/* --- ESTILOS GLOBALES Y VARIABLES --- */
:root {
    --color-primario: #4a3728;
    --color-secundario: #a88d75;
    --color-acento: #e0d1c1;
    --color-fondo: #fdfaf6;
    --color-texto: #3d3d3d;
    --color-blanco: #ffffff;
    --color-exito: #d4edda;
    --color-error: #f8d7da;
}

body {
    font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
}

/* --- NAVEGACIÓN (HEADER) --- */
header {
    background-color: var(--color-blanco);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.brand-name {
    font-size: 2.2em;
    font-weight: bold;
    color: var(--color-primario);
    text-decoration: none;
}

.nav-links {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--color-primario);
    font-weight: 500;
    font-size: 1.1em;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-links li a:hover {
    color: var(--color-secundario);
}

.login-btn {
    background-color: var(--color-primario);
    color: var(--color-blanco) !important;
    padding: 10px 22px;
    border-radius: 25px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.login-btn:hover {
    background-color: var(--color-secundario);
    color: var(--color-blanco) !important;
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    font-size: 1.8em;
    color: var(--color-primario);
    cursor: pointer;
}


/* --- SECCIONES PÁGINA PRINCIPAL --- */
.hero { background-image: linear-gradient(rgba(74, 55, 40, 0.85), rgba(74, 55, 40, 0.85)), url('https://images.unsplash.com/photo-1450101499163-c8848c66ca85?q=80&w=2070&auto=format&fit=crop'); background-size: cover; background-position: center center; color: var(--color-blanco); text-align: center; padding: 120px 20px; }
.hero h1 { font-size: 3.5em; margin-bottom: 20px; text-shadow: 1px 1px 3px rgba(0,0,0,0.4); }
.hero p { font-size: 1.5em; margin-bottom: 40px; max-width: 850px; margin-left: auto; margin-right: auto; }
.cta-button { background-color: var(--color-secundario); color: var(--color-blanco); padding: 18px 35px; font-size: 1.3em; text-decoration: none; border-radius: 30px; font-weight: bold; transition: transform 0.2s ease, background-color 0.3s ease; display: inline-block; cursor: pointer; border: none; }
.cta-button:hover { background-color: var(--color-primario); transform: translateY(-3px); }
.quienes-somos { padding: 80px 20px; background-color: var(--color-fondo); }
.quienes-somos-content { display: flex; align-items: center; justify-content: center; gap: 60px; flex-wrap: wrap; }
.quienes-somos-logo { flex: 1; max-width: 300px; text-align: center; }
.quienes-somos-logo img { width: 100%; height: auto; }
.quienes-somos-texto { flex: 2; min-width: 300px; }
.quienes-somos-texto h2 { font-size: 2.8em; color: var(--color-primario); margin-bottom: 30px; text-align: left; }
.quienes-somos-texto p { font-size: 1.2em; line-height: 1.8; text-align: left; }
.benefits { padding: 80px 0; background-color: var(--color-blanco); }
h2.section-title { text-align: center; font-size: 2.8em; color: var(--color-primario); margin-bottom: 60px; }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }
.benefit-card { text-align: center; padding: 20px; }
.benefit-card .icon { font-size: 4em; color: var(--color-secundario); margin-bottom: 25px; }
.benefit-card h3 { font-size: 1.6em; color: var(--color-primario); margin-bottom: 15px; }


/* --- ESTILOS PARA FORMULARIOS (REGISTRO Y LOGIN) --- */
.form-page-container { max-width: 800px; margin: 2rem auto; padding: 1.5rem; }
.form-container { background-color: var(--color-blanco); padding: 2rem 3rem; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); }
.form-container h1 { font-family: 'Montserrat', sans-serif; text-align: center; margin-bottom: 0.5rem; color: var(--color-primario); }
.form-container .subtitle { text-align: center; margin-top: 0; margin-bottom: 2rem; color: var(--color-secundario); }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 700; color: var(--color-primario); }
.form-group input[type="text"], .form-group input[type="email"], .form-group input[type="password"] { width: 100%; padding: 12px; border: 1px solid var(--color-acento); border-radius: 8px; font-size: 1rem; box-sizing: border-box; }
.form-group input:focus { border-color: var(--color-secundario); outline: none; }
.form-row { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 200px; }
#usuario { background-color: #f0e9e2; }
.submit-btn { width: 100%; padding: 15px; border: none; border-radius: 25px; background-color: var(--color-primario); color: var(--color-blanco); font-size: 1.1rem; font-weight: bold; cursor: pointer; transition: background-color 0.2s ease; }
.submit-btn:hover:not(:disabled) { background-color: var(--color-secundario); }
.submit-btn:disabled { background-color: #ccc; cursor: not-allowed; }
.import-btn { display: block; width: 100%; padding: 14px; margin-bottom: 1.5rem; background-color: var(--color-secundario); color: white; border-radius: 25px; text-align: center; font-weight: 700; cursor: pointer; border: none; transition: background-color 0.2s ease; }
.import-btn:hover { background-color: var(--color-primario); }
.mensaje { padding: 1rem; margin-bottom: 1rem; border-radius: 8px; text-align: center; }
.mensaje.exito { background-color: var(--color-exito); color: #155724; }
.mensaje.error { background-color: var(--color-error); color: #721c24; }
.register-link { text-align: center; margin-top: 1.5rem; }
.register-link a { color: var(--color-secundario); text-decoration: underline; }


/* --- ESTILOS PARA MODALES --- */
.modal-overlay { display: none; position: fixed; z-index: 1001; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.6); justify-content: center; align-items: center; }
.modal-content { background-color: var(--color-fondo); padding: 2rem; border-radius: 12px; max-width: 600px; width: 90%; position: relative; }
.modal-close { position: absolute; top: 1rem; right: 1.5rem; font-size: 2rem; cursor: pointer; color: var(--color-secundario); }
#open-modal-btn { background: none; border: none; color: var(--color-secundario); text-decoration: underline; cursor: pointer; font-size: 1rem; padding: 0; }
.privacy-item { margin-bottom: 1rem; } .privacy-item label { display: flex; align-items: center; cursor: pointer; } .privacy-item input[type="checkbox"] { margin-right: 0.75rem; }


/* --- FOOTER --- */
footer { background-color: var(--color-primario); color: var(--color-blanco); text-align: center; padding: 40px 20px; margin-top: 50px; }
footer p { margin: 5px 0; }


/* --- REGLAS RESPONSIVE Y MENÚ MÓVIL --- */
@media (max-width: 992px) {
    .brand-name { font-size: 2em; }
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background-color: var(--color-primario);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1002;
        transition: transform 0.3s ease-in-out;
        transform: translateX(100%);
    }
    .nav-links.active {
        display: flex;
        transform: translateX(0);
    }
    .nav-links li { margin: 20px 0; }
    .nav-links li a { color: var(--color-blanco); font-size: 1.5em; }
    .login-btn { border: 2px solid var(--color-secundario); background-color: transparent; }
    
    .hero h1 { font-size: 2.8em; } .hero p { font-size: 1.3em; } .quienes-somos-texto h2, .quienes-somos-texto p { text-align: center; }
    .form-container { padding: 1.5rem; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.3em; } .hero p { font-size: 1.1em; } h2.section-title, .quienes-somos-texto h2 { font-size: 2.2em; } .benefits-grid { grid-template-columns: 1fr; }
}