:root {
    --primary-color: #2f353f;
    --secondary-color: #ea4e2d;
    --text-color: #333333;
    --light-gray: #f8f9fa;
    --transition: all 0.3s ease;
}

body {
    font-family: "Montserrat", sans-serif;
    color: var(--text-color);
}

.hero-section {
    background-color: var(--primary-color);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.section-subtitle {
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.value-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.value-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.value-card .card-body {
    padding: 2rem;
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-section {
    background-color: var(--light-gray);
    padding: 5rem 0;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    height: 100%;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    height: 100%;
    transition: var(--transition);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.testimonial-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    margin-bottom: 1.5rem;
    border: 3px solid var(--secondary-color);
}

.about-banner {
    background:
        linear-gradient(rgba(47, 53, 63, 0.9), rgba(47, 53, 63, 0.9)),
        url("https://images.unsplash.com/photo-1452780212940-6f5c0d14d848?q=80&w=2076&auto=format&fit=crop")
            center/cover;
    padding: 5rem 0;
    color: white;
    position: relative;
}

.about-banner-content {
    position: relative;
    z-index: 1;
}

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: var(--secondary-color);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
}

@media (max-width: 991px) {
    .hero-section {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .value-card .row {
        flex-direction: column;
    }

    .value-card .col-lg-5 {
        max-height: 250px;
        overflow: hidden;
    }

    .value-card img {
        width: 100%;
        height: 250px;
        object-fit: cover;
    }

    .value-card .card-body {
        padding: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
        text-align: center;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-section .btn {
        width: 100%;
        margin-bottom: 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .feature-card,
    .testimonial-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

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

    .feature-icon i {
        font-size: 1.5rem;
    }

    .testimonial-img {
        width: 80px;
        height: 80px;
    }

    .about-banner {
        padding: 3rem 0;
        text-align: center;
    }

    .about-banner h2 {
        font-size: 1.75rem;
    }

    .about-banner .lead {
        font-size: 1rem;
    }

    .about-banner .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 0.875rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .value-card,
    .feature-card,
    .testimonial-card {
        margin: 0.5rem 0;
    }

    .value-card .col-lg-5 {
        max-height: 200px;
    }

    .value-card img {
        height: 200px;
    }

    .value-card .card-body {
        padding: 1.25rem;
    }

    .value-card h3,
    .feature-card h3 {
        font-size: 1.25rem;
    }

    .testimonial-img {
        width: 70px;
        height: 70px;
    }
}