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

:root {
    /* Grand Pine Brand Colors - inspired by the app's theme */
    --primary-color: #2f3819; /* Dark green from Grand Pine */
    --primary-dark: #1f2510;
    --primary-light: #3f4a25;
    --accent-color: #4a5f2d;
    --secondary-color: #6b8e3f;
    
    /* Neutral Colors */
    --background: #ffffff;
    --surface: #f8f9fa;
    --surface-dark: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    
    /* Semantic Colors */
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.15), 0 2px 4px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15), 0 3px 6px rgba(0,0,0,0.10);
    --shadow-xl: 0 15px 35px rgba(0,0,0,0.2), 0 5px 15px rgba(0,0,0,0.12);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    height: 40px;
    width: 40px;
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
    display: block;
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.nav-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.95rem;
}

.btn-primary {
    background: white;
    color: var(--primary-color) !important;
    border: 2px solid white;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-whatsapp svg {
    width: 20px;
    height: 20px;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    padding: var(--spacing-2xl) 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.hero .container {
    background: transparent;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    background: transparent;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    background: transparent;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
    background: transparent;
}

.stat {
    text-align: center;
}

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

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--spacing-2xl) 0;
}

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

.feature-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: white;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    padding: var(--spacing-2xl) 0;
    background: var(--surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-item {
    position: relative;
    padding-left: 80px;
}

.benefit-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.15;
    line-height: 1;
}

.benefit-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Use Cases Section */
.use-cases {
    padding: var(--spacing-2xl) 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.use-case {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.use-case:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.use-case-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.use-case h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.use-case p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    text-align: center;
}

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

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-note {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    height: 40px;
    width: 40px;
    max-width: 40px;
    max-height: 40px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-links,
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact p {
    opacity: 0.8;
    margin: var(--spacing-xs) 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .benefits-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .logo-img {
        height: 35px;
        width: 35px;
        max-width: 35px;
        max-height: 35px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .logo-img {
        height: 30px;
        width: 30px;
        max-width: 30px;
        max-height: 30px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
}

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

.feature-card,
.benefit-item,
.use-case {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

/* Stagger animation delays */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }
.feature-card:nth-child(8) { animation-delay: 0.8s; }

/* Loading state for smooth page appearance */
body {
    animation: fadeInUp 0.5s ease-out;
}