:root {
    --primary: #1863DC;
    --primary-light: #2E7FF2;
    --primary-dark: #0F4BA8;
    --secondary: #00C7BE;
    --accent: #FF6B35;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --white: #FFFFFF;
    --black: #000000;
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 5rem;
    --space-5xl: 6rem;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    --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);
    
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Section */
.splitting-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0F172A 0%, #1863DC 100%);
    overflow: hidden;
    margin-top: 80px;
}

.splitting-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><circle cx="30" cy="30" r="1"/></g></svg>') repeat;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateX(0) translateY(0); }
    100% { transform: translateX(-60px) translateY(-60px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: var(--space-4xl) 0;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(24, 99, 220, 0.2);
    border: 1px solid rgba(24, 99, 220, 0.3);
    border-radius: var(--radius-full);
    color: #00C7BE;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--white);
}

.hero-title-accent {
    display: block;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

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

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

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

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

/* Sections */
.section {
    padding: var(--space-5xl) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-4xl);
}

.section-subtitle {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* Overview Section */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3xl);
    align-items: center;
}

.overview-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--gray-900);
}

.overview-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-text strong {
    display: block;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.feature-text span {
    color: var(--gray-600);
    line-height: 1.6;
}

.overview-image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--gray-100);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Capabilities Section */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.capability-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.capability-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.capability-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--gray-900);
}

.capability-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

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

.capability-list li {
    padding: var(--space-sm) 0;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.capability-list li::before {
    content: "✓";
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.125rem;
}

/* Materials Section */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.material-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--gray-100);
    transition: var(--transition-base);
}

.material-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.material-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.material-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Process Section */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.flow-item {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
}

.flow-marker {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-content {
    flex: 1;
}

.flow-content h4 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.flow-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Quality Section */
.quality-section {
    background: linear-gradient(135deg, #0F172A 0%, #1863DC 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding: var(--space-5xl) 0;
}

.quality-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><circle cx="30" cy="30" r="1"/></g></svg>') repeat;
    opacity: 0.5;
}

.quality-section .container {
    position: relative;
    z-index: 1;
}

.quality-section .section-title,
.quality-section .section-subtitle {
    color: var(--white);
}

.quality-section .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
}

.quality-item {
    text-align: center;
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.quality-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.quality-item i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: var(--space-lg);
    display: block;
}

.quality-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.quality-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    background: var(--gray-900);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding: var(--space-5xl) 0;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(24, 99, 220, 0.1) 0%, rgba(0, 199, 190, 0.1) 100%);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-2xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-text .section-title {
    color: var(--white);
    text-align: left;
    margin-bottom: var(--space-lg);
    font-size: 2rem;
}

.cta-text p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 500px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-lg);
}

.cta-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.contact-item i {
    width: 20px;
    font-size: 1rem;
    color: var(--secondary);
}

.contact-item a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
}

.contact-item a:hover {
    color: var(--secondary);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .footer-logo {
    margin-bottom: var(--space-lg);
}

.footer-logo-img {
    max-height: 38px;
    width: auto;
    opacity: 0.9;
}

.footer-description {
    color: var(--gray-400);
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.footer-contact p {
    margin-bottom: var(--space-sm);
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-400);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: var(--gray-400);
    text-decoration: none;
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .splitting-hero {
        min-height: 50vh;
    }

    .overview-grid,
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .materials-grid {
        grid-template-columns: 1fr;
    }

    .quality-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .cta-actions {
        align-items: center;
    }

    .flow-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}