:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-dark: #1e3a8a;
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
    --accent-light: #ede9fe;
    --green: #059669;
    --green-light: #d1fae5;
    --orange: #ea580c;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.85);
    --bg-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #2e1065 100%);
    --bg-section-alt: #f1f5f9;
    --bg-code: #1e293b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    --text-hero: rgba(255, 255, 255, 0.9);
    --text-hero-muted: rgba(255, 255, 255, 0.7);
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 40px -5px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Inter', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 68px;
    display: flex; align-items: center; justify-content: space-between;
}
.header-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 1.2rem;
}
.header-logo .logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    color: white; font-size: 1rem;
}
.header-nav { display: flex; align-items: center; gap: 8px; }
.header-nav a {
    text-decoration: none; color: var(--text-secondary);
    font-size: 0.9rem; font-weight: 500; padding: 8px 16px;
    border-radius: var(--radius-sm); transition: var(--transition);
}
.header-nav a:hover { color: var(--primary); background: var(--primary-light); }
.btn-nav-cta {
    background: var(--primary) !important; color: white !important;
    padding: 10px 20px !important; border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
}
.btn-nav-cta:hover { background: var(--primary-hover) !important; color: white !important; transform: translateY(-1px); }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-primary); cursor: pointer; }

.hero {
    background: var(--bg-hero); position: relative; overflow: hidden;
    padding: 140px 24px 100px; margin-top: 68px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse 80% 60% at 0% 50%, rgba(139,92,246,0.15) 0%, transparent 100%),
                radial-gradient(ellipse 80% 60% at 100% 50%, rgba(37,99,235,0.15) 0%, transparent 100%);
    pointer-events: none;
}
.hero-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-content { max-width: 560px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.1); backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 16px; border-radius: 100px; font-size: 0.8rem;
    color: var(--text-hero); margin-bottom: 24px;
}
.hero-badge i { color: #22c55e; }
.hero-title {
    font-size: 2.8rem; font-weight: 800; line-height: 1.15;
    color: var(--text-inverse); margin: 0 0 20px; letter-spacing: -0.02em;
}
.hero-title .gradient-text {
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-text { font-size: 1.1rem; color: var(--text-hero-muted); line-height: 1.7; margin: 0 0 32px; max-width: 500px; }
.hero-info { display: flex; gap: 24px; margin-bottom: 32px; }
.hero-info-item { display: flex; align-items: center; gap: 8px; color: var(--text-hero); font-size: 0.9rem; }
.hero-info-item i { color: #22c55e; font-size: 1rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 16px 32px; border-radius: var(--radius-md);
    font-weight: 600; font-size: 1rem; border: none; cursor: pointer;
    text-decoration: none; transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white; box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.4); }
.btn-ghost {
    background: rgba(255,255,255,0.08); color: var(--text-hero);
    border: 1px solid rgba(255,255,255,0.12);
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-green { background: linear-gradient(135deg, var(--green), #047857); color: white; box-shadow: 0 4px 14px rgba(5,150,105,0.3); }
.btn-green:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(5,150,105,0.4); }

.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card-float {
    background: rgba(255,255,255,0.06); backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl); padding: 32px; width: 100%; max-width: 420px;
    text-align: center;
}
.hero-card-float .big-icon { font-size: 3.5rem; margin-bottom: 16px; }
.hero-card-float h3 { color: var(--text-inverse); font-size: 1.2rem; font-weight: 700; margin: 0 0 8px; }
.hero-card-float p { color: var(--text-hero-muted); font-size: 0.9rem; margin: 0 0 20px; }
.hero-price { font-size: 2.5rem; font-weight: 800; color: var(--text-inverse); font-family: var(--font-display); }
.hero-price small { font-size: 1rem; font-weight: 400; color: var(--text-hero-muted); }
.hero-price { display: flex; align-items: baseline; justify-content: center; gap: 12px; }
.hero-price-coletivo { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.hero-price-direto { font-size: 1.1rem; color: var(--text-hero-muted); }
.hero-price-direto del { text-decoration: line-through; }
.hero-coletivo-badge i { margin-right: 4px; }
.hero-mini-progress { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 10px; font-size: 0.8rem; color: var(--text-hero-muted); }
.hero-pix-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(5,150,105,0.2); color: #6ee7b7;
    padding: 4px 12px; border-radius: 100px; font-size: 0.8rem; font-weight: 600; margin-top: 12px;
}

.pulse-dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: #22c55e; position: relative;
}
.pulse-dot::before {
    content: ''; position: absolute; inset: -3px; border-radius: 50%;
    background: rgba(34,197,94,0.3); animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }

.section { padding: 80px 24px; }
.section-alt { background: var(--bg-section-alt); }
.section-dark { background: var(--bg-code); color: var(--text-hero); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--primary-light); color: var(--primary);
    padding: 6px 16px; border-radius: 100px; font-size: 0.8rem; font-weight: 600; margin-bottom: 16px;
}
.section-title {
    font-size: 2rem; font-weight: 800; margin: 0 0 16px; letter-spacing: -0.01em;
}
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto; line-height: 1.6; }
.section-dark .section-subtitle { color: var(--text-hero-muted); }

.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 32px 28px;
    transition: var(--transition); position: relative;
}
.benefit-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.benefit-icon {
    width: 52px; height: 52px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 20px;
}
.benefit-icon.blue { background: var(--primary-light); color: var(--primary); }
.benefit-icon.purple { background: var(--accent-light); color: var(--accent); }
.benefit-icon.green { background: var(--green-light); color: var(--green); }
.benefit-icon.orange { background: #fff7ed; color: var(--orange); }
.benefit-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.benefit-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; margin: 0; }

