/* ========================================
   VARIABLES CSS - COLORES ROJO Y AZUL
   ======================================== */
:root {
    /* Colores principales - Alto contraste */
    --color-primary: #E53E3E;      /* Rojo vibrante */
    --color-primary-dark: #C53030; /* Rojo oscuro */
    --color-secondary: #3182CE;    /* Azul brillante */
    --color-secondary-dark: #2B6CB0; /* Azul oscuro */

    /* Colores neutros */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-50: #F7FAFC;
    --color-gray-100: #EDF2F7;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E0;
    --color-gray-600: #4A5568;
    --color-gray-700: #2D3748;
    --color-gray-800: #1A202C;

    /* Tipografía - MUY GRANDE para adultos mayores */
    --font-size-base: 20px;         /* Texto base muy grande */
    --font-size-lg: 24px;           /* Títulos grandes */
    --font-size-xl: 32px;           /* Títulos extra grandes */
    --font-size-2xl: 40px;          /* Títulos XL */
    --font-size-3xl: 48px;          /* Títulos XXL */
    --font-size-hero: 56px;         /* Hero title */

    /* Espaciado */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ========================================
   RESET Y BASE
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimización para pantallas táctiles */
@media (hover: none) and (pointer: coarse) {
    * {
        -webkit-tap-highlight-color: transparent;
    }
}

/* ========================================
   CONTENEDOR
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   NAVEGACIÓN
   ======================================== */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.brand-icon {
    font-size: 48px;
    line-height: 1;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 36px;
    height: 4px;
    background-color: var(--color-gray-700);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-700);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    padding: var(--spacing-2xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--color-primary);
    display: block;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-top: var(--spacing-xs);
}

/* Phone mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: var(--color-gray-800);
    border-radius: 48px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    background: var(--color-white);
    height: 100%;
    border-radius: 40px;
    overflow: hidden;
}

.app-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 700;
    text-align: center;
}

.app-content {
    padding: var(--spacing-md);
}

.product-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-secondary);
}

.product-icon {
    font-size: 40px;
    line-height: 1;
}

.product-info {
    flex: 1;
}

.product-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gray-800);
}

.product-stock {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

/* ========================================
   SECCIONES
   ======================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    text-align: center;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

/* ========================================
   CARACTERÍSTICAS
   ======================================== */
.features {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.feature-card:hover,
.feature-card:focus-within {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.feature-icon {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* ========================================
   BENEFICIOS
   ======================================== */
.benefits {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
}

.benefits .section-title,
.benefits .section-subtitle {
    color: var(--color-white);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    background: var(--color-white);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.benefit-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    opacity: 0.95;
}

/* ========================================
   ROADMAP
   ======================================== */
.roadmap {
    background-color: var(--color-gray-50);
}

.roadmap-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.roadmap-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.roadmap-quarter {
    flex-shrink: 0;
}

.quarter-badge {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
}

.roadmap-content {
    flex: 1;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.roadmap-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.roadmap-list {
    list-style: none;
}

.roadmap-list li {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    padding: var(--spacing-xs) 0;
}

.roadmap-cta {
    text-align: center;
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.roadmap-text {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   PRECIOS
   ======================================== */
.pricing {
    background-color: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.pricing-card {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 3px solid transparent;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-popular {
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
}

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

.pricing-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-currency {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-600);
}

.price-amount {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-secondary);
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.pricing-features li {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ========================================
   OPCIONES DE PAGO CON DESCUENTO
   ======================================== */
/* ========================================
   Annual Pricing
   ======================================== */
.annual-pricing {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 4px dashed var(--color-gray-200);
}

.annual-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.annual-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

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

.annual-card {
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 3px solid transparent;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.annual-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.annual-popular {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, #EBF8FF 0%, #BEE3F8 100%);
    box-shadow: var(--shadow-lg);
}

.annual-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    background: linear-gradient(135deg, #9F7AEA 0%, #805AD5 100%);
    color: var(--color-white);
    white-space: nowrap;
}

.annual-badge-popular {
    background: linear-gradient(135deg, #4299E1 0%, #3182CE 100%);
}

.annual-plan-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.annual-price {
    margin: var(--spacing-md) 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.annual-price .price-currency {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.annual-price .price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1;
}

.annual-price .price-period {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-left: var(--spacing-xs);
}

.annual-savings {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: #48BB78;
    margin: var(--spacing-sm) 0;
}

.annual-equivalent {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.payment-note {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.payment-note p {
    font-size: var(--font-size-base);
    line-height: 1.6;
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    background-color: var(--color-gray-50);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-wrap: nowrap;
    gap: var(--spacing-sm);
}

.faq-question:hover {
    background-color: var(--color-gray-50);
}

.faq-question span:first-child {
    flex: 1;
}

.faq-icon {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    line-height: 1;
}

.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);
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.8;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* ========================================
   CONTACTO
   ======================================== */
.contact {
    background-color: var(--color-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.contact-icon {
    font-size: 48px;
    line-height: 1;
}

.contact-item h4 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-800);
}

.form-input,
.form-textarea {
    font-size: var(--font-size-base);
    padding: var(--spacing-md);
    border: 3px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-gray-800);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-brand .brand-icon {
    font-size: 48px;
}

.footer-brand .brand-text {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-white);
}

.footer-tagline {
    font-size: var(--font-size-base);
    color: var(--color-gray-300);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-gray-300);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-700);
    font-size: var(--font-size-base);
    color: var(--color-gray-300);
}

