/* ==========================================================================
   J&J International - Authentic Korean Trading House Stylesheet
   ========================================================================== */

:root {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-surface: rgba(255, 255, 255, 0.92);
    --bg-surface-hover: #FFFFFF;

    --accent-navy: #0A2540;
    --accent-royal: #004080;
    --accent-blue: #0052CC;
    --accent-cyan: #0080FF;
    --accent-gold: #C59B27;

    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-muted: #64748B;

    --font-heading: 'Outfit', 'Pretendard', sans-serif;
    --font-body: 'Noto Sans KR', 'Pretendard', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --gradient-hero-overlay: linear-gradient(180deg, rgba(10, 37, 64, 0.78) 0%, rgba(10, 37, 64, 0.90) 65%, #F8FAFC 100%);
    --gradient-card: linear-gradient(135deg, #FFFFFF 0%, #F8FAFC 100%);

    --border-light: 1px solid rgba(203, 213, 225, 0.8);
    --border-navy: 1px solid rgba(10, 37, 64, 0.2);
    --border-blue: 1px solid rgba(0, 82, 204, 0.4);

    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);

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

    --transition-fast: 0.2s ease;
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    position: relative;
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.gradient-text {
    background: linear-gradient(135deg, #0052CC 0%, #0080FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gold {
    color: var(--accent-gold);
}

.section-tag {
    font-family: var(--font-mono);
    color: var(--accent-blue);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--accent-navy);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 720px;
    margin: 0 auto;
    font-weight: 400;
}

.text-center {
    text-align: center;
}

/* Header & Navigation (줄바꿈 방지) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 12px 0;
    transition: var(--transition-normal);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(203, 213, 225, 0.8);
}

.navbar.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-sm);
    background: #FFFFFF;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
    flex-wrap: nowrap; /* 절대로 두 줄로 쪼개지지 않도록 조치 */
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo-symbol-raw {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.brand-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.25rem;
    color: var(--accent-navy);
    display: block;
    line-height: 1.1;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.brand-sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
    display: block;
    font-weight: 600;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: 28px;
    align-items: center;
    flex-shrink: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 700;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.nav-link .link-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-blue);
    margin-right: 4px;
}

.nav-link:hover {
    color: var(--accent-blue);
}

.nav-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(0, 82, 204, 0.08);
    border: 1px solid rgba(0, 82, 204, 0.25);
    color: var(--accent-blue);
    font-size: 0.82rem;
    font-weight: 800;
    font-family: var(--font-mono);
    text-decoration: none;
    transition: var(--transition-fast);
}

.lang-switch-btn:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
    border-color: var(--accent-blue);
    transform: translateY(-1px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-normal);
    border: none;
    white-space: nowrap;
}

.btn-navy {
    background: var(--accent-navy);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(10, 37, 64, 0.25);
}

.btn-navy:hover {
    background: var(--accent-royal);
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.4);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--accent-gold);
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(197, 155, 39, 0.3);
}

.btn-gold:hover {
    background: #B3891E;
    transform: translateY(-2px);
}

.btn-outline {
    background: #FFFFFF;
    border: 2px solid var(--accent-navy);
    color: var(--accent-navy);
}

.btn-outline:hover {
    background: var(--accent-navy);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.85rem;
}

/* Authentic Trading Hero Section */
.hero-authentic {
    position: relative;
    padding: 170px 0 100px;
    color: #FFFFFF;
    background-image: var(--gradient-hero-overlay), url('images/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-container {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.hero-logo-box {
    margin-bottom: 24px;
}

.hero-raw-logo-wrapper {
    display: inline-block;
    background: #FFFFFF;
    padding: 20px 36px;
    border-radius: 16px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
    transition: var(--transition-normal);
}

.hero-raw-logo-wrapper:hover {
    transform: scale(1.03);
}

.hero-ci-logo-raw {
    height: 180px;
    width: auto;
    display: block;
    object-fit: contain;
}

.hero-badge-trading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--accent-gold);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-authentic .hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #FFFFFF;
    letter-spacing: -1px;
}

.hero-authentic .hero-subtitle {
    font-size: 1.25rem;
    color: #E2E8F0;
    margin-bottom: 40px;
    line-height: 1.7;
    font-weight: 400;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

