@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #607848;
    --secondary-color: #789048;
    --accent-color: #c0d860;
    --background-color: #f8f9fa;
    --text-color: #2c3e50;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

.main__container {
    background-color: #FFFFFF;
    max-width: 1400px;
    margin: 0 auto;
    box-shadow: var(--card-shadow);
    border-radius: 20px;
    overflow: hidden;
}

/* Modern Navbar Styles */
.contenedor__nav {
    background-color: #FFFFFF;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    width: 100%;
}

.navbar-brand {
    font-size: 2rem;
    font-weight: 700;
    text-decoration: none;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    justify-content: flex-end;
    margin-left: auto;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.section__container {
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url(../source/img/imagen-prestamo.jpg);
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: 2rem;
}

.section__text {
    font-size: 3.5rem;
    color: #FFFFFF;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Subtitle Section */
.section__dos {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

.subtitulo {
    font-size: 2.5rem;
    color: var(--primary-color);
    max-width: 800px;
    margin: 0 auto;
}

/* Cards Section */
.box-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 2rem;
}

.box-item {
    perspective: 1000px;
}

.flip-box {
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s;
    cursor: pointer;
}

.flip-box:hover {
    transform: rotateY(180deg);
}

.flip-box-front,
.flip-box-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.flip-box-front {
    background-size: cover;
    background-position: center;
}

.flip-box-back {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.inner {
    text-align: center;
    color: white;
}

.flip-box-header {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.flip-box p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.flip-box-button {
    background: transparent;
    border: 2px solid white;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.flip-box-button:hover {
    background: white;
    color: var(--primary-color);
}

/* Form Section */
.section__prestamo {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem auto;
    max-width: 600px;
    box-shadow: var(--card-shadow);
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-control {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

/* Select Options */
select.form-control option {
    text-align: center;
}

/* Buttons */
.button-prop {
    display: block;
    margin: 1.5rem auto;
    width: 100%;
    max-width: 400px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    transition: var(--transition);
}

.button-prop:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(96, 120, 72, 0.3);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

/* Currency Converter */
#cotizacion {
    text-align: center;
}

#cotizacion .form-group {
    margin-bottom: 1.5rem;
}

#cotizacion .form-control {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

#cotizacion select.form-control option {
    text-align: center;
}

/* Override Bootstrap Button Colors */
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    border: none;
}

/* Testimonials */
.testimoniales-contenedor {
    padding: 4rem 2rem;
    position: relative;
}

.testimonials .card {
    border: none;
    border-radius: 15px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    padding: 2rem 1rem;
    margin-top: 3rem;
}

.testimonials .card i {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    z-index: 1;
}

.testimonials .card-body {
    position: relative;
    z-index: 0;
    padding-top: 1rem;
}

/* Footer */
footer {
    background: white;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-nav {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-end;
    }
    
    .section__text {
        font-size: 2rem;
        padding: 0 1rem;
    }
    
    .subtitulo {
        font-size: 1.8rem;
        padding: 0 1rem;
    }
    
    .box-container {
        grid-template-columns: 1fr;
        padding: 2rem 1rem;
    }
    
    .section__prestamo {
        width: 90%;
        padding: 1.5rem;
    }

    .form-control {
        width: 100%;
    }

    .button-prop {
        width: 100%;
    }

    .testimonials .card {
        margin-top: 2rem;
    }
}

@media (max-width: 320px) {
    .navbar-brand {
        font-size: 1.5rem;
    }

    .section__text {
        font-size: 1.5rem;
    }

    .subtitulo {
        font-size: 1.3rem;
    }

    .flip-box-header {
        font-size: 1.5rem;
    }

    .flip-box p {
        font-size: 1rem;
    }

    .form-control {
        font-size: 14px;
    }

    .button-prop {
        font-size: 14px;
        padding: 0.8rem 1rem;
    }

    .testimonials .card {
        padding: 1.5rem 1rem;
    }

    .testimonials .card i {
        width: 50px;
        height: 50px;
        line-height: 50px;
        top: -25px;
    }
}

/* Spinner */
#spinner-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--accent-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}