:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #28a745, #20c997);
    --warning-gradient: linear-gradient(135deg, #ffc107, #fd7e14);
    --danger-gradient: linear-gradient(135deg, #dc3545, #e74c3c);
    --info-gradient: linear-gradient(135deg, #17a2b8, #6f42c1);
    --festive-gradient: linear-gradient(135deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 15px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 15px;
    --transition: all 0.3s ease;
    --youtube-red: #FF0033;
}

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

body {
    font-family: 'Raleway', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    background: var(--primary-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    animation: slideInUp 1s ease-out;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: slideInUp 1s ease-out 0.2s both;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 1s ease-out 0.4s both;
}

.btn-hero {
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary-hero {
    background: white;
    color: #667eea;
    box-shadow: var(--shadow-medium);
}

.btn-secondary-hero {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-whatsapp-hero {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    box-shadow: var(--shadow-medium);
    border: none;
}

.btn-whatsapp-hero:hover {
    background: linear-gradient(135deg, #128C7E 0%, #075E54 100%);
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.btn-whatsapp-hero i {
    font-size: 1.2rem;
    animation: whatsapp-pulse 2s infinite;
}

.btn-success-hero {
    background: var(--success-gradient);
    color: white;
    box-shadow: var(--shadow-medium);
    border: none;
}

.btn-success-hero:hover {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.btn-success-hero i {
    font-size: 1.2rem;
    animation: rocket-bounce 2s infinite;
}

@keyframes rocket-bounce {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-3px) rotate(5deg);
    }
}

@keyframes whatsapp-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.btn-hero:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-hero:hover::before {
    left: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

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

/* SEO Content Section */
.seo-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.seo-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.seo-card h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

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

.seo-card ul {
    margin-top: 15px;
    padding-left: 20px;
    color: #666;
}

.seo-benefits {
    margin-top: 60px;
    text-align: center;
}

.seo-benefits h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #333;
}

.seo-benefits > div {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.seo-benefits > div > div {
    padding: 25px;
    border-radius: 15px;
    color: white;
}

.seo-benefits > div > div:nth-child(1) {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.seo-benefits > div > div:nth-child(2) {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.seo-benefits > div > div:nth-child(3) {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.seo-benefits > div > div:nth-child(4) {
    background: linear-gradient(135deg, #17a2b8, #6f42c1);
}

.seo-benefits h4 {
    margin-bottom: 15px;
}

/* Benefit Cards */
.benefit-card {
    padding: 25px;
    border-radius: 15px;
    color: white;
}

.benefit-sales {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.benefit-experience {
    background: linear-gradient(135deg, #28a745, #20c997);
}

.benefit-implementation {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.benefit-online {
    background: linear-gradient(135deg, #17a2b8, #6f42c1);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: white;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 40px;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    overflow: hidden;
}

.faq-item h3 {
    background: #f8f9fa;
    padding: 20px;
    margin: 0;
    cursor: pointer;
    font-size: 1.1rem;
    color: #333;
}

.faq-item h3 i {
    color: #667eea;
    margin-right: 10px;
}

.faq-answer {
    padding: 20px;
    display: none;
    background: white;
}

/* Gallery Section */
.gallery {
    padding: 100px 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    aspect-ratio: 16/9;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-heavy);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--primary-gradient);
    color: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 4px solid rgba(255, 255, 255, 0.3);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
}

.testimonial-author {
    font-weight: 600;
    font-size: 1.1rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea, #764ba2);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #667eea;
}

.footer-section p,
.footer-section a {
    color: #ccc;
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover:not(.youtube-button):not(.instagram-button):not(.whatsapp-button) {
    color: #667eea;
}

.footer-section .keywords {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #999;
}

.footer-seo-content {
    border-top: 1px solid #444;
    padding-top: 30px;
    margin-top: 30px;
}

.footer-seo-content > div {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.footer-seo-content h4 {
    color: #667eea;
    margin-bottom: 15px;
}

.footer-seo-content p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #999;
}

.footer-bottom .seo-text {
    font-size: 0.8rem;
    color: #999;
    margin-top: 10px;
}

/* Form Styles */
.channel-form-modern {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.form-group-modern {
    display: flex;
    gap: 15px;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-light);
}

.input-modern {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 12px 20px;
    font-size: 1rem;
    color: #333;
    min-width: 250px;
    transition: var(--transition);
    font-family: 'Raleway', sans-serif;
}

.input-modern::placeholder {
    color: #666;
    font-style: italic;
}

.input-modern:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
    transform: translateY(-2px);
}

.input-modern:hover {
    background: white;
    transform: translateY(-1px);
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Floating elements */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 80px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 10px 20px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .nav-links a:hover {
        background: rgba(102, 126, 234, 0.1);
        color: #667eea;
    }

    .section-title {
        font-size: 2rem;
    }

    .form-group-modern {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }

    .input-modern {
        min-width: 200px;
        width: 100%;
    }
}


/* Instagram Button Styling - Following Official Branding Guidelines */
.instagram-button {
    /* Ensures the icon and text are aligned */
    display: inline-flex;
    align-items: center;
    justify-content: center;

    /* Fixed dimensions: 85x24 pixels */
    width: 85px;
    height: 24px;
    padding: 0;

    /* Instagram's official gradient background */
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: #FFFFFF;

    /* Clean sans-serif font as recommended */
    font-family: Arial, sans-serif;
    font-size: 11px;
    font-weight: 500;

    /* Standard button styling */
    border: none;
    border-radius: 3px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.instagram-button:hover {
    /* Subtle darkening - maintaining brand color integrity */
    filter: brightness(0.9);
    transform: translateY(-1px);
}

.instagram-button i {
    /* Proper icon sizing for compact button */
    font-size: 12px;

    /* Proper clear space around logo */
    margin-right: 4px;
}

/* WhatsApp Button Styling - Following Official Branding Guidelines */
.whatsapp-button {
    /* Ensures the icon and text are aligned */
    display: inline-flex;
    align-items: center;
    justify-content: center;

    /* Fixed dimensions: 85x24 pixels */
    width: 85px;
    height: 24px;
    padding: 0;

    /* WhatsApp's official green color */
    background-color: #25D366;
    color: #FFFFFF;

    /* Clean sans-serif font as recommended */
    font-family: Arial, sans-serif;
    font-size: 11px;
    font-weight: 500;

    /* Standard button styling */
    border: none;
    border-radius: 3px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.whatsapp-button:hover {
    /* Subtle darkening - maintaining brand color integrity */
    filter: brightness(0.9);
    transform: translateY(-1px);
}

.whatsapp-button i {
    /* Proper icon sizing for compact button */
    font-size: 12px;

    /* Proper clear space around logo */
    margin-right: 4px;
}

/* Social Media Buttons Spacing */
.footer-section p {
    margin: 4px 0;
}