/* =====================================================
   수원·화성 레미콘 안전보건관리 협의체
   Main Stylesheet
   ===================================================== */

/* ── 기본 변수 ──────────────────────────────────────── */
:root {
  /* ── 안전 상징 색상 팔레트 ──────────────────────────
     Primary  : 안전 하늘색  — 신뢰·청결·공공기관
     Accent   : 안전 오렌지  — 안전모·조끼 국제표준색
     Green    : 안전 초록    — 안전 통과·합격
  ─────────────────────────────────────────────────── */
  --primary:       #0284C7;   /* 안전 하늘파랑 */
  --primary-dark:  #0369A1;   /* 진한 안전 파랑 */
  --primary-light: #38BDF8;   /* 밝은 하늘색 */
  --accent:        #F97316;   /* 안전 오렌지 (안전모색) */
  --accent-dark:   #EA580C;   /* 진한 오렌지 */
  --green:         #16A34A;   /* 안전 초록 */
  --green-light:   #22C55E;   /* 밝은 초록 */
  --red:           #DC2626;
  --white:         #ffffff;
  --gray-50:       #F0F9FF;   /* 하늘빛 연한 배경 */
  --gray-100:      #E0F2FE;   /* 하늘빛 배경 */
  --gray-200:      #BAE6FD;
  --gray-300:      #7DD3FC;
  --gray-400:      #94A3B8;
  --gray-500:      #64748B;
  --gray-600:      #475569;
  --gray-700:      #334155;
  --gray-800:      #1E293B;
  --gray-900:      #0C1A2E;   /* 진한 네이비 (최소한 사용) */

  --font-main: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 25px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 40px rgba(0,0,0,.14);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --header-height: 72px;
  --transition:    all .3s cubic-bezier(.4,0,.2,1);
}

/* ── Reset / Base ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Section Commons ─────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--primary);
  background: rgba(2,132,199,.1);
  border: 1px solid rgba(2,132,199,.2);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(245,130,13,.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,130,13,.45);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ========================================================
   HEADER  (공공기관 2단 헤더)
   ======================================================== */
:root {
  --topbar-height: 34px;
  --header-main-height: 80px;
  --header-height: calc(var(--topbar-height) + var(--header-main-height));
}

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,.15);
}

/* ── 상단 인포바 ─────────────────────────── */
.header-topbar {
  background: #0C3B6E;
  height: var(--topbar-height);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.header-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.topbar-label {
  font-size: .72rem;
  color: rgba(255,255,255,.7);
  display: flex; align-items: center; gap: 6px;
  letter-spacing: .02em;
}
.topbar-label i { color: var(--accent); font-size: .68rem; }
.topbar-actions {
  display: flex; align-items: center; gap: 4px;
}
.topbar-link {
  font-size: .72rem; color: rgba(255,255,255,.65);
  padding: 0 10px;
  display: flex; align-items: center; gap: 5px;
  transition: var(--transition);
  height: var(--topbar-height);
}
.topbar-link:hover { color: var(--white); }
.topbar-link i { font-size: .65rem; }
.topbar-sep { color: rgba(255,255,255,.2); font-size: .7rem; }

/* ── 메인 헤더바 ─────────────────────────── */
.header-main {
  background: var(--white);
  border-bottom: 3px solid var(--primary);
  box-shadow: 0 2px 16px rgba(2,132,199,.10);
}
.site-header.scrolled .header-main {
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-main-height);
  gap: 16px;
}

/* ── 로고 엠블럼 ─────────────────────────── */
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
  overflow: visible;
  min-width: 0;
}
/* ── 로고 이미지 (CORE24 교체) ─────────────── */
.logo-img-wrap {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  display: block;
}
/* Footer 로고 이미지 */
.footer-logo-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
}
/* Mobile 로고 이미지 */
.mobile-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.4;
  border-left: 3px solid var(--primary);
  padding-left: 14px;
  gap: 3px;
}
.logo-main {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: -.015em;
  white-space: nowrap;
  display: block;
}
.logo-sub {
  font-size: .78rem;
  color: var(--gray-600);
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  display: block;
}
.logo-sub2 {
  display: none;
}

/* ── 네비게이션 ──────────────────────────── */
.main-nav { flex: 1; display: flex; justify-content: flex-end; }
.nav-list {
  display: flex;
  align-items: stretch;
  height: var(--header-main-height);
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 15px;
  height: 100%;
  font-size: .84rem;
  font-weight: 700;
  color: var(--gray-700);
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
  letter-spacing: -.01em;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 15px; right: 15px;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform .25s ease;
  border-radius: 3px 3px 0 0;
}
.nav-item:hover > .nav-link { color: var(--primary); }
.nav-item:hover > .nav-link::after { transform: scaleX(1); }

.nav-arrow {
  font-size: .6rem;
  color: var(--gray-400);
  transition: transform .25s ease;
}
.nav-item:hover > .nav-link .nav-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

/* 공지사항 CTA 버튼 */
.nav-item--cta { margin-left: 8px; }
.nav-link--cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0 18px;
  border-radius: 0;
  gap: 7px;
  font-size: .83rem;
}
.nav-link--cta::after { display: none; }
.nav-link--cta:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
}
.nav-link--cta i { font-size: .8rem; }

/* ── 드롭다운 ────────────────────────────── */
.dropdown-wrap {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 200;
  padding-top: 6px;
}
.nav-item:hover .dropdown-wrap {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu {
  background: var(--white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,.14);
  min-width: 190px;
  border-top: 3px solid var(--primary);
  overflow: hidden;
}
.dropdown-menu li a {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 20px;
  font-size: .84rem;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-50);
  transition: var(--transition);
}
.dropdown-menu li:last-child a { border-bottom: none; }
.dropdown-menu li a i {
  font-size: .45rem;
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.dropdown-menu li a:hover {
  color: var(--primary);
  background: var(--gray-50);
  padding-left: 26px;
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-menu-toggle:hover { background: var(--gray-100); }
.hamburger-line {
  width: 24px; height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav */
.mobile-nav-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1010;
  backdrop-filter: blur(4px);
}
.mobile-nav-overlay.active { display: block; }

.mobile-nav {
  position: fixed;
  top: 0; right: -100%;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--white);
  z-index: 1020;
  transition: right .35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.mobile-nav.open { right: 0; }

.mobile-nav-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid #BAE6FD;
  background: #F0F9FF;
}
.mobile-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: .9rem; font-weight: 700;
  color: var(--primary-dark);
}
.mobile-logo i { color: var(--accent); font-size: 1.3rem; }
.mobile-nav-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-size: 1.1rem;
  transition: var(--transition);
}
.mobile-nav-close:hover { background: var(--gray-200); color: var(--gray-900); }

.mobile-nav-list { padding: 12px 0; }
.mobile-nav-item a {
  display: flex; align-items: center; gap: 12px;
  padding: 15px 24px;
  font-size: .95rem; font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid #E0F2FE;
  transition: var(--transition);
}
.mobile-nav-item a:hover {
  color: var(--primary);
  background: rgba(26,79,173,.04);
  padding-left: 30px;
}
.mobile-nav-item a i { width: 20px; color: var(--primary); }

