/* Reset y variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1a1a2e;
    --color-accent: #4a7bc8;
    --color-text: #2d2d2d;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-bg);
    padding-left: 240px; /* Espacio para el sidebar */
}

/* Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    z-index: 1000;
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    border-right: 2px solid rgba(74, 123, 200, 0.3);
    overflow-y: auto;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.nav-menu li {
    margin-bottom: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s;
    position: relative;
    border-left: 4px solid transparent;
    margin-bottom: var(--spacing-xs);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(74, 123, 200, 0.1);
    transform: translateX(5px);
    border-left-color: rgba(74, 123, 200, 0.5);
}

.nav-link.active {
    color: var(--color-accent);
    background-color: rgba(74, 123, 200, 0.15);
    font-weight: 600;
    border-left-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(74, 123, 200, 0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    right: var(--spacing-md);
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.nav-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-brand {
    color: var(--color-primary);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    text-align: center;
    letter-spacing: -0.5px;
}

.nav-footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.nav-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-light);
    border-radius: 50%;
    transition: all 0.3s;
}

.nav-social-link:hover {
    color: var(--color-accent);
    background-color: rgba(74, 123, 200, 0.15);
    transform: scale(1.1);
}

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

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
    border-bottom: 3px solid var(--color-accent);
}

.hero-content {
    max-width: 1100px;
    margin: 0 auto;
}

.hero-price-wrap {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.hero-layout {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.hero-photo-section {
    flex-shrink: 0;
}

.hero-photo-section .hero-profile {
    margin-bottom: var(--spacing-sm);
}

.hero-social {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.hero-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.hero-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.hero-title-main {
    display: block;
    margin-bottom: 0.5rem;
}

.hero-title-sub {
    display: block;
    font-size: 0.85em;
    font-weight: 500;
    color: var(--color-text-light);
    line-height: 1.5;
}

.hero-cta-wrap {
    margin-top: auto;
}

.why-choose-cta-wrap {
    margin-top: 2rem;
    text-align: center;
}

.hero-main {
    width: 100%;
}

.hero-left {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 0;
}

.profile-section {
    text-align: center;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-accent);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.hero-profile {
    width: 180px;
    height: 180px;
    border: 5px solid var(--color-accent);
    box-shadow: 0 10px 30px rgba(74, 123, 200, 0.25), 0 0 0 8px rgba(74, 123, 200, 0.1);
    transition: transform 0.3s ease;
}

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

.hero-title {
    line-height: 1.3;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.social-link:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-accent);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.2);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.hero-right {
    text-align: left;
}

.price-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c3e50 100%);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15), 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.price-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2), 0 3px 8px rgba(0, 0, 0, 0.15);
}

.price-badge .separator {
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
    margin: 0 var(--spacing-xs);
}

.hero-contact-email {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.contact-label-hero {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 600;
}

.email-link-hero {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
}

.email-link-hero:hover {
    color: var(--color-primary);
    background-color: rgba(74, 123, 200, 0.1);
}

.headline {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.bio-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(74, 123, 200, 0.08) 0%, rgba(74, 123, 200, 0.03) 100%);
    border-left: 4px solid var(--color-accent);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.bio-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(74, 123, 200, 0.2);
}

.bio-text {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0 0 var(--spacing-md) 0;
}

.bio-text:last-child {
    margin-bottom: 0;
}

.bio-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Separador de secciones */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e0e0e0, transparent);
    margin: 0;
}

/* Sections */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

section:nth-child(even) {
    background-color: var(--color-bg-light);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Experiencia */
.experience {
    /* background-color ya aplicado por nth-child(even) */
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.experience-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.experience-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.experience-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(74, 123, 200, 0.2);
    border-color: var(--color-accent);
}

.experience-item:hover::before {
    width: 100%;
    opacity: 0.05;
}

.experience-item.highlight {
    background: linear-gradient(135deg, rgba(74, 123, 200, 0.05) 0%, rgba(74, 123, 200, 0.02) 100%);
    border-color: var(--color-accent);
}

.experience-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6b9de8 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.3);
    flex-shrink: 0;
}

.experience-item h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
    z-index: 1;
    position: relative;
}

.experience-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    z-index: 1;
    position: relative;
    margin: 0;
}

/* Servicios */
.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-item {
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-accent);
    background-color: var(--color-bg-light);
    border-radius: 4px;
}

.service-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.service-item p {
    color: var(--color-text-light);
}

/* Benefits section (Qué recibes) */
.benefits {
    background-color: var(--color-bg-light);
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6b9de8 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(74, 123, 200, 0.4);
}

.cta-button:active {
    transform: translateY(0);
}

/* Audiencia */
.audience {
    /* background-color ya aplicado por nth-child(even) */
}

.audience-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.audience-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.audience-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(74, 123, 200, 0.15);
}

