/* ===============================
   LIVNATURE Group Website Styles
   =============================== */

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil1Thin.woff2') format('woff2');
    font-weight: 100;
    font-display: swap;
}

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil2Light.woff2') format('woff2');
    font-weight: 300;
    font-display: swap;
}

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil3Regular.woff2') format('woff2');
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil4Medium.woff2') format('woff2');
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil5Bold.woff2') format('woff2');
    font-weight: 700;
    font-display: swap;
}

@font-face {
    font-family: 'Daeojamjil';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2302_01@1.0/TheJamsil6ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}


/* CSS Variables */
:root {
    /* Brand Colors */
    --primary-green: #2d5016;
    --primary-green-dark: #1f3810;
    --primary-green-light: #3d6b1f;
    --accent-gold: #c5a572;
    --accent-gold-light: #d4b589;
    
    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #f2f2f2;
    --light-gray: #e9ecef;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --black: #000000;
    
    /* Semantic Colors */
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    
    /* Typography */
    --font-primary: 'Daeojamjil', 'Daeojamjil', -apple-system, BlinkMacSystemFont, 'Daeojamjil', sans-serif;
    --font-heading: 'Daeojamjil', 'Daeojamjil', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

/* ===============================
   Reset & Base Styles
   =============================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* 클릭 시 발생하는 모든 아웃라인 제거 */
*:focus {
    outline: none !important;
    box-shadow: none !important; /* 일부 브라우저의 그림자 테두리도 제거 */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-green-dark);
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-green);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-gold);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: poDaeojamjil;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section */
.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-green), var(--accent-gold));
    border-radius: var(--radius-full);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===============================
   Navigation
   =============================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 1rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.brand-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    letter-spacing: -0.5px;
}

.brand-sub {
    font-size: 1rem;
    font-weight: 400;
    color: var(--accent-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ===============================
   Hero Section
   =============================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgb(0 0 0 / 70%), rgb(123 123 123 / 50%));
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 1200px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    color: var(--accent-gold-light);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-features {
    display: flex;            /* 가로로 배치 */
    justify-content: center;  /* 중앙 정렬 (내용에 따라 space-between 사용 가능) */
    gap: 20px;               /* 카드 사이의 간격 */
    max-width: 1200px;       /* 전체 최대 너비 제한 */
    margin: 40px auto 0;     /* 위쪽 여백 및 중앙 배치 */
    padding: 0 20px;         /* 양옆 최소 여백 */
    flex-wrap: nowrap;       /* 줄바꿈 방지 */
}

.feature-card {
    flex: 1;                 /* 3개의 카드가 동일한 비율로 너비를 가짐 */
    min-width: 0;            /* flex 박스 안에서 텍스트 넘침 방지 */
    text-align: center;      /* 내부 텍스트 중앙 정렬 */
    background: rgba(255, 255, 255, 1); /* 약간의 배경색 (선택사항) */
    padding: 35px 30px;
    border-radius: 10px;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 10px;
    background: var(--white);
    border-radius: var(--radius-full);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(15px); opacity: 0.5; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animation delays */
.animate-fade-in { animation: fadeInUp 1s ease; }
.animate-fade-in-delay { animation: fadeInUp 1s ease 0.2s both; }
.animate-slide-up { animation: fadeInUp 1s ease 0.4s both; }
.animate-slide-up-delay-1 { animation: fadeInUp 1s ease 0.6s both; }
.animate-slide-up-delay-2 { animation: fadeInUp 1s ease 0.8s both; }

/* ===============================
   About Section
   =============================== */

.about-section {
    background: var(--off-white);
}

.about-content {
    display: grid;
    gap: var(--spacing-lg);
}

.about-philosophy {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.philosophy-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-header i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.card-header h3 {
    font-size: 1.5rem;
    margin: 0;
}

.philosophy-quote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--primary-green);
    margin: 1.5rem 0;
    padding-left: 1.5rem;
    border-left: 4px solid var(--accent-gold);
}

.philosophy-list {
    list-style: none;
}

.philosophy-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.philosophy-list i {
    color: var(--primary-green);
    margin-top: 4px;
    flex-shrink: 0;
}

