/* Material Design - Reset e Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif; /* Material Design font */
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5; /* Light grey background */
}

/* Container Principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px; /* Material Design spacing */
}

/* Header Styles */
.header {
    background: linear-gradient(45deg, #6200ee 0%, #8800f7 100%); /* Deep Purple - Material Design */
    color: white;
    padding: 32px 0; /* Increased padding for prominence */
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Material Design shadow */
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.1);
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.header h1 {
    font-size: 3rem; /* Larger heading */
    margin-bottom: 12px;
    font-weight: 700;
}

.header .subtitle {
    font-size: 1.3rem;
    margin-bottom: 24px;
    opacity: 0.9;
}

.cta-banner {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px; /* Slightly less rounded */
    padding: 20px;
    margin: 24px auto;
    max-width: 700px;
    backdrop-filter: blur(5px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Subtle shadow */
}

.cta-banner p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.whatsapp-link {
    color: #25d366; /* WhatsApp green */
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.whatsapp-link:hover {
    color: #128C7E;
    text-shadow: 0 0 5px rgba(37, 211, 102, 0.5);
}

/* Navigation */
.nav {
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1); /* Material Design shadow */
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 16px 0;
}

.nav li {
    margin: 0 16px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 4px; /* Material Design border-radius */
    transition: all 0.3s ease;
}

.nav a:hover {
    background: #e0e0e0; /* Light grey hover */
    color: #333;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.section {
    margin-bottom: 48px; /* Increased spacing */
    background-color: #ffffff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section h2 {
    font-size: 2.5rem; /* Larger heading */
    color: #3f51b5; /* Indigo - Material Design */
    margin-bottom: 24px;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px; /* Thicker underline */
    background: #3f51b5; /* Indigo - Material Design */
    margin: 12px auto;
    border-radius: 2px;
}

.section h3 {
    font-size: 2rem;
    color: #424242; /* Dark grey */
    margin: 32px 0 16px 0;
}

.section h4 {
    font-size: 1.6rem;
    color: #616161; /* Medium grey */
    margin: 24px 0 12px 0;
}

.section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 16px;
    text-align: justify;
}

/* Cards e Boxes */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px; /* Material Design spacing */
    margin: 32px 0;
}

.card {
    background: #ffffff;
    border-radius: 8px; /* Material Design border-radius */
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* Material Design shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none; /* No explicit border */
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); /* Elevated shadow on hover */
}

.card h3 {
    color: #673ab7; /* Deep Purple Accent - Material Design */
    margin-bottom: 16px;
    font-size: 1.8rem;
}

.card ul {
    list-style: none;
    padding-left: 0;
}

.card li {
    padding: 10px 0;
    border-bottom: 1px solid #eeeeee; /* Lighter border */
    position: relative;
    padding-left: 32px; /* More space for icon */
}

.card li:last-child {
    border-bottom: none;
}

.card li::before {
    content: 'check'; /* Material Icon */
    font-family: 'Material Icons'; /* Assuming Material Icons font is linked */
    position: absolute;
    left: 0;
    color: #4caf50; /* Green - Material Design */
    font-weight: normal;
    font-size: 20px;
}

/* Highlight Boxes */
.highlight-box {
    background: #e8eaf6; /* Light Indigo - Material Design */
    color: #3f51b5; /* Indigo - Material Design */
    padding: 32px;
    border-radius: 8px;
    margin: 32px 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.highlight-box h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: #3f51b5;
}

.warning-box {
    background: #fffde7; /* Light Yellow - Material Design */
    border: 1px solid #ffecb3; /* Yellow border */
    border-left: 8px solid #ffc107; /* Amber - Material Design */
    padding: 24px;
    border-radius: 8px;
    margin: 24px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.warning-box h4 {
    color: #ff8f00; /* Dark Amber */
    margin-bottom: 12px;
}

/* FAQ Section */
.faq-item {
    background: #ffffff;
    border-radius: 8px;
    margin-bottom: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.faq-question {
    background: #f5f5f5; /* Light grey */
    padding: 20px;
    cursor: pointer;
    font-weight: 500;
    color: #424242;
    border-bottom: 1px solid #e0e0e0;
    transition: background 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background: #eeeeee;
}

.faq-question::after {
    content: 'expand_more'; /* Material Icon for expand */
    font-family: 'Material Icons';
    font-size: 24px;
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    content: 'expand_less'; /* Material Icon for collapse */
    transform: rotate(180deg); /* Rotate for visual effect */
}

.faq-answer {
    padding: 20px;
    display: none;
    border-top: 1px solid #e0e0e0;
}

.faq-answer.active {
    display: block;
}

/* Footer */
.footer {
    background: #212121; /* Dark grey - Material Design */
    color: white;
    text-align: center;
    padding: 40px 0;
    margin-top: 64px;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.footer p {
    margin-bottom: 10px;
}

.footer a {
    color: #bbdefb; /* Light Blue - Material Design */
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }
    
    .header .subtitle {
        font-size: 1.1rem;
    }
    
    .cta-banner {
        margin: 16px;
        padding: 16px;
    }
    
    .cta-banner p {
        font-size: 1rem;
    }
    
    .nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    .nav li {
        margin: 8px 0;
    }
    
    .section h2 {
        font-size: 2rem;
    }
    
    .section h3 {
        font-size: 1.6rem;
    }
    
    .section p {
        font-size: 1rem;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .card {
        padding: 20px;
    }
    
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .section h2 {
        font-size: 1.8rem;
    }
    
    .section h3 {
        font-size: 1.4rem;
    }
    
    .card {
        padding: 16px;
    }
    
    .highlight-box {
        padding: 24px;
    }
    
    .highlight-box h3 {
        font-size: 1.8rem;
    }
}

/* Print Styles */
@media print {
    .header {
        background: #6200ee !important;
        -webkit-print-color-adjust: exact;
        color-adjust: exact;
    }
    
    .nav {
        display: none;
    }
    
    .cta-banner {
        border: 2px solid #6200ee;
        background: #f5f5f5;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .section {
        break-inside: avoid;
    }
    
    a {
        color: #333 !important;
        text-decoration: underline;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid #6200ee;
    outline-offset: 2px;
}

/* Material Icons Link - Add this to your HTML <head> */
/* <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> */