:root {
    --primary-green: #28a745;
    --light-green: #d4edda;
    --dark-green: #1e7e34;
    --text-dark: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

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

/* Navigation */
.navbar {
    padding: 1rem 0;
    box-shadow: var(--shadow);
    background: var(--white) !important;
}

.navbar-brand {
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.brand-name {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-dark);
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.8rem;
    color: var(--text-lighter);
    font-weight: 300;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-green) !important;
}

.sign-in-btn {
    background: var(--primary-green) !important;
    border: none !important;
    color: var(--white) !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: 25px !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.sign-in-btn:hover {
    background: var(--dark-green) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Hero Section */
.hero-section {
    background: var(--light-gray);
    padding: 120px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    margin-top: 2rem;
}

.btn-primary {
    background: var(--primary-green) !important;
    border: none !important;
    color: var(--white) !important;
    padding: 0.75rem 2rem !important;
    border-radius: 25px !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--dark-green) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline-primary {
    border: 2px solid var(--primary-green) !important;
    color: var(--primary-green) !important;
    background: transparent !important;
    padding: 0.75rem 2rem !important;
    border-radius: 25px !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-green) !important;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Why Choose Section */
.why-choose-section {
    padding: 80px 0;
    background: var(--white);
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--light-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-green);
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.step-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.step-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Team Section */
.team-section {
    padding: 80px 0;
    background: var(--white);
}

.team-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
    text-align: center;
}

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

.team-avatar {
    width: 80px;
    height: 80px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.team-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-green);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-description {
    color: var(--text-light);
    line-height: 1.6;
}

/* Platform Section */
.platform-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.platform-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    height: 100%;
    transition: all 0.3s ease;
    text-align: center;
}

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

.platform-icon {
    width: 60px;
    height: 60px;
    background: var(--light-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-green);
    font-size: 1.5rem;
}

.platform-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.platform-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--primary-green);
    color: var(--white);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--white);
    opacity: 0.9;
}

.cta-buttons .btn-light {
    background: var(--white) !important;
    color: var(--primary-green) !important;
    border: none !important;
    padding: 0.75rem 2rem !important;
    border-radius: 25px !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cta-buttons .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.cta-buttons .btn-outline-light {
    border: 2px solid var(--white) !important;
    color: var(--white) !important;
    background: transparent !important;
    padding: 0.75rem 2rem !important;
    border-radius: 25px !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cta-buttons .btn-outline-light:hover {
    background: var(--white) !important;
    color: var(--primary-green) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* gap between cta buttons vertical */
.cta-buttons {
    display: flex;
    flex-direction: row;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 576px) {
    .cta-buttons {
        flex-direction: column;
        gap: 16px; /* vertical space between buttons */
        align-items: center;
    }
}


/* Footer */
.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo-icon {
    width: 30px;
    height: 30px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
}

.footer-tagline {
    color: var(--text-lighter);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-heading {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white);
}

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

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

.footer-links a {
    color: var(--text-lighter);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    margin-top: 2rem;
}

.footer-bottom p {
    color: var(--text-lighter);
    font-size: 0.8rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .navbar-nav {
        text-align: center;
        margin-top: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin: 0 !important;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta-buttons .btn {
        width: 100%;
        margin: 0 !important;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}

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

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}