/* Timeline */
.timeline {
    margin-top: var(--spacing-lg);
}

.timeline-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-gold);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 10px;
    top: 5px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-gold);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 2px var(--accent-gold);
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-green);
}

.timeline-content p {
    margin: 0;
    color: var(--gray);
}

/* ===============================
   Business Section
   =============================== */

.business-section {
    background: var(--white);
}

.business-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem 1rem;
    background: var(--off-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--dark-gray);
    transition: all var(--transition-normal);
}

.tab-button i {
    font-size: 2rem;
    color: var(--gray);
    transition: color var(--transition-normal);
}

.tab-button:hover {
    background: var(--white);
    border-color: var(--accent-gold);
}

.tab-button:hover i {
    color: var(--accent-gold);
}

.tab-button.active {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.tab-button.active i {
    color: var(--accent-gold);
}

.tab-contents {
    position: relative;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.tab-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.tab-image img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.tab-image:hover img {
    transform: scale(1.05);
}

.tab-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tab-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.feature-list i {
    color: var(--primary-green);
    flex-shrink: 0;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--gray);
}

.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.platform-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--off-white);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.platform-item:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-5px);
}

.platform-item i {
    font-size: 2rem;
    color: var(--primary-green);
    transition: color var(--transition-normal);
}

.platform-item:hover i {
    color: var(--accent-gold);
}

.platform-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

.highlight-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    color: var(--white);
    border-radius: var(--radius-md);
    margin-top: 2rem;
}

.highlight-box i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.highlight-box p {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 500;
}

/* ===============================
   Innovation Section
   =============================== */

.innovation-section {
    background: var(--off-white);
}

.innovation-content {
    max-width: 1000px;
    margin: 0 auto;
}

.innovation-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.innovation-card.featured {
    border: 3px solid var(--accent-gold);
}

.innovation-image {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.innovation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.patent-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(197, 165, 114, 0.95);
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.patent-badge i {
    font-size: 1.25rem;
}

.innovation-text {
    padding: 3rem;
}

.innovation-header {
    margin-bottom: 2rem;
}

.innovation-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--accent-gold);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.innovation-intro {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 2rem;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.tech-feature {
    display: flex;
    gap: 1rem;
}

.tech-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--off-white);
    border-radius: var(--radius-md);
    color: var(--primary-green);
    font-size: 1.5rem;
}

.tech-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--primary-green);
}

.tech-content p {
    font-size: 0.95rem;
    color: var(--gray);
    margin: 0;
}

.tech-details {
    padding: 2rem;
    background: var(--off-white);
    border-radius: var(--radius-md);
    margin-top: 2rem;
}

.tech-details h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.tech-details ul {
    list-style: none;
}

.tech-details li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.tech-details i {
    color: var(--primary-green);
}

/* Brand Section */
.brand-section {
    margin-top: var(--spacing-lg);
}

.brand-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.brand-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.brand-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-normal);
}

.brand-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.brand-logo {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    border-radius: 50%;
}

.brand-logo.accent {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
}

.brand-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.brand-meaning {
    font-size: 1rem;
    color: var(--accent-gold);
    font-weight: 500;
    margin-bottom: 1rem;
}

.brand-description {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.8;
}

/* ===============================
   Projects Section
   =============================== */

.projects-section {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-card.featured {
    grid-column: span 1;
    border: 2px solid var(--accent-gold);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(45, 80, 22, 0.9);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.project-badge.best {
    background: rgba(197, 165, 114, 0.9);
}

.project-badge.flagship {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.project-content {
    padding: 2rem;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.project-location i {
    color: var(--accent-gold);
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.project-description {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--light-gray);
    border-bottom: 1px solid var(--light-gray);
    margin-bottom: 1rem;
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.4rem 0.8rem;
    background: var(--off-white);
    color: var(--primary-green);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===============================
   Investor Section
   =============================== */

.investor-section {
    background: var(--off-white);
}

.investor-content {
    max-width: 1000px;
    margin: 0 auto;
}

.investor-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 2rem;
}

.stat-info {
    flex: 1;
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.95rem;
    color: var(--gray);
}

