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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 15px rgba(0,0,0,0.15);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(255,255,255,0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="1000,100 1000,0 0,100"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    color: white;
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    background: linear-gradient(135deg, #ff5252 0%, #ff7043 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2c3e50;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.6s ease;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-size: 1.4rem;
    font-weight: 600;
}

.card p {
    color: #666;
    line-height: 1.7;
    font-size: 1rem;
}

/* Features Section */
.features {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.feature-content h4 {
    margin-bottom: 1rem;
    color: #2c3e50;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-content p {
    color: #666;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.8rem 1.8rem;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #ff5252 0%, #ff7043 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

/* Text Utilities */
.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #667eea;
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-section p {
    color: #ccc;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    display: block;
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
    padding: 0.3rem 0;
}

.footer-section a:hover {
    color: #667eea;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
    font-size: 0.9rem;
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.5rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Content Pages */
.content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

/* SEO Optimizations */
.highlight-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.warning-box {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    color: #333;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    border-left: 4px solid #ff6b6b;
}

.success-box {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    border-left: 4px solid #51cf66;
}

/* Enhanced WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Improved Typography for SEO */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #333;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #34495e;
    margin-top: 1.5rem;
}

/* Enhanced Content Readability */
.content p {
    line-height: 1.8;
    margin-bottom: 1.2rem;
    color: #444;
    font-size: 1.1rem;
}

.content ul, .content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Improved Link Styling */
.content a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.content a:hover {
    color: #764ba2;
    border-bottom-color: #764ba2;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: #667eea;
    font-size: 1.2rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #1a1a1a;
        padding: 1rem 0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .content h1 {
        font-size: 2rem;
    }
    
    .content h2 {
        font-size: 1.5rem;
    }
    
    .content h3 {
        font-size: 1.3rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 15px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .content {
        padding: 1rem;
    }
    
    .highlight-box, .warning-box, .success-box {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .features {
        padding: 2rem 0;
    }
}


/* Content Pages */
.content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.content h1, .content h2, .content h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.content h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content h2 {
    font-size: 2rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.content h3 {
    font-size: 1.5rem;
    color: #34495e;
}

.content p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #444;
    font-size: 1.1rem;
}

.content ul, .content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.content li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

.content a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.content a:hover {
    color: #764ba2;
    border-bottom-color: #764ba2;
}

/* SEO Boxes */
.highlight-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin: 2.5rem 0;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.warning-box {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    color: #333;
    padding: 2rem;
    border-radius: 15px;
    margin: 2.5rem 0;
    border-left: 5px solid #ff6b6b;
}

.success-box {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #333;
    padding: 2rem;
    border-radius: 15px;
    margin: 2.5rem 0;
    border-left: 5px solid #51cf66;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        padding: 1rem 0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        border-radius: 0 0 15px 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .nav-menu a {
        padding: 1rem 2rem;
        border-radius: 0;
        display: block;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .card {
        padding: 2rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .content {
        padding: 2rem;
        margin: 1rem;
    }
    
    .content h1 {
        font-size: 2rem;
    }
    
    .content h2 {
        font-size: 1.5rem;
    }
    
    .content h3 {
        font-size: 1.3rem;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 24px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .card-icon {
        font-size: 3rem;
    }
    
    .content {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .highlight-box, .warning-box, .success-box {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 15px;
        right: 15px;
    }
}

/* Smooth Scrolling and Performance */
html {
    scroll-behavior: smooth;
}

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

body {
    animation: fadeIn 0.5s ease-in;
}

/* Focus States for Accessibility */
a:focus, button:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header, .footer, .whatsapp-float {
        display: none;
    }
    
    .content {
        box-shadow: none;
        margin: 0;
        padding: 0;
    }
}