:root {
    --primary-color: #6f42c1;
    --secondary-color: #0df2c9;
    --dark-bg: #1a1a2e;
    --card-bg: #1f203a;
    --light-text: #f0f0f0;
    --muted-text: #a0a0b0;
}

body {
    background-color: var(--dark-bg);
    color: var(--light-text);
    font-family: 'Poppins', sans-serif;
}

.navbar {
    transition: background-color 0.3s ease, padding 0.3s ease;
    background-color: transparent;
}

.navbar.scrolled {
    background-color: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.navbar-brand {
    font-weight: bold;
    color: var(--light-text);
}

.nav-link {
    color: var(--muted-text);
    transition: color 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--light-text);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: background-color 0.2s, transform 0.2s;
}

.btn-primary:hover {
    background-color: #5a35a1;
    transform: translateY(-2px);
}

.hero {
    padding: 10rem 0;
    background: linear-gradient(45deg, #1a1a2e, #16213e);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    color: var(--muted-text);
}

.store-buttons .btn {
    background-color: #333;
    color: white;
    border: none;
    margin: 0.5rem;
    padding: 0.75rem 1.5rem;
}

.phone-mockup {
    margin-top: 4rem;
    max-width: 300px;
}

.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 700;
}

.feature-card, .review-card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #3a3b5c;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover, .review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.feature-card .icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.review-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

#newsletter {
    background-color: var(--card-bg);
    padding: 4rem 0;
    border-radius: 1rem;
}

.form-control {
    background-color: #2a2b4a;
    border: 1px solid #3a3b5c;
    color: var(--light-text);
}

.form-control:focus {
    background-color: #2a2b4a;
    border-color: var(--primary-color);
    color: var(--light-text);
    box-shadow: none;
}

.footer {
    background-color: #16213e;
    padding: 3rem 0;
    margin-top: 6rem;
}

.footer a {
    color: var(--muted-text);
    text-decoration: none;
    transition: color 0.2s;
}

.footer a:hover {
    color: var(--light-text);
}