/* Inverted Luxury Design System - Viajando com Ana */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Colors */
  --color-surface: #fbf9f8;
  --color-surface-dim: #dcd9d9;
  --color-primary: #040053; /* Midnight Blue */
  --color-primary-variant: #0a0565;
  --color-on-primary: #ffffff;
  --color-secondary: #735c00; /* Champagne Gold dark */
  --color-secondary-container: #fed65b; /* Champagne Gold light */
  --color-on-secondary-container: #745c00;
  --color-outline: #777682;
  --color-outline-variant: #e5e4e2; /* Silver */
  --color-pearl: #f9f9f9;
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-unit: 8px;
  --gutter: 24px;
  --margin-desktop: 80px;
  --margin-mobile: 20px;
  --max-width: 1440px;
  
  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 9999px;
  
  /* Shadows / Depth */
  --shadow-level-1: 0 4px 20px rgba(25, 25, 112, 0.04);
  --glass-blur: blur(12px);
}

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

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

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--margin-desktop);
    padding-right: var(--margin-desktop);
  }
}

/* Typography Classes */
h1, h2, h3, .font-serif {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
}

.headline-lg {
  font-size: 32px;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .headline-lg {
    font-size: 48px;
    letter-spacing: -0.02em;
  }
}

.headline-md {
  font-size: 28px;
  font-weight: 600;
}

@media (min-width: 768px) {
  .headline-md {
    font-size: 32px;
  }
}

.label-caps {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Components */
.glass-surface {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-outline-variant);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  position: relative;
  overflow: hidden;
}

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

.btn-shimmer {
  background: linear-gradient(to bottom, var(--color-secondary-container), var(--color-secondary));
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 8px 16px rgba(115, 92, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0) 100%);
  transform: translateX(-150%) skewX(-20deg);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-150%) skewX(-20deg); }
  100% { transform: translateX(250%) skewX(-20deg); }
}

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

/* Form Styles (Interactive Quiz) */
.form-container {
  background: var(--color-on-primary);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-level-1);
}

@media (min-width: 768px) {
  .form-container {
    padding: 40px;
  }
}

.input-group {
  margin-bottom: 24px;
}

.input-label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.input-field {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 16px;
  transition: border-color 0.3s;
  background: var(--color-surface);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Radio/Checkbox Grid */
.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .options-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.option-card {
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-sm);
  padding: 24px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 16px;
  background: white;
}

.option-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-level-1);
}

.option-card.selected {
  border-color: var(--color-primary);
  background: rgba(4, 0, 83, 0.02);
  border-width: 2px;
  padding: 23px; /* Compensate for border */
}

/* Custom Radio */
.custom-radio {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-outline);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.option-card.selected .custom-radio {
  border-color: var(--color-primary);
}

.option-card.selected .custom-radio::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--color-secondary-container);
  border-radius: 50%;
}

/* Step Indicator */
.step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
  position: relative;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.step-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-outline-variant);
  z-index: 1;
  transform: translateY(-50%);
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  z-index: 2;
  transition: all 0.3s;
}

.step-dot.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

.step-dot.completed {
  border-color: var(--color-primary);
  background: white;
  color: var(--color-primary);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@keyframes kenBurns {
  0% { transform: scale(1); }
  100% { transform: scale(1.15); }
}

.animate-ken-burns {
  animation: kenBurns 20s ease-in-out infinite alternate;
}

/* Specific Sections */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 80px; /* Offset for header */
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(4, 0, 83, 0.5), rgba(4, 0, 83, 0.2));
  z-index: -1;
}

.trust-bar {
  background: var(--color-primary);
  padding: 24px 0;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
}

.trust-bar img {
  height: 24px;
  opacity: 0.8;
  filter: brightness(0) invert(1);
}

.section-padding {
  padding: 80px 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 120px 0;
  }
}

.text-center { text-align: center; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }

.text-gold { color: var(--color-secondary-container); }
.text-white { color: var(--color-on-primary); }
.text-muted { color: var(--color-outline); }

/* Utility classes for layout */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 16px; }
.gap-8 { gap: 32px; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: 32px;
  align-items: center;
  margin: 0;
  padding: 0;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  color: var(--color-primary);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  transition: color 0.2s;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-link:hover {
  color: var(--color-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Badge */
.badge {
  display: inline-block;
  background: rgba(254, 214, 91, 0.9);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(116, 92, 0, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hidden steps */
.form-step {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.form-step.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
}

