/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
    font-size: 1.2rem;
}

.logo img {
    height: 40px;
    width: auto;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    color: #3498db;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    font-weight: 400;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-block;
}

.btn-primary {
    background: #e74c3c;
    color: white;
}

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c3e50;
    transform: translateY(-2px);
}

/* ===== PROBLEMS SECTION ===== */
.problems {
    padding: 80px 0;
    background: #f8f9fa;
}

.problems h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2c3e50;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #3498db;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.problem-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

/* ===== UNBLOCK SECTION ===== */
.unblock {
    padding: 80px 0;
    background: white;
}

.unblock h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2c3e50;
}

.unblock-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.step {
    text-align: center;
    padding: 2rem 1rem;
}

.step-number {
    background: #3498db;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-weight: bold;
    font-size: 1.3rem;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.step h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* ===== SEO CONTENT SECTION ===== */
.seo-content {
    margin: 4rem 0;
    padding: 3rem;
    background: #f8f9fa;
    border-radius: 15px;
    border-left: 5px solid #e74c3c;
}

.seo-content h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.seo-content h3 {
    color: #2c3e50;
    margin: 2rem 0 1rem 0;
    font-size: 1.4rem;
}

.seo-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #555;
}

.seo-content strong {
    color: #2c3e50;
}

/* ===== WHATSAPP CTA ===== */
.whatsapp-cta {
    text-align: center;
    margin-top: 3rem;
}

.whatsapp-btn {
    display: inline-block;
    background: #25D366;
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.3);
    margin-bottom: 1rem;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.cta-note {
    text-align: center;
    color: #666;
    font-style: italic;
    font-size: 0.9rem;
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2c3e50;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-3px);
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    line-height: 1.4;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 80px 0;
    background: #2c3e50;
    color: white;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
    margin-bottom: 3rem;
}

.contact-item {
    padding: 2rem 1rem;
}

.contact-item h3 {
    margin-bottom: 1rem;
    color: #3498db;
    font-size: 1.3rem;
}

.contact-item p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.contact-item small {
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* ===== WHATSAPP BUTTONS GRID ===== */
.whatsapp-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.whatsapp-btn-small {
    background: #25D366;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
    display: block;
}

.whatsapp-btn-small:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

/* ===== FOOTER ===== */
footer {
    background: #1a252f;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #3498db;
    font-size: 1.2rem;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
    font-size: 0.9rem;
}

/* ===== FLOATING WHATSAPP BUTTON ===== */
.floating-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}

.float-wa {
    display: block;
    background: #25D366;
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.float-wa:hover {
    background: #128C7E;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: 70vh;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.3rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .problems h2,
    .unblock h1,
    .faq h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .seo-content {
        padding: 2rem 1.5rem;
        margin: 2rem 0;
    }
    
    .whatsapp-buttons {
        grid-template-columns: 1fr;
    }
    
    .floating-whatsapp {
        bottom: 15px;
        right: 15px;
    }
    
    .float-wa {
        padding: 12px 18px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .problems-grid,
    .unblock-steps,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-btn {
        padding: 15px 25px;
        font-size: 1.1rem;
    }
}

/* ===== ANIMATION CLASSES ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== LOADING STATES ===== */
.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

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

/* ===== PRINT STYLES ===== */
@media print {
    .floating-whatsapp,
    .cta-buttons {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
}