:root {
    --primary: #2563EB;
    --dark-blue: #0F172A;
    --secondary-blue: #1D4ED8;
    --cyan: #06B6D4;
    --white: #FFFFFF;
    --light-gray: #F1F5F9;
    --text-secondary: #64748B;
    --font-main: 'Inter', sans-serif;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--dark-blue); line-height: 1.6; background-color: var(--white); }

.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.section { padding: 80px 0; }
.bg-light { background-color: var(--light-gray); }
.bg-dark { background-color: var(--dark-blue); }
.text-white { color: var(--white); }
.text-gray { color: #94A3B8; }

/* Typography */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
.section-title { font-size: 2rem; text-align: center; margin-bottom: 1rem; color: var(--dark-blue); }
.section-desc { text-align: center; color: var(--text-secondary); max-width: 700px; margin: 0 auto 3rem; font-size: 1.1rem; }

/* Buttons */
.btn { display: inline-block; padding: 14px 28px; border-radius: 8px; text-decoration: none; font-weight: 600; text-align: center; transition: all 0.3s ease; border: 2px solid transparent; cursor: pointer; font-size: 1rem; }
.btn-primary { background-color: var(--primary); color: var(--white); }
.btn-primary:hover { background-color: var(--secondary-blue); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background-color: var(--primary); color: var(--white); }
.btn-outline-light { border-color: var(--white); color: var(--white); }
.btn-outline-light:hover { background-color: var(--white); color: var(--dark-blue); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; margin-top: 15px; }
.btn-large { width: 100%; max-width: 400px; font-size: 1.1rem; }

/* Header */
.header { position: fixed; top: 0; width: 100%; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { font-size: 1.5rem; font-weight: 800; text-decoration: none; color: var(--dark-blue); }
.logo-pwa { color: var(--primary); }
.logo-site { color: var(--cyan); }

.nav-menu ul { display: none; list-style: none; gap: 30px; align-items: center; }
.nav-menu a { text-decoration: none; color: var(--dark-blue); font-weight: 500; transition: color 0.3s; }
.nav-menu a:hover { color: var(--primary); }
.mobile-menu-btn { display: block; background: none; border: none; font-size: 1.5rem; color: var(--dark-blue); cursor: pointer; }

/* Hero */
.hero { padding-top: 140px; padding-bottom: 80px; background: linear-gradient(135deg, #F8FAFC 0%, #E0F2FE 100%); }
.hero-container { display: flex; flex-direction: column; gap: 40px; align-items: center; }
.hero-content h1 { font-size: 2.2rem; color: var(--dark-blue); }
.hero-content .subtitle { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 1rem; }
.hero-content .complementary { font-weight: 600; color: var(--primary); margin-bottom: 2rem; }
.hero-buttons { display: flex; flex-direction: column; gap: 15px; }

/* Phone Mockup CSS */
.phone-mockup { width: 260px; height: 520px; background: var(--dark-blue); border-radius: 36px; border: 8px solid #334155; position: relative; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3); overflow: hidden; margin: 0 auto; }
.phone-notch { width: 120px; height: 25px; background: #334155; position: absolute; top: 0; left: 50%; transform: translateX(-50%); border-bottom-left-radius: 12px; border-bottom-right-radius: 12px; z-index: 2; }
.phone-screen { width: 100%; height: 100%; background: linear-gradient(135deg, var(--primary), var(--cyan)); border-radius: 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; padding: 20px; text-align: center; }
.install-badge { margin-top: 30px; background: rgba(255,255,255,0.2); padding: 10px 20px; border-radius: 20px; font-size: 0.9rem; backdrop-filter: blur(5px); }

/* Features & Benefits */
.features-grid, .benefits-grid, .services-grid { display: grid; grid-template-columns: 1fr; gap: 25px; margin-top: 40px; }
.feature-card, .benefit-card, .service-card { background: var(--white); padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); transition: transform 0.3s; text-align: center; }
.feature-card:hover, .benefit-card:hover, .service-card:hover { transform: translateY(-5px); }
.feature-card i, .benefit-card i, .service-card i { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }
.service-card ul { list-style: none; text-align: left; margin: 15px 0; color: var(--text-secondary); }
.service-card ul li { margin-bottom: 8px; padding-left: 20px; position: relative; }
.service-card ul li::before { content: "•"; color: var(--cyan); position: absolute; left: 0; font-weight: bold; }