/* ========================================================
   HERO SECTION  (공장 씬 + 강화된 타이포그래피)
   ======================================================== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 680px;
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero-slider {
  position: relative;
  width: 100%; height: 100%;
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; z-index: 1; }

/* ── 배경 레이어 ───────────────────────────── */
.hero-bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-bg--factory {
  /* 밝은 하늘 + 산업 그라디언트 */
  background: linear-gradient(180deg,
    #0C3B6E 0%,
    #1255A1 30%,
    #1A6FBF 60%,
    #0E5499 100%
  );
}
.hero-bg--quality {
  background: linear-gradient(135deg, #064E3B 0%, #065F46 50%, #047857 100%);
}
.hero-bg--esg {
  background: linear-gradient(135deg, #0C4A6E 0%, #075985 50%, #0369A1 100%);
}

/* ── 공장 씬 SVG 레이어 ─────────────────── */
.factory-scene {
  position: absolute; inset: 0;
  overflow: hidden;
}
.sky-layer {
  position: absolute; inset: 0;
  background:
    /* 태양 광선 효과 */
    radial-gradient(ellipse 70% 60% at 75% 20%, rgba(255,230,100,.15) 0%, transparent 65%),
    /* 하늘빛 */
    radial-gradient(ellipse 50% 50% at 20% 15%, rgba(100,200,255,.12) 0%, transparent 60%),
    /* 밝은 하늘 강조 */
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(56,189,248,.1) 0%, transparent 50%);
}

/* 건물들 */
.factory-buildings {
  position: absolute;
  bottom: 26%; left: 0; right: 0;
  height: 55%;
}
.building {
  position: absolute;
  bottom: 0;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-bottom: none;
}
.b1 { left: 5%;  width: 14%; height: 75%; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); }
.b2 { left: 18%; width: 10%; height: 55%; background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.10); }
.b3 { left: 60%; width: 18%; height: 80%; background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.14); }
.b4 { right: 5%; width: 12%; height: 60%; background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.10); }

/* 굴뚝 */
.chimney {
  position: absolute;
  bottom: 0;
  width: 28px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-bottom: none;
}
.c1 { left: 28%; height: 55%; }
.c2 { right: 22%; height: 45%; }
.smoke {
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
  animation: smokeDrift 4s ease-in infinite;
}
@keyframes smokeDrift {
  0%   { opacity: .8; transform: translateX(-50%) translateY(0) scale(1); }
  100% { opacity: 0; transform: translateX(-30%) translateY(-60px) scale(3); }
}

/* 사일로 */
.silo {
  position: absolute;
  bottom: 0;
  border-radius: 50% 50% 0 0 / 30% 30% 0 0;
  border: 1px solid rgba(255,255,255,.07);
  border-bottom: none;
}
.s1 { left: 45%;  width: 50px; height: 38%; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); }
.s2 { left: 49%;  width: 44px; height: 34%; background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); }
.s3 { left: 53%;  width: 50px; height: 40%; background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.20); }

/* 트럭 레이어 */
.truck-layer {
  position: absolute;
  bottom: 25%; left: 0; right: 0;
  height: 70px;
}
.truck { position: absolute; bottom: 0; }
.truck-1 { left: -120px; animation: truckMove 18s linear infinite; }
@keyframes truckMove {
  0%   { left: -150px; }
  100% { left: 110%; }
}
.truck-body {
  position: absolute;
  bottom: 14px; left: 20px;
  width: 90px; height: 32px;
  background: rgba(249,115,22,.75);
  border-radius: 3px 6px 0 0;
  border: 1px solid rgba(255,200,100,.4);
}
.truck-drum {
  position: absolute;
  bottom: 22px; left: 30px;
  width: 50px; height: 28px;
  border-radius: 50%;
  background: rgba(234,88,12,.7);
  border: 1px solid rgba(255,180,80,.35);
  animation: drumSpin 2s linear infinite;
  transform-origin: center;
}
@keyframes drumSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.truck-cab {
  position: absolute;
  bottom: 14px; left: 0;
  width: 28px; height: 36px;
  background: rgba(2,132,199,.75);
  border-radius: 4px 0 0 0;
  border: 1px solid rgba(56,189,248,.35);
}
.truck-wheel {
  position: absolute;
  bottom: 0;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(15,23,42,.9);
  border: 2px solid rgba(250,250,250,.5);
}
.w1 { left: 8px; }
.w2 { left: 65px; }
.w3 { left: 95px; }

/* 작업자 실루엣 */
.worker-layer {
  position: absolute;
  bottom: 25%; left: 0; right: 0;
  height: 80px;
}
.worker {
  position: absolute;
  bottom: 0;
}
.worker-1 { left: 38%; }
.worker-2 { left: 42%; }
.worker-3 { left: 48%; }
.worker-hat {
  width: 22px; height: 9px;
  background: rgba(249,115,22,.95);  /* 안전 오렌지 안전모 */
  border-radius: 50% 50% 0 0;
  margin: 0 auto 2px;
  position: relative;
}
.worker-hat::before {
  content: '';
  position: absolute;
  bottom: 0; left: -2px; right: -2px;
  height: 3px;
  background: rgba(255,200,80,.8);
}
.worker-body {
  width: 16px; height: 30px;
  background: rgba(2,132,199,.8);   /* 안전 파랑 작업복 */
  border-radius: 3px 3px 0 0;
  margin: 0 auto;
  border: 1px solid rgba(56,189,248,.4);
}
.worker-2 .worker-hat { background: rgba(234,179,8,.95); }   /* 노란 안전모 */
.worker-3 .worker-hat { background: rgba(249,115,22,.95); }

/* 지면 */
.ground-layer {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 26%;
  background: linear-gradient(180deg, rgba(3,64,120,.5) 0%, rgba(2,40,80,.8) 100%);
  border-top: 1px solid rgba(56,189,248,.15);
}

/* 오버레이 */
.bg-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(2,40,100,.82) 0%, rgba(2,40,100,.5) 60%, rgba(2,40,100,.18) 100%),
    linear-gradient(0deg, rgba(0,20,60,.55) 0%, transparent 50%);
}

/* Slide 2/3 배경 장식 */
.hero-bg--quality::before, .hero-bg--esg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 40%, rgba(255,255,255,.04) 0%, transparent 70%),
    repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(255,255,255,.012) 60px, rgba(255,255,255,.012) 120px);
}
.hero-bg--quality::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 35%;
  background: linear-gradient(0deg, rgba(0,0,0,.5) 0%, transparent 100%);
}
.hero-bg--esg::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 35%;
  background: linear-gradient(0deg, rgba(0,0,0,.5) 0%, transparent 100%);
}

