/* ============================================
   ANDRA VOLT - Pedágios no Brasil
   Design System: Futurista, Profissional
   Paleta: Cinza, Grafite, Preto suave, Branco
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #1a1a1f;
  --bg-darker: #111115;
  --bg-card: #222228;
  --bg-card-hover: #2a2a32;
  --bg-surface: #18181c;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b0;
  --text-muted: #707080;
  --accent: #c0c0d0;
  --accent-bright: #e0e0f0;
  --border-color: #333340;
  --border-light: #444455;
  --gradient-hero: linear-gradient(180deg, rgba(17,17,21,0.55) 0%, rgba(17,17,21,0.92) 100%);
  --gradient-accent: linear-gradient(135deg, #2a2a35, #3a3a48);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-darker);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); margin-bottom: 0.75rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* === LAYOUT === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--bg-surface);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title span {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(17, 17, 21, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo em {
  font-style: normal;
  color: var(--text-muted);
  font-weight: 400;
}

/* === NAV === */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-bright);
  transition: width var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.main-nav a:hover {
  color: var(--text-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-darker);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 2rem 1.5rem;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-darker);
}

.btn-primary:hover {
  background: #fff;
  color: var(--bg-darker);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* === SUMÁRIO === */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.summary-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}

.summary-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.summary-item .icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.summary-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.summary-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* === CARDS GRID === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.card .number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-accent);
  border: 1px solid var(--border-light);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--accent-bright);
}

/* === STATS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 2rem 1rem;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  display: block;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* === SERVICES === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* === DO / DONT === */
.do-dont-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.do-box, .dont-box {
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.do-box {
  background: rgba(80, 200, 120, 0.05);
  border-color: rgba(80, 200, 120, 0.2);
}

.dont-box {
  background: rgba(200, 80, 80, 0.05);
  border-color: rgba(200, 80, 80, 0.2);
}

.do-box h3 { color: #6fc;  }
.dont-box h3 { color: #f88; }

.do-box ul, .dont-box ul {
  list-style: none;
  padding: 0;
}

.do-box li, .dont-box li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.do-box li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #6fc;
  font-weight: 700;
}

.dont-box li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #f88;
  font-weight: 700;
}

/* === TESTIMONIALS === */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
}

.testimonial-card blockquote {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.testimonial-card .author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.testimonial-card .role {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* === FAQ === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--bg-card);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 1.2rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-main);
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-question .arrow {
  transition: transform var(--transition);
  font-size: 1.2rem;
  color: var(--text-muted);
}

.faq-item.active .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
  font-size: 0.92rem;
}

/* === CTA SECTION === */
.cta-section {
  text-align: center;
  background: var(--gradient-accent);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  max-width: 600px;
  margin: 0 auto 2rem;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-col p,
.footer-col li {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  padding: 0.3rem 0;
}

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

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.disclaimer {
  background: rgba(200, 150, 50, 0.08);
  border: 1px solid rgba(200, 150, 50, 0.2);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  margin-top: 1.5rem;
  text-align: center;
}

.disclaimer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* === WHATSAPP BUTTON === */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

/* === COOKIES POPUP === */
.cookies-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  transform: translateY(100%);
  transition: transform 0.5s ease;
}

.cookies-popup.show {
  transform: translateY(0);
}

.cookies-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookies-inner p {
  flex: 1;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0;
}

.cookies-buttons {
  display: flex;
  gap: 0.75rem;
}

.cookies-buttons button {
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.btn-accept {
  background: var(--text-primary);
  color: var(--bg-darker);
  border: none;
}

.btn-accept:hover {
  background: #fff;
}

.btn-reject {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-reject:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

/* === ABOUT / QUEM SOMOS === */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-features {
  list-style: none;
  padding: 0;
}

.about-features li {
  padding: 0.6rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.about-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.about-image {
  background: var(--gradient-accent);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  opacity: 0.6;
}

/* === LEGAL PAGES === */
.legal-page {
  padding-top: 120px;
  padding-bottom: 5rem;
}

.legal-page h1 {
  margin-bottom: 2rem;
}

.legal-page h2 {
  margin-top: 2.5rem;
  font-size: 1.4rem;
}

.legal-page p, .legal-page li {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.legal-page ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-page li {
  padding: 0.3rem 0;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-dark);
    border-left: 1px solid var(--border-color);
    padding: 5rem 2rem 2rem;
    transition: right var(--transition);
    z-index: 1001;
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }

  .menu-toggle {
    display: block;
    z-index: 1002;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero { min-height: 90vh; }

  .about-content {
    grid-template-columns: 1fr;
  }

  .about-image {
    height: 200px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cookies-inner {
    flex-direction: column;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.5rem 0;
  }
}

/* === HERO BUTTONS === */
.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === ANIMATION UTILITY === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === BENEFITS LIST === */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.benefit-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.benefit-item:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.benefit-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}