/* Variables */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #6b7280;
    --background-color: #f3f4f6;
    --text-color: #1f2937;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

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

/* Cards */
.card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

/* Navigation */
.nav {
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
}

@media (max-width: 768px) {
    .mobile-menu.active {
        display: block;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.share-button {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.share-button.facebook {
    background-color: #1877f2;
}

.share-button.twitter {
    background-color: #1da1f2;
}

.share-button.whatsapp {
    background-color: #25d366;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}