.audience-item.highlight-audience {
    background: linear-gradient(135deg, rgba(74, 123, 200, 0.1) 0%, rgba(74, 123, 200, 0.05) 100%);
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(74, 123, 200, 0.2);
}

.audience-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.audience-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* Artículos */
.articles {
    background-color: var(--color-bg-light);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.article-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(74, 123, 200, 0.2);
    border-color: var(--color-accent);
}

.article-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    position: relative;
    overflow: hidden;
}

.article-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #6b9de8);
}

.article-badge {
    display: inline-block;
    background: var(--color-accent);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card.featured .article-badge {
    background: var(--color-primary);
}

.article-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.article-description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    font-size: 1rem;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid #e0e0e0;
}

.article-institution,
.article-year {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.article-institution::after {
    content: '•';
    margin-left: var(--spacing-sm);
    color: var(--color-accent);
}

.article-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: gap 0.3s ease, color 0.3s ease;
    margin-top: auto;
}

.article-link:hover {
    gap: var(--spacing-sm);
    color: var(--color-primary);
}

.article-link svg {
    transition: transform 0.3s ease;
}

.article-link:hover svg {
    transform: translate(3px, -3px);
}

/* FAQ */
.faq {
    background-color: var(--color-bg-light);
}

.faq-list-simple {
    max-width: 850px;
    margin: 0 auto;
}

.faq-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 2.5rem 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-accent);
}

.faq-category-title:first-child {
    margin-top: 0;
}

.faq-detail {
    background: white;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

.faq-detail:hover {
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(74, 123, 200, 0.1);
}

.faq-detail[open] {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.15);
}

.faq-summary {
    padding: 1.25rem 1.75rem;
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: all 0.2s ease;
    position: relative;
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary::marker {
    display: none;
}

.faq-summary::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.faq-detail[open] .faq-summary::before,
.faq-summary:hover::before {
    opacity: 1;
}

.faq-summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 300;
    transition: transform 0.3s ease, color 0.2s ease, background 0.2s ease;
    flex-shrink: 0;
    margin-left: 1rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 123, 200, 0.1);
    border-radius: 50%;
    line-height: 1;
}

.faq-detail[open] .faq-summary::after {
    content: '−';
    background: var(--color-accent);
    color: white;
    transform: rotate(0deg);
}

.faq-summary:hover {
    background-color: rgba(74, 123, 200, 0.03);
    color: var(--color-accent);
}

.faq-detail[open] .faq-summary {
    background-color: rgba(74, 123, 200, 0.05);
    border-bottom: 1px solid #e5e7eb;
    color: var(--color-primary);
}

.faq-answer-simple {
    padding: 0 1.75rem 1.5rem 1.75rem;
    color: var(--color-text);
    line-height: 1.75;
    font-size: 0.95rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer-simple p {
    margin: 0 0 1rem 0;
}

.faq-answer-simple p:last-child {
    margin-bottom: 0;
}

.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-accordion-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.faq-accordion-item:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(74, 123, 200, 0.15);
}

.faq-accordion-header {
    width: 100%;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-main);
    transition: background-color 0.3s ease;
    position: relative;
    z-index: 1;
}

.faq-accordion-header:hover {
    background-color: rgba(74, 123, 200, 0.05);
}

.faq-accordion-header[aria-expanded="true"] {
    background-color: rgba(74, 123, 200, 0.08);
}

.faq-accordion-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    flex: 1;
}

.faq-accordion-icon {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-accordion-header[aria-expanded="true"] .faq-accordion-icon {
    transform: rotate(180deg);
}

.faq-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0;
    padding-bottom: 0;
}

.faq-accordion-item.active .faq-accordion-content {
    padding-top: 0.75rem;
    padding-bottom: 1.25rem;
}

.faq-accordion-body {
    padding-top: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.8;
}

.faq-intro {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.faq-list-detailed {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.faq-list-detailed li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text);
    line-height: 1.7;
    font-size: 1rem;
}

.faq-list-detailed li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(74, 123, 200, 0.1);
    border-radius: 50%;
}

.faq-list-detailed li strong {
    color: var(--color-primary);
    font-weight: 600;
}

.pricing-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(74, 123, 200, 0.05) 0%, rgba(74, 123, 200, 0.02) 100%);
    border-radius: 12px;
    border: 2px solid rgba(74, 123, 200, 0.2);
}

.pricing-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.pricing-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.pricing-amount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* Por qué elegirme */
.why-choose {
    background-color: var(--color-bg-light);
}

.why-choose-content {
    max-width: 900px;
    margin: 0 auto;
}

.why-choose-intro {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-style: italic;
}

.why-choose-description {
    font-size: 1.05rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.why-choose-list {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 0 auto;
}

.why-choose-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.7;
}

.why-choose-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Cómo funciona */
.how-it-works {
    background-color: white;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.process-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.hero-note {
    margin: -1rem 0 var(--spacing-md) 0;
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6b9de8 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.3);
}

