/* Variáveis Principais */
:root {
    --primary: #0056b3;       /* Azul principal */
    --primary-dark: #003d82;
    --secondary: #001f3f;     /* Azul escuro (fundos) */
    --accent: #ffc107;        /* Amarelo (destaques e botões secundários) */
    --accent-hover: #e0a800;
    --text-main: #333333;
    --text-light: #f8fafc;
    --text-muted: #6c757d;
    --bg-light: #f4f7f6;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --radius: 12px;
    --transition: 0.3s ease;
    --whatsapp: #25D366;
    --whatsapp-dark: #1da851;
}

/* Reset e Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; color: var(--text-main); background-color: var(--bg-light); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* Tipografia */
h1, h2, h3, h4 { font-weight: 700; color: var(--secondary); line-height: 1.2; }
.section-title { font-size: 2.2rem; margin-bottom: 10px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: var(--transition); text-align: center; border: none; }
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,86,179,0.3); }
.btn-outline { background-color: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background-color: var(--primary); color: white; }
.btn-accent { background-color: var(--accent); color: var(--secondary); }
.btn-accent:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,193,7,0.3); }
.btn-full { width: 100%; }
.btn-large { padding: 16px 36px; font-size: 1.1rem; }

/* Navbar */
.navbar { background-color: var(--secondary); box-shadow: 0 4px 15px rgba(0,0,0,0.2); position: sticky; top: 0; z-index: 1000; }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.logo { display: flex; align-items: center; transition: var(--transition); }
.logo img { height: 50px; width: auto; object-fit: contain; }
.logo:hover { transform: scale(1.05); }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-weight: 600; color: white; font-size: 0.95rem; transition: var(--transition); }
.nav-links a:hover { color: var(--accent); }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.8rem; color: white; cursor: pointer; }
.mobile-nav { display: none; background-color: var(--secondary); border-top: 1px solid rgba(255,255,255,0.1); position: absolute; top: 80px; left: 0; width: 100%; box-shadow: 0 5px 10px rgba(0,0,0,0.2); }
.mobile-nav.active { display: flex; flex-direction: column; }
.mobile-nav a { padding: 15px 20px; font-weight: 600; color: white; border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav a:hover { background-color: rgba(255,255,255,0.05); color: var(--accent); }

/* Hero Section */
.hero { background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%); color: white; padding: 100px 0; min-height: 80vh; display: flex; align-items: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('https://www.transparenttextures.com/patterns/cubes.png'); opacity: 0.1; }
.hero-content { position: relative; z-index: 2; max-width: 800px; text-align: center; }
.hero h1 { color: white; font-size: 3.5rem; margin-bottom: 20px; }
.hero h1 strong { color: var(--accent); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.9); margin-bottom: 40px; }
.hero-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin-bottom: 40px; }
.hero .badge { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); padding: 8px 16px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; backdrop-filter: blur(5px); }
.hero .badge i { color: var(--accent); font-size: 1.1rem; }
.hero-buttons { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.hero .btn-outline { border-color: white; color: white; }
.hero .btn-outline:hover { background-color: white; color: var(--secondary); }
.hero .btn-primary { background-color: var(--whatsapp); color: white; }
.hero .btn-primary:hover { background-color: var(--whatsapp-dark); }

/* Seções Padrão */
.section { padding: 80px 0; }
.section-dark { background-color: var(--secondary); color: white; }
.section-dark .section-title { color: white; }
.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

/* Planos */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; align-items: center; }
.plan-card { background: var(--bg-white); border-radius: var(--radius); padding: 40px 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); border: 1px solid var(--border); transition: var(--transition); position: relative; }
.plan-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); }
.plan-card.featured { transform: scale(1.05); border: 2px solid var(--primary); box-shadow: 0 15px 40px rgba(0,86,179,0.15); }
.plan-card.featured:hover { transform: scale(1.05) translateY(-5px); }
.featured-badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--secondary); padding: 6px 16px; border-radius: 20px; font-weight: 700; font-size: 0.85rem; letter-spacing: 1px; }
.plan-header { text-align: center; margin-bottom: 30px; border-bottom: 1px solid var(--border); padding-bottom: 20px; }
.plan-header h3 { font-size: 1.8rem; color: var(--secondary); margin-bottom: 10px; }
.plan-price { font-size: 3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.plan-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.plan-features { margin-bottom: 30px; }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: var(--text-main); }
.plan-features li i { color: var(--primary); font-size: 1.2rem; margin-top: 2px; }

