/* 
  Design System & CSS Reset 
*/
:root {
  /* Colors */
  --dark-blue: #0A2540; /* Títulos, botões */
  --light-blue: #007BFF; /* Destaques, bordas */
  --white: #FFFFFF;
  --bg-gray: #F8F9FA;
  --text-dark: #333333;
  --text-muted: #6C757D;
  --border-color: #E2E8F0;

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-heading: 'Sora', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark-blue);
  line-height: 1.2;
}

a {
  text-decoration: none;
  transition: all 0.3s ease;
}

/* ==========================================================================
   Header
   ========================================================================== */
.main-header {
  background-color: var(--white);
  padding: 15px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.site-logo {
  height: 80px;
  width: auto;
  transform: scale(2.5);
  transform-origin: left center;
}

.btn-primary-outline {
  border: 2px solid var(--dark-blue);
  color: var(--dark-blue);
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-family: var(--font-heading);
}

.btn-primary-outline:hover {
  background-color: var(--dark-blue);
  color: var(--white);
}

.btn-primary {
  background-color: var(--light-blue);
  color: var(--white);
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0, 123, 255, 0.2);
}

.btn-primary:hover {
  background-color: #0062cc;
  transform: translateY(-2px);
  box-shadow: 0 15px 25px rgba(0, 123, 255, 0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 100px;
  background: linear-gradient(135deg, var(--white) 0%, #E6F0FA 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-headline {
  font-size: 3.5rem;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subheadline {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 50px;
}

.vsl-wrapper {
  max-width: 1000px;
  margin: 0 auto 50px;
  background: var(--white);
  padding: 12px;
  border-radius: 24px;
  box-shadow: 0 30px 60px rgba(10, 37, 64, 0.15);
}

.vsl-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  border-radius: 16px;
  overflow: hidden;
  background-color: #000;
}

.vsl-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.btn-large {
  font-size: 1.2rem;
  padding: 20px 50px;
}

/* ==========================================================================
   Comparison Section
   ========================================================================== */
.comparison-section {
  padding: 100px 0;
  background-color: var(--white);
}

.section-title {
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.compare-table-wrapper {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-color);
}

.compare-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.compare-row:last-child {
  border-bottom: none;
}

.compare-col {
  flex: 1;
  padding: 30px 40px;
}

.traditional-col {
  background-color: #F8FAFC;
  border-right: 1px solid var(--border-color);
}

.voatec-col {
  background-color: var(--dark-blue);
  color: var(--white);
}

.compare-header .traditional-col {
  background-color: #F1F5F9;
}

.compare-header h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.compare-header .voatec-col h3 {
  color: var(--white);
  font-size: 1.8rem;
}

.subtitle {
  font-size: 0.9rem;
  opacity: 0.7;
}

.feature-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.negative .icon {
  background-color: rgba(239, 68, 68, 0.15);
  color: #EF4444;
}

.positive .icon {
  background-color: rgba(16, 185, 129, 0.2);
  color: #10B981;
}

.feature-content strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.feature-content p {
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.4;
}

.traditional-col .feature-content strong {
  color: var(--text-dark);
}

.traditional-col .feature-content p {
  color: var(--text-muted);
}

.voatec-col .feature-content strong {
  color: var(--white);
}

.voatec-col .feature-content p {
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-section {
  padding: 100px 0;
  background-color: var(--bg-gray);
  overflow: hidden;
}

.gallery-swiper {
  padding-bottom: 60px;
}

.slide-img-wrapper {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.slide-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.slide-img-wrapper:hover img {
  transform: scale(1.05);
}

.swiper-pagination-bullet-active {
  background-color: var(--light-blue) !important;
}

.swiper-button-next, .swiper-button-prev {
  color: var(--dark-blue) !important;
  background: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.swiper-button-next::after, .swiper-button-prev::after {
  font-size: 1.2rem !important;
  font-weight: bold;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background-color: var(--white);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info h2 {
  font-size: 3rem;
  margin-bottom: 25px;
}

.contact-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.contact-highlight {
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--dark-blue);
  margin-bottom: 40px;
}

.contact-drone-icon {
  color: var(--light-blue);
  background: #E6F0FA;
  display: inline-flex;
  padding: 20px;
  border-radius: 50%;
}

.contact-form-wrapper {
  background: var(--white);
  padding: 50px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(10, 37, 64, 0.08);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--dark-blue);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 1rem;
  background-color: var(--bg-gray);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--light-blue);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
}

.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.radio-label:hover {
  background-color: var(--bg-gray);
}

.divider {
  margin: 40px 0 25px;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--dark-blue);
  font-size: 1.2rem;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg-gray);
}

.btn-submit {
  width: 100%;
  margin-top: 10px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
  background-color: var(--dark-blue);
  color: rgba(255,255,255,0.7);
  padding: 50px 0;
  text-align: center;
}

.footer-logo {
  height: 160px;
  margin: -40px 0 -20px 0;
  filter: brightness(0) invert(1);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 992px) {
  .hero-headline { font-size: 2.8rem; }
  .contact-container { grid-template-columns: 1fr; gap: 40px; }
  .contact-info h2 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  .compare-row { flex-direction: column; }
  .traditional-col { border-right: none; border-bottom: 1px solid var(--border-color); }
  .compare-col { padding: 25px 20px; }
  
  .hero-headline { font-size: 1.7rem; }
  
  /* Reorder Hero Section on Mobile */
  .hero-container {
    display: flex;
    flex-direction: column;
  }
  .hero-headline { order: 1; margin-bottom: 20px; }
  .vsl-wrapper { 
    order: 2; 
    margin-bottom: 25px; 
    width: calc(100% + 40px); 
    margin-left: -20px; 
    padding: 0; 
    border-radius: 0; 
    box-shadow: none;
  }
  .vsl-container { border-radius: 0; }
  .hero-subheadline { order: 3; margin-bottom: 30px; }
  .hero-cta { order: 4; }

  .btn-large { padding: 15px 30px; font-size: 1rem; }
  .contact-form-wrapper { padding: 30px 20px; }
  .radio-group { grid-template-columns: 1fr; }
  .site-logo { height: 45px; transform: scale(2); }
  .btn-primary-outline { padding: 8px 16px; font-size: 0.9rem; }
}