:root {
    --primary-color: #00a9e0;
    --primary-dark: #0077a3;
    --secondary-color: #2ECC71;
    --accent-color: #25D366;
    --dental-blue: #00a9e0;
    --dental-green: #2ECC71;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #00a9e0 0%, #0077a3 100%);
    --gradient-secondary: linear-gradient(135deg, #2ECC71 0%, #27AE60 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 169, 224, 0.95) 0%, rgba(0, 119, 163, 0.95) 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    background: var(--white);
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.logo-sub {
    font-size: 0.85rem;
    color: var(--gray-color);
    font-weight: 500;
}

.header-nav {
    display: flex;
    gap: 25px;
    align-items: center;
}

.header-nav a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.header-nav .nav-cta {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    transition: all var(--transition-medium);
}

.header-nav .nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.header-whatsapp {
    background: var(--accent-color);
    color: var(--white);
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.header-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.dental-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00a9e0 0%, #0077a3 100%);
    color: var(--white);
    padding: 80px 0 60px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-text {
    animation: fadeInLeft 0.8s ease;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--dental-green);
    text-shadow: 0 0 20px rgba(46, 204, 113, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    margin-bottom: 25px;
    opacity: 0.95;
    line-height: 1.7;
}

.hero-features-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-features-quick span {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    padding: 18px 35px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
    text-align: center;
}

.cta-button.primary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}

.cta-button.secondary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.cta-button.secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

.whatsapp-icon {
    font-size: 1.3em;
    margin-right: 8px;
}

.trust-badge {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-image {
    animation: fadeInRight 0.8s ease;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--gray-color);
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Problems Section */
.dental-problems {
    background: var(--light-color);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.problem-card {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.problem-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.problem-card p {
    color: var(--gray-color);
    font-size: 0.95rem;
}

.dental-solution {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.dental-solution h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

/* Features Showcase */
.features-showcase {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.feature-showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.feature-showcase-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-showcase-item.reverse {
    direction: rtl;
}

.feature-showcase-item.reverse > * {
    direction: ltr;
}

.feature-showcase-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.feature-badge {
    display: inline-block;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-showcase-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-showcase-content p {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 10px 0;
    color: var(--dark-color);
    font-size: 1rem;
    border-bottom: 1px solid var(--light-color);
}

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

/* Compact Features Grid */
.features-grid.compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature-item p {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Benefits Section */
.benefits {
    background: var(--light-color);
}

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

.benefit-card {
    background: var(--white);
    padding: 35px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-medium);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.benefit-card.featured-benefit {
    background: var(--gradient-primary);
    color: var(--white);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.benefit-stat {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.featured-benefit .benefit-stat {
    color: var(--white);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Why Us Section */
.dental-why {
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.why-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
    text-align: center;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: var(--gradient-primary);
    color: var(--white);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.why-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Pricing Section */
.pricing {
    background: var(--light-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured-plan {
    border: 3px solid var(--secondary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
}

.plan-name {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.plan-subtitle {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.plan-price {
    margin-bottom: 30px;
    text-align: center;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    vertical-align: super;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.period {
    font-size: 1.2rem;
    color: var(--gray-color);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--light-color);
    font-size: 0.95rem;
}

.plan-button {
    display: block;
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    transition: all var(--transition-medium);
}

.plan-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.plan-button.primary {
    background: var(--accent-color);
}

.pricing-note {
    text-align: center;
    margin-top: 30px;
}

.pricing-note p {
    font-size: 1rem;
    color: var(--gray-color);
    margin: 10px 0;
}

/* Testimonials Section */
.dental-testimonials {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--light-color);
    padding: 35px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stars {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    color: var(--dark-color);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author h4 {
    margin-bottom: 3px;
    color: var(--primary-color);
}

.testimonial-author p {
    font-size: 0.85rem;
    color: var(--gray-color);
}

/* FAQ Section */
.dental-faq {
    background: var(--light-color);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: var(--light-color);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin: 0;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-medium);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    padding: 0 25px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 25px 25px;
}

.faq-answer p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* CTA Section */
.dental-cta {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    padding: 80px 20px;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-note {
    margin-top: 20px;
    font-size: 1rem;
    opacity: 0.9;
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 25px;
}

.trust-badges span {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* Footer */
.dental-footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--white);
}

.footer-section p {
    color: var(--light-color);
    margin-bottom: 15px;
    line-height: 1.7;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--light-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.company-info {
    margin: 20px 0;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-medium);
}

.social-link:hover {
    transform: translateY(-3px);
    background: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--light-color);
    font-size: 0.9rem;
    margin: 5px 0;
}

.footer-note {
    opacity: 0.8;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all var(--transition-medium);
    text-decoration: none;
}

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

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 968px) {
    .header-nav {
        display: none;
    }
    
    .hero-content,
    .feature-showcase-item {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-showcase-item.reverse {
        direction: ltr;
    }
    
    .pricing-card.featured-plan {
        transform: scale(1);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-button {
        width: 100%;
    }
}

@media (max-width: 640px) {
    section {
        padding: 50px 0;
    }
    
    .hero-features-quick {
        justify-content: center;
    }
    
    .problems-grid,
    .benefits-grid,
    .why-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}