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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 120px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

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

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

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

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

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

.features {
    padding: 80px 20px;
    background-color: var(--bg-white);
}

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

.feature-card {
    padding: 2.5rem;
    background-color: var(--bg-light);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.about-preview {
    padding: 80px 20px;
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.industries {
    padding: 80px 20px;
    background-color: var(--bg-white);
    text-align: center;
}

.industries h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.industry-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    text-align: left;
    transition: all 0.3s ease;
}

.industry-card:hover {
    border-left-width: 6px;
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.industry-card h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 80px 20px;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.footer {
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 60px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 0.95rem;
}

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

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

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--text-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 80px 20px;
    text-align: center;
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.25rem;
    opacity: 0.95;
}

.content-section {
    padding: 80px 20px;
    background-color: var(--bg-white);
}

.content-main {
    max-width: 900px;
    margin: 0 auto;
}

.content-main h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.content-list li {
    padding-left: 2rem;
    margin-bottom: 1rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
}

.content-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.expertise-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-top: 3px solid var(--primary-color);
}

.expertise-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

.why-choose {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.why-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

.why-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.why-item p {
    margin-bottom: 0;
}

.services-section {
    padding: 80px 20px;
    background-color: var(--bg-white);
}

.service-detail {
    margin-bottom: 5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-icon-large {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-detail h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-intro {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

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

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

.solutions-section {
    padding: 80px 20px;
    background-color: var(--bg-white);
}

.solutions-intro {
    max-width: 900px;
    margin: 0 auto 4rem;
    text-align: center;
}

.solutions-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.solutions-intro p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

.solution-category {
    margin-bottom: 5rem;
}

.solution-category h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.solution-card {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.solution-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.solution-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.solution-benefits {
    list-style: none;
}

.solution-benefits li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
}

.solution-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

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

.industry-solution-item {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-top: 3px solid var(--accent-color);
}

.industry-solution-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.industry-solution-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.solution-process {
    margin-top: 5rem;
    background-color: var(--bg-light);
    padding: 4rem 2rem;
    border-radius: 12px;
}

.solution-process h2 {
    font-size: 2.25rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
    text-align: center;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.process-step {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

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

.contact-section {
    padding: 80px 20px;
    background-color: var(--bg-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

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

.contact-text a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-text a:hover {
    text-decoration: underline;
}

.business-hours {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

.business-hours h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.business-hours p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.contact-form-container h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

.map-section {
    padding: 60px 20px;
    background-color: var(--bg-light);
}

.map-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

.map-placeholder {
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 4rem;
    text-align: center;
    color: var(--text-light);
    font-size: 1.125rem;
}

.legal-content {
    padding: 60px 20px;
    background-color: var(--bg-white);
}

.legal-document {
    max-width: 900px;
    margin: 0 auto;
}

.legal-document h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.legal-document h2:first-child {
    margin-top: 0;
}

.legal-document h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.legal-document h4 {
    font-size: 1.125rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.legal-document p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.legal-document ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-document ul li {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

.legal-document a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-document a:hover {
    text-decoration: underline;
}

.developer-info,
.company-info,
.contact-box {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
}

.developer-info p,
.company-info p,
.contact-box p {
    margin-bottom: 0.75rem;
}

.developer-info p:last-child,
.company-info p:last-child,
.contact-box p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .feature-grid,
    .about-stats,
    .industry-grid,
    .expertise-grid,
    .why-choose,
    .service-features,
    .solution-grid,
    .industry-solutions,
    .process-steps,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .page-hero h1 {
        font-size: 2rem;
    }

    .page-hero p {
        font-size: 1rem;
    }

    .content-main h2 {
        font-size: 1.5rem;
    }

    .service-detail h2,
    .solution-category h2,
    .solution-process h2 {
        font-size: 1.75rem;
    }

    .contact-info h2,
    .contact-form-container h2 {
        font-size: 1.75rem;
    }

    .legal-document h2 {
        font-size: 1.5rem;
    }

    .legal-document h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 1rem 20px;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
        margin-top: 1rem;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .features,
    .about-preview,
    .industries,
    .cta,
    .content-section,
    .services-section,
    .solutions-section,
    .contact-section,
    .legal-content {
        padding: 60px 20px;
    }

    .footer {
        padding: 40px 20px 20px;
    }
}