/* ============================================
   FICHAR ONLINE - SISTEMA DE CONTROL HORARIO
   Archivo CSS único optimizado para rendimiento
   ============================================ */

/* ===== VARIABLES CSS ===== */
:root {
    /* Colores principales */
    --color-primary: #0071E3;
    --color-primary-dark: #0058B3;
    --color-primary-light: #2997FF;
    --color-secondary: #10B981;
    --color-accent: #FF6B2C;
    --color-gradient-start: #2997FF;
    --color-gradient-end: #0071E3;

    /* Colores neutros */
    --color-text: #1D1D1F;
    --color-text-light: #86868B;
    --color-text-lighter: #9CA3AF;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F5F7;
    --color-bg-dark: #F3F4F6;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;

    /* Tipografía */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;

    /* Tamaños de fuente */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transiciones */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;

    /* Ancho máximo del contenedor */
    --container-width: 1200px;
}

/* ===== RESET CSS MODERNO ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.022em;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ===== UTILIDADES ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-4xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.08) 0%, rgba(41, 151, 255, 0.12) 100%);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== HEADER & NAVEGACIÓN ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
}

.nav-logo svg {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-link {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: transform var(--transition-base);
}

/* ===== BOTONES ===== */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-radius: 980px;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-dark);
    border-color: var(--color-text-lighter);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

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

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: var(--text-lg);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: calc(72px + var(--spacing-4xl));
    padding-bottom: var(--spacing-4xl);
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gradient-start) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.hero-note {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.hero-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    display: none; /* Deprecated */
}

.hero-img-rounded {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    object-fit: cover;
    aspect-ratio: 3/2;
}

.hero-illustration {
    width: 100%;
    height: auto;
    display: none; /* Deprecated */
}

/* ===== CARACTERÍSTICAS ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.12), 0 4px 8px -2px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.feature-icon {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--text-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== FEATURES DETAIL (Página Funcionalidades) ===== */
.features-detail {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.feature-detail {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.feature-detail-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-detail-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.feature-detail-description {
    font-size: var(--text-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.feature-detail-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-detail-list li {
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: var(--text-sm);
    color: var(--color-text);
}

.feature-detail-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* ===== FEATURE HIGHLIGHT ===== */
.feature-highlight {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    padding: var(--spacing-3xl);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.feature-highlight-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-secondary), #059669);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-highlight-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.feature-highlight-description {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.feature-highlight-list li {
    font-size: var(--text-base);
    line-height: 1.7;
}

/* ===== MOCKUP TABLET ===== */
.mockup-tablet {
    background: #1D1D1F;
    border-radius: 24px;
    padding: 14px;
    box-shadow: 0 20px 60px -12px rgba(0,0,0,.25);
}
.mockup-screen {
    background-color: #fff;
    border-radius: 14px;
    overflow: hidden;
    min-height: 320px;
}

.demo-1click {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
}

.demo-1click-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text);
}

.demo-1click-code {
    font-size: var(--text-4xl);
    letter-spacing: 0.5em;
    color: var(--color-primary);
}

.demo-1click-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.demo-1click-keypad button {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background-color: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    font-size: var(--text-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.demo-1click-keypad button:hover {
    background-color: var(--color-primary);
    color: white;
}

/* ===== CÓMO FUNCIONA (STEPS) ===== */
.steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-size: var(--text-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.step-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: var(--text-base);
    color: var(--color-text-light);
}

.step-connector {
    width: 60px;
    height: 2px;
    background-color: var(--color-border);
    margin-top: 30px;
}

/* ===== BENEFICIOS ===== */
.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.benefits-intro {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

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

.benefit-icon {
    flex-shrink: 0;
}

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

.benefits-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.benefits-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.stat-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-number {
    font-size: var(--text-5xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--text-base);
    color: var(--color-text-light);
}

/* ===== TESTIMONIOS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.testimonial-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

.testimonial-stars {
    color: var(--color-accent);
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-lg);
}

.testimonial-text {
    font-size: var(--text-base);
    font-style: italic;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author strong {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.testimonial-author span {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* ===== PRICING ===== */
.pricing-toggle {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--color-bg-dark);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs);
}

.toggle-option {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-option.active {
    background-color: var(--color-primary);
    color: white;
}

.toggle-badge {
    display: inline-block;
    background-color: var(--color-secondary);
    color: white;
    font-size: var(--text-xs);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-xs);
}

.toggle-input {
    display: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.pricing-card {
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.pricing-featured {
    border-color: var(--color-primary);
    position: relative;
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-full);
}

.pricing-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.pricing-description {
    font-size: var(--text-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.price-amount {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-text);
}

.price-currency {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.price-period {
    font-size: var(--text-base);
    color: var(--color-text-light);
}

.pricing-billing {
    font-size: var(--text-sm);
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-2xl);
    min-height: 20px;
}

