:root {
    --primary-color: #082464;
    --secondary-color: #0a3399;
    --accent-color: #1e4fcc;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #94a3b8;
}

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

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

/* Navigation */
#mainNav {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    padding: 1rem 0;
}

#mainNav.navbar-shrink {
    padding: 0.5rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--secondary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--secondary-color) !important;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.navbar-nav .nav-item.active > .nav-link {
    color: var(--secondary-color) !important;
}

.navbar-nav .nav-item.active > .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
}

.dropdown-menu {
    background-color: #fff;
    border: 1px solid rgba(0,0,0,0.1);
}

.dropdown-item {
    color: var(--text-dark);
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-color) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::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 1440 320"><path fill="%23ffffff05" fill-opacity="1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    color: white;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.floating-card:nth-child(1) {
    top: 0;
    left: 20%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 40%;
    right: 10%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 10%;
    left: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Sections */
section {
    position: relative;
    z-index: 1;
}

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

.divider {
    width: 60px;
    height: 4px;
    background-color: var(--secondary-color);
    margin: 0 auto;
    border: none;
}

/* Info Card */
.info-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Service Cards */
.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

/* Product Section */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.product-showcase {
    padding: 2rem;
}

.screen-mockup {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    padding: 2rem;
    position: relative;
}

.screen-mockup::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #ddd;
    border-radius: 3px;
}

.screen-content {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 5px;
    min-height: 300px;
}

.demo-chart {
    height: 200px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    opacity: 0.2;
    border-radius: 5px;
    margin-top: 1rem;
}

/* Development Cards */
.dev-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    height: 100%;
}

.dev-card:hover {
    transform: translateY(-5px);
}

.dev-card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
}

.dev-card-body {
    padding: 1.5rem;
}

.dev-date {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Contact Section */
.contact-info {
    padding: 2rem;
}

.contact-item {
    display: flex;
    align-items: start;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: 1.5rem;
    margin-top: 0.5rem;
}

.contact-form {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.form-control {
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
}

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

.btn-outline-light {
    border: 2px solid white;
    color: white;
}

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

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-visual {
        display: none;
    }
    
    .section-heading {
        font-size: 2rem;
    }
    
    .floating-card {
        position: static;
        margin-bottom: 1rem;
    }
}