/* ==========================================================================
   GUIA DE CORES & VARIÁVEIS — VZ ADS (DARK TECH PERFORMANCE)
   ========================================================================== */
:root {
  --bg-main: #0D1117;         /* Dark Obsidian / High Tech Base */
  --bg-card: #161B22;         /* Deep Slate Card Background */
  --bg-dark-wood: #080C10;    /* Ultra Dark Accent / Header & Footer */
  --accent-copper: #0066FF;   /* Electric Blue Performance Accent */
  --accent-gold: #38BDF8;     /* Sky Blue / High-Tech Highlight */
  --text-primary: #F0F6FC;   /* Crisp White/Silver for readability */
  --text-muted: #8B949E;     /* Medium Silver/Grey */
  
  /* OPTIMIZED WHATSAPP GREENS WITH GLOW & CONTRAST */
  --action-green: #16803F;          /* Deep Emerald Green (High contrast) */
  --action-green-hover: #1E9E4C;    /* Vibrant Green for Hover */
  --action-green-header: #1EA855;   /* Vibrant Green for Dark Header */
  
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 10px 25px rgba(0, 102, 255, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
}

a {
  text-decoration: none;
  color: inherit;
}

/* 1. DISCREET TOPBAR */
.topbar {
  background-color: #040608;
  color: #F0F6FC;
  border-bottom: 1px solid rgba(0, 102, 255, 0.3);
  text-align: center;
  padding: 8px 15px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* 2. COMPACT NAVBAR WITH OFFICIAL LOGO */
.navbar {
  background-color: var(--bg-dark-wood);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 102, 255, 0.25);
  padding: 12px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.logo-link {
  display: flex;
  align-items: center;
}

/* HEADER LOGO */
header.navbar .logo-link img.logo-img {
  height: 55px;
  width: auto !important;
  max-width: 170px !important;
  object-fit: contain;
  margin-top: -4px;
  margin-bottom: -4px;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  transition: all 0.3s ease;
}

/* FOOTER LOGO */
footer .footer-logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
  margin-bottom: 15px;
  display: block;
}

/* NAVBAR BUTTON */
.btn-nav {
  background-color: var(--action-green-header);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(30, 168, 85, 0.45);
}

.btn-nav:hover {
  background-color: #25D366;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.65);
}

/* 3. HERO SECTION */
.hero {
  position: relative;
  padding: 50px 5% 60px 5%;
  background: radial-gradient(circle at top, #161B22 0%, var(--bg-main) 80%);
}

.hero-content {
  max-width: 750px;
  width: 100%;
  margin: 0 auto;
  text-align: left;
}

.hero-badge {
  display: inline-block;
  color: var(--accent-gold);
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(0, 102, 255, 0.12);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-badge i {
  color: var(--accent-gold);
}

.hero h1 {
  font-size: 2.3rem;
  line-height: 1.25;
  margin-bottom: 18px;
  font-weight: 800;
  color: var(--text-primary);
}

.hero h1 span {
  color: var(--accent-copper);
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-weight: 400;
}

/* MAIN CTA BUTTON */
.btn-cta-main {
  background-color: var(--action-green);
  color: #ffffff;
  padding: 16px 28px;
  border-radius: 50px;
  font-size: 1.02rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
  box-shadow: 0 8px 22px rgba(22, 128, 63, 0.4);
  transition: all 0.3s ease;
  width: 100%;
  max-width: 440px;
  margin: 0 auto 25px auto;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cta-main:hover {
  background-color: var(--action-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(30, 158, 76, 0.55);
}

/* BULLETS */
.hero-checklist {
  list-style: none;
  margin-bottom: 30px;
}

.hero-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--text-primary);
  font-weight: 500;
}

.hero-checklist i {
  color: var(--accent-copper);
  font-size: 1rem;
}

/* ROTATING PORTFOLIO CAROUSEL */
.portfolio-carousel {
  margin-top: 20px;
  margin-bottom: 20px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 102, 255, 0.25);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow-soft);
}

.carousel-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  height: 250px;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  height: 100%;
}

.carousel-slide {
  min-width: 100%;
  position: relative;
  height: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slide-caption {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  background: linear-gradient(transparent, rgba(13, 17, 23, 0.95));
  color: #FFFFFF;
  padding: 14px 16px;
  font-size: 0.85rem;
  font-weight: 600;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(13, 17, 23, 0.85);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  transition: 0.3s;
}

.carousel-btn:hover {
  background: var(--accent-copper);
  color: #fff;
}

.prev-btn { left: 10px; }
.next-btn { right: 10px; }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.dot {
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: 0.3s;
}