/* ── 히어로 콘텐츠 ─────────────────────── */
.hero-content {
  position: relative;
  z-index: 5;
  max-width: 780px;
  padding-top: 20px;
}
.hero-slide.active .hero-content {
  animation: heroFadeUp .95s ease both;
}
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 인증 뱃지 */
.hero-cert-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.45);
  color: rgba(255,255,255,.95);
  padding: 7px 18px;
  border-radius: 50px;
  font-size: .76rem; font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
}
.hero-cert-badge i { color: var(--accent); font-size: .85rem; }
.hero-cert-badge--green { background: rgba(20,100,60,.25); border-color: rgba(80,200,120,.3); }
.hero-cert-badge--green i { color: #4ade80; }
.hero-cert-badge--orange { background: rgba(180,80,10,.25); border-color: rgba(255,160,60,.3); }
.hero-cert-badge--orange i { color: #fb923c; }

/* 메인 제목 */
.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -.02em;
  text-shadow: 0 2px 30px rgba(0,0,0,.3);
}
.hero-title-break { display: block; }
.hero-accent-line {
  position: relative;
  display: inline-block;
  color: var(--accent);
}
.hero-accent-line::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  opacity: .4;
}
.hero-accent-line--green { color: #4ade80; }
.hero-accent-line--green::after { background: #4ade80; }
.hero-accent-line--orange { color: #fb923c; }
.hero-accent-line--orange::after { background: #fb923c; }

/* 서브 문구 */
.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  line-height: 1.75;
  margin-bottom: 30px;
  font-weight: 400;
}
.hero-sub strong { color: var(--white); font-weight: 700; }

/* 인포 행 */
.hero-info-row {
  display: flex; align-items: center; gap: 0;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 0;
}
.hero-info-item {
  display: flex; align-items: center; gap: 9px;
  font-size: .83rem; font-weight: 600;
  color: rgba(255,255,255,.75);
  padding: 0 20px;
}
.hero-info-item:first-child { padding-left: 0; }
.hero-info-item i {
  width: 32px; height: 32px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  color: var(--accent);
  flex-shrink: 0;
}
.hero-info-divider {
  width: 1px; height: 24px;
  background: rgba(255,255,255,.2);
  flex-shrink: 0;
}

/* 버튼 */
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  min-width: 220px;
}
.hero-btn-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.hero-btn-text {
  display: flex; flex-direction: column; line-height: 1.2; flex: 1;
}
.hero-btn-label { font-size: .9rem; font-weight: 800; }
.hero-btn-sub   { font-size: .72rem; opacity: .75; margin-top: 2px; }
.hero-btn-arrow { font-size: .75rem; transition: transform .25s ease; }
.hero-btn:hover .hero-btn-arrow { transform: translateX(4px); }

.hero-btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(245,130,13,.4);
}
.hero-btn--primary .hero-btn-icon { background: rgba(255,255,255,.15); color: var(--white); }
.hero-btn--primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,130,13,.5); }
.hero-btn--primary.hero-btn--green { background: #16a34a; box-shadow: 0 4px 20px rgba(22,163,74,.35); }
.hero-btn--primary.hero-btn--green:hover { background: #15803d; }
.hero-btn--primary.hero-btn--orange { background: #ea580c; box-shadow: 0 4px 20px rgba(234,88,12,.35); }
.hero-btn--primary.hero-btn--orange:hover { background: #c2410c; }

.hero-btn--outline {
  background: rgba(255,255,255,.08);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
  backdrop-filter: blur(8px);
}
.hero-btn--outline .hero-btn-icon { background: rgba(255,255,255,.1); color: rgba(255,255,255,.9); }
.hero-btn--outline:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.6); transform: translateY(-2px); }

/* ── 슬라이더 컨트롤 ────────────────────── */
.hero-controls {
  position: absolute;
  bottom: 44px; left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex; align-items: center; gap: 16px;
}
.hero-prev, .hero-next {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.25);
  color: var(--white);
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.hero-prev:hover, .hero-next:hover { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.5); }

.hero-dots { display: flex; gap: 8px; align-items: center; }
.hero-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  border: none;
  transition: var(--transition);
  cursor: pointer;
}
.hero-dot.active { background: var(--white); width: 26px; border-radius: 4px; }

/* 프로그레스 바 */
.hero-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,.1);
  z-index: 10;
}
.hero-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width linear;
}

/* 스크롤 인디케이터 */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px; right: 44px;
  z-index: 10;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .68rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
}
.scroll-mouse {
  width: 22px; height: 34px;
  border: 1.5px solid rgba(255,255,255,.35);
  border-radius: 12px;
  display: flex; justify-content: center; padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: rgba(255,255,255,.5);
  border-radius: 2px;
  animation: scrollWheel 1.8s ease infinite;
}
@keyframes scrollWheel {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* ========================================================
   STATS SECTION
   ======================================================== */
.stats-section {
  /* 밝은 안전 하늘색 그라디언트 */
  background: linear-gradient(135deg, #0369A1 0%, #0284C7 50%, #0EA5E9 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      -45deg, transparent, transparent 24px,
      rgba(255,255,255,.04) 24px, rgba(255,255,255,.04) 48px
    ),
    radial-gradient(ellipse 60% 80% at 90% 50%, rgba(255,255,255,.08) 0%, transparent 60%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  border-right: 1px solid rgba(255,255,255,.1);
  transition: var(--transition);
}
.stat-card:last-child { border-right: none; }
.stat-card:hover { background: rgba(255,255,255,.04); }

.stat-icon {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 16px;
  filter: drop-shadow(0 2px 8px rgba(245,130,13,.4));
}
.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
  display: flex; align-items: baseline; justify-content: center; gap: 2px;
}
.stat-unit { font-size: 1.2rem; font-weight: 600; }
.stat-label {
  font-size: 1rem; font-weight: 700;
  color: rgba(255,255,255,.9);
  margin-bottom: 6px;
}
.stat-desc {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}

/* ========================================================
   ABOUT SECTION
   ======================================================== */
.about-section {
  padding: 100px 0;
  background: var(--white);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-text h3 {
  font-size: 1.6rem; font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.about-text p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 24px;
}
.about-list { display: flex; flex-direction: column; gap: 12px; }
.about-list li {
  display: flex; align-items: center; gap: 12px;
  color: var(--gray-700);
  font-size: .95rem;
}
.about-list li i { color: var(--green); font-size: .9rem; flex-shrink: 0; }

/* About Visual */
.about-visual { display: flex; justify-content: center; align-items: center; }
.about-card-grid {
  position: relative;
  width: 340px; height: 340px;
}
.about-mini-card {
  position: absolute;
  width: 110px; height: 110px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px;
  font-size: .82rem; font-weight: 700;
  color: var(--gray-700);
  transition: var(--transition);
}
.about-mini-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.about-mini-card i { font-size: 1.8rem; color: var(--primary); }
.about-mini-card:nth-child(1) { top: 0; left: 0; }
.about-mini-card:nth-child(2) { top: 0; right: 0; }
.about-mini-card:nth-child(3) { bottom: 0; left: 0; }
.about-mini-card:nth-child(4) { bottom: 0; right: 0; }

.about-center-badge {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 120px; height: 120px;
  background: linear-gradient(135deg, #0284C7, #0369A1);
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  color: var(--white);
  font-size: .82rem; font-weight: 700;
  text-align: center;
  box-shadow: 0 8px 24px rgba(2,132,199,.4);
  animation: pulse 3s ease infinite;
}
.about-center-badge i { font-size: 1.8rem; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(2,132,199,.4); }
  50% { box-shadow: 0 8px 36px rgba(2,132,199,.65); }
}