.copyright a {
  color: var(--color-secondary-container);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.copyright a:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .copyright {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}

/* Differentials & Process section styles */
.differentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .differentials-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.diff-card {
  background: #ffffff;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-level-1);
}

.diff-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-secondary-container);
  box-shadow: 0 12px 30px rgba(115, 92, 0, 0.08);
}

.diff-icon {
  font-size: 28px;
  color: var(--color-secondary);
  margin-bottom: 16px;
  line-height: 1;
}

.process-section {
  border-top: 1px solid var(--color-outline-variant);
  padding-top: 60px;
  margin-top: 60px;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 576px) {
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .process-steps {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

.process-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-secondary-container);
  opacity: 0.8;
  line-height: 1;
  margin-bottom: 12px;
}

.step-content {
  padding: 0 12px;
}

/* Standard Page Hero Section */
.page-hero {
  position: relative;
  height: 45vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: 80px;
}

.page-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(4, 0, 83, 0.7), rgba(4, 0, 83, 0.4));
  z-index: -1;
}

.page-hero-content {
  color: var(--color-on-primary);
  max-width: 800px;
  padding: 0 var(--margin-mobile);
}

/* Photo Gallery Grid styling */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 768px) {
  .photo-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.gallery-item:hover {
  transform: scale(1.05);
  border-color: var(--color-secondary-container);
  z-index: 5;
}

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

/* Inline Photo Slideshow */
.slideshow-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 24px auto 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.slideshow-wrapper {
  width: 100%;
  aspect-ratio: 16/10;
  background: #02003c;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slideshow-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
}

.slideshow-wrapper img.show {
  opacity: 1;
}

/* Slideshow Navigation Buttons */
.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(4, 0, 83, 0.6);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  font-size: 20px;
  cursor: pointer;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
  user-select: none;
}

.slideshow-btn:hover {
  background: var(--color-secondary-container);
  color: var(--color-primary);
  border-color: var(--color-secondary-container);
}

.slideshow-prev {
  left: 16px;
}

.slideshow-next {
  right: 16px;
}

/* Slideshow Counter Overlay */
.slideshow-counter {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(4, 0, 83, 0.75);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 30px;
  color: var(--color-secondary-container);
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 10;
}

@media (max-width: 576px) {
  .slideshow-wrapper {
    aspect-ratio: 4/3;
  }
  .slideshow-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  .slideshow-prev {
    left: 8px;
  }
  .slideshow-next {
    right: 8px;
  }
  .slideshow-counter {
    bottom: 8px;
    right: 8px;
    font-size: 9px;
    padding: 4px 10px;
  }
}

/* Static Footer Nexus Badge */
.nexus-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(4, 0, 83, 0.4);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(197, 160, 89, 0.2);
  border-radius: 30px;
  padding: 6px 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.nexus-badge span.heart {
  color: #ff3366;
  display: inline-block;
  animation: watermark-pulse 1.5s infinite;
  transition: transform 0.2s;
}

.nexus-badge strong {
  color: var(--color-secondary-container);
  font-weight: 600;
  transition: color 0.3s;
}

.nexus-badge:hover {
  background: rgba(4, 0, 83, 0.75);
  border-color: var(--color-secondary-container);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.2);
}

.nexus-badge:hover strong {
  color: #ffffff;
}

.nexus-badge:hover span.heart {
  transform: scale(1.2);
}

/* Watermark Shimmer Effect */
.nexus-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: 0.8s;
}

.nexus-badge:hover::before {
  left: 150%;
}

@keyframes watermark-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* FAQ Accordion Section */
.faq-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-outline-variant);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.faq-details {
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 16px 0;
  transition: all 0.3s ease;
}

.faq-details:last-of-type {
  border-bottom: none;
}

.faq-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.2s;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary:hover {
  color: var(--color-secondary);
}

.faq-summary::after {
  content: '+';
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 300;
  color: var(--color-secondary);
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-details[open] .faq-summary::after {
  transform: rotate(45deg);
}

.faq-content {
  overflow: hidden;
  transition: opacity 0.4s ease, transform 0.4s ease;
  opacity: 0;
  transform: translateY(-8px);
}

.faq-details[open] .faq-content {
  opacity: 1;
  transform: translateY(0);
}

.faq-content p {
  color: var(--color-outline);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  padding-top: 8px;
  padding-bottom: 16px;
}