/* ========================================
   Global Clean Energy Corporate Website
   CSS Stylesheet
   ======================================== */

/* ===== Variables ===== */
:root {
    /* Colors */
    --primary-color: #0066cc;
    --secondary-color: #00a86b;
    --accent-color: #ff6b35;
    --dark-color: #1a1a1a;
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-gray: #e9ecef;
    --white: #ffffff;
    --border-color: #dee2e6;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, #0066cc 0%, #004c99 100%);
    --secondary-gradient: linear-gradient(135deg, #00a86b 0%, #008557 100%);
    --hero-gradient: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 168, 107, 0.85) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;
    
    /* 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 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

strong {
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-gray {
    background-color: var(--bg-light);
}

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

.section-title {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: var(--spacing-md);
}

/* ===== Header & Navigation ===== */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
}

.logo-image {
    height: 80px;
    width: auto;
    max-width: 500px;
    object-fit: contain;
}

.logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background-color: rgba(0, 102, 204, 0.1);
}

.btn-contact {
    background: var(--primary-gradient);
    color: var(--white) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
}

.btn-contact:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    text-align: center;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url('../images/hero-banner.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--hero-gradient);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: #ffd700;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    opacity: 0.8;
}

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

/* ===== Animations ===== */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in.delay-1 {
    animation-delay: 0.3s;
    animation-fill-mode: backwards;
}

.fade-in.delay-2 {
    animation-delay: 0.6s;
    animation-fill-mode: backwards;
}

.fade-in.delay-3 {
    animation-delay: 0.9s;
    animation-fill-mode: backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== About Preview Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.3;
}

/* ===== Features Section ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

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

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

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--dark-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Products Preview Section ===== */
.product-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.product-specs h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.product-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.specs-list {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.spec-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.spec-item strong {
    display: block;
    margin-bottom: 4px;
    color: var(--dark-color);
}

.spec-item span {
    color: var(--text-light);
    font-size: 0.875rem;
}

.product-visual {
    display: flex;
    justify-content: center;
}

.visual-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.visual-placeholder i {
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.3;
}

/* ===== CTA Section ===== */
.cta {
    background: var(--hero-gradient);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.cta .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

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

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, #003d7a 0%, #001f3f 50%, #004c6d 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 4px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ===== Page Header ===== */
.page-header {
    background: var(--primary-gradient);
    color: var(--white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.page-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== Company Info ===== */
.info-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.info-main h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid var(--border-color);
}

.info-table th,
.info-table td {
    padding: var(--spacing-md);
    text-align: left;
}

.info-table th {
    font-weight: 600;
    color: var(--text-light);
    width: 150px;
}

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

.map-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.map-placeholder p {
    color: var(--text-light);
}

/* ===== CEO Message ===== */
.message-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.message-subtitle {
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
}

.message-body {
    display: grid;
    gap: var(--spacing-lg);
}

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

.photo-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-md);
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.photo-placeholder i {
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.ceo-name {
    margin-top: var(--spacing-md);
}

.position {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
}

.message-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.message-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
}

.signature {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.signature-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== Timeline ===== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow-md);
}

.timeline-date {
    text-align: right;
    font-weight: 700;
    color: var(--primary-color);
    padding-top: var(--spacing-sm);
}

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

.timeline-content h3 {
    margin-bottom: var(--spacing-xs);
}

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

/* ===== Vision Section ===== */
.vision-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.vision-item {
    text-align: center;
    padding: var(--spacing-lg);
}

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

.vision-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.vision-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== Service Pages ===== */
.service-overview {
    max-width: 900px;
    margin: 0 auto;
}

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

.lead {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
}

.service-features {
    margin-top: var(--spacing-md);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

.service-features i {
    color: var(--secondary-color);
}

/* ===== Battery Technology ===== */
.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.tech-explanation h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.tech-benefits {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

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

.benefit-text h4 {
    margin-bottom: 4px;
    font-size: 1rem;
}

.benefit-text p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.tech-visual {
    display: flex;
    justify-content: center;
}

.visual-diagram {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.visual-diagram i {
    font-size: 6rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.visual-diagram p {
    color: var(--text-light);
    text-align: center;
}

/* ===== Advantages Section ===== */
.advantages-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.advantage-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    padding-left: calc(var(--spacing-lg) + 80px);
}

.advantage-number {
    position: absolute;
    left: var(--spacing-lg);
    top: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.advantage-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.advantage-item p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.advantage-details {
    display: grid;
    gap: var(--spacing-xs);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.875rem;
}

.detail-item i {
    color: var(--secondary-color);
}

/* ===== Process Section ===== */
.process-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.step-item {
    flex: 1;
    min-width: 150px;
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    box-shadow: var(--shadow-md);
}