/* ========================================================
   VALUES SECTION (3대 핵심 가치)
   ======================================================== */
.values-section {
  padding: 100px 0;
  /* 밝은 배경으로 전환 — 연한 하늘빛 */
  background: linear-gradient(180deg, #F0F9FF 0%, #E0F2FE 50%, #F0F9FF 100%);
}
.values-section .section-badge {
  color: var(--accent);
  background: rgba(249,115,22,.12);
  border: 1px solid rgba(249,115,22,.2);
}
.values-section .section-title { color: var(--gray-900); }
.values-section .section-desc  { color: var(--gray-600); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  overflow: hidden;
  border: 1px solid #BAE6FD;
  position: relative;
  box-shadow: 0 4px 16px rgba(2,132,199,.08);
}
.value-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 1;
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 20px 48px rgba(2,132,199,.18);
}
.value-card--featured {
  background: linear-gradient(145deg, #0369A1, #0284C7);
  border-color: var(--primary-light);
  transform: scale(1.03);
}
.value-card--featured:hover { transform: scale(1.03) translateY(-8px); }
.value-card--featured::before { opacity: 1; background: linear-gradient(90deg, var(--accent), var(--accent-dark)); }

.value-card-inner { padding: 40px 36px; }

.value-icon-wrap {
  width: 72px; height: 72px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}
.value-blue  { background: rgba(26,79,173,.15); color: #5b9cf6; }
.value-orange{ background: rgba(245,130,13,.15); color: var(--accent); }
.value-green { background: rgba(30,140,90,.15);  color: var(--green-light); }

.value-card--featured .value-icon-wrap { background: rgba(255,255,255,.15); }
.value-card--featured .value-icon-wrap { color: var(--white); }

.value-title {
  font-size: 1.35rem; font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 14px;
}
.value-card--featured .value-title { color: var(--white); }

.value-desc {
  font-size: .9rem; line-height: 1.75;
  color: var(--gray-600);
  margin-bottom: 20px;
}
.value-card--featured .value-desc { color: rgba(255,255,255,.82); }

.value-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.value-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: .85rem; color: var(--gray-600);
}
.value-card--featured .value-list li { color: rgba(255,255,255,.78); }
.value-list li i { color: var(--accent); font-size: .7rem; }

.value-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--primary);
  font-size: .85rem; font-weight: 600;
  transition: var(--transition);
}
.value-card--featured .value-link { color: rgba(255,255,255,.85); }
.value-link:hover { color: var(--accent); gap: 12px; }

/* ========================================================
   ESG SECTION
   ======================================================== */
.esg-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #F0F9FF 0%, #ffffff 100%);
}
.esg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.esg-card {
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.esg-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 4px;
}
.esg-env  { background: #F0FDF4; border: 1px solid #BBF7D0; box-shadow: 0 4px 16px rgba(22,163,74,.07); }
.esg-env::after  { background: linear-gradient(90deg, #22C55E, #16A34A); }
.esg-social { background: #E0F2FE; border: 1px solid #BAE6FD; box-shadow: 0 4px 16px rgba(2,132,199,.07); }
.esg-social::after { background: linear-gradient(90deg, #38BDF8, #0284C7); }
.esg-gov  { background: #FFF7ED; border: 1px solid #FED7AA; box-shadow: 0 4px 16px rgba(249,115,22,.07); }
.esg-gov::after  { background: linear-gradient(90deg, #FB923C, #EA580C); }

.esg-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.esg-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.esg-env .esg-icon  { color: var(--green); }
.esg-social .esg-icon{ color: var(--primary); }
.esg-gov .esg-icon  { color: var(--accent); }

.esg-card h3 {
  font-size: 1.2rem; font-weight: 800;
  margin-bottom: 12px; color: var(--gray-900);
}
.esg-card p {
  font-size: .9rem; color: var(--gray-600);
  line-height: 1.7; margin-bottom: 20px;
}
.esg-card ul { display: flex; flex-direction: column; gap: 8px; }
.esg-card ul li {
  font-size: .85rem; color: var(--gray-700);
  display: flex; align-items: center; gap: 8px;
}
.esg-card ul li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.esg-env ul li::before  { background: var(--green); }
.esg-social ul li::before{ background: var(--primary); }
.esg-gov ul li::before  { background: var(--accent); }

/* ========================================================
   NOTICE SECTION
   ======================================================== */
.notice-section {
  padding: 100px 0;
  background: var(--white);
}
.notice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.notice-col {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(2,132,199,.1);
  border: 1px solid #BAE6FD;
}
.notice-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 2px solid #E0F2FE;
  background: #F0F9FF;
}
.notice-title {
  font-size: 1.05rem; font-weight: 800;
  color: var(--gray-900);
  display: flex; align-items: center; gap: 10px;
}
.notice-title i { color: var(--primary); }
.notice-more {
  font-size: .8rem; font-weight: 600;
  color: var(--primary);
  display: flex; align-items: center; gap: 4px;
  transition: var(--transition);
}
.notice-more:hover { color: var(--accent); }

.notice-list { padding: 8px 0; }
.notice-item {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 28px;
  border-bottom: 1px solid var(--gray-50);
  transition: var(--transition);
}
.notice-item:last-child { border-bottom: none; }
.notice-item:hover { background: var(--gray-50); }

.notice-badge {
  display: inline-block;
  font-size: .68rem; font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-important { background: #fef2f2; color: var(--red); }
.badge-new       { background: #E0F2FE; color: var(--primary); }
.badge-normal    { background: var(--gray-100); color: var(--gray-500); }

.notice-link {
  flex: 1;
  font-size: .87rem; color: var(--gray-700);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: var(--transition);
}
.notice-link:hover { color: var(--primary); }
.notice-date {
  font-size: .75rem; color: var(--gray-400);
  white-space: nowrap; flex-shrink: 0;
}

/* News List */
.news-list { padding: 16px 0; }
.news-item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--gray-50);
  transition: var(--transition);
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: var(--gray-50); }

.news-img-wrap { flex-shrink: 0; }
.news-img-placeholder {
  width: 80px; height: 64px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  color: var(--white);
}
.news-img-1 { background: linear-gradient(135deg, #0284C7, #0369A1); }
.news-img-2 { background: linear-gradient(135deg, #F97316, #EA580C); }
.news-img-3 { background: linear-gradient(135deg, #16A34A, #15803D); }

.news-body { flex: 1; min-width: 0; }
.news-category {
  display: inline-block;
  font-size: .72rem; font-weight: 700;
  color: var(--primary); background: rgba(26,79,173,.07);
  padding: 2px 8px; border-radius: 4px;
  margin-bottom: 6px;
}
.news-title {
  font-size: .9rem; font-weight: 600;
  margin-bottom: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.news-title a { color: var(--gray-800); transition: var(--transition); }
.news-title a:hover { color: var(--primary); }
.news-date { font-size: .75rem; color: var(--gray-400); display: flex; align-items: center; gap: 5px; }

