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

:root {
    --primary-color: #1a4d8f;
    --secondary-color: #2c7be5;
    --accent-color: #00d4ff;
    --dark-bg: #0f1419;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --gradient-1: linear-gradient(135deg, #1a4d8f 0%, #2c7be5 100%);
    --gradient-2: linear-gradient(135deg, #2c7be5 0%, #00d4ff 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.nav-brand h1 {
    color: var(--accent-color);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    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(--accent-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(--accent-color);
}

/* Hero Section */
.hero {
    background: var(--gradient-1);
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="100" cy="100" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="300" cy="200" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="500" cy="150" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="700" cy="250" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="900" cy="100" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="1100" cy="200" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-light);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--dark-bg);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
}

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

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--light-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--gradient-2);
    margin: 1rem auto;
    border-radius: 2px;
}

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

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* Industries Section */
.industries {
    padding: 5rem 0;
    background: white;
}

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

.industries-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.industries-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.industries-list li {
    padding: 1rem 1.5rem;
    background: var(--light-bg);
    border-left: 4px solid var(--secondary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.industries-list li:hover {
    background: var(--gradient-1);
    color: white;
    border-left-color: var(--accent-color);
    transform: translateX(10px);
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: var(--gradient-2);
    text-align: center;
    color: var(--text-light);
}

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

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

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

.footer-col h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-col p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-col a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}