/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #1E3A8A;
  --color-primary-light: #3B82F6;
  --color-primary-dark: #1E2A5E;
  --color-secondary: #F59E0B;
  --color-secondary-dark: #D97706;
  --color-background: #FFFFFF;
  --color-background-alt: #F8FAFC;
  --color-text: #1E293B;
  --color-text-light: #64748B;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-white: #FFFFFF;
  --color-danger: #EF4444;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-max: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

/* ===== Reset ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height)}
body{font-family:var(--font-family);color:var(--color-text);background:var(--color-background);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--color-primary-light)}
ul{list-style:none}
button{cursor:pointer;font-family:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}

/* ===== Focus ===== */
:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px;border-radius:4px}

/* ===== Container ===== */
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 24px}

/* ===== Typography ===== */
h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--color-text)}
h1{font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-0.02em}
h2{font-size:clamp(1.5rem,3vw,2.5rem);text-align:center;margin-bottom:16px}
h3{font-size:1.25rem}
.section-subtitle{text-align:center;color:var(--color-text-light);font-size:1.1rem;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}
.section{padding:80px 0}
.section-alt{background:var(--color-background-alt)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:1rem;border:2px solid transparent;transition:all var(--transition);text-align:center}
.btn-primary{background:var(--color-primary);color:var(--color-white);border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);color:var(--color-white);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-secondary{background:var(--color-secondary);color:var(--color-white);border-color:var(--color-secondary)}
.btn-secondary:hover{background:var(--color-secondary-dark);border-color:var(--color-secondary-dark);color:var(--color-white);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:var(--color-white);transform:translateY(-1px)}
.btn-lg{padding:16px 36px;font-size:1.1rem}
.btn-sm{padding:8px 16px;font-size:0.875rem}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:all var(--transition);height:var(--header-height)}
.header.scrolled{border-bottom-color:var(--color-border);box-shadow:var(--shadow-sm)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.header-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:800;color:var(--color-primary)}
.header-logo img{height:36px;width:auto}
.header-nav{display:flex;align-items:center;gap:32px}
.header-nav a{color:var(--color-text);font-weight:500;font-size:0.95rem;position:relative}
.header-nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--color-primary);transition:width var(--transition)}
.header-nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:12px}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:4px;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--color-text);border-radius:2px;transition:all var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--header-height);background:linear-gradient(135deg, #F8FAFC 0%, #EFF6FF 50%, #F8FAFC 100%);overflow:hidden}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content h1{margin-bottom:20px}
.hero-content p{font-size:1.15rem;color:var(--color-text-light);margin-bottom:32px;max-width:540px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.hero-stats{display:flex;align-items:center;gap:8px;color:var(--color-text-light);font-size:0.9rem}
.hero-stats svg{color:var(--color-secondary)}
.hero-image{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.hero-image img{border-radius:var(--radius-lg);width:100%}

/* ===== Benefits Grid ===== */
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.benefit-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition)}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--color-primary-light)}
.benefit-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--color-white);font-size:1.4rem}
.benefit-icon.blue{background:linear-gradient(135deg,#3B82F6,#1E3A8A)}
.benefit-icon.amber{background:linear-gradient(135deg,#F59E0B,#D97706)}
.benefit-icon.green{background:linear-gradient(135deg,#10B981,#047857)}
.benefit-card h3{margin-bottom:8px}
.benefit-card p{color:var(--color-text-light);font-size:0.95rem;line-height:1.5}

/* ===== Modules Grid ===== */
.modules-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition);position:relative;overflow:hidden}
.module-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));opacity:0;transition:opacity var(--transition)}
.module-card:hover::before{opacity:1}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.module-number{font-size:2.5rem;font-weight:800;color:var(--color-primary);opacity:0.1;position:absolute;top:12px;right:16px;line-height:1}
.module-card h3{margin-bottom:8px;font-size:1.1rem}
.module-card p{color:var(--color-text-light);font-size:0.9rem;line-height:1.5}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step}
.step-card{text-align:center;padding:32px}
.step-number{width:64px;height:64px;border-radius:50%;background:var(--color-primary);color:var(--color-white);font-size:1.5rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.step-card h3{margin-bottom:8px}
.step-card p{color:var(--color-text-light)}
.step-arrow{display:flex;align-items:center;justify-content:center;color:var(--color-primary-light);font-size:1.5rem}