/* ========================================================
   INFO / 자료실 SECTION
   ======================================================== */
.info-section {
  padding: 100px 0;
  background: var(--white);
  border-top: 1px solid #E0F2FE;
}

.info-tabs {
  display: flex; gap: 8px; margin-bottom: 32px;
  border-bottom: 2px solid var(--gray-100);
  padding-bottom: 0;
}
.info-tab {
  padding: 10px 22px;
  font-size: .88rem; font-weight: 600;
  color: var(--gray-500);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: var(--transition);
  position: relative;
  bottom: -2px;
  border: 2px solid transparent;
  border-bottom: none;
}
.info-tab:hover { color: var(--primary); }
.info-tab.active {
  color: var(--primary);
  background: var(--white);
  border-color: var(--gray-100);
  border-bottom: 2px solid var(--white);
}

.info-tab-content { display: none; }
.info-tab-content.active { display: block; }

.doc-list { display: flex; flex-direction: column; gap: 12px; }
.doc-item {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 24px;
  background: #F0F9FF;
  border-radius: var(--radius-md);
  border: 1px solid #BAE6FD;
  transition: var(--transition);
}
.doc-item:hover {
  background: var(--white);
  box-shadow: 0 6px 20px rgba(2,132,199,.12);
  border-color: var(--primary);
}
.doc-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.doc-icon.pdf   { background: #fef2f2; color: #dc2626; }
.doc-icon.word  { background: #eff6ff; color: #2563eb; }
.doc-icon.excel { background: #f0fdf4; color: #16a34a; }
.doc-icon.ppt   { background: #fff7ed; color: #ea580c; }

.doc-body { flex: 1; min-width: 0; }
.doc-body h4 { font-size: .92rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.doc-body p  { font-size: .8rem; color: var(--gray-500); margin-bottom: 4px; }
.doc-date { font-size: .75rem; color: var(--gray-400); }

.doc-download {
  width: 40px; height: 40px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
  transition: var(--transition);
}
.doc-download:hover { background: var(--primary-dark); transform: scale(1.1); }

.info-more-wrap { text-align: center; margin-top: 40px; }
.info-more-wrap .btn-outline {
  color: var(--primary);
  border-color: var(--primary);
  background: transparent;
}
.info-more-wrap .btn-outline:hover { background: var(--primary); color: var(--white); }

/* ========================================================
   MEMBERS SECTION
   ======================================================== */
.members-section {
  padding: 100px 0;
  background: #F0F9FF;
  overflow: hidden;
}

/* ── 필터 탭 ── */
.members-filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 0 36px;
}
.members-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 30px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.members-filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.members-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  font-size: .75rem;
  font-weight: 700;
  padding: 0 4px;
}
.members-filter-btn.active .filter-count {
  background: rgba(255,255,255,.3);
  color: var(--white);
}
.members-filter-btn:not(.active) .filter-count {
  background: var(--primary-light, #EFF6FF);
  color: var(--primary);
}

/* ── 카드 그리드 ── */
.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.member-card-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  position: relative;
}
.member-card-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(2,132,199,.15);
  transform: translateY(-2px);
}
.member-card-item.hidden { display: none; }

.member-card-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
}
.member-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.member-card-name {
  font-size: .88rem;
  font-weight: 800;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.member-card-region,
.member-card-cap {
  font-size: .75rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.member-card-region i { color: var(--accent); font-size: .7rem; }
.member-card-cap i    { color: var(--primary); font-size: .7rem; }
.member-card-ks {
  position: absolute;
  top: 8px; right: 10px;
  font-size: .6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #16A34A, #22C55E);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: .04em;
}

/* ── 레거시 슬라이더 (비사용 – 보존) ── */
.members-slider-wrap { overflow: hidden; margin: 0 -24px; position: relative; }
.members-slider { display: flex; flex-direction: column; gap: 16px; }
.members-track { display: flex; gap: 16px; animation: scrollLeft 30s linear infinite; width: max-content; }
.members-track.reverse { animation: scrollRight 30s linear infinite; }
@keyframes scrollLeft { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes scrollRight { 0% { transform: translateX(-50%); } 100% { transform: translateX(0); } }
.member-logo-card {
  flex-shrink: 0; width: 200px; height: 80px;
  background: var(--white); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); overflow: hidden; transition: var(--transition);
}
.member-logo-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.member-logo-inner { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 16px; }
.member-logo-inner i { font-size: 1.3rem; color: var(--primary); flex-shrink: 0; }
.member-logo-inner span { font-size: .82rem; font-weight: 700; color: var(--gray-700); }

/* ========================================================
   FOOTER
   ======================================================== */
.site-footer {
  background: #0C1A2E;
  color: var(--gray-300);
}

.footer-top { padding: 70px 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  gap: 48px;
}

.footer-logo {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 16px;
}
.footer-logo i { font-size: 2rem; color: var(--accent); }
.footer-logo-main { display: block; font-size: 1rem; font-weight: 800; color: var(--white); }
.footer-logo-sub  { display: block; font-size: .75rem; color: var(--gray-400); }

.footer-tagline {
  font-size: .95rem; font-weight: 600;
  color: var(--accent); margin-bottom: 12px;
}
.footer-desc {
  font-size: .85rem; line-height: 1.8;
  color: var(--gray-400);
}

.footer-col-title {
  font-size: .92rem; font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(56,189,248,.2);
}

.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: .85rem; color: var(--gray-400);
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.footer-links a i { font-size: .7rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }

.footer-contact-list { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: .85rem; color: var(--gray-400); line-height: 1.6;
}
.footer-contact-list li i { color: var(--accent); font-size: .9rem; margin-top: 3px; flex-shrink: 0; }

.footer-bottom {
  border-top: 1px solid rgba(56,189,248,.15);
  padding: 24px 0;
}
.footer-bottom-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: .8rem; color: var(--gray-500); }
.footer-policy { display: flex; align-items: center; gap: 12px; }
.footer-policy a { font-size: .8rem; color: var(--gray-500); transition: var(--transition); }
.footer-policy a:hover { color: var(--accent); }
.footer-divider { color: rgba(56,189,248,.3); }

/* ========================================================
   TOP BUTTON
   ======================================================== */
.top-btn {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  z-index: 900;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.top-btn.visible { opacity: 1; visibility: visible; }
.top-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ================================================================
   PWA – 하단 내비게이션 (Bottom Nav) : 모바일 전용
   ================================================================ */
.bottom-nav {
  display: none; /* 데스크톱에서 숨김 */
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  box-shadow: 0 -4px 20px rgba(0,0,0,.10);
  z-index: 1200;
  padding-bottom: env(safe-area-inset-bottom, 0px); /* 노치/홈바 대응 */
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 100%;
  color: var(--gray-400);
  text-decoration: none;
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .02em;
  transition: color .2s, transform .15s;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}
.bottom-nav-item i {
  font-size: 1.2rem;
  transition: transform .2s;
}
.bottom-nav-item.active {
  color: var(--primary);
}
.bottom-nav-item.active i {
  transform: translateY(-2px);
}
.bottom-nav-item.active::after {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 32px; height: 3px;
  background: var(--primary);
  border-radius: 0 0 4px 4px;
}
.bottom-nav-item:active { transform: scale(.92); }

