/* CivicGrid - Smart City Infrastructure Platform Styles */

:root {
    --municipal-blue: #005B96;
    --efficient-green: #43A047;
    --alert-orange: #FB8C00;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #343A40;
    --text-dark: #212529;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Top Bar */
.top-bar {
    background-color: var(--municipal-blue);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
    font-weight: 500;
}

.top-bar-text {
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Header */
.header {
    background-color: var(--municipal-blue);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
}

.navbar-brand .logo i {
    font-size: 28px;
    margin-right: 10px;
    color: var(--efficient-green);
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    margin: 0 15px;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--municipal-blue) 0%, #003d6b 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::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="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

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

.btn-primary {
    background-color: var(--efficient-green);
    border-color: var(--efficient-green);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #388e3c;
    border-color: #388e3c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    border-color: var(--white);
    color: var(--white);
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--municipal-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-visualization {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 3rem;
}

.module-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 91, 150, 0.1);
}

.module-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--efficient-green);
}

.module-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--efficient-green), #66bb6a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.module-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--municipal-blue);
    margin-bottom: 1rem;
}

.module-card p {
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.module-stats {
    background: linear-gradient(135deg, var(--municipal-blue), #003d6b);
    color: var(--white);
    padding: 1rem;
    border-radius: 10px;
    margin-top: auto;
}

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

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Case Study */
.case-study {
    padding: 80px 0;
    background: var(--white);
}

.case-study-content {
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 15px;
    margin-bottom: 2rem;
}

.case-study-content h3 {
    color: var(--municipal-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.before-list, .after-list {
    list-style: none;
    padding: 0;
}

.before-list li, .after-list li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.impact-metrics {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
}

/* Security & Privacy */
.security-privacy {
    padding: 80px 0;
    background: var(--light-gray);
}

.security-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid rgba(0, 91, 150, 0.1);
}

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

.security-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--alert-orange), #ff9800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.security-card h3 {
    color: var(--municipal-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.security-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

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

.footer-brand .logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand .logo i {
    font-size: 28px;
    margin-right: 10px;
    color: var(--efficient-green);
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer h5 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--efficient-green);
}

.contact-info p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.contact-info i {
    color: var(--efficient-green);
    width: 20px;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.2);
    margin: 2rem 0 1rem;
}

.footer-bottom {
    opacity: 0.8;
    margin: 0;
}

.footer-link-highlight {
    color: var(--efficient-green) !important;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--efficient-green);
    text-underline-offset: 3px;
    transition: all 0.3s ease;
    opacity: 1 !important;
}

.footer-link-highlight:hover {
    color: var(--white) !important;
    background-color: var(--efficient-green);
    padding: 2px 6px;
    border-radius: 4px;
    text-decoration: none;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .module-card, .security-card {
        margin-bottom: 2rem;
    }
    
    .hero-cta .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .hero-cta .btn:last-child {
        margin-bottom: 0;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .platform-modules, .case-study, .security-privacy {
        padding: 60px 0;
    }
    
    .module-card, .security-card, .case-study-content {
        padding: 1.5rem;
    }
}

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

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

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #003d6b;
}