/* ========================================
   SCROLL TOP BUTTON
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.1);
}

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

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-image {
        display: flex;
        justify-content: center;
    }

    /* Contacto */
    .contact-content {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Móvil (≤ 768px) */
@media (max-width: 768px) {
    /* Navbar */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        padding: var(--spacing-md);
        border-bottom: 2px solid var(--color-gray-100);
    }

    /* Fuentes más pequeñas */
    :root {
        --font-size-base: 18px;
        --font-size-lg: 22px;
        --font-size-xl: 28px;
        --font-size-2xl: 36px;
        --font-size-3xl: 42px;
        --font-size-hero: 48px;
    }

    /* Hero */
    .hero-title .highlight {
        display: inline;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .phone-mockup {
        width: 300px;
        height: 600px;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-icon {
        font-size: 64px;
    }

    /* Benefits */
    .benefits-list {
        gap: var(--spacing-md);
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .benefit-number {
        font-size: 64px;
        width: 100%;
        height: auto;
        min-height: 80px;
        margin: 0 auto var(--spacing-sm);
    }

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

    .benefit-description {
        text-align: center;
    }

    /* Roadmap */
    .roadmap-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .roadmap-quarter {
        text-align: center;
        width: 100%;
    }

    .quarter-badge {
        display: inline-block;
    }

    .roadmap-content {
        width: 100%;
        text-align: left;
    }

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

    .roadmap-list {
        text-align: left;
    }

    .roadmap-cta {
        padding: var(--spacing-md);
    }

    .roadmap-cta .btn {
        width: 100%;
    }

    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        margin: 0 var(--spacing-sm);
        text-align: center;
    }

    .pricing-header {
        text-align: center;
    }

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

    .pricing-price {
        text-align: center;
        justify-content: center;
    }

    .pricing-features {
        text-align: left;
    }

    .pricing-card .btn {
        width: 100%;
        text-align: center;
    }

    .pricing-price .price-amount {
        font-size: 40px;
    }

    /* Annual pricing */
    .annual-grid {
        grid-template-columns: 1fr;
    }

    .annual-title {
        font-size: var(--font-size-xl);
        text-align: center;
    }

    .annual-subtitle {
        text-align: center;
    }

    .annual-badge {
        font-size: 14px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .annual-card {
        margin: 0 var(--spacing-sm);
        text-align: center;
    }

    .annual-plan-name {
        text-align: center;
    }

    .annual-price {
        text-align: center;
        justify-content: center;
    }

    .annual-price .price-amount {
        font-size: 40px;
    }

    .annual-card .btn {
        width: 100%;
    }

    /* FAQ */
    .faq-list {
        gap: var(--spacing-sm);
    }

    .faq-question {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .faq-question span:first-child {
        flex: 1;
        min-width: 200px;
    }

    .faq-icon {
        font-size: var(--font-size-xl);
        flex-shrink: 0;
    }

    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-md);
        font-size: var(--font-size-base);
        line-height: 1.6;
    }

    /* Contacto */
    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .form-input,
    .form-textarea {
        font-size: 16px; /* Evita zoom en iOS */
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    /* Scroll top */
    .scroll-top {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-lg);
    }
}

/* Móvil pequeño (≤ 480px) */
@media (max-width: 480px) {
    /* Espaciado */
    section {
        padding: var(--spacing-xl) 0;
    }

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

    /* Phone mockup más pequeño */
    .phone-mockup {
        width: 260px;
        height: 520px;
    }

    /* Botones */
    .btn {
        padding: 14px 24px;
        font-size: var(--font-size-base);
    }

    /* Scroll top más pequeño */
    .scroll-top {
        width: 48px;
        height: 48px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        font-size: var(--font-size-base);
    }

    /* Stats en móvil */
    .stat-number {
        font-size: 36px;
    }

    /* Section titles */
    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }

    /* FAQ para móviles pequeños */
    .faq-question {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 16px;
    }

    .faq-icon {
        font-size: 20px;
    }

    .faq-answer p {
        padding: 0 var(--spacing-md) var(--spacing-md);
        font-size: 16px;
        line-height: 1.5;
    }

    /* Pricing para móviles pequeños */
    .pricing-card {
        padding: var(--spacing-md);
    }

    .pricing-price .price-amount {
        font-size: 32px;
    }

    .annual-card {
        padding: var(--spacing-md);
    }

    .annual-price .price-amount {
        font-size: 32px;
    }

    /* Roadmap para móviles pequeños */
    .roadmap-content {
        padding: var(--spacing-md);
    }

    .roadmap-title {
        font-size: var(--font-size-lg);
    }

    .roadmap-list li {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs) 0;
    }

    .quarter-badge {
        font-size: 14px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    /* Benefits para móviles pequeños */
    .benefit-number {
        font-size: 48px;
        min-height: 60px;
        width: 60px;
    }

    .benefit-title {
        font-size: var(--font-size-lg);
    }

    .benefit-description {
        font-size: var(--font-size-base);
    }
}

/* ========================================
   ANIMACIONES
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.pricing-card,
.faq-item,
.benefit-item {
    animation: fadeInUp 0.6s ease-out;
}

/* ========================================
   UTILIDADES PARA ACCESIBILIDAD
   ======================================== */
:focus-visible {
    outline: 4px solid var(--color-primary);
    outline-offset: 4px;
}

/* Aumentar área de toque en dispositivos móviles */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    button,
    a {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Prevenir zoom accidental en iOS */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    font-size: 16px;
}