/* ============================================
   HAN CHANG RUBBER CO.,LTD
   B2B Enterprise / Industrial Manufacturer Theme
   ============================================ */

:root {
    --navy-900: #0a1628;
    --navy-800: #0f1f36;
    --navy-700: #14294a;
    --navy-600: #1a3560;
    --navy-500: #22447a;

    --red-600: #b91c1c;
    --red-500: #dc2626;
    --red-400: #ef4444;

    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50:  #f9fafb;

    --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.06);
    --shadow: 0 4px 12px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 12px 28px rgba(10, 22, 40, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    background: #fff;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 딜레이 스태거 (그리드 아이템용) */
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }
.reveal-d6 { transition-delay: 0.48s; }
.reveal-d7 { transition-delay: 0.56s; }

/* 숫자 카운트 느낌 — 살짝 스케일 */
.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* 모션 감소 선호 시 비활성화 */
@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal-scale {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================
   TOP UTILITY BAR
   ============================================ */
.top-bar {
    background: var(--navy-900);
    color: #c8d0dc;
    font-size: 12.5px;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar .util {
    display: flex;
    gap: 22px;
}

.top-bar .util a {
    color: #c8d0dc;
    transition: color 0.15s;
}

.top-bar .util a:hover { color: #fff; }

.top-bar .tel { font-weight: 600; color: #fff; letter-spacing: 0.3px; }

/* ============================================
   SITE HEADER
   ============================================ */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 86px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 50px;
    height: 50px;
    background: var(--navy-900);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: -0.5px;
    font-family: 'Georgia', serif;
    border-left: 3px solid var(--red-500);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-text .kor {
    font-size: 19px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.6px;
}

.brand-text .eng {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--gray-500);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-top: 3px;
}

.main-nav ul { display: flex; }

.main-nav a {
    display: block;
    padding: 32px 22px;
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
    position: relative;
    letter-spacing: -0.3px;
    transition: color 0.15s;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 0;
    height: 3px;
    background: var(--red-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--navy-900);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--navy-900);
    padding: 8px;
}

/* ============================================
   HERO CAROUSEL (메인 히어로 3장 롤링)
   ============================================ */
.hero {
    position: relative;
    height: 620px;
    overflow: hidden;
    background: var(--navy-900);
}

.hero-slides {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    background-size: cover;
    background-position: center;
}

.hero-slide.active { opacity: 1; }

.hero-slide::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg,
        rgba(10, 22, 40, 0.92) 0%,
        rgba(10, 22, 40, 0.78) 35%,
        rgba(10, 22, 40, 0.45) 70%,
        rgba(10, 22, 40, 0.3) 100%);
}

/* 슬라이드 1 · 제조 공장 (Heritage) — 산업 인프라 실사 */
.hero-slide.slide-1 {
    background-color: var(--navy-900);
    background-image:
        linear-gradient(100deg, rgba(10, 22, 40, 0.88) 0%, rgba(10, 22, 40, 0.55) 55%, rgba(10, 22, 40, 0.3) 100%),
        url("https://images.unsplash.com/photo-1513828583688-c52646db42da?auto=format&fit=crop&w=1920&q=80");
    background-size: cover;
    background-position: center;
}

/* 슬라이드 2 · 제품 컬렉션 배경 (Products) — 로컬 제품 이미지 grid */
.hero-slide.slide-2 {
    background: radial-gradient(ellipse at 70% 50%, #1a3560 0%, #0a1628 65%);
}

.hero-slide.slide-2::before {
    background: linear-gradient(100deg,
        rgba(10, 22, 40, 0.95) 0%,
        rgba(10, 22, 40, 0.80) 40%,
        rgba(10, 22, 40, 0.50) 75%,
        rgba(10, 22, 40, 0.30) 100%);
    z-index: 2;
}

.product-bg-grid {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 0;
    pointer-events: none;
    opacity: 0.35;
    z-index: 1;
}

.product-bg-grid .cell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.product-bg-grid .cell img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(0.4) brightness(1.5) contrast(0.85);
    mix-blend-mode: screen;
}

.hero-slide.slide-2 > .container { position: relative; z-index: 3; }

/* 슬라이드 3 · 엔지니어링/설비 현장 (OEM) — 실사 사진 */
.hero-slide.slide-3 {
    background-color: var(--navy-900);
    background-image:
        linear-gradient(100deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.58) 50%, rgba(185, 28, 28, 0.35) 100%),
        url("https://images.unsplash.com/photo-1565043589221-1a6fd9ae45c7?auto=format&fit=crop&w=1920&q=80");
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-caption {
    max-width: 720px;
    color: #fff;
}

.hero-caption .since {
    display: inline-block;
    padding: 7px 14px;
    background: var(--red-600);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-caption h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.hero-caption h1 .accent { color: #fecaca; }

.hero-caption p {
    font-size: 17px;
    color: #d5dce8;
    line-height: 1.75;
    max-width: 620px;
    margin-bottom: 38px;
}

.hero-caption .cta-row {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
    letter-spacing: -0.2px;
}

.btn-primary {
    background: var(--red-600);
    color: #fff;
    border-color: var(--red-600);
}

.btn-primary:hover {
    background: var(--red-500);
    border-color: var(--red-500);
}

.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--navy-900);
    border-color: var(--navy-900);
}

.btn-outline:hover {
    background: var(--navy-900);
    color: #fff;
}

/* 캐러셀 컨트롤 */
.hero-nav {
    position: absolute;
    bottom: 38px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 14px;
}

.hero-dot {
    width: 42px;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.25s;
}

.hero-dot.active { background: #fff; }

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    z-index: 3;
    transition: background 0.2s;
}

.hero-arrow:hover { background: rgba(255, 255, 255, 0.2); }
.hero-arrow.prev { left: 32px; }
.hero-arrow.next { right: 32px; }

.hero-indicator {
    position: absolute;
    right: 32px;
    bottom: 38px;
    z-index: 3;
    color: #fff;
    font-size: 13px;
    letter-spacing: 1px;
    font-weight: 600;
}

.hero-indicator .current { font-size: 20px; color: var(--red-400); }

/* ============================================
   SECTION BASE
   ============================================ */
section { padding: 90px 0; }

.section-head {
    margin-bottom: 54px;
    text-align: center;
}

.section-head .kicker {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    color: var(--red-600);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
    padding: 5px 0;
    border-top: 2px solid var(--red-600);
    border-bottom: 2px solid var(--red-600);
}

.section-head h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -1px;
    line-height: 1.3;
}

.section-head .sub {
    margin-top: 14px;
    color: var(--gray-600);
    font-size: 15.5px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.section-head.left { text-align: left; }
.section-head.left h2 { margin: 0; }

/* ============================================
   INTRO (숫자 기반 회사 소개)
   ============================================ */
.intro {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 70px;
    align-items: center;
}

.intro-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -1px;
    line-height: 1.35;
    margin-bottom: 20px;
}

.intro-text h2 .red { color: var(--red-600); }

.intro-text p {
    color: var(--gray-700);
    font-size: 15.5px;
    line-height: 1.85;
    margin-bottom: 16px;
}

.intro-text .signature {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    font-weight: 700;
    color: var(--navy-900);
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
    background: var(--gray-200);
    border: 1px solid var(--gray-200);
}

.stat-cell {
    background: #fff;
    padding: 34px 28px;
    text-align: center;
}

.stat-cell .num {
    font-size: 40px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -1.5px;
    line-height: 1;
}

.stat-cell .num .unit {
    font-size: 17px;
    color: var(--red-600);
    font-weight: 700;
    margin-left: 2px;
}

.stat-cell .label {
    margin-top: 10px;
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 600;
    letter-spacing: -0.3px;
}

/* ============================================
   PRODUCT CATEGORY GRID
   ============================================ */
.prod-category {
    background: #fff;
}

.prod-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--gray-200);
    border-left: 1px solid var(--gray-200);
}

.prod-tile {
    border-right: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    padding: 36px 28px;
    background: #fff;
    transition: background 0.2s;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.prod-tile:hover {
    background: var(--gray-50);
}

.prod-tile:hover .prod-tile-arrow {
    background: var(--red-600);
    color: #fff;
    border-color: var(--red-600);
}

.prod-tile .num {
    font-size: 12px;
    font-weight: 800;
    color: var(--red-600);
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.prod-tile .thumb {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    padding: 12px;
}

.prod-tile .thumb img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.08));
}

.prod-tile h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.4px;
    margin-bottom: 8px;
}

.prod-tile p {
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.65;
    flex: 1;
}

.prod-tile .prod-tile-arrow {
    margin-top: 18px;
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.2s;
}

/* ============================================
   CAPABILITIES / WHY SECTION (전통 B2B)
   ============================================ */
.capability {
    background: var(--navy-900);
    color: #fff;
    background-image:
        linear-gradient(135deg, rgba(10, 22, 40, 0.95), rgba(15, 31, 54, 0.95)),
        url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'><path d='M0 60h120M60 0v120' stroke='%23ffffff' stroke-width='0.3' opacity='0.15'/></svg>");
}

.capability .section-head .kicker { color: var(--red-400); border-color: var(--red-500); }
.capability .section-head h2 { color: #fff; }
.capability .section-head .sub { color: var(--gray-400); }

.cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 10px;
}

.cap-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 38px 32px;
    transition: border-color 0.2s, background 0.2s;
}

.cap-item:hover {
    border-color: var(--red-500);
    background: rgba(255, 255, 255, 0.05);
}

.cap-item .cap-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--red-400);
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.cap-item h3 {
    font-size: 21px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    line-height: 1.35;
    margin-bottom: 14px;
}

.cap-item p {
    color: #b8c2d4;
    font-size: 14px;
    line-height: 1.75;
}

/* ============================================
   ORG CHART (조직도 트리)
   ============================================ */
.org-chart {
    background: #fff;
    border: 1px solid var(--gray-200);
    padding: 60px 40px 50px;
    text-align: center;
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.org-node {
    display: inline-block;
    padding: 18px 28px;
    min-width: 180px;
    background: #fff;
    border: 2px solid var(--navy-900);
    text-align: center;
    position: relative;
}

.org-node .org-role {
    font-size: 10px;
    font-weight: 800;
    color: var(--red-600);
    letter-spacing: 2px;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.org-node .org-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.5px;
}

.org-node .org-name {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 600;
    margin-top: 4px;
    padding-top: 6px;
    border-top: 1px solid var(--gray-200);
}

.org-node .org-desc {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid var(--gray-200);
}

.org-node.org-ceo {
    background: var(--navy-900);
    color: #fff;
    border-color: var(--navy-900);
    min-width: 220px;
    padding: 22px 32px;
}

.org-node.org-ceo .org-role { color: #fecaca; }
.org-node.org-ceo .org-title { color: #fff; font-size: 22px; }
.org-node.org-ceo .org-name { color: #cfd9ee; border-top-color: rgba(255,255,255,0.2); }

.org-node.org-director {
    background: var(--gray-100);
    border-color: var(--navy-700);
    min-width: 200px;
}

.org-node.org-dept {
    background: #fff;
    border-color: var(--gray-400);
    min-width: 150px;
    padding: 16px 20px;
    transition: all 0.2s;
}

.org-node.org-dept:hover {
    border-color: var(--red-600);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(10, 22, 40, 0.1);
}

/* 연결선 */
.org-line-v {
    width: 2px;
    height: 32px;
    background: var(--navy-900);
    margin: 0 auto;
}

.org-line-h-wrap {
    position: relative;
    height: 2px;
    max-width: 880px;
    margin: 0 auto;
}

.org-line-h {
    position: absolute;
    left: 12.5%;
    right: 12.5%;
    top: 0;
    height: 2px;
    background: var(--navy-900);
}

.org-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 210px;
}

.org-branch .org-stem {
    width: 2px;
    height: 32px;
    background: var(--navy-900);
    margin-bottom: 0;
}

.org-level-3 {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    max-width: 880px;
    margin: 0 auto;
    gap: 0;
}

/* 인원 요약 */
.org-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 40px;
    border: 1px solid var(--gray-200);
    border-right: none;
    background: #fff;
}

.org-stat {
    padding: 26px 20px;
    text-align: center;
    border-right: 1px solid var(--gray-200);
}

.org-stat .num {
    display: block;
    font-size: 38px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -1px;
    font-family: 'Georgia', serif;
    line-height: 1;
}

.org-stat .lbl {
    display: block;
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 700;
    margin-top: 8px;
    letter-spacing: 0.5px;
}

/* ============================================
   CTA BAND
   ============================================ */
.cta-band {
    background: var(--gray-900);
    color: #fff;
    padding: 60px 0;
    border-top: 4px solid var(--red-600);
}

.cta-band .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cta-band-text h3 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.8px;
}

.cta-band-text p { color: var(--gray-400); font-size: 15px; }

.cta-band-phone {
    text-align: right;
}

.cta-band-phone .label {
    font-size: 12px;
    color: var(--gray-400);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-weight: 700;
}

.cta-band-phone .num {
    font-size: 36px;
    font-weight: 800;
    color: var(--red-400);
    letter-spacing: -0.8px;
    font-family: 'Georgia', serif;
}

.cta-band-phone .num a { color: inherit; }

/* ============================================
   PAGE HEADER (서브 페이지 상단)
   ============================================ */
.page-header {
    background:
        linear-gradient(90deg, rgba(10, 22, 40, 0.92), rgba(10, 22, 40, 0.75)),
        url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1920 300'><defs><linearGradient id='pg' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%23142238'/><stop offset='1' stop-color='%23030814'/></linearGradient></defs><rect width='1920' height='300' fill='url(%23pg)'/><g stroke='%23ffffff' stroke-width='0.5' opacity='0.1'><path d='M0 150h1920M0 75h1920M0 225h1920'/></g></svg>");
    background-size: cover;
    color: #fff;
    padding: 70px 0 60px;
    border-bottom: 4px solid var(--red-600);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1.2px;
    line-height: 1.2;
    margin-bottom: 10px;
}

.page-header .eng {
    color: var(--red-400);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 18px;
    display: block;
}

.breadcrumb {
    color: #9aa8c2;
    font-size: 13px;
    margin-top: 14px;
}

.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 10px; opacity: 0.5; }
.breadcrumb .cur { color: #fff; }

/* ============================================
   CONTENT
   ============================================ */
.content-wide { max-width: 1080px; margin: 0 auto; }

.greeting .lead {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy-900);
    line-height: 1.55;
    margin-bottom: 26px;
    letter-spacing: -0.7px;
    padding-left: 18px;
    border-left: 4px solid var(--red-600);
}

.greeting p {
    color: var(--gray-700);
    font-size: 15.5px;
    line-height: 1.95;
    margin-bottom: 18px;
}

.greeting .sign {
    margin-top: 34px;
    text-align: right;
    font-weight: 700;
    color: var(--navy-900);
}

/* ============================================
   INFO TABLE (회사정보/스펙 테이블)
   ============================================ */
.info-table {
    width: 100%;
    border-collapse: collapse;
    border-top: 3px solid var(--navy-900);
    border-bottom: 1px solid var(--gray-300);
    font-size: 14.5px;
    background: #fff;
}

.info-table th,
.info-table td {
    padding: 16px 22px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.info-table th {
    background: var(--gray-50);
    color: var(--navy-900);
    font-weight: 700;
    width: 180px;
    border-right: 1px solid var(--gray-200);
}

.info-table td { color: var(--gray-700); }

/* ============================================
   HISTORY TIMELINE
   ============================================ */
.history {
    max-width: 820px;
    margin: 0 auto;
}

.history-year-group {
    display: flex;
    gap: 40px;
    padding: 28px 0;
    border-bottom: 1px solid var(--gray-200);
}

.history-year-group:first-child { padding-top: 0; }
.history-year-group:last-child { border-bottom: none; }

.history-year {
    flex-shrink: 0;
    width: 140px;
    font-size: 26px;
    font-weight: 800;
    color: var(--red-600);
    letter-spacing: -0.5px;
    font-family: 'Georgia', serif;
}

.history-events { flex: 1; }

.history-events li {
    padding: 6px 0;
    color: var(--gray-700);
    font-size: 15px;
    position: relative;
    padding-left: 18px;
}

.history-events li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: var(--navy-900);
}

.history-events li .m {
    display: inline-block;
    margin-right: 10px;
    font-weight: 700;
    color: var(--navy-800);
    min-width: 46px;
}

/* ============================================
   BUSINESS TABLE
   ============================================ */
.biz-table {
    width: 100%;
    border-collapse: collapse;
    border-top: 3px solid var(--navy-900);
    border-bottom: 1px solid var(--gray-300);
    font-size: 14.5px;
}

.biz-table th,
.biz-table td {
    padding: 22px 26px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.biz-table th {
    background: var(--navy-900);
    color: #fff;
    width: 200px;
    font-weight: 700;
    border-bottom-color: var(--navy-800);
    text-align: center;
}

.biz-table td {
    color: var(--gray-700);
    background: #fff;
    line-height: 1.75;
}

.biz-table .highlight { color: var(--red-600); font-weight: 700; }

/* ============================================
   PRODUCT LIST PAGE
   ============================================ */
.cat-nav {
    position: sticky;
    top: 86px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    z-index: 50;
    margin-bottom: 50px;
    padding: 14px 0;
}

.cat-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.cat-nav a {
    display: inline-block;
    padding: 10px 18px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    transition: all 0.15s;
}

.cat-nav a:hover,
.cat-nav a.active {
    background: var(--navy-900);
    color: #fff;
    border-color: var(--navy-900);
}

.cat-section {
    padding-bottom: 80px;
    scroll-margin-top: 170px;
}

.cat-section + .cat-section {
    padding-top: 80px;
    border-top: 1px solid var(--gray-200);
}

.cat-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
    padding-bottom: 18px;
    border-bottom: 3px solid var(--navy-900);
}

.cat-head .title-block {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.cat-head .cat-num {
    font-size: 46px;
    font-weight: 800;
    color: var(--red-600);
    line-height: 0.95;
    font-family: 'Georgia', serif;
}

.cat-head .t-text h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.6px;
}

.cat-head .t-text .en {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 4px;
    font-weight: 700;
}

.cat-head .desc {
    font-size: 14px;
    color: var(--gray-600);
    max-width: 480px;
    line-height: 1.7;
    padding-bottom: 2px;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.model-grid.three { grid-template-columns: repeat(3, 1fr); }

.model-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    transition: border-color 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.model-card:hover {
    border-color: var(--navy-900);
    box-shadow: var(--shadow-lg);
}

.model-card .thumb {
    background: var(--gray-50);
    padding: 28px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--gray-200);
}

.model-card .thumb img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.model-card .body {
    padding: 22px 24px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.model-card .code {
    font-size: 12px;
    font-weight: 800;
    color: var(--red-600);
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.model-card h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.4px;
    margin-bottom: 10px;
}

.model-card .sum {
    font-size: 13.5px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 14px;
    flex: 1;
}

.model-card .cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--navy-900);
    font-size: 13px;
    font-weight: 700;
    padding-top: 14px;
    border-top: 1px solid var(--gray-200);
}

.model-card:hover .cta { color: var(--red-600); }

/* ============================================
   PRODUCT DETAIL PAGE
   ============================================ */
.pd-top {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 60px;
}

.pd-gallery {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    padding: 50px;
}

.pd-gallery .main-img {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pd-gallery .main-img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.pd-gallery .spec-img {
    border-top: 1px solid var(--gray-200);
    padding-top: 24px;
    text-align: center;
}

.pd-gallery .spec-img img {
    max-width: 100%;
    margin: 0 auto;
}

.pd-gallery .spec-img .label {
    display: block;
    font-size: 11px;
    color: var(--gray-500);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 12px;
}

.pd-info .model-code {
    font-size: 12px;
    font-weight: 800;
    color: var(--red-600);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.pd-info h1 {
    font-size: 34px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -1px;
    line-height: 1.25;
    margin-bottom: 10px;
}

.pd-info .sub-title {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.pd-block { margin-bottom: 26px; }

.pd-block h3 {
    font-size: 14px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.3px;
    margin-bottom: 12px;
    padding-left: 12px;
    border-left: 3px solid var(--red-600);
}

.pd-block ul li {
    padding: 5px 0 5px 16px;
    font-size: 14.5px;
    color: var(--gray-700);
    position: relative;
    line-height: 1.7;
}

.pd-block ul li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--red-600);
    font-weight: 700;
}

/* 스펙 테이블 */
.spec-title {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 50px 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--navy-900);
}

.spec-title h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--navy-900);
    letter-spacing: -0.5px;
}

.spec-title .tag {
    font-size: 11px;
    padding: 4px 10px;
    background: var(--navy-900);
    color: #fff;
    font-weight: 700;
    letter-spacing: 1px;
}

.spec-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--gray-200);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    background: #fff;
    min-width: 600px;
}

.spec-table thead {
    background: var(--navy-900);
    color: #fff;
}

.spec-table thead th {
    padding: 12px 10px;
    font-weight: 700;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    letter-spacing: -0.3px;
    font-size: 13px;
}

.spec-table thead th:last-child { border-right: none; }

.spec-table tbody td {
    padding: 11px 10px;
    text-align: center;
    border-bottom: 1px solid var(--gray-200);
    border-right: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.spec-table tbody td:last-child { border-right: none; }

.spec-table tbody tr:nth-child(even) td { background: var(--gray-50); }

.spec-table tbody td.model-name {
    font-weight: 700;
    color: var(--navy-900);
    background: var(--gray-50);
}

/* KS 규격 리스트 */
.ks-list {
    background: var(--gray-50);
    border-left: 4px solid var(--navy-900);
    padding: 22px 26px;
    margin: 30px 0;
}

.ks-list h4 {
    font-size: 14px;
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 12px;
}

.ks-list ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 20px;
}

.ks-list li {
    font-size: 13.5px;
    color: var(--gray-700);
    padding: 3px 0 3px 14px;
    position: relative;
}

.ks-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    background: var(--red-600);
}

/* 설치 주의사항 */
.install-notes {
    background: #fff7ed;
    border: 1px solid #fed7aa;
    padding: 28px 32px;
    margin: 30px 0;
}

.install-notes h4 {
    font-size: 15px;
    font-weight: 800;
    color: #9a3412;
    margin-bottom: 14px;
}

.install-notes ol {
    list-style: decimal;
    padding-left: 22px;
    color: var(--gray-700);
}

.install-notes ol li {
    font-size: 13.5px;
    padding: 5px 0;
    line-height: 1.7;
}

/* 제품 상세 하단 네비게이션 */
.pd-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 2px solid var(--navy-900);
}

.pd-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    font-size: 14px;
    font-weight: 700;
    transition: all 0.2s;
}

.pd-nav a:hover {
    border-color: var(--navy-900);
    background: var(--navy-900);
    color: #fff;
}

.pd-nav .pd-nav-center {
    flex: 1;
    text-align: center;
}

.pd-nav .to-list {
    background: var(--red-600);
    color: #fff;
    border-color: var(--red-600);
}

.pd-nav .to-list:hover {
    background: var(--red-500);
    border-color: var(--red-500);
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 50px;
    align-items: start;
}

.contact-info-box {
    background: var(--navy-900);
    color: #fff;
    padding: 48px 42px;
}

.contact-info-box h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.contact-info-box .en-name {
    font-size: 12px;
    color: var(--red-400);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 32px;
    display: block;
}

.contact-item {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item:last-child { border-bottom: none; }

.contact-item .icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 15px;
}

.contact-item .label {
    font-size: 11px;
    color: var(--gray-400);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-item .val {
    font-size: 16px;
    color: #fff;
    font-weight: 700;
}

.contact-item .val a:hover { color: var(--red-400); }

.map-box {
    border: 1px solid var(--gray-200);
    background: #fff;
}

.map-box .map-embed {
    position: relative;
    width: 100%;
    background: var(--gray-100);
}

.map-box .map-embed iframe {
    display: block;
    width: 100%;
    height: 420px;
}

.map-box .map-action {
    padding: 14px 24px;
    background: var(--navy-900);
    text-align: right;
}

.map-box .map-action a {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

.map-box .map-action a:hover { color: var(--red-400); }

.map-box .note {
    padding: 20px 24px;
    font-size: 13px;
    color: var(--gray-600);
    border-top: 1px solid var(--gray-200);
    background: #fff;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--navy-900);
    color: #9aa8c2;
    padding: 60px 0 24px;
    font-size: 13.5px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand-mark { background: #fff; color: var(--navy-900); }
.footer-brand .brand-text .kor { color: #fff; }
.footer-brand .brand-text .eng { color: #7a8599; }

.footer-brand .desc {
    margin-top: 18px;
    line-height: 1.75;
    color: #8594b3;
    font-size: 13px;
}

.footer-col h4 {
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--red-600);
    display: inline-block;
}

.footer-col ul li { margin-bottom: 9px; line-height: 1.6; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
    margin-top: 24px;
    padding-top: 18px;
    font-size: 12px;
    color: #556582;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom .credit .sep { margin: 0 8px; opacity: 0.5; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
    .intro-grid { grid-template-columns: 1fr; gap: 40px; }
    .prod-grid { grid-template-columns: repeat(2, 1fr); }
    .cap-grid { grid-template-columns: 1fr; gap: 18px; }
    .pd-top { grid-template-columns: 1fr; gap: 40px; }
    .contact-wrap { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
    .hero-caption h1 { font-size: 42px; }
}

@media (max-width: 768px) {
    body { font-size: 14px; -webkit-tap-highlight-color: transparent; }
    .container { padding: 0 20px; }

    /* 모바일 nav 열림 시 body 스크롤 방지 */
    body.nav-open { overflow: hidden; }

    .top-bar .container > div:first-child { display: none; }
    .top-bar .container { justify-content: center; }
    .top-bar .util { gap: 18px; }

    .site-header .container { height: 70px; }
    .brand-text .kor { font-size: 16px; }
    .brand-text .eng { font-size: 9.5px; }
    .brand-mark { width: 42px; height: 42px; font-size: 17px; }

    .nav-toggle {
        display: block;
        min-width: 44px;
        min-height: 44px;
    }
    .main-nav {
        display: none;
        position: absolute;
        left: 0; right: 0;
        top: 70px;
        background: #fff;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        border-top: 1px solid var(--gray-200);
        z-index: 99;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    .main-nav.open { display: block; }
    .main-nav ul { flex-direction: column; }
    .main-nav a {
        padding: 16px 24px;
        min-height: 48px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--gray-100);
    }
    .main-nav a::after { display: none; }
    .main-nav a:hover, .main-nav a.active { background: var(--gray-50); }

    .hero { height: 520px; }
    .hero-arrow { display: none; }
    .hero-caption h1 { font-size: 30px; }
    .hero-caption p { font-size: 15px; line-height: 1.7; }
    .hero-caption .cta-row .btn {
        padding: 13px 22px;
        font-size: 14px;
        min-height: 48px;
    }
    .hero-dot { width: 32px; height: 4px; }

    section { padding: 60px 0; }
    .section-head h2 { font-size: 26px; }
    .intro-text h2 { font-size: 24px; }
    .intro-stats { grid-template-columns: repeat(2, 1fr); }
    .stat-cell .num { font-size: 34px; }

    .prod-grid { grid-template-columns: 1fr; }

    .cta-band .container { flex-direction: column; text-align: center; gap: 18px; }
    .cta-band-phone { text-align: center; }
    .cta-band-phone .num { font-size: 28px; }
    .cta-band-phone .num a { min-height: 48px; display: inline-flex; align-items: center; }

    .page-header { padding: 50px 0 45px; }
    .page-header h1 { font-size: 28px; }

    .history-year-group { flex-direction: column; gap: 10px; }
    .history-year { font-size: 22px; width: auto; }

    .biz-table th, .biz-table td { padding: 14px 16px; display: block; width: 100%; text-align: left; }
    .biz-table th { border-bottom: none; }

    .info-table th { width: 110px; padding: 14px 14px; }
    .info-table td { padding: 14px 14px; }

    /* 카테고리 nav 스크롤바 숨김 */
    .cat-nav { top: 70px; }
    .cat-nav ul {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    .cat-nav ul::-webkit-scrollbar { display: none; }
    .cat-nav a {
        flex-shrink: 0;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        white-space: nowrap;
        padding: 8px 14px;
        font-size: 12.5px;
    }

    /* 카테고리 섹션 간격 축소 */
    .cat-section { padding-bottom: 40px; }
    .cat-section + .cat-section { padding-top: 40px; }
    .cat-head {
        flex-direction: column;
        align-items: flex-start;
        margin-bottom: 20px;
        padding-bottom: 14px;
    }
    .cat-head .cat-num { font-size: 32px; }
    .cat-head .t-text h2 { font-size: 20px; }
    .cat-head .t-text .en { font-size: 11px; margin-top: 2px; }
    .cat-head .desc { font-size: 13px; line-height: 1.6; }

    /* 제품 카드 가로 배치 (이미지 왼쪽 + 텍스트 오른쪽) */
    .model-grid, .model-grid.three { grid-template-columns: 1fr; gap: 14px; }
    .model-card {
        flex-direction: row;
        align-items: stretch;
    }
    .model-card .thumb {
        width: 120px;
        min-width: 120px;
        height: auto;
        padding: 16px;
        border-bottom: none;
        border-right: 1px solid var(--gray-200);
    }
    .model-card .body {
        padding: 16px 18px;
    }
    .model-card .code { margin-bottom: 2px; font-size: 11px; }
    .model-card h3 { font-size: 15px; margin-bottom: 6px; }
    .model-card .sum {
        font-size: 12.5px;
        line-height: 1.6;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .model-card .cta { font-size: 12px; padding-top: 8px; }

    .pd-gallery { padding: 26px; }
    .pd-info h1 { font-size: 26px; }

    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }

    .ks-list ul { grid-template-columns: 1fr; }

    /* 조직도 모바일 — 트리 → 세로 리스트 (풀블리드) */
    .content-wide:has(.org-chart) {
        max-width: none;
        margin: 0 -20px;
        padding: 0;
    }
    .org-chart {
        padding: 0 20px;
        border: none;
        border-top: 1px solid var(--gray-200);
        border-bottom: 1px solid var(--gray-200);
        background: #fff;
        text-align: left;
        overflow: hidden;
    }

    /* 연결선 모두 숨김 */
    .org-line-v,
    .org-line-h-wrap,
    .org-branch .org-stem { display: none; }

    /* 모든 레벨 세로 풀폭 */
    .org-level { flex-direction: column; gap: 0; width: 100%; }
    .org-level-3 { flex-direction: column; gap: 0; max-width: 100%; width: 100%; align-items: stretch; }
    .org-branch { max-width: 100%; width: 100%; align-items: stretch; }