/* ── PWA 앱 설치 배너 ── */
.pwa-install-banner {
  display: none;
  position: fixed;
  bottom: 70px; left: 12px; right: 12px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  padding: 14px 14px;
  align-items: center;
  gap: 12px;
  z-index: 1300;
  transform: translateY(20px);
  opacity: 0;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), opacity .3s;
  border-left: 4px solid var(--primary);
}
.pwa-install-banner.show {
  transform: translateY(0);
  opacity: 1;
}
.pwa-banner-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #0C3B6E, #0284C7);
  display: flex; align-items: center; justify-content: center;
}
.pwa-banner-icon img { width: 100%; height: 100%; object-fit: cover; }
.pwa-icon-fallback { color: #fff; font-size: 1.4rem; }
.pwa-banner-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pwa-banner-text strong {
  font-size: .88rem; font-weight: 800; color: var(--gray-900);
}
.pwa-banner-text span {
  font-size: .72rem; color: var(--gray-500);
}
.pwa-install-btn {
  flex-shrink: 0;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
}
.pwa-install-btn:hover { background: var(--primary-dark); }
.pwa-guide-btn {
  flex-shrink: 0;
  background: none; border: none;
  color: var(--gray-400);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px 2px;
  text-decoration: none;
  transition: color .2s;
  display: flex;
  align-items: center;
}
.pwa-guide-btn:hover { color: var(--primary); }
.pwa-dismiss-btn {
  flex-shrink: 0;
  background: none; border: none;
  color: var(--gray-400);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px;
  transition: color .2s;
}
.pwa-dismiss-btn:hover { color: var(--gray-700); }

/* ── 모바일에서 Bottom Nav 활성화 ── */
@media (max-width: 768px) {
  .bottom-nav {
    display: flex;
  }
  /* 바닥 내비 높이만큼 본문 여백 */
  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
  }
  /* top-btn을 bottom-nav 위로 올리기 */
  .top-btn {
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    right: 16px;
  }
  /* 설치 배너도 bottom-nav 위 */
  .pwa-install-banner {
    display: flex;
    bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }
}

/* ========================================================
   SCROLL ANIMATIONS
   ======================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================================
   RESPONSIVE
   ======================================================== */
@media (max-width: 1100px) {
  .nav-link { padding: 0 11px; font-size: .81rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .values-grid { gap: 20px; }
  .value-card--featured { transform: scale(1); }
  .value-card--featured:hover { transform: translateY(-8px); }
  .topbar-label { display: none; }
}

@media (max-width: 900px) {
  :root {
    --topbar-height: 0px;
    --header-main-height: 72px;
    --header-height: 72px;
  }
  .header-topbar { display: none; }
  .main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }

  .hero-btn { min-width: 180px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat-card:nth-child(2n) { border-right: none; }

  .about-grid  { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .about-card-grid { width: 280px; height: 280px; }
  .about-mini-card { width: 90px; height: 90px; }
  .about-center-badge { width: 100px; height: 100px; }

  .values-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .esg-grid    { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .notice-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }

  /* 히어로 소형화 */
  .hero-section { min-height: 580px; }
  .hero-title { font-size: 2rem; }
  .hero-sub   { font-size: .9rem; }
  .hero-buttons { gap: 10px; flex-direction: column; }
  .hero-btn { min-width: unset; width: 100%; }
  .hero-scroll-indicator { display: none; }
  .hero-controls { bottom: 20px; }
  .hero-info-row { gap: 0; }
  .hero-info-item { padding: 0 12px; font-size: .75rem; }
  .hero-cert-badge { font-size: .68rem; padding: 5px 12px; }

  /* 공장 씬 - 모바일에서 단순화 */
  .truck-layer, .worker-layer { display: none; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }

  .about-card-grid { width: 260px; height: 260px; }

  .notice-item { flex-wrap: wrap; }
  .notice-date { width: 100%; padding-left: 60px; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }

  .info-tabs { flex-wrap: wrap; }
  .info-tab  { padding: 8px 14px; font-size: .82rem; }

  .logo-sub { font-size: .68rem; }
  .logo-text { border-left: 2px solid var(--primary); padding-left: 10px; }

  .top-btn { bottom: 20px; right: 20px; }
}

/* ========================================================
   STATS SECTION — 신규 트러스트 장치 스타일
   ======================================================== */
.stats-top-bar {
  background: var(--primary-dark);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.stats-top-label {
  font-size: .75rem; font-weight: 600;
  color: rgba(255,255,255,.7);
  display: flex; align-items: center; gap: 8px;
  letter-spacing: .03em;
}
.stats-top-label i { color: var(--accent); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
  position: relative;
}
.stat-card {
  padding: 44px 28px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
  transition: var(--transition);
  position: relative;
}
.stat-card:last-child { border-right: none; }
.stat-card:hover { background: rgba(255,255,255,.04); }
.stat-card--accent { background: rgba(245,130,13,.08); }

.stat-icon-wrap { margin-bottom: 16px; display: flex; justify-content: center; }
.stat-icon-circle {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--accent);
}
.stat-number {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900; color: var(--white);
  line-height: 1; margin-bottom: 8px;
  display: flex; align-items: baseline; justify-content: center; gap: 4px;
}
.stat-symbol {
  font-size: 2rem; font-weight: 900;
  color: var(--accent);
}
.stat-unit { font-size: 1rem; font-weight: 600; color: rgba(255,255,255,.7); }
.stat-label {
  font-size: .95rem; font-weight: 700;
  color: var(--white); margin-bottom: 6px;
}
.stat-desc { font-size: .78rem; color: rgba(255,255,255,.45); margin-bottom: 14px; }
.stat-check {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 600;
  color: rgba(255,255,255,.6);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  padding: 4px 10px;
  border-radius: 50px;
}
.stat-check i { color: #4ade80; font-size: .7rem; }

/* ========================================================
   VALUES SECTION — 신규 3대 핵심 가치 스타일
   ======================================================== */
.value-num {
  font-size: 3.5rem; font-weight: 900;
  color: rgba(2,132,199,.08);
  line-height: 1; margin-bottom: 4px;
  font-family: 'Arial Black', sans-serif;
  letter-spacing: -.02em;
}
.value-card--featured .value-num { color: rgba(255,255,255,.08); }
.value-card--safety::before   { background: linear-gradient(90deg, var(--accent), var(--accent-dark)); }
.value-card--quality::before  { background: linear-gradient(90deg, #3b82f6, #1d4ed8); }
.value-card--supply::before   { background: linear-gradient(90deg, var(--green-light), var(--green)); }

.value-icon-wrap.value-orange      { background: rgba(249,115,22,.12); color: var(--accent); }
.value-icon-wrap.value-blue-light  { background: rgba(2,132,199,.12); color: var(--primary); }
.value-icon-wrap.value-green       { background: rgba(22,163,74,.12); color: var(--green); }

.value-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(2,132,199,.1);
}
.value-card--featured .value-list li { border-bottom-color: rgba(255,255,255,.1); }
.value-list li:last-child { border-bottom: none; }