.pricing-features {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
}

.feature-included {
    color: var(--color-text);
}

.feature-excluded {
    color: var(--color-text-lighter);
}

/* ===== COMPARISON TABLE ===== */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: var(--spacing-2xl);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
    background-color: var(--color-bg-dark);
    font-weight: 600;
    color: var(--color-text);
}

.comparison-table td {
    color: var(--color-text-light);
}

.comparison-table tbody tr:hover {
    background-color: var(--color-bg-alt);
}

/* ===== FAQ ===== */
.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.faq-item {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.faq-question {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, #1D1D1F 0%, #2D2D30 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
}

.cta-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.cta-description {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.cta-form {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-top: var(--spacing-lg);
}

/* ===== FORMULARIOS ===== */
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.cta-form .form-input {
    background-color: white;
}

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

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.form-checkbox span {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.form-note {
    font-size: var(--text-xs);
    color: var(--color-text-lighter);
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== CONTACTO ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.contact-info-text {
    font-size: var(--text-base);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
}

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

.contact-method {
    display: flex;
    gap: var(--spacing-lg);
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-method-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.contact-method-detail {
    font-size: var(--text-base);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-method-note {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.contact-form-wrapper {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.alert {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

.alert-success {
    background-color: #ECFDF5;
    color: #047857;
    border: 1px solid #10B981;
}

.alert-error {
    background-color: #FEF2F2;
    color: #B91C1C;
    border: 1px solid #EF4444;
}

/* ===== PÁGINAS LEGALES ===== */
.page-hero {
    padding-top: calc(72px + var(--spacing-3xl));
    padding-bottom: var(--spacing-3xl);
    text-align: center;
    background-color: var(--color-bg-alt);
}

.page-title {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.page-description {
    font-size: var(--text-xl);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

.page-meta {
    font-size: var(--text-base);
    color: var(--color-text-lighter);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.legal-content h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.legal-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    color: var(--color-text-light);
}

.legal-content ul {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.legal-content ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    line-height: 1.8;
}

.legal-content a {
    color: var(--color-primary);
    text-decoration: underline;
}

.legal-content a:hover {
    color: var(--color-primary-dark);
}

.cookies-table {
    width: 100%;
    margin: var(--spacing-xl) 0;
    border-collapse: collapse;
}

.cookies-table th,
.cookies-table td {
    padding: var(--spacing-md);
    text-align: left;
    border: 1px solid var(--color-border);
}

.cookies-table th {
    background-color: var(--color-bg-dark);
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    margin-top: var(--spacing-4xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.footer-logo svg {
    color: var(--color-primary);
}

.footer-description {
    font-size: var(--text-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

.footer-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

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

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--color-text-lighter);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-content,
    .benefits-content,
    .feature-highlight,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

    .step-connector {
        display: none;
    }

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

@media (max-width: 768px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-lg);
        width: 100%;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
    }

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

    .btn {
        width: 100%;
    }

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

    .cta-form {
        flex-direction: column;
    }

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

    .feature-detail {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: var(--text-sm);
    }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== UTILIDADES ADICIONALES ===== */
.content-section {
    margin-bottom: var(--spacing-3xl);
}

.content-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.content-intro {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== TABS DE FUNCIONALIDADES ===== */
.func-tabs {
    position: sticky;
    top: 72px;
    z-index: 90;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    transition: box-shadow .2s;
}

.func-tabs-list {
    display: flex;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.func-tabs-list::-webkit-scrollbar { display: none; }

.func-tab {
    flex: 1 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .9rem 1.25rem;
    font-size: .9rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-decoration: none;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: color .2s, border-color .2s, background-color .2s;
    cursor: pointer;
}

.func-tab:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.func-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.func-tab svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .func-tabs { top: 60px; }
    .func-tab {
        padding: .75rem 1rem;
        font-size: .8rem;
        gap: .35rem;
    }
    .func-tab svg { width: 16px; height: 16px; }
}

@media (max-width: 480px) {
    .func-tab span.func-tab-label { display: none; }
    .func-tab { padding: .75rem .9rem; }
}

/* ===== ACCESIBILIDAD ===== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.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;
}

/* ===== FUNCIONALIDADES — FILAS ALTERNADAS ===== */
.feat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 3.5rem 0;
}
.feat-row.reverse { direction: rtl; }
.feat-row.reverse > * { direction: ltr; }

.feat-text h3 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}
.feat-text p {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}
.feat-text ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.feat-text ul li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--color-text-light);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.feat-text ul li::before {
    content: '✓';
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 1em;
    flex-shrink: 0;
}

.feat-visual {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow:
        0 4px 6px -1px rgba(0,0,0,.04),
        0 20px 50px -12px rgba(0,0,0,.12);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}
.feat-visual:hover {
    transform: translateY(-4px);
    box-shadow:
        0 4px 6px -1px rgba(0,0,0,.04),
        0 30px 60px -15px rgba(0,0,0,.18);
}