.process-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.process-step strong {
    color: var(--color-primary);
    font-weight: 600;
}

.process-note {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    background: rgba(74, 123, 200, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
}

.process-note p {
    color: var(--color-text);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

.process-note strong {
    color: var(--color-primary);
}

/* Formulario */
.contact {
    /* background-color ya aplicado por nth-child(even) */
}

.contact-direct {
    max-width: 700px;
    margin: 0 auto;
}

.contact-email-box {
    text-align: center;
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
    border: 3px solid var(--color-accent);
}

.contact-label {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.contact-email {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.3s ease;
    padding: var(--spacing-sm);
    border-radius: 8px;
}

.contact-email:hover {
    color: var(--color-primary);
    background-color: rgba(74, 123, 200, 0.1);
    transform: scale(1.05);
}

.contact-instructions {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.contact-instructions h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.contact-checklist {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.contact-checklist li {
    padding: var(--spacing-sm) 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text);
    font-size: 1rem;
}

.contact-checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.2rem;
}

.contact-note {
    padding: var(--spacing-md);
    background-color: rgba(74, 123, 200, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: 6px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 123, 200, 0.1);
}

.form-group select {
    cursor: pointer;
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
}

.checkbox-group {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(74, 123, 200, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(74, 123, 200, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span {
    flex: 1;
}

.form-submit-section {
    margin-top: var(--spacing-md);
}

.email-client-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-email-client {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main);
    flex: 1;
    min-width: 180px;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn-email-client::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
}

.btn-email-client-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.btn-gmail-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: white;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.06);
}

.btn-gmail-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.btn-email-client svg {
    flex-shrink: 0;
}

.btn-email-client.gmail {
    color: #1a1a2e;
}

.btn-email-client.gmail::before {
    background: linear-gradient(180deg, #f5f5f5 0%, #ebebeb 100%);
    border: 1px solid #e0e0e0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn-email-client.gmail::after {
    content: none;
}

.btn-email-client.other::before {
    background: 
        linear-gradient(135deg, rgba(26, 26, 46, 0.96) 0%, rgba(20, 30, 48, 0.96) 50%, rgba(15, 25, 42, 0.96) 100%),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: cover, 24px 24px, 24px 24px;
    background-position: 0 0, 0 0, 0 0;
}

.btn-email-client.gmail:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.btn-email-client.gmail:hover::before {
    background: linear-gradient(180deg, #eeeeee 0%, #e0e0e0 100%);
    border-color: #d0d0d0;
}

.btn-email-client.other:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(74, 123, 200, 0.35);
}

.btn-email-client.other:hover::before {
    background: 
        linear-gradient(135deg, rgba(26, 26, 46, 0.98) 0%, rgba(20, 30, 48, 0.98) 50%, rgba(15, 25, 42, 0.98) 100%),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: cover, 24px 24px, 24px 24px;
    background-position: 0 0, 0 0, 0 0;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: 4px;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

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

.footer-links a:hover {
    opacity: 0.8;
}

.footer-legal {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 1001;
    width: 48px;
    height: 48px;
    padding: 12px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6b9de8 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    box-shadow: 0 4px 12px rgba(74, 123, 200, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.mobile-menu-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(74, 123, 200, 0.4);
}

.mobile-menu-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 123, 200, 0.4);
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: white;
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-btn.mobile-open .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.mobile-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.mobile-open .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.visible {
    opacity: 1;
}

/* Responsive */
@media (max-width: 1200px) {
    body {
        padding-left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-menu-overlay.visible {
        pointer-events: auto;
    }

    .sidebar-nav {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 4px 0 30px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .sidebar-nav.mobile-open {
        transform: translateX(0);
    }
}

@media (max-width: 968px) {
    .hero-layout {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .hero-photo-section {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-main-content {
        align-items: center;
    }

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

    .profile-image {
        width: 150px;
        height: 150px;
    }

    .hero-social {
        flex-direction: row;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .price-badge {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .price-badge .separator {
        display: none;
    }

    .hero-contact-email {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }

    .email-link-hero {
        font-size: 1rem;
        word-break: break-all;
    }

    .experience-grid,
    .services-list,
    .audience-list,
    .articles-grid,
    .pricing-highlight {
        grid-template-columns: 1fr;
    }
    
    .email-client-buttons {
        flex-direction: column;
    }
    
    .btn-email-client {
        width: 100%;
        min-width: auto;
    }

    .faq-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .faq-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto;
    }

    .bio-section {
        margin-top: var(--spacing-md);
    }

    .contact-form {
        padding: var(--spacing-md);
    }

    .profile-image {
        width: 120px;
        height: 120px;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Animación suave de secciones (sin flash inicial) */
.section-animate {
    transform: translateY(10px);
    transition: transform 0.45s ease;
}

.section-animate.section-visible {
    transform: translateY(0);
}