/* Google Fonts: Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Mode Variables */
  --bg-color: #FFFFFF;
  --card-bg: #F3F4F6;
  --text-color: #111827;
  --text-muted: #4B5563;
  --primary-color: #2563EB;
  --primary-hover: #1D4ED8;
  --border-color: #E5E7EB;
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #F9FAFB;
  --success-color: #10B981;
}

[data-theme="dark"] {
  /* Dark Mode Variables (Default) */
  --bg-color: #0A0A0A;
  --card-bg: #111827;
  --text-color: #E5E7EB;
  --text-muted: #9CA3AF;
  --primary-color: #2563EB;
  --primary-hover: #3B82F6;
  --border-color: #374151;
  --navbar-bg: rgba(10, 10, 10, 0.95);
  --footer-bg: #050505;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  padding-top: 80px; /* offset for fixed header */
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; color: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color) !important;
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #FFFFFF !important;
}

/* Header & Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--navbar-bg);
  backdrop-filter: blur(8px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary-color);
}

.logo i {
  color: var(--primary-color);
}

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

.nav-links a {
  color: var(--text-color);
  font-weight: 500;
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.theme-toggle:hover {
  background-color: var(--card-bg);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 120px 0 100px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-color) 0%, var(--card-bg) 100%);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

/* Page Header */
.page-header {
  padding: 80px 0 60px;
  text-align: center;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.text-content {
  max-width: 800px;
  margin: 0 auto;
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: inherit;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.honeypot {
  display: none !important;
}

/* Accordion (FAQ) */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  background-color: var(--card-bg);
  border: none;
  color: var(--text-color);
  font-weight: 600;
  font-size: 1.1rem;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.accordion-header:hover {
  background-color: var(--bg-color);
}

.accordion-icon {
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: var(--bg-color);
}

.accordion-body {
  padding: 1.5rem;
  color: var(--text-muted);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  margin-bottom: 1.5rem;
  color: var(--text-color);
  font-size: 1.125rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* LGPD Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  z-index: 2000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.5);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 800px;
}

.cookie-content p {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 100;
  transition: transform 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: #FFF;
}

/* Legal Content overrides */
.legal-content h2 { margin-top: 2rem; }
.legal-content p { margin-bottom: 1rem; }
.legal-content ul { list-style: disc; margin-left: 1.5rem; margin-bottom: 1rem; color: var(--text-muted); }
.legal-content li { margin-bottom: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--navbar-bg);
    flex-direction: column;
    padding: 2rem;
    transition: left 0.3s ease;
    backdrop-filter: blur(8px);
  }

  .nav-links.active {
    left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
}