:root {
    --primary-color: #076553;
    --secondary-color: #d9efb9;
    --accent-color: #ffdd2e;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --oba-red: #e31e24;
    --nav-h: 80px; /* Navbar height */
}

/* Base Styles */
html, body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Particles Background */
#particles-js {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: var(--primary-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .nav-link {
    color: #fff;
    margin: 0 10px;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .nav-link {
    color: #000;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-color) !important;
}

/* Logo Swap */
.logo-dark {
    display: none;
}

.navbar.scrolled .logo-light {
    display: none;
}

.navbar.scrolled .logo-dark {
    display: inline;
}

/* Hero Section */
.hero {
    color: #fff;
    padding: var(--nav-h) 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: calc(86vh - var(--nav-h));
    display: flex;
    align-items: center;
}

.hero .container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero .lead {
    font-size: 6rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.3s both;
}

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

/* Buttons */
.btn-primary {
    background: #fff;
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    color: var(--primary-color);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn-primary:hover {
    background: #04483b;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(9, 101, 83, 0.3);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: #fff;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.5s both;
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: 25px;
    padding: 8px 20px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.bg-light-custom {
    background-color: var(--bg-light);
}

/* Feature Cards */
.feature-card {
    background: #fff;
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--primary-color);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
    font-size: 2rem;
}

/* Stats */
.stats {
    color: #fff;
    padding: 40px 0;
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

.feature-icon {
    width: 60px;
    height: 60px;
}

.qr-code {
    border: none;
    outline: none;
    box-shadow: none;
}

/* Cards */
.card {
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1) !important;
}

.card-title {
    color: var(--text-dark);
    font-weight: 600;
}

/* Forms */
.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(9, 101, 83, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: #fff;
    padding: 40px 0 20px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* OBA Brand */
.oba-brand {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.oba-brand .oba-red {
    color: var(--oba-red);
}

.oba-brand .oba-green {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .lead {
        font-size: 1.3rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 2.2rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* Navbar Toggler */
.navbar-toggler {
    border: none;
    padding: 4px 8px;
}

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

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833,37,41,0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}