/* Flow Diagram */
.flow-diagram { display: flex; flex-direction: column; align-items: center; gap: 20px; margin-top: 50px; }
.flow-step { background: var(--white); padding: 20px 30px; border-radius: var(--radius); box-shadow: var(--shadow); display: flex; align-items: center; gap: 15px; font-weight: 600; width: 100%; justify-content: center; }
.flow-step i { color: var(--primary); font-size: 1.5rem; }
.flow-step.highlight { background: var(--primary); color: var(--white); }
.flow-step.highlight i { color: var(--white); }
.flow-arrow { color: var(--text-secondary); font-size: 1.5rem; transform: rotate(90deg); }

/* Transform Section */
.transform-section { background: linear-gradient(to right, var(--dark-blue), #1E293B); color: var(--white); }
.transform-container { display: flex; flex-direction: column; gap: 40px; }
.check-list { list-style: none; margin: 20px 0 30px; }
.check-list li { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.check-list i { color: var(--cyan); }
.conversion-graphic { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.web-icon, .app-icon { width: 120px; height: 120px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; font-weight: 600; border: 2px solid var(--cyan); }
.web-icon i, .app-icon i { font-size: 2.5rem; color: var(--cyan); }
.conversion-arrow { font-size: 2rem; color: var(--white); animation: pulse 2s infinite; }

/* Timeline */
.timeline { position: relative; max-width: 800px; margin: 40px auto 0; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 4px; background: var(--primary); border-radius: 2px; }
.timeline-item { position: relative; padding-left: 60px; margin-bottom: 40px; }
.timeline-number { position: absolute; left: 0; top: 0; width: 44px; height: 44px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.2rem; border: 4px solid var(--white); box-shadow: var(--shadow); }

/* Differentials */
.differentials-grid { display: grid; grid-template-columns: 1fr; gap: 15px; max-width: 800px; margin: 0 auto 30px; }
.diff-item { display: flex; align-items: center; gap: 12px; font-weight: 500; background: var(--light-gray); padding: 15px; border-radius: 8px; }
.diff-item i { color: var(--primary); }
.closing-text { text-align: center; font-size: 1.2rem; font-weight: 600; color: var(--dark-blue); max-width: 800px; margin: 0 auto; }

/* Demo Gallery */
.demo-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; max-width: 600px; margin: 40px auto 0; }
.demo-phone { display: flex; flex-direction: column; align-items: center; }
.demo-screen { width: 100%; aspect-ratio: 9/16; background: linear-gradient(135deg, #e2e8f0, #cbd5e1); border-radius: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; border: 4px solid var(--dark-blue); }
.demo-screen i { font-size: 2rem; color: var(--dark-blue); }
.demo-screen.restaurant { background: linear-gradient(135deg, #FCA5A5, #F87171); color: white; }
.demo-screen.restaurant i { color: white; }
.demo-screen.commerce { background: linear-gradient(135deg, #93C5FD, #3B82F6); color: white; }
.demo-screen.commerce i { color: white; }
.demo-screen.services { background: linear-gradient(135deg, #86EFAC, #22C55E); color: white; }
.demo-screen.services i { color: white; }
.demo-screen.management { background: linear-gradient(135deg, #C4B5FD, #8B5CF6); color: white; }
.demo-screen.management i { color: white; }
.demo-label { margin-top: 10px; font-weight: 600; color: var(--text-secondary); font-size: 0.9rem; }

/* FAQ */
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #E2E8F0; }
.faq-question { width: 100%; text-align: left; padding: 20px 0; background: none; border: none; font-size: 1.1rem; font-weight: 600; color: var(--dark-blue); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question i { transition: transform 0.3s; color: var(--primary); }
.faq-question.active i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-answer p { padding-bottom: 20px; color: var(--text-secondary); }

