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

:root {
    --primary-color: #2563eb;
    --secondary-color: #10b981;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

p {
    margin-bottom: 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    color: white;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #059669;
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 700px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
}

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

.cta-buttons {
    display: flex;
    gap: 15px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

/* Problem Section */
.problem {
    background-color: white;
}

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

.problem-card {
    background-color: #f8fafc;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.problem-card p {
    color: var(--gray-color);
}

/* Features Section */
.features {
    background-color: #f8fafc;
}

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

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-color);
}

/* How It Works Section */
.how-it-works {
    background-color: white;
}

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

.step {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
}

.step:last-child {
    margin-bottom: 0;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50px;
    left: 25px;
    width: 2px;
    height: calc(100% + 30px);
    background-color: var(--primary-color);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    z-index: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.step-content p {
    color: var(--gray-color);
}

/* App Preview Section */
.app-preview {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    padding: 100px 0;
}

.app-preview .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.app-screens {
    flex: 1;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.phone-frame {
    position: relative;
    max-width: 220px;
}

.phone-frame:nth-child(2) {
    margin-top: 30px;
}

.phone-frame:nth-child(3) {
    margin-top: 60px;
}

.phone-frame img {
    border-radius: 20px;
    box-shadow: var(--box-shadow);
}

.app-description {
    flex: 1;
}

.app-description h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.app-description p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 20px;
}

/* Pricing Section */
.pricing {
    background-color: white;
}

.pricing-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.pricing-card {
    background-color: #f8fafc;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    width: 100%;
    max-width: 350px;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-header {
    background-color: var(--dark-color);
    color: white;
    padding: 30px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.pricing-header p {
    color: #cbd5e1;
    margin-bottom: 0;
}

.pricing-features {
    padding: 30px;
}

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

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    padding-left: 25px;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

.pricing-cta {
    padding: 0 30px 30px;
    text-align: center;
}

/* Testimonials Section */
.testimonials {
    background-color: #f8fafc;
}

.testimonial-slider {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.testimonial {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    width: 100%;
    max-width: 350px;
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--gray-color);
}

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

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.author-info p {
    color: var(--gray-color);
    margin-bottom: 0;
}

/* Download Section */
.download {
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.download-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.app-button img {
    height: 50px;
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.contact-item .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: #f1f5f9;
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 15px;
}

.footer-logo p {
    color: #cbd5e1;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-column {
    flex: 1;
    min-width: 150px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-column a {
    color: #cbd5e1;
    transition: var(--transition);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #334155;
}

.footer-bottom p {
    color: #94a3b8;
    margin-bottom: 0;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }

    .app-preview .container {
        flex-direction: column;
    }

    .app-screens {
        margin-bottom: 50px;
    }

    .phone-frame {
        max-width: 180px;
    }
}

@media (max-width: 768px) {
    .nav-links, .cta-buttons {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .app-screens {
        flex-direction: column;
        align-items: center;
    }

    .phone-frame {
        margin-top: 0 !important;
        margin-bottom: 30px;
    }

    .phone-frame:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
    }

    .pricing-card {
        max-width: 100%;
    }

    .testimonial {
        max-width: 100%;
    }
}