:root {
    --primary-green: #2E8B57;
    --secondary-blue: #00BFFF;
    --off-white: #f8f9fa;
    --text-color: #333;
}

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

.text-primary-green {
    color: var(--primary-green) !important;
}

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

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

.text-secondary-blue {
    color: var(--secondary-blue) !important;
}

.btn-secondary-blue {
    background-color: var(--secondary-blue);
    color: white;
    border: 1px solid var(--secondary-blue);
}

.btn-secondary-blue:hover {
    background-color: #0099cc;
    border-color: #0099cc;
    color: white;
}

.btn-outline-secondary-blue {
    color: var(--secondary-blue);
    border-color: var(--secondary-blue);
}

.btn-outline-secondary-blue:hover {
    background-color: var(--secondary-blue);
    color: white;
}

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar-brand {
    font-weight: bold;
    color: var(--primary-green) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('../../uploads/lavo.png');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.btn-cta {
    background-color: var(--primary-green);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.2rem;
    border-radius: 50px;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-cta:hover {
    transform: scale(1.05);
    background-color: #246e45;
    color: white;
}

/* Institutional Cards */
.card-institutional {
    border: none;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    height: 100%;
    transition: transform 0.3s;
}

.card-institutional:hover {
    transform: translateY(-5px);
}

.card-title {
    color: var(--primary-green);
    font-weight: bold;
}

/* Differentials */
.differential-icon {
    font-size: 3rem;
    color: var(--secondary-blue);
    margin-bottom: 15px;
}

/* Products */
.card-product {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.card-product:hover {
    transform: translateY(-5px);
}

.card-product img {
    height: 200px;
    object-fit: cover;
}

.price {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-green);
}

/* Filters */
.filter-btn {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    background: transparent;
    padding: 8px 25px;
    border-radius: 50px;
    margin: 0 5px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-green);
    color: white;
}

/* Testimonials */
.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
}

.testimonial-icon {
    color: var(--secondary-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Back to Top */
#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    background-color: var(--secondary-blue);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: transform 0.2s;
}

#btn-back-to-top:hover {
    transform: translateY(-5px);
}

/* Footer */
footer {
    background-color: #fff;
    border-top: 1px solid #eee;
    padding: 40px 0 20px;
    margin-top: 50px;
}

.newsletter-form .form-control {
    border-radius: 50px 0 0 50px;
    border: 1px solid #ddd;
    padding-left: 20px;
}

.newsletter-form .btn {
    border-radius: 0 50px 50px 0;
    padding-left: 20px;
    padding-right: 20px;
}