:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --dark-blue-gradient-start: #000033;
    --dark-blue-gradient-end: #000066;
    --text-dark: #343a40;
    --text-light: #f8f9fa;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --card-shadow: rgba(0, 0, 0, 0.08);
}

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

/* Navbar Styling */
.navbar {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

.navbar-brand {
    font-weight: 600;
    color: var(--text-dark) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 400;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

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

a.nav-link.active {
    background: var(--primary-color);
    color: var(--text-light) !important;
    border-radius: 0.3rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1);
}

.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%280, 0, 0, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-collapse-gradient {
    background: linear-gradient(to right, var(--dark-blue-gradient-start), var(--dark-blue-gradient-end));
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 0.5rem;
}

.navbar-collapse-gradient .nav-link {
    color: var(--text-light) !important;
}

.navbar-collapse-gradient .nav-link:hover {
    color: var(--primary-color) !important;
}

/* Hero Section */
.hero-section {
    background: var(--bg-white);
    color: var(--text-dark);
    padding: 4rem 0 !important;
    margin-bottom: 3rem;
    box-shadow: 0 5px 15px var(--card-shadow);
}

.hero-section h1 {
    font-weight: 700;
    margin-bottom: 0.75rem;
    font-size: 2.8rem;
}

.hero-section p {
    font-weight: 300;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

/* Product Cards */
.card-img-top {
    max-height: 200px;
    object-fit: cover;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.card {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 12px var(--card-shadow);
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 20px var(--card-shadow);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.card-text strong {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Buttons */
.btn {
    border-radius: 0.3rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(to right, var(--dark-blue-gradient-start), var(--dark-blue-gradient-end));
    border-color: var(--dark-blue-gradient-start);
    color: var(--text-light);
}

.btn-primary:hover {
    background: linear-gradient(to right, #000022, #000044);
    border-color: #000022;
    transform: translateY(-2px);
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
    border-color: #218838;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: linear-gradient(to right, var(--dark-blue-gradient-start), var(--dark-blue-gradient-end)) !important;
    color: var(--text-light) !important;
    padding: 2rem 0 !important;
    margin-top: 5rem !important;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 0;
}