04503B; --rb-tint: #EEF8F4; --rb-tint2: #DDF1E8; --rb-line: #BCE2D2; --rb-ring: rgba(10, 122, 92, .08); }
.rc-main--trust, .tp-card--trust, .rv-scope--trust, .cd-head--trust { --rb: #1F6FEB; --rb-dark: #1147A6; --rb-tint: #EEF4FF; --rb-tint2: #E0EBFE; --rb-line: #C3D7FB; --rb-ring: rgba(31, 111, 235, .08); }
.rc-ribbon { position: absolute; left: -9px; top: -9px; z-index: 2; width: 128px; height: 128px; overflow: hidden; pointer-events: none; }
.rc-ribbon::before, .rc-ribbon::after { content: ""; position: absolute; z-index: -1; border: 5px solid var(--rb-dark); border-top-color: transparent; border-left-color: transparent; }
/* 카드 쪽 ".rc-main > *" 등 position 지정보다 우선 */
.rc-main > .rc-ribbon, .tp-card > .rc-ribbon, .rv-scope > .rc-ribbon, .cd-head > .rc-ribbon { position: absolute; z-index: 2; }
.rc-ribbon::before { top: 0; right: 0; }
.rc-ribbon::after { bottom: 0; left: 0; }
.rc-ribbon span { position: absolute; right: -24px; top: 30px; display: block; width: 188px; padding: 8px 0; transform: rotate(-45deg); background: var(--rb); box-shadow: 0 5px 12px rgba(0, 0, 0, .18); color: #fff; text-align: center; font-size: 13px; font-weight: 800; letter-spacing: .14em; }

@media (max-width: 768px) {
  .rc-ribbon { left: -7px; top: -7px; width: 100px; height: 100px; }
  .rc-ribbon::before, .rc-ribbon::after { border-width: 4px; }
  .rc-ribbon span { right: -22px; top: 22px; width: 150px; padding: 6px 0; font-size: 11px; letter-spacing: .12em; }
}


/* =========================================================
   서브 공통 : 페이지 번호 (.paging) — 자주 묻는 질문 등 목록형 페이지
   ========================================================= */
.paging { margin-top: 48px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.paging__nums { display: flex; gap: 6px; margin: 0 8px; }
.paging a { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 6px; border-radius: 50%; font-size: 15px; font-weight: 600; color: var(--sub); transition: background .2s, color .2s, border-color .2s; }
.paging__nums a:hover { background: #F4F6FA; color: var(--navy); }
.paging__nums a.is-current { background: var(--navy); color: #fff; font-weight: 800; }
.paging__arrow { position: relative; border: 1px solid var(--line-2); }
.paging__arrow::before, .paging__arrow::after { content: ""; position: absolute; top: 50%; width: 7px; height: 7px; margin-top: -4px; border-left: 1.8px solid currentColor; border-bottom: 1.8px solid currentColor; }
.paging__prev::before { left: 50%; margin-left: -2px; transform: rotate(45deg); }
.paging__next::before { left: 50%; margin-left: -5px; transform: rotate(-135deg); }
.paging__first::before { left: 50%; margin-left: -6px; transform: rotate(45deg); }
.paging__first::after { left: 50%; margin-left: 0; transform: rotate(45deg); }
.paging__last::before { left: 50%; margin-left: -9px; transform: rotate(-135deg); }
.paging__last::after { left: 50%; margin-left: -3px; transform: rotate(-135deg); }
.paging__arrow:not(.paging__first):not(.paging__last)::after { display: none; }
.paging__arrow:hover { border-color: var(--navy); color: var(--navy); }
.paging .is-disabled { opacity: .35; pointer-events: none; }

@media (max-width: 768px) {
  .paging { margin-top: 32px; gap: 4px; }
  .paging__nums { gap: 2px; margin: 0 4px; }
  .paging a { min-width: 34px; height: 34px; font-size: 14px; }
}