/* Custom CSS for Raha Renewable Technology */

:root {
    --primary-green: #22c55e;
    --dark-green: #16a34a;
    --light-green: #dcfce7;
    --blue-accent: #0ea5e9;
    --dark-blue: #0284c7;
    --light-blue: #e0f2fe;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
}

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

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-green) !important;
}

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

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--light-blue) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%2322c55e" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Buttons */
.btn-success {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background-color: var(--dark-green);
    border-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3);
}

.btn-outline-success {
    color: var(--primary-green);
    border-color: var(--primary-green);
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-outline-success:hover {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    transform: translateY(-2px);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green), var(--blue-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

/* Statistics Section */
.stats-section {
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: white;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: block;
}

/* Section Styling */
.section-title {
    position: relative;
    margin-bottom: 3rem;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--blue-accent));
    border-radius: 2px;
}

/* Project Cards */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    height: 300px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: end;
}

.project-overlay {
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.project-content {
    position: relative;
    z-index: 2;
    color: white;
    padding: 30px;
}

/* Contact Form */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 12px 15px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(34, 197, 94, 0.25);
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        text-align: center;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .project-card {
        height: 250px;
    }
}

/* Utility Classes */
.text-success {
    color: var(--primary-green) !important;
}

.bg-light-green {
    background-color: var(--light-green) !important;
}

.bg-light-blue {
    background-color: var(--light-blue) !important;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-green), var(--blue-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}