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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: #4CAF50;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4CAF50;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4CAF50;
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    color: #FFD700;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: #FFD700;
    color: #333;
}

.btn-primary:hover {
    background: #FFC107;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: white;
    color: #4CAF50;
    transform: translateY(-2px);
}

.download-badge {
    height: 50px;
    width: auto;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #FFD700;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    margin: 0 auto;
    background: #000;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    margin-bottom: 20px;
}

.app-nav {
    display: flex;
    justify-content: space-around;
    background: white;
    border-radius: 10px;
    padding: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-item {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #666;
    transition: all 0.3s ease;
}

.nav-item.active {
    background: #4CAF50;
    color: white;
}

.pet-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.pet-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.avatar-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pet-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.pet-info p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}

.health-score {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
}

.score-label {
    color: #666;
}

.score-bar {
    width: 60px;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.score-value {
    font-weight: 600;
    color: #4CAF50;
}

.quick-actions {
    display: flex;
    justify-content: space-around;
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #666;
}

.action-icon {
    font-size: 1.5rem;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

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

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

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: white;
}

.screenshots-carousel {
    display: flex;
    gap: 40px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
}

.screenshot-item {
    flex: 0 0 300px;
    scroll-snap-align: start;
}

.phone-frame {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    margin: 0 auto;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.screenshot-header {
    text-align: center;
    margin-bottom: 20px;
}

.screenshot-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.screenshot-header p {
    font-size: 0.9rem;
    color: #666;
}

.screenshot-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pet-summary {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pet-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.pet-item:last-child {
    margin-bottom: 0;
}

.pet-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4CAF50, #45a049);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.pet-details h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 2px;
}

.pet-details p {
    font-size: 0.8rem;
    color: #666;
}

.quick-stats {
    display: flex;
    gap: 10px;
}

.stat-card {
    flex: 1;
    background: white;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-card .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4CAF50;
    margin-bottom: 5px;
}

.stat-card .stat-label {
    font-size: 0.7rem;
    color: #666;
}

.vaccine-list, .medication-list {
    background: white;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.vaccine-item, .medication-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
}

.vaccine-item:last-child, .medication-item:last-child {
    border-bottom: none;
}

.vaccine-icon, .medication-icon {
    font-size: 1.2rem;
}

.vaccine-info h4, .medication-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 2px;
}

.vaccine-info p, .medication-info p {
    font-size: 0.8rem;
    color: #666;
}

.vaccine-item.completed .vaccine-icon {
    color: #4CAF50;
}

.vaccine-item.pending .vaccine-icon {
    color: #FF9800;
}

.medication-status {
    background: #4CAF50;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    margin-left: auto;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid #4CAF50;
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #4CAF50;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 1.2rem;
    color: #666;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #4CAF50;
}

.period {
    font-size: 1rem;
    color: #666;
}

.pricing-features {
    margin-bottom: 30px;
}

.pricing-features ul {
    list-style: none;
    text-align: left;
}

.pricing-features li {
    padding: 8px 0;
    color: #666;
    font-size: 0.95rem;
}

.btn-outline {
    background: transparent;
    color: #4CAF50;
    border: 2px solid #4CAF50;
}

.btn-outline:hover {
    background: #4CAF50;
    color: white;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.contact-details p {
    color: #666;
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 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-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
    color: #4CAF50;
    margin-bottom: 15px;
}

.footer-description {
    color: #ccc;
    line-height: 1.6;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #4CAF50;
}

.footer-links {
    list-style: none;
}

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

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

.footer-links a:hover {
    color: #4CAF50;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
    }

    .screenshots-carousel {
        flex-direction: column;
        align-items: center;
    }

    .screenshot-item {
        flex: none;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    .phone-frame {
        width: 200px;
        height: 400px;
        padding: 15px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 20px;
    }
}

/* 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);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

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

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

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
input:focus,
textarea:focus {
    outline: 2px solid #4CAF50;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero {
        background: #000;
        color: #fff;
    }
    
    .btn-primary {
        background: #fff;
        color: #000;
    }
    
    .btn-secondary {
        border-color: #fff;
        color: #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}