.vl-icon {
  width: 32px; height: 32px;
  background: rgba(2,132,199,.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--primary);
  flex-shrink: 0; margin-top: 2px;
}
.value-card--safety  .vl-icon { background: rgba(249,115,22,.12); color: var(--accent); }
.value-card--quality .vl-icon { background: rgba(2,132,199,.12); color: var(--primary); }
.value-card--supply  .vl-icon { background: rgba(22,163,74,.12); color: var(--green); }
.value-card--featured .vl-icon { background: rgba(255,255,255,.15); color: var(--white); }

.value-list li div { display: flex; flex-direction: column; gap: 2px; }
.value-list li div strong { font-size: .88rem; color: var(--gray-900); font-weight: 700; }
.value-list li div span  { font-size: .78rem; color: var(--gray-500); }
.value-card--featured .value-list li div strong { color: var(--white); }
.value-card--featured .value-list li div span  { color: rgba(255,255,255,.7); }

.value-tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 20px; }
.value-tag {
  font-size: .72rem; font-weight: 600;
  color: var(--primary);
  background: rgba(2,132,199,.08);
  border: 1px solid rgba(2,132,199,.2);
  padding: 3px 10px; border-radius: 50px;
}
.value-card--featured .value-tag {
  color: rgba(255,255,255,.8);
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
}

/* ========================================================
   NEWS CATEGORY COLOR
   ======================================================== */
.news-cat--launch { background: rgba(245,130,13,.1); color: var(--accent); }
.news-cat--edu    { background: rgba(26,79,173,.1);  color: var(--primary-light); }
.news-cat--quality{ background: rgba(30,140,90,.1);  color: var(--green); }

/* ========================================================
   INFO SECTION — 원자재 동향 · 유가정보 스타일
   ======================================================== */
.info-tab { display: flex; align-items: center; gap: 6px; }
.info-tab i { font-size: .78rem; }

.market-summary { }
.market-note {
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; color: var(--gray-500);
  background: #fefce8;
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  margin-bottom: 24px;
}
.market-note i { color: #d97706; flex-shrink: 0; }

.market-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.market-card {
  background: var(--white);
  border: 1px solid #BAE6FD;
  border-radius: var(--radius-md);
  padding: 24px 22px;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(2,132,199,.06);
}
.market-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }

.market-card-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; flex-wrap: wrap;
}
.market-icon {
  width: 36px; height: 36px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; flex-shrink: 0;
}
.market-name { font-size: .88rem; font-weight: 700; color: var(--gray-800); flex: 1; }
.market-trend {
  font-size: .72rem; font-weight: 700;
  padding: 3px 9px; border-radius: 50px;
  display: flex; align-items: center; gap: 4px;
}
.trend-up     { background: #fef2f2; color: #dc2626; }
.trend-down   { background: #f0fdf4; color: #16a34a; }
.trend-stable { background: #fefce8; color: #d97706; }

.market-desc {
  font-size: .82rem; color: var(--gray-600);
  line-height: 1.7; margin-bottom: 12px;
}
.market-date { font-size: .72rem; color: var(--gray-400); }

.doc-item--news .doc-icon.news-i {
  background: #eff6ff; color: var(--primary);
}

/* ========================================================
   MEMBERS SECTION — 연합체 강화 스타일
   ======================================================== */
.members-union-bar {
  display: flex; align-items: center; justify-content: center;
  gap: 0;
  background: linear-gradient(135deg, #0369A1, #0284C7, #0EA5E9);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  margin-bottom: 40px;
  box-shadow: 0 8px 32px rgba(2,132,199,.25);
}
.union-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 0 36px;
  color: var(--white);
}
.union-item i { font-size: 1.3rem; color: var(--accent); margin-bottom: 4px; }
.union-item strong { font-size: 1.4rem; font-weight: 900; line-height: 1; }
.union-item span  { font-size: .75rem; color: rgba(255,255,255,.65); font-weight: 500; }
.union-divider {
  width: 1px; height: 50px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
}

.member-logo-card {
  cursor: pointer;
  border: none;
  font-family: inherit;
  text-align: left;
}
.member-logo-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }

/* ========================================================
   MEMBER MODAL
   ======================================================== */
.member-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.member-modal-overlay.open { opacity: 1; visibility: visible; }

.member-modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: min(460px, 90vw);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
  transform: scale(.92) translateY(20px);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.member-modal-overlay.open .member-modal {
  transform: scale(1) translateY(0);
}

.member-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: var(--gray-100); color: var(--gray-600);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem; z-index: 1;
  transition: var(--transition);
}
.member-modal-close:hover { background: var(--gray-200); color: var(--gray-900); }

.member-modal-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 32px 28px 28px;
  display: flex; align-items: center; gap: 18px;
  color: var(--white);
}
.member-modal-emblem {
  width: 60px; height: 60px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: var(--white);
  flex-shrink: 0;
}
.member-modal-name { font-size: 1.25rem; font-weight: 800; margin-bottom: 6px; }
.member-modal-badge {
  font-size: .8rem; color: rgba(255,255,255,.75);
  display: flex; align-items: center; gap: 6px;
}

.member-modal-body { padding: 24px 28px; }
.member-modal-row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--gray-100);
}
.member-modal-row:last-child { border-bottom: none; }
.member-modal-label {
  font-size: .82rem; font-weight: 700; color: var(--gray-500);
  display: flex; align-items: center; gap: 7px;
  min-width: 120px; flex-shrink: 0;
}
.member-modal-label i { color: var(--primary); font-size: .8rem; }
.member-modal-val { font-size: .88rem; color: var(--gray-800); font-weight: 500; }

.member-modal-footer {
  padding: 14px 28px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
}
.member-modal-note {
  font-size: .76rem; color: var(--gray-500);
  display: flex; align-items: center; gap: 7px;
}
.member-modal-note i { color: var(--primary); }

@media (max-width: 1100px) {
  .members-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .market-grid { grid-template-columns: 1fr; }
  .members-union-bar { padding: 18px 20px; gap: 0; flex-wrap: wrap; }
  .union-item { padding: 8px 18px; }
  .union-divider { width: 100%; height: 1px; }
  .members-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .market-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .info-tab { font-size: .78rem; padding: 7px 10px; }
  .members-union-bar { display: grid; grid-template-columns: 1fr 1fr; }
  .members-grid { grid-template-columns: 1fr; }
  .union-divider { display: none; }
}

/* ========================================================
   MOBILE OPTIMIZATION — 강화된 모바일 반응형
   ======================================================== */

/* ── 터치 타겟 최소 44px 보장 ─────────── */
@media (max-width: 900px) {
  /* 헤더 로고 이미지 모바일 축소 */
  .logo-img-wrap { width: 52px; height: 52px; }
  .logo-img { width: 52px; height: 52px; }
  .logo-main { font-size: .9rem; }
  .logo-sub  { font-size: .68rem; }
  .logo-text { gap: 2px; }

  /* 모바일 네비게이션 */
  .mobile-nav { width: min(300px, 88vw); }
  .mobile-nav-item a {
    padding: 14px 20px;
    min-height: 48px;
    display: flex; align-items: center;
  }