/* ===== Testimonials ===== */
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:32px}
.testimonial-stars{color:var(--color-secondary);margin-bottom:16px}
.testimonial-text{font-style:italic;color:var(--color-text);margin-bottom:20px;line-height:1.6;font-size:0.95rem}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--color-background-alt);display:flex;align-items:center;justify-content:center;color:var(--color-primary-light);font-weight:700;font-size:1.1rem;border:2px solid var(--color-border);flex-shrink:0}
.testimonial-name{font-weight:600;font-size:0.9rem}
.testimonial-role{font-size:0.8rem;color:var(--color-text-light)}

/* ===== Pricing ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.pricing-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px 32px;transition:all var(--transition);position:relative}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.pricing-card.featured{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary),var(--shadow-lg);transform:scale(1.05)}
.pricing-card.featured:hover{transform:scale(1.05) translateY(-4px)}
.pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--color-primary);color:var(--color-white);padding:6px 20px;border-radius:20px;font-size:0.8rem;font-weight:600}
.pricing-name{font-size:1.25rem;font-weight:700;margin-bottom:8px}
.pricing-price{font-size:3rem;font-weight:800;color:var(--color-primary);margin-bottom:4px}
.pricing-price span{font-size:1rem;font-weight:400;color:var(--color-text-light)}
.pricing-desc{color:var(--color-text-light);font-size:0.9rem;margin-bottom:24px}
.pricing-features{margin-bottom:32px}
.pricing-features li{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:0.9rem;border-bottom:1px solid var(--color-border)}
.pricing-features li:last-child{border-bottom:none}
.pricing-features li svg{color:var(--color-success);flex-shrink:0;width:18px;height:18px}
.pricing-features li.disabled{color:var(--color-text-light);opacity:0.6}
.pricing-features li.disabled svg{color:var(--color-text-light)}
.pricing-note{text-align:center;margin-top:32px;color:var(--color-text-light);font-size:0.9rem}

/* ===== FAQ ===== */
.faq-list{max-width:720px;margin:0 auto}
.faq-item{border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:border-color var(--transition)}
.faq-item:hover{border-color:var(--color-primary-light)}
.faq-item summary{padding:20px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.3rem;color:var(--color-primary-light);transition:transform var(--transition);font-weight:400}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 24px 20px;color:var(--color-text-light);line-height:1.6}

/* ===== CTA Final ===== */
.cta-final{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-white);text-align:center;padding:80px 0}
.cta-final h2{color:var(--color-white);margin-bottom:16px}
.cta-final p{font-size:1.1rem;margin-bottom:32px;opacity:0.9}
.cta-final .btn{background:var(--color-white);color:var(--color-primary);border-color:var(--color-white)}
.cta-final .btn:hover{background:transparent;color:var(--color-white)}
.cta-final .cta-whatsapp{margin-top:16px;font-size:0.9rem;opacity:0.8}
.cta-final .cta-whatsapp a{color:var(--color-white);text-decoration:underline}

/* ===== Footer ===== */
.footer{background:var(--color-text);color:var(--color-background-alt);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{color:var(--color-text-light);margin-top:12px;font-size:0.9rem;max-width:300px}
.footer h4{color:var(--color-white);margin-bottom:16px;font-size:1rem}
.footer ul li{margin-bottom:10px}
.footer ul li a{color:var(--color-text-light);font-size:0.9rem;transition:color var(--transition)}
.footer ul li a:hover{color:var(--color-secondary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);margin-top:40px;padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:0.85rem;color:var(--color-text-light)}
.footer-bottom-links{display:flex;gap:24px}
.footer-bottom-links a{color:var(--color-text-light);font-size:0.85rem}

