/* 1. VARIABLES DE COLOR (Inversión: Fondo Blanco / Texto Azul) */
:root {
    --color-primary: #1f2a4a;   /* Azul Marino Logo */
    --color-secondary: #7b4696; /* Púrpura Gradiente */
    --color-accent: #7b4696;    /* Dorado Detalle */
    --color-bg: #ffffff;        /* Fondo Blanco */
    --color-bg-light: #f8f9fa;  /* Gris muy claro para secciones */
    --color-text: #4a5568;      /* Gris para párrafos */
    --color-white: #ffffff;
}

/* 2. RESETEO Y BASE */
* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    color: var(--color-primary);
    line-height: 1.6;
    background-color: var(--color-bg);
}

h1, h2, h3, h4 { color: var(--color-primary); margin-bottom: 1rem; }
a { text-decoration: none; color: var(--color-primary); transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; }

/* 3. ESTRUCTURA GLOBAL */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.text-center { text-align: center; }
.bg-light { background-color: var(--color-bg-light); }

/* HEADER Y NAVEGACIÓN */
header {
    background-color: var(--color-bg);
    border-bottom: 1px solid #eee;
    position: sticky; top: 0; z-index: 1000;
}

.header-container {
    display: flex; justify-content: space-between; align-items: center; padding: 15px 20px;
}

.logo { max-height: 55px; }
#menu-toggle { display: none; }
.menu-icon { display: none; font-size: 1.8rem; cursor: pointer; color: var(--color-primary); }

nav { display: flex; align-items: center; }
nav a {
    margin-left: 25px; font-weight: 600; font-size: 0.9rem;
    color: var(--color-primary); text-transform: uppercase;
}
nav a:hover, nav a.active { color: var(--color-secondary); }

.btn-nav-contacto {
    background-color: var(--color-secondary);
    color: var(--color-white) !important;
    padding: 10px 20px; border-radius: 4px;
}

/* 4. ELEMENTOS DE PÁGINA (HERO, GRIDS, CARDS) */
.hero { padding: 80px 0; text-align: center;
background-color: #ffffff !important; /* Forzamos el blanco */}
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.logo-hero { 
    max-width: 450px; width: 90%; margin: 0 auto 30px auto; 
    height: auto; display: block;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }

.card {
    background: var(--color-white); padding: 30px; border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05); border-top: 4px solid var(--color-secondary);
}

.features-list ul {
    list-style: none; background: var(--color-bg-light); padding: 30px;
    border-radius: 8px; border-left: 5px solid var(--color-secondary);
}

/* 5. RECREACIÓN DEL MÉTODO (HTML/CSS) */
.metodo-container {
    display: flex; align-items: center; justify-content: center;
    max-width: 900px; margin: 50px auto; padding: 20px;
}

.metodo-step { flex: 1; display: flex; flex-direction: column; align-items: center; position: relative; text-align: center; }
.step-content h3 { font-size: 1.3rem; color: var(--color-secondary); margin-bottom: 5px; }
.step-content p { font-size: 0.9rem; color: var(--color-text); }
.step-dot { width: 16px; height: 16px; background-color: var(--color-accent); border-radius: 50%; margin: 15px 0; z-index: 2; }

.metodo-connector {
    flex: 0.5; height: 100px; border: 3px solid var(--color-accent);
    border-left: none; border-right: none; margin: 0 -3px;
}

.metodo-connector:nth-of-type(2) { border-bottom: none; border-top-right-radius: 25px; border-top-left-radius: 25px; align-self: flex-start; margin-top: -50px; }
.metodo-connector:nth-of-type(4) { border-top: none; border-bottom-right-radius: 25px; border-bottom-left-radius: 25px; align-self: flex-end; margin-bottom: -50px; }

/* 6. FORMULARIO */
.form-container { background: var(--color-bg-light); padding: 40px; border-radius: 8px; }
.form-group { margin-bottom: 15px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px;
}
.btn-submit {
    background-color: var(--color-secondary); color: white; border: none;
    padding: 15px; width: 100%; font-weight: bold; cursor: pointer;
}

/* 7. FOOTER */
footer { background: var(--color-bg-light); padding: 40px 0; text-align: center; border-top: 1px solid #eee; }

/* 8. RESPONSIVO (MÓVIL) */
@media (max-width: 768px) {
    .menu-icon { display: block; }
    nav {
        display: none; flex-direction: column; position: absolute;
        top: 100%; left: 0; width: 100%; background: var(--color-white);
        padding: 20px 0; box-shadow: 0 10px 10px rgba(0,0,0,0.05);
    }
    nav a { margin: 15px 20px; font-size: 1.1rem; }
    #menu-toggle:checked ~ nav { display: flex; }

    .hero h1 { font-size: 2rem; }
    .logo-hero { max-width: 280px; }

    .grid-2 { grid-template-columns: 1fr; text-align: center; }
    .grid-2 div { display: flex; flex-direction: column; align-items: center; }
    .grid-2 img { margin: 0 auto 20px auto; max-width: 85%; }

    /* Ajuste del esquema para móvil (Vertical) */
    .metodo-container { flex-direction: column; gap: 40px; }
    .metodo-connector { display: none; }
    .metodo-step { border-left: 3px solid var(--color-accent); padding-left: 25px; align-items: flex-start; text-align: left; }
    .step-dot { position: absolute; left: -10px; top: 0; margin: 0; }
}

/* Oculta el logo en el navbar cuando estamos en el index */
.logo-hidden {
    display: none;
}

/* En el resto de páginas, el logo se ve normal */
.logo {
    max-height: 55px;
    display: block;
}

/* Ajuste importante: Si el logo desaparece, el menú podría moverse a la izquierda. 
   Para que el menú se quede a la derecha siempre: */
.header-container {
    display: flex;
    justify-content:沟通-between;
    align-items: center;
}

@media (max-width: 768px) {
    /* En móvil, si no hay logo, centramos el icono de hamburguesa o lo pegamos a la derecha */
    .header-container {
        justify-content: center;
    }
}