  /* 히어로 버튼 터치 최적화 */
  .hero-btn {
    min-height: 52px;
    padding: 14px 20px;
  }
  .hero-prev, .hero-next { width: 38px; height: 38px; }

  /* 공지사항 */
  .notice-list li { min-height: 48px; }
  .notice-link { font-size: .88rem; }

  /* 탭 버튼 */
  .info-tab { min-height: 44px; }

  /* 참여사 카드 */
  .member-logo-card { min-height: 80px; }

  /* 모달 풀스크린 대응 */
  .member-modal { width: 92vw; max-height: 88vh; overflow-y: auto; }
  .member-modal-header { padding: 24px 20px 20px; }
  .member-modal-body  { padding: 16px 20px; }
  .member-modal-label { min-width: 100px; font-size: .78rem; }
}

/* ── 소형 모바일 (≤480px) ─────────────── */
@media (max-width: 480px) {
  /* 로고 이미지 더 작게 */
  .logo-img-wrap { width: 44px; height: 44px; }
  .logo-img { width: 44px; height: 44px; }
  .logo-main { font-size: .82rem; }
  .logo-sub  { font-size: .64rem; }
  .logo-text { border-left-width: 2px; padding-left: 8px; }

  /* 히어로 */
  .hero-section { min-height: 520px; }
  .hero-title { font-size: 1.7rem; line-height: 1.25; }
  .hero-sub   { font-size: .85rem; }
  .hero-cert-badge { font-size: .65rem; padding: 4px 10px; }
  .hero-btn { padding: 12px 16px; }
  .hero-btn-label { font-size: .85rem; }
  .hero-btn-sub   { font-size: .7rem; }
  .hero-info-row  { gap: 0; }
  .hero-info-item { padding: 0 8px; font-size: .7rem; gap: 4px; }
  .hero-info-item i { font-size: .75rem; }

  /* 핵심 지표 */
  .stat-card { padding: 28px 14px; }
  .stat-icon-circle { width: 44px; height: 44px; font-size: 1.1rem; }
  .stat-number { font-size: 1.8rem; }
  .stat-label  { font-size: .85rem; }
  .stat-desc   { font-size: .72rem; }
  .stat-check  { font-size: .68rem; }
  .stats-top-label { font-size: .68rem; }

  /* 소개 섹션 */
  .about-section { padding: 60px 0; }
  .about-card-grid { width: 240px; height: 240px; }
  .about-mini-card { width: 80px; height: 80px; font-size: .75rem; }
  .about-center-badge { width: 90px; height: 90px; }
  .about-mini-card i { font-size: 1.2rem; }

  /* 3대 핵심 가치 */
  .value-card { padding: 32px 20px; }
  .value-num { font-size: 2.5rem; }
  .value-title { font-size: 1.15rem; }
  .value-desc  { font-size: .85rem; }
  .vl-icon { width: 28px; height: 28px; font-size: .75rem; }
  .value-list li div strong { font-size: .83rem; }
  .value-list li div span  { font-size: .73rem; }
  .value-tag { font-size: .68rem; padding: 2px 8px; }

  /* ESG */
  .esg-section { padding: 60px 0; }
  .esg-card { padding: 28px 20px; }

  /* 공지사항 */
  .notice-section { padding: 60px 0 40px; }
  .notice-title { font-size: 1.05rem; }
  .notice-list { gap: 0; }
  .notice-item { padding: 12px 0; gap: 6px; flex-wrap: wrap; }
  .notice-badge { font-size: .65rem; padding: 2px 7px; }
  .notice-date { font-size: .72rem; width: 100%; padding-left: 4px; }
  .news-item { gap: 10px; }
  .news-img-placeholder { width: 64px; height: 52px; font-size: 1.2rem; }
  .news-title a { font-size: .85rem; }

  /* 자료실 */
  .info-section { padding: 60px 0; }
  .doc-item { padding: 12px 14px; gap: 10px; }
  .doc-icon { width: 36px; height: 36px; font-size: .85rem; }
  .doc-name { font-size: .85rem; }
  .doc-meta { font-size: .7rem; }

  /* 참여사 */
  .members-section { padding: 60px 0 80px; }
  .member-logo-text { font-size: .72rem; }
  .members-union-bar { grid-template-columns: 1fr 1fr; padding: 14px 16px; }
  .union-item strong { font-size: 1.15rem; }
  .union-item span   { font-size: .68rem; }
  .union-item i      { font-size: 1rem; }

  /* 푸터 */
  .footer-top { padding: 50px 0 30px; }
  .footer-logo-main { font-size: .95rem; }
  .footer-logo-sub  { font-size: .7rem; }
  .footer-tagline   { font-size: .85rem; }
  .footer-desc      { font-size: .8rem; }
  .footer-col-title { font-size: .9rem; }
  .footer-links a   { font-size: .82rem; }
  .footer-copy      { font-size: .75rem; }
  .footer-policy a  { font-size: .72rem; }
  .footer-logo-img  { width: 42px; height: 42px; }

  /* 탑 버튼 */
  .top-btn { width: 42px; height: 42px; font-size: .85rem; bottom: 16px; right: 16px; }

  /* 섹션 헤더 */
  .section-title { font-size: 1.5rem; }
  .section-desc  { font-size: .88rem; }

  /* 참여사 카드 그리드 (480px 이하) */
  .members-grid { grid-template-columns: 1fr; gap: 10px; }
  .member-card-item { padding: 14px 12px; }
  .member-card-name { font-size: .83rem; }

  /* 필터 버튼 */
  .members-filter-btn { padding: 7px 14px; font-size: .8rem; }
}

/* ── 매우 소형 화면 (≤360px) ──────────── */
@media (max-width: 360px) {
  .hero-title { font-size: 1.5rem; }
  .hero-buttons { flex-direction: column; gap: 8px; }
  .hero-btn { width: 100%; }
  .stat-card { padding: 20px 10px; }
  .stat-number { font-size: 1.5rem; }
  .section-title { font-size: 1.3rem; }
  .container { padding: 0 12px; }
}

/* ── 가로 모드 최적화 (landscape) ────── */
@media (max-height: 500px) and (orientation: landscape) {
  .hero-section { min-height: 100vw; }
  .hero-title { font-size: 1.6rem; }
  .hero-buttons { flex-direction: row; gap: 10px; }
  .hero-btn { padding: 10px 14px; }
  .hero-scroll-indicator { display: none; }
}

/* ── 접근성: 포커스 링 ─────────────────── */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── 터치 디바이스 hover 비활성화 ──────── */
@media (hover: none) {
  .stat-card:hover { background: transparent; }
  .market-card:hover { box-shadow: none; border-color: var(--gray-100); }
  .member-logo-card:hover { box-shadow: none; border-color: var(--gray-200); }
  .hero-btn:hover { transform: none; }
  .nav-link:hover::after { width: 0; }
  .value-card:hover { transform: none; box-shadow: var(--shadow-lg); }
}

/* ── 스크롤바 커스텀 (Webkit) ───────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }