:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --gray-lighter: #e2e8f0;
    --white: #ffffff;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --bg-dark: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--dark);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-lighter);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--gray);
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links a {
        width: 100%;
        padding: 1rem 0;
        border-bottom: 1px solid var(--gray-lighter);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-bullets {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.bullet-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    font-weight: 500;
    font-size: 0.95rem;
}

.bullet-icon {
    font-size: 1.25rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-header {
    background: var(--dark);
    padding: 1rem;
    display: flex;
    align-items: center;
}

.card-dots {
    display: flex;
    gap: 0.5rem;
}

.card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
}

.card-dots span:nth-child(1) { background: #ef4444; }
.card-dots span:nth-child(2) { background: #f59e0b; }
.card-dots span:nth-child(3) { background: #10b981; }

.card-content {
    padding: 1.5rem;
}

.chat-message {
    margin-bottom: 1rem;
    display: flex;
    gap: 0.75rem;
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.user p {
    background: var(--primary);
    color: var(--white);
    padding: 0.75rem 1rem;
    border-radius: 12px 12px 0 12px;
    max-width: 80%;
}

.chat-message.ai {
    justify-content: flex-start;
}

.ai-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--white);
    box-shadow: var(--shadow-sm);
}

.chat-message.ai p {
    background: var(--bg-alt);
    color: var(--dark);
    padding: 0.75rem 1rem;
    border-radius: 12px 12px 12px 0;
    max-width: 85%;
    line-height: 1.5;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

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

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    line-height: 1.6;
}

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* Preguntas Section */
.preguntas {
    background: var(--bg-alt);
}

.preguntas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.pregunta-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.pregunta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pregunta-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pregunta-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.pregunta-card p {
    color: var(--gray);
    line-height: 1.6;
}

/* Qué hace Section */
.que-hace-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
}

.feature-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-item p {
    color: var(--gray);
}

.que-hace-visual {
    position: relative;
}

.visual-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.visual-header {
    background: var(--dark);
    padding: 1rem;
}

.visual-badge {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
}

.visual-content {
    padding: 2rem;
}

.metric {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-lighter);
}

.metric:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.metric-change {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.metric-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.metric-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.metric-change.neutral {
    background: rgba(100, 116, 139, 0.1);
    color: var(--gray);
}

/* Más que números */
.mas-que-numeros {
    background: var(--bg-alt);
}

.ejemplos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.ejemplo-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.ejemplo-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.ejemplo-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.ejemplo-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.ejemplo-item p {
    color: var(--gray);
}

/* Cómo funciona */
.pasos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.paso-item {
    text-align: center;
    padding: 2rem;
}

.paso-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.paso-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.paso-item p {
    color: var(--gray);
    line-height: 1.6;
}

/* WhatsApp Integration */
.whatsapp-integration {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.whatsapp-integration::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.whatsapp-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.whatsapp-visual {
    position: relative;
}

.whatsapp-mockup {
    background: var(--white);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 3px rgba(255, 255, 255, 0.2);
    overflow: hidden;
    max-width: 350px;
}

.whatsapp-header {
    background: #075e54;
    padding: 1rem;
    display: flex;
    align-items: center;
}

.whatsapp-contact {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.whatsapp-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.whatsapp-name {
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.whatsapp-status {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
}

.whatsapp-messages {
    padding: 1rem;
    background: #ece5dd;
    min-height: 200px;
}

.whatsapp-message {
    margin-bottom: 0.75rem;
    display: flex;
}

.whatsapp-message.user-msg {
    justify-content: flex-end;
}

.whatsapp-message.user-msg p {
    background: #dcf8c6;
    color: var(--dark);
    padding: 0.5rem 0.75rem;
    border-radius: 8px 8px 0 8px;
    max-width: 80%;
    font-size: 0.875rem;
}

.whatsapp-message.bot-msg {
    justify-content: flex-start;
}

.whatsapp-message.bot-msg p {
    background: var(--white);
    color: var(--dark);
    padding: 0.5rem 0.75rem;
    border-radius: 8px 8px 8px 0;
    max-width: 85%;
    font-size: 0.875rem;
}

.whatsapp-text .section-title {
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.whatsapp-text .lead-text {
    color: var(--white);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.whatsapp-text .section-badge {
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.whatsapp-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.whatsapp-benefits li {
    color: var(--white);
    font-size: 1.125rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ERP Integration */
.erp-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.erp-features {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.erp-feature h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.erp-feature p {
    color: var(--gray);
}

.erp-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 16px;
}

.diagram-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.diagram-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.diagram-item span {
    font-weight: 600;
    color: var(--dark);
    font-size: 0.875rem;
}

.diagram-arrow {
    font-size: 2rem;
    color: var(--primary);
    font-weight: 700;
}

/* Planes */
.planes {
    background: var(--bg-alt);
}

.planes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.plan-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.plan-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.plan-header {
    margin-bottom: 2rem;
    position: relative;
}

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.plan-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.plan-badge.premium {
    background: var(--gradient-primary);
}

.plan-features {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.plan-feature {
    color: var(--dark);
    font-weight: 500;
}

.planes-cta {
    text-align: center;
    margin-top: 3rem;
}

.planes-message {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

/* CTA Final */
.cta-final {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-final::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta-final .btn-primary:hover {
    background: var(--bg-alt);
}

.cta-final .btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.cta-final .btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--bg-alt);
    color: var(--dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--gray-lighter);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo-img {
    height: 40px;
}

.footer-pymecloud {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 4px;
}

.pymecloud-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
}

.footer-brand .logo-text {
    color: var(--dark);
    -webkit-text-fill-color: var(--dark);
}

.footer-brand .logo-subtitle {
    color: var(--gray);
    font-size: 0.75rem;
}

.footer-tagline {
    margin-top: 1rem;
    color: var(--gray-light);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-social {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-social h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.social-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg);
    color: var(--gray);
    transition: all 0.3s;
    text-decoration: none;
}

.social-link:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.footer-column a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-lighter);
    color: var(--gray);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-bottom-content p {
    margin: 0;
    flex: 1;
    min-width: 200px;
}

.footer-developer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.developer-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.prompt-logo {
    height: 28px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.2s;
}

.prompt-logo:hover {
    opacity: 0.8;
}

.footer-tagline {
    color: var(--gray);
}

/* WhatsApp CTA Button */
.whatsapp-cta {
    margin-top: 2rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #25D366;
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp svg {
    flex-shrink: 0;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #20BA5A;
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6);
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container,
    .que-hace-content,
    .whatsapp-content,
    .erp-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .plan-card.featured {
        transform: scale(1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-social {
        grid-column: 1 / -1;
        margin-top: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .preguntas-grid,
    .ejemplos-grid,
    .pasos-grid {
        grid-template-columns: 1fr;
    }
    
    .planes-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-social {
        grid-column: 1;
    }
    
    .erp-diagram {
        flex-direction: column;
    }
    
    .diagram-arrow {
        transform: rotate(90deg);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-developer {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-bullets {
        flex-direction: column;
    }
    
    .bullet-item {
        width: 100%;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .pregunta-card,
    .ejemplo-item,
    .plan-card {
        padding: 1.5rem;
    }
    
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    .btn-whatsapp {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
}