.feat-divider {
    border: none;
    border-top: 1px solid var(--color-border-light);
    margin: 0;
}

@media (max-width: 768px) {
    .feat-row,
    .feat-row.reverse {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
        padding: 2rem 0;
    }
    .feat-row.reverse > * { direction: ltr; }
    .feat-text h3 { font-size: 1.4rem; }
}

/* ===== MOCKUPS DE DISPOSITIVOS ===== */
.mockup-browser {
    background: #fff;
    border-radius: 14px;
    box-shadow:
        0 0 0 1px rgba(0,0,0,.06),
        0 25px 70px -12px rgba(0,0,0,.18);
    overflow: hidden;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}
.mockup-browser:hover {
    transform: translateY(-4px);
    box-shadow:
        0 0 0 1px rgba(0,0,0,.06),
        0 35px 80px -15px rgba(0,0,0,.22);
}
.mockup-browser-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: #F5F5F7;
    border-bottom: 1px solid #E5E5E5;
}
.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}
.mockup-url {
    flex: 1;
    text-align: center;
    font-size: 12px;
    color: #86868B;
    background: #fff;
    border-radius: 6px;
    padding: 4px 12px;
    margin-left: 8px;
}
.mockup-browser-content {
    overflow: hidden;
    border-radius: 0 0 12px 12px;
}

.mockup-phone {
    width: 280px;
    background: #1D1D1F;
    border-radius: 40px;
    padding: 14px;
    box-shadow:
        0 0 0 1px rgba(255,255,255,.08) inset,
        0 25px 70px -12px rgba(0,0,0,.3);
    margin: 0 auto;
    position: relative;
}
.mockup-phone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 45%;
    height: 3px;
    background: rgba(255,255,255,.1);
    border-radius: 0 0 4px 4px;
}
.mockup-phone-screen {
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    min-height: 480px;
}
.mockup-phone-notch {
    width: 100px;
    height: 26px;
    background: #1D1D1F;
    border-radius: 0 0 18px 18px;
    margin: 0 auto;
    position: relative;
}
.mockup-phone-notch::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2C2C2E;
}

@media (max-width: 768px) {
    .mockup-browser { display: none; }
    .mockup-phone { width: 220px; }
    .mockup-phone-screen { min-height: 380px; }
}

/* ===== PÁGINA DE PRECIOS ===== */
.calc-wrap { max-width: 720px; margin: 0 auto; }
.calc-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}
.pricing-mode-tabs {
    display: flex;
    background: var(--color-bg-alt);
    border-radius: var(--radius-full);
    padding: 4px;
    margin-bottom: var(--spacing-xl);
    gap: 4px;
}
.pricing-mode-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: none;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: inherit;
}
.pricing-mode-tab.active {
    background: var(--color-bg);
    color: var(--color-text);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.pricing-mode-pane { display: none; }
.pricing-mode-pane.active { display: block; }

.billing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}
.billing-opt {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition-base);
}
.billing-opt.active { color: var(--color-text); font-weight: 600; }
.billing-badge {
    background: linear-gradient(135deg, var(--color-secondary), #34D399);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    margin-left: 4px;
}
.billing-switch {
    position: relative;
    width: 50px;
    height: 28px;
    cursor: pointer;
}
.billing-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.sw-track {
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: var(--color-border);
    transition: background var(--transition-base);
}
.billing-switch input:checked + .sw-track { background: var(--color-secondary); }
.sw-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,.15);
    transition: transform var(--transition-base);
}
.billing-switch input:checked ~ .sw-thumb { transform: translateX(22px); }

.calc-slider-row { margin-bottom: var(--spacing-lg); }
.calc-slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--color-text-light);
}
.calc-num-input {
    width: 64px;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 6px;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    font-family: inherit;
}
.calc-range {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
}
.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,113,227,.3);
}
.calc-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--color-text-lighter);
    margin-top: 4px;
}
.calc-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-xl) 0;
}
.calc-totals { text-align: center; }
.calc-total-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}
.calc-total-big {
    font-size: var(--text-5xl);
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.04em;
    line-height: 1;
}
.calc-total-big .currency { font-size: var(--text-2xl); font-weight: 600; }
.calc-total-big .period { font-size: var(--text-base); font-weight: 400; color: var(--color-text-light); }
.calc-total-avg {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

/* FAQ */
.faq-section { max-width: 720px; margin: 0 auto; }
.faq-grid { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.faq-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    background: none;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}
.faq-question::after { content: '+'; font-size: 1.5em; color: var(--color-text-light); transition: transform var(--transition-base); }
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer p {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Feature description grid (precios) */
.fd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}
.fd-note {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-lg);
}

@media (max-width: 640px) {
    .calc-card { padding: var(--spacing-lg); }
    .calc-total-big { font-size: var(--text-4xl); }
    .pricing-mode-tabs { flex-direction: column; }
}

/* ===== OPTIMIZACIÓN DE RENDIMIENTO ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}