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

:root {
    --primary-color: #2c5530;
    --secondary-color: #4a7c59;
    --accent-color: #8fbc8f;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gray-color: #6c757d;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--light-color);
}

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

.navbar {
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f5e8 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-color);
}

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

.phone-mockup {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: float 6s ease-in-out infinite;
}

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--light-color);
}

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

.feature-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--light-color);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    padding: 0.5rem 0;
    color: var(--gray-color);
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Market Data Section */
.market-data {
    padding: 80px 0;
    background: var(--light-gray);
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.market-card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.market-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.market-card h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.current {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
}

.change {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}

.change.positive {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.change.negative {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.unit {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.location {
    color: var(--gray-color);
    font-size: 0.8rem;
}

.market-chart {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.chart-container {
    height: 300px;
    margin-top: 1rem;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-color);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download h2 {
    color: var(--light-color);
    margin-bottom: 1.5rem;
}

.download p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.download-btn img {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.download-btn:hover img {
    transform: scale(1.05);
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 120px;
    height: 120px;
    border: 4px solid var(--light-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.qr-code p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

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

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: var(--light-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stars {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.author strong {
    display: block;
    color: var(--primary-color);
}

.author span {
    font-size: 0.9rem;
    color: var(--gray-color);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.contact-form {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 85, 48, 0.1);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand img {
    height: 30px;
    width: auto;
}

.footer-section h4 {
    color: var(--light-color);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-download {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-download img {
    height: 40px;
    width: auto;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--light-color);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content,
    .download-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stats {
        justify-content: space-around;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .market-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .price {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .market-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
}

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

.feature-card,
.market-card,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

/* Phone Mockup Placeholder */
.phone-mockup-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.phone-frame {
    width: 200px;
    height: 350px;
    background: var(--dark-color);
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--light-color);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    text-align: center;
}

.app-preview h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.app-preview p {
    margin: 8px 0;
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Store Badges */
.store-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--dark-color);
    color: var(--light-color);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    min-width: 160px;
}

.store-badge:hover {
    background: var(--gray-color);
    transform: translateY(-2px);
}

.store-badge i {
    font-size: 1.5rem;
}

.store-badge div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.store-badge small {
    font-size: 0.8rem;
    opacity: 0.8;
}

.store-badge strong {
    font-size: 1rem;
    font-weight: 600;
}

/* QR Code Placeholder */
.qr-placeholder {
    width: 120px;
    height: 120px;
    background: var(--light-color);
    border: 4px solid var(--light-color);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.qr-placeholder i {
    font-size: 3rem;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.qr-placeholder p {
    font-size: 0.8rem;
    color: var(--dark-color);
    margin: 0;
}

/* App Screens Preview */
.app-screens-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
}

.screen-mockup {
    width: 250px;
    height: 400px;
    background: var(--dark-color);
    border-radius: 25px;
    padding: 15px;
    box-shadow: var(--shadow-lg);
}

.screen-header {
    background: var(--primary-color);
    color: var(--light-color);
    padding: 15px;
    border-radius: 15px 15px 0 0;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.screen-content {
    background: var(--light-color);
    height: calc(100% - 60px);
    border-radius: 0 0 15px 15px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.feature-item {
    background: var(--light-gray);
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    color: var(--dark-color);
}

/* User Avatar */
.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid var(--border-color);
}

/* Footer Download Links */
.footer-download {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-download a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    padding: 8px 0;
}

.footer-download a:hover {
    color: var(--light-color);
}

.footer-download i {
    font-size: 1.2rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}