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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --text-color: #334155;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --gradient-1: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-2: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    --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-color);
    background-color: #ffffff;
}

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

.header {
    background: #ffffff;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    flex: 1;
}

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

.tagline {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

.hero {
    position: relative;
    background: var(--gradient-1);
    color: white;
    padding: 120px 0;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

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

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-color);
    opacity: 0.8;
}

.features {
    padding: 100px 0;
    background: var(--light-color);
}

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

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.industries {
    padding: 100px 0;
    background: white;
}

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

.industries-text h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.industries-text p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.industries-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.8;
}

.industries-list li:last-child {
    border-bottom: none;
}

.industries-list strong {
    color: var(--primary-color);
    font-weight: 600;
}

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

.stat-card {
    background: var(--gradient-1);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.cta-section {
    padding: 100px 0;
    background: var(--gradient-1);
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

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

.footer-col h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-col h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--accent-color);
}

.footer-col p {
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

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

.footer-col a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-col a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.7;
}

.footer-bottom p {
    margin: 0.5rem 0;
}

.contact-info li {
    opacity: 0.8;
}

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
        width: 100%;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .industries-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .industries-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 80px 0;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features,
    .industries,
    .cta-section {
        padding: 60px 0;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}