/* CSS for Introduction Pages */
:root {
    --primary: #005BBB;
    --secondary: #6c757d;
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #212529;
    --white: #ffffff;
}

body {
    font-family: 'Roboto', sans-serif;
    color: #333;
    overflow-x: hidden;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, #0077CC 100%);
    padding: 100px 0 120px;
    position: relative;
    color: white;
}

.hero-section h1 {
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.hero-section h2 {
    font-weight: 300;
    margin-bottom: 2rem;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.hero-wave .shape-fill {
    fill: #FFFFFF;
}

/* Features Section */
.features-section {
    background-color: #f5f7fa;
    padding: 80px 0;
}

.features-section h2 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.feature-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    padding: 25px;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* SDG Section */
.sdg-section {
    background-color: #1a1e23;
    color: white;
    padding: 80px 0;
}

.sdg-card {
    border-radius: 10px;
    padding: 30px;
    height: 100%;
    text-align: center;
}

.bg-orange {
    background-color: #FD9D24;
}

.bg-yellow {
    background-color: #FFCC05;
}

.bg-blue {
    background-color: #3F7E44;
}

.bg-green {
    background-color: #26BDE2;
}

/* Integration Section */
.integration-section {
    padding: 80px 0;
    background-color: #f5f7fa;
}

.integration-section img {
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    height: auto;
}

/* Footer */
.footer {
    background-color: #1a1e23;
    color: white;
    padding: 60px 0 20px;
}

.footer h5 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer ul li {
    margin-bottom: 0.75rem;
}

.footer a {
    color: #9ca8b3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: white;
    text-decoration: none;
}

.social-buttons {
    display: flex;
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
}

.social-buttons li {
    margin-right: 1rem;
}

.social-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.social-icon:hover {
    background-color: var(--primary);
}

/* Navbar */
.navbar {
    transition: all 0.3s ease;
}

.navbar-scrolled {
    background-color: rgba(0, 91, 187, 0.95) !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-light {
    color: white;
    border-color: white;
}

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

/* Mockup Section */
.mockup-section {
    margin-top: -50px;
    position: relative;
    z-index: 100;
}

.mockup-container {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 15px;
}

.mockup-container img {
    border-radius: 6px;
    width: 100%;
}

/* Equal height cards */
.equal-height-row {
    display: flex;
    flex-wrap: wrap;
}

.equal-height-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.equal-height-card .card-body {
    flex: 1;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    .hero-section {
        padding: 70px 0 100px;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .integration-section .text-end {
        text-align: center !important;
    }
    
    .mockup-section {
        margin-top: -30px;
    }
}