/* ===== Back to Top ===== */
.back-to-top{position:fixed;bottom:100px;right:24px;width:44px;height:44px;border-radius:50%;background:var(--color-primary);color:var(--color-white);border:none;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(20px);transition:all var(--transition);z-index:900}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--color-primary-dark);transform:translateY(-2px)}

/* ===== WhatsApp Float ===== */
.whatsapp-float{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:#25D366;color:var(--color-white);border:none;display:flex;align-items:center;justify-content:center;font-size:1.6rem;box-shadow:var(--shadow-lg);transition:all var(--transition);z-index:900}
.whatsapp-float:hover{transform:scale(1.1);background:#20BD5A;color:var(--color-white)}

/* ===== Cookie Banner ===== */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--color-text);color:var(--color-white);padding:16px 24px;display:none;align-items:center;justify-content:space-between;gap:16px;z-index:999;flex-wrap:wrap;font-size:0.9rem}
.cookie-banner.show{display:flex}
.cookie-banner p{color:var(--color-text-light)}
.cookie-banner a{color:var(--color-secondary);text-decoration:underline}
.cookie-btn{background:var(--color-primary-light);color:var(--color-white);border:none;padding:10px 24px;border-radius:var(--radius);font-weight:600;font-size:0.9rem;white-space:nowrap}
.cookie-btn:hover{background:var(--color-primary)}

/* ===== Page Header (secondary pages) ===== */
.page-header{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-white);padding:120px 0 60px;text-align:center}
.page-header h1{color:var(--color-white);margin-bottom:8px}
.page-header p{color:rgba(255,255,255,0.8);font-size:1.1rem}

/* ===== Features Page ===== */
.features-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:60px 0}
.features-sidebar{position:sticky;top:calc(var(--header-height) + 24px);height:fit-content;border-right:1px solid var(--color-border);padding-right:24px}
.features-sidebar h3{margin-bottom:16px;font-size:1rem;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-text-light)}
.features-sidebar a{display:block;padding:8px 0;font-size:0.9rem;color:var(--color-text-light);border-bottom:1px solid var(--color-border);transition:color var(--transition)}
.features-sidebar a:hover{color:var(--color-primary)}
.feature-detail{margin-bottom:60px;scroll-margin-top:calc(var(--header-height) + 24px)}
.feature-detail-header{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:24px}
.feature-detail-header img{border-radius:var(--radius);border:1px solid var(--color-border);width:100%}
.feature-detail h3{font-size:1.5rem;margin-bottom:16px}
.feature-detail p{color:var(--color-text-light);margin-bottom:16px;line-height:1.6}
.feature-list{list-style:disc;padding-left:20px;margin-bottom:16px}
.feature-list li{margin-bottom:6px;color:var(--color-text)}
.feature-testimonial{background:var(--color-background-alt);border-left:4px solid var(--color-primary);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;font-style:italic;color:var(--color-text-light)}

/* ===== Pricing Page ===== */
.pricing-page-toggle{display:flex;justify-content:center;gap:12px;margin-bottom:40px;align-items:center}
.pricing-page-toggle label{font-size:0.95rem;color:var(--color-text-light)}
.toggle-switch{position:relative;width:48px;height:26px;background:var(--color-border);border-radius:13px;cursor:pointer;transition:background var(--transition)}
.toggle-switch.active{background:var(--color-primary)}
.toggle-switch::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--color-white);transition:transform var(--transition);box-shadow:var(--shadow-sm)}
.toggle-switch.active::after{transform:translateX(22px)}
.pricing-table-wrap{overflow-x:auto;margin-bottom:60px}
.pricing-table{width:100%;border-collapse:collapse;font-size:0.9rem}
.pricing-table th,.pricing-table td{padding:14px 20px;text-align:center;border-bottom:1px solid var(--color-border)}
.pricing-table th{background:var(--color-background-alt);font-weight:600;color:var(--color-text)}
.pricing-table th:first-child,.pricing-table td:first-child{text-align:left;font-weight:500}
.pricing-table tr:hover td{background:var(--color-background-alt)}
.pricing-table .check{color:var(--color-success);font-weight:700}
.pricing-table .cross{color:var(--color-text-light);opacity:0.4}