/* Partners */
.partners-section {
    margin-bottom: var(--spacing-lg);
}

.partners-section h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.partner-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.partner-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.partner-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--off-white);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--primary-green);
}

.partner-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.partner-card p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

/* Investment Highlights */
.investment-highlights h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: var(--spacing-lg);
}

.highlight-item {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.highlight-item.featured {
    border: 2px solid var(--accent-gold);
    background: linear-gradient(135deg, rgba(197, 165, 114, 0.05), rgba(197, 165, 114, 0.1));
}

.highlight-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.highlight-header i {
    font-size: 2rem;
    color: var(--accent-gold);
}

.highlight-header h4 {
    font-size: 1.125rem;
    margin: 0;
}

.highlight-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.highlight-status {
    font-size: 0.95rem;
    color: var(--gray);
    margin: 0;
}

/* ESG Section */
.esg-section {
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.esg-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.esg-icon {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 3rem;
    color: var(--accent-gold);
}

.esg-text {
    color: var(--white);
}

.esg-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.esg-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin: 0;
}

/* ===============================
   Contact Section
   =============================== */

.contact-section {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--off-white);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.info-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-green);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 1.5rem;
}

.info-text h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.info-text p {
    font-size: 0.95rem;
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
}

/* Contact Form */
.contact-form-container {
    background: var(--off-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
}

.contact-form-container h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.checkbox-group {
    margin-top: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: poDaeojamjil;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: poDaeojamjil;
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all var(--transition-normal);
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-green-dark), var(--primary-green));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===============================
   Footer
   =============================== */

.footer {
    background: var(--primary-green-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-logo .brand-main {
    font-size: 1.75rem;
}

.footer-tagline {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.125rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.footer-company-info {
    font-size: 0.85rem;
}

/* ===============================
   Scroll to Top Button
   =============================== */

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-green);
    transform: translateY(-5px);
}

/* ===============================
   Responsive Design
   =============================== */

@media (max-width: 992px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    .section-title { font-size: 2rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .hero-features {
        flex-direction: column; /* 세로로 변경 */
        align-items: center;
        flex-wrap: wrap;
    }
    
    .feature-card {
        width: 100%;           /* 모바일에서는 꽉 차게 */
        max-width: 400px;      /* 너무 커지지 않게 제한 */
    }	
	
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        box-shadow: var(--shadow-md);
        padding: 1rem;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }
    
    .nav-menu.active {
        max-height: 500px;
    }
    
    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .innovation-image {
        height: 300px;
    }
    
    .innovation-text {
        padding: 2rem 1.5rem;
    }
    
    .tech-features {
        grid-template-columns: 1fr;
    }
    
    .tab-buttons {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .esg-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .philosophy-card {
        padding: 1.5rem;
    }
    
    .innovation-image {
        height: 250px;
    }
    
    .project-image {
        height: 200px;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
}

/* ===============================
   Utility Classes
   =============================== */

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }

.hidden { display: none; }
.visible { display: block; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* 모바일 전용 스타일 (기존 미디어 쿼리 안에 넣으시거나 하단에 추가) */
@media screen and (max-width: 768px) {
    .nav-menu {
        /* 1. 기본적으로 메뉴를 완전히 숨깁니다 */
        display: none; 
        
        /* 2. 위치 설정 (이미 설정되어 있다면 확인만 하세요) */
        position: absolute;
        top: 100%; /* 헤더 바로 아래 붙도록 */
        left: 0;
        width: 100%;
        background-color: #fff; /* 배경색이 없으면 뒤쪽 내용이 비쳐 보입니다 */
        z-index: 999;
        
        /* 만약 애니메이션(슬라이드)을 쓰고 있다면 display 대신 아래를 사용하세요 */
        /* height: 0;
        overflow: hidden;
        transition: height 0.3s ease; 
        */
    }

    /* 3. 메뉴가 열렸을 때(Active 클래스 추가 시)만 보이게 함 */
    .nav-menu.active {
        display: block; /* 또는 flex */
        /* 애니메이션 사용 시 height: auto 또는 특정 높이 부여 */
    }
}