/* Trading Pillars Bar */
.trading-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.pillar-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    color: var(--text-primary);
    text-align: left;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--accent-blue);
    transition: var(--transition-normal);
}

.pillar-box:hover {
    transform: translateY(-4px);
    border-left-color: var(--accent-gold);
}

.pillar-box .pillar-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue);
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.pillar-box h4 {
    font-size: 1.1rem;
    color: var(--accent-navy);
    font-weight: 800;
    margin-bottom: 6px;
}

.pillar-box p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* About Section */
.about-section {
    padding: 100px 0;
}

.about-trading-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.3rem;
    color: var(--accent-navy);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 24px;
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.point-item i {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 82, 204, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.point-item h5 {
    font-size: 1.05rem;
    color: var(--accent-navy);
    font-weight: 700;
}

.point-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.about-image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: var(--border-light);
    position: relative;
    height: 100%;
    min-height: 420px;
    display: flex;
    flex-direction: column;
}

.about-image-card img {
    width: 100%;
    height: 100%;
    min-height: 420px;
    object-fit: cover;
    display: block;
}

.image-overlay-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(10, 37, 64, 0.92);
    color: #FFFFFF;
    padding: 18px 22px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.image-overlay-badge h4 {
    color: var(--accent-gold);
    font-size: 1.08rem;
    margin-bottom: 3px;
    font-weight: 800;
}

.image-overlay-badge p {
    font-size: 0.88rem;
    color: #CBD5E1;
    margin: 0;
}

/* 6 Core Services Grid */
.services-section {
    padding: 100px 0;
    background: #F1F5F9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 50px;
}

.service-card-trading {
    background: #FFFFFF;
    border: var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.service-card-trading:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--accent-blue);
}

.service-card-trading.featured {
    border-top: 4px solid var(--accent-gold);
}

.card-num-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--accent-blue);
    background: rgba(0, 82, 204, 0.08);
    padding: 4px 10px;
    border-radius: 4px;
}

.service-card-trading .icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: var(--accent-navy);
    color: #FFFFFF;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-trading.featured .icon-wrap {
    background: var(--accent-gold);
}

.service-card-trading h3 {
    font-size: 1.3rem;
    color: var(--accent-navy);
    font-weight: 800;
    margin-bottom: 12px;
}

.service-card-trading p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.trading-bullet-list {
    list-style: none;
    border-top: 1px solid #E2E8F0;
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.trading-bullet-list li {
    font-size: 0.88rem;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.trading-bullet-list li i {
    color: var(--accent-blue);
}

/* Global Synergy Section */
.synergy-section {
    padding: 100px 0;
}

.synergy-box {
    background: var(--accent-navy);
    color: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

.synergy-text h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}

.synergy-text p {
    color: #94A3B8;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.synergy-metrics-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.syn-metric {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 18px;
    border-radius: var(--radius-md);
}

.syn-metric h4 {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.syn-metric p {
    color: #CBD5E1;
    font-size: 0.85rem;
    margin: 0;
}

/* Executive Leadership Section */
.leadership-container {
    grid-column: 1 / -1;
    margin-top: 40px;
    padding-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.leadership-header {
    margin-bottom: 24px;
    text-align: left;
}

.leadership-header h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.leadership-header p {
    color: #94A3B8;
    font-size: 0.95rem;
}

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

.leadership-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    backdrop-filter: blur(12px);
    transition: var(--transition-normal);
}

.leadership-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(197, 155, 39, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.leader-photo-wrap {
    width: 120px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid rgba(197, 155, 39, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.leader-photo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.leader-info {
    flex-grow: 1;
}

.leader-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    background: rgba(197, 155, 39, 0.2);
    color: var(--accent-gold);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.leader-name {
    font-size: 1.35rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 2px;
    line-height: 1.2;
}

.leader-title-sub {
    font-size: 0.85rem;
    color: #CBD5E1;
    margin-bottom: 12px;
    font-weight: 600;
}

.leader-career-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.career-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.career-tag-label {
    display: inline-block;
    font-weight: 800;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 4px;
    width: fit-content;
}

.career-tag-label.current {
    background: rgba(0, 128, 255, 0.2);
    color: #38BDF8;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

.career-tag-label.past {
    background: rgba(148, 163, 184, 0.2);
    color: #CBD5E1;
    border: 1px solid rgba(203, 213, 225, 0.3);
}

.career-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.career-list li {
    font-size: 0.84rem;
    color: #E2E8F0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.career-list li i {
    font-size: 0.65rem;
    color: var(--accent-gold);
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: #FFFFFF;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2.2rem;
    color: var(--accent-navy);
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.3;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 36px;
}

.contact-box-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: #F8FAFC;
    border: var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.contact-box-item i {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: var(--accent-navy);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.contact-box-item .value {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent-navy);
}

.contact-action-card {
    background: #F8FAFC;
    border: 1px solid rgba(203, 213, 225, 0.9);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.badge-gold {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(197, 155, 39, 0.12);
    color: var(--accent-gold);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.action-card-header h3 {
    font-size: 1.6rem;
    color: var(--accent-navy);
    font-weight: 800;
    margin-bottom: 10px;
}

.action-card-header p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.contact-feature-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 32px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: #FFFFFF;
    border-radius: var(--radius-md);
    border: 1px solid #E2E8F0;
}

.feature-item i {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(0, 82, 204, 0.1);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.feature-item h5 {
    font-size: 0.98rem;
    color: var(--accent-navy);
    font-weight: 700;
    margin-bottom: 2px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

.action-buttons-wrap {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Footer */
.footer {
    padding: 70px 0 60px;
    background: var(--accent-navy);
    color: #FFFFFF;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

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

.footer-raw-logo-wrapper {
    background: #FFFFFF;
    padding: 10px 20px;
    border-radius: 10px;
    display: inline-block;
}

.footer-ci-logo-raw {
    height: 100px;
    width: auto;
    display: block;
    object-fit: contain;
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.45rem;
    color: #FFFFFF;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.footer-desc {
    font-size: 0.9rem;
    color: #CBD5E1;
    margin-bottom: 8px;
}

.footer-email-simple {
    font-size: 0.92rem;
    color: #E2E8F0;
    margin-bottom: 10px;
}

.footer-email-simple strong {
    font-family: var(--font-mono);
    color: var(--accent-gold);
    font-weight: 700;
    margin-left: 4px;
}

.copyright {
    font-size: 0.8rem;
    color: #64748B;
}

.toast {
    position: fixed; bottom: 30px; right: 30px;
    background: var(--accent-gold); color: #040914;
    padding: 14px 24px; border-radius: 6px; font-weight: 800;
    display: flex; align-items: center; gap: 10px;
    box-shadow: var(--shadow-lg); z-index: 300;
    transform: translateY(100px); opacity: 0; transition: var(--transition-normal);
}

.toast.show { transform: translateY(0); opacity: 1; }

/* ==========================================================================
   Responsive & Mobile Optimization (메뉴 줄바꿈 되기 전에 미리 100% 깔끔하게 사라짐)
   ========================================================================== */

/* 1024px 이하 (노트북/태블릿 브레이크포인트): 메뉴가 좁아지기 전에 미리 숨겨서 1줄 헤더 유지 */
@media (max-width: 1024px) {
    .nav-menu {
        display: none !important; /* 줄바꿈되기 전에 깔끔하게 사라짐 */
    }
    
    .trading-pillars-grid { grid-template-columns: repeat(2, 1fr); }
    .about-trading-wrapper, .synergy-box, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-image-card { height: 380px; min-height: 380px; }
    .about-image-card img { height: 380px; min-height: 380px; }
    .leadership-grid { grid-template-columns: 1fr; }
}

/* 768px 이하 (모바일 스마트폰 브레이크포인트) */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }

    .brand-logo-symbol-raw {
        height: 36px;
    }

    .brand-title {
        font-size: 1.05rem;
    }

    .brand-sub {
        font-size: 0.68rem;
    }

    .btn-sm {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .hero-authentic {
        padding: 130px 0 70px;
    }

    .hero-authentic .hero-title {
        font-size: 2.1rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .hero-ci-logo-raw {
        height: 110px;
    }

    .hero-raw-logo-wrapper {
        padding: 14px 24px;
    }

    .trading-pillars-grid, .services-grid {
        grid-template-columns: 1fr;
    }

    .leadership-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .leader-photo-wrap {
        width: 110px;
        height: 140px;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
}