/* =============================================================================
   SECCIONES DE CONTENIDO
   Estilos para todas las secciones: Cómo funciona, Beneficios, Requisitos, etc.
   ============================================================================= */

/* --- WAVE DIVIDERS --- */
.wave-divider {
    position: relative;
    margin-top: -1px;
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 60px;
}

.wave-divider.wave-top {
    margin-bottom: -1px;
}

/* --- BACKGROUNDS Y PATTERNS --- */
.how-it-works {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
}

.requirements {
    position: relative;
}

.requirements::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(45deg, rgba(76, 175, 80, 0.03) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(76, 175, 80, 0.03) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(76, 175, 80, 0.03) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(76, 175, 80, 0.03) 75%);
    background-size: 40px 40px;
    background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
    opacity: 0.5;
    pointer-events: none;
}

.calculator {
    position: relative;
}

.calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle, rgba(76, 175, 80, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.testimonials {
    background: linear-gradient(180deg, var(--color-white) 0%, #f0f7f1 100%);
}

/* --- CÓMO FUNCIONA --- */
.how-it-works .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.step-card {
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.step-card:hover, .step-card:focus-within {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.step-card .icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.step-card h4 {
     font-family: var(--font-headings);
     color: var(--color-primary);
     font-size: 1.4rem;
     margin-bottom: 10px;
}

/* --- BENEFICIOS --- */
.benefits {
    background-color: var(--color-light);
}

.benefits .grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.benefits-list li {
    list-style-type: none;
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
}

.benefits-list .icon {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-right: 20px;
    margin-top: 5px;
}

.benefits-image img {
    max-width: 100%;
    border-radius: 10px;
    height: auto;
}

/* --- REQUISITOS --- */
.requirements .grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.req-card {
    background: var(--color-light);
    padding: 30px;
    border-left: 5px solid var(--color-secondary);
    border-radius: 5px;
}

.req-card h4 {
    color: var(--color-primary);
    font-family: var(--font-headings);
    font-size: 1.3rem;
}

/* --- RESPALDO --- */
.trust-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
}

.trust-section h2, .trust-section h3 {
    color: var(--color-white);
}

.trust-section p {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* --- CALCULADORA --- */
.calculator {
    background-color: var(--color-light);
}

.calculator-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    text-align: center;
}

.slider-container {
    margin: 30px 0;
    position: relative;
}

.slider-label {
    position: absolute;
    top: -25px;
    left: 0;
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.8;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 10px;
    background: #ddd;
    border-radius: 5px;
    outline: none;
    margin-top: 10px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    background: var(--color-secondary);
    cursor: pointer;
    border-radius: 50%;
}

input[type="range"]::-moz-range-thumb {
    width: 25px;
    height: 25px;
    background: var(--color-secondary);
    cursor: pointer;
    border-radius: 50%;
    border: none;
}

input[type="range"]:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 4px;
}

.calculator-results {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.result-item {
    background: var(--color-light);
    padding: 20px;
    border-radius: 8px;
}

.result-item h4 {
    color: var(--color-primary);
    font-family: var(--font-headings);
    margin-bottom: 10px;
}

.result-item .value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-headings);
}

/* --- TESTIMONIOS --- */
.testimonials .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: var(--color-light);
    padding: 30px;
    border-radius: 10px;
    position: relative;
}

.testimonial-card .quote {
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 3rem;
    color: var(--color-secondary);
    opacity: 0.2;
}

.testimonial-card p {
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    font-weight: 700;
    color: var(--color-primary);
}

/* --- FAQ --- */
.faq .container {
    max-width: 800px;
}

.faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.2rem;
    font-family: var(--font-headings);
    color: var(--color-primary);
    padding: 20px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover, .faq-question:focus {
    color: var(--color-secondary);
    outline: 2px solid var(--color-secondary);
    outline-offset: 4px;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-answer p {
    padding-bottom: 20px;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-item.active .icon {
    transform: rotate(180deg);
}

.faq-question .icon {
    transition: transform 0.3s;
}

/* --- CTA --- */
.cta {
    background: var(--color-light);
    text-align: center;
}

.cta .section-title p {
    margin-bottom: 50px;
}

/* --- FOOTER --- */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

.footer a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer a:hover, .footer a:focus {
    opacity: 1;
    outline: 1px solid var(--color-white);
    outline-offset: 2px;
}