.step-item h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.step-item p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.step-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* ===== Product Pages ===== */
.product-hero {
    background: var(--bg-light);
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.product-intro {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.product-highlights {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.highlight-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: 20px;
    font-weight: 600;
}

.visual-placeholder.large {
    max-width: 500px;
}

/* ===== Specifications ===== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.spec-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

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

.spec-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
}

.spec-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.spec-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.spec-unit {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.spec-description {
    color: var(--text-light);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ===== Product Features ===== */
.features-list {
    display: grid;
    gap: var(--spacing-xl);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse > * {
    direction: ltr;
}

.feature-image .image-placeholder {
    max-width: 100%;
}

.feature-content h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-content h3 i {
    color: var(--secondary-color);
}

.detail-list {
    margin-top: var(--spacing-md);
}

.detail-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    color: var(--text-light);
}

.detail-list i {
    color: var(--secondary-color);
}

/* ===== ROI Section ===== */
.roi-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.roi-calculator {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.roi-calculator h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.calc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.calc-item.highlight {
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    border: none;
}

.calc-label {
    font-weight: 600;
}

.calc-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.roi-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-light);
}

.roi-chart h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.chart-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.chart-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.revenue-sources h4 {
    margin-bottom: var(--spacing-md);
}

.revenue-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.revenue-item i {
    color: var(--secondary-color);
}

/* ===== Applications Section ===== */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.app-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

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

.app-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
}

.app-card h3 {
    margin-bottom: var(--spacing-md);
}

.app-card p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* ===== Contact Page ===== */
.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.contact-intro h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.contact-method {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.contact-method h3 {
    margin-bottom: var(--spacing-md);
}

.phone-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.email-address {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.email-address a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition-normal);
    word-break: break-all;
}

.email-address a:hover {
    border-bottom-color: var(--primary-color);
}

.business-hours,
.response-time,
.visit-note {
    color: var(--text-light);
    font-size: 0.875rem;
}

.address {
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

/* ===== Contact Form ===== */
.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-header h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.required {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-left: 4px;
}

.optional {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: underline;
}

.privacy-link:hover {
    color: var(--secondary-color);
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ===== Map Section ===== */
.map-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.map-info h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 4px;
}

.info-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.info-item p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

.map-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.map-placeholder p {
    color: var(--text-light);
}

.map-container {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.map-container iframe {
    display: block;
    width: 100%;
}

/* ===== Modal ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

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

.modal-content {
    background-color: var(--white);
    margin: var(--spacing-lg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    float: right;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--dark-color);
}

.modal-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.modal-body h3,
.modal-body h4 {
    color: var(--dark-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.modal-body ul {
    list-style: disc;
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.modal-body li {
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

/* ===== Product Detail Styles ===== */
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.product-showcase-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-showcase-info h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.product-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-feature-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: start;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.product-feature-item i {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-top: 4px;
}

.product-feature-item strong {
    display: block;
    color: var(--dark-color);
    margin-bottom: 4px;
}

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

.product-tech-specs {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
}

.product-tech-specs h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th,
.specs-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.specs-table th {
    background: var(--white);
    font-weight: 600;
    color: var(--dark-color);
    width: 35%;
}

.specs-table td {
    color: var(--text-light);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
    border-bottom: none;
}

.product-advantages {
    margin-bottom: var(--spacing-xl);
}

.product-advantages h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

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

.advantage-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

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

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.advantage-icon i {
    font-size: 2rem;
    color: var(--white);
}

.advantage-card h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

.product-applications {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: 12px;
}

.product-applications h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.applications-list {
    list-style: none;
    padding: 0;
}

.applications-list li {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    gap: var(--spacing-sm);
    align-items: start;
}

.applications-list i {
    color: var(--secondary-color);
    font-size: 1.25rem;
    margin-top: 2px;
}

.applications-list strong {
    color: var(--primary-color);
}

/* ===== Service Page Additional Styles ===== */
.how-it-works {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: 12px;
}

.how-it-works h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.mechanism-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    position: relative;
    padding-top: calc(var(--spacing-lg) + 40px);
}

.mechanism-number {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.mechanism-card h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.mechanism-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.mechanism-card strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.applications-section {
    margin: var(--spacing-xl) 0;
}

.applications-section h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.application-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.application-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.application-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.application-item h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.application-item > p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.application-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.application-details li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    font-size: 0.9rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.application-details li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.tech-benefits-detailed {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl);
    background: var(--bg-gray);
    border-radius: 12px;
}

.tech-benefits-detailed h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.benefits-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.benefits-column h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.benefits-column h4 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-light);
    line-height: 1.6;
}

