/* --- VARIABLES --- */
:root {
    --color-background: #F5F3ED;
    --color-secondary: #EAE6DA;
    --color-headlines: #2C2C2C;
    --color-text: #6B6B6B;
    --color-accent: #FF4500;
    --color-hover: #D83A00;
    --color-white: #FFFFFF;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --container-width: 1140px;
}

/* (El resto del código CSS hasta la sección de NAVBAR permanece igual) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-secondary); font-size: 17px; line-height: 1.7; color: var(--color-text); background-color: var(--color-background); }
body.menu-open { overflow: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-primary); color: var(--color-headlines); font-weight: 600; line-height: 1.2; }
ul { list-style: none; }
a { text-decoration: none; color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
[data-delay] { transition-delay: var(--delay); }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; position: relative; z-index: 1; }
.section--secondary { background-color: var(--color-secondary); }
.section-header { margin-bottom: 4rem; }
.section__title { font-size: 2.8rem; text-align: center; margin-bottom: 1rem; }
.section__subtitle { font-size: 1.25rem; text-align: center; max-width: 700px; margin: 0 auto; }
.section__title--left { text-align: left; margin-bottom: 1.5rem; }
.button { display: inline-block; padding: 0.7rem 1.8rem; border-radius: 50px; font-weight: 500; transition: all 0.3s; font-family: var(--font-primary); border: 1.5px solid transparent; cursor: pointer; }
.button--primary { background-color: var(--color-accent); color: var(--color-white); border-color: var(--color-accent); }
.button--primary:hover { background-color: var(--color-hover); border-color: var(--color-hover); transform: translateY(-2px); }
.button--outline { background-color: transparent; color: var(--color-accent); border-color: var(--color-accent); }
.button--outline:hover { background-color: var(--color-accent); color: var(--color-white); }
.button--large { font-size: 1.1rem; padding: 1rem 2.5rem; }

/* --- NAVBAR (PASTILLA) --- */
.header { width: 100%; position: fixed; top: 20px; left: 0; z-index: 100; padding: 0 1.5rem; }
.nav__container { max-width: 900px; margin: 0 auto; }
.nav { height: 65px; display: flex; justify-content: space-between; align-items: center; padding: 0 1.5rem; background-color: rgba(255, 255, 255, 0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(0,0,0,0.05); border-radius: 50px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.nav__logo img { height: 28px; }
.nav__menu { display: flex; align-items: center; }
.nav__list { display: flex; align-items: center; gap: 2rem; }
.nav__link { color: var(--color-text); font-weight: 500; transition: color 0.3s; font-size: 16px; }
.nav__link:hover { color: var(--color-accent); }
.nav__button--desktop { padding: 0.4rem 1.2rem; font-size: 15px; }
.nav__button--mobile { display: none; } /* Oculto en escritorio */
.nav__item--mobile-button { display: none; } /* Oculto en escritorio */
.nav__toggle { display: none; }

