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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
}

.navbar .navbar-brand {
    color: #00d4ff;
    font-weight: 700;
    font-size: 1.6rem;
}

.navbar .navbar-brand .highlight {
    color: #fff;
}

.navbar .nav-link {
    color: #e6e6e6 !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.navbar .nav-link:hover {
    color: #00d4ff !important;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00d4ff;
    transition: width 0.3s ease;
}

.navbar .nav-link:hover::after {
    width: 100%;
}

.navbar .btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    border: none;
    font-weight: 600;
    padding: 0.5rem 1.2rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.navbar .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 50%, #0f2740 100%);
    min-height: 100vh;
    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" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%230a192f"/><circle cx="20" cy="20" r="1" fill="%2300d4ff" opacity="0.3"/><circle cx="50" cy="50" r="1.5" fill="%2300d4ff" opacity="0.2"/><circle cx="80" cy="80" r="1" fill="%2300d4ff" opacity="0.25"/></svg>');
    background-size: 200px;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    color: #fff;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero .tagline {
    font-size: 1.5rem;
    color: #00d4ff;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.hero .lead {
    font-size: 1.2rem;
    color: #b6c2d6;
    margin-bottom: 2rem;
}

.hero .cta-buttons .btn {
    padding: 0.7rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.hero .cta-buttons .btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    border: none;
}

.hero .cta-buttons .btn-outline-primary {
    border-color: #00d4ff;
    color: #00d4ff;
    background: transparent;
}

.hero .cta-buttons .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* Section titles */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.2rem;
    color: #0a192f;
    font-weight: 700;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
}

.section-title p {
    color: #666;
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

/* Features Grid */
.features-grid {
    background: #f8f9fa;
    padding: 4rem 0;
}

.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: #fff;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: #0a192f;
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-card p {
    color: #6c757d;
    font-size: 0.95rem;
}

/* Services Section */
.services-section {
    padding: 5rem 0;
    background: #fff;
}

.service-item {
    margin-bottom: 2rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #00d4ff;
    transition: all 0.3s ease;
}

.service-item:hover {
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: translateX(5px);
}

.service-item h3 {
    color: #0a192f;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.service-item ul {
    margin-top: 1rem;
    color: #6c757d;
}

.service-item ul li {
    margin-bottom: 0.3rem;
}

/* Stats Counter */
.stats-counter {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    padding: 3rem 0;
    color: #fff;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d4ff;
}

.stat-label {
    font-size: 1.1rem;
    color: #b6c2d6;
    margin-top: 0.3rem;
}

/* Testimonials */
.testimonials {
    background: #fff;
    padding: 5rem 0;
}

.testimonial-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.quote-icon {
    font-size: 2rem;
    color: #00d4ff;
    opacity: 0.3;
    float: left;
    margin: -10px 10px 0 0;
}

/* Contact */
.contact-section {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    padding: 5rem 0;
    color: #fff;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-icon {
    font-size: 1.8rem;
    color: #00d4ff;
    margin-bottom: 0.8rem;
}

.contact-form .form-control,
.contact-form .form-label {
    color: #fff;
}

.contact-form .form-control {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
}

.contact-form .form-control::placeholder {
    color: #b6c2d6;
}

.contact-form .btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    border: none;
    font-weight: 600;
    padding: 0.7rem 2rem;
    transition: all 0.3s ease;
}

.contact-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

/* Demo Dashboard */
.demo-header {
    background: linear-gradient(135deg, #0a192f 0%, #172a45 100%);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-header .logo {
    color: #00d4ff;
    font-weight: 700;
    font-size: 1.4rem;
}

.demo-sidebar {
    min-height: calc(100vh - 70px);
    background: #0a192f;
    padding: 1rem 0;
}

.demo-sidebar .nav-link {
    color: #b6c2d6;
    padding: 0.8rem 1.5rem;
    display: block;
    transition: all 0.3s ease;
    border-radius: 0;
    border: none;
    font-weight: 500;
}

.demo-sidebar .nav-link:hover,
.demo-sidebar .nav-link.active {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
}

.demo-sidebar .nav-link i {
    margin-right: 10px;
    width: 20px;
}

.demo-content {
    background: #f0f2f5;
    min-height: calc(100vh - 70px);
    padding: 2rem;
}

.demo-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
    border: none;
}

.demo-card .card-header {
    background: #f8f9fa;
    border: none;
    font-weight: 600;
    color: #0a192f;
    padding: 1rem 1.5rem;
    border-radius: 12px 12px 0 0 !important;
}

/* Badges */
.badge-blue {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: #fff;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    padding: 4rem 0;
    text-align: center;
    color: #fff;
    margin: 4rem 0;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section .btn {
    padding: 0.7rem 2rem;
    font-weight: 600;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: #0a192f;
    color: #b6c2d6;
    padding: 3rem 0 1rem;
}

.footer h5,
.footer .footer-title {
    color: #fff;
    font-weight: 600;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

.footer a {
    color: #b6c2d6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #00d4ff;
}

.footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

.social-icons a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: #00d4ff;
    color: #0a192f;
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .tagline {
        font-size: 1.2rem;
    }

    .nav-link {
        margin: 0.3rem 0 !important;
    }

    .hero-image {
        margin-top: 2rem;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}