    /* 노드 공통 — 풀폭 카드형 */
    .org-node {
        display: flex;
        align-items: center;
        gap: 14px;
        min-width: 0;
        width: 100%;
        padding: 16px 20px;
        text-align: left;
        border: none;
        border-bottom: 1px solid var(--gray-200);
    }
    .org-node .org-role {
        font-size: 10px;
        min-width: 50px;
        margin-bottom: 0;
    }
    .org-node .org-title { font-size: 16px; }
    .org-node .org-name {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        margin-left: auto;
        font-size: 13px;
    }
    .org-node .org-desc {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        margin-left: auto;
        font-size: 12px;
    }

    /* CEO */
    .org-node.org-ceo {
        min-width: 0;
        padding: 18px 20px;
        border-radius: 0;
        border-bottom: 2px solid var(--navy-700);
    }
    .org-node.org-ceo .org-title { font-size: 18px; }

    /* 공장장 */
    .org-node.org-director {
        min-width: 0;
        background: var(--gray-100);
        border-bottom: 1px solid var(--gray-200);
    }

    /* 4부서 — 왼쪽 인덴트 */
    .org-level-3 .org-node.org-dept {
        min-width: 0;
        padding-left: 36px;
        border-left: 3px solid var(--gray-300);
    }

    .org-summary { grid-template-columns: repeat(2, 1fr); margin-top: 24px; }
    .org-summary .org-stat:nth-child(2) { border-right: none; }
    .org-stat { border-bottom: 1px solid var(--gray-200); }
    .org-summary .org-stat:nth-child(3),
    .org-summary .org-stat:nth-child(4) { border-bottom: none; }

    /* 제품 배경 grid 모바일 */
    .product-bg-grid { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr); }

    /* 지도 모바일 */
    .map-box .map-embed iframe { height: 300px; }

    /* 터치 인터랙션 */
    a, button { touch-action: manipulation; }
}

/* ============================================
   ULTRA-SMALL (480px 이하 초소형 화면)
   ============================================ */
@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .top-bar { font-size: 11px; padding: 7px 0; }
    .top-bar .util { font-size: 11.5px; }

    .brand-text .kor { font-size: 14.5px; }
    .brand-text .eng { display: none; }
    .brand-mark { width: 36px; height: 36px; font-size: 15px; }

    .hero { height: 460px; }
    .hero-caption .since { font-size: 10.5px; padding: 5px 10px; margin-bottom: 18px; }
    .hero-caption h1 { font-size: 24px; letter-spacing: -1px; margin-bottom: 16px; }
    .hero-caption p { font-size: 13.5px; margin-bottom: 26px; }
    .hero-caption .cta-row { gap: 10px; }
    .hero-caption .cta-row .btn { padding: 12px 18px; font-size: 13px; }

    section { padding: 48px 0; }
    .section-head { margin-bottom: 36px; }
    .section-head h2 { font-size: 22px; }
    .section-head .sub { font-size: 14px; }
    .intro-text h2 { font-size: 21px; }

    .stat-cell { padding: 22px 16px; }
    .stat-cell .num { font-size: 28px; }

    .prod-tile { padding: 28px 20px; min-height: 240px; }

    .cap-item { padding: 28px 22px; }
    .cap-item h3 { font-size: 18px; }

    .page-header { padding: 40px 0 35px; }
    .page-header h1 { font-size: 24px; }

    .info-table th { width: 90px; font-size: 13px; padding: 12px 10px; }
    .info-table td { font-size: 13.5px; padding: 12px 10px; }

    .content-wide:has(.org-chart) { margin: 0 -16px; }
    .org-chart { padding-left: 16px; padding-right: 16px; }

    .cat-section { padding-bottom: 30px; }
    .cat-section + .cat-section { padding-top: 30px; }
    .cat-head { margin-bottom: 16px; padding-bottom: 10px; }
    .cat-head .cat-num { font-size: 26px; }
    .cat-head .t-text h2 { font-size: 18px; }
    .cat-head .desc { font-size: 12.5px; }
    .model-card .thumb { width: 100px; min-width: 100px; padding: 12px; }
    .model-card .body { padding: 12px 14px; }
    .model-card h3 { font-size: 14px; }
    .model-card .sum { font-size: 12px; -webkit-line-clamp: 2; }

    .footer-bottom { font-size: 12px; }
    .footer-bottom .credit { font-size: 10.5px; }
    .footer-bottom .credit .sep { margin: 0 4px; }

    /* 제품 배경 grid 초소형 */
    .product-bg-grid { grid-template-columns: repeat(2, 1fr); }
}