.demo-section { padding: 80px 24px; background: #0f172a; color: white; }
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1200px; margin: 0 auto; }
.demo-card {
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); cursor: pointer;
}
.demo-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.demo-card img { width: 100%; display: block; }
.demo-card-body { padding: 20px; text-align: center; }
.demo-card-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.demo-card-body p { font-size: 0.85rem; color: rgba(255,255,255,0.6); }

.features-list { max-width: 800px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-item {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius-md);
    font-size: 0.9rem; transition: var(--transition);
}
.feature-item:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.feature-item i { color: var(--green); font-size: 1.1rem; flex-shrink: 0; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 32px 28px; text-align: center;
    transition: var(--transition); position: relative;
}
.step-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.step-number {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 800; font-size: 1.2rem; margin: 0 auto 20px;
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin: 0; }

.code-preview {
    background: #1e293b; border-radius: var(--radius-lg); padding: 32px;
    max-width: 700px; margin: 0 auto; position: relative;
}
.code-preview code {
    color: #e2e8f0; font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem; line-height: 1.8; white-space: pre;
}
.code-comment { color: #64748b; }
.code-keyword { color: #818cf8; }
.code-string { color: #34d399; }
.code-func { color: #60a5fa; }

.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; max-width: 800px; margin: 0 auto; }
.tech-tag {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); font-size: 0.85rem; font-weight: 500;
    transition: var(--transition);
}
.tech-tag:hover { border-color: var(--primary); }
.tech-tag i { color: var(--primary); }

.pricing-card {
    background: var(--bg-card); border: 2px solid var(--border);
    border-radius: var(--radius-xl); padding: 48px 40px;
    max-width: 480px; margin: 0 auto; text-align: center;
    position: relative; transition: var(--transition);
}
.pricing-card:hover { border-color: var(--primary); box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.pricing-card .popular-tag {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white; padding: 6px 20px; border-radius: 100px;
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.pricing-card .price { font-size: 3rem; font-weight: 800; margin: 20px 0; }
.pricing-card .price small { font-size: 1.2rem; font-weight: 400; color: var(--text-tertiary); }
.pricing-card .pix-info { color: var(--text-tertiary); font-size: 0.9rem; margin-bottom: 24px; }
.pricing-card .pix-info i { color: var(--green); }
.pricing-features { text-align: left; margin: 24px 0; }
.pricing-features li {
    list-style: none; padding: 8px 0; font-size: 0.9rem;
    display: flex; align-items: center; gap: 10px;
}
.pricing-features li i { color: var(--green); flex-shrink: 0; }
.pricing-card .guarantee {
    margin-top: 24px; padding: 16px; background: var(--primary-light);
    border-radius: var(--radius-md); font-size: 0.85rem; color: var(--primary-dark);
    display: flex; align-items: center; gap: 10px; justify-content: center;
}

.faq-section { max-width: 760px; margin: 0 auto; }
.faq-item {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden;
}
.faq-question {
    padding: 20px 24px; cursor: pointer; display: flex;
    justify-content: space-between; align-items: center;
    font-weight: 600; font-size: 0.95rem; transition: var(--transition);
}
.faq-question:hover { background: var(--bg-section-alt); }
.faq-question i { transition: transform 0.3s ease; color: var(--text-tertiary); }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
    padding: 0 24px; max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
    padding: 0 24px 20px; max-height: 300px;
}
.faq-answer p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), #312e81, #581c87);
    padding: 80px 24px; text-align: center; color: white;
}
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }

.site-footer {
    background: #0f172a; color: rgba(255,255,255,0.7); padding: 48px 24px 24px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-brand h3 { color: white; font-size: 1.1rem; font-weight: 800; margin: 0 0 12px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.6; max-width: 320px; }
.footer-col h4 { color: white; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin: 0 0 16px; }
.footer-col a { display: block; font-size: 0.85rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.8rem; display: flex; justify-content: space-between; align-items: center; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { color: var(--primary); border-color: var(--primary); }

.trust-bar { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; padding: 24px 0; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.trust-item i { font-size: 1.2rem; }

.lightbox {
    display: none; position: fixed; z-index: 9999; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.95); animation: fadeIn 0.3s ease;
}
.lightbox.active { display: flex; align-items: center; justify-content: center; }
.lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 8px; }
.lightbox-close {
    position: absolute; top: 20px; right: 20px; width: 48px; height: 48px;
    background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,0.3);
    color: white; border-radius: 50%; cursor: pointer; font-size: 28px;
    display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); transform: rotate(90deg); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-on-scroll { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

.hidden { display: none !important; }

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-content { max-width: 100%; text-align: center; }
    .hero-text { margin: 0 auto 32px; }
    .hero-info { justify-content: center; flex-wrap: wrap; }
    .hero-actions { justify-content: center; }
    .hero-title { font-size: 2.2rem; }
    .benefits-grid { grid-template-columns: 1fr 1fr; }
    .demo-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .header-nav a.nav-link { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 100px 16px 60px; }
    .hero-title { font-size: 1.8rem; }
    .hero-text { font-size: 0.95rem; }
    .hero-card-float { padding: 24px; }
    .hero-card-float .big-icon { font-size: 2.5rem; }
    .hero-price { font-size: 2rem; }
    .section { padding: 48px 16px; }
    .section-title { font-size: 1.5rem; }
    .benefits-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; gap: 16px; }
    .features-list { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; max-width: 500px; }
    .pricing-card { padding: 32px 24px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .trust-bar { gap: 20px; }
    .code-preview { padding: 20px; font-size: 0.8rem; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 1.5rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }
    .hero-info { flex-direction: column; align-items: center; gap: 12px; }
    .btn-lg { padding: 14px 24px; font-size: 1rem; }
}