/* ======================
   CSS RESET & BASE STYLES
   ====================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Variables adicionales específicas para la calculadora */
:root {
    /* Colores - usando sistema El Método 4P's */
    --primary-color: var(--color-naranja-energetico, #FF6B35);
    --secondary-color: var(--color-negro-profundo, #1a1a1a);
    --background-color: var(--color-gris-claro, #f8f9fa);
    --text-color: var(--color-gris-oscuro, #2d2d2d);
    --white: var(--color-blanco-puro, #FFFFFF);
    --light-gray: var(--color-gris-suave, #e9ecef);
    --dark-gray: var(--color-gris-medio, #666666);
    --success-green: var(--color-exito, #28a745);
    --warning-orange: var(--color-advertencia, #ffc107);
    --error-red: var(--color-alerta, #dc3545);
    --hover-color: var(--color-naranja-claro, #FF8C61);

    /* Typography - usando sistema El Método 4P's */
    --font-family: var(--fuente-principal, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    --font-family-headings: var(--fuente-headings, 'Montserrat', 'Inter', sans-serif);
    --font-size-base: 16px;

    /* Spacing - usando sistema El Método 4P's */
    --spacing-xs: var(--espaciado-xs, 0.25rem);
    --spacing-sm: var(--espaciado-sm, 0.5rem);
    --spacing-md: var(--espaciado-md, 1rem);
    --spacing-lg: var(--espaciado-lg, 1.5rem);
    --spacing-xl: var(--espaciado-xl, 2rem);
    --spacing-2xl: var(--espaciado-2xl, 3rem);

    /* Border Radius - sistema El Método 4P's */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Shadows - sistema El Método 4P's */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Tipografía - Sistema El Método 4P's */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-headings);
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
}

/* CTA Buttons - Sistema El Método 4P's */
.cta-principal {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    padding: 16px 32px !important;
    border: none !important;
    border-radius: 8px !important;
    font-family: var(--font-family-headings) !important;
    font-weight: 700 !important;
    font-size: 1.1rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3) !important;
    text-decoration: none !important;
    display: inline-block !important;
}

.cta-principal:hover {
    background: var(--hover-color) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4) !important;
}

.cta-principal:active {
    transform: translateY(0) !important;
}

.cta-secundario {
    background: transparent !important;
    color: var(--primary-color) !important;
    border: 2px solid var(--primary-color) !important;
    padding: 14px 30px !important;
    border-radius: 8px !important;
    font-family: var(--font-family-headings) !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    text-decoration: none !important;
    display: inline-block !important;
}

.cta-secundario:hover {
    background: var(--primary-color) !important;
    color: var(--white) !important;
    transform: translateY(-2px) !important;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ======================
   LOGO HEADER
   ====================== */

.logo-header {
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--light-gray);
    position: sticky;
    top: 4px;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.logo-container {
    text-align: center;
}

.hero-logo {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.hero-logo:hover {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .hero-logo {
        height: 45px;
    }

    .logo-header {
        padding: var(--spacing-sm) 0;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ======================
   PROGRESS BAR
   ====================== */

.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--light-gray);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

/* ======================
   HERO SECTION
   ====================== */

.hero-section {
    background: var(--gradiente-oscuro, linear-gradient(135deg, var(--secondary-color) 0%, var(--color-gris-oscuro) 100%));
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-family: var(--font-family-headings);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    background: var(--gradiente-naranja, linear-gradient(135deg, var(--primary-color) 0%, var(--hover-color) 100%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-family-headings);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    opacity: 0.95;
}

.hero-description strong {
    color: var(--primary-color);
}

.hero-image {
    margin-top: var(--spacing-xl);
}

.placeholder-image {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
}

/* ======================
   CALCULATOR SECTION
   ====================== */

.calculator-section {
    padding: var(--spacing-2xl) 0;
}

.calculator-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.calculator-title {
    font-family: var(--font-family-headings);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.calculator-subtitle {
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
}

.calculator-form {
    max-width: 700px;
    margin: 0 auto;
}

/* ======================
   FORM STYLES
   ====================== */

.form-group {
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.form-group[data-question="1"] {
    animation-delay: 0.1s;
}

.form-group[data-question="2"] {
    animation-delay: 0.2s;
}

.form-group[data-question="3"] {
    animation-delay: 0.3s;
}

.form-group[data-question="4"] {
    animation-delay: 0.4s;
}

.form-group[data-question="5"] {
    animation-delay: 0.5s;
}

.form-group[data-question="6"] {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-label {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.question-number {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    text-align: center;
    line-height: 32px;
    margin-right: var(--spacing-sm);
    font-weight: 700;
}

.form-select,
.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-family: var(--font-family);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-select:focus,
.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.otro-nicho-container {
    margin-top: var(--spacing-md);
}

/* Radio Button Styles */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-option {
    position: relative;
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover {
    border-color: var(--primary-color);
    background: rgba(255, 107, 53, 0.05);
}

