body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #333;
    line-height: 1.6;
    padding-top: 70px;
}

.navbar-modern {
    background-color: transparent !important;
    transition: all 0.3s ease;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    left: 0;
    right: 0;
}

.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    width: 100%;
}

.navbar-brand-modern {
    font-weight: 700;
    font-size: 1.5rem;
    color: #4CAF50 !important;
    transition: all 0.3s ease;
}

.navbar-brand-modern:hover {
    transform: scale(1.05);
}

.nav-link-modern {
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    border-radius: 50px;
    transition: all 0.3s ease;
    color: #333 !important;
    font-weight: 500;
}

.nav-link-modern:hover {
    background-color: rgba(76, 175, 80, 0.1);
    color: #4CAF50 !important;
    transform: translateY(-2px);
}

.nav-link-button {
    background-color: #4CAF50;
    color: white !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 2px 5px rgba(76, 175, 80, 0.3);
}

.nav-link-button:hover {
    background-color: #43A047;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.4);
}

.navbar-toggler-modern {
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    background-color: rgba(76, 175, 80, 0.1);
    transition: all 0.3s ease;
}

.navbar-toggler-modern:hover {
    background-color: rgba(76, 175, 80, 0.2);
}

.navbar-toggler-modern:focus {
    box-shadow: none;
}

.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/demo-building-dashboard.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 6rem 0;
    margin-bottom: 3rem;
    border-radius: 0.5rem;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.modern-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 2rem;
    overflow: hidden;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.modern-card .card-header {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1.25rem 1.5rem;
}

.modern-card .card-body {
    padding: 1.5rem;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #4CAF50;
}

.btn-green {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
    background: linear-gradient(135deg, #43A047, #1B5E20);
    color: white;
}

.greenscore-section {
    background-color: #f8f9fa;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.greenscore-calculation {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.greenscore-tips {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.progress {
    height: 0.8rem;
    border-radius: 1rem;
    margin-bottom: 1rem;
}

.progress-bar-points {
    background: linear-gradient(90deg, #2196F3, #0D47A1);
}

.progress-bar-carbon {
    background: linear-gradient(90deg, #4CAF50, #1B5E20);
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-section {
        padding: 4rem 0;
    }
    
    /* Fix for navbar on mobile */
    .navbar-modern {
        width: 100%;
        padding: 0.5rem 0;
    }
    
    .navbar-collapse {
        background-color: rgba(255, 255, 255, 0.95);
        padding: 1rem;
        border-radius: 0.5rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        margin-top: 0.5rem;
        width: 100%;
    }
    
    /* Full-width containers on mobile */
    .container-fluid, .container {
        width: 100%;
        max-width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Fix card layouts on mobile */
    .modern-card, .score-card, .stat-card {
        width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Adjust dashboard header on mobile */
    .dashboard-header, .score-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dashboard-header > div, .score-header > div {
        width: 100%;
        margin-bottom: 1rem;
    }
}


@media (min-width: 769px) and (max-width: 991px) {
    .navbar-collapse {
        background-color: rgba(255, 255, 255, 0.95);
        padding: 1rem;
        border-radius: 0.5rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        margin-top: 0.5rem;
    }
    
    .nav-link-modern {
        margin: 0 0.25rem;
        padding: 0.5rem 0.75rem !important;
    }
    
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}