/* ==========================================
   BT RASTREAMENTO - CSS MODERNO E BONITO
   Design clean, cores equilibradas, visual profissional
   ========================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Cores Principais */
  --primary: #2563eb;           /* Azul moderno */
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #7c3aed;         /* Roxo elegante */
  --accent: #06b6d4;            /* Ciano vibrante */

  /* Cores Neutras */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --black: #0d0d0d;

  /* Gradientes Modernos */
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #7c3aed 100%);
  --gradient-accent: linear-gradient(45deg, #06b6d4 0%, #67e8f9 100%);

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Tipografia */
  --font-heading: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Open Sans', system-ui, sans-serif;

  /* Espaçamentos */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }

/* --- Containers --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Sections --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section--light {
  background: var(--white);
}

.section--dark {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.section--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.section--primary .section__tag {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.section--primary .section__title,
.section--primary .section__desc {
  color: var(--white);
}

/* --- Section Headers --- */
.section__header {
  text-align: center;
  margin-bottom: 60px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section__tag {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--gray-900);
}

.section__title span {
  color: var(--primary);
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__desc {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  padding: 15px 0;
  transition: var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 50px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.header__link:hover {
  color: var(--primary);
}

.header__cta {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.header__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero__title span {
  color: #fbbf24;
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: #fbbf24;
  margin-bottom: 4px;
}

.hero__stat span {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* --- Cards de Serviços --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.service-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.service-card p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* --- Cards de Planos --- */
.plans__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.plan-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 2px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.plan-card--featured {
  border-color: var(--primary);
  transform: scale(1.05);
}

.plan-card--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.plan-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--primary);
  color: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-card__header {
  padding: 40px 30px 30px;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
}

.plan-card__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

.plan-card h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--gray-900);
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
}

.plan-card__currency {
  font-size: 1.25rem;
  color: var(--gray-600);
}

.plan-card__value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
}

.plan-card__cents {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.plan-card__period {
  font-size: 1.125rem;
  color: var(--gray-600);
}

.plan-card__daily {
  background: var(--gradient-accent);
  color: var(--gray-900);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.plan-card__features {
  padding: 30px;
  list-style: none;
}

.plan-card__features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}

.plan-card__features li:last-child {
  border-bottom: none;
}

.plan-card__features i {
  color: var(--primary);
  font-size: 0.875rem;
}

.plan-card__feature--premium i {
  color: #fbbf24;
}

.plan-card__action {
  padding: 0 30px 30px;
}

/* --- Cards de Plataformas --- */
.platforms__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.platform-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.platform-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.platform-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
}

.platform-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--gray-900);
}

.platform-card p {
  color: var(--gray-600);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* --- About/Empresa --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about__image {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about__image img {
  max-height: 200px;
  width: auto;
}

.about__text p {
  margin-bottom: 20px;
  color: var(--gray-600);
  line-height: 1.7;
}

.about__text strong {
  color: var(--primary);
}

.about__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.about__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
}

.about__feature i {
  color: var(--primary);
  font-size: 1.25rem;
}

.about__feature span {
  font-weight: 600;
  color: var(--gray-700);
}

/* --- Dores (Tabs) --- */
.dores {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.dores__tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dores__tab {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--white);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.dores__tab:hover,
.dores__tab.is-active {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

.dores__tab-num {
  width: 32px;
  height: 32px;
  background: var(--white);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.dores__tab-title {
  flex: 1;
  font-weight: 600;
}

.dores__tab-arrow {
  opacity: 0.7;
}

.dores__panels {
  position: relative;
}

.dores__panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: none;
}

.dores__panel.is-active {
  display: block;
}

.dores__panel-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.dores__panel-icon {
  width: 60px;
  height: 60px;
  background: var(--white);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.dores__panel-num {
  font-size: 0.875rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dores__panel-title {
  font-size: 1.5rem;
  margin-top: 8px;
  color: var(--white);
}

.dores__panel-text {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: 30px;
}

.dores__panel-cta {
  background: var(--white);
  color: var(--primary);
}

.dores__panel-cta:hover {
  background: #fbbf24;
  color: var(--white);
}

/* --- Contato --- */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.contact-card {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--gray-200);
}

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

.contact-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
  display: block;
}

.contact-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--gray-900);
}

.contact-card p {
  color: var(--gray-600);
  font-weight: 600;
}

.contact__map {
  margin-top: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 60px 0 30px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand p {
  margin: 16px 0;
  line-height: 1.6;
}

.footer__logo {
  height: 60px;
  width: auto;
  margin-bottom: 20px;
}

.footer__social {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.footer__social a:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.footer__links h4 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1.125rem;
}

.footer__links a {
  display: block;
  color: var(--gray-400);
  text-decoration: none;
  margin-bottom: 12px;
  transition: var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 30px;
  text-align: center;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

.whatsapp-float__text {
  position: absolute;
  right: 70px;
  background: var(--gray-900);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-float__text {
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__stats {
    gap: 20px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .dores {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .footer__bottom {
    flex-direction: column;
  }

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

  .plans__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .plans__grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .plan-card--featured {
    transform: none;
  }

  .plan-card--featured:hover {
    transform: translateY(-4px);
  }
}