.dot.active {
  background: var(--accent-copper);
  width: 24px;
  border-radius: 10px;
}

/* GENERAL SECTIONS */
.section {
  padding: 60px 5%;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px auto;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-header h2 span {
  color: var(--accent-copper);
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* PRODUCTS / PLATFORMS SECTION */
.bg-products {
  background-color: #0A0E14;
  border-top: 1px solid rgba(0, 102, 255, 0.15);
  border-bottom: 1px solid rgba(0, 102, 255, 0.15);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  max-width: 1000px;
  margin: 0 auto;
}

.product-card {
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

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

.highlight-card {
  border-color: rgba(56, 189, 248, 0.4);
  background: linear-gradient(180deg, #161B22 0%, #1A202C 100%);
}

.highlight-card:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 10px 25px rgba(56, 189, 248, 0.22);
}

.product-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 30px;
  background: rgba(0, 102, 255, 0.15);
  color: var(--accent-copper);
  margin-bottom: 20px;
  border: 1px solid rgba(0, 102, 255, 0.3);
}

.badge-gold {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-gold);
  border-color: rgba(56, 189, 248, 0.3);
}

.product-img-box {
  width: 100%;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0D1117;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.product-card:hover .product-img-box {
  transform: scale(1.02);
}

.product-img-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.product-content h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.product-features {
  list-style: none;
  margin-top: auto;
}

.product-features li {
  font-size: 0.88rem;
  color: var(--text-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.product-features i {
  color: var(--accent-copper);
  font-size: 0.88rem;
}

.highlight-card .product-features i {
  color: var(--accent-gold);
}

/* SERVICES */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 30px 22px;
  transition: 0.3s;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

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

.service-icon {
  font-size: 1.8rem;
  color: var(--accent-copper);
  margin-bottom: 15px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* BEFORE & AFTER / PROOF */
.bg-alt {
  background-color: #0A0E14;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.proof-card {
  background: var(--bg-card);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.proof-img {
  height: 210px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.proof-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--bg-dark-wood);
  color: #FFFFFF;
  border: 1px solid var(--accent-gold);
  padding: 4px 12px;
  font-weight: 600;
  font-size: 0.72rem;
  border-radius: 20px;
}

.proof-body {
  padding: 22px;
}

.proof-stars {
  color: #FBBF24;
  margin-bottom: 10px;
  font-size: 0.85rem;
}

.proof-body p {
  font-size: 0.92rem;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.5;
}

.proof-client {
  font-size: 0.82rem;
  color: var(--accent-gold);
  font-weight: 700;
}

/* STEP BY STEP */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.step-item {
  text-align: center;
  padding: 15px;
}

.step-number {
  width: 52px;
  height: 52px;
  background: var(--accent-copper);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
  box-shadow: 0 6px 16px rgba(0, 102, 255, 0.4);
}

.step-item h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* INTERMEDIATE CTA */
.cta-banner {
  text-align: center;
  padding: 50px 5%;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.12) 0%, rgba(22, 27, 34, 1) 100%);
  border-radius: 20px;
  margin: 40px 5%;
  border: 1px solid rgba(0, 102, 255, 0.3);
  box-shadow: var(--shadow-soft);
}

.cta-banner h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.cta-subtitle {
  color: var(--text-muted);
  margin-bottom: 22px;
  font-size: 0.95rem;
}

/* FOOTER */
footer {
  background-color: var(--bg-dark-wood);
  padding: 50px 5% 25px 5%;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 35px;
}

.footer-col-brand {
  max-width: 320px;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.footer-links a {
  display: block;
  color: var(--text-muted);
  margin-bottom: 8px;
  transition: 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

/* FLOATING WHATSAPP BUTTON */
.float-wa {
  position: fixed;
  bottom: 22px;
  right: 22px;
  background-color: var(--action-green-header);
  color: #fff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 8px 25px rgba(30, 168, 85, 0.5);
  z-index: 2000;
  transition: all 0.3s ease;
}

.float-wa:hover {
  transform: scale(1.08);
  background-color: #25D366;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.7);
}

/* MOBILE RESPONSIVENESS (< 480px) */
@media (max-width: 480px) {
  .navbar {
    padding: 10px 4% !important;
  }

  .navbar .logo-img {
    height: 45px !important;
    max-width: 150px !important;
  }

  footer .footer-logo-img {
    height: 60px !important;
  }

  .btn-nav {
    padding: 8px 14px !important;
    font-size: 0.75rem !important;
  }

  .hero h1 {
    font-size: 1.85rem;
  }
  
  .topbar {
    font-size: 0.74rem;
  }
  
  .carousel-container {
    height: 200px;
  }
}