/* ===== Blog Page ===== */
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:60px 0}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.blog-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition)}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.blog-card-img{height:200px;background:var(--color-background-alt);display:flex;align-items:center;justify-content:center;color:var(--color-text-light);font-size:0.9rem}
.blog-card-body{padding:24px}
.blog-card-meta{display:flex;gap:12px;font-size:0.8rem;color:var(--color-text-light);margin-bottom:8px}
.blog-card h3{font-size:1.1rem;margin-bottom:8px}
.blog-card h3 a{color:var(--color-text)}
.blog-card h3 a:hover{color:var(--color-primary)}
.blog-card p{color:var(--color-text-light);font-size:0.9rem;line-height:1.5}
.blog-card .btn{margin-top:12px}

.blog-sidebar{position:sticky;top:calc(var(--header-height) + 24px)}
.blog-sidebar h3{font-size:1rem;margin-bottom:16px;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-text-light)}
.blog-sidebar ul li{margin-bottom:10px}
.blog-sidebar ul li a{color:var(--color-text);font-size:0.9rem}
.blog-sidebar ul li a:hover{color:var(--color-primary)}
.blog-search input{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:0.9rem;margin-bottom:24px}
.blog-search input:focus{border-color:var(--color-primary-light);outline:none}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a{padding:10px 16px;border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:0.9rem;transition:all var(--transition)}
.pagination a:hover,.pagination a.active{background:var(--color-primary);color:var(--color-white);border-color:var(--color-primary)}

/* ===== Contact Page ===== */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:60px 0}
.contact-form{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px}
.contact-form .form-group{margin-bottom:20px}
.contact-form label{display:block;font-weight:600;margin-bottom:6px;font-size:0.9rem}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:0.95rem;transition:border-color var(--transition)}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--color-primary-light);outline:none}
.contact-form textarea{min-height:140px;resize:vertical}
.contact-form .btn{width:100%;justify-content:center}
.contact-info{padding:40px;display:flex;flex-direction:column;gap:24px}
.contact-info-item{display:flex;gap:16px;align-items:flex-start}
.contact-info-icon{width:48px;height:48px;border-radius:12px;background:var(--color-background-alt);display:flex;align-items:center;justify-content:center;color:var(--color-primary);font-size:1.2rem;flex-shrink:0}
.contact-info h4{font-size:1rem;margin-bottom:4px}
.contact-info p{color:var(--color-text-light);font-size:0.9rem}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero .container{grid-template-columns:1fr;text-align:center;gap:40px}
  .hero-content p{margin-left:auto;margin-right:auto}
  .hero-buttons{justify-content:center}
  .hero-stats{justify-content:center}
  .benefits-grid,.modules-grid,.testimonials-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
  .pricing-card.featured{transform:none}
  .pricing-card.featured:hover{transform:translateY(-4px)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .features-layout{grid-template-columns:1fr}
  .features-sidebar{display:none}
  .feature-detail-header{grid-template-columns:1fr}
  .blog-layout,.contact-layout{grid-template-columns:1fr}
  .blog-sidebar{position:static}
}

@media (max-width:640px){
  .header-nav{position:fixed;top:var(--header-height);left:0;right:0;background:var(--color-white);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);display:none}
  .header-nav.open{display:flex}
  .hamburger{display:flex}
  .header-cta .btn{display:none}
  .header-cta .btn-sm{display:inline-flex}
  .section{padding:48px 0}
  .benefits-grid,.modules-grid,.testimonials-grid,.blog-grid{grid-template-columns:1fr}
  .pricing-card{padding:24px}
  .steps-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-bottom-links{justify-content:center;flex-wrap:wrap}
  .contact-layout{padding:24px 0}
  .contact-form{padding:24px}
}