/* (El resto del código CSS hasta la sección RESPONSIVE permanece igual) */
.hero { padding-top: 160px; padding-bottom: 5rem; text-align: center; position: relative; overflow: hidden; background: linear-gradient(-45deg, var(--color-background), var(--color-secondary), var(--color-soft-accent), var(--color-background)); background-size: 400% 400%; animation: gradient-pan 15s ease infinite; }
@keyframes gradient-pan { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
.hero__content { position: relative; z-index: 2; }
.hero__title { font-size: 3.8rem; margin-bottom: 1rem; }
.hero__subtitle { font-size: 1.3rem; margin-bottom: 2.5rem; }
.problem__container, .benefits__container, .services__container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.problem-card { background-color: var(--color-white); border: 1px solid var(--color-secondary); padding: 2.5rem 2rem; border-radius: 10px; text-align: center; }
.problem-card__title { font-size: 1.5rem; margin-bottom: 1rem; color: var(--color-accent); }
.card { background-color: var(--color-white); padding: 2.5rem 2rem; border-radius: 10px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); text-align: left; }
.card__icon { color: var(--color-accent); margin-bottom: 1rem; }
.card__icon svg { width: 40px; height: 40px; }
.card__title { font-size: 1.5rem; margin-bottom: 0.5rem; }
.card, .problem-card, .difference-card { transition: transform 0.3s ease-out, box-shadow 0.3s ease-out; }
.card:hover, .problem-card:hover, .difference-card:hover { transform: translateY(-6px); box-shadow: 0 8px 30px rgba(0,0,0,0.1); }
.difference__container { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 900px; margin: 0 auto; }
.difference-card { background-color: var(--color-white); padding: 2.5rem; border-radius: 10px; }
.difference-card--secondary { background-color: var(--color-headlines); color: var(--color-white); }
.difference-card--secondary .difference-card__title { color: var(--color-white); }
.difference-card__title { font-size: 1.5rem; margin-bottom: 1.5rem; }
.difference-card li { margin-bottom: 1rem; display: flex; align-items: flex-start; gap: 0.75rem; }
.difference-card li svg { flex-shrink: 0; width: 20px; height: 20px; margin-top: 4px; }
.difference-card li svg { color: #22c55e; }
.difference-card--secondary li svg { color: #ef4444; }
.method__container { display: grid; grid-template-columns: 1fr; gap: 0; max-width: 700px; margin: 0 auto; position: relative; }
.method__step { display: flex; align-items: flex-start; gap: 2rem; text-align: left; position: relative; padding-bottom: 2.5rem; }
.method__step:not(:last-child)::before { content: ''; position: absolute; left: 24px; top: 50px; width: 2px; height: 100%; background-color: var(--color-secondary); }
.method__number { flex-shrink: 0; width: 50px; height: 50px; background-color: var(--color-accent); color: var(--color-white); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.5rem; font-weight: 600; z-index: 1; }
.method__title { font-size: 1.5rem; margin-bottom: 0.5rem; }
.author__container { display: flex; align-items: center; gap: 4rem; }
.author__photos { display: flex; justify-content: center; }
.author__image { flex-shrink: 0; }
.author__image img { border-radius: 50%; width: 150px; height: 150px; object-fit: cover; background-color: var(--color-secondary); box-shadow: 0 4px 20px rgba(0,0,0,0.1); border: 4px solid var(--color-background); }
.author__image:nth-child(2) { margin-left: -40px; }
.author__content { flex: 1; }
.cta { background-color: var(--color-secondary); }
.cta__container--centered { text-align: center; }
.cta__text { font-size: 1.25rem; max-width: 700px; margin: 0 auto 2rem auto; }
.faq__container { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--color-secondary); padding: 1.5rem 0; }
.faq__question { display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq__question h3 { font-size: 1.25rem; font-weight: 500; }
.faq__icon { font-size: 1.8rem; font-weight: 400; color: var(--color-accent); transition: transform 0.3s; }
.faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; }
.faq__answer p { padding-top: 1rem; }
.faq__item.active .faq__answer { max-height: 300px; }
.faq__item.active .faq__icon { transform: rotate(45deg); }
.footer { background-color: var(--color-headlines); color: var(--color-secondary); padding: 5rem 0; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer__brand { grid-column: span 1; }
.footer__logo img { height: 30px; margin-bottom: 1rem; }
.footer__tagline { margin-bottom: 1.5rem; }
.footer__copyright { font-size: 14px; opacity: 0.7; }
.footer__links { grid-column: span 1; }
.footer__title { font-size: 1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; color: var(--color-white); }
.footer__link { color: var(--color-secondary); margin-bottom: 0.5rem; display: inline-block; transition: color 0.3s; }
.footer__link:hover { color: var(--color-white); }

/* --- ESTILOS RESPONSIVOS (CORREGIDOS) --- */
@media (max-width: 992px) {
    .author__container { flex-direction: column; text-align: center; }
    .section__title--left { text-align: center; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: span 2; margin-bottom: 2rem; }
    .difference__container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav__container { max-width: none; }
    .header { top: 0; padding: 0; border-radius: 0; background-color: rgba(245, 243, 237, 0.85); }
    .nav { border-radius: 0; box-shadow: none; border-bottom: 1px solid var(--color-secondary); height: 70px; }
    .nav__menu { align-items: stretch; }
    .nav__list { display: none; } /* Oculta la lista en escritorio */
    .nav__button--desktop { display: none; } /* Oculta el botón de escritorio */
    .nav__toggle { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; z-index: 101; }
    .nav__toggle span { width: 22px; height: 2px; background-color: var(--color-headlines); transition: transform 0.3s, opacity 0.3s; }
    .nav__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav__toggle.is-active span:nth-child(2) { opacity: 0; }
    .nav__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    
    /* Menú Desplegable */
    .nav__menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-background);
        padding: 2rem;
        transition: right 0.4s ease-in-out;
        display: block;
    }
    .nav__menu.show-menu {
        right: 0;
    }
    .nav__list {
        display: flex; /* Se vuelve a mostrar dentro del menú */
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        padding-top: 2rem;
    }
    .nav__link { font-size: 1.5rem; }
    /* NUEVOS ESTILOS PARA EL BOTÓN MÓVIL */
    .nav__item--mobile-button {
        display: block; /* Muestra el <li> del botón */
        width: 100%;
        margin-top: 1.5rem;
    }
    .nav__button--mobile {
        display: inline-block; /* Muestra el <a> del botón */
        width: 100%;
        text-align: center;
        padding: 1rem;
        font-size: 1.2rem;
    }

    /* (El resto de los estilos responsivos no cambian) */
    .hero { padding-top: 120px; }
    .hero__title { font-size: 2.5rem; }
    .hero__subtitle { font-size: 1.1rem; }
    .section { padding: 4rem 1rem; }
    .section__title { font-size: 2.2rem; }
    body { font-size: 16px; }
}

@media (max-width: 480px) {
    .footer__grid { grid-template-columns: 1fr; }
    .footer__brand { grid-column: span 1; }
    .author__photos { transform: scale(0.9); }
}