:root {
    /*--primary-color: #0d6efd;*/
    --primary-color: #2d507a;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    --light-bg: #f8f9fa;
}

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

.navbar {
    background-color: var(--dark-color) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    padding: 50px 0 40px 0;
}

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

.hero-section .lead {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.hero-section .lead a {
    color: white;
    text-decoration: none;
    font-weight: 700;
}

.btn-hero {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    margin-right: 1rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-hero:hover {
    background-color: transparent;
    color: white;
}

.btn-hero-outline {
    background-color: transparent;
    color: white;
    border: 2px solid white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    margin-bottom: 1rem;
    display: inline-block;
    transition: all 0.3s ease;
}

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

.features-section {
    padding: 40px 0;
    background-color: var(--light-bg);
}

.feature-card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.carousel-item img {
    width: 100%;
    height: 450px;
    object-fit: scale-down;
    border-radius: 8px;
}

.carousel-ctrl-icon {
    font-size: 2rem;
    color: darkgrey;
}

.download-section {
    padding: 40px 0;
    background-color: var(--dark-color);
    color: white;
}

.download-card {
    background: white;
    color: var(--dark-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #dee2e6;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.download-card .platform-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.download-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: block;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.download-btn:hover {
    background-color: #0056b3;
    color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.section-title h2 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

footer {
    background-color: #343a40;
    color: white;
    padding: 40px 0;
}

footer a {
    color: #adb5bd;
    text-decoration: none;
}

footer a:hover {
    color: white;
}

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