:root {
    --primary-color: #f76f53;
    --secondary-color: #e3dacc;
    --background-color: #f2f0e3;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--dark-color);
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: bold;
}

.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?q=80&w=1974&auto=format&fit=crop') no-repeat center center;
    background-size: cover;
    min-height: 80vh;
    padding: 6rem 0;
}

.hero-section h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--dark-color);
    font-weight: bold;
}

.btn-primary:hover {
    background-color: #e06245;
    border-color: #e06245;
    color: var(--dark-color);
}

.feature-card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--secondary-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

#install {
    background-color: var(--background-color);
}

.accordion-button {
    background-color: var(--secondary-color);
    color: var(--dark-color);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(247, 111, 83, 0.5);
}

.accordion-item {
    background-color: var(--light-color);
    border-color: #ddd;
}