.radio-option input[type="radio"] {
    margin-right: var(--spacing-md);
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.radio-option input[type="radio"]:checked+.radio-label {
    font-weight: 600;
    color: var(--primary-color);
}

.radio-option:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
}

.radio-label {
    flex: 1;
    font-size: 1rem;
    cursor: pointer;
}

/* Submit Button */
.form-submit {
    margin-top: var(--spacing-xl);
    opacity: 0;
    animation: fadeInUp 0.5s ease 0.7s forwards;
}

.btn-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--font-family);
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-color), #FF8C61);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active {
    transform: translateY(0);
}

/* ======================
   LOADING SPINNER
   ====================== */

.loading-spinner {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-spinner p {
    font-size: 1.25rem;
    color: var(--dark-gray);
    font-weight: 500;
}

/* ======================
   RESULTS SECTION
   ====================== */

.results-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, var(--background-color) 0%, var(--white) 100%);
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.results-title {
    font-family: var(--font-family-headings);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.results-subtitle {
    font-size: 1.25rem;
    color: var(--dark-gray);
}

.results-subtitle strong {
    color: var(--primary-color);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Result Cards */
.result-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.result-card.conservative {
    border-top: 4px solid #6B7280;
}

.result-card.realistic {
    border-top: 4px solid var(--primary-color);
}

.result-card.optimistic {
    border-top: 4px solid var(--success-green);
}

.result-card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.result-timeframe {
    color: var(--dark-gray);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.result-card-body {
    border-top: 1px solid var(--light-gray);
    padding-top: var(--spacing-md);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.result-item.total {
    border-top: 2px solid var(--light-gray);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    font-weight: 600;
}

.result-label {
    color: var(--dark-gray);
}

.result-value {
    font-weight: 600;
    color: var(--text-color);
}

.result-value.highlight {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Disclaimer */
.disclaimer {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-left: 4px solid var(--warning-orange);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.disclaimer h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.disclaimer-list {
    list-style: none;
    margin-left: 0;
}

.disclaimer-list li {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-color);
}

.disclaimer-list strong {
    color: var(--secondary-color);
}

/* ======================
   PROBLEM SECTION
   ====================== */

.problem-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem-title {
    font-family: var(--font-family-headings);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.problem-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: var(--spacing-xl);
}

.error-list {
    background: var(--background-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.error-list h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.error-list ul {
    list-style: none;
    margin-left: 0;
}

.error-list li {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    padding-left: var(--spacing-lg);
    position: relative;
}

.problem-transition {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--text-color);
}

.problem-transition strong {
    color: var(--success-green);
    font-size: 1.3rem;
}

/* ======================
   LEAD CAPTURE SECTION
   ====================== */

.lead-capture-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), #FF8C61);
}

.capture-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    margin: 0 auto;
}

.capture-title {
    font-family: var(--font-family-headings);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

.capture-subtitle {
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    line-height: 1.6;
}

.capture-form {
    margin-top: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group-inline {
    width: 100%;
}

.form-checkbox {
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.btn-capture {
    margin-top: var(--spacing-md);
}

.capture-privacy {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--dark-gray);
    font-size: 0.95rem;
}

/* ======================
   TESTIMONIALS SECTION
   ====================== */

.testimonials-section {
    padding: var(--spacing-2xl) 0;
    background: var(--background-color);
}

.section-title {
    font-family: var(--font-family-headings);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--secondary-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
    margin-right: var(--spacing-md);
}

.avatar-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.testimonial-author p {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    font-style: italic;
}

.testimonial-result {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--light-gray);
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.testimonial-result strong {
    color: var(--success-green);
    font-size: 1.1rem;
}

/* ======================
   FAQ SECTION
   ====================== */

.faq-section {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--background-color);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

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

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    line-height: 1.6;
    color: var(--dark-gray);
}

/* ======================
   FOOTER
   ====================== */

.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    text-align: center;
}

.footer-links {
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 var(--spacing-sm);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-links span {
    color: rgba(255, 255, 255, 0.5);
}

.footer-email {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-email a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-social-proof {
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    opacity: 0.9;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ======================
   RESPONSIVE STYLES
   ====================== */

@media (max-width: 768px) {
    .hero-section {
        padding: var(--spacing-xl) 0;
    }

    .calculator-card {
        padding: var(--spacing-lg);
    }

    .radio-group {
        gap: var(--spacing-xs);
    }

    .radio-option {
        padding: var(--spacing-sm);
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .question-number {
        width: 28px;
        height: 28px;
        line-height: 28px;
        font-size: 0.9rem;
    }

    .form-label {
        font-size: 1.1rem;
    }

    .btn-submit {
        font-size: 1.1rem;
        padding: var(--spacing-md);
    }
}

/* ======================
   ANIMATIONS
   ====================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideInUp 0.6s ease;
}

/* Print Styles */
@media print {

    .progress-bar-container,
    .footer {
        display: none;
    }
}