/* Form */
.quote-form { max-width: 800px; margin: 0 auto; background: var(--white); padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-weight: 600; font-size: 0.9rem; color: var(--dark-blue); }
.form-group input, .form-group select, .form-group textarea { padding: 12px; border: 1px solid #CBD5E1; border-radius: 8px; font-family: var(--font-main); font-size: 1rem; transition: border-color 0.3s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
.honeypot { display: none !important; }
.form-submit { text-align: center; margin-top: 20px; }
.form-message { text-align: center; margin-top: 15px; font-weight: 600; }
.form-message.success { color: #10B981; }
.form-message.error { color: #EF4444; }

/* Final CTA */
.final-cta { background: linear-gradient(135deg, var(--primary), var(--secondary-blue)); color: var(--white); text-align: center; padding: 80px 0; }
.final-cta h2 { font-size: 2rem; margin-bottom: 1rem; }
.final-cta p { max-width: 700px; margin: 0 auto 30px; font-size: 1.1rem; opacity: 0.9; }
.cta-buttons { display: flex; flex-direction: column; gap: 15px; align-items: center; }

/* Footer */
.footer { background: var(--dark-blue); color: #94A3B8; padding: 60px 0 20px; }
.footer-container { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--white); margin-bottom: 15px; display: inline-block; }
.footer-links h4, .footer-legal h4 { color: var(--white); margin-bottom: 20px; font-size: 1.1rem; }
.footer-links ul, .footer-legal ul { list-style: none; }
.footer-links li, .footer-legal li { margin-bottom: 12px; }
.footer-links a, .footer-legal a { color: #94A3B8; text-decoration: none; transition: color 0.3s; }
.footer-links a:hover, .footer-legal a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid #334155; padding-top: 20px; text-align: center; font-size: 0.9rem; }

/* Floating Buttons */
.float-whatsapp { position: fixed; bottom: 25px; right: 25px; width: 60px; height: 60px; background: #25D366; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: 0 4px 12px rgba(0,0,0,0.3); z-index: 999; transition: transform 0.3s; text-decoration: none; }
.float-whatsapp:hover { transform: scale(1.1); }
.float-top { position: fixed; bottom: 25px; left: 25px; width: 50px; height: 50px; background: var(--dark-blue); color: white; border: none; border-radius: 50%; display: none; align-items: center; justify-content: center; font-size: 1.2rem; cursor: pointer; box-shadow: var(--shadow); z-index: 999; transition: background 0.3s; }
.float-top:hover { background: var(--primary); }

/* Animations */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Desktop Media Queries */
@media (min-width: 768px) {
    .mobile-menu-btn { display: none; }
    .nav-menu ul { display: flex; }
    .hero-container { flex-direction: row; justify-content: space-between; text-align: left; }
    .hero-content { flex: 1; padding-right: 40px; }
    .hero-content h1 { font-size: 3rem; }
    .hero-buttons { flex-direction: row; }
    .hero-visual { flex: 1; display: flex; justify-content: center; }
    
    .features-grid, .benefits-grid { grid-template-columns: repeat(3, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .differentials-grid { grid-template-columns: repeat(2, 1fr); }
    .demo-gallery { grid-template-columns: repeat(4, 1fr); }
    
    .flow-diagram { flex-direction: row; justify-content: center; }
    .flow-arrow { transform: rotate(0deg); }
    
    .transform-container { flex-direction: row; align-items: center; }
    .transform-content { flex: 1; }
    .transform-visual { flex: 1; display: flex; justify-content: center; }
    .conversion-graphic { flex-direction: row; }
    .conversion-arrow { transform: rotate(0deg); }
    
    .form-grid { grid-template-columns: repeat(2, 1fr); }
    .full-width { grid-column: 1 / -1; }
    
    .footer-container { grid-template-columns: 2fr 1fr 1fr; }
    .cta-buttons { flex-direction: row; justify-content: center; }
}

@media (min-width: 1024px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}