/* =============================================
   ALIVE PACK - Cold Chain Solution
   Global Professional Website Styles
   ============================================= */

/* =============================================
   CSS Variables & Base Styles
   ============================================= */
:root {
    /* Primary Colors - Blue Theme */
    --primary-color: #0a5fe6;
    --primary-dark: #0847b3;
    --primary-light: #3d7ef0;
    --secondary-color: #0a5fe6;
    
    /* Accent Colors */
    --accent-color: #FF6B35;
    --success-color: #00BFA5;
    --warning-color: #FFC107;
    
    /* Neutral Colors */
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #0a1628;
    --border-color: #e0e0e0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0a5fe6 0%, #3d7ef0 100%);
    --gradient-overlay: linear-gradient(135deg, #001F3F 0%, #0a5fe6 50%, #3d7ef0 100%);
    --gradient-hero-accent: linear-gradient(45deg, #FF6B35 0%, #FFC107 100%);
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Typography */
    --font-primary: 'Inter', 'Noto Sans KR', sans-serif;
    --font-heading: 'Inter', 'Noto Sans KR', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.35s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
}

/* =============================================
   Reset & Base Styles
   ============================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

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

/* =============================================
   Container & Layout
   ============================================= */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: var(--section-padding);
}

/* =============================================
   Section Header
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    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: var(--gradient-primary);
    border-radius: 2px;
}

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

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* =============================================
   Navigation
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-fast);
}

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
    transition: var(--transition-fast);
}

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

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
}

/* =============================================
   Quotation Simulation Portal
   ============================================= */
.quotation-portal {
    background: var(--bg-light);
}

.quotation-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: 40px;
    align-items: center;
    overflow: hidden;
    padding: 0;
    border-radius: 24px;
    background: white;
    box-shadow: var(--shadow-lg);
}

.quotation-kicker {
    display: inline-flex;
    margin-bottom: 16px;
    color: var(--primary-color);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.quotation-copy {
    padding: 48px 0 48px 48px;
}

.quotation-copy h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--text-dark);
    margin-bottom: 18px;
    position: relative;
}

.quotation-copy h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    margin-top: 16px;
    border-radius: 2px;
    background: var(--gradient-primary);
}

.quotation-copy p {
    max-width: 620px;
    font-size: 1.08rem;
    color: #4d5c66;
}

.quotation-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.quotation-steps {
    display: grid;
    gap: 0;
    height: 100%;
    background: linear-gradient(135deg, #0a5fe6 0%, #0847b3 100%);
    padding: 34px;
}

.quotation-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    background: transparent;
}

.quotation-step:last-child {
    border-bottom: 0;
}

.quotation-step strong {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.quotation-step span {
    color: white;
    font-weight: 700;
}

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

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

.nav-link.contact-btn {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
}

.nav-link.contact-btn::after {
    display: none;
}

.nav-link.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-link .fa-external-link-alt {
    opacity: 0.7;
    transition: var(--transition-fast);
}

.nav-link:hover .fa-external-link-alt {
    opacity: 1;
    transform: translateX(2px) translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

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

.hero-text-image {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    padding: 0 60px;
    margin-left: 0;
}

.hero-main-text {
    width: 100%;
    max-width: 512px;
    height: auto;
    display: block;
    filter: drop-shadow(2px 4px 8px rgba(0, 0, 0, 0.2));
    transform: translateY(0);
    transition: transform 0.1s ease-out;
}

.hero::before {
    display: none;
}

@keyframes snowflakeFloat {
    0%, 100% {
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
        opacity: 0.12;
    }
    25% {
        transform: translate(-48%, -52%) rotate(5deg) scale(1.05);
        opacity: 0.18;
    }
    50% {
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
        opacity: 0.12;
    }
    75% {
        transform: translate(-52%, -48%) rotate(-5deg) scale(0.95);
        opacity: 0.10;
    }
}

.hero-overlay {
    display: none;
}

.hero::after {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.hero-text {
    text-align: center;
    color: white;
    padding: 0;
}

.hero-title {
    font-family: 'Roboto', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    margin: 0 0 1.5rem 0;
    line-height: 1.1;
    color: white;
    text-shadow: 3px 6px 12px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: #0a5fe6;
    text-shadow: none;
    margin: 0;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.95);
    padding: 12px 40px;
    border-radius: 50px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.title-main {
    display: none;
}

.title-sub {
    display: none;
}

.hero-description {
    display: none;
}

.hero-buttons {
    display: none;
}

.hero-stats {
    display: none;
}

.stat-item {
    display: none;
}

.stat-number {
    display: none;
}

.stat-label {
    display: none;
}

.hero-scroll {
    display: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* =============================================
   Key Strengths Section
   ============================================= */
.key-strengths {
    background: var(--bg-white);
    padding: 100px 0;
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.strength-card {
    background: white;
    border-radius: 24px;
    padding: 50px 40px;
    box-shadow: var(--shadow-lg);
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
    border: 3px solid transparent;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.strength-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.45;
    transition: all 0.25s ease;
    z-index: 0;
}

.strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    opacity: 0.45;
    transition: all 0.25s ease;
    z-index: 0;
    pointer-events: none;
}

.strength-card.eco::before {
    background-color: rgba(0, 191, 165, 0.2);
}

.strength-card.cost::before {
    background-color: rgba(255, 193, 7, 0.2);
}

.strength-card.global::before {
    background-color: rgba(10, 95, 230, 0.2);
}

.strength-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.7) 40%, rgba(255, 255, 255, 0.95) 100%);
    z-index: 1;
    pointer-events: none;
}

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

.strength-card:hover .strength-bg-img {
    transform: scale(1.08);
    opacity: 0.6;
}

.strength-card:hover::before {
    opacity: 0.6;
}

.strength-card.eco:hover {
    border-color: var(--success-color);
}

.strength-card.cost:hover {
    border-color: var(--warning-color);
}

.strength-card.global:hover {
    border-color: var(--primary-color);
}

.strength-icon-wrapper {
    display: none;
}

.strength-icon {
    display: none;
}

.strength-content {
    position: relative;
    z-index: 2;
}

.strength-content h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 800;
}

.strength-highlight {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.strength-card.eco .strength-highlight {
    color: var(--success-color);
}

.strength-card.cost .strength-highlight {
    color: var(--warning-color);
}

.strength-card.global .strength-highlight {
    color: var(--primary-color);
}

.strength-detail {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

.strength-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1px;
}

/* =============================================
   About Section
   ============================================= */
.about {
    background: var(--bg-light);
    padding: 80px 0;
}

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

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-description {
    font-size: 1.125rem;
    margin-bottom: 0;
    line-height: 1.8;
}

.about-image {
    position: relative;
}

.about-image img,
.about-video {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.about-video {
    display: block;
    max-height: 600px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 10px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
}

.about-badge i {
    color: var(--accent-color);
    font-size: 1.125rem;
}

.about-badge span {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 0.875rem;
}

/* =============================================
   Products Section
   ============================================= */
.products {
    background: var(--bg-light);
    padding: 80px 0;
}

.products-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 60px;
}

/* Mobile override for products grid */
@media (max-width: 768px) {
    .products-grid {
        gap: 20px;
    }
}

.product-card {
    display: flex;
    flex-direction: row;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    position: relative;
}

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

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

.product-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 1;
}

.product-badge.new {
    background: var(--accent-color);
}

.product-image {
    width: 40%;
    flex-shrink: 0;
    height: auto;
    min-height: 350px;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-medium);
}

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

.product-info {
    width: 60%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-name {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.product-capacity {
    font-size: 1.125rem;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.product-specs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 1.5rem;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.spec-item i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.product-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.reference-logos {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.5rem;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    flex-wrap: wrap;
}

.reference-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
}

.reference-company {
    padding: 6px 12px;
    background: white;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.product-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.product-btn:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* Product Comparison Table */
.product-comparison {
    margin-top: 60px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.product-comparison h3 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 30px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1000px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 12px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 700;
}

.comparison-table th {
    background: linear-gradient(135deg, #0a5fe6 0%, #3d7ef0 100%);
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

.comparison-table tbody tr {
    transition: all 0.3s ease;
}

.comparison-table tbody tr:hover {
    background: rgba(10, 95, 230, 0.05);
    transform: scale(1.01);
}

.comparison-table .featured-row {
    background: rgba(10, 95, 230, 0.08);
    font-weight: 600;
}

.comparison-table .featured-row:hover {
    background: rgba(10, 95, 230, 0.12);
}

/* =============================================
   Technology Section
   ============================================= */
.technology {
    background: white;
}

.technology-content {
    margin-bottom: 60px;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.tech-feature {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 20px;
    transition: var(--transition-fast);
}

.tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 2rem;
}

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

.tech-feature p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    border: 2px solid var(--border-color);
    transition: var(--transition-fast);
}

.benefit-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.benefit-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.benefit-card p {
    font-size: 0.95rem;
}

/* =============================================
   Partners Section
   ============================================= */
.partners {
    background: #f8f9fa;
    padding: 60px 0;
}

.partners .section-header {
    text-align: center;
    margin-bottom: 20px;
}

.partners .section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.partner-logo {
    transition: all 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
}

.partner-logo img {
    max-width: 180px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partner-logo-img {
    max-width: 200px;
    height: auto;
    object-fit: contain;
    filter: grayscale(0%) !important;
    opacity: 1 !important;
    transition: all 0.3s ease;
}

.partner-logo:hover img,
.partner-logo:hover .partner-logo-img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

.logo-text {
    font-size: 2rem;
    font-weight: 800;
    padding: 20px 40px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.logo-text:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.logo-text.pfizer {
    color: #0066CC;
}

.logo-text.moderna {
    color: #C8102E;
}

.logo-text.yt {
    color: #0a5fe6;
}

/* =============================================
   Sustainability Section
   ============================================= */
.sustainability {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.sustainability-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
}

.sustainability::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5));
    z-index: 1;
    pointer-events: none;
}

.sustainability .container {
    position: relative;
    z-index: 2;
}

.sustainability .section-header {
    margin-bottom: 40px;
    text-align: center;
}

.sustainability .section-title {
    color: var(--text-dark);
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}

.sustainability .section-subtitle {
    color: var(--text-light);
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.8);
}

.sustainability-content {
    margin-top: 40px;
}

.eco-benefits h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.eco-benefits h3 i {
    color: var(--success-color);
    font-size: 2.5rem;
}

.eco-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.eco-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 16px;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.eco-card:hover {
    border-color: var(--success-color);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.eco-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--success-color) 0%, #00D4AA 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 2rem;
    margin-bottom: 20px;
}

.eco-card h4 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.eco-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* =============================================
   Applications Section
   ============================================= */
.applications {
    background: var(--bg-light);
    padding: 80px 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.app-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-fast);
    position: relative;
    border: 2px solid var(--border-color);
}

.app-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
}

.app-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 2rem;
    transition: var(--transition-fast);
}

.app-card:hover .app-icon {
    transform: scale(1.1) rotate(5deg);
}

.app-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.app-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* =============================================
   Why Choose Us Section
   ============================================= */
.why-choose {
    background: white;
}

.choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.choose-card {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

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

.choose-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 2rem;
}

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

.choose-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =============================================
   Contact Section
   ============================================= */
.contact {
    background: white;
}

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

.contact-info h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1.0625rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.25rem;
}

.contact-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-text p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0;
}

.partner-cta {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
}

.partner-cta i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.partner-cta p {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 20px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(10, 95, 230, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 40px 0 20px;
}

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

.footer-company-info {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.footer-company-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

.detail-item i {
    font-size: 1.25rem;
    color: var(--primary-light);
    margin-top: 3px;
    min-width: 20px;
}

.detail-text {
    flex: 1;
}

.detail-text p {
    margin: 0;
    font-size: 0.95rem;
}

.detail-text strong {
    font-weight: 600;
    color: white;
    margin-right: 5px;
}

.address-ko {
    margin-bottom: 5px !important;
}

.address-en {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.detail-text a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition-fast);
}

.detail-text a:hover {
    color: var(--primary-light);
}

/* =============================================
   Scroll to Top Button
   ============================================= */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-fast);
    z-index: 999;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.scroll-top.visible {
    display: flex;
}

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

/* Tablet */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .title-main {
        font-size: 3rem;
    }
    
    .title-sub {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }

    .quotation-panel {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .quotation-copy {
        padding: 38px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transition: var(--transition-fast);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .logo-image {
        height: 32px;
    }

    .quotation-panel {
        border-radius: 24px;
    }

    .quotation-copy {
        padding: 30px 22px;
    }

    .quotation-steps {
        padding: 24px;
    }

    .quotation-actions {
        flex-direction: column;
    }

    .quotation-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        min-height: 100vh;
    }
    
    .hero-text-image {
        padding: 0 30px;
    }
    
    .hero-main-text {
        max-width: 384px;
    }
    
    .btn {
        display: none;
    }
    
    .hero-stats {
        display: none;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        margin-top: 40px;
    }
    
    .stat-item {
        display: none;
    }
    
    .stat-number {
        display: none;
    }
    
    .stat-label {
        display: none;
    }
    
    .about,
    .products,
    .technology,
    .reference,
    .why-choose,
    .exhibition,
    .contact {
        padding: 50px 0;
    }
    
    .about-badge {
        top: 15px;
        right: 15px;
        padding: 8px 12px;
    }
    
    .about-badge i {
        font-size: 1rem;
    }
    
    .about-badge span {
        font-size: 0.8rem;
    }
    
    .sustainability {
        background-attachment: scroll;
    }
    
    .sustainability::before {
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.5) 100%);
    }
    
    .key-strengths {
        padding: 60px 0;
    }
    
    .strengths-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .strength-card {
        padding: 20px 15px;
        min-height: 300px;
    }
    
    .strength-card::before {
        opacity: 0.4;
    }
    
    .strength-card:hover::before {
        opacity: 0.55;
    }
    
    .strength-card::after {
        height: 65%;
    }
    
    .strength-icon-wrapper {
        display: none;
    }
    
    .strength-icon {
        display: none;
    }
    
    .strength-content h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .strength-highlight {
        font-size: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .strength-detail {
        font-size: 0.75rem;
        line-height: 1.5;
        display: none; /* Hide detailed description on mobile */
    }
    
    .strength-badge {
        font-size: 0.65rem;
        padding: 4px 10px;
        top: 10px;
        right: 10px;
    }
    
    .about-video {
        max-height: 400px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-card {
        display: flex;
        flex-direction: row;
        margin-bottom: 0;
    }
    
    .product-badge {
        font-size: 0.65rem;
        padding: 4px 8px;
        top: 8px;
        right: auto;
        left: 8px;
    }
    
    .product-image {
        width: 35%;
        flex-shrink: 0;
        height: auto;
        min-height: 150px;
        padding: 10px;
    }
    
    .product-info {
        width: 65%;
        padding: 12px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .product-name {
        font-size: 1.125rem;
        margin-bottom: 0.25rem;
    }
    
    .product-capacity {
        font-size: 0.875rem;
        margin-bottom: 0.75rem;
    }
    
    .product-specs {
        padding: 10px;
        gap: 6px;
        margin-bottom: 0.75rem;
    }
    
    .spec-item {
        font-size: 0.75rem;
    }
    
    .spec-item i {
        font-size: 0.85rem;
    }
    
    .product-description {
        font-size: 0.8rem;
        margin-bottom: 0.75rem;
        line-height: 1.4;
        display: none; /* Hide description on mobile to save space */
    }
    
    .reference-logos {
        padding: 8px;
        gap: 6px;
        margin-bottom: 0.75rem;
        flex-wrap: wrap;
    }
    
    .reference-text {
        font-size: 0.7rem;
    }
    
    .reference-company {
        padding: 4px 8px;
        font-size: 0.7rem;
    }
    
    .product-btn {
        padding: 8px 16px;
        font-size: 0.75rem;
        gap: 6px;
        align-self: flex-start;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .about-text h3 {
        font-size: 1.25rem;
    }
    
    .about-description {
        font-size: 0.95rem;
    }
    
    .feature-text h4 {
        font-size: 1rem;
    }
    
    .feature-text p {
        font-size: 0.875rem;
    }
    
    .tech-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .eco-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .eco-card {
        padding: 20px;
    }
    
    .eco-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .eco-card h4 {
        font-size: 1rem;
    }
    
    .eco-card p {
        font-size: 0.875rem;
    }
    
    .partners {
        padding: 50px 0;
    }
    
    .partners .section-title {
        font-size: 1.5rem;
    }
    
    .partners-logos {
        gap: 40px;
        margin-top: 30px;
    }
    
    .partner-logo-img {
        max-width: 150px;
    }
    
    .logo-text {
        font-size: 1.5rem;
        padding: 15px 30px;
    }
    
    .tech-feature {
        padding: 20px 15px;
    }
    
    .tech-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 12px;
    }
    
    .tech-feature h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .tech-feature p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .benefit-card {
        padding: 20px 15px;
    }
    
    .benefit-number {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .benefit-card h4 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .benefit-card p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .choose-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .choose-card {
        padding: 20px 15px;
    }
    
    .choose-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
        margin-bottom: 12px;
    }
    
    .choose-card h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .choose-card p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .partnership-info {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .comparison-table {
        font-size: 0.75rem;
        min-width: 900px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px 6px;
        font-size: 0.7rem;
    }
    
    .comparison-table th {
        font-size: 0.7rem;
    }
    
    .eco-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .footer-company-info h3 {
        font-size: 1.5rem;
        margin-bottom: 25px;
        padding-bottom: 12px;
    }
    
    .detail-item {
        gap: 12px;
    }
    
    .detail-item i {
        font-size: 1.125rem;
    }
    
    .detail-text p {
        font-size: 0.875rem;
    }
    
    .address-en {
        font-size: 0.8rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero {
        min-height: 70vh;
    }
    
    .hero-bg-img {
        object-position: center bottom;
    }
    
    .hero-text-image {
        padding: 0 20px;
    }
    
    .hero-main-text {
        max-width: 256px;
    }
    
    .logo-image {
        height: 27px;
    }
    
    .about-badge {
        top: 10px;
        right: 10px;
        padding: 6px 10px;
    }
    
    .about-badge i {
        font-size: 0.875rem;
    }
    
    .about-badge span {
        font-size: 0.7rem;
    }
    
    .key-strengths {
        padding: 40px 0;
    }
    
    .strengths-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    
    .strength-card {
        padding: 15px 10px;
        min-height: 200px;
    }
    
    .strength-card::before {
        opacity: 0.35;
    }
    
    .strength-card:hover::before {
        opacity: 0.5;
    }
    
    .strength-card::after {
        height: 60%;
    }
    
    .strength-icon-wrapper {
        display: none;
    }
    
    .strength-icon {
        display: none;
    }
    
    .strength-content h3 {
        font-size: 0.875rem;
        margin-bottom: 0.4rem;
    }
    
    .strength-highlight {
        font-size: 0.7rem;
        margin-bottom: 0;
    }
    
    .strength-detail {
        display: none;
    }
    
    .strength-badge {
        font-size: 0.6rem;
        padding: 3px 8px;
        top: 8px;
        right: 8px;
    }
    
    .strengths-cta {
        margin-top: 30px;
    }
    
    .cta-box {
        padding: 25px 15px;
    }
    
    .cta-box h3 {
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }
    
    .cta-box p {
        font-size: 0.85rem;
        margin-bottom: 1.25rem;
        line-height: 1.5;
    }
    
    .cta-buttons .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
    
    .about-video {
        max-height: 300px;
    }
    
    .reference-info {
        padding: 20px 15px;
    }
    
    .reference-info h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .reference-desc {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 1.25rem;
    }
    
    .partners {
        padding: 40px 0;
    }
    
    .partners .section-title {
        font-size: 1.25rem;
    }
    
    .partners-logos {
        gap: 30px;
        margin-top: 25px;
    }
    
    .partner-logo-img {
        max-width: 120px;
    }
    
    .logo-text {
        font-size: 1.25rem;
        padding: 12px 25px;
    }
    
    .hero-stats {
        display: none;
    }
    
    .stat-item {
        display: none;
    }
    
    .stat-number {
        display: none;
    }
    
    .stat-label {
        display: none;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .product-card {
        display: flex;
        flex-direction: row;
    }
    
    .product-badge {
        font-size: 0.6rem;
        padding: 3px 6px;
        left: 6px;
    }
    
    .product-image {
        width: 35%;
        min-height: 130px;
        padding: 8px;
    }
    
    .product-info {
        width: 65%;
        padding: 10px;
    }
    
    .product-name {
        font-size: 1rem;
    }
    
    .product-capacity {
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }
    
    .product-specs {
        padding: 8px;
        gap: 4px;
        margin-bottom: 0.5rem;
    }
    
    .spec-item {
        font-size: 0.7rem;
    }
    
    .spec-item i {
        font-size: 0.75rem;
    }
    
    .product-description {
        display: none;
    }
    
    .reference-logos {
        padding: 6px;
        gap: 4px;
        margin-bottom: 0.5rem;
    }
    
    .reference-text,
    .reference-company {
        font-size: 0.65rem;
        padding: 3px 6px;
    }
    
    .product-btn {
        padding: 6px 12px;
        font-size: 0.7rem;
    }
    
    .tech-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .benefit-card {
        padding: 15px 12px;
    }
    
    .benefit-number {
        font-size: 1.75rem;
        margin-bottom: 0.4rem;
    }
    
    .benefit-card h4 {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }
    
    .benefit-card p {
        font-size: 0.75rem;
        line-height: 1.3;
    }
    
    .choose-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .tech-feature,
    .choose-card {
        padding: 15px 12px;
    }
    
    .tech-icon,
    .choose-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .tech-feature h3,
    .choose-card h3 {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }
    
    .tech-feature p,
    .choose-card p {
        font-size: 0.75rem;
        line-height: 1.3;
    }
    
    .product-card {
        min-width: unset;
    }
    
    .product-image {
        height: 220px;
        padding: 15px;
    }
    
    .product-info {
        padding: 20px;
    }
    
    .product-name {
        font-size: 1.5rem;
    }
    
    .about,
    .products,
    .technology,
    .reference,
    .why-choose,
    .exhibition,
    .contact {
        padding: 40px 0;
    }
    
    .section-header {
        margin-bottom: 25px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .tech-feature,
    .choose-card {
        padding: 25px 20px;
    }
    
    .benefit-card {
        padding: 25px;
    }
    
    .contact-info h3,
    .exhibition-info h2,
    .reference-info h3 {
        font-size: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 25px 20px;
    }
    
    .footer-company-info h3 {
        font-size: 1.25rem;
        margin-bottom: 20px;
        padding-bottom: 10px;
    }
    
    .company-details {
        gap: 15px;
    }
    
    .detail-item {
        gap: 10px;
        flex-direction: row;
    }
    
    .detail-item i {
        font-size: 1rem;
        margin-top: 2px;
    }
    
    .detail-text p {
        font-size: 0.8rem;
    }
    
    .address-en {
        font-size: 0.75rem;
    }
    
    .footer-bottom {
        padding-top: 20px;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
    }
}