.benefits-list li i {
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.benefits-list strong {
    color: var(--dark-color);
}

.implementation-process {
    margin: var(--spacing-xl) 0;
}

.implementation-process h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.process-step {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition-normal);
}

.process-step:hover {
    border-left-width: 8px;
    transform: translateX(5px);
}

.step-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.step-content h4 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

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

/* ===== Contact Form Enhancements ===== */
.form-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-sm);
    border-left: 4px solid var(--primary-color);
}

.checkbox-group-vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-group-vertical .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkbox-group-vertical .checkbox-label:hover {
    background: var(--bg-gray);
}

.checkbox-group-vertical input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-header p {
    color: var(--text-light);
    line-height: 1.7;
    margin-top: var(--spacing-sm);
}

/* ===== Homepage Enhancement Styles ===== */
.mission-vision {
    background: var(--bg-gray);
}

.mission-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.mission-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

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

.mission-card.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.mission-card.primary h3,
.mission-card.primary p {
    color: var(--white);
}

.mission-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.mission-card.primary .mission-icon {
    background: rgba(255, 255, 255, 0.2);
}

.mission-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.mission-card.primary .mission-icon i {
    color: var(--white);
}

.mission-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.mission-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.technology-innovation {
    padding: var(--spacing-xl) 0;
}

.tech-innovation-content {
    margin-top: var(--spacing-xl);
}

.innovation-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: 12px;
}

.innovation-item.reverse {
    grid-template-columns: 1fr 200px;
    direction: rtl;
}

.innovation-item.reverse .innovation-text {
    direction: ltr;
}

.innovation-visual {
    position: relative;
    text-align: center;
}

.innovation-number {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.innovation-visual i {
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.8;
}

.innovation-text h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.innovation-text p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.innovation-points {
    list-style: none;
    padding: 0;
}

.innovation-points li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.innovation-points i {
    color: var(--secondary-color);
    font-size: 1rem;
}

.business-model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.model-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    position: relative;
    border-top: 4px solid var(--primary-color);
}

.model-badge {
    position: absolute;
    top: -15px;
    right: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.model-card h3 {
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.model-card h3 i {
    color: var(--primary-color);
}

.model-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.model-example {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.example-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.example-row:last-child {
    border-bottom: none;
}

.example-row.highlight {
    background: rgba(0, 168, 107, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.example-label {
    color: var(--text-light);
}

.example-value {
    color: var(--primary-color);
    font-weight: 600;
}

.model-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.benefit-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--bg-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.benefit-tag i {
    color: var(--secondary-color);
}

.revenue-summary {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 168, 107, 0.05));
    border-radius: 12px;
    text-align: center;
}

.revenue-summary h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.revenue-summary p {
    color: var(--text-light);
    line-height: 1.7;
    max-width: 800px;
    margin: 0 auto;
}

.sustainability-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.section-label {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.sustainability-text h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
}

.sustainability-text .lead {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.sustainability-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.sustain-stat {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: 12px;
}

.sustain-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.sustain-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.sustainability-points {
    list-style: none;
    padding: 0;
}

.sustainability-points li {
    padding: var(--spacing-md) 0;
    color: var(--text-light);
    line-height: 1.7;
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
}

.sustainability-points i {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-top: 2px;
}

.sustainability-visual {
    position: relative;
}

.sdgs-badge {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.sdgs-badge p {
    margin: 0;
    color: var(--dark-color);
    font-weight: 600;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    
    .product-highlight,
    .tech-content,
    .product-hero-content,
    .roi-content {
        grid-template-columns: 1fr;
    }
    
    .feature-row {
        grid-template-columns: 1fr;
    }
    
    .feature-row.reverse {
        direction: ltr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .map-content {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
    }
    
    .product-features-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-columns {
        grid-template-columns: 1fr;
    }
    
    .mechanism-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .innovation-item,
    .innovation-item.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .sustainability-content {
        grid-template-columns: 1fr;
    }
    
    .sustainability-stats {
        grid-template-columns: 1fr;
    }
    
    .model-card {
        margin-top: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .logo-image {
        height: 50px;
        max-width: 280px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title { font-size: 2rem; }
    .hero-description { font-size: 1rem; }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
    }
    
    .timeline-item::after {
        left: 20px;
        transform: none;
    }
    
    .timeline-date {
        text-align: left;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .advantage-item {
        padding-left: var(--spacing-lg);
        padding-top: calc(var(--spacing-lg) + 80px);
    }
    
    .advantage-number {
        left: 50%;
        top: var(--spacing-lg);
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .section { padding: var(--spacing-lg) 0; }
    .hero-title { font-size: 1.75rem; }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}