/* Benefícios */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.benefit-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 30px; border-radius: var(--radius); transition: var(--transition); }
.benefit-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); }
.benefit-card .icon-wrapper { width: 60px; height: 60px; background: rgba(255, 193, 7, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px auto; }
.benefit-card i { font-size: 2rem; color: var(--accent); }
.benefit-card h3 { color: white; margin-bottom: 15px; font-size: 1.3rem; }
.benefit-card p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }

/* Teste de Velocidade */
.speedtest-section { background-color: var(--bg-white); }
.speedtest-wrapper { max-width: 800px; margin: 0 auto 20px auto; border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border: 1px solid var(--border); }
.speedtest-hint { color: var(--text-muted); font-size: 0.95rem; }
.speedtest-hint i { color: var(--primary); }

/* Sobre e Cobertura */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-content p { color: rgba(255,255,255,0.8); margin-bottom: 20px; font-size: 1.05rem; }
.about-highlights { display: flex; flex-direction: column; gap: 15px; margin-top: 30px; }
.highlight-item { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 600; color: var(--accent); }
.highlight-item i { font-size: 1.5rem; }
.coverage-content { background: rgba(255,255,255,0.05); padding: 40px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.1); text-align: center; }
.coverage-box { margin-bottom: 25px; }
.coverage-box i { font-size: 3rem; color: var(--primary); margin-bottom: 15px; display: block; }
.coverage-box h3 { color: white; font-size: 1.8rem; margin-bottom: 5px; }
.coverage-box p { color: rgba(255,255,255,0.7); font-size: 1.1rem; }
.coverage-hint { color: var(--accent); font-weight: 600; margin-bottom: 20px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 15px; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item summary { list-style: none; padding: 20px; font-weight: 600; font-size: 1.1rem; color: var(--secondary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { transition: transform 0.3s ease; color: var(--primary); }
.faq-item[open] summary { border-bottom: 1px solid var(--border); color: var(--primary); }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-content { padding: 20px; color: var(--text-muted); line-height: 1.6; }

/* CTA Final */
.cta-final { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; padding: 80px 0; }
.cta-final h2 { color: white; font-size: 2.5rem; margin-bottom: 15px; }
.cta-final p { font-size: 1.2rem; color: rgba(255,255,255,0.9); margin-bottom: 30px; }
.cta-final .btn-primary { background-color: var(--accent); color: var(--secondary); }
.cta-final .btn-primary:hover { background-color: var(--accent-hover); color: var(--secondary); }

/* Footer */
.footer { background-color: var(--secondary); color: white; padding: 60px 0 20px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 60px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(255,255,255,0.7); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.footer-brand i { color: var(--accent); font-size: 1.2rem; }
.footer-links h3 { color: white; margin-bottom: 20px; }
.footer-links a { display: block; color: rgba(255,255,255,0.7); margin-bottom: 10px; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); font-size: 0.9rem; }

/* WhatsApp Float */
.whatsapp-float { position: fixed; bottom: 30px; right: 30px; width: 60px; height: 60px; background-color: var(--whatsapp); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; box-shadow: 0 5px 20px rgba(37,211,102,0.4); z-index: 1000; transition: var(--transition); }
.whatsapp-float:hover { transform: scale(1.1); background-color: var(--whatsapp-dark); color: white; }

/* Responsividade */
@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.8rem; }
}
@media (max-width: 768px) {
    .nav-links, .nav-btn { display: none; }
    .mobile-menu-btn { display: block; }
    .hero { padding: 80px 0; }
    .hero h1 { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .plan-card.featured { transform: scale(1); }
    .plan-card.featured:hover { transform: translateY(-5px); }
    .footer-